Search Results — 2000 specimen records retrieved (1551 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384190  Abies concolor F. R. Fosberg 1931-8-13 S 5675 Los Angeles Islip - Hawkins divide 2300 Comment
  SEINET3869605  Abies concolor Tim Thibault, K. E. Olshewsky 2004-5-23 296 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Williamson.; 0 2073 Comment
  CATA199  Abronia maritima Mark L. Hoefs 1973-4-15 178 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  UC56245  Abronia maritima Ernest Braunton 1902-5-25 259 Los Angeles Redondo Comment
  CAS-BOT-BC229370  Abronia umbellata Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA0025882  Abronia umbellata F. C. Boutin 1967-4-23 1629 Los Angeles San Clemente Island: North end of island, at W end of air field runway. Comment
  RSA33480  Abronia umbellata Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  OBI2625  Acacia melanoxylon F. Mills 1967-4-29 40 Los Angeles Pasadena, along west drive near RoseBowl Comment
  LA99362  Acanthoscyphus parishii var. parishii E. R. Hobbs; 1978-10-15 78- 143 Los Angeles San Gabriel Mountains, trail to summit of Mt. Williamson 2285 Comment
  UC450890  Acer macrophyllum Fay A. MacFadden 1931-4-10 2575 Los Angeles Tejunga Canyon 396 Comment
  UCD117001  Acer macrophyllum Lyman Benson 1945-4-30 11653 Los Angeles Big Dalton Canyon, Glendora, San Gabriel Mountains. 350 Comment
  UCR117573  Acer macrophyllum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23267 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR193936  Acer negundo A. C. Sanders 2008-7-10 35722 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  RSA0020367  Achillea millefolium Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5072 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR204211  Achillea millefolium R. G. Swinney 2001-9-16 8161 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  SEINET4692151 Image available Achnatherum eminens G. B. Grant June 02 1248 Los Angeles Garvanza, So. Cal. Comment
  SEINET5585768  Achnatherum occidentale subsp. californicum A. A. Beetle 1942-1 3641 Los Angeles San Bernardino Mountains, Rt. 2, 2 miles north of Big Pine Camp Comment
  RSA755463  Achnatherum parishii subsp. parishii R. G. Swinney 2008-7-16 9258 Los Angeles Will Thrall Peak, west of Burkhart Saddle 2378 Comment
  UCR183573  Achyrachaena mollis A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33533 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  OBI69282  Acmispon argophyllus var. argenteus John Knapp, Denise Knapp 2003-4-13 13 Los Angeles Catalina Island 44 Comment
  SD52853  Acmispon dendroideus var. traskiae Peter H. Raven 1962-7-12 18044 Los Angeles San Clemente Island, Wilson Cove, dry rocky grassland near barracks area 75 Comment
  SD52896  Acmispon dendroideus var. traskiae Peter H. Raven 1962-5-7 17578 Los Angeles Wilson Cove, in grassland on edges of gully 91 Comment
  UCD104118  Acmispon glaber Scott Horiuchi; Kelly Robinson 1996-4-28 36 Los Angeles Temescal Canyon, 1 mi along the Temescal Ridge Trail. Comment
  SBBG128247  Acmispon grandiflorus M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3017 Los Angeles Parson's Landing 4 Comment
  SD69608  Acmispon maritimus Robert F. Thorne 1966-4-28 36198 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, dry rocky slope along road to Renton Mine 244 Comment
  RSA390564  Adenostoma fasciculatum Anstruther Davidson 1889-1 s.n. Los Angeles Glendale. Comment
  SDSU8954  Adenostoma fasciculatum R. M. Beauchamp 1966-8-10 62 Los Angeles Above Topanga Canyon Blvd, in Topanga Canyon. Comment
  SEINET2442363  Adenostoma fasciculatum Bradley J Kayl, Jon ; Deren ; John 1994-5-12 37 Los Angeles Santa Monica Mtns. Tapia park. Malibu. Comment
  RSA0094373  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA226995  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, C. W. Tilforth 1971-6-17 39973 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA390490  Adenostoma fasciculatum var. fasciculatum Jon Nickoloff 1973-5-2 730502 -3 Los Angeles on ridge 600' N. of Mt. Wilson trail, Sierra Madre; S facing ridge. 305 Comment
  RSA532646  Adenostoma fasciculatum var. fasciculatum Tim S. Ross 1991-8-14 5761 Los Angeles Roundtop [Mtn], San Gabriel Mountains. South slope. 1872 Comment
  RSA650372  Adenostoma fasciculatum var. fasciculatum Howard Cook 1948-5-8 2 Los Angeles About 2 miles north of San Dimas in a dry wash. 229 Comment
  CAS-BOT-BC65564  Adiantum capillus-veneris L. R. Abrams; I. L. Wiggins 1931-7-4 322 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA603336  Adiantum capillus-veneris Scott D. White 1997-5-21 5205 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  SEINET3861129 Image available Adiantum capillus-veneris Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8108 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  UCR190870  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6714 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  UCR193685  Adiantum capillus-veneris R. G. Swinney, Dave Larson 1999-5-29 7230 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  RSA0062560  Ageratina adenophora R. G. Swinney 2010-4-15 12269 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  JEPS22755  Agnorhiza ovata Rimo Bacigalupi with Reino Alava 1958-7-20 6409 Los Angeles Charlton Flat, close to Angeles Crest Highway San Gabriel Mountains, Angeles National Forest 1623 Comment
  RSA0086462  Agoseris Mitch Provance, Callen Huff 2009-4-28 10666 Los Angeles Tehachapi Mountains: Road on ridge overlooking Hwy I-5 about 0.6 miles NE of Gorman. 1439 Comment
  RSA623873  Agrostis pallens Jon E. Keeley 1979-5-10 7276 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  SEINET4044471  Agrostis pallens D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, near Kanan-Dume Road. 182 Comment
  RSA279022  Agrostis stolonifera R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42179 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: Big Meadow, Big Pines 2088 Comment
  UCR190230  Agrostis viridis R. G. Swinney 1998-8-1 6607 Los Angeles San Gabriel Mtns., Mine Gulch at East Fork of San Gabriel River Canyon 1372 Comment
  UCR230257  Agrostis viridis Dan S. Cooper 2011-4-15 411- 19 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Skyline Trail 211 Comment
  RSA453111  Alchemilla occidentalis Louis C. Wheeler 1934-3-6 2399 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  RSA601831  Allium burlewii Steve Boyd, Lauren Raz 1997-6-17 9944 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit., Near 34 deg 41' 19.3''N 118 deg 34' 28.3''W. 1597 Comment
  SD262149  Allium fimbriatum R. G. Swinney 2014-4-24 16227 Los Angeles San Gabriel Mountains/Mojave Desert: SE of Valyermo, Shoemaker Cyn, S-facing slope onsouth side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. (Valyermo 7.5'Q) 1244 Comment
  RSA725089  Allium fimbriatum var. fimbriatum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -3 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  POM96042  Allium fimbriatum var. fimbriatum F. W. Peirson 1926-4-26 6661 Los Angeles 5 miles west of Rock Creek, Mohave Desert. Comment
  RSA330755  Allium monticola Wayne E. Sawyer 1981-6-16 35 Los Angeles San Gabriel Mountains, Angeles National Forest: Crest trail above Lily Spring, Ca. 0.25 mi. W of Mt. Hawkins. 2606 Comment
  RSA70244  Allium peninsulare var. peninsulare F. W. Peirson 1919-7-1 509 Los Angeles Fish Canyon, San Gabriel Mountains 610 Comment
  RSA682116  Allophyllum divaricatum Valerie L. Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
Read comments
Jul 21 2016
  JEPS58604  Alnus rhombifolia C. E. Hutchinson 1892-8-10 Los Angeles in small canyon near Altadena 243 Comment
  RSA629705  Amaranthus albus L. C. Wheeler 1967-7-6 9923 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  IRVC26136  Amaranthus albus B. C. Templeton 1932-7-21 5035 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  RSA402953  Amaranthus albus F. R. Fosberg 1931-4-8 S- 4509 Los Angeles Santa Catalina Island. 40 Comment
  SBBG72679  Amaranthus californicus R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  UCD97550  Amaranthus powellii Rudolf Schmid 1962-5-24 s.n. Los Angeles Winnie Way and Santa Anita, Arcadia. Comment
  RSA188159  Amblyopappus pusillus R. F. Thorne 1966-4-4 35766 Los Angeles Santa Catalina Island: near Ballast Point on E side of Catalina Harbor, Isthmus. Comment
  CAS-BOT-BC13491  Amblyopappus pusillus A. J. McClatchie 1893-9-12 s.n. Los Angeles Catalina Comment
  UC1594404  Amblyopappus pusillus Tim Ross and Elizabeth Kellogg 1992-4-13 6140 Los Angeles in vicinity, (coastal terrace, 340 deg nnw & 1140m from 199 ft BM near Flasher) Darter; San Clemente Island (nw part) 18 Comment
  OBI28965  Ambrosia acanthicarpa David J. Keil 1976-12-12 11892 Los Angeles 5 mi W of San Bernardino Co line along Calif rte 138 Comment
  RSA739689  Ambrosia acanthicarpa John Dittes 2005-11-26 1298 Los Angeles Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  SD253363  Ambrosia acanthicarpa R. G. Swinney 2011-10-27 15925 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, ca. 300 m east of entrancce gate to Cogswell Damm, between FS Rd 2N25 and the stream. 648 Comment
  UCD128707  Ambrosia acanthicarpa James Dilley 1996-10-26 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest, Vincent Gap, on Angeles Crest Hw. Comment
  RSA474187  Ambrosia dumosa F. R. Fosberg 1931-12-10 7147 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. 10 Comment
  UCR252061  Amorpha californica Dan S. Cooper 2013-4-22 413- 61 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. at Canyon Lake Dr., NE side of reservoir 233 Comment
  RSA596891  Amsinckia intermedia T. S. Ross, J. Mark Porter 1995-5-4 8466 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR270050  Amsinckia intermedia R. G. Swinney 2011-3-17 14119 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UC1922007  Amsinckia menziesii Scott D. White, Pam DeVries 2006-5-9 11405 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  UC1084574  Amsinckia menziesii var. menziesii Francia Chisaki, Peter M. Ray 1952-5-1 2243 Los Angeles 0.4 mi w of junction of Bouquet Canyon Road (with road to Castaic Junction in Saugus) Comment
  SBBG63561  Amsinckia tessellata R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UCR219818  Amsinckia tessellata R. G. Swinney 2009-4-24 10432 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR258742  Amsinckia tessellata R. G. Swinney 2010-5-19 12816 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  RSA0091448  Amsinckia tessellata var. tessellata Frank W. Peirson 1930-5-12 8792 Los Angeles Along boulevard nearly opposite Acton, about 3 miles north of Mint Canyon summit. Comment
  RSA0089138  Anagallis arvensis R. G. Swinney 2010-5-7 12593 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  RSA648277  Anagallis arvensis Jami Liberi 1983-4-16 21 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA592222  Anagallis arvensis Louis C. Wheeler 1967-4-30 9229 Los Angeles Limekiln Canyon 564 Comment
  LA47049  Ancistrocarphus filagineus Peter H. Raven; Henry J. Thompson 1960-4-12 15029 Los Angeles 274 Comment
  SEINET5866934  Anemopsis californica G. B. Grant 1904-4-23 43 Los Angeles Southern California, Redondo Comment
  RSA77435  Angelica tomentosa F. W. Peirson 1921-7-19 2508 Los Angeles Cow Canyon, Tributary of East Fork of San Gabriel River 914 Comment
  UCR256202  Anisocoma acaulis R. G. Swinney 2010-5-19 12837 B Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA509605  Anthemis cotula L. C. Wheeler 1967-5-13 9495 Los Angeles Between Little Dalton Canyon Englewild Canyon. 381 Comment
  RSA652511  Anthemis cotula Jim Reutzel 1994-5-29 200 Los Angeles Los Angeles [Pomona], hills behind Cal Poly Pomona University, behind the north Health Center parking lot. Comment
  RSA592435  Anthriscus caucalis L. C. Wheeler 1967-5-13 9517 Los Angeles San Gabriel Mountains. San Gabriel Canyon, El Encanto. 259 Comment
  SBBG54001  Antirrhinum coulterianum R. S. Woglum 1930-4-28 Los Angeles S of Glendora Comment
  JEPS5284  Antirrhinum multiflorum Frank W. Peirson 1918-6-30 190 Los Angeles Mt. Wilson Toll Road; San Gabriel Mountains 1143 Comment
  SFV6493  Antirrhinum multiflorum T. Gordon, M. H. Grayum, P. McDonald 1974-6-4 Los Angeles Santa Susana Mountains Along sandstone ridge just west of junction of main ridge road with Brown Canyon Road. 1067 Comment
  CATA2049  Antirrhinum nuttallianum Steven A. Junak 1998-6-13 738 Los Angeles Santa Catalina Island: Coastal slopes just W of beach at Little Harbor 48 Comment
  UC1234762  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-5-20 17779 Los Angeles Avalon, near Bird Park Avalon, Santa Catalina Island; Santa Catalina Island Comment
  UC284143  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles low shore on w coast San Clemente Island Comment
  SD115059  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1158 Los Angeles San Gabriel Mountains; Blue Ridge Road 0.5 mile east of Guffy Campground. 2377 Comment
  RSA656059  Apiastrum angustifolium James Henrickson 1985-3-30 19791 Los Angeles Ca. 3 air mi. nnw. of Newhall in proposed North Hills development just north of Santa Clara River and just e. of San Francisquito Creek 354 Comment
  UCR124620  Apiastrum angustifolium I. W. Clokey, B. C. Templeton 1929-1 4434 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA785650  Apium graveolens K. Dobry 1992-10-6 318 Los Angeles Santa Susana Mts. Tapo Cyn at Big Sky Ranch Comment
  RSA588086  Apocynum cannabinum Orlando Mistretta 1994-5-25 1256 Los Angeles Little Rock Creek, near confluence of Little Rock Creek and S Fork of Little Rock Creek. 1280 Comment
  LA33787  Aptenia cordifolia Peter H. Raven; 1959-10-18 14662 Los Angeles Santa Monica Mountains, Topanga Canyon, Coast highway at mouth of canyon 4 Comment
  POM184682  Aquilegia formosa Joseph A. Ewan 1932-6-12 7380 Los Angeles 1/2 mile below Falls Creek, Tujunga Canyon, San Gabriel Mountains 762 Comment
  CHSC98400  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: at end of Olive Ave, parked on Via Montana, in city of Burbank. Folllow an old road that is overgrown so that a faint trail is all that is left of this road. The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. West facing slope, growing along old road, above a small side canyon that drains into Sunset Canyon. 365 Comment
  UCR272548  Arabis glabra R. G. Swinney 2011-6-7 15060 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  RSA0126406  Arabis glabra var. glabra Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Monrovia Canyon. Comment
  POM3231  Aralia californica D. L. Crawford 1915-6-30 562 Los Angeles Canons above Claremont Comment
  RSA0034998  Arbutus unedo J. Means 1964-12-4 s.n. Los Angeles P.C. Arboretum. [most likely Pierce College Arboretum.] 243 Comment
  CAS-BOT-BC24151  Arctostaphylos Timothy S. Ross; Steve Boyd 1994-6-23 8034 Los Angeles Flora of the Liebre Mountains, Sawmill Mountain: 5514' summit and immediately adjacent slopes, Burnt Peak 7.5' USGS 1680 Comment
  POM367239  Arctostaphylos catalinae F. R. Fosberg 1931-7-14 S 5398 Los Angeles Hay Press, Santa Catalina Island 350 Comment
  RSA724709  Arctostaphylos glandulosa K. Dobry 1991-4-22 d- 812 Los Angeles Santa Monica Mts. Upper Cold Creek Cyn Comment
  RSA626726  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22110 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  CAS-BOT-BC23242  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-4-13 1500 Los Angeles Wilson's Trail 609 Comment
  CAS-BOT-BC23250  Arctostaphylos glandulosa subsp. glandulosa Peter H. Raven 1959-3-8 13840 Los Angeles Mulholland Drive 7.6 miles west of Topanga Canyon 365 Comment
  UC1871045  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3921 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  LA42384  Arctostaphylos glandulosa subsp. mollis Harlan Lewis; 1940-2-4 1054 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  RSA247421  Arctostaphylos glandulosa subsp. mollis Jack Delaini, Barbara Shervanick 1974-3-22 81 Los Angeles Lodi Canyon, San Dimas Experimental Forest 747 Comment
  RSA305041  Arctostaphylos glandulosa subsp. mollis P. H. Raven, H. J. Thompson 1959-4-3 13910 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  RSA702823  Arctostaphylos glandulosa subsp. mollis Scott D. White 2004-7-27 10629 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  RSA596506  Arctostaphylos glauca L. C. Wheeler 1966-11-19 9138 Los Angeles San Gabriel Mountains. Dagger Flat vicinity, Pacoima Canyon. Comment
  RSA631425  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20501 Los Angeles Chilao Campground. 1600 Comment
  RSA652403  Arctostaphylos glauca Stephen Hill 1981-2-27 25 Los Angeles Hwy. 39 1.2 miles N. of Coldbrook station on E. side of Hwy. Comment
  RSA634757  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22016 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634819  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20235 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634841  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20479 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA634891  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20401 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA634904  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20550 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635060  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20360 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA635246  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20649 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  POM162487  Arenaria macradenia var. arcuifolia F. W. Peirson 1929-7-1 8430 Los Angeles Aliso Creek at Tie Canyon. 1356 Comment
  RSA603619  Arenaria macradenia var. kuschei Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10012 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1584 Comment
  SEINET7067003  Argemone munita J. L. Crane, Payam M. Fallah 2003-7-9 Mar- 83 Los Angeles Along the Angeles Crest highway (Route 2). San Gabriel Mountains. Coordinate datum: NAD27. UTM Zone 11, 421729mE, 3801839mN. Comment
  RSA150680  Aristida adscensionis var. modesta P. H. Raven 1962-5-8 17609 Los Angeles San Clemente Island: second canyon south of Seal Cove 30 Comment
  JEPS30427  Artemisia californica Peter H. Raven and Henry J. Thompson 1959-10-31 14727 Los Angeles 2.7 miles n of Sunset Boulevard; Santa Monica Mountains, Mandeville Canyon 259 Comment
  RSA652953  Artemisia douglasiana A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23277 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Canyon watersheds. 610 Comment
  SFV13208  Artemisia dracunculus W. M. Perry Dec 1980 135 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  UC586943  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1934-8-4 8329 Los Angeles s end Blue Ridge (Guffys Spring); San Gabriel Mts. 2438 Comment
  CAS-BOT-BC97285  Artemisia tridentata subsp. parishii George H. Ward; Whitmire 1951-3-26 977 Los Angeles just S of Lancaster Comment
  CAS-BOT-BC97287  Artemisia tridentata subsp. parishii J. Ewan 1931-11-11 5296 Los Angeles Del Valle, Santa Clara River Valley Comment
  UC1119416  Artemisia tridentata subsp. parishii A. Lewis 1934-2-1 4297 Los Angeles Oak Springs San Fernando Quadrangle, Oak Springs Comment
  CAS-BOT-BC97335  Artemisia tridentata subsp. tridentata H. M. Hall 1919-10-20 s.n. Los Angeles Mint [Canon] Canyon Comment
  JEPS36970  Artemisia tridentata subsp. tridentata W. L. Jepson 1920-5-3 8936 Los Angeles Mts. above Castaic Creek ((Ridge Route)) 975 Comment
  RSA706431  Asclepias californica LeRoy Gross 2005-6-23 2373 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1642 Comment
  SBBG17265  Asclepias californica K. A. Wilson 1962-5-12 1280 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  RSA587104  Asclepias californica Orlando Mistretta 1995-4-28 1655 A Los Angeles Kitter Canyon, slopes W of main canyon. 1219 Comment
  CATA128  Asclepias fascicularis Peter Henrikson 1987-5-18 97 Los Angeles Santa Catalina Island: Above Parsons' Landing 76 Comment
  UCR103489  Asclepias fascicularis David Charlton 1989-6-10 3208 Los Angeles Tehachapi Mtns., Tejon Pass, [Tejon Post Rd] Gorman Post Rd., 1 mile [S]SE of Gorman, alkali spring at the electric substation. 1098 Comment
  UCR193454  Asclepias vestita R. G. Swinney 1999-6-18 7290 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA686312  Aspidotis californica G. R. Proctor 1944-02 782 Los Angeles Sepulveda Canyon Comment
  CAS-BOT-BC68799  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  UCR201414  Aster greatae Justin M. Wood 2008-11-21 245 Los Angeles San Gabriel Mountains, 1.5 air mi northeast of Big Tujunga Dam where Fall Creek crosses ANF Road (3N27) 800 Comment
  UCR208898  Astragalus bicristatus I. M. Johnston 1918-7-6 2056 Los Angeles San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 2134 Comment
  IRVC26362  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26050 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UCR206262  Astragalus douglasii R. G. Swinney 2008-6-4 8941 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 0.2 mi. north of park headquarters/nature center 1430 Comment
  POM11398  Astragalus douglasii var. douglasii P. A. Munz 1921-6-17 4572 Los Angeles Swartout Valley. 2134 Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  RSA589183  Astragalus lentiginosus var. variabilis T. S. Ross 1991-4-28 4736 Los Angeles ca 940 m due W of the big butte of Three Sisters along shallow wash that runs NW toward Black Butte., Blading road heading N from Black Butte Basin Road x Avenue U [not on 1968 topo], running northward to the W of BBB Rd. for about 1.2 miles, then rejoining it NW of Three Sisters Buttes. 939 Comment
  RSA415650  Astragalus pomonensis Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  LA200439  Astragalus trichopodus var. lonchus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UC2025788  Astragalus trichopodus var. lonchus T. R. Huggins 2013-3-16 13 -011 Los Angeles Santa Monica Mountains. Corral Canyon Road; ca. 1.2 miles from Pacific Coast Highway Comment
  CAS-BOT-BC194044  Astragalus trichopodus var. lonchus E. R. Blakley 1962-10-3 5389 Los Angeles East side of Blackjack Mt. at junction of road to Whites Landing, Santa Catalina Island 396 Comment
  SEINET4032899  Astragalus trichopodus var. lonchus R. Moran 1941-1 604 Los Angeles Northwest of Wilson's Harbor, South Catalina Island. Comment
  RSA415704  Astragalus trichopodus var. phoxus H. L. Bauer 1933-1 17524 Los Angeles Near Girard. 457 Comment
  UC1128735  Astragalus trichopodus var. phoxus A. D. Gifford 1935-3-15 462 Los Angeles 4 1/2 mi sw Red Mtn.; Tejon Quad., Angeles National Forest, sw of Red Mtn. Comment
  RSA452398  Atriplex californica G. J. Hoffenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades Comment
  UC205289  Atriplex coulteri Katharine Brandegee Los Angeles Bixby Comment
  RSA746524  Atriplex glauca R. E. Riefner Jr. 2007-3-10 7 -121 Los Angeles Palos Verdes Peninsula, vicinity of Via Alar and Palos Verdes Dr. West. 64 Comment
  UC1136289  Atriplex lentiformis subsp. lentiformis R. St. John 1933-2-15 335 Los Angeles Pacific Palisades Calabasas Quad., Pacific Palisades Comment
  RSA5213  Atriplex rosea C. B. Wolf 1932-9-13 s.n. Los Angeles Bryant Ranch. S.W. side of SE 1/4 sect. 27., (460 ft. east and 100 ft. no. of SW corner of SE 1/4 sect. 27. T4S R12W). 5 Comment
  UCD97696  Atriplex semibaccata W. W. Ellis 1931-9-1 s.n. Los Angeles Inglewood. Comment
  SBBG110904  Atriplex serenana var. serenana G. B. Grant, W. Wheeler 1904-4-21 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC176738  Atriplex serenana var. serenana Cecil Hart 1926-8-25 s.n. Los Angeles Howard & Smith's Nursery, [Montabello] Montebello, Los Angeles Comment
  SBBG130572  Atriplex suberecta S. A. Junak 2000-10-13 SCa 1416 Los Angeles NW end of upper Buffalo Corral Reservoir 201 Comment
  RSA150922  Avena barbata P. H. Raven 1962-4-11 17290 Los Angeles San Clemente Island: beach behind Northwest Harbor 3 Comment
  UCR259954  Avena barbata R. G. Swinney 2010-4-28 12428 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  SD234236  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al 2003-4-28 26142 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam (Warm Springs Mtn 7.5' Q) 487 Comment
  UC572679  Avena fatua Nell Murbarger March, 1936 89 Los Angeles San Clemente Island Comment
  POM211416  Baccharis douglasii L. C. Wheeler 1933-10-7 2165 Los Angeles Liveoak Canyon, San Gabriel Mts. 701 Comment
  RSA652562  Baccharis glutinosa R. Danborn 1948-2-22 s.n. Los Angeles Padua Hills N. of Claremont Comment
  CAS-BOT-BC482463  Baccharis salicifolia R. G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  UC1515572  Baccharis salicifolia subsp. salicifolia Prof. Brewer 1861-2-3 171 Los Angeles San Gabriel Mountains; Camp 12 Comment
  UC472188  Baccharis salicifolia subsp. salicifolia C. F. Millspaugh 1920-1-2 4507 Los Angeles Avalon Santa Catalina Island Comment
  UC893723  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  CAS-BOT-BC100024  Balsamorhiza deltoidea Le Roy Abrams; E. A. McGregor 1908-6-20 356 Los Angeles Liebre Mountain 1371 Comment
  OBI6014  Berberis nevinii Carl B. Wolf 1927-1 Los Angeles Comment
  RSA0048531  Berberis thunbergii var. atropurpurea Jack Pepper 1953-5-22 s.n. Los Angeles Woodland Hills. Comment
  RSA683892  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25258 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi. SW of Castaic Junction. 305 Comment
  RSA451987  Berula erecta Anonymous 1900-9-16 2795 Los Angeles Elysian Park Comment
  RSA423231  Beta vulgaris Anstruther Davidson 1893-05 s.n. Los Angeles Los Angeles. Comment
  SD240842  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. Former oil field w/gravel service road remnants. 24 Comment
  CAS-BOT-BC101993  Bidens pilosa C. F. B. 1903-10-1 3729 Los Angeles Claremont Comment
  RSA678214  Bituminaria bituminosa Valerie L. Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. 396 Comment
  RSA748848  Bituminaria bituminosa Justin M. Wood 2009-4-13 487 Los Angeles Foothills above the city of Sierra Madre, one carter estates at the end of Baldwin Ave. 49 Comment
  RSA586534  Bloomeria crocea var. crocea Timothy S. Ross, Annette Ross 1991-6-3 5550 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  UC111290  Boechera arcuata O. M. Oleson 1907-3-28 Los Angeles near Pasadena; Rubio Canyon Comment
  RSA482650  Boechera californica Frank M. Yocom 1914-5-15 s.n. Los Angeles Rubio Canyon. 731 Comment
  RSA0129615  Boechera xylopoda R. G. Swinney 1997-6-13 5588 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473 ), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  OBI69364  Bothriochloa barbinodis John Knapp, Denise Knapp 2002-11-27 23 Los Angeles Santa Catalina Island 76 Comment
  POM243668  Bowlesia incana F. R. Fosberg 1931-3-20 s 4320 Los Angeles Hamilton Canyon, Santa Catalina Island. 25 Comment
  UC56427  Bowlesia incana Ernest Braunton Mar 1903 827 Los Angeles Playa del Rey Comment
  UCR101747  Bowlesia incana L. C. Wheeler 1965-5-16 8704 Los Angeles San Gabriel Mtns., Ravine south of Two Shay Ranch, Bouquet Canyon 927 Comment
  UCR274115  Bowlesia incana Steven A. Junak 1999-5-20 SCa- 945 Los Angeles California Islands, Santa Catalina Island, just south of Cottonwood-Black Jack Road 305 Comment
  RSA451996  Bowlesia incana M. B. Dunkle 1920-4-7 2085 Los Angeles White s Landing Comment
  UCR259377  Boykinia rotundifolia R. G. Swinney 2010-8-30 13618 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA162717  Brassica juncea J. D. Olmsted 1958-5-8 128 Los Angeles Along San Antonio Creek in Balnchard Park on Pomona College Campus, Claremont near eastern boundary of Los Angeles County 366 Comment
  RSA0084243  Brassica nigra Jennifer Jones 2006-5-27 339 Los Angeles South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue. 244 Comment
  POM351117  Brickellia californica Anstruther Davidson 1901-9-1 s.n. Los Angeles Rocky Creek Comment
  POM58247  Brickellia californica C. F. Baker 1903-8-2 3696 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0105489  Brickellia californica R. G. Swinney 2011-11-3 15992 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  SBBG66133  Brickellia californica R. Hoffmann 1927-9-21 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  JEPS30649  Brickellia californica Peter H. Raven and Henry J. Thompson 1958-10-11 13765 Los Angeles 4.2 mi E of top of Saddle Peak on Piuma Road. 640 Comment
  RSA330764  Brickellia microphylla Wayne E. Sawyer 1981-8-30 138 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.6 miles from Dawson Saddle. 2302 Comment
  RSA636095  Brickellia nevinii L. C. Wheeler 1953-9-12 7051 Los Angeles San Gabriel Mountains: South fork Big Rock Creek, near mouth. Comment
  RSA226254  Brodiaea jolonensis Gary D. Cromwell, D. Wheat 1971-5-23 690 Los Angeles Mystic Canyon, San Gabriel Mtns., Angeles National Forest. 2 miles NE of Glendora, 549 Comment
  UC188874  Bromus arizonicus Geo. B. Grant Apr. 1902 4093 Los Angeles Altadena; Southern California, Altadena Comment
  UCD57747  Bromus berteroanus L. Whitney 1935-3-28 s.n. Los Angeles 20 miles W of Lancaster. Mohave Desert. Comment
  RSA594454  Bromus carinatus D. L. Banks 1996-3-25 865 Los Angeles Claremont; Oakwood Apartments; 580 S. Bucknell Avenue; W side of street across from the Apartment complex. On disturbed ground between the sidewalk and school playground. Comment
  UCR64176  Bromus carinatus A. C. Sanders 1988-2-18 7692 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  CAS-BOT-BC149189  Bromus carinatus var. carinatus Le Roy Abrams 1901-4-1 1345 Los Angeles San Fernando Mountains. Comment
  CAS-BOT-BC149579  Bromus carinatus var. carinatus A. C. Sanders; Mark A. Elvin 2003-4-16 26044 Los Angeles Santa Clara River watershed. Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon. 335 Comment
  SEINET943620  Bromus carinatus var. carinatus F. R. Fosberg 1931-1 54608 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA430467  Bromus catharticus A. C. Sanders 1987-9-18 7352 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive., (Near 33 deg 56'N, 118 deg 26'W.) 38 Comment
  RSA533473  Bromus catharticus Timothy S. Ross 1991-4-21 4568 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  UCR223561  Bromus ciliatus R. G. Swinney 2009-6-2 10985 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC156119  Bromus diandrus Timothy S. Ross; Victor W. Steinmann 1995-5-8 8574 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  LA103456  Bromus diandrus Barry A. Prigge; 1986-3-20 6973 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  POM363398  Bromus diandrus Robert Gustafson 1981-3-18 2120 Los Angeles Ballona Wetlands, Area 3. Comment
  POM363401  Bromus diandrus N. C. Cooper 1945-5-1 2216 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  RSA533415  Bromus diandrus Timothy S. Ross 1991-4-21 4524 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon drainage, vicinity of old water tank. 220 Comment
  RSA592440  Bromus diandrus L. C. Wheeler 1967-5-13 9524 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  SBBG105371  Bromus diandrus R. M. Beauchamp 1976-5-22 4140 Los Angeles S side of Eel Pt Cyn 21 Comment
  UCR223576  Bromus diandrus R. G. Swinney 2009-6-3 11036 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA589231  Bromus grandis Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2930 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  UC1871328  Bromus grandis T. S. Ross, Walter Appleby 1993-5-20 7212 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Vicinity of Los Pinetos Spring 899 Comment
  UCR149536  Bromus hallii R. G. Swinney 1997-6-25 5630 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  RSA592296  Bromus hordeaceus L. C. Wheeler 1967-5-13 9545 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  UCR149915  Bromus hordeaceus R. G. Swinney 1997-6-25 5654 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  CAS-BOT-BC227187  Bromus laevipes Scott D. White; Justin Wood 2008-5-8 11944 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights 305 Comment
  CAS-BOT-BC162340  Bromus madritensis Javier Penalosa 1961-5-21 1526 Los Angeles San Gabriel Mountains. Comment
  UCR102380  Bromus madritensis subsp. madritensis L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mtns., Devil's Canyon, just above the upper falls, below the campground, east of windy gap. 1006 Comment
  CAS-BOT-BC161861  Bromus rubens s.n. Los Angeles Pasadena. Comment
  POM49462  Bromus rubens L. W. Nuttall 1920-5-14 s.n. Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon. Comment
  UCR222847  Bromus rubens R. G. Swinney 2009-4-28 10545 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CATA3502  Caesalpinia spinosa Julia Parish, Peter Dixon 2017-8-22 032 Los Angeles Santa Catalina Island: Black Jack Campground, SW hillside among pines 465 Comment
  RSA799927  Calandrinia ciliata Justin M. Wood 2009-3-20 368 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  UCR182679  Calandrinia ciliata R. G. Swinney 1998-4-11 5946 Los Angeles San Gabriel Mtns, Claremont, hills c. 0.75 mi. NE of Padua Hills Restaurant, 0.4 SW of Potato Mtn. 823 Comment
  CAS-BOT-BC438410  Calandrinia ciliata Huron H. Smith 1912-3-27 4939 Los Angeles Azusa 304 Comment
  SBBG98617  Calandrinia menziesii T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5319 Los Angeles between Box and Horse Cyns 484 Comment
  SD257093  Calocedrus decurrens R. G. Swinney 2010-9-9 13761 Los Angeles San Gabriel Mountains: Big Cienaga, north of Crystal Lake Campground, 0.6 mile east of Deer Flats Campground, along FSR 3NO7.2/ North Crystal Lake Rd. 2012 Comment
  PASA518  Calochortus albus J. E. Giguette May , '26 Los Angeles Flintridge Comment
  CAS-BOT-BC132265  Calochortus catalinae LeRoy Abrams 1903-3-14 3143 Los Angeles San Pedro Hills Comment
  LA22329  Calochortus catalinae Carl Epling; 1939-2-7 sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  UC205717  Calochortus catalinae S. B. Parish 1919-4-19 19269 Los Angeles Lone Hill, near San Dimas Comment
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Oct 2 2016
  UCR48037  Calochortus catalinae Kathy Harper 1987-5-2 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy, between Las Virgenes Valley Overlook [34 deg. 06' 07'N, 118 deg. 41' 37'W) and Yerba Buena Rd.; at Yerba Buena Road Comment
  UC1174999  Calochortus clavatus E. K. Balls and P. C. Everett 1959-6-29 23863 Los Angeles 1 mi ne Stokes Canyon entrance; Santa Monica Mts. 243 Comment
  CAS-BOT-BC132341  Calochortus clavatus Gale Sphon 1959-5-9 329 Los Angeles 1.7 miles northeast of Soledad Canyon turnoff on Highway 6, Mint Canyon Comment
  RSA0013577  Calochortus clavatus var. clavatus D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4253 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. & 1.61km N of Plum Cyn. 482 Comment
  RSA134724  Calochortus clavatus var. clavatus E. K. Balls, Percy C. Everett 1959-7-29 23863 Los Angeles Northeast of entrance to Stokes Canyon, Santa Monica Mountains. 244 Comment
  RSA0004329  Calochortus clavatus var. clavatus Anstruther Davidson 1892-06 s.n. Los Angeles Laurel Canyon. Los Angeles. Comment
  JEPS17815 Image available Calochortus clavatus var. gracilis Frank W. Peirson 1921-6-21 2468 Los Angeles West Fork San Gabriel River San Gabriel Mountains 685 Comment
  SBBG122075  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-20 1747 Los Angeles N of Santa Clara River, 3 mi NW of Castaic Junction, S slopes of Hasley Cyn 385 Comment
  UCR257109  Calochortus kennedyi Mitch Provance 2010-5-12 0510- 58 Los Angeles Western Transverse Range/W Mojave Desert, hills south side of Hwy 138, c. 3 miles west of Neenach and 5.5 miles east of intersection of Hwy 138 and N2/Ridge Route 1009 Comment
  RSA747169  Calochortus palmeri var. palmeri Orlando Mistretta 1992-6-23 605 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  POM199718  Calochortus plummerae I. W. Clokey, Bonnie C. Templeton 1929-06 4579 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA660182  Calochortus plummerae Orlando Mistretta 1993-1-19 657 Los Angeles Transverse Ranges; San Gabriel Mts region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA369058  Calochortus splendens Robert L. Dressler 1949-6-19 895 Los Angeles Johnstone Peak, vicinity, San Gabriel Mts. 854 Comment
  SBBG57743  Calochortus striatus R. Hoffmann 1929-5-21 Los Angeles Lancaster Village Comment
  RSA627541  Calochortus venustus Sandy Leatherman, Scott D. White 1998-5-15 8 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  UCR187095  Calochortus venustus A. C. Sanders 2006-5-16 32297 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UC1929306  Calochortus weedii var. intermedius Scott D. White, Justin Wood 2008-6-4 12056 Los Angeles Puente Hills; NW of Turnbull Canyon. SCE powerline corridor at tower 27 and adjacent access road. 348 Comment
  UCR281305  Calycoseris parryi R. G. Swinney 2014-4-17 16086 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  SBBG69690  Calyptridium monandrum R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  SEINET3245939  Calyptridium monospermum G. K. Helmkamp, E. A. Helmkamp 2010-1 16519 Los Angeles Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area (Tragedy Spring 7.5') 2234 Comment
  UC212960  Calyptridium parryi var. parryi I. M. Johnston 1918-7-6 Los Angeles Pine Mountain, at lead of Devils Slide Pine Mountain; San Antonio Mountains, , Devils Slide 2895 Comment
  CAS-BOT-BC221400  Calystegia longipes Alice Eastwood 1913-5-11 3150 Los Angeles San Fernando Wash Comment
  CATA1084  Calystegia macrostegia Mark L. Hoefs 1995-5-16 2034 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR131409  Calystegia macrostegia Alison Lipman 1998-9-28 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  LA81927  Calystegia macrostegia subsp. cyclostegia O. H. Kappler; 1944-2-13 545 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 60 Comment
  RSA187676  Calystegia macrostegia subsp. intermedia R. F. Thorne 1966-9-14 36630 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. Margin of reservoir. 198 Comment
  RSA580957  Calystegia macrostegia subsp. intermedia Jamie Kneitel, Walter Appleby 1994-4-28 44 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  SD31181  Calystegia macrostegia subsp. intermedia Edith A. Purer 1931-3-12 997 Los Angeles Palos Verdes Hills. Comment
  CAS-BOT-BC418630  Calystegia occidentalis subsp. fulcrata R. K. Brummitt; S. M. Namoff 2012-6-7 22036 Los Angeles Angeles National Forest, San Gabriel Mts., N side of Big Pine hwy, 50 m W of junction with Hwy 2 2080 Comment
  RSA608305  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1946-8-29 6306 Los Angeles Blue Ridge, 1.5 miles SW Swarthout 2240 Comment
  RSA729311  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-2 6219 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CAS-BOT-BC215911  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7851 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  POM21376  Calystegia soldanella George B. Grant 1902-6-20 s.n. Los Angeles Redondo. Comment
  RSA584030  Camissonia Tim S. Ross, Steve D. Boyd 1990-5-29 2698 Los Angeles San Gabriel Mountains. Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just upstream from the Gaging Station. 1239 Comment
  POM96908  Camissonia bistorta P. A. Munz 1925-4-19 9383 Los Angeles Pacoima Canyon wash, near San Fernando Comment
  RSA524970  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1990-6-6 2825 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA279087  Camissonia bistorta Robert F. Thorne, C. W. Tilforth 1971-4-9 41514 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon near dam on San Dimas Creek. 457 Comment
  RSA578309  Camissonia campestris subsp. campestris Tim S. Ross, Steve D. Boyd 1994-5-11 7770 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  RSA0016976  Camissonia campestris subsp. campestris E. R. 1934-3-28 s.n. Los Angeles West end of Antelope Valley. Comment
  RSA652337  Camissonia cheiranthifolia subsp. suffruticosa G. A. Conley 1955-5-22 s.n. Los Angeles Playa Del Rey Sand Dunes. Comment
  UCR79375  Camissonia confusa Steve Boyd, Orlando Mistretta 1993-5-18 8149 Los Angeles W San Gabriel Mtns, N of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (36N4) 915 Comment
  RSA611651  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10082 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UCR187023  Camissonia graciliflora A. C. Sanders 2006-4-25 32158 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  UCR272598  Camissonia hirtella R. G. Swinney 2011-6-7 15031 B Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  RSA311277  Camissonia hirtella Robert F. Thorne 1969-7-2 38293 Los Angeles San Gabriel Mountains, Angeles National Forest: near Chilao Creek, Upper Chilao Campground 1616 Comment
  RSA448983  Camissonia hirtella Anstruther Davidson 1889-07 s.n. Los Angeles Riverside. Los Angeles. Comment
  RSA449010  Camissonia ignota E. Crow 1928-2-29 278 Los Angeles Fields, Claremont, So. California. Comment
  RSA587457  Camissonia pallida subsp. pallida Orlando Mistretta 1995-4-11 1613 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA755932  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-9 2406 Los Angeles Ritter Ridge, SW of Lancaster. Along SCE Edison transmission lines, 0.5 mi. NW of intersection of transmission lines with Elizabeth Lake Rd. (Segment 5, structure 28 per TRTP survey - 2008) 953 Comment
  RSA186524  Camissonia robusta Peter H. Raven 1963-4-17 18174 Los Angeles San Clemente Island: seed collected by M. Piehl; progeny grown at Stanford. Comment
  SDSU8602  Camissoniopsis bistorta A. H. Gallup 1948-3-27 126 Los Angeles Claremont-open fields. 366 Comment
  CAS-BOT-BC160435  Camissoniopsis cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1679 Los Angeles Ballona Harbor Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  SD39519  Camissoniopsis hirtella Edith A. Purer 1935-5-11 6590 Los Angeles Malibou Road. Comment
  LA46788  Camissoniopsis intermedia Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass Comment
  RSA719927  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  UC10291  Capsella bursa-pastoris W. H. Brewer Feb. 1861 169 Los Angeles San Gabriel Comment
  CDA24743  Capsella bursa-pastoris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains; 0.4 mile southwest of Big Cienega on ridge on south side Big Dalton Canyon near mouth. Comment
  RSA651820  Cardamine californica Goebel Prieur 1949-2-8 s.n. Los Angeles San Dimas Canyon, San Dimas. 487 Comment
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May 17 2014
  RSA66112  Cardamine californica var. californica F. W. Peirson 1919-1-5 265 Los Angeles Sawpit Canyon or Monrovia Canyon. 579 Comment
  POM369319  Cardamine californica var. integrifolia Richard C. Barkelew 1929-4-23 15964 Los Angeles Mulholland Highlands near LA. Comment
  SD138912  Cardamine oligosperma Craig Reiser 1993-4-2 Los Angeles San Raphael Hills, proposed Glendale Freeway Park Comment
  SD186147  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park. 316 Comment
  UCR136842  Carduus pycnocephalus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  RSA0112840  Carduus pycnocephalus Steven A. Junak 1999-5-20 SCa- 958 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road, plant stop. 341 Comment
  UCR179643  Carex R. G. Swinney 1995-9-4 4506 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
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Sep 12 2018
  UCR204020  Carex R. G. Swinney 2001-9-15 8143 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
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Sep 12 2018
  UCR209540  Carex R. G. Swinney 2008-7-2 9125 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
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Sep 12 2018
  UCR277000  Carex R. G. Swinney 2010-9-30 13896 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
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Sep 12 2018
  UCR277389  Carex R. G. Swinney 2011-10-13 15783 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
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Sep 12 2018
  RSA678240  Carex alma Valerie Soza, Steve Boyd 2002-4-10 1405 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  RSA746856  Carex alma Orlando Mistretta 1992-5-21 377 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  SEINET7549341 Image available Carex alma Timothy S. Ross, Steve Boyd 1990-6-1 2758 Los Angeles San Gabriel Mountains. Moody Canyon (a.k.a. "The Toilet Bowl of Death") draining northward from Messenger Flats and Mt Gleason. Acton USGS 7.5' quad. 1158 Comment
  RSA364613  Carex barbarae L. E. Hoffman 1932-8-10 s.n. Los Angeles Verdugo Woodlands, Glendale. Comment
  SBBG119322  Carex densa V. Soza with S. Boyd 2002-4-10 1405 Los Angeles Haskell Cyn, Del Sur Ridge, Stables Fire 2001 area; T5N R15W S19, SW/4, SE/4 518 Comment
  CAS-BOT-BC21313  Carex fracta J. Ewan 1930-6-24 2689 Los Angeles San Gabrile Mountains. Below Big Cienega, Mt. Islip Trail. 1950 Comment
  RSA774597  Carex multicaulis Orlando Mistretta, Christine Mistretta 2010-6-10 5291 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 4.33 road miles (2.07 air miles), S of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1229 Comment
  RSA586454  Carex multicaulis Orlando Mistretta 1994-6-21 1380 Los Angeles San Gabriel Mountains. Santiago canyon. Drainage [northwest] of Pacifico Mountain. 1676 Comment
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  RSA0116662  Carex subfusca R. G. Swinney 2008-10-16 9596 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  UCR124719  Carex subfusca B. C. Templeton 1932-6-1 4875 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2330 Comment
  RSA402599  Carpobrotus edulis Mary D. Merilatt 1936-7-15 s.n. Los Angeles Playa del Rey. Comment
  RSA636107  Casimiroa edulis Robert F. Thorne 1974-6-1 44710 Los Angeles Claremont. 335 Comment
  LA32205  Castilleja affinis Henry J. Thompson; 1959-3-27 1875 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, 0.5 mi from Coast Hwy on Rambla Padifica Rd. 60 Comment
  SEINET3079828 Image available Castilleja angustifolia var. dubia Steve Myers, Ed LaRue 1989-3-21 Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andres Rift Zone bissects site 884 Comment
  JEPS66320  Castilleja applegatei subsp. martinii L. R. Heckard 1971-5-25 2584 Los Angeles just above the canyon bridge along road (N3) over San Gabriel Mts. to Palmdale San Gabriel Mts. 1341 Comment
  UCSB27058  Castilleja chromosa Daniel, Dick 1964-5-15 Los Angeles Mint Canyon Campground, 7.7 miles northeast of junction of Mint Canyon Road and California 126 640 Comment
  RSA725649  Castilleja exserta Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 424 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  UC1211072  Castilleja exserta Huron H. Smith 1912-5-3 4911 Los Angeles Azusa 243 Comment
  RSA596045  Castilleja foliolosa Tim S. Ross, J. Mark Porter 1995-5-4 8411 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR139425  Castilleja foliolosa Fay A. MacFadden 1931-3-17 11 E Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  RSA586685  Castilleja foliolosa Orlando Mistretta, Mark A. Elvin 1995-5-10 1700 A Los Angeles Bare Mountain Canyon 1463 Comment
  UCSB5974  Castilleja foliolosa Waian, Lee 1960-4-10 Los Angeles near Sheldon Road; 1 mile west of Foothill Blvd; in the Hansen Dam Basin Comment
  RSA239497  Castilleja grisea E. R. Blakley 1963-12-8 6396 Los Angeles San Clemente Island: canyon head above Mosquito Cove and between Triangulation Points Malo and Chenity 305 Comment
  SBBG19175  Castilleja grisea M. A. Piehl 1965-12-7 631053 Los Angeles SE tip from Pyramid Head and opposite Triangulation Pt "Rock" 9 Comment
  NY28966  Castilleja grisea P. H. Raven 1962-5-10 17735 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SFV13211  Castilleja miniata W. M. Perry Oct 1980 129 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  RSA643109  Castilleja minor subsp. spiralis Orlando Mistretta, Joe Mistretta 1992-9-22 821 Los Angeles San Gabriel Mountains: Pacific Crest Trail, between Cloudburst Summit and Cooper Camp. Comment
  SBBG93637  Castilleja plagiotoma A. Kingsbury 1983-4-7 60 Los Angeles Bob's Gap, 0.25 mi E of Limekiln ruins 2.7 mi S of Pearblossom Hwy on 165th E 1243 Comment
  RSA579452  Castilleja subinclusa subsp. subinclusa Tim S. Ross, Steve D. Boyd 1994-6-23 8047 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  UC1871023  Caulanthus amplexicaulis T. S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  RSA590704  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, S. D. Boyd 1990-5-23 2633 Los Angeles Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon. 1456 Comment
  RSA594534  Caulanthus amplexicaulis var. amplexicaulis L. C. Wheeler 1967-5-9 9368 Los Angeles Aliso Canyon, east of Acton, ca. 1 mi. downstream from Wagon Wheel Ranch. 1173 Comment
  UCSB2280  Caulanthus coulteri B., K. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  SBBG13500  Ceanothus arboreus P. H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit rd 243 Comment
  CAS-BOT-BC48759  Ceanothus crassifolius Le Roy Abrams; E. A. McGregor 1908-7-5 672 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains Comment
  SEINET12209839  Ceanothus crassifolius G. L. Moxley 1916-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC49260  Ceanothus cuneatus Le Roy Abrams 1902-3-13 3128 Los Angeles Border of San Gabriel wash, near Azusa Comment
  UCD111754  Ceanothus cuneatus Daryl Koutnik 1978-3-16 118 Los Angeles south of intersection of Cornell and Agoura Roads. 274 Comment
  UCD170932  Ceanothus greggii R. G. Swinney 2009-5-28 10963 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR229144  Ceanothus greggii Dan S. Cooper 2011-5-5 511- 61 Los Angeles Transverse Range; San Gabriel Mountains, Portal Ridge, east of Three Points, 6.1 mi southeast (148 deg. ) of Neenach 1331 Comment
  UCR223092  Ceanothus integerrimus R. G. Swinney 2009-6-2 11008 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCSB36662  Ceanothus integerrimus Brownell, Kathleen 1980-5-18 Los Angeles 2.5 mi. N on Mt. Baldy Rd. 83; San Gabriel Mtns; Angeles National Forest 1127 Comment
  RSA647310  Ceanothus integerrimus Marion P. Harthill 1971-3-28 118 Los Angeles Cold Spring Dam, CA. Comment
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Jun 1 2015
  RSA654209  Ceanothus leucodermis Fred Brooks 1988-5-7 29 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. Comment
  UCSB36649  Ceanothus leucodermis Brownell, Kathleen 1980-5-18 Los Angeles Intersection of Mt.Baldy Rd. and Glendora Ridge Rd; San Gabriel Mtns; Angeles National Forest 1219 Comment
  RSA133470  Ceanothus megacarpus Peter H. Raven, H. J. Thompson 1959-4-3 13908 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  LA32006  Ceanothus oliganthus Peter H. Raven; Henry J. Thompson 1959-4-3 13919 Los Angeles Santa Monica Mountains, Saddle Peak; about 0.7 mile NE of summit 807 Comment
  LA43646  Ceanothus oliganthus W. R. Ernst; April 1947 sn Los Angeles San Gabriel Mountains, San Gabriel Canyon Comment
  RSA399741  Ceanothus oliganthus H. L. Bauer 1932-03 15375 Los Angeles Chaparral N slope along road to Saddle Peak. 671 Comment
  SBBG54063  Ceanothus oliganthus var. oliganthus A. Griffith 1962-11-15 4499 Los Angeles Chantry Flat, Big Santa Anita Cyn Comment
  CAS-BOT-BC63306  Ceanothus spinosus Peter H. Raven 1956-6-17 9428 Los Angeles NW. of Sunset Blvd., Santa Monica Mts. Comment
  CAS-BOT-BC63343  Ceanothus spinosus Geo. B. Grant 1901-4-21 s.n. Los Angeles Griffith Park. Comment
  OBI44915  Ceanothus vestitus David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20065 Los Angeles San Gabriel Mts. Along Big Pine hwy W of Jackson Lake Comment
  SBBG4600  Ceanothus vestitus H. and M. Dearing 1949-4-11 6768 Los Angeles W Mojave Desert, San Gabriel Mtns Comment
  UCR137734  Ceanothus vestitus L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA702830  Celtis australis Scott D. White 2004-4-23 10233 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
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Sep 14 2006
  POM351505  Centaurea melitensis Anstruther Davidson 1892-09 s.n. Los Angeles E. Los Angeles. Comment
  SD69377  Centaurea solstitialis Robert F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island; Middle Ranch Canyon. 214 Comment
  UCR95167  Centaurium davyi R. F. Thorne 1966-4-28 36246 Los Angeles Channel Islands, Santa Catalina Island, near junction of Wrigley Drive and Renton Mine Road 91 Comment
  JEPS46929  Centaurium venustum Chas. J. Lovell 1941-7-2 Los Angeles Altadena San Gabriel Mts. Comment
  RSA593399  Centaurium venustum Steve Boyd, Orlando Mistretta 1996-5-23 8822 A Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC22690  Centaurium venustum Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA177670  Centranthus ruber Robert F. Thorne, Percy C. Everett 1965-5-11 34679 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  UC1587736  Centranthus ruber Tim Ross 1991-4-21 4498 Los Angeles along Turnbull Canyon Road (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills, pro parte) 274 Comment
  UCR190245  Centranthus ruber R. G. Swinney 2000-5-25 7786 Los Angeles San Gabriel Mtns., Azusa, 0.3 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 244 Comment
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Oct 29 2010
  SBBG60911  Centromadia parryi subsp. australis M. N. Ackley 1930-8-14 238 Los Angeles Eagle Rock 182 Comment
  UC62948  Centromadia pungens subsp. pungens Ernest Braunton 1903-6-1 899 Los Angeles Glendale to Burbank; L. A. River Comment
  RSA605502  Centrostegia thurberi Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  UCSB1369  Centrostegia thurberi Ralph, F. 1960-4-1 Los Angeles on N side of Calif HWY 138, 9.0 miles E of its jct with the road to Valyermo & Big Pines E of Pearblossom and 0.6 miles W of jct of the road to Victorville. Mohave Desert Comment
  UC584111  Centrostegia thurberi var. thurberi David D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi s of Palmdale Comment
  UCR252778  Cerastium glomeratum R. G. Swinney 2010-3-10 11795 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  CAS-BOT-BC388303  Cerastium glomeratum Geo. B. Grant 1903-3-1 s.n. Los Angeles Monrovia Comment
  RSA723829  Ceratonia siliqua Thomas Poon, Sarah Primrose, Amy Tran, Veronica McClellan, Lyanne Dominguez 2007-9-15 s.n. Los Angeles Claremont. Scripps College campus at the southwest corner of Jaqua Quadrangle. Comment
  CAS-BOT-BC400185  Ceratophyllum demersum A. Eastwood 1906-5-31 90 Los Angeles Bimini Baths Comment
  UC481490  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1931-8-3 Los Angeles 1 mi e of Palmer Canyon (San Antonio Mountains); San Antonio Mountains 609 Comment
  CAS-BOT-BC137244  Cercocarpus betuloides var. blancheae June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Summit Comment
  LA88739  Cercocarpus traskiae Robert F. Thorne; Reed C. Rollins, D. Propst, R Carolin 36736 Los Angeles Santa Catalina Island, 1 mi. WNW of Salta Verde Pt Comment
  LA88741  Cercocarpus traskiae Karen Searcy; 1967-5-1 40 Los Angeles Santa Catalina Island, Gully 1 mi. WNW Salta Verde Point Comment
  RSA449455  Cercocarpus traskiae Blanche Trask 1902-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC535375  Chaenactis artemisiifolia Ira W. Clokey, B. Templeton 1929-5-1 4489 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  POM183624  Chaenactis artemisiifolia Joseph A. Ewan 1929-5-25 s.n. Los Angeles W of Griffith Park Comment
  JEPS34182  Chaenactis glabriuscula var. glabriuscula Samuel B. Parish 1887-6-1 1934 Los Angeles Comment
  RSA0080972  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-4-28 12400 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA596030  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, J. Mark Porter 1995-5-4 8442 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC221537  Chaenactis glabriuscula var. glabriuscula A. D. E. Elmer 1902-6-1 3702 Los Angeles Acton Comment
  POM351748  Chaenactis glabriuscula var. glabriuscula James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  POM175384  Chaenactis santolinoides West 1930-7-12 s.n. Los Angeles Near north Baldy Peak. Comment
  RSA639829  Chaenactis stevioides R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54998 Los Angeles San Gabriel Mts: Grassy slopes above Little Rock Creek below dams 976 Comment
  SBBG65609  Chaenactis stevioides R. Hoffmann 1929-5-19 Los Angeles between Big Rock Crk and Los Angeles Recreation Park Comment
  RSA660076  Chaenactis stevioides Orlando Mistretta 1992-5-25 418 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  RSA592287  Chaenactis xantiana L. C. Wheeler 1967-5-12 9422 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA0115077  Chamaesyce Steven A. Junak 2000-10-12 SCa- 1414 Los Angeles Santa Catalina Island. Middle Canyon, along N side of Thompson Reservoir, NW side of reservoir. 204 Comment
  RSA596023  Chamaesyce albomarginata T. S. Ross, J. Mark Porter 1995-5-4 8436 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA719633  Chamaesyce maculata R. G. Swinney 1998-2-16 5896 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  POM222618  Chamaesyce melanadenia L. S. Rose 1934-12-26 34521 Los Angeles San Gabriel Canyon Comment
  RSA498536  Chamaesyce melanadenia L. C. Wheeler 1931-12-20 399 Los Angeles Roberts Canyon 366 Comment
  RSA569535  Chamaesyce melanadenia Freda Detmers 1929-6-13 s.n. Los Angeles Lower Santa Anita Canyon Comment
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Jul 30 2013
  RSA578986  Chamaesyce polycarpa var. polycarpa T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7427 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; southerly coastal bluffs near 154-foot triangulation point, 1875 m SE of Inspiration Point. 21 Comment
  RSA70403  Chamaesyce serpillifolia subsp. serpillifolia F. W. Peirson 1921-6-20 2445 Los Angeles North Fork of San Gabriel River 457 Comment
  RSA549173  Cheilanthes covillei T. S. Ross, Peter Fritsch 1990-6-20 3692 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  RSA641504  Cheilanthes covillei L. C. Wheeler 1967-7-25 70530 Los Angeles San Gabriel Mts., Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  POM17282  Cheilanthes newberryi Philip A. Munz 1923-5-1 7777 Los Angeles Puddingstone Canyon, San Dimas 244 Comment
  UCR204033  Chenopodium R. G. Swinney 2001-9-16 8157 Los Angeles San Gabriel Mountains, 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake 2207 Comment
  SBBG132338  Chenopodium album J. Savage, W. Fair, J. Lambert 2003-8-25 Los Angeles VC3 sandpile Comment
  RSA478378  Chenopodium album Gertrude Dunn 1931-3-28 s.n. Los Angeles Palos Verdes Comment
  RSA423252  Chenopodium ambrosioides Joseph A. Ewan 1931-7-4 4725 ` Los Angeles Pacoima Canyon, 1/2 mile below dam Comment
  RSA423409  Chenopodium ambrosioides George R. Johnstone 1931-10-24 s.n. Los Angeles Twin Lakes. Comment
  POM17582  Chenopodium atrovirens P. A. Munz 1923-8-30 7659 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  POM307321  Chenopodium berlandieri Henry J. Ramsey, Henry J. Ramsey 1937-8-7 2218 Los Angeles Sand Canyon, San Gabriel Mountains Comment
  UCR126350  Chenopodium berlandieri A. C. Sanders 2003-8-6 27115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 335 Comment
  UCR204570  Chenopodium berlandieri R. G. Swinney 2005-8-5 8387 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR95513  Chenopodium botrys L. C. Wheeler 1966-10-6 8955 Los Angeles San Gabriel Mtns., Buckhorn guard station Angeles Crest Highway Comment
  UCR68927  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4266 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  SBBG131494  Chenopodium californicum S. A. Junak, B. Collins 1991-4-24 SCI 195 Los Angeles just N of Eel Cove Cyn 45 Comment
  RSA230682  Chenopodium fremontii R. F. Thorne, M. Z. Thorne 1969-7-9 38561 Los Angeles San Gabriel Mountains, Angeles National Forest: upper part of large, wet sloping meadow at Big Pines 2073 Comment
  UCR13734  Chenopodium multifidum O. F. Clarke 1973-8-4 s.n. Los Angeles San Gabriel Valley, Pomona, corner of 9th and Locust Streets. 76 Comment
  RSA478530  Chenopodium multifidum Freda Detmers 1929-10-2 s.n. Los Angeles Los Angeles: Riverdale along curb at 34th and McClintock. Comment
  RSA478545  Chenopodium murale Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  RSA650316  Chenopodium murale Don Black 1948-4-20 s.n. Los Angeles Found 1 mi. North of 101 highway, El Rio. 22 Comment
  UCR194600  Chenopodium pratericola R. G. Swinney 1998-9-4 6909 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA594658  Chenopodium pumilio L. C. Wheeler 1945-9-20 6157 Los Angeles San Gabriel Mountains. Kinneloa ( Sycamore ) Canyon. 335 Comment
  UCR66734  Chenopodium pumilio L. C. Wheeler 1932-7-2 00894 Los Angeles San Gabriel Mtns., San Dimas Canyon 457 Comment
  RSA600808  Chenopodium pumilio L. C. Wheeler 1966-11-23 9143 Los Angeles San Gabriel Mountains. West Fork San Gabriel Canyon. Comment
  RSA604307  Chenopodium pumilio L. C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Sawpit Canyon near intersection of Monrovia Canyon trail with Vassar Canyon, north center. 579 Comment
  UCR26461  Chenopodium rubrum A. C. Sanders 1981-9-12 2341 Los Angeles Mojave Desert, Edges of the large marsh at the W end of Rosamond Dry Lake 694 Comment
  UCSB71667  Chenopodium strictum var. glaucophyllum Gross, LeRoy 2001-11-10 Los Angeles Los Angeles Basin region; Verdugo Mountains, north side, off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road, (Hostetter Mountainway), road parallels freeway east till road forks off on the right; (Burbank: T2N R14W S30) 457 Comment
  RSA747228  Chorizanthe procumbens R. G. Swinney 2008-4-7 8618 Los Angeles San Gabriel Mtns. Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  JEPS108274  Chorizanthe spinosa David Gowen 2005-5-11 311 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  CAS-BOT-BC244658  Chorizanthe staticoides James L. Reveal 1988-5-17 6789 Los Angeles Along the Bouquet Canyon Road east of Bouguet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction of San Franciscito Road 1127 Comment
  RSA777922  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2010-5-20 5153 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  SBBG33700  Chorizanthe staticoides V. Soza with S. Boyd 2002-4-10 1396 Los Angeles Del Sur Ridge, E side of Haskell Cyn, along fire rd 6N18 just below Pk 2508 686 Comment
  SDSU4935  Chorizanthe staticoides D. F. Howe 1947-5-4 1571 Los Angeles Mint Canyon. Comment
  UCR127012  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  RSA0031451  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-5-3 2628 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  SBBG118737  Chorizanthe watsonii L. Gross with P. Morton 2004-6-9 1360 Los Angeles W end of the main crest; from S of Pacific Crest Trail along Rd 7N23, to the NW corner of Sec 3 and the W end of Sec 12, W of Bear Gulch Camp 1732 Comment
  RSA90904  Chrysothamnus nauseosus subsp. bernardinus F. W. Peirson 1918-9-7 226 Los Angeles Trail along west slope of Mt. Markham 1615 Comment
  UC1583154  Cirsium occidentale Tim Ross and Steve Boyd 1990-5-14 2504 Los Angeles Tujunga Ranger District Angeles National Forest, San Gabriel Mountains, Yerba Buena 1130 Comment
  CAS-BOT-BC285401  Cirsium occidentale var. californicum Geo. W. Garrettson 1954-7-21 s.n. Los Angeles Puente Hills Comment
  RSA0059662  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-2 S 4457 Los Angeles Descanso Canyon, Santa Catalina Island. 100 Comment
  UCD130817  Cirsium vulgare Daryl Koutnik 1978-6-24 553 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  RSA439220  Cirsium vulgare D. A. Young 1969-5-24 p 476 Los Angeles 1/2 mile from gate 6 of Puddingstone State Park off of San Dimas Ave in a canyon 300yards, NW of road. 305 Comment
  CAS-BOT-BC438748  Cistanthe monandra A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21998 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot, ca. 5 mi. SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation. 1000 Comment
  CHSC22112  Clarkia bottae Robert A. Schlising 1968-7-6 2897 Los Angeles Santa Monica Mts. along Mulholland Dr. 1.4 miles west of Jct. with San Diego Hwy. Roadside. Comment
  POM155765  Clarkia bottae M. L. Bryan 1928-4-20 85 Los Angeles Mandeville Canyon, near Santa Monica. Comment
  RSA449279  Clarkia bottae C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA453477  Clarkia bottae Bonnie C. Templeton 1930-6-17 1097 Los Angeles Franklin Canyon, north of Beverly Hills. Comment
  RSA507976  Clarkia bottae Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UC1018329  Clarkia bottae H. Lewis and M. Lewis 1946-7-14 31 Los Angeles 0.6 mi from Sepulveda Blvd. (North Sepulveda Way); Santa Monica Mts. Comment
  UC535310  Clarkia bottae Ira W. Clokey, B. Templeton May 1929 4534 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UCSB4352  Clarkia bottae Ballard 1954-5-27 Los Angeles Little Dalton Canyon 350 Comment
  RSA702091  Clarkia cylindrica Scott D. White, Pam DeVries 2004-5-18 10422 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  UCR184349  Clarkia cylindrica A. C. Sanders 2007-4-19 33455 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CAS-BOT-BC172014  Clarkia epilobioides Robert F. Thorne; P. Everett 1965-5-12 34627 Los Angeles Bulrush Canyon, Santa Catalina Island 243 Comment
  RSA72216  Clarkia heterandra F. W. Peirson 1923-6-9 3551 Los Angeles Pine Canyon near Elizabeth Lake. 1189 Comment
  POM153246  Clarkia purpurea subsp. quadrivulnera C. L. Hitchcock 1928-5-1 53 Los Angeles Evey s Canyon, near Claremont. 274 Comment
  UCR269122  Clarkia rhomboidea Orlando Mistretta, Christine Mistretta 2011-6-23 5724 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  LA45505  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR273389  Claytonia parviflora R. G. Swinney 2011-3-18 14149 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA725141  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 62 A Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. 1444 Comment
  UCR270892  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-4-20 14427 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  RSA729104  Claytonia perfoliata R. G. Swinney, D. W. Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  UCR16570  Claytonia perfoliata Karl Bernhard 1967-5-13 s.n. Los Angeles San Gabriel Mtns., County road N3; [vicinity of Lucas Creek] 5 miles from turnoff from Angeles Crest Highway 1067 Comment
  UCR182268  Claytonia perfoliata R. G. Swinney, Dave Larson 1998-4-26 6035 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  RSA527674  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4293 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC1136719  Claytonia perfoliata subsp. intermontana G. T. Nordstrom 1935-4-4 380 Los Angeles 2.8 mi w Gorman; Tejon Quad. 1310 Comment
  LA200781  Claytonia perfoliata subsp. mexicana A. M. Johnson; 1928-2-16 122 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA716917  Claytonia perfoliata subsp. mexicana LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2457 Los Angeles Along the main crest, just west of a Radio Tower. With Sheep Corral Canyon draining the north side and Wildwood Canyon drainig the southern side. 928 Comment
  SBBG97036  Claytonia perfoliata subsp. mexicana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4360 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  SD113928  Claytonia perfoliata subsp. perfoliata Darley F. Howe April 1915 58 Los Angeles Claremont Comment
  LA52248  Clematis lasiantha Carl Epling; L. Ellison 1929-3-30 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SD234158  Clematis lasiantha Virginia Pinkus Ryder 1964-7-1 242 Los Angeles Road to Mount Wilson, off Angeles Crest, Angeles National Forest. 1562 Comment
  POM98216  Clematis lasiantha Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA522459  Clematis ligusticifolia Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4045 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  UC75415  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles San Antonio Canyon near Claremont; San Antonio Canyon Comment
  UCSB12509  Clematis ligusticifolia Breedlove, Dennis 1961-9-24 Los Angeles Middle Ranch Canyon; 0.5 mi above Ben Weston Beach Santa Catalina Island 60 Comment
  LA29165  Clematis pauciflora Mary V. Hood; 1940-11-3 40 185 k Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Pacific Palisades. 60 Comment
  RSA526076  Cleome isomeris Steve Boyd 1990-4-6 4175 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack. 152 Comment
  POM122979  Cleomella obtusifolia Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  UCR187107  Cnicus benedictus A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32244 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  RSA555354  Collinsia bartsiifolia var. davidsonii D. Charlton 1991-5-21 5223 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  SBBG15796  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles near Lancaster Comment
  SBBG44398  Collinsia bartsiifolia var. davidsonii R. Hoffmann 1931-5-15 Los Angeles Lancaster Comment
  RSA679886  Collinsia callosa LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 845 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  UCR19038  Collinsia callosa John C. Roos 1937-5-31 2032 Los Angeles San Gabriel Mtns., Below Big Pines Comment
  UCR271483  Collinsia parviflora R. G. Swinney 2011-5-3 14570 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UCR205063  Conium maculatum R. G. Swinney 2008-4-4 8609 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  POM3593  Convolvulus arvensis I. M. Johnston 1918-5-19 2000 Los Angeles Near Pomona. 305 Comment
  RSA0043299  Convolvulus occidentalis Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga. 92 Acres Trippett Prop. 289 Comment
  UCR217708  Conyza bonariensis A. C. Sanders, Dan S. Cooper 2010-8-5 38551 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA610973  Conyza canadensis L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: East Fork San Gabriel River, ca. 0.3 miles upstream from Alder Gulch 1226 Comment
  UC53915  Conyza canadensis Ernest Braunton 1902-9-19 672 Los Angeles Los Angeles streets Los Angeles Comment
  RSA0033683  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5435 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  RSA719741  Cordylanthus rigidus subsp. setiger R. G. Swinney, D. W. Larson 1996-8-7 5227 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  CAS-BOT-BC287749  Coreopsis bigelovii W. R. Dudley; F. H. Lamb 1896-6-6 4336 Los Angeles Edge of Antelope Valley near Fairmont, Liebre Mts Comment
  POM356049  Coreopsis bigelovii I. W. Clokey, B. C. Templeton 1929-03 4520 Los Angeles Mandeville Canyon. 350 Comment
  UCR223026  Coreopsis bigelovii R. G. Swinney 2009-4-29 10618 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR264626  Coreopsis bigelovii Mitch Provance, Callen Huff 2009-4-28 10727 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR281152  Coreopsis bigelovii R. G. Swinney 2014-4-30 16246 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA92417  Coreopsis bigelovii F. W. Peirson s.n. Los Angeles Benedicts Canyon, Santa Monica Mts Comment
  CAS-BOT-BC287091  Coreopsis douglasii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  CAS-BOT-BC105690  Corethrogyne filaginifolia Edith A. Purer 1933-10-7 5588 Los Angeles Sand dunes, El Segundo Comment
  CAS-BOT-BC105708  Corethrogyne filaginifolia Alice Eastwood 1915-8-25 4907 Los Angeles Duarte Comment
  SBBG60553  Corethrogyne filaginifolia R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  POM57993  Corethrogyne filaginifolia var. filaginifolia Minnie Reed 1895-8-17 s.n. Los Angeles Pomona. Comment
  RSA239447  Corethrogyne filaginifolia var. filaginifolia E. R. Blakley 1962-10-3 5373 Los Angeles Santa Catalina Island. Banks around Wrigley Reservoir at summit of island road 427 Comment
  RSA397697  Cornus glabrata F. R. Fosberg 1931-7-13 S- 6395 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 50 Comment
  UCR194311  Cortaderia R. G. Swinney 1998-8-5 6654 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  CATA2917  Corymbia ficifolia Sara L. Crockett, Michael Daligdig 1996-10-21 8 Los Angeles Santa Catalina Island: Descanso Beach Club 9 Comment
  RSA651108  Cotula australis Hal Sweet 1953-1-7 s.n. Los Angeles Corner Blanche and Sierra Bonita. Pasadena. Comment
  CATA1530  Crepis setosa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2751 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon 27 Comment
  UC729772  Cressa truxillensis Carl B. Wolf 1932-5-12 3593 Los Angeles Santa Catalina Isl., Little Harbor 3 Comment
  CAS-BOT-BC181052  Crossosoma californicum June Giddings 1924-8-1 s.n. Los Angeles Giddings Hill - Santa Catalina Island Comment
  RSA479356  Croton californicus F. R. Fosberg 1930-7-3 S - 3107 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA480555  Croton californicus James B. McNair 1934-4-16 s.n. Los Angeles El Segundo. Comment
  RSA0113589  Croton californicus Henry J. Ramsey, Henry J. Ramsey 1938-1-2 1363 Los Angeles North Craig Ave., Altadena. Comment
  CATA999  Croton setiger Mark L. Hoefs 1994-7-18 1879 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  UCR145181  Croton setiger June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  CAS-BOT-BC190124  Crypsis schoenoides Timothy S. Ross; Steve Boyd 1994-9-21 8329 Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mountain and on the S side of West Oakdale Canyon drainage. 1155 Comment
  SBBG131541  Crypsis vaginiflora S. A. Junak 1999-7-16 SCa 1047 Los Angeles Little Springs Reservoir 128 Comment
  SBBG131624  Crypsis vaginiflora S. A. Junak 1999-9-11 SCa 1099 Los Angeles W side of upper Buffalo Springs reservoir 432 Comment
  UCR184362  Cryptantha A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller, et al 2007-4-12 33381 B Los Angeles Western Antelope Valley, Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon 976 Comment
  UCR205232  Cryptantha barbigera R. G. Swinney 2008-5-2 8727 B Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA756949  Cryptantha barbigera Orlando Mistretta, Christine Mistretta 2008-4-16 2474 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  LA36511  Cryptantha clevelandii Peter H. Raven; Henry J. Thompson 1960-4-12 15033 Los Angeles 365 Comment
  RSA188379  Cryptantha clevelandii R. F. Thorne, P. Everett 1965-6-22 34887 Los Angeles Santa Catalina Island, upper end of Avalon Canyon along road 244 Comment
  RSA752463  Cryptantha clevelandii Justin M. Wood 2009-4-22 534 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG119251  Cryptantha clevelandii L. C. Wheeler 1973-4-20 Los Angeles Aliso Cyn, ca. 0.5 mi E of Blum Ranch; T4N R12W NW/4 of NW/4 S8 944 Comment
  SBBG34056  Cryptantha clevelandii M. R. Benedict 1971-6-25 Los Angeles Peak 1942, directly S of White Rock, and near triangulation point "Alta", San Clemente Island Comment
  UCR209221  Cryptantha echinella R. G. Swinney 2008-6-17 9051 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR213378  Cryptantha intermedia Dan S. Cooper 2010-3-23 20100323- 03 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, north end of Commonwealth Ave., near entrance to nursery 265 Comment
  RSA0076124  Cryptantha intermedia var. johnstonii T. S. Ross 1992-4-27 6245 Los Angeles Claremont: S side of Indian Hill Mesa, SW of RSA grounds. 393 Comment
  RSA369507  Cryptantha micromeres Martha Hilend 1929-5-14 s.n. Los Angeles Mt. Lowe. Comment
  SDSU21065  Cryptantha microstachys Ian Cain, Natasha Bartely 2010-6-21 1531 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  UCR259157  Cryptantha microstachys R. G. Swinney 2010-8-30 13610 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UCR259965  Cryptantha microstachys R. G. Swinney 2010-3-18 11981 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  RSA681159  Cryptantha microstachys LeRoy Gross, Valerie Soza 2003-5-15 901 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place., Just east of where we started. 396 Comment
  JEPS67707  Cryptantha muricata W. L. Jepson 1935-4-17 17065 Los Angeles Portal Ridge Comment
  LA31581  Cryptantha muricata Henry J. Thompson; 1959-5-24 sn Los Angeles Comment
  UCR147675  Cryptantha muricata Steve Boyd, Amber Maurice 2004-5-18 11313 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  RSA0079393  Cryptantha muricata var. jonesii Pam De Vries 2011-5-4 7763 Los Angeles Southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 501 Comment
  RSA748898  Cryptantha nevadensis var. rigida R. G. Swinney 2008-5-13 8866 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA757199  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-7 2355 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 43 per TRTP survey-2008) 1020 Comment
  RSA353858  Cryptantha nevadensis var. rigida R. F. Thorne 1973-5-11 43572 Los Angeles along Mt. Emma Road, 10 mi. W of Little Rock Creek below the dam 1036 Comment
  SBBG63850  Cryptantha oxygona R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR220269  Cryptantha oxygona R. G. Swinney 2009-4-24 10496 A Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA624653  Cryptantha oxygona L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA0079295  Cryptantha pterocarya var. pterocarya Tim Ross, Steve Boyd, Laurel Arnseth 1991-4-30 4982 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA0079329  Cryptantha pterocarya var. purpusii Barry Burnell 1970-4-24 187 Los Angeles San Gabriel Mts.: 3.2 miles south of Highway 138 on N4. 1371 Comment
  RSA578721  Cryptantha similis T. S. Ross, J. M. Porter 1994-5-1 7570 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA394301  Cucurbita foetidissima G. J. Hollenberg 1928-7-16 s.n. Los Angeles Near Del Rey Palisades. Comment
  UCR261359  Cuscuta R. G. Swinney 2010-3-24 12173 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  POM3645  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. Comment
  POM3665  Cuscuta californica L. R. Abrams 1902-7-5 1560 Los Angeles Azusa. Comment
  UCR258769  Cuscuta californica R. G. Swinney 2010-6-23 13323 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  RSA191148  Cuscuta californica var. breviflora R. F. Thorne, M. Z. Thorne 1967-6-25 37085 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA250488  Cuscuta californica var. californica R. F. Thorne, John Dourley 1967-10-10 37351 Los Angeles Angeles National Forest: Blue Ridge. 2256 Comment
  UCD54441  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 11 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  LA200381  Cuscuta salina var. major Jonathan Sauer; R. O. Baker 1973-5-18 5483 Los Angeles Santa Monica Mountains, Mugu Lagoon, eastern part of marsh Comment
  UCR207603  Cuscuta subinclusa O. F. Clarke 2004-7-11 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco near Pasadena Comment
  UC1409065  Cycladenia humilis var. venusta Robert F. Thorne and J. Dourley 1967-10-3 37297 Los Angeles just n. of summit along summit ridge Mt. Baden-Powell 2804 Comment
  UCR261629  Cylindropuntia californica var. parkeri R. G. Swinney 2010-4-1 12170 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  RSA600670  Cylindropuntia echinocarpa L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Kentucky Springs. 1082 Comment
  SEINET9037441 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2014-1 18260 Los Angeles San Gabriel Mountains, Soledad Canyon, just south of the Vincent Fire Station, north side of Route 14, 10km SSW of Palmdale, 50km NNE of central Los Angeles, granitic grus and silt 940 Comment
  RSA585246  Cynodon dactylon L. C. Wheeler 1933-11-19 2270 Los Angeles San Gabriel Canyon. 335 Comment
  CAS-BOT-BC114759  Cyperus alternifolius Louis C. Wheeler 1933-10-7 2170 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  SD230110  Cyperus difformis Louis C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 1/2 - 3/4 mile W. of Bear Creek. 518 Comment
  POM211780  Cyperus eragrostis L. C. Wheeler 1933-9-26 2127 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  UCR168543  Cyperus esculentus L. C. Wheeler 1932-9-14 1381 Los Angeles Los Angeles Basin, 2 miles north of Covina 152 Comment
  JEPS313  Cystopteris fragilis Ernest Braunton 1932-3-27 1068 Los Angeles San Dimas Canyon; San Gabriel Mts 1066 Comment
  CAS-BOT-BC198208  Cytisus striatus R. E. Riefner, Jr. 2006-6-12 06 -239 Los Angeles East of Sunland Verdugo Mountains, north side of 210 Freeway c. 0.6 mi. west of La Tuna Canyon Rd. intersection - Transverse Range 474 Comment
  IRVC28767  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  RSA669284  Datisca glomerata LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 555 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  CDA36677  Datisca glomerata G. C. Fleischman 1943-8-8 Los Angeles Highway San Gabriel Mountains to Palmdale. 0 Comment
  SFV7534  Datisca glomerata T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1002 Los Angeles Santa Monica Mountains Malibu Creek at Goat Buttes. 183 Comment
  UCR223069  Datura wrightii R. G. Swinney 2009-5-6 10680 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  UCSB8595  Datura wrightii Wedberg, H. 1958-2-22 Los Angeles On Point Dume Comment
  POM8490  Daucus pusillus P. A. Munz 1920-5-15 3945 Los Angeles Santa Monica Mts. Coldwater Canyon. 305 Comment
  RSA616156  Daucus pusillus Valerie L. Soza 1998-5-3 90 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  UCR136826  Daucus pusillus John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR143125  Daucus pusillus F. R. Fosberg 1931-4-12 S- 4573 Los Angeles Channel Islands, Near Jewfish Point, Santa Catalina Island 15 Comment
  RSA470784  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Mosquito Harbor. San Clemente Island Comment
  SDSU4565  Deinandra clementina R. M. Beauchamp 1967-3-17 235 Los Angeles East of Wilson Cove area. Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  CAS-BOT-BC299310  Deinandra fasciculata Louis Kienitz 1935-8-11 s.n. Los Angeles Westwood Drive, Across the street from the University of California Los Angeles campus Comment
  UCSB22167  Deinandra fasciculata Tanowitz, Barry 1974-8-24 Los Angeles Along Hwy. 1 (Pacific Coast Hwy.) and Zumirez Rd., Malibu Comment
  UC854073  Delphinium cardinale Geo. L. Fisher 1920-7-12 120 Los Angeles Mt. Wilson Los Angeles 731 Comment
  SBBG54425  Delphinium cardinale Greg Wright 1971-6-21 177 Los Angeles W of intersection of San Dimas Cyn Rd and Golden Hills Rd, N of San Dimas Cyn Golf Course 365 Comment
  RSA771589  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR189709  Delphinium parishii R. G. Swinney 1998-7-14 6435 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
  RSA68781  Delphinium parishii subsp. parishii F. W. Peirson 1917-5-13 640 Los Angeles Near Big Rock Creek, Mojave Desert; San Gabriel Mountains. Comment
  POM147680  Delphinium parryi Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  CAS-BOT-BC116283  Delphinium parryi subsp. parryi Geo. L. Mosley 1922-6-12 1110 Los Angeles San Francisquito Canyon Comment
  LA52177  Delphinium patens subsp. hepaticoideum Elizabeth McClintock; 1936-3-22 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr. Comment
  RSA152145  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 s.n. Los Angeles Charlton Flats to Chilao Camp, San Gabriel Mts 1524 Comment
  UCR185166  Delphinium patens subsp. montanum Naomi Fraga, Sarah M. Siedschlag 2006-5-17 1678 Los Angeles San Gabriel Mountains, Indian Canyon Road, 4N37 Comment
  RSA0030013  Delphinium patens subsp. montanum M. D. Proctor 1944-4-9 836 Los Angeles Santa Anita Canyon Comment
  RSA138251  Dendromecon rigida subsp. rigida Peter H. Raven 1959-3-8 13841 Los Angeles on Mulholland Drive 5.0 miles east of Beverly Glen Canyon 335 Comment
  UC817049  Deschampsia danthonioides I. Johnston 1917-4-11 Los Angeles Nigger Slough [Laguna Dominguez] Comment
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Dec 15 2010
  SBBG72171  Descurainia pinnata R. Hoffmann 1925-5-7 Los Angeles Ridge Route (US Hwy 99) Comment
  RSA598352  Descurainia sophia L. C. Wheeler 1969-4-19 s.n. Los Angeles Blum Ranch, Aliso Canyon 883 Comment
  PASA1627  Dicentra chrysantha Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  UCR269597  Dicentra chrysantha R. G. Swinney 2011-6-29 15369 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  CAS-BOT-BC402273  Dicentra chrysantha Joseph Andorfer Ewan 1932-7-4 7592 Los Angeles Millards Canyon, San Gabriel Mts. 1188 Comment
  JEPS9741  Dicentra ochroleuca I. W. Clokey and B. C. Templeton 1930-4-2 4615 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  RSA433598  Dicentra ochroleuca Jack Rempel 1934-5-6 18982 Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  RSA0056419  Dicentra ochroleuca Bonnie C. Templeton 1930-6-17 1090 Los Angeles Frank's Canyon, N. of Beverly Hills. Comment
  SDSU11599  Dichelostemma capitatum R. M. Beauchamp 1967-1-28 144 Los Angeles Growing on slope west of the main road below Stone. San Clemente Island. Comment
  RSA656431  Dichelostemma capitatum subsp. capitatum Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 701 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 579 Comment
  SBBG31452  Dichondra occidentalis R. F. Thorne 1966-4-6 35884 Los Angeles above Moonstone Cove 15 Comment
  UCR127061  Dimorphotheca sinuata Mark A. Elvin, Cathleen Weigand 2003-4-7 2439 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, south of Castaic Creek, north of SR 126 297 Comment
  CAS-BOT-BC153189  Diplacus johnstonii LeRoy Abrams 1902-6-30 2588 Los Angeles Summit of Mt. Wilson Comment
  CAS-BOT-BC150658  Diplacus longiflorus Francis W. Pennell 1940-4-19 25143 Los Angeles Route 99, 2 mi. N.W. of Los Angeles 548 Comment
  CAS-BOT-BC150845  Diplacus puniceus Carl B. Wolf 1941-6-25 10894 Los Angeles Santa Catalina Island. Head of Avalon Canyon, below the Wrigley Mauseoleum 121 Comment
  LA201525  Diplotaxis tenuifolia Arthur C. Gibson; 2003-8-12 4881 Los Angeles 4 Comment
  SBBG95217  Distichlis spicata M. B. Dunkle 1928-4-29 1909 Los Angeles near lagoon, Little Harbor Comment
  CAS-BOT-BC43576  Dithyrea californica H. L. Mason 1932-4-1 6858 Los Angeles Mohave Desert. One mile east of Lancaster. Comment
  CAS-BOT-BC41904  Dithyrea maritima Ernest Braunton 1903-4-1 s.n. Los Angeles Playa del Rey. Comment
  RSA276012  Dodecatheon clevelandii subsp. clevelandii Jack Delaini, Larry E. DeBuhr 1974-2-21 27 Los Angeles On high, grassy knoll near main stream of canyon 549 Comment
  SBBG38688  Dodecatheon clevelandii subsp. insulare R. Moran 1941-2-16 571 Los Angeles Middle Ranch 500 Comment
  UCR208159  Dodecatheon clevelandii subsp. sanctarum B. C. Templeton 1968-5-5 11421 Los Angeles Transverse Ranges; Santa Monica Mountains, hills north of Malibu Lake 244 Comment
  SEINET3143514  Dodecatheon clevelandii var. clevelandii G. B. Grant 304 Los Angeles Pasadena Comment
  SD236388  Dodecatheon redolens R. G. Swinney 1998-7-14 6432 Los Angeles San Gabriel Mts.: Columbine Spring, north slope of Pine Mountain Ridge and Flowing into Rairie Fork, 0.3 mi. south Camp Lupine. 2195 Comment
  CAS-BOT-BC41604  Draba corrugata var. corrugata Le Roy Abrams; E. A. McGregor 1908-7-3 610 Los Angeles North Baldy Mountain. San Gabriel Mountains. 2743 Comment
  POM175368  Draba corrugata var. corrugata Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Near north Badly Peak. Comment
  SD148270  Drosanthemum floribundum A. C. Sanders, D. Malueg 2001-5-17 24339 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near west end of Jefferson Blvd. 121 Comment
  UCR129363  Drymocallis cuneifolia var. ewanii F. W. Peirson 1921-6-18 2801 Los Angeles San Gabriel Mtns., Windy [Little Jimmy] Camp, Mt. Islip 2256 Comment
  LA200113  Dryopteris arguta Lawrence L. Kiefer; 1966-4-10 1853 Los Angeles SANTA MONICA MOUNTAINS, Brown Canyon, Beverly Glen Blvd., ca. 2 mi above Sunset Blvd, ravine W of road. 243 Comment
  RSA0105492  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  CAS-BOT-BC67901  Dryopteris arguta Mrs. Frank 1900-2-1 s.n. Los Angeles Sta. Catalina Island Comment
  CAS-BOT-BC427997  Dudleya caespitosa Peter H. Raven; Henry J. Thompson 1959-6-4 14329 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  RSA0081052  Dudleya cymosa R. G. Swinney 2010-6-1 13108 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  UCD101903  Dudleya cymosa subsp. ovatifolia Daryl Koutnik 1978-5-30 505 Los Angeles Cornell Corners on Cornell Road south of Agoura Road. 274 Comment
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Oct 1 2018
  POM220650  Dudleya densiflora L. C. Wheeler 1932-6-26 876 Los Angeles San Gabriel Canyon 335 Comment
  SD90481  Dudleya hassei Robert F. Thorne 1970-3-6 39399 Los Angeles Santa Catalina Island; Indian Rock in Emerald Bay. 14 Comment
  UC1593827  Dudleya hassei Jim Dice, Michael Donoghue and Terry Martin 1983-5-20 347 Los Angeles ca 0.25 km nw Lower Windstock (Hamilton Cove, on slope above rd to beach); Santa Catalina Island Comment
  CAS-BOT-BC428396  Dudleya lanceolata Alice Eastwood 1919-5-29 9009 b Los Angeles San Gabriel Canyon Comment
  RSA397798  Dudleya lanceolata Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA1568  Dudleya lanceolata I. M. Johnston 1917-6-10 1294 Los Angeles Playa del Rey. Comment
  SBBG98197  Dudleya virens F. R. Fosberg 1931-5-18 4890 Los Angeles Little Harbor 2 Comment
  CATA3557  Dudleya virens subsp. insularis Peter J. Dixon 2018-6-18 121 Los Angeles Santa Catalina Island: Channel side; Parsons Landing area, from road crossing above waterfall, 0.5 mi E of Parsons Landing Campground. Rock outcrop in drainage. 0 Comment
  SEINET13276773 Image available Dysphania botrys R. G. Swinney 2011-1 15919 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) (T2N R10W) 649 Comment
  SD215468  Dysphania botrys Louise C. Wheeler 1946-8-27 6250 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek and Big Tujunga Canyon. 868 Comment
  RSA0031362  Echinodorus berteroi Anstruther Davidson 1920-07 s.n. Los Angeles Alamitos. [Los Alamitos] Comment
  RSA702549  Eclipta prostrata Scott D. White 2004-10-15 10778 Los Angeles San Gabriel Mountains: Foothills above Monrovia. Sawpit Canyon below Sawpit Dam. 396 Comment
  RSA631384  Ehrharta calycina Valerie L. Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. 868 Comment
  RSA0011695  Elaeagnus angustifolia T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3336 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  SD69499  Elatine californica Robert F. Thorne 1966-4-6 35898 Los Angeles Santa Catalina Island, at margin of small reservoir below Catalina Airport. 230 Comment
  UCR213450  Elatine californica A. C. Sanders, Dan S. Cooper 2010-4-30 38159 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG106916  Eleocharis macrostachya M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2432 Los Angeles lower Buffalo Springs Reservoir 426 Comment
  CAS-BOT-BC113042  Eleocharis montevidensis I. Johnston 1917-6-14 1909 Los Angeles West of Pomona, wet ground along creek. Comment
  CAS-BOT-BC112217  Eleocharis rostellata Robert F. Thorne; M. Z. Thorne 1967-7-19 37175 Los Angeles Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA590827  Elymus Orlando Mistretta 1992-5-4 218 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA0096625  Elymus X hansenii R. G. Swinney 2011-6-22 15251 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1780 Comment
  RSA549507  Elymus elymoides subsp. californicus Timothy S. Ross, Steve Boyd 1990-6-18 3479 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA230177  Elymus elymoides subsp. elymoides R. F. Thorne 1969-7-2 38209 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  RSA585435  Elymus elymoides subsp. elymoides Timothy S. Ross, Steve Boyd 1990-5-31 2729 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  SEINET6082083  Elymus glaucus Unknown 1948-6-17 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA586030  Elymus glaucus subsp. glaucus Orlando Mistretta 1995-7-12 1923 Los Angeles San Gabriel Mountains: Little Rock Creek Confluence on Little Rock Creek and South Fork fo Little Rock Creek. 1220 Comment
  UCD62256  Elymus glaucus subsp. glaucus Robert F. Thorne; M. Z. Thorne 1967-7-19 37141 Los Angeles San Gabriel Mts., Angeles National Forest, Crystal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1554 Comment
  RSA0045416  Elymus glaucus subsp. glaucus Wendy Boes, Andrew Wheeler 2009-7-13 2009 -034 Los Angeles San Grabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  UCR272967  Elymus glaucus subsp. virescens R. G. Swinney 2011-7-29 15578 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  SFV22106  Elymus trachycaulus R. F. Thorne, J. Dourley 1967-10-10 37362 Los Angeles San Gabriel Mountains 1.5 miles east of Dawson Saddle. Cienega on cool, moist, shaded, north-facing slope by Angeles Crest Highway. 2332 Comment
  UCR256835  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  CATA681  Emmenanthe penduliflora Mark L. Hoefs 1991-4-26 1172 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  RSA233553  Encelia actoni R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42103 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake. 1433 Comment
  RSA725191  Encelia actoni Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -99 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
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Aug 28 2015
  SBBG4425  Encelia actoni C. Bornstein, D. Kershaw 1998-6-4 Los Angeles Del Sur Ridge, Coarse Rd, ca. 1.8 mi N of jct with Bouquet Cyn Rd 647 Comment
  CAS-BOT-BC131200  Encelia californica John Thomas Howell 1928-3-4 3383 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  UC1922585  Encelia californica Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1169 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 518 Comment
  RSA612105  Endolepis covillei Steve Boyd, Kent Hughes 1998-5-5 10184 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  SBBG32264  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  RSA0041816  Ephedra nevadensis Robert F. Thorne, Dick Tilforth 1978-6-21 52330 Los Angeles San Gabriel Mountains: N of Bob's Gap. Comment
  RSA727252  Ephedra viridis R. G. Swinney 1998-6-12 6184 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir. 1500 Comment
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Apr 10 2021
  POM145745  Epilobium canum subsp. canum Thomas Craig 1927-6-19 496 Los Angeles 10 miles west of Ravenna. Comment
  RSA609118  Epilobium canum subsp. canum Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Roberts Canyon at Silver Fish Truck Trail. 640 Comment
  UC74925  Epilobium canum subsp. canum C. F. Baker 1903-8-2 3657 Los Angeles San Antonio Canyon near Claremont Comment
  RSA588517  Epilobium canum subsp. latifolium Bonnie C. Templeton 1932-8-21 s.n. Los Angeles Mt. Baldy 3049 Comment
  RSA652549  Epilobium canum subsp. latifolium Marion P. Harthill 1971-9-25 586 Los Angeles Baden Powell, Angeles National Forest. Comment
  UCR209916  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-25 9301 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  CHSC34421  Epilobium ciliatum subsp. ciliatum Philip A. Silverstone 1978-8-20 315 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km from jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Along small creek. Comment
  RSA594465  Epilobium ciliatum subsp. ciliatum Steve Boyd, Lauren Raz 1996-9-24 8943 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UC56457  Epilobium ciliatum subsp. ciliatum Ernest Braunton 1902-5-10 289 Los Angeles Rivera Comment
  UC625071  Epilobium ciliatum subsp. ciliatum F. R. Fosberg 1931-7-10 S 5370 Los Angeles below spring and in creek bed Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  RSA458702  Epilobium glaberrimum subsp. glaberrimum F. R. Fosberg, Joseph A. Ewan 1931-8-12 5010 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  RSA733772  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 1998-7-29 6534 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m abve canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp. 2110 Comment
  RSA0021018  Epipactis gigantea Duncan S. Bell, Caitlin Elam 2013-7-11 5365 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  UC845349  Epipactis gigantea I. W. Clokey and B. C. Templeton 1936-5-18 5665 Los Angeles San Gabriel Canyon; hillside seep 400 Comment
  POM264915  Equisetum hyemale var. affine L. C. Wheeler 1933-10-14 2172 Los Angeles Shady creek bank. San Dimas Canyon, San Gabriel Mts. 534 Comment
  RSA640898  Equisetum laevigatum L. C. Wheeler 1967-8-2 10292 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  UCR184104  Equisetum laevigatum A. C. Sanders 2007-4-13 33411 Los Angeles Tehachapi Mtns. Foothills, below the entrance road near the gate to the National Cement Plant, along creek c. 0.25 mi south of Kern Co. line 991 Comment
  POM963  Equisetum laevigatum P. A. Munz, I. M. Johnston 1918-5-19 2259 Los Angeles Claremont, west of town in Orange Grove Comment
  SEINET239013 Image available Eragrostis orcuttiana Beecher Crampton 1965-10-27 7589 Los Angeles Ca. 2.6 miles southwest of Saugus US Hwy 99 Comment
  RSA421557  Eremocarpus setiger Edwin Kline 1924-6-22 a.n. Los Angeles foothills, Mt. Wilson. Comment
  SBBG63728  Eremocarya micrantha R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  RSA0034381  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10011 Los Angeles Liebre Mountains region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon. 1706 Comment
  UC23520  Eriastrum densifolium subsp. austromontanum J. H. Barber 1897-6-22 202 Los Angeles Aliso Canyon Comment
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Mar 5 2009
  SD197852  Eriastrum densifolium subsp. elongatum R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  JEPS69109  Eriastrum sapphirinum Frank W. Peirson 1918-6-28 156 Los Angeles foothills e Rubio Canyon; San Gabriel Mts. 609 Comment
  UCR127003  Eriastrum sapphirinum A. C. Sanders, Kim Marsden 2003-6-20 26991 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  RSA0121247  Eriastrum sapphirinum subsp. dasyanthum Leota Brice 1930-5-22 s.n. Los Angeles Mint Canyon. Comment
  SD231203  Ericameria cooperi Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 74 Los Angeles Transverse Ranges: San Gabriel Mountains region: Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash 1444 Comment
  SD41978  Ericameria cooperi var. cooperi Darley F. Howe 1947-5-5 Los Angeles North face of San Gabriel Mountains. 1525 Comment
  RSA305562  Ericameria cuneata var. cuneata Henry J. Ramsey, Henry J. Ramsey 1940-10-13 791 Los Angeles San Gabriel Mountains. 1524 Comment
  RSA93254  Ericameria cuneata var. cuneata F. W. Peirson 1918-10-10 222 Los Angeles Falls in Rubio Canyon 762 Comment
  RSA584328  Ericameria cuneata var. spathulata Timothy S. Ross, Steve Boyd 1991-3-23 4257 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs. 926 Comment
  UC1334668  Ericameria linearifolia Jeannette L. Huber 1969-5-25 975 Los Angeles Chilao San Gabriel Mountains, Chilao (1 mi n of Chilao Fire Station) 1524 Comment
  UCR223357  Ericameria linearifolia R. G. Swinney 2009-5-20 10822 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  JEPS19247  Ericameria palmeri var. pachylepis John Thomas Howell 1927-11-13 3204 Los Angeles near Elizabeth Lake; Liebre Mts. Comment
  RSA661172  Ericameria parishii LeRoy Gross 2001-9-1 446 Los Angeles Verdugo Mountains; north side, Along Hostetter Mountain Way. 610 Comment
  RSA394729  Ericameria parishii var. parishii Keith C. Hughes 1960-10-3 220 Los Angeles San Antonio Canyon. Mt. Range San Gabriel. 762 Comment
  UCR209905  Ericameria parryi R. G. Swinney 2008-7-24 9272 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  RSA754433  Ericameria pinifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1851 Los Angeles San Gabriel River Watershed; on sandbar next to river. 451 Comment
  SD68969  Ericameria pinifolia J. Massey 1965-10-9 999 Los Angeles Wash outside Rancho Santa Ana Botanic Garden Comment
  UC55178  Ericameria pinifolia H. M. Hall 1903-4-1 3758 Los Angeles above Los Angeles; Verdugo Wash Comment
  UC86693  Ericameria pinifolia J. C. Nevin Los Angeles Newhall Comment
  JEPS30699  Ericameria pinifolia Peter H. Raven 1961-10-26 16868 Los Angeles Botanic Garden Claremont, Botanic Garden 259 Comment
  CHSC96048  Erigeron canadensis LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 277 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. 609 Comment
  RSA0021482  Erigeron foliosus Duncan S. Bell, Caitlin Elam 2013-7-11 5354 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UC895842  Erigeron foliosus var. foliosus John I. Carlson 1915-6-13 Los Angeles Avalon Santa Catalina Island, Avalon Comment
  SEINET12315364  Eriodictyon crassifolium C. V. Braun 1974-1 13 Los Angeles ca 1.5 mi W of Newhall Exit, Interstate 5 Comment
  RSA454999  Eriodictyon crassifolium var. crassifolium W. P. Burger 1979-5-18 107 Los Angeles picnic area just east of jct of Angeles Forest Hwy and Angeles Crest Hwy. 915 Comment
  RSA582246  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1936-7-1 4204 Los Angeles Bell Canyon. 945 Comment
  RSA584023  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1990-5-29 2707 Los Angeles San Gabriel Mtns: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging Station. 1236 Comment
  HSC35877  Eriogonum angulosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2171 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  PASA1483  Eriogonum angulosum Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  UCR54652  Eriogonum angulosum S. J. Myers 1988-9-30 s.n. Los Angeles Western Mojave Desert, Palmdale area, north of Elizabeth Lake Road, near the intersection with 25th St. West 841 Comment
  RSA756128  Eriogonum angulosum Orlando Mistretta, Christine Mistretta 2008-4-30 2565 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  SBBG158  Eriogonum baileyi R. Hoffmann 1927-8-31 Los Angeles 2 mi W of Acton Comment
  UCSB6812  Eriogonum baileyi Hoffmann, Ralph 1927-6-14 Los Angeles Palmdale Comment
  UCD99774  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-17 10034 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Creek drainage, at head of Cienaga Canyon. Comment
  RSA226036  Eriogonum brachyanthum Robert F. Thorne, C. W. Tilforth 1971-6-29 40661 Los Angeles San Gabriel Mountains, Angeles National Forest: Lttle Rock Creek, just below Little Rock Forestry station, 1/2 mi. below Little Rock Dam 945 Comment
  UCR164527  Eriogonum brachyanthum T. B. Salvato, Sandra Murcia 2005-11-8 1284 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel from Palmdale Blvd to Avenue Q, east of 51st Street 805 Comment
  POM214308  Eriogonum cinereum Louis C. Wheeler 1931-11-11 344 Los Angeles Topanga Canyon, Santa Monica Mountains 305 Comment
  POM279946  Eriogonum cinereum Arthur L. Cohen 1934-8-2 481 Los Angeles Topango [Topanga] Canyon, Malibu Mountain Range, Topango Canyon Watershed. 30 Comment
  CAS-BOT-BC241938  Eriogonum cithariforme John Thomas Howell 1947-7-18 23382 Los Angeles Mill Creek, San Gabriel Mts. 1371 Comment
  UC1032151  Eriogonum davidsonii N. French 1934-5-11 350 Los Angeles 1 mi ne Ravenna; Tujunga Quadrangle Comment
  SDSU6544  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside road in Topange Canyon. Comment
  CDA12157  Eriogonum elongatum var. elongatum A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  JEPS56996  Eriogonum elongatum var. elongatum Louis C. Wheeler 1931-10-17 26 Los Angeles 2 mi n Claremont 411 Comment
  SEINET11937915  Eriogonum fasciculatum M. T. Doutt 1931-1 633 Los Angeles Sierra Madre Mts., trail between Mt. Lowe and Mt. Wilson Comment
  UCR186600  Eriogonum fasciculatum subsp. polifolium T. B. Salvato, Sarah Flack 2007-8-8 3042 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  CAS-BOT-BC253260  Eriogonum fasciculatum var. foliolosum W. R. Dudley 1907-12-8 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  RSA650868  Eriogonum fasciculatum var. foliolosum Gene Cooper 1961-4-1 s.n. Los Angeles [Chantry] Flats, Above Altadena. Comment
  CAS-BOT-BC250109  Eriogonum fasciculatum var. polifolium C. F. B. 1903-8-2 3454 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  RSA600133  Eriogonum fasciculatum var. polifolium Steve Boyd, Lauren Raz 1997-5-28 9833 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR212794  Eriogonum fasciculatum var. polifolium Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1787 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon], near San Dimas Canyon Creek trail 398 Comment
  SD114056  Eriogonum giganteum Darley F. Howe 1953-4-2 2433 Los Angeles Wain Canyon, Santa Catalina Island Comment
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Jun 10 2014
  RSA5989B  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  UC1872969  Eriogonum giganteum var. giganteum John Knapp, Denise Knapp 2003-4-13 10 Los Angeles Catalina Island Comment
  UC6311  Eriogonum gracile A. J. McClatchie 1892-9-5 46 Los Angeles near Pasadena Comment
  UC6440  Eriogonum gracile Wm. H. Brewer 1860-12-14 67 Los Angeles in canyon Sierra Santa Monica Comment
  POM180162  Eriogonum gracile var. gracile Joseph A. Ewan 1931-10-24 5276 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  CATA2006  Eriogonum grande var. grande Steven A. Junak, Mark Hoefs, Keri Kirkland 1997-11-14 480 Los Angeles Santa Catalina Island: W end of beach at Emerald Bay 6 Comment
  UCR210206  Eriogonum heermannii R. G. Swinney 2008-8-14 9438 Los Angeles San Gabriel Mtns., confluence of Big Rock Creek and Fenner Canyon 1640 Comment
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Oct 23 2020
  JEPS56852  Eriogonum inerme Frank W. Peirson 1921-6-15 2452 Los Angeles Pine Flat San Gabriel Mountains, Pine Flat 1676 Comment
  RSA249799  Eriogonum maculatum Robert F. Thorne, C. W. Tilforth 1973-4-20 43002 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA393686  Eriogonum mohavense T. W. Minthorn 1925-5-30 s.n. Los Angeles Palmdale ? Comment
  RSA766125  Eriogonum nudum var. pauciflorum Raymond J. Dobbs 1927-11-1 s.n. Los Angeles Waterman Station. San Gabriel Mts. 976 Comment
  SBBG64120  Eriogonum nudum var. pauciflorum R. Hoffmann 1927-9-9 Los Angeles E end of Pine Cyn Comment
  CAS-BOT-BC266938  Eriogonum parishii James L. Reveal; C. Rose Broome 1987-6-25 6574 Los Angeles San Gabriel Mountains, along the Angeles Cress Highway (California Highway 2) at milepost 59.0, 1.2 miles west of Kratka Ridge Ski Resort and 5.2 miles west of the junction of California Highway 39 1981 Comment
  JEPS56544  Eriogonum parishii Frank W. Peirson 1923-8-31 4004 Los Angeles 4 mi e Big Pines Camp (summit of Blue Ridge); Blue Ridge 2590 Comment
  JEPS56460  Eriogonum pusillum Frank W. Peirson 1921-7-2 4203 Los Angeles Pallett Creek San Gabriel Mts., Pallett Creek Comment
  CAS-BOT-BC267602  Eriogonum saxatile H. E. McMinn 1926-7-22 1772 Los Angeles Bear Flat Trail, Mt. San Antonio Comment
  CAS-BOT-BC262865  Eriogonum thurberi Peter Kamb 1948-6-26 1125 Los Angeles Tujunga Wash near Sunland 350 Comment
  CAS-BOT-BC263600  Eriogonum trichopes A. D. E. Elmer 1902-6-1 3642 Los Angeles Palmdale Comment
  CHSC112546  Eriogonum umbellatum var. minus Duncan S. Bell; Caitlin Elam 2013-8-1 5552 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  UC6465  Eriogonum umbellatum var. munzii Harvey M. Hall 1895-8-12 216 Los Angeles S. Antonio Mts. 2133 Comment
  RSA761704  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-10-10 9571 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC265000  Eriogonum wrightii var. subscaposum Louis C. Wheeler 1968-7-23 s.n. Los Angeles North side of Burkhart Saddle, San Gabriel Mountains 2103 Comment
  RSA0062624  Eriogonum wrightii var. subscaposum R. G. Swinney 2010-9-9 13760 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1994 Comment
  CAS-BOT-BC297942  Eriophyllum confertiflorum I. M. Johnston 1917-7-15 1452 Los Angeles San Antonio Mts. Head of S Fork Lytle Creek 1828 Comment
  POM147460  Eriophyllum confertiflorum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA545330  Eriophyllum confertiflorum Timothy S. Ross 1992-4-14 6155 Los Angeles San Clemente Island. Central E side of island; just below the mouth of Nanny Canyon on the rocky, rutted slope that drains northward. 137 Comment
  UCR281868  Eriophyllum confertiflorum Mitch Provance 2010-5-20 510- 15 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  RSA0035038  Eriophyllum confertiflorum Bruce Haines 1962-4-5 173 Los Angeles Mint Canyon Campground, 7.7 miles Northeast of Solemint on U.S. 6. 609 Comment
  SEINET8687232 Image available Eriophyllum confertiflorum G. B. Grant s.n. Los Angeles Pasadena Comment
  CATA158  Eriophyllum confertiflorum var. confertiflorum Mark L. Hoefs, A. Douglas Propst 1973-3-14 119 Los Angeles Santa Catalina Island: West side of White's Landing, on bank behind beach 7 Comment
  LA95404  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; 1969-5-4 5469 -TCE Los Angeles Santa Monica Mountains, La Tuna Canyon, 0.5 mi N of PC Hwy 76 Comment
  UC535037  Eriophyllum confertiflorum var. confertiflorum Victor Duran 1933-7-8 3502 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  CAS-BOT-BC308364  Eriophyllum nevinii Geo. B. Grant 1897-9-25 s.n. Los Angeles Santa Catalina Island Comment
  JEPS5362  Eriophyllum pringlei F. W. Peirson 1921-5-19 1386 Los Angeles San Gabriel Mts., Little Rock Creek 1036 Comment
  RSA92397  Eriophyllum pringlei F. W. Peirson 1917-5-12 1386 Los Angeles County public camp ground in Mint Canyon, northwest corner of San Gabriel Mts. Comment
  RSA0034355  Erodium botrys A. C. Sanders 2007-4-19 33432 Los Angeles Hills north of Oso Canyon and south of the National Cement Plant, Seen only in one place today: 34 deg 48 02N, 118 deg 44 52W. 1006 Comment
  RSA653643  Erodium botrys S. Koukol, E. Lutz 1998-4-26 14 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 424 Comment
  RSA391769  Erodium botrys Jack Rempel 1932-2-22 s.n. Los Angeles El Segundo. Comment
  RSA0095252  Erodium cicutarium R. G. Swinney 2011-5-6 14583 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  UCR186907  Erodium cicutarium A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32031 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA0056377  Erodium cicutarium James R. Shevock 1970-2-27 21 Los Angeles Above Sylmar. 335 Comment
  LA200512  Erodium moschatum Carl Epling; M. Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA512060  Erodium moschatum Louis C. Wheeler 1967-5-13 9505 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  UC10533  Erysimum capitatum J. Burtt Davy May 9 1896-May 24 1896 2468 Los Angeles near Manzana; Antelope Valley Comment
  LA204347  Erysimum capitatum var. capitatum Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  CAS-BOT-BC55209  Erysimum suffrutescens I. Johnston 1917-6-10 1312 Los Angeles Playa del Rey. Comment
  SD124799  Erysimum suffrutescens A. C. Sanders 1986-7-30 6823 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr. east of Vista Del Mar Blvd. 29 Comment
  CAS-BOT-BC403178  Eschscholzia californica Geo. B. Grant 1904-5-5 6199 Los Angeles Arroyo Seco Canyon Comment
  SBBG70157  Eschscholzia californica R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  RSA433660  Eschscholzia californica Elbert Benjamine 1929-3-15 74 Los Angeles San Clemente Island. Pasture land. Comment
  RSA582966  Eschscholzia californica var. peninsularis Tim S. Ross, Janet Takara 1993-4-23 6938 Los Angeles Santa Catalina Island, SW part of the island in Cape canyon. 284 Comment
  RSA316363  Eschscholzia minutiflora Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54987 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA248853  Eschscholzia ramosa Robert F. Thorne 1973-4-11 42873 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  SBBG131818  Eschscholzia ramosa S. A. Junak, B. Collins 1991-4-24 SCI 201 Los Angeles overlooking cove, S side of Eel Cove Cyn Comment
  UCR177930  Eucalyptus camaldulensis LeRoy Gross 2001-9-1 445 Los Angeles Los Angeles Basin:, Verdugo Mountains; north side, along the bottom of Hostetter Mountain Way where road is paved, parallel with 210 freeway 549 Comment
  UCR260019  Eucalyptus camaldulensis R. G. Swinney 2010-3-30 12109 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA420814  Eucrypta chrysanthemifolia F. R. Fosberg 1931-3-27 4412 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 60 Comment
  RSA612172  Eucrypta chrysanthemifolia Valerie L. Soza, J. Gural 1997-4-10 33 Los Angeles Bernard Field Station of the Claremont College, NW corner of Mills Ave and Foothill Blvd. 412 Comment
  UCR260337  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  UC1584870  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-4-8 4470 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' quad. (w Pomona) 335 Comment
  RSA628890  Eucrypta chrysanthemifolia var. chrysanthemifolia Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  JEPS33741  Eulobus californicus I. W. Clokey and B. C. Templeton 1930-4-8 5357 Los Angeles San Francisquito Canyon 800 Comment
  LA200639  Eulobus californicus Norman A. Cole; May 1964 425 Los Angeles Santa Monica Mountains, Santa Rosa Valley Canyon, Arroyo Santa Rosa; Camarillo Road 22 Comment
  UCD40977  Euphorbia albomarginata Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1601 Los Angeles Antelope Valley Poppy Reserve. Comment
  UCR23597  Euphorbia albomarginata John C. Roos 1942-9-26 1728 Los Angeles Westwood Village, Los Angeles 90 Comment
  RSA602025  Euphorbia crenulata L. C. Wheeler 1964-6-8 8478 Los Angeles San Gabriel Mountains: West Fork Palmer Canyon. Comment
  UCR51912  Euphorbia dendroides Adelina Munoz 1988-4-16 87 Los Angeles Transverse Range; San Gabriel Mtns, Angeles National Forest, Big Santa Anita Canyon, from Roberts Dam along stream to Water Trail 305 Comment
  RSA0107271  Euphorbia peplus Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-6-11 SCa- 706 Los Angeles Santa Catalina Island. NE side of island, at mouth of small canyon just SE of Frog Rock. 3 Comment
  RSA432456  Euphorbia peplus Anstruther Davidson 1917-07 3259 Los Angeles County Hospital Comment
  RSA606911  Euphorbia peplus L. C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  UCR179731  Euphorbia serpillifolia R. G. Swinney, Dave Larson 1996-7-17 5138 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA158215  Euphorbia spathulata P. H. Raven 1962-5-9 17675 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  UCR239952  Euthamia occidentalis R. G. Swinney 2009-11-16 11643 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  SBBG31431  Festuca arundinacea R. F. Thorne 1967-5-18 36861 Los Angeles Middle Bullrush Cyn 243 Comment
  UCR180377  Festuca arundinacea Scott D. White, Pam Devries 2006-5-9 11414 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  RSA0103786  Festuca microstachys R. G. Swinney 2011-4-20 14461 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR126857  Festuca microstachys A. C. Sanders 2003-4-29 26182 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  LA14247  Festuca perennis Joseph Andorfer Ewan; 1932-7-11 7477 Los Angeles Vany Nuys Estate on Lima Drive Comment
  SD69458  Festuca perennis Robert F. Thorne, P. Everett 1965-6-23 34985 Los Angeles Santa Catalina Island: near Hotel St. Catherine in Descanso Canyon 14 Comment
  RSA674665  Filago californica Scott D. White, Kent Hughes 2000-5-17 7887 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  UCR138998  Filago californica L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., W side of Bear Creek, off West Fork of San Gabriel River 655 Comment
  POM145795  Filago californica Marcus E. Jones 1928-4-8 s.n. Los Angeles Johnson's Pasture, Claremont Comment
  RSA158206  Filago californica Peter H. Raven 1962-5-8 17604 Los Angeles San Clemente Island: second canyon south of Seal Cove 30 Comment
  SEINET269178  Filago gallica Scott D. White, Chet McGaugh 1995-5-16 3063 Los Angeles E edge of Santa Susana Mts. W of San Gabriel Mts. 'Sunshine Cyn'. W of San Fernando Rd. and I-5 Fwy just SW of intercha 457 Comment
  SBBG11101  Foeniculum vulgare D. E. Breedlove 1961-9-23 1289 Los Angeles Middle Ranch Crk, 1 mi from ocean 91 Comment
  SEINET10454760  Foeniculum vulgare Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4792 Los Angeles Santa Catalina Island; Catalina Conservancy Land. Eastern most Bumpgate in Middle Canyon, along Middle Canyon Trail (Road). Between Middle Ranch Junction and Cape Canyon Trail. 8-9 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 250 Comment
  RSA523170  Foeniculum vulgare T. S. Ross 1991-2-23 4113 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/4 air mile W of Turnbull Canyon Rd. x Skyline Dr. 252 Comment
  SD38876  Foeniculum vulgare Edith A. Purer 1931-5-21 Los Angeles Puente Comment
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Jul 11 2010
  POM19066  Forestiera pubescens P. A. Munz 1923-5-25 6821 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA202998  Forestiera pubescens James Henrickson 1966-4-17 2262 Los Angeles 6 miles NWW of Palmdale (Leona Valley). Comment
  SEINET3860296  Forestiera pubescens R. G. Swinney 2009-4-24 10482 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  SD114270  Frangula californica subsp. californica Darley F. Howe no date 8 Los Angeles Claremont Comment
  UCR280758  Frangula californica subsp. tomentella R. G. Swinney 2014-4-30 16303 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA391395  Frankenia grandifolia H. E. Hasse 1889-7-30 s.n. Los Angeles Near Los Angeles Comment
  CAS-BOT-BC217358  Frasera neglecta Le Roy Abrams; E. A. McGregor 1908-7-5 628 Los Angeles Swartout Canyon, San Gabriel Mountains 1981 Comment
  POM11659  Frasera neglecta P. A. Munz 1921-6-17 4619 Los Angeles San Antonio Mountains: Head of Swartout [Swarthout] Valley. 2073 Comment
  POM50304  Frasera neglecta A. D. E. Elmer 1902-6-2 3609 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC223414  Fraxinus dipetala Tim Ross 1992-7-26 6784 Los Angeles Liebre Mountains. North foot of Red Mtn on the S side of Ruby Canyon stream ca 320-360 m WNW of Ruby Spring 792 Comment
  RSA609055  Fraxinus dipetala Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Dimas Canyon. 640 Comment
  CAS-BOT-BC478183  Fraxinus uhdei R. E. Jr. Riefner 2015-8-23 15 -345 Los Angeles Universal City, along E side of Barham Blvd., vicinity of Craig Drive 233 Comment
  UCR270869  Fraxinus velutina R. G. Swinney 2010-9-9 13793 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  JEPS42904  Fremontodendron californicum Frank W. Peirson 1918-6-17 116 Los Angeles Rock Creek. San Gabriel Mts. 1524 Comment
  RSA652041  Fremontodendron californicum D. Bartholomew 1961-5-24 s.n. Los Angeles Between Cypress Ave. and Covina Blvd. on Valley Center Ave., Covina. Comment
  UC1293712  Fremontodendron californicum P. C. Everett, E. K. Balls 1959-5-22 23804 Los Angeles Big Rock Creek, N. slopes San Gabriel Mts., from Valyermo 1371 Comment
  RSA632859  Fritillaria pinetorum Robert F. Thorne, Robert Frampton 1971-6-27 40983 Los Angeles San Gabriel Mountains: Angeles National Forest, West Baldy Peak. 2987 Comment
  SFV7622  Galinsoga parviflora T. Gordon, J. Gordon, K. Kimbrough 1975-7-20 1097 Los Angeles San Gabriel Valley San Marino. Huntington Library. Orange grove adjacent to the mausoleum. Comment
  RSA600174  Galium andrewsii subsp. andrewsii Steve D. Boyd, Lauren Raz 1997-5-1 9666 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA0049485  Galium angustifolium Richard G. Swinney 2010-5-7 12616 Los Angeles San Gabriel/Verdugo Mountains; Tujunga Valley, 150m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA0120153  Galium angustifolium R. G. Swinney 2014-4-30 16287 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA652845  Galium angustifolium Roxanne Smith 1991-5-12 23 Los Angeles Hills about 0.6 mile south-east of Golden Springs and Diamond Bar Blvd. Comment
  UC1584230  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1990-6-6 2869 Los Angeles scree slope sw Piru Pond; Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle 644 Comment
  UC1584245  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1990-6-6 2821 A Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quadrangle, San Francisquito Canyon 926 Comment
  POM367683  Galium angustifolium subsp. angustifolium M. B. Dunkle 1933-7-11 270 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA585414  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-5-29 2688 Los Angeles SE edge of Valyermo: along NE side of Valyermo Rd from ca 3730-3750, then S of the road. 1143 Comment
  LA208348  Galium angustifolium subsp. foliosum John Thomas Howell; M. Hilend 1930-5-2 Los Angeles San Gabriel Mountains, Pacoima Dam Comment
  RSA660127  Galium angustifolium subsp. gabrielense Orlando Mistretta 1992-6-12 537 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC1971208  Galium angustifolium subsp. gabrielense Scott D. White, Dave Bramlet 1998-8-11 7048 Los Angeles WEST OF MT. ISLIP: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Highway 2. Comment
  POM175425  Galium angustifolium subsp. nudicaule Joseph A. Ewan 1930-6-25 2646 Los Angeles Crystal Lake, North Fork San Gabriel River. 1707 Comment
  UC1929528  Galium angustifolium subsp. nudicaule Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1675 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  LA208421  Galium californicum subsp. flaccidum Louis C. Wheeler; 1932-7-2 899 Los Angeles San Gabriel Mountains, Browns Flat--Feen Canyon water trail, San Gabriel Mts 1219 Comment
  UCR143193  Galium catalinense F. R. Fosberg 1931-3-27 S- 4418 Los Angeles Channel Islands, Pebble Beach Road, Santa Catalina Island 50 Comment
  JEPS38125  Galium catalinense subsp. acrispum Theodore Niehaus 1965-4-4 441 Los Angeles lower portion of 1st canyon n Randall Point Light (e side of island); San Clemente Island Comment
  SBBG132208  Galium catalinense subsp. catalinense S. A. Junak 1978-4-15 SCA 027 Los Angeles rd on N side of Cherry Valley, on ridge W of Lion's Head Point 60 Comment
  RSA653388  Galium grande Steve Fischer 1998-7-24 SFCNPS 21 Los Angeles On lower side of Upper Winter Creek Trail. 744 Comment
  RSA678813  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1290 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. 823 Comment
  UC284280  Galium hallii P. A. Munz 1923-5-26 6861 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  RSA772369  Galium johnstonii R. G. Swinney 2009-5-20 10831 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UCR256539  Galium johnstonii Anuja Parikh, Nathan Gale 2011-7-6 3539 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.0 km north of State Hwy 2, Angeles Crest Hwy 1690 Comment
  RSA454420  Galium nuttallii subsp. insulare F. R. Fosberg 1931-4-22 7165 Los Angeles Santa Catalina Island. Ridge above Eagles Nest, Middle Ranch Canyon 200 Comment
  RSA67160  Galium nuttallii subsp. nuttallii F. W. Peirson 1919-3-11 2653 Los Angeles Small Canyon east of Rubio Canyon south base of San Gabriel Mtns. at 1800 ft. 549 Comment
  RSA708808  Galium porrigens var. porrigens Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1153 Los Angeles Ridgetop above McDonald Creek. 412 Comment
  SFV22033  Galium porrigens var. porrigens V. Soza, L. Gross, B. Hogshead 2001-4-18 1153 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. 412 Comment
  UC1586223  Galium porrigens var. porrigens Tim Ross 1991-8-16 5857 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad. (s end) 1720 Comment
  SD217380  Gambelia speciosa Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4430 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  UC1870143  Gamochaeta pensylvanica LeRoy Gross, Valerie Soza 2003-5-15 898 a Los Angeles Transverse Ranges; Verdugo Mountains region: NW side of mountains: N of La Tuna Canyon rd, started at end of Elben Ave. Climbed N to ridgetop, S of McDonald Creek, then E along ridgeline, then came back down into small canyon at end of Elben Place, just E of starting place. 396 Comment
  CAS-BOT-BC186353  Garrya flavescens Le Roy Abrams; E. A. McGregor 1908-7-2 568 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1371 Comment
  UC1122684  Garrya flavescens A. D. Gifford 1935-3-15 459 Los Angeles 1 mi n Warm Springs; Angeles National Forest, Tejon Quad. 762 Comment
  CAS-BOT-BC158016  Garrya veatchii Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 Comment
  RSA392407  Garrya veatchii Louis C. Wheeler 1932-1-15 435 Los Angeles San Antonio Wash 412 Comment
  UCR124170  Garrya veatchii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  CAS-BOT-BC282618  Gastridium phleoides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA747192  Gayophytum R. G. Swinney 2008-6-10 8983 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  POM293124  Geranium carolinianum Lyman Benson 1946-5-13 12084 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. 274 Comment
  SEINET4044526  Geranium carolinianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  RSA735915  Geranium rotundifolium Justin M. Wood 2008-5-31 9 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA0119098  Gilia aliquanta subsp. aliquanta A. C. Sanders 2008-4-25 35102 Los Angeles Transverse Range; Western San Gabriel Mtns.: Slopes west of Old LaLiebre Ranch, south of Hwy 138. 1000 Comment
  UCR125394  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UC1123706  Gilia brecciarum subsp. brecciarum A. D. Gifford 1935-3-27 513 Los Angeles 2.3 mi nne Sawmill Pk.; Tejon Quad., nne of Sawmill Peak Comment
  UCR130058  Gilia brecciarum subsp. brecciarum George K. Helmkamp, E. A. Helmkamp 1998-5-21 4054 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  RSA587399  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1995-4-5 1603 A Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  PASA778  Gilia capitata J. E. Giguette May, '26 Los Angeles Flintridge Comment
  SEINET12320609  Gilia capitata F. Thorne, Tilforth, C. W. 1971-1 41545 Los Angeles San Gabriel Mts., Angeles National Forest 381 Comment
  POM96612  Gilia capitata subsp. abrotanifolia P. A. Munz 1926-4-4 10017 Los Angeles 2 miles north of Saugus. Comment
  RSA470214  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1914-05 s.n. Los Angeles La Crescenta. Comment
  RSA617473  Gilia capitata subsp. abrotanifolia Scott D. White, Pam De Vries 1998-6-23 6764 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  UC1562559  Gilia capitata subsp. abrotanifolia Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7475 Los Angeles Pine Canyon Road along San Andreas Fault (n side of mts (Co Rd N2), steep slope and roadcut on n side of road); San Gabriel Mts. Comment
  RSA470235  Gilia capitata subsp. abrotanifolia B. C. Templeton 1931-5-19 1461 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  RSA469353  Gilia clivorum E. A. Purer, Freda Detmers 1931-3-21 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA652599  Gilia latiflora Orville Armstrong 1949-5-1 s.n. Los Angeles 5 mi. south of Vincent 1067 Comment
  SD231379  Gilia latiflora subsp. davyi Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 90 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. Comment
  UC52832  Gilia latiflora subsp. davyi H. M. Hall 1902-4-30 3045 Los Angeles near Llano (Antelope Valley); , near Llano Comment
  SBBG98522  Gilia nevinii T. Ross 1991-5-23 5494 Los Angeles lower Tota Cyn, E escarpment 80 Comment
  SBBG132072  Gilia nevinii S. A. Junak, B. Collins 1991-4-25 SCI 219 Los Angeles Thirst Cyn, S of rd to SHOBA, REWS ("Pole" on map) 533 Comment
  UC964737  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-27 3048 Los Angeles between Rock Creek and Little Rock Creek (along Los Angeles Co. Park Road, Mohave Desert); Mohave Desert, along Los Angeles Co. Park Road Comment
  CAS-BOT-BC402070  Gilia ochroleuca subsp. vivida Wesley O. Griesel 1962-6-6 s.n. Los Angeles State Hwy. 2, east of Newcomb's Ranch, San Gabriel Mts. 1828 Comment
  RSA0017174  Gilia ochroleuca subsp. vivida George B. Grant 1906-6-16 s.n. Los Angeles Mount Wilson: summit. Comment
  RSA436244  Githopsis diffusa subsp. diffusa Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson's Trail. Comment
  SD125840  Glebionis coronaria Clifton F. Smith 1958-3-30 5692 Los Angeles Manhattan Beach. Comment
  POM19147  Glycyrrhiza lepidota P. A. Munz 1923-5-27 6893 Los Angeles San Gabriel Mountains: Pallett Creek. Comment
  SBBG8230  Glyptopleura setulosa H. and M. Dearing 1933-4-9 2380 Los Angeles Little Rock Cyn Comment
  POM50890  Gnaphalium beneolens L. R. Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  UCR270826  Gnaphalium californicum R. G. Swinney 2011-5-24 14827 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA526526  Gnaphalium californicum Steve Boyd 1990-4-7 4265 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  POM358817  Gnaphalium chilense Anstruther Davidson 1917-06 s.n. Los Angeles Crescenta. Comment
  UCR186754  Gnaphalium luteoalbum T. B. Salvato, Sandra Murcia 2007-3-28 2017 Los Angeles San Gabriel Mountains, Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir 427 Comment
  UCR218014  Gnaphalium stramineum A. C. Sanders, Dan S. Cooper 2010-8-5 38579 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC108965  Goodmania luteola C. G. Pringle 1882-5-24 s.n. Los Angeles Mojave Station. Lancaster Station. Comment
  RSA729349  Grayia spinosa R. G. Swinney 1999-5-1 7099 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  CAS-BOT-BC305254  Grindelia hirsutula Louis C. Wheeler 1946-8-27 6262 Los Angeles San Gabriel Mountains: Sandrock Creek at Pear Blossom [Pearblossom] Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station 1112 Comment
  CAS-BOT-BC305274  Grindelia hirsutula F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  IRVC27658  Grindelia robusta Anstruther Davidson 1915-6-24 s.n. Los Angeles Near Santa Susanna Santa Susanna Mtns Comment
  RSA430047  Guillenia lasiophylla Christopher Davidson 1973-4-7 1894 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1066 Comment
  RSA638218  Guillenia lasiophylla L. C. Wheeler 1969-5-16 s.n. Los Angeles Santa Catalina Island. Fishermans Cove: USC Marine lab. 15 Comment
  RSA527633  Guillenia lasiophylla Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4387 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR95324  Gutierrezia californica P. H. Raven 1961-9-24 16758 Los Angeles Little Tujunga rd., 1.2 mi above jct with Gold Creek Rd. 793 Comment
  UCR95729  Haplopappus squarrosus Lauren Raz 1996-10-23 033 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  UCR89462  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Channel Islands, Santa Catalina Island, SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of 'Quartz' (1252 ft) 398 Comment
  RSA526569  Hazardia cana Steve Boyd, Timothy S. Ross, Arnseth 1990-4-7 4277 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  UC87486  Hazardia cana T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  CAS-BOT-BC307290  Hazardia squarrosa var. grindelioides Geo. B. Grant 1902-8-6 s.n. Los Angeles Avalon Comment
  POM359472  Hazardia squarrosa var. grindelioides Mary H. Ward 1969-12-20 s.n. Los Angeles West of lower Arroyo Park and south of the Colorado Freeway, Pasadena Comment
  RSA0094089  Hazardia squarrosa var. grindelioides Richard G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  SD69583  Hazardia squarrosa var. grindelioides Robert F. Thorne 1966-9-16 36716 Los Angeles Santa Catalin Island; along Renton Mine Road, near upper end Pebbly Beach Canyon. 259 Comment
  UC382616  Hazardia squarrosa var. grindelioides C. F. Millspaugh 1920-3-18 4829 Los Angeles Wells Beach Canyon Santa Catalina Island, Wells Beach Canyon Comment
  RSA595929  Hazardia squarrosa var. obtusa Lauren Raz, S. D. Boyd 1996-10-23 033 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  CAS-BOT-BC306295  Hedypnois cretica Peter H. Raven; Robert F. Thorne 1964-5-7 19034 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  SBBG127981  Hedypnois cretica M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2759 Los Angeles just behind sandy beach, White's Landing 6 Comment
  UCR220242  Hedypnois cretica R. G. Swinney 2009-4-13 10331 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR124674  Helenium puberulum B. C. Templeton 1933-7-21 5043 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  JEPS35459  Helianthus annuus W. L. Jepson 1941-10-28 20650 Los Angeles Peace Valley Comment
  SFV5529  Helianthus annuus W. A. Kelley Feb 1969 s. n. Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. Comment
  POM306252  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1938-6-2 I 368 Los Angeles North Craig Ave., Altadena Comment
  CAS-BOT-BC305694  Helianthus gracilentus C. F. B. 1904-5-1 4719 Los Angeles Claremont Comment
  UCR170445  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25606 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  UC55062  Helianthus nuttallii subsp. parishii E. Braunton 1902-9-1 698 Los Angeles Los Angeles Comment
  RSA89521  Heliotropium amplexicaule P. A. Munz 1954-9-5 20183 Los Angeles Established on vacant lots at Padua Hills, 3 miles north of Claremont 487 Comment
  UC625028  Heliotropium curassavicum F. R. Fosberg 1931-4-29 7166 Los Angeles mouth of Cottonwood Canyon; Santa Catalina Isl. 2 Comment
  SBBG54368  Heliotropium curassavicum var. oculatum L. R. Abrams 1902-6-11 2513 Los Angeles Playa del Rey Comment
  RSA320814  Hemizonia clementina F. C. Boutin 1967-4-23 1634 Los Angeles San Clemente Island: Wilson Cove Comment
  RSA360232  Hemizonia clementina P. A. Munz 1923-4-8 6610 Los Angeles San Clemente Island. Comment
  UCR101216  Hemizonia kelloggii Steve Boyd, L. Raz 1997-6-18 9990 Los Angeles San Gabriel Mtns., Liebre Mountains, along Elizabeth Lake Road in Leona Valley, south of Portal Ridge, 5.1 rd. mi west of intersection with 90th St. W. 1055 Comment
  UC1587704  Herniaria hirsuta subsp. cinerea Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5093 Los Angeles coastal flats wnw new landing field (North Head, San Clemente Island); San Clemente Island, North Head 15 Comment
  CAS-BOT-BC143682  Heteromeles arbutifolia Herman Knoche 1919-6-25 Series A, No. 903 Los Angeles S. Catalina Island, Avalon Comment
  RSA0074433  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 22 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  RSA0075645  Heterotheca grandiflora F. W. Peirson 1918-10-15 281 Los Angeles Foot of Echo Mountain Trail, south base of San Gabriel Mts. 548 Comment
  RSA730755  Heterotheca sessiliflora A. C. Sanders, Mark Elvin, Julie Vanderwier, Kim Marsden 2002-6-18 25102 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills 1 mi. SSW of Castaic Junction, west of Magic Mountain amusement park. 335 Comment
  CAS-BOT-BC311261  Heterotheca sessiliflora subsp. echioides A. J. McClatchie No date on label s.n. Los Angeles Pasadena Comment
  UC166890  Heterotheca sessiliflora subsp. fastigiata unknown 1906-9-14 Los Angeles Pasadena Comment
  POM360432  Hieracium albiflorum Anstruther Davidson 1915-8-1 3088 Los Angeles Camp Baldy. Comment
  SBBG126971  Hieracium argutum A. Parikh, N. Gale 2011-7-14 3555 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 615 Comment
  RSA482882  Hirschfeldia incana Donald R. Bissing 1973-6-2 152 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  SFV20785  Hirschfeldia incana L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 692 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 783 Comment
  RSA631368  Hirschfeldia incana L. C. Wheeler 1967-5-31 9805 Los Angeles Big Rock Creek, 3/4 mile south of Big Rock Springs 1219 Comment
  RSA633362  Hoita macrostachya L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon campground. Comment
  RSA330788  Holodiscus microphyllus Wayne E. Sawyer 1981-7-10 86 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.6 miles from Dawson Saddle 2317 Comment
  RSA11183  Hordeum murinum subsp. glaucum C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  RSA623834  Hordeum murinum subsp. glaucum K. Scott 1921-2-8 s.n. Los Angeles York Blvd., Los Angeles Comment
  CAS-BOT-BC172783  Hordeum vulgare Timothy S. Ross; Steve Boyd 1994-5-4 7633 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA0036151  Hordeum vulgare David Charlton 1991-5-27 5301 Los Angeles Mojave Desert Jct. 90th and C st. west of Palmdale and south of Little Rock on road to Edwards AFB. 944 Comment
  UCR242041  Horkelia cuneata Dan S. Cooper 2012-3-13 312- 15 Los Angeles South Coast, Palos Verdes Peninsula, Vicente Bluff Reserve, northwest of the intersection of Palos Verdes Drive West and Hawthorne Blvd 69 Comment
  POM293791  Horkelia cuneata subsp. puberula Lyman D. Benson 1945-5-11 11713 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  UCR149906  Horkelia rydbergii R. G. Swinney 1999-6-18 7340 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  CAS-BOT-BC213013  Hosackia crassifolia A. D. E. Elmer 1902-6-1 3697 Los Angeles Acton, Mt. Gleason Comment
  UCD106088  Hosackia crassifolia Marian Vincent 1964-6-24 594 Los Angeles Wrightwood Road. Big Pine camping area across the road from Meseal Camp. Comment
  SBBG125442  Hosackia oblongifolia var. oblongifolia A. Parikh, N. Gale 2010-6-16 3305 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1293 Comment
  RSA0019747  Hulsea vestita subsp. gabrielensis Naomi Fraga, Emily Biben, Katie VinZant, Dani Henning 2013-7-12 4337 Los Angeles Of Forest Service Road 4N24 near Mount Gleason. 1616 Comment
  SEINET10622464  Hylocereus undatus Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2567 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  CAS-BOT-BC273561  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles N.W. corner of Sunset Blvd. & Groverton St., Westwood Comment
  RSA0020291  Hypochaeris glabra Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5105 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA150831  Hypochaeris glabra Peter H. Raven 1962-5-9 17693 Los Angeles Just north of Gray, San Clemente Island 427 Comment
  CHSC100693  Iris pseudacorus R. E. Riefner Jr. 2007-4-15 07 -179 Los Angeles Harbor City, Harbor Regional Park and Lake, Bixby Slough, Vermont Ave./Pacific Coast Hwy. UTM 11S 0380774E 3789619N. NAD 83. 14 Comment
  CAS-BOT-BC311705  Isocoma menziesii var. vernonioides Carl B. Wolf 1932-10-4 4223 Los Angeles Santa Catalina Island. Along road to Pebbly Beach about 1/4 mi. from Avalon 7 Comment
  CDA8037  Isocoma menziesii var. vernonioides G. D. Barbe, T. C. Fuller 1973-2-1 881 Los Angeles 0.4 mile east of Trancas Creek, north side of Highway 101 opposite Zuma Beach County Park. 0 Comment
  RSA509586  Iva axillaris L. C. Wheeler 1967-7-23 10162 Los Angeles San Gabriel Mountains: Mojave Desert Slope: Barrel Spring. Comment
  CAS-BOT-BC340170  Jaumea carnosa Peter H. Raven; Henry J. Thompson 1959-9-6 14363 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). At mouth of Malibu Creek 1 Comment
  UC898184  Jaumea carnosa F. R. Fosberg 1931-5-18 S 4895 Los Angeles Little Harbor Santa Catalina Island 4 Comment
  POM361342  Jaumea carnosa F. R. Fosberg 1930-6-26 3047 Los Angeles Lower Ballona Creek 8 Comment
  NY201870  Juglans californica J. B. Walker 1994-8-10 885 Los Angeles 4km S of Gormon, next to I-5 200 Comment
  SD197807  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mountains: Glendora, Wildwood Canyon. 328 Comment
  UC1871030  Juglans californica T. S. Ross, Walter Appleby 1993-5-20 7190 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mts.: vicinity of Wilson Canyon Saddle; San Fernando 7.5' USGS quad; R15W, T3N, NE/4 SE/4 Sec. 9; ca 3110 ft. elevation 947 Comment
  UCR210108  Juncus bufonius R. G. Swinney 2008-10-16 9626 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  CATA1089  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-16 2039 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA899  Juncus bufonius var. bufonius Mark L. Hoefs, Robert F. Thorne 1992-4-1 1732 Los Angeles Santa Catalina Island: Emerald Bay 6 Comment
  UCR142541  Juncus bufonius var. bufonius L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mtns., foot of Holiday Hill Ski Lift [c. 1 mi. SE of Big Pines] 1997 Comment
  SBBG125526  Juncus macrophyllus A. Parikh, N. Gale 2010-6-15 3291 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1295 Comment
  RSA0127379  Juncus oxymeris Louis C. Wheeler 1967-7-20 10138 Los Angeles Aliso Canyon. 1067 Comment
  RSA600365  Juncus rugulosus Steve Boyd, Lauren Raz 1997-5-28 9873 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  JEPS45904  Juncus textilis Louis C. Wheeler 1933-12-24 2347 Los Angeles San Dimas Canyon Dam San Gabriel Mts. 426 Comment
  UCR178944  Juncus textilis R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.3 miles NE of Glendora Mtn. Road 439 Comment
  UCR194765  Juncus textilis Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 710 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park 549 Comment
  CATA828  Juncus xiphioides Mark L. Hoefs 1991-6-17 1420 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  RSA0011363  Juncus xiphioides Orlando Mistretta, Youssef Atallah 2011-8-12 6024 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy 1083 Comment
  RSA604999  Juncus xiphioides L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UC215372  Juniperus californica I. Johnston 981 Los Angeles San Gabriel Wash 152 Comment
  UCR220292  Juniperus californica R. G. Swinney 2009-4-24 10464 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east 1000 Comment
  JEPS11114  Keckiella cordifolia F. M. Reed 1929-7-3 2830 Los Angeles Avalon Santa Catalina Island (canyon above golf links) Comment
  POM257560  Keckiella cordifolia Carl B. Wolf 1932-5-9 3472 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. about 1/2 mi. way to Mexican Houses. 61 Comment
  RSA401757A  Keckiella cordifolia F. R. Fosberg 1931-3-27 S- 4400 Los Angeles Santa Catalina Island, Hamilton Canyon, near Avalon 50 Comment
  RSA583136  Keckiella cordifolia Tim S. Ross 1993-4-22 6914 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak. 419 Comment
  RSA608316  Keckiella cordifolia Louis C. Wheeler 1930-5-24 49 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCR24549  Kochia scoparia O. F. Clarke, A. C. Sanders 1981-10-2 s.n. Los Angeles San Gabriel Valley, Arcadia, SE corner of South Michillinda Ave. and West Foothill Blvd. 206 Comment
  LA200970  Kochia scoparia Carl Wishner; 1989-5-20 1660 Los Angeles 325.0 Comment
  RSA0104506  Kopsiopsis strobilacea Albert E. Ball 1943-10-17 s.n. Los Angeles Mt. Williamson. San Gabriel Range. Comment
  RSA249808  Krascheninnikovia lanata R. F. Thorne, Gary D. Wallace 1973-4-25 43397 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  CDA8064  Kuhnia J. S. Steele Dec 1968 Los Angeles Gardena. 0 Comment
  UCR203228  Lactuca serriola R. G. Swinney 2005-7-21 8317 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  CAS-BOT-BC340580  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 14428 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  SEINET10625746  Lagenaria siceraria Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3893 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  RSA573558  Lagophylla ramosissima Timothy S. Ross 1992-6-15 6582 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills) knoll at the head of the S fork of Sycamore Canyon. 372 Comment
  UCD133632  Lagophylla ramosissima Louis C. Wheeler 1967-6-26 9865 Los Angeles San Gabriel Mountains: Whintey Canyon, near mouth. 434 Comment
  CATA928  Lamarckia aurea Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1785 Los Angeles Santa Catalina Island: North of road between Emerald Bay and Parsons Landing 121 Comment
  SBBG133656  Lamarckia aurea R. F. Thorne 28-Aop-1968 37489 Los Angeles between headwaters of Middle and Graveyard Cyns 91 Comment
  SEINET181909 Image available Lamarckia aurea I. W. Clokey, B Templeton 4512 Los Angeles Mandeville Canyon Santa Monica Mts 400 Comment
  RSA592198  Lamium amplexicaule Louis C. Wheeler 1967-4-9 9186 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Canyon Inn. Comment
  CAS-BOT-BC338117  Lasthenia californica LeRoy Abrams 1903-3-14 3134 Los Angeles San Pedro hills near Rocky Pt. Comment
  CAS-BOT-BC338138  Lasthenia californica M. B. Dunkle 1940-3-17 7401 Los Angeles North ridge, Santa Barbara Island Comment
  SD85038  Lasthenia californica E. R. Blakley 1962-6-9 5178 Los Angeles San Clemente Island. 600 Comment
  RSA749839  Lasthenia coronaria D. Bramlet 2008-3-26 4127 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn. access road, 151 m W of the landfill entrance. Comment
  UC1746469  Lasthenia coronaria B. Pitzer 1996-5-5 2845 Los Angeles San Pedro Hill; Palos Verdes Peninsula; Palos Verdes Hills; San Pedro Naval Comment
  UCR178186  Lasthenia coronaria LeRoy Gross, Valerie Soza 2003-5-15 907 Los Angeles Transverse Ranges; Verdugo Mountains region, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 518 Comment
  CAS-BOT-BC352710  Lasthenia coronaria J. C. Nevin 1952-5-1 s.n. Los Angeles Burbank Comment
  POM307848  Lasthenia coronaria Henry J. Ramsey, Henry J. Ramsey 1938-3-27 2726 Los Angeles San Gabriel Mountains, Eaton Canyon, [above] Altadena. Comment
  RSA396114  Lasthenia glabrata subsp. coulteri C. B. Wolf 1935-3-24 6295 Los Angeles 1 mile north of Buena Park (valley to w of w coyote hills)., [Specimen is 0.1 km W of the Orange County line in L.A. County. Ref; Mr. Fred Roberts and Tom Chester] 53 Comment
  JEPS10020  Lasthenia gracilis W. L. Jepson 1920-5-3 8922 Los Angeles near Newhall Comment
  UCSB10345  Lasthenia gracilis Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 miles E. of Rd. to Acton and 10 mi. E. of Los Angeles Forest Hwy. jct. 914 Comment
  UCR270638  Lathyrus vestitus R. G. Swinney 2011-3-22 14190 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  POM304871  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-3-21 264 Los Angeles Altadena. Comment
  RSA651400  Lathyrus vestitus subsp. laetiflorus J. Lambert, M. Johnson 1955-5-14 16 Los Angeles San Gabriel Canyon. 1066 Comment
  SBBG37665  Lathyrus vestitus var. alefeldii R. Moran 1941-2-23 605 Los Angeles Johnson's Valley 250 Comment
  CAS-BOT-BC321522  Layia glandulosa David D. Keck 1935-3-18 3021 Los Angeles San Gabriel River, 2 mi E of El Monte 91 Comment
  POM361656  Layia glandulosa Anstruther Davidson, H. E. Hasse 1906-6-2 1467 Los Angeles Big Rock Creek. Comment
  UCR190404  Layia glandulosa R. G. Swinney 2001-4-18 7904 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR281316  Layia glandulosa R. G. Swinney 2014-5-7 16408 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  CAS-BOT-BC321516  Layia glandulosa Noel H. Holmgren; Patricia K. Holmgren 1974-4-6 7638 Los Angeles Antelope Valley, 3 airline miles NE of Threepoint. 914 Comment
  SEINET11811301  Layia glandulosa I. Tavares, Brinson, V. 1962-1 273 Los Angeles near Palmdale, 2.7 mi E of Hwy 6, on highway connecting with Angeles Crest Hwy (Hwy 2) Comment
  LA202103  Layia platyglossa W. O. Griesel; 1936-5-3 sn Los Angeles Santa Monica Mountains, Brown Canyon, summit of Beverly Glen Blvd 380 Comment
  SBBG82787  Layia platyglossa M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  UCR215121  Layia platyglossa Sarah C. Pasquini 2008-4-19 22 Los Angeles South Coast, San Pedro, White Point Nature Preserve, c. 300 m off West Paseo del Mar 40 Comment
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Apr 27 2016
  CAS-BOT-BC377805  Layia platyglossa Ernest C. Twisselmann 1962-4-18 6957 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  SD90279  Layia platyglossa subsp. campestris Robert F. Thorne 1973-4-11 42779 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Ranch Canyon. 424 Comment
  UC25895  Lepechinia fragrans Anstruther Davidson Jun 1893 Los Angeles Trail to Mt Wilson, San Gabriel Mountains Comment
  SEINET6045041  Lepidium chalepense Unknown 1997-6-18 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA624578  Lepidium didymum L. C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon; approx. national forest boundary Comment
  CDA29739  Lepidium latifolium D. Chang 2009-7-2 PDR# 1450788 Los Angeles In the vicinity of Calabasas: Malibu Creek State Park. 0 Comment
  UCR190608  Lepidium nitidum R. G. Swinney 1990-3-23 1535 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  RSA527719  Lepidium nitidum Timothy S. Ross, Annette Ross 1991-3-7 4142 Los Angeles Elephant Hill, western Pomona. 230 Comment
  CATA858  Lepidium oblongum Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1667 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SD54845  Lepidium pinnatifidum E. Norland 1963-10-12 Los Angeles South Hawthorne Ave., Torrance. Comment
  SBBG62335  Lepidium strictum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 539 Los Angeles upper portion of rd to Toyon Bay, 0.2 mi from intersection with main rd 411 Comment
  CAS-BOT-BC60035  Lepidium virginicum var. menziesii John Thomas Howell 1928-2-9 3337 Los Angeles On trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mountains. Comment
  RSA609383  Lepidium virginicum var. pubescens L. C. Wheeler 1931-3-29 s.n. Los Angeles San Dimas Wash 372 Comment
  CAS-BOT-BC328083  Lepidospartum squamatum Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon. San Gabriel Mts. Comment
  RSA0114709  Lepidospartum squamatum R. G. Swinney 2011-10-25 15870 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA762330  Lepidospartum squamatum R. G. Swinney 2008-11-30 9863 Los Angeles San Gabriel Mtns.: Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon. 204 Comment
  UC455508  Lepidospartum squamatum I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  UCR108371  Lepidospartum squamatum L. C. Wheeler 1961-6-13 7874 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA0098394  Lepigonum macrothecum Anstruther Davidson 1890-9-6 s.n. Los Angeles San Pedro. Comment
  UCR180223  Leptochloa uninervia R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin 366 Comment
  PASA2013  Leptodactylon californicum Margaret Stason 1931-4-18 Los Angeles near Crystal Lake Comment
  RSA628814  Leptodactylon pungens Scott D. White, Dave Bramlet 1998-6-29 6822 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  UCR259556  Leptodactylon pungens R. G. Swinney 2010-9-7 13693 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA774605  Leptosiphon breviculus R. G. Swinney 2009-7-29 11414 Los Angeles Pacifico Mountain summit 2134 Comment
  SD215609  Leptosiphon breviculus Timothy S. Ross, Steve Boyd 1990-6-18 3526 Los Angeles Ball Flat; 1500 m due north of Jackson Lake, between the Boulder Canyon and Mescal Creek sdrainages. 1743 Comment
  RSA164757  Leptosiphon breviculus Wesley O. Griesel 1963-5-26 793 Los Angeles Between Mile High Ranch & Big Pines 1677 Comment
  CHSC4748  Leptosiphon ciliatus M. MacArthur 1967-6-24 63 Los Angeles .7 mi from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of rd. by intermittent stream bed, Angeles National Forest. 1584 Comment
  RSA468569  Leptosiphon parviflorus Thekla Mohr 1897-05 s.n. Los Angeles Eaton Canyon. Comment
  RSA157784  Leptosiphon pygmaeus subsp. pygmaeus P. H. Raven 1962-5-9 17692 Los Angeles Head of canyon just north of Gray, San Clemente Island. 488 Comment
  CHSC57169  Leptosyne bigelovii Carl W. Hill 1980-4-5 5 Los Angeles Ca 200 yds south of intersection of Hwy I-5 and Gorman, along side of road; 75 mi north of Los Angeles. 1158 Comment
  SFV6456  Leptosyne californica T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 209 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  UCSB16969  Leptosyne californica Meisenbach, C. 1963-5-3 Los Angeles State Highway 138, 3.6 miles west of Victorville junction east of Pearblossom 944 Comment
  UCR209464  Lessingia filaginifolia R. G. Swinney 2008-10-10 9552 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR271601  Lessingia glandulifera var. glandulifera R. G. Swinney 2011-10-13 15792 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  UCR280874  Lessingia glandulifera var. glandulifera R. G. Swinney 2014-5-7 16405 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  CAS-BOT-BC339280  Lessingia glandulifera var. glandulifera Le Roy Abrams 1901-7-21 1909 Los Angeles Claremont Comment
  POM250005  Lessingia glandulifera var. glandulifera E. C. Jaeger 1938-7-1 s.n. Los Angeles Mojave Desert. Comment
  SBBG120142  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects it) and N of Santa Fe railroad, E of San Gabriel River channel 171 Comment
  UCD87756  Leymus triticoides G. L. Stebbins Jr. 1939-6-16 2858 Los Angeles Along US Highway 99 at Gorman. 1097 Comment
  RSA757081  Lilium parryi Richard G. Swinney 2008-9-13 9457 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  CDA20466  Limonium sventenii M. O'Brien 2003-12-12 MOB 26 -03 Los Angeles South Coast; Malibu Creek State Park. Sheet 1 of 2 0 Comment
  JEPS9855  Limosella acaulis Frank W. Peirson 1922-7-5 3155 Los Angeles Small Lake 2 mi w Big Pines (<lake is one of the sources of Mescal Cr. and lies in the westward extension of the Lone Pine-Swartout Valley depression. F. W. Peirson>); San Gabriel Mountains 1859 Comment
  RSA747153A  Linanthus bigelovii R. G. Swinney 2008-5-8 8793 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR272480  Linanthus breviculus Mitch Provance 2016-6-27 616- 16 Los Angeles San Gabriel Mountians, Big Pines, Camp McClellan, N side of Table Mountain Rd. 2171 Comment
  LA52335  Linanthus californicus J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA122988  Linanthus californicus G. T. Nordstrom 1935-2-26 339 Los Angeles 21/2 mi. S.E. of Mouth of Liebre Gulch. 671 Comment
  RSA468441  Linanthus californicus Kenneth R. Montgomery, T. Strid 1973-5-19 73 -68 Los Angeles Site of LASCA Cistus field plot, at Dillon Divide. Comment
  POM97023  Linanthus californicus P. A. Munz 1925-3-18 8924 Los Angeles Newhall Grade. Comment
  RSA73012  Linanthus concinnus F. W. Peirson 365 Los Angeles Summit of Mt. Lowe. Comment
  RSA523350  Linanthus dichotomus subsp. dichotomus G. H. True 1935-3-26 166 Los Angeles Belleview School NW of Palmdale. 732 Comment
  RSA729878  Linanthus pungens R. G. Swinney 1998-9-7 6925 Los Angeles Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain. 2817 Comment
  RSA400305  Linaria canadensis var. texana F. E. Durkee 1906-4-7 s.n. Los Angeles Hollywood Comment
  RSA659853  Linum usitatissimum Orlando Mistretta, Mike Hammitt 1991-5-29 s.n. Los Angeles Monrovia Canyon. 610 Comment
  LA82095  Lithophragma affine O. H. Kappler; 1941-3-15 128 Los Angeles Santa Monica Mountains, W Fork, Las Trancas (Rattlesnake) Canyon 365 Comment
  RSA729537  Lithophragma affine R. G. Swinney 1998-6-16 6973 Los Angeles San Gabriel Mtns.: c. 0.6 mi. north of Cow Canyon Saddle (Glendora Ridge Rd. at Cow Canyon Rd.) near trail to Lookout (Antonio) Mtn. 1524 Comment
  RSA567527  Lithophragma bolanderi T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3923 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  SBBG129324  Lithophragma bolanderi A. Parikh, N. Gale 2012-5-2 3576 Los Angeles W Fork San Gabriel River, 0.8 km E of Cogswell Dam 650 Comment
  UC303427  Lobelia dunnii var. serrata D. L. Crawford Aug. 1915 Los Angeles Mountains near Claremont; Southern California Comment
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Jan 18 2008
  UCR61250  Lobelia dunnii var. serrata R. G. Swinney 1967-7-31 199 Los Angeles San Gabriel Mtns., San Gabriel Mtns, in and near Glendora Wildness Park, Big Dalton Canyon Comment
  RSA100234  Lobelia dunnii var. serrata F. W. Peirson 1924-8-23 5048 Los Angeles West Fork of San Gabriel River. 411 Comment
  RSA670185  Lobelia dunnii var. serrata Ian Swift 2001-7-2 237 Los Angeles Middle Fish Canyon, 1 miles north of Cienega Campground 793 Comment
  UC416547  Lobelia dunnii var. serrata M. Reed 1895-8-22 Los Angeles Sierra Madre Mountains, top of Claremont Claremont; Sierra Madre Mountains, Claremont Comment
  RSA574500  Loeseliastrum matthewsii R. G. Swinney 1993-8-31 2613 Los Angeles Cajon Canyon, SW of jct of Hwy 138 and I-15, in Cajon wash. 945 Comment
  SBBG42307  Logfia filaginoides M. B. Dunkle 1939-4-6 7312 Los Angeles Mosquito Ridge Comment
  RSA758713  Lolium perenne R. G. Swinney 2008-12-2 9913 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 165 Comment
  RSA276003  Lolium perenne subsp. multiflorum Jack Delaini 1974-5-9 195 Los Angeles a few plants scattered along S side of Johnstone Peak Rd. at head of canyon 853 Comment
  UC50704  Lolium temulentum J. H. Barber 1897-4-20 136 Los Angeles near Agric. Exp. Sta. Pomona Pomona; , near Agric. Exp. Sta. Comment
  SEINET12118775  Lomatium caruifolium Unknown 1936-1 12723 Los Angeles Santa Monica Mts., Mt. Malabu Comment
  UC1605243  Lomatium dasycarpum subsp. dasycarpum Tim Ross and Steve Boyd 1993-5-23 7250 Los Angeles ca. 700-840 m. s.e. of saddle between Ruby and Clearwater Canyon (lower e. ridge of Red Mt.); n.w. Los Angeles Co., Liebre Mts., Red Mt., Green Valley Qua 938 Comment
  UCR167211  Lomatium mohavense S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  UCR209488  Lomatium mohavense R. G. Swinney 2008-6-17 9040 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  CAS-BOT-BC240490  Lonicera hispidula Peter H. Raven 1962-5-20 17773 Los Angeles Santa Catalina Island: Avalon Canyon about 1 mile south of Avalon Comment
  CATA2962  Lonicera hispidula Amy Catalano 2016-1-19 003 Los Angeles Santa Catalina Island: Southeastern edge of Big Field, behind old barbed wire fence along road 187 Comment
  SBBG13637  Lonicera hispidula E. R. Blakley 1962-10-5 5421 Los Angeles 1.4 mi up cyn from White's Cove at the water tank 30 Comment
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Apr 16 2012
  LA205976  Lonicera hispidula var. vacillans R. Herley; 1932-4-26 sn Los Angeles Santa Catalina Island, Avalon Canyon Comment
  CAS-BOT-BC234862  Lonicera subspicata var. denudata J. Grinnell 1903-6-27 s.n. Los Angeles Arroyo Seco, near Pasadena Comment
  RSA656860  Lonicera subspicata var. denudata Joseph M. Keefe 2001-1-24 31024 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  SD253425  Lonicera subspicata var. denudata R. G. Swinney 2011-11-3 15990 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre. 622 Comment
  RSA527741  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4309 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA598331  Lotus argophyllus var. adsurgens T. S. Ross 1995-5-20 8593 Los Angeles San Clemente Island. Southwesterly-trending ridge 1640 ft due S of Guse (888 ft) triangulation point. 145 Comment
  RSA771858  Lotus argophyllus var. ornithopus Robert F. Thorne 1973-4-12 42900 Los Angeles San Clemente Island: China Point at end of road. 15 Comment
  CATA1277  Lotus corniculatus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2363 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  UC457227  Lotus grandiflorus Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mountains Comment
  UC864795  Lotus grandiflorus Carl Epling, Nesta Dunn, and Alice Goen 1931-5-16 Los Angeles Swartout Valley San Gabriel Mountains Comment
  CDA27202  Lotus grandiflorus T. C. Fuller 1965-4-26 13378 Los Angeles Santa Monica Mountains; East slope of Saddle Peak, Saddle Peak Road, 1.7 miles west of junction with Tuna Canyon Road, 4.6 miles west of Topanga. 0 Comment
  JEPS55495  Lotus hamatus Frank W. Peirson 1920-5-16 2117 Los Angeles Tujunga San Gabriel Mts. 457 Comment
  RSA406452  Lotus heermannii var. heermannii Geo. L. Moxley 1915-7-4 357 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR125483  Lotus humistratus A. C. Sanders, Mark Elvin 2003-4-14 25960 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR192883  Lotus nevadensis R. G. Swinney 1998-7-8 6344 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  UCR223177  Lotus nevadensis R. G. Swinney 2009-7-22 11319 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  POM156332  Lotus nevadensis var. davidsonii L. R. Abrams 1902-6-30 2604 Los Angeles Mt. Wilson. Sierra Madre Trail Comment
  RSA570342  Lotus nevadensis var. davidsonii T. S. Ross 1991-7-24 5628 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA406209  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1931-8-27 28 Los Angeles San Dimas Canyon 381 Comment
  RSA772392  Lotus procumbens R. G. Swinney 2009-5-12 10717 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg.) of Littlerock. 1061 Comment
  RSA406431  Lotus purshianus var. purshianus M. B. Dunkle 1933-7-11 3657 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  SFV20612  Lotus salsuginosus J. Lyon Jun 1980 s. n. Los Angeles San Fernando Valley About 500 meters north of the Sepulveda Dam Lock, west of the river embankment. Comment
  RSA670034  Lotus scoparius Joseph M. Keefe 2001-1-19 30975 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 385 Comment
  UCR275286  Lotus scoparius subsp. scoparius Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  UCR127970  Lotus scoparius var. scoparius A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26087 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  IRVC26349  Lotus strigosus A. C. Sanders, Andy Thompson 2003-4-15 26014 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  RSA587349  Lotus strigosus Orlando Mistretta 1992-5-4 226 Los Angeles Little Rock Creek, Alimony Ridge 1463 Comment
  UC15693  Lotus strigosus J. H. Barber 1897-4-20 Los Angeles Pomona Comment
  UC1587650  Lotus strigosus Tim Ross 1991-3-9 4195 Los Angeles Whittier Hills (Puente Hills, pro parte) Whittier Hills (at head of un-named canyon draining ene) 304 Comment
  UC80694  Lotus strigosus C. F. Baker 1904-2-17 4006 Los Angeles Claremont Comment
  UCR126719  Lotus strigosus A. C. Sanders, Mark Elvin 2003-4-14 25949 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River 351 Comment
  UCR223499  Lotus strigosus R. G. Swinney 2009-5-28 10951 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR263070  Lotus strigosus Mitch Provance 2008-4-14 10141 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  JEPS55876  Lotus strigosus A. M. Ottley 1920-5-14 684 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  RSA251478  Lotus strigosus var. strigosus R. F. Thorne 1973-4-11 42798 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  RSA0003332  Lotus sulphureus Anstruther Davidson 1892-9-20 s.n. Los Angeles Wilson's Peak. Comment
  CAS-BOT-BC198389  Lupinus albifrons L. R. Abrams 1901-4-1 1230 Los Angeles Ballona Harbor Comment
  RSA0061208  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042007 Los Angeles Old Ridge Rte, after unmaintained section. 413 Comment
  RSA406975  Lupinus albifrons var. eminens F. R. Fosberg 1931-5-12 4849 Los Angeles Descanso Canyon near Coach Road, Santa Catalina Island Comment
  SEINET10488492  Lupinus arboreus David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6846 x 6450 - santa catalina Comment
  SEINET10488503  Lupinus arboreus Kelly 1986-4-30 Kelly 4113 Los Angeles Baldwin hills, near radio towers above co park off la cienega blvd. Disturbed coastal sage scrub. Comment
  RSA649608  Lupinus bicolor Lori Ackerman, Gerald Braden 1988-4-22 20 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA657752  Lupinus bicolor Tim Turmezei 1988-3-2 4 Los Angeles Walnut Creek. Comment
  UCD107280  Lupinus bicolor Daryl Koutnik; Bruce Holguin 1978-4-1 205 Los Angeles W side of Anthony Road, north of Sierra Highway in the Sierra Pelona Valley, 890 Comment
  SDSU4658  Lupinus bicolor Gerald Collier 1951-4-5 3672 Los Angeles About 1 mile inside entrance to North American Testing Grounds; Simi Hills 3 miles norhteast of Chattsworth Lake. Comment
  SEINET7545178  Lupinus bicolor subsp. marginatus D. D. Dunn, C. Epling 1946-1 2129 Los Angeles 0. 9 mi S of Jct. of Hwys 99 & 138, along the valley floor for several miles to the N of the jct. & N of the town of Gorman 1067 Comment
  POM243684  Lupinus bicolor subsp. microphyllus F. R. Fosberg 1931-6-29 4377 Los Angeles Hamilton Canyon, near Avalon, Santa Catlina Island. 100 Comment
  RSA600428  Lupinus bicolor subsp. microphyllus L. C. Wheeler 1933-4-27 1660 Los Angeles San Pedro Hills: NW base. 38 Comment
  SEINET4035701  Lupinus bicolor var. microphyllus R. Moran 1941-1 592 Los Angeles In field, north of Middle Ranch, San Clemente Island. 500 Comment
  RSA339274  Lupinus concinnus R. F. Thorne 1982-4-20 54979 Los Angeles San Gabriel Mts: Mojave Desert slopes; 1/4 -1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA413471  Lupinus concinnus Anstruther Davidson 1893-7-6 s.n. Los Angeles Rock Creek Comment
  CAS-BOT-BC205404  Lupinus excubitus var. austromontanus H. Anderson 1932-3-24 s.n. Los Angeles Hungry Valley Comment
  RSA199044  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 170 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  CAS-BOT-BC216541  Lupinus excubitus var. johnstonii Joseph Ewan 1932-5-29 7184 Los Angeles Summit of Mount Gleason, Occurs over to Upper tujunga divide along high ridge, San Gabriel Mountains 1828 Comment
  SBBG45474  Lupinus formosus D. Emery 1955-4-28 Los Angeles 2 mi N of Rock Crk turn-off on rd to Big Pines Comment
  UCD107744  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  RSA17066  Lupinus formosus var. formosus C. B. Wolf 1936-5-27 7849 Los Angeles Aliso Canyon to Buckhorn flats road, Tie Camp summit 1524 Comment
  POM156284  Lupinus formosus var. formosus L. R. Abrams 1902-6-30 2577 Los Angeles Mt. Wilson. Comment
  UC1587165  Lupinus guadalupensis Tim Ross 1991-5-21 5416 Los Angeles sw side San Clemente Island (upper reaches Box Canyon); , upper reaches Box Canyon 403 Comment
  RSA413686  Lupinus hirsutissimus Robert M. Perkins 1935-3-24 16 Los Angeles San Antonio Canyon.[San Gabriel Mountains] Comment
  UCSB17126  Lupinus hirsutissimus Vernand, Ramona 1963-4-10 Los Angeles 0.7 mi. N of U.S. Highway 66 on San Dimas Canyon Road, San Dimas Comment
  UCR141157  Lupinus odoratus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  JEPS24437  Lupinus peirsonii Charles F. Quibell 1960-5-28 400 Los Angeles on se side of Mount Islip, visible from the Crystal Lake area Mount Islip 2133 Comment
  SD51891  Lupinus peirsonii Wesley O. Griesel 1962-5-28 Los Angeles San Gabriel Mountains. State highway #2 2.5 miles east of Dawson Saddle 2286 Comment
  RSA756962  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2008-4-14 2449 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  SBBG67042  Lupinus sparsiflorus R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  SD43385  Lupinus sparsiflorus Darley F. Howe 1948-5-4 1791 Los Angeles San Gabriel Mountains, Goode Pass 1006 Comment
  CATA475  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles Santa Catalina Island: End of Cat Harbor Road, NE side of Cat Harbor 15 Comment
  LA201748  Lupinus succulentus Arthur C. Gibson; 2001-5-19 4801 Los Angeles Santa Monica Mountains, Solstice Canyon, Solstice Canyon Park, along trail near park entrance Comment
  RSA414301  Lupinus succulentus M. B. Dunkle 1932-5-28 2963 Los Angeles Whites Landing, Santa Catalina Island. Comment
  UCR155920  Lupinus succulentus A. C. Sanders 2005-5-5 29889 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA213356  Lupinus succulentus Reid V. Moran 1941-3-2 666 Los Angeles Between Wilsons Cove and Howlands, Santa Catalina Island 25 Comment
  RSA533434  Lupinus succulentus Tim S. Ross 1991-4-21 4515 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  RSA414363  Lupinus truncatus Anstruther Davidson 1894-04 s.n. Los Angeles Catalina Island Comment
  RSA167104  Lupinus truncatus W. G. Webb 1935-1 s.n. Los Angeles Eagle Rock. Comment
  SBBG12484  Lycium andersonii E. R. Blakley 1958-5-10 2299 Los Angeles Acton Cyn turn-off of US 6 1066 Comment
  SBBG30341  Lycium californicum R. N. Philbrick 1968-2-23 B 68 -5 Los Angeles Little Fisherman Cove Comment
  SBBG22305  Lycium cooperi M. A. Piehl 1963-5-18 63312 Los Angeles foothills just N of Goode Pass 914 Comment
  RSA595588  Lycopersicon esculentum Lauren Raz, Steve D. Boyd 1996-10-23 54 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 610 Comment
  RSA589866  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara 1994-8-4 8209 Los Angeles Santa Catalina Island. SW side of the island, 460m ENE of Carlos triangulation point (972 ft) and 2080m NNW of Quartz triangulation point (1252 ft) 207 Comment
  RSA589871  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 Comment
  SBBG13265  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-9 62321 Los Angeles head of cyn just below (N of) Chenity (S of Mosquito Cove) 304 Comment
  SBBG51685  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -422 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  RSA0011265  Lythrum californicum Louis Greata 1900-08 s.n. Los Angeles Los Angeles Comment
  RSA417686  Machaeranthera carnosa Ralph Hoffman 1931-6-23 s.n. Los Angeles W of Lancaster Comment
  POM20530  Madia elegans subsp. vernalis F. W. Peirson 1923-5-21 s.n. Los Angeles Fish Canyon, San Gabriel Mountains 838 Comment
  POM362162  Madia exigua Anstruther Davidson s.n. Los Angeles Santa Catalina Island. Comment
  POM49797  Madia exigua L. W. Nuttall 1920-6-6 s.n. Los Angeles Cattail Canyon, Santa Catalina Island. Comment
  UCR223449  Madia minima R. G. Swinney 2009-6-3 11039 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC206196  Malacothamnus fasciculatus Alice Eastwood 1917-7-20 6505 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC206206  Malacothamnus fasciculatus Peter H. Raven 1962-5-20 17778 Los Angeles Near Bird Park, Avalon, Santa Catalina Island Comment
  RSA3240  Malacothamnus fasciculatus Carl B. Wolf 1931-6-25 2242 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon) 61 Comment
  SFV7112  Malacothamnus fasciculatus K. A. Wilson 1974-8-21 1438 Los Angeles Santa Monica Mountains 2 miles west of Las Virgenes Road. 300 Comment
  UCR162652  Malacothamnus fasciculatus Mark A. Elvin 2003-8-14 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, mouth of Castaic Creek, south of SR 126 290 Comment
  UCR88662  Malacothamnus fasciculatus Scott D. White 1995-10-19 3708 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SBBG72790  Malacothamnus fasciculatus var. fasciculatus R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) near Sandberg's Comment
  IRVC26311  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Newhall Ranch, Santa Clara River at the mouth of Long Canyon Santa Clarita Valley 274 Comment
  RSA681898  Malacothamnus marrubioides Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9628 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  UC1605451  Malacothamnus orbiculatus Tim Ross, Steve Boyd 1993-5-23 7263 Los Angeles Liebre Mountains Comment
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Jun 16 2014
  UCD23363  Malacothrix californica Sally Jue 1977-4-24 40 Los Angeles Annual herb, flower heads pale yellow; creosote bush scrub, sandy flats, full sun. Beside 230th Street, East, 0.8 mile north of junction with Avenue O. Antelope Valley, about 29 miles east of Lancaster. 853 Comment
  UCR192171  Malacothrix californica A. C. Sanders 2008-4-17 34932 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  RSA616376  Malacothrix clevelandii Scott D. White, Pam DeVries 1998-5-15 6491 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  POM362304  Malacothrix glabrata B. C. Templeton 1930-5-19 1462 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  SBBG95393  Malacothrix saxatilis var. tenuifolia M. B. Dunkle 1928-5-13 1956 Los Angeles Pebbly Beach, by rd Comment
  SFV1130  Malephora crocea K. A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  LA94275  Malosma laurina Norman A. Cole; May 1964 316 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  RSA670158  Malosma laurina Joseph M. Keefe 2001-3-19 31159 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  UCR223728  Malosma laurina R. G. Swinney 2009-6-12 11151 Los Angeles Transverse Range; San Gabriel Mtns., El Encanto Azusa River Wilderness Park 296 Comment
  CAS-BOT-BC540139  Malus pumila Timothy S. Ross; Steve Boyd 1990-5-17 2575 Los Angeles Little Gleason Forestry Planttion: north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and about 2 (air) miles E of Mt Gleason summit; San Gabriel Mountains Acton USGS 7.5' quadrangle 1767 Comment
  SD144452  Malva nicaeensis B. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Rd between Orange St & Walnut St, E of Long Beach Blvd Comment
  RSA177808  Malva parviflora Robert F. Thorne, P. Everett 1965-5-10 34516 Los Angeles Santa Catalina Island. Upper end of Gallagher Canyon. 442 Comment
  SEINET4044586  Malva parviflora D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, East of Corral Canyon Rd. 152 Comment
  RSA434893  Malva parviflora Ida Lou Sayler 1942-4-10 s.n. Los Angeles Vacant lots, south Pasadena Comment
  CDA990  Marah macrocarpa D. G. Kelch 1991-3-24 1338 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  CHSC13875  Marah macrocarpa L. M. Mayer 1974-4-5 125 Los Angeles Big Tujunga Rd. ca 1 mi E of intersection with Mt. Gleason Blvd. Near Tujunga. Comment
  RSA584045  Marah macrocarpa var. macrocarpa T. S. Ross 1992-4-21 6222 b Los Angeles San Gabriel Mountains, Glendora Ridge Road: north margin of road pull-out ca 215 meters NW of Horse Canyon Saddle 1024 Comment
  RSA440981  Marah macrocarpa var. macrocarpa Charlotte Brown 1929-1-13 S.n. Los Angeles Little Santa Anita Canyon Comment
  RSA652412  Marah macrocarpa var. macrocarpa C. R. Parks 1963-9-11 105 Los Angeles Along steep, north slope on upper trail of Winter Creek, above Chantry Flats in Santa Anita Canyon, southern face of San Gabriel Mountains, c. 5 miles north of Arcadia. 1159 Comment
  RSA657364  Marrubium vulgare Joseph M. Keefe 2001-1-19 30953 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  SBBG12655  Marrubium vulgare E. R. Blakley 1962-10-5 5449 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG31367  Marrubium vulgare R. F. Thorne with P. C. Everett 1965-5-10 34428 Los Angeles Cape Cyn 274 Comment
  SEINET4044529  Marrubium vulgare D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA582440  Marrubium vulgare Louis C. Wheeler 1931-4-6 s.n. Los Angeles 2 mi. N of Claremont. 412 Comment
  SFV13511  Marsilea vestita subsp. vestita M. H. Grayum, D. L. Koutnik, B. Balch 1977-12-3 911 Los Angeles San Fernando Valley Basin of Chatsworth Reservoir. 244 Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  UCR90271  Matricaria matricarioides Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  RSA608639  Matricaria matricarioides L. C. Wheeler 1931-3-7 s.n. Los Angeles La Verne. Comment
  CDA34297  Medicago polymorpha M. O'Brien 2011-6-14 MOB 11 -5 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  POM121822  Medicago polymorpha Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  SBBG12325  Medicago polymorpha P. H. Raven 1962-4-9 17130 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR155933  Medicago polymorpha A. C. Sanders 2005-5-5 29894 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  SDSU5046  Medicago polymorpha Gerald Collier 1951-4-7 3688 Los Angeles Edge of beach 80 yards from shore in sand. Zuma beach north of Malibu just off U.S. highway 101. Comment
  RSA177711  Medicago sativa Robert F. Thorne 1965-5-12 34635 Los Angeles Middle Ranch in Middle Canyon, Santa Catalina Island 198 Comment
  OBI81433  Melaleuca viminalis Unknown 2010-5-31 Oct- 41 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, E of Vermont Ave. and N of West Anaheim St. Comment
  CAS-BOT-BC281520  Melica imperfecta L. A. Greata 1900-3-28 s.n. Los Angeles Avalon Comment
  CATA224  Melica imperfecta Mark L. Hoefs, A. Douglas Propst 1973-5-4 214 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  HSC24463  Melica imperfecta Gary D. Cromwell, David Wheat 1971-4-30 596 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains, 2 miles NE of Glendora. 427 Comment
  UC1595260  Melica imperfecta Tim Ross and Peter Fritsch 1990-6-20 3626 Los Angeles mouth of Burro Canyon San Gabriel Mountains (near the confluence of the East and West Forks of the San Gabriel River) 445 Comment
  UC53655  Melica imperfecta J. Burtt Davy 1896-5-17 2328 Los Angeles Llano Verdi Antelope Valley (at Mr Bells) Comment
  UCR223042  Melica imperfecta R. G. Swinney 2009-5-6 10661 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  CATA958  Melilotus albus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1823 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  SEINET3133935  Melilotus indicus Unknown 1902-5-31 2482 Los Angeles Near Inglewood Comment
  RSA652189  Melilotus indicus G. F. Orr 1956-3-12 s.n. Los Angeles At junction of Sepulveda Blvd. and Mulholland Dr., Sherman Oaks. 243 Comment
  RSA0050047  Mentha Wendy Boes, Andrew Wheeler 2009-7-13 2009 -044 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  RSA596465  Mentha canadensis Lauren Raz, Steve D. Boyd 1996-10-23 3 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 610 Comment
  RSA440345  Mentzelia affinis Thekla Mohr 1897-04 s.n. Los Angeles Sierra Madre Comment
  RSA586658  Mentzelia albicaulis Orlando Mistretta 1995-6-1 1746 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA729600  Mentzelia congesta R. G. Swinney 1998-7-10 6383 Los Angeles San Gabriel Mtns.: SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2. 2250 Comment
  POM3030  Mentzelia lindleyi D. L. Crawford 1915-7-5 s.n. Los Angeles Claremont. Comment
  RSA729765  Mentzelia micrantha R. G. Swinney 1998-8-6 6721 Los Angeles upper East Fork San Gabriel RIver, c. 0.25 mi. above confluence of Falls Gulch on west side of river. 1012 Comment
  SBBG122601  Mentzelia micrantha R. Burgess, B. Neiners, C. Davis, P. Munro 1999-4-17 3236 Los Angeles Canton Cyn, NE of Lake Piru, N side of Canton Crk above second narrows 457 Comment
  UC75678  Mentzelia micrantha Geo. B. Grant May 1901 771 Los Angeles Southern California, Mt. Lowe Comment
  RSA11071  Mentzelia veatchiana Carl B. Wolf 1928-3-29 1559 Los Angeles Junction of Pine Canyon road and road to Sandbergs. 3 mi. S.W. of Neenach. 1067 Comment
  RSA746570  Mentzelia veatchiana Orlando Mistretta 1992-5-21 394 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  RSA341618  Mesembryanthemum nodiflorum F. C. Boutin 1967-4-23 1627 -b Los Angeles San Clemente Island: North end of island, at W end of air field runway. Comment
  SBBG83254  Mesembryanthemum nodiflorum M. Daily 1986-4-7 SCa-t- 10 Los Angeles Bird Rock Comment
  POM18220  Mesembryanthemum nodiflorum P. A. Munz 1923-4-13 6786 Los Angeles San Clemente Island. Comment
  CAS-BOT-BC428715  Micranthes californica P. A. Munz; L. Street; G. Williams 1919-4-5 2439 Los Angeles Puddingstone Canyon, San Dimas 274 Comment
  RSA617406  Micropus californicus Scott D. White 1998-5-19 6527 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  UCR186878  Microseris douglasii A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32077 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  JEPS31167  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles n side of canyon on the road to Mexican Mine; Tehachapi Mountains, Tejon Ranch, Oso Canyon 1005 Comment
  UCR238629  Microseris douglasii subsp. douglasii Anuja Parikh, Nathan Gale 2010-5-12 3161 Los Angeles Western Mojave Desert, Antelope Valley, 3.5 km south of Hwy 138, 0.4 km west of 120th St. West, under power transmission lines 785 Comment
  UC92189  Microseris douglasii subsp. platycarpha T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UC65038  Microseris sylvatica S. B. Parish June, 1887 1901 Los Angeles Elizabeth Lake Comment
  UCR183841  Microseris sylvatica A. C. Sanders 2007-4-19 33418 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  LA99490  Microsteris gracilis Hisao P. Arai; 1957-3-16 sn Los Angeles 152 Comment
  LA35263  Mimulus aurantiacus Mary V. Hood; 1936-4-26 36 5 - Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  RSA735250  Mimulus aurantiacus Steve Boyd, Amber Maurice 2004-5-18 11341 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  SDSU10744  Mimulus aurantiacus R. M. Beauchamp 1967-6-3 563 Los Angeles On rocky outcropping on north side of canyon south of Thirst. San Clemente Island. Comment
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May 16 2008
  HSC84133  Mimulus aurantiacus var. pubescens David Charlton 1987-1-31 639 Los Angeles Saddle Peak 610 Comment
  POM7002  Mimulus aurantiacus var. pubescens P. A. Munz, Street, Williams. 1919-4-5 2447 Los Angeles Puddingstone Canyon Comment
  POM73  Mimulus aurantiacus var. pubescens L. R. Abrams 1913-7-18 5020 Los Angeles Russel Lake. Comment
  UCR270473  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-7-7 15424 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  HSC46412  Mimulus aurantiacus var. puniceus Reid Moran 1941-2-26 628 Los Angeles Johnson's Valley, Santa Catalina Island 100 Comment
  RSA408174  Mimulus brevipes Robin S. Collins 1973-4-9 238 Los Angeles Angeles National Forest, San Gabriel Mounts: Trail Canyon. 610 Comment
  UC934016  Mimulus brevipes H. L. Cogswell 1951-6-8 112 Los Angeles w side Bell Canyon (Watershed 4, (Secs. F 7-8, Plot 5)); San Gabriel Mountains 853 Comment
  UCR168409  Mimulus brevipes Fay A. MacFadden 1931-6-10 s.n. Los Angeles Transverse Range, La Tuna Canyon, Verdugo Hills 500 Comment
  RSA517136  Mimulus brevipes Tim S. Ross, S. D. Boyd 1990-5-14 2491 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1149 Comment
  RSA669332  Mimulus cardinalis LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 556 Los Angeles Transverse Ranges; Verdugo Mountains region: North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 425 Comment
  UC1211016  Mimulus cardinalis Huron H. Smith 1912-6-13 5100 Los Angeles Rock Springs Canyon Santa Catalina Island 67 Comment
  RSA188321  Mimulus cardinalis Robert F. Thorne, Percy C. Everett 1965-6-24 35041 Los Angeles Santa Catalina Island: below dam in lower Cottonwood Canyon 38 Comment
  RSA151133  Mimulus floribundus Peter H. Raven, Wesley O. Griesel 1961-10-13 16843 Los Angeles Upper Arroyo Seco, above Switzer's Camp 762 Comment
  RSA435504  Mimulus floribundus F. R. Fosberg 1931-8-12 S- 5599 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  UCR194754  Mimulus floribundus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 716 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  UCR259608  Mimulus floribundus R. G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA156325  Mimulus floribundus L. R. Abrams 1902-7-1 2611 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UC56671  Mimulus fremontii var. fremontii H. M. Hall 1902-4-30 3050 Los Angeles 10 mi w Palmdale; Antelope Valley 838 Comment
  LA201865  Mimulus guttatus Arthur C. Gibson; 2003-6-3 4960 Los Angeles 426 Comment
  POM50172  Mimulus guttatus A. D. E. Elmer 1902-06 3645 Los Angeles Acton, Mt. Gleason. Comment
  SEINET3245936  Mimulus guttatus R. G. Swinney 2009-1 11494 Los Angeles Transverse Range: San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2060 Comment
  RSA0127216  Mimulus guttatus Louis C. Wheeler 1967-7-15 10065 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  RSA611848  Mimulus latidens Steve Boyd, Valerie Soza 1998-4-28 10164 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 537 Comment
  SBBG126129  Mimulus latidens A. C. Sanders 2005-5-11 30131 Los Angeles Plum Cyn, SW of Cruzan Mesa on bench on N side of cyn 573 Comment
  SEINET12269982  Mimulus longiflorus C. L. Abbott 1926-1 3 Los Angeles Los Angeles Comment
  RSA775508  Mimulus palmeri Orlando Mistretta, Christine Mistretta 2010-5-20 5168 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA682517  Mimulus pilosus Scott D. White, Michael Honer 2003-5-7 9188 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  CHSC101711  Minuartia douglasii V. Soza; LeRoy Gross 2002-4-3 1379 Los Angeles Transverse Ranges, Liebre Mountains region; west side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. Comment
  RSA678784  Minuartia douglasii V. Soza, Steve Boyd 2002-4-10 1413 Los Angeles West side of Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 564 Comment
  SBBG69947  Minuartia douglasii R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  SBBG108943  Mirabilis californica S. A. Junak 1997-2-25 SCl 727 Los Angeles just S of Benchmark 516 and Camera Pad "Bud 3" 152 Comment
  SBBG13254  Mirabilis californica M. A. Piehl 1962-6-10 62384 Los Angeles E of Thirst 304 Comment
  RSA0004393  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 7234 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA0027970  Mirabilis laevis var. crassifolia Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 430 Los Angeles Santa Catalina Island. Above Cherry Cove W of Lion Head Pt. 61 Comment
  UC7655  Mirabilis laevis var. crassifolia Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR280657  Mirabilis laevis var. crassifolia R. G. Swinney 2014-5-21 16621 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA464675  Mirabilis laevis var. crassifolia F. H. Elmore 1939-2-18 328 Los Angeles San Clemente Island. Comment
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May 22 2008
  RSA587238  Mirabilis laevis var. crassifolia Orlando Mistretta 1994-5-11 1187 Los Angeles Little Rock Creek. E slopes of canyon W of Basin Campground. 1037 Comment
  RSA599959  Mirabilis laevis var. crassifolia Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. 457 Comment
  UCR186362  Mirabilis multiflora Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mtns. Foothills, east end of Oso Canyon, c. 1.5 mi. north of Hwy 138 976 Comment
  UC7705  Mollugo verticillata A. Davidson Sept 1893 Los Angeles Garvanza; Los Angeles Comment
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Nov 25 2011
  POM4070  Monardella breweri subsp. breweri W. R. Dudley, F. H. Lamb 1896-6-8 4341 Los Angeles At Spragues, Liebre Mts. [an annotation note by Carl Epling reads: Same collection number (Stanford Univ. Herb. 13765) was collected at Edge of Antelope Valley near Neenach, June 6, 1896. ] Comment
  SD65470  Monardella breweri subsp. lanceolata Reid Moran 1967-7-22 14085 Los Angeles Canyon south of Chilao, San Gabriel Mountains. 1550 Comment
  POM222246  Monardella viridis subsp. saxicola Louis C. Wheeler 1936-7-2 4203 Los Angeles San Gabriel Mountains, Bell Canyon. 945 Comment
  POM66744  Monolopia lanceolata Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA785320  Monolopia lanceolata D. Silverman, Cindy Hopkins 2007-4-24 6734 Los Angeles Tejon Ranch, 1000m ESE of National Cement, 1.7km W of California Aqueduct, 500m S of the county line, just N of access road 988 Comment
  CAS-BOT-BC262699  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1600 Comment
  POM210089  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork, Big Rock Creek 1600 Comment
  CAS-BOT-BC275280  Muhlenbergia microsperma E. R. Blakley 1963-12-7 6327 Los Angeles California Channel Islands. San Clemente Island. W of Pyramid Head, S of Lighthouse 38 Comment
  RSA612218  Muhlenbergia microsperma L. C. Wheeler 1932-8-9 1129 Los Angeles 2 miles SW [of] Azusa 107 Comment
  SD72785  Muhlenbergia microsperma F. R. Fosberg 1931-3-19 S 4305 Los Angeles Hamilton Canyon, nr. Avalon, Santa Catalina Island, dry southeast slope 10 Comment
  SEINET3129570  Muhlenbergia microsperma L. R. Abrams 1903-3-11 3111 Los Angeles Sepulveda canyon, Santa Monica Mts Comment
  UCR192567  Muilla maritima A. C. Sanders 2008-4-10 34808 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA660253  Muilla maritima Orlando Mistretta, Peter L. Morrell 1992-6-4 501 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  SFV18073  Myoporum laetum V. A. Devlahovich 1999-4-6 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Stagecoach Trail. 366 Comment
  UCR182714  Myoporum laetum R. G. Swinney 1998-2-16 5893 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  SD85078  Myriopteris newberryi E. R. Blakley 1963-12-7 6349 Los Angeles San Clemente Island, canyon between Pyramid Head and Cove, and south of Triangulation Point Guds 29 Comment
  UC60249  Nassella cernua Dr. A. Davidson Los Angeles Pasadena Comment
  SBBG128214  Nassella lepida M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3187 Los Angeles ridge above KBRT radio station, W of airport rd jct 432 Comment
  CAS-BOT-BC276262  Nassella pulchra Steve Boyd 2004-4-15 10901 Los Angeles Transverse Ranges: Liebre Mountains region: Rowher Flats area, edge of off-highway vehicle staging areas at end of Angeles National Forest road 5N14 Comment
  SBBG98546  Nassella pulchra T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5340 Los Angeles between Box and Horse Cyns 484 Comment
  RSA547439  Nasturtium officinale Timothy S. Ross 1992-5-17 6365 Los Angeles Lower Shoemaker Canyon, draining to the E fork of the San Gabriel River and joining it at 2125 feet elevation 691 Comment
  POM129401  Navarretia atractyloides R. L. Pendleton 1909-7-3 1392 Los Angeles Chicken John's Ranch, Santa Catalina Island. 23 Comment
  SBBG121993  Navarretia fossalis A. Parikh, N. Gale 2003-6-16 761 Los Angeles central part of Cruzan Mesa, 2.7 km W of Sierra Hwy, 0.9 km SW of Vasquez Cyn Rd 655 Comment
  SD28084  Navarretia hamata Carl B. Wolf 1932-5-13 3620 Los Angeles Santa Catalina Island, Hamilton Canyon along ridge fence-line, hillside above canyon 244 Comment
  UC133712  Navarretia hamata J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena Comment
  UCR280400  Navarretia hamata subsp. leptantha Jeremiah George, Eric Kline 2017-4-17 417- 09 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  SBBG127077  Nemacladus pinnatifidus A. Parikh, N. Gale 2011-6-15 3471 Los Angeles N of Aliso Cyn, just E of of Angeles Forest Hwy, 0.4 km N Aliso Cyn Rd; San Gabriel Mtns 1260 Comment
  RSA678235  Nemacladus ramosissimus Valerie L. Soza, S. D. Boyd 2002-4-10 1401 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  RSA421312  Nemophila menziesii Ora M. Clark 1929-3-30 1896 Los Angeles W. of Lancaster Comment
  RSA626981  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-15 9588 Los Angeles San Gabriel Mountains: East side Elsmere Canyon, near mouth. 457 Comment
  RSA426651  Nicotiana attenuata Robert Gustafson 1978-6-21 1032 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  RSA0060116  Nicotiana clevelandii Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  CAS-BOT-BC231565  Nicotiana glauca Jean L. Pawek 1964-9-14 626 Los Angeles San Gabriel Mountains, near Switzer Camp 914 Comment
  CHSC95889  Nicotiana glauca LeRoy Gross 2003-2-22 746 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA450808  Nicotiana glauca A. C. Sanders 1987-12-4 7582 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA611983  Nicotiana glauca Valerie L. Soza, Laura Moore 1997-8-16 60 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  UCD138661  Nothoscordum gracile A. R. Roos 1958-5-2 s.n. Los Angeles Evans and Reeves Nursery, Brentwood, West Los Angeles. Comment
  SBBG66365  Nuttallanthus texanus M. N. Ackley -Feb-1928 1030 Los Angeles near Lankershim 191 Comment
  UC1594377  Nuttallanthus texanus Tim Ross 1992-4-16 6203 Los Angeles 289 degrees wnw and 680 m distant from peak above Stone Station (central part of San Clemente Island); San Clemente Island 416 Comment
  JEPS44060  Oenothera californica W. L. Jepson 1939-4-21 19225 Los Angeles Saugus 356 Comment
  POM183711  Oenothera cruciata Unspecified s.n. Los Angeles On the trail to Flumes 4 & 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  SFV13264  Oenothera deltoides M. J. Thor 1983-4-16 182 Los Angeles Mojave Desert Along Avenue J, west of Saddleback Butte State Park 760 Comment
  CDA5211  Oenothera laciniata John Dolan 1991-4-3 s.n. Los Angeles On botanic garden grounds, around the pond just southwest of the Plant Science Center, Claremont. 0 Comment
  SEINET238927 Image available Olea europaea A. C. Sanders, D. Malueg; K. D. Jones 1999-11-20 23289 Los Angeles Santa Susana Mountains: Aliso Cyn watersheds (Oat Mtn. 7.5' Q.) Olive groves near spring in grassland at edge of oak fil 610 Comment
  UC557627  Opuntia Nell Murbarger 1936-3 94 Los Angeles San Clemente Island; mesa summit Comment
  POM313405A  Opuntia X occidentalis Lyman Benson 1963-3-22 16243 Los Angeles San Gabriel Mountains. Eucalyptus grove above (north of) Cucamonga. 396 Comment
  CAS-BOT-BC56214  Opuntia basilaris var. basilaris Ira L. Wiggins 1937-3-10 8775 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  UCR214604  Opuntia littoralis A. C. Sanders 2003-6-19 26983 Los Angeles Western Transverse Range/Santa Clara River Watershed, near mouth of 'Off-haul Canyon', c. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch 305 Comment
  RSA0076185  Orobanche californica subsp. feudgei Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3739 Los Angeles Pinyon Ridge: western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1706 Comment
  UC1409138  Orobanche fasciculata R. F. Thorne, L. E. DeBuhr 1972-8-18 42254 Los Angeles San Gabriel Mountains, Angeles National Forest: open peak of Mt. Islip. Comment
  RSA0013171  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2011-6-23 5744 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0077926  Orobanche valida subsp. valida Wayne P. Armstrong 1979-8-1 s.n. Los Angeles SE firebreak ridge of Lookout Mountain, W side of ridge. 1798 Comment
  RSA125955  Orthocarpus purpurascens E. K. Balls 1957-6-14 22647 Los Angeles E. bank San Gabriel River. 0.5 mi. W. of Rosemead Blvd. on Beverly Blvd., E. side of Montebello. 396 Comment
  RSA402091  Orthocarpus purpurascens M. Bisbee 1917-4-15 s.n. Los Angeles Low dry hills, e. Eagle Rock Comment
  UC609417  Osmorhiza berteroi Joseph Andorfer Ewan and Nesta Ewan 1936-8-14 10051 Los Angeles Lilly Spring San Gabriel Mts., Mt. Hawkins (n slope of mt.) 2438 Comment
  RSA632435  Osmorhiza brachypoda Valerie L. Soza, LeRoy Gross 1999-7-15 628 Los Angeles San Gabriel Mountains: Mt. Wilson Trail above Little Santa Anita Canyon., Near 34*12'22''N 118*03'22''W 1066 Comment
  RSA392882  Oxytheca trilobata G. R. Johnstone 1926-4-15 s.n. Los Angeles San Francisquito Canyon. Comment
  UCR269586  Oxytheca trilobata R. G. Swinney 2011-6-29 15361 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  RSA595618  Oxytheca trilobata Louis C. Wheeler 1970-8-30 s.n. Los Angeles San Gabriel Mountains. Ridge east of Chimney Canyon. 1677 Comment
  RSA228986  Packera ionophylla R. F. Thorne 1971-8-25 41279 Los Angeles Angeles National Forest: Just N of summit of Mt. Hawkins on saddle between Hawkins & Throop Peak 2667 Comment
  RSA0091108  Paeonia californica R. G. Swinney 2011-3-22 14186 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  UCR150659  Paeonia californica James Henrickson 1985-3-31 19796 Los Angeles c. 3 mi SW of Newhall just south of Calgrove Ave about 0.5 mi east of the freeway 370 Comment
  UCR271817  Paeonia californica R. G. Swinney 2010-4-28 12398 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA434244  Paeonia californica Ella M. Kennedy 1923-3-12 s.n. Los Angeles Arroyo Seco Comment
  UCSB45827  Paeonia californica Green, Lisa 1980-3-22 Los Angeles On hillside about 1/2 mi. E. of Iverson Rd. N. of the Simi Valley Freeway 457 Comment
  RSA0084857  Panicum capillare R. G. Swinney 2010-9-1 13664 Los Angeles Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  CAS-BOT-BC253941  Parapholis incurva Alice Eastwood 1920-4-20 s.n. Los Angeles San Pedro Comment
  RSA177762  Parapholis incurva R. F. Thorne, P. Everett 1965-5-11 34542 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  UC1870193  Parietaria hespera var. californica LeRoy Gross, Valerie Soza 2001-6-6 432 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  RSA535687  Parietaria hespera var. hespera Tim S. Ross 1991-5-23 5480 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 6 Comment
  UCR275548  Parietaria judaica D. E. Bramlet 2010-1-12 4438 Los Angeles South Coast, Oxford Basin, Marina del Rey, between Admiralty Way & Washington Blvd., near the bike path 3 Comment
  UCR133734  Pectocarya anisocarpa F. R. Fosberg 1931-4-16 S- 4655 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 396 Comment
  RSA682622  Pectocarya linearis Scott D. White, Michael Honer 2003-5-7 9210 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UCR189379  Pectocarya linearis R. G. Swinney 1990-3-19 1534 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UC1584707  Pectocarya linearis subsp. ferocula Tim Ross 1991-3-24 4312 Los Angeles Whittier Hills 310 Comment
  CHSC34617  Pectocarya penicillata James Henrickson 1973-5-12 9592 Los Angeles 9 miles SW of Little Rock, .2 miles S of Mt. Emma Rd., along Hwy N3. 1188 Comment
  UC1595471  Pectocarya recurvata Tim Ross 1992-4-4 6094 Los Angeles sw Mojave Desert, Adobe Mountain 926 Comment
  SBBG118585  Pectocarya setosa L. Gross with O. Mistretta, V. Soza 2003-5-13 866 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  SBBG63503  Pectocarya setosa R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA0110587  Pedicularis semibarbata R. G. Swinney 2011-8-5 15590 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  SD237624  Pedicularis semibarbata R. G. Swinney 2008-7-24 9283 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  UC496534  Pedicularis semibarbata T. Craig 1927-6-8 434 Los Angeles Bear Canyon Trail to summit of Mount San Antonio; San Gabriel Mountains 1828 Comment
  UCR223512  Pedicularis semibarbata R. G. Swinney 2009-7-29 11442 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CATA2232  Pelargonium peltatum Sara L. Crockett 1997-3-25 98 Los Angeles Santa Catalina Island: 323 Whittley Avenue 76 Comment
  RSA674538  Pellaea andromedifolia LeRoy Gross 2003-2-22 742 Los Angeles South side; Along Brand Canyon (fire burned this area in Summer-fall of 2002). Above the falls area up the west fork drainage area of Brand Canyon. 479 Comment
  SEINET5777398 Image available Pellaea andromedifolia S. M. Tracy 1887-1 339 Los Angeles Los Angeles Comment
  SFV20792  Pellaea andromedifolia L. Gross 2003-2-22 742 Los Angeles Verdugo Mountains South side of Verdugo Mountains along Brand Canyon. Above the falls area up the west fork drainage area of Brand Canyon. Along east side above canyon bottom. 479 Comment
  RSA686715  Pellaea andromedifolia T. R. Pray 1960-3-20 1650 Los Angeles Elizabeth Canyon Comment
  UCR108659  Pellaea mucronata subsp. californica L. C. Wheeler 1966-8-21 8821 Los Angeles San Gabriel Mtns, Bear Canyon off W fork of the San Gabriel River at Angeles Crest Hwy at Srin E. Jarvi Memorial Area [5 mi east of Buckhorn Rest stop is a tunnel and then Jarvi Memorial Vista] 2165 Comment
  OBI2655  Penstemon centranthifolius Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs Mill Crk Cyn, San Gabriel Mts 1219 Comment
  POM21409  Penstemon centranthifolius George B. Grant 1901-6-7 s.n. Los Angeles Laurel Canon. Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SEINET13297599 Image available Penstemon centranthifolius R. G. Swinney 2011-1 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center (Mint Canyon 7.5' Q.) 488 Comment
  SFV18224  Penstemon centranthifolius M. Danielczyk 2001-5-16 35 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  UCR197757  Penstemon centranthifolius Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 40 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA0073236  Penstemon centranthifolius Bonnie C. Templeton, H. J. Andrews 1938-6-22 1686 Los Angeles Shoemaker Canyon. Comment
  POM49961  Penstemon heterophyllus A. D. E. Elmer 1902-06 3707 Los Angeles Acton, Mt. Gleason. Comment
  LA51906  Penstemon heterophyllus var. australis Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  NY601657  Penstemon heterophyllus var. australis P. A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mountains 670.6 Comment
  POM8946  Penstemon heterophyllus var. australis Philip A. Munz 1920-3-17 3350 Los Angeles Lone Hill, San Dimas. 305 Comment
  SFV20412  Penstemon laetus P. Wilson 2005-3-23 4217 Los Angeles San Gabriel Mountains Millard Canyon, Chaney Trail. 640 Comment
  SFV10462  Penstemon speciosus M. L. Vincent 1964-6-24 593 Los Angeles San Gabriel Mountains Wrightwood Road near main ranger station. 2090 Comment
  POM7645  Penstemon spectabilis subsp. subviscosus C. F. Baker 1903-7-20 3348 Los Angeles Claremont. Comment
  NY661216  Penstemon spectabilis var. subviscosus Collector unspecified 1943-4-19 s.n. Los Angeles Monrovia Comment
  SD52440  Penstemon spectabilis var. subviscosus Skip Stone May 1952 50 Los Angeles Blanchard Park, Claremont, Mt. Range: San Gabriel, Pac. Slope drainage 334 Comment
  RSA0060340  Pentagramma triangularis L. C. Wheeler 1931-4-8 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon. Comment
  UCSB62246  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-1 Los Angeles San Gabriel Mtns., NW Mill Creek Summit, Aliso Cyn. ca. 1/4 mi. w. of Wagonwheel Rancho Hq. 1158 Comment
  CAS-BOT-BC73799  Peritoma arborea var. arborea J. Johnston 1917-4-11 s.n. Los Angeles Malibu Coast - mout of Trancas Cyn., north of Pacific coast Hwy. USGS Point Dume quad. 7 Comment
  SBBG98072  Perityle emoryi T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5236 Los Angeles first un-named cyn S of Snake Cactus Cyn (drainage beginning 1420' W of Guds) 152 Comment
  UCR50862  Persea americana A. C. Sanders 1988-5-18 7829 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  CAS-BOT-BC419012  Persicaria lapathifolia I. Johnston 1917-6-14 1343 Los Angeles West of Pomona Comment
  SFV2975  Phacelia M. L. Vincent 1962-5-19 245 Los Angeles Mojave Desert One mile from the Pearblossom turnoff to Valyermo. 975 Comment
  POM188388  Phacelia bicolor P. A. Munz, Thos. Craig 1933-5-13 12937 Los Angeles 10 miles south of Muroc. Comment
  LA81957  Phacelia brachyloba O. H. Kappler; 1944-5-21 633 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  RSA653693  Phacelia brachyloba Valerie L. Soza, Laura Moore 2000-5-10 863 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  SBBG65335  Phacelia californica V. Duran 1933-7-25 3533 Los Angeles Buckhorn 1981 Comment
  UCR191725  Phacelia cicutaria var. hispida A. C. Sanders 2008-4-23 35065 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  UCR274134  Phacelia cicutaria var. hispida Steven A. Junak 1999-7-17 SCa- 1074 Los Angeles Channel Islands, Santa Catalina Island, Cape Canyon 238 Comment
  UCR275018  Phacelia ciliata Michael Honer, Rachel Woodard 2006-4-12 2184 Los Angeles Tehachapi Mountains area., Hills above Oso Cyn, c. 2 miles NNW of Quail Lake; 3 miles west of cement plant rd. 1159 Comment
  RSA252937  Phacelia curvipes Robert F. Thorne, Gary D. Wallace 1973-4-24 43413 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA342251  Phacelia distans Robert F. Thorne 1963-5-15 s.n. Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA428211  Phacelia distans James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale. Comment
  UCR222732  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR275302  Phacelia distans Dan S. Cooper 2010-3-8 s.n. Los Angeles Western Tarnsverse Range; eastern Santa Monica Mtns., Griffith Park, Vermont Canyon, on slope east of tennis Courts 259 Comment
  RSA660419  Phacelia distans Orlando Mistretta 1992-5-21 395 Los Angeles Right Star Mine, S of Acton. Comment
  RSA133991  Phacelia egena L. R. Heckard 1953-6-14 500 Los Angeles near south fork of Little Rock Creek, 2 miles above Sycamore Camp Ground (about 15 miles south of Little Rock). 1341 Comment
  HSC24300  Phacelia fremontii Nels Rinden 1971-5-2 32 Los Angeles 6 mi. NW of Phelan on Hwy. 138 in Mojave Desert 1280 Comment
  RSA75525  Phacelia fremontii F. W. Peirson 1917-5-13 963 Los Angeles Near Little Rock, Mojave Desert. Comment
  LA200567  Phacelia grandiflora John O'Leary; 1974-4-29 277 Los Angeles Santa Monica Mountains, Stone Canyon, S-facing slope above Stone Canyon Reservoir 274 Comment
  UCR86548  Phacelia grandiflora T. S. Ross 1992-5-17 6331 Los Angeles San Gabriel Mtns., Center W side of the San Gabriel Reservoir; short easterly spur canyon along Hwy 39 463 Comment
  CDA40372  Phacelia grandiflora T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  SBBG118710  Phacelia grandiflora O. Mistretta with M. Hammitt 1991-6-21 Los Angeles near crossing of USFS Rd 2N66 and Fern Cyn drainage just W of water tank; T2N R12W SW 1/4 NE 1/4 Sec 29 768 Comment
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Jun 5 2010
  SD72727  Phacelia hispida F. R. Fosberg 1931-3-23 S 4336 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 24 Comment
  UC1167736  Phacelia imbricata subsp. imbricata Peter H. Raven and W. L. Wedberg 1957-6-15 10913 Los Angeles Latigo Canyon Rd at Newton Canyon Rd; Santa Monica Mountains Comment
  UCR146263  Phacelia longipes Orlando Mistretta 1995-6-23 1828 Los Angeles Transverse Ranges; San Gabriel Mountains, Lookout Mt. Trail. Orobanche valida survey site 2 1829 Comment
  POM7593  Phacelia minor P. A. Munz 1920-5-2 3818 Los Angeles San Dimas Canyon. 457 Comment
  RSA172243  Phacelia minor Robert F. Thorne, J. Henrickson 1963-5-5 32314 Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  UC881279  Phacelia minor Marcus E. Jones, A. M. 1882-2-27 3031 Los Angeles Pasadena Comment
  RSA428074  Phacelia minor Donald R. Bissing 1973-5-18 82 Los Angeles Evey Canyon 0.7 mile from canyon mouth 780 Comment
  RSA0094630  Phacelia mohavensis Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-2 8515 Los Angeles Western slopes of Mount Baden-Powell; north slope of Mount Hawkins, in the vicinity of Lily Spring. 2401 Comment
  UCSB12493  Phacelia parryi Haines, A. 1962-3-25 Los Angeles Bottom of Escondido Canyon after burn; Santa Monica Mountains 45 Comment
  POM156351  Phacelia ramosissima var. austrolitoralis L. R. Abrams 1902-6-9 2497 Los Angeles Playa del Rey. Comment
  SFV13269  Phacelia tanacetifolia M. J. Thor 1983-4-16 177 Los Angeles Mojave Desert Hi Vista, north of Saddle Back Butte State Park along 200th Street. 933 Comment
  RSA254375  Phacelia tanacetifolia E. K. Balls 1966-3-17 12125 Los Angeles 1.5 miles E of Llano along hwy 138 Palmdale to the Cajon Pass. Comment
  SEINET12320613  Phacelia tanacetifolia R. F. Thorne 1971-1 41502 Los Angeles San Gabriel Mts., Cobal Canyon, 3 mi N of Claremont 503 Comment
  UCSB10395  Phacelia tanacetifolia Wedberg, H. 1957-4-6 Los Angeles 1/2 mi. W Las Flores, vacant lot N of road Comment
  UC1302903  Phacelia viscida Peter H. Raven 1962-3-27 16995 Los Angeles along Palos Verdes Drive 1.4 mi e Portugese Bend; Palos Verdes Hills Comment
  UCR127182  Phacelia viscida A. C. Sanders 2003-6-20 26997 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  CDA2282  Phalaris aquatica L. C. Wheeler 1975-9-22 s.n. Los Angeles San Gabriel Mtns.; Susanna Canyon, 0.25 mile upstream from the mouth [San Gabriel Reservoir] 0 Comment
  SBBG13004  Phalaris minor E. R. Blakley 1962-10-4 5408 Los Angeles SE side of the Isthmus Cove 1 Comment
  CATA3388  Pholistoma auritum Peter J. Dixon 2017-3-24 078 Los Angeles Santa Catalina Island: Lower Cottonwood Cyn, roadside 210 m south of Cottonwood Beach 55 Comment
  RSA692172  Pholistoma auritum Scott D. White 2003-5-20 9318 Los Angeles Northern Chino hills: Diamond Bar. Hills and canyons within gated community called The Country, east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon. 244 Comment
  CSUSB125  Pholistoma auritum Dick Bernier 1966-4-3 Los Angeles 500 yards along a woodland canyon at the end of 14th Street in Puente Hills. 213 Comment
  CAS-BOT-BC222554  Pholistoma auritum var. auritum Alice Eastwood 1906-5-27 25 Los Angeles Garvanza Comment
  UCSB5477  Pholistoma membranaceum Ralph, F. 1960-4-1 Los Angeles N side of Calif Hwy. 138, 9.0 miles E of its jct. with the road to Valyermo and Big Pines E of Pearblossom and 0.6 miles W of jct. of road to Victorville, Mojave Desert Comment
  UCR102259  Phoradendron densum David Charlton 1989-4-7 2983 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  SEINET3994594 Image available Phoradendron juniperinum var. libocedri R. Krebill, G. Krebill 1965-4-22 K- 245 Los Angeles Angeles NF, Angeles Crest Hwy, 1/2 mile east of Vincent Gulch Divide Comment
  RSA594573  Phoradendron macrophyllum Louis C. Wheeler 1966-10-12 8979 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  RSA598086  Phoradendron pauciflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3782 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA702562  Phoradendron villosum Scott D. White 2004-5-10 10357 Los Angeles Liebre Mountains: North slope below Bald Mountain. 1098 Comment
  RSA0072465  Photinia arbutifolia var. macrocarpa E. R. Johnson 1930-1-30 1651 Los Angeles Upper Avalon Canyon, Santa Catalina Island. Comment
  SEINET3388748 Image available Picris echioides F. A. MacFadden 12934 Los Angeles Waste land Culver City, Los Angeles Co. California Comment
  CHSC26131  Pinus coulteri B. Prigge 1970-12-4 102 Los Angeles 24 mi NE of La Canada along State Hwy 2; San Gabriel Mts. 1645 Comment
  UCR256213  Pinus lambertiana R. G. Swinney 2010-9-21 13849 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA0048412  Pinus muricata Robin J. Tausch 1963-4-23 s.n. Los Angeles Pierce College Campus, Woodland Hills. 243 Comment
  RSA384448  Pinus ponderosa V. V. Giles 1936-7-5 s.n. Los Angeles Crystal Lake 1738 Comment
  CAS-BOT-BC72761  Pinus sabiniana Timothy S. Ross 1995-4-26 8384 Los Angeles West end of Liebre Mountain along Forest Service Road 7N23 ca 0.9 road-mile NE of its junction with the Old Ridge Route; 1341 Comment
  RSA594936  Piptatherum miliaceum Steve Boyd, Lauren Raz 1996-10-8 9001 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCD89887  Piptatherum miliaceum W. M. Phillipson 1914-5-1 4747 Los Angeles Monrovia. Comment
  SD51445  Pittosporum eriocarpum Reid Moran 1942-10-25 Los Angeles Elysian Park Comment
  UCR214037  Plagiobothrys arizonicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37963 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA599252  Plagiobothrys canescens Steve Boyd, Lauren Raz 1997-3-31 9427 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  SFV6242  Plagiobothrys canescens M. H. Grayum, A. Starrett, D. Friesen 1974-5-18 s. n. Los Angeles Santa Susana Mountains Ridge separating upper Ybarra Canyon from East Fork of Devil Canyon. 884 Comment
  SD90635  Plagiobothrys canescens Robert F. Thorne 1966-4-17 36104 Los Angeles San Clemente Island; just northwest of Thirst. 548 Comment
  SBBG131651  Plagiobothrys canescens var. catalinensis S. A. Junak 1999-5-8 SCa 913 Los Angeles Fern Cyn, Cottonwood Cyn watershed, where fenceline crosses cyn 134 Comment
  CATA435  Plagiobothrys collinus var. gracilis Sara L. Crockett, Mark Elvin 1997-3-17 573 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road 1.25 miles NE on Cape Canyon Road from jct. with Middle Canyon Road 381 Comment
  RSA661097  Plagiobothrys collinus var. gracilis Orlando Mistretta 1992-4-5 209 Los Angeles Guds, San Clemente Island. Comment
  CATA1857  Plantago coronopus Denise Kraus, Judy Hibbs 2000-5-24 38 Los Angeles Santa Catalina Island: Wild Boar Gully, at Transect 3. On flat plateau in southern portion of exclosure 219 Comment
  RSA721303  Plantago erecta R. G. Swinney 1998-4-11 5935 Los Angeles San Gabriel Mts. Claremont, 0.5-1 mi NE of Padua Hills Restaurant, which is on Padua Dr. 768 Comment
  SBBG113119  Plantago erecta S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 354 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  SBBG131685  Plantago erecta S. A. Junak 1999-4-24 SCa 863 Los Angeles main rd, just S of [airport] rd 445 Comment
  UCR142492  Plantago erecta F. R. Fosberg 1931-4-10 S- 4548 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon below Pacific Divide 190 Comment
  RSA661086  Plantago erecta Orlando Mistretta 1992-4-5 198 Los Angeles Guds, San Clemente Island. Comment
  SBBG31209  Plantago major R. F. Thorne 1966-6-1 36485 Los Angeles of razed St. Catherine's Hotel, N of Avalon 4 Comment
  SD253521  Plantago major R. G. Swinney 2011-10-27 15931 Los Angeles San Gabriel Mountains: 1.4 miles east (downstream) from entrance gate to Cogswell Dam, at confluence of Butterfield Canyon and W Fork San Gabriel River, along West Fk. Natl. Scenic Bikeway. 633 Comment
  CDA20321  Plantago major M. O'Brien 2004-10-12 s.n. Los Angeles Solstice Canyon. 0 Comment
  SBBG131746  Plantago ovata S. A. Junak 1999-4-23 SCa 854 Los Angeles S side of island, on ridge below Triangulation Point "Granite" 481 Comment
  CAS-BOT-BC91657  Platystemon californicus L. R. Abrams 1927-4-30 11702 Los Angeles Head of Antelope Valley. Comment
  POM4556  Plectritis ciliosa subsp. insignis I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora. Grassy hillside. 366 Comment
  SBBG130998  Poa annua S. A. Junak 1999-5-6 SCa 882 Los Angeles 0.1 mi W of Emerald Bay Rd, at gate 15 Comment
  RSA757336  Poa bulbosa Orlando Mistretta, Christine Mistretta 2008-4-7 2378 -a Los Angeles along SCE transmission line corridor, ca. 1.5 mi. NW of intersection of transmission line with State Hwy. 14 (1.75 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 41 per TRTP survey-2008) 972 Comment
  UCR241108  Poa howellii Tim Thomas 1988-4-12 1232 Los Angeles Transverse Range: Santa Monica Mountains, Stunt Ranch, halfway along driveway 436 Comment
  RSA592490  Poa secunda Michael C. Long 1974-4-21 s.n. Los Angeles San Gabriel Mountains: Holocomb canyon 1220 Comment
  UCR43343  Poa secunda David Charlton 1986-6-15 267 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  SEINET6071779  Poa secunda Louis C. Wheeler 1967-5-23 9676 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC236215  Poa secunda subsp. secunda Timothy S. Ross; Steve Boyd 1994-5-4 7679 Los Angeles Liebre Mountains. Dogwood Canyon: Draining NE to Burns Canyon from the NE summit of Grass Mountain 1283 Comment
  RSA639183  Poa secunda subsp. secunda L. C. Wheeler 1967-5-15 9554 Los Angeles San Gabriel Mountains: Fremont Pass, north side. 541 Comment
  RSA670607  Poa secunda subsp. secunda Bonnie C. Templeton 1932-5-31 4844 Los Angeles Big Pines Camp. San Gabriel Mountains. Comment
  UC149783  Poa secunda subsp. secunda H. M. Hall May 1 1902-May 3 1902 3089 Los Angeles vicinity of Elizabeth Lake (Pine Canyon); Antelope Valley Comment
  UC76931  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2465 Los Angeles Manzana; Antelope Valley Comment
  LA94348  Polycarpon depressum Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA226004  Polygonum arenastrum Robert F. Thorne, C. W. Tilforth 1971-6-29 40652 Los Angeles San Gabriel Mountains, Angeles National Forest: 1.6 mi. above Little Rock Dam near reservoir Campground 976 Comment
  CAS-BOT-BC413996  Polygonum aviculare subsp. aviculare John I. Carlson 1914-4-25 s.n. Los Angeles Avalon, Catalina Isl. Comment
  UC2026437  Polygonum cuspidatum Louis C. Wheeler 1975-9-18 s.n. Los Angeles PASADENA: Walnut Street at Altadena Drive. Comment
  RSA602463  Polygonum hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  CAS-BOT-BC71876  Polypodium californicum Tim Ross; Steve Boyd 1991-4-25 4589 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540ft. elev.) 557 Comment
  RSA640159  Polypodium californicum L. C. Wheeler 1968-05 s.n. Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  RSA689880  Polypodium californicum Reid V. Moran 1941-2-2 598 Los Angeles Johnson s Valley, Santa Catalina Island. 20 Comment
  SBBG17995  Polypodium californicum E. R. Blakley 1963-4-7 5513 Los Angeles S side Middle Ranch Cyn, 0.5 mi below Eagles Nest 152 Comment
  UCSB62287  Polypodium californicum Kiefer, Lawrence 1967-3-4 Los Angeles San Gabriel Mtns., SW of Strawberry Peak, Colby Canyon, ca. 0.25mi upstream from Hwy 2 1066 Comment
  UCSB8311  Polypodium californicum Gill, Robert 1960-3-5 Los Angeles Little Dalton Canyon, San Gabriel Mtn. range 426 Comment
  RSA526592  Polypodium californicum T. S. Ross 1991-3-24 4300 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  SFV164  Polypodium californicum P. G. Kilburn 1957-11-30 554 Los Angeles Santa Monica Mountains Sepulveda Canyon, 3 miles south of Mulholland Road. Steep side canyon, going due west from Sepulveda Blvd. Comment
  UCSB62296  Polypodium californicum Kiefer, Lawrence 1968-1-21 Los Angeles Palos Verdes Peninsula, Malaga Canyon, ca. 25 yards above Via Campesina 243 Comment
  SEINET3245928  Polypogon interruptus R. G. Swinney 2005-1 8386 Los Angeles San Gabriel Mtns.: Big Rock Creek at Paradise Springs. 1439 Comment
  CAS-BOT-BC232420  Polypogon monspeliensis Joseph Andorfer Ewan 1932-6-28 7506 Los Angeles Los Angeles River at Hyperion Bridge Comment
  RSA549134  Polystichum imbricans subsp. imbricans T. S. Ross 1992-7-16 6709 Los Angeles San Gabriel Mts: NE slope of Condor Peak on granitic substrate; 88 degrees E, 195m distant from summit 1557 Comment
  RSA659923  Populus balsamifera subsp. trichocarpa Orlando Mistretta 1992-8-17 s.n. Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  UCR259245  Populus nigra R. G. Swinney 2010-6-4 13002 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  CAS-BOT-BC267152  Potamogeton foliosus A. D. E. Elmer 1902-6-1 3503 Los Angeles Lancaster Comment
  LA52101  Potentilla glandulosa subsp. glandulosa Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR177254  Potentilla glandulosa subsp. glandulosa LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1067 Los Angeles Verdugo Mountains, North side of the mountains, south of Hostetter Motorway just off La Tuna Canyon Road, south of the 210 Fwy 564 Comment
  UCR124478  Potentilla gracilis var. fastigiata B. C. Templeton 1932-7-20 5006 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  SEINET10628876  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3885 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  SD215646  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9375 Los Angeles Sierra Pelona Ridge, upper end of Bouquet Canyon, south of Lincoln Crest near end of off-highway vehicle trail which begins at Bouquet Canyon Road 1310 Comment
  CAS-BOT-BC154928  Prunus ilicifolia C. B. Wolf; P. C. Everett 1937-10-19 9376 Los Angeles Placerita Canyon, along Placerita Creek, 1 mi. E. of Newhall 396 Comment
  LA29347  Prunus ilicifolia subsp. ilicifolia Mary V. Hood; 1943-5-31 43- 61 -k* Los Angeles Trail down to Devil's Canyon 1219 Comment
  SBBG121258  Prunus ilicifolia subsp. ilicifolia V. Soza, S. Deo, S. Dreher 2000-4-27 823 Los Angeles Stough Cyn, Stough Park, above parking lot SW of intersection of Walnut Ave and Lockheed View Drive, W of De Bell Municipal Golf Course 365 Comment
  CDA1020  Prunus ilicifolia subsp. lyonii D. G. Kelch 1991-3-17 1333 Los Angeles Santa Catalina Island; 2 km. N of Avalon. 0 Comment
  SBBG20511  Prunus ilicifolia subsp. lyonii E. R. Blakley 1963-12-8 6387 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  SBBG78180  Prunus ilicifolia subsp. lyonii F. R. Fosberg 1931-4-2 4446 Los Angeles Hamilton Cyn, just below rd 350 Comment
  CAS-BOT-BC159728  Prunus occidentalis W. S. Lyon 1884-7-1 s.n. Los Angeles Ravines: St. Catalina Island Comment
  UCR149973  Prunus virginiana Scott D. White 2004-5-5 10309 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  UCR124741  Prunus virginiana var. demissa B. C. Templeton 1932-5-31 4851 Los Angeles San Gabriel Mtns., Vincent Gulch below Big Pines Park, Angeles National Forest 2160 Comment
  CAS-BOT-BC356561  Pseudognaphalium biolettii George B. Grant; Walter Wheeler 1904-4-21 6195 Los Angeles Isthmus. Santa Catalina Island, Pacific Ocean, off southern California Comment
  SBBG128312  Pseudognaphalium biolettii A. Cheung, D. Kasang, S. Lawrence-Gomez, M. Zou, S. Ratay 2011-7-1 14 Los Angeles Deer Valley Trail 23 Comment
  RSA527791  Pseudognaphalium biolettii Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4357 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CAS-BOT-BC356701  Pseudognaphalium californicum Le Roy Abrams 1901-4-7 1426 Los Angeles Arroyo Seco Comment
  RSA0036278  Pseudognaphalium californicum Bill Duval s.n. Los Angeles Montrose Comment
  CAS-BOT-BC357287  Pseudognaphalium microcephalum Geo. B. Grant 1901-1-1 s.n. Los Angeles Pasadena Comment
  JEPS20504  Pseudognaphalium microcephalum Frank W. Peirson 1919-1-26 303 Los Angeles Rubio Canon San Gabriel Mts., Rubio Canon 548 Comment
  LA200212  Pseudognaphalium microcephalum Don P. Mullally; 1950-7-21 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SFV12452  Pseudognaphalium ramosissimum M. H. Grayum, D. L. Koutnik 1978-1-28 953 Los Angeles Santa Monica Mountains Coastal bluffs and flats just east of Temescal Canyon along Pacific Coast Highway. 8 Comment
  RSA0035029  Pseudotsuga macrocarpa Jack Pepper 1950-11-4 s.n. Los Angeles Charleton Flats. 1524 Comment
  LA94235  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-26 1781 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 0.5 mi from mouth. 60 Comment
  RSA607619  Pteridium aquilinum var. pubescens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA744262  Pterospora andromedea R. G. Swinney 2001-8-27 8106 Los Angeles 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area. 2463 Comment
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Apr 20 2010
  UCR258578  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UC1234711  Pycnanthemum californicum D. Gregory 1961-8-10 482 Los Angeles just above the bottom Coldwater Canyon (sw of Mt. San Antonio); San Gabriel Mountains, sw of Mt. San Antonio Comment
  RSA749767  Pyracantha koidzumii A. C. Sanders, T. B. Salvato 2009-5-19 36841 Los Angeles Montebello Hills, under SCE powerlines adjacent to Kaiser Hospital north of corner of Paramount Blvd. and N. Montebello Blvd. 103 Comment
  SBBG32147  Quercus X macdonaldii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -209 Los Angeles upper-middle Bullrush Cyn, Salta Verde Comment
  UC848129  Quercus X macdonaldii Ezra C. Knopf 351 Los Angeles Santa Catalina Island Comment
  SEINET13953045 Image available Quercus agrifolia Peter H. Raven 1959-1 13834 Los Angeles 1.1 mi N of Coast HWY, Topanga Canyon Comment
  RSA662321  Quercus agrifolia var. agrifolia Amy Drooks 1981-4-16 6 Los Angeles Cal Poly Pomona Campus, Box Canyon above Env. Bldg. Comment
  UCR130507  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2000-8-29 00- 749 Los Angeles San Gabriel Mtns., north of Azusa, Hwy 39, canyons along Morris Reservoir 352 Comment
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Jan 5 2020
  POM18618  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  UC450768  Quercus berberidifolia Fay A. MacFadden 1931-3-12 2930 Los Angeles Tuna Canyon, Verdugo Hills Comment
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Oct 17 2016
  UC847959  Quercus berberidifolia I. W. Clokey and B. C. Templeton 1930-4-2 4609 Los Angeles Mulholland Drive Santa Monica Mts. 600 Comment
  UCSB1127  Quercus berberidifolia Wedberg, H. 1957-3-3 Los Angeles Old Topanga Canyon Comment
  UCSB58657  Quercus berberidifolia Muller, Cornelius 1937-8-27 Los Angeles Fillmore Valley and Ventura county line 182 Comment
  JEPS97689  Quercus chrysolepis Annetta M. Carter, Arthur Carter 1935-9-12 975 Los Angeles Chilao (Chellea). San Gabriel Mtns. 1630 Comment
  LA46442  Quercus chrysolepis Louis C. Wheeler; 1931-11-8 339 Los Angeles San Gabriel Mountains, San Antonio Canyon 944 Comment
  UC1871095  Quercus chrysolepis T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3877 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UC847901  Quercus chrysolepis F. R. Fosberg 1932-6-18 8528 Los Angeles Hogback San Gabriel Mts., San Antonio Canyon 1300 Comment
  UCSB23058  Quercus chrysolepis McMinn, Howard 1925-8-6 Los Angeles Sawpit Canyon Comment
  JEPS37350  Quercus durata Theodore Payne 1907-11-5 3 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  UCSB68622  Quercus durata Gross, LeRoy; Fraga, Naomi; Hogshead, Bill 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway; (Burbank 7.5 Quad.: T2N R13W S30, NW1/4) 556 Comment
  POM295275  Quercus durata var. gabrielensis Lyman Benson 1949-10-20 14267 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  RSA476605  Quercus durata var. gabrielensis H. de Forest 1932-8-15 s.n. Los Angeles Verdugo Valley Comment
  RSA653364  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 299 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following the fire break up to main crest (to Beaudry fire road) 305 Comment
  RSA733302  Quercus durata var. gabrielensis Susan Grose, Lauren Breccio, LeRoy Gross 2007-11-11 192 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  UCR178910  Quercus durata var. gabrielensis R. G. Swinney 1989-8-6 s.n. Los Angeles San Gabriel Mtns., Glendora, 1.0 mile east of Glendora Mountain Road on Big Dalton Canyon Rd. 442 Comment
  CAS-BOT-BC61501  Quercus lobata Peter H. Raven; Henry J. Thompson 1959-4-3 13922 Los Angeles slopes just east of Malibu Junction. Santa Monica Mountains 243 Comment
  RSA623519  Quercus pacifica J. M. Tucker 1992-3-29 s.n. Los Angeles Santa Catalina Island, along main road just east of Haypress Reservoir, roughly 1 3/4 miles northwest of Avalon 396 Comment
  CAS-BOT-BC248854  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 264 Los Angeles Santa Catalina Island, Sweetwater Canyon 300 Comment
  CAS-BOT-BC257064  Quercus tomentella P. S. Manos 1988-10-28 705 Los Angeles San Clemente Island, Twin Canyons 213 Comment
  RSA485827  Quercus tomentella T. S. Elias 1988-2-10 10665 Los Angeles San Clemente Island: Dead Man's Curve adjacent to Eagle Canyon, East side of island Comment
  SBBG37700  Quercus tomentella M. B. Dunkle 1939-11-25 7357 Los Angeles San Clemente Island Comment
  SBBG95484  Quercus tomentella M. B. Dunkle 1928-11-2 2028 Los Angeles Gallagher Cyn Comment
  CAS-BOT-BC104852  Quercus wislizeni Timothy S. Ross; Steve Boyd 1995-6-28 8621 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  CAS-BOT-BC104872  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  SEINET7143814  Quercus wislizeni var. frutescens Timothy S. Ross, Steve Boyd 1994-9-21 8305 Los Angeles Liebre Mountain: Upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). Liebre Mountain 7.5' USGS Quadrangle.; 0 1606 Comment
  CAS-BOT-BC362475  Rafinesquia californica Carl Epling 1931-4-18 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC379001  Ranunculus aquatilis var. diffusus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas, sluggish brook east of Puddingstone Canyon 366 Comment
  UC827664  Ranunculus californicus Geo. B. Grant Jun 1902 1109 Los Angeles Lincoln Park Comment
  CAS-BOT-BC378874  Ranunculus californicus var. californicus Louis C. Wheeler 1934-3-10 2428 Los Angeles San Gabriel Mts., adobe soil in meadow on E side near mouth San Dimas Canyon 442 Comment
  RSA763925  Raphanus raphanistrum Doris Hoover Bowers 1954-4-5 156 Los Angeles LaVerne hills 320 Comment
  SBBG20549  Raphanus sativus E. R. Blakley 1963-12-7 6375 Los Angeles 200 yds SE of new air strip 60 Comment
  UC586872  Rhamnus californica Joseph Andorfer Ewan 1934-8-2 8479 Los Angeles San Antonio Canyon, at foot of Baldy Trail San Gabriel Mts. 1371 Comment
  UCR223462  Rhamnus californica R. G. Swinney 2009-6-8 11093 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  CAS-BOT-BC59946  Rhamnus crocea Alice Eastwood 1928-6-15 15404 Los Angeles Claremont. Comment
  SFV21400  Rhamnus crocea L. Gross, N. Fraga, B. Hogshead 2002-3-21 501 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. In small canyon above (east) of Village Christian School in Sun Valley near above coordinates. 366 Comment
  CAS-BOT-BC55983  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC56005  Rhamnus ilicifolia Alice Eastwood 1919-5-29 8955 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC56007  Rhamnus ilicifolia Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC59843  Rhamnus ilicifolia Peter H. Raven; Robert F. Thorne 1964-5-7 18999 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  LA52144  Rhamnus ilicifolia Harlan Lewis; 1940-2-24 sn 1089 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA624981  Rhamnus ilicifolia Louis C. Wheeler 1963-6-25 8264 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  POM246622  Rhamnus pirifolia F. R. Fosberg 1931-4-13 S 4583 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach, right fork 60 Comment
  RSA390859  Rhamnus pirifolia G. R. Johnstone 1929-7-21 s.n. Los Angeles Santa Catalina Island. Comment
  RSA390148  Rhamnus tomentella subsp. cuspidata Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  RSA190981  Rhus integrifolia R. F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36738 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  SBBG11609  Rhus integrifolia P. H. Raven 1962-5-8 17611 Los Angeles second cyn S of Seal Cove 30 Comment
  SBBG128446  Rhus integrifolia M. L. Hoefs 1994-7-18 1888 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  UCR234430  Rhus integrifolia Jeremiah George 2012-3-11 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Blvd., Palos Verdes West and Palos Verdes Dr. North 73 Comment
  UC1922673  Rhus lancea Valerie Soza, LeRoy Gross 2001-5-9 1201 Los Angeles Transverse Ranges; Verdugo Mountains region; Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 244 Comment
  CAS-BOT-BC167964  Rhus ovata Le Roy Abrams; E. A. McGregor 1908-7-5 677 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains Comment
  SEINET12234001  Rhus ovata H. W. Graham 1927-1 9- 9 -46 Los Angeles Along trail and road from Mt. Lowe Tavern, Mt. Lowe to observatory on Mt. Wilson, near Los Angeles Comment
  UC1595429  Rhus trilobata Tim Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310m e of where Cold Water Canyon meets Big Tujunga Creek (e side of the road to Colby Ranch); San Gabriel Mountains 963 Comment
  CAS-BOT-BC433169  Ribes F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt Wilson Ridge, San Gabriel Mountains 1767 Comment
  CAS-BOT-BC92271  Ribes amarum A. J. McClatchie 1895-3-9 s.n. Los Angeles San Gabriel Mountains. Comment
  UC421651  Ribes amarum John Thomas Howell 1928-2-9 3332 Los Angeles Santa Anita Canyon San Gabriel Mts. Comment
  UCSB2580  Ribes amarum Beach, Kay 1943-3-10 Los Angeles San Dimas Exp. Forest; SW branch canyon of Monroe Comment
  RSA0083312  Ribes aureum R. G. Swinney 2010-3-22 12028 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UC567234  Ribes aureum A. E. Wieslander 1931-2-19 151 Los Angeles San Gabriel Wash Pomona Quadrangle 167 Comment
  SFV9214  Ribes aureum var. gracillimum J. H. Lane 1972-3-4 55 Los Angeles San Fernando Valley Big Tujunga wash near Sunland. Western edge by Foothill Blvd. and Conover Road. Comment
  UCR96603  Ribes aureum var. gracillimum Scott D. White 1997-2-2 4664 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  CAS-BOT-BC93079  Ribes californicum var. hesperium Le Roy Abrams 1899-4-1 250 Los Angeles Santa Monica Mountains. Comment
  SD90239  Ribes californicum var. hesperium Benjamin C. Stone 1952-3-21 4 Los Angeles Little Dalton Canyon above San Dimas; San Gabriel Mountains. 410 Comment
  UC974952  Ribes californicum var. hesperium Ira W. Clokey, B. Templeton Mar. 1929 4472 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  CAS-BOT-BC93109  Ribes californicum var. hesperium Henry J. Thompson 1959-2-20 1842 Los Angeles Santa Monica Mountains. 1 mile east of Malibu Creek, along Piuma Road. 243 Comment
  UCR189983  Ribes cereum R. G. Swinney 1998-9-4 6908 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  RSA230728  Ribes cereum var. cereum Robert F. Thorne 1969-7-9 38577 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  CAS-BOT-BC108883  Ribes divaricatum var. parishii A. Davidson 1894-4-1 s.n. Los Angeles El Monte. Comment
  LA50760  Ribes indecorum Henry J. Thompson; 1959-5-31 2056 Los Angeles Santa Monica Mountains, just E of junction of Latigo Canyon Rd with Mulholland Hwy 518 Comment
  RSA279117  Ribes indecorum R. F. Thorne 1971-3-18 41494 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  RSA602401  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles San Gabriel Mountains: San Dimas Canyon. 503 Comment
  SFV12538  Ribes indecorum M. H. Grayum, D. L. Koutnik 1977-11-13 850 Los Angeles Santa Susana Mountains Along tributary, west of Limekiln Canyon and just southwest of Horse Flats. 442 Comment
  CAS-BOT-BC173420  Ribes malvaceum I. M. Johnston 1927-7-2 1752 Los Angeles Near Brown's Flat 1524 Comment
  CAS-BOT-BC173435  Ribes malvaceum C. F. B. 1903-9-17 4065 Los Angeles San Antonio [Canon] Canyon near Claremont Comment
  CAS-BOT-BC173446  Ribes malvaceum Peter H. Raven 1959-3-1 13823 Los Angeles Mount Hollywood Drive, 0.8 miles south of Vista del Valle Drive, Griffith Park 396 Comment
  LA50740  Ribes malvaceum W. O. Griesel; March 1936 sn Los Angeles Santa Monica Mountains, Mulholland Hy near Sepulveda Can 396 Comment
  RSA1180  Ribes roezlii B. D. Stark 1930-6-28 865 Los Angeles Pine Canyon Comment
  RSA240444  Ribes roezlii W. L. Stern 1969-8-14 2816 Los Angeles Angeles Crest Hwy near Wrightwood, Los Angeles. San Gabriel Mts. 2134 Comment
  UCR78138  Ribes roezlii var. roezlii Wandalee Thompson 1964-4-18 20 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  RSA476298  Ribes speciosum H. L. Bauer 1931-3-1 13967 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  LA210277  Ribes speciosum s.n. Los Angeles Botany III Comment
  RSA66068  Rorippa curvisiliqua F. W. Peirson 1906-7-16 s.n. Los Angeles Los Angeles River, San Fernando Valley Comment
  SEINET10483503  Rosa californica Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4797 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  RSA0021499  Rosa gymnocarpa var. gymnocarpa Joseph A. Ewan 1933-7-4 7865 Los Angeles North slope Monrovia Peak, San Gabriel Mountains. 1372 Comment
  RSA230203A  Rosa woodsii subsp. gratissima Robert F. Thorne 1969-7-2 38297 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  SBBG72351  Rubus leucodermis Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  CAS-BOT-BC158809  Rubus ursinus Le Roy Abrams 1901-4-3 1309 Los Angeles Santa Monica Mts. 304 Comment
  RSA86836  Rubus ursinus F. W. Peirson 1919-4-19 380 Los Angeles Pacoima Canyon, western end of San Gabriel Mountains. 610 Comment
  LA52268  Rumex acetosella Carl Epling; M. Epling 1925-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA507533  Rumex conglomeratus Louis C. Wheeler 1967-6-26 9899 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA133385  Rumex salicifolius Peter H. Raven, Henry J. Thompson 1959-9-6 s.n. Los Angeles Near mouth of Malibu Creek. Santa Monica Mountains. 12 Comment
  RSA359410  Ruppia maritima Robert F. Thorne 1973-09 44727 Los Angeles Santa Catalina Island: Big Spring. Comment
  RSA383647  Ruppia maritima Robert Gustafson 1981-4-29 2223 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA584841  Salazaria mexicana Tim S. Ross 1991-4-27 4704 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  RSA478862  Salicornia maritima F. R. Fosberg 1930-6-30 S 3062 Los Angeles Del Rey. 2 Comment
  RSA478899  Salicornia virginica Joseph A. Ewan 1930-9-15 5537 Los Angeles Ballona Creek near Playa del Rey Road. Comment
  RSA478900  Salicornia virginica L. E. Hoffman 1932-8-3 s.n. Los Angeles Playa del Rey. Comment
  UCR214636  Salix A. C. Sanders, Dan S. Cooper 2010-3-12 37382 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  RSA0070370  Salix exigua R. G. Swinney 2010-4-1 12152 Los Angeles San Gabriel Mountains: Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., (below burn area of 2009, Station Fire), below Forest Service boundary, from wash bottom to 150 m. to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA618588  Salix exigua Louis C. Wheeler 1973-4-20 s.n. Los Angeles Western Mojave Desert: Antelope Valley. Vicinity of Una Lake, San Andreas Rift Zone. 854 Comment
  UCR126674  Salix exigua A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26214 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR223503  Salix exigua R. G. Swinney 2009-5-28 10947 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CAS-BOT-BC104144  Salix hindsiana F. Ray Fosberg 1931-10-23 5850 Los Angeles Between Calabasas and Agoura, Santa Monica Mountains Comment
  CATA1802  Salix laevigata Benjamin E. Carter 2012-8-23 6986 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 309 Comment
  LA200827  Salix laevigata Carl Hedin; J. A. Ewan 1932-4-22 7628 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. Comment
  LA208748  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-25 7648 Los Angeles Verdugo Canyon, Area 3 Comment
  POM362619  Salix laevigata T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  RSA161232  Salix laevigata Peter H. Raven 1962-5-20 17790 Los Angeles Cape Canyon, Santa Catalina Island. Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  RSA6432  Salix laevigata Carl. W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  RSA0034814  Salix laevigata Ivan M. Johnston 2017-5-13 1903 Los Angeles El Monte 122 Comment
  JEPS13834  Salix lasiolepis W. L. Jepson 1908-7-13 3053 Los Angeles Swain Canyon; Catalina Isl., Swain Canyon Comment
  POM186357  Salix lasiolepis A. N. Dunn, Joseph A. Ewan 1933-7-23 7839 Los Angeles East end of Barley Flats, San Gabriel Mountains 1555 Comment
  RSA550401  Salix lasiolepis Tim S. Ross, Peter Fritsch 1990-6-20 s.n. Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  RSA605821  Salix lasiolepis Louis C. Wheeler 1966-10-27 9104 Los Angeles San Gabriel Mountains: East Fork San Gabriel River, just above Cattle Canyon. Comment
  RSA787096  Salix lasiolepis Doris Bowers 1957-2-16 696 A Los Angeles Dalton Canyon 610 Comment
  UC846650  Salix lasiolepis I. W. Clokey and E. G. Anderson 1931-3-11 5343 Los Angeles San Gabriel Canyon 1300 Comment
  UCR255778  Salix lasiolepis R. G. Swinney 2010-4-15 12266 Los Angeles San Gabriel Mountains, Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 854 Comment
  CAS-BOT-BC107537  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon about 9.5 km. above Azusa 300 Comment
  RSA444926  Salsola tragus E. S. Spalding 1924-6-10 s.n. Los Angeles Los Angeles. Comment
  RSA0062845  Saltugilia australis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6768 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR1466  Saltugilia australis Richard Bitterolf 1961-3-30 s.n. Los Angeles San Gabriel Mtns., about 5 miles up West San Gabriel Canyon from the road junction to the east fork; near V80 295 18-1360 (Bench Mark) 671 Comment
  RSA802557  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2011-7-6 5911 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UCR276881  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCR277137  Saltugilia splendens subsp. grantii R. G. Swinney 2010-6-8 13228 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 100-300 m south of Placerita Cyn. in Los Pinetos Cyn. 598 Comment
  POM62648  Salvia apiana J. H. Barber 1897-3-28 117 Los Angeles Santa Monica Canyon. Comment
  RSA491792  Salvia apiana James L. Reveal 1988-5-17 6779 Los Angeles Along the Green Valley Road at the mouth of Spunky Creek just north of Bouquet Reservoir, 1.7 mile west off the Bouquet Canyon Road between Palmdale and Saugus. 945 Comment
  RSA576923  Salvia apiana S. Carlquist 1983-7-20 15802 Los Angeles Canyon between chapel and gymnasium, Webb School, Claremont. Comment
  UCR55906  Salvia apiana J. A. Adams 1965-5-23 235 Los Angeles San Gabriel Mtns., Palmer Canyon, 1/4 mi upstream from Padua Hills, near Claremont 823 Comment
  RSA401625B  Salvia apiana William Emboden 1969-5-28 33 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA660012  Salvia apiana William Emboden 1969-5-28 9 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA728299  Salvia carduacea Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1952 Los Angeles Fort Tejon Road. Comment
  RSA599593  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-31 9396 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SEINET3098334 Image available Salvia columbariae Richard G. Swinney 2009-4-2 10260 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert; Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road. (Valyermo 7.5 Q.) 1223 Comment
  RSA401454A  Salvia columbariae Helen M. Oster 1924-4-27 13810 Los Angeles Foothills n. end of Vermont Ave. Comment
  RSA657355  Salvia columbariae C. Schapiro 1979-4-10 8 Los Angeles Verdugo Mountains; On fire road at intersection of Linda Vista Rd. and Figueroa St., North Glendale 762 Comment
  RSA725119  Salvia dorrii var. pilosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -41 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC233663  Salvia leucophylla I. M. Johnston 1918-5-4 1940 Los Angeles Turnbull Canyon, Puente Hills 365 Comment
  LA82014  Salvia leucophylla W. O. Griesel; 1936-6-18 sn Los Angeles Comment
  RSA0035187  Salvia mellifera James S. Burns 1992-5-5 5 Los Angeles 1 mile north on Van Tassel fire road from south access; Angeles National Forest. 457 Comment
  RSA0034498  Salvia mellifera Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. Summit Rd. 304 Comment
  RSA434079  Salvia spathacea Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  UCD125623  Salvia spathacea Kenneth A. Wilson 1961-3-10 962 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile W of Topanga Canyon Road. Comment
  RSA739274  Salvinia oblongifolia Richard E. Riefner 2008-7-28 08 -251 Los Angeles Harbor City, Bixby Slough, vicinity of Dodge St. at 255th St. 11 Comment
  RSA131331  Sambucus mexicana T. Hoshizaki 1959-05 s.n. Los Angeles Above Fern Dell, Griffith Park, Santa Monica Mountains. Comment
  CATA78  Sambucus nigra subsp. caerulea Peter Henrikson 1987-4-14 59 Los Angeles Santa Catalina Island: Avalon Canyon along One Hour Trail, north exposure 121 Comment
  SBBG52926  Sambucus nigra subsp. caerulea F. C. Boutin 1967-4-23 Los Angeles Lemon Tank 304 Comment
  SFV2608  Sanicula arguta K. A. Wilson 1961-3-18 1041 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  UC303483  Sanicula arguta G. B. Grant 1902-4-11 4178 Los Angeles Lincoln Park; Southern California, Lincoln Park Comment
  SD215376  Sanicula arguta Louis C. Wheeler 1969-5-4 Los Angeles San Gabriel Mountains: Placerita Canyon, same location as April 19. Comment
  POM7030  Sanicula bipinnata P. A. Munz, L. T. Street, G. Williams 1919-4-5 2415 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  RSA594757  Sanicula crassicaulis T. S. Ross 1995-4-7 8355 Los Angeles Templin Highway, ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  CHSC31337  Sarcodes sanguinea K. Bridwell 1978-6-18 155 Los Angeles Along Highway 2, ca 35 mi NE of Glendale, Angeles National Forest. 1676 Comment
  UC277072  Sarcostemma cynanchoides subsp. hartwegii W. R. Shaw 1900-6-11 61 Los Angeles Claremont Comment
  LA210530  Schinus molle Louis C. Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  SEINET3481095  Schinus molle Unknown 1939-7-4 178 Los Angeles Los Angeles, Los Angeles, convent street planting Comment
  UCR216750  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  UCR273915  Schismus barbatus Steven A. Junak 1999-4-24 SCa- 859 Los Angeles California Islands, Santa Catalina Island. Plant stop, main road 445 Comment
  SEINET7591432 Image available Schoenoplectus americanus Steve Boyd, Lauren Raz 1996-9-24 8959 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluival valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR126620  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27141 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA365981  Scirpus acutus var. occidentalis Freda Detmers 1928-4-24 s.n. Los Angeles Los Angeles.[Los Angeles River?] Comment
  UC306134  Scirpus cernuus I. Johnston 1917-6-14 1344 Los Angeles w Pomona; w of Pomoma Comment
  UCR274353  Scirpus microcarpus Steven A. Junak 1999-9-10 SCa- 1094 Los Angeles Channel Islands, Santa Catalina Island. Middle Ranch Canyon, inland from Ben Weston Beach, Mills Landing 91 Comment
  RSA29314  Scrophularia californica Joseph A. Ewan 1933-04 10920 Los Angeles Brushy slope with Artemisia douglasiana and Rhus trilobata. Comment
  RSA425191  Scrophularia californica subsp. californica Douglas Bothwell 1934-5-1 s.n. Los Angeles Along gulch and low on hillside (shady exposure) Verdugo Woodlands Comment
  RSA660441  Scrophularia californica subsp. floribunda Orlando Mistretta 1992-6-17 580 Los Angeles Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon. Comment
  SEINET3371878  Scrophularia desertorum G. Rink 2011-6-3 10588 Los Angeles Hills east of Highway 605 and south of Highway 60, about 15 miles east of LA 223 Comment
  SEINET4097310  Scrophularia villosa R. Moran 1941-1 645 Los Angeles Johnson's Valley, Santa Catalina Island. 100 Comment
  UCR139939  Scutellaria tuberosa L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mtns., East side of Little Tujunga Canyon, 0.75 mi SSE of Herreres Ranch 579 Comment
  CAS-BOT-BC59067  Sedum spathulifolium Joseph Andorfer Ewan 1930-12-10 s.n. Los Angeles Fern Canyon, below browns Flats, San Dimas drainage. San Cabriel Mts. 1158 Comment
  RSA0069778  Selaginella bigelovii LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6996 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA598105  Senecio californicus Steve Boyd, Lauren Raz 1997-3-4 9152 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  SEINET3148687  Senecio californicus G. B. Grant 1905-4-20 1196 Los Angeles Pasadena Comment
  RSA472938  Senecio flaccidus var. douglasii T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, San Gabriel Mts. Comment
  SFV13415  Senecio flaccidus var. douglasii W. M. Perry 1980-8-29 115 Los Angeles San Gabriel Mountains Pine Mountain [??], Cattle Canyon. Comment
  CATA2044  Senecio lyonii Steven A. Junak, Mark Hoefs, Lisa Stratton 1998-6-11 Los Angeles Santa Catalina Island: Along horse trail/fire road on E side of Avalon Canyon, across from Quail Canyon and above baseball field 106 Comment
  CATA2794  Senecio lyonii Wheeler Apr 1904 6134 Los Angeles Santa Catalina Island 0 Comment
  RSA473040  Senecio lyonii M. B. Dunkle 1939-11-24 7349 Los Angeles San Clemente Island: east coast summit Comment
  RSA535696  Senecio lyonii Timothy S. Ross 1991-5-22 5449 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  SEINET4015257 Image available Senecio lyonii R. Moran 1941-1 665 Los Angeles Point between Wilson's Harbor and Howland's, Santa Catalina Island. 10 Comment
  RSA723075  Setaria parviflora LeRoy Gross 2007-5-16 2729 Los Angeles Southwest side of the range. Near end of Roscoe Blvd. that runs up into Chandler Canyon. Opposite side of street of 9960 address. 305 Comment
  SEINET3155716  Silene anglica L. Abrams 1902-5-31 2489 Los Angeles Cultivated; Inglewood Comment
  RSA0119763  Silene gallica R. G. Swinney 2014-5-27 16649 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  POM19220  Silene gallica P. A. Munz 1923-4-8 6635 Los Angeles San Clemente Island, east coast. Comment
  CLARK-A1528-2465  Silene laciniata John C. Roos 1947-5-17 3635 Los Angeles Placerita Canyon Comment
  SD112869  Silene laciniata subsp. major Darley F. Howe 1948-5-25 1814 Los Angeles Bouquet Canyon. 760 Comment
  RSA477922  Silene laciniata subsp. major Robert M. Perkins 1936-2-29 98 Los Angeles Benedict Canyon. Comment
  UCR209972  Silene parishii R. G. Swinney 2008-7-25 9315 Los Angeles San Gabriel Mtns., base of east slope of Mt. Waterman along Mt. Waterman Trail 0.4 mi. SW of Hwy 2 2110 Comment
  RSA701273  Silybum marianum LeRoy Gross 2003-5-4 819 Los Angeles South side of mountains: Along east side of Brand canyon a short distance above the large waterfall. 393 Comment
  CAS-BOT-BC75082  Sisymbrium altissimum Ernest C. Twisselmann 1955-8-10 2307 Los Angeles San Emigdio Range. Upper Castaic Valley. 1226 Comment
  RSA587362  Sisymbrium altissimum Orlando Mistretta 1992-5-4 252 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  RSA699880  Sisymbrium altissimum LeRoy Gross, Ted Anderson 2004-5-3 1218 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1333 Comment
  UCR209279  Sisymbrium altissimum R. G. Swinney 2008-10-8 9527 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UC501493  Sisymbrium altissimum Joseph Andorfer Ewan 1932-5-29 7189 Los Angeles Arrastre Canyon, at end of Auto Road Arrastre Canyon; San Gabriel Mountains, , Auto Road 1036 Comment
  SFV1519  Sisymbrium orientale K. A. Wilson 1961-3-12 999 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  RSA592414  Sisyrinchium bellum Mark Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: above Parsons Landing 61 Comment
  UC845026  Sisyrinchium bellum Ira W. Clokey, B. Templeton May 1929 4542 Los Angeles Mandeville Canyon; Santa Monica Mountains 500 Comment
  UC909922  Sisyrinchium bellum I. W. Clokey, E. G. Anderson 1935-5-9 6559 Los Angeles Puddingstone Reservoir Comment
  UCR270842  Sisyrinchium idahoense R. G. Swinney 2011-8-17 15621 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA628347  Solanum americanum Steve D. Boyd 1998-10-7 10297 Los Angeles Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. 915 Comment
  RSA702189  Solanum americanum Scott D. White, Pam De Vries 2004-6-14 10483 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SBBG119079  Solanum americanum S. D. White with P. De Vries 2004-6-14 10483 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  RSA199010  Solanum douglasii W. M. Gauntt 1966-4-16 144 Los Angeles Glendora Mt. Road, 1/2 mi past fork to Mt. Baldy. 915 Comment
  RSA660308  Solanum douglasii Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 44 Los Angeles 4.9 miles past the Pasadena city limits, a pull off on the left side of road as one is going up mountain. Comment
  SBBG42269  Solanum douglasii M. B. Dunkle 1939-11-24 7339 Los Angeles Mosquito summit Comment
  UC575015  Solanum douglasii E. Lloyd 1933-3-25 Los Angeles Santa Monica Mountains, Temescal Canyon Temescal Canyon; Santa Monica Mountains, Temescal Canyon Comment
  UCR206524  Solanum douglasii A. C. Sanders, T. B. Salvato 2009-5-19 36825 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR259404  Solanum douglasii R. G. Swinney 2010-8-30 13632 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA0022222  Solanum douglasii M. A. Stevens 1967-4-28 957 Los Angeles 2020 Bueno Aires, Covina. Comment
  RSA0034905  Solanum douglasii Elwood Fordham 951-03-08 s.n. Los Angeles U.C.L.A. 60 Comment
  RSA422427  Solanum douglasii Tom Burch 1940-3-2 4019 -3 Los Angeles Playa Del Ray. 0 Comment
  CHSC100180  Solanum nigrum John Dittes 2006-6-4 1392 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.3 air miles northwest of Chatsworth High School, ca. 0.9 air mile west of Topanga Blvd., ca. 0.8 air mile east x northeast of Santa Susana Pass. 381 Comment
  NY821122  Solanum parishii F. Beckwith 06 1915 167 Los Angeles Los Angeles Comment
  CAS-BOT-BC157596  Solanum umbelliferum Ernest C. Twisselmann 1959-6-2 5328 Los Angeles Summit of Liebre Mountain 1676 Comment
  POM156268  Solanum umbelliferum L. R. Abrams 1902-6-17 2556 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA600749  Solanum umbelliferum Louis C. Wheeler 1967-6-15 9824 Los Angeles San Gabriel Mountains: Fremont Pass. Land Grant 579 Comment
  UCR223682  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR273250  Solanum umbelliferum R. G. Swinney 2011-5-6 14621 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  SEINET6186070  Solanum xanti var. intermedium H. M. Hall 3754 Los Angeles Near Pasadena Comment
  RSA713809  Solidago californica Valerie L. Soza, Miriam Sidibeh 2003-3-26 1623 Los Angeles Western San Rafael Hills: Fern Lane Mtwy, northwest of Flint Peak. 457 Comment
  UCR209535  Solidago californica R. G. Swinney 2008-7-2 9132 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  SBBG63042  Solidago confinis R. Hoffmann 1927-9-21 Los Angeles Gorman, Ridge Route (US Hwy 99) Comment
  JEPS30662  Solidago velutina subsp. californica Peter H. Raven and Henry J. Thompson 1959-9-27 14552 Los Angeles Latigo Canyon 1.1 mi n Coast Highway (Santa Monica Mountains); , Latigo Canyon 213 Comment
  CDA7648  Soliva sessilis G. C. Fleischman 1950-6-18 Los Angeles Pasadena Civic Center 0 Comment
  SEINET4044450  Sonchus asper D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains; 3110 meters from coast. 502 Comment
  UCR210215  Sonchus oleraceus R. G. Swinney 2008-10-22 9668 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  RSA534008  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5110 Los Angeles San Clemente Island. 700 ft. ENE of North Tank and 2300 ft. due W of Jack (not Jack Point). 239 Comment
  RSA658354  Sonchus oleraceus Naomi Zohman 1985-4-28 36 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  SBBG131994  Sonchus oleraceus S. A. Junak, R. Philbrick 1990-11-8 SCI 122 Los Angeles along N side of field station building Comment
  RSA602348  Spartium junceum Scott D. White 1997-5-8 5081 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  CAS-BOT-BC390135  Spergularia bocconi L. R. Abrams 1917-7-7 6606 Los Angeles San Fernando Comment
  RSA0097063  Spergularia gracilis Anstruther Davidson 1895-4-15 s.n. Los Angeles Fulton Wells. Comment
  CATA254  Spergularia macrotheca var. macrotheca Mark L. Hoefs, A. Douglas Propst 1973-5-4 256 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  SBBG98421  Spergularia macrotheca var. macrotheca T. Ross 1991-5-22 5443 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  RSA0098601  Spergularia marina Freda Detmers 1933-6-4 18160 Los Angeles Watch horn basin, San Pedro Harbor. Comment
  POM179  Spergularia salina L. R. Abrams 1901-04 1458 Los Angeles Hyde Park. Comment
  CAS-BOT-BC235433  Sporobolus airoides Roxana S. Ferris 1918-6-12 907 Los Angeles In desert road between Oban and Lancaster Comment
  UCR94661  Sporobolus airoides A. C. Sanders, E. J. Lott 1993-5-6 13952 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  SEINET4044589  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  POM4030  Stachys albens D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA219229  Stachys albens C. W. Tilforth, John Dourley 1970-9-17 308 Los Angeles East Fork San Gabriel River. Comment
  RSA166506  Stachys bullata W. G. Webb 1935-3-4 s.n. Los Angeles Glendale. Comment
  SD38745  Stachys bullata Edith A. Purer 1931-5-8 Los Angeles Griffith Park. Comment
  SD215446  Stanleya pinnata Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3389 Los Angeles Little Rock Creek; Joshua Tree Campground on the southwest side of Little Rock Reservoir. 997 Comment
  UCSB33628  Stanleya pinnata Fong, Fred 1963-5-15 Los Angeles Little Rock Dam, San Gabriel Mountains 914 Comment
  PASA1286  Stellaria media Annetta Carter 1929-1-9 Los Angeles Base of Sierra Madre Mts. Comment
  RSA732536  Stellaria media A. C. Sanders, Mark Elvin, C. Weigand, M. S. Enright, M. Balk, N. Gale, A. Parikh 2003-3-5 25715 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Grapevine Mesa ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon. 335 Comment
  SEINET4077821  Stellaria media R. Moran 1941-1 706 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UCD99449  Stellaria media Colin M. Wainwright 1971-3-26 121 Los Angeles 5 miles north of Claremont. Evey Canyon, off Baldy Road. 1036 Comment
  CAS-BOT-BC397705  Stellaria nitens Le Roy Abrams 1901-4-3 1289 Los Angeles Santa Monica Mts 335 Comment
  POM96969  Stellaria nitens P. A. Munz 1925-4-23 9434 Los Angeles San Gabriel Canyon. 488 Comment
  SBBG125838  Stellaria nitens A. Parikh, N. Gale 2010-5-25 3223 Los Angeles Sierra Pelona, 4.8 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1025 Comment
  RSA65760  Stellaria nitens F. W. Peirson 1918-5-26 43 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 853 Comment
  RSA232818  Stephanomeria blairii R. F. Thorne 1966-4-16 36029 Los Angeles San Clemente Island, canyon S of Lemon Tank, S of Nanny, NE side of island 152 Comment
  RSA301950  Stephanomeria blairii M. A. Piehl 1962-6-10 62398 Los Angeles San Clemente Island: canyon E. of Thirst. 305 Comment
  CAS-BOT-BC375135  Stephanomeria cichoriacea Wesley O. Griesel 1961-9-23 s.n. Los Angeles Switzers Camp, San Gabriel Mts. 762 Comment
  CAS-BOT-BC375146  Stephanomeria cichoriacea Peter H. Raven; Henry J. Thompson 1959-9-27 14502 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Sepulveda Canyon 243 Comment
  JEPS19705  Stephanomeria cichoriacea Peter H. Raven 1957-9-21 11357 Los Angeles 2.5 mi above U. S. Hwy 101 A (Topanga Canyon); Santa Monica Mountains, Topanga Canyon Comment
  SBBG42292  Stephanomeria diegensis M. B. Dunkle 1939-4-3 7229 Los Angeles Chenetti Cyn Comment
  RSA588687  Stephanomeria exigua subsp. coronaria Orlando Mistretta 1995-7-12 1906 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 Comment
  POM290699  Stephanomeria exigua subsp. exigua Arthur L. Cohen 1935-8-2 521 Los Angeles Park. Comment
  SBBG67920  Stephanomeria pauciflora R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  POM184069  Stephanomeria virgata P. A. Munz 1932-8-31 12816 Los Angeles Playa Del Rey Comment
  RSA474248  Stephanomeria virgata Robert Gustafson 1981-7-15 2332 Los Angeles Ballona Wetlands, Area 2 Comment
  SEINET13276799 Image available Stephanomeria virgata subsp. virgata R. G. Swinney 2011-1 15877 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  UCR255491  Stipa pulchra Dan S. Cooper 2014-5-30 514- 47 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, '1-Mile Tree' at clay lens on west side of upper Western Canyon 261 Comment
  UCR86826  Stipa pulchra Scott D. White 1995-4-27 2949 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  RSA587754  Streptanthella longirostris Timothy S. Ross 1991-4-27 4692 Los Angeles Mojave Desert: ca 0.85 mi W of Three Sisters and1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' [not on 1968 topo], running northward to the W of BBB Rd for about 1.2 miles., Then rejoining it NW of Three Sisters. 944 Comment
  CAS-BOT-BC376001  Stylocline gnaphaloides C. F. Baker 1909-3-20 5258 Los Angeles Claremont Comment
  RSA589318  Stylocline gnaphaloides Timothy S. Ross 1995-5-21 8610 Los Angeles San Clemente Island: Terrace near the head of Snail Canyon just on the E side of the snail's raised neck, 1650 ft N of Slope triangulation point (781-ft) and 6250 ft SSE of Rest tri. pt. (1336-ft); 247 Comment
  UCR260403  Stylocline gnaphaloides R. G. Swinney 2010-2-27 11668 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  SBBG20562  Suaeda taxifolia E. R. Blakley 1963-12-8 6404 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  SBBG78010  Suaeda taxifolia F. R. Fosberg 1931-5-18 4893 Los Angeles Little Harbor 2 Comment
  RSA0047905  Symphoricarpos mollis R. G. Swinney 2010-6-4 13063 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  RSA733164  Symphoricarpos rotundifolius var. parishii R. G. Swinney 1997-6-13 5587 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  SD211536  Symphyotrichum greatae Scott M. White, Chris Huntley 2008-9-30 12546 Los Angeles San Gabriel Mountains: San Gabriel River - West fork between Bear Creek and Cogswell Dam (Azusa) 609 Comment
  RSA587537  Syntrichopappus lemmonii Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1113 Los Angeles Santiago Canyon. Ridge on W edge of Santiago Cyn. watershed, approximatly 1 mi. S of Mt. Emma. 1387 Comment
  SFV21425  Tanacetum parthenium L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1096 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 Freeway. South of freeway will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457<