Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 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
  SEINET7048005  Abies concolor Steven R. Hill, Kate Kramer and family 2001-4-26 33472 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  CAS-BOT-BC229310  Abronia villosa John Thomas Howell 1928-3-11 3429 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  SEINET785371  Abronia villosa Leo A. Galloway 1969-1 1084 Riverside 1.5 miles southeast of Cathedral City, State Highway 111. Comment
  CLARK-A1528-3258  Abronia villosa var. aurita John C. Roos 1936-9-15 2516 Riverside San Jacinto Mountains Comment
  RSA652387  Abronia villosa var. aurita J. Bruce Smiley 1940-3-16 s.n. Riverside Mouth of White water 610 Comment
  UCR234804  Abronia villosa var. aurita Jim Andre, Glenn L. Clifton 2011-2-22 17473 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  RSA775092  Abronia villosa var. villosa Duncan S. Bell, Amber Swanson 2011-2-18 2038 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR228628  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 155 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  UCR40263  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  JEPS64734  Acacia greggii W. L. Jepson and H. M. Hall 1901-5-2 1379 Riverside Palm Canyon and return to Van Deventer's Palm Canyon Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 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
  UCR75087  Acacia greggii A. C. Sanders 1992-4-4 12142 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC30905  Acamptopappus sphaerocephalus Frank W. Peirson 1927-4-11 7154 Riverside Colorado Desert, 0.5 mile below Whitewater Bridge Comment
  RSA741571  Acer negundo Scott D. White, Justin M. Wood 2008-6-17 12163 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA557901  Achillea millefolium Steve Boyd, Orlando Mistretta 1992-4-22 7014 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CAS-BOT-BC218714  Achnatherum coronatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9663 Riverside 3 miles below junction of Idylwild Road on State Highway #74 Comment
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM294594  Achnatherum hymenoides Lyman Benson 1955-1-8 15401 Riverside Edge of San Jacinto Mountains, 5 miles NE of Palm Springs 61 Comment
Read comments
Feb 19 2013
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  UC159238  Achnatherum hymenoides E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  UC472731  Achnatherum hymenoides Mary F. Spencer 1918-3-27 829 Riverside Palm Springs Colorado Desert (near irrigating ditch) 100 Comment
  UCD50378  Achnatherum hymenoides F. W. Peirson 1921-3-24 4322 Riverside White Water, Colorado Desert Comment
  SD237294  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  UCR80730  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  CLARK-A1528-2417  Achyronychia cooperi John C. Roos 1937-4-23 2123 Riverside Garnet Comment
  OBI8297  Achyronychia cooperi David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12060 Riverside Along Box Cyn Rd, ca. 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA784742  Achyronychia cooperi Duncan S. Bell 2012-2-12 3087 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR167389  Achyronychia cooperi John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  JEPS61255  Acleisanthes longiflora E. E. Schellenger 1906-1 Riverside near Palo Verde Valley (e Riverside Co.); Colorado Desert, Santa Maria Mts. Comment
Read comments
Nov 14 2012
  SEINET957549  Acmispon micranthus S. Boyd 1986-1 1843 Riverside Temescal Canyon: Terrace escarpment between Horsetheif wash and Indian Truck Trail, south of I-15. Comment
  SD133088  Acmispon strigosus Scott White 1991-5-10 91 134 Riverside Hwy 79 immediately west of US Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SEINET6654145  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside Hiking tail from K flat to Apple Canyon Rd.; 0 Comment
  UCR126960  Adenostoma fasciculatum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA180283  Adenostoma fasciculatum var. fasciculatum E. W. Lathrop 1965-4-4 5629 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  SEINET3077277 Image available Adenostoma sparsifolium H. S. Gentry 1954-7-25 14250 Riverside Dripping Springs along Rte 79. Comment
  SEINET5537635  Adenostoma sparsifolium H. S. Gentry 1954-1 14250 Riverside Dripping Springs, along Route 79. Comment
  RSA0121431  Adiantum capillus-veneris Duncan S. Bell, LeRoy Gross 2016-3-30 9132 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA687706  Adiantum capillus-veneris Albert J. Perkins 1916-4-18 s.n. Riverside Palm Canyon. Comment
Read comments
Dec 11 2016
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  POM157937  Agoseris heterophylla var. heterophylla P. A. Munz 1927-5-21 10832 Riverside Coahuila Valley. Comment
  SBBG87356  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on St Hwy 74 1676 Comment
  SEINET5335835  Agropyron trachycaulum var. trachycaulum H. M. Hall 2174 Riverside Thomas Valley. 1372 Comment
  CLARK-A1528-4445  Agrostis diegoensis John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  RSA697708  Agrostis idahoensis J. Russell Bruff 1934-7-5 s.n. Riverside In wet ground. 2896 Comment
Read comments
Nov 10 2010
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  CAS-BOT-BC139097  Agrostis pallens H. M. Hall 1901-6-1 2209 Riverside San Jacinto Mountains. Along water courses in the vicinity of Strawberry Valley. 1645 Comment
  RSA644194  Agrostis pallens Scott D. White, Mike Wilcox 1995-6-11 3462 Riverside Santa Ana Mts; Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  SD181781  Agrostis pallens Scott D. White, Sandy Leatherman 2000-5-31 7986 Riverside Santa Ana Mountains/Santa Rosa Plateau, near Squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Uncommon in mesic grassland. 640 Comment
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  RSA469421  Aliciella latifolia Anstruther Davidson 1903-5-3 1109 Riverside Thermal. Comment
  UCD117504  Aliciella latifolia James Henrickson 1963-3-29 1198 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  UC116545  Allenrolfea occidentalis T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  HSC87269  Allionia incarnata David Charlton 1988-2-18 1180 Riverside S side of Little San Bernardino Mtns., Fargo Canyon Rd. to Cottonwood Wash, S of Joshua Tree National Park, parallel to Hwy. 10, 5 mi. E of the jct. of Dillon Rd. and Fargo Canyon Rd. 762 Comment
  SEINET6627582  Allionia incarnata Scott D. White 2001-4-12 8298 Riverside Colorado Desert: Shaver's Valley. south of the I-10 Freeway, ca. 15 miles east of Indio. Bajadas and exit accessing pump station 335 Comment
  UCR144755  Allionia incarnata Scott D. White, Michael Honer 2003-5-14 9302 Riverside Sonoran (Colorado) Desert, bajada at foothills of Little Maria Mtns, c. 20 air miles NW of Blythe, near Standard (='Superior') Gypsum Mine 122 Comment
  JOTR32473  Allium fimbriatum var. fimbriatum Herskovits, Tasya, M. Harding 2011-5-20 9 Riverside Joshua Tree National Park. Little San Bernardino Mountains; near Ryan Mountain trailhead 1341 Comment
  RSA262115  Allium haematochiton E. W. Lathrop 1971-3-24 7487 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  RSA543579  Allium lacunosum var. lacunosum Steve Boyd 1991-5-7 6161 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR139246  Allium lacunosum var. micranthum A. C. Sanders, Kate Kramer 2003-6-11 26878 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA574739  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA747569  Allium munzii Michael Honer 2003-4-16 1829 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. Appx. 400 m N of peak 2349 . 701 Comment
  UCR156477  Allium munzii Jason L. Hlebakos 2005-5-3 618 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  CDA2749  Allium neapolitanum Joyce Davis 1962-3-27 Riverside 3957 6th Street, Riverside. 0 Comment
  JOTR30919  Allium parishii La Doux, Tasha, Bill Truesdell 2008-4-29 2595 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR156480  Allium peninsulare Jason L. Hlebakos 2005-5-3 622 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCR172711  Allium peninsulare Jun Hu 2000-5-11 20 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA70237  Allium peninsulare var. peninsulare F. W. Peirson 1933-4-15 10649 Riverside Whitewater Canyon, 4.5 miles above bridge at head of Coachella Valley. 701 Comment
  UC843364  Allium praecox C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-4-15 4625 Riverside Gavilan Peak 550 Comment
  UCR16653  Allophyllum divaricatum Frances McKinley 1968-5-4 680305- 4 Riverside San Jacinto Mtns., slope 2.8 mi up Banning-Idylwild Road on S side 915 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  POM47147  Alnus rhombifolia P. A. Munz, I. M. Johnston 1924-7-29 8868 Riverside San Gorgonio Canyon, North of Banning 1067 Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  UCD169471  Alternanthera philoxeroides J. Zamora; Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  UCR23285  Althaea rosea C. Filmer 1981-5-14 81- 19 Riverside c. 20 m west of Rustin Avenue between Minerva Court and Massachusetts Avenue, City of Riverside. 305 Comment
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA165959  Amaranthus fimbriatus E. R. Blakley 1961-9-12 4715 Riverside Pinyon Flat, Palms to Pines Highway. 1220 Comment
  UCR23421  Amaranthus hybridus John C. Roos 1965-10-13 s.n. Riverside Corona Comment
  UC170095  Amaranthus palmeri E. E. Schellenger 1894-8-6 84 Riverside Sanch Ranch Colorado Desert Comment
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Aug 8 2010
  RSA500102  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3668 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
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Mar 7 2012
  RSA444675  Amaranthus retroflexus J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  RSA416903  Ambrosia acanthicarpa H. de Forest 1932-8-27 s.n. Riverside Beaumont-Banning Pass Comment
Read comments
Nov 2 2011
  UCR250116  Ambrosia confertiflora A. C. Sanders 2014-4-23 41050 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15, c. midway between Black Powder Rd. and end of Concordia Ranch Rd. 380 Comment
  CAS-BOT-BC22581  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside Near Mule Springs Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea Comment
  RSA416969  Ambrosia dumosa M. B. Dunkle 1932-3-25 2900 Riverside Cathedral Canyon Comment
  UC1539707  Ambrosia dumosa Chas. B. Fiker 1946-4-18 3417 Riverside w side Colorado Desert Comment
Read comments
Mar 23 2014
  UCR101565  Ambrosia dumosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CAS-BOT-BC30800  Ambrosia ilicifolia P. A. Munz; D. D. Keck 1922-4-9 4782 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR239932  Ambrosia psilostachya O. F. Clarke 2003-9-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  UCD128886  Ambrosia salsola Nancy Ryan Zabriskie; Walter Zabriskie 1971-2-15 271 Riverside near entrance gate, Andreas Canyon Club, South Palm Canyon Drive, Palm Springs. 167 Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  UC665803  Ambrosia salsola var. salsola Ira L. Wiggins 1941-3-24 9576 Riverside 2.7 mi s Mortmar (along e side of sea); Salton Sea Comment
  POM12891  Amorpha californica P. A. Munz 1922-6-30 5924 Riverside Santa Rosa Mountains. 1982 Comment
  CAS-BOT-BC177258  Amorpha fruticosa Rimo Bacigalupi 1935-6-27 2357 Riverside Above head of Palm Canyon and close to north-eastern base of Santa Rosa Mountain, Palm to Pines Highway Comment
  POM19489  Amorpha fruticosa Mary F. Spencer 1923-8-17 2191 Riverside Pipe creek, pr. [prope (near)] Thomas Valley, San Jacinto Mt. 1433 Comment
  RSA559439  Amorpha fruticosa Steve Boyd 1992-4-15 6853 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SDSU14030  Amorpha fruticosa Kristin Andrade, Mike Simpson 2002-4-20 14 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 235 Comment
  UC1563129  Amorpha fruticosa Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3580 Riverside Vail Lake Vail Lake area, Oak Mtn. (hills at nw end, e end of mt., n of Wilson Creek) 487 Comment
  UC862268  Amorpha fruticosa P. A. Munz 1922-6-24 5790 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
Read comments
Mar 25 2011
  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
  SBBG120001  Amsinckia intermedia A. C. Sanders with K. Volansky 2005-3-17 29237 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  SD185165  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside; ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  CHSC100  Amsonia tomentosa M. Anthony 1954-4-14 Riverside Near Joshua Tree National Monument. 762 Comment
  UC878737  Amsonia tomentosa P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4843 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 762 Comment
  RSA387342  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  POM278956  Anemopsis californica Grant D. Brown 1951-3-28 618 Riverside Dos Palmas Spring. Comment
  UCR281226  Anemopsis californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 56 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  POM48874  Angelica tomentosa P. A. Munz, I. M. Johnston 1924-7-26 8708 Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  RSA667363  Anthriscus caucalis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24958 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  RSA32422  Antirrhinum coulterianum N. C. Cooper 1944-5-21 1271 Riverside San Jacinto Mountains, west side. 1220 Comment
  CLARK-A1528-4162  Antirrhinum filipes John C. Roos 1947-2-15 3238 Riverside Comment
  CLARK-A1528-4169  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  SEINET3080986 Image available Apiastrum angustifolium Frank Ambrey 1959-4-12 Riverside 200 yds South of Isolation Orchard on UCR Campus (300 yds W of Webber Hall) 366 Comment
  POM3376  Apocynum sibiricum Crawford, Johnston 1917-6-9 1229 Riverside Santa Ana River near Corona. Comment
  POM19797  Aquilegia formosa var. truncata Mary F. Spencer 1923-8-15 2179 Riverside Idyllwild. 1646 Comment
  POM366954  Aquilegia formosa var. truncata E. A. McGregor 1954-9-16 s.n. Riverside Idyllwild, San Jacinto Mountains Comment
  UCR30802  Arabis A. C. Sanders, K. Berg 1980-5-1 1351 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR133390  Arabis glabra Tracy Tennant, T. B. Salvato 1998-6-23 483 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  POM184735  Arabis glaucovalvula P. A. Munz, C. L. Hitchcock 1932-4-9 12231 Riverside open flats, White Tanks, eastern Riverside. Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  POM99028  Arabis glaucovalvula E. C. Jaeger 1926-3-24 s.n. Riverside White Tank, northern edge of Colorado Desert Comment
  UCR110993  Arabis perennans George K. Helmkamp 1998-6-27 4112 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR168437  Arceuthobium campylopodum Larry E. DeBuhr 1972-3-23 514 Riverside Santa Rosa Mountains, San Bernardino National Forest, on Santa Rosa Peak 2439 Comment
  POM13939  Arctium lappa F. M. Reed 1907-6-23 1435 Riverside Old field above West Riverside Road above bridge. Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
Read comments
Oct 23 2018
  RSA629154  Arctostaphylos Jon E. Keeley 1992-7-17 16781 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629370  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16857 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629396  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19525 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629414  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19501 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR273477  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42624 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  CLARK-A1528-448  Arctostaphylos glandulosa subsp. glandulosa Shirley Hill 1963-3-31 630331-7 Riverside San Jacinto Mountains 1219 Comment
  RSA629387  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15088 Riverside End of Woodchuck Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) 204 Comment
  RSA629470  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16839 Riverside Hwy 243, 38 km N of Idyllwild. 1485 Comment
  RSA631723  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19292 Riverside Highway 79, at Radec. 580 Comment
  RSA631732  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19297 Riverside Highway 79, at Radec. 580 Comment
  RSA631743  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16500 Riverside Hills around Indian Oaks Ranch, east of Lake Skinner. 500 Comment
  RSA757615  Arctostaphylos glauca LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4343 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
  SEINET10627175  Arctostaphylos glauca Greg Gust, Leith Nye 2005-3-11 Gust 551 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR273498  Arctostaphylos glauca A. C. Sanders, Glen Morrison 2016-8-4 42599 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA633538  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22661 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633600  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22531 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633650  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20131 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA635598  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16760 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  SEINET3101904  Arctostaphylos pringlei Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17374 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  POM250404  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  CAS-BOT-BC44813  Arctostaphylos pungens Winfield 1975-5-4 2423 Riverside James - San Jacinto Reserve 1615 Comment
  CAS-BOT-BC46340  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC46257  Arctostaphylos rainbowensis A. C. Sanders; Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills w. of the head pf De Luz Creek, 0.4 mi. s. of Tenaja Rd. On w. side of Calle 670 Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  UCR158146  Arctostaphylos rainbowensis 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
  SD137811  Arenaria douglasii Darin L. Banks, Steve Boyd 1995-5-3 291 Riverside Cleveland national Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 Comment
  RSA752790  Arenaria macradenia Scott D. White, Justin M. Wood 2009-5-21 12856 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  SD143754  Argemone munita Scott D. White 1997-5-25 5220 Riverside Along Bautista Canyon Road; 1.3 road miles northwest of Hixon Trailhead. 700 Comment
  UC488976  Argemone munita C. V. Meyer 1927-6-1 208 Riverside San Jacinto Mountains, Foot of Idyllwild Grade Foot of Idyllwild Grade; San Jacinto Mountains, Foot of Idyllwild Grade 762 Comment
  UCR109555  Argemone munita R. D. Goeden, Don W. Ricker 1981-3-11 s.n. Riverside Sonoran (Colorado) Desert, Bradshaw Trail along Salt Creek, east of Salton Sea, c. 3 mi. east of Coachella Canal 152 Comment
  CAS-BOT-BC207134  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC202503  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside Whitewater. Western border of the Colorado Desert 200 Comment
  CAS-BOT-BC137645  Aristida adscensionis John Thomas Howell 1928-1-31 3318 Riverside East side of Pinto Basin, Colorado Desert. Comment
  SEINET5336066  Aristida adscensionis H. M. Hall 1905-4-16 5797 Riverside Marshall Canon, 10 mi. W of Coachella, lower Sonoran Zone 30 Comment
  POM199353  Aristida adscensionis var. abortiva Joseph A. Ewan 1932-4-11 7089 Riverside Martinez Canyon, Santa Rosa Mountains. 366 Comment
  RSA0121061  Aristida purpurea var. wrightii Duncan S. Bell, Thomas Stoughton 2016-3-16 8947 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  UCD56525  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  RSA750538  Artemisia californica Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12588 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UC101099  Artemisia californica Vernon Bailey 1907-10-24 Riverside Cabazon Comment
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Mar 13 2011
  RSA561511  Artemisia douglasiana Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7662 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confuluence of Los Alamos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UC1211952  Artemisia dracunculus Otto T. Solbrig 1958-8-19 2771 Riverside on road to Indio 11.1 mi w Keen Camp; San Jacinto Mountains, Big Senvo Creek Comment
  RSA0104495  Artemisia ludoviciana subsp. albula Duncan S. Bell 2015-9-30 8660 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UC1119479  Artemisia tridentata subsp. tridentata A. Lewis 1934-5-1 463 Riverside Temescula River Elsinore Quadrangle, Temescula River Comment
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Dec 11 2011
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  JEPS6273  Asclepias eriocarpa Carl V. Meyer 1928-7-1 618 Riverside Saunders Meadow; San Jacinto Mountains Comment
  JEPS5154  Asclepias subulata W. L. Jepson 1914-5-18 6030 Riverside County Well n Indio; Colorado Desert, County Well Comment
  RSA1203  Asclepias subulata B. D. Stark 1930-8-17 892 Riverside Box Canyon. Comment
  RSA5171  Asclepias subulata C. B. Wolf 1932-4-26 2982 Riverside Colorado Desert, 8 miles East of Mecca on Blythe road. 91 Comment
  RSA667137  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. 381 Comment
  CAS-BOT-BC68758  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mts. 762 Comment
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  SEINET3195134 Image available Astragalus aridus Andrew C. Sanders 2010-3-15 37408 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 (Roosevelt Mine 7.5' Q.) 134 Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  LA204887  Astragalus crotalariae Carl Epling; March 1927 sn Riverside Whitewater Pass near Palm Springs Comment
  SBBG68216  Astragalus douglasii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC68633  Astragalus insularis var. harwoodii H. M. Hall Apr., 1905 5976 Riverside Hodges Mts. , Hodges Mts. (Colorado Desert) 152 Comment
  SD232244  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 100 Comment
  RSA653167  Astragalus nuttallianus var. imperfectus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 520 Comment
  RSA90750  Astragalus pachypus var. jaegeri F. W. Peirson 1920-6-23 2205 Riverside Aguanga 609 Comment
  CAS-BOT-BC192755  Astragalus palmeri Milo S. Baker 1928-4-4 2851 b Riverside Hiway a few mies South Palm Sps. Comment
  SD83397  Astragalus palmeri R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2064 Riverside Fig Tree Valley, dry creek bottom 690 Comment
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  CLARK-A1528-2759  Astragalus sabulonum John C. Roos 1949-3-26 Riverside Mecca Comment
  CLARK-A1528-5056  Astragalus tricarinatus John C. Roos 1948-4-24 3805 Riverside Whitewater Canyon 609 Comment
  PASA2748  Astragalus tricarinatus Marcus E. Jones 1929-3-19 8640 Riverside Whitewater, Colorado Desert Comment
  RSA779954  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2628 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  UC218672  Athyrium filix-femina var. cyclosorum P. A. Munz 1922-7-6 6030 Riverside n fork of Tahquitz Creek; San Jacinto Mts 2225 Comment
  RSA543778  Athysanus pusillus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6025 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CAS-BOT-BC98813  Atrichoseris platyphylla Lewis S. Rose 1937-4-10 37177 Riverside Indio-Blythe Road, 26 mi. E. of Indio 457 Comment
  SD49377  Atrichoseris platyphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  SEINET2044652 Image available Atrichoseris platyphylla George Helmkamp 1995-3-16 Riverside Colorado Desert: desert pavement on alluvial fan below rocky slopes of Coxcomb Mountains, W of Rice Rd., 10.3 miles NE of Desert Center, 198 Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR159815  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slope; Perris Basin, Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave and first road east of I-215 427 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  JOTR34468  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA296151  Atriplex canescens subsp. canescens B. A. Prigge 1980-8-25 4009 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific RR. 427 Comment
  POM182511  Atriplex canescens var. linearis J. B. Feudge 1930-9-25 2063 Riverside Blythe Comment
  RSA532556  Atriplex coulteri D. E. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
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Feb 3 2015
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  UC1136296  Atriplex lentiformis subsp. lentiformis R. St. John 1931-4-21 208 Riverside Mockingbird Canyon Corona Quad., Mockingbird Canyon Comment
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Apr 2 2011
  SEINET13901567 Image available Atriplex linearis Carl B. Wolf 1932-1 4321 Riverside Colorado Desert. NE. side of Salton Sea, at Durmid, NE. side of S. P. R. R. Tracks. 61 Comment
  RSA778411  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-5 57 Riverside Corn Springs Campground. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 497 Comment
  UCR100867  Atriplex polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2707 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA737228  Atriplex prostrata Justin M. Wood 2008-9-22 148 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SEINET3124995 Image available Atriplex rosea G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10336 Riverside Canal two miles north of Blythe. 70 Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA557315  Azolla filiculoides Julie Greene, S. D. Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1418 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  SBBG93066  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside ca. 1.75 air km S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range 680 Comment
  UCSB42280  Baccharis brachyphylla Roos, John 1958-9-27 Riverside Carrizo Creek near Black Hill, Santa Rosa Mtns. 914 Comment
  POM50389  Baccharis salicifolia W. W. Eggleston 1924-3-10 19541 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  UCR82898  Baccharis salicina A. C. Sanders, S. White & C. Sanders 1994-10-9 15809 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  CLARK-A1528-1631  Baccharis sergiloides John C. Roos 1949-9-17 4660 Riverside Whitewater Wash 609 Comment
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  SD229075  Bahiopsis parishii Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 885 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  UCR244318  Bahiopsis parishii Jim Andre 2012-4-16 20893 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR260257  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-11 41409 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  OBI26027  Baileya pauciradiata David J. Keil 1977-1-2 11933 Riverside W of Blythe along I-10 Comment
  JEPS22575  Baileya pleniradiata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6207 Riverside 20 mi n of Desert Center (along the Parker Dam Highway from Rice to Desert Center, also 3-4 mi e of the e base of the Coxcomb Mts., Colorado Desert); Colorado Desert, Parker Dam Highway 243 Comment
  JOTR32373  Baileya pleniradiata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2484 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  SBBG7793  Baileya pleniradiata K. K. Muller 1958-3-22 921 Riverside ca. 5.5 mi E of Desert Center Comment
  SD5792  Baileya pleniradiata Frances Keys 1929-6-28 Riverside Palm Springs; Desert Queen Ranch. Comment
  RSA314635  Bebbia juncea R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55431 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG60789  Bebbia juncea L. Rowntree 1930-5-6 Riverside Hidden Springs, near Mecca Comment
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  JOTR29382  Bebbia juncea var. aspera La Doux, Tasha, Mike Bell 2006-5-10 1459 Riverside Joshua Tree National Park. East Deception Canyon Comment
  SFV11868  Bebbia juncea var. aspera R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  JOTR32874  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  UCR122747  Bernardia myricifolia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3386 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  RSA367448  Bloomeria crocea var. crocea Jeannette B. Edge 1934-4-18 s.n. Riverside Near Highgrove. Comment
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Jun 10 2012
  CAS-BOT-BC16094  Boechera californica E. A. McGregor 1941-6-12 19 Riverside San Gabriel Mountains. Idyllwild. Comment
  RSA680521  Boechera californica Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8632 -B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SBBG72285  Boechera pendulocarpa R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  UC922762  Boechera perennans Annie M. Alexander and Louise Kellogg 1940-3-21 883 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  UCR159898  Boerhavia coccinea Scott D. White 1999-4-20 7276 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA78222  Boerhavia intermedia J. C. Roos, L. Roos 1952-10-18 5901 Riverside Hidden Valley Campground 1220 Comment
  UCR3383  Bolboschoenus maritimus subsp. paludosus John Minnich 1964-3-21 64321- 7 Riverside Western Colorado Desert, Coachella Valley, 1 mi west of the junction of Hwy 60-70 with Dillon Road, c. 1 mi east of Indio 15 Comment
  UCR19697  Bothriochloa barbinodis John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Lost Palms Canyon in the Eagle Mtns Comment
  UCR60438  Bothriochloa barbinodis S. J. Myers 1989-8-3 s.n. Riverside Peninsular Range, 1.5 mi SW of Temecula, and 0.5 mi west of the confluence of Murrieta and Temecula Creeks 396 Comment
  JOTR38521  Bouteloua aristidoides var. aristidoides Harding, Mitzi, Kipp Callahan 2012-8-27 290 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR2190  Bouteloua barbata F. M. Reed 1934-9-26 8959 Riverside San Jacinto Mtns., Herkey Creek camp 1341 Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  HSC87004  Boykinia rotundifolia F. C. Vasek 1987-7-14 8707141 Riverside Vista Grande Road (3508) 1 mile E of Banning-Idyllwild Road (SH234) 1524 Comment
  RSA463718  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 -1 Riverside Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243). Comment
  SD181775  Brachypodium distachyon Scott D. White, Teresa Salvato 2001-6-8 8584 Riverside Santa ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. On roadside. 334 Comment
  JOTR16656  Brandegea bigelovii Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA118960  Brandegea bigelovii L. S. Rose 1957-1-8 s.n. Riverside Pal Desert 91 Comment
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Feb 20 2013
  SBBG100729  Brandegea bigelovii W. L. Halvorson 1977-2-5 77 -19 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC495311  Brandegea bigelovii Philip A. Munz 1932-3-14 11981 Riverside Coachella Valley, Deep Canyon Deep Canyon; Coachella Valley, Deep Canyon 91 Comment
  UCR243178  Brassica juncea A. C. Sanders 2013-4-29 40807 Riverside Riverside, UCR campus, near greenhouses SW of Herbarium 360 Comment
  CAS-BOT-BC126759  Brassica tournefortii A. C. Sanders 2010-3-15 37409 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  SD232232  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 609 Comment
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  UC1523404  Brickellia atractyloides Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54075 Riverside 3.2 mi n, w of Whitewater Canyon Hwy 10 and Whitewater P. O.; San Bernardino Mts. 609 Comment
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Jan 14 2010
  UCD129703  Brickellia californica J. C. Roos 1937-10-3 Riverside In Temescal Canyon. Comment
  JOTR35236  Brickellia desertorum Wheeler, Mark 2011-10-19 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains, Eureka Peak Complex, South of Eureka Peak Comment
  UCR108434  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). 305 Comment
  UCR23271  Brickellia desertorum John C. Roos, L. Roos 1950-10-14 5006 Riverside San Bernardino Valley Region, West Riverside; east end Jurupa Hills, near corner of Alta and Canal Sts. 306 Comment
  UCR92153  Brickellia desertorum D. L. Banks, Steve Boyd 1995-10-17 0776 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  UC1329828  Brickellia incana James E. Cole 1941-5-21 751 Riverside Cottonwood Spring Wash, Joshua Tree National Monument Joshua Tree National Monument, Cottonwood Spring Wash 914 Comment
  SD135112  Brickellia oblongifolia var. linifolia Craig Reiser, Dylan Hannon 1993-5-30 Riverside Near Santa Rosa Peak Comment
  UCR75964  Brodiaea filifolia D. E. Bramlet 1992-5-6 2266 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley: NW of Lakeview and south of the San Jacinto Wildlife Area, c. 198 m west of Davis Rd. and c. 20 m N of Marvin Rd 433 Comment
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Jan 18 2007
  UCR202578  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12391 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  JOTR34002  Bromus berteroanus La Doux, Tasha, M. Harding 2010-4-7 2890 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
  SD233246  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR120894  Bromus diandrus A. C. Sanders, D. Malueg 2002-4-8 24906 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR2229  Bromus hordeaceus F. M. Reed 1928-4-18 5860 Riverside Peninsular Range, [Temecula Creek/Pauba Valley], west of Aguanga 823 Comment
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCSB9692  Bromus madritensis subsp. rubens Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  UCR2247  Bromus rubens F. M. Reed 1907-5-26 1377 Riverside Riverside, Evan's Spring Brook pasture 250 Comment
  RSA772333  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4514 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD59901  Bromus tectorum Lowell J. Bean 1967-6-1 s.n. Riverside San Jacinto Mountains, Lake Fulmor. Comment
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR116597  Bromus tectorum A. C. Sanders 2001-4-8 23989 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR214117  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37747 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 436 Comment
  UCR9533  Broussonetia papyrifera O. F. Clarke 1970-7-27 s.n. Riverside Riverside, residential garden of Mrs. Luther J. Tobias, 4460 7th Street Comment
  CDA26848  Caesalpinia virgata G. D. Barbe 1978-5-2 2365 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  UCR256339  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR228846  Calandrinia ciliata A. C. Sanders, Nathan Moorhatch 2011-3-22 38789 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR232802  Calandrinia ciliata John F. Green 2008-4-16 0408- 43 Riverside Peninsular Range; Perris-Aguanga Valley, SW of Romoland, powerline route north of McLaughlin Rd. between Dawson Rd. and I-215 Fwy 436 Comment
  RSA234099  Callitriche heterophylla subsp. bolanderi R. F. Thorne, E. W. Lathrop 1969-6-6 39341 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC85772  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  POM10103  Calocedrus decurrens E. A. Zumbro 1903-08 s.n Riverside Idylwild [Idyllwild] Comment
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Jan 11 2007
  UCR193293  Calochortus palmeri var. munzii A. C. Sanders, Tim Thomas 2008-6-20 35543 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR281203  Calochortus palmeri var. munzii James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1573 Comment
  RSA79326  Calochortus plummerae Percy C. Everett, E. K. Balls, Lee Lenz 1952-7-1 17281 Riverside 6.7 mi W along Hwy 74 from jct w/ rd. S from Idyllwild. Comment
  UCR222418  Calochortus plummerae D. E. Bramlet, M. Riedel-Lehrke 2006-6-13 4021 Riverside Peninsular Range; Perris-Aguanga Basin Region, West Hemet Hills, 1.28 km south of Florida Ave. & 1.31 km east of Hwy 79/Winchester Rd. 625 Comment
  UCR240269  Calochortus plummerae Theresa Johnson 2010-6-16 s.n. Riverside San Jacinto Mtns. Foothills, Potrero Canyon 701 Comment
  RSA23716  Calochortus splendens Russell S. Woglum 1937-5-22 524 Riverside Temecula. . Comment
  RSA487424  Calochortus splendens Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR261693  Calochortus splendens Dick Newell, Judy Booth 2014-5-26 376 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. south of Los Pinos Rd. and 0.67 mi. NW of Elsinore Peak 955 Comment
  VVC535  Calochortus splendens F. Ambrey 1959-5-6 s.n. Riverside Perris Basin, 5.5 miles so. of Hemet on State hwy 79. opposite curre sign (sic), 20 yds. so. of power line. 485 Comment
  POM351412  Calycoseris parryi Ora M. Clark 1929-2-23 1567 Riverside North Whitewater. Comment
  CAS-BOT-BC282915  Calycoseris wrightii Roxana S. Ferris 1953-3-11 12604 Riverside Crossing on Highway US 60-70 of Eagle Mountain Iron Mine Railroad Comment
  RSA0124036  Calycoseris wrightii Duncan S. Bell, LeRoy Gross 2016-3-10 8881 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA796017  Calycoseris wrightii Duncan S. Bell 2009-4-18 246 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SBBG37955  Calyptridium monandrum T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  UCR178002  Calyptridium monandrum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  LA50072  Calystegia macrostegia subsp. cyclostegia W. Pequegnat; 1938-4-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA507499  Camissonia Marlyce Myers 1980-4-28 s.n. Riverside Motte Reserve, in rocky granitic hills 2.5 mi. NW of town of Perris. At the south end of the Reserve. Comment
  UCR127535  Camissonia A. C. Sanders, D. Malueg 2003-5-8 26577 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  CLARK-A1528-652  Camissonia bistorta Charlotte Stocks 1964-5-15 Riverside Warner Hot Springs Comment
  RSA596790  Camissonia bistorta D. L. Banks, K. D. Hedge 1996-5-16 1044 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCR102737  Camissonia bistorta B. G. Pitzer 1998-1-25 3430 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  RSA643680  Camissonia boothii subsp. boothii A. C. Sanders, G. Nuhn 1995-4-20 16589 Riverside Colorado Desert: Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mts., NE of 1000 Palms; 0.6 miles NE of Dillon Rd. 350 Comment
  RSA4965  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3032 -A Riverside Palm Springs. 152 Comment
  UCR249508  Camissonia boothii subsp. condensata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7282 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA676261  Camissonia brevipes Scott D. White 2001-4-3 8267 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA76151  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  UCR85381  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16153 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA701045  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11290 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  RSA567651  Camissonia chamaenerioides A. C. Sanders, E. J. Lawlor 1992-4-4 12100 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR245955  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  SEINET10969614  Camissonia claviformis Billy Joe Cox 1975-4-23 Cox 4144 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  RSA144802  Camissonia claviformis subsp. aurantiaca E. G. Linsley, J. W. MacSwain 1960-3-2 60 -9 Riverside 2 miles west of Desert Center. Comment
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA449213  Camissonia claviformis subsp. aurantiaca Robert M. Perkins, H. de Forest 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  SEINET7073306  Camissonia contorta A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
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Jun 24 2020
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA501032  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3152 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA0057863  Camissonia micrantha A. C. Sanders 2011-4-7 39037 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  SEINET10492078  Camissonia micrantha Timothy Reeves 1978-5-13 Reeves 6881 Riverside San jacinto mts. 5 Mi s of banning on hwy 243. Sec 22, r1e, t3s. Chaparral. Ferns among rocks or in crevices. 1097 Comment
  JOTR28956  Camissonia pallida subsp. pallida La Doux, Tasha 2005-3-30 1192 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  RSA75435  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 786 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  UCR102948  Camissonia refracta George K. Helmkamp 1998-4-4 3168 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UC20546  Camissonia strigulosa Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SD39522  Camissoniopsis confusa Edith A. Purer 1935-4-21 6449 Riverside Pine Valley; Pines to Palms Highway. Comment
  UCR166290  Camissoniopsis confusa B. G. Pitzer 1997-3-23 2993 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR166112  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16232 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA0086761  Capsella bursa-pastoris R. G. Swinney 1967-5-26 11728 Riverside Snow Creek. 335 Comment
  UCR125999  Cardaria draba Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  UCR109622  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1970-3-30 s.n. Riverside Box Springs Mtns., Highgrove, National Orange Co. property beyond E end of Palmyrita Ave. 412 Comment
  UCR176586  Carex alma N. M. Fellows, A. C. Sanders 1985-5-7 168 B Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  CAS-BOT-BC18026  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  SEINET7568450 Image available Carex multicaulis Unknown 1969-6-24 38117 Riverside San Bernardino National Forest, San Jacinto Mts, above James Reserve in Hall Canyon. 1676 Comment
  UCR213901  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  UC1219  Carex subfusca H. M. Hall July, 1901 2416 Riverside near summit San Jacinto Mountains 3291 Comment
  SD148071  Castilleja affinis Andy C. Sanders, M. Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23899 Riverside Perris-Aguanga Basin Region: Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 395 Comment
  UC64216  Castilleja affinis subsp. affinis H. M. Hall 1897-4-3 422 Riverside vicinity Winchester Comment
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Mar 20 2011
  POM301823  Castilleja angustifolia James E. Cole 1942-5-10 957 Riverside Joshua Tree National Monument. 1341 Comment
  POM12854  Castilleja applegatei subsp. martinii Philip A. Munz 1922-6-26 5834 Riverside Road to Santa Rosa. 1738 Comment
  UC885361  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 Riverside from Tahquitz Valley to San Jacinto Peak (along trail); San Jacinto Mts. 2621 Comment
  UCR117311  Castilleja densiflora A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 737 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA0010927  Castilleja exserta subsp. exserta P. A. Munz 1927-5-21 10837 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  POM8715  Castilleja foliolosa P. A. Munz 1920-4-11 3813 Riverside Santa Ana River Canyon. 305 Comment
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  RSA652581  Castilleja foliolosa G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UC26426  Castilleja foliolosa Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA769505  Casuarina cunninghamiana subsp. cunninghamiana Justin M. Wood 2010-1-5 1408 Riverside City of Corona: Pomona-Rincon Rd, 0.2 miles N of intersection with Railroad St. 165 Comment
  UCR41536  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6052 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR129345  Caulanthus heterophyllus Bruce Albert 1982-4-17 71 Riverside Gavilan Hills, field north of Santa Rosa Road, 5.7 miles east of Lake Mathews Road 549 Comment
  UCR241592  Caulanthus lasiophyllus A. C. Sanders, Ann Howald 2013-2-28 40558 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  HSC79765  Caulanthus simulans James Henrickson 1973-3-18 8611 Riverside 33 (air) mi. E of Temecula, 5-7 mi SE of Terwilliger, at N end of Coyote Canyon Rd., first steep grade down to canyon 762 Comment
  RSA569994  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7902 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, 610 Comment
  UCR177119  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1105 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  CAS-BOT-BC49182  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-3-21 803 b Riverside San Jacinto Moutains, at intersection of Chimney Flats Road and USFs Road 5S13, 2.8 road miles (4.5 km) 1440 Comment
  POM49867  Ceanothus greggii var. perplexans P. A. Munz, I. M. Johnston 1924-7-29 8861 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CHSC1510  Ceanothus integerrimus var. puberulus 1935-4-19 Riverside San Jacinto Pass. 1828 Comment
  RSA192351  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and Tenaja Guard Station, Trabuco District. Comment
  SD229238  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-18 701 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
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  UCR59767  Ceanothus leucodermis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3082 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 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
  UC1611574  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  CAS-BOT-BC51925  Ceanothus perplexans Edmund C. Jaeger 1921-6-14 s.n. Riverside Mac Mullen Trail, east slope San Jacinto Mts. Comment
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 Comment
  CLARK-A1656-841  Cenchrus echinatus Jon Mark Stewart 1983-10-24 83-46 Riverside Palm Desert 60 Comment
  UCR227808  Centaurea melitensis Duncan S. Bell, Joy England 2010-6-7 1266 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 780 Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  CLARK-A1528-536  Centaurium venustum Bruce Freeman 1968-5-11 680511-4 Riverside Santa Ana Mountains 0 Comment
  POM13612  Centaurium venustum E. C. Jaeger 1921-7-15 1134 s.n. Riverside Massacre Canyon, near San Jacinto. Comment
  RSA617985  Centaurium venustum R. E. Riefner Jr. 1998-5-15 98 -301 Riverside Elsinore Trough between Willard and Murrieta Creek, Lake Elsinore. Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UCR120410  Centaurium venustum Mitch Provance 1998-5-25 875 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  SD155512  Centromadia pungens subsp. laevis Craig Reiser 2001-4-27 Riverside E side of Mystic Lake and ca. 50 yards W of Gilman Hot Springs Road,near San Jacinto. 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
  UCR253360  Centromadia pungens subsp. laevis Karyn L. Drennen 2014-5-13 027 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  HSC85246  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Harford Springs County Park, N of big meadow, Gavilan Hills Comment
  UCR15890  Cerastium glomeratum Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Peninsular Range, Sandia Canyon Road about 2 mi from [SW of] Washington Street. Near Murrieta. 457 Comment
  POM14190  Cerastium glomeratum William M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA249861  Ceratophyllum demersum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38146 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA405365  Cercidium floridum Ora M. Clark 1929-2-17 1754 Riverside S La Quinta Comment
  UC863506  Cercidium floridum subsp. floridum I. W. Clokey 1935-4-17 6705 Riverside Shafer Wells Colorado Desert Comment
  JOTR29597  Cercocarpus betuloides var. betuloides Andre, Jim 2006-4-26 6754 Riverside Joshua Tree National Park. abpit 0.5 mi. NNE of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR123791  Cercocarpus ledifolius var. intermontanus Steven R. Hill, K. Kramer and family 2001-4-26 33469 Riverside San Jacinto Mtns., San Jacinto Wilderness west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges 2591 Comment
  HSC86128  Cercocarpus montanus var. glaber P. Lamos 1972-4-16 416720601 Riverside 4.5 mi. W of jct. 243 and 74 1067 Comment
  CAS-BOT-BC279537  Chaenactis artemisiifolia Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  CAS-BOT-BC279540  Chaenactis artemisiifolia Edmund C. Jaeger June 23 s.n. Riverside On west slope of San Jacinto Mts. near Half-way House. Idyllwild road 1005 Comment
  UCR135996  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR150010  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA550281  Chaenactis carphoclinia Walter Wisura, John Dolan, Michael Wall 1992-3-24 4615 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  CAS-BOT-BC276910  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  RSA682173  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  SD153123  Chaenactis fremontii Robert Lauri 2001-3-24 51 Riverside [No locality written on label] (mak 1/08) Comment
  SD140206  Chaenactis glabriuscula Scott White 1993-4-22 1248 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  SD144054  Chaenactis glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixton Trailhead (USFS No. 2E43). 700 Comment
  SEINET7063234  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  RSA0087537  Chaenactis glabriuscula Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning. Comment
  SBBG65580  Chaenactis glabriuscula var. glabriuscula Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  SD135114  Chaenactis parishii Craig Reiser, Dylan Hannon 1993-5-30 Riverside Along Santa Rosa Peak Road Comment
  RSA550344  Chaenactis stevioides Walter Wisura, John Dolan, Michael Wall 1992-3-25 4644 Riverside Lowdesert: Chuckwalla Road, 14.3 miles E of Corn Spring Road. Comment
  SBBG25120  Chaenactis stevioides D. Myrick 1966-4-5 1382 Riverside US Hwy 60, ca. 5 mi W of Blythe Comment
  UC1329848  Chaenactis stevioides James E. Cole 1941-6-17 920 Riverside Live Oak Tank (dry) Joshua Tree National Monument 1219 Comment
  UC1922418  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC217943  Chaenactis stevioides P. A. Munz and D. Keck 1922-4-9 4819 Riverside Hayfields, Chuckawalla Valley Colorado Desert, Chuckawalla Valley 152 Comment
  POM201683  Chamaesyce albomarginata L. M. Booth 822 Riverside Hard roadside. Comment
  RSA549998  Chamaesyce maculata O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  JOTR35000  Chamaesyce polycarpa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3102 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SFV6313  Chamaesyce polycarpa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 39 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA339339  Chamaesyce polycarpa var. hirtella R. F. Thorne, W. A. Tilforth 1980-5-28 54187 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA432469A  Chamaesyce polycarpa var. hirtella Christopher Davidson 1979-4-4 7680 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA192301  Chamaesyce serpillifolia H. A. Zuill 1966-6-29 264 Riverside about 2 miles west of Murrieta. Comment
  RSA0099598  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-29 7699 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
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  RSA685714  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacino Mts. Comment
  UC1511338  Cheilanthes covillei Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52069 Riverside Palms to Pines Hwy Comment
  RSA0033579  Cheilanthes covillei Robert F. Thorne 1966-10-15 41810 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  CAS-BOT-BC70336  Cheilanthes parryi Milo S. Baker 1928-4-3 3292 a Riverside Palm Canyon Comment
  RSA678351  Cheilanthes parryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10466 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
  RSA685804  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Andreas Canyon watershed, desert side of mountains 366 Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  UCR120310  Chenopodium Mitch Provance 1997-6-18 1102 Riverside City of Riverside, Riverside Community College, between the NE (back) parking lot and Prospect Dr. 244 Comment
  RSA0105842  Chenopodium botrys Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  UCR148322  Chenopodium murale John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  SD146305  Chenopodium pratericola A. C. Sanders, Mitch Provance and T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley; along Dillon Road at junction with Tyler, north of I-10, east of Indio and north of Coachella. 4 Comment
  CLARK-A1528-5651  Chenopodium pumilio John C. Roos 1947-8-15 Riverside Santa Ana River Comment
  RSA653503  Chenopodium strictum var. glaucophyllum A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23682 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  RSA455300  Chilopsis linearis Robert L. Rutherford 1943-9-11 904 Riverside Banning. Comment
  UCR193910  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-7-11 35824 Riverside South Coast; San Jacinto Valley, Gilman Springs Road, 1.13 mi. (air) south of Eden Hot Springs, below Mt. Eden 450 Comment
  LA204143  Chilopsis linearis subsp. arcuata Carl Epling; 1932-11-9 sn Riverside San Jacinto Mountains, Murray Canyon, Palm Springs Comment
  LA204150  Chilopsis linearis subsp. arcuata S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  UCD169371  Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR96900  Chorispora tenella D. E. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m south of the intrersection of Florida Ave. and Warren Road, along Warren Road, on the W side of the road 457 Comment
  JOTR33987  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding 2010-4-7 2875 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC55792  Chorizanthe brevicornu var. brevicornu H. M. Hall May 17 1901-Jun 1 1901 1853 Riverside Palm Canyon 457 Comment
  UCR241387  Chorizanthe coriacea T. B. Salvato, Mike Landers 2013-3-21 7378 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR75074  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR174427  Chorizanthe fimbriata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32511 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR55275  Chorizanthe leptotheca Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  UCR260598  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41472 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 2.8 miles east (92 deg. ) of Cabazon, c. 1.1 mi. NNW (340 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 456 Comment
  RSA784660  Chorizanthe polygonoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 67 Riverside South main divide road splitting Comment
  RSA65259  Chorizanthe polygonoides var. longispina F. W. Peirson 1922-5-19 3025 Riverside 3 miles northeast of Murrieta. Comment
  RSA736038  Chorizanthe polygonoides var. longispina Scott D. White, Justin M. Wood 2008-4-16 11884 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 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
  CAS-BOT-BC246238  Chorizanthe rigida S. B. Parish 1912-7-3 8061 Riverside Dermid [?], Salton Sea Comment
  POM183978  Chorizanthe rigida P. A. Munz 1932-3-14 11998 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA27503  Chorizanthe rigida I. L. Wiggins 1941-3-24 s.n. Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line Comment
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May 3 2014
  RSA559921  Chorizanthe rigida Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6910 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SD28075  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon., 1 mi. below fish hatchery 395 Comment
  UCD110137  Chrysolepis sempervirens Merry Lepper 1972-10-22 1070 Riverside Foot trail toward San Jacinto Summit from Long Valley Ranger Station at top of Palm Springs Aerial Tramway. San Jacinto Mtn. Range. Comment
  RSA38274  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  UC1184319  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-1 11749 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC520280  Chylismia claviformis subsp. aurantiaca A. N. Dunn and A. M. Martin 1932-3-26 Riverside Coachella Comment
  CAS-BOT-BC162783  Chylismia claviformis subsp. claviformis Larson; Beley 1975-4-24 74 -671 Riverside ~5 mi. N. Palm Springs, near inter. of Varner Rd. and T/C access. Comment
  SEINET10799495  Cichorium intybus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3636 Riverside Found 100 yards above Quad 6 in the wash. In fruit. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  CAS-BOT-BC289647  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mile up road toward summit of Mount Santa Rosa, San Jacinto Mountains Comment
  CAS-BOT-BC285634  Cirsium occidentale var. occidentale John Thomas Howell 1930-5-11 4865 Riverside Temescal Canyon, 1 mile south of Alberhill Comment
  RSA741377  Cirsium scariosum Scott D. White, Justin M. Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  SEINET272323 Image available Citrus sinensis A. C. Sanders 1997-5-2 19774 Riverside Riverside: N of Spruce St. between the RR and the Gage Canal near foot of Box Springs Mtns. 305 Comment
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  RSA740079  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  UCR260860  Clarkia purpurea A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41565 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 373 Comment
  UCR26383  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, S. Hagopian 1981-5-20 2131 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SDSU8712  Clarkia purpurea subsp. viminea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  CAS-BOT-BC164737  Clarkia rhomboidea H. M. Hall 1897-6-16 651 Riverside Strawberry Valley 1600 Comment
  RSA593976  Clarkia unguiculata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR230218  Claytonia parviflora A. C. Sanders 2011-4-6 38980 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  JOTR31041  Claytonia parviflora subsp. utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2025 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UC1292272  Claytonia perfoliata subsp. mexicana C. L. Hitchcock and C. V. Muhlick 1964-3-17 23074 Riverside 8 mi se Corona (along road to Elsinore) Comment
  UCR265590  Claytonia rubra Jordan Zylstra 2014-3-23 14015 Riverside San Jacinto Mountains, south of K-Flat, west of Apple Canyon Road 1463 Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 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
  UCR177947  Collinsia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 037 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  POM229458  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside sandy area north of Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  RSA0018455  Collinsia concolor Keith E. Hoffmaster 1937-6-6 773 Riverside San Jacinto Mountains. Comment
  CLARK-A1528-3912  Colubrina californica John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  OBI10312  Colubrina californica Annie M. Alexander, Louise Kellogg 1941-5-20 2206 Riverside Camy cr, SE Eagle Mts Comment
  SBBG27785  Condea emoryi D. Myrick 1964-4-30 839 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 914 Comment
  UCR68608  Convolvulus simulans Steve Boyd, D. E. Bramlet 1990-4-29 4471 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  UCR207782  Conyza coulteri O. F. Clarke 2005-9-18 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCSB25308  Corallorhiza maculata Gliessman, Stephen 1968-7-11 Riverside 1.0 mile north of Deer Springs; on Deer Springs Trail; San Jacinto Mountains 2743 Comment
  POM259105  Cordylanthus nevinii Philip A. Munz 1938-8-14 15369 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  UCR242667  Cordylanthus nevinii A. C. Sanders 2013-7-6 40848 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  UCR262246  Cordylanthus rigidus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3737 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA412342  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1932-10-22 19341 Riverside Pines to Palms HIghway Comment
  CLARK-A1528-197  Coreopsis bigelovii Charlotte Stocks 1962-4-2 Riverside Whitewater Canyon Comment
  RSA271151  Coreopsis californica C. W. Tilforth, Walter Wisura, John Dourley 1978-3-10 1502 Riverside 5 miles NW of Alberhill along Hwy 71. 366 Comment
  JOTR32156  Coreopsis californica var. californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2310 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR116001  Coronopus didymus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23306 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  UCR118244  Cotula australis Mitch Provance, J. Ross 1999-4-1 1732 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  SDSU13532  Cotula coronopifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  CAS-BOT-BC427781  Crassula connata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  SD143943  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mountains; Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 420 Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  UCR89776  Cressa truxillensis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UC129846  Crocanthemum scoparium var. vulgare Charlotte M. Wilder May 1908 892 Riverside Wilders' Jurupa Hills Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  LA204874  Croton californicus Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA777722  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17419 Riverside Mecca Hills; along Box Canyon Road, 5.5 miles NE of town of Mecca 52 Comment
  SDSU13352  Croton californicus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 27 Riverside Santa Margarita Ecological Reserve (SDSU). Side of road leading down to the Santa Margrita River from the north research station. 239 Comment
  SEINET5544967  Croton californicus H. S. Gentry 1954-1 14246 Riverside Northwest of Aguanga, along road to Sage. Comment
  UCR166165  Croton californicus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR256758  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7890 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  CAS-BOT-BC133959  Cryptantha J. H. Thomas 1949-2-28 55 a Riverside About 6.5 miles south-east of Banning between Banning and Palm Springs Comment
  OBI23286  Cryptantha Robert F. Hoover 1969-4-14 11234 Riverside Palm Springs, just S of city limit Comment
  UCR234326  Cryptantha A. C. Sanders, John F. Green 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona 319 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 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
  SBBG128627  Cryptantha angustifolia D. Silverman, A. C. Sanders 2010-3-23 7818 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SD121358  Cryptantha angustifolia G. K. Helmkamp 1983-4-5 483 33 Riverside Chuckawalla Mountains, large wash below Chuckawalla Spring, 9 miles southwest of Graham Pass Road 490 Comment
  SD124125  Cryptantha angustifolia Robert F. Thorne, Fosberg, Sachet & Herbst 1983-4-23 55469 Riverside San Bernardino Mountains, Side-canyon on west side of Whitewater canyon, ca. 3.3 miles north of Whitewater Post Office 594 Comment
  UCR242121  Cryptantha angustifolia Jim Andre 2011-2-9 15914 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
  UCR245947  Cryptantha angustifolia Duncan S. Bell 2009-3-8 54 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  JEPS22517  Cryptantha barbigera Rimo Bacigalupi with Paul Hutchison 1958-2-19 6193 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM259728  Cryptantha barbigera E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  SBBG63624  Cryptantha barbigera M. N. Ackley 1928-3-11 43 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC1212051  Cryptantha barbigera Peter H. Raven 1960-3-16 14846 Riverside Box Canyon Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  UCR180144  Cryptantha barbigera Mitch Provance 2003-4-26 9896 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR183171  Cryptantha barbigera Mitch Provance 2003-5-5 4418 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  UCR244395  Cryptantha barbigera var. fergusoniae Jim Andre 2012-4-16 20975 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA0062648  Cryptantha barbigera var. fergusoniae M. Harthill 1973-2-17 1565 Riverside W. Palm Springs. 365 Comment
  JEPS123727  Cryptantha costata J. Andre, T. La Doux 2009-2-25 10818 Riverside Palen Dry Lake, approx. 6 mi north of I-10 freeway about 15 mi E of Desert Center. USGS 7.5 min. quad. Sidewinder Well. Comment
  UCR132767  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR176721  Cryptantha decipiens A. C. Sanders, K. C. Rose 1995-4-27 16732 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  UCR38135  Cryptantha decipiens J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UC2015554  Cryptantha dumetorum A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15999 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR41546  Cryptantha dumetorum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6087 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA792745  Cryptantha intermedia R. F. Thorne 1995-3-29 63031 Riverside White Water Canyon 600 Comment
  UCR276079  Cryptantha intermedia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3799 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  JOTR36469  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3438 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  SBBG104070  Cryptantha maritima A. C. Sanders, E. J. Lawlor 1992-4-4 12103 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  UCR30071  Cryptantha maritima George K. Helmkamp 1983-4-5 483 11 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  POM126211  Cryptantha micrantha E. E. Schellenger 1911-4-25 s.n. Riverside Whitewater wash north of Palm Springs. Comment
  RSA715092  Cryptantha micrantha Sarah J. De Groot, J. Mark Porter 2006-3-14 5202 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  RSA728603  Cryptantha micrantha Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1893 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  SEINET10840807  Cryptantha micrantha David B. Dunn 1946-8-17 Dunn 2718 Riverside Round meadow dry hillside among Lodge Pole pines San Jacinto mts. Hidden Lake. 2441 Comment
  RSA499653  Cryptantha micrantha var. lepida Ora M. Clark 1929-4-7 s.n. Riverside South of Aguanga Comment
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Nov 9 2011
  SD39194  Cryptantha micrantha var. lepida Edith A. Purer 1935-4-21 6471 Riverside Desert floor, Palm Springs, western Colorado Desert. Comment
  UCR138583  Cryptantha micrantha var. micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  RSA543909  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SD152910  Cryptantha microstachys Steve Boyd, Tim Ross 1992-5-5 7239 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. Area of chaparral burned in 1989 fire. 730 Comment
  UCR104886  Cryptantha microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20647 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR153364  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-8 828 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UCR213566  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37813 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR241930  Cryptantha microstachys A. C. Sanders, John F. Green 2013-3-27 40691 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  UCR193985  Cryptantha muricata A. C. Sanders 2008-7-25 35908 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  RSA0079442  Cryptantha muricata var. jonesii LeRoy Gross, Valerie Soza 2003-5-8 832 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SBBG28428  Cryptantha muricata var. muricata D. Myrick 1964-4-30 833 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  UCD120018  Cryptantha pterocarya William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  SBBG14710  Cryptantha pterocarya var. pterocarya H. and M. Dearing 1937-4-10 Riverside near Hayfield Comment
  SD143997  Cryptantha racemosa A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15814 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell. 550 Comment
  JOTR30661  Cryptantha utahensis La Doux, Tasha, Jim Andre 2008-3-21 148 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  POM259688  Cryptantha utahensis P. A. Munz 1940-3-23 15718 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  UCR198184  Cryptantha utahensis Michael Honer, L. Hulse 2004-4-2 1874 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  UCR114541  Cucurbita foetidissima A. C. Sanders, K. C. Rose 1999-6-18 22809 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  SEINET3082945 Image available Cucurbita palmata C. M. Flanagan 1971-5-23 Riverside On the shoulder of 2 mile road, 29 Palms. Comment
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Mar 26 2014
  CAS-BOT-BC224553  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 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
  POM97306  Cuscuta californica P. A. Munz 1925-5-20 9846 Riverside Aguanga Valley. Comment
  POM48872  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 a Riverside ca. 8 miles S of Banning. 1524 Comment
  UCR101885  Cyclospermum leptophyllum A. C. Sanders 1997-3-17 20005 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  RSA0056192  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  RSA0056194  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  SEINET5624439 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-9 17531 Riverside 1km north of Chiriaco Summit, 48km east of Indio, Hayfield 7.5' USGS topographic quadrangle 555 Comment
  SEINET5624452 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  CAS-BOT-BC56160  Cylindropuntia echinocarpa L. R. Abrams 1926-3-26 11211 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM281250  Cylindropuntia echinocarpa H. G. Rush 1951-6-6 190 Riverside Big Maria Mountain Range. 26 miles north of Blythe on Highway 95. 91 Comment
  UCSB18434  Cylindropuntia ganderi del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.3 miles S of junction with State Highway 111 914 Comment
  RSA0039057  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  SEINET3085681  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  SEINET3085683  Cylindropuntia munzii Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson & Neal Kramer 2011-5-1 17306 Riverside South Side of Chuckwalla Mountains, 67km WSW of Blythe, 3.8km SSW of Augustine Pass. 665 Comment
  UCR63622  Cymbalaria muralis B. G. Pitzer 1990-8-5 1478 Riverside University of California / Riverside Botanic Garden, near the border between grid cells F-6 and G-6. Growing out of cracks of granite on the SE side of the trail, about 50 ft west of the main trail up Alder Canyon 396 Comment
  UCR59804  Cyperus eragrostis Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  RSA564024  Cyperus involucratus M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
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Nov 19 2010
  UCR86031  Cyperus involucratus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR85375  Cyperus odoratus A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11743 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  RSA680162  Cystopteris fragilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8626 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA554337  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  SEINET10452143  Dalea mollis Ernest J. Palmer 1946-2-22 Palmer 1957 Riverside Collected in mud flats dry and caked and split. All american cana catch basin From desert washes. Oracopia mts n east of the saltan sea. Very arid country. Comment
  SEINET10970016  Dalea mollis David B. Dunn 1948-3-14 Dunn 3771 Riverside Only one. Found in flat open sands near hidden springs ranch 5 mi s of the indio Hills in the colorado desert. Comment
  UCR90336  Dalea mollissima 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
  RSA91432  Dalea mollissima F. W. Peirson 1922-4-11 4428 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs 244 Comment
  SEINET6656795  Dalea spinosa Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon.; 0 Comment
  CAS-BOT-BC283041  Dasyochloa pulchella Welder 1907-4-1 s.n. Riverside Murray Wash, Palm Springs Comment
  POM147633  Dasyochloa pulchella F. M. Reed 1927-3-20 5438 Riverside Eagle canyon, fork of Salt Creek Wash, Colorado Desert Comment
  UCR265472  Dasyochloa pulchella Jordan Zylstra 2014-8-17 14024 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCSB491  Dasyochloa pulchella Yokoyama, Howard 1953-3-21 Riverside 11 mi E of Indio Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 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
  UCR113883  Datura stramonium Mitch Provance, A. C. Sanders 2000-7-4 2079 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA479904  Datura stramonium Steve D. Boyd 1987-10-10 2093 Riverside N. Main St. just S of Santa Ana River. Comment
  RSA0103316  Datura wrightii Jim M. Andre 2012-4-11 20708 Riverside Little San Bernardino Mountains; along road to Cottonwood Spr. (Utah Trail or Eldorado Mine Rd) 1 mi NW of Fried Liver Wash, approx 15 mi. south of Hwy 62 at 29 Palms. 617 Comment
  SD84921  Datura wrightii Nancy Ryan Zabriske, Walter Zabriske 1972-3-28 483 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 366 Comment
  UCR133413  Datura wrightii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 318 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR279584  Datura wrightii A. C. Sanders, Jim Malusa 2017-3-28 43135 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCSB17915  Datura wrightii Brooks, Terry 1963-5-4 Riverside State Highway 111, 9.2 miles W of Palm Desert 106 Comment
  RSA192215  Daucus pusillus E. W. Lathrop 1965-4-26 5684 -b Riverside 4 miles southwest of Murrieta. Comment
  UCR250194  Daucus pusillus A. C. Sanders 2014-4-8 40984 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  SD186075  Deinandra kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  RSA735899  Deinandra paniculata Scott D. White, Justin M. Wood 2008-6-3 12058 Riverside Perris Basin: March ARB. Comment
  RSA736329  Deinandra paniculata Scott D. White, Justin M. Wood 2008-5-27 12036 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD181704  Deinandra paniculata Scott D. White 1998-10-9 7170 Riverside Corona, near Bedford Canyon; site adjacent to housing tracts now under construction and proposed for same. 334 Comment
  SD248331  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 50 Riverside City of Riverside, Sycamore Canyon Park, west ca. 0.5 mile from Cottonwood Ave. and Sycamore Canyon Blvd. 135 Comment
  SDSU10031  Delphinium cardinale Thomas Zink 1971-7-1 Riverside Along a side road off Indian Canyon Rd. in Temescal Canyon. 305 Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  RSA525676  Delphinium parryi Steve Boyd 1990-5-3 4548 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SDSU10045  Delphinium parryi H. Wedberg 1962-5-23 942 Riverside 4.8 miles from hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC310788  Delphinium parryi subsp. maritimum Edmund C. Jaeger 1926-5-1 Riverside Joseph Canyon Santa Ana Mts. Comment
  UCR140906  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  RSA559417  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC1126383  Dendromecon rigida A. Lewis 1934-3-4 306 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  UCSB2144  Dendromecon rigida Kamb, Peter 1947-5-17 Riverside Banning-Idyllwild Road at Vista Grande Ranger Station, San Jacinto Mts. 1463 Comment
  UCR75548  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCD62838  Deschampsia danthonioides var. gracilis Robert F. Thorne; E. Lathrop, O. Clark, S. Carlquist 1968-4-18 37430 Riverside Santa Rosa Plateau. On Mesa de Colorado, Rancho California. 670 Comment
  POM162736  Deschampsia elongata Ralph Hoffmann 1929-9-7 32 Riverside Strawberry Valley, San Jacinto Mountains. 1646 Comment
  RSA751917  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  SD137696  Dicentra chrysantha Darin L. Banks 1995-4-11 183 Riverside East of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 694 Comment
  SEINET272343 Image available Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) E of Skinner Lakeat NW end of Tucalota Hills 549 Comment
  UCR252198  Dichelostemma capitatum Marissa Manahan 2011-4-21 s.n. Riverside Lake Mathews, off Cajalco Rd. across from Colorado River Aqueduct, near Lake Mathews Dr. intersection 436 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  CAS-BOT-BC292183  Dicoria canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  CAS-BOT-BC292188  Dicoria canescens Geo. B. Grant 1909-1-20 s.n. Riverside Palm Springs Comment
  UC1523589  Dicoria canescens Robert F. Thorne and C. W. Tilforth 1980-5-28 54158 Riverside n-s rocky ridge at e side Whitewater River (at mouth of canyon, ca. 1/4 - 1/2 mi e of Whitewater Post Office); San Bernardino Mts., Colorado Desert Comment
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  SD137608  Diplacus aurantiacus Darin L. Banks 1995-3-30 132 Riverside Cleveland national Forest; Agua Tibia Wilderness Area. N slope of Agua Tibia Mountain. W of the Dripping Springs Alcove, on the Woodchuck Trail 633 Comment
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Mar 2 2013
  RSA0019280  Diplacus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  SD245481  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  CAS-BOT-BC43547  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region. Riverside/UCR Botanical Garden. 366 Comment
  POM87244  Ditaxis claryana Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CHSC110028  Ditaxis lanceolata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, 2004-5-14 11225 Riverside Colardo Desert; Chocolate-Chuckwalla Mountains region: 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
  JEPS48843  Ditaxis lanceolata Marjorie D. Clary 1932-5-1 946 Riverside Deep Canyon w. Colorado Desert, Santa Rosa Mts., Deep Canyon Comment
  RSA167707  Ditaxis lanceolata R. F. Thorne, Robert L. Rutherford 1964-4-10 33552 Riverside Palm Springs. 304 Comment
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Apr 25 2011
  JOTR32617  Ditaxis neomexicana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1634 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  JOTR35376  Ditaxis neomexicana Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 165 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 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
  SJSU4500  Ditaxis neomexicana R. L. Fisher 1957-4-20 Riverside near Indio Comment
  UCR163094  Ditaxis neomexicana B. G. Pitzer, G. R. Ballmer 2000-10-14 4224 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
  UCR208852  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 351 Comment
  SEINET3105562  Dithyrea californica Faulkner 1978-3-20 331 Riverside Near Big Maria Mountains, 1 mile west of Colorado River. 152 Comment
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Sep 9 2013
  UC1922395  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1427 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC472687  Dithyrea californica M. F. Spencer 1918-3-28 Riverside near Palm Springs; Colorado Desert 100 Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  POM193556  Dodecahema leptoceras C. C. Parry, J. Lemmon 1876-1 367 Riverside Whitewater. Comment
  RSA395359  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  RSA784514  Dodecahema leptoceras Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 71 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  CSUSB810  Draba cuneifolia James K. Ryan 1969-3-26 23 Riverside 100 feet uphill beyond Canyon Reservoir at end of Blaine street 426 Comment
  UC64193  Draba cuneifolia H. M. Hall 1897-2-27 366 Riverside Rawson Comment
  UCR279363  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-24 42963 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  RSA125540  Drymocallis glandulosa R. Weatherby 1949-6-6 654 Riverside Santa Rosa Mts. 1982 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  JEPS47211  Drymocallis glandulosa var. viscida Carl V. Meyer June 1927 189 Riverside Saunder's Meadow Comment
  SD181579  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway. Open north-facing slope above dirt road. 975 Comment
  CAS-BOT-BC416942  Dudleya pulverulenta L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA0125226  Echinocereus engelmannii H. G. Rush 1950-5-10 115 Riverside Santa Rosa Mountain Range. Palms to Pines Highway, 7 miles northwest of Nightingale. 1463 Comment
  UCR33709  Echinochloa colona Sears 1977-10-13 S 605 Riverside Sonoran (Colorado) Desert, Wiley's Well exit off Interstate 10 near playa lake 122 Comment
  UCR131797  Echinochloa crus-galli Mitch Provance 1998-6-20 703 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA192298  Elatine brachysperma H. A. Zuill 1966-7-26 302 Riverside About 7.5 miles SW of Murrieta. Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR85591  Eleocharis acicularis var. acicularis Julie A. Greene, S. D. Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1424 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  SD260146  Eleocharis geniculata Mitch Provance 2012-8-1 712 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+-2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  CHSC89888  Eleocharis montevidensis L. P. Janeway 2004-5-8 8064 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  UCR195143  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR2356  Elymus condensatus F. M. Reed 1905-6-4 769 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside. Roadside near Chinatown Ford. [Near where Arroyo Tequesquite joins the Santa Ana River] 236 Comment
  UCR174541  Elymus glaucus Jennifer H. Jones 2006-6-6 392 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
  CAS-BOT-BC206525  Elymus glaucus subsp. glaucus Steve Boyd; Tim Ross 1992-5-4 7203 Riverside Sourthern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 731 Comment
  UCR132910  Elymus triticoides John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  CLARK-A1528-2965  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside Box Springs Mountains 396 Comment
  POM126305  Emmenanthe penduliflora Thomas Craig 1927-4-2 51 Riverside Canyon near Hidden Springs. Comment
  RSA401446B  Emmenanthe penduliflora E. C. Jaeger 1922-3-25 706 Riverside Murray Canon, Colorado Desert of California 366 Comment
  RSA676092  Emmenanthe penduliflora Scott D. White 2001-4-13 8318 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  SD212644  Emmenanthe penduliflora A. C. Sanders, T. B. Salvato 2006-6-2 33086 Riverside Hills between Murrieta and Menifee Valley, west of I-215 south of Bundy Canyon. 548 Comment
  UCR520  Encelia californica Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  JEPS23538  Encelia farinosa Peter H. Raven 1958-2-15 11587 Riverside along United States Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  RSA0031849  Encelia farinosa Douglas A. Springer 1981-2-16 2 Riverside 9 miles S of Corona on Interstate Hwy 15 and Cajalco Rd., E side on median and roadside. Comment
  RSA660554  Encelia farinosa Bruce Albert 1982-4-17 13 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SD251190  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 22 Comment
  UC495309  Encelia farinosa Philip A. Munz 1932-3-14 11983 Riverside Deep Canyon, Coachella Valley 152 Comment
  UCR52234  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET10618306  Encelia farinosa Billy Joe Cox 1975-4-23 Cox 4130 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  CLARK-A1045-150  Ephedra californica George K. Helmkamp 1977-3-20 Riverside Cabazon Cabazon 7.5'Q Comment
  RSA188721  Ephedra californica H. U. Stauffer, Robert F. Thorne 1964-5-5 5921 Riverside 6.5 km south of Morongo Valley, 4.8 km south of County border. 550 Comment
  RSA383840  Ephedra nevadensis Erwin Miller 1934-4-28 18722 Riverside Top of divide near Key s View, Little San Bernardino Mountains 1555 Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  POM20023  Epilobium angustifolium subsp. circumvagum Mary F. Spencer 1923-7-10 2204 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCR89318  Epilobium brachycarpum Scott D. White 1995-9-22 s.n. Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR96253  Epilobium brachycarpum Scott D. White 1996-8-1 4415 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA484733  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 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
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR133698  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 366 Comment
  UCR201870  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCD63467  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  UCR103783  Eragrostis pectinacea var. pectinacea Scott D. White 1994-10-17 2465 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  UCR211820  Eragrostis pectinacea var. pectinacea Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1064 B Riverside Peninsular Range; San jacinto Mountains, alongside Hwy 74, c. 1 mile west of junction with Hwy 243 in Mountain Center 1311 Comment
  UC494838  Eremalche exilis Philip A. Munz 1932-3-14 11992 Riverside Deep Canyon Coachella Valley, Deep Canyon 91 Comment
  UCSB9703  Eremalche rotundifolia Leeuwen, Henry 1957-4-13 Riverside Next to US 60, near juncture with Cal 195 Comment
  RSA506437  Eremogone ferrisiae Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains. Garner Valley, Hwy 74, across from Kenworthy Forest Station. Comment
  UCR279409  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-25 42998 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR279539  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-28 43156 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
  UCR55270  Eriastrum densifolium subsp. densifolium Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  UC472923  Eriastrum diffusum subsp. diffusum P. C. Standley Aug 1922 Riverside Idyllwild San Jacinto Mts. 1828 Comment
  UC1392684  Eriastrum eremicum R. F. Hoover 1969-4-14 11229 Riverside just s south city limit; Palm Springs Comment
  RSA0120401  Eriastrum eremicum subsp. eremicum H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  UCD118280  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR241056  Eriastrum filifolium John F. Green 2013-5-17 s.n. Riverside Peninsular Range, near intersection of Temescal Canyon Rd. and Campbell Ranch Rd. 329 Comment
  SEINET3087419 Image available Eriastrum sapphirinum B. Pitzer 1986-5-24 232 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 7.5' quad. 732 Comment
  UCR154634  Eriastrum sapphirinum A. C. Sanders, Mike Misenhelter 2005-6-15 30987 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR164934  Eriastrum sapphirinum T. B. Salvato, John F. Green 2004-5-27 623 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
  RSA0121573  Eriastrum sapphirinum subsp. dasyanthum J. B. Feudge 1924-5-20 898 Riverside Cabazon, Colorado Desert 542 Comment
  RSA0122979  Eriastrum sapphirinum subsp. dasyanthum L. M. Prince, Duncan S. Bell 2009-6-17 578 Riverside Cleveland National Forest Comment
  RSA0121253  Eriastrum sapphirinum subsp. sapphirinum N. C. Cooper 1949-6-29 4290 Riverside East side of San Jacinto Mountains. 1524 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  POM359405  Ericameria linearifolia Ora M. Clark 1929-3-16 1716 Riverside N. of Whitewater Comment
  RSA358580  Ericameria linearifolia Larry E. DeBuhr 1972-3-24 533 Riverside Santa Rosa Mts. along forest road 7S02 in San Bernardino National Forest 1768 Comment
  RSA221018  Ericameria parishii E. W. Lathrop 1966-3-30 6119 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  UCR231184  Ericameria parishii A. C. Sanders, Kent Beaman 2011-9-27 39924 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  CAS-BOT-BC293093  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila [Cahuilla] 1097 Comment
  POM18175  Ericameria pinifolia M. French Gilman 1932-11-30 14 Riverside Banning Water Canyon. Comment
  SDSU13523  Erigeron bonariensis W. Miller with C. Mosse 1972-7-11 Riverside Comment
  RSA674756  Erigeron divergens Scott D. White, Teresa B. Salvato 2001-6-8 8586 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  POM17508  Erigeron foliosus var. foliosus P. A. Munz 1923-6-18 7133 Riverside Temecula Canyon Comment
  UC1929909  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UC63037  Erigeron foliosus var. foliosus H. M. Hall 1899-5-1 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  POM182241  Erigeron foliosus var. stenophyllus P. A. Munz 1932-4-24 12400 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA503428  Erigeron foliosus var. stenophyllus J. D. Olmsted 1962-5-10 3663 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR241678  Eriochloa O. F. Clarke 2010-5-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA586162  Eriodictyon crassifolium D. L. Banks, S. D. Boyd 1995-3-30 127 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  SEINET4344746  Eriodictyon crassifolium I. W. Clokey, E. G. Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  UC1087301  Eriodictyon crassifolium E. K. Balls and P. C. Everett 1957-11-4 22743 Riverside Snow Creek; n base San Jacinto Mts., Snow Creek 701 Comment
  RSA455061  Eriodictyon trichocalyx var. trichocalyx N. C. Cooper 1949-6-29 4379 Riverside Above Banning 915 Comment
  RSA771654  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4914 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA393084  Eriogonum apiculatum Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  UCR251985  Eriogonum apiculatum A. C. Sanders, T. B. Salvato 2014-7-2 41168 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  JEPS56701  Eriogonum davidsonii W. L. Jepson 1903-8-4 2282 Riverside below Thomas Valley forks (trip to Spruce Canyon; Chalk Hill); San Jacinto Mts., Chalk Hill 1524 Comment
  JOTR16808  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. LOST HORSE AREA NEAR RANGER STATION 1310 Comment
  RSA613853  Eriogonum davidsonii Scott D. White, Julie Greene, Shelton Dowthit 1996-10-13 4623 Riverside San Jacinto Valley: Eastern foothills of valley (= ''Santa Rosa Hills''), S of Hemet. 550 Comment
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  RSA770419  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4882 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
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  UC64565  Eriogonum elongatum var. elongatum H. M. Hall 1897-8-28 865 Riverside Riverside Comment
  CAS-BOT-BC249901  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  POM115636  Eriogonum fasciculatum var. foliolosum A. M. Alexander, Louise Kellogg 1941-5-23 2223 Riverside 1.5 miles northeast of Cottonwood Spring, Eagle Mountains. 976 Comment
  RSA192060  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1965-4-26 5697 Riverside 4 miles southwest of Murrieta. Comment
  CAS-BOT-BC250141  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1/2 mi. below fish hatchery 548 Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA393348  Eriogonum fasciculatum var. polifolium M. B. Dunkle 1933-4-5 3371 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  SDSU13543  Eriogonum fasciculatum var. polifolium W. Miller 1972-7-20 Riverside Border N.W. of Royal Oak Ranch. Comment
  UCR117099  Eriogonum fasciculatum var. polifolium A. C. Sanders, T. B. Salvato 2001-5-16 24303 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  SBBG62101  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11256 Riverside Temescal Cyn Comment
  RSA527857  Eriogonum gracile var. incultum Scott D. White 1991-5-10 91 -153 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  VVC412  Eriogonum inflatum W. W. Mayhew 1959-2-4 s.n. Riverside Colorado Desert, 6 miles SE of Midland 228 Comment
  RSA679987  Eriogonum molestum LeRoy Gross, Firoozeh Navidara, Valerie Soza 2003-6-23 1119 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  RSA761156  Eriogonum nudum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 687 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG1585  Eriogonum parishii H. and M. Dearing 1937-11-26 110 Riverside below Santa Rosa Spring Comment
  RSA226510  Eriogonum reniforme C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. Comment
  UC667265  Eriogonum reniforme Annie M. Alexander and Louise Kellogg 1941-5-15 2178 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC268555  Eriogonum saxatile H. M. Hall 1897-7-7 729 Riverside San Jacinto Mt. Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  HSC24856  Eriogonum thomasii James Henrickson 1971-4-2 5485 Riverside Hidden Oasis, 13 miles E of Palm Spring 183 Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  RSA519021  Eriogonum thomasii George K. Helmkamp 1986-4-7 761 Riverside South of Morongo Valley: First canyon east of and parallel to Hwy 62 north of Indian Ave. B.M. land. 579 Comment
  RSA639634  Eriogonum thomasii Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55362 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  RSA676112  Eriogonum thomasii Scott D. White 2001-4-3 8244 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  UCR245927  Eriogonum thomasii Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3950 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  CAS-BOT-BC262874  Eriogonum thurberi Annie M. Alexander; Louise Kellogg 1941-4-24 2077 Riverside Morongo Valley Gorge of Dry Morongo Creek 640 Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  JOTR35361  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  LA207037  Eriogonum umbellatum var. munzii Elizabeth McClintock; 1940-6-30 sn Riverside San Jacinto Mountains, Marion Camp Comment
  SBBG28186  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside N base of Santa Rosa Mtns, Indio to Vandeventer Flats Rd 609 Comment
  UCR2829  Erioneuron pulchellum F. M. Reed 1920-5-10 4340 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Rocky ridge north of Murray Canyon [near Palm Springs] 396 Comment
  CAS-BOT-BC297355  Eriophyllum confertiflorum Edmund C. Jaeger 1938-5-10 s.n. Riverside Stubby Springs, Joshua Tree National Monument 1219 Comment
  POM357966  Eriophyllum confertiflorum Norman C. Cooper 1944-6-17 1405 Riverside San Jacinto Mtns. West side. 1372 Comment
  POM357971  Eriophyllum confertiflorum Norman C. Cooper 1944-4-22 1123 Riverside Banning 701 Comment
  RSA651121  Eriophyllum confertiflorum Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  GMDRC2040  Eriophyllum confertiflorum var. confertiflorum J. Andre 2006-4-26 6746 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  JOTR37444  Eriophyllum confertiflorum var. confertiflorum Hodges, Stephen, T. Green 2016-5-24 566 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  POM359848  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  RSA92742  Eriophyllum multicaule J. C. Roos 1952-5-19 5690 Riverside One year old burn on hills N of Moreno. 503 Comment
  UC1022811  Eriophyllum wallacei Philip A. Munz 1940-3-23 15720 Riverside 3 mi n Cottonwood Springs; Southern California, Eagle Mts. 914 Comment
  UCR91885  Erodium botrys A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18067 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA0126276  Erodium cicutarium Duncan S. Bell 2016-3-4 8806 Riverside Orocopia Mountains; northwest section of the range, in a small canyon approximately 4 air miles north northwest of the Orocopia Mountain summit area. 622 Comment
  RSA741201  Erodium cicutarium Scott D. White, Justin M. Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SEINET269332  Erodium cicutarium Karen Kirtland 1993-6-19 Riverside San Jacinto River Valley: along I-215 between 4th St. (Perris) and approximately 0.25 miles south of the San Jacinto Riv 430 Comment
  OBI43226  Erysimum capitatum Malcolm G. McLeod 1971-6-22 466 Riverside Idyllwild Comment
  POM17831  Erysimum capitatum var. capitatum P. A. Munz, D. D. Keck 1923-6-14 7067 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  RSA262083  Erysimum capitatum var. capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD70913  Erythranthe cardinalis Helen V. Witham 1969-7-2 175 Riverside edge of water. De Luz Creek crossing, 4 mil. N. of De Luz 249 Comment
  RSA0020246  Erythranthe floribunda Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  SD70786  Erythranthe primuloides D. B. Dunn 1946-8-17 2690 Riverside Near stream at camp in Taquitz valley dam meadow area. San Jacinto Mts. Comment
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May 24 2012
  JOTR30147  Eschscholzia La Doux, Tasha 2008-2-4 1711 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  JOTR34368  Eschscholzia Andre, Jim 2012-4-16 20884 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  GMDRC7794  Eschscholzia androuxii J. M. Andre 2015-3-6 33562 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 561 Comment
  JEPS51796  Eschscholzia californica W. L. Jepson May 17 1901-Jun 1 1901 1319 Riverside Chalk Hill Mt. San Jacinto Comment
  RSA704003  Eschscholzia californica subsp. californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 124 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  UCD94204  Eschscholzia glyptosperma Shannon M. Still 2008-3-21 315 Riverside California. Riverside County: Little Maria Mountains on Midland Road. North of pass through the mountains just off west side of the road. 271 Comment
  CAS-BOT-BC83126  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CAS-BOT-BC83131  Eschscholzia minutiflora Annie M. Alexander; Louise Kellogg 1941-5-15 2179 Riverside North base of Eagle Mountains. 914 Comment
  JOTR28881  Eschscholzia minutiflora La Doux, Tasha 2004-2-24 1116 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  RSA726533  Eschscholzia minutiflora Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1443 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA0023136  Eschscholzia minutiflora Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  RSA0023222  Eschscholzia papastillii Robert F. Thorne 1963-3-29 32409 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  JEPS24880 Image available Eschscholzia parishii Peter M. Ray 1949-3-6 1339 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UC635608  Eschscholzia parishii H. L. Mason 1928-3-10 4244 a Riverside road from Indio to Palm Springs Comment
  RSA0022917  Eschscholzia parishii Christopher Davidson 1973-4-1 1840 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR113559  Eucalyptus camaldulensis Mitch Provance 2000-9-1 2230 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 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
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  UCR33572  Eucrypta micrantha Faulkner 1978-3-15 273 Riverside Sonoran (Colorado) Desert, 1 mi. west of Hwy 95, 25 mi. north of Blythe 152 Comment
  UCR152632  Euphorbia albomarginata A. C. Sanders 2005-4-22 29600 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  GMDRC5490  Euphorbia eriantha J. Andre 2012-4-16 20920 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10 788 Comment
  UCR88156  Euphorbia ophthalmica A. C. Sanders 1994-11-8 15864 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  UC410719  Euphorbia palmeri Mrs. E. C. Van Dyke Jul 1928 Riverside Idyllwild Comment
  RSA0119995  Euphorbia pediculifera Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9086 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA797431  Euphorbia polycarpa Keith E. Hoffmaster 1937-6-6 s.n. Riverside Palms to Pines Road, 4-5 miles south of Lake Hemet, San Jacinto Mountains. Comment
  UCR213398  Euphorbia polycarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37463 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  OBI14407  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10162 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA296137  Euphorbia polycarpa var. hirtella B. A. Prigge 1980-8-5 3879 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  UCR111774  Euphorbia polycarpa var. hirtella Mitch Provance, J. Ross 1999-4-1 1726 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR183166  Euphorbia polycarpa var. hirtella Mitch Provance 2003-5-5 4409 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR239868  Euphorbia serpens O. F. Clarke 2003-9-1 s.n. Riverside Peninsular Range, Riverside, UCR Botanical Garden, along wheelchair trail NW of rose garden 351 Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  NY43266  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  POM128655  Fagonia pachyacantha M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  UCR86159  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UCR158252  Festuca myuros A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30116 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
  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
  UCR126260  Festuca octoflora Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  UCR174603  Festuca octoflora A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32490 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
  RSA339694  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54216 a Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA683865  Filago californica Scott D. White, Michael Honer 2003-4-4 8953 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR107401  Filago californica B. G. Pitzer 1997-3-23 2982 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR213571  Filago californica A. C. Sanders, Matthew Malle 2010-4-23 38001 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA559935  Filago gallica Steve Boyd 1992-4-15 6885 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Tenaja Trail (5W07) 0.5 mile N of junction with San Mateo Creek, W of Fisherman's Camp 549 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  CHSC4931  Fouquieria splendens R. Pierce Jr. 1967-4-12 48 Riverside 1/4 mi s of Choilz Cactus Park in Joshua Tree National Monument. Comment
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Jan 11 2007
  UCR133680  Frankenia salina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR135852  Frankenia salina A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Peninsular Range, Temescal Creek in Walker Canyon, at foot of Alberhill Mountain 378 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
  UC1123366  Fraxinus dipetala R. St. John 1931-3-25 199 Riverside e of Sierra Peak; Corona Quad. 457 Comment
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Nov 27 2011
  UCR58483  Fraxinus dipetala Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  RSA430208B  Fremontodendron californicum E. Misquez 1987-4-11 s.n. Riverside Motte Reserve, west of Hwy 215, at the end of a paved and dirt road at the end of Nuevo Rd. , near the water tanks--species planted here. Comment
  RSA765482  Funastrum cynanchoides var. hartwegii Doris Hoover Bowers 1972-4-15 1801 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  UCR260957  Funastrum cynanchoides var. hartwegii Duncan S. Bell 2013-1-30 4442 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  RSA784944  Funastrum hirtellum Duncan S. Bell 2012-2-12 3122 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA799405  Funastrum hirtellum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 742 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UCR260225  Funastrum hirtellum A. C. Sanders, Jim Malusa 2015-3-11 41406 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  RSA0023061  Funastrum hirtellum John F. Emmel 1995-4-21 1363 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  SEINET10496384  Funastrum hirtellum David B. Dunn Dunn 11874 Riverside Collected at Pushawalla Canyon on hills Comment
  CLARK-A1528-3945  Galium angustifolium Charles S. Papp 1964-6-6 507 Riverside Cleveland National Forest 853 Comment
  JEPS56035  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4331 Riverside e-facing slope s Temecula (just n of county line) Comment
  RSA87112  Galium angustifolium subsp. angustifolium F. W. Peirson 1920-6-22 4500 Riverside Dripping Springs, Temecula River 457 Comment
  SDSU13556  Galium angustifolium subsp. angustifolium W. Miller with C. Mosse 1972-7-11 Riverside 150 yards upstream; pass rock slide near oak tree. Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  JOTR35476  Galium angustifolium subsp. gracillimum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-26 79 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1389 Comment
  SD229269  Galium angustifolium subsp. gracillimum Dick Schwenkmeyer 2012-8-28 820 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA689697  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  RSA761233  Galium angustifolium subsp. jacinticum Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 722 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  RSA263735  Galium aparine E. W. Lathrop 1968-5-22 6918 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD51947  Galium aparine Reid Moran 1962-7-7 9853 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 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
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UCR116586  Galium murale A. C. Sanders 2001-5-10 24251 Riverside San Bernardino Valley region, Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  UCR23491  Galium parishii John C. Roos 1936-9-15 2510 Riverside San Jacinto Mtns., Above Idyllwild Comment
  SBBG119992  Galium porrigens var. porrigens A. C. Sanders with M. Misenhelter 2005-3-23 29266 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD137626  Galium porrigens var. porrigens Darin L. Banks 1995-3-15 77 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 2643 Comment
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May 20 2012
  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
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UCR199832  Galium stellatum var. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11268 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
  POM261676  Garrya flavescens var. pallida W. Pequegnat 1940-12-28 s.n. Riverside Santiago Pk., Santa Ana Mts. Comment
  RSA750739  Garrya veatchii Scott D. White, Justin M. Wood 2009-5-22 12906 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  POM265812  Gayophytum diffusum subsp. parviflorum J. C. Roos 1937-8-18 2529 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA6015  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1932-8-5 3932 Riverside Summit of Devil s Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  IRVC28532  Geraea canescens John F. Green 2005-1-14 s.n. Riverside Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring Sonoran (Colorado) Desert 23 Comment
  RSA778247  Geraea canescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 933 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR75049  Geraea canescens A. C. Sanders, E. J. Lawlor 1992-4-4 12104 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD212642  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside UCR campus, weeds in botanical garden. 351 Comment
  UCR139152  Gilia S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  RSA470109  Gilia angelensis Anonymous 1909-05 1931 Riverside Fairmont Hill [now North Hill, Riverside] Comment
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR261418  Gilia angelensis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41429 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR6144  Gilia angelensis C. M. Bringle, H. Johnston 1967-4-22 5 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  RSA0017091  Gilia ochroleuca subsp. exilis D. L. Banks, Victor W. Steinmann 1997-3-13 1502 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
  SEINET9361529  Gilia ophthalmoides Unknown 1976-5-2 Riverside Red Mountain Road. Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  RSA771780  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5034 -c 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
  JOTR35153  Gilia stellata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3265 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  JOTR36453  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3423 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA792047  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside White Water Canyon. 600 Comment
  UCR61091  Githopsis diffusa Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth, C. Boyd 1988-5-28 2307 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR23687  Githopsis diffusa subsp. diffusa John C. Roos 1950-4-22 4750 Riverside Hills NE of the summit of Reche Canyon 823 Comment
  RSA575838  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  RSA701560  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA0060583  Gnaphalium californicum Bob Rogers 1984-4-14 8 Riverside Collected in the San Jacinto river-bed on the North side of Highway 74, 0.5 miles past Cranston ranger station going East from Hemet towards Mountain Center. 610 Comment
  UCR51474  Gnaphalium canescens subsp. beneolens B. G. Pitzer, Jack Easton 1987-3-10 0398 Riverside San Jacinto Mtns., Anza area, hills south of Thomas Mtn., c. 3 mi east of town of Anza on north side of Hwy 371 1341 Comment
  UCR138595  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UCR174963  Gnaphalium luteoalbum Teresa Nieto 2005-5-26 34 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA560849  Gnaphalium palustre Steve Boyd, Tim Ross 1992-5-4 7175 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR174347  Gnaphalium palustre A. C. Sanders 2006-5-19 32402 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
  UCR202597  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA543828  Gnaphalium stramineum Steve Boyd, Orlando Mistretta 1991-5-22 6297 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA643677  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR172164  Gutierrezia californica T. B. Salvato, Gregg Miller 2005-6-3 1381 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  LA102373  Gutierrezia sarothrae John C. Roos; 1965-9-26 sn Riverside Santa Rosa Mountains, NE slope of Asbestos Mountain Comment
  UC494687  Gutierrezia sarothrae P. A. Munz 1932-10-16 12851 Riverside road Indio to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  RSA0066621  Harpagonella palmeri A. C. Sanders 2006-5-19 32379 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET3242791 Image available Harpagonella palmeri Steve Boyd 1986-1 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  RSA0066634  Harpagonella palmeri D. L. Banks, S. D. Boyd 1995-3-15 57 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 683 Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  RSA0018590  Helianthus annuus Duncan S. Bell 2013-1-30 4456 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SEINET5711055  Helianthus californicus Lowell E. Urbatsch, Jim Grace; Sue Grace 1995-1 7094 Riverside Road to Idyllwild from Banning, ca. 5.5 miles from the south edge of Banning along CA 243; San Bernardino National Forest.; Banning 1219 Comment
  CLARK-A1528-1912  Helianthus niveus subsp. canescens John C. Roos 1962-4-3 Riverside Palm Springs Municipal Airport 121 Comment
  JEPS35469  Helianthus petiolaris subsp. canescens Clary 1932-4-15 813 Riverside open desert w Indio Comment
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Dec 6 2011
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  POM360278  Hemizonia fasciculata Robert Gustafson, Gary D. Wallace 1983-6-23 2720 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  CLARK-A1528-1919  Hemizonia kelloggii John C. Roos 1943-7-15 2731 Riverside San Timoteo Canyon Comment
  CLARK-A1528-1921  Hemizonia kelloggii John C. Roos 1952-5-26 5713 Riverside Reche Canyon 457 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
  UCR202019  Hemizonia kelloggii Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  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
  RSA678262  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 -b Riverside Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UCR201461  Hemizonia mohavensis Scott D. White, Justin M. Wood 2008-7-10 12446 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  RSA0080067  Hemizonia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman s Retreat Lake. 597 Comment
  UCR89236  Hemizonia pungens subsp. pungens Scott D. White 1995-9-22 3685 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA377054  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  UCR174447  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  RSA740928  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-7-9 12429 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  RSA0088971  Heterotheca grandiflora R. G. Swinney 1967-5-26 11737 Riverside Snow Creek. 335 Comment
  UCR176668  Heterotheca grandiflora G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  SBBG63118  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  SD136914  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland Nationsl Forest. 299 Comment
  UCR146129  Heuchera rubescens Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1447 Riverside Peninsular Ranges; San Jacinto Mtns, northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  RSA778205  Hibiscus denudatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 799 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR124099  Hilaria rigida Steven R. Hill 2001-5-3 33679 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA782004  Hoffmannseggia glauca Stephanie Rockwood, Christi Gabriel 2011-10-18 118 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  UCR89998  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  LA45812  Hoffmannseggia microphylla Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SD193231  Holocarpha virgata subsp. elongata A. C. Sanders, Kelly Volansky 2005-8-31 31599 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, ca. 0.5 mile north of Tenaja Rd. 671 Comment
  RSA666779  Hordeum depressum A. C. Sanders, D. Malueg 2001-5-17 24358 Riverside Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Raod at and near Warm Springs Creek, S of Scott Rd., 33 deg 37.5' N, 117 deg 07.8' W 415 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR76162  Hordeum depressum A. C. Sanders 1993-4-1 13661 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 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
  POM12102  Horkelia clevelandii Mary F. Spencer 1921-6-15 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR256883  Horkelia clevelandii G. D. Wallace 2003-7-8 4050 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  HSC79039  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields 0.25 mi. S of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  RSA0124125  Horsfordia newberryi Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8736 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  LA47894  Hosackia crassifolia var. crassifolia Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  RSA0054880  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 757 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UC897985  Hulsea vestita subsp. callicarpha Carl B. Wolf 1932-8-5 3970 Riverside Trail from Tahquitz Valley to San Jacinto; San Jacinto Mountains 2895 Comment
  UCSB26725  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside 1 mile south of Idyllwild, along Riverside County Road R1, San Jacinto Mtns. 1645 Comment
  POM4806  Hymenoclea salsola Marjorie Shaw 1916-03 s.n. Riverside Palm springs Comment
  RSA0106690  Hymenoclea salsola Duncan S. Bell, Amanda Turek 2009-3-30 192 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA0009845  Hymenoclea salsola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET11847653  Hymenoclea salsola Unknown 1936-1 12744 Riverside Colorado Desert N of Palm Springs Comment
  UC871755  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  UCR111552  Hypochaeris glabra Mitch Provance, J. Ross 1999-4-1 1727 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  CAS-BOT-BC219774  Hyptis emoryi D. E. Breedlove 1962-3-11 1884 Riverside On rocky bank of Cat Creek, 3 miles southwest of Palm Desert 426 Comment
  RSA134882  Hyptis emoryi L. S. Rose 1959-1-8 59000 Riverside La Quinta. 30 Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  UCR131018  Hyptis emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR52026  Hyptis emoryi Steve Boyd, S. Meury, , Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2102 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR75068  Hyptis emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12113 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET12277044  Hyptis emoryi L. S. Rose 1936-1 36791 Riverside Palm Canyon Wash 152 Comment
  RSA487823  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi. S of its junction with hwy 111 in Coachella and 3.85 mi. n of Valerie Jean, 0.55 mi. N of ave 60. -11 Comment
  JEPS19108  Isocoma acradenia var. eremophila W. L. Jepson 1914-5-21 6039 Riverside about Indio 7 Comment
  UCR180385  Isocoma acradenia var. eremophila Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11277 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  SBBG81101  Isocoma menziesii S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  SD181693  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Corona, near Bedford Canyon. 334 Comment
  UCR89246  Isocoma menziesii var. vernonioides Scott D. White 1995-9-22 3682 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UC1088554  Isomeris arborea Peter H. Raven 1958-1-23 10409 Riverside 2.7 mi w Whitewater Post Office Comment
  CAS-BOT-BC324740  Iva axillaris I. M. Johnston 1918-5-30 2014 Riverside Temescal Canyon 365 Comment
  UC2062449  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7425 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  IRVC28523  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. San Bernardino Mtns. 793 Comment
  POM123049  Juncus acutus subsp. leopoldii Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  IRVC2015  Juncus balticus R. H. Whittaker, W. A. Niering 1963-6-6 SJ 248 Riverside 5509, Bee Canyon. San Jacinto Mountains 610 Comment
  UCR59802  Juncus balticus Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  UCD141347  Juncus balticus subsp. ater A. C. Sanders; O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR130164  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside San Jacinto Mtns., vicinity of Strawberry Valley 1646 Comment
  SD122852  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside DeLuz Road, 8 miles west of Rancho California, side canyon of Sandia Creek, in wet sand along stream. 305 Comment
  UCR14556  Juncus mexicanus A. C. Sanders 1974-5-12 00674 Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1067 Comment
  UCR195132  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  JOTR30676  Justicia californica Andre, Jim, Tasha La Doux 2008-3-21 8828 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  POM292861  Justicia californica Lyman D. Benson 1949-3-28 13577 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 305 Comment
  POM308629  Justicia californica Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3220 Riverside Near Desert Center. Comment
  RSA0092849  Justicia californica Jim M. Andre 2012-4-11 20816 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC1051454  Justicia californica Herbert L. Mason 1952-4-7 14212 Riverside Palm Canyon Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  VVC1722  Justicia californica Jim Andre, T. La 2009-3-10 11245 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  SEINET12316129  Justicia californica J. F. Bright, Wyman, C. 1933-1 8082 Riverside Mojave Desert near Palm Springs Comment
  SBBG129032  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-10 40414 Riverside Sonoran (Colorado) Desert: 120 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  UCR277882  Keckiella antirrhinoides B. C. Templeton 1930-4-15 1100 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  RSA0018939  Keckiella antirrhinoides subsp. microphylla R. S. Woglum 1941-5-17 3038 Riverside Coyote Canyon, extreme south-central Riverside Co. Comment
  CHSC89890  Keckiella antirrhinoides var. antirrhinoides L. P. Janeway 2004-5-8 8067 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  SEINET10956018  Keckiella antirrhinoides var. antirrhinoides Greg Gust, Leith Nye 2005-3-11 Gust 544 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  RSA400463  Keckiella rothrockii subsp. jacintensis M. B. Dunkle 1933-7-19 3686 Riverside Tahquitz Ridge. 2561 Comment
  UCD85716  Koeleria macrantha A. A. Beetle 1946-6-10 4393 Riverside San Jacinto Mt., San Jacinto Mts. 1219 Comment
  CAS-BOT-BC61433  Krameria bicolor D. A. Johansen; J. A. Ewan 1932-4-12 7070 Riverside Devils Canyon above Coachella Valley, Colorado Desert 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
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA776573  Krameria erecta Amber Swanson 2011-4-8 368 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA408602  Krameria grayi Jack Rempel 1932-11-13 16121 Riverside 6 miles up Palm Wash Comment
  RSA795938  Krameria grayi Duncan S. Bell 2009-4-18 258 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  UCR239243  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 035 Riverside Colorado (Sonoran) Desert, McCoy Wash, road going north from Black Rock Road, south side of private boundary, north of Hwy I-10 244 Comment
  UCR167434  Lamarckia aurea John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  UCD118401  Langloisia setosissima C. L. Hitchcock 1966-3-20 24310 Riverside just north of Milpitas Wash, Ogilby-Blythe Road. Comment
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Mar 2 2013
  SBBG35059  Langloisia setosissima subsp. setosissima H. and M. Dearing 1937-4-10 1344 Riverside Thousand Palms Cyn Comment
  RSA0128199  Larrea divaricata G. Rink 2013-3-17 11862 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  JOTR29391  Larrea tridentata La Doux, Tasha, Mike Bell 2006-5-10 1468 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA682850  Larrea tridentata Scott D. White 2003-3-23 8843 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCSB9622  Larrea tridentata Krogen, Roger 1957-1 Riverside along roadsides 2 mi. N of HWY ,60-70 in Whitewater Canyon Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  POM361603  Lasthenia coronaria P. J. Remple 1942-3-2 s.n. Riverside San Gorgonio Pass S of Cabazon Comment
  RSA361596  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  RSA0035240  Lasthenia glabrata Andrew Haimov, April Sleigh 1992-4-20 77 Riverside 20 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  POM13209  Lasthenia gracilis P. A. Munz, I. M. Johnston 1920-5-20 5452 Riverside Hemet Valley, San Jacinto Mts 1372 Comment
  RSA0009796  Lasthenia gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR103175  Lasthenia gracilis Scott D. White, J. Greene 1997-3-12 4774 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  UCR110985  Lathyrus vestitus var. vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  JEPS40026  Layia glandulosa W. L. Jepson 1901-5-19 1280 Riverside Strawberry Valley; San Jacinto River Canyon 640 Comment
  UCR19470  Layia glandulosa C. S. Papp 1965-6-13 846 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  CAS-BOT-BC320797  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UCR16860  Layia platyglossa Heidi A. Haid 1964-5-10 64510- 08 Riverside Peninsular Range; San Jacinto Mtns., about 2 miles east of Idyllwild junction [Mountain Center?] on Hwy 74 'Hemet Meadow 1372 Comment
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Jan 8 2013
  UCR174162  Layia platyglossa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32638 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
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  SBBG104095  Lepidium dictyotum A. C. Sanders 1993-4-5 13683 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  RSA717052  Lepidium didymum A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12073 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  POM265130  Lepidium fremontii I. L. Wiggins 1937-3-9 8745 Riverside Chuckawalla Spring, Chuckawalla Mts. Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  CAS-BOT-BC89587  Lepidium lasiocarpum E. A. McGregor 1917-3-19 798 Riverside Colorado Desert. Indio Sands near U.S. Date garden. Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  RSA717468  Lepidium lasiocarpum Scott D. White, Andrea Warniment 2006-3-22 11265 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA784722  Lepidium lasiocarpum Duncan S. Bell 2012-3-18 3209 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
  UCR260577  Lepidium lasiocarpum A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41538 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, southwest side of Temescal Canyon Rd. near El Hermano Road junction 313 Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  RSA689387  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  SDSU14133  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
  UCR108833  Lepidium latifolium O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR111607  Lepidium latifolium Mitch Provance 1999-5-4 1686 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA522317  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at W extension of Rubidoux Avenue. Comment
  UCR26523  Lepidium pinnatifidum A. C. Sanders, S. Hagopian 1981-5-20 1258 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  CAS-BOT-BC12903  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin. Riverside, Reid Park on Orange Street, in the northern part of town. East of North Main St. 253 Comment
  CLARK-A1528-5233  Lepidium virginicum John C. Roos 1952-3-19 5405 Riverside Box Springs Mountains 487 Comment
  RSA522758  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3865 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR241104  Lepidium virginicum var. robinsonii A. C. Sanders, Timothy W. Chumley 2013-4-2 40741 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR266679  Lepidium virginicum var. robinsonii D. E. Bramlet, Ileene Anderson 2005-4-18 3806 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
  RSA773592  Lepidium virginicum var. virginicum Duncan S. Bell, J. D. England 2010-6-14 1304 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  CDA23632  Lepidospartum squamatum Mike Lahti 2008-8-19 PDR# 1473307 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  SEINET7883487 Image available Lepidospartum squamatum Lewis S. Rose 1958-1 38331 Riverside 3 mi. se. of Palm Springs Station Whitewater Wash 274 Comment
  UCR2516  Leptochloa uninervia F. M. Reed 1933-11-10 8312 Riverside Corona 305 Comment
  UCR119860  Leptodactylon pungens Heidi West 2000-7-17 s.n. Riverside San Jacinto Mtns., 0.9 mi. NE of Cornell Peak and 1.0 mi. NNW of Divide Peak 2622 Comment
  RSA73688  Leptosiphon ciliatus E. C. Jaeger 1921-7-12 5456 Riverside Dutch Flats, San Jacino Mts. Comment
  SBBG89085  Leptosiphon floribundus subsp. hallii D. Charlton 1988-5-28 2114 Riverside S of St Hwy 74, dirt rd to Toro and Santa Rosa Pk; Toro Camp Area 2286 Comment
  POM13198  Leptosiphon lemmonii P. A. Munz 1922-5-20 5477 Riverside Kenworthy, Covering miles of sandy flats. 1463 Comment
  POM364625  Leptosiphon lemmonii N. C. Cooper 1944-5-6 1187 Riverside Banning. 701 Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  RSA588804  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 0757 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA700101  Lessingia glandulifera var. glandulifera Virginia Moran 2003-9-1 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management: Section 33 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  RSA773470  Lessingia glandulifera var. glandulifera Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 B Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA512760  Leymus condensatus Walter Wisura, Bart O'Brien, M. Durant 1990-6-12 4443 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  RSA589075  Leymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  UCD105112  Limonium R. E. Riefner Jr. 2006-8-2 06 356 Riverside Temescal Valley, W side of I-15 Freeway, ca. 1.1 mi N of Temescal Canyon Rd. 289 Comment
  UC1922839  Limosella acaulis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1774 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCR48358  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  LA206675  Linanthus californicus Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside San Jacinto Mountains, between Hidden Lake and Round Valley Comment
  UCD166199  Linanthus californicus Jack Major 1962-4-16 764 Riverside Along shoulder and on cut banks of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UC455665  Linanthus dianthiflorus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  RSA525462  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, D. E. Bramlet 1990-4-29 4508 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA480008  Linanthus jonesii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1998-3-10 2135 Riverside N. end Palen Mountains, 2 mi west of Palen Pass, mid-bajada. 91 Comment
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Jun 23 2012
  SD231405  Linanthus jonesii J. Mark Porter, Sara DeGroot 2005-3-9 14247 Riverside East of State Route 62, on paved road between Peirson Blvd. and Indian Ave., north of the Metropolitan Water District Resevior, Morongo Valley. On both sides of the roads. 486 Comment
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  UCR25033  Linanthus lemmonii A. C. Sanders 1980-7-22 1736 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  CLARK-A1528-722  Linanthus liniflorus subsp. pharnaceoides C. M. Flanagan 1973-5-20 OO 532 Riverside Morongo Indian Reservation 1158 Comment
  CLARK-A1528-711  Linanthus maculatus Charlotte Stocks 1965-5-10 Riverside Whitewater Wash Comment
  UCR213886  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR48508  Linanthus pygmaeus Steve Boyd 1986-4-13 1688 Riverside Gavilan Hills, Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  UCR171972  Linaria canadensis 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
  RSA0010985  Lithophragma affine Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2124 Riverside Santa Rosa Mountains. Comment
  RSA221083  Lithophragma affine subsp. mixtum E. W. Lathrop 1966-3-30 6121 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat l Forest 1220 Comment
  JEPS78512  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  CAS-BOT-BC174464  Loeflingia squarrosa John Thomas Howell 1930-5-10 4802 Riverside At top of St. John's Grade Comment
  CHSC26202  Loeseliastrum matthewsii Cheryl Johnson 1967-3-26 43 Riverside 3 miles SE of Palm Springs on Varner Road near Willis Palms in Indio Hills. 30 Comment
  UC23705  Loeseliastrum matthewsii H. M. Hall 1899-6-1 Riverside Smith Mt. Comment
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC32054  Logfia filaginoides W. G. Wright 1890-1-1 1769 Riverside Colorado Desert Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UCR54315  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET8465371 Image available Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside Perris-Aguanga Basin; Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 549 Comment
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  SEINET10931686  Lotus David B. Dunn 1946-8-18 Dunn 2734 Riverside Found in san jacinto mts app 500' from peak. Comment
  UCR194204  Lotus argophyllus Scott D. White 2006-4-27 11302 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UC454101  Lotus grandiflorus I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  UCR9383  Lotus grandiflorus D. H. Wilken 1965-6-29 367 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  RSA0028966  Lotus grandiflorus var. mutabilis Keith E. Hoffmaster 1937-7-5 820 Riverside San Jacinto Mtns. Comment
  RSA544375  Lotus hamatus Steve Boyd, T. S. Ross 1991-6-14 6390 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR154821  Lotus hamatus A. C. Sanders, Mike Misenhelter 2005-3-23 29285 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  RSA544317  Lotus heermannii Steve Boyd 1991-9-8 6424 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  SDSU4302  Lotus heermannii bruhns 1965-5-22 112 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  UC15659  Lotus heermannii H. M. Hall 1901-6 2379 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA641177  Lotus nevadensis var. nevadensis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SEINET6655531  Lotus nevadensis var. nevadensis LeRoy Gross, Valerie Soza; Firoozeh Navidara 2003-6-23 1117 Riverside Peninsular Ranges; San Jacinto Mountains region: Black Mountain Road (4501), southeast of Black Mountain & northwest of Fuller Mill Creek. Near Lake Fulmor & Palm Springs. 7.5 Quad.; 0 613 Comment
  POM12852  Lotus oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch, Hemet Valley 1372 Comment
  POM2464  Lotus oblongifolius H. M. Hall 1901-07 2380 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UC489086  Lotus oblongifolius var. oblongifolius C. V. Meyer 1928-7-24 Riverside Idyllwild Falls San Jacinto Mts. 1981 Comment
  UCR133388  Lotus purshianus Tracy Tennant, T. B. Salvato 1998-6-23 486 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  JEPS55819  Lotus rigidus W. L. Jepson 1914-5-17 5984 Riverside n of Indio; Colorado Desert, Lookout Mt. 914 Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  RSA498790  Lotus rigidus Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  UC922960  Lotus rigidus Annie M. Alexander and Louise Kellogg 1940-3-21 890 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  JEPS65154  Lotus salsuginosus W. L. Jepson 1935-4-17 19143 Riverside 1.5 mi n Elsinore 457 Comment
  RSA659785  Lotus salsuginosus J. C. Roos, L. Roos 1952-5-19 5694 Riverside On hills north of Moreno. Comment
  RSA727090  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA406830  Lotus salsuginosus var. brevivexillus Robert Gustafson 1978-3-22 837 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  RSA735321  Lotus salsuginosus var. brevivexillus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11254 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
  RSA90309  Lotus salsuginosus var. brevivexillus F. W. Peirson 1922-4-9 2873 Riverside In canyon eastward from lower part of Palm Canyon. Comment
  UCR137561  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-5 27760 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UC597639  Lotus scoparius var. brevialatus Philip A. Munz 1937-5-31 15115 Riverside Anza Tablet, at head of Coyote Canyon, sw Riverside County Coyote Canyon 1066 Comment
  CSUSB1196  Lotus strigosus Ed West 1972-5-5 4 Riverside San Jacinto Mountains San Jacinto Mountains. 15.3 miles from Banning on the Palms to Pines Highway. 1746 Comment
  UCR127355  Lotus strigosus A. C. Sanders, D. Malueg 2003-5-8 26571 Riverside Perris-Aguanga Basin region, Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek 396 Comment
  UCR84593  Lotus strigosus Scott D. White, S. Ogg 1994-4-21 1975 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA697979  Lotus subpinnatus J. R. Bruff 1928-4-2 89 Riverside Whitewater. Comment
  RSA457754  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2121 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  POM349945  Lupinus arizonicus A. M. Johnson 1933-4-28 s.n. Riverside 2 miles up from Palm Springs highway, Hemet Mt. road. Comment
  RSA581752  Lupinus arizonicus Michael Wall, Lorrae Fuentes 1995-4-13 101 Riverside Coachella Valley, east of Desert Hot Springs along dirt road paralleling Dillon road, 16.7 miles east of Hwy 62 where hills are closest to the road. Comment
  SEINET10870662  Lupinus arizonicus David B. Dunn 1946-3-15 Dunn 2047 Riverside On dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert Scrub o f larrea and franseria, with palms at the springs in the canyon Comment
  SBBG92279  Lupinus bicolor J. Hirshberg 1989-4-3 Riverside S of town of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  SBBG94829  Lupinus bicolor E. LaRue 1990-4-20 Riverside midway between Pauba Valley and Wolf Valley; 0.5 mi N of the Pechanga Indian Reservation 365 Comment
  UCR16223  Lupinus bicolor Leland R. Dykes 1962-5-1 60 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 11 mi. west of Palomar Road [=Washington Ave.] in Murrieta [vicinity of Tenaja Guard Station] 610 Comment
  UCR96867  Lupinus bicolor Scott D. White 1993-3-12 1148 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  OBI83273  Lupinus bicolor Rhonda Riggins 1985-3-27 1517 Riverside Santa Roas Plateau. Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA501043  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3164 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA619550  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-5-5 1998 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
  SEINET10484883  Lupinus bicolor subsp. microphyllus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55496 Riverside San bernardino mountains; sandy wash along whitewater river where road crosses River below fish hatchery, ca 4 miles n of whitewater post office. Hairy, low Annual 640 Comment
  JEPS65056  Lupinus concinnus Marjorie Clary 1930-4-10 8 Riverside Devils Canyon 91 Comment
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Jan 8 2017
  RSA413470  Lupinus concinnus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR108489  Lupinus concinnus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16226 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA249470  Lupinus concinnus subsp. optatus John F. Emmel 1973-4-7 430 Riverside Carrizo Creek wash just below Dos Palmas Spring, NE of Pinyon Crest, E. end San Jacinto Mts. 1037 Comment
  POM157901  Lupinus densiflorus var. lacteus Philip A. Munz 1927-5-20 10792 Riverside Murrieta Hot Springs. Comment
  POM2486  Lupinus densiflorus var. lacteus Philip A. Munz 1918-4-27 2126 Riverside Elsinore Comment
  LA205059  Lupinus excubitus var. austromontanus Norman C. Cooper; 1944-6-17 2006 Riverside San Jacinto Mountains, above Banning 1219 Comment
  RSA87193  Lupinus excubitus var. austromontanus F. W. Peirson 1938-5-30 12411 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  POM2498  Lupinus excubitus var. hallii L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  JEPS64932  Lupinus formosus Carl V. Meyer 1929-6-18 773 Riverside Upper Hemet Valley; San Jacinto Mts., Upper Hemet Valley Comment
  RSA104452  Lupinus formosus Alice Eastwood, John T. Howell 1941-5-16 9634 Riverside Walker Pass, Kern County Comment
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Oct 19 2012
  SEINET10543984  Lupinus formosus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-15 Dunn 20760 Riverside Coll along the sandy roadside. Sparse yellow pines. 4 Mi nw of jct of hwy 74 and 71 on 74. 1402 Comment
  RSA413697  Lupinus hirsutissimus E. Crow 1929-2-24 178 Riverside Near Cabazon, NW Colorado Desert Comment
  UC1537128  Lupinus hirsutissimus Gordon H. True Jr. 1935-3-11 74 Riverside Box Springs 365 Comment
  UCD107944  Lupinus hirsutissimus R. N. Raynor 1933-3-31 s.n. Riverside San Jacinto Valley. Comment
  UCD170864  Lupinus hirsutissimus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25849 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SD63731  Lupinus hyacinthinus Peta Mudie 1965-7-5 498 Riverside SW slope on north side of Santa Rosa Mountain above National Forest Campground 2000 Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  SD229157  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-8-28 823 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR16237  Lupinus microcarpus Robert Eaton 1968-5-13 680513- 20 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado, Santa Rosa Road, 6 mi. from Washington Street in Murrieta 610 Comment
  UC129482  Lupinus shockleyi H. M. Hall Apr. 1905 5762 Riverside Palm Springs; Colorado Desert, Palm Springs 152 Comment
  JEPS48832  Lupinus sparsiflorus Marjorie D. Clary 1932-5-25 948 Riverside on road to Pinyon Well n Indio (Berdoo Canyon, s slope of Conchilla Range); s slope of Conchilla Range, Berdoo Canyon Comment
  RSA608359  Lupinus sparsiflorus J. Agardh 1930-4-13 s.n. Riverside San Jacinto Mountains. Comment
  POM266067  Lupinus sparsiflorus subsp. sparsiflorus C. Leo Hitchcock 1940-3-29 5852 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  POM301806  Lupinus sparsiflorus subsp. sparsiflorus James E. Cole 1942-4-12 949 Riverside Joshua Tree National Monument. 1220 Comment
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May 27 2013
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  SEINET10870706  Lupinus truncatus Earl W. Lathrop 1969-5-8 Lathrop 7013 Riverside Main divide truck; trail between el carrison and san mateo canyon. Cleveland National forest. Chaparral with southern oak woodland. Santa ana mountains. 1219 Comment
  RSA422106  Lycium andersonii Robert Gustafson 1978-3-21 840 Riverside Joshua Tree Natl. Monument, Cottonwood Springs 671 Comment
  UCR216228  Lycium andersonii Jim Andre, T. La Doux 2009-2-28 10841 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 2.5 mi. north of JTNP boundary, c. 5 miles north of Dillon Road 744 Comment
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Dec 11 2011
  UCR248092  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Sonoran (Colorado) Desert, Mecca Hills, at Hidden Spring just off Hidden Spring Canyon, c. 2.6 air miles south of Shaver Well, or c. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal 216 Comment
  RSA0048232  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 182 Comment
  RSA709802  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SBBG122032  Lythrum californicum S. D. White, A. Carey 2004-5-7 103421 Riverside Indian Crk and adjacent foothills 549 Comment
  CLARK-A1528-2000  Machaeranthera cognata John C. Roos 1949-4-6 4138 Riverside Orocopia Mountains Comment
  RSA627385  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave, 1/2 mile S of Rawson Road 439 Comment
Read comments
Mar 20 2011
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 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. 701 Comment
  POM48638  Maianthemum stellatum Mary F. Spencer 1919-7-6 1322 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  RSA263741  Malacothamnus fasciculatus E. W. Lathrop 1968-5-17 6893 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  UCR133704  Malacothamnus fasciculatus var. fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet 549 Comment
  CAS-BOT-BC347697  Malacothrix glabrata A. C. Sanders; Mitch Provance; T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert: Coachella Valley, Desert Hot Springs, N of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA554298  Malacothrix glabrata Dave Kelly 1992-3-11 92 -14 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  SBBG66064  Malacothrix glabrata M. N. Ackley -Feb-1926 151 Riverside near Edom 64 Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  UCR16701  Malacothrix glabrata Anonymous 1969-5-25 24 Riverside Mojave Desert, road from Cottonwood Springs to Twentynine Palms in Joshua Tree National Monument [now National Park], c. 17 mi from [N of] Cottonwood Springs 1220 Comment
  CAS-BOT-BC170383  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside 8 miles W of Murrieta 609 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  CLARK-A1528-616  Malva parviflora C. M. Flanagan 1971-5-16 Riverside Riverside Comment
  UCR180046  Malva parviflora Mitch Provance 2005-5-18 9809 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA19893  Malvella leprosa Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37573 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  HSC7011  Marah macrocarpa C. L. Hitchcock 1966-3-15 24145 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA652414  Marah macrocarpa Carol Zuck 1981-2-16 36 Riverside On Santa Rosa Rd. 3.1 miles east of Lake Mathews Rd. Comment
  RSA708060  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR163589  Marah macrocarpa O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR174455  Marah macrocarpa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32629 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
  HSC87166  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR35050  Marina parryi La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3502 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UCR170285  Marina parryi Chris E. True 2006-2-27 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, Hexie Mountains c. 2.5 miles NW of 'Cholla Gardens' exhibit, mouth of Wilson Canyon at west end of Pinto Basin 822 Comment
  UCR174521  Marrubium vulgare A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32493 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
  SDSU21797  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3983 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  CLARK-A1528-2011  Matricaria matricarioides John C. Roos 1966-3-24 Riverside Winchester Comment
  RSA614124  Matricaria matricarioides D. L. Banks 1997-2-23 1291 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UC1537025  Medicago polymorpha Gordon H. True Jr. 1935-3-18 120 Riverside valley e Citrus Expt. Station; Box Springs Comment
  RSA575962  Medicago polymorpha Steve D. Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  CSUSB1094  Medicago sativa Shirley Hill 1963-3-31 630331 2 Riverside Corner of 8th and Lincoln in Banning. 100 feet from road. Comment
  SEINET8721615 Image available Medicago sativa Jean Coulson 1959-1 s.n. Riverside 0.9 mi. W. of Junction of 60 and 79 at side of road, 60, S, side, right next to road. Comment
  RSA32494  Melica imperfecta Frank W. Gould 1943-4-17 2132 Riverside 4 miles east of Elsinore Comment
  SBBG35009  Melica imperfecta T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, E of Hemet Comment
  UC1931139  Melica imperfecta Scott D. White, Justin Wood 2008-6-19 12274 Riverside San Jacinto Mountains: Meadows at Baldy Mountain. (Idyllwild) Comment
  POM299267  Menodora scoparia A. M. Alexander, Louise Kellogg 1941-5-21 2208 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  UC63740  Mentha canadensis H. M. Hall 1897-7-26 733 Riverside vicinity of Strawberry Valley Dutch Flat (Dutch Flat); San Jacinto Mountains, vicinity of Strawberry Valley 1676 Comment
  RSA524586  Mentzelia affinis Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4134 Riverside Vail Lake area, SW base of Big Oak Mtn, mouth of Temecula Creek Canyon. 396 Comment
  RSA719042  Mentzelia affinis Michael Honer 2005-3-11 2058 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UC1922495  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  RSA92744  Mentzelia micrantha J. C. Roos 1952-5-19 5695 Riverside On hills N of Moreno. 518 Comment
  CAS-BOT-BC332725  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 365 Comment
  SEINET4560761  Mercurialis annua O. F. Clarke 2011-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  CAS-BOT-BC435294  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
  SD178085  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  UCR114305  Mesembryanthemum nodiflorum Julie A. Greene 1993-4-30 1261 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR112851  Microseris douglasii subsp. douglasii A. C. Sanders 1997-5-1 20628 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR94262  Microseris douglasii subsp. douglasii Scott D. White 1996-4-14 3895 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR217515  Microseris douglasii subsp. platycarpha Lee A. Ripma 2008-3-21 36 Riverside Perris-Aguanga Basin, Gavilan Hills, East of Hwy 15, about 500m south of Lake Matthews and 400m south of Cajalco Rd 429 Comment
  UCR266781  Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-3-25 315- 27 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR180393  Microseris heterocarpa Mitch Provance 2003-4-26 9898 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  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
  RSA543959  Microsteris gracilis subsp. gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6190 boyd Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  SDSU10755  Mimulus aurantiacus W. E. Rehlaender 1983-4-22 31 Riverside NE rim of Sycamore Canyon, about 1 mile SW of Hwy 60 and 2.5 miles SSE of UCR Campus. Comment
  UC1929959  Mimulus aurantiacus Scott D. White 2004-4-26 10264 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  POM8582  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 8582 Riverside Butte west of Lakeview. 610 Comment
  POM305379  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 639 Riverside Elsinore Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  UC943864  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 B Riverside Temecula Grade Comment
  UCR133024  Mimulus bigelovii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  JEPS8173  Mimulus bigelovii var. bigelovii Marjorie D. Clary 1932-3-27 1639 Riverside about 10 mi ne Indio; Colorado Desert, Indio Hills 182 Comment
  UCSB6096  Mimulus bigelovii var. bigelovii Haller, John 1960-4-2 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA420951  Mimulus bigelovii var. bigelovii M. B. Dunkle 1949-9-23 s.n. Riverside Colorado Desert. Comment
  UCR179207  Mimulus brevipes Mitch Provance, Tracy Tennant 1998-6-16 MOR- 383 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  HSC86856  Mimulus fremontii L. F. LaPre 1988-6-3 Riverside Indian Truck trail, sandy bench S of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  SEINET1869716  Mimulus guttatus T. B. Salvato, A. C. Sanders 2007-1 895 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR167822  Mimulus guttatus T. B. Salvato, Melissa Clemons 2005-6-2 1347 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
  UCR195123  Mimulus guttatus A. C. Sanders, Tim Thomas 2008-8-1 35958 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UC27000  Mimulus microphyllus H. M. Hall 1901-6-20 2201 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  POM157886  Mimulus pilosus P. A. Munz 1927-5-20 10798 Riverside Murrieta Hot Springs. Comment
  RSA559317  Mimulus pilosus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7371 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UC76077  Mimulus pilosus Geo. B. Grant Aug. 1901 789 Riverside Strawberry Valley San Jacinto Mts. Comment
  LA209440  Mimulus tilingii Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  CLARK-A1528-3921  Mirabilis bigelovii Lloyd Clark 1965-4-17 Riverside Whitewater Canyon 609 Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  UCR127347  Mirabilis laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  CAS-BOT-BC434680  Mirabilis laevis var. crassifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA464251  Mirabilis laevis var. crassifolia Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs. Colorado desert. 400 Comment
  POM91014  Mirabilis laevis var. crassifolia E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  CAS-BOT-BC434826  Mirabilis laevis var. retrorsa Ivan Johnston 1917-4-4 1038 Riverside Colorado Desert. Palm Canyon 304 Comment
  POM99006  Mirabilis laevis var. retrorsa E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. Comment
  RSA676276  Mirabilis laevis var. villosa Scott D. White 2001-4-3 8227 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA778227  Mirabilis laevis var. villosa Duncan S. Bell 2009-3-8 32 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR166532  Mirabilis laevis var. villosa Scott D. White, Brian Leatherman 2005-5-4 11011 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  SFV20157  Mirabilis multiflora var. pubescens J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .4 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR130711  Mirabilis multiflora var. pubescens George K. Helmkamp, E. A. Helmkamp 1998-6-27 4077 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA726522  Mohavea confertiflora Naomi S. Fraga, Lisa Rojas 2005-2-10 1399 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA776136  Mohavea confertiflora Duncan S. Bell, Amanda Turek 2010-4-10 806 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCSB17557  Mohavea confertiflora Winn, Will 1963-4-8 Riverside 29.2 mi. W of Desert Center on U.S. Highway 60-70 304 Comment
  UCSB7538  Mohavea confertiflora Beeks, Richard 1952-4-4 Riverside 7 mi north of Mecca; in Box Cyn Comment
  UCSB9624  Mohavea confertiflora Long, Frances 1940-1-1 Riverside Canyon near Salton Sea Comment
  LA54310  Monardella australis subsp. australis Ed Peterson; J. A. Ewan 1930-9-1 2163 Riverside Mt San Jacinto 3293 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  UC2035997  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA750308  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 124 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance beyond Willow Creek. Comment
  RSA750408  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 65 Riverside Pines to Palms Highway, at turn off to Santa Rosa Mt. Comment
  UCR135712  Monardella nana subsp. arida Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9011 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750291  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Black Mt. 3/4 mile beyond the snow gate. Comment
  SD135258  Monardella nana subsp. tenuiflora Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern slope of Santa Rosa Peak Comment
  UC1499961  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 103 Riverside 1/2 mi beyond Black Mt. Spring; Black Mt. Comment
  UCR221465  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside Peninsular Range; San Jacinto Mtns., near sawmill at Domengonio [Domenigoni] Flats [Strawberry Valley near Camp Emerson & USC Idyllwild campus], on old Idyllwild road [Tollgate Rd.] 1555 Comment
  RSA751505  Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park: Among boulders on NE end of Splitrock Picnic Area. 1327 Comment
  POM13770  Monolepis nuttalliana P. A. Munz 1922-4-30 5124 Riverside Lakeview. Comment
  JEPS26555  Monoptilon bellioides Peter Kamb 1948-4-11 885 Riverside 5 mi e Garnet (Aqueduct Road); Coachella Valley 304 Comment
  JEPS30535  Monoptilon bellioides Peter H. Raven 1958-1-24 11447 Riverside Fargo Canyon Comment
  JOTR16606  Monoptilon bellioides Walters, Jim 1967-3-7 s.n. Riverside Joshua Tree National Park. MIDDLE WILSON CANYON Comment
  RSA450538  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
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Feb 23 2010
  UC494674  Monoptilon bellioides Philip A. Munz 1932-5-14 11997 Riverside above edge of wash Coachella Valley, Deep Canyon 91 Comment
  UCR148442  Monoptilon bellioides 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
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA0123696  Muhlenbergia appressa Duncan S. Bell, LeRoy Gross 2016-3-30 9164 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA0121453  Muhlenbergia asperifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9133 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR2777  Muhlenbergia asperifolia F. M. Reed 1933-9-20 8089 Riverside San Jacinto Mtns., Lake Hemet in Garner Valley Comment
  LA105321  Muhlenbergia microsperma John C. Roos; 1946-10-26 3144 Riverside Chuckwalla Mountains, near tanks Comment
  RSA389637  Muhlenbergia microsperma F. M. Reed 1907-2-12 1202 Riverside Arroyo Tequisquite Comment
Read comments
Jan 18 2014
  JOTR16783  Muhlenbergia porteri Leary, Pat 1975-6-7 1268 Riverside Joshua Tree National Park. QUEEN VALLEY, ONE MILE NORTHWEST OF OPTIMO 1341 Comment
  CAS-BOT-BC275040  Muhlenbergia richardsonis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountain 2438 Comment
  RSA527845  Muilla maritima Scott D. White 1991-5-13 91 -118 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR216948  Myosurus minimus Kim Sparks, Ana Hernandez 2010-3-17 05 Riverside Perris-Aguanga Basin, San Jacinto Valley, Salt Creek, ~155m east of Warren Rd 458 Comment
  SD122170  Myriopteris newberryi James C. Dice, Tu Chung 1987-10-19 738 B Riverside Head of shallow side canyon, N Side of Temecula Gorge, Santa Margarita River, ca.4 km ENE of Field Station site and ENE of weather station 330 Comment
  POM230764  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  UCD119544  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Colorado Desert. Chuckwalla Valley. 19 mi. west of Blythe on the Mecca Road. Comment
  UCR245247  Nama hispida var. spathulata Jim Andre 2012-3-19 21340 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  RSA0120304  Nasturtium officinale Duncan S. Bell 2016-4-16 9306 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR133677  Navarretia atractyloides John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR175063  Navarretia atractyloides Teresa Nieto 2005-5-26 29 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR48406  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR68041  Navarretia fossalis D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2126 Riverside San Jacinto Valley, 8.2 km SW of Hemet, 30 m east of California Ave., NE of intersection of California Ave. and Marvin Hull Rd., c. 75 m north of ATSF RR tracks & 10-300 west of MWD canal 498 Comment
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Nov 30 2009
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  RSA703803  Nemacladus glanduliferus var. orientalis LeRoy Gross 2005-3-3 1599 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SEINET10458387  Nemacladus longiflorus Hall 1898-6-28 Hall 960 Riverside Strawberry Valley 1829 Comment
  UCR48526  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 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
  POM433290  Nemacladus sigmoideus M. B. Dunkle 1933-5-6 3443 Riverside Painted Canyon. Comment
  RSA777733  Nemacladus sigmoideus J. Andre, G. L. Clifton 2011-2-22 17450 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA0128924  Nemophila menziesii Justin M. Wood 2010-3-19 1432 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 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
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR33574  Nicotiana attenuata Sears 1978-3-16 804 Riverside Sonoran (Colorado) Desert, 10 mi north of Blythe along road to Midland. Foothills of Big Maria Mtns. 274 Comment
  UCR87848  Nicotiana attenuata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  CSUSB769  Nicotiana bigelovii Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  JOTR30058  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA426714  Nicotiana obtusifolia Christopher Davidson 1973-4-19 1982 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA450077  Nicotiana obtusifolia J. C. Roos 1966-2-5 s.n. Riverside Pushawalla Wash near 1000 Palms, Indio Hills. Comment
  UCD126754  Nicotiana obtusifolia H. S. Yates 1936-4-7 5448 Riverside 8 miles north of Mecca. 457 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  UCD126680  Nicotiana obtusifolia Dan Axelrod 1932-3-20 s.n. Riverside exact location unknown. Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA58891  Nolina parryi Sara M. Schenck 1950-6-8 15482 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  UCR164894  Oenothera californica S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon, Bautista Road, near Tripp Flats Road 1159 Comment
  UC1241187  Oenothera californica subsp. californica Peter H. Raven 1959-4-23 14021 Riverside 4.1 mi w Dripping Springs Comment
  RSA776903  Oenothera deltoides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  SBBG61310  Oenothera deltoides M. N. Ackley 1928-4-1 763 Riverside Indio Comment
  POM355582  Oenothera deltoides subsp. deltoides E. C. Jaeger 1922-4-5 721 Riverside Desert Center, Chuckwalla Valley. 366 Comment
  POM355591  Oenothera deltoides subsp. deltoides Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET10492350  Oenothera deltoides var. cineracea Billy Joe Cox 1975-4-23 Cox 4171 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols; 70 Comment
  POM226795  Oenothera elata subsp. hirsutissima P. A. Munz 1934-9-30 13238 Riverside Foot of Mt. Roubidoux, Riverside. Comment
  RSA640711  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  UCR114327  Oenothera rosea Mitch Provance 2000-9-28 2264 Riverside UCR Campus, S side of Linden St., across from the Parking Services building. 335 Comment
  JOTR35044  Oligomeris linifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3497 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  CHSC955  Olneya tesota V. Holt 1942-3-28 Riverside Colorado river near Blythe. 82 Comment
  POM348468  Olneya tesota Lester H. Cushman 1932-3-21 15130 Riverside 1 miles East of Mecca Colorado Desert Comment
  UCR240203  Olneya tesota C. J. Minar 1994-5-7 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCR87649  Olneya tesota A. C. Sanders 1994-6-1 14622 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  CDA7539  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region; Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. Comment
  CHSC109269  Oncosiphon piluliferum Scott D. White; Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  UCR252209  Oncosiphon piluliferum J. Mendoza 2011-5-13 s.n. Riverside Santa Ana River Regional Park near Louis Rubidoux Nature Center 221 Comment
  UCR282055  Opuntia basilaris Nathan Moorhatch, Michael D. Wilcox 2017-9-5 s.n. Riverside Riverside, Canyon Crest area, Box Springs Canyon just above flood control basin, north of Central Ave and east of Canyon Crest Dr. 346 Comment
  CAS-BOT-BC58052  Opuntia basilaris var. basilaris Catherine A. Toschi 1963-4-12 63 :128 Riverside Field redacted by CAS, contact the data manager for more information 304 Comment
  UCR68159  Opuntia littoralis B. D. Parfitt, R. Anthony, A. C. Sanders 1986-4-19 3498 Riverside Santa Ana Mtns., Santa Rosa Plateau, SSE of Lake Elsinore, Mesa de Colorado, opposite side of road from a large vernal pool protected by the Nature Conservancy. 549 Comment
  POM296281  Opuntia munzii Clarence Bonner 1960-12-25 s.n. Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains. 305 Comment
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Jun 23 2011
  CAS-BOT-BC56225  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9457 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA594513  Opuntia vaseyi D. L. Banks, Rashmi Pant 1996-5-13 1018 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Approximately 2.1 km E of the Dripping Springs Guard Station, S of the junction between the Vail Lake Marina Road and Hwy. 79,, just S of the Cleveland National Forest Boundary. 396 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  JEPS85945  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4520 Riverside ca 1 mi ne Hayfield Lake; s end Eagle Mountains, Chuckwalla Valley 411 Comment
  UC887969  Orobanche cooperi C. L. Hitchcock 1940-3-29 5845 Riverside 12 mi e of Indio Comment
  CAS-BOT-BC502865  Orobanche cooperi subsp. cooperi Aven Nelson; Ruth Nelson 1939-3-28 3301 Riverside East of N end of Salton Sea, near Mecca Comment
  UCR121232  Orobanche fasciculata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2286 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  SEINET7073340  Oxalis albicans subsp. californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR19404  Oxalis corniculata C. S. Papp 1963-6-10 269 Riverside Collector's backyard in Riverside [Papp residence] Comment
  RSA593990  Oxalis pes-caprae D. L. Banks, Elizabeth Hedge Banks 1996-5-2 944 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR202001  Oxytheca trilobata 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
  CAS-BOT-BC327896  Palafoxia arida John Thomas Howell 1928-3-11 3430 Riverside Colorado Desert. 6 miles SE of Garnet Station, Coackella Valley. 152 Comment
  CAS-BOT-BC327900  Palafoxia arida Ira L. Wiggins 1941-3-24 9564 Riverside 0.3 miles S of Myoma, 4.6 miles N of Indio Comment
  CAS-BOT-BC327911  Palafoxia arida H. M. Hall 1902-4-1 2768 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CAS-BOT-BC327922  Palafoxia arida G. B. Grant no date on sheet s.n. Riverside Colorado Desert Comment
  CAS-BOT-BC327929  Palafoxia arida Ira L. Wiggins 1938-3-19 8902 Riverside Colorado Desert.25 mi W of Blythe Comment
  SFV7072  Palafoxia arida T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 772 Riverside Along US Highway 95 in Big Wash at east end of county. 116 Comment
  RSA0130721  Palafoxia arida Glen Rink 2013-3-19 11890 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  POM320356  Palafoxia arida var. arida Virginia Morell 1969-3-29 4 Riverside Sand dunes 4 miles NE of Thousand Palms. 305 Comment
  POM363740  Palafoxia arida var. arida B. C. Templeton 1931-4-9 s.n. Riverside North of Palm Springs Comment
  POM363754  Palafoxia arida var. arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside North of Palm Springs. 400 Comment
  RSA363749  Palafoxia arida var. arida R. Sorg 1981-5-9 72 Riverside Interstate of Pierson Blvd and Little Morango Rd. 305 Comment
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Dec 4 2014
  UCR281926  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-9-20 43344 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, Tabaseca big game guzzler in canyon 2.35 km NW (309 deg. ) of Tabaseca Tank 563 Comment
  CLARK-A1528-1258  Panicum capillare John C. Roos 1951-9-25 5255 Riverside Riverside 259 Comment
  SBBG94681  Panicum capillare S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 airline mi SW of Temecula; T8S, R 3W on line between S 22 and 27 374 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  UCR96704  Parietaria hespera var. californica A. C. Sanders 1997-3-1 19722 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  HSC47471  Parkinsonia florida Richard Spjut 1978-5-10 5040 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  SFV7079  Pectis papposa var. papposa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 779 Riverside Sandy wash along Agnes Wilson Road about 1.5 miles east of U.S. Highway 95. 104 Comment
  UCR274783  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-4 054 B Riverside Mojave Desert, Red Cloud Wash Road exit from Hwy I-10, c. 5.5 mi on Red Cloud Wash Road. Chuckwalla Bench ACEC 593 Comment
  HSC78514  Pectocarya heterocarpa G. K. Helmkamp 1983-3-24 38312 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  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
  RSA691961  Pectocarya linearis Scott D. White, Michael Honer 2003-4-9 8990 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA702734  Pectocarya linearis Scott D. White, Michael Honer 2004-4-6 10053 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  RSA0062650  Pectocarya linearis M. Harthill 1973-2-17 s.n. Riverside W. Palm Springs. 365 Comment
  RSA0028398  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4978 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
  RSA586305  Pectocarya penicillata D. L. Banks, S. D. Boyd 1995-5-3 216 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA678419  Pectocarya penicillata Michael Wall 2003-4-15 267 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR88573  Pectocarya penicillata A. C. Sanders, J. C. Lyman 1995-4-16 16568 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA278964  Pectocarya peninsularis B. A. Prigge, L. Martinez 1978-3-23 2411 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  UCR279359  Pectocarya platycarpa A. C. Sanders, Jim Malusa 2017-3-24 42966 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  UCR213498  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38412 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  UCSB41268  Pectocarya setosa Cowan, Clark 1978-4-23 Riverside 17.3 mi. (27.2 km.) S and W on Hwy. 74 from jct. with 111 at Indian Wells; Santa Rosa Mts.; San Berndo. Nat. Forest; Whittaker transect #W-221 1180 Comment
  UCR213477  Pellaea andromedifolia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37839 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
  RSA686887  Pellaea mucronata var. mucronata Norman C. Cooper 1944-5-21 1305 Riverside San Jacinto Mountains, West side 915 Comment
  UC527740  Pellaea mucronata var. mucronata C. B. Wolf 1931-5-11 Riverside above Hemet Valley (near Pipe Creek); San Jacinto Mts 1676 Comment
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Mar 24 2011
  SBBG89093  Pennisetum setaceum D. Hawks 1986-4-17 Riverside Whitewater River channel, 1 mi S of Interstate 10 and 2 mi W of Indian Ave 850 Comment
  RSA97165  Penstemon X parishii R. M. Straw 1953-6-23 473 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  RSA1329  Penstemon centranthifolius B. D. Stark 1930-5-4 1536 Riverside Dark Canyon. Comment
  SDSU10877  Penstemon centranthifolius Charles F. Phleger 1962-5-13 Riverside Collected on the Huffman acreage, 5 miles N of Idyllwild. Comment
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Oct 6 2011
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  UCR50419  Penstemon centranthifolius L. F. LaPre 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  UCR133126  Penstemon clevelandii A. C. Sanders 1985-5-4 5776 Riverside Santa Rosa Mtns, Hwy 74 at Santa Rosa Mountain Rd. 1402 Comment
  RSA295277  Penstemon clevelandii subsp. connatus R. S. Woglum 1937-5-22 544 Riverside Santa Rosa Mountains, Santa Rosa Mountain road and Hwy Palms to Pines Comment
  CLARK-A1528-4300  Penstemon clevelandii subsp. mohavensis John C. Roos 1942-5-2 1145 a Riverside Joshua Tree National Park Comment
  RSA764127  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest Comment
  RSA788347  Penstemon heterophyllus var. heterophyllus Linda M. Prince, Duncan S. Bell 2009-6-17 574 Riverside Cleveland National Forest. Helipad. Comment
  JEPS13908  Penstemon rostriflorus I. W. Clokey, E. G. Anderson 1935-8-2 6903 Riverside Fuller's Creek San Jacinto Mts., Fuller's Creek 1500 Comment
  OBI35637  Penstemon spectabilis Norman C. Cooper 1944-6-17 1422 Riverside San Jacinto Mtns above Banning 1067 Comment
  UCR87639  Penstemon spectabilis A. C. Sanders 1994-5-29 14582 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  CAS-BOT-BC330349  Pentachaeta aurea H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mountains 1524 Comment
  SBBG63077  Pentachaeta aurea M. N. Ackley -May-1929 1173 Riverside Tahquitz Lodge 1524 Comment
  RSA0070919  Pentagramma maxonii L. S. Rose 1966-12-14 66109 Riverside Chino Canyon, 3 mi. W of Palm Springs. 671 Comment
  UCR148333  Peritoma arborea 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
  SD216467  Peritoma arborea var. angustata Carol R. Annable, Lee Baron 1995-3-11 2268 Riverside Cactus City rest stop on Interstate 10. Comment
  GMDRC5488  Peritoma arborea var. arborea J. Andre 2012-4-16 20895 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  CLARK-A1528-2022  Perityle emoryi John C. Roos 1946-12-7 3183 Riverside Pushawalla Palms Comment
  CLARK-A1656-832  Perityle emoryi Jon Mark Stewart 1982-11-13 82-017 Riverside Indio Hills 198 Comment
  RSA471855  Perityle emoryi Christopher Davidson 1973-4-1 1841 Riverside Along Hwy 74 on desert hillside facing Palm Desert. 488 Comment
  UCR260245  Perityle emoryi A. C. Sanders, Jim Malusa 2015-3-10 41387 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR274808  Perityle emoryi David Fraker, Aaron C. Sedgwick 2012-3-22 024 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  CDA36682  Petalonyx linearis T. C. Fuller 1961-1-1 5492 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  RSA0012644  Petalonyx thurberi April Garbat, Kristin Forgrave 2013-6-11 81 Riverside Box Canyon Rd near I-10, Cottonwood Springs Rd exit. 67 Comment
  RSA164766  Petalonyx thurberi Brian C. Miller 1963-6-1 s.n. Riverside 5.5 miles S of Curtis Palms near rod 24 Comment
  SEINET2073357  Petalonyx thurberi S. Rhodes 2000-9-14 147 Riverside Desert Center, Dillon Road exit off I-10, sandy, disturbed area in Larrea tridentata desert. 274 Comment
  LA49840  Petalonyx thurberi subsp. thurberi Henry J. Thompson; 1960-4-30 3260 Riverside along US Highway 60 and 70, opposite Hayfield Dry Lake, 14 mi. W of Desert Center 457 Comment
  SEINET7048063  Peucephyllum schottii Steven R. Hill 2001-4-29 33540 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR22488  Peucephyllum schottii C. S. Jones 1979-2-24 07 Riverside Sonoran (Colorado) Desert, 1 mile southeast of Eagle Mountain, on old Eagle Mtn. Road 351 Comment
  UCR23993  Peucephyllum schottii John C. Roos 1966-2-5 s.n. Riverside Western Colorado Desert, Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA0106803  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA427708B  Phacelia campanularia Ora M. Clark 1929-2-23 1588 Riverside North Whitewater. Comment
  SD119898  Phacelia campanularia Louis B. Ziegler 1973-5-2 508 Riverside Desert slopes of San Jacinto Mountains near Hwy #74, Ao to 1 mile below Pinyon Flats 1189 Comment
  UC217927  Phacelia campanularia subsp. campanularia P. A. Munz, D. Keck 1922-4-14 5003 Riverside mesa e Whitewater Ranch; Colo. Desert 213 Comment
  UCR207633  Phacelia cicutaria var. hispida O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  JOTR16718  Phacelia crenulata var. crenulata Baker, James K. & Baker, Ilisa T. 1966-6-1 s.n. Riverside Joshua Tree National Park. PINTO WYE MAINTENANCE AREA AT GATE Comment
  RSA426212  Phacelia distans Robert L. Rutherford 1945-5-24 1659 Riverside Big Oaks Canyon, Banning 1220 Comment
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Oct 30 2011
  RSA618419  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  UCR137030  Phacelia distans A. C. Sanders 2004-5-5 27767 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  JEPS1177  Phacelia minor W. L. Jepson 1935-4-21 17158 Riverside sw Riverside Co. Aguanga 603 Comment
  JEPS1184  Phacelia minor Dr. L. M. Newlon 1922-4-4 444 Riverside Andreas Canyon San Jacinto Mts. Comment
  UCR258750  Phacelia minor T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7915 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCSB9694  Phacelia minor Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon 2 miles from U.S. 60 Comment
  RSA554652  Phacelia neglecta A. C. Sanders, E. J. Lawlor 1992-4-4 12090 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCSB10392  Phacelia parryi Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  UCR22110  Phacelia ramosissima Steve Boyd 1980-5-15 280 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR1457  Phacelia ramosissima var. suffrutescens R. D. Keys 1973-5-13 s.n. Riverside Box Springs Mtns, 0.5 - 1 mi from end of Box Springs Ridge Road. 915 Comment
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  POM3757  Phacelia tanacetifolia P. A. Munz 1918-4-27 2155 Riverside Near Corona. Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  JOTR35431C  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SEINET7048050  Pholistoma membranaceum Steven R. Hill 2001-4-29 33525 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UCR102751  Pholistoma membranaceum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3565 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC135101  Phoradendron californicum Catherine A. Toschi 1963-4-11 63 :123 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  CAS-BOT-BC135110  Phoradendron californicum E. A. McGregor 1917-3-17 718 Riverside Sloping alluvial mesa W of Fig Trees, Salton Sink Comment
  SBBG43589  Phoradendron californicum K. K. Muller 1957-4-13 801 Riverside 12 mi W of Desert Center Comment
  UCR272295  Phoradendron californicum Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.0 air miles northeast of the summit of Martinez Mountain 266 Comment
  UCSB18192  Phoradendron californicum Copeland, Jerry 1964-5-10 Riverside About 100 feet east of Highway 74, 3 miles south of Palm Desert Comment
  RSA0127850  Phoradendron californicum G. Rink 2014-3-26 12447 Riverside Johnson Valley, about 1 mile south of Galway Dry Lake. 900 Comment
  SFV17133  Phoradendron libocedri P. G. Kilburn 1958-5-30 829 Riverside San Jacinto Mountains 5 miles north of Idyllwild, just west of Fern Basin Campground. Beside road. 2134 Comment
  CLARK-A1528-4421  Phoradendron longispicum John C. Roos 1952-3-26 5420 Riverside Riverside 259 Comment
  RSA604716  Phoradendron macrophyllum Louis C. Wheeler 1961-10-8 7931 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  SEINET270228  Physalis angulata G. Helmkamp 1996-1-18 8 -1 Riverside About 2 miles northeast of Blythe 91 Comment
  UCR31807  Physalis crassifolia Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  CLARK-A1528-2029  Picris echioides John C. Roos 1937-5-23 2060 Riverside La Sierra Comment
  UCR162943  Pilularia americana Fred M. Roberts 1995-5-24 4944 Riverside Hemet, Upper Salt Creek drainage, N of Florida Avenue (State Route 74) and west of Warren Road, c. 1.6 km NW Ryan Field 548 Comment
  JEPS47911  Pinus flexilis W. L. Jepson 2308 Riverside Tauquitz Peak San Jacinto Mt. 2682 Comment
  CLARK-A1528-3557  Pinus monophylla John C. Roos 1947-4-5 3435 Riverside San Jacinto Mountains 1310 Comment
  RSA384373  Pinus monophylla Gale Sphon 1955-5-22 s.n. Riverside Pinon Flats, San Jacinto Mountains. Comment
  CDA2307  Piptatherum miliaceum C. Canyon 1963-6-24 Riverside Temescal Canyon, Santa Ana Mountains. 0 Comment
  RSA615136  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: UCR Campus., 33Y 58 N, 117Y 19 W 335 Comment
  RSA714658  Plagiobothrys canescens A. C. Sanders, Guy Bruyea 2004-4-2 27414 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtn., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  SEINET1909857  Plagiobothrys canescens A. C. Sanders, J. C. Lyman 1995-1 16560 Riverside Glen Avon; Sand dune area on N. Slope of Jurupa Jills (draining toward Fontana), Pyrite St. Canyon (Fontana 7.5 Q.) Comment
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR225727  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38900 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  OBI53612  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR108842  Plagiobothrys collinus Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  RSA12923  Plagiobothrys collinus var. californicus C. B. Wolf 1935-4-7 6313 Riverside 2 mi. SW of Perris. 427 Comment
  UC551786  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR157674  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 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
  UCR76164  Plantago elongata A. C. Sanders 1993-4-1 13663 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR180695  Plantago erecta Mitch Provance 2003-4-26 9882 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCSB6244  Plantago lanceolata Kamb, Peter 1947-5-17 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  JEPS7184  Plantago ovata Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1952-4-2 3604 Riverside off Palms Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  RSA793419  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3957 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  UC1595751  Plantago ovata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4638 Riverside 1.9 mi s I-10 (on rd to Corn Spring) Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR233179A  Plantago ovata Jim Andre, Glenn L. Clifton 2011-2-22 17427 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  POM7037  Plantago ovata var. fastigiata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2367 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Sep 12 2011
  RSA550350  Plantago ovata var. fastigiata Walter Wisura, J. Dolan, M. Wall 1992-3-24 4638 Riverside 1.9 miles S of I-10 on road to Corn Spring Comment
  IRVC2718  Platanthera leucostachys R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  RSA0124389  Platanus racemosa Duncan S. Bell 2016-4-16 9337 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  POM8686  Platystemon californicus P. A. Munz, R. D. Harwood 1920-2-28 3269 Riverside 2 mi. southeast of Corona 274 Comment
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May 27 2008
  RSA660489  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UC1979539  Platystemon californicus Darin L. Banks, Peter Morrell 1995-5-4 311 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. Comment
  RSA751421  Plectritis ciliosa A. C. Sanders, Tim Thomas 2008-6-20 35540 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA273302  Pleuraphis rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument, Riverside County. Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  JEPS30455  Pleurocoronis pluriseta Peter H. Raven 1958-1-24 11465 Riverside just ne Indio; Fargo Canyon Comment
  CLARK-A1528-280  Pluchea purpurascens Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  VVC569  Poa annua A. C. Sanders, J. Mac 1997-5-4 20702 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA740948  Poa bulbosa Scott D. White, Justin M. Wood 2008-6-17 12186 -B Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA171371  Poa fendleriana J. D. Olmsted 1962-5-3 3539 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  UCR201662  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  POM1241  Poa secunda I. M. Johnston 1917-4-4 1009 Riverside Palm Canyon, near Palm Springs. 457 Comment
  UCR2696  Poa secunda F. M. Reed 1907-4-7 1289 Riverside Streambed at foot of Box Springs Mountain Comment
  RSA554280  Polygonum argyrocoleon Scott D. White 1992-2-25 92 -11 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  CLARK-A1528-760  Polygonum lapathifolium Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA588605  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 0816 A Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  RSA714424  Polypogon monspeliensis A. C. Sanders 2004-5-12 27868 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR139136  Polypogon monspeliensis Julie A. Greene 1993-4-17 1208 Riverside San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd 439 Comment
  UCR155828  Polypogon monspeliensis 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
  UCR2723  Polypogon monspeliensis F. M. Reed 1906-5-19 960 Riverside Riverside, Rubidoux Ave. near Brockton Ave. 250 Comment
  POM257339  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  UCR84215  Populus fremontii A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15905 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  CAS-BOT-BC356161  Porophyllum gracile James R. Shevock 1978-4-26 5883 Riverside Along Skyline Road. Santa Ana Mountains, Cleveland National Forest 365 Comment
  JEPS34993  Porophyllum gracile W. L. Jepson May 17 1901-Jun 1 1901 1398 Riverside Palm Canyon and return to Van Deventer's Ranch Comment
  SD247494  Potentilla glandulosa Tracy Tennant, Mitch Provance 1998-6-16 MOR 433 Riverside San Bernardino Mountain Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 7.5'Q. 1098 Comment
  UC1746640  Potentilla norvegica T. Schram and D. Wappler 1994-7-14 Riverside Lake Hemet San Jacinto Mountains Comment
  POM348733  Prosopis glandulosa var. torreyana Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
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Jul 5 2010
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  UCSB7194  Prosopis glandulosa var. torreyana Krogen, Roger 1957-1 Riverside Canyon bottom 5 mi. E of Mecca on Hwy. 195 in Box Canyon Wash Comment
  HSC25799  Prunus fremontii Richard Spjut 1972-3-13 2258 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  SEINET3077265 Image available Prunus fremontii Dave Hawks 1987-3-3 Riverside Terwilliger Valley, 5 mi SE of Anza. 1280 Comment
  RSA787088  Prunus ilicifolia Doris Bowers 1972-4-15 1817 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  POM13888  Psathyrotes ramosissima P. A. Munz, D. D. Keck 1922-4-9 4818 Riverside Shavers Well, near Mecca. 76 Comment
  UCR144128  Psathyrotes ramosissima Scott D. White, Michael Honer 2003-5-15 9307 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  SDSU21848  Pseudognaphalium biolettii Lindsay Rubin, Stephanie Castillo 2016-4-16 5 Riverside On the north side of the Santa Margarita River at the end of a downhill dirt road under tree coverage. Santa Margarita Ecological Reserve. 238 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC1605405  Pseudognaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside San Mateo Canyon at confluence with Bluewater Canyon (canyon bottom); Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  RSA612956  Psilocarphus tenellus D. L. Banks 1997-3-29 1625 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC69025  Psilostrophe cooperi H. M. Hall Apr 1905 5890 Riverside Chuckawalla Bench Colorado Desert Comment
  CAS-BOT-BC346355  Psorothamnus W. R. Dudley 1903-12-28 s.n. Riverside Palm Springs Station Comment
  LA31367  Psorothamnus arborescens var. simplicifolius Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C 180 Riverside Morongo Wash Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  CAS-BOT-BC353613  Psorothamnus emoryi D. B. Dunn; H. Brown; E. McClintock 1947-3-15 2879 Riverside Pushawalla Canyon, Indio Hills Comment
  CAS-BOT-BC353618  Psorothamnus emoryi Geo. B. Grant 1906-4-20 6725 Riverside Palm Springs Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  CAS-BOT-BC340873  Psorothamnus schottii S. B. Parish 1896-4-1 4113 Riverside Palm Springs, Colorado Desert Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  POM310142  Psorothamnus schottii Hulda Crooks 1946-3-2 259 Riverside E of Palm Springs 137 Comment
  RSA0042833  Psorothamnus schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6245 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  UC1539725  Psorothamnus schottii Chas. B. Fiker 1946-4-16 3390 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UC68508  Psorothamnus schottii H. M. Hall Apr., 1905 5990 Riverside near Indio (Colorado Desert); , near Indio 30 Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA0022493  Psorothamnus schottii Bonnie C. Templeton 1930-4-9 1000 Riverside North of Palm Springs 305 Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 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
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 Comment
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  UCSB7049  Quercus X morehus Riverside Banning Road, Mt. San Jacinto 1432 Comment
  UCSB38763  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  CLARK-A1528-4984  Quercus agrifolia J. B. Feudge 1930-4-4 2134 Riverside 701 Comment
  RSA523508  Quercus agrifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3967 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCR158896  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31559 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR158902  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31555 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  RSA713581  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  SBBG118927  Quercus agrifolia var. oxyadenia R. E. Riefner, A. Sanders 2005-8-12 05 -600 Riverside vicinity of McMullen Flat on SR 243 at Valley Hi County Park; San Jacinto Mtns 1139 Comment
  SD167109  Quercus agrifolia var. oxyadenia A. C. Sanders 2005-8-12 31554 Riverside San Jacinto Mountains; Poppet Flat below Highway 74 along Poppet Flat Road. 1098 Comment
  UCSB1049  Quercus agrifolia var. oxyadenia Neely, William Riverside on Banning Road 1280 Comment
  SD229166  Quercus berberidifolia Dick Schwenkmeyer 2012-3-26 658 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SD248432  Quercus berberidifolia Jeremiah George 2012-8-7 70812 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Highway 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  RSA0099445  Quercus engelmannii Duncan S. Bell 2014-11-14 7705 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCR116866  Quercus ilex A. C. Sanders, T. B. Salvato 2001-5-3 24123 Riverside San Bernardino Valley region, Riverside, Watkins Drive east of Blaine St., at Lemona Siding 335 Comment
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  RSA751633  Quercus john-tuckeri G. Gust, L. Nye 2005-3-11 547 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC455267  Quercus kelloggii I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCSB34700  Quercus kelloggii Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.9 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  CAS-BOT-BC104311  Quercus palmeri Philip A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 mi E of Anza 1310 Comment
  SD255187  Quercus wislizeni var. frutescens R. F. Thorne, E. W. Lathrop 1977-5-18 49726 Riverside Santa Ana Mountains: Bear Spring (east slope of Santiago Peak. Comment
  UCSB46329  Rafinesquia californica Hawbecker, M. 1983-3-6 Riverside 5 miles north and west through Mecca from Highway 195 in Box Canyon Wash 60 Comment
  JOTR34052  Rafinesquia neomexicana La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2952 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  POM250454  Rafinesquia neomexicana I. W. Clokey 1935-4-17 6967 Riverside Cottonwood Springs. Comment
  RSA472422  Rafinesquia neomexicana N. Cooper 1949-4-8 3281 Riverside Shavers Summit east of Indio 610 Comment
  JOTR01285  Rafinesquia neomexicana Cole, James E. 1941-5-31 844 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  UCR109642  Ranunculus aquatilis T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  POM13856  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 miles NW of Corona 213 Comment
  RSA198932  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37423 Riverside Santa Rosa Plateau: near roadside, Rancho California. Santa Ana Mountains 610 Comment
  UC827610  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (in small branch of creek); Chino Creek 228 Comment
  RSA0019605  Ranunculus californicus var. californicus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  RSA399986  Ranunculus eschscholtzii Anstruther Davidson 1896-7-7 1922 Riverside Mt. San Jacinto. Comment
  UCR174535  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mtns. east of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. and Watkins Dr. 335 Comment
  CSUSB565  Raphanus sativus Steve Stadler 1966-3-2 030266 21 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
  SBBG101776  Rhamnus crocea S. Boyd, T. Ross 1991-6-14 6383 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCD111898  Rhamnus crocea Frank W. Gould 1943-4-17 2124 Riverside 12 miles S of Corona. Comment
  UCR94264  Rhamnus crocea Scott D. White 1996-4-14 3918 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
  SD229248  Rhamnus ilicifolia Dick Schwenkmeyer 2012-3-26 672 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UCR154841  Rhamnus ilicifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29282 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA390152  Rhamnus tomentella subsp. cuspidata Elbert Benjamine 1929-5-18 215 Riverside Mt. San Jacinto. Comment
  RSA471017  Rhododendron occidentale B. C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  POM15029  Rhododendron occidentale var. californicum Mary F. Spencer 1922-6-26 698 Riverside pr. [=near] Idyllwild. 1524 Comment
  HSC101786  Rhus aromatica J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13199 Riverside 1470 Comment
  RSA799083  Rhus aromatica Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  CHSC26488  Rhus ovata James Henrickson 1970-4-10 4530 Riverside 8 air miles ESE of Temecula along Hwy. 71-79; 542 Comment
  POM280874  Rhus ovata Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  RSA297382  Rhus ovata Larry E. DeBuhr 1972-2-25 508 Riverside Santa Rosa Mountains along forest road 7S02 to santa Rosa Pk. 1738 Comment
  UC1130518  Rhus ovata A. Lewis 1933-2-2 151 Riverside Lewis Valley 701 Comment
  UC1719478 Image available Ribes canthariforme D. Atwood 1993-3-26 17667 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
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Jan 11 2017
  JEPS49431  Ribes cereum W. L. Jepson 1903-8-8 2320 Riverside Log Cabin, on upper trail San Jacinto Peak 2438 Comment
  CAS-BOT-BC173133  Ribes indecorum Clarence R. Quick 1931-2-16 s.n. Riverside Temecula Comment
  CAS-BOT-BC173138  Ribes indecorum Carl B. Wolf 1932-2-11 2650 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  RSA180295  Ribes indecorum E. W. Lathrop 1965-4-4 5647 Riverside 8 miles west of Murrieta Comment
  RSA594789  Ribes indecorum D. L. Banks, Dylan Hannon 1996-5-3 0985 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UCR138809  Ribes indecorum D. L. Banks, J. Moreno 1997-2-5 1253 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
  SEINET13942523 Image available Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-1 23111 Riverside 10 miles N of Pala, along road to Elsinore Comment
  UC11595  Ribes malvaceum var. viridifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA342004  Robinia pseudoacacia Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54110 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  UCR158952  Rorippa curvisiliqua A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31558 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR172286  Rorippa nasturtium-aquaticum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  RSA699219  Rosa californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  RSA526162  Rubus ursinus Steve D. Boyd, Tim S. Ross 1990-5-11 4665 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
  UCR113563  Rumex crispus Mitch Provance, A. C. Sanders 2000-7-4 2084 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA653322  Rumex pulcher Mitch Provance, A. C. Sanders 2000-7-4 2095 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  RSA477742  Sagina saginoides E. C. Jaeger 1922-7-6 s.n. Riverside Long Valley. Comment
  RSA747834  Salazaria mexicana Scott D. White, Justin M. Wood 2009-4-29 12622 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR264230  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 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
  SEINET5734853 Image available Salazaria mexicana G. L. Webster, R. Hildreth 1966-1 7459 Riverside Joshua Tree National Monument, desert scrub ca. 1.5 miles north of Cottonwood Springs.; Joshua Tree National Park 945 Comment
  CAS-BOT-BC129747  Salix bonplandiana C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi. e. of Glen Ivy Hot Springs Comment
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  UCR155083  Salix exigua A. C. Sanders, Kelly Volansky 2005-3-17 29240 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
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  RSA33367  Salix gooddingii N. C. Cooper 1943-9-26 931 Riverside Cabazon. 549 Comment
  RSA512129  Salix gooddingii Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Aug 27 2010
  SBBG58895  Salix gooddingii F. R. Fosberg 1932-3-13 8081 Riverside Thousand Palms Cyn Comment
  UCR104901  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR127541  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 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
  UCR232072  Salix gooddingii John F. Green 2008-4-22 04- 03 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  CAS-BOT-BC108104  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
  RSA192109  Salix laevigata E. W. Lathrop 1960-6-9 4980 Riverside 14 miles west of Murrieta. Comment
  SEINET1004492  Salix laevigata T. B. Salvato, Kent Beaman 2005-1 840 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
  UCR140561  Salix laevigata Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 63 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR164069  Salix laevigata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  UCR90961  Salix laevigata Scott D. White 1996-2-18 3811 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UCR198266  Salsola australis B. Villegas 2002-8-19 239 -2 Riverside South Coast, Temecula, Hunter property, Via Vaquero at Gillespie Court Comment
  UCR35143B  Salsola australis L. B. Ziegler 1976-6-20 550 B Riverside San Jacinto Valley 473 Comment
  RSA444942  Salsola tragus N. C. Cooper 1943-9-26 934 Riverside Cabazon; Alkali Flat. 610 Comment
  RSA0095104  Saltugilia australis Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6030 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UC748763 Image available Saltugilia australis Herbert L. Mason 1926-5-2 3195 Riverside Temecula Valley; ; Temecula Valey, Riverside Co. Comment
  UC472937  Salvia apiana Mary Fiske Spencer 1914-3-1 Riverside Palm Springs; Colorado Desert Comment
  UCR201000  Salvia carduacea Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 21 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  POM48143  Salvia columbariae E. Schlinger 1920-04 s.n. Riverside Chuckwalla, Colorado Desert. Comment
  RSA401510A  Salvia columbariae Jeannette B. Edge 1934-3-25 s.n. Riverside Jurupa Mountains 549 Comment
  UC1537560  Salvia columbariae Gordon H. True Jr. 1935-2-20 5 Riverside Box Springs; Sycamore Canyon 365 Comment
  UC1979864  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UCR102701  Salvia columbariae B. G. Pitzer 1998-1-24 3384 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR164289  Salvia columbariae S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  UCR165412  Salvia columbariae A. C. Sanders 2005-4-21 29563 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR224449  Salvia columbariae Steve Boyd, Susan Jett 2008-3-20 11828 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR245255  Salvia columbariae Jim Andre 2012-3-19 21295 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UC883902  Salvia eremostachya B. D. Stark 1933-5-13 Riverside 8 mi up Palms to Pines Highway; San Jacinto Mts. 1219 Comment
  UCR17967  Salvia eremostachya A. C. Sanders 1976-4-20 0847 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA0116962  Salvia eremostachya Donald Myrick 1968-3-4 1809 Riverside On Palms to Pines Hwy out of Palm Desert. 762 Comment
  UCLA69967  Salvia mellifera unknown 1905-5-15 828 Riverside Wilder's Canyon 320 Comment
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Feb 3 2013
  UCLA69850  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mts. Comment
  UC1281068  Salvia vaseyi H. E. McMinn 1935-6-27 4069 Riverside Palms to Pines Highway Comment
  RSA718575  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SDSU13913  Sanicula arguta Michael G. Simpson, A. Russell, T. Linz, & C. Guilliams 2000-4-2 2067 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile west of northern gate for Northside field station, along 'insect trail.' Ca. 3 miles northeast of Gavilan Mtn. 396 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  UCR140892  Sarcostemma cynanchoides subsp. hartwegii Virginia Moran 2003-5-28 s.n. Riverside Peninsular Range; Perris-Aguanga Basin region, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA511534  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta; Miller Canyon 457 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  RSA727088  Schismus barbatus Naomi Fraga, Lisa Rojas 2005-2-10 1365 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA778255  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 921 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA596534  Schismus barbatus D. L. Banks 1996-7-16 1125 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road);, along a disturbed hillside and adjacent roadside 426 Comment
  SDSU13637  Schoenoplectus americanus W. Miller, C. Mosse 1972-7-11 Riverside Comment
  POM1387  Schoenoplectus californicus D. L. Crawford 1916-2-3 s.n. Riverside Santa Ana River (Prado Beach) Comment
  RSA554215  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  POM128369  Scrophularia californica subsp. floribunda Thomas Craig 1927-4-23 211 Riverside Glen Ivy. Comment
  RSA543180  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6119 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD232705  Scutellaria mexicana A. C. Sanders, K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  SD29583  Scutellaria siphocampyloides Darley F. Howe 1941-6-9 1111 Riverside San Jacinto Mountains. Comment
  CLARK-A1528-3130  Scutellaria tuberosa John C. Roos 1950-3-18 4715 Riverside Comment
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Feb 27 2016
  SEINET7048061  Selaginella bigelovii Steven R. Hill 2001-4-29 33538 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC1063712  Selaginella bigelovii H. S. Yates 1937-3-23 6416 Riverside near White Water; San Jacinto Quadrangle Comment
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Dec 18 2011
  UCR131828  Selaginella bigelovii Jennie Phui 1998-5-30 030 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  UCR241487  Selaginella bigelovii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 238 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  CAS-BOT-BC62094  Selaginella eremophila Robert T. Clausen; Harold Trapido June 18 4678 Riverside Salton Sea Basin, mouth of Chino Canyon, San Jacinto Mts., near Palm Springs 457 Comment
  RSA0123161  Selaginella eremophila Duncan S. Bell, LeRoy Gross 2016-3-30 9162 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC218674  Selaginella watsonii P. A. Munz 1922-7-7 6045 Riverside summit San Jacinto Peak 3285 Comment
  UC1537031  Senecio californicus Gordon H. True 1935-3-11 77 Riverside Box Springs 365 Comment
  RSA38272  Senecio douglasii var. monoensis P. A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1037 Comment
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Jul 9 2012
  CAS-BOT-BC323992  Senecio flaccidus var. douglasii Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at N base of Santa Rosa Mts. 1036 Comment
  CDA26838  Senecio flaccidus var. douglasii Mike Lahti 2008-10-27 PDR# 1509242 Riverside Temecula, found in field near Los Caballos and Pauba Rd. 0 Comment
  UCR19257  Senecio flaccidus var. monoensis John C. Roos 1947-11-1 3757 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  RSA0118591  Senecio mohavensis Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7650 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  RSA612367  Senecio vulgaris D. L. Banks, Joe Moreno 1997-2-5 1255 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area 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. 402 Comment
  SEINET1100340 Image available Senna armata W. C. Anderson 1965-5-9 Riverside 2 miles S of Cotonwood Guard Station, Joshua Tree National Monument Comment
  UCSB39336  Sesuvium verrucosum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along highway 111, Salton Sea 70 Comment
  HSC86949  Sidalcea malviflora B. Pitzer, E. Misquez 1988-2-28 630 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 Comment
  POM220874  Sidalcea malviflora subsp. sparsifolia P. A. Munz 1941-5-18 16656 Riverside North end of Santa Rosa Ranch, Elsinore Mts. Comment
  RSA679067  Sidalcea malviflora subsp. sparsifolia Scott D. White, Michael Honer 2003-6-3 9466 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CAS-BOT-BC109431  Sidotheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild. Comment
  SEINET4176377  Sidotheca caryophylloides J. L. Reveal, B. J. Ertter 1976-6-30 4572 Riverside San Jacinto Mountains, along California Highway 243 at the turnoff to Black Mountain north of Idyllwild, 1615 Comment
  UCR90346  Silene gallica Scott D. White 1995-6-30 3432 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  CAS-BOT-BC202937  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  CAS-BOT-BC202940  Simmondsia chinensis P. A. Munz 1921-4-30 4490 Riverside Near Pinyon Wells 1219 Comment
  GMDRC3544  Simmondsia chinensis J. Andre, T. La Doux 2009-2-25 10799 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  POM177871  Simmondsia chinensis Marcus E. Jones 1930-3-15 26525 Riverside Eagle Mountains. Comment
  SD245475  Simmondsia chinensis Sarah De Groot, April Garbat 2013-4-9 6998 Riverside Chuckwalla Mountains: Along Graham Pass Road, 5.6 miles south of junction with Chuckwalla Spring road, ~10.5 miles south of powerline, 11.4 miles south of Chuckwalla Valley Road. Up wash along road and up side drainage to west. 436 Comment
  UC1130464  Simmondsia chinensis A. Lewis 1933-2-1 144 Riverside Round Mountain; San Jacinto Quad., Round Mountain Comment
  POM11526  Sisymbrium altissimum P. A. Munz 1922-7-3 5954 Riverside Vandeventer Flat 1372 Comment
  RSA502907  Sisymbrium irio 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
  UCR245227  Sisymbrium irio Jim Andre 2012-3-19 21311 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  RSA664083  Sisymbrium irio Bruce Albert 1982-4-17 79 Riverside Stream bed east of Juniper Flats Road, 1.7 miles north of Hwy 74. Comment
  CSUSB560  Sisymbrium orientale Penny Stead 1970-4-26 S. N. Riverside Found in hills, above Fawcett Lab, U.C.R. 274 Comment
  RSA752788  Sisymbrium orientale Scott D. White, Justin M. Wood 2009-5-21 12851 Riverside San Jacinto Mts: Idyllwild, Mile High Country Inn at 54635 N Circle Dr. 1677 Comment
  UC4235  Sisyrinchium bellum H. M. Hall 1901-7-1 2470 Riverside San Jacinto Mountains, Tauquitz Valley Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley 2743 Comment
  RSA502931  Solanum douglasii Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd and Mockingbird Canyon Road. 366 Comment
  UCR114603  Solanum douglasii Mitch Provance 1998-7-23 916 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR46720  Solanum douglasii B. G. Pitzer 1986-12-2 361 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  UCR262465  Solanum lanceolatum A. C. Sanders, Martha Coleman, Carol Tran 2007-10-10 34411 Riverside Riverside; weed in the UCR Botanical Garden, near the west fence about half way up 366 Comment
  RSA645544  Solanum mauritianum A. C. Sanders 1995-11-30 17928 Riverside Riverside: Rustin Ave. N of Spruce, spontaneous at edge of an abandoned orange orchard and a light industrial area. 305 Comment