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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519127  Abies concolor F. C. Vasek 1977-11-25 771125 -11 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Look Out. Comment
  SD132534  Abies concolor F. C. Vasek 1977-11-25 771125 1 Riverside San Jacinto Mountains, area below Boulder Basin Campground, just below Black Mountain Lookout Comment
  CHSC8095  Abronia villosa Edward L. Smith 1958-3-21 469 Riverside Located 2 mi . e of Indio on hwy. U. S. 60. 0 Comment
  CSUSB1328  Abronia villosa Clifford Kishi 1972-5-14 720514 34 Riverside San Jacinto Mountains San Jacinto Mountains; 1 mile from Lake Hemet Reservoir along Herkey Canyon Road. 609 Comment
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  CAS-BOT-BC310319  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 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
  RSA278980  Abronia villosa var. aurita Barry A. Prigge, L. Martinez 1978-3-23 2430 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
Read comments
Sep 18 2008
  GMDRC7787  Abronia villosa var. villosa J. M. Andre 2015-3-6 33546 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  JOTR34400  Abronia villosa var. villosa Andre, Jim 2012-4-16 20934 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  SEINET7048020  Abronia villosa var. villosa Steven R. Hill, Kate Kramer 2001-4-27 33489 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCD159798  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  UCR196383  Abronia villosa var. villosa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1420 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR263648  Abronia villosa var. villosa David Fraker, Aaron C. Sedgwick 2012-3-22 016 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR100362  Acacia iteaphylla A. C. Sanders, Steve Morgan 1997-11-6 21588 Riverside Riverside, UCR Botanical Garden, dry W-facing slopes east of the Australian section 396 Comment
  UCR9834  Acamptopappus sphaerocephalus K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  JEPS12539  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall and W. L. Jepson May 17 1901-Jun 1 1901 1833 Riverside label heading: Journey of Jepson & Hall from Riverside to Palm Canyon (and return to Van Deventers); Van Deventers Flat Comment
Read comments
Jul 5 2010
  POM294266  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-3-29 11644 Riverside 2 miles south of Whitewater. 366 Comment
  UC1329822  Acamptopappus sphaerocephalus var. sphaerocephalus James E. Cole 1941-5-21 761 Riverside (Cottonwood Road) Dale; Joshua Tree National Monument 914 Comment
  RSA93730  Acamptopappus sphaerocephalus var. sphaerocephalus F. W. Peirson 1927-4-11 7154 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  CAS-BOT-BC260435  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  UCSB37774  Achnatherum speciosum Roos, John 1965-6-13 Riverside E of Hemet Comment
  JEPS51455  Achyronychia cooperi W. L. Jepson 1927-4-12 11666 Riverside Painted Canyon Mecca Hills 76 Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA423486  Achyronychia cooperi M. B. Dunkle 4980 Riverside Colorado Desert, east of Indio. Comment
  CAS-BOT-BC213471  Acmispon argophyllus var. argophyllus Lewis S. Rose 1935-12-23 35691 Riverside Above Deep Canyon, San Jacinto Mts., Colorado Desert 914 Comment
  SD227811  Acmispon brachycarpus Andrew C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range: Lake Skinner, SE foot of Bachelor Mtn., just N of the lake 500 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA801954  Acmispon grandiflorus var. grandiflorus LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6156 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
  RSA740629  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  UCR142193  Acourtia microcephala June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  UCR3464  Acourtia microcephala Tom Painter 1964-5-12 51264 3 Riverside Box Springs Mtns., Two Trees Canyon 445 Comment
  UCR93832  Acourtia microcephala G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  JOTR37455  Adenophyllum cooperi Hodges, Stephen, T. Green 2016-5-24 577 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  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
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  SD229250  Adenostoma fasciculatum Dick Schwenkmeyer 2012-3-26 666 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR178203  Adenostoma fasciculatum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 643 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  RSA526141  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4583 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA608236  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10070 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  CAS-BOT-BC139866  Adenostoma sparsifolium H. E. McMinn 1925-7-2 1521 Riverside [Idylwild] Idyllwild grade - San Jacinto Mts. Comment
  UC12023  Adenostoma sparsifolium Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  UCR208108  Adiantum capillus-veneris N. C. Cooper 1944-4-8 1090 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  RSA543836  Adiantum jordanii Steve Boyd, Orlando Mistretta 1991-5-22 6289 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC139098  Agrostis pallens Scott D. White; Mike Wilcox 1995-7-11 3462 Riverside Northeast Santa Ana Mountains. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  RSA593987  Ailanthus altissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 951 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR162619  Alchemilla occidentalis Abby Sirulnik 2003-4-1 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Lopez Canyon, near Lake Skinner 610 Comment
  RSA0121063  Aliciella latifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8948 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA793557  Allionia incarnata Duncan S. Bell 2012-9-13 4189 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
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  RSA639651  Allium lacunosum var. davisiae Robert F. Thorne 1973-5-23 43857 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  RSA645329  Allium munzii Steve Boyd, Ian Gillespie 2000-4-15 10302 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W. 463 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
  UCR94487  Allium munzii Steve Boyd 1982-4-17 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  UCR218070  Allium peninsulare Steve Boyd 2010-5-23 12276 Riverside Santa Ana Mountains, Elsinore Peak, fuelbreak near summit, just west of communications towers. 1073 Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  RSA680941  Allium triquetrum A. C. Sanders, T. B. Salvato 2003-4-3 25830 Riverside San Bernardino Valley/Upper Santa Ana River: Riverside, UCR campus, between East Campus Drive and Parking Lot 10 335 Comment
  RSA678942  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR261368  Allophyllum A. C. Sanders, Katie Young, John Hale 2015-4-22 41612 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  CHSC109243  Allophyllum divaricatum Scott D. White; Justin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. T5S, 6S R3E S33,4. 1396 Comment
  JEPS69413  Allophyllum gilioides subsp. violaceum W. L. Jepson 1901-5-24 1416 Riverside Santa Rosa Mts., Van Deventer Flat 1432 Comment
Read comments
Aug 12 2013
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  UCR243180  Allophyllum glutinosum A. C. Sanders 2013-7-6 40840 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR178831  Alnus rhombifolia Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 525 A Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 1159 Comment
  SD146067  Alternanthera philoxeroides J. Zamora 1999-9-29 11537 UC Riverside Santa Ana River under the northwest end of the Market Street bridge. 244 Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  UCR6069  Althaea rosea Jeanne E. Barnhill 1966-4-30 s.n. Riverside Riverside [downtown area], NW corner of intersection of 1st (First) Street and Mulberry, 20 yards from intersection. 262 Comment
  UCR207464  Amaranthus albus O. F. Clarke 2004-6-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR174250  Amaranthus blitoides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32496 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
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  CAS-BOT-BC540846  Amaranthus fimbriatus Sarah J. De Groot; Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains SSW of Palm Desert. Hillside along Dunn Rd, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  RSA702047  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside Roadside, intersection of Soboba Road and Castile Canyon Rd. 509 Comment
  UCR271682  Amaranthus palmeri Mitch Provance 2011-7-4 17178 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
  UCR272196  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA0086783  Ambrosia acanthicarpa R. G. Swinney 1967-5-26 14064 Riverside White Water Bench. 305 Comment
  CAS-BOT-BC22605  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -332 Riverside Joshua Tree National Monument: about 4 mi S of Entrance to Cottonwood Springs Campground Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  JOTR31877  Ambrosia dumosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2131 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  POM14015  Ambrosia dumosa Philip A. Munz, D. D. Keck 1922-4-13 4934 Riverside Eagle Mountains 274 Comment
  RSA766671  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 168 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  UCR75095  Ambrosia dumosa A. C. Sanders, E. Lawlor 1992-4-4 12092 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SDSU13506  Ambrosia psilostachya W. Miller with C. Mosse 1972-7-13 Riverside west of M.W.D. Station. Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  CAS-BOT-BC273003  Ambrosia salsola Roxana S. Ferris 1918-6-17 1001 Riverside 5 miles east of Gruendikes Well, on Mecca - Blythe Rd. Comment
  CAS-BOT-BC273020  Ambrosia salsola Marian L. Campbell 1921-3-19 74 Riverside Palm Springs Comment
  RSA522282  Amelanchier pallida Steve D. Boyd, C. Boyd, K. A. Boyd 1989-5-13 3592 Riverside Upper Bautista Cyn. just below turnoff to Tripp Flat Ranger Station, foothills of San Jacinto Mtns. Comment
  JEPS45139 Image available Amelanchier utahensis F. W. Peirson 1922-5-20 3057 Riverside Hemet Valley; San Jacinto Mts. 1371 Comment
  UC12059 Image available Amelanchier utahensis H. M. Hall May 1899 Riverside e end Thomas Valley; San Jacinto Mountains 1517 Comment
  CAS-BOT-BC180628  Amorpha californica var. californica Philip A. Munz 1938-8-14 15375 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  RSA0089991  Amsinckia douglasiana Severauce 1926-2-20 s.n. Riverside Murray Canyon. Comment
  SEINET7073310  Amsinckia eastwoodiae A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  HSC79046  Amsinckia intermedia A. C. Sanders 1985-3-1 5389 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  SDSU18969  Amsinckia intermedia C. Matt Guilliams 2008-2-21 462 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR228844  Amsinckia intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38787 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
  UCR117647  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UC480653  Amsinckia menziesii var. menziesii Philip A. Munz 1927-5-20 10795 Riverside Murietta Hot Springs Comment
  UCR93051  Amsinckia menziesii var. menziesii Steve Boyd 1986-4-2 1617 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA772408  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4857 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
  RSA0094197  Amsonia tomentosa Jim M. Andre 2012-4-11 20796 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  RSA761268  Angelica Shawn Krosnick, Lucinda A. McDade, Naomi Fraga 2010-8-14 668 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  UCR71982  Antirrhinum coulterianum Steve Morgan, H. M. Soldan 1992-5-25 92 5 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  RSA0120316  Antirrhinum filipes Duncan S. Bell, Thomas Stoughton 2016-3-16 8955 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  RSA495454  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2982 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA515311  Antirrhinum nuttallianum subsp. nuttallianum 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
  UC22885  Apocynum androsaemifolium H. M. Hall August, 1901 2595 Riverside vicinity of Tamarack Valley Tamarack Valley; San Jacinto Mts. 2560 Comment
  UC64597  Apocynum cannabinum H. M. Hall 1901-6 Riverside vicinity of Strawberry Valley San Jacinto Mts., Strawberry Valley 1584 Comment
  UC878883  Apocynum cannabinum C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill (Mt. San Jacinto); Mt. San Jacinto Comment
  RSA0128857  Arabis sparsiflora Scott D. White, Justin M. Wood 2009-5-21 12835 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR96264  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA629131  Arctostaphylos Jon E. Keeley 1992-7-17 16766 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629136  Arctostaphylos Jon E. Keeley 1992-7-16 16574 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629378  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15090 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCSB26205  Arctostaphylos glandulosa subsp. adamsii Gliessman, Stephen 1968-7-17 Riverside 50 yards west of Little Thomas Mountain Road, 3.9 miles north of junction with Highway 74, Little Thomas Mountain 1554 Comment
  POM367315  Arctostaphylos glauca N. C. Cooper 1943-9-11 899 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  RSA631743  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16500 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631781  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19276 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631786  Arctostaphylos glauca Jon E. Keeley 1992-7-17 16731 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA631798  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19571 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  RSA631828  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16512 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  UC1506090  Arctostaphylos glauca R. T. Clausen 1963-4-21 63056 Riverside summit of ridge between Weber Valley and Reed Valley; Transverse Ranges Comment
  UCR100168  Arctostaphylos glauca Scott D. White 1992-12-16 988 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR273498  Arctostaphylos glauca A. C. Sanders, Glen Morrison 2016-8-4 42599 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  POM310591  Arctostaphylos glauca var. glauca G. Mansfield-Jones 1956-04 s.n. Riverside Joshua Tree National Monument along road to Juniper Flats 1463 Comment
  RSA633537  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22670 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633549  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21782 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633633  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22655 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633635  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20158 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633707  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633740  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC44332  Arctostaphylos pringlei subsp. drupacea E. A. McGregor 1941-6-12 8 Riverside Idyllwild, San Gabriel Mountains Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  RSA82949  Arctostaphylos pringlei subsp. drupacea R. M. Straw 1953-6-5 449 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  UCSB24856  Arctostaphylos pringlei subsp. drupacea Taylor, D. 1966-5-14 Riverside 20 miles south of Highway 10 on County Route 1, San Jacinto Mtns. 1219 Comment
  SEINET11977832  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-1 821 Riverside Idyllwild, Strawberry Valley 168 Comment
  LA42246  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  RSA635777  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16726 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  SEINET7267028  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside San Jacinto Mts., 0.5 mile south of Vista Grande Ranger Station. 1494 Comment
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  RSA636012  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18805 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR209400  Arctostaphylos rainbowensis Fred M. Roberts, Robt. L. Allen 2008-2-23 6709 Riverside Santa Ana Mountains, Rancho California, vicinity of Santa Rosa Plateau, Rancho California Road c. 2.2 km by road east Jefferson Ave. in Temecula 419 Comment
  UCR273481  Arctostaphylos rainbowensis A. C. Sanders, Glen Morrison 2016-8-4 42619 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  CAS-BOT-BC401679  Argemone munita subsp. munita Gerald B. Ownbey; Findley Ownbey 1954-8-7 2178 b Riverside 13.2 miles s.e. of Idyllwild, Hemet Valley 1371 Comment
  CAS-BOT-BC401707  Argemone munita subsp. munita Ynez Whilton Winblad 1937-4-3 s.n. Riverside Between Beaumont and Riverside Comment
  CAS-BOT-BC207118  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC137645  Aristida adscensionis John Thomas Howell 1928-1-31 3318 Riverside East side of Pinto Basin, Colorado Desert. Comment
  RSA778404  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-5 63 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  UC574007  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCD56426  Aristida adscensionis D. C. Finfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  UCR148307  Aristida adscensionis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM1093  Aristida adscensionis var. modesta I. M. Johnston 1918-4-27 1861 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UCD169369  Aristida californica A. C. Sanders; T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing. 114 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  UCR111514  Aristida divaricata A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  SEINET14214762  Aristida purpurea J. C. Roos 1965-8-15 Riverside Gilman Hot Springs, San Jacinto Valley Comment
  UCSB45623  Aristida purpurea Roos, John; Roos, Lucille 1950-10-21 Riverside Wonderland of Rocks, Little San Bernardino Mtns 1219 Comment
  UCR26239  Aristida purpurea var. parishii John C. Roos 1948-5-15 3840 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  RSA0027479  Aristida purpurea var. purpurea Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 60 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UC2015543  Artemisia californica A. C. Sanders with P. MacKay, G. MacKay, A. Knapp and C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella VAlley, Mission Canyon, 1.75 mies above highway 62. Comment
  IRVC491  Artemisia douglasiana R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  UC892321  Artemisia douglasiana I. W. Clokey and E. G. Anderson 1935-8-21 6984 Riverside w of Keen Camp P. O. 1360 Comment
  UCR106908  Artemisia dracunculus D. L. Banks, L. Raz 1996-11-5 1170 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  SEINET269257  Artemisia ludoviciana M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  UCR215449  Artemisia ludoviciana subsp. albula Tasha La Doux, Jim Andre 2008-9-16 335 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  JOTR32844  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  JOTR29449  Asclepias albicans La Doux, Tasha, Mike Bell 2006-3-8 1347 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  RSA0104759  Asclepias californica Scott D. White, Justin M. Wood 2009-5-22 12894 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SEINET10580750  Asclepias californica subsp. californica F. A. Thackery 1928-5-22 Thackery 478 Riverside Banning Heights 715 Comment
  UCR20538  Asclepias eriocarpa W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  SEINET3081707 Image available Asclepias erosa E. R. Blakley 1961-9-12 4706 Riverside 20 miles west of Blythe at Desert wash crossing of US Highway 60-70. 107 Comment
  SDSU13501  Asclepias fascicularis W. Miller with C. Mosse 1972-7-20 Riverside West of R.C. Weather Station. Comment
  RSA692198  Asclepias subulata Scott D. White, Michael Honer 2003-5-14 9299 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  RSA778425  Asclepias subulata Stephanie Rockwood, Christi Gabriel 2011-10-12 88 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  HSC86951  Asparagus asparagoides B. G. Pitzer, E. Misquez 1988-2-28 636 Riverside Walker Basin, SW of Murrieta, Avenida Del Oro, 2 mi. S of Rancho California Road 428 Comment
  UCR241796  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place 258 Comment
  RSA85574  Aspidotis californica J. C. Roos 1952-4-9 5499 Riverside north side of Mt. Rubidoux 381 Comment
  UCR147805  Asplenium vespertinum Steve Boyd, Aydee Virgen 2004-4-13 10896 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  SEINET3004985  Astragalus acutirostris G. Rink, M. Baker 2011-4-1 10412 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  CAS-BOT-BC177468  Astragalus aridus Ira L. Wiggins 1938-3-19 8901 A Riverside Colorado Desert 25 miles west of Blythe Comment
  LA204889  Astragalus crotalariae Louis Wheeler; 1931-11-27 385 Riverside 3 mi. SE Salton BM [Bench Mark] -70 Comment
  UCSB45527  Astragalus didymocarpus Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  CAS-BOT-BC182583  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Comment
  CLARK-A1045-708  Astragalus douglasii George K. Helmkamp 1977-5-28 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  CAS-BOT-BC187099  Astragalus lentiginosus var. borreganus S. B. Parish; W. F. Parish 1882-4-1 25 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  SD6087  Astragalus lentiginosus var. coachellae unknown Mar 1914 Riverside Palm Springs Comment
  UC1077127  Astragalus lentiginosus var. coachellae Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR33614  Astragalus lentiginosus var. variabilis Sears 1978-4-12 1173 Riverside Sonoran (Colorado) Desert, 5 mi northeast of Desert Center on road to Rice 165 Comment
  SD67902  Astragalus leucolobus Reid Moran 1968-8-3 15361 Riverside Ridge 1 mile NW of Toro Peak, on bare north slope 2250 Comment
  UCR277105  Astragalus pachypus var. jaegeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3770 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  JEPS54841  Astragalus palmeri Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon); , w of Indio 304 Comment
  UC1128880  Astragalus palmeri H. S. Yates 1937-3-24 6468 Riverside s Pinyon Flat; Thermal Quad., s of Pinyon Flat Comment
  JOTR01062  Astragalus palmeri Cole, James E. 1941-4-8 502 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1219 Comment
  CAS-BOT-BC192823  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA415654  Astragalus pomonensis N. C. Cooper 1949-3-18 3165 Riverside Elsinore. 457 Comment
  RSA415664  Astragalus pomonensis Ora M. Clark 1929-3-2 1613 Riverside Near Murrieta. Comment
  RSA596769  Astragalus pomonensis D. L. Banks, K. D. Hedge 1996-5-16 1033 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, E of the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  UCR241788  Astragalus pomonensis A. C. Sanders, Dave King 2013-4-10 40787 Riverside Peninsular Range; Perris-Aguanga Basin, old quarry site north of Sun City, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Byers/Wheat Rd., SSE of Perris 446 Comment
  POM9086  Astragalus pomonensis P. A. Munz, R. D. Harwood 1920-2-28 3253 Riverside 3 miles west of Corona. 305 Comment
  RSA0121450  Astragalus tricarinatus Duncan S. Bell, LeRoy Gross 2016-3-30 9129 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.5 air miles southeast of the summit of Martinez Mountain. 581 Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  POM1738  Astragalus trichopodus var. lonchus L. T. Street 1917-5-15 s.n Riverside Elsinore. Comment
  SEINET4073000  Athysanus pusillus O. M. Clark 1929-1 1945 Riverside South Hemet, southern California. Comment
  UCR19096  Athysanus pusillus John C. Roos 1967-2-25 s.n. Riverside Box Springs Mtns, Sunymead, Pigeon Pass Comment
  UCR241826  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-5 40779 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  CAS-BOT-BC98818  Atrichoseris platyphylla F. O. Ballou 1926-2-26 s.n. Riverside Painted Canyon [Canon] Comment
  UCR59478  Atriplex argentea subsp. expansa Ed LaRue 1989-9-22 s.n. Riverside Perris area: just north of intersection of Nuevo Rd and Foothill Ave 457 Comment
  UCR121198  Atriplex argentea var. mohavensis D. E. Bramlet 1989-7-5 1933 Riverside Diamond Valley, just W [NW] of Gateway Farms, 50-1,000 ft. south of Newport Road, and 13,500 ft. (c. 2.5 mi.) west of State Street. 473 Comment
  POM278696  Atriplex canescens Grant D. Brown 1950-3-19 526 Riverside 4 miles NW of Gilman Hot Springs on hyway #79 Comment
  RSA5461  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3090648 Image available Atriplex canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  RSA594530  Atriplex canescens subsp. canescens D. L. Banks, Rashmi Pant 1996-5-13 1010 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a xeric, arkose ridge, approximately 100 m E of the Dripping Springs Guard Station, just S of Hwy. 500 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  OBI60302  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-1 Riverside Comment
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Dec 9 2014
  UCR66969  Atriplex coronata var. notatior D. E. Bramlet 1990-7-25 2060 Riverside c. 1760 m west of Nuevo, & c. 260 m NE of intersection of Nuevo Rd. and Pico Ave., in uncultivated part of an agricultural field. 473 Comment
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  UCR121793  Atriplex davidsonii A. C. Sanders, Carolyn Washburn 2001-4-17 24039 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  CAS-BOT-BC170252  Atriplex hymenelytra J. Beley 1974-2-21 73 -641 Riverside 1/2 mi. NE of tip of Coxcomb Mt. Comment
  UC1922264  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert: Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and East of the Coachella Canal. Comment
  RSA696717  Atriplex lentiformis J. R. Bruff 1927-10-8 1 -C Riverside Thousand Palms. Comment
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  RSA289850  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-9-17 4057 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  UC65009  Atriplex polycarpa E. E. Schellenger 1904-10-16 34 Riverside Palm Springs , Palm Springs (s Colorado Desert) Comment
  POM248433  Atriplex semibaccata Philip Crow 1939-7-9 s.n. Riverside Blythe. Comment
  SD211580  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameria and Oleander Streets. (Perris, Sunnymead) 445 Comment
  UCR110401  Atriplex suberecta A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23184 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UCR114340  Atriplex triangularis Mitch Provance, S. D. Boyd 1999-9-14 1781 Riverside Riverside, Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR2185  Avena barbata F. M. Reed 1903-12-10 418 Riverside Riverside, Iowa Ave. near (Urquhart?) Ranch 305 Comment
  RSA0067890  Avena barbata Starr Streight 1982-4-17 20 Riverside Cajalco Road, 0.7 miles east of I-15; South of Corona. Comment
  CLARK-A1528-2174  Baccharis brachyphylla John C. Roos 1963-10-19 Riverside Whitewater Wash 579 Comment
  CLARK-A1528-1625  Baccharis emoryi John C. Roos 1937-9-12 Riverside Santa Ana River Comment
  RSA575918  Baccharis emoryi Steve Boyd 1994-10-14 8377 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  RSA652566  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. of Elsinore Comment
  CAS-BOT-BC106738  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  CLARK-A1528-7788  Baccharis salicifolia John C. Roos 1947-3-15 3331 Riverside Dos Palmas Spring Comment
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Oct 23 2015
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  JOTR35920  Baccharis sergiloides De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6868 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  RSA5607  Baccharis sergiloides C. B. Wolf 1932-10-12 4298 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  CAS-BOT-BC295888  Bahiopsis parishii John Thomas Howell 1927-8-1 2882 Riverside Near T Cross K Ranch, n. Colorado Desert 609 Comment
  CAS-BOT-BC295893  Bahiopsis parishii Javier Penalosa 1963-4-11 2807 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  UC69035  Baileya pauciradiata H. M. Hall 1905-4-1 5911 Riverside near Paloverde; Colorado Desert 91 Comment
  UCR108733  Baileya pauciradiata Scott D. White, Pam DeVries 1998-2-9 6073 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCSB10340  Baileya pauciradiata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  PASA2184  Baileya pauciradiata Florence Brubaker Riverside Colorado Desert Comment
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Mar 23 2019
  RSA652575  Bebbia juncea David B. Dunn 1947-7-12 2962 Riverside Pushawalla canyon in the Indio Hills, below the Palms Comment
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SBBG133352  Bebbia juncea S. D. White, A. Carey 2004-7-2 10563 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  CAS-BOT-BC100140  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  UC1130363  Bernardia incana A. E. Wieslander 1938-5-5 742 Riverside 1 mi. s. Black Hill; Thermal Quad. 975 Comment
  UCD170877  Bernardia incana A. C. Sanders; G. Helmkamp, P. MacKay, et al 1995-3-19 16177 Riverside Coachella Valley/San Jacinto Mtns. foothills: Chino Canyon near the Palm Springs tram station. 795 Comment
  GMDRC5192  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2565 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  OBI29856  Bernardia myricifolia Melissa Luckow, Rhonda Riggins 1982-4-15 818 Riverside Pinyon Pass Rd, 0.1 mi NW of hwy 74 1006 Comment
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Jul 15 2012
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  CAS-BOT-BC478937  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, terrace escarpment W side of Indian Wash, S of I-15 Comment
  UCD114305  Boechera arcuata Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside Along fire rd S of S end Marion Ridge Rd., Pine Cove, NW of Idyllwild, San Jacinto Mts. 1938 Comment
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Dec 25 2013
  CAS-BOT-BC16090  Boechera californica H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Near Tahquitz. 2286 Comment
  RSA0123695  Boechera perennans Duncan S. Bell, LeRoy Gross 2016-3-30 9163 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
  UC667362  Boechera pulchra Annie M. Alexander and Louise Kellogg 1941-5-19 2201 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert 975 Comment
  RSA0120134  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9083 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA781887  Boerhavia coulteri Duncan S. Bell 2011-10-22 3004 B Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  CAS-BOT-BC434536  Boerhavia triquetra J. Von Loh 1977-10-30 2051 Riverside Ford Dry Lake Comment
  JOTR32409  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  CAS-BOT-BC434550  Boerhavia wrightii Marcus E. Jones 1929-9-16 s.n. Riverside Hayfields, Near Desert Center Comment
  UCR43367  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-23 53603 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pinto Basin Road: along Road, 4.5 mi south of meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR114307  Bolboschoenus glaucus Julie A. Greene 1993-4-3 1106 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  SEINET3920224  Bouteloua aristidoides N. Duane Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10.; 0 Comment
  UCD159781  Bouteloua aristidoides var. aristidoides Duncan S. Bell; K. Clark, B. Ellis, P. McKay et al. 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA517242  Bouteloua barbata T. S. Elias 1986-2-18 1329 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Highway 195. Comment
  UCR2191  Bouteloua barbata S. B. Parish 1902-6-28 8102 Riverside Sonoran (Colorado) Desert, Salton Basin, Mecca -58 Comment
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  RSA0087454  Bouteloua barbata var. barbata Sarah J. De Groot, Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UCR265475  Bouteloua barbata var. barbata Jordan Zylstra 2014-8-17 14029 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR107733  Bouteloua curtipendula John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  CAS-BOT-BC520380  Brachypodium distachyon Steve Boyd 2011-3-30 12306 Riverside Coastal plains and basins; San Bernardino basin region: City of Riverside, residential lot at NW corner of Beechwood Place (4131) and Brockton Ave. 256 Comment
  JOTR35013  Brandegea bigelovii La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3112 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  POM182065  Brandegea bigelovii P. A. Munz 1932-3-14 11981 Riverside Deep Canyon, Coachella Valley 91 Comment
  RSA777776  Brandegea bigelovii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 760 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA784727  Brandegea bigelovii Duncan S. Bell 2012-3-18 3194 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG80750  Brandegea bigelovii D. Keil 1976-12-12 11921 Riverside Interstate 10, 37 mi E of Chiriaco Summit Comment
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Mar 26 2011
  UC635681  Brandegea bigelovii H. L. Mason 1928-3-10 4213 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM312158  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside San Jacinto Mountain. West side. 1372 Comment
  UCR211714  Brassica kaber Fred M. Roberts, D. E. Bramlet, Kerry Byrne 2006-4-20 6320 Riverside Perris Basin, Upper Salt Creek watershed, southwest of Hemet, 2 km southeast of Winchester, south of Domenigoni Parkway 448 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  RSA777333  Brassica tournefortii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 830 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  RSA779636  Brassica tournefortii Duncan S. Bell 2010-4-1 669 Riverside Arica Mountains: west side of Rice Valley, about 1.2 air miles east of the Atchison, Topeka, and Santa Fe railway line, approximately 4.2 air miles east of Priest Well, and approximately 4.3 air miles southeast of the ghost town of Rice. 208 Comment
  SEINET4116784  Brassica tournefortii J. Gibson 2008-1 sn Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Avenue, about 100 yards south of Grape Arbor Avenue. 34 Comment
  POM351103  Brickellia arguta Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA1372  Brickellia arguta C. B. Wolf 1930-5-4 831 Riverside Morongo Pass Comment
  POM13296  Brickellia californica E. C. Jaeger 1921-10-9 119 Riverside Tacquitz Canyon, Palm Springs. Comment
  UC76424  Brickellia californica Miss M. Alice King 1893-1 Riverside Menifee Comment
  RSA89894  Brickellia desertorum J. C. Roos, L. Roos 1950-10-28 5020 Riverside N base Mt. Russell, 1 mi SE of Moreno. 550 Comment
  UCR209329  Brickellia desertorum Fred M. Roberts, R. L. Allen, Sandra L. Leatherman 2009-10-2 7165 Riverside Santa Ana Mountains, ridge between Mabey and Tin Mine Canyons, 4.2 km by road above Forest Service gate, 2.9 km southeast of Sierra Peak 709 Comment
  JOTR32320  Brickellia incana Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA92586  Brodiaea filifolia J. C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris. Comment
  UCR191211  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-22 934 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau: Avenaloca Mesa; north side of Avocado Mesa Road at La Cuesta Road 750 Comment
  SEINET238913 Image available Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside: open fields at NE edge of UCR campus E and A & I dorms and S of Watkins Dr. (Riverside East 7.5' Q.) 335 Comment
  CAS-BOT-BC149439  Bromus berteroanus S. B. Parish 1907-4-18 6140 Riverside Western edge of the Colorado Desert. West Canon [Canyon], Palm Springs. 200 Comment
  LA13864  Bromus berteroanus F. M. Reed; 1909-4-7 1274 Riverside Box Spring Mountains Comment
  RSA781209  Bromus berteroanus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37709 Riverside Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  UCR263484  Bromus berteroanus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41451 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  SEINET14401098  Bromus carinatus M. G. McLeod 1971-1 467 Riverside Idyllwild Comment
  RSA450463  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 244 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR233576  Bromus diandrus A. C. Sanders, John F. Green 2012-4-12 40036 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 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
  SEINET3922492  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mts. Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2.; 0 1433 Comment
  HSC101173  Bromus madritensis subsp. rubens Jim Andre 2012-3-19 21395 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  SEINET3923278  Bromus rubens Lydia Paneri 1982-4-17 53 Riverside Hillside north of Cajalco Road, 2 miles east of I-15. Hillside waste area.; 0 Comment
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR147665  Bromus rubens Steve Boyd, Aydee Virgen 2004-4-13 10864 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA179513  Bromus rubens E. W. Lathrop 1960-5-10 5353 Riverside 10 miles W of Murrieta. Comment
  SEINET10835307  Bromus rubens A. Evans 1976-4-13 Evans 5130 Riverside Desert canyons of santa rosa mtns. Comment
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 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
  UC1979866  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 879 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  JOTR30670  Bromus trinii Andre, Jim, Tasha La Doux 2008-3-21 8832 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  RSA543777  Calandrinia ciliata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6024 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  UCD132908  Calocedrus decurrens K. M. Meyer; A. Townesmith, T. Scott 2007-3-16 16 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR262257  Calochortus concolor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3728 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA369048  Calochortus invenustus Anstruther Davidson s.n. Riverside Mt. San Jacinto. 2134 Comment
  RSA285891  Calochortus splendens D. C. Michener 1982-6-8 4052 Riverside San Jacinto Mts. Slopes on northeast side of Garner Valley immediatly adjacent to valley floor just northwest of jct. of Morris Ranch Road & Ca. 74. Comment
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May 26 2014
  UC75772  Calochortus splendens Miss M. Alice King May 1893 Riverside Menifee Comment
  UCR183010  Calochortus splendens Mitch Provance 2003-5-5 4427 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  UCR834  Calochortus splendens J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR128310  Calochortus weedii var. intermedius Scott D. White, Michael Honer 2003-6-17 9548 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  RSA777335  Calycoseris wrightii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 832 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  UCR84603  Calyptridium monandrum Scott D. White 1994-4-21 1952 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0051250  Calystegia macrostegia subsp. longiloba Paul McLaughlin 1976-4-7 0407761 Riverside Box Springs Mountains one mile west of Box Springs Mt. Road along County Park trail. 822 Comment
  RSA509555  Calystegia macrostegia subsp. macrostegia 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
  UCR91678  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 Riverside Peninsular Range, Palomar Range, Agua Tibia Wilderness Area, at NE [SE?] base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near its gabbro peak known as 'Agua 762 Comment
  SEINET7072845  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR120960  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23879 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR93843  Camissonia bistorta Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  CSUSB754  Camissonia boothii D. T. Wright 1966-3-5 Riverside 2 miles south of Palm Desert, at mouth of Deep Canyon. Comment
  RSA680555  Camissonia boothii subsp. condensata Scott D. White, Michael Honer 2003-4-30 9134 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR216495  Camissonia brevipes subsp. brevipes Jim Andre, T. La Doux 2009-3-10 11242 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  SD3347  Camissonia campestris subsp. campestris Ruth Randall 1922-4-9 219 Riverside Coachella; Painted Canyon. Comment
  RSA777404  Camissonia cardiophylla subsp. cardiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 837 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA145195  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1959-1-17 58 -16 (17) Riverside 20 miles west of Blythe. Comment
  UCR216199  Camissonia claviformis subsp. aurantiaca Jim Andre, T. La Doux 2009-2-28 10838 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  SDSU3357  Camissonia confusa H. Wedberg 1958-5-18 307 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  POM9307  Camissonia ignota P. A. Munz, Harwood 1920-3-30 3380 Riverside 5 mi. So. of Corona. 305 Comment
  RSA597080  Camissonia intermedia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1118 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  UCR281241  Camissonia intermedia Mitch Provance, Jeremiah George 2017-3-21 317- 61 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  RSA710937  Camissonia pallida A. C. Sanders, K. C. Rose 1995-4-5 16368 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: Coachella Valley; south of Mission Creek and west of Hwy 62. 518 Comment
  RSA186575  Camissonia pallida subsp. pallida Peter H. Raven 1962-4-7 17116 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument. Comment
  RSA144620  Camissonia refracta William M. Klein, David P. Gregory 1958-2-14 153 Riverside Corn Spgs., Chuckwalla Mtns. Comment
  POM173309  Camissonia strigulosa Marcus E. Jones 1926-1-11 s.n. Riverside Palm Canyon. Comment
  UC50469  Camissoniopsis bistorta H. M. Hall Apr. 1903 3723 Riverside Vicinity of Riverside 396 Comment
  UCD103412  Camissoniopsis bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  SD134430  Camissoniopsis confusa Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  UCR241013  Camissoniopsis confusa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1213 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
  UC20636  Camissoniopsis ignota unknown 1861-2-1 151 Riverside Temescal Mountains Comment
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Jul 4 2010
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 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
  RSA263763  Cardamine californica var. integrifolia E. W. Lathrop 7482 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  UCR193880  Carex A. C. Sanders 2008-7-25 35883 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR266331  Carex D. E. Bramlet 1990-6-21 2045 Riverside Peninsular Range, Vail Lake, Butterfield Campground 473 Comment
  CAS-BOT-BC18449  Carex abrupta F. M. Reed 1908-7-11 s.n. Riverside East slope of San Jacinto Peak. 2926 Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  RSA41335  Carex douglasii J. C. Roos 1943-10-16 2739 Riverside Little San Bernardino Mountains. 1372 Comment
  CAS-BOT-BC117866  Carex sartwelliana C. Epling; Wm. Robison 1935-6-30 s.n. Riverside N. Fork San Jacinto River. Comment
  CAS-BOT-BC117872  Carex sartwelliana P. M. Kamb 1948-7-3 1144 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  POM1518  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta. 305 Comment
  UCR40555  Carex schottii Steve Boyd 1985-7-23 1024 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  RSA621504  Carex spissa Darin L. Banks 1997-11-15 2197 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UCR150971  Carex triquetra D. L. Banks 1997-2-23 1318 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  SEINET3386517 Image available Carrichtera annua Fred M. Roberts 2007-1 6512 Riverside Southern Coast: Carlsbad, La Costa Greens Ecological Reserve, east side of El Camino Real c. 2 Km south of Palomar Airport Rd. 52 Comment
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Nov 20 2014
  SD178220  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 334 Comment
  CAS-BOT-BC353428  Castela emoryi Marcus E. Jones 1929-9-16 24964 Riverside Near Desert Center Comment
  UCR58883  Castela emoryi J. M. Stewart 1989-10-17 613 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 2.5 mi. west of Wiley's Well Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  UCR122546  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-5-20 6677 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  SD79836  Castilleja applegatei subsp. martinii Helen V. Witham 1970-4-29 812 Riverside one mile west of L. Hemet, Palms-to-Pines Hwy. 1200 Comment
  RSA0010936  Castilleja exserta subsp. exserta Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  HSC20513  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 mi. NE of Temecula Comment
  JEPS3913  Castilleja foliolosa W. L. Jepson 1939-4-19 19215 Riverside w of Aguanga; Dripping Spring 396 Comment
  RSA400576  Castilleja foliolosa N. R. Zabriskie, Walter M. Zabriskie 1971-4-9 383 Riverside West of water service road 2 mi. so. of Hwy. 74, Deep Canyon watershed, north slope Santa Rosa Mountains. Comment
  SD133002  Castilleja foliolosa Scott White 1991-5-13 91 94 Riverside Hwy 79, immediately W of U.S. Forest Service campground at Dripping Springs 548 Comment
  UCR178005  Castilleja foliolosa S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR91591  Castilleja foliolosa D. L. Banks 1995-4-11 0181 Riverside Agua Tibia Mtns. Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, along the Dripping Springs Trail. 780 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  POM250367  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs. Comment
  RSA0010956  Castilleja miniata subsp. miniata L. Crutcher 1933-8-22 5 Riverside Summit of Tahquitz Peak, San Jacinto Mts. Comment
  RSA612302  Castilleja stenantha Louis C. Wheeler 1932-7-9 934 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR27051  Caulanthus simulans L. F. LaPre, E. B. Ellis 1982-4-24 s.n. Riverside Santa Rosa mtns, Pinyon Flat, along road to the dump 1220 Comment
  SD229235  Ceanothus cordulatus Dick Schwenkmeyer 2012-9-18 833 Riverside Skunk Cabagge Meadow, 3 mi. (via trail) east od Humber Park, Idyllwild. 2432 Comment
  RSA398900  Ceanothus crassifolius H. M. Hall 1897-4-10 356 Riverside Winchester Comment
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Mar 12 2011
  RSA543205  Ceanothus crassifolius Steve Boyd 1991-3-17 5480 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1071019  Ceanothus crassifolius R. St. John 1930-4-14 113 Riverside w Paloma Valley (plot No. 46); San Jacinto quad 487 Comment
  SBBG50799  Ceanothus cuneatus var. cuneatus R. S. Woglum 1942-4-15 Riverside Aguanga Comment
  SD229236  Ceanothus cuneatus var. cuneatus Dick Schwenkmeyer 2012-3-26 679 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  RSA500224  Ceanothus greggii var. perplexans Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3252 Riverside San Jacinto Mountains. Pinyon Flats-Ribbonwood area north of Hwy 74, near area of white rock outcrops. Comment
  RSA16499  Ceanothus oliganthus Percy C. Everett 1935-6-18 7208 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  UCR5996  Ceanothus spinosus David M. Peterson 1966-3-9 660309- 12 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  UCR143352  Centaurium venustum N. C. Cooper 1944-7-15 1585 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  RSA707580  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  JOTR34133  Centrostegia thurberi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21101 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  UCR63956  Centrostegia thurberi Chet McGaugh 1990-7-31 s.n. Riverside Peninsular Range, SW Durasno Valley, south of town of Anza 1372 Comment
  UC1595609  Cerastium glomeratum Steve Boyd and Orlando Mistretta 1991-5-22 6288 Riverside base of Agua Tibia Mt. (Vail Lake area, e. of Dorland Mt., w. of Kolb Creek) 548 Comment
  UCR177831  Cerastium glomeratum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA637524  Cercidium floridum Scott D. White 1998-9-1 7099 Riverside East end of Coachella Valley: Bajada between Little San Bernardino Mts. and Indio Hills. Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  LA47733  Cercocarpus betuloides Elizabeth McClintock; 1936-4-11 sn Riverside Ribbonwood, Pines to Palms Highway Comment
  GMDRC2049  Cercocarpus betuloides var. betuloides J. Andre 2006-4-26 6783 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
  UC187656  Cercocarpus betuloides var. betuloides C. R. Orcutt 1890-7-23 7 Riverside San Jacinto Mountains Comment
  SD260297  Cercocarpus minutiflorus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42414 Riverside Peninsular Range: UC Emerson Oaks Resrve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  UCR207277  Cestrum O. F. Clarke 2004-4-1 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA586793  Chaenactis artemisiifolia Darin L. Banks, Steve Boyd 1995-5-3 0231 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  SBBG104630  Chaenactis carphoclinia T. Glenn 1991-4-30 91 -60 Riverside McCoy Mtns, NW of Blythe; T5S, R 20E, S19 170 Comment
  UCD130238  Chaenactis carphoclinia Robert F. Thorne 1963-3-29 32384 Riverside 9 miles east of Mecca, Mecca Hills. 152 Comment
  LA212326  Chaenactis carphoclinia Lee Haines; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  JOTR35034  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3487 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA178085  Chaenactis carphoclinia var. carphoclinia R. F. Thorne 1963-3-29 32384 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  RSA776843  Chaenactis carphoclinia var. carphoclinia Amber Swanson, Duncan S. Bell 2011-3-18 228 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  CAS-BOT-BC276918  Chaenactis fremontii F. H. Billings 1926-2-6 21 Riverside Desert near Palm Springs Comment
  POM351699  Chaenactis fremontii Ora M. Clark 1929-3-16 1710 Riverside N. of Whitewater, Colorado. Comment
  POM66583  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC1119693  Chaenactis fremontii H. S. Yates 1937-3-23 6417 Riverside near White Water; San Jacinto 304 Comment
  UC1119695  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  SEINET6808363  Chaenactis fremontii Unknown 1997-3-15 Riverside 10 miles S of Hovely; Hovely; 10 miles S of Comment
  RSA691059  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-9 8987 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
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  SEINET8734827 Image available Chaenactis glabriuscula Jean Coulson 1959-1 s.n. Riverside Box Spring Mts.; Pidgeon Pass Road, 0.6 mi. From fork to dump on E. side of road Comment
  RSA125546  Chaenactis glabriuscula var. glabriuscula R. Weatherby 1949-5-13 408 Riverside La Sierra district, Arlington 152 Comment
  RSA263694  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-6-2 6961 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA507171  Chaenactis glabriuscula var. glabriuscula Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mts, N of Castile Canyon Dr. at Poppet flat, off Hwy 243. Comment
  RSA586841  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Peter Morrell 1995-5-4 0308 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  SBBG104646  Chaenactis glabriuscula var. glabriuscula M. A. Patten 1992-5-14 92 -6 Riverside Cherry Valley, just N of Cherry Park Dr, between Mtn View Ave and Beaumont Ave Comment
  UCR280948  Chaenactis glabriuscula var. glabriuscula Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 69 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR117079  Chaenactis glabriuscula var. lanosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24202 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  RSA695676  Chaenactis stevioides J. Russell Bruff 1928-4-3 179 Riverside 13 miles W of Desert Center. Comment
  UC1595798  Chaenactis stevioides W. Wisura, J. Dolan, and M. Wall 1992-3-25 4644 Riverside 14.3 mi e Corn Spring Rd. (Chuckwalla Rd.) Comment
  UC894415  Chaenactis stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs Comment
  UCR249658  Chaenactis stevioides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7303 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM147695  Chaenactis stevioides var. stevioides Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
  SEINET13937053 Image available Chaenomeles speciosa Unknown Riverside Cultivated Comment
  RSA779928  Chamaesyce abramsiana Marc Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7 km NW of the summit of McCoy Peak, 21 km NW of Blythe, lower bajada on the east flank of the McCoy Mountains 171 Comment
  POM14016  Chamaesyce albomarginata P. A. Munz, D. D. Keck 1922-4-13 4926 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  RSA433508A  Chamaesyce polycarpa E. A. McGregor 1964-1-30 s.n. Riverside Dry bed of Lake Elsinor. Comment
  RSA517812  Chamaesyce polycarpa Steve Boyd, Orlando Mistretta 1986-3-13 s.n. Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA336187  Chamaesyce polycarpa var. polycarpa R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52044 Riverside Just E of Palm Desert. Comment
  RSA638208  Chamaesyce serpillifolia L. C. Wheeler 1965-6-27 8690 Riverside Corona: Overboltzer's Grove. Comment
  RSA741109  Chamomilla suaveolens Scott D. White, Justin M. Wood 2008-6-17 12159 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  CAS-BOT-BC66319  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside a few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  RSA495412  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2947 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA301975  Cheilanthes covillei J. R. Shevock 1970-12-13 567 Riverside Cap Rock, Joshua Tree 1371 Comment
  RSA0065476  Cheilanthes covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Highway 74, c. 2 mi. up water service road, below crossing, Santa Rosa Mountains. 1310 Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  RSA1497  Cheilanthes newberryi J. T. Howell 1929-2-14 1231 Riverside on l. side of Temescal Canyon, 3 mi. so. of Glen Ivy Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  POM97006  Cheilanthes newberryi Philip A. Munz 1926-5-2 10428 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  RSA685806  Cheilanthes parryi W. M. Zabriskie 1973-2-22 135 Riverside Pipistrelle Canyon 75 yards before it turns east, Deep Canyon drainage, N slope of Santa Rosa Mountains 549 Comment
  UCR261439  Cheilanthes parryi Joseph Cahill 2011-1-29 111- 12 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  SEINET7048179  Cheilanthes viscida Steven R. Hill 2001-5-3 33687 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
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  UCR274541  Chenopodium album Mitch Provance, Ken Halama 2003-6-15 17062 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA653504  Chenopodium album var. 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., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  UCR92249  Chenopodium botrys Scott D. White 1995-8-23 3565 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
  CHSC26386  Chenopodium californicum Cheryl Johnson 1966-4-16 131 Riverside Ca. 12 miles South of Hemet, West of Sage and North of Black Hiils and Vail Lake in Tucaloto Valley. 609 Comment
  UCR120899  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 24911 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
  UCR97286  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3938 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR272128  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  UCSB8348  Chilopsis linearis Goeschl, John 1957-4-13 Riverside Box canyon wash 5 mi. east of Mecca Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  POM10316  Chilopsis linearis subsp. arcuata Charlotte M. Wilder 1904-8-7 505 Riverside Shaver s Wells. Colorado Desert. Saligma Comment
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Jul 24 2010
  POM13252  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside Banning. Base of McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  UC2047744  Chilopsis linearis subsp. arcuata Sarah J. De Groot with Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains of Red Dome. USGS quad: Catclaw Flat 7.5' Q. Comment
  UC370345  Chilopsis linearis subsp. arcuata unknown 1928-5-20 3 Riverside Palm Springs Comment
  CAS-BOT-BC451473  Chimaphila umbellata Scott D. White 1996-8-1 4408 Riverside San Jacinto Mts., Idyllwild Area: Hwy. 243 at Deer Springs trialhead and adjacent area. 1828 Comment
  UC2031354  Chloracantha spinosa Duncan S. Bell 2013-10-29 6089 Riverside Colorado Desert, Chocolate-Chuckwalla Mountains:Hayfields Dry Lake, N of Interstate10, about 1 mile SW of the pumping station. Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  UCR249668  Chorizanthe brevicornu var. brevicornu T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7308 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  JOTR36428  Chorizanthe corrugata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3401 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
  RSA0026169  Chorizanthe corrugata Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17714 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 5 kilometers ENE of north end of Mule Mountains. Comment
  RSA0107468  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-29 156 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  UCR33682  Chorizanthe corrugata Faulkner 1978-3-30 409 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCR133333  Chorizanthe fimbriata John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR174432  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32480 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
  UCR215795  Chorizanthe leptoceras Anuja Parikh 1990-5-12 167 Riverside north of Agua Tibia Wilderness, south of Dripping Springs Campgrouns, 1.0 km south of Hwy 79, 2.8 km east of Woodchuck Road 494 Comment
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Mar 9 2014
  RSA679814  Chorizanthe parryi var. parryi LeRoy Gross, Valerie Soza 2003-5-8 834 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UC1929851  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR217511  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-9 045 Riverside Peninsular Ranges, Palomar Mountains, Agua Tibia. 1.71 km south of Hwy 79 and 0.29 km west of Dripping Springs Trail 634 Comment
  UCR266336  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-5-12 2352 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR266486  Chorizanthe polygonoides var. longispina Mitch Provance, Eric Kline 2015-3-26 315- 43 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 425 Comment
  RSA543831  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA559322  Chorizanthe procumbens Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7365 Riverside Southern Santa Ana Moutains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA607655  Chorizanthe procumbens R. S. Woglum 1938-5-1 1604 Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
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Jun 9 2012
  SD215611  Chorizanthe procumbens Steve Boyd, Orlando Mistretta 1991-5-22 6294 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek. 548 Comment
  UCR217499  Chorizanthe procumbens var. albiflora Lee A. Ripma, Jeff B. Galvin 2008-5-21 99 Riverside Palomar Mtns, Agua Tibia, west of Woodchuck Rd., east of Pechanga Indian Reservation 792 Comment
  RSA392746  Chorizanthe rigida N. R. Zabriskie, Walter Zabriskie 1973-3-23 596 Riverside 30 yds. SW of Research Center Bldgs. Deep Canyon, N slope Santa Rosa Mountains. 305 Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SD178200  Chorizanthe xanti var. leucotheca D. E. Bramlet 2003-5-28 3453 Riverside Base of San Jacinto Mtns on spoil pile. 2,226m south of Cabazon, 2,287m northwest of Cabazon Peak, and 518m northwest of the Colorado River Aqueduct. 534 Comment
  POM48595  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
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Nov 19 2011
  RSA696812  Chrysothamnus paniculatus W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  UC1184297  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-1-25 11475 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  UC1184318  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside slopes above wash; Chuckwalla Mountains, Corn Springs Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  CAS-BOT-BC160589  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  UC1184360  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside 5.5 mi se Painted Canyon turnoff; Box Canyon Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  RSA708171  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  CAS-BOT-BC438668  Cistanthe ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon [Canyon] Comment
  POM98780  Cistanthe ambigua M. French Gilman 1926-2-22 s.n. Riverside Thousand Palms Canyon. Comment
  CAS-BOT-BC438846  Cistanthe monandra F. H. Billings 1926-1-25 7 Riverside Palm Springs Comment
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR16585  Cistus incanus Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, 10 ft. from water station, 1/4 mi west of Strawberry Creek on Hwy from Hemet to Idyllwild Comment
  RSA448337  Clarkia rhomboidea N. C. Cooper 1949-6-29 4349 Riverside Pine Cove, San Jacinto Mountains. 1829 Comment
  RSA0019616  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA797352  Claytonia perfoliata subsp. perfoliata D. M. McF 1953-3-26 7 Riverside McKinley Ranch, Reed Valley. [County unsure.] 122 Comment
  UCR121664  Claytonia perfoliata subsp. perfoliata A. C. Sanders 1997-3-19 20016 Riverside Lake Skinner area, Lower Rawson Canyon at 3-way road junction (heron rookery site) c. 1 km NE of the lake 457 Comment
  UCR133404  Clematis lasiantha Tracy Tennant, J. S. Ross 1998-5-7 MOR- 85 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  SD236390  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  UCR116073  Clematis pauciflora O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  POM292737  Cleome isomeris Lyman Benson 1954-4-2 15262 . Riverside 1 mile east of Cabazon. Drainage area: Colorado Desert. 457 Comment
  UCR274069  Conium maculatum Dave Goodward 2016-7-30 716- 1 Riverside San Jacinto Mountains, Garner Valley, c. half mile east of the eastern end of Lake Hemet and c. 0.7 mi southwest of Hwy 74, headwaters of the South Fork of the San Jacinto River 1327 Comment
  RSA507496  Convolvulus arvensis L. F. LaPre, J. Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  UCR201951  Convolvulus arvensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR99568  Convolvulus arvensis Julie A. Greene, S. D. White 1993-7-5 1395 Riverside San Jacinto Valley, San Jacinto Wildlife Area, W side of dirt road. 445 Comment
  RSA407724  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow Comment
  UCD126181  Convolvulus simulans D. Bramlet 1993-3-30 2300 Riverside Siegal Ranch Road approximately 95 meters south of Cajalco Road and 976 meters east of the intersection of Cajalco Road and Sierra Ave, The site was located some 20 meters west of Siegal Ranch Road. 427 Comment
  UCR214852  Convolvulus simulans Crystal Sheehan 2010-5-10 46 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  UCR241791  Convolvulus simulans A. C. Sanders, Dave King 2013-4-10 40788 Riverside Peninsular Range; Perris-Aguanga Basin, about 2 miles south of Perris, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Geary St. 441 Comment
  RSA508338  Conyza bonariensis Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA495464  Conyza coulteri Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2993 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SD67924  Cordylanthus nevinii Reid Moran 1968-8-3 15360 Riverside North slope, ridge 1 mile W of Toro Peak 2250 Comment
  UCR227806  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 2.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 992 Comment
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  RSA770422  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4876 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UC665805  Coreopsis californica var. californica Ira L. Wiggins 1941-3-27 9706 Riverside slopes 4 mi n of Whitewater Comment
  POM356107  Corethrogyne filaginifolia Norman C. Cooper 1943-9-11 902 Riverside San Jacinto Mtns. below Idlewild. 1067 Comment
  RSA588810  Corethrogyne filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR92499  Cotula australis S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  SEINET13729337  Crassula aquatica Unknown 1969-5-15 3235 Riverside PLANTS OF CALIFORNIA Riverside Co., California; 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja lake; ca. 2 mi. E. of Tenaja Forest Station; submerged in shallow water at margin of pool with Lilaea, Isoetes, etc. ca. 2,000 ft. elev. 609 Comment
  RSA0125184  Crassula connata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8755 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SD143943  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mountains; Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 420 Comment
  UCR260882  Crassula connata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41491 Riverside San Gorgonio Pass, c. 3.8 miles east of Cabazon, north of San Gorgonio River wash, south of I-10 and generally NE of water bottling plant, west of dirt road to wind farm 439 Comment
  UCR554  Crassula connata David L. Davis 1962-4-14 18 Riverside Box Spring Mtns., on trail 0.4 miles east of east end of Blaine St., Riverside 427 Comment
  UCR182526  Cressa truxillensis Mitch Provance 2005-5-17 6573 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
  SD230228  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy. 1111, 1 km northwest of Palm Slprings (measured from the intersection with San Rafael Dr.) south of the highway. 214 Comment
  SD80026  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-12-29 333 Riverside Beside Andreas Cnyon Club entrance gate on South Palm Canyon Drive, Palm Canyon watershed, east slope of San Jacinto Mountains. 170 Comment
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Apr 17 2011
  SEINET3089965 Image available Croton californicus H. S. Gentry 1954-1 14246 Riverside NW of Aguanga along road to Sage. Comment
  UC1130371  Croton californicus H. S. Yates 1936-4-7 5430 Riverside 10 mi e Whitewater; San Jacinto Quadrangle Comment
  UC63984  Croton californicus L. D. Copeland May 1904 Riverside Palm Springs Colorado Desert Comment
  UC868658  Croton californicus Lewis S. Rose 1938-12-18 38320 Riverside Palm Springs 137 Comment
  UCR161014  Croton californicus Mark S. Brunell, M. Okada 1993-5-29 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs area, SW corner of Hwy 111 and Gene Autry Trail 104 Comment
  UCR163797  Croton californicus John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR106359  Crypsis schoenoides John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR250128  Cryptantha A. C. Sanders 2014-4-8 40990 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km SE of I-15 crossing, near mouth of Mayhew Canyon and just east of Mayhew Rd. 317 Comment
  SEINET3083658 Image available Cryptantha angustifolia Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55469 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UCR103578  Cryptantha angustifolia George K. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR104845  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2668 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR134600  Cryptantha angustifolia Marisa Sripracha, Kyle Boyd 2004-2-14 016 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  JOTR30797  Cryptantha barbigera La Doux, Tasha 2008-2-4 1818 Riverside Joshua Tree National Park. Hexie Mountains, Porcupine Wash. Near road leading to Cottonwood. 745 Comment
  RSA339706  Cryptantha barbigera R. F. Thorne, C. W. Tilforth 1980-5-28 54245 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA680923  Cryptantha barbigera Scott D. White, Michael Honer 2003-5-14 9278 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  RSA79596  Cryptantha barbigera F. W. Peirson 1928-3-10 7710 Riverside Near Hidden Spring, N of Salton Sea, Riverside County. Comment
  SD126018  Cryptantha barbigera A. C. Sanders 1988-5-11 7797 Riverside Chocolate Mountains, Iris Pass area,12 miles above the Coachella Canal in a wash east of the gasline road from Niland 550 Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UCR275514  Cryptantha barbigera D. E. Bramlet 2010-3-1 4453 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA0123285  Cryptantha barbigera var. barbigera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8998 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA777765  Cryptantha barbigera var. barbigera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1086 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR228577  Cryptantha barbigera var. barbigera Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-3-23 8060 Riverside Sonoran (Colorado) Desert, southwest flank of Palen Mtns bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well 136 Comment
  JEPS67519  Cryptantha circumscissa Marjorie D. Clary 1932-5-26 1170 Riverside Pleasant Valley Hexie Mts. Comment
  RSA49359  Cryptantha circumscissa P. A. Munz 1949-4-11 13007 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  RSA0020314  Cryptantha circumscissa D. C. Pearson, W. E. Sawyer 1982-4-24 s.n. Riverside ~1mi So. I-10. Comment
  UCR26949  Cryptantha clevelandii var. clevelandii E. W. Lathrop 1966-5-8 6413 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR252636  Cryptantha corollata T. B. Salvato, Matthew Malle 2013-4-4 7506 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR6097  Cryptantha decipiens A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 8.4 mi. NW of Palm Springs Post Office on Highway 111, 200 yards north of highway 244 Comment
  UC78484  Cryptantha dumetorum Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater, close to station Whitewater 304 Comment
  UCR18499  Cryptantha dumetorum Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  CAS-BOT-BC218763  Cryptantha holoptera A. C. Sanders; T. B. Salvato 2000-5-16 23391 Riverside Colorado Desert: Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon; where large wash crosses under powerlines. 30 Comment
  SD125582  Cryptantha holoptera Steven A. Junak 1983-3-23 1634 Riverside East side of Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio Comment
  CLARK-A1045-138  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon rocky flat by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  RSA683853  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-4 8959 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG14700  Cryptantha intermedia H. and M. Dearing 1942-2-6 4797 Riverside near Cathedral City Comment
  UC24685  Cryptantha intermedia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  SEINET12280820  Cryptantha intermedia Unknown 1936-1 12768 Riverside W of Bonning Comment
  RSA0075623  Cryptantha intermedia var. johnstonii Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  JOTR35213  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3637 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  JOTR36469  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3438 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA316876  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4794 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA777771  Cryptantha maritima Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 978 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  RSA0026119  Cryptantha micrantha J. Andre, G. Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UC857182  Cryptantha micrantha I. W. Clokey and B. C. Templeton 1930-4-9 4709 Riverside n of Palm Springs; Colorado Desert 200 Comment
  UCSB41258  Cryptantha micrantha Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  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
  SDSU20270  Cryptantha micromeres Adrienne D. Russell, Tahirch Linz & Matt Guilliams 2000-4-29 120 Riverside Santa Margarita Ecological Reserve, Temecula, insect trail, specific locality unknown, mapping project for plant taxonomy class. Comment
  SD137839  Cryptantha microstachys Darin L. Banks, Steve Boyd 1995-5-3 209 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of Dripping Springs Alcove Area along the lower benches of Arroyo Seco 500 Comment
  UCR104886  Cryptantha microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20647 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR157648  Cryptantha muricata A. C. Sanders 1994-5-29 14574 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR162877  Cryptantha muricata T. B. Salvato, Kelly Volansky 2003-3-27 125 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR279355  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-23 42950 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA0079482  Cryptantha pterocarya var. pterocarya J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  UCR37628  Cryptantha racemosa George K. Helmkamp 1984-5-2 D 14 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UC280507  Cryptantha simulans C. M. Wilder 1909-7-14 962 Riverside Strawberry Valley and trail above Strawberry Valley Comment
  UCR155297  Cucurbita foetidissima T. B. Salvato, Kent Beaman 2005-5-16 792 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  SEINET7048197  Cucurbita foetidissima Steven R. Hill, Andrew C. Sanders 2001-5-4 33706 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  JEPS46524  Cucurbita palmata W. L. Jepson 1912-10-28 5234 Riverside near Riverside Mts. (Colorado River); Colorado River 91 Comment
  RSA5153  Cucurbita palmata C. B. Wolf 1932-4-27 1474 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  CAS-BOT-BC224604  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash Comment
  RSA605744  Cyclospermum leptophyllum A. C. Sanders, G. Helmkamp 1996-3-17 17994 Riverside Coachella Valley: Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. E. of Date Palm Dr. and 2 mi. S of Ramon Rd. 91 Comment
  RSA0077467  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4km west of Aztec Well. 727 Comment
  LA204501  Cylindropuntia californica var. parkeri W. E. Pequegnat; 1939-8-18 51 Riverside Santa Ana Mountains Comment
  SEINET5624451 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  POM10152  Cylindropuntia echinocarpa P. A. Munz 1921-5-1 4487 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  UCSB24789  Cylindropuntia echinocarpa Oleson, Terry 1966-4-6 Riverside On S Palm Canyon Dr.; 1 mile south of W Palm Canyon Dr.; San Jacinto foothills 152 Comment
  UCD97951  Cylindropuntia ramosissima Lionel A. Stange 1956-4-1 s.n. Riverside Near Forty Nine Palms oasis. Comment
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Jul 1 2012
  UCR182956  Cynodon dactylon T. C. Fuller 1970-10-7 19798 Riverside Sonoran (Colorado) Desert, SE of Blythe, Palo Verde Valley 79 Comment
  RSA522318  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR65280  Cyperus erythrorhizos Steve Boyd, T. S. Ross 1989-8-28 3801 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR92680  Cyperus esculentus Scott D. White 1995-7-7 3458 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR199649  Cyperus odoratus Justin M. Wood 2008-7-16 37 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  CAS-BOT-BC114014  Cyperus rotundus Ralph Hoffman 1927-9-10 s.n. Riverside Cultivated ground near Fontana Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  UCR248427  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA336192  Dalea mollissima R. F. Thorne, Walter Wisura, Avi Shmida, R. Whittaker 1978-4-23 52043 Riverside Just E of Palm Desert. Comment
  RSA717646  Dalea mollissima Scott D. White, Pam De Vries 2006-3-14 11244 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA799253  Dalea mollissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 751 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  LA11697  Dasyochloa pulchella John Thomas Howell; 1928-1-30 3310 Riverside 2 mi. E of Shavers' Well Comment
  POM13632  Dasyochloa pulchella E. C. Jaeger 1921-3-28 1042 Riverside Redrock Canyon, 15 miles east of Mecca Comment
  POM254896  Dasyochloa pulchella P. A. Munz 1940-3-24 15704 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA592686  Dasyochloa pulchella Scott D. White, Duayne Haselfeld 1996-7-2 4270 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA381083  Datisca glomerata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61178 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR199562  Datisca glomerata Scott D. White 2004-4-26 10268 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR242716  Datura discolor A. C. Sanders, T. B. Salvato 2012-10-12 40433 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  RSA512137  Datura wrightii Ed LaRue 1989-4-20 s.n. Riverside Moreo Valley, old Riverside International Raceway, on Day Street, ca. 1/2 mi. S. of Hwy 60. Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SDSU13680  Daucus pusillus Jutta Buschbom 1991-3-6 11 Riverside SE-Slope, N-Border of reserve, beyond an avocado grove, ca. 500m (15 min.) NW from the fieldstation. Santa Margarita Ecological Reserve Comment
  SBBG104657  Deinandra fasciculata M. A. Patten 1992-5-28 92 -12 Riverside just E of Temecula, between Pauba Rd on the N and De Portola Rd on the S, W boundary of site adjacent to Butterfield State Rd 365 Comment
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Aug 24 2013
  CAS-BOT-BC292008  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  RSA192353  Delphinium cardinale H. A. Zuill 1966-6-16 221 Riverside Road to Fisherman's Camp in Tenaja Canyon about 12 miles SW of Murrieta. Comment
  UCSB1981  Delphinium parishii subsp. parishii Graney, Don 1953-3-20 Riverside one mile up White Water Canyon Comment
  UCR140299  Delphinium parryi A. C. Sanders 2004-4-9 27463 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR16744  Delphinium parryi Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  UC702865  Delphinium parryi Charles B. Fiker 1946-5-30 3494 Riverside dip s Temecula River bridge on Hwy 395 Comment
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Aug 12 2016
  SDSU13373  Delphinium parryi subsp. parryi Tarja Sagar 2000-5-20 29 Riverside SMER. 300 m ESE from Northside Field Station along interpretive trail. 323 Comment
  RSA552752  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-3-21 6738 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR16439  Dendromecon rigida Frederick Neill 1977-5-28 52803 Riverside Santa Ana Mountains, 3.25 mi up Skyline Dr. from Corona Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  UCR195138  Descurainia incana A. C. Sanders, Tim Thomas 2008-8-1 35967 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  POM369391  Descurainia pinnata subsp. glabra M. B. Dunkle 1937-3-25 4922 Riverside Colorado Desert. Shaver s Well Comment
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Dec 18 2011
  UC68539  Descurainia pinnata subsp. glabra H. M. Hall Apr 1905 5887 Riverside Chuckwalla Bench; Colorado Desert Comment
  RSA263755  Dicentra chrysantha E. W. Lathrop 1973-04 6884 Riverside 4 miles betw. Tin Mine Canyon and Santiago Peak, Skyline Drive 732 Comment
  RSA329752  Dicentra chrysantha Gary D. Wallace 1966-4-16 468 Riverside Scandia Canyon betw. Murrieta and De Luz along De Luz Cr. Santa Ana Mtns. 701 Comment
  RSA433553  Dicentra chrysantha M. M. Thompson 1947-6-19 c- 2082 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR142195  Dichelostemma capitatum June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  IRVC56  Dichelostemma capitatum subsp. capitatum Steve Gilbert 1965-4-24 HS 0100 Riverside Ortega Highway (74); Upper San Juan Creek Campground. Peninsular Ranges, Santa Ana Mountains Comment
  POM305799  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1060 Riverside Corona-Elsinore. Comment
  RSA512761  Dichelostemma capitatum subsp. capitatum Walter Wisura, Bart O Brien, Durant 1990-6-12 4442 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  SDSU21837  Dichelostemma capitatum subsp. capitatum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 6 Riverside Santa Magarita Ecological Reserve, Via Tornado, North side of Santa Margarita river, behind cabin. 357 Comment
  CAS-BOT-BC292185  Dicoria canescens Marcus E. Jones 1927-10-3 s.n. Riverside Indio Comment
  CLARK-A1528-1795  Dicoria canescens John C. Roos 1943-10-17 2744 Riverside Dry Morongo Wash Comment
  RSA0107426  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of the Arica Mountains; west side of Rice Valley; about 3 air miles south of the ghost town of Rice. 227 Comment
  CDA4510  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  UCR266775  Dimorphotheca sinuata Mitch Provance, Matt Amalong 2015-3-25 315- 21 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  CAS-BOT-BC150677  Diplacus longiflorus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0042922  Distichlis spicata Duncan S. Bell, Evan Meyer 2014-4-2 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR100110  Ditaxis californica B. G. Pitzer 1997-10-19 3355 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  RSA776339  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 787 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JOTR35215  Ditaxis lanceolata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3639 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash (Stop 2) Comment
  RSA4939  Ditaxis lanceolata C. B. Wolf 1932-4-27 3058 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UC868541  Ditaxis lanceolata Alice Eastwood 1913-4-30 3008 Riverside Blue Canyon Palm Springs; , Blue Canyon 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
  GMDRC2037  Ditaxis neomexicana J. Andre, T. La Doux 2006-4-11 6736 Riverside Pinto Basin: Pinto Basin: along Pinto Basin Rd (paved) in Wilson Cyn, growing in major side wash to SW.. Elev. 2814 ft. 858 Comment
  RSA776300  Ditaxis neomexicana Duncan S. Bell, Amanda Turek 2010-4-10 824 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SD109126  Ditaxis neomexicana Grady L. Webster, R. Hildreth 1966-12-9 7456 Riverside Joshua Tree National Monument, NW end of Pinto Basin, 2.8 miles NW of Cholla Gardens 790 Comment
  RSA0104638  Ditaxis serrata var. californica Duncan S. Bell, Evan Meyer 2014-10-28 7660 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  CAS-BOT-BC43633  Dithyrea californica L. R. Abrams 1926-3-26 11088 Riverside Indian Wells to Indio. Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  UCR70735  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Sonoran (Colorado) Desert; San Gorgonio Pass, Cabazon 457 Comment
  JOTR01033  Dithyrea californica Cole, James E. 1941-3-30 449 Riverside Joshua Tree National Park. PINTO BASIN 457 Comment
  RSA753813A  Dodecahema leptoceras D. Volgarino 1995-6-12 s.n. Riverside Dripping Springs. Comment
  RSA1455  Dodecatheon clevelandii J. T. Howell 1929-2-14 s.n. Riverside 6 miles south of Corona. Comment
  CLARK-A1045-157  Downingia cuspidata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  CAS-BOT-BC70834  Dryopteris arguta D. E. Breedlove 1961-8-5 938 Riverside along Fuller Mill Creek where it crosses Riverside Highway 1; San Jacinto Mtns 1645 Comment
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  UCR178152  Dryopteris arguta Tracy Tennant 1998-3-10 MOR- 1109 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  JOTR00967  Dryopteris arguta Adams and Black, Donald 1957-10-1 s.n. Riverside Joshua Tree National Park. ROCKS NEST OF OPTIMO TRI. STA. Comment
  SEINET10794022  Dryopteris arguta George Yatskievych, K. G. Preston, Mafham 1981-4-26 Yatskievych 81 -143 Riverside State Highway 74, 5.8 mi. SW of El Carizo Guard Station. San Juan Canyon; Santa Ana Mountians. T06S R05W S31 - NE4. 500 Comment
  UC284998  Dudleya edulis P. A. Munz 1923-6-18 7130 Riverside Temecula Canyon Comment
  CAS-BOT-BC411417  Dudleya lanceolata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SD212578  Dudleya lanceolata A. C. Sanders, T. B. Salvato and Kelly Volansky 2006-5-28 32628 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon/Scott road and north of Clinton Keith Rd. 579 Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  UCR172713  Dudleya lanceolata Jun Hu 2000-5-11 17 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA559432  Dudleya multicaulis Steve Boyd, Timothy S. Ross 1992-5-5 7222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SEINET960008  Dudleya multicaulis Steve Boyd 1986-1 1838 Riverside Temescal Canyon: Terrace escarpment between Horsetheif wash and Indian Truck Trail, south of I-15 Comment
  RSA570733  Dudleya pulverulenta Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8202 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CAS-BOT-BC109649  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  UC1015384  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater 457 Comment
  JOTR33717  Echinocactus polycephalus var. polycephalus La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1210 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  UCR230603  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR120338  Echinochloa crus-galli Mitch Provance 1998-7-23 930 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR7730  Echinochloa crus-galli Frank C. Vasek 1967-10-8 s.n. Riverside Riverside, residence of Dr. F.C. Vasek, Sandalwood Ct. 335 Comment
  UCR145572  Eclipta prostrata Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  SEINET3386355 Image available Ehrharta longiflora Thomas Jay Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region; Santa Margarita Ecological Reserve: Temecula Gorge, south side 239 Comment
  UCR182093  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  SD90586  Elatine californica Robert F. Thorne, Earl Lathrop 1969-5-12 37921 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado. 625 Comment
  CAS-BOT-BC112744  Eleocharis geniculata A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-1 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. -30 Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA612703  Eleocharis palustris Darin L. Banks 1997-3-29 1595 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  UCR178205  Eleocharis parishii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 903 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  UCR20448  Elymus glaucus E. W. Lathrop 1966-4-13 6172 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  CAS-BOT-BC226824  Encelia californica A. C. Sanders; T. B. Salvato 2012-4-27 40090 Riverside Peninsular Range; Santa Ana Mtns.: Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  CHSC8379  Encelia farinosa Edward L. Smith 1957-4-3 259 Riverside San Bernardino Mts. Located 1 mi. n on hwy. 99 to 29 Palms. 91 Comment
  HSC79045  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  RSA660554  Encelia farinosa Bruce Albert 1982-4-17 13 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA739853  Encelia farinosa J. L. Strother 2008-3-10 1368 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SD157559  Encelia farinosa Michael L. Wells 1990-4-19 90 19 Riverside Perris, intersection of Nuevo Road and Rimrock Road; southeast facing slope Comment
  UCR100878  Encelia farinosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2695 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR232048  Encelia farinosa John F. Green 2008-4-15 0408- 11 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  SEINET3078303 Image available 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 (McCoy Peak 7.5' Q) 204 Comment
  UCD131406  Encelia virginensis Ted C. MacRae 1994-6-6 940606 -2 Riverside Vicinity of Pinyon Flats at junction of Jeraboa and Indio Roads. Comment
  RSA383849  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1974-3-30 696 Riverside S of juncture with North Canyon, Andreas Canyon, E slope San Jacinto Mtns. Between Sites A-8 and A-9 335 Comment
  SEINET3866898  Ephedra aspera Sears 1977-10-12 S 578 Riverside Corn Spring, Desert Plam Oasis, permanent flowing spring, in wash area up in the mountain slopes of the Chuckwalla Mountains.; 0 549 Comment
  UC729947  Ephedra nevadensis B. D. Stark 1932-6-17 Riverside canyon above Cottonwood Springs; Colorado Desert, Eagle Mts. 396 Comment
  UCR201818  Epilobium campestre Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  POM262500  Epilobium canum subsp. latifolium R. Cooper 1941-11-11 s.n. Riverside Chino Canyon, San Jacinto Mountains. Comment
  RSA649939  Epilobium canum subsp. latifolium J. Sanders 1967-11-5 83 Riverside Found off R1 by Pine Flats a little ways South of the U.S. Agriculture Station. 1524 Comment
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Aug 16 2015
  SD173090  Epilobium canum subsp. latifolium Juergen Schrenk 2005-10-11 45 Riverside Santa Rosa Mountains, summit of Toro Peak 2600 Comment
  UCR159254  Epilobium ciliatum A. C. Sanders, Kelly Volansky 2005-8-31 31580 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
  UCSB4330  Epilobium ciliatum Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SBBG92149  Epilobium ciliatum subsp. ciliatum J. Hirshberg 1989-7-25 Riverside marsh near SW edge of Vail Lake Comment
  UCR193921  Epilobium densiflorum A. C. Sanders, Mitch Provance 2008-7-11 35788 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UC162736  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1896-9-3 323 Riverside San Jacinto Mountains Comment
  RSA575856  Epilobium pygmaeum Steve Boyd, A. C. Sanders 1980-5-19 s.n. Riverside San Jacinto Valley, along the Ramona Expressway. near Lakeview Hotsprings. 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
  RSA561120  Epipactis gigantea Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7315 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA607567  Epipactis gigantea Louis C. Wheeler 1964-6-19 8487 Riverside Chino Creek, oasis near Palm Springs. Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  UCR230605  Eragrostis mexicana subsp. mexicana A. C. Sanders 2011-9-15 39891 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  JEPS68601  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; Colorado Desert Comment
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Oct 27 2014
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCSB9703  Eremalche rotundifolia Leeuwen, Henry 1957-4-13 Riverside Next to US 60, near juncture with Cal 195 Comment
  UCSB38669  Eremothera boothii Cowan, Clark 1978-4-24 Riverside 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi (2 km) on Ave 66 from Hwy 86 Comment
  CAS-BOT-BC160054  Eremothera boothii subsp. condensata Javier Penalosa 1963-4-10 2788 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA0105510  Eriastrum densifolium subsp. austromontanum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC52825  Eriastrum densifolium subsp. austromontanum Mr. Chas. Van Deventer July 1901 Riverside El Toro Mt.; w base 1371 Comment
  RSA0119710  Eriastrum diffusum subsp. coachellae Charlotte M. Wilder 1907-4-9 709 Riverside Below junction of washes from Palm and Murray canyons. Comment
  RSA0120102  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1953-5-15 18460 Riverside Open desert plains, near Palm Srpings Rwy Station 122 Comment
  SD260101  Eriastrum harwoodii J. M. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) Low dunes. 242 Comment
  UCR237492  Eriastrum harwoodii Duncan S. Bell 2011-4-7 2176 Riverside Sonoran (Colorado) Desert, northeast side of the Arica Mountains, c. 2.5 air mi northwest of Priests Well or c. 4.3 air mi southwest of the ghost town of Rice 339 Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR187487  Eriastrum sapphirinum Diane Menuz 2006-5-16 090 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  RSA409368  Eriastrum sapphirinum subsp. dasyanthum Robert Gustafson, Gary D. Wallace 1983-6-23 2724 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  SD181417  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Tasha La Doux 2000-6-3 7998 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  RSA0121254  Eriastrum sapphirinum subsp. dasyanthum C. W. Tilforth 1969-7-24 213 Riverside About 5 mi. south of Hemet, east of County Highway R-3. Comment
  SD28108  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mountains; Point View, near Idyllwild. 1646 Comment
  POM40988  Ericameria brachylepis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  RSA314172  Ericameria cuneata Walter Wisura 1983-11-12 3950 Riverside Along trail above Morris Ranch Rd., above Garner Valley, San Jacinto Mtns. Comment
  CAS-BOT-BC286794  Ericameria cuneata var. spathulata J. Ewan 1931-12-24 5574 Riverside Deadman Point, Granite Mts., Mohave Desert Comment
  POM310588  Ericameria linearifolia G. Mansfield, Jones 1956-05 s.n. Riverside Joshua Tree National Monument on road to Juniper Flats. 1463 Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  UC894832  Ericameria paniculata Carl B. Wolf 1932-10-11 Riverside at San Bernardino Co. line Morongo Wash; Colorado Desert, Little San Bernardino Mts., Morongo Wash 731 Comment
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Feb 10 2013
  CAS-BOT-BC131643  Ericameria parishii var. parishii Edmund C. Jaeger 1920-4-9 s.n. Riverside Snow Creek, Colorado Desert 914 Comment
  UCR125762  Ericameria pinifolia A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25661 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  SEINET10849697  Erigeron David B. Dunn 1947-9-21 Dunn 3513 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon. Comment
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  RSA717587  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR37453  Erigeron foliosus var. foliosus Hodges, Stephen, T. Green 2016-5-24 575 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  POM251759  Eriochloa acuminata A. R. Roos 1937-11-22 7 Riverside East washington Ave., Riverside. Comment
  UCSB51407  Eriochloa acuminata Roos, A. 1937-11-28 Riverside East Washington St., Riverside Comment
  POM263072  Eriochloa aristata J. C. Roos 1937-8-20 477 Riverside Palo Verde Valley, Colorado Desert. Comment
  PASA2086  Eriodictyon crassifolium Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA455012  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  RSA6842A  Eriodictyon crassifolium P. A. Munz, L. T. Street 1919-5-7 2734 Riverside Tahquitz Canyon 213 Comment
  UCR174617  Eriodictyon crassifolium Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 348 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  UCSB16639  Eriodictyon crassifolium Hurst, Linda 1963-5-5 Riverside Along State Highway 74, about 3 miles west of Palm Desert 198 Comment
  UCR123820  Eriodictyon crassifolium var. crassifolium Steven R. Hill 2001-5-3 33674 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA510043  Eriodictyon trichocalyx B. Pitzer, H. Pitzer, J. Hall 1987-4-23 571 Riverside Whitewater Canyon, from N edge of Fish Hatchery to 0.5 miles N of It, 5.5 miles N of I-10 on Whitewater Canyon road. 732 Comment
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Jan 14 2010
  RSA296158  Eriodictyon trichocalyx Barry A. Prigge 1980-8-5 3827 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  JEPS57094  Eriogonum apiculatum Carl V. Meyer 1928-7-26 527 Riverside near Roach Sawmill; San Jacinto Mt. Comment
  RSA0103621  Eriogonum apiculatum Duncan S. Bell, Sarah DeGroot 2015-9-21 8646 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  CAS-BOT-BC242801  Eriogonum davidsonii H. M. Hall 1901-6-1 2088 Riverside San Jacinto Mountains. In the vicinity of Chalk Hill 1524 Comment
  RSA65158  Eriogonum elongatum J. T. Howell 1928-11-4 4089 Riverside San Gorgonio Pass, between Banning and Cabazon. Comment
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Mar 13 2011
  UCR199724  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10683 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
  UCR158522  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30044 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA717683  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2004-5-5 27780 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
  CAS-BOT-BC249950  Eriogonum fasciculatum var. foliolosum G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  RSA32416  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1943-9-11 913 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  UCR172259  Eriogonum fasciculatum var. foliolosum 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
  POM11512  Eriogonum fasciculatum var. polifolium P. A. Munz 1922-7-1 5929 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  POM123083  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM6443  Eriogonum fasciculatum var. polifolium P. A. Munz 1919-5-7 2745 Riverside Palm Springs. 198 Comment
  UC64569  Eriogonum gracile H. M. Hall 1897-8-29 866 Riverside Riverside Comment
  RSA0125108  Eriogonum gracile var. gracile Duncan S. Bell 2016-10-27 10217 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UC1979861  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  UC1287110  Eriogonum inflatum var. inflatum C. L. Hitchcock 1966-3-21 24313 Riverside wash about 5 mi n Milpitas Wash (12 mi nw of Blythe-Glamis road) Comment
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Mar 2 2013
  UC667267  Eriogonum maculatum Annie M. Alexander and Louise Kellogg 1941-5-15 2177 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UCR24321  Eriogonum maculatum John C. Roos 1958-9-28 s.n. Riverside Santa Rosa Mtns., Pinyon Flats 1220 Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  UCR122585  Eriogonum molestum George K. Helmkamp 1995-11-16 101 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  CAS-BOT-BC33969  Eriogonum plumatella var. jaegeri Edmund Carroll Jaeger 1921-11-5 251 Riverside Dry Morongo Wash, near Hole-in-the-Wall Spring Comment
  RSA342543  Eriogonum pusillum Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54087 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  JOTR37476  Eriogonum saxatile Hodges, Stephen, T. Green 2016-5-5 597 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  POM128742  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Canyon. Comment
  RSA424859B  Eriogonum thomasii M. B. Dunkle 4912 Riverside Colorado Desert, east of Indio. Comment
  RSA766144  Eriogonum thomasii F. W. Peirson 1930-3-29 1897 Riverside Painted Canyon Comment
  SBBG1630  Eriogonum thomasii H. and M. Dearing 1940-1-1 4067 Riverside near Mecca Comment
  UCR163924  Eriogonum thomasii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29130 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR30806  Eriogonum thurberi G. R. Ballmer 1983-7-3 s.n. Riverside City of Riverside, Santa Ana River Bottom, under the Salt Lake Bridge at the end of Fremont Street, near the Humane Society Animal Shelter 216 Comment
  CLARK-A1045-213  Eriogonum trichopes George K. Helmkamp 1979-4-18 Riverside Indio Hills Dillon Road at dry wash; Lost Horse Mtn. 15'Q Comment
  JEPS56822  Eriogonum trichopes W. L. Jepson 1927-4-12 11642 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  SBBG28174  Eriogonum vimineum S. G. Stokes 1933-7-1 106 Riverside near Idyllwilld Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR19426  Eriogonum wrightii var. subscaposum Harlan Lewis 1939-11-22 1018 Riverside San Jacinto Mtns., Idyllwild 1524 Comment
  UCR26131  Eriophyllum ambiguum John C. Roos 1947-3-15 3352 Riverside Santa Rosa Mountains/Colorado Desert, Deep Canyon 366 Comment
  RSA0123091  Eriophyllum ambiguum var. paleaceum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8986 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC1929496  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC297333  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 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
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  POM318698  Eriophyllum confertiflorum Patricia Wilder 1968-7-5 4313 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  RSA36563  Eriophyllum confertiflorum Sara M. Schenck 1942-6-3 s.n. Riverside Black Rock Springs, Joshua Tree National Monument. 1140 Comment
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR251868  Eriophyllum confertiflorum M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  UCR92384  Eriophyllum multicaule F. M. Reed 1930-4-8 6860 Riverside San Bernardino Mtns., Whitewater Canyon 610 Comment
  JEPS5378  Eriophyllum wallacei W. L. Jepson 1927-4-11 11621 Riverside near Palm Springs RR station; Whitewater Bridge Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UCR100441  Erodium botrys B. G. Pitzer 1997-4-20 3205 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR120950  Erodium botrys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23878 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA736317  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA776015  Erodium cicutarium Duncan S. Bell 2010-3-20 613 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SDSU12924  Erodium cicutarium Jutta Buschbom 1991-5-1 37 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU13351  Erodium cicutarium Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 33 Riverside Santa Margarita Ecological Reserve (SDSU). On the north side of the Santa Margarita river, near the pipe line crossing. 239 Comment
  UCR272902  Erodium cicutarium Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3067 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  RSA741424  Erodium moschatum Justin M. Wood 2008-12-2 262 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR91548  Erodium moschatum A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18065 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA192138  Eryngium aristulatum var. parishii E. W. Lathrop 1966-9-14 6887 Riverside 3 miles SW of Murrieta. Comment
  CAS-BOT-BC54335  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  CHSC105717  Erythranthe diffusa P. A. Munz; I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains 1463 Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  RSA0020061  Erythranthe guttata R. M. Straw 1953-6-5 456 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  JOTR34368  Eschscholzia Andre, Jim 2012-4-16 20884 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA395894  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UC64137  Eschscholzia californica H. M. Hall June, 1901 2063 Riverside vicinity of Chalk Hill San Jacinto Mountains 1371 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA708491  Eschscholzia minutiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10876 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  UCR104015  Eschscholzia minutiflora George K. Helmkamp 1998-4-4 3133 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  SEINET10476297  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2899 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  CAS-BOT-BC5931  Eschscholzia minutiflora var. parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Eastern slope of San Bernardino Mt., Whitewater. Comment
  RSA0023200  Eschscholzia papastillii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11272 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA0125281  Eschscholzia papastillii Duncan S. Bell 2016-3-4 8786 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  JEPS24880 Image available Eschscholzia parishii Peter M. Ray 1949-3-6 1339 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  RSA524477  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-2 4040 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD126650  Eucrypta chrysanthemifolia Ed LaRue 1989-3-30 Riverside Rancho California, ca. 4.0 miles west of Temecula, with Ave. del Oro as the north boundary. 381 Comment
  UCR174050  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32523 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UCR98071  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19900 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM145350  Eucrypta chrysanthemifolia var. bipinnatifida J. B. Feudge 1927-3-22 1849 Riverside Palm Springs 183 Comment
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Nov 12 2011
  RSA0121044  Eulobus californicus Duncan S. Bell, LeRoy Gross 2016-3-29 9123 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC2015586  Eulobus californicus A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16095 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  CLARK-A1528-2491  Euonymus occidentalis subsp. parishii John C. Roos 1943-8-8 269 Riverside San Jacinto Mountains 1828 Comment
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Mar 22 2014
  UCR21977  Euphorbia albomarginata Steve Boyd 1980-5-5 206 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  SFV17342  Euphorbia eriantha J. D. Dilley, J. N. Hogue (109.4) 1998-4-24 277 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash, 0.5 miles east of Aztec Well. 579 Comment
  RSA711032  Euphorbia ophthalmica A. C. Sanders 1996-3-17 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA651899  Euphorbia polycarpa var. hirtella Marion P. Harthill 1971-3-19 41 Riverside Palm Desert. Comment
  UCR26563  Euphorbia polycarpa var. hirtella George K. Helmkamp, R. L. Kobaly 1982-5-6 s.n. Riverside San Jacinto Mtns, N foot, at Snow Creek. Beside Snow Creek Road between the village and the wash. 488 Comment
  CAS-BOT-BC499162  Euphorbia setiloba A. C. Sanders; Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road, c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UC1922388  Euphorbia setiloba Michael Honer with L. Hulse 2004-4-3 1910 Riverside Colorado Desert; Little San Bernardino Mountains Region: Rockhouse Canyon, approx. 2 mi N of intersection with Fargo Canyon. Comment
  UCR281929  Euphorbia setiloba A. C. Sanders, Jim Malusa 2017-9-21 43355 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  UCR150976  Euphorbia spathulata D. L. Banks 1997-3-29 1601 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
  RSA708488  Fagonia laevis Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10896 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA775960  Fagonia laevis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 808 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  SD225134  Fagonia laevis G. K. Helmkamp, E. A. Helmkamp 1998-2-5 2657 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 100 Comment
  SD45178  Fagonia laevis Helen K. Sharsmith 1952-4-11 4062 Riverside Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70 533 Comment
  UCR216493  Fagonia laevis Tasha La Doux, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR72179  Fagonia laevis Theo Glenn 1991-5-15 91- 39 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  UCSB7950  Fagonia laevis Muller, Katherine 1952-4-5 Riverside 2 mi. E. of Shaver's Summit, E. of South Gate of Joshua Tree National Monument Comment
  RSA777732  Fagonia pachyacantha Jim Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  CHSC8314  Ferocactus cylindraceus Edward L. Smith 1957-4-3 229 Riverside At White Water Canyon entrance, San Bernardino Mts. 579 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  UCR79472  Festuca arundinacea Steve Boyd 1993-5-12 7338 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR24054  Festuca microstachys John C. Roos 1950-4-15 4737 Riverside The summit of Reche Canyon 793 Comment
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR48507  Filago arizonica Steve Boyd 1986-4-10 1642 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. 381 Comment
  RSA683865  Filago californica Scott D. White, Michael Honer 2003-4-4 8953 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA85100  Filago californica J. C. Roos 1952-4-13 5528 Riverside Box Springs Mts. 488 Comment
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR13207  Filago depressa O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, just outside of Joshua Tree National Monument, near Cottonwood Canyon entry 671 Comment
  UCR166301  Filago depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16129 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR155318  Filago gallica A. C. Sanders, Mike Misenhelter 2005-3-23 29251 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA113276  Forestiera pubescens E. K. Balls 1955-4-1 20412 Riverside Head of Palm Canyon, Hwy 74, from S end of San Jacinto Mts to Palm Springs. 1250 Comment
  CAS-BOT-BC384198  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 290 Riverside About 50' SW of #291 (female). About 1/2 mi. up canyon east of turnout parking area 1/2 mi. up Santa Rosa Mt. Rd. from Hwy. 74. Santa Rosa Mountains 1371 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  RSA623950  Fouquieria splendens subsp. splendens Dylan Schwilk 1994-3-26 9 Riverside Highway 74 (lower Deep Canyon) S-facing desert slope just above alluvial fan spreading into Coachella Valley 600 Comment
  RSA628536  Frangula californica subsp. californica A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22218 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  RSA737107  Frankenia salina Justin M. Wood 2008-10-29 210 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  CLARK-A1656-658  Franseria ilicifolia Milton Walker 1978-1-17 Riverside Chuckwalla Mountains 274 Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  LA50896  Fraxinus dipetala Carl Epling; 1943-3-27 sn Riverside 4 mi. W of Elsinore, on Ortega Highway Comment
  SDSU14313  Fraxinus velutina Kristin Andrade, Mike Simpson 2002-4-20 15 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 223 Comment
  UCR132721  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA263771  Fritillaria biflora E. W. Lathrop 1971-3-24 7460 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM127906  Funastrum hirtellum Joseph Grinnell 1910-3-18 s.n. Riverside Riverside Mt. Colorado River. Rocky hillside. Comment
  RSA778423  Funastrum hirtellum Stephanie Rockwood, Christi Gabriel 2011-10-12 90 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
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Mar 4 2013
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  UC2015639  Galium angustifolium A. C. Sanders 1995-4-13 16483 Riverside San Bernardino Mtns./ Colorado Desert: Devil's Garden, E end of the mtns, 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. Comment
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  RSA0124385  Galium aparine Duncan S. Bell 2016-4-16 9329 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA645690  Galium aparine Scott D. White, Steve Ogg 1994-4-21 1958 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  UCR22051  Galium aparine Steve Boyd 1980-4-27 150 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA613406  Galium porrigens D. L. Banks 1997-4-5 1685 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  CAS-BOT-BC494159  Galium porrigens var. porrigens Valerie Soza; Steve Boyd 2004-6-22 1728 Riverside San Jacinto Mountains, Forest Service Rd 5S13 1463 Comment
  UCR90389  Galium porrigens var. porrigens D. L. Banks, Steve Boyd 1995-3-15 0077 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  POM367817  Galium stellatum H. de Forest, Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  POM173085  Gamochaeta pensylvanica M. French Gilman 1930-10 4 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC178388  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside By Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N Slope Santa Rosa Mts. 1097 Comment
  RSA221006  Garrya veatchii E. W. Lathrop 1966-4-20 6191 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA674622  Gastridium phleoides Scott D. White, Sandy Leatherman 2000-5-31 7973 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  JEPS61457  Geranium californicum W. L. Jepson 2299 Riverside Tauquitz Valley San Jacinto Mt. 2286 Comment
  UC64176  Geranium californicum H. M. Hall Jul 1897 7221 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
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Mar 12 2011
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR193301  Gilia A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35597 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG47438  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  UC908355  Gilia angelensis Herbert L. Mason 1928-3-11 4255 Riverside San Gorgonio Pass Comment
  UCR213626  Gilia angelensis A. C. Sanders, Matthew Malle 2010-4-23 37998 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR241183  Gilia capitata Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 09 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  POM97005  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-5-2 10425 Riverside about rocks, 5 miles NW of Dripping Spring Comment
  SD7672  Gilia diegensis May 1881 Riverside Temecula Comment
  UC23841  Gilia latiflora subsp. davyi Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR30162  Gilia latifolia A. C. Sanders 1983-4-24 3803 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  RSA792626  Gilia maculata R. F. Thorne 1995-3-29 63026 Riverside White Water Canyon. 600 Comment
  SFV21896  Gilia ochroleuca subsp. bizonata L. L. Zung 2011-5-30 17 Riverside San Jacinto Mountains Apple Canyon Center near Herkey Creek. 1340 Comment
  CAS-BOT-BC407615  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14576 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45 1200 Comment
  SBBG5862  Gilia ochroleuca subsp. exilis C. H. Muller 1952-4-5 9491 Riverside White Water Cyn, 1 mi above Whitewater Comment
  UC52863  Gilia ochroleuca subsp. exilis H. M. Hall April, 1902 2905 Riverside above Sage P.O. (vicinity of Winchester); vicinity of Winchester Comment
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Mar 20 2011
  RSA0017051  Gilia ochroleuca subsp. exilis R. C. Bacigalupi, L. Heckard 1962-3-25 8400 Riverside Temescal wash, near Arcilla siding of the A.T. & S.F. railway, just below and east of state highway 71. About 10 air miles northwest of Elsinore. 290 Comment
  RSA796034  Gilia scopulorum Duncan S. Bell 2009-4-18 250 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  JOTR35458  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 62 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  JOTR35468  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 71 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  RSA0126640  Gilia stellata Duncan S. Bell 2016-3-4 8797 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  RSA575851  Glinus lotoides Steve Boyd 1983-7-13 s.n. Riverside Gavilan Hills region, south shore of Lake Mathews. 424 Comment
  RSA659628  Glyceria striata J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  UC1979606  Gnaphalium luteoalbum D. L Banks, Steve Boyd 1995-5-17 0463 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR162772  Gnaphalium luteoalbum S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR169466  Gnaphalium luteoalbum John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR41395  Gnaphalium luteoalbum N. M. Fellows, A. C. Sanders 1985-5-7 182 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
  RSA522097  Gnaphalium microcephalum Steve Boyd, Orlando Mistretta 1989-7-18 3765 Riverside Vail Lake Area, Temecula Creek Canyon 0.5 mi W of dam 421 Comment
  UCR256777  Gnaphalium palustre T. B. Salvato, Matthew Malle 2013-5-20 7581 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  CLARK-A1528-225  Gutierrezia bracteata John C. Roos 1951-9-23 5238 Riverside Reche Canyon Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  UC1214010  Gutierrezia sarothrae Otto T. Solbrig 1958-8-18 2756 Riverside on Hwy 74 3.4 mi w of junction with Hwy 71 Comment
  UCR34963  Haplopappus venetus subsp. vernonioides L. B. Ziegler 1966-10-16 103 Riverside San Jacinto Valley/San Jacinto Mtns. Foothills, Soboba Indian Reservation 503 Comment
  SBBG122760  Harpagonella palmeri A. Parikh 1990-4-25 156 Riverside base of Gavilan Pk, 1.7 km N of Lake Matthews Drive, 1.8 km W of Gavilan Rd 637 Comment
  UCR77700  Harpagonella palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6311 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  SBBG94677  Hazardia squarrosa S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 air mi SW of Temecula, on Via Yerba Rd, E of Vaquero Rd 396 Comment
  UCR250218  Hedypnois cretica A. C. Sanders 2014-4-8 40982 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  RSA598425  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris: Nuevo Road at edge of irrigated alfalfa field, just E of San Jacinto River crossing. 435 Comment
  RSA0012940  Helianthus californicus I. W. Clokey, E. G. Anderson 1935-8-21 6934 Riverside North fork, San Jacinto River. 1500 Comment
  UCR164067  Helianthus gracilentus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  SD232182  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. 1737 Comment
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Sep 8 2015
  UC666387  Heliotropium convolvulaceum var. californicum Annie M. Alexander and Louise Kellogg 1941-5-28 2259 Riverside 6 mi. e. Blythe; Colorado Desert 121 Comment
  UC68756  Heliotropium convolvulaceum var. californicum H. M. Hall Apr., 1905 5913 Riverside sand hills near Paloverde; Colorado Desert 91 Comment
  UC62905  Hemizonella minima H. M. Hall May 17, 1901-June 1, 1901 1802 Riverside Strawberry Valley San Jacinto Mt. 1600 Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CLARK-A1528-1919  Hemizonia kelloggii John C. Roos 1943-7-15 2731 Riverside San Timoteo Canyon Comment
  RSA885  Hemizonia kelloggii J. T. Howell 1928-7-8 1042 Riverside Near Glen Ivy. 396 Comment
  UCR176887  Hemizonia kelloggii Tracy Tennant 1998-7-1 s.n. Riverside San Jacinto Valley, SE of Winchester, 'North Hills', at south end of California Ave. 457 Comment
  RSA678267  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1068 -b Riverside Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows. 1341 Comment
  UCR117711  Hemizonia paniculata Mitch Provance 1998-6-11 678 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  CLARK-A1528-1923  Hemizonia pungens John C. Roos 1952-5-14 5670 Riverside San Jacinto River 426 Comment
  UCR189808  Hemizonia pungens subsp. laevis Theresa Johnson 2006-6-1 142 Riverside Peninsular Range, San Jacinto Wildlife Area. South of main entrance road to San Jacinto Wildlife Area. Located parallel to dirt road c. 500 m west of Davis Road along dry alkali flats 433 Comment
  UCR202215  Hemizonia pungens subsp. laevis Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR63020  Hemizonia pungens subsp. laevis Don Mitchell 1990-6-20 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  HSC47334  Hesperocallis undulata R. W. Spjut, C. E. Edson 1978-4-26 4956 Riverside Colorado Desert, along Hwy. 177, ca. 7 mi. NE of Desert Center. 305 Comment
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  SD138018  Heterocodon rariflorum Darin L. Banks, Steve Boyd 1995-3-30 118 Riverside Cleveland National Forest; Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove. 710 Comment
  CAS-BOT-BC311218  Heterotheca sessiliflora subsp. echioides Samuel B. Parish 1880-11-1 746 Riverside Whitewater, Colorado Desert Comment
  CAS-BOT-BC203350  Hibiscus denudatus Edmund C. Jaeger 1922-4-12 s.n. Riverside Martinez Canon [Canyon], Colorado Desert 304 Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  UCR108365  Hippuris vulgaris L. C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains, Fulmor Lake Comment
  JOTR37050  Hoffmannseggia glauca Hodges, Stephen R. 2015-8-20 605 Riverside Joshua Tree National Park. Pleasant Valley, near roadside in ephemeral wet muddy area Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  OBI26133  Hoffmannseggia microphylla David J. Keil 1976-12-12 11913 Riverside Ca. 5 mi E of Indio along I-10 Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  SBBG103942  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Rd, 0.5 mi S of Florida Ave (St Hwy 74) Comment
  UCR264619  Hordeum depressum Mitch Provance 2011-6-6 17006 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  CAS-BOT-BC526876  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: 6.5 km W of Hemet & c. 0.4 km W of jct with Florida Ave./Hwy 74 & Warren Rd 457 Comment
  UCR116948  Hordeum marinum A. C. Sanders, D. Malueg 2001-5-17 24357 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR97285  Hordeum marinum Scott D. White 1993-3-12 1157 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SDSU9063  Horkelia bolanderi F. Youngberg 1933-8-28 Riverside Idyllwild Pines, San Jacinto Mtns. Comment
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC729824  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside 1 1/2 mi Idyllwild (on road to banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UC32856 Image available Hulsea vestita subsp. callicarpha H. M. Hall 1899-5-26 1180 .1 Riverside at Kenworthy; San Jacinto Mts., Thomas Valley; Thomas Valley, San Jacinto Mts. 1386 Comment
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Mar 25 2011
  POM361078  Hymenoclea salsola F. R. Fosberg 1932-3-13 8090 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  UCR687  Hymenoclea salsola S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  POM182076  Hymenoclea salsola var. pentalepis P. A. Munz 1932-3-14 11972 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  UCR111552  Hypochaeris glabra Mitch Provance, J. Ross 1999-4-1 1727 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  CAS-BOT-BC219737  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CAS-BOT-BC219753  Hyptis emoryi E. A. McGregor 1917-3-18 730 Riverside 5 miles up Painted Canon [Canyon] Comment
  CHSC745  Hyptis emoryi V. Holt 1942-3-27 Riverside Blythe. 91 Comment
  RSA20010  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA304958  Hyptis emoryi S. Carlquist 1982-4-18 15671 Riverside West side of Thousand Palsm Canyon Road, 1 mile north of junction with Ramon Road, Thousand Palms. Comment
  SFV5022  Hyptis emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCR247349  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside Sonoran (Colorado) Desert, Coachella Valley, south side of Ave. 60, 0.2 mi. east of Jackson St., c. 6 miles south of Indio -28 Comment
  SEINET12045030  Iris hartwegii R. L. Rutherford 1945-1 1672 Riverside Big Oaks Canyon, Banning 1219 Comment
  CDA32720  Isocoma menziesii var. vernonioides Mike Lahti 2009-10-13 PDR# 1501839 Riverside Hemet. Found off Deportola Road on Colt Road. 0 Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA500162  Isolepis cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3638 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  SD233866  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside San Bernardino Mtn.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning. Below road on lower cyn. Slopes. 792 Comment
  RSA761983  Juncus Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 678 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  JEPS66902  Juncus acutus subsp. leopoldii W. L. Jepson 1914-5-22 6041 Riverside e of Thousand Palms; Colorado Desert, Palm Canyon Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC146453  Juncus acutus subsp. leopoldii H. M. Hall May 1905 5978 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR116993  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-3 24100 B Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  RSA0013145  Juncus bufonius var. bufonius LeRoy Gross, Caitlin Elam 2013-5-14 6071 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR24961  Juncus macrophyllus A. C. Sanders 1980-7-22 1714 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  RSA781383  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  POM14394  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1922-7-6 5999 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR177389  Juncus saximontanus A. C. Sanders, Scott D. White, C. L. Sanders 1994-10-9 15796 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 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
  RSA368387  Juncus xiphioides N. R. Zabriskie 1978-10-20 852 Riverside Andreas Canyon, east slope San Jacinto Mountains. 305 Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  IRVC1217  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 93 Riverside "Palm Canyon Road", off Palm to Pines Hwy. Peninsular Ranges, Santa Rosa Mountains 1220 Comment
  RSA494627  Juniperus californica Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  POM11223  Justicia californica E. A. McGregor 1917-3-18 731 Riverside 6 mi., Painted Canyon. Comment
  RSA402300  Justicia californica A. M. Johnson 1933-4-28 4235 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  SD173267  Justicia californica Melvin M. Sweet 2005-4-14 125 Riverside Anza-Borrego State Park; about 2 km NE of Middle Willows in Coyote Canyon stream bed 641 Comment
  UC303435  Justicia californica S. B. Parish 1919-3-27 19193 Riverside Palm Springs, West Canyon Colorado Desert, Palm Springs, West Canyon 167 Comment
  UC888144  Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  RSA793567  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 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
  UCR146287  Kallstroemia californica Robert E. Preston 1997-10-2 1051 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, at NE base of Mule Mountains 35 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  RSA68309  Keckiella antirrhinoides G. R. Campbell 1951-5-30 16112 Riverside 9 miles west of Anza. 1067 Comment
  RSA717685  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 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
  RSA79828  Keckiella antirrhinoides F. W. Peirson 1914-04 1105 Riverside Whitewater at head of Coachella Valley. Comment
  SDSU10661  Keckiella antirrhinoides H. Wedberg 1962-4-20 899 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston ranger Station , on road to Idyllwild. 610 Comment
  SFV3426  Keckiella antirrhinoides D. Whisler 1959-5-10 Riverside San Jacinto Mountains North scarp. 610 Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  UC103114  Keckiella rothrockii var. jacintensis S. B. and W. F. Parish Aug 1880 473 Riverside San Jacinto Mts. Comment
  UCSB26203  Keckiella ternata Gliessman, Stephen 1968-7-17 Riverside on north side of Little Thomas Mountain Road; 2.6 miles north of junction with Highway 74 1524 Comment
  UCR132896  Kochia scoparia Gevin Kenney 1997-8-29 s.n. Riverside San Jacinto Valley, 0.5 mi. SW of Gilman Springs Rd. off Bridge St. 436 Comment
  UCR182818  Kochia scoparia R. E. Riefner Jr. 2006-5-30 06- 214 Riverside Romoland, Sherman Rd. near Ethanac Rd. 440 Comment
  SDSU6884  Krameria bicolor Wende E. Rehlaender 1983-5-28 110 Riverside On rocky slope of small ridge between carrizo Creek and Highway 74, about 7.5 miles . along road from Palm Desert; 1.5 miles. NNE of Black Hill. Comment
  RSA718174  Krameria canescens Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA409439  Krameria erecta Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  UCD107156  Krameria erecta P. C. Everett; E. K. Balls 1958-4-29 23030 Riverside 21.9 mi. sw. of Rice, along rd. from Desert Center to Vidal Jct. 548 Comment
  JOTR30100  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
  POM307853  Krameria grayi Henry J. Ramsey, Henry J. Ramsey 1937-5-9 2721 Riverside Near Indio. Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  RSA715936  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD152988  Lamarckia aurea Steve Boyd 1993-3-14 7724 Riverside San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  UCD63325  Lamarckia aurea H. M. Reed 1914-4-23 Riverside Box Springs Mts., arroyo to w., near Sanitarium. Comment
  UCR25377  Langloisia schottii John C. Roos, Lucille Roos 1949-4-6 4149 Riverside Sonoran (Colorado) Desert, c. 10 mi. east of Mecca, at the south face of the Orocopia Mtns. Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  CAS-BOT-BC166020  Larrea tridentata E. A. McGregor 1917-3-19 713 Riverside Indio Sands - Colorado Desert Comment
  POM48453  Larrea tridentata Philip A. Munz, D. D. Keck 1925-3-7 9349 Riverside Painted Canyon, Mecca. Comment
  RSA652037  Larrea tridentata Peter Gail 1961-5-13 s.n. Riverside Along Palms to Pines Highway, 2 miles north of junction. Comment
  RSA652049  Larrea tridentata G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 Comment
  UCR41352  Larrea tridentata N. M. Fellows, A. C. Sanders 1985-5-7 166 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
  SEINET10289627  Larrea tridentata John Thieret, Brandenburg, David 1982-6-5 53088 Riverside 25 mi E of Desert Center; Larrea-Hilaria-Franseria desert Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC338922  Lasthenia californica H. M. Hall 1902-4-26 2971 Riverside Vicinity of Riverside. Box Springs Mt. 701 Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  SFV7334  Lasthenia coronaria T. Gordon, K. Kimbrough 1975-3-16 850A Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  JEPS29321  Lasthenia gracilis Rimo Bacigalupi and L. Heckard 1962-3-26 8417 Riverside 2.4 mi nw Romoland (s of Perris, flats on either side of creek) - Railroad Creek [San Jacinto River, flowing toward Railroad Canyon] 457 Comment
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Jul 14 2012
  RSA160876  Lasthenia gracilis P. C. Everett, Nick Lolonis 1962-4-13 24450 Riverside Temescal Canyon, intersection Hwy 71 and road to Lake Matthews Comment
  UCR34907  Lasthenia gracilis L. B. Ziegler 1967-4-25 124 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  RSA406643  Lathyrus vestitus N. C. Cooper 1949-6-29 4300 Riverside East side of San Jacinto Mountains. 1524 Comment
  RSA406645  Lathyrus vestitus subsp. alefeldii Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA405708  Lathyrus vestitus subsp. laetiflorus D. A. Young 1969-4-12 P- 457 Riverside 10 mi SE of Hemet on State St. 335 Comment
  UCR126984  Layia platyglossa A. C. Sanders, T. B. Salvato 2003-5-9 26585 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  SD28016  Lepidium fremontii Carl B. Wolf 1932-4-27 3043 Riverside Colorado Desert: Mecca-Blythe Road. 0.75 mile west of Utopia 149 Comment
  CDA24929  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1071 Riverside 4.7 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  RSA234057  Lepidium nitidum R. F. Thorne, E. W. Lathrop 1969-5-12 37947 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  UCR111562  Lepidium nitidum Mitch Provance 1998-5-4 1711 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  SDSU18720  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-13 446 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. South edge of mesatop. 448 Comment
  POM157884  Lepidium virginicum var. pubescens P. A. Munz 1927-5-20 10796 Riverside Murrieta Hot Springs. Comment
  UC56975  Lepidium virginicum var. pubescens H. M. Hall May 1901 1905 Riverside se base San Jacinto Mt. 1356 Comment
  UCR241104  Lepidium virginicum var. robinsonii A. C. Sanders, Timothy W. Chumley 2013-4-2 40741 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR25950  Lepidium virginicum var. robinsonii John C. Roos 1952-2-29 5367 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  JOTR29437  Lepidospartum squamatum La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1371 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  LA31382  Lepidospartum squamatum Jane Turner; 1959-3-29 Riverside Morongo Wash Comment
  OBI15802  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs 198 Comment
  RSA778129  Lepidospartum squamatum Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 720 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  SEINET2053392 Image available Lepidospartum squamatum J. Harry Lehr 1975-10-12 1698 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 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
  UCD64077  Leptochloa fusca subsp. uninervia Paul Popenoe 1920-12-11 Riverside Thermal. Comment
  JOTR37465  Leptosiphon aureus subsp. aureus Hodges, Stephen, T. Green 2016-5-5 587 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  RSA249828  Leptosiphon ciliatus R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38087 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SBBG35230  Leptosiphon lemmonii T. L. Secrest 1951-5-15 Riverside San Jacinto River bed near Hemet Comment
  JOTR32900  Leptosyne californica La Doux, Tasha, E. Babich, J. Galvin 2008-2-21 2941 Riverside Joshua Tree National Park. eastern edge of Hexie Mountains; Wilson Canyon, open coarse sandy bajada west of pull out for Silver Bell Mine 804 Comment
  RSA429762  Lesquerella kingii subsp. latifolia E. C. Jaeger 1922-4-1 718 Riverside Chuckwalla Bench, Colorado Desert 366 Comment
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May 29 2011
  UCR201956  Lessingia filaginifolia Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR202034  Lessingia filaginifolia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UC421678  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2929 Riverside top of control on road to Hemet (Mt. San Jacinto); Mt. San Jacinto Comment
  UC106812  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Peak Vicinity of Riverside 243 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
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 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
  UC1563137  Linanthus dianthiflorus Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3182 Riverside Vail Lake area, in hills just to sw of the dam Vail Lake Area 487 Comment
  UCR177152  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  RSA618769  Linanthus dianthiflorus subsp. dianthiflorus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 548 Comment
  RSA673729  Linanthus lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SDSU3188  Linanthus lemmonii D. F. Howe 1969-5-15 4590 Riverside Near Dripping Springs Camp Grounds. 457 Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UCR236901  Linanthus lemmonii Duncan S. Bell, Valentin Arvizu 2010-5-10 975 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UC737254  Linanthus parviflorus Frank W. Gould 1943-4-18 2149 Riverside 1 mi w Banning (foothills of the San Jacinto Mts.); San Jacinto Mts. Comment
  RSA586846  Linaria canadensis D. L. Banks, Steve D. Boyd 1995-5-3 265 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
  SEINET7063440  Linaria canadensis A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR97499  Linaria canadensis var. texana A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19875 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA497947  Linum lewisii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild, San Jacinto Mts. 1585 Comment
  UCR50042  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, 5 mi. east of Banning [near Cabazon] 610 Comment
  UC126713  Lipocarpha occidentalis F. M. Reed 1908-7-2 2443 Riverside San Jacinto Mountains, Lake Surprise Lake Surprise; San Jacinto Mountains, Lake Surprise Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  GMDRC7792  Loeflingia squarrosa J. M. Andre 2015-3-6 33556 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCR174322  Loeflingia squarrosa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32561 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
  POM96061  Loeseliastrum schottii M. French Gilman 1926-5-9 A- 16 Riverside Colorado Desert. Morogo Wash. Comment
  CAS-BOT-BC342105  Logfia arizonica Steve Boyd 1986-5-7 1825 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  HSC85384  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  SD185137  Logfia depressa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16143 Riverside Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I-10. 328 Comment
  RSA691965  Logfia filaginoides Scott D. White 2001-4-18 8359 B Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR108867  Lolium perenne Heidi A. Haid 1969-6-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR194218  Lolium perenne Scott D. White, Angelia Carey 2004-6-4 10460 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR2519  Lolium perenne subsp. multiflorum F. M. Reed 1906-5-27 968 Riverside San Bernardino Valley, Riverside, Grand Avenue opposite Rudolph's Ranch 244 Comment
  UCR151411  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  RSA563886  Lomatium vaginatum Scott D. White 1993-4-20 1218 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  LA204615  Lonicera subspicata Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  LA204616  Lonicera subspicata Victor Duran; 1933-7-2 3496 Riverside Santa Rosa Mountains, Vandeventer Flat 1523 Comment
  CLARK-A1528-2409  Lonicera subspicata var. johnstonii John C. Roos 1952-7-16 5813 Riverside 487 Comment
  RSA386936  Lotus K. Tomlinson, Deborah L. Kama, R. F. Thorne 1985-3-27 906 -b Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UCR187492  Lotus crassifolius Theresa Johnson 2006-7-26 248 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  UCR90277  Lotus hamatus Scott D. White 1995-7-7 3441 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA406164  Lotus haydonii B. C. Templeton 1930-4-9 101 Riverside Palm Springs 400 Comment
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Aug 28 2011
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  RSA644300  Lotus heermannii Scott D. White, Mike Wilcox 1995-7-11 3469 Riverside NE Santa Ana Mts. Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 730 Comment
  UCR60261  Lotus heermannii Steve Boyd 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  UCR266810  Lotus humistratus Mitch Provance, Matt Amalong 2015-3-25 315- 20 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  UCR112001  Lotus purshianus A. C. Sanders, T. B. Salvato 2000-5-25 23424 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
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
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Oct 9 2010
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC555405  Lotus rigidus Frank W. Peirson 1922-4-9 Riverside Andreas Canyon Comment
  UC555406  Lotus rigidus H. L. Mason 1928-3-11 4240 Riverside near Indio Comment
  UCR121186  Lotus salsuginosus D. E. Bramlet 1989-4-7 1812 Riverside Perris-Aguanga Basin region, south-facing slope of Bachelor Mtn., area of old mine c. 3200 ft. east of Lake Skinner Dam and 200-700 ft. north of access road 518 Comment
  UCR280995  Lotus salsuginosus Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 55 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  UCR102760  Lotus scoparius B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3583 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
  UCR213621  Lotus scoparius subsp. brevialatus A. C. Sanders, Matthew Malle 2010-4-23 37991 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JOTR29612  Lotus scoparius var. brevialatus Andre, Jim 2006-4-26 6750 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA586121  Lotus scoparius var. brevialatus D. L. Banks, S. D. Boyd 1995-4-5 0161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail 610 Comment
  UC729657  Lotus scoparius var. brevialatus Carl B. Wolf 1932-5-25 Riverside just above Fish Hatchery (n base of San Jacinto Mts.); San Jacinto Mts., Snow Creek Canyon 670 Comment
  UCR175584  Lotus scoparius var. brevialatus Jim Andre 2006-4-26 6766 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  CLARK-A1528-2806  Lotus strigosus John C. Roos 1952-4-9 5479 Riverside Riverside 259 Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  IRVC26263  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside 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 Perris-Aguanga Basin region 396 Comment
  RSA522082  Lotus strigosus Steve Boyd, T. S. Ross, Kyle Boyd 1989-6-24 3748 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA795918  Lotus strigosus Duncan S. Bell 2009-4-18 232 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  UC864293  Lotus strigosus Ira L. Wiggins 1937-3-9 8766 Riverside n of Indio Comment
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Dec 16 2011
  UCR155938  Lotus strigosus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR171907  Lotus strigosus John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  RSA125541  Lotus strigosus var. hirtellus R. Weatherby 1949-6-6 653 Riverside Mtn. spring, Santa Rosa Mtn. 1982 Comment
  RSA176229  Lotus tomentellus R. F. Thorne 1963-3-29 32383 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA480075  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2166 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  POM10288  Lotus wrangelianus Charlotte M. Wilder 1905-4-19 65 Riverside West Riverside Comment
  RSA414833  Lupinus arizonicus E. C. Jaeger 1922-4-4 715 Riverside Chuckwalla Well 244 Comment
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May 29 2011
  RSA414835  Lupinus arizonicus Freda Detmers 1931-4-2 s.n. Riverside Colorado Desert. Comment
  RSA644185  Lupinus arizonicus George K. Helmkamp 1995-3-16 s.n. Riverside Colorado Desert: below rocky slopes of Coxcomb Mtns., W of Rice Rd., 10.3 miles NE of Desert Center. 200 Comment
  UC1922391  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR18666  Lupinus arizonicus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  UCR89561  Lupinus arizonicus George K. Helmkamp 1994-3-10 42- 08 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  RSA776213  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 865 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UCR126385  Lupinus bicolor A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 695 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR139094  Lupinus bicolor Scott D. White 1997-5-18 5155 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  UCR25553  Lupinus bicolor subsp. microphyllus John C. Roos 1941-4-19 169 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA0013625  Lupinus concinnus LeRoy Gross, Duncan S. Bell 2013-4-30 6032 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
  SEINET3005001  Lupinus concinnus G. Rink 2011-4-4 10429 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  SEINET7358736  Lupinus concinnus L. Haines 1937-4-9 s.n. Riverside Pasture one mile west of San Jacinto, California;; 0 Comment
  UC15833  Lupinus concinnus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  CLARK-A1528-2827  Lupinus densiflorus subsp. lacteus John C. Roos 1937-4-17 1352 Riverside San Timoteo Canyon Comment
  LA205083  Lupinus excubitus Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  POM305372  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 646 Riverside Elsinore Temecula Comment
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA91199  Lupinus excubitus var. hallii F. W. Peirson 1922-5-18 3063 Riverside Temescal Canyon, western Riverside County 274 Comment
  RSA78781  Lupinus formosus Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17278 Riverside Just W of junction of Hwy 74 and road to Anza, south of Idyllwild 1372 Comment
  UCSB3341  Lupinus formosus DeWitt, Jack 1959-5-17 Riverside 5.1 miles S of Hemet Lake, on Hwy. 74; San Nacinto Mtns. 1280 Comment
  SEINET10937096  Lupinus formosus David B. Dunn 1947-10-9 Dunn 3534 Riverside Collected near the dry wash or shallow area about half way from the hwy to 29 Palms to hidden valley. Comment
  SBBG88097  Lupinus hirsutissimus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 167 Riverside Oasis de los Osos Preserve, off Snow Crk Cyn, 1 mi W of Snow Crk Village 487 Comment
  SD234128  Lupinus sparsiflorus Virginia Pinkus Ryder 1964-3-26 118 Riverside Palm Springs, 1 mile on Palm Canyon Road. 248 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UCR177114  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1104 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR18665  Lupinus sparsiflorus Colin Wainwright 1977-3-28 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Spring area, Little Chuckwalla Mtns 610 Comment
  RSA775338  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5022 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 732 Comment
  RSA736697  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR16262  Lupinus truncatus Kenneth Hibberd 1966-3-26 660326- 5 Riverside One half mi. south of Van Buren and 2 mi. east of Mockingbird Road, Riverside. 366 Comment
  POM292863  Lycium andersonii Lyman D. Benson 1949-3-28 13565 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UCR165293  Lycium brevipes John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  LA209699  Lycium torreyi F. M. Scott; 1924-3-24 sn Riverside Painted Canyon Comment
  POM248435  Machaeranthera asteroides Philip Grow 1939-7-3 s.n. Riverside Blythe. Comment
  RSA781414  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2011-10-22 2994 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 A 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
  SEINET3001927 Image available Malacothamnus fasciculatus subsp. laxiflorus John Minnich 1964-1 64- 2 -27-2 Riverside ''Two Trees Canyon,'' at end of Two Trees Road, near the east end of Blaine St., Riverside Comment
  RSA500205  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3539 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA561807  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR116066  Malacothrix clevelandii O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  CAS-BOT-BC347687  Malacothrix glabrata Javier Penalosa 1963-4-10 2776 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CDA20796  Malacothrix glabrata G. F. Hrusa, J. A. Hart 1993-4-4 10598 Riverside Cholla Garden, Joshua Tree N.M. Comment
  UC63261  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UCR272432  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 022 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, just west of Mission Creek, 0.8 mile northwest of the Stone House 811 Comment
  UCR270308  Malosma laurina T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8376 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR101461  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UC108278  Mammillaria dioica S. B. and W. F. Parish Apr 1882 Riverside Whitewater Colorado Desert Comment
  UC28952  Marah macrocarpa W. H. Brewer Jan, 1861 150 Riverside Temescal Mountains Comment
  UCR102750  Marah macrocarpa B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3564 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
  JOTR35347  Marina parryi Harding, Mitzi, Mark Wheeler 2012-2-28 114 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  RSA703808  Marina parryi LeRoy Gross 2005-3-3 1601 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA777763  Marina parryi Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1084 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  SEINET2063249 Image available Marina parryi B. Pitzer 1998-2-1 3444 Riverside Hayfield Dry Lake: Alluvial fan on N side of lakebed, from paved road down to lakebed. 426 Comment
  UC68511  Marina parryi H. M. Hall Apr 1905 5846 Riverside Canyon Springs Colorado Desert Comment
  UCR277801  Marina parryi A. C. Sanders, Jim Malusa 2017-1-14 42663 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  RSA180242  Marsilea vestita E. W. Lathrop 1959-4-26 4510 Riverside 14 miles west of Murrieta Comment
  UCR72820  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  RSA522297  Melia azedarach Steve Boyd 1989-7-7 3767 Riverside Upper Temescal Canyon at SE end of Alberhill Mtn. S of I-15 at Nichols Rd. exit. Comment
  RSA0121430  Melica frutescens Duncan S. Bell, LeRoy Gross 2016-3-30 9147 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SBBG119363  Melica frutescens V. Moran 2003-5-28 Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management Comment
  SEINET175791 Image available Melica frutescens M. E. Jones 1882-4-25 3554 Riverside San Jacinto Comment
  JOTR37471  Melica imperfecta Hodges, Stephen, T. Green 2016-5-24 593 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA403495  Melica imperfecta Ora M. Clark 1929-3-16 1700 Riverside San Jacinto Mountains Comment
  SBBG35009  Melica imperfecta T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  SEINET949795 Image available Melica imperfecta Mitch Provance 2003-1 9906 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 274 Comment
  UC1537223  Melica imperfecta Gordon H. True Jr. 1935-3-11 79 Riverside Box Springs 365 Comment
  UC1931139  Melica imperfecta Scott D. White, Justin Wood 2008-6-19 12274 Riverside San Jacinto Mountains: Meadows at Baldy Mountain. (Idyllwild) Comment
  UCR100314  Melica imperfecta B. G. Pitzer 1997-4-20 3170 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR22078  Melilotus indicus Steve Boyd 1980-5-3 181 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA735073  Melinis repens Scott D. White, Justin M. Wood 2007-4-16 11652 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR279332  Mentzelia A. C. Sanders, Jim Malusa 2017-3-23 42913 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  RSA0107845  Mentzelia albicaulis Duncan S. Bell, Thomas Stoughton 2010-3-19 581 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  UCR232521  Mentzelia albicaulis Dave Silverman, Onkar Singh 2010-3-27 7870 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 3.5 km SW of railroad, W of the A Canal and Levee Blvd, and c. 7 km north of Blythe Airport 135 Comment
  JEPS20770  Mentzelia involucrata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13257 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property.); Little Maria Mts. Comment
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  RSA776821  Mentzelia involucrata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1094 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  SBBG81633  Mentzelia involucrata S. A. Junak 1983-3-23 1637 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park 3 Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET3350022  Mentzelia involucrata Stephen Hale 2012-1 4820 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe 197 Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  UC872535  Mentzelia involucrata Mrs. Joe Clemens 1922-4-10 Riverside Mecca Comment
  UCR251916  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  POM14258  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-9 4914 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  JEPS41175  Mentzelia laevicaulis var. laevicaulis Carl V. Meyer June 1927 209 Riverside at foot of Idyllwild Grade Western Base of San Jacinto Mt.,Idyllwild Grade Comment
  CLARK-A1528-3168  Mentzelia micrantha John C. Roos, Lucille Roos 1952-5-19 5695 Riverside Moreno 518 Comment
  RSA92744  Mentzelia micrantha J. C. Roos 1952-5-19 5695 Riverside On hills N of Moreno. 518 Comment
  RSA689389  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  POM13713  Microseris douglasii subsp. douglasii P. A. Munz 1922-4-30 5123 Riverside Lakeview, alkali mud flat along San Jacinto River Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA0018785  Mimetanthe pilosa Anstruther Davidson 1892-7-4 s.n. Riverside San Jacinto. Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  SEINET7048215  Mimulus aurantiacus Steven R. Hill, Andrew C. Sanders 2001-5-4 33728 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters), Fallbrook 7.5' quad. Elevation 1140-1180 feet. 359 Comment
  POM70  Mimulus aurantiacus var. pubescens P. A. Munz 1917-4-27 2145 Riverside Temecula Comment
  RSA535470  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6645 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR174260  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  UCR21164  Mimulus aurantiacus var. puniceus 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
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA799276  Mimulus bigelovii var. bigelovii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 737 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  RSA527878  Mimulus brevipes Scott D. White 1991-5-10 91 -156 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UC1979601  Mimulus clevelandii D. L Banks, Steve Boyd 1995-5-17 0460 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  UCR133168  Mimulus diffusus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  RSA652819  Mimulus fremontii Colleen Callan 1992-5-2 14 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UCR108857  Mimulus fremontii Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR48527  Mimulus fremontii var. fremontii Steve Boyd 1986-4-19 1698 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  CSUSB914  Mimulus longiflorus S. L. Lackey 1973-5-15 Riverside Box Springs Mountains Box Springs Mountains, near lookout station; slopes. 914 Comment
  UCR35253  Mimulus pilosus L. B. Ziegler 1967-7-17 186 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  HSC85301  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  RSA701395  Minuartia douglasii Steve Boyd, Aydee Virgen 2004-4-13 10884 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA170154  Mirabilis albida L. B. Ziegler 1964-07 s.n. Riverside Garner Valley, San Jacinto Mts. NW of Kenworthy Ranger station. 1402 Comment
  UCR4233  Mirabilis bigelovii K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  UCR96876  Mirabilis californica Scott D. White 1993-3-12 1162 Riverside Near Winchester 466 Comment
  SFV11872  Mirabilis laevis 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
  POM293183  Mirabilis laevis var. crassifolia Lyman Benson 1946-4-15 12023 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  SD187440  Mirabilis laevis var. crassifolia Scott D. White, Angelia Carey 2004-4-16 10179 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA23262  Mirabilis laevis var. retrorsa Ernest Braunton 1940-03 2039 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA68292  Mirabilis laevis var. retrorsa Verne Grant, Alva Grant 1951-4-7 15979 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  SEINET3142120  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western base of Colorado desert 360 Comment
  POM99006  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. Comment
  RSA464620  Mirabilis multiflora var. pubescens E. A. McGregor 1963-11-6 s.n. Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  RSA0031616  Mohavea confertiflora Jim Andre 2013-3-27 24812 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA799255  Mohavea confertiflora Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 740 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCSB7452  Mohavea confertiflora Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  JOTR29181  Mollugo cerviana La Doux, Tasha 2003-9-24 1258 Riverside Joshua Tree National Park. Queen Mountain, Trail to Barker Dam (stop 1) 1296 Comment
  RSA0010771  Mollugo verticillata P. A. Munz 1919-3-25 2614 Riverside Beaumont. 610 Comment
  UCSB26224  Monardella breweri subsp. lanceolata Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwild Road, San Jacinto Mountains 1600 Comment
  SBBG71969  Monardella lanceolata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UC1499882  Monardella nana Elizabeth McClintock 1941-5-31 40 Riverside 1 1/2 to 2 miles from turn off Anza Monument on road to Coyote Canyon Comment
  UC1499897  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt., 0.6 mi les above Pines to Palms Highway Comment
  RSA249859  Monardella nana subsp. tenuiflora Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38140 Riverside San Jacinto Mountains: San Bernardino National Forest. Hill above James Reserve and Lake Fulmor. 1677 Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750297  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 106 Riverside San Jacinto Mts. A short distance beyond forks on trail to Deer Springs. Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  UCR121823  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24605 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  LA62513  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR196304  Monoptilon bellioides R. F. Thorne, M. Z. Thorne 1973-3-30 42677 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
  SEINET10800994  Monoptilon bellioides David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2912 Riverside Hill slope by quadrat 4. Pushawalla Canyon Biota. Indio Hills. Comment
  CAS-BOT-BC267022  Muhlenbergia filiformis H. M. Hall 1901-6-1 2290 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  JOTR32430  Muhlenbergia rigens La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2100 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA179515  Muhlenbergia rigens E. W. Lathrop 1959-5-17 4540 Riverside 14 miles west of Murrieta. Comment
  UCR126383  Muilla maritima A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 692 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA421111  Nama demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  RSA421116  Nama demissa Robert L. Dressler 1949-3-19 365 Riverside Box Canyon, Orocopia Mts. Comment
  UCR241518  Nama demissa A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40640 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JOTR35300  Nama demissa var. demissa Andre, Jim 2012-4-11 20797 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
  UCSB5304  Nama depressa Van Leeuwen, Henry 1957-4-13 Riverside US. 60 near juncture with Cal. 195 Comment
  RSA0108938  Nama hispida Duncan S. Bell, Amanda Bell 2012-1-28 3072 Riverside East side of the Arica Mountains; collecting along the old railroad tracks on the west side of Rice Valley, approximately 6.25 air miles south of the ghost town of Rice. 224 Comment
  SD146243  Nama stenocarpa A. C. Sanders, Mitch Provance 1999-9-26 23120 Riverside Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi S of Eden Hot Spring 433 Comment
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Oct 3 2007
  RSA601113  Nasturtium officinale A. C. Sanders, G. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18112 Riverside San Bernardino Mtns, Morongo Indian Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1098 Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  CHSC108876  Navarretia atractyloides Duncan S. Bell; Joy England 2010-5-17 1006 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA654178  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains: Twin Canyons, S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  UCR70513  Navarretia fossalis D. E. Bramlet 1991-6-20 2199 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  RSA464361  Nemacaulis denudata var. gracilis S. B. Parish 1896-04 1931 Riverside Palm Springs. Comment
  UCR176722  Nemacladus glanduliferus A. C. Sanders, K. C. Rose 1995-4-27 16735 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  SEINET10464884  Nemacladus glanduliferus var. orientalis Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 Bacigalupi 6252 Riverside Wash issuing from eastern slope of the Big Maria Mts., 0.25 mile above its debouchment into the Colorado River, 11.3 miles north of Blythe 171 Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  RSA0126339  Nemacladus longiflorus var. longiflorus Scott D. White 1991-5-10 91 -157 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UC416792  Nemacladus longiflorus var. longiflorus Fred M. Reed 1907-5-26 1367 Riverside n of Rubidoux Mt. (San Ana River banks, Riverside and vicinity); Riverside, Santa Ana River Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  RSA0126323  Nemacladus longiflorus var. longiflorus Katherine Brandegee 1905-5-12 s.n. Riverside Near Riverside. Comment
  UC1595630  Nemacladus ramosissimus Steve Boyd and Dave Bramlet 1991-5-13 6251 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s-end of Warren Rd, vicinity of ultramafic outcrop); Domenigoni Hills 548 Comment
  SEINET2081625  Nemacladus sigmoideus R. Haberle 1998-5-10 118 Riverside In Joshua Tree National Monument. Skull Rock Wash, South side ca. 1000 yards in. Comment
  JEPS22331  Nemacladus tenuis var. tenuis Peter H. Raven 1958-1-24 11449 Riverside Fargo Canyon Comment
  UCR241489  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 250 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  JOTR32184  Nicolletia occidentalis Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  SD51937  Nicotiana attenuata Reid Moran 1962-7-7 9871 Riverside On fill, by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UC1922054  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR102046  Nicotiana glauca B. G. Pitzer 1997-4-12 3126 Riverside Lakeview Mtns, Pulsar View Road, c. 1/4 mi. uphill from the base of the hills at the end of Warren Road (very short dirt road leading into hills). c. 1.3 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 549 Comment
  RSA587421  Nicotiana glauca D. L. Banks, Steve D. Boyd 1995-6-2 565 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  RSA0042856  Nicotiana obtusifolia Duncan S. Bell, LeRoy Gross 2014-3-20 6272 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA776347  Nicotiana obtusifolia Duncan S. Bell 2010-3-20 621 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC303675  Nicotiana obtusifolia S. B. Parish 1919-3-27 19200 Riverside Palm Springs; Colorado Desert Comment
  CAS-BOT-BC131883  Nolina parryi Philip A. Munz 1937-5-29 15156 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UC527226  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside rocky ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts 1676 Comment
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Mar 24 2011
  CAS-BOT-BC71172  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCSB12944  Oenothera cespitosa Dearing, Hugh; Dearing, Margaret 1938-3-5 Riverside Between Blythe and Desert Center Comment
  SEINET10492356  Oenothera chamaenerioides David B. Dunn 1946-3-17 Dunn 2095 Riverside Only plant seen. In ravine on plateau to the e of the springs and main palm group in pushawalla canyon. Indio hills. Comment
  UC1922396  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR178162  Oenothera elata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCR1514  Oenothera primiveris W. R. Moberly 1962-1-31 620131- 01 Riverside Sonoran (Colorado) Desert, 8 mi. north of Desert Center on Desert Center-Rice Road 152 Comment
  SEINET7909440  Oenothera speciosa P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  RSA444475  Olneya tesota J. C. Roos 1965-12-4 s.n. Riverside 2 miles SE of Desert Center. 366 Comment
  SBBG3753  Olneya tesota M. A. Piehl 1959-7-26 59460 Riverside US Hwy 60, 70 ca. 42 mi E of Indio Comment
  UC1494056  Oncosiphon piluliferum K. M. Kummer 1981-5-19 Riverside Box Springs Reserve Box Springs Mountain 731 Comment
  UC1929488  Oncosiphon piluliferum Steve Boyd 2003-4-30 10507 Riverside San Bernardino Basin region; Mira Loma, along Highway 60 at onramp from Etiwanda Ave. to Hwy 60 westbound. Comment
  UCR118639  Oncosiphon piluliferum O. F. Clarke 2001-4-15 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, at headquarters off Davis Rd., north of Lakeview 442 Comment
  UCR235094  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-5-27 40197 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, powerline route west of Valley Substation (on Menifee Rd.), N of McLaughlin Rd. on the E side of San Jacinto Rd 441 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCD97978  Opuntia basilaris var. basilaris William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UCR94072  Opuntia erinacea Scott D. White, D. Haselfeld 1996-7-2 4274 A 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
  RSA381559  Opuntia leucotricha A. C. Sanders, M. Bogen 1987-5-28 7105 -B Riverside Riverside; a roadside waif on fill along van Buren Blvd. Near the bridge over the Santa Ana River. at Riverside sewer plant. 244 Comment
  RSA592681  Opuntia phaeacantha Scott D. White, Duayne Haselfeld 1996-7-2 4267 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCR42628  Opuntia phaeacantha A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6464 Riverside San Jacinto Mtns., Near the mouth of Hamilton Creek Canyon, 2.6 mi. east of Anza Post Office on Hwy 371. 1220 Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  CAS-BOT-BC355580  Oreostemma alpigenum var. andersonii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  CDA42114  Orobanche cooperi Earl Asker 1956-5-14 s.n. Riverside H. & A. Ranch, 64th Ave and Grant, near Mecca. 0 Comment
  JEPS85952  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4530 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  JOTR37463  Orobanche fasciculata Hodges, Stephen, T. Green 2016-5-5 585 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UCR101466  Orobanche fasciculata A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22237 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  RSA291602  Orthocarpus purpurascens C. W. Tilforth, Walter Wisura 1979-4-11 1779 Riverside Long Canyon, in wash, Rancho California Road, east of Temecula Comment
  RSA402104  Orthocarpus purpurascens Bonnie C. Templeton 1930-4-9 1070 Riverside Moreno Grade, S.W. of Beaumont 700 Comment
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Mar 20 2011
  SDSU17529  Oxalis pes-caprae Jerry Jenkins 2001-4-2 2001 -044 Riverside Santa Margarita Ecological Reserve. Stream in side canyon west of S.M. River, UTM zone 6, 481900E, 3700200N. UTM transfered to GIS. 162 Comment
  UCR30825  Oxyria digyna Lester H. Cushman 1934-8-10 2249 Riverside San Jacinto Mtns., on San Jacinto Peak 3293 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA773106  Oxytheca trilobata Duncan S. Bell, Joy D. England 2010-6-14 1298 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UC849856  Oxytheca trilobata P. A. Munz 1922-6-25 5818 Riverside Vandeventer Flat San Jacinto Mts. 1402 Comment
  UCR102816  Paeonia californica A. C. Sanders 1997-3-19 20059 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC327895  Palafoxia arida E. A. Macgregor 1917-3-19 714 Riverside Colorado Desert. Indio Sands Comment
  POM299274  Palafoxia arida var. arida A. M. Alexander, Louise Kellogg 1941-5-12 2163 Riverside Eagle Mts., road to Black Eagle Mine. 671 Comment
  POM363748  Palafoxia arida var. arida F. R. Fosberg 1932-3-13 8093 Riverside Thousand Palms Canyon. Comment
  RSA0013750  Palafoxia arida var. arida April Garbat, Sarah J. De Groot 2013-3-27 28 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA134877  Palafoxia arida var. arida L. S. Rose 1959-1-8 59002 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  RSA21761  Palafoxia arida var. arida C. B. Wolf 1937-4-6 8433 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  UCR92427  Palafoxia arida var. arida E. R. Blakley 1993-5-20 7566 Riverside Sonoran (Colorado) Desert, W of roadside rest area at jct of Hwy 19 and road S to Wiley's Well, c. 15 mi west of city of Blythe Comment
  CLARK-A1528-275  Palafoxia linearis var. linearis Stephen J. Southwell 1971-5-7 Riverside Windy Point 304 Comment
  UCR92260  Panicum capillare Scott D. White 1995-8-23 3572 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
  CAS-BOT-BC253899  Panicum urvilleanum John Thomas Howell 1928-3-11 3442 Riverside 6 miles SE of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  UC912656  Panicum urvilleanum H. L. Mason 1928-3-10 4197 Riverside Whitewater River Comment
  POM8165  Parietaria hespera var. hespera Mary F. Spencer 1920-4-3 1620 Riverside Palm spring 152 Comment
  UCR91998  Parkinsonia aculeata Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  SBBG3284  Parkinsonia florida H. and M. Dearing 1941-4-9 4627 Riverside near Mecca Comment
  RSA381085  Paspalum dilatatum R. F. Thorne, Steve Boyd, Earl Lathorp 1985-7-18 61176 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR119804  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR108482  Pectocarya A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16192 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SD87822  Pectocarya heterocarpa Frank W. Peirson 1935-4-17 Riverside 30 miles north of Blythe in small alluvial flat along the Colorado River Comment
  UCR91438  Pectocarya linearis Scott D. White 1995-3-30 2636 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  POM72175  Pectocarya linearis subsp. ferocula Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
  UC72059  Pectocarya linearis subsp. ferocula Miss M. A. King 1893-1 Riverside Menifee Comment
  SEINET3084047 Image available Pectocarya penicillata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  JOTR31974  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2210 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  SBBG118580  Pectocarya setosa L. Gross with V. Soza 2003-5-8 826 Riverside N end of Rouse Ridge, S of the San Jacinto River, N of Rouse Hill Rd; T5S R2E S19, Center 777 Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  RSA160448  Pedicularis densiflora J. D. Olmsted 1959-4-14 374 Riverside 4 mi. SR of Oak Flat near west county line on Santiago Pk. dire rd. near top of pk. west of Santiago pk. SW towards Irvine. 1280 Comment
  SDSU13974  Pedicularis densiflora Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2105 Riverside Just north of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR190496  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR114824  Pellaea andromedifolia Mitch Provance, Seychelle Provance 1998-2-17 88 B Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR178003  Pellaea andromedifolia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  UCR97463  Pellaea mucronata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19888 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA604850  Pellaea mucronata var. mucronata Scott D. White 1995-3-30 2651 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr. 579 Comment
  RSA85120  Pellaea mucronata var. mucronata J. C. Roos 1952-5-7 5616 Riverside Box Springs Mountains, north of Canyon Crest Heights 457 Comment
  UC812405  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi nw of Elsinore 457 Comment
  NY583823  Penstemon centranthifolius R. M. Straw 1953-6-25 488 Riverside Santa Rosa Mountain road, from Palms to Pines Highway 1676.4 Comment
  NY583867  Penstemon centranthifolius H. M. Hall 1901-6-24 2267 Riverside Slopes of Fuller's Ridge, west of main peak of Mount San Jacinto, between Squirrel Creek and Salisbury's, near Box Springs. Comment
  OBI29855  Penstemon centranthifolius Melissa Luckow, Rhonda Riggins 1982-4-15 819 Riverside Pinyon Pass Rd 0.1 mi NW of hwy 74 1006 Comment
  UCR16844  Penstemon centranthifolius Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  UCR169859  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 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
  SFV17409  Penstemon clevelandii M. S. Valenzuela 1998-6-6 74 dup. Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  CAS-BOT-BC265286  Penstemon clevelandii subsp. connatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto? Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  POM11203  Penstemon labrosus Philip A. Munz 1922-7-8 6063 Riverside Head of Tahquitz Valley. 2287 Comment
  RSA402125  Penstemon labrosus Christopher Davidson 1978-6-15 7386 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UC27467  Penstemon labrosus H. M. Hall 1898-7-2 969 Riverside San Jacinto Mountains San Jacinto Mountains (Southern California) Comment
  RSA0014855  Penstemon rostriflorus Philip A. Munz, I. M. Johnston 1924-7-27 8775 Riverside Dark Canyon, San Jacinto Mts. 2439 Comment
  POM4262  Penstemon spectabilis H. M. Hall 1902-04 2923 Riverside Vicinity of Riverside 366 Comment
  NY662591  Penstemon thurberi E. C. Jaeger 1931-10-25 s.n. Riverside Two miles north of Lost Horse Mine, cross-roads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
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May 29 2011
  HSC3889  Peritoma arborea var. angustata R. K. Brennan 1966-4-9 50 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument 762 Comment
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May 5 2014
  JOTR34329  Perityle emoryi Andre, Jim 2012-4-11 20833 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SBBG54478  Perityle emoryi L. R. Abrams 1926-3-26 Riverside Palm Springs Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  SEINET188364  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 Comment
  CAS-BOT-BC167764  Petalonyx thurberi Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  RSA445157  Petalonyx thurberi Gale Sphon 1955-5-21 s.n. Riverside Dead Indian Canyon, near Palm Springs, Riverside County Comment
  RSA445167  Petalonyx thurberi N. C. Cooper 1944-5-20 2631 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  UCR84623  Petunia axillaris Scott D. White, S. Ogg 1994-4-21 1995 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
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Apr 5 2016
  RSA423799  Petunia parviflora Crawford, J. M. Johnston 1917-6-9 1230 Riverside Santa Ana River near Corona. Comment
  JOTR35339  Peucephyllum schottii Harding, Mitzi, Mark Wheeler 2012-2-28 105 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA0104411  Peucephyllum schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7742 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  UC1523403  Peucephyllum schottii Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54079 Riverside 3.2 mi n Hwy. 10 and Whitewater P.O. (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts. 609 Comment
  RSA426000  Phacelia ambigua Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Nov 26 2011
  SD6804  Phacelia brachyloba Daniel Cleveland 1881-4-15 Riverside Temecula Comment
  UCR241185  Phacelia brachyloba Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 502 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  SEINET3158082  Phacelia campanularia S. B. Parish 1907-4-16 6132 Riverside western border of the Colorado Desert 350 Comment
  RSA296753  Phacelia campanularia Lyman Benson 1945-3-29 11626 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA0121028  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-29 9110 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC672427  Phacelia campanularia subsp. campanularia Herbert L. Mason 1928-3-10 4183 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  UC24321  Phacelia campanularia subsp. vasiformis W. G. Wright 1800-1 Riverside Colorado Desert Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR148340  Phacelia crenulata John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  JEPS2305  Phacelia crenulata var. ambigua W. L. Jepson 1927-4-12 11648 Riverside Mecca Painted Canyon 76 Comment
  UCR75096  Phacelia crenulata var. ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR16722  Phacelia distans Moore, Sue 1968-5-6 5 /6/1968 Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA74954  Phacelia distans F. W. Peirson 1918-03 955 Riverside Cabazon, San Gorgonio Pass. Comment
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Mar 13 2011
  RSA781797  Phacelia distans Duncan S. Bell 2010-5-1 883 B 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
  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
  UCR258009  Phacelia distans Mitch Provance 2003-4-5 403- 02 Riverside Jurupa Mountains, Sunnyslope neighborhood, east side of Sierra Blvd., north of west end of Lauren Ln., SW of 'Noname Mtn.' 755 Comment
  RSA192355  Phacelia grandiflora H. A. Zuill 1966-6-5 197 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  POM12880  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley 1768 Comment
  UC454114  Phacelia imbricata subsp. patula I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1676 Comment
  RSA0003850  Phacelia keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  RSA509553  Phacelia minor Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  UCR152519  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR16560  Phacelia minor Dorothy Detrich 1966-5-4 23 Riverside San Jacinto Mtns, Old Banning to Idyllwild Rd 732 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
  JEPS1166  Phacelia mutabilis W. L. Jepson 1903-8-8 2309 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
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Jul 6 2010
  RSA703744  Phacelia neglecta LeRoy Gross 2005-3-3 1564 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR112131  Phacelia parryi A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21757 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  SEINET12280343  Phacelia ramosissima E. A. Purer 1935-1 6486 Riverside western edge of Colorado desert near Palm Springs Comment
  JOTR36459  Phacelia rotundifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3429 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  RSA489619  Phlox austromontana D. Charlton 1988-5-28 2113 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  CAS-BOT-BC219550  Pholisma arenarium Carl B. Wolf 1932-4-29 3120 Riverside Eastern Colorado Desert. 3 mi. So. of Rice on Blythe Road 213 Comment
  UCR241919  Pholistoma auritum A. C. Sanders, Timothy W. Chumley 2013-3-28 40699 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  UCR281528  Pholistoma auritum Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 91 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCR37464  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UCR78447  Pholistoma auritum Scott D. White 1993-4-22 1262 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  RSA459297  Pholistoma membranaceum N. C. Cooper 1944-3-25 1039 Riverside Morongo Pass. 457 Comment
  SD1137  Phoradendron bolleanum Edmund Jaeger 1925-12-4 Riverside Covington Flats, Little San Bernardino Mts. 1280 Comment
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  CAS-BOT-BC135071  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  RSA179  Phoradendron californicum J. T. Howell 1927-8-1 s.n. Riverside Morongo Pass. 610 Comment
  RSA799076  Phoradendron californicum Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6872 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA97439  Phoradendron californicum F. W. Peirson 1920-12-28 1719 Riverside Murray Canyon near Palm Springs Comment
  SFV20414  Phoradendron californicum J. R. Pucci 2004-5-9 52 Riverside San Jacinto Mountains Chino Canyon, off Tramway Road on abandoned road. 590 Comment
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA0014465  Physalis crassifolia Justin M. Wood, J. Miner 2010-4-29 1539 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  SEINET7907900  Physalis crassifolia D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to JoshuaTree Nat'l Park, S of Interstate 10 914 Comment
  UCD126795  Physalis crassifolia J. Warren 1952-4-24 s.n. Riverside Dead Indian Canon. 457 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  CAS-BOT-BC78555  Pinus coulteri James R. Shevock 1976-10-29 5365 Riverside along FS road 3S04, approximately 2 miles below Bear Springs. Santa Ana Mountains, Cleveland National Forest 914 Comment
  CAS-BOT-BC78594  Pinus flexilis Winifern W. Swarth 1914-9-10 s.n. Riverside Ridge west of Tahquitz Valley (highest point on Strawberry Valley trail), San Jacinto Mts. 2438 Comment
  IRVC2816  Pinus flexilis R. H. Whittaker, W. A. Niering 1963-6-13 SJ 466 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  UCSB70  Pinus jeffreyi Waian, Lee 1960-5-14 Riverside At the top of Black Mtn. at the Black Mtn. campground; San Jacinto Mtns., about 15 miles from Banning on road to Idyllwild 2133 Comment
  UC64555  Pinus lambertiana H. M. Hall 1902-4-16 2880 Riverside w side Tahquitz Pk.; San Jacinto Mountains 2560 Comment
  RSA651153  Pinus monophylla Peter Gail 1961-5-13 sn Riverside Pinyon Creek State Park. on Palms to Pines Hwy. Comment
  UC1134064  Pinus monophylla H. S. Yates 1937-3-24 6471 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  CAS-BOT-BC79090  Pinus quadrifolia Lester Rowntree 1937-11-6 s.n. Riverside Santa Rosa Mt., W. side Comment
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCSB41941  Pinus quadrifolia Ericson, Trudy 1974-11-9 Riverside St. 74 toward Palm Desert; about 4 1/2 mi. east of intersection with St. 71 1432 Comment
  UCR98769  Piperia elongata Scott D. White 1996-8-1 4420 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  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-A1528-3591  Pityrogramma triangularis John C. Roos 1936-11-21 Riverside La Sierra Comment
  RSA673469  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UC882308  Plagiobothrys canescens Alice Eastwood and John Thomas Howell 1937-4-24 3917 Riverside Elisnore Summit of Santa Ana Mts. Comment
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May 31 2012
  UCR181347  Plagiobothrys canescens Mitch Provance, Tracy Tennant 2003-4-5 6529 Riverside San Bernardino Valley, Fontana, Martin Tudor Park, north side of the Jurupa Mountains, west of Sierra Blvd 360 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
  SEINET272152  Plagiobothrys collinus A. C. Sanders 1997-3-1 19743 Riverside Box Springs Mtns. S end of the range along Gernert Rd (dirt) in valley drainage to Box Spring Cyn. 457 Comment
  POM368962  Plagiobothrys collinus var. californicus Ora M. Clark 1929-3-2 1605 Riverside Near Alberhill. Comment
  RSA659691  Plagiobothrys collinus var. californicus J. C. Roos 1952-2-29 5368 Riverside Reche Canyon. 457 Comment
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  SD244102  Plagiobothrys collinus var. californicus A. C. Sanders, Timothy . Chumley 2013-4-3 40769 Riverside Peninsular Range: Temescal Canyon south of Horsethief Canyon Road, off the west shoulder of I-15 fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 391 Comment
  UCR25973  Plagiobothrys collinus var. californicus John C. Roos 1952-2-29 5368 Riverside Reche Canyon 457 Comment
  RSA586126  Plagiobothrys collinus var. fulvescens D. L. Banks 1995-4-11 169 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, E of the Dripping Springs Trail. 950 Comment
  UCR260517  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7999 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR244859  Plagiobothrys jonesii Jim Andre 2012-3-19 21380 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  UCR19095  Plagiobothrys leptocladus John C. Roos 1950-3-18 4713 Riverside Perris-Aguanga Basin region, 1 mi SE of Perris 457 Comment
  UCR241410  Plagiobothrys leptocladus T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7442 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR97680  Plagiobothrys nothofulvus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19911 Riverside Lake Skinner area, ridgetop (2283 foot ridge) on north side of valley in hills east of Rawson Canyon, 1 mile south of Crown Valley. 671 Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA508002  Plagiobothrys tenellus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2306 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR121181  Plagiobothrys tenellus D. E. Bramlet 1990-4-27 1985 Riverside Rawson Canyon, 2,500 ft. (0.47 mi.) SW of Crown Valley and 500 ft. (~0.1 mi.) west of access road 640 Comment
  UCR121795  Plantago elongata A. C. Sanders, Carolyn Washburn 2001-4-17 24037 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  RSA339067  Plantago erecta Robert F. Thorne, C. W. Tilforth 1980-5-28 54243 -a Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR231759  Plantago erecta John F. Green 2008-4-23 09- 11 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA228821  Plantago major Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 603 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA776013  Plantago ovata Duncan S. Bell 2010-3-20 615 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR214427  Plantago ovata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37497 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
  SEINET9171744  Plantago ovata G. C. Wheeler, J. Wheeler 1968-4-12 s.n. Riverside Deep Canyon Desert Research Area. Comment
  RSA550350  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4638 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  JEPS83148  Plantago patagonica R. P. Allen 1935-3-25 266 Riverside Pinto Basin Comment
  UCR90372  Plantago patagonica D. L. Banks, Steve Boyd 1995-5-3 0293 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
  RSA401723B  Platanus racemosa H. de Forest, Jack Rempel 1933-10-29 18672 Riverside Snow Creek Canyon, San Bernardino Mts Comment
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Feb 9 2015
  UCSB2710  Platanus racemosa Haller, John 1950-5-20 Riverside base of San Jacinto Mtns; Hemet-Idyllwild Road; opposite Cranston Ranger Station 609 Comment
  UCR132499  Platystemon californicus Michael D. Wilcox, Nathan Moorhatch 2003-4-4 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 396 Comment
  RSA359874  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA0034947  Platystemon californicus var. crinitus Lee Haines 1951-5-20 5152 Riverside VandeVenter Flats, San Jacinto Mts. 1524 Comment
  UCR4098  Plectritis ciliosa subsp. insignis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  SEINET4142821 Image available Pleurocoronis pluriseta Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4607 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  UC604958  Pleurocoronis pluriseta Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9572 Riverside 2 mi up Painted Hills; Mecca Hills Comment
  UC35678  Pluchea sericea H. M. Hall 1901-6-1 Riverside near Palm Canyon Comment
  RSA597934  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Murray Canyon 213 Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  UCR2680  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  RSA298881  Poa secunda Frank W. Gould 1943-4-18 2153 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  LA12514  Poa secunda subsp. secunda F. M. Reed; 1908-7-10 2554 Riverside San Jacinto Mountains, Round Valley 2743 Comment
  UC777917  Poa secunda subsp. secunda Frank W. Gould 1943-4-18 2153 Riverside 1 mi w Banning; San Jacinto Mts Comment
  UCR241674  Polycarpon tetraphyllum O. F. Clarke 2010-5-28 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  JEPS50498  Polygonum amphibium var. stipulaceum Samuel B. Parish June 1882 Riverside Aguanga Comment
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Mar 9 2011
  UCR155082  Polygonum argyrocoleon A. C. Sanders, Kelly Volansky 2005-3-17 29243 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  SEINET1004376  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-1 855 Riverside San Jancito Mtn foothills; San Jacinto River E of Valle Vista just downstream from Forest Service boundry and N of CA Hwy 74. 549 Comment
  POM10481  Polygonum lapathifolium F. M. Reed 1904-11-6 s.n. Riverside River bottom at Evans Ranch, Riverside Comment
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Jul 4 2010
  UCR220308  Polygonum lapathifolium 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
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR49987  Polygonum punctatum S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SBBG94638  Polypogon monspeliensis S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  RSA652880  Polypogon monspeliensis John Wallace, Steve McNabb 1991-5-4 3 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  RSA191987  Polypogon viridis E. W. Lathrop 1964-5-24 5395 Riverside 8 miles west of Murrieta Comment
  CAS-BOT-BC102595  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  CAS-BOT-BC102605  Populus fremontii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SDSU13366  Porophyllum gracile Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 11 Riverside Santa Margarita Ecological Reserve (SDSU). 0.3 miles SW from the Northside Field Station. 262 Comment
  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
  UCR110406  Portulaca oleracea A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23175 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SEINET3220672 Image available Potamogeton nodosus P. Leary 1975-6-5 1264 Riverside In the still pool behind Barker Dam, Joshua Tree National Monument. 1280 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR140652  Potentilla glandulosa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 78 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  SBBG16213  Proboscidea althaeifolia L. Rowntree 1937-11-4 Riverside near Corn Springs Comment
  SD148117  Proboscidea louisianica subsp. louisianica Mirch Provance 2000-10-28 2282 Riverside Jurupa Mountains; Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  LA47457  Prosopis glandulosa var. torreyana Harlan Lewis; 1936-4-18 sn Riverside San Bernardino Mountains, White Water 457 Comment
  LA47464  Prosopis glandulosa var. torreyana A. M. Johnson; 1933-4-28 4205 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  UCR272191  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains, Horsethef Creek, south of Cactus Spring Trail 1064 Comment
  UC56543  Prunus fremontii H. M. Hall May, 1901 1883 Riverside about 3 mi n of Van Deventer (along the borders of Colorado Desert, eastern base of San Jacinto Mountains); San Jacinto Mountains, Colorado Desert Comment
  RSA263753  Prunus ilicifolia E. W. Lathrop 1969-5-8 7007 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA543203  Prunus ilicifolia Steve D. Boyd 1991-3-17 5482 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR16963  Prunus ilicifolia S. W. Austin 1969-5-15 40 Riverside Peninsular Range, 0.5 miles SW on dirt road, 0.5 miles SE from Glen Ivy Hot Springs (Hwy 71) 457 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  UC489194  Pseudognaphalium stramineum C. V. Meyer 1928-7-30 589 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UC468786  Pseudognaphalium thermale F. M. Reed 1907-11-10 1993 Riverside High Grove Top of Blue Mountain, High Grove 548 Comment
  RSA198968  Psilocarphus brevissimus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37436 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR202015  Psilocarphus brevissimus Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  PASA2297  Psilocarphus globiferus Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 380 Comment
  POM254726  Psilostrophe cooperi P. A. Munz 1940-3-24 15698 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
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Nov 2 2011
  UCR18939  Psoralea californica John C. Roos 1941-5-10 125 Riverside Santa Rosa Mtns, Pinyon Flats Campground 1220 Comment
  UCR41396  Psoralea macrostachya N. M. Fellows, A. C. Sanders 1985-5-7 169 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
  SD124816  Psorothamnus arborescens var. simplicifolius Scott Cantrell 1986-3-28 86 Riverside Desert Hot Springs, near Highway 62 and Indian Ave. 518 Comment
  OBI13261  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  RSA289818  Psorothamnus emoryi Barry A. Prigge 1980-9-16 4030 Riverside Colorado Desert, Coachella Valley: 3 mi. N of Pal Springs City Hall and E of Narnet. 159 Comment
  UCR165295  Psorothamnus emoryi 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
  RSA91374  Psorothamnus emoryi F. W. Peirson 1921-4-12 571 Riverside Near Indian Wells. Comment
  SD37837  Psorothamnus emoryi var. emoryi Edith A. Purer 1935-4-21 6463 Riverside In colorado Desert near Palm Springs Comment
  POM122394  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. 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
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  SD174889  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Northern Sonoran Desert: Coachella Valley; N of Agua Caliente Indian Reservation; N of Ramon St.; 3 km NW of Thousand Palms. 182 Comment
  UCR178024  Psorothamnus schottii John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC340952  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  CAS-BOT-BC421257  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 421 Comment
  RSA747566  Pterostegia drymarioides Michael Honer 2003-4-16 1825 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
  UCR241821  Pterostegia drymarioides A. C. Sanders, Timothy W. Chumley 2013-4-2 40755 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR243576  Pterostegia drymarioides Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21109 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR265828  Pterostegia drymarioides Mitch Provance 2012-5-24 512- 09 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
  UCR86856  Pterostegia drymarioides A. C. Sanders, K. C. Rose 1995-4-27 16737 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA484521  Puccinellia nuttalliana Anstruther Davidson 1904-5-1 1102 Riverside Palm Springs. Comment
  SD146003  Pulicaria paludosa A. C. Sanders, Pam MacKay, et al. 1996-11-23 19661 Riverside San Bernardino Mountains; Whitewater Canyon just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery. 534 Comment
  NY840213  Purshia tridentata var. glandulosa J. B. Walker 1996-7-22 1934 Riverside South of Palm Desert along Hwy. 74, 3km east of Pinyon Flats Campground 1200 Comment
  UC72989  Purshia tridentata var. tridentata M. F. Gilman 1904-1 36 Riverside Banning Comment
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Mar 13 2011
  UCR241234  Quercus X morehus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 458 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR92665  Quercus agrifolia Scott D. White, S. Douthit 1996-3-31 3850 Riverside Lake Skinner area, Riverside Land Conservancy conservation easement site, c. 0.5 air mi south of the reservoir, near East Benton Road 534 Comment
  SDSU13620  Quercus agrifolia var. agrifolia C. Mosse 1972-7-11 Riverside Comment
  UCR23009  Quercus berberidifolia Saul Frommer 1981-3-26 s.n. Riverside Agua Tibia Mtns, Dripping Springs on the north side of the Agua Tibia Mtns. 10.7 mi east of I-15. 488 Comment
  RSA761229  Quercus chrysolepis Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 726 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC455263  Quercus chrysolepis I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 1828 Comment
  UCR23939  Quercus cornelius-mulleri John C. Roos 1946-10-5 3114 Riverside San Bernardino Mtns., Dry Morongo Canyon 732 Comment
  CAS-BOT-BC94188  Quercus engelmannii B. Pitzer 1988-6-10 1053 Riverside Rancho California area, Carrancho Road near intersection with El Prado Road. Ca. 1/2-1 mi SE of De Luz Road Comment
  OBI74369  Quercus engelmannii David J. Keil 1983-4-15 16906 Riverside East of Temecula on SR 79 Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
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Oct 5 2017
  SBBG1334  Quercus kelloggii M. Van Rensselaer 1937-6-23 Riverside Idyllwild Inn Comment
  CAS-BOT-BC104997  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  POM12865  Quercus wislizeni var. frutescens P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  UC1523405  Rafinesquia californica Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54074 Riverside ca 3.2 mi n Whitewater P.O. and Hwy 10 (branch ravine running w from Whitewater Canyon, w of road); San Bernardino Mts., Whitewater Canyon 609 Comment
  RSA399353  Ranunculus alismifolius var. alismellus G. Hasse s.n. Riverside San Jacinto. Comment
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Jun 14 2012
  RSA199169  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37457 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  CAS-BOT-BC378984  Ranunculus aquatilis var. diffusus P. A. Munz 1922-4-28 5022 Riverside 5 mi northwest of Corona in small branch of Chino Creek 229 Comment
  RSA0013021  Ranunculus californicus LeRoy Gross, Grace Cho 2013-4-9 6006 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA198929  Ranunculus californicus Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37588 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  LA207809  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1937-8-25 97 Riverside Santa Ana Mountains, Glen Ivy Trail 342 Comment
  RSA735190  Rhamnus ilicifolia Scott D. White, Angelia Carey 2004-6-4 10463 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence w/ San Jacinto River. Uplands around former homestead area SE of creek. 579 Comment
  UCR101451  Rhamnus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR159264  Rhamnus ilicifolia A. C. Sanders, Kelly Volansky 2005-8-31 31577 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
  CAS-BOT-BC200031  Rhododendron occidentale var. californicum H. M. Hall 1901-6-1 2241 Riverside San Jacinto Mountains 1828 Comment
  POM312168  Rhododendron occidentale var. californicum N. C. Cooper 1944-6-17 1403 Riverside San Jacinto Mtns. Above Banning 1372 Comment
  RSA0122718  Rhus aromatica Duncan S. Bell, LeRoy Gross 2016-3-30 9156 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
  JOTR01103  Rhus aromatica Cole, James E. 1941-5-23 775 Riverside Joshua Tree National Park. SPLIT ROCK AREA 1280 Comment
  RSA594509  Rhus ovata D. L. Banks, Dylan Hannon 1996-5-3 996 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
  UCR16586  Rhus ovata K. S. Gill 1965-4-16 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon at the foot of Skyline Drive, south of Corona 459 Comment
  UCR178836  Rhus ovata Tracy Tennant 1998-8-28 MOR- 710 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCR230199  Rhus ovata A. C. Sanders 2011-4-6 38994 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  UCR70835  Ribes cereum var. cereum C. B. Wolf 1932-8-5 03968 Riverside San Jacinto Mtns, On trail from Tahquitz Valley to San Jacinto Peak 2805 Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA543310  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD137739  Ribes indecorum Darin L. Banks, Steve Boyd 1995-2-16 47 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Woodchuck Trail. 730 Comment
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Mar 2 2013
  UCR114805  Ribes indecorum Mitch Provance 1998-2-17 80 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  SBBG34220  Ribes malvaceum T. L. Secrest 1951-5-20 Riverside N slope of San Jacinto Mtns Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  UC11631  Ribes nevadense H. M. Hall 1901-6-1 2260 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  UC1536983  Ribes quercetorum Gordon H. True Jr. 1935-3-1 39 Riverside Gavilan Hills 548 Comment
  RSA60417  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 miles E [NW] of Idyllwild Comment
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Sep 29 2011
  UCR213500  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38409 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd., 0.2 mi. NNE (19 deg. ) of north end of Black Powder Rd. 415 Comment
  UCR158952  Rorippa curvisiliqua A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31558 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  CSUSB1438  Rorippa nasturtium-aquaticum Tom Luedtke 1970-5-2 7 Riverside Riverside; off Big springs road; 100 yards past railroad tracks; in water 365 Comment
  SD1956  Rorippa nasturtium-aquaticum Frank Stephens 1926-1 Riverside Aguanga Comment
  RSA191417  Rosa californica Robert F. Thorne, E. W. Lathrop 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi NW of Murrieta. Comment
  RSA0030906  Rubus parviflorus var. hypomalacus Norman C. Cooper 1944-6-17 2008 Riverside San Jacinto Mtns., above Banning. 1219 Comment
  RSA466040  Rumex acetosella N. C. Cooper 1944-5-6 1208 Riverside Banning. 701 Comment
  RSA507469  Rumex acetosella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, Garner ranch Property on Hwy 74, less than 1 mile SE of the jct. with Hwy 243 Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR213282  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR167978  Rumex salicifolius T. B. Salvato, John F. Green 2004-5-27 652 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
  UCR113611  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. Comment
  UCR85274  Salazaria mexicana Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  SEINET5734853 Image available Salazaria mexicana G. L. Webster, R. Hildreth 1966-1 7459 Riverside Joshua Tree National Monument, desert scrub ca. 1.5 miles north of Cottonwood Springs.; Joshua Tree National Park 945 Comment
  CAS-BOT-BC421494  Salicaceae L. Nye; G. Gust 2005-3-11 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR121804  Salicornia subterminalis A. C. Sanders, Carolyn Washburn 2001-4-17 24048 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SD229273  Salix exigua Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 894 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SD233937  Salix exigua A. C. Sanders, Kelly Volansky 2003-10-16 27341 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
  UCR101456  Salix exigua A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22224 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon 671 Comment
  UCR26527  Salix exigua A. C. Sanders, S. Hagopian 1981-5-20 2130 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  LA208625  Salix exigua var. exigua N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  SD1019  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SDSU19219  Salix exigua var. hindsiana Kristen Hasenstab, Dave Bailey 2008-8-7 188 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 3-5m from the edge of the river. 215 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
  UCR231769  Salix gooddingii John F. Green 2008-4-21 02- 05 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA0010972  Salix hindsiana John F. Emmel 1978-5-27 606 Riverside San Jacinto River bed, at SW base of the San Jacinto Mts., N of Valle Vista. 514 Comment
  RSA342545  Salix laevigata Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 Comment
  POM2044  Salix lasiolepis W. L. Jepson, H. M. Hall 1901-5-17 1307 Riverside Strawberry Valley. 1616 Comment
  POM319100  Salix lasiolepis Patricia Wilder 1971-11-11 5300 Riverside Along Santa Ana River, north off of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. Drainage Area: Santa Ana River. 229 Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR215612  Salix lasiolepis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 10 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UCR104919  Saltugilia australis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20650 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR175177  Saltugilia australis Jim Andre 2006-4-26 6762 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  SEINET3225666 Image available Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore. 460 Comment
  UC472937  Salvia apiana Mary Fiske Spencer 1914-3-1 Riverside Palm Springs; Colorado Desert Comment
  UCR11353  Salvia apiana Dennis E. Kucera 1971-6-2 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Sunnymead (now part of city of Moreno Valley) 625 Comment
  POM10094  Salvia carduacea F. M. Reed 1903-05 s.n. Riverside Pigeon Pass Comment
  SEINET2066007 Image available Salvia carduacea Howard S. Gentry 1981-6-13 23713 Riverside Between Anza and Aguanga. Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  RSA777158  Salvia columbariae Steve Boyd, S. G. Jett 2008-3-20 11828 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCD125737  Salvia columbariae A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCSB8122  Salvia columbariae Winn, Will 1963-4-8 Riverside 31.3 miles W of Desert Center; on Hwy 60-70 304 Comment
  CLARK-A1528-3118  Salvia greatae John C. Roos 1949-3-19 4101 Riverside Orocopia Mountains Comment
  UCLA70164  Salvia greatae H. M. Hall and L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert Comment
  UCLA77004  Salvia greatae W. A. Emboden 1962-1 Riverside Hidden Springs Comment
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Sep 13 2015
  JOTR30209  Salvia leucophylla Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA263765  Salvia leucophylla E. W. Lathrop 1967-4-14 6182 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. Comment
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  JOTR29143  Salvia mohavensis La Doux, Tasha 2005-6-20 1220 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Berdoo Canyon; where road/canyon turns west 1182 Comment
  CAS-BOT-BC224868  Salvia pachyphylla Victor Duran 1933-7-1 3490 Riverside Near Vandeventer Flat, Santa Rosa Mts. 1676 Comment
  UCR86855  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-27 16736 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR139619  Sambucus mexicana A. C. Sanders 2004-6-30 28383 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  CAS-BOT-BC238851  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 16 Riverside Oak Glen, San Bernardino Mountains Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 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
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  UCR142859  Sarcostemma hirtellum P. A. Munz 1949-4-12 13041 Riverside Sonoran (Colorado) Desert, near Iron Chief Mine, north end of Eagle Mtns. 793 Comment
  RSA206496  Saxifraga californica E. W. Lathrop 1969-5-8 7020 Riverside Los Alamos Canyon 1/2 mile E of San Mateo Canyon, Cleveland National Forest, Trabuco district. 518 Comment
  CHSC109029  Schismus arabicus Justin M. Wood; J. Miner 2010-4-29 1531 Riverside Coachella Valley; Bermuda Dunes; near intersection of Avenue 38 and Varner Rd. 40 Comment
  RSA758330  Schismus arabicus Doug Goldman 2005-3-3 3037 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  CAS-BOT-BC243465  Schismus barbatus John Thomas Howell 1956-3-19 31118 Riverside San Jacinto Comment
  RSA777446  Schismus barbatus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 969 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SD152982  Schismus barbatus Steve Boyd, Tim Ross 1992-2-21 6661 Riverside San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Cyn south 853 Comment
  UCSB45604  Schoenoplectus acutus var. occidentalis Roos, John; Roos, Lucille 1952-6-10 Riverside Fairmount Park, Riverside 259 Comment
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CLARK-A1528-16  Scirpus acutus C. M. Flanagan 1973-6-13 OO 712 Riverside Morongo Indian Reservation 1127 Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  OBI8388  Scrophularia californica David J. Keil, Malcolm McLeod 1977-3-26 12023 Riverside 0.7 mi W of jctn with Riverside county Rd R-3 (to Hemet) along Calif rte 79 549 Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA507950  Scrophularia californica subsp. floribunda Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  LA54496  Scutellaria mexicana Flora Murray Scott; 1928-4-1 sn Riverside Whitewater 1828 Comment
  LA55077  Scutellaria mexicana James Lauter; 1953-5-25 sn Riverside 11 mi. S of Indio-Palm Springs Highway on US Hwy 74 1219 Comment
  UCR202013  Selaginella bigelovii Mike Misenhelter 1998-7-7 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC5678  Selaginella eremophila Ivan Murray Johnston 1917-4-4 1047 Riverside Palm Canyon Comment
  SEINET4065944  Selaginella eremophila S. B. Parish 1907-1 611 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UC1495242  Selaginella eremophila Robert T. Clausen and Harold Trapido 1940-6-18 4678 Riverside near Palm Springs (mouth of Chino Canyon); Salton Sea Basin, San Jacinto Mts. 457 Comment
  CAS-BOT-BC363488  Senecio californicus Raymond Lindholm 1961-3-1 s.n. Riverside Near San Bernardino. Reche Canyon Comment