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
  CAS-BOT-BC229357  Abronia villosa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UCR163076  Abronia villosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4230 Riverside Sonoran (Colorado) Desert, c. 0.25 mi. west of Wiley's Well Rd. on south side of Hwy I-10 120 Comment
  RSA0013028  Abronia villosa var. aurita LeRoy Gross, Caitlin Elam 2013-5-14 6047 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
  RSA461192  Abronia villosa var. aurita Ora M. Clark 1929-2-22 1576 Riverside E. of Whitewater Comment
  SD247456  Abronia villosa var. aurita A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41540 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mountains: Temescal Canyon Road, SE of El Hermano Road junction (Lake Mathews 7.5'Q) 315 Comment
  UCR104178  Abronia villosa var. aurita Scott D. White 1997-5-25 5221 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  UCR35205  Abronia villosa var. pinetorum L. B. Ziegler 1966-8-25 80 Riverside San Jacinto Mtns., Hemet (Thomas/Garner) Valley 1402 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  UCR241606  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-28 40555 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA737110  Acacia redolens Justin M. Wood 2008-10-29 211 Riverside Temecula- Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC30911  Acamptopappus sphaerocephalus Samuel B. Parish 1907-4-23 6090 Riverside Western border of the Colorado desert. Palm Springs 160 Comment
  CAS-BOT-BC30909  Acamptopappus sphaerocephalus E. C. Jaeger s.n. Riverside Whitewater Comment
  RSA221045  Acer macrophyllum E. W. Lathrop 1968-5-8 6427 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  POM46953  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs. 137 Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 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 W116.66014 750 Comment
Read comments
May 22 2012
  UC1117702  Achnatherum speciosum A. A. Beetle 1946-6-10 4387 Riverside Mt. San Jacinto San Jacinto Mts., Mt. San Jacinto 762 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  CAS-BOT-BC384715  Achyronychia cooperi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CAS-BOT-BC213411  Acmispon argophyllus var. argophyllus I. M. Johnston 1920-5-8 2273 Riverside Butte west of Lakeview. Comment
  CAS-BOT-BC213470  Acmispon argophyllus var. argophyllus H. M. Hall 1902-4-1 2899 Riverside Vicinity of Sage 762 Comment
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. 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
  SDSU12918  Acmispon glaber var. brevialatus Jutta Buschbom 1991-6-1 35 Riverside Santa Margarita Ecological Reserve, Temecula: SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) from the fieldstation . Comment
  RSA0123348  Acmispon rigidus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9007 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
  SFV22080  Acmispon strigosus T. Stoughton, C. Gabriel, S. Rockwood 2011-3-29 891 Riverside San Bernardino Mountains Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. 915 Comment
  SEINET5327595  Acmispon strigosus H. M. Hall 1905-4-20 5830 Riverside Colorado Desert, lower Sonoran Zone, Mecca 61 Comment
  RSA0105949  Adenophyllum porophylloides Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  UCR174126  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32634 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 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
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  SBBG113412  Adenostoma sparsifolium D. Wilken with E. Painter 2000-11-4 15869 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA711993  Agave A. C. Sanders 1984-8-6 5166 Riverside UCR Botanical Garden. 335 Comment
  RSA696465  Agave deserti subsp. deserti J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
Read comments
Nov 7 2015
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  UCR165188  Agrostis exarata Margaret Bornyasz 2003-8-8 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near Azalea Creek, above Twin Pines Creek Drainage 1085 Comment
  SEINET10467647  Agrostis oregonensis David B. Dunn 1946-8-17 Dunn 2707 Riverside Found in dry soil of taquitz valley in the san jacinto mts. Comment
  UC489189  Agrostis scabra C. V. Meyer 1928-7-27 561 Riverside Round Valley San Jacinto Mts. 2773 Comment
  OBI26126  Aliciella latifolia subsp. latifolia David Keil 1976-12-12 11904 Riverside 5 miles E. of Indio along I-10. Larrea-Atriplex desert. Comment
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  UCR77592  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  HSC92614  Amaranthus albus J. J. Jimenez-Osornio 1986-11-6 1 Riverside Corona 186 Comment
  UCR113544  Amaranthus albus Mitch Provance 1998-6-6 698 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR108714  Amaranthus blitoides Scott D. White, Pam DeVries 1998-2-9 6075 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR116923  Amaranthus blitoides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24222 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR159260  Amaranthus californicus A. C. Sanders, Kelly Volansky 2005-8-31 31589 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
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  UC170095  Amaranthus palmeri E. E. Schellenger 1894-8-6 84 Riverside Sanch Ranch Colorado Desert Comment
Read comments
Aug 8 2010
  UCR113869  Amaranthus palmeri Mitch Provance 1998-9-5 1028 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR163092  Amaranthus palmeri B. G. Pitzer, G. R. Ballmer 2000-10-14 4226 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  UCR92618  Amaranthus palmeri Scott D. White 1995-8-18 3558 Riverside Just west of Hemet at SE margin of Lakeview Mts, north of Florida Ave. 485 Comment
  RSA772532  Ambrosia acanthicarpa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4482 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
  RSA643281  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-9-24 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
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Mar 21 2011
  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
  IRVC19740  Ambrosia dumosa J. T. Smiley 1983-4-9 19 Riverside Philip L. Boyd Deep Canyon Desert Research Center; student study area. northern Sonoran Desert Comment
  RSA760806  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 157 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  RSA761081  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 148 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  RSA766608  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 175 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UC896717  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Wells; ; as Mecca-Shafer Wells Comment
Read comments
Apr 24 2011
  UCR227439  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-3-30 109 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 Comment
  UCR227449  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-27 175 Riverside Mojave Desert, Orocopia Mountains Wilderness, SR 2013/Red Canyon Road at wilderness boundary sign 689 Comment
  UCR228399  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 157 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  CAS-BOT-BC55617  Ambrosia psilostachya W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon, Riverside Canon Comment
  UCR92772  Ambrosia psilostachya F. M. Reed 1933-10-6 8107 Riverside South Coast; San Bernardino Valley, Riverside, Chicago Ave. 280 Comment
  CAS-BOT-BC272855  Ambrosia salsola A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37434 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  JOTR34297  Ambrosia salsola Andre, Jim 2012-4-11 20707 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UC1551911  Ambrosia salsola David Charlton 1987-12-6 1095 Riverside first canyon w Whitewater (n of the 10 Freeway, n of Palm Springs, foothills of San Bernardino Mtns.); San Bernardino Mtns., Cottonwood canyon 762 Comment
  UCD128876  Ambrosia salsola Geoffrey Levin 1975-4-5 463 Riverside Junction of Ramon Road and 1000 Palms Canyon Road. Indio Hills Mountain Range, Salton Sea Basin Drainage Area. 91 Comment
  RSA680518  Amelanchier pallida Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR113991  Ammannia robusta Mitch Provance, A. C. Sanders 2000-7-4 2103 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JEPS35503  Amorpha californica var. californica C. V. Meyer 1928-7-27 569 Riverside Lower Tahquitz Valley San Jacinto Mts. Comment
  UCR162546  Amsinckia John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  RSA709852  Amsinckia intermedia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4632 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR140314  Amsinckia menziesii var. menziesii A. C. Sanders, Guy Bruyea 2004-4-2 27413 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  RSA0091471  Amsinckia tessellata Duncan S. Bell 2010-4-1 664 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA0125286  Amsinckia tessellata Duncan S. Bell 2016-3-4 8791 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
  POM184745  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1932-4-8 12220 Riverside 1 mile west of Cottonwood Springs. Comment
  UCR22136  Anagallis arvensis Steve Boyd 1980-5-17 287 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR156479  Ancistrocarphus filagineus Jason L. Hlebakos 2005-5-3 621 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCR266277  Ancistrocarphus filagineus D. E. Bramlet, Ileene Anderson 2005-4-18 3808 Riverside Hills west of Hemet-Ryan Airport, 650 m west of California Ave., 1300 m south of Hwy 74, 1100 m north of Stowe Rd. 539 Comment
  RSA92461  Ancistrocarphus filagineus J. C. Roos, L. Roos 1954-5-11 6118 Riverside Reche Canyon (Same locality as number 4773) 610 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  CAS-BOT-BC400337  Anemopsis californica Peter H. Raven; Sidney R. Snow 1956-6-30 9529 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  RSA356999  Anemopsis californica R. F. Thorne 1973-5-23 43878 Riverside Santa Rosa Plateau- Mesa de Colorado: stream N of mesa. Santa Ana Mountains 609 Comment
  SD146157  Anemopsis californica Andy C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley; Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Road., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UC4897  Anemopsis californica Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California, San Jacinto Valley Comment
  UCR37487  Anemopsis californica Steve Boyd 1981-5-8 s.n. Riverside Gavilan Springs Ranch, Gavilan Plateau Comment
  UC485645  Antennaria rosea Charlotte M. Wilder 1909-8-3 1110 Riverside Whitewater Basin San Bernardino Mts., Whitewater Basin Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  RSA395356  Antirrhinum coulterianum Steve D. Boyd 1986-4-22 1742 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  SD143717  Antirrhinum coulterianum Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek drainage, dry slopes above Brown Crk. 915 Comment
  UC64222  Antirrhinum coulterianum H. M. Hall 1900-1 579 Riverside vicinity Riverside (Gavilan Mts); Gavilan Mts., Riverside 457 Comment
  UCR87622  Antirrhinum coulterianum A. C. Sanders 1994-5-30 14615 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA4885  Antirrhinum filipes Carl B. Wolf 1932-4-27 3001 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR158132  Antirrhinum kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30100 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
  UC1929409  Antirrhinum nuttallianum Scott D. White 2004-4-26 10259 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  UCR100701  Antirrhinum nuttallianum Scott D. White 1997-5-25 5251 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR174169  Antirrhinum nuttallianum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32577 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
  UCR89851  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3310 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA66494  Arabis perennans F. W. Peirson 1933-4-15 10656 Riverside Steep South slope of Whitewater Canyon, head of Coachella Valley. 701 Comment
  RSA134779  Arabis pulchra A. Martin s.n. Riverside Riverside Comment
  UC1329977  Arabis pulchra James E. Cole 1941-4-10 516 Riverside Twin Tanks Joshua Tree National Monument Comment
  UCR207369  Araujia sericifera O. F. Clarke 2008-8-11 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA629437  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19531 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  UCR273497  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42603 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  RSA526501  Arctostaphylos glandulosa subsp. adamsii Steve Boyd, T. S. Ross 1990-5-11 4696 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SD217272  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6655 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness; lower half of Tenaja Canyon especially about Fisherman/s Camp Comment
  RSA629427  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16843 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UC876553  Arctostaphylos glandulosa subsp. zacaensis I. W. Clokey and E. G. Anderson 1935-4-16 6788 Riverside Hemet 900 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA631785  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19258 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632226  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4094 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  RSA632251  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4092 Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
Read comments
May 16 2016
  UC63819  Arctostaphylos glauca H. M. Hall May 1897 518 Riverside at lower altitudes and on Juniper Hill San Jacinto Mountains Comment
  RSA633523  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22512 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633543  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22669 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633590  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22522 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA748159  Arctostaphylos pringlei subsp. drupacea K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 15 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  UC21840  Arctostaphylos pungens H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1584 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA559377  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19490 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636176  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19477 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180717  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 398 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  CAS-BOT-BC207123  Argythamnia lanceolata Lewis S. Rose 1959-1-8 59001 Riverside La Quinta 15 Comment
  CAS-BOT-BC137664  Aristida adscensionis S. B. Parish 1912-10-8 8274 Riverside Salton Basin. New Schoolhouse, Indio. -6 Comment
  RSA704197  Aristida adscensionis Gary D. Wallace 1982-5-15 1995 Riverside Palms to Pines Highway, 7 level hill. Comment
  UCR264232  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-9-10 41859 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR74393  Aristida adscensionis Theo Glenn 1991-5-2 91- 18 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR74394  Aristida adscensionis Theo Glenn 1991-4-30 91- 65 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCSB36482  Aristida adscensionis Gordon, Patricia 1980-3-9 Riverside Box canyon, 6 mi SE of Mecca on CA 195 60 Comment
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May 27 2009
  SEINET10971745  Aristida adscensionis David B. Dunn 1946-3-15 Dunn 2035 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria. With palms at the springs in the canyon. Comment
  SEINET5336066  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside Marshall Canon, 10 mi. W of Coachella, lower Sonoran Zone 30 Comment
  UCD56348  Aristida californica John Thomas Howell 1928-3-11 3443 Riverside Colorado Desert, 6 miles SE of Garnet Station. 152 Comment
  UCR24427  Aristida purpurea var. parishii John C. Roos 1941-8-2 s.n. Riverside San Jacinto Mtns., east of Hemet, on the road to Idyllwild 762 Comment
  UCR196387  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR138554  Artemisia dracunculus Steve Boyd, D. E. Bramlet 1988-10-8 2880 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  RSA417354  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 700 Comment
  RSA779726  Asclepias albicans Duncan S. Bell 2009-3-8 94 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SEINET3081968 Image available Asclepias albicans Andrew C. Sanders, Charlton, Pitzer, Stewart, et al. 1986-3-2 6060 Riverside Graham Pass, between the Chuckwalla and Little Chuckwalla Mountains. 503 Comment
  UC22959  Asclepias californica H. M. Hall June 1901 2159 Riverside Vandeventer Flat San Jacinto Mountains 1432 Comment
  UCR24889  Asclepias eriocarpa A. C. Sanders 1981-7-22 01743 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  SD122939  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Rosa Plateau, Northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8SO1 and 8SO2 Comment
  RSA784783  Asclepias subulata Duncan S. Bell 2012-3-18 3187 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
  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
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  POM12717  Aster alpigenus var. andersonii Philip A. Munz 1922-7-6 5997 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  JEPS54530  Astragalus aridus S. B. Parish 1913-2-28 8467 Riverside Salton Sink , Salton Sink (Mecca) 60 Comment
  RSA782074  Astragalus aridus Duncan S. Bell 2009-3-9 111 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SEINET10957005  Astragalus deanei Greg Gust, Leith Nye 2005-3-10 Gust 532 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  CAS-BOT-BC182324  Astragalus didymocarpus var. didymocarpus H. M. Hall 1897-3-13 388 Riverside Elsinore Lake Comment
  RSA800102  Astragalus didymocarpus var. dispermus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4771 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  RSA605941  Astragalus douglasii var. douglasii R. S. Woglum 1941-6-12 3060 a Riverside Idyllwild. Comment
  UC1128784  Astragalus douglasii var. parishii H. S. Yates 1937-6-27 6717 Riverside near Idlewild; San Jacinto Quad., near Idlewild Comment
  UCR201474  Astragalus douglasii var. parishii Scott D. White, Justin M. Wood 2008-6-5 12079 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  RSA321311  Astragalus filipes L. B. Ziegler 1972-5-17 457 Riverside San Jacinto Mtns. Hemet (Garner) Valley. 1418 Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  RSA779769  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-1 676 Riverside Arica Mountains: east side of the mountain range; west side of Rice Valley; approximately 4 miles south of the ghost town of Rice; along an unmaintained road that at some point was used for access to the ATSF railway. 237 Comment
  LA204980  Astragalus lentiginosus var. coachellae Harlan Lewis; 1937-3-7 sn Riverside White Water 304 Comment
  LA204981  Astragalus lentiginosus var. coachellae Carl Epling; 1937-3-27 sn Riverside Thousand Palms Comment
  RSA707349  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 09 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  RSA792601  Astragalus lentiginosus var. coachellae Naomi Fraga, Michael Wall 2010-4-29 3334 Riverside Snow Creek [Gorgonio River], near Gorgonio Pass just south of I-10 and Hwy 111. 357 Comment
  POM250336  Astragalus lentiginosus var. coachellae I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA500086  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  POM305801  Astragalus pomonensis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1058 Riverside Elsinore. Comment
  RSA12908  Astragalus pomonensis C. B. Wolf 1935-4-7 6298 Riverside 1 mile W of Val Verde in the Gavilan region. 488 Comment
  RSA711117  Astragalus pomonensis M. Wall, Lucille Wall 2006-3-17 411 Riverside East Hemet Valle Vista area off of Cedar Avenue off of Mountain 509 Comment
  UC718549  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside 1 mi w Val Verde (Gavilan Hills Region); , w of Val Verde 487 Comment
  CAS-BOT-BC193171  Astragalus sabulonum Lewis S. Rose 1937-4-10 37154 Riverside 3 mi. SE. of Indio 15 Comment
  JOTR35434  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows, J. Hoines 2013-4-24 40 Riverside Joshua Tree National Park. Little San Bernardino Mtns; foothillls SW of Quail Mtn and W of Juniper Flats. (stop1) 1499 Comment
  SJSU12733  Athyrium filix-femina var. cyclosorum C. W. Sharsmith 1945-8-28 5451 Riverside by Indian Creek W side Mt. San Jacinto 1828 Comment
  RSA615121  Athysanus pusillus A. C. Sanders, George K. Helmkamp 1997-3-15 19934 Riverside Lake Skinner area, hill E of Skinner Lake at NW end of Tucalota Hills. 518 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
  RSA418188  Atrichoseris platyphylla Anstruther Davidson 1922-03 3483 Riverside Mecca Comment
  RSA480071  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UC1595685  Atrichoseris platyphylla W. Wisura, J. Dolan, and C. Demme 1992-4-13 4687 Riverside 10.5 mi s of prison (Wileys Well Rd.) Comment
  UC68978  Atrichoseris platyphylla H. M. Hall Apr 1905 5854 Riverside Canon Springs, Colorado Desert Colorado Desert Comment
  SD174864  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of junction Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  CAS-BOT-BC170202  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway siding), 4 1/2 mi SE of Mecca, Colorado Desert. 60 Comment
  LA36248  Atriplex canescens var. laciniata Chas. Lowe Jr.; 1941-10-19 sn Riverside 3 mi. W of Ripley Comment
  CAS-BOT-BC168530  Atriplex confertifolia D. Bramlet 1991-6-1 2182 Riverside 1.4 km. west of Nuevo and some 10 m. south of the end of 12th Street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  SD174863  Atriplex coronata var. notatior Mark A. Elvin 2005-5-24 4316 Riverside Southern Coastal: Perris; east of I-215; south of San Jacinto River; northwest corner of jct Ellis Avenue and first road east of I-215. Perris 7.5' quad. 427 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  UCSB18446  Atriplex hymenelytra Winn, Will 1963-2-23 Riverside 3 mi S of of Ave 56 and [Coachella] All American Canal 9 Comment
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Jun 6 2013
  JEPS90677  Atriplex pacifica D. Bramlet 1991-5-8 2132 Riverside 5.8 km w of Hemet (some 330 m sw of intersection of Florida and Warren, some 8 m w of Warren Road, across from Auto Boulevard) 500 Comment
  UCSB60201  Atriplex pacifica Bramlet, D. 1991-4-29 Riverside 6.5 km. W of Hemet, 600 m. S and W of the intersection of Warren and Florida 457 Comment
  SD229127  Atriplex polycarpa Dick Schwenkmeyer 2012-11-6 870 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  SEINET4135517  Atriplex polycarpa Faulkner 1978-3-21 339 Riverside 9 miles N of Blythe on Hwy 95.; 0 152 Comment
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR274527  Atriplex suberecta Mitch Provance, Ken Halama 2003-6-15 17056 A Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  SD146319  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, and T. Salvato. 1999-10-15 23181 Riverside San Jacinto Valley; Mystic Lake, 1.0 mile west of Jackrabbit Trail on Gilman Springs Road, 0.4 mile west of Quail Lake Golf Course entrance. 436 Comment
  UC871650  Ayenia compacta B. D. Stark 1933-5-13 4984 Riverside about 50 ft above stream bed; Andreas Canyon 762 Comment
  CAS-BOT-BC98783  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  RSA0062663  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. Elsinore. Comment
  SEINET10617172  Baccharis emoryi David B. Dunn 1946-3-17 Dunn 2104 Riverside In dry portion of sandy wash of Pushawalla Canyon. Indio Hills. Comment
  UCR94240  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  JEPS21296  Baccharis salicifolia subsp. salicifolia W. L. Jepson Oct 22 1912-Nov 7 1912 5266 Riverside Palo Verde Valley Colorado River, Palo Verde Valley 45 Comment
  UCR260060  Baccharis sarothroides Jim Malusa, A. C. Sanders 2015-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chocolate Mountains, north end of the range c. 2 miles SE of Tabaseca Tank, c. 1.5 miles west of Gasline Rd., US Navy Chocolate Mountains Aerial Gunnery Range 671 Comment
  CAS-BOT-BC99866  Baccharis sergiloides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1528-1085  Baccharis viminea Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  CAS-BOT-BC295892  Bahiopsis parishii Munz; Street 1919-5-7 2722 Riverside Colorado Desert. Tahquitz Canon [Canyon], Palm Springs Comment
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  RSA1081  Bahiopsis parishii J. T. Howell 1927-4-1 527 Riverside Mission Creek, Colorado Desert 610 Comment
  CAS-BOT-BC99954  Baileya pauciradiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  SD227726  Baileya pauciradiata Scott D. White 1998-4-15 6295 Riverside La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel.Degraded dunes N of Miles Ave. and W of Washington St. 29 Comment
  RSA28087  Baileya pleniradiata I. L. Wiggins 1941-3-27 9684 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA38415  Baileya pleniradiata Philip A. Munz 1946-10-21 11596 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA220990  Barbarea orthoceras E. W. Lathrop 1966-3-23 6118 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  RSA741015  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-6-18 12232 Riverside K Flat Meadow. 1433 Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  POM122201  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR251338  Bebbia juncea S. J. Myers 2014-5-21 1057 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  UCR92620  Bebbia juncea Scott D. White 1995-8-23 3568 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  LA203070  Bebbia juncea var. aspera A. M. Johnson; 1933-4-28 4239 Riverside Indian Wells highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  LA203071  Bebbia juncea var. aspera Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  UC1280787  Berberis aquifolium var. dictyota H. E. McMinn 1935-6-27 4076 Riverside Arthut Gilman's Ranch Banning Comment
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Dec 13 2011
  SEINET893005  Bergia texana John C. Roos 1952-1 5730 Riverside San Jacinto river bottomland 1 mile southeast of Perris. 426 Comment
  UCD110427  Bergia texana D. E. Bramlet; A. C. Sanders, M. Costea, T. Salvato 1999-10-15 2819 Riverside Mystic Lake. This site is 198m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit trail. 433 Comment
  RSA479264  Bernardia incana Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1249 Comment
  RSA736760  Bidens laevis Scott D. White, Lynn Stafford 2007-6-27 11752 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  SEINET3884830  Bloomeria crocea Steve Boyd, Timothy S. Ross 1990-5-11 4617 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79.; 0 549 Comment
  CAS-BOT-BC16092  Boechera californica J. F. Emmel 1969-6-25 170 Riverside San Jacinto Mountains. Idyllwild, between Double View Drive and Middle Ridge Drive on fire trail. Comment
  LA90280  Boechera parishii Arnold Menke; 1955-4-28 sn Riverside Hemet Valley, S side of road Comment
  CAS-BOT-BC14159  Boechera perennans Mrs. Wilder 1907-4-1 s.n. Riverside Palm Springs. Wester side of the Colorado Desert. Comment
  CAS-BOT-BC506668  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert: Desert Center, S of I-10 at the Eagle Mountain Road jct 361 Comment
  CLARK-A1528-965  Boerhavia erecta var. intermedia Charlotte Stocks 1966-8-24 Riverside 853 Comment
  JOTR29195  Boerhavia intermedia La Doux, Tasha 2005-9-8 1307 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  SD185258  Boerhavia spicata B. G. Pitzer 1999-9-2 4022 Riverside Eastern Mojave Desert, Granite Mountsains, UC Sweeney Grantite Mtns. Desert Res. Center, NE end of Granite Cove, White Fang Wash, 1220 Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SEINET3228130  Boerhavia wrightii G. Rink 2012-9-1 11653 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  UCR20797  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, S. D. Boyd 1980-5-19 1473 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  UCR94964  Bolboschoenus maritimus subsp. paludosus Scott D. White 1996-9-22 4536 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  UCR142039  Bothriochloa barbinodis Mike Misenhelter 2004-10-1 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns, Bronson property (around triangular pond seen on topo), c. 3.5 miles SW of Temecula near Santa Margarita River 427 Comment
  UCR23964  Bothriochloa barbinodis John C. Roos 1946-9-14 3027 Riverside Santa Rosa Mtns, E of Pinyon Flats 1159 Comment
  UCR30058  Bouteloua aristidoides George K. Helmkamp 1983-4-5 483- 36 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  CLARK-A1528-4516  Bouteloua curtipendula John C. Roos 1958-9-28 Riverside San Jacinto Mountains Comment
  SEINET12798918  Bowlesia incana A. C. Sanders 2005-1 29848 Riverside Alt: 625m/2050ft. Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 635 Comment
  RSA394242  Brandegea bigelovii N. C. Cooper 1944-5-20 2644 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  SBBG32373  Brandegea bigelovii L. S. Rose 1967-12-21 67187 Riverside 2 mi S of Palm Desert 60 Comment
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Jun 29 2013
  UC604848  Brandegea bigelovii Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi from Cottonwood Springs (n end of Pinto Basin); Pinto Basin Comment
  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
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  JOTR33999  Brassica tournefortii La Doux, Tasha, M. Harding 2010-4-7 2887 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA775337  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5023 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR113202  Brassica tournefortii A. C. Sanders 1998-3-11 21691 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north side of Diamond Valley, along high water road of reservoir under construction 549 Comment
  UCR41335  Brassica tournefortii N. M. Fellows 1985-3-3 82 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  UC64839  Brickellia californica E. A. Zumbro 1904-1-1 420 Riverside Cold Water Canon Santa Ana Mts. Comment
  POM308537  Brickellia incana Henry J. Ramsey, Henry J. Ramsey 1939-10-1 3158 Riverside East of Indio. Comment
  SEINET10389830  Brickellia incana A. C. Sanders, Jim Malusa 2015-9-10 41848 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR191208  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 930 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  UCR217655  Brodiaea santarosae Karyn L. Drennen, Ana Hernandez 2010-5-12 014 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  RSA740234  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside Johnson Meadow. 1439 Comment
  CAS-BOT-BC221150  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37794 Riverside Peninsula Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SD132493  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside City of Riverside; in yard at 422 Campus View Drive; beside vegetable garden in right-of-way behind house Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  UCD59232  Bromus carinatus var. marginatus Peter Kamb 1948-7-3 1140 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR20874  Bromus hallii A. C. Sanders 1978-7-3 875 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  RSA556456  Bromus hordeaceus subsp. molliformis Julie Greene 1993-4-30 1263 Riverside San Jacinto Wildlife Area. North of San Jacinto River drainage. 433 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  RSA772131  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4864 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
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  RSA191396  Bromus rubens E. W. Lathrop, Robert F. Thorne 1967-9-26 6657 Riverside 6 miles NW of Murrieta. 610 Comment
  LA13846  Bromus tectorum Victor Duran; 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild 1676 Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 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
  CLARK-A1528-4559  Bromus trinii John C. Roos 1962-3-24 Riverside Whitewater Canyon Comment
  UCR59350  Buddleja officinalis David A. Young 1969-3-21 437 Riverside 3 mi. west of Elsinore on dirt road north of Highway 71, 500 yards off the highway. 244 Comment
  UC750624  Caesalpinia virgata Lewis S. Rose 1946-12-23 46301 Riverside Cathedral Canyon Wash 182 Comment
  UCR153427  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Southern Colorado Desert, Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry 76 Comment
  RSA466553  Calandrinia ciliata Jeannette B. Edge 1934-3-18 s.n. Riverside [San] Timoteo Canyon. 518 Comment
  UCR137481  Calandrinia ciliata D. L. Banks 1997-3-16 1543 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  NY409594  Callitriche marginata R. F. Thorne 1969-5-12 37926 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California 624.8 Comment
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  POM12732  Calochortus concolor Philip A. Munz 1922-6-30 5917 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  POM13073  Calochortus concolor E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  CAS-BOT-BC483420  Calochortus invenustus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR119822  Calochortus plummerae Mitch Provance 1998-6-24 750 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  RSA586800  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR215621  Calochortus splendens Crystal Sheehan 2010-5-10 47 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
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  SEINET197558  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles northeast of Cottonwood Springs. 853 Comment
  JEPS30622  Calycoseris wrightii Donald Kyhos 1958-2-15 58 -10 Riverside se of Desert Center (Corn Springs Wash); Chuckawalla Mts., Corn Springs Comment
  SD208204  Calyptridium monospermum Michael G. Simpson, Jamie Hall, et al. 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mile north of junction with Pacific Coast Trail, ca. 0.9 mile northeast of Tahquitz Peak. 2454 Comment
  UC729873  Calyptridium monospermum Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Peak, summit San Jacinto Peak; San Jacinto Mountains, San Jacinto Peak 3293 Comment
  UCR172759  Calystegia macrostegia Abby Sirulnik, Ian G. Gillespie 2000-5-14 48 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCR187502  Calystegia macrostegia Theresa Johnson 2006-3-31 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  UCR108936  Calystegia macrostegia subsp. arida Scott D. White 1997-5-18 5168 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  UCR241182  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 10 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA449956  Camissonia bistorta J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  SEINET7072829  Camissonia bistorta A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR148311  Camissonia brevipes 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
  UCR148440  Camissonia brevipes John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA775814  Camissonia brevipes subsp. brevipes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 838 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  RSA180409  Camissonia californica E. W. Lathrop 1965-5-30 5774 Riverside 6 miles W of Murrieta. Comment
  RSA466170  Camissonia californica M. B. Dunkle 1933-3-5 3075 Riverside Colorado Desert, Palm Springs. 91 Comment
  RSA454727  Camissonia campestris H. de Forest, Rempel 1934-4-14 19809 Riverside San Gorgonio Pass. 602 Comment
  RSA139363  Camissonia cardiophylla Thomas W. Whitaker 1958-4-30 s.n. Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  RSA454737  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Painted Canyon. Colorado Desert. 30 Comment
  IRVC27410  Camissonia claviformis T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 53 Riverside 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal Coachella Valley 9 Comment
  UCR148482  Camissonia claviformis John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA449190  Camissonia claviformis subsp. aurantiaca Howard Mullins 1931-4-11 s.n. Riverside Palm Springs (3 miles no.) Comment
  RSA574744  Camissonia graciliflora Steve Boyd 1981-3-31 s.n. Riverside Gavilan Hills region, south end of Harford Springs County Park on the Gavilan Plateau, just north of Ida-Leona Road. 610 Comment
  UCR52588  Camissonia hirtella Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mtns., Hw 243, 1-2 mi below Mt. Edna turnoff Comment
  UCR93034  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA525452  Camissonia ignota Steve Boyd, Dave Bramlet 1990-4-29 4497 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA736315  Camissonia intermedia Scott D. White, Justin M. Wood 2008-3-25 11778 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SEINET244295  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden E side of the campus 396 Comment
  UCR256752  Camissonia micrantha T. B. Salvato, Matthew Malle 2013-4-5 7527 Riverside Perris-Aguanga Basin, Sedco Hills, east-facing slope above the intersection of Green Meadow Way and Beverly Street, c. 5 mi east of Lake Elsinore 579 Comment
  RSA770290  Camissonia pallida Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4750 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65131 604 Comment
  UCR102209  Camissonia pallida A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19674 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  UCR213765  Camissonia pallida Scott D. White, Justin M. Wood 2009-4-28 12609 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  RSA458838  Camissonia pallida subsp. pallida N. R. Zabriskie, Walter Zabriskie 1973-4-3 603 Riverside ''Poor-will Canyon'' (T5S, R4E, NE1/4 Sec 3), Palm Canyon drainage, E slope San Jacinto Mtns. 427 Comment
  RSA134343  Camissonia refracta K. K. Muller 1958-3-22 913 Riverside Scattered on gravelly slopes of Orocopia Mts. across Highway 70 from S. entrance to Joshua Tree National Monument. Comment
  UCR90326  Camissonia refracta Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR201453  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-5 12080 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR256910  Camissonia strigulosa Naomi Fraga, Duncan S. Bell 2009-5-6 2706 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  UCD103439  Camissoniopsis bistorta A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23881 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UCSB40002  Camissoniopsis bistorta Sauls, Mary 1978-4-15 Riverside 0.5 miles south of Glen Eden Road on Calif. Hwy 71 Comment
  SD155438  Camissoniopsis micrantha Craig Reiser 2001-3-20 Riverside Temecula, ca. 100 yards south of Pauba Road and ca. 300 yards west of Margarita Road. Comment
  JOTR34475  Camissoniopsis pallida Andre, Jim 2012-4-16 20945 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  UCR243519  Camissoniopsis pallida subsp. hallii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21090 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  UCR158639  Cardamine californica S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  SEINET238999  Carduus pycnocephalus Unknown 1972-5-11 Riverside Box Springs Mtns.: Highgrove National Orange Co. property beyond E end of Palmyrita Ave. (San Bernardino South 7.5' Q.) 412 Comment
  RSA526160  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 4663 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
  POM259192  Carex douglasii Phillip A. Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2317 Comment
  SBBG34204  Carex multicaulis T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  UC729874  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside summit San Jacinto Peak; San Jacinto Mts. 3293 Comment
  RSA0125109  Carex praegracilis Duncan S. Bell 2016-10-27 10203 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA180454  Carex praegracilis E. W. Lathrop 1959-5-17 4547 Riverside 10 miles W of Murrieta. Comment
  SEINET7572154 Image available Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn, Bachelor Mt 7.5' Q. 445 Comment
  UCR256091  Carex sartwelliana LeRoy Gross, Caitlin Elam 2013-5-21 6105 Riverside Peninsular Range; San Jacinto Mtns., west edge of Pine Cove, between Pine Cove and Red Hill Road/5S10 1784 Comment
  POM259176  Carex subfusca Phillip A. Munz 1938-8-13 15322 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR29121  Carex subfusca A. C. Sanders, S. D. Boyd 1980-5-19 1502 Riverside San Jacinto Mountains, Garner Valley. Herkey Creek where it crosses the road on the south side of Herkey Creek County Park. 1326 Comment
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Sep 10 2011
  RSA783581  Castela emoryi M. Wall, Valentin Arvizu 2011-6-1 605 Riverside ENE of Desert Center, plants near a power line maintenance road ca. 3.0 miles SE of junction with Rice Rd. (Hwy. 177) 181 Comment
  UCR213468  Castilleja affinis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37836 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  SDSU14181  Castilleja affinis subsp. affinis Martin M. Lane, M. G. Simpson 2002-4-20 8 Riverside At Santa Margrita River Ecological Reserve about 1/8 mile Nothreast of Northside Field Station on the loop trail, approximately 100 yards from the river over look. 341 Comment
  RSA104099  Castilleja angustifolia A. M. Alexander, Louise Kellogg 1941-5-7 2131 Riverside 12 miles southwest of 29 Palms 1311 Comment
  UC494747  Castilleja angustifolia Philip A. Munz and C. L. Hitchcock 1932-4-9 12225 Riverside White Tanks; e Riverside County Comment
  UCR39547  Castilleja applegatei A. C. Sanders 1980-7-18 1664 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  POM12217  Castilleja applegatei subsp. martinii Mary F. Spencer 1921-7-1 1669 Riverside Idyllwild. 1616 Comment
  RSA448699  Castilleja applegatei subsp. martinii M. B. Dunkle 1933-7-19 3672 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  RSA769646  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  UCR113851  Castilleja exserta Mitch Provance 2000-5-5 2013 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  RSA0080320  Castilleja exserta subsp. exserta Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7360 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  RSA113256  Castilleja foliolosa E. K. Balls 1955-4-4 20431 Riverside Chaparral, Ortega Hwy. 11 mi. ne. from Orange-Riverside Co. line, San Capistrano to Elsinore. 579 Comment
  RSA757618  Castilleja foliolosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4340 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  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
  UC64209  Castilleja minor subsp. spiralis H. M. Hall 1897-6-4 Riverside Riverside Comment
  UCR164574  Castilleja minor subsp. spiralis S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA0010917  Castilleja minor subsp. spiralis Mary F. Spencer 1923-1 2262 Riverside Idyllwild 1037 Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  CAS-BOT-BC41088  Caulanthus hallii Lewis S. Rose 1937-4-9 37122 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  CAS-BOT-BC41089  Caulanthus hallii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway. Mount San Jacinto. Comment
  CAS-BOT-BC41104  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3978 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, east of USFS Dripping Springs Guard Station. 609 Comment
  RSA524403  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4093 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  CAS-BOT-BC40269  Caulanthus lasiophyllus P. A. Munz; L. F. Street 1919-5-7 2739 Riverside Tahquitz Canyon. 228 Comment
  SBBG122768  Caulanthus simulans A. Parikh 1990-4-27 160 Riverside SW of Crown Valley, W or Rawson Cyn, 1.9 km SW of jct of Crown Valley Rd and Rawson Rd 730 Comment
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  UC455343  Ceanothus cordulatus I. J. Condit 1910-6-23 Riverside San Jacinto Mt. 2743 Comment
  RSA651874  Ceanothus crassifolius Carol Zuck 1981-2-16 41 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  SDSU10234  Ceanothus crassifolius Leslie D. Hickson 1992-3-9 09 III92A Riverside About 2.0 miles W oof Temecula, on Rancho California Rd. Found on the SW corner of Rancho California and Via Santa Rosa, ca. 100 ft off road. 475 Comment
  UC2015596  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  UCR92707  Ceanothus crassifolius A. C. Sanders, O. F. Clarke 1996-4-13 18030 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  RSA575060  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -e Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR22043  Ceanothus cuneatus Steve Boyd 1980-5-22 300 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UC79962  Ceanothus leucodermis C. F. B. 1903-4-4 4144 Riverside Elsinore Comment
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Feb 2 2013
  POM254875  Ceanothus oliganthus W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA221012  Ceanothus oliganthus E. W. Lathrop 1966-4-28 6221 Riverside 4 mi. west of Corona between Tin mine Canyon and Santiago Peak, Skyline Drive. Comment
  RSA262095  Ceanothus oliganthus E. W. Lathrop 1971-3-24 7467 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA0025535  Ceanothus oliganthus var. sorediatus John F. Emmel 1992-4-11 1202 Riverside Riverbed of South Fork San Jacinto River, 0.3 air mi NW of confluence of Dry Creek and San Jacinto River. 738 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR93033  Ceanothus ophiochilus Steve Boyd, T. S. Ross 1993-3-23 7890 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn., Agua Tibia Wilderness area, Cleveland National Forest, along trail extending S from end of Woodchuck Rd. 671 Comment
  RSA761995  Ceanothus palmeri Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 Comment
  RSA0019591  Ceanothus palmeri J. D. Olmsted 1959-9-23 s.n. Riverside Flat on NW side of Idyllwild-Banning Rd. halfway up grade south of Dark Canyon Creek crossing. San Jacinto Mountains, North Fork San Jacino River drainage area. 1799 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  UCR199619  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  RSA391499  Centaurium venustum N. C. Cooper 1947-4-5 2096 Riverside Los Alamos Canyon, [Lake] Elsinore. 762 Comment
  UC729471  Centaurium venustum Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UCR218076  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Santa Ana Mountains, Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  JEPS106969  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 3 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  UCR217565  Centromadia pungens subsp. laevis Jeff B. Galvin 2008-5-23 49 Riverside Gavilan Plateau, Harford Springs County Park. 800 m east of Gavilan Road, near dirt trail 600 Comment
  UCR253358  Centromadia pungens subsp. laevis Ana Hernandez, Karyn L. Drennen 2013-5-7 045 Riverside Perris Aguanga Basin, Salt Creek, 75 meters south of Olive Avenue, 50 meters east of Rice Road 438 Comment
  UCR281838  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-8-12 17- 384 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  RSA586862  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-5-3 0281 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD224910  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. O.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  CAS-BOT-BC400158  Ceratophyllum demersum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38146 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  POM17506  Ceratophyllum demersum P. A. Munz 1923-6-18 7136 Riverside Temecula Canyon Comment
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  CAS-BOT-BC143891  Cercocarpus betuloides var. betuloides Steve Boyd; Orlando Mistretta 1992-4-22 7005 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  SD137639  Cercocarpus minutiflorus Darin L. Banks, Steve Boyd 1995-3-16 109 Riverside Cleveland National Forst, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 625 Comment
  CAS-BOT-BC279438  Chaenactis Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  CAS-BOT-BC279536  Chaenactis artemisiifolia John Thomas Howell 1930-5-10 4810 Riverside 6 miles ne. of Aguanga Comment
  CAS-BOT-BC279538  Chaenactis artemisiifolia A. J. McC. 1892-4-1 s.n. Riverside Near Elsinore Comment
  CLARK-A1045-284  Chaenactis artemisiifolia George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains middle of road to Oak Spring off San Jacinto Ridge Road; ; Lake Fulmor 7.5'Q 1066 Comment
  CAS-BOT-BC276403  Chaenactis carphoclinia M. Bourell; R. Patterson 1987-4-14 3269 Riverside Spur N of Box Canyon Highway 195, BLM Conservation Area 150 Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR245952  Chaenactis carphoclinia Duncan S. Bell 2009-3-7 13 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCSB58178  Chaenactis carphoclinia Charlton, David 1988-2-18 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10; 1 mi. E of Jct. Dillon Rd. and Fargo Cyn. Rd. 609 Comment
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  JEPS8864  Chaenactis carphoclinia var. carphoclinia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1357 Riverside Palm Canon and return to Van Deventer's Palm Canon 914 Comment
  POM13309  Chaenactis carphoclinia var. carphoclinia E. C. Jaeger 1921-3-20 1073 Riverside Box Canyon, Colorado Desert. Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  UCR234247  Chaenactis glabriuscula A. C. Sanders, T. B. Salvato 2012-4-27 40093 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCSB6427  Chaenactis glabriuscula Waian, Lee 1960-5-14 Riverside San Jacinto Mtns.; 8 miles from Banning on road to Idyllwild 1066 Comment
  HSC85397  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA1551  Chaenactis glabriuscula var. glabriuscula J. T. Howell 1928-7-9 1067 Riverside San Juan Canon Rd., Elsinore Mts. 610 Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC1483912  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth and B. Busenberg 1979-5-18 1800 Riverside ca. 3 1/2 air mi s of Banning (at turn-off to Mt. Edna, small canyon along Hiway 243) Comment
  UC1563121  Chaenactis glabriuscula var. lanosa Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 487 Comment
  CAS-BOT-BC284340  Chaenactis stevioides A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37430 Riverside SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Road, Sonoran (Colorado) Desert 170 Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  UCD20144  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -11 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR275463  Chaenactis stevioides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR93838  Chaetopappa aurea 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
  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
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  RSA502926  Chamaesyce polycarpa Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA433503B  Chamaesyce polycarpa Martha Hilend 1928-4-8 165 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA655403  Chamaesyce polycarpa var. polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet: Eastside Reservoir site, at N foot of eastern dam, E end of ''North Hills'', ca. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  JOTR30084  Chamaesyce setiloba La Doux, Tasha, Bill Truesdell 2006-10-3 1905 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  CAS-BOT-BC70031  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Hwy. 74, c. 2 mi. up water service road, below crossing; Santa Rosa Mountains, north slope 1310 Comment
  JOTR35481  Cheilanthes covillei La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3169 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA685714  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacino Mts. Comment
  CAS-BOT-BC70294  Cheilanthes newberryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle Mountains Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  CAS-BOT-BC70329  Cheilanthes parryi Munz; Street; Williams 1919-3-25 2325 Riverside Palm Canyon 243 Comment
  CAS-BOT-BC70334  Cheilanthes parryi Ira L. Wiggins 1938-3-25 8924 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  POM281108  Cheilanthes viscida Lyman Benson 1946-4-15 12031 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  UCR242672  Chenopodium A. C. Sanders 2013-7-6 40837 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
  UCD97783  Chenopodium album C. W. Tilforth 1968-3-11 138 a Riverside Western end of Tallac Knoll, LASCA, Arcadia. Comment
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Sep 7 2013
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA516754  Chenopodium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  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
  UCR126942  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  UCR113606  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Riverside, railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding 335 Comment
  UCR278870  Chenopodium missouriense Mitch Provance 2012-11-10 17600 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  LA204149  Chilopsis linearis subsp. arcuata Norman C. Cooper; 1944-7-15 1548 Riverside Palm Springs 121 Comment
  RSA736305  Chloris truncata Scott D. White, Justin M. Wood 2008-5-13 11952 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  UCR167413  Chorizanthe brevicornu John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  POM122108  Chorizanthe brevicornu var. brevicornu Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA25154  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring. Comment
  SD21515  Chorizanthe brevicornu var. brevicornu Frank F. Gander 1938-5-21 5758 Riverside Shaver's Summit Comment
  SEINET3132312  Chorizanthe brevicornu var. brevicornu G. B. Grant 1906-5-1 173 a-6715 Riverside Colorado Desert at Palm Springs Comment
  UC218056  Chorizanthe brevicornu var. brevicornu P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4859 Riverside vicinity Corn Springs (Chuckwalla Mountains, Colorado Desert); Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR116990  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR238217  Chorizanthe coriacea Mark A. Elvin 2005-5-24 4320 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  RSA65184  Chorizanthe corrugata F. W. Peirson 1926-2-22 6509 Riverside Thousand-Palms Canyon. 152 Comment
  UCR138573  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1447 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR215794  Chorizanthe parryi var. parryi Anuja Parikh 1990-4-27 161 Riverside southwest of Crown Valley, west of Rawson Canyon, 1.7 km southwest of the intersection of Crown Valley Road and Rawson Road 666 Comment
  UCR216949  Chorizanthe parryi var. parryi Kim Sparks, Karyn L. Drennen, Ana Hernandez 2010-3-18 6 Riverside Perris-Aguanga Basin, French Valley, Warm Springs. ~75m NNW of La Alba Dr. 427 Comment
  UCR78331  Chorizanthe parryi var. parryi D. E. Bramlet 1993-5-5 2341 Riverside Lake Matthews, Ridgeline above Dawson Canyon, 670 m north of the canyon. 732 m east of the existing landfill weigh station 439 Comment
  RSA562431  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd and Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  RSA0121420  Chorizanthe rigida Duncan S. Bell, LeRoy Gross 2016-3-31 9191 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UC178671  Chorizanthe xanti var. leucotheca M. E. Jones 1903-5-11 Riverside Whitewater Comment
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Apr 6 2007
  CLARK-A1656-874  Chrysothamnus nauseosus subsp. bernardinus Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2590 Comment
  POM295621  Chrysothamnus paniculatus Lyman Benson 1955-1-8 15403 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
  POM243560  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  POM295631  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15087 Riverside White Tanks, Joshua Tree National Monument, 915 Comment
  UCSB4394  Chylismia brevipes Long, Frances 1939-12-31 Riverside Salton Sea Comment
  RSA0121174  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, LeRoy Gross 2016-3-30 9176 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UC19967  Chylismia cardiophylla subsp. cardiophylla S. B. Parish Apr 4 1896-Apr 13 1896 4118 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  CAS-BOT-BC160585  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-15 11847 Riverside Box Canyon 4.5 miles east of turn of Painted Canyon Comment
  CAS-BOT-BC160590  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside 20 miles north of Indio Comment
  CAS-BOT-BC160595  Chylismia claviformis subsp. aurantiaca Jeanne Janish; Carl Janish 1953-7-1 1029 Riverside Idyllwild Comment
  JOTR34374  Chylismia claviformis subsp. aurantiaca Andre, Jim 2012-4-16 20894 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  POM14082  Cistanthe monandra P. A. Munz, D. Keck 1922-4-14 4980 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  POM48733  Cistanthe monandra P. A. Munz, I. M. Johnston 1924-7-29 8825 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA523472  Cistanthe monandra Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR174552  Clarkia purpurea Jennifer H. Jones 2006-6-6 404 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR201619  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  SD152802  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Tim Ross 1992-5-5 7219 Riverside South Santa Ana Mountains, San Mateo Canyon Wilderness area. Oak flats area East of Verdugo Potrero. 730 Comment
  RSA764122  Clarkia rhomboidea L. M. Prince, Duncan S. Bell 2009-6-17 579 Riverside Cleveland National Forest Comment
  RSA771878  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  CAS-BOT-BC165496  Clarkia unguiculata E. H. Daniels; J. Bates 1932-5-28 s.n. Riverside Near Idyllwild, San Jacinto Mountains 1524 Comment
  RSA0013703  Claytonia LeRoy Gross, Grace Cho 2013-4-9 5999 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
  CHSC109027  Claytonia parviflora Duncan S. Bell; Joy England 2010-5-17 1003 Riverside insular ranges; San Jacino Mountains regions: San Bernardino National Forest: Rouse rrdge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potentail habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  RSA612490  Claytonia parviflora D. L. Banks 1997-2-23 1327 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA769770  Claytonia parviflora Duncan S. Bell, J. D. England 2010-5-17 1003 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  RSA469298  Claytonia parviflora subsp. parviflora Robert L. Rutherford 1945-6-17 1670 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA741160  Claytonia parviflora subsp. parviflora Scott D. White, Justin M. Wood 2008-5-15 11996 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR104916  Claytonia parviflora subsp. parviflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20634 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
  POM307264  Claytonia parviflora subsp. tenuifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2122 Riverside [Unspecified] Comment
  SD73606  Claytonia parviflora subsp. viridis Helen V. Witham 1970-5-1 857 Riverside Dry slope Bautista Canyon, southeast of Hemet 800 Comment
  UC218122  Claytonia parviflora subsp. viridis P. A. Munz 1922-6-30 5910 Riverside Santa Rosa; Santa Rosa Mts. 1981 Comment
  RSA511345  Claytonia perfoliata subsp. perfoliata B. Pitzer, E. Misquez 1988-3-20 672 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  UCR216397  Claytonia perfoliata subsp. perfoliata Mike Bell 2008-3-30 024 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SD143771  Clematis lasiantha A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20675 Riverside San Jacinto Mountains: N side of range, 0.2 mi. N of Twin Pines Ranch Road. On the dirt road to Brown Crk and Cabazon 1098 Comment
  RSA752814  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. 1402 Comment
  SD137655  Clematis pauciflora Darin L. Banks, Steve Boyd 1995-3-16 93 Riverside Cleveland national forest, Agua tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  SD80140  Clematis pauciflora Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 367 Riverside Deep Canyon south of Hwy 74, ca. 2 mi up water service road, below crossing; north slope Santa Rosa Mountains. 1310 Comment
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  JEPS45522  Coleogyne ramosissima W. L. Jepson 1928-4-25 12623 Riverside w of Pinto Basin (White Tank, n Colorado Desert); Colorado Desert 1371 Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  RSA0018455  Collinsia concolor Keith E. Hoffmaster 1937-6-6 773 Riverside San Jacinto Mountains. Comment
  RSA0117415  Collinsia concolor Walter Wisura 1987-5-21 4154 Riverside This is a voucher from the living collection at the RSA. Living collection no. 15579, 7.8 mi. from Hwy. 243 along old Idyllwild road. Comment
  RSA0117462  Collinsia concolor F. W. Peirson 1921-5-19 3040 Riverside Rocky slope not far from floor of Hemet Valley. 1341 Comment
  UCR92231  Collinsia heterophylla D. L. Banks, Steve Boyd 1995-5-3 0263 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
  RSA554247  Colubrina californica Theo Glenn 1991-5-14 91 -46 Riverside W side of Little Maria Mountains, NW of Blythe. 309 Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  CAS-BOT-BC216024  Convolvulus Steve Boyd 1986-5-1 1787 Riverside Hill W of Skunk Hollow, Skunk Hollow vernal pool, Southwestern Perris Basin Comment
  RSA557372  Convolvulus arvensis Julie Greene, Scott D. White, B. Greene 1993-7-5 1395 Riverside San Jacinto Wildlife Area, On raised wet area, west of dirt road. 445 Comment
  UCR158854  Convolvulus arvensis Scott D. White 1994-6-23 2093 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UC2029931  Convolvulus simulans Steve Boyd 2001-4-12 10405 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. Comment
  UCR92353  Conyza bonariensis Scott D. White, S. Ogg 1994-10-17 2462 .2 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA612848  Conyza bonariensis D. L. Banks 1997-3-1 1368 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC1746494  Conyza floribunda A. C. Sanders, Mitch Provance, T. Salvato, O. F. Clarke 1999-10-5 23134 Riverside E edge of UCR campus; Riverside; new O.F. Clarke residence on Frost Court (former Al Boyce residence), E edge of UCR campus 354 Comment
  POM48905  Cordylanthus nevinii Philip A. Munz, I. M. Johnston 1924-7-27 8755 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  LA99061  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UCSB6469  Corethrogyne filaginifolia Kamb, Peter 1949-10-30 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR138821  Coronopus didymus D. L. Banks 1997-2-23 1296 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  POM13566A  Crassula aquatica P. A. Munz 1922-9-6 6381 -A Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  UCR220125  Crassula aquatica D. E. Bramlet 1992-4-3 2204 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  CAS-BOT-BC427780  Crassula connata A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR167077  Crassula connata Scott D. White 2005-3-29 10844 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA701544  Crassula tillaea Steve Boyd, Aydee Virgen 2004-4-13 10844 Riverside Elsinore Peak area, along trail heading from road up to communications towers towards ''Onion Hill'' to the southeast. 994 Comment
  SBBG118801  Crocanthemum scoparium S. D. White 1999-11-12 7629 Riverside Murrietta area, corner of Nutmeg and Clinton Keith; T7S R3W S4 410 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  SEINET12221365  Crossosoma bigelovii Unknown 1959-1 75 Riverside along road to Morongo Valley 8 mi N of US 99, Morongo Wash Comment
  SD229136  Croton californicus Dick Schwenkmeyer 2012-10-16 933 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR139648  Croton setiger A. C. Sanders 2004-6-30 28385 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
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CAS-BOT-BC189259  Cryptantha John H. Thomas 1957-3-29 6516 Riverside Between Banning and Cabazon, about 2 miles E of Banning near railroad tracks 609 Comment
  JOTR33681  Cryptantha angustifolia La Doux, Tasha, Bill Truesdell 2004-3-11 1077 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  RSA0026164  Cryptantha angustifolia Marc Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17710 Riverside Palo Verde Mesa, 14 kilometers SW of Blythe, 6 kilometers ENE of north end of the Mule Mountains. Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  SEINET3083593 Image available Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi. W. Desert Center on US 60-70. 274 Comment
  UC1539722  Cryptantha angustifolia Chas. B. Fiker 1946-4-17 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC857056  Cryptantha angustifolia Lewis S. Rose 1938-2-1 38007 Riverside 10 mi e Desert Center 30 Comment
  UC857065  Cryptantha angustifolia Alice Eastwood 1913-4-30 Riverside Palm Springs Comment
  UCR89569  Cryptantha angustifolia George K. Helmkamp 1994-3-10 42 11 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
  POM368287  Cryptantha barbigera Robert Gustafson 1980-4-3 1525 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1563064  Cryptantha barbigera Steve Boyd, Thomas S. Elias, and Erika Winter 1986-2-18 1330 Riverside Box Canyon, along Hwy 195 Colorado Desert, Mecca Hills Comment
  CAS-BOT-BC218859  Cryptantha costata Lewis S. Rose 1936-12-29 36834 Riverside Desert sand hills, La Quinta 0 Comment
  UC169356  Cryptantha costata S. B. Parish 1913-2-28 8465 Riverside ne of Mecca; Salton Basin -60 Comment
  UCR232396  Cryptantha costata Dave Silverman 2010-3-23 7819 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well 128 Comment
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  RSA741564  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-6-16 12144 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR138586  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
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May 31 2011
  UCR91393  Cryptantha intermedia Scott D. White 1995-4-5 2710 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  POM9602  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  SEINET6971906  Cryptantha intermedia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  RSA499628  Cryptantha maritima Robert Gustafson 1980-4-3 1526 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA776338  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 817 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA777542  Cryptantha maritima Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 902 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SBBG87841  Cryptantha maritima A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UCR226794  Cryptantha maritima Jim Andre 2011-2-9 15916 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  GMDRC2051  Cryptantha micrantha var. lepida J. Andre 2006-4-26 6769 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 1116.44661164471 deg. 43681' W. Elev. 44661 ft. 1325 Comment
  RSA771752  Cryptantha micrantha var. micrantha Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4629 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA526080  Cryptantha micromeres Steve Boyd, Timothy S. Ross 1990-5-11 4653 B 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
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  RSA650981  Cryptantha microstachys Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA797509  Cryptantha microstachys C. P. Cowan 1978-4-25 1272 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  UCR241245  Cryptantha microstachys Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 503 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UC1979540  Cryptantha muricata Darin L. Banks, Steve Boyd 1995-5-3 217 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UC729470  Cryptantha muricata Carl B. Wolf 1932-8-6 Riverside 2.9 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  UC24725  Cryptantha pterocarya W. G. Wright 1889-1 1764 Riverside Colorado Desert Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  UCR279373  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2017-3-24 42954 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0079289  Cryptantha pterocarya var. pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  VVC2460  Cryptantha pterocarya var. pterocarya Tim Thomas 2013-3-18 5942 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  UCR214870  Cryptantha pterocarya var. stenoloba A. C. Sanders 2010-3-15 37401 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  SBBG6272  Cryptantha racemosa H. and M. Dearing 1942-3-10 4826 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  UCR243509  Cryptantha racemosa Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UC1178519  Cryptantha simulans Peter Kamb 1948-7-4 1178 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 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
  SDSU16680  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  CAS-BOT-BC224609  Cuscuta californica var. papillosa Lewis S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash Comment
  RSA544313  Cuscuta ceanothi Steve Boyd 1991-7-13 6420 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UC1540437  Cuscuta denticulata Carl B. Wolf 1932-10-11 4282 Riverside Morongo Wash; at the Bernardino County line 731 Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  UCR261156  Cycloloma atriplicifolium A. C. Sanders, Katie Young, John Hale 2015-4-22 41592 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  CAS-BOT-BC56142  Cylindropuntia californica var. californica L. R. Abrams 1908-7-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR117348  Cylindropuntia californica var. californica Mitch Provance 1998-3-22 282 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA0034401  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 087 Riverside Corn Springs, north side of Chuckwalla Mountains, 12 km SSE of Desert Center, 85km east of Indio, 67km west Blythe. 500 Comment
  SEINET5624454 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 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
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  RSA522099  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3792 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA544303  Cyperus eragrostis Steve Boyd 1991-7-13 6408 Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  SEINET7582457 Image available Cyperus odoratus Mary F. Spencer 1921-7-16 1688 Riverside Soboba Hot Springs near San Jacinto. 579 Comment
  RSA751278  Cystopteris fragilis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35646 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR241544  Dalea mollis A. C. Sanders, Ann Howald 2013-2-27 40540 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  RSA356644  Datisca glomerata R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47299 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA741265  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  CAS-BOT-BC131039  Deinandra paniculata A. C. Sanders; T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA736380  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-1 11921 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UC1787311  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 533 Comment
  UC50192  Deinandra paniculata H. M. Hall May 17 1901-Jun 1 1901 1801 Riverside San Jacinto Mtns. Comment
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Oct 29 2011
  SEINET238578  Delphinium parishii George K. Helmkamp 1998-6-27 4116 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  UCR16947  Delphinium parishii D. H. Wilken 1966-3-26 770 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  CAS-BOT-BC7987  Delphinium parishii subsp. parishii Philip Alexander Munz; Percy C. Everett 1952-5-2 16240 Riverside Morongo Wash, n.w. end of Coachella Valley 457 Comment
  UCR231736  Delphinium parryi John F. Green 2008-4-23 08- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  SD127345  Dendromecon rigida Reid Moran 1969-10-25 16663 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  JEPS53423  Descurainia incisa subsp. incisa Carl V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat Comment
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Jul 3 2010
  JEPS10814  Descurainia obtusa subsp. adenophora H. M. Hall Jun 1901 2152 Riverside Vandeventer Flat; San Jacinto Mountains 1371 Comment
  UC64338  Descurainia pinnata subsp. menziesii H. M. Hall 1895-3-10 70 Riverside near Riverside (Fairmount Hill); Fairmount Hill Comment
  RSA34557  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-6-17 1441 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA501050  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3170 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CDA4516  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  CLARK-A1528-2155  Dicoria canescens John C. Roos 1956-12-15 6605 Riverside Palm Springs 243 Comment
  SEINET3004922  Dicoria canescens G. Rink 2010-10-4 10340 -a Riverside Seven miles west of Blythe, sand dunes 152 Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  SBBG34515  Dieteria canescens D. Myrick 1969-10-20 2127 Riverside near Mt San Jacinto College, San Jacinto 487 Comment
  RSA736172  Dimorphotheca sinuata Scott D. White, Justin M. Wood 2008-3-25 11776 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA0019281  Diplacus brevipes Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  SEINET270935  Diplacus fremontii Richard J. Shaw 1958-1 1095 Riverside Joshua Tree National Monument; Main highway approximately 10 miles from White Tank Campground. Comment
  SD186337  Diplacus puniceus Andy C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA751356  Diplotaxis erucoides Steve Morgan 1998-3-18 s.n. Riverside weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  CDA7874  Dipsacus sativus Kurt Cambell 2006-6-15 s.n. Riverside Northwest corner of Moraga Road and Rancho California Road, Temecula. Comment
  RSA562484  Distichlis spicata Steve Boyd, Timothy S. Ross 1992-5-5 7252 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
  SBBG104034  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St and Devonshire Ave, 0.75 mi NE of the intersection of Florida Ave (Hwy 74) and Warren Rd Comment
  UCR126932  Distichlis spicata Julie A. Greene, James C. Dice 1993-6-25 1380 Riverside San Jacinto Valley, San Jacinto Wildlife Area, sloping drainage from Davis Road 436 Comment
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCD64341  Distichlis spicata var. nana A. A. Beetle 1944-4-26 1992 Riverside Near Murietta. Comment
  UCD64340  Distichlis stricta A. A. Beetle 1942-4-22 3177 Riverside Beside Salton Sea. Comment
  LA204868  Ditaxis lanceolata Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  UCR119343  Ditaxis lanceolata B. G. Pitzer 2000-5-7 4136 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA421751  Ditaxis neomexicana Robert L. Dressler 1951-11-22 1190 Riverside 6 mi. E. of Desert Center. Comment
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Apr 5 2011
  UCR264215  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2015-9-10 41853 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA278985  Dithyrea californica B. A. Prigge, L. Martinez 1978-3-23 2434 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA530740  Dithyrea californica B. C. Templeton, I. W. Clokey 1930-4-9 1075 Riverside Palm Springs Station; Colorado Desert 400 Comment
  SEINET1004371  Dithyrea californica Natham Moorhatch 2005-1 Riverside Western Sonoran (Colorado) Desert: Coachella Valley, E. edge of Santa Rosa Mtns., La Quinta, W of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 18 Comment
  POM2180  Dodecahema leptoceras J. D. Abrams 1901-05 3901 Riverside Elsinore. Comment
  UCR2902  Dodecatheon clevelandii Paul W. White 1963-4-30 43063- 01 Riverside Murrieta 2 miles out [west] of Murrieta on Tenaja Road 549 Comment
  POM9555  Dodecatheon clevelandii P. A. Munz, Harwood 1920-2-28 3230 Riverside 2 mi. southwest of Corona. 305 Comment
  UCR60627  Downingia bella R. F. Thorne 1973-5-23 43845 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SD73462  Downingia cuspidata E. W. Lathrop Unknown 7100 Riverside 6.0 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau. Comment
  SEINET10702753  Downingia cuspidata Robert F. Thorne, Earl W. Lathrop 1969-6-6 Thorne 39314 a Riverside Rancho California, Mesa De Colorado. 625 Comment
  LA204322  Draba corrugata Martha Hilend; 1928-8-7 sn Riverside Summit- San Jacinto Peak Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  UCR264471  Dryopteris arguta S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1075 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  POM93029  Dudleya lanceolata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  RSA772141  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4973 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA791724  Dudleya saxosa subsp. aloides R. F. Thorne 1995-3-29 63016 Riverside White Water Canyon. 600 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
  RSA0125231  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4484 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  RSA0125253  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4488 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCR59234  Echinochloa crus-galli Jeri Hirshberg 1989-7-20 s.n. Riverside Diamond Valley, south of Newport Road, near Searl Ranch. Comment
  UCR92731  Echinochloa crus-galli A. C. Sanders 1994-7-27 15166 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  RSA0086967  Echinochloa crus-galli var. zelayensis H. de Forest, Jack Rumpel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 548 Comment
  UC2029921  Ehrharta calycina Scott D. White, Tasha LaDoux 20 Apr 2000 7691 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. 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
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR94488  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  SDSU12981  Eleocharis montevidensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2019 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM46954  Eleocharis montevidensis var. montevidensis Mary F. Spencer 1918-3-27 s.n. Riverside Palm Springs. 137 Comment
  RSA180419  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1964-5-24 5244 Riverside 8 miles west of Murrieta Comment
  RSA741220  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-5 12087 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  SEINET245300 Image available Eleusine indica Mitch Provance 2000-10-28 2268 Riverside Jurupa Mountains; City of Fontana, Mary Vagl Nature Center. 335 Comment
  RSA179495  Elyhordeum macounii E. W. Lathrop 1960-6-7 4855 Riverside 14 miles west of Murrieta Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  RSA619571  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR75542  Elymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  RSA401467A  Emmenanthe penduliflora Jeannette B. Edge 1934-4-22 18917 Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA554406  Emmenanthe penduliflora Theo Glenn 1991-4-9 91 -3 Riverside Big wash in Eagle Mountains 787 Comment
  SEINET270931  Emmenanthe penduliflora Richard J. Shaw 1958-5-10 1108 Riverside Juniper Flat approximately 7 miles from Palm Desert. 1219 Comment
  UC1537546  Emmenanthe penduliflora Gordon H. True Jr. 1935-3-11 65 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR103920  Emmenanthe penduliflora B. G. Pitzer 1997-4-11 3116 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  JOTR34048  Emmenanthe penduliflora var. penduliflora La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2948 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  CAS-BOT-BC131164  Encelia actoni C. B. Wolf 1931-10-14 2458 Riverside Roadside at [Cabozon] Cabazon, San Gorgonio Pass 518 Comment
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  POM11524  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  UC219584  Encelia actoni P. A. Munz 1922-7-3 5961 Riverside road from Santa Rosa to Vandeventer; Santa Rosa Mts. 1676 Comment
  GMDRC5809  Encelia farinosa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24400 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  HSC84144  Encelia farinosa Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtns.; 1 mi. up Bee Canyon off of Hwy. 74 457 Comment
  JOTR31866  Encelia farinosa La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2120 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA696887  Encelia farinosa L. C. Hull 1934-2-18 s.n. Riverside Desert near Palm Canyon. Comment
  UCR138831  Encelia farinosa D. L. Banks 1997-4-5 1669 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  CAS-BOT-BC131413  Encelia frutescens John Thomas Howell 1928-3-24 3511 Riverside Near Palm Wash, 35 miles south of Indio, Colorado Desert Comment
  CAS-BOT-BC81548  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  PASA1867  Ephedra californica R. E. Merrill Riverside Palm Canyon Comment
  LA206179  Epilobium canum Norman C. Cooper; 1943-9-11 922 Riverside San Jacinto Mountains, below Idlewild ([dyllwild] 1371 Comment
  UCR106921  Epilobium canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  RSA758488  Epilobium canum subsp. canum M. Wall 2009-12-4 549 Riverside Bautista Canyon SE of Hemet, along Bautista Canyon Rd. ca. 6.2 miles SE of jct. with Fairview Ave. 779 Comment
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  UCR25050  Epilobium densiflorum A. C. Sanders 1981-7-22 1742 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  UCR25051  Epilobium glaberrimum A. C. Sanders 1980-8-23 1749 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  SDSU13490  Equisetum laevigatum Shasta Gaughen, M. G. Simpson 2000-5-19 7 Riverside Ca. 25 yards west of river crossing below North Side Field Station, Santa Margarita Ecological Reserve. 229 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCD63458  Eragrostis mexicana F. M. Reed 1927-11-20 5680 Riverside Riverside and vicinity. Comment
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May 1 2011
  UCR26521  Eragrostis pectinacea var. pectinacea A. C. Sanders, S. Hagopian 1981-5-20 2154 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  CSUSB1449  Eremalche exilis Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  POM306731  Eremalche rotundifolia Henry J. Ramsey, Henry J. Ramsey 1938-4-26 I- 7 -II Riverside West of blythe. Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  RSA747716  Eremalche rotundifolia Justin M. Wood 2009-3-26 396 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SJSU5748  Eremalche rotundifolia R. C. McGehee 1970-4-15 192 Riverside Wiley Well, 26 mi SE of Blythe Comment
  JOTR35345  Eremothera refracta Harding, Mitzi, Mark Wheeler 2012-2-28 112 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  LA106802  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1940-7-21 sn Riverside Santa Rosa Mountains, near Santa Rosa Springs Comment
  UCR126227  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-7-4 116 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  CDA11960  Eriastrum densifolium subsp. elongatum G. F. Hrusa 1993-6-24 11239 Riverside Southern California; Along Hwy 371 ~5 m. N of Jtn w/Hwy 79. Comment
  UCSB44669  Eriastrum densifolium subsp. mohavense D. Hibbard 1977-5-16 42 Riverside NW SIDE OF CA HWY 72 (11.8 MI FROM JCT WITH HWY L11) 1036 Comment
  UCR199829  Eriastrum eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11280 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC514452  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2789 b Riverside Palm Canyon Road to Palm Springs Comment
  RSA0121320  Eriastrum eremicum subsp. eremicum T. W. Minthorn 1926-5-14 s.n. Riverside East of Banning. Comment
  UCR120305  Eriastrum filifolium Mitch Provance 1997-5-18 1089 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  UC774165  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  UCR1202  Eriastrum sapphirinum Carol Chaney 1960-5-5 s.n. Riverside Banning, 0.1 mi. on San Gorgonio Ave., from intersection of San Gorgonio Ave. and Wesley St. On slopes of hill to right of road Comment
  UCR55269  Eriastrum sapphirinum Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  VVC373  Eriastrum sapphirinum A. C. Sanders, J. Mac 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  SD137688  Eriastrum sapphirinum subsp. dasyanthum Darin L. Banks, Victor Steinmann 1995-7-10 753 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail south of lower Arroyo Seco, northnorthwest of Wildhorse Peak. 609 Comment
  JOTR31240  Ericameria cuneata var. spathulata Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROAD TO PROSPECT 1/2 MILE NORTH OF SPLIT ROCK Comment
  RSA772850  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4841 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  POM10310  Ericameria palmeri var. pachylepis Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  CAS-BOT-BC299537  Ericameria paniculata Lewis S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass Comment
  RSA606372  Ericameria parishii Jon E. Keeley, J. T. Rothrock 1992-11-11 22534 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  POM10311  Ericameria pinifolia Charlotte M. Wilder 1904-09 386 Riverside W Riverside Comment
  POM10328  Ericameria pinifolia P. A. Munz, R. D. Harwood 1907-09 s.n. Riverside Wilders' Canyon, Jurupa Hills. Comment
  RSA597065  Ericameria pinifolia D. L. Banks, Lauren Raz 1996-11-5 1155 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SEINET5708403 Image available Ericameria pinifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7091 Riverside Near the Cottonwood Headquarters in the Joshua Tree National Park.; Joshua Tree National Park Comment
  RSA212927  Erigeron divergens L. B. Ziegler 1969-5-26 s.n. Riverside Low hillsides at edges of meadows in Hemet Valley, San Jacinto Mts. 1387 Comment
  RSA504552  Erigeron foliosus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR183332  Erigeron foliosus Mitch Provance 2003-5-5 4415 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UC63039  Erigeron foliosus var. foliosus H. M. Hall 1901-6-1 2147 Riverside e base, along the borders of Colorado Desert; Southern California, San Jacinto Mountains, Colorado Desert Comment
  UCR117617  Erigeron foliosus var. foliosus Scott D. White 1997-5-25 5248 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA89920  Erigeron foliosus var. stenophyllus E. K. Balls, Percy C. Everett 1953-7-1 18351 Riverside 2.2 miles NW of boundary of San Bernardino National Forest, raod from Idyllwild to Banning. Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  CAS-BOT-BC189127  Eriodictyon crassifolium var. crassifolium Marian L. Campbell 1921-3-19 73 Riverside Palm Springs Comment
  UCR270758  Eriodictyon crassifolium var. crassifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8344 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 384 Comment
  UCR91619  Eriodictyon crassifolium var. crassifolium D. L. Banks, Steve Boyd 1995-3-30 127 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  VVC255  Eriodictyon crassifolium var. nigrescens 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
  CAS-BOT-BC188971  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA783130  Eriogonum J. D. Olmsted 1959-9-23 1005 Riverside Hemet-Idyllwild road above Mt. Center and garbage pit where road from Saunder's Mdws. comes along stream draining DSS pond 1524 Comment
  UCR24319  Eriogonum apiculatum John C. Roos 1937-8-18 2532 Riverside San Jacinto Mountains, Above Idyllwild Comment
  RSA0103099  Eriogonum davidsonii Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8541 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  UC218108  Eriogonum davidsonii P. A. Munz 1922-6-25 5822 Riverside bet. Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  RSA27862  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring. Comment
  RSA735612  Eriogonum evanidum LeRoy Gross, Duncan S. Bell 2008-9-16 3584 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
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Nov 14 2011
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  SBBG62044  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1929-9-9 Riverside Temecula Grade Comment
  CHSC89852  Eriogonum fasciculatum var. foliolosum L. P. Janeway 2004-5-8 8078 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon; along Wildomar Road 0.8 km east of its crossing of Los Alamos Creek. 488 Comment
  POM319084  Eriogonum fasciculatum var. foliolosum Patricia Wilder 1971-9-29 5281 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  UCR260541  Eriogonum fasciculatum var. foliolosum T. B. Salvato 2014-5-29 8040 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  SEINET239005  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Road just before it connects with Pulsar View Rd ca. 1 air mile N of Juniper Flats Rd. [UTM 10km 518 Comment
  UCR13756  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, W. W. Zabriskie 1972-3-28 479 Riverside San Jacinto Mtns., North Canyon, Andreas Canyon drainage, east slope of Mtns. 610 Comment
  UCR260531  Eriogonum gracile T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7994 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
  SD137666  Eriogonum gracile var. gracile Darin L. Banks, Victor Steinman 1995-7-10 754 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, W of lower Arroyo Seco, SE of Wildhorse Peak. Along the drainage N of the peak Agua 3280 Comment
  RSA393249  Eriogonum gracile var. incultum I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  UCR204181  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Range; San Jacinto Mountains, southern spur of Pine Meadow, SE of Hwy 371, NW of Santa Rosa Summit, north side of Hwy 74 1477 Comment
  UCR20696  Eriogonum inflatum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1323 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM229427  Eriogonum inflatum var. deflatum P. A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  JEPS56845  Eriogonum inflatum var. inflatum W. L. Jepson 1914-5-18 6017 Riverside stream bed near County Well (on grade from Pinyon Well to Indio) 304 Comment
  RSA393662  Eriogonum maculatum M. B. Dunkle 1933-5-6 3404 Riverside Colorado Desert. Dry Morongo Creek Comment
  RSA4967  Eriogonum maculatum Carl B. Wolf 1932-4-27 3031 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  UC2062983  Eriogonum maculatum Anna Kostikova with Glen Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Santa Rosa Mountains, outcrop of carbonated rocks (limestones): Belvedere Road, turn from Highway 74 uphill towards white rocks. Comment
  JOTR35312  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  POM14061  Eriogonum pusillum P. A. Munz, D. D. Keck 1922-4-14 5002 Riverside East of Whitwater Ranch 213 Comment
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA772580  Eriogonum saxatile Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5051 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM126311  Eriogonum thomasii Thos. Craig 1927-4-2 21 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  POM259944  Eriogonum thomasii P. A. Munz 1940-3-23 15669 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  RSA424980  Eriogonum thurberi Ora M. Clark 1929-3-16 1712 Riverside N. of Whitewater. Comment
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  UC666509  Eriogonum trichopes Annie M. Alexander and Louise Kellogg 1941-5-28 2262 Riverside Metropolitan Aqueduct Road e Hayfield Comment
  CAS-BOT-BC268189  Eriogonum umbellatum var. munzii Frank W. Peirson 1924-7-28 5014 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  CAS-BOT-BC264929  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA450252  Eriogonum wrightii var. nodosum J. C. Roos 1967-10-28 s.n. Riverside Whitewater. 427 Comment
  UC138186  Eriophyllum ambiguum var. paleaceum S. B. Parish and W. F. Parish Apr 1 1882-Jan 1 1900 1208 Riverside Agua Caliente Agua Caliente Comment
  UC62976  Eriophyllum ambiguum var. paleaceum S. B. Parish Apr 1 1896-Apr 10 1896 Riverside Palm Spring Colorado Desert, Palm Spring Comment
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 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
  UCR29852  Eriophyllum lanosum George K. Helmkamp 1983-3-24 383- 4 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at junction of the Graham Pass and Chuckwalla Springs Roads 229 Comment
  SBBG122776  Eriophyllum multicaule A. Parikh 1990-4-23 154 Riverside E of Gavilan Pk, 0.2 km S of Ida Leona Rd, 1 km E of Gavilan Rd 627 Comment
  UCR88584  Eriophyllum multicaule A. C. Sanders, J. C. Lyman 1995-4-16 16559 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR103993  Eriophyllum wallacei George K. Helmkamp 1998-4-3 3078 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  UCR87616  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 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
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR26264  Erodium brachycarpum John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  RSA747918  Erodium cicutarium Justin M. Wood 2009-3-3 325 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  SD133077  Erodium cicutarium Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2.0 miles west of I-215 exit. 366 Comment
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR279594  Erodium cicutarium A. C. Sanders, Jim Malusa 2017-3-28 43161 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
  UCR140304  Erodium moschatum A. C. Sanders, Guy Bruyea 2004-4-2 27415 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SEINET13752389  Erodium texanum Heather Breakiron 2017-3-21 1 Riverside 11 miles southwest of Blythe, CA Comment
  UCD84930  Erodium texanum Chuck Hughes 2010-3-22 202 Riverside Near edge of Rice-Midland Road. 269 Comment
  RSA396463  Erysimum capitatum W. Wisura 1987-5-21 4160 Riverside 8.2 miles from Hwy 74, going S on forestry rd. 5S15; just S of summit of Thomas Mtn. Comment
  RSA0020251  Erythranthe floribunda Henry J. Ramsey 1937-5-30 2120 Riverside Santa Rosa Mountains. Comment
  RSA0018798  Erythranthe guttata N. C. Cooper 1949-6-29 4317 Riverside Hemet Lake, San Jacinto Mt. 1524 Comment
  JOTR34264  Eschscholzia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2955 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UCD101613  Eschscholzia androuxii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 258 B Riverside California. Riverside County: Joshua Tree National Park. 610 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  RSA433693  Eschscholzia californica Ora M. Clark 1929-2-24 1512 Riverside Cabazon, Colorado Desert. Comment
  UC1551988  Eschscholzia californica Lyman Benson 1952-4-8 14850 Riverside 2 mi w Shaver Summit (e of Indio, US 66); Colorado Desert, Colorado River Drainage 609 Comment
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Mar 26 2011
  UCR113140  Eschscholzia californica A. C. Sanders 1998-3-11 21664 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, saddle dam site 534 Comment
  UCR154829  Eschscholzia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29276 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR35070  Eschscholzia californica L. B. Ziegler 1970-6-28 412 Riverside San Jacinto Mtns, Thomas Mountain, near summit 2073 Comment
  UCR35071  Eschscholzia californica L. B. Ziegler 1969-5-27 370 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCD84931  Eschscholzia glyptosperma Chuck Hughes 2010-3-22 203 Riverside Near edge of Rice-Midland Road. 269 Comment
  CHSC98017  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Alt: 207-244m. 207 Comment
  RSA115911  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon. Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  UC494756  Eschscholzia parishii C. L. Hitchcock 1932-4-7 12211 Riverside 5 mi s Cottonwood Springs Comment
  UCR41840  Eschscholzia parishii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6061 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA0022923  Eschscholzia parishii Steve Boyd, Orlando Mistretta 1986-3-13 1452 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SD152810  Eucalyptus camaldulensis Steve Boyd, Tim Ross 1992-2-21 6671 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south. 701 Comment
  RSA0010853  Eucalyptus camaldulensis J. Lyman 1989-2-9 89 -1 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  SDSU12934  Eucrypta chrysanthemifolia Jutta Buschbom 1991-6-5 38 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
  UCD119343  Eucrypta chrysanthemifolia C. L. Hitchcock; C. V. Muhlick 1962-3-16 22159 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona. Comment
  UCR127327  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25835 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR173927  Eucrypta chrysanthemifolia A. C. Sanders 2006-5-19 32443 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
  UCR98684  Eucrypta chrysanthemifolia var. chrysanthemifolia S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA591729  Euonymus occidentalis J. C. Roos 1965-7-3 s.n. Riverside Dark Canyon, San jacinto Mtns. Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA750603  Euonymus occidentalis var. parishii K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  SD181547  Euphorbia Louis C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains; 0.5 mile east of Ranger Peak. 1372 Comment
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Feb 17 2013
  UCR240520  Euphorbia abramsiana Tim Thomas, Alice Karl 2011-10-18 5526 Riverside Sonoran (Colorado) Desert, Hayfield Lake, 4 mi east of Chiriaco Summit, just north of Hwy I-10, northwest portion of lake be 437 Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCSB44040  Euphorbia misera Sanders, A. 1982-3-20 Riverside South end of Whitewater Bench, above a small dirt road to the top of the bench and overlooking Interstate Hwy. 10 Comment
  UCR100572  Euphorbia nutans George K. Helmkamp 1997-11-1 2514 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR132418  Euphorbia polycarpa A. C. Sanders 2004-2-6 27386 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR136202  Euphorbia polycarpa A. C. Sanders 2004-6-20 28225 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  RSA0015426  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 2487 a Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  CLARK-A1528-441  Euphorbia serpyllifolia C. M. Flanagan 1973-6-13 OO 717 Riverside Morongo Indian Reservation 1127 Comment
  UCR26189  Euphorbia setiloba John C. Roos 1947-11-1 3756 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  CAS-BOT-BC171038  Fagonia laevis A. C. Sanders; E. J. Lawlor 1992-4-4 12086 Riverside Within 1/2 mile of McCoy Spring, alluvial slopes below and to the south and canyon bottom above the spring - McCoy Mountains 243 Comment
  RSA735216  Fagonia laevis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11238 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 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
  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
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  SBBG119166  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside ca. 3 mi ENE of Perris, W of Menifee Rd (Pozos Ave) and S of Nuevo Rd, between San Jacinto River and Nuevo 432 Comment
  SD136959  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside De Luz Road, 8 miles west of Rancho California; side canyon of Sandia Creek 305 Comment
  LA13119  Festuca myuros F. M. Reed; 1903-12-13 407 Riverside Box Spring Mountains, Footills Comment
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Sep 20 2013
  UCR171957  Festuca myuros John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR42358  Festuca myuros N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 177 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  RSA525276  Filago californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4590 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA500129  Filago depressa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3682 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  SD216506  Forestiera pubescens Jay B. Walker 1995-4-4 1310 Riverside San Bernardino National Forest; Santa Rosa Mountain truck trail, 4 kilometers south of highway 74 1600 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  CAS-BOT-BC223600  Fouquieria splendens subsp. splendens Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  CAS-BOT-BC211662  Frankenia salina Peter H. Raven; Sidney R. Snow 1956-6-30 9530 Riverside 4.7 miles east of Temecula on Highway 71 Comment
  UCR22127  Frankenia salina Steve Boyd 1980-5-13 266 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR274537  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  OBI12171  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts, Penrod Cyn SE of Kenworthy Guard Station Comment
  SD255221  Fraxinus velutina Duncan S. Bell, Josh Brito and John Woodruff 2015-7-15 8552 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SEINET13943183 Image available Fraxinus velutina A. C. Sanders, J. Goetzen 1996-1 18133 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning; 2600-3000 ft alt., UTM 10 km cell: NH-1E, 5N Banning, 33 deg. 57' N, 116 deg. 52' W, T2S, R1E, S27 E/2 and S34 NE/4 914 Comment
  UCR132722  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UCR82764  Fraxinus velutina A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15778 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  POM48351  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Gorgonio Canyon, north of Banning. 1128 Comment
  RSA749903  Funastrum crispum Jordan Zylstra 2009-5-27 s.n. Riverside Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  RSA712545  Funastrum cynanchoides var. cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  SBBG119445  Funastrum cynanchoides var. hartwegii A. C. Sanders 2004-5-12 27873 Riverside Walker Cyn at NE foot of Alberhill Mtn, Temescal Crk 378 Comment
  RSA339250  Funastrum hirtellum R. F. Thorne, Gertrud Dahlgren 1979-8-23 54607 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  RSA49192  Funastrum hirtellum P. A. Munz 1949-4-12 13041 Riverside Dry rocky ridgen and slopes, edge of limestone and hematite bear Iron Chief Mine, north end of Eagle Mts. Mohave Desert. 1067 Comment
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Jun 26 2009
  RSA49193  Funastrum hirtellum P. A. Munz 1949-4-12 13041 Riverside Dry rocky ridgen and slopes, edge of limestone and hematite bear Iron Chief Mine, north end of Eagle Mts. Mohave Desert. 1067 Comment
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Jun 26 2009
  UCR272256  Funastrum hirtellum Duncan S. Bell, Thomas R. Stoughton 2010-3-19 566 Riverside Mojave Desert, central section of the Arica Mountains, within the Palen/McCoy Wilderness area, c. 2.25 air miles west of Priest Well 439 Comment
  UCD121572  Galium angustifolium K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  CAS-BOT-BC223052  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 401 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  UCR217520  Galium angustifolium subsp. jacinticum Jeff B. Galvin 2010-8-6 98 Riverside San Jacinto Mountains, 108m east of Hwy 243, west of Fern Basin 1782 Comment
  UCR4674  Galium angustifolium subsp. jacinticum Frank C. Vasek 1964-7-25 640725- 25 Riverside San Jacinto Mtns, road out of Dark Canyon 1829 Comment
  UCD121711  Galium aparine E. W. Lathrop 1982-8-5 s.n. Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  JEPS52918  Galium californicum subsp. primum Lauramay T. Dempster and Clare Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow from Idyllwild Comment
  RSA219237  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside On road to Santa Rosa Mtn. Comment
  RSA50568  Galium parishii E. C. Jaeger 1949-7-25 s.n. Riverside Virgin Spring, north slope of Toro Peak. Santa Rosa Mtn. 2378 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  SDSU14028  Galium porrigens var. porrigens Michael G. Simpson, Kim O'Connor 2000-4-29 2071 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  POM367816  Galium stellatum E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  RSA0123088  Galium stellatum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8972 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
  LA208447  Galium stellatum var. eremicum H. L.; 1939-4-9 Riverside Indio -6 Comment
  UCR237478  Galium stellatum var. eremicum Duncan S. Bell 2010-3-20 624 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR157945  Gamochaeta pensylvanica T. B. Salvato, A. C. Sanders 2005-5-17 914 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
  UCR208877  Garrya flavescens subsp. pallida W. E. Pequegnat 1940-12-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., between Trabuco and Santiago peaks 1311 Comment
  CAS-BOT-BC192125  Garrya fremontii H. M. Hall 1901-7-1 2452 Riverside Tahquitz [Tanquitz] Valley, San Jacinto Mt. 2133 Comment
  RSA115033  Garrya veatchii E. K. Balls, P. C. Everett, S. Tillett 1955-7-19 20972 Riverside San Jacinto Mts., Hwy 74, Hemet to Idyllwild, 2.8 mi. NW from Mountain Center 1189 Comment
  RSA494631  Garrya veatchii Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD137745  Garrya veatchii Darin L. Banks, Steve Boyd 1995-1-18 42 Riverside Cleveland National Forest, north sloape of Agua Tibia Mountain, west of Wild Horse Peak, along the Dripping Springs Trail. 963 Comment
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Mar 2 2013
  UCR168683  Garrya veatchii T. B. Salvato, John F. Green 2004-5-27 583 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
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  UCR117074  Gaura sinuata A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
  CAS-BOT-BC332706  Geraea Elizabeth McClintock 1964-4-8 s.n. Riverside Desert flat E of Indio Comment
  JEPS33538  Geraea canescens S. B. Parish 1920-3-26 20008 Riverside near Indian W<e>lls; Colorado Desert Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  POM358656  Geraea canescens M. B. Dunkle 1935-3-17 4404 Riverside Desert Center. 610 Comment
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR177402  Gilia Marisa Sripracha, K. A. Boyd 2004-3-21 053 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA470134  Gilia angelensis Anonymous 1920-03 s.n. Riverside Ivy Canon, Temescal. Comment
  RSA72286  Gilia angelensis F. W. Peirson 1923-3-28 4129 Riverside North of Lake Elsinore near Brickyard. Comment
  RSA768654  Gilia angelensis Justin M. Wood 2010-3-19 1427 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UCR111601  Gilia angelensis Mitch Provance, J. Ross 1999-4-1 1734 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR92230  Gilia angelensis Steve Boyd, D. L. Banks 1995-3-30 8411 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UCR114630  Gilia capitata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UC455672  Gilia capitata subsp. abrotanifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); , rd to Strawberry Valley 914 Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  UCR18184  Gilia diegensis A. C. Sanders 1978-4-30 493 Riverside Santa Rosa Mtns, Pinyon Flats area, shoulder of Hwy 74 between Nightingale[Pinyon Pines] and Ribbonwood [Spring Crest] 1280 Comment
  UC23616  Gilia hallii H. M. Hall 1899-5-25 11785 Riverside Coyote Canyon, El Toro Mt., San Jacinto Mts. Comment
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Aug 14 2010
  CAS-BOT-BC407623  Gilia ochroleuca subsp. exilis Frank W. Peirson 1938-5-30 12413 Riverside South of the Shell Gas station, Thomas Mountain, Hemet Valley Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  JEPS44385  Gilia ochroleuca subsp. exilis Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4265 Riverside gravelly ridge e Toro Peak; Santa Rosa Mountains Comment
  RSA0016299  Gilia ochroleuca subsp. exilis P. A. Munz 1922-4-28 5025 Riverside Temescal Canyon. Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA657234  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12330 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA657244  Gilia stellata J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12343 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  UC667282  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2092 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UCR158285  Githopsis diffusa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30111 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
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  SD146033  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Field on the west side of Iowa Ave., just north of the Santa Fe Railroad tracks. 287 Comment
  UCR167824  Glinus lotoides T. B. Salvato, Melissa Clemons 2005-6-2 1398 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA482016  Glyceria striata Richard Noyes, L. Arnseth 1988-9-10 727 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  CDA4145  Glycyrrhiza glabra K. E. Hoffmaster 1968-11-18 Riverside Coachella Valley near Mecca. 0 Comment
  POM1630  Glycyrrhiza lepidota Crawford, Johnston 1917-6-9 1228 Riverside Santa Ana River Comment
  RSA276722  Gnaphalium palustre John F. Emmel 1978-7-17 616 Riverside Santa Rosa Mts, Virgin Spring, on N slope of Toro Peak, 2348 Comment
  POM285637  Grusonia parishii Lyman Benson 1954-5-2 15278 Riverside Queen Valley, Joshua Tree National Monument. 1357 Comment
  RSA496370  Guillenia lasiophylla Steve Boyd, L. Arnseth, Timothy S. Ross 1989-3-19 3044 Riverside Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain. 621 Comment
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Sep 19 2010
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  CAS-BOT-BC302142  Gutierrezia sarothrae Meredith A. Lane 1982-10-13 3026 Riverside 19.3 KM (12 mi) E of Kern Camp Summit on California State Highway 74 in the San Jacinto Mountains at Hurkey Creek Picnic Area 1341 Comment
  SEINET9286315  Gutierrezia sarothrae Unknown 1936-12-24 36816 Riverside San Jacinto Mountains Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  SDSU12908  Hazardia squarrosa var. grindelioides Jutta Buschbom 1991-6-3 17 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
  UCR155153  Hedypnois cretica A. C. Sanders, Kelly Volansky 2005-3-17 29210 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
  RSA192195  Helianthus annuus subsp. lenticularis E. W. Lathrop 1959-9-11 4647 Riverside 14 miles W of Murrieta Comment
  UCR21849  Helianthus annuus subsp. lenticularis Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  CDA6473  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  SD245271  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74). Comment
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  POM361594  Hemizonia fasciculata M. M. Thompson 1947-6-9 2085 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  UCR125228  Hemizonia fasciculata Mitch Provance, Twoc Tran 1998-5-30 561 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  UCR111972  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2000-5-25 23403 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
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Sep 27 2010
  UCR232035  Hemizonia kelloggii John F. Green 2008-4-16 A- 01 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA614683  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Creek. 915 Comment
  RSA716381  Hemizonia mohavensis Scott D. White 2006-4-27 11300 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR134656  Hemizonia paniculata Mitch Provance 1998-4-10 413 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR183342  Hemizonia paniculata Mitch Provance 2005-5-27 4606 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR231746  Hemizonia paniculata John F. Green 2008-4-23 08- 08 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA532586  Hemizonia pungens subsp. laevis D. E. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m NW of Rome Hill, just off private drive (Lucerne St.?) some 400 m east of Grand. 428 Comment
  UCR260132  Hemizonia pungens subsp. laevis A. C. Sanders 2015-2-19 41248 Riverside San Jacinto Valley, 53 acre parcel c. 370 m south of Ramona Expressway and 1 km east of Warren Rd., north of Record Rd. 442 Comment
  UCR266367  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-5-16 3846 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, canal right-of-way, east of Sanderson Ave. and south of Ramona Expressway 457 Comment
  SD224911  Herniaria hirsuta var. cinerea A. C. Sanders, G. K. Helmkamp 1996-3-17 17986 Riverside Coachella Valley: Palm Springs, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  IRVC14057  Hesperocallis undulata C. A. Taylor 1966-4-8 66 83 Riverside 15 Mi E of 29 Palms, off road to Parker Dam. Mojave Desert 610 Comment
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Nov 30 2014
  RSA0029322  Hesperocallis undulata Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4689 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA525696  Heterocodon rariflorum Steve Boyd, Timothy S. Ross 1990-5-11 4634 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
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  UC29095  Heterocodon rariflorum H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1584 Comment
  UCR231195  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39927 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  UCR114810  Heterotheca grandiflora Mitch Provance 1998-2-6 22 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA785237  Heterotheca sessiliflora var. sanjacintensis J. C. Semple, J. Chimielewski 1987-9-30 8981 Riverside Idyllwild, CA-243, just S of Idyllwild Park, Manzanita Dr. Comment
  CAS-BOT-BC203347  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 miles west of Coachella 121 Comment
  SEINET255572  Hieracium albiflorum G. K. Helmkamp, E. A Helmkamp 2006-7-28 11014 Riverside Nothern Sierra Nevada Mtns: Echo Summit along Hwy US-50 ; at entrance to the road maintenance station 2245 Comment
  LA8285  Hilaria rigida Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCD89947  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  RSA660054  Hirschfeldia incana Carol Zuck 1981-2-15 18 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  CAS-BOT-BC207513  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  CLARK-A1528-2785  Hoffmannseggia microphylla John C. Roos 1949-3-19 4108 Riverside Mecca Comment
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  UCD105854  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  RSA741080  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  RSA0085053  Hordeum glaucum Margaret Murphy 1983-4-15 0007 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR97284  Hordeum intercedens Scott D. White 1993-4-30 1315 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA544417  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross 1991-6-14 6385 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA599098  Hordeum vulgare V. W. Steinmann 1996-4-13 827 Riverside East of route 15 along Temescal Canyon Road 1.3 kilometers southeast of junction with Indian Truck Trail 350 Comment
  UCR83242  Hordeum vulgare N. M. Fellows 1982-4-14 s.n. Riverside Riverside, on the edge of Pigeon Pass Road north of Hwy 60 518 Comment
  UC114267  Horkelia clevelandii C. R. Orcutt 1890-7-25 2104 Riverside San Jacinto Mts. Comment
  RSA0042102  Horsfordia alata Duncan S. Bell, LeRoy Gross 2014-3-6 6189 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UCR202326  Hulsea vestita Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  JEPS19516  Hulsea vestita subsp. callicarpha Peter H. Raven with R. Snow 1957-7-26 11098 Riverside 0.7 mi n Vista Grande Ranger Station (Banning--Idyllwild Road); San Jacinto Mountains Comment
  SD8848  Hulsea vestita subsp. callicarpha Bros. Parish Jun 1880 Riverside San Jacinto Comment
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Nov 29 2010
  RSA741375  Hydrocotyle ranunculoides Scott D. White, Justin M. Wood 2008-5-15 11976 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 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
  POM8368  Hymenoclea salsola Mary F. Spencer 1920-3-28 460 Riverside Palm Springs. 122 Comment
  UCR137643  Hymenoclea salsola G. A. Reese, S. Kaime 1998-4-6 4708 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  UCR158142  Hypochaeris glabra A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30081 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
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219745  Hyptis emoryi Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  CLARK-A1528-569  Hyptis emoryi John N. Bullock 1970-5-8 Riverside Box Canyon 256 Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  POM306694  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1926-4-26 1688 Riverside Near Desert Center. Comment
  UCR182535  Ipomoea purpurea Mitch Provance 2003-7-4 4633 Riverside San Bernardino Valley, Riverside, 'Adams Hill', along the N. side of Raintree Ave., 0.2 mi. SW of Adams St., 0.3 mi. SE of Colorado Ave., c. 0.75 mi. SE of the Riverside Municipal Airport 238 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
  CAS-BOT-BC311612  Isocoma acradenia var. eremophila H. S. Gentry 1936-11-1 2961 Riverside W side of Colorado Desert 152 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
  POM13836  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat. 1372 Comment
  SD237480  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive (Riverside East 7.5'Q) 320 Comment
  UCR209197  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range, Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  UCR174258  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 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
  SD140239  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Western edge of Hemet, 14 acre parcel at northeast corner of Intersection of Meyers Street and Devonshire Avenue, 3/4 mile northeast of the intersection of Florida avenue (Highway 74) and Warren Road, just south of Tres Cerritos. 459 Comment
  SD220020  Juncus bufonius Steve Boyd, Gary Wallace 2005-7-30 11643 Riverside San Jacinto Mountains region: San Jacinto Mountains State Park, Hidden Lake area northeast of Hidden Diovide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek. 2659 Comment
  UC1099771  Juncus bufonius var. occidentalis Frank W. Peirson 1922-4-29 2928 Riverside s side Lake Elsinore Comment
  UCR240201  Juncus cooperi C. J. Minar 1994-5-7 08 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCR151038  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  POM48825  Juncus macrophyllus Phillip A. Munz, I. M. Johnston 1924-7-28 8801 Riverside Pine Flats 1738 Comment
  UCR98899  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC1601830  Juncus oxymeris H. M. Hall 1897-8-12 837 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 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
  RSA737215  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR272500  Juncus xiphioides Mitch Provance 2012-7-25 712- 02 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  CAS-BOT-BC85413  Juniperus californica B. D. Stark 1932-6-17 3749 Riverside Colorado Desert. Eagle Mts., Canyon above Cottonwood Springs 411 Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC234575  Justicia californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA26969  Justicia californica Anonymous 1940-4-6 5972 Riverside 3 mi. below Cottonwood Springs. Comment
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Jun 16 2014
  RSA782271  Kallstroemia californica R. W. Spjut 2007-10-12 16152 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UC27390  Keckiella antirrhinoides H. M. Hall Jun 1901 2016 Riverside Canyon of the San Jacinto River; San Jacinto Mountains 762 Comment
  UCR172761  Keckiella antirrhinoides Abby Sirulnik, Ian G. Gillespie 2000-5-14 50 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  OBI37488  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Rd, 8.5 mi W of rancho California 274 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  SEINET959100  Kelloggia galioides G. K. Helmkamp, E. A. Helmkamp 2005-1 9742 Riverside Northern Sierra Nevada Foothills: 20 mi. WSW of Lake Tahoe; Ice House Road, N of CA Highway 50 and 1.5 mi S of junction with Ice House Reservoir (Kyburz 7.5Q). 1637 Comment
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Nov 8 2013
  RSA681038  Kochia scoparia Scott D. White 2003-6-9 8602 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  POM353056  Koeleria macrantha N. C. Cooper 1944-3-24 1044 Riverside Banning. 701 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
  UCD107116  Krameria bicolor Nancy Ryan Zabriskie 1968-4-12 133 Riverside Near entrance to Andreas Canyon Clubhouse, Andreas Canyon. Comment
  UC667260  Krameria erecta Annie M. Alexander and Louise Kellogg 1941-5-11 2150 Riverside Cottonwood Spring Eagle Mountains, Cottonwood Spring (on side of canyon, Eagle Mountains) 883 Comment
  SEINET3151231  Krameria parvifolia G. B. Grant 1906-1 658 Riverside Colorado desert at Palm Springs Comment
  RSA775443  Lactuca serriola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4445 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
  UCR26506  Lagophylla ramosissima subsp. ramosissima A. C. Sanders, S. Hagopian 1981-5-20 2147 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SD227700  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, ar rodky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SEINET3087697 Image available Langloisia schottii O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  JOTR35335  Langloisia setosissima subsp. setosissima Harding, Mitzi, Mark Wheeler 2012-2-28 101 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  OBI8642  Larrea divaricata Robert F. Hoover 1969-4-11 11216 Riverside Mouth of Morongo Valley Cyn Comment
  CAS-BOT-BC170703  Larrea tridentata Mrs. E. C. Van Dyke 1928-1-1 s.n. Riverside Coachella Comment
  CAS-BOT-BC293708  Larrea tridentata Mona Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  UCD107219  Larrea tridentata R. L. Smith 1948-3-28 s.n. Riverside Foot of Andreas Canyon. Comment
  JEPS48952  Lastarriaea coriacea W. L. Jepson 1935-4-21 17160 Riverside Aguanga; near branch road to Pines 603 Comment
  CLARK-A1528-7804  Lasthenia coronaria John C. Roos 1938-4-4 1630 Riverside La Sierra Comment
  JEPS29304  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  RSA361596  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  SD51808  Lasthenia coronaria Rimo Bacigalupi, Gene Newcomb 1954-4-25 4399 Riverside Along State Highway 79, close to summit of St. Johns grade; ca.3/4 mile south of Sage. 730 Comment
  UC1595795  Lasthenia coronaria W. Wisura, A. King, and L. Newcomb 1992-4-10 4670 Riverside w of Hwy 62 Mission Creek Ranch; Morongo Valley Comment
  UCSC000803  Lasthenia coronaria H. M. Hall 3-Apr 3830 Riverside Vicinity of Riverside, in the Sonoran Zone 366 Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  POM305811  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1048 Riverside Elsinore and Vicinity Comment
  UCR113182  Lasthenia gracilis A. C. Sanders 1998-3-11 21665 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR85534  Lasthenia gracilis A. C. Sanders 1993-4-5 13694 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CLARK-A1656-646  Lathyrus vestitus Lois Ann Scott 1978-5-19 Riverside Santa Rosa Mountains 1523 Comment
  RSA674762  Lathyrus vestitus Scott D. White, Pam De Vries 2000-4-25 7733 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR35017  Lathyrus vestitus subsp. alefeldii L. B. Ziegler 1967-6-27 182 Riverside San Jacinto Mtns, Hemet Valley 1585 Comment
  UC15340  Lathyrus vestitus var. vestitus H. M. Hall Jul 1901 2308 Riverside s side San Jacinto Mountains 1828 Comment
  CAS-BOT-BC320796  Layia glandulosa Cecil Hart 1922-5-21 16 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  POM4846  Layia glandulosa H. M. Hall 1902-4-22 15554 Riverside Vicinity of Riverside County. 305 Comment
  RSA613326  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SBBG52764  Layia platyglossa N. C. Cooper 1944-4-22 1160 Riverside Banning 731 Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA0086779  Lemna R. G. Swinney 1967-2-4 14060 Riverside Snow Creek. 305 Comment
  RSA645547  Leonotis nepetifolia A. C. Sanders, G. Helmkamp 1995-12-5 17931 Riverside Riverside: weed in the yard of O.F. Clarke, 1012 Spruce St. near Canyon Crest DR. 305 Comment
  SD248446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  RSA643101  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey. 701 Comment
  UCR18612  Lepidium dictyotum var. acutidens O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR91280  Lepidium dictyotum var. acutidens Scott D. White, M. Jacobsmeyer 1996-4-20 3965 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SDSU14134  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  UCR240264  Lepidium latipes var. latipes D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4826 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  CAS-BOT-BC126745  Lepidium nitidum A. C. Sanders; T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City and Perris, along powerline corridor between Byers St. and west end of McLaughlin Rd. and Wheat St. 447 Comment
  RSA495818A  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2928 A Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  CAS-BOT-BC60097  Lepidium virginicum var. menziesii Munz; Harwood 1920-3-20 3399 Riverside 5 miles south of Corona. 304 Comment
  CAS-BOT-BC60110  Lepidium virginicum var. menziesii A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19881 Riverside Lake Skinner area. Lower Rawson Canyon, northeast of the lake and southwest of Black Mountain, along the road. 518 Comment
  UCR260584  Lepidium virginicum var. robinsonii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41550 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Valley at mouth of Indian Canyon, south of Indian Truck Trail along DePalma Rd. at Glen Eden, opposite Lee (Corona) Lake 364 Comment
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR201673  Lepidium virginicum var. virginicum Scott D. White, Justin M. Wood 2008-6-18 12234 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR2515  Leptochloa uninervia F. M. Reed 1920-3-25 4201 Riverside Sonoran (Colorado) Desert, Coachella, Salton Basin 46 Comment
  SDSU3131  Leptodactylon californicum Stan Mather 1938-5-13 Riverside Lake Elsinore. Comment
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Jul 8 2009
  UC881519  Leptodactylon californicum C. L. Hitchcock 1940-4-12 6041 Riverside 8 mi nw Elsinore 457 Comment
  RSA0004786  Leptodactylon jaegeri E. C. Jaeger 1921-7-1 s.n. Riverside Tahquitz Peak, San Jacinto Mts. Comment
  RSA561066  Leptosiphon androsaceus T. S. Ross, D. E. Bramlet 1993-5-12 7347 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja canyon,. 366 Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA387371  Leptosiphon lemmonii Steve Boyd 1986-4-19 1696 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  POM556  Lesquerella tenella H. M. Hall 1905-4-24 5882 Riverside Salvation Springs [Salvation Well, Chocolate Mts., ENE of Niland in Salvation Pass near Pegleg Well] Comment
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Nov 20 2011
  UCR220005  Lessingia filaginifolia A. C. Sanders 2010-11-18 38690 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  CAS-BOT-BC339358  Lessingia glandulifera var. glandulifera Scott D. White 1996-8-1 4406 A Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  RSA181938  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 583 Riverside 4.7 miles E of Anza on road to Santa Rosa Summit. 1372 Comment
  SEINET244827  Leymus triticoides A. C. Sanders 2001-5-7 24171 Riverside perris-aguana Basin region: S of helmet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 503 Comment
  RSA198976  Lilaea scilloides Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 377595 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA68359  Lilium parryi Verne Grant, Alva Grant 1951-7-19 16091 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCSB18436  Linanthus dianthiflorus Cummings, R. 1963-5-4 Riverside Banning to Idyllwild Road, 3 miles south of Banning, San Jacinto Mountains 853 Comment
  RSA449968  Linanthus filiformis J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  UCR162403  Linanthus lemmonii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR24932  Linanthus liniflorus subsp. pharnaceoides A. C. Sanders 1980-7-18 1685 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  UCR153625  Linanthus maculatus J. M. Porter, L. E. Machen 1995-4-14 10693 Riverside Sonoran (Colorado) Desert, Floodplains of Morongo Wash, east of Hwy 62 and south of the intersection of Indian Ave. and Hwy 62, between US 62 and an old road parallel and E to it. 500 Comment
  RSA468523  Linanthus pungens Robert Kessler 1920-7-4 17044 Riverside Mount San Jacinto. Comment
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  UCR251314  Linaria canadensis var. texana T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7421 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  CAS-BOT-BC432281  Lithophragma affine Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC11877  Lithophragma affine H. M. Hall 1897-3-27 410 Riverside Rawson Hills Comment
  RSA0018463  Lithophragma affine N. C. Cooper 1949-6-29 4346 Riverside Pine Cove. 1829 Comment
  POM128389  Lithophragma affine subsp. mixtum T. Craig 1927-4-23 221 Riverside Glen Ivy. Comment
  JOTR32183  Loeseliastrum matthewsii 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
  RSA800112  Loeseliastrum matthewsii Duncan S. Bell 2013-4-7 4761 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SEINET3004973  Logfia arizonica G. Rink 2011-3-30 10399 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UC32054  Logfia filaginoides W. G. Wright 1890-1-1 1769 Riverside Colorado Desert Comment
  SEINET10927379  Lolium multiflorum Walter Graves 2002-5-15 Graves 502 -27 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. cv. "Gulf". 305 Comment
  RSA192223  Lolium perenne subsp. multiflorum E. W. Lathrop 1966-5-11 6291 Riverside 3 miles SW of Murrieta on the De Luz Road, first canyon to the right of the road. Comment
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA747870  Lomatium lucidum Justin M. Wood 2009-5-11 699 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UC917584  Lomatium lucidum Frank W. Gould 1944-4-5 2218 Riverside 11.5 mi SE of Temecula Comment
  UCR160325  Lomatium lucidum Steve Boyd, Orlando Mistretta 1992-4-22 7004 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  JOTR31998  Lomatium mohavense La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2228 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA574734  Lomatium vaginatum Steve Boyd 1981-3-16 s.n. Riverside Gavilan Hills region, summit of Estelle Mountain. 823 Comment
  CAS-BOT-BC240673  Lonicera interrupta Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  UCR170129  Lonicera japonica Jeffrey Ross 1998-6-4 152 Riverside Upper Santa Ana River/San Bernardino Valley, Ravine at NW corner of Canyon Crest Drive and University Avenue, across from UC Riverside 305 Comment
  UC1999824  Lonicera subspicata var. denudata Peter M. Ray 1949-12-26 1582 Riverside from Hemet; San Jacinto Mts., Hall Canyon 1645 Comment
  SEINET10543638  Lotus David B. Dunn 1946-8-17 Dunn 2731 Riverside Round meadow hillside among lodge pole pines. San jacinto mts. Comment
  POM47633  Lotus argophyllus subsp. decorus F. W. Peirson 1919-4-13 s.n. Riverside Murray Canyon, Palm Springs region. Comment
  UCR91448  Lotus argophyllus var. argophyllus Scott D. White 1995-3-30 2655 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR24895  Lotus crassifolius A. C. Sanders 1980-7-22 1701 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR35032  Lotus grandiflorus L. B. Ziegler 1967-6-21 165 Riverside San Jacinto Mtns, slopes of road cuts along Hwy 74. 1220 Comment
  JOTR30650  Lotus heermannii var. heermannii La Doux, Tasha, Erin Babich 2008-4-21 1810 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  UC667261  Lotus humistratus Annie M. Alexander and Louise Kellogg 1941-5-15 2185 Riverside n slope Eagle Mountains; Colorado Desert Comment
  RSA89921  Lotus nevadensis var. nevadensis E. K. Balls, Percy C. Everett 1953-7-1 18349 Riverside 5 mi. NW of Idyllwild on road to Banning 1524 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR175067  Lotus salsuginosus Teresa Nieto 2005-4-24 12 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR214336  Lotus salsuginosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38375 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR31772  Lotus salsuginosus var. brevivexillus Andre, Jim, Tasha La Doux 2009-3-10 11239 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  UC1329863  Lotus scoparius var. brevialatus James E. Cole 1941-5-17 713 Riverside Covington Flat Canyon Joshua Tree National Monument 1371 Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  JEPS55813  Lotus strigosus H. M. Hall 1905-4-20 5830 Riverside Mecca Colorado Desert Comment
  RSA777532  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 909 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR176188  Lotus strigosus Amber Bruno 2005-4-14 13 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
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA92460  Lotus strigosus J. C. Roos, L. Roos 1954-5-15 6120 Riverside Summit of Reche Canyon 732 Comment
  RSA406328  Lotus strigosus var. strigosus F. A. Thackery 1927-3-30 292 Riverside Banning. Comment
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Mar 13 2011
  SEINET3559988 Image available Lotus strigosus var. strigosus Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6470 Riverside Rice Valley, 7 mi S-SW of Rice 274 Comment
  POM11523  Lotus unifoliolatus P. A. Munz 1922-7-4 5968 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  POM230748  Lotus unifoliolatus I. W. Clokey, E. G. Anderson 1933-8-21 6719 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  RSA674574  Lupinus albifrons var. albifrons Scott D. White 2000-5-3 7761 Riverside Temecula Area: Near Wolf Valley. Valley and hillsides along unnamed tributary to Temecula Creek, directly S of Red Hawk subdivision. 351 Comment
  RSA413641  Lupinus andersonii N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  POM12770  Lupinus arizonicus P. A. Munz, D. D. Keck 1922-4-9 4762 Riverside Shavers Well, near Mecca. 76 Comment
  RSA776691  Lupinus arizonicus Duncan S. Bell, Amanda Turek 2010-4-10 792 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA763417  Lupinus bicolor Scott D. White, Justin M. Wood 2009-5-21 12880 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR182512  Lupinus bicolor Mitch Provance 2005-5-17 6570 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
  CLARK-A1528-2820  Lupinus bicolor subsp. microphyllus John C. Roos 1938-4-4 732 Riverside La Sierra Comment
  SEINET2445410  Lupinus bicolor subsp. microphyllus Daphne K. Christopher, Hannah Stevens 2003-4-8 120 Riverside Santa Rosa Plateau Nature Conservancy Preserve. On road from Santa Rosa Ranch. 556 Comment
  GMDRC6567  Lupinus concinnus J. M. Andre 2012-6-15 30523 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  SEINET238181  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  SEINET7062851 Image available Lupinus concinnus A. G. Vestal 1947-3-30 s.n. Riverside A sandy wash bottom at Blackburn Canyon in San Jacinto Valley on Route 74. UTM Zone 11, 511984mE, 3734322mN. (WGS84/NAD83). 546 Comment
  RSA87055  Lupinus densiflorus var. lacteus F. W. Peirson 1922-4-29 4224 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  RSA586106  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-4-5 0146 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, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  RSA413656  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SD137767  Lupinus hirsutissimus Darin L. Banks 1995-4-11 175 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 950 Comment
  SD187407  Lupinus hirsutissimus Scott D. White, Angelia Carey 2004-4-16 10194 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR260873  Lupinus hirsutissimus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41507 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  POM11042  Lupinus latifolius subsp. parishii Unspecified 1897-6-1 583 Riverside Riverside, no data on label Comment
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Jul 4 2010
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  JEPS64939  Lupinus sparsiflorus W. L. Jepson 1914-5-17 5981 Riverside N of Indio (Lookout Mt.); Colorado Desert Comment
  UC56605  Lupinus sparsiflorus H. M. Hall Apr 1902 2903 Riverside Foothills near Coahuilla (Coahuilla); San Jacinto Mountains 762 Comment
  UCD109485  Lupinus sparsiflorus A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-17 24157 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr and Morse Girard St. 503 Comment
  POM12771  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz, D. D. Keck 1922-4-14 4996 Riverside Mouth of Whitewater Creek 244 Comment
  RSA0028835  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR13087  Lupinus succulentus S. R. Szarek 1971-3-26 s.n. Riverside Elsinore. Alongside Hwy 71, entering town of Elsinore Comment
  UCR21905  Lupinus succulentus Steve Boyd 1980-5-8 215 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA263707  Lupinus truncatus E. W. Lathrop 1971-3-21 7457 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  CLARK-A1045-144  Lycium andersonii George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  JOTR16859  Lycium andersonii Moore, Sue 1968-5-13 s.n. Riverside Joshua Tree National Park. NEAR PINTO WYE 1158 Comment
  RSA422105  Lycium andersonii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM98789  Lycium brevipes var. brevipes Philip A. Munz 1926-1-31 9964 Riverside Dos Palmas Spring Comment
  UC1329895  Lycium cooperi James E. Cole 1941-5-17 721 Riverside Covington Flat Canyon Joshua Tree National Monument 1432 Comment
  UCR89527  Lycium cooperi Bern Schwenn 1994-4-9 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine. In 3rd canyon on N side 1085 Comment
  CHSC1921  Lycium torreyi Margery Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  SD262312  Lythrum hyssopifolia T. B. Salvato Salvato, Gregg Miller 2005-6-3 1369 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon (Romoland 7.5'Q) 427 Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA645537  Machaeranthera asteroides var. asteroides Scott D. White 1995-8-23 3589 Riverside San Jacinto Valley. San Jacinto Riv., just N of City of San Jacinto boundary, ca. 1 mi SE of bridge at State St. 463 Comment
  RSA776348  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-3-20 620 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  POM49133  Madia gracilis Mary F. Spencer 1919-6-21 1211 Riverside San Jacinto Mountains 1646 Comment
  RSA562441  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flat area, near Lucas Canyon Trail 762 Comment
  RSA496120  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3054 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  CLARK-A1528-5698  Malacothamnus densiflorus John C. Roos 1960-6-5 Riverside Santa Ana Mountains 1066 Comment
  CAS-BOT-BC206265  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  SD43520  Malacothamnus fasciculatus Philip A. Munz 1946-10-19 11570 Riverside Chaparral-covered slope of dry disintegrated granite; 3 miles east of Anza. 1219 Comment
  UCR174266  Malacothamnus fasciculatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32669 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
  UCR232045  Malacothamnus fasciculatus John F. Green 2008-4-15 0408- 08 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
  CAS-BOT-BC332708  Malacothrix Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  CLARK-A1528-2007  Malacothrix clevelandii John C. Roos 1954-5-15 6119 Riverside Reche Canyon 731 Comment
  UC1595610  Malacothrix clevelandii Steve Boyd and Orlando Mistretta 1991-5-22 6284 Riverside e Dorland Mtn (w of Kolb Crk); Vail Lake area, base of Aqua Tibia Mtn 548 Comment
  CAS-BOT-BC347699  Malacothrix glabrata N. Aitkenhead 1977-2-2 2122 Riverside ~1 mi. from junction of JT Mon Rd & pipeline Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  UCR94651  Malacothrix saxatilis var. tenuifolia Scott D. White 1996-5-27 4069 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  SDSU12944  Malosma laurina Jutta Buschbom 1991-5-1 10 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
  SEINET10625161  Malva parviflora Nye Leith, Greg Gust 2005-3-11 Nye 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR201839  Malvella leprosa Justin M. Wood 2008-11-5 219 Riverside SW Perris Basin, Murrieta Creek, 2 mi southeast of Murrieta, open field north of Winchester Road and between the creek and Jefferson Avenue 314 Comment
  OBI74465  Marah macrocarpa David J. Keil 1983-4-15 16902 Riverside E of Temecula on SR 79 Comment
  JOTR29083  Marina parryi La Doux, Tasha 2005-3-30 1200 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  RSA517249  Marina parryi Steve D. Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1319 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA607362  Marina parryi R. S. Woglum 1939-4-11 2229 Riverside Sonora Desert: Rice to Parker. Comment
  UC68513  Marina parryi H. M. Hall Apr 1905 5957 Riverside near Palo Verde; Colorado Desert 91 Comment
  SD187430  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR92166  Marrubium vulgare D. L. Banks, Steve Boyd 1995-5-3 0230 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
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA617804  Marsilea vestita R. E. Riefner 1998-3-22 98 -197 Riverside Glen Ivy Fault, Main Street Comment
  UCR41537  Matelea parvifolia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6053 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  RSA162783  Meconella denticulata J. D. Olmsted 1959-5-1 530 Riverside Along Spring trail below Beek Cabin Windmills, Main Divide Motorway in Northern Santa Ana Mts, 9 miles Sw of Corona, Santa Ana Mts. Tin Mine Canyon to Corona 854 Comment
  RSA585793  Meconella denticulata D. L. Banks, S. D. Boyd 1995-5-9 420 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  SEINET273062  Medicago polymorpha A. C. Sanders 1997-3-19 20057 Riverside Lake Skinner area; Upper Rawson Cyn W of Black Mtn along the rd from Lk. Skinner. UTM 10km cell: MH-9E 2N. Domenigon 549 Comment
  JOTR31145  Melica imperfecta La Doux, Tasha 2009-6-3 1855 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR201501  Melica imperfecta Scott D. White, Justin M. Wood 2008-6-19 12274 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR241212  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 52 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  CSUSB1117  Melilotus indicus Kheng Try Seng 1966-4-13 660413 7 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  UCR49991  Melilotus indicus 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
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 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
  RSA0121883  Mentzelia dispersa Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2242 Riverside Santa Rosa Mountains Comment
  RSA618411  Mentzelia dispersa D. L. Banks 1997-5-5 1965 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SD103958  Mentzelia involucrata J. L. S. Simpson 1968-3-19 Riverside Graham Pass, Little Chuchawalla Mountains. Comment
Read comments
Aug 28 2016
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  CHSC1020  Mentzelia involucrata var. megalantha V. Holt 1935-4-15 Riverside Colorado Desert. Comment
  JEPS43918  Mentzelia jonesii Marjorie D. Clary 1932-3-27 1597 Riverside 5-10 mi n Indio; Indio Hills 243 Comment
  UC665898  Mentzelia longiloba Ira L. Wiggins 1941-3-26 9667 Riverside 1/2 mi s Highway #60 (on desert road to Wiley Well.) Comment
  RSA0031615  Mentzelia longiloba var. longiloba Jim Andre 2013-3-27 24811 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  UCR12576  Mentzelia micrantha Bill Schultz 1972-4-30 720430- 6 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR241851  Mentzelia montana A. C. Sanders, Timothy W. Chumley 2013-4-5 40770 Riverside Peninsular Range, Temescal Canyon, 10 miles south of Corona, near El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  RSA741042  Mentzelia veatchiana Scott D. White, Angelia Carey 2004-4-16 10162 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CAS-BOT-BC435297  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. 421 Comment
  CLARK-A1656-751  Micropus californicus Theo Glenn 1979-3-31 Riverside San Jacinto Mountains Comment
  UC1979565  Micropus californicus var. californicus Darin L. Banks, Steve Boyd 1995-5-9 397 B Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR102878A  Microseris douglasii subsp. douglasii A. C. Sanders 1997-3-26 20131 A Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA524413  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4105 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  POM6204  Microseris lindleyi P. A. Munz 1918-4-27 2142 Riverside Near Corona. Comment
  UCR84878  Microseris lindleyi A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16123 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  OBI37455  Mimetanthe pilosa Melody Lardner 1981-5-28 190 Riverside In the Box Springs Mts on Box Springs Mt Rd 2.5 mi from the corner of Pigeon Pass Rd and Box Springs mt Rd 914 Comment
  RSA0018770  Mimetanthe pilosa Philip A. Munz 1938-8-14 15355 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  RSA0018787  Mimetanthe pilosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38097 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD181329  Mimetanthe pilosa Robert F. Thorne, J. P. Simon, C. W Tilforth 1969-6-24 38097 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James reserve in Hall Canyon 1676 Comment
  UCR98683  Mimulus aurantiacus S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  POM256714  Mimulus aurantiacus var. pubescens W. Pequegnat 1940-6-19 s.n. Riverside Pleasants Pk. (Sugarloaf Pk.) 1220 Comment
  UCR116515  Mimulus aurantiacus var. pubescens Dan Hare 2001-5-1 s.n. Riverside Upper Santa Ana River/San Bernardino Valley region, Box Springs Regional Park 720 Comment
  UCR139614  Mimulus aurantiacus var. puniceus A. C. Sanders 2004-7-1 28383 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., c. 5 miles due south of Sun City 488 Comment
  RSA0041941  Mimulus bigelovii Duncan S. Bell, Loraine Washburn 2014-4-8 6583 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  JOTR28875  Mimulus bigelovii var. bigelovii La Doux, Tasha, Bill Truesdell 2004-3-17 1110 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  LA92017  Mimulus clevelandii Peter H. Raven; 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi. S of Santiago Peak 1234 Comment
  CSUSB2021  Mimulus diffusus J. Bennett 1979-6-3 s.n. Riverside San Jacinto Mts., Pine Cove Comment
  CLARK-A1528-4245  Mimulus floribundus John C. Roos 1952-4-29 5595 Riverside Box Springs Mountain 457 Comment
  UCR193862  Mimulus floribundus A. C. Sanders, Mitch Provance 2008-7-11 35768 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UC489138  Mimulus fremontii var. fremontii C. V. Meyer June 1927 204 Riverside Saunder's Meadows San Jacinto Mts. 1706 Comment
  UCR12595  Mimulus guttatus Bill Schultz 1972-4-30 720430- 7 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR167834  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA0030779  Mimulus moschatus Mary F. Spencer 1919-7-3 1288 Riverside Near brook, Idyllwild. Comment
  UCR167307  Mimulus pilosus Scott D. White, Jennifer H. Jones 2005-5-24 11092 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR275277  Mimulus pilosus T. B. Salvato, Gregg Miller 2005-6-7 1457 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 426 Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  RSA757624  Mirabilis bigelovii var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA0027994  Mirabilis laevis var. crassifolia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  POM47187  Mirabilis laevis var. retrorsa Mary F. Spencer 1920-3-31 s.n. Riverside Palm Springs 122 Comment
  RSA450539  Mirabilis laevis var. retrorsa Barry A. Prigge 1988-2-21 7856 Riverside Colorado desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  RSA49376  Mirabilis laevis var. villosa P. A. Munz 1949-4-12 13037 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  CLARK-A1528-5739  Mohavea confertiflora John C. Roos 1949-3-5 4096 Riverside Orocopia Mountains Comment
  JOTR34038  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2921 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  SBBG99713  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 Comment
  UCR30085  Mohavea confertiflora George K. Helmkamp 1983-4-5 483- 9 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, 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 I-10 exit ramp 334 Comment
  CAS-BOT-BC215700  Monardella australis Carl B. Wolf 1932-8-5 3964 Riverside San Jacinto Mts. 100 yds. beyond 1 St., meadow on trial from Tahquitz Valley to San Jacinto Peak 2743 Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  UC883593  Monardella breweri subsp. lanceolata I. W. Clokey, E. G. Anderson 1935-8-21 6870 Riverside North Fork San Jacinto River 1500 Comment
  CLARK-A1528-3179  Monardella macrantha subsp. hallii John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  LA96110  Monardella nana Elizabeth McClintock; 1941-7-15 117 Riverside San Jacinto Mountains, on the Idyllwild road, a short distance below the Keen Camp turn off in the canyon where the Pseudotsugas first occur Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  RSA0014348  Monardella nana Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  RSA750404  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  RSA287096  Monardella nana subsp. tenuiflora J. Derby 1978-6-9 s.n. Riverside San Jacinto Mountains: Lake Fulmor. Southeast of present L. Fulmor parking lot. Comment
  RSA750305  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 120 Riverside San Jacinto Mts. Devil s Slide trail. Comment
  RSA750315  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside San Jacinto Mts. on slope south of Strawberry Creek and west of Domengonio Flats. Comment
  UC1499831  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside trail to Hidden Lake (along switchbacks); San Jacinto Mts. Comment
  CAS-BOT-BC248286  Monardella robisonii A. C. Sanders; Mark Elvin; Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns: Split Rock, Joshua Tree National Park, north of Ruby VABM 4351 on west side of road 1296 Comment
  JEPS20718  Monoptilon bellioides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13238 Riverside 11.3 mi n Blythe (U. S. 95); Big Maria Mts. Comment
  POM13931  Monoptilon bellioides P. A. Munz 1922-3-12 4712 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UC672209  Monoptilon bellioides Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  UC218123  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  RSA0099597  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-29 7700 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA262063  Muhlenbergia microsperma E. W. Lathrop 1966-3-23 6085 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. Comment
  UC1117712  Muhlenbergia microsperma A. A. Beetle 1946-4-18 4231 Riverside near Murietta; DeLuz Comment
  UCR252601  Muhlenbergia microsperma T. B. Salvato, Matthew Malle 2013-4-4 7502 Riverside Perris-Aguanga Basin, Sedco Hills, Crab Hollow Circle between Lost Road and Lake View Drive 588 Comment
  UCR90300  Muhlenbergia microsperma F. M. Reed 1920-5-24 4351 Riverside Riverside, Box Springs Mtns: Canyon east of Highgrove, above Eureka Ranch 396 Comment
  RSA337843  Muhlenbergia porteri R. F. Thorne 1979-8-22 53575 Riverside Joshua Tree National Monument: Hidden Valley; Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  UCR49990  Muhlenbergia rigens 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
  POM307297  Muilla maritima Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2155 Riverside Santa Rosa Mountains. Comment
  RSA198992  Muilla maritima Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37426 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR116064  Muilla maritima 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-BC83350  Myosurus minimus Robert F. Thorne 1973-5-23 43866 Riverside Santa Rosa Plateau-Mesa de Colorado. 609 Comment
  RSA67108  Myosurus minimus var. filiformis F. W. Peirson 1922-5-20 3035 Riverside Hemet Valley, San Jacinto Mts. 1387 Comment
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  SD27438  Myriopteris viscida The Brothers Parish 1882-1 Riverside Agua Caliente [now Palm Springs] Comment
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Jul 16 2010
  SD144138  Najas marina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink, Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas); Durmid 7.5' quad. Submerged aquatic in one pond. -36 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
  SEINET3145433  Nama hispida var. spathulata R. W. Spellenberg, N. Zucker 2001-3-24 13180 Riverside Just N of IH-10 on Hayfield Rd., ca. 30 km W of Desert Center, ca. 5 km E of Chiriaco Summit 440 Comment
  UCR228162  Nama hispida var. spathulata Dave Silverman, Onkar Singh 2010-3-27 7856 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  UCR279386  Nama hispida var. spathulata A. C. Sanders, Jim Malusa 2017-3-24 42957 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  POM263110  Nassella cernua J. C. Roos 1937-5-10 430 Riverside Perris Comment
  RSA586486A  Nassella cernua D. L. Banks, Steve Boyd 1995-5-9 343 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area;, W of Woodchuck Campground. 732 Comment
  RSA651755  Nassella pulchra E. W. Lathrop 1964-5-10 25 -2 Riverside 14 mi. W. of Murrieta. 610 Comment
  RSA75132B  Nemacladus glanduliferus F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  UCR282171  Nemacladus glanduliferus A. C. Sanders, Amy Litt, Plant Taxonomy Class 2017-4-8 43204 Riverside Sonoran (Colorado) Desert, near Cactus City Compressor Station, off frontage road south of I-10 and west of Chiriaco Summit 416 Comment
  SEINET10461023  Nemacladus pinnatifidus Piehl 1963-6-2 PIEHL 63547 Riverside Along California Highway 74, 1.2 miles west of Mountain Center 1341 Comment
  OBI42566  Nemacladus ramosissimus A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mts, upper Bee Cyn along the road, 1.3 mi aobve the mouth of the cyn at the San Jacinto River valley 671 Comment
  RSA561058  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7355 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
  UCR266495  Nemacladus ramosissimus Mitch Provance, Robin Kinmont 2015-3-30 315- 57 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, unnamed hill about 0.5 miles W of Skunk Hollow, S of Hidden Lake Rd. 440 Comment
  UCR28721  Nemacladus ramosissimus John C. Roos 1947-3-15 3344 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  SEINET3091664 Image available Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  UCR162413  Nemophila menziesii S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR241581  Nemophila menziesii A. C. Sanders, Timothy W. Chumley 2013-4-2 40746 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA0113523  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2558 Riverside Corona-Elsinore Rd. Comment
  SEINET7063430  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  JOTR37063  Nicolletia occidentalis La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3549 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  RSA16361  Nicotiana bigelovii var. wallacei Percy C. Everett 1935-6-18 7171 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  RSA210980  Nicotiana bigelovii var. wallacei C. W. Tilforth 1969-7-27 230 Riverside West of Lake Elsinore, at summit along Hiway 74. Comment
  JOTR35444  Nicotiana obtusifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 49 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SBBG32354  Nicotiana obtusifolia L. S. Rose 1967-12-19 Riverside La Quinta 15 Comment
  SBBG6606  Nicotiana obtusifolia H. and M. Dearing 1942-3-12 4832 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  RSA0018754  Nicotiana obtusifolia I. M. Johnston 1917-4-4 s.n. Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA604859  Nicotiana quadrivalvis A. C. Sanders, J. C. Lyman 1995-4-16 16562 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UCR59509  Nicotiana quadrivalvis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3559 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  RSA146298  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1302 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  RSA659517  Oenothera deltoides J. C. Roos 1966-3-12 s.n. Riverside Indio. Comment
  JEPS25889  Oligomeris linifolia W. L. Jepson 1927-4-12 11670 Riverside ne Mecca (Painted Canyon); Colorado Desert, Painted Canyon 76 Comment
  UCR68715  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  UCR155817  Oncosiphon piluliferum 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
  UCR225721  Oncosiphon piluliferum A. C. Sanders 2011-3-30 38906 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR241846  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  JOTR34181  Opuntia phaeacantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3231 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA286799  Orcuttia californica R. F. Thorne 1974-5-23 44665 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA623869  Orcuttia californica Jon E. Keeley 1985-7-31 7968 Riverside Mesa de Colorado, Santa Rosa Plateau. 610 Comment
  UC1532824  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47312 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UCR168362  Orobanche cooperi C. B. Wolf 1932-4-29 3113 Riverside Eastern Sonoran (Colorado) Desert, 4 mi south of Browns Well on Blythe to Rice Road 213 Comment
  RSA602272  Orobanche cooperi Louis C. Wheeler 1952-4-5 6848 Riverside Mecca: Box Canyon Road at canal. Comment
  UC455564  Orobanche fasciculata I. J. Condit 1910-6-22 Riverside San Jacinto Mountains. Comment
  UCR21186  Orobanche fasciculata A. C. Sanders 1980-5-1 1382 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  UCR263229  Orobanche fasciculata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41461 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA0059162  Orobanche parishii subsp. parishii Noel Wallace 1938-06 BS. 562 Riverside Box Springs Mts., near Riverside. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  RSA722451  Oxalis corniculata Olive Van Meter s.n. Riverside Black Star Canyon. Comment
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Mar 5 2018
  UCR113534  Oxalis rubra Mitch Provance 2000-4-14 1899 Riverside UCR Family Housing, 3360 Idaho St., Riverside c. 320 Comment
  RSA392900  Oxytheca emarginata Anstruther Davidson 1921-9-1 s.n. Riverside Mt. Tahquitz Comment
  RSA189  Oxytheca trilobata J. T. Howell 1928-7-8 1047 Riverside Santa Ana Mountains above Glen Ivy 1220 Comment
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Jun 22 2019
  SD152794  Paeonia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6746 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Morgan Trail from Round Potrero west to junction with Tenaja Trail in North-fork Bear Creek. 2200 Comment
  CDA8438  Palafoxia arida M. S. Wasbauer 1960-3-26 Riverside Palm Springs. 0 Comment
  UCD134888  Palafoxia arida Geoffrey Levin 1975-4-5 462 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR89578  Palafoxia arida George K. Helmkamp 1994-3-8 41 9 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  POM308547  Palafoxia arida var. arida Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3148 Riverside 10 miles east of Indio. Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM363748  Palafoxia arida var. arida F. R. Fosberg 1932-3-13 8093 Riverside Thousand Palms Canyon. Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA550017  Palafoxia arida var. arida Walter Wisura, C. Demme 1992-4-13 4680 Riverside Low desert; 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  UCSB9697  Palafoxia arida var. arida Leeuwen, Henry 1957-4-13 Riverside On shoulder of Cal. Hwy. 195 about 10 miles west of U.S. 60 Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  RSA678977  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR17636  Panicum alatum var. minus Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  RSA653404  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  UCR90598  Panicum capillare Scott D. White 1995-6-29 3379 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  UC1595600  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside e of Dripping Springs Campground (in Cleveland National Forest, base of Agua Tibia Mountain, Vail Lake Area, s of Highway 79); Cleveland National Forest, Agua Tibia Mountain, Vail Lake Ar 548 Comment
  UCD95992  Papaver californicum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20631 Riverside San Jacinto Mountains; N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  CLARK-A1528-4390  Parietaria floridana John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  CSUSB1107  Parkinsonia aculeata R. Van Curen 1970-5-20 28 Riverside Base of Mount Rubidoux at Exit. Roadside. 259 Comment
  RSA791480  Parkinsonia florida Jim Andre 2012-4-15 20852 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  SJSU10308  Parkinsonia florida R. C. McGehee 1971-4-12 364 Riverside 10 mi NE of Desert Center on Rice-Desert Center Rd Comment
  RSA704041  Parosela spinosa J. Russell Bruff 1929-12-28 453 Riverside Dos Palmas Comment
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Apr 28 2011
  RSA500158  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3643 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR2643  Paspalum distichum F. M. Reed 1906-8-24 1183 Riverside Riverside, corner of Buchanan and MacKay (?) ranches, Blaine Street 305 Comment
  RSA500149  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3651 D Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA0031466  Pectis papposa Kristin Forgrave, Joshua Paolini 2013-8-7 30 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  JOTR28754  Pectocarya heterocarpa La Doux, Tasha, Bill Truesdell 2004-3-11 1035 Riverside Joshua Tree National Park. Pinto Basin; sand hills 487 Comment
  RSA517820  Pectocarya heterocarpa Steve Boyd, Orlando Mistretta 1986-3-13 1437 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  RSA689370  Pectocarya linearis Scott D. White 2001-4-19 8373 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA594127  Pectocarya linearis subsp. ferocula D. L. Banks, Victor Steinmann 1996-4-20 889 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  UCR84836  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA0106691  Pectocarya platycarpa Duncan S. Bell, Thomas Stoughton 2010-3-19 559 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2 air miles west of Priest Well. 449 Comment
  UCR241799  Pectocarya platycarpa A. C. Sanders, Ann Howald 2013-2-28 40562 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR92606  Pectocarya platycarpa George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCR41526  Pectocarya recurvata A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6020 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  RSA0036643  Pectocarya setosa Robt. Allen, Fred M. Roberts Jr., Steve D. Boyd, Andrew C. Sanders 2009-4-10 s.n. Riverside Peninsular Ranges; Santa Ana Mountains region: Elsinore Mountains, 676 air meters (0.42 air miles) southeast of Elsinore Peak summit. 1002 Comment
  CLARK-A1528-37  Pellaea andromedifolia E. Kozloff 1938-1-9 Riverside Corona Comment
  RSA0120313  Pellaea andromedifolia Duncan S. Bell 2016-4-16 9314 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SEINET10793718  Pellaea andromedifolia George Yatskievych 1981-4-24 Yatskievych 81 -135 Riverside S end of Joshua Tree National Monument. Highway 79, ca. 3 mi. S.of Banning; at foot of mountains. 762 Comment
  UCR240655  Pellaea andromedifolia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 43 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  UCR174376  Pellaea mucronata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32624 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SEINET10568080  Pellaea mucronata David B. Dunn 1941-1-12 Dunn 675 Riverside Palms to Pines Hwy; opposite the Hermit Ranger Station. Comment
  JOTR16828  Pellaea mucronata var. mucronata Supernaugh, William JR. 1967-2-16 59 Riverside Joshua Tree National Park. 1/4 MILE WEST OF IVANPAH TANK 1316 Comment
  RSA598047  Pennisetum clandestinum N. M. Fellows 1982-5-7 s.n. Riverside UCR Campus Comment
  UCR239595  Pennisetum setaceum Lynn Sweet 2010-3-12 s.n. Riverside Peninsular Range/Sonoran (Colorado) Desert, Santa Rosa Mountains, UC Boyd Deep Canyon Reserve, Coyote Canyon 302 Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  RSA297383  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 to Santa Rosa Mt.; loose granite soil. 1646 Comment
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  UCR120823  Penstemon centranthifolius Ian G. Gillespie, Summer Karsh 2000-5-13 42 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 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
  CAS-BOT-BC265288  Penstemon clevelandii subsp. connatus C. Epling 1937-4-10 s.n. Riverside Near Pinon Flats, San Jacinto Mountains Comment
  JEPS8086  Penstemon grinnellii var. grinnellii Carl V. Meyer 1928-7-31 607 Riverside Summit of Tahquitz Peak San Jacinto Mountains, Summit of Tahquitz Peak Comment
  RSA0014867  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  NY661175  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-6 457 Riverside 0.4 mile north of Fulmore Lake on Idylwild to Banning Road Comment
  RSA687426  Pentagramma triangularis Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon 457 Comment
  RSA0060325  Pentagramma triangularis Darin L. Banks, Lauren Raz 1996-11-5 1171 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  SBBG59640  Perideridia parishii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  SEINET3127005 Image available Perityle emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37477 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
  RSA155456  Petalonyx thurberi L. S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  UCR218316  Peucephyllum schottii Jim Andre, T. La Doux 2009-3-10 11248 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR226767  Peucephyllum schottii Jim Andre 2011-2-9 15898 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA928  Peucephyllum schottii J. T. Howell 1927-8-1 531 Riverside Mission Creek, Colorado Desert. 610 Comment
  UCR18183  Phacelia affinis A. C. Sanders 1978-4-30 00386 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA427704B  Phacelia ambigua Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA487229  Phacelia brachyloba James L. Reveal, C. Rose Broome 1987-6-27 6607 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  POM14060  Phacelia campanularia P. A. Munz, D. D. Keck 1922-4-14 5003 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 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
  UCR112405  Phacelia cicutaria var. hispida A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23455 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  CLARK-A1528-2999  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  HSC13640  Phacelia crenulata R. A. Eagle 1964-3-28 18 Riverside N end of Salton Sea State Park Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  SD52981  Phacelia curvipes Peter H. Raven 1962-5-18 17756 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains. 1615 Comment
  JEPS2004  Phacelia distans W. L. Jepson 1901-5-17 1241 Riverside San Jacinto River San Jacinto Valley Comment
  JEPS2379  Phacelia distans Dr. L. M. Newlon 1922-4-3 437 Riverside Andreas Canyon San Jacinto Mts. Comment
  UC702033  Phacelia distans Frank W. Gould 1943-4-17 2104 Riverside on Elsinore road 12 mi s Corona Comment
  SD72110  Phacelia imbricata subsp. patula John Thomas Howell 1927-8-2 2915 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto. Comment
  POM346647  Phacelia minor Barry Burnell 1970-3-24 165 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  SD247661  Phacelia minor J. Mark Porter, Lauren E. Machen 1997-2-15 11418 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mile NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR155946  Phacelia minor T. B. Salvato, Kent Beaman 2005-5-16 818 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
  UCR262563  Phacelia minor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3758 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UCR41359  Phacelia minor N. M. Fellows 1985-3-16 108 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  UCR97446  Phacelia minor A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19866 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCSB5413  Phacelia minor Koran, Jr., John 1958-3-28 Riverside 13 miles North of Palm Springs on Highway 111 Comment
  UC701984  Phacelia mutabilis Alan A. Beetle 1946-6-10 4344 Riverside ridge at top of Tahquitz Valley Mount San Jacinto 2438 Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  RSA6102  Phacelia ramosissima var. latifolia Carl B. Wolf 1932-5-24 3642 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UCR33708  Phalaris minor Faulkner 1978-4-27 508 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UC1075773  Philadelphus microphyllus var. stramineus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon up from end of trail, W slope of San Jacinto Mts. Comment
  JEPS69926  Phlox austromontana W. L. Jepson 1907-5-25 1439 Riverside near Santa Rosa Peak (sw side in upper Coyote Canyon); Coyote Canyon 762 Comment
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Dec 12 2011
  RSA0034087  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills peak 1642. 103 Comment
  POM296768  Pholistoma membranaceum Lyman Benson 1945-4-6 11656 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  SBBG6207  Pholistoma membranaceum C. H. Muller 1952-4-5 9492 Riverside White Water Cyn, 1 mi above Whitewater Comment
  UC2015687  Phoradendron bolleanum A. C. Sanders 1995-4-13 16482 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
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  UCR111509  Phoradendron villosum A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  CAS-BOT-BC502089  Physalis crassifolia A. C. Sanders; Jim Malusa 2015-9-10 41858 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  UCSB44889  Physalis crassifolia Collins, Elizabeth 1977-3-30 Riverside Corn Springs campground, 8 miles south of Hwy 10 457 Comment
  UCR91040  Physalis lancifolia George K. Helmkamp 1996-1-18 96-8- 01 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  JOTR35302  Physaria tenella Andre, Jim 2012-4-11 20800 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
  RSA0094753  Physaria tenella Jim M. Andre 2012-4-11 20800 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
  RSA336065  Pilularia americana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51981 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  LA6070  Pinus coulteri Carl Epling; 1932-11-9 sn Riverside 3 mi. below Idyllwild Comment
  UC1600403  Pinus lambertiana H. M. Hall 1901-1-1 2613 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
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Feb 3 2014
  RSA384373  Pinus monophylla Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCSB38389  Pinus pinea S. Austin 1969-10-10 Riverside UNIV. CALIF. RIVERSIDE Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
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Oct 25 2011
  RSA715055  Pistacia atlantica A. C. Sanders, T. B. Salvato 2003-5-21 26801 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD227712  Pistacia atlantica A. C. Sanders 1994-5-15 14480 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. Comment
  UCR209164  Pistacia atlantica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37157 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 335 Comment
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  OBI53725  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside At Benton Rd and San Diego aqueduct, 1/2 mi E of Winchester Rd, NE of Murrieta 411 Comment
  UCR155936  Plagiobothrys canescens 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
  UCR281250  Plagiobothrys canescens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 36 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  SDSU18963  Plagiobothrys canescens var. canescens C. Matt Guilliams, Jeannine Ross 2008-3-12 534 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. 436 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR225440  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-3-29 38845 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR226050  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2011-4-1 38955 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR233575  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-12 40035 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
  CAS-BOT-BC334461  Plagiobothrys collinus var. californicus A. C. Sanders; John F. Green 2013-3-27 40684 Riverside Peninsular Range: Alberhill, dirt track NE of new sectionof Nichols Rd. S of Lake St. 433 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  SEINET998820  Plagiobothrys collinus var. californicus Mitch Provance 2003-1 6608 Riverside San Bernardino Valley: SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St. 274 Comment
  RSA679813  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  SBBG34214  Plagiobothrys collinus var. fulvescens H. Haid 1969-5-11 Riverside Bautista Cyn, ca. 20 mi SE of Hemet 914 Comment
  UC1506500  Plagiobothrys fulvus A. C. Sanders and T. Glenn 1983-4-17 3736 Riverside 5 mi (airline) s Murrieta; Santa Ana Mountains, Mesa de Colorado 609 Comment
  RSA639627  Plagiobothrys fulvus var. campestris R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51976 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  SD152908  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail. 730 Comment
  UCR111996  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2000-5-25 23421 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
  UCR91281  Plagiobothrys leptocladus Scott D. White, M. Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR171975  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  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
  SBBG53772  Plagiobothrys tenellus S. Boyd 1980-4-27 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  UC1931224  Plagiobothrys tenellus Scott D. White, Justin Wood 2008-6-18 12242 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  RSA234043  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-19 37972 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  CDA41403  Plantago aristata J. W. Gilmore Jun 1923 s.n. Riverside Aguanga. 0 Comment
  SD262337  Plantago elongata Mitch Provance, Jeremiah George 2017-3-23 317 64 Riverside Elsinore Trough: Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. (Lake Elisonore 7.5'Q) 676 Comment
  UCR85533  Plantago elongata A. C. Sanders 1993-4-5 13695 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA0056198  Plantago insularis Keith E. Hoffmaster 1935-3-3 837 Riverside Near Santa Ana River, north of Arlington. Comment
  JEPS7193  Plantago ovata W. L. Jepson 1927-4-12 11645 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA770450  Plantago ovata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4562 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR244913  Plantago ovata Jim Andre 2012-3-19 21354 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  POM312789  Plantago ovata var. fastigiata D. Taylor 1951-3-23 19 Riverside N of Blythe along Colorado River, Maria Mt Rang. 335 Comment
  RSA48412  Plantago ovata var. fastigiata E. K. Balls 1949-4-2 12897 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  UC4555  Platanthera leucostachys H. M. Hall July 1901 2448 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1889 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
  UCR208855  Platanus racemosa C. B. Wolf 1932-5-24 3647 Riverside Peninsular Range; San Jacinto Mtns., Snow Creek Canyon, 1/2 mile below the fish hatchery, north base of San Jacinto Mtn. 549 Comment
  UCR224260  Platanus racemosa Robt. L. Allen, Fred M. Roberts 2007-6-22 s.n. Riverside San Jacinto Mtns. Foothills, SE of Hemet, Bautista Cyn, c. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. 727 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC28847  Plectritis ciliosa subsp. insignis H. M. Hall May 1899 1126 Riverside San Jacinto Mountains, on Chalk Hill Chalk Hill; San Jacinto Mountains, Chalk Hill 1584 Comment
  POM1027  Pleuraphis rigida H. M. Hall 1902-04 2847 Riverside Coyote canyon 152 Comment
  CAS-BOT-BC326650  Pleurocoronis pluriseta E. A. McGregor 1917-3-18 735 Riverside 5 miles up Painted Canyon, Colorado Desert Comment
  JEPS18558  Pleurocoronis pluriseta W. L. Jepson May 17 1901-Jun 1 1901 1405 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's Mt. San Jacinto Comment
  UCR18637  Pleurocoronis pluriseta John C. Roos 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns. 3 mi. SE of Desert Center Comment
  JEPS40438  Pluchea sericea W. L. Jepson 1901-5-19 1273 Riverside San Jacinto River Southern California, San Jacinto River Comment
  SEINET3104756  Pluchea sericea Faulkner 1978-3-21 345 Riverside 9 mi N of Blythe, Hwy 95. 152 Comment
  UCR182101  Poa annua Tom Chester 2006-3-9 870 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Hidden Valley Road, immediately south of Cole Creek crossing that is 0.38 miles (0.61 km) south of Tenaja Road 582.3 Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  UCR20873  Poa secunda A. C. Sanders 1978-7-3 896 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  JOTR30224  Poa secunda subsp. secunda Leary, C. and Leary, Pat 1979-5-5 2998 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 Comment
  UCD91780  Poa secunda subsp. secunda F. W. Peirson 1921-3-22 5368 Riverside Murray Canyon, Colorado Desert. 396 Comment
  RSA0013161  Polygonum aviculare LeRoy Gross, Caitlin Elam 2013-5-14 6061 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
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  UCR119815  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23095 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR92272  Polygonum lapathifolium Scott D. White 1995-8-23 3567 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
  UC1931197  Polypogon monspeliensis Scott D. White, Justin Wood 2008-7-9 12412 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR2730  Polypogon monspeliensis H. S. Fawcett 1914-8-21 1630 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  RSA573439  Populus fremontii Steve D. Boyd, D. L. Banks 1994-9-8 8336 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest, head of shallow draw on flats northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail (Tenaja Road, 7S01). 585 Comment
  UCR139638  Populus fremontii A. C. Sanders 2004-6-30 28394 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
  UCR3415  Populus fremontii H. M. Whistler 1964-5-3 640503- 01 Riverside San Bernardino Valley Region, city of Riverside, Santa Ana River bottom, 0.25 mi north of Buena Vista Ave. on Scout Lane 244 Comment
  LA208534  Populus fremontii subsp. fremontii Mary V. Hood; 1945-3-25 45- 17 -k* Riverside Aguanga 587 Comment
  RSA799070  Populus fremontii subsp. fremontii Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6866 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  CAS-BOT-BC356162  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi. below Cottonwood Spgs., Joshua Tree Nat. Monument Comment
  RSA463701  Porophyllum gracile Harold Lint 1958-5-25 2035 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR121171  Porophyllum gracile D. E. Bramlet 1989-5-20 1877 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  CAS-BOT-BC267210  Potamogeton foliosus Steve Boyd 1994-10-14 8387 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, canyon bottom along San Mateo Creek at confluence with Bluewater Creek 329 Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  CAS-BOT-BC540420  Potentilla gracilis var. fastigiata F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  RSA0005686  Potentilla hassei H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC206989  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  POM348749  Prosopis glandulosa var. torreyana Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA0105950  Prosopis glandulosa var. torreyana Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  JEPS65606  Prosopis pubescens Marjorie D. Clary 1932-5-29 2427 Riverside Coral Reef Ranch; Colorado Desert, Coachella Valley -13 Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  UC472697  Prunus emarginata M. F. Spencer 1924-5-31 Riverside Upper Tahquitz Valley, San Jacinto Mountains Upper Tahquitz Valley; San Jacinto Mountains, Upper Tahquitz Valley 2438 Comment
  LA31365  Prunus fasciculata Jane Turner; Barbara Eliteul, Virginia Sipholn 1959-3-21 C 176 Riverside Morongo Wash Comment
  RSA453231  Prunus fasciculata M. B. Dunkle 1934-2-25 3851 -b Riverside Dry Morongo, Colorado Desert. 244 Comment
  UCR265572  Prunus fasciculata Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 13 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA453241  Prunus fremontii E. Crow 1929-2-24 172 Riverside Andreas Mesa, SW Palm Springs. Colorado Desert. Comment
  RSA704903  Prunus ilicifolia J. B. B. 1934-6-18 533 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR193978  Prunus ilicifolia A. C. Sanders 2008-7-25 35913 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA15495  Psathyrotes ramosissima L. S. Rose 1935-12-23 35686 Riverside 7 miles south of Cathedral City 152 Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  SEINET2054371 Image available Psathyrotes ramosissima Joe Barrington 1968-5-11 68051114 Riverside Outside Palm Desert on Hway 74 at the edge of the valley floor, entering the mts. to Santa Rosa Mt., 100 yards from road. 609 Comment
  SDSU13327  Pseudognaphalium microcephalum Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  RSA759172  Pseudotsuga macrocarpa Doug Goldman, Pat Griffith 2005-3-4 3048 Riverside South side of Route 74, about 0.7 miles west of the intersection with Route 243. San Bernardino national Forest. 1326 Comment
  JEPS35436  Psilostrophe cooperi W. L. Jepson 1928-4-25 12581 Riverside Cottonwood Springs Colorado Mts., Eagle Mts. 731 Comment
  JEPS41711  Psorothamnus arborescens var. simplicifolius W. L. Jepson and H. M. Hall 1901-5-22 1348 Riverside Palm Canyon and return to Van Deventers Comment
  SD193049  Psorothamnus arborescens var. simplicifolius Scott D. White, Angelia Carey 2004-6-4 10479 A Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence. 502 Comment
  HSC66747  Psorothamnus emoryi D. Goforth, D. Reed 1980-3-25 354 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 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
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  SEINET4560279  Psorothamnus emoryi Duncan S. Bell 2009-1 211 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR241508  Psorothamnus emoryi A. C. Sanders, Ann Howald 2013-2-27 40549 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  SEINET11132326 Image available Psorothamnus emoryi S. B. Parish 1906-5-1 910 a-6725 Riverside Colorado desert at Palm Springs Comment
  UCR279354  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-3-23 42911 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
  IRVC28835  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Coachella Valley; N of Agua Caliente Indian Reservation; N of Ramon St.; 3km NW of thousand Palms Northern Sonoran Desert 183 Comment
  UCR148301  Psorothamnus schottii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM47617  Psorothamnus spinosus M. French Gilman 1924-07 s.n. Riverside Near Palm Springs. Comment
  SEINET13373614 Image available Psorothamnus spinosus Victor Duran 1933-1 3499 Riverside Coachella Valley at Deep Canyon 244 Comment
  UC154566  Psorothamnus spinosus Rensselaer J. Smith May 1904 Riverside White Water 396 Comment
  UC945498  Psorothamnus spinosus Howard Scott Gentry 1938-7-6 3789 Riverside Coachella Valley Comment
  UCSB26209  Pteridium aquilinum Gliessman, Stephen 1968-7-18 Riverside Along Saunders Road, 0.5 mile north of junction with Idyllwyld Road, San Jacinto Mountains 1600 Comment
  CAS-BOT-BC460529  Pterospora andromedea S. B. Parish; W. F. Parish 1881-7-24 968 Riverside San Jacinto Mt. Comment
  SBBG103856  Pterostegia drymarioides M. A. Patten 1992-5-7 92 -28 Riverside Via Vaquero at Via Oesta, ca. 5 km W of Temecula, Santa Rosa Plateau Comment
  UCR241689  Pterostegia drymarioides T. B. Salvato 2013-3-22 7403 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR87623  Pterostegia drymarioides A. C. Sanders 1994-5-30 14611 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR266255  Pulicaria paludosa D. E. Bramlet 2006-7-25 4040 Riverside Perris-Aguanga Basin Region, Haddock St., Winchester 450 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  UCR264636  Quercus Mitch Provance 2012-4-27 412- 18 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA339327  Quercus X munzii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53573 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  RSA666650  Quercus berberidifolia A. C. Sanders, Kent Beaman 2002-5-10 25055 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR139055  Quercus berberidifolia D. L. Banks, J. Moreno 1997-2-5 1248 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR182502  Quercus berberidifolia Andrea Salzman, Ricky Escobar, et al 2006-4-10 44 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  UCR264646  Quercus berberidifolia Mitch Provance 2012-4-27 412- 16 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  JEPS38046  Quercus chrysolepis C. V. Meyer Jun 1927 165 Riverside Saunder's Meadow 1737 Comment
  RSA761231  Quercus chrysolepis Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 724 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SD229169  Quercus chrysolepis Dick Schwenkmeyer 2012-3-26 684 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  IRVC26855  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9022 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  JOTR36417  Quercus cornelius-mulleri La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3363 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA39262  Quercus cornelius-mulleri P. A. Munz 1946-10-19 11568 Riverside 1 miles east of Anza. 1159 Comment
  SBBG113410  Quercus cornelius-mulleri D. Wilken with E. Painter 2000-11-4 15867 Riverside St Hwy 71, ca. 4 mi E of Anza, N of Burnt Valley, SE base of Thomas Mtn 1400 Comment
  JOTR00985  Quercus cornelius-mulleri Cole, James E. 1941-5-17 728 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA39264  Quercus turbinella P. A. Munz 1946-10-19 11569 Riverside 1 miles east of Anza. 1159 Comment
  UCR277496  Quercus wislizeni Mitch Provance 2010-7-6 610- 01 Riverside Bridges Creek, eastern end of San Timoteo Canyon, at northwest edge of City of Beaumont, west side of the I-10, about 0.3 miles south-southeast of Oak Valley Parkway. 752 Comment
  RSA614300  Rafinesquia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1508 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
  SD152922  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail downstram to the confluence with San Mateo Creek. 334 Comment
  UCR89850  Rafinesquia californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3321 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR279567  Rafinesquia neomexicana A. C. Sanders, Jim Malusa 2017-3-29 43176 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SEINET13717527  Ranunculus aquatilis Unknown 1969-5-15 3226 Riverside 6 miles W. of Murrieta on Santa Rosa Plateau at Tenaja Lake; ca. 2 mi. E. of Tenaja Forest Station Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  UCR201654  Ranunculus californicus Scott D. White, Justin M. Wood 2008-5-15 12006 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0019611  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak, near the summit. 3287 Comment
  RSA561779  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SDSU13624  Rhamnus crocea W. Miller 1972-8-24 Riverside Northwest corner above small valley. Comment
  RSA180486  Rhamnus ilicifolia E. W. Lathrop 1960-6-8 4910 -b Riverside 14 miles west of Murrieta Comment
  UCR94963  Rhamnus tomentella subsp. tomentella Scott D. White 1996-8-16 4485 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  UCSB25310  Rhododendron occidentale Gliessman, Stephen 1968-7-11 Riverside 0.6 mile south of Little Round Valley on the Deer Springs Trail, San Jacinto Mountains 2895 Comment
  RSA0034868  Rhododendron occidentale Norman C. Cooper 1944-6-17 1403 Riverside San Jacinto Mountains, above Banning. 1371 Comment
  CDA28746  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9791 Riverside San Jacinto Mountains; Fuller Mill Creek, immed. upstream from crossing of Idyllwild Panoramic Hwy. 1615 Comment
  CAS-BOT-BC170528  Rhus aromatica H. E. McMinn 1925-7-2 1515 Riverside Tahquitz Trail to Tahquitz Peak, San Jacinto Mts. Comment
  UCR19136  Rhus aromatica John C. Roos 1948-5-15 3831 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCR94062  Rhus aromatica Scott D. White, Duayne Haselfeld 1996-7-2 4269 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
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  POM86228  Rhus ovata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR30589  Rhus ovata John C. Roos 1948-5-29 3872 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  SEINET10494683  Rhus ovata Timothy Reeves 1978-5-13 Reeves 6878 Riverside San Jacinto Mts. 5 mi S of Banning on Hwy 243. Chaparral. Ferns among rocks (ig) or in crevices. 1097 Comment
  SEINET244848  Rhus trilobata A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24925 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  UC303774  Rhus trilobata S. B. Parish 1918-4-3 11698 Riverside canyon of San Jacinto River (Oak Lodge) Comment
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Nov 20 2011
  RSA476151  Ribes cereum M. B. Dunkle 1933-7-19 3683 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  SEINET238729 Image available Ribes indecorum A. C. Sanders 1998-1-15 21628 Riverside Lake Skinner area: Black Mtn. along road up north side. 884 Comment
  CAS-BOT-BC168949  Ribes malvaceum Carl B. Wolf 1932-2-11 2643 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  VVC471  Ribes malvaceum P. J. MacKay 1975-1 s.n. Riverside Transverse Mountain Range, "Few miles S. of Banning on Hwy. 243, 22.18 miles from county line"??? the liberty was taken to juxtapose a google location as 22 miles from N or S Co line places the location in Idyllwild and the label data clearly states chaparral and a few miles S of Banning; so.... 1534 Comment
  CAS-BOT-BC212608  Ribes montigenum Edmund C. Jaeger 1921-6-19 s.n. Riverside Round Valley, San Jacinto Mountains 2743 Comment
  CAS-BOT-BC219233  Ribes nevadense Nancy Ryan Zabriskie; Walter Zabriskie 1971-5-16 406 Riverside Beside Banning Road below Pine Cove, W slope San Jacinto Mountains 1524 Comment
  POM48734  Ribes nevadense P. A. Munz, I. M. Johnston 1924-7-27 8754 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SEINET10815008  Ricinus communis David B. Dunn 1948-1-25 Dunn 3649 Riverside Found in ravine northeast of the top of the grade east of Riverside, CA about 5 miles out. Comment
  RSA722426  Romneya coulteri Pomeroy 1929-5-11 s.n. Riverside Glenn Ivy Comment
  CSUSB1439  Rorippa nasturtium-aquaticum D. Vander Ven 1968-5-1 S. N. Riverside Santa Ana River Santa Ana River, in water along the south bank of island just west of the railroad bridge near Freemont Street, Riverside; 35 feet from east end of island 213 Comment
  UC1563097  Rorippa nasturtium-aquaticum Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3563 Riverside along Arroyo Seco drainage from jtn with Kolb Creek (s to w/in 1/4 mi Highway 79); Vail Lake Area, along Arroyo Seco drainage, Kolb Creek 457 Comment
  RSA761753  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 648 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC64527  Rosa californica H. M. Hall 1897-6-4 588 Riverside Riverside Comment
  UCR82763  Rosa californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15791 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  UCR90337  Rosa californica Scott D. White 1995-6-29 3412 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  CAS-BOT-BC158734  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  UCR241235  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 681 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon below the road fork 854 Comment
  UC6936  Rumex conglomeratus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC433587  Rumex hymenosepalus Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3954 Riverside Vail Lake area, granitic ridge at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  UCD101315  Rumex hymenosepalus R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA605749  Sagina apetala A. C. Sanders 1996-3-17 17985 Riverside Coachella Valley: Palm Springs, mouth of Palm Canyon, ca. 0.5km E of Palm Canyon Dr. on Bogert trail. 163 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. Comment
  UCR199673  Salicornia virginica Scott D. White, Justin M. Wood 2008-6-26 12296 Riverside Perris Basin, Hwy I-215 at stream crossing, just west of golf course and just north of Newport Road 434 Comment
  SBBG56034  Salix exigua C. Davidson 1977-4-7 5593 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  UC483067  Salix exigua F. R. Fosberg 1932-3-13 8078 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  CAS-BOT-BC108105  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside In sandy alkali loam of overflow land back of Colorado River, about 800 m. from State Inspectoin Station, on way to Blythe Bridge. 90 Comment
  POM361013  Salix gooddingii Philip A. Munz 1932-3-24 12031 Riverside North of Elsinore 305 Comment
  SD186326  Salix gooddingii Andy C. Sanders, D, Malueg 2003-5-8 26560 Riverside San Jacinto Valley: San Jacinto River bottom, N of San Jacinto and SE of State St. 465 Comment
  UCR136165  Salix gooddingii A. C. Sanders 2004-6-20 28219 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR252611  Salix gooddingii T. B. Salvato, Matthew Malle 2013-4-2 7496 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA772064  Salix laevigata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4461 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
  UC846603  Salix laevigata I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4738 Riverside Gavilan Peak 500 Comment
  UC914199  Salix laevigata Charles B. Fiker 1946-4 3358 Riverside road dip s. of Temecula bridge (Hwy. 395) Comment
  RSA495789  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2896 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA586051  Salix lasiolepis D. L. Banks, Steve D. Boyd 1995-3-16 90 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 512 Comment
  RSA0010976  Salix scouleriana Robert F. Thorne, Walter Wisura 1977-9-17 50780 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA587143  Saltugilia caruifolia D. L. Banks, S. D. Boyd 1995-6-2 0554 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of sections 32 & 33. 1042 Comment
  RSA469678  Saltugilia splendens E. C. Jaeger 1921-6-18 5457 Riverside San Jacinto Mountains: Caramba, Tahquitz Creek. 1829 Comment
  UC61511  Salvia apiana L. D. Copeland Apr 1904 Riverside West Canyon West Canyon, Palm Springs; Palm Springs Comment
  UCR115922  Salvia apiana Mitch Provance 1998-4-24 1115 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR94650  Salvia apiana Scott D. White 1996-5-27 4070 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA0048542  Salvia apiana var. compacta L. Haines 1950-4-30 s.n. Riverside Palms to Pines Hgw., E. slope of Santa Rosa Mts. Comment
  UCLA70112  Salvia carduacea C. Epling and J. Ewan Jun 1933 Riverside near Alberhill; Temescal Canyon Comment
  UCR172728  Salvia carduacea Andrea Salzman, Rosina Gallego 2006-4-21 83 Riverside Perris-Aguanga Basin, Wilson Valley between Sage and Radec, off Sage Road 640 Comment
  CHSC785  Salvia columbariae 1940-2-25 Riverside Temescal Canyon. Santa Ana river. Comment
  CLARK-A1528-584  Salvia columbariae C. M. Flanagan 1973-5-20 OO 526 Riverside Morongo Indian Reservation 1158 Comment
  JOTR31858  Salvia columbariae La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2115 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA401473  Salvia columbariae N. C. Cooper 1949-4-8 3261 Riverside Palm Springs. 457 Comment
  SD187431  Salvia columbariae Scott D. White, Angelia Carey 2004-4-16 10164 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SDSU7473  Salvia columbariae Pamela A. Beare 1992-3-13 13 III92C Riverside just norh of Box Canyon road. approx 7 miles ca. east of Painted Canyon Road, east of Mecca. Comment
  SDSU7474  Salvia columbariae J. Godsil 1953-3-20 583 Riverside Hwy to 29 alms; Johua National monument. Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  SFV4252  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 b Riverside Palms to Pines Highway. Comment
  UCR116532  Salvia columbariae A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24182 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
  CAS-BOT-BC221084  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles north-east of Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  CAS-BOT-BC6097  Salvia greatae Harvey Monroe Hall; L. A. Greata 1905-4-22 5848 Riverside Colorado Desert; near Dos Palmas Comment
  RSA434140  Salvia mellifera Ora M. Clark 1929-4-16 1933 Riverside E. Riverside. Comment
  UC1979593  Salvia mellifera D. L Banks, Steve Boyd 1995-3-30 0129 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. Comment
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Apr 17 2019
  UCR121321  Salvia mellifera A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24999 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR18778  Salvia vaseyi John C. Roos 1948-5-8 3825 Riverside San Bernardino Mtns, Whitewater 579 Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  UCSB63394  Salvia vaseyi Sanders, A. 1995-4-27 Riverside Coachella Valley; foot of the Little San Bernardino Mtns; canyon E of Fan Hill; just outside Joshua Tree Nat. Park; T3S, R7E, S/2 sec. 27 550 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  CAS-BOT-BC238850  Sambucus nigra subsp. caerulea A. M. Vollmer; L. Beane 1953-6-29 15 Riverside Below Idylwild [Idyllwild], San Jacinto Mountains Comment
  CAS-BOT-BC238855  Sambucus nigra subsp. caerulea A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-7 24168 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
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Dec 7 2018
  UCR171897  Sanicula arguta 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
  UCR160690  Sanicula crassicaulis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UC456155  Sarcodes sanguinea I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UCR112480  Sarcostemma cynanchoides A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23328 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR21168  Sarcostemma cynanchoides 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
  UCR33583  Sarcostemma cynanchoides Faulkner 1978-4-27 506 Riverside Eastern Colorado Desert, 22 mi NW of Blythe, north and west of Midland 306 Comment
  UCR42  Sarcostemma cynanchoides Frank C. Vasek 1955-5-21 204 Riverside San Jacinto Mtns, Cranston Ranger Station, San Jacinto River Canyon 579 Comment
  UC23113  Sarcostemma cynanchoides subsp. hartwegii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UC907579  Sarcostemma hirtellum Mary L. Bowerman 1949-4-18 4303 Riverside 14.8 mi. e. of junction with Hwy. 99 U.S. Hwy. 70 (Indio to Blythe) (0.4 mi. e. of Cactus City garage, n. of hwy.) 502 Comment
  UCR41841  Sarcostemma hirtellum A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6066 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  SD224816  Schinus polygamus A. C. Sanders, G. K. Helmkamp 1995-12-5 17930 Riverside Riverside; abandoned orange orchard on Spruce ST. at Canyon Crest Dr. 305 Comment
  CAS-BOT-BC239932  Schismus arabicus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37448 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  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
  SEINET8043499 Image available Schismus arabicus Duncan S. Bell, Evan Meyer 2014-1 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern sectin of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR213272  Schismus arabicus A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37432 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  RSA325512  Schismus arabicus R. F. Thorne, Drs Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55422 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  JOTR34004  Schismus barbatus La Doux, Tasha, M. Harding 2010-4-7 2892 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA787599  Schismus barbatus Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, Malia Volke 2010-3-30 104 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC907586  Schismus barbatus Curtis Bowser 1946-3-13 Riverside near Thermal Comment
  UCR100171  Schismus barbatus Scott D. White 1993-3-3 1085 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  SEINET6243926  Schismus barbatus L. C. Higgins 1974-1 8487 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  SD178106  Schoenoplectus acutus A. C. Sanders 2004-5-12 27865 Riverside Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR163233  Schoenoplectus acutus var. occidentalis D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  SDSU19224  Schoenoplectus americanus Kristen Hasenstab, Dave Bailey 2008-8-7 181 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  RSA162800  Schoenoplectus maritimus J. D. Olmsted 1959-9-23 1021 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  RSA289824  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4064 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA544407  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross 1991-6-14 6375 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA575967  Scirpus acutus var. occidentalis Steve Boyd 1980-9-16 s.n. Riverside Gavilan Hills region, north base of the range, west of Lake Mathews along Cajalco Road about 1 mile west of La Sierra Avenue. 366 Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UCR92354  Scirpus robustus Scott D. White, S. Ogg 1994-10-17 2501 Riverside City of Temecula, Murrieta Creek channel at confluence with Santa Gertrudis Creek 320 Comment
  UCR161440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-9-20 31687 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  RSA16360  Scrophularia californica subsp. floribunda Percy C. Everett 1935-6-18 7172 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  CAS-BOT-BC341103  Scutellaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument Comment
  SD129505  Scutellaria mexicana A. C. Sanders 1989-9-19 9502 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  RSA5220  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside Point View near Idyllwild. 1646 Comment
  UCR24917  Scutellaria siphocampyloides A. C. Sanders 1980-7-18 1665 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA586116  Scutellaria tuberosa D. L. Banks, Steve D. Boyd 1995-4-5 156 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, W of the Dripping Springs Trail. 503 Comment
  SEINET9622578 Image available Selaginella bigelovii M. D. Windham, K. Pryer, J. Beck, C. Rothfels, A. Grusz 2008-5-15 3558 Riverside SSE of Palm Springs along unnamed tributary of Palm Canyon. ca. 5.61 km WNW of the summit of Murray Hill. T4S, R4E, Sec. 34. 221 Comment
  UC306715  Selaginella bigelovii I. M. Johnston 1917-4-4 1044 Riverside Palm Canyon 304 Comment
  UCR270354  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 417 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.4 mile south of Elsinore Peak 978 Comment
  SEINET10569125  Selaginella bigelovii Rose 1935-12-27 Rose 35706 Riverside Colorado Desert, Palm Canyon, dry rocky slopes. 305 Comment
  UC35949  Senecio californicus E. L. Koethen April 1897 18 Riverside Plains Comment
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Mar 12 2011
  UC54146  Senecio californicus H. M. Hall 1902-4-4 2961 Riverside vicinity Riverside 304 Comment
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Jun 21 2011
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR34951  Senecio californicus L. B. Ziegler 1973-3-30 503 Riverside Tucalota Canyon/Creek. 610 Comment
  RSA302016  Senecio douglasii var. monoensis J. R. Shevock 1972-10-14 2317 Riverside Upper Coyote Canyon, Anza-Borrego State Park Comment
  RSA472988  Senecio flaccidus var. douglasii H. de Forest 1932-8-28 s.n. Riverside W side San Jacinto Valley. Comment
  SD137853  Senecio flaccidus var. douglasii Darin L. Banks, Steve Boyd 1995-5-17 448 Riverside Agua Tiobia Mountains; north face of Agua Tibia Mountain, east of the Dripping Springs Alcove. 594 Comment
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May 20 2013
  UCR187281  Senecio flaccidus var. douglasii Diane Menuz, Theresa Johnson 2006-6-15 166 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  OBI38334  Senecio mohavensis A. C. Sanders, D. Charlton, & B. Pitzer, B. Pitzer 1986-3-3 6137 Riverside N foot of the Chuckwalla Mts, 2-3/4 mi airline SE of Desert Center 366 Comment
  POM126253  Senecio mohavensis Thos. Craig 1927-4-2 8 Riverside Canyon near Hidden Springs. Comment
  RSA0121006  Senecio mohavensis Duncan S. Bell, LeRoy Gross 2016-3-8 8827 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  SD87599  Senecio mohavensis F. W. Peirson 1921-3-22 2378 Riverside Murray CaA'on near Palm Springs. 455 Comment
  RSA751919  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  SD233238  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mts: Halfway Spring, accessedvia Old Control Road. Spring surrounded by small patch of wetland. 1159 Comment
  SEINET238185 Image available Sesuvium verrucosum T. B. Salvato, A. C. Sanders; Mitch Provance 2000-1 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  UC2029956  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside MENIFEE VALLEY: Abotu 1.4 air mi SW of the I-215 / Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. Comment
  UC68551  Sesuvium verrucosum H. M. Hall Apr. 1905 5968 Riverside Paloverde Valley; Colorado Desert, Paloverde Valley 76 Comment
  UCD92618  Setaria parviflora F. M. Reed 1906-9-17 1186 Riverside Riverside and vicinity roadside, corner of Chicago and Mass. Aves. Comment
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Jun 15 2012
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  CLARK-A1528-618  Sida leprosa var. hederacea Ruth Cooper 1941-6-8 70 K Riverside Perris Comment
  UCR117304  Sidalcea malviflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 730 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR119437  Sidalcea malviflora A. C. Sanders, Mitch Provance 1999-9-26 23102 Riverside San Jacinto Mountains, Garner Valley, along Hwy 74 east of the upper end of Hemet Lake, SE of Lake Hemet store 1326 Comment
  POM13148  Sidalcea malviflora subsp. sparsifolia P. A. Munz, I. M. Johnston 1922-5-19 5428 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment