Search Results — 2000 specimen records retrieved (1562 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
  RSA384195  Abies concolor L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Pines County Park, Angeles Forest Comment
  UCD134219  Abies concolor J. Latting 1973-6-24 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek site, Fenner Canyon, north side of mountains. 1585 Comment
  RSA460979  Abronia John P. Hill 1929-3-1 s.n. Los Angeles El Segundo. Comment
  UC7609  Abronia maritima J. H. Barber 1907-1-25 Los Angeles So. Santa Monica Comment
  SD133059  Abronia pogonantha E. La Rue, R. Montijo 2-4 Apr 1991 91 11 Los Angeles Palmdale; south of Avenue M and E of Sierra Highway, north of Air Force Plant. 792 Comment
  RSA127989  Abronia umbellata H. J. Thompson 1958-10-23 1821 Los Angeles Point Dume. 30 Comment
  HSC16145  Abronia villosa C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  CHSC26544  Acacia longifolia D. Freed 1967-5-20 97 Los Angeles 1/4 mile west of Rose Bowl, Pasadena. 76 Comment
  UCR177134  Acacia longifolia Joseph M. Keefe 2001-1-19 30946 Los Angeles Transverse Ranges; Verdugo Mts region; San Rafael Hills, south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles 305 Comment
  CAS-BOT-BC412557  Acanthoscyphus parishii Geo. B. Grant 1902-6-12 s.n. Los Angeles Summit of Mt. Wilson 1828 Comment
  RSA329739  Acer macrophyllum Gary D. Wallace 1966-3-25 217 Los Angeles Millard Canyon north of Pasadena 915 Comment
  RSA394174  Acer macrophyllum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
Read comments
Nov 14 2011
  RSA0104646  Achillea millefolium R. G. Swinney 2011-5-6 14605 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 793 Comment
  UC1587731  Achillea millefolium Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5102 Los Angeles above, on rd near top of e escarpment, 1400 ft nnw of the 553 ft BM Nots Pier; San Clemente Island 138 Comment
  SEINET7300423 Image available Achnatherum coronatum R. F. Thorne, C. W. Tilforth 1971-6-17 39926 Los Angeles 1.3 miles below Bear Divide Station junction along Little Tujunge Canyon Rd., San Gabriel MTS., Angeles National Forest 671 Comment
  CAS-BOT-BC260440  Achnatherum hymenoides Ernest C. Twisselmann 1966-4-27 12106 Los Angeles Mojave Desert. Hi Vista 868 Comment
  POM365955  Achnatherum hymenoides Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA772111  Achnatherum hymenoides R. G. Swinney 2009-5-12 10740 Los Angeles lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164?) of Littlerock 1061 Comment
  RSA595458  Achnatherum speciosum Timothy S. Ross, Victor W. Steinmann 1995-5-8 8569 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  RSA713722  Achnatherum speciosum LeRoy Gross 2005-4-28 2142 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA715215  Achnatherum speciosum Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1950 Los Angeles Fort Tejon Road. Comment
  RSA746865  Achnatherum speciosum Orlando Mistretta 1992-5-21 362 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  UC173995  Acmispon argophyllus var. argenteus G. B. Grant Apr 1904 6257 Los Angeles Santa Catalina Island. Comment
  SDSU4282  Acmispon argophyllus var. argophyllus R. M. Beauchamp 1967-1-27 110 Los Angeles San Clemente Island. Plentiful seedling in field east of Wilson Cove area. Comment
  SD69605  Acmispon dendroideus var. dendroideus Robert F. Thorne, P. Everett 1965-5-10 34426 Los Angeles Santa Catalina Island, rocky bluff along Summit Road near Hogsback 91 Comment
  SEINET957372  Acmispon grandiflorus T. R. Van Devender 1983-1 s.n. Los Angeles Santa Monica Mountians, Topanga Canyon, Fernwood. Comment
  CHSC95445  Acmispon heermannii var. heermannii LeRoy Gross; Wayne Law 2000-8-8 178 Los Angeles Big Tujunga Wash/Verdugo Mountains Region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 324 Comment
  CATA2030  Acmispon strigosus Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-5-2 640 Los Angeles Santa Catalina Island: S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak 256 Comment
  SD69788  Acmispon strigosus Robert F. Thorne 1966-4-6 35891 Los Angeles Santa Catalina Island, dry ridge between White & Moonstone Coves 14 Comment
  RSA0119797  Acourtia microcephala R. G. Swinney 2014-5-15 16508 Los Angeles San Gabriel Mountains; Glendora, ridge system between west fork and north fork of Hook Cyn., 0.48 miles n. of Sierra Madre Ave. 427 Comment
  UCR133645  Acourtia microcephala A. C. Sanders 2003-7-15 27098 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  SEINET5543328  Acroptilon repens S. Boyd, M. Elvin, V. Jotikasthira 1996-1 8866 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land. 853 Comment
  RSA682666  Adenostoma fasciculatum LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 Los Angeles 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. 556 Comment
  UC1870251  Adenostoma fasciculatum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1087 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 556 Comment
  UCR154617  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato 2005-4-26 29757 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  UCR255792  Adenostoma fasciculatum R. G. Swinney 2010-3-10 11821 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  RSA390563  Adenostoma fasciculatum var. fasciculatum Bonnie C. Templeton 1960-5-14 8446 Los Angeles Mint Canyon near Solemint. Comment
Read comments
Jul 14 2011
  RSA608507  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1930-5-3 30 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA650374  Adenostoma fasciculatum var. fasciculatum Eleanor McClung 1937-5-20 184 Los Angeles Griffith Park. Comment
  UCR189936  Adenostoma sparsifolium T. B. Salvato, Sandra Murcia 2007-10-18 3091 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  UCR208110  Adiantum capillus-veneris F. R. Fosberg 1931-5-4 R- 95 Los Angeles Channel Islands, Santa Catalina Island; below second bridge below Eagles Nest 140 Comment
  SFV14728  Adiantum capillus-veneris J. C. Dittes, P. Dittes 1989-10-28 13 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. About 1 mile up river from highway. 671 Comment
  CAS-BOT-BC65634  Adiantum jordanii L. R. Abrams; I. L. Wiggins 1931-7-6 368 Los Angeles Vicinity of Mosquito Harbor Comment
  UC811117  Adiantum jordanii Ira W. Clokey, B. Templeton May 1929 4538 Los Angeles Mandeville Canyon; Santa Monica Mts 350 Comment
  RSA678694  Adiantum jordanii Mark Elvin, Orlando Mistretta 1996-3-24 136 Los Angeles Eagle Canyon, San Clemente Island. 244 Comment
  UCR53297  Aegilops biuncialis B. Lennart Johnson 1965-1 G 637 Los Angeles Grown at University of California, Los Angeles 152 Comment
  OBI13982  Aesculus californica Louis C. Wheeler 1931-10-25 336 Los Angeles Oakgrove Cyn near Sawmill Mt 1067 Comment
  RSA651725  Ageratina adenophora Paul M. Inman 1983-4-8 50883 -13 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, growing at streamside of Winter Creek at 2400' el. at the weir located directly at Hoegee's Camp. 731 Comment
  UC832667  Agoseris heterophylla var. heterophylla M. E. Jones 1882-5-3 3222 Los Angeles Pasadena Comment
  RSA0098373  Agoseris retrorsa R. G. Swinney 2011-6-6 14994 A Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA710600  Agoseris retrorsa R. K. Brummitt 1998-5-24 20016 Los Angeles San Gabriel Mountains, Cow Canyon, Glendora Ridge Road 1300 Comment
  RSA6656  Agrostis stolonifera Theodore Payne 1933-08 s.n. Los Angeles Bel Air, Santa Monica Mountains. Comment
  JEPS104752  Allium John L. Morrison 1937-6-18 2551 Los Angeles San Gabriel Mountains; a ridge between Windy Camp and Mount Hawkins Comment
  RSA626099  Allium fimbriatum var. fimbriatum LeRoy Gross 1999-4-29 157 Los Angeles Sierra Pelona Mountains. 1371 Comment
  UC440353  Allium lacunosum C. Epling, L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  RSA70171  Allium monticola F. W. Peirson 1918-6-17 267 Los Angeles Rock Creek Divide Comment
  RSA366489  Allium peninsulare var. peninsulare Anstruther Davidson 1921-6-1 3426 Los Angeles San Gabriel Mountians Comment
  CATA1568  Allium praecox Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2836 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  CATA649  Allium praecox Mark L. Hoefs 1991-4-18 1123 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  SBBG133415  Allium praecox S. McDonough, J. Lambert 2005-3-25 44 -05 Los Angeles Jack Cyn, E slope, on NE facing, 560 deg slope 196 Comment
  IRVC27308  Allophyllum divaricatum A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27146 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UCD118000  Allophyllum glutinosum Daryl Koutnik 1978-6-25 562 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  UCR65266  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S- 05413 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon 30 Comment
  LA204078  Alnus rhombifolia Carl Clawson Epling; 1925-1-10 6424 Los Angeles San Gabriel Mountains, San Dimas Canyon Comment
  LA204083  Alnus rhombifolia W. B. Welch; 1928-4-15 55 Los Angeles San Gabriel Mountains, Big Tujunga Comment
  LA34178  Alnus rhombifolia Peter H. Raven; Henry J. Thompson 1958-10-11 13747 Los Angeles Santa Monica Mountains, Las Tunas Canyon, near Coast Highway Comment
  SEINET13297616 Image available Alnus rhombifolia R. G. Swinney 2011-1 14236 Los Angeles San Gabriel Mts.: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. (Glendora 7.5' Q.) (T1N R9W S13) 475 Comment
  UCR219436  Alnus rhombifolia R. G. Swinney 2009-3-28 10181 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  CATA555  Amaranthus albus Mark L. Hoefs, Robert F. Thorne 1975-8-7 819 Los Angeles Santa Catalina Island: By reservoir at Middle Ranch 213 Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  LA202296  Amblyopappus pusillus Arthur C. Gibson; 2005-6-6 5045 Los Angeles Santa Monica Mountains, Point Dume, Point Dume Natural Preserve, Trail to Point Dume Comment
  SBBG52775  Amblyopappus pusillus M. B. Dunkle 1939-4-5 7268 Los Angeles China Pt Comment
  SBBG12924  Ambrosia chamissonis E. R. Blakley 1962-6-10 5252 Los Angeles large beach dunes near Wall 2 9 Comment
  UCD128776  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  UCR123361  Ambrosia psilostachya A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25475 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  UCR210528  Ambrosia psilostachya R. G. Swinney 2008-12-4 9948 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  RSA279130  Ambrosia psilostachya R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45101 Los Angeles Santa Catalina Island: near bridge over stream lower end of Cottonwood Canyon. 30 Comment
  CAS-BOT-BC272926  Ambrosia salsola Le Roy Abrams; E. A. McGregor 1908-7-2 542 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1158 Comment
  POM305742  Amorpha californica Henry J. Ramsey, Henry J. Ramsey 1937-6-27 912 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  CAS-BOT-BC180601  Amorpha californica var. californica I. Johnston 1917-6-14 1348 Los Angeles Hills west of Pomona 304 Comment
  UCR186875  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32081 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
  RSA213399  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UCR223476  Amsinckia tessellata R. G. Swinney 2009-5-28 10937 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  POM320304  Amsinckia tessellata var. tessellata Lynne Hayden, C. W. Tilforth 1970-4-25 73 Los Angeles San Gabriel Mountains: Near Pretty O Ranch on N4 off of route 138 to Lancaster. 1219 Comment
  SD69485  Anagallis arvensis Robert F. Thorne 1966-4-6 35890 Los Angeles Santa Catalina Island: grassy, semi-shaded slope above Moonstone Cove 14 Comment
  UCR86833  Anagallis arvensis Scott D. White 1995-4-27 2960 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
  LA39067  Anagallis arvensis Harlan Lewis; 1940-8-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA465144  Anagallis arvensis E. S. Spalding 1923-3-16 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  CAS-BOT-BC45259  Ancistrocarphus filagineus Ralph Hoffman 1932-4-27 s.n. Los Angeles Lancaster Comment
  SEINET10511405  Andropogon glomeratus var. pumilus Moxley 1917-9-3 MOXLEY 632 Los Angeles Eaton Canyon. Comment
  RSA0073121  Anemopsis californica Mark L. Hoefs 1995-5-16 2027 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors. 104 Comment
  UCR191317  Anisocoma acaulis R. G. Swinney 1998-7-2 6258 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR222783  Anisocoma acaulis R. G. Swinney 2009-4-28 10549 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CAS-BOT-BC84666  Anthemis cotula Herman Knoche 1919-6-25 Series A, No. 899 Los Angeles Catalina Island Comment
  UCR206472  Anthriscus caucalis A. C. Sanders, T. B. Salvato 2009-5-19 36833 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
  UCR220371  Anthriscus caucalis R. G. Swinney 2009-4-16 10363 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA0020366  Antirrhinum coulterianum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5071 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0053883  Antirrhinum coulterianum R. G. Swinney 2010-5-11 12640 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA739613  Antirrhinum coulterianum John Dittes 2006-6-4 1395 Los Angeles Western Transverse Range, Simi Hills, N of Santa Susana Road, 2.4 air miles NW of Chatsworth High School, 1.1 air miles W of Topanga Blvd, 0.7 air mile ENE of Santa Susana Pass. 404 Comment
  UCR281611  Antirrhinum kelloggii R. G. Swinney 2014-5-21 16644 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
  POM4291  Antirrhinum multiflorum I. M. Johnston 1917-6-20 s.n. Los Angeles San Antonio Canyon. 1067 Comment
  SFV16678  Antirrhinum multiflorum P. Wilson, J. M. Albert 1996-6-12 3446 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  SBBG95460  Antirrhinum nuttallianum subsp. subsessile M. B. Dunkle 1928-4-29 1903 Los Angeles Little Harbor Comment
  RSA65886  Aphanisma blitoides P. A. Munz 1923-4-10 3479 Los Angeles San Clemente Island, middle of island Comment
  RSA595130  Apiastrum angustifolium Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8564 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  UC1587661  Apocynum androsaemifolium Tim Ross 1991-8-14 5776 Los Angeles Roundtop Mt. San Gabriel Mts., Chilao Flat USGS 7.5' Quad 1722 Comment
  RSA733180  Aquilegia formosa R. G. Swinney 1998-8-6 6676 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
Read comments
Aug 10 2009
  UCR43316  Aquilegia formosa David Charlton 1986-6-15 287 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  SBBG125467  Arabis eschscholtziana A. Parikh, N. Gale 2010-6-18 3335 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.4 km W of Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1220 Comment
  RSA0126237  Arabis glabra var. glabra Fred Cox 1916-4-15 s.n. Los Angeles Johnson's Pasure, above Claremont Comment
  RSA482630  Arabis pulchra Anstruther Davidson 1893-5-12 s.n. Los Angeles Del Sur. Comment
Read comments
Jan 26 2011
  SEINET11092524  Arabis pulchra Unknown 1944-4-20 s.n. Los Angeles Monrovia Canyon, L.A. Canyon and Co., Calif. Comment
  POM9794  Arceuthobium occidentale Philip A. Munz 1921-4-24 4423 Los Angeles Sandbergs, Ridge Road. 1524 Comment
  RSA97430  Arceuthobium occidentale F. W. Peirson 1921-6-15 2322 Los Angeles Chilao, San Gabriel Mountains. 1646 Comment
  CAS-BOT-BC23856  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1965-5-12 34599 Los Angeles Santa Catalina Island, wooded slopes of Bulrush Canyon. 274 Comment
  UC1871322  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Channel Islands; Santa Catalina Island; SW part of the island in the vicinity of Cactus Peak (1560 ft); slope and small ridges N of Cactus Peak summit 402 Comment
  POM367257  Arctostaphylos glandulosa subsp. glandulosa B. C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  CAS-BOT-BC23061  Arctostaphylos glandulosa subsp. mollis Mrs. Joseph Clemens 1922-5-30 s.n. Los Angeles Mt. Love Comment
  RSA589299  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1990-6-8 2901 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
  RSA626784  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20214 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA733767  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 2000-6-19 7831 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  RSA631463  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16030 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631625  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20192 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA756172  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-4 2337 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  UC101568  Arctostaphylos glauca C. F. Baker 1904-2-15 4013 Los Angeles San Antonio Canyon Claremont Comment
  SD49831  Arctostaphylos parryana A. E. Wieslander 1938-5-7 750 Los Angeles San Antonio Quadrangle, head of Swarthout Valley 2025 Comment
  RSA634765  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20607 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA635055  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20370 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635172  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20579 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA635192  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20384 Los Angeles Road to Pacifico Mtn., 3.7 km east of Mill Creek Summit, San Gabriel Mtns. 1710 Comment
  RSA635267  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20634 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UC1181380  Arctostaphylos patula Peter Kamb 1947-6-13 604 Los Angeles e slope Mount San Antonio Comment
  RSA772364  Argyranthemum foeniculaceum R. G. Swinney 2009-5-9 10711 Los Angeles Azusa/Duarte, San Gabriel River channel, 0.5 mi. north of Foothill Blvd. under the Puente Largo railway bridge 184 Comment
  POM182057  Argyrochosma jonesii L. C. Wheeler 1933-2-22 1475 Los Angeles Little Rock Creek. 1066 Comment
  RSA589512  Aristida adscensionis Timothy S. Ross, Gery Allan, Mark Elvin 1995-5-21 8597 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  CAS-BOT-BC146302  Aristida ternipes var. gentilis Geo. B. Grant 1905-4-2 66 -6459 Los Angeles Altadena. Comment
  UCR132943  Artemisia douglasiana Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  SBBG125907  Artemisia douglasiana A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37023 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, sw lobe of Irwindale between Baldwin Park and El Monte 92 Comment
  SEINET13276703 Image available Artemisia dracunculus R. G. Swinney 2011-1 15868 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 (Crystal Lake 7.5' Q.) 1000 Comment
  UC205761  Artemisia ludoviciana subsp. incompta Geo. B. Grant 1904-8-1 68 a Los Angeles Pasadena Comment
  RSA239443  Artemisia nesiotica Reid V. Moran 1958-9-15 6833 Los Angeles San Clemente Island: canyon 1.8 miles SE of Eel Point. 100 Comment
  CAS-BOT-BC97268  Artemisia tridentata subsp. parishii Grant 1901-7-13 4407 Los Angeles Palmdale Comment
  SBBG62478  Artemisia tridentata subsp. parishii L. R. Abrams 1916-10-31 6363 Los Angeles Fremont's Pass, near Newhall Comment
  RSA417399  Artemisia tridentata subsp. tridentata E. Fitzgerald 1930-07 s.n Los Angeles Eastern Sierra: opposite Devil's Punchbowl, Angeles National Forest. Comment
  SD251176  Artemisia tridentata subsp. vaseyana Jane Tirrell, Graham Bothwell 2012-9-14 LSO 173 Los Angeles Transverse Ranges: San Gabriel Mountains region: Soth side of California State Route 2 at turnout by Big Rock Creek drainage, ca. 1.5 mile west of Dawson Saddle. 2312 Comment
  UC284821  Asclepias californica P. A. Munz 1923-5-26 6852 Los Angeles Vincent Gulch San Gabriel Mts. 2011 Comment
  UCR199715  Asclepias eriocarpa Scott D. White, Justin Wood 2008-6-4 12052 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  UCSB10295  Asclepias eriocarpa Gill, Robert 1959-6-10 Los Angeles Johnson's pasture, north of Claremont; San Gabiel Mt. Range; Pacific Slope Drainage Area Comment
  RSA401114  Asclepias vestita Anstruther Davidson 1893-7-4 1940 Los Angeles Rock Creek. Comment
  RSA748402  Asphodelus fistulosus Richard G. Swinney 2008-4-4 8606 Los Angeles lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  LA94123  Aspidotis californica Lawrence L. Kiefer; 1966-3-19 1742 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  RSA0092548  Aspidotis californica Richard G. Swinney, Chris Clarke, Veronica Pallan 2011-4-5 14349 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  UC450864  Aspidotis californica Fay A. MacFadden 1931-3-29 2607 Los Angeles Tuna Canyon; Verdugo Hills Comment
  UCR208182  Aspidotis californica I. W. Clokey, B. C. Templeton 1929-1 4435 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  CAS-BOT-BC65786  Aspidotis californica 1903-4-1 s.n. Los Angeles Santa Anita Caves, Southern Calif. Comment
  RSA686313  Aspidotis californica L. C. Wheeler 1932-2-11 444 Los Angeles Foothills of San Gabriel Mountains. 2 miles N Thompson Creek Dam 670 Comment
  LA202863  Asplenium vespertinum Lawrence L. Kiefer; 1966-11-12 2530 Los Angeles San Gabriel Mountains, Iron fork of the E. fork of the San Gabriel River, ca. 0.5 mi up from the Iron Fork Camp 1036 Comment
  RSA93782  Aster greatae F. W. Peirson 1918-10-16 4733 Los Angeles Rubio Canyon, southern base of San Gabriel Mountains 732 Comment
  RSA229251  Astragalus brauntonii Silence Reynolds 1942-1 s.n. Los Angeles Santa Monica Mountains Comment
  NY621862  Astragalus brauntonii P. O. Schallert 1943-5-7 s.n. 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
  SBBG68228  Astragalus didymocarpus R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake to Antelope Valley Comment
  RSA233488  Astragalus douglasii var. douglasii R. F. Thorne 1972-6-29 42074 Los Angeles San Bernardino National Forest, Lone Pine Canyon. 1098 Comment
  UC862687  Astragalus douglasii var. douglasii Carl B. Wolf 1932-10-21 4365 Los Angeles 1 mi e below Big Pines Park (Swartout Valley, (Swarthout Valley?), San Gabriel Mts.); San Gabriel Mts., Swartout Valley, below Big Pines Park 1981 Comment
  RSA415518  Astragalus gambelianus Anstruther Davidson 1908-01 s.n Los Angeles Hollywood. Comment
  RSA593775  Astragalus gambelianus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8556 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  PASA2733  Astragalus layneae M. Stason, F. Brubaker 1930-5-18 215 Los Angeles Lovejoy Buttes, Mohave Desert Comment
  CAS-BOT-BC187375  Astragalus lentiginosus var. variabilis Timothy S. Ross 1991-4-28 4736 Los Angeles Mojave Desert: ca 940 m due W of the big butte of Three Sisters along shallow wash that runs NW toward 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... 941 Comment
  RSA114362  Astragalus lentiginosus var. variabilis Percy C. Everett 1956-5-9 21564 Los Angeles Mojave Desert, 6 miles S of Lancaster along Highway 6. 762 Comment
  SBBG12719  Astragalus miguelensis E. R. Blakley 1962-6-9 5192 Los Angeles China Pt 3 Comment
  SBBG80333  Astragalus miguelensis F. C. Boutin 1967-4-23 1625 Los Angeles N end of SMC at West Cove; on sand dunes Comment
  UC1215233  Astragalus nevinii Peter H. Raven 1962-7-11 18007 Los Angeles on bluffs above ocean 1 mi s Wilson Cove (San Clemente Island); , s of Wilson Cove Comment
  UC557768  Astragalus nevinii Nell Murbarger April, 1936 124 Los Angeles w side and s end San Clemente Island (near the ocean); w side and s end San Clemente Island Comment
  CAS-BOT-BC194250  Astragalus pachypus Alice Eastwood; John Thomas Howell 1937-4-26 3973 Los Angeles Near Palmdale Comment
  UC311822  Astragalus purshii var. tinctus P. A. Munz 1921-6-17 4614 Los Angeles Swartout Valley San Antonio Mts., Swartout Valley 2286 Comment
  UCR280639  Astragalus trichopodus Mike Misenhelter 2017-4-18 s.n. Los Angeles Los Angeles Basin; Puente Hills, edge of Rose Hills Cemetery, off Workman Mill Rd. near Puente Hills Landfill and Rio Hondo College 274 Comment
  RSA415738  Astragalus trichopodus var. lonchus E. A. Purer, Freda Detmers 1931-3-12 s.n Los Angeles Palos Verdes Hills. Comment
  SBBG27811  Astragalus trichopodus var. lonchus M. R. Benedict 1965-12-7 Los Angeles point E of Parson's Landing 3 Comment
  POM1739  Astragalus trichopodus var. lonchus D. L. Crawford, Otis Hiatt 1916-3-29 572 Los Angeles Santa Monica Mountains. Comment
  SD113705  Astragalus trichopodus var. lonchus Darley F. Howe Apr 1915 53 Los Angeles Claremont Comment
  LA105538  Astragalus trichopodus var. phoxus Barry A. Prigge; 1989-5-13 8747 Los Angeles Santa Suzana Mountains, Blind Canyon, slope of canyon, ca 1.7 mi NW of the junction of Simi Valley Fwy and Topanga Blvd, N of Chatsworth. 457 Comment
  POM442  Athysanus pusillus P. A. Munz 1918-4-5 2028 Los Angeles South Hills, Pomona. Comment
  RSA751519  Atriplex amnicola Carl Wishner, A. Gale 2005-8-12 1 -36 Los Angeles LAX: Santa Monica Mountains, Malibu Lagoon State Beach. 3 Comment
  SEINET3929858  Atriplex amnicola Howard C. Stutz 1991-4-16 95464 Los Angeles Malibu Lagoon. (Cross Creek).; 0 Comment
  RSA659936  Atriplex canescens subsp. canescens Orlando Mistretta 1992-5-18 326 -A Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  CAS-BOT-BC170016  Atriplex confertifolia Carl B. Wolf 1932-9-15 4085 Los Angeles Antelope Valley, 2 blocks W. of center of town of Lancaster - Mojave Desert 718 Comment
  UCR222988  Atriplex confertifolia R. G. Swinney 2009-5-5 10637 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR95166  Atriplex lentiformis Steve Boyd, Valerie Soza, V. Jotikasthira, Lauren Raz 1996-7-11 8908 Los Angeles Liebre Mountains, Castaic Creek from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  POM653  Atriplex microcarpa L. R. Abrams 1903-3-14 3137 Los Angeles San Pedro Hills, near Rocky Point. Comment
  CAS-BOT-BC180947  Atriplex nummularia Carl B. Wolf 1931-12-30 2637 Los Angeles Playa del Rey 30 Comment
  UC217446  Atriplex nummularia S. B. Parish 1918-6-5 11871 Los Angeles Seacoast bluffs Playa del Rey (Southern California) Comment
  CAS-BOT-BC180912  Atriplex pacifica Robert F. Thorne; P. Everett 1965-6-24 35035 Los Angeles Near small poind impounded by dam in lower Cottonwood Canyon, Santa Catalina Island 45 Comment
  CAS-BOT-BC27903  Atriplex parishii Samuel Bonsal Parish; William Fletcher Parish 1881-10-1 1119 Los Angeles Costa Station Comment
  RSA600604  Atriplex rosea L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Grandview Canyon, 1/4 mile south of Largo Vista. 1432 Comment
  RSA188196  Atriplex semibaccata R. F. Thorne, P. Everett 1965-6-23 s.n. Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA587185  Atriplex semibaccata Scott D. White 1995-12-5 3763 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way 5 Comment
  SBBG98680  Atriplex semibaccata T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5064 Los Angeles lower Wilson Cove Cyn; draw SW of and above pier operations 15 Comment
  UC494403  Atriplex semibaccata Philip A. Munz 1932-8-31 12820 Los Angeles Playa del Rey Comment
  RSA453956  Atriplex semibaccata Robert Gustafson 1980-8-8 1893 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA0012148  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Newhall Ranch, Salt Creek 274 Comment
  SBBG130605  Atriplex suberecta S. A. Junak 2000-10-12 SCa 1408 Los Angeles Middle Ranch stables 198 Comment
  CAS-BOT-BC146032  Avena barbata Louis C. Wheeler 1934-4-2 2499 Los Angeles Puddingstone Dam, San Jose Hills. 304 Comment
  RSA177769  Avena barbata R. F. Thorne, Percy C. Everett 1965-5-11 34587 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  UCR223020  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  OBI28971  Avena fatua David J. Keil 1976-12-12 11882 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 1128 Comment
  SEINET6082852  Avena fatua Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  LA206325  Azolla filiculoides Peter H. Raven; Henry J. Thompson 1959-10-18 14676 A Los Angeles Santa Monica Mountains, N arm of Malibu Lake 220 Comment
  UCR127384  Baccharis glutinosa A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25525 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC98153  Baccharis salicifolia Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7419 Los Angeles Palos Verdes Peninsula : Rancho Palo Verdes; un-named horeshoe-shaped canyon to the NE of upper Forrestal Drive; 173 Comment
  RSA0055946  Baccharis salicifolia Richard G. Swinney 2010-4-30 12463 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0088413  Baccharis salicifolia R. G. Swinney 2010-2-27 11747 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  RSA101668  Baccharis salicifolia G. R. Proctor 1944-02 779 Los Angeles Sepulveda Canyon Comment
  UCR197189  Baccharis salicifolia Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 669 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCSB10357  Baccharis salicifolia Wedberg, H. 1957-3-25 Los Angeles Sepulveda Can. Comment
  RSA93198  Baccharis salicifolia F. W. Peirson 1925-4-23 5802 Los Angeles Forks of San Gabriel River. 534 Comment
  CAS-BOT-BC100029  Balsamorhiza deltoidea Ernest C. Twisselmann 1959-6-2 5319 Los Angeles Summit of Liebre Mountain 1638 Comment
  UCR1482  Bellis perennis B. L. Estes 1960-5-8 s.n. Los Angeles San Fernando Valley, [Sunland-Tujunga] on lawn in Sunland Park 442 Comment
  CAS-BOT-BC75746  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles About one-half mile south of San Fernando. Comment
  POM14761  Berberis nevinii Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  SEINET6078263  Berberis nevinii Mark Elvin, Wall, M. 1997-1 Los Angeles Comment
  LA201016  Berberis pinnata subsp. pinnata Carl Wishner; 1992-2-26 sn Los Angeles 150.0 Comment
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Aug 23 2018
  SBBG59656  Berula erecta R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  RSA177680  Beta macrocarpa R. F. Thorne, P. C. Everett 1965-5-11 34538 Los Angeles Santa Catalina Island. Shoreline along Catalina Harbor. Comment
  CAS-BOT-BC102042  Bidens laevis C. F. B. 1903-10-1 3727 Los Angeles Pomona Comment
  UCR219431  Bidens pilosa R. G. Swinney 2009-3-28 10187 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  SEINET10570447  Bloomeria aurea Hermann E. Hasse Hasse s.n. 1890 Los Angeles Open hills and plains Comment
  CLARK-A1528-1519  Bloomeria crocea John C. Roos 1947-5-11 3606 Los Angeles Pomona Comment
  RSA652692  Bloomeria crocea Phillip Robinson 1991-5-19 368 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd and Workman Mill Road. 1.75 miles east of Workman Mill Rd on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  UC714921  Boechera arcuata R. C. Foster 1937-4-3 149 Los Angeles ne of Claremont (mouth of Evey Canyon, foothills of San Gabriel Mts.); San Gabriel Mts., Evey Canyon Comment
  CAS-BOT-BC30965  Bolboschoenus maritimus Louis C. Wheeler 1932-9-19 1392 Los Angeles Los Angeles R. at Los Feliz Blvd. 121 Comment
  POM78661  Bothriochloa barbinodis Albert J. Perkins 1920-2-11 s.n. Los Angeles Glendora. Little Dalton Trail. Comment
  LA212296  Bougainvillea spectabilis Jack Pepper; 1950-8-27 s.n. Los Angeles Cheviot Hills Comment
  UC1228873  Bowlesia incana Peter H. Raven 1962-4-10 17215 Los Angeles about 2 mi n of Thirst (San Clemente Island); San Clemente Island 487 Comment
  CATA1838  Brachypodium distachyon Denise Kraus 2000-4-27 17 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break ridge. At GHB Transect 15 381 Comment
  CATA779  Brachypodium distachyon Mark L. Hoefs 1991-6-5 1341 Los Angeles Santa Catalina Island: Hill above Hamilton Cove 91 Comment
  UCR260328  Brassica nigra R. G. Swinney 2010-5-4 12553 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
  CDA3598  Brassica rapa subsp. sylvestris T. S. Ross, Annette Ross 1991-3-7 4135 Los Angeles Elephant Hill, Western Pomona. Comment
  CHSC20919  Brickellia californica Robert A. Schlising 1971-10-28 3007 Los Angeles Lopez Canyon, north of Pacoima. Comment
  UCD129632  Brickellia californica John Thomas Howell 1950-11-9 27482 Los Angeles 4 miles south of Newhall on Foothill Blvd. Comment
  UCR117564  Brickellia californica A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23266 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  UCR61056  Brickellia californica R. G. Swinney 1989-11-24 1493 Los Angeles San Gabriel Mtns, San Gabriel Mountains, vicinity Glendora Wilderness Park, Big Dalton Canyon Road Comment
  RSA127930  Brickellia californica Peter H. Raven, A. Thompson 1958-10-11 13765 Los Angeles 4.2 mi. E of top of Saddle Peak on Piuma Road 640 Comment
  CATA316  Brodiaea jolonensis Mark L. Hoefs, A. Douglas Propst 1973-6-5 343 Los Angeles Santa Catalina Island: Middle Ranch Canyon 182 Comment
  CAS-BOT-BC144331  Bromus L. R. Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  UCR186569  Bromus arenarius A. C. Sanders 2006-4-25 32197 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
  CAS-BOT-BC221626  Bromus carinatus R. G. Swinney 2009-6-3 11034 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
  RSA0101378  Bromus carinatus Scott D. White 1998-6-4 6650 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned Community. 427 Comment
  RSA133407  Bromus carinatus P. H. Raven 1959-5-3 14061 Los Angeles Santa Monica Mountains. Mulholland Drive near Beverly Glen Boulevard, (34?N; 118-119?W) 381 Comment
  SD132494  Bromus carinatus Andrew C. Sanders 1988-2-18 7692 Los Angeles El Segundo Dunes; W of L.A. Intl. Airport between Pershing Dr and Vista Del Mar Blvd; on sandy flats behind the beach 4 Comment
  SEINET10468524  Bromus carinatus H. Lewis 1941-3-19 Lewis s.n. Los Angeles Faculty hill. Ucla campus. Comment
  RSA675933  Bromus diandrus LeRoy Gross 2003-3-9 793 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCR281616  Bromus diandrus R. G. Swinney 2014-5-21 16640 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
  UCD58632  Bromus grandis L. R. Abrams 1902-6-29 2600 Los Angeles Summit of Mt. Wilson. Comment
  RSA0116899  Bromus grandis Lyman Benson 1945-5-11 11700 Los Angeles Canyon below Johnson's Pasture, Claremont. Mt. Range: San Gabriel. 548 Comment
  LA27124  Bromus hordeaceus Frank W. Gould; 1944-4-12 2283 Los Angeles along 120th Street near Western Avenue Comment
  POM20731  Bromus hordeaceus P. A. Munz 1923-4-9 6654 Los Angeles Wilson's Cove, San Clemente Island. Comment
  SBBG95223  Bromus hordeaceus M. B. Dunkle 1928-3-31 1777 Los Angeles Little Harbor Comment
  OBI32507  Bromus madritensis subsp. rubens Robert Lee Allen, David J. Keil and V. L. Holland 1982-4-16 A 488 Los Angeles Along State Hwy 138; 18 mi E of intersection with I-5 in Gorman 823 Comment
  SBBG12186  Bromus rubens P. H. Raven 1962-4-9 17146 Los Angeles near barracks, Wilson Cove 60 Comment
  UCD59510  Bromus rubens B. Crampton 1955-4-28 2728 Los Angeles Along old State Hwy. 138, 15.5 miles west of Lancaster. Comment
  RSA709606  Bromus sterilis A. C. Sanders, A. Thompson 2003-4-15 25993 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  CHSC35832  Bromus tectorum James Henrickson 1979-5-18 18113 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; flats S of creek. 402 Comment
  UCR152886  Bromus tectorum A. C. Sanders, Helen Kennedy 2005-4-13 29438 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR192158  Bromus trinii A. C. Sanders 2008-4-18 34974 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, at lowest wash-crossing of road in canyon 1029 Comment
  SBBG31240  Cakile maritima R. F. Thorne 1966-4-6 Los Angeles White's Landing 1 Comment
  UCR97793  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SD255841  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles San Gabriel Mountains: West Fork Kagel Canyon, 0.5 miles west of Kagel Canyon Rd, along Lopez Rd, 10-100 meters east of Lopez Rd (San Fernando 7.5'Q) 164 Comment
  UCR281609  Calandrinia breweri R. G. Swinney 2014-5-19 16558 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA533926  Calandrinia maritima Timothy S. Ross, Orlando Mistetta, Mike Hammitt 1991-5-19 5233 Los Angeles San Clemente Island: southeast end of island; easternmost branch of Snake Cactus Canyon (drainage beginning 2350 feet due W of Guds) 131 Comment
  RSA0081390  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  CAS-BOT-BC132267  Calochortus catalinae H. M. Hall 1902-5-11 3263 Los Angeles Sierra Santa Monica Comment
  CAS-BOT-BC132285  Calochortus catalinae Alice Eastwood 1906-5-27 19 Los Angeles Garvanza Comment
  RSA133380  Calochortus catalinae Peter H. Raven, Henry J. Thompson 1959-4-3 13929 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
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Mar 25 2017
  RSA188171  Calochortus catalinae Robert F. Thorne 1966-4-4 35780 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  IRVC27979  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26132 Los Angeles Castaic Mesa, Newhall Ranch, 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 Western San Gabriel Mtns. 488 Comment
  POM1713  Calochortus clavatus var. gracilis Edith Moles 1999-6-12 65 Los Angeles Cobels Canon. [Cobal Canyon?] 457 Comment
  RSA600025  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-5-6 9710 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, north of confluence with Bee Canyon and south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA627540  Calochortus clavatus var. gracilis Sandy Leatherman, Scott D. White 1998-5-15 9 Los Angeles Western Liebre Mountains. West of Castaic Lake and east of Interstate 5. 610 Comment
  RSA584392  Calochortus invenustus Timothy S. Ross, Darin L. Banks 1994-6-21 7984 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2175 m NW of Pac. Mtns 7124-foot summit 1939 Comment
  RSA702940  Calochortus invenustus Scott D. White 2004-8-11 10718 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA25286?  Calochortus kennedyi var. kennedyi Robert F. Thorne 1973-5-11 43509 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA788644  Calochortus plummerae D. E. Bramlet 2011-6-16 4876 Los Angeles Upper Maple Canyon, 10m SW of Angeles Forest Hwy and 1.4 km east of Big Tujunga Rd. 917 Comment
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Aug 24 2014
  UCR280680  Calochortus plummerae R. G. Swinney 2014-5-27 16683 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  JEPS61715  Calochortus splendens Frank W. Peirson 1922-6-4 3089 Los Angeles Soledad Canyon San Gabriel Mountains 457 Comment
  RSA0009996  Calochortus splendens Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCR155343  Calochortus venustus A. C. Sanders 2005-5-5 29863 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  POM351395  Calycadenia tenella Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 365 Comment
  LA204511  Calycanthus occidentalis Frank C. Vasek; June 1952 sn Los Angeles Kings Canyon Comment
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May 26 2015
  SBBG25467  Calyptridium monandrum M. A. Piehl 1963-5-18 63310 Los Angeles foothills just N of Goode Pass 914 Comment
  SD230272  Calyptridium monospermum V. W. Steinmann 1996-6-17 916 Los Angeles San Gabriel Mountains: 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
  RSA0095350  Calystegia felix Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  SBBG98626  Calystegia macrostegia subsp. amplissima T. Ross 1991-5-20 5351 Los Angeles ca. 5500 ft S of Wilson Cove settlement; 2500' NW of 750' Benchmark 185 Comment
  POM147454  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA640248  Calystegia macrostegia subsp. intermedia R. F. Thorne, C. W. Tilforth 1971-4-9 41553 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  RSA0004010  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1929-7-1 8448 Los Angeles Mt. Pacifico. 1905 Comment
  RSA682509  Calystegia peirsonii Scott D. White, Michael Honer 2003-5-7 9216 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  UCR125945  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-19 25200 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  CAS-BOT-BC292507  Calystegia sepium subsp. binghamiae LeRoy Abrams 1899-4-1 310 Los Angeles Cienega Comment
  CHSC57475  Camissonia L. Mayer; I. Mayer 1974-4-10 166 Los Angeles Hwy 18 ca. 1 mi nw of its junction with Hwy 138. Comment
  RSA717319  Camissonia A. C. Sanders, Mark A. Elvin 2003-4-14 25958 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt services road, south of Santa Clara River. 351 Comment
  SBBG131588  Camissonia S. A. Junak 2000-4-15 SCa 1218 Los Angeles E of Lone Tree, at head of cyn, next to top of S-facing bluffs 445 Comment
  POM3088  Camissonia bistorta E. L. Brown 1893-05 s.n. Los Angeles Los Angeles, Elysian Park Comment
  RSA0058202  Camissonia californica Richard G. Swinney 2010-10-15 14052 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SEINET13203250 Image available Camissonia californica R. G. Swinney 2011-1 14515 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA587237  Camissonia californica Orlando Mistretta 1994-5-11 1186 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  CHSC26011  Camissonia campestris subsp. campestris James Henrickson 1971-5-2 5536 Los Angeles 15 mi. E. of Palmdale, 3 mi. N. of Hwy. 138 along 167 St. So. of Lovejoy Buttes in Mojave Desert. 944 Comment
  RSA679953  Camissonia campestris subsp. campestris LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 879 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA700490  Camissonia campestris subsp. campestris LeRoy Gross, Paul Morton 2004-6-9 1356 -a Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  RSA75690  Camissonia campestris subsp. campestris F. W. Peirson 1917-5-13 4515 Los Angeles Near Little Rock, Mojave Desert. Comment
  POM3230  Camissonia hirtella Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  POM97145  Camissonia hirtella P. A. Munz 1925-4-23 9427 Los Angeles San Gabriel Canyon. 488 Comment
  RSA448979  Camissonia hirtella Unspecified 1915-8-1 1931 Los Angeles Camp Baldy, San Gabriel Mts. So. Calif. Comment
  UCR223491  Camissonia hirtella R. G. Swinney 2009-6-8 11076 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
  RSA250438  Camissonia ignota Robert F. Thorne, R. Carolin, C. Davidson 1967-3-23 41607 Los Angeles San Gabriel Mountains 1067 Comment
  RSA449015  Camissonia intermedia Anstruther Davidson s.n. Los Angeles Hollywood. Comment
  RSA653474  Camissonia micrantha Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 786 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  RSA653779  Camissonia micrantha J. Bogdanoff-Lord 1989-5-17 16 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA756628  Camissonia pallida subsp. pallida Orlando Mistretta, Christine Mistretta 2008-4-17 2488 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA0036302  Camissonia strigulosa LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6974 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
  RSA4785  Camissonia strigulosa James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  UC1871252  Camissonia strigulosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4961 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UC1871311  Camissonia strigulosa T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5006 Los Angeles Transverse Ranges; Liebre Mountains region; Acton: ca half mile E of the center of town, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash. T5N R13W SE 1/4 NE 1/4 SE 1/4 section 36; elevation ca 2725 ft. 831 Comment
  LA200692  Camissoniopsis cheiranthifolia subsp. suffruticosa Harlan Lewis; 1940-4-3 1278 Los Angeles Santa Monica Mountains, 10 mi. N of Malibu Beach Comment
  UCR273298  Camissoniopsis confusa R. G. Swinney 2011-5-10 14648 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SBBG61466  Camissoniopsis hirtella R. Hoffmann 1929-5-21 Los Angeles hills above Elizabeth Lake Comment
  RSA199999  Cannabis sativa H. J. Thomassen 1968-1 s.n. Los Angeles In yard in Santa Monica. Comment
  RSA608610  Capsella bursa-pastoris L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  UCR229502  Cardamine Dan S. Cooper 2011-3-8 311- 39 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SFV1450  Cardamine californica P. G. Kilburn 1958-2-15 604 Los Angeles Santa Monica Mountains Sepulveda Canyon, Mission Fire Road. Ravine going south about 200 yards west of Sepulveda Blvd. 366 Comment
  RSA162707  Cardamine californica var. californica J. Olmstead 1960-2-24 1106 Los Angeles Wolfskill Canyon at junction with San Dimas Canyon 518 Comment
  RSA484621  Cardamine californica var. integrifolia L. E. Hoffman 1926-3-18 s.n. Los Angeles Arryo Seco, Angeles Forest. Comment
  UCR216748  Cardamine hirsuta R. G. Swinney 2009-2-20 10005 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  SEINET12004991  Cardamine integrifolia J. F. Bright 1934-1 9251 Los Angeles Santa Monica Coast Range Comment
  UCR190257  Cardamine oligosperma R. G. Swinney 2000-5-21 7780 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  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
  RSA587452  Carex alma Orlando Mistretta 1995-4-11 1619 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
  UCR190936  Carex alma R. G. Swinney 1999-7-14 7556 Los Angeles San Gabriel Mtns., Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  SEINET7549363 Image available Carex alma Louis C. Wheeler 1967-5-24 9732 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  RSA191166  Carex hassei Robert F. Thorne, M. Z. Thorne 1967-7-19 37188 Los Angeles San Gabriel Mountains. 1981 Comment
  RSA230053  Carex multicaulis Robert F. Thorne 1971-6-26 40594 Los Angeles Summit of Mt. Wilson 1738 Comment
  CAS-BOT-BC118972  Carex pellita John Thomas Howell 1947-7-18 23429 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  RSA729229  Carex subfusca R. G. Swinney 1998-7-14 6416 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UCR147049  Carex subfusca L. C. Wheeler 1967-9-3 10622 Los Angeles Transverse Ranges; San Gabriel Mountains, 0.2 mile northeast of Bench Mark 'Twin ' at summit of Waterman Mountain 2363 Comment
  RSA229088  Carex subfusca Robert F. Thorne 1969-7-29 38850 Los Angeles wet, open N facing slope above Angeles Crest Hwy, N and below Lily spring at headwaters of S fork, Big Rock Creek, ca 2 mi. S of Dawson Saddle 2317 Comment
  OBI69331  Carex triquetra John Knapp, Denise Knapp 2003-5-10 59 Los Angeles Catalina Island 396 Comment
  SFV16023  Carpobrotus edulis A. M. Orcino, A. Sutton 1994-4-23 6 Los Angeles Playa del Rey Beach, corner of Pacific Ave. and Convoy St., 0.1 mile north of Culver Blvd. 2 Comment
  RSA0065412  Castanopsis sempervirens Marion P. Harthill 1971-9-25 585 Los Angeles Mt. Baden Powell, Angeles National Forest. Comment
  SBBG32136  Castilleja affinis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -222 Los Angeles S of dam spillway, Middle Ranch Comment
  RSA425905  Castilleja affinis subsp. affinis Edwin Kline 1923-4-2 s.n. Los Angeles San Gabriel Canyon. Comment
  RSA188541  Castilleja applegatei subsp. martinii Robert F. Thorne, John Olmsted 1965-8-26 35407 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  RSA448683  Castilleja applegatei subsp. martinii Bonnie C. Templeton 1932-6-17 4909 Los Angeles Big Pines Park, San Gabriel Mtns. Comment
  RSA641679  Castilleja applegatei subsp. martinii Orlando Mistretta 1993-6-2 846 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2043 Comment
  UCR259233  Castilleja exserta Mitch Provance, Callen Huff 2009-4-29 10697 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  UC538073  Castilleja exserta subsp. exserta David D. Keck 1935-3-18 3018 Los Angeles 2 mi e El Monte; San Gabriel River 91 Comment
  POM184712  Castilleja foliolosa Joseph A. Ewan 1932-5-29 7192 Los Angeles Lower Arrastre Canyon, San Gabriel Mountains 915 Comment
  RSA764939  Castilleja foliolosa Doris Bowers 1957-3-23 296 Los Angeles Rocky Point, LaVerne 335 Comment
  RSA101715  Castilleja foliolosa N. B. Perrue 1920-7-13 s.n. Los Angeles So. Pasadena Comment
  UCD122557  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon. 1.6 miles south of Green Valley (Spunky Canyon Road). Comment
  RSA448650  Castilleja linariifolia Roger Minahan 1934-06 20144 Los Angeles Valyermo, San Gabriel Mountains. Comment
  JEPS27010  Castilleja miniata Gale Sphon 1959-7-4 Los Angeles 1 mi n Little Jimmy Springs (Angeles Crest Highway); Angeles National Forest Comment
  POM71664  Castilleja plagiotoma F. W. Peirson 1921-7-3 2727 Los Angeles Blue Ridge, south of Swartout Valley 2287 Comment
  RSA706432  Castilleja plagiotoma LeRoy Gross 2005-6-23 2374 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1642 Comment
  UC1318481  Castilleja subinclusa subsp. subinclusa G. T. Nordstrom 1935-4-21 469 Los Angeles 0.5 mi n Tejon Pass; Tejon Quad. 1280 Comment
  SD90075  Casuarina acutivalvis Austin Griffiths Jr. 1961-1-11 4077 Los Angeles La Canada. Comment
  POM184669  Caulanthus amplexicaulis var. amplexicaulis Joseph A. Ewan 1932-5-29 7183 Los Angeles Arrastre Canyon 1402 Comment
  UCR190395  Caulanthus cooperi R. G. Swinney 2001-4-18 7901 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  CAS-BOT-BC168644  Caulanthus coulteri A. C. Sanders; E. J. Lawlor 1988-4-3 7741 Los Angeles Tehachapi Mtns.: SW end of [theTehachapi] the Tehachapi Mtns, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  SFV7995  Caulanthus heterophyllus T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1361 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  UCR219919  Caulanthus lasiophyllus R. G. Swinney, Jane Strong 2009-4-21 10398 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCR223086  Caulanthus lasiophyllus R. G. Swinney 2009-5-13 10767 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR190931  Caulanthus major R. G. Swinney 1998-7-2 6200 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  NY201964  Ceanothus arboreus J. B. Walker 1995-6-5 1429 Los Angeles Santa Catalina Island, along Airport Rd, 4km N of Avalon 200 Comment
  RSA399160  Ceanothus arboreus George B. Grant, Walter Wheeler 1904-4-21 1931 Los Angeles Santa Catalina Island Comment
  RSA286440  Ceanothus cordulatus Mary H. O'Brien 1976-5-30 s.n. Los Angeles San Gabriel Mountains; Table Mountain. .7 miles uptable Mountqains Road from big Pines Ranger Station, Hwy 2, then 0.8 mi east on Forest Road 4N21 2043 Comment
  RSA398868  Ceanothus crassifolius Anstruther Davidson 1921-5-1 s.n. Los Angeles San Gabriel Mt Comment
  UC1071006  Ceanothus crassifolius F. H. Raymond 1930-3-3 54 Los Angeles San Rafael Mountains 243 Comment
  RSA524622  Ceanothus greggii var. vestitus Tim S. Ross, S. D. Boyd 1990-5-17 2591 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  CAS-BOT-BC50146  Ceanothus integerrimus Geo. B. Grant 1900 to 1905 149 Los Angeles Mt. Wilson Comment
  JEPS42399  Ceanothus integerrimus Frank W. Peirson 1918-5-26 111 Los Angeles Toll Rd San Gabriel Range, Mt. Wilson 1143 Comment
  RSA670705  Ceanothus integerrimus Bonnie C. Templeton 1956-6-3 7688 Los Angeles Between Mt. Wilson and Charlton Flats, San Gabriel Mountains. Comment
  JEPS85804  Ceanothus leucodermis Roy E. Buck 1989-6-23 1350 Los Angeles ca 0.1 air km nnw Icy Springs (lowermost ne facing slope of canyon of upper Big Bear Creek, 26 air km nn3 o fGlendora, just e of ruins of old house); San Gabriel Mts. 1737 Comment
  POM8740  Ceanothus megacarpus P. A. Munz, R. D. Harwood 1920-5-15 3959 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA399107  Ceanothus megacarpus E. Crow 1929-1-13 148 Los Angeles Crow's Nest, E. Glendora Comment
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Oct 26 2015
  RSA261705  Ceanothus megacarpus var. insularis T. S. Brandegee 1889-05 s.n. Los Angeles Santa Catalina Island. Comment
  SEINET12210588  Ceanothus oliganthus R. F. Thorne 1971-1 41509 Los Angeles San Gabriel Mts.: lower Evey Canyon off San Antonio Canyon 716 Comment
  SEINET12211381  Ceanothus oliganthus N. C. Coile, Coile, R. W.; Keeley, J.; Keeley, S. 1985-1 4452 Los Angeles San Gabriel Mountains, 0.3 mi on Angeles Forest Road from jct with Angeles Crest Highway Comment
  UCR217435  Ceanothus sorediatus R. G. Swinney 2009-2-26 10046 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  SEINET3162960  Ceanothus spinosus G. B. Grant, W. Wheeler 1904-5-17 145 a-6230 Los Angeles Collected at Mt. Wilson; southern California 1829 Comment
  UCR3986  Ceanothus spinosus Art Whistler 1965-4-13 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., c. 50 yards south of intersection of Canyon Drive with Mulholland Hwy, in Calabasas 335 Comment
  RSA0056482  Ceanothus vestitus Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  RSA755955  Celtis australis Dan S. Cooper 2007-5-4 1 Los Angeles Griffith Park. c. 300 m south of Travel Town in small side canyon. Comment
  RSA0107273  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon. 1085 Comment
  RSA0082898  Centaurea melitensis R. G. Swinney 2010-5-7 12585 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
  RSA719491  Centaurea melitensis Gary Kovnat, LeRoy Gross 2003-6-28 45 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SBBG95251  Centaurea melitensis M. B. Dunkle 1928-4-11 1845 Los Angeles Emerald Bay 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
  LA200884  Centranthus ruber Jonathan Sauer; 1971-4-11 4859 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Pacific Palisades. 60 Comment
  RSA585340  Centrostegia thurberi Tim S. Ross 1991-4-27 4642 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (and hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line. 1183 Comment
  RSA607606  Cerastium fontanum subsp. vulgare L. C. Wheeler 1966-10-27 9096 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  SBBG127991  Cerastium glomeratum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2826 Los Angeles hillside above New York Harbor 54 Comment
  SEINET12161227  Ceratonia siliqua L. F. Allabach 1921-1 s.n. Los Angeles Pasadena Comment
  OBI10229  Cercocarpus betuloides Louis C. Wheeler 1933-3-31 1559 Los Angeles Topango Cyn, Santa Monica Mts 152 Comment
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May 29 2014
  SEINET8722757 Image available Cercocarpus betuloides F. R. Fosberg 1931-1 S 4282 Los Angeles Hamilton Canyon, Santa Catalina Island. Canyon floor, Upper Sonoran Zone. Alt. 10 m. 10 Comment
  LA52112  Cercocarpus betuloides var. betuloides A. M. Johnson; 1927-11-11 2702 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  RSA177860  Cercocarpus betuloides var. blancheae Robert F. Thorne 1965-5-12 34638 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  SBBG32102  Cercocarpus betuloides var. blancheae R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -185 Los Angeles Wild Boar Gully Comment
  CAS-BOT-BC143815  Cercocarpus ledifolius var. ledifolius Le Roy Abrams; E. A. McGregor 1908-7-5 663 Los Angeles Lone Pine Canyon, slopes of the San Gabriel Mountains Comment
  SD69647  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36900 Los Angeles Santa Catalina Island; Salta Verde, lateral gully to Wild Boar Gully. 213 Comment
  POM351643  Chaenactis artemisiifolia Fay A. MacFadden 1931-5-25 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCD130356  Chaenactis glabriuscula A. C. Sanders 2005-5-5 29870 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon. 518 Comment
  UCR190432  Chaenactis glabriuscula R. G. Swinney 2000-5-19 7686 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  CAS-BOT-BC277371  Chaenactis glabriuscula var. glabriuscula Le Roy Abrams 1899-4-1 211 Los Angeles Ballona Harbor Comment
  JEPS34157  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1920-5-3 8925 Los Angeles near Newhall Comment
  JEPS34174  Chaenactis glabriuscula var. glabriuscula F. W. Peirson 1921-5-19 1399 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 975 Comment
  RSA0068254  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-3-22 12083 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA0083017  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-5-12 12765 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA49617  Chaenactis santolinoides A. D. E. Elmer 1902-06 3802 Los Angeles Acton, Mt. Gleason. Comment
  RSA741139  Chaenactis santolinoides Naomi Fraga, Duncan S. Bell 2008-6-30 2295 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  UC1595725  Chaenactis stevioides W. Wisura and E. Roeder 1992-4-21 4695 Los Angeles near Valyermo (Mountain Brook Ranch); West Mojave Comment
  UCR252876  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA94398  Chaenactis xantiana F. W. Peirson 1922-7-5 3163 Los Angeles Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains 2209 Comment
  UC1746161  Chamaesyce Annetta M. Carter 1946-4-23 1759 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  SFV2080  Chamaesyce albomarginata M. L. Vincent 1962-5-19 253 Los Angeles Mojave Desert Between Pearblossom and Valyermo, 1 mile from Highway 138. 975 Comment
  POM2854  Chamaesyce albomarginata L. R. Abrams 1902-5-31 2480 Los Angeles Railroad embankment. Inglewood. Comment
  RSA611359  Chamaesyce albomarginata Lauren Raz, S. D. Boyd, Mike Kinney 1998-3-17 188 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road., Near 34 degrees 35' 05''N 118 degrees 10' 40''W 853 Comment
  JEPS93565  Chamaesyce maculata Steven A. Junak 1990-11-8 SCI- 144 Los Angeles n. end San Clemente Isl. (just s.e. of passenger terminal building at airfield) 60 Comment
  RSA610142  Chamaesyce melanadenia L. C. Wheeler 1936-7-3 4211 Los Angeles San Gabriel Mountains: Bailey Canyon. 396 Comment
  UC1184975 Image available Chamaesyce melanadenia Huron H. Smith 1912-5-3 4933 Los Angeles Azusa; ; Azusa, Los Angeles Co. 243 Comment
  RSA607632  Chamaesyce prostrata L. C. Wheeler 1949-10-12 6756 Los Angeles Los Angeles. USC Campus, lawn west of Doherty Library on 36 St. Comment
  CATA2920  Chamelaucium uncinatum Sara L. Crockett 1997-4-15 124 Los Angeles Santa Catalina Island: 326 Sumner Avenue 15 Comment
  CAS-BOT-BC166009  Chamerion angustifolium subsp. circumvagum Tim Ross 1990-8-17 3177 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the vicinity of Columbine Spring 2206 Comment
  UCR272615  Cheilanthes covillei R. G. Swinney 2011-10-27 15905 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 649 Comment
  RSA685695  Cheilanthes covillei T. R. Pray 1962-5-7 1896 Los Angeles Crystal Lake Road vbelow Soldier Creek crossing Comment
  UCR277255  Chenopodium R. G. Swinney 2010-9-30 13931 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA749856  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36992 Los Angeles San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  UCR109682  Chenopodium ambrosioides R. D. Goeden, Don W. Ricker 1968-12-3 s.n. Los Angeles San Gabriel Mtns., Whittier Narrows Dam, East San Gabriel 61 Comment
  RSA423308  Chenopodium ambrosioides F. R. Fosberg 1930-6-26 S 3028 Los Angeles Lower Ballona Creek. 8 Comment
  RSA738047  Chenopodium berlandieri Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills Comment
  SFV12663  Chenopodium berlandieri M. H. Grayum, D. L. Koutnik 1977-11-25 896 Los Angeles San Gabriel Mountains Vicinity of Vasquez Rocks, near Agua Dulce. 671 Comment
  UCR206492  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2009-5-21 36901 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR281160  Chenopodium berlandieri R. G. Swinney 2014-6-5 16713 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  UCR281622  Chenopodium berlandieri R. G. Swinney 2014-5-19 16570 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UC526235  Chenopodium botrys Louis C. Wheeler 1931-9-1 45 Los Angeles 2 mi n Claremont 411 Comment
  RSA526528  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4266 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA585376  Chenopodium californicum T. S. Ross 1991-4-27 4653 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  SBBG128436  Chenopodium californicum M. L. Hoefs 1995-5-16 2041 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  RSA533921  Chenopodium californicum T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5240 Los Angeles San Clemente Island: Southeast end of island; first un-named canyon S of Snake Cactus Canyon (drainage beginning 1420 feet due W of Guds) 152 Comment
  CDA3073  Chenopodium missouriense L. C. Wheeler 1973-10-28 s.n. Los Angeles Altadena 0 Comment
  SBBG106887  Chenopodium murale M. L. Hoefs, R. F. Thorne 1996-4-6 2611 Los Angeles Pebbly Beach 6 Comment
  SBBG11637  Chenopodium murale P. H. Raven 1962-5-9 17645 Los Angeles rd just N of Guds 249 Comment
  LA31620  Chenopodium murale Peter H. Raven; 1959-3-15 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA423255  Chenopodium murale Gertrude Dunn 1930-8-8 s.n. Los Angeles Arroyo Seco, S. Pasadena Comment
  SD90263  Chenopodium murale Robert F. Thorne 1973-4-12 42926 Los Angeles San Clemente Island: Pyramid Cove at south end of island 3 Comment
  RSA64805  Chenopodium pumilio L. C. Wheeler 1932-7-2 894 Los Angeles San Dimas Canyon. 457 Comment
  UCR95529  Chenopodium rubrum L. C. Wheeler 1946-8-28 6295 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  RSA369218  Chlorogalum pomeridianum H. L. Bauer 1932-6-1 s.n. Los Angeles Santa Monica Mountains. Near Saddle Peak. Comment
  IRVC26364  Chorizanthe coriacea A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26052 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
  RSA747982  Chorizanthe perfoliata R. G. Swinney 2005-5-14 8233 Los Angeles San Gabriel Mtns. N of Juniper Hills, S of Pear Blossom, SE corner of Tejon Road and Longview Rd. (131st street). 1091 Comment
  CAS-BOT-BC244812  Chorizanthe staticoides H. W. Grant 18 May 3887 Los Angeles Pasadena Comment
  POM2196  Chorizanthe staticoides I. M. Johnston 1914-5-13 27 P Los Angeles San Gabriel Wash. 152 Comment
  RSA579547  Chorizanthe watsonii Tim S. Ross, S. D. Boyd 1994-6-23 8059 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  UCR220061  Chorizanthe watsonii R. G. Swinney 2009-4-24 10443 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA476627  Chrysolepis sempervirens L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy Comment
  RSA761714  Chrysothamnus nauseosus subsp. consimilis R. G. Swinney 2008-10-10 9554 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  RSA188191  Cirsium occidentale var. californicum R. F. Thorne, Percy C. Everett 1965-6-22 34877 Los Angeles Santa Catalina Island: canyon behind Bird Park 91 Comment
  UC1215143  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles small arroyo above Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  UCR133722  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-29 S- 4709 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  CDA1604  Cirsium undulatum George Garrettson 1955-5-31 s.n. Los Angeles Puente; Supreme Dairy , E/ Covina Pass Rd. at Amar Ave. 0 Comment
  RSA533524  Cirsium vulgare Timothy S. Ross 1991-3-9 4171 Los Angeles Whittier Hills (Puente Hills, proparte) seepage. ca. 300ft. SW of Colima road & Camino del Sur. 213 Comment
  RSA172252  Cistanthe monandra R. F. Thorne 1963-5-15 31660 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1219 Comment
  RSA777921  Cistanthe monandra R. G. Swinney 2009-5-6 10672 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA595800  Citrullus lanatus Lauren Raz, S. D. Boyd 1996-10-23 053 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. 609 Comment
  SEINET7881405 Image available Citrus aurantium George B. Grant 1901-1 186 Los Angeles Pasadena Comment
  CAS-BOT-BC172443  Clarkia bottae Alice Eastwood 1919-5-29 8958 Los Angeles San Gabriel Canyon Comment
  HSC34836  Clarkia dudleyana R. E. Cooksey May 1972 39 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 573 Comment
  RSA453452  Clarkia dudleyana Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon, Wolfskill Canyon. 549 Comment
  RSA660062  Clarkia dudleyana Matt Bogdanoff 1981-5-24 20 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UC557685  Clarkia epilobioides Nell Murbarger April, 1936 172 Los Angeles San Clemente Island Comment
  UCR139440  Clarkia epilobioides Geo. L. Moxley 1915-5-31 329 Los Angeles San Gabriel Mtns., Sturtevant Trail Comment
  RSA660418  Clarkia epilobioides Orlando Mistretta 1992-5-21 391 Los Angeles Right Star Mine, S of Acton. Comment
  CAS-BOT-BC172544  Clarkia purpurea subsp. purpurea Dr. A. Davidson 1893-6-5 s.n. Los Angeles Elysian Park Comment
  RSA448325  Clarkia purpurea subsp. quadrivulnera Geo. L. Moxley 1917-5-10 s.n. Los Angeles Hill east of Eagle Rock Comment
  RSA590553  Clarkia purpurea subsp. quadrivulnera Tim S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  CAS-BOT-BC164724  Clarkia rhomboidea Geo. B. Grant 1902-6-10 648 Los Angeles Mt. Wilson 1828 Comment
  UCR256567  Clarkia rhomboidea Anuja Parikh, Nathan Gale 2011-6-27 3507 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, just east of Shortcut Station, 0.6 km north of State Hwy 2, Angeles Crest Hwy 1283 Comment
  CLARK-A1528-3373  Clarkia unguiculata John C. Roos 1942-6-6 989 Los Angeles Placerita Canyon Comment
  SFV21046  Clarkia unguiculata L. Gross, V. Soza 2001-6-6 436 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  CAS-BOT-BC439124  Claytonia exigua subsp. exigua Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4816 Los Angeles Liebre Mountains, NW Los Angeles County. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna. 1259 Comment
  RSA0039125  Claytonia parviflora R. G. Swinney 2010-5-11 12670 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR189274  Claytonia parviflora R. G. Swinney 1998-5-16 6086 Los Angeles San Gabriel Mountains/Mojave Desert, near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  CHSC83679  Claytonia parviflora subsp. parviflora John Dittes 1990-6-7 77 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 922 Comment
  UCSB72608  Claytonia parviflora subsp. parviflora Vanderplank, Sula 2005-5-6 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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
  RSA621258  Claytonia parviflora subsp. parviflora L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Head of Bear Canyon (off Soledad Canyon) at Santa Clara Divide Road. 1280 Comment
  UCR192834  Claytonia perfoliata R. G. Swinney 1998-7-2 6262 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 0.8 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  SDSU17715  Claytonia perfoliata S. H. Bullock 1968-3-26 15 Los Angeles Claremont, Blanchard Park, Mills Ave. between First and Sixth Streets. 351 Comment
  UCR199959  Claytonia perfoliata subsp. perfoliata Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1152 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 427 Comment
  CAS-BOT-BC91382  Clematis lasiantha Le Roy Abrams 1901-4-3 1306 Los Angeles Santa Monica Mountains. 304 Comment
  RSA612196  Clematis lasiantha Bill Campbell 1932-3-19 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  POM92  Clematis lasiantha L. R. Abrams 1901-04 1306 Los Angeles Santa Monica Mountains Comment
  RSA187647  Clematis ligusticifolia Robert F. Thorne 1966-9-14 36628 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 198 Comment
  UC545785  Clematis ligusticifolia Annetta M. Carter 1935-9-12 980 Los Angeles San Gabriel Mts., Chilao 1615 Comment
  UC625048  Clematis ligusticifolia F. R. Fosberg 1931-7-10 S 5367 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  RSA138242  Cleome isomeris P. H. Raven 1959-3-15 13845 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  CATA3156  Clinopodium douglasii Amy Catalano 2016-6-14 143 Los Angeles Santa Catalina Island: West of second bridge on Middle Ranch Road 231 Comment
  SEINET10472089  Clivia miniata Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4840 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  SFV3347  Collinsia bartsiifolia var. davidsonii W. G. Webb 1935-4-20 Los Angeles Mojave Desert Near Lancaster. Comment
  RSA776790  Collinsia callosa Orlando Mistretta, Christine Mistretta 2010-5-26 5213 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  LA52023  Collinsia heterophylla A. M. Johnson; 1925-4-26 4575 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
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Jun 25 2015
  RSA0037361  Collinsia heterophylla R. G. Swinney 2010-6-21 13269 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  SEINET2445255  Collomia grandiflora Tim Ross, Steve Boyd 1994-6-22 8023 a Los Angeles Liebre Mountains. N slope of Sawmill Mountain Complex: ca 1200 m (air) due E of Sawmill Mountain summit, along draw draining N to Hideaway Canyon. Burnt Peak 7/5' USGS Quadrangle.; 0 1500 Comment
  RSA305981  Colutea arborescens Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  RSA717843  Colutea arborescens R. G. Swinney 1991-8-3 1598 Los Angeles Glendora, Big Dalton Canyon Debris Basin 351 Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  CAS-BOT-BC59715  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1388 Los Angeles Santa Monica Mts. 3.1 mi. n. of highway 1 along Topanga Can. Blvd. Comment
  POM201985  Conium maculatum L. Crutcher 1933-6-21 s.n. Los Angeles Low waste place, 7th Street Bridge, Long Beach Comment
  RSA747096  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-19 36835 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  IRVC28990  Conium maculatum A. C. Sanders 2003-6-18 26932 Los Angeles in mouth of "Off-haul Canyon" ca. 1 mile west of Mayo Spur between San Martinez Grande Canyon the Ventura Co. line, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  SBBG31502  Constancea nevinii R. M. Beauchamp 1967-3-20 352 Los Angeles above beach rd between Avalon and Abalone Pt Comment
  RSA0043295  Convolvulus arvensis L. Haines 1949-7-22 s.n. Los Angeles Canoga Park. Comment
  UCR95188  Convolvulus simulans T. S. Ross 1995-5-21 8604 Los Angeles San Clemente Island, near head of Chenetti Canyon, just SW of the W prong of the trident formed at the top of the longest tributary; 1800 ft. SSE of Rest triangulation point (1336 ft.) 354 Comment
  LA32106  Conyza bonariensis Peter H. Raven; Henry J. Thompson 1959-9-18 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  UCR241697  Conyza floribunda Dan S. Cooper 2012-9-6 912- 78 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  UCR146541  Cordylanthus nevinii Scott D. White 2004-8-11 10704 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  RSA249802  Coreopsis bigelovii R. F. Thorne, C. W. Tilforth 1973-4-20 43022 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA617476  Coreopsis bigelovii Scott D. White 1998-6-23 6757 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon Road, S of I-14, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  RSA680112  Coreopsis bigelovii LeRoy Gross, Michael Denslow 2003-6-4 992 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southeast of Dawson Saddle, south side of Angeles Crest Highway (Hwy. 2) 2439 Comment
  CAS-BOT-BC287862  Coreopsis californica Ira L. Wiggins 1966-4-15 20590 Los Angeles Immediately E of JFL Motel, Pearblossom, Mojave Desert Comment
  RSA92473  Coreopsis californica F. W. Peirson 1917-5-13 2780 Los Angeles Near Little Rock, Mojave Desert. Comment
  POM247969  Coreopsis gigantea F. R. Fosberg 1931-3-27 4420 Los Angeles Pebble [Pebbly] Beach Road, Santa Catalina Island 50 Comment
  UC1119270  Corethrogyne filaginifolia Jerome S. Horton 1935-9-20 243 Los Angeles Pomona Quad., Big Dalton Dam Comment
  POM57995  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1902-8-27 2981 Los Angeles Edges of sand dunes, Playa del Rey Comment
  RSA640897  Corethrogyne filaginifolia var. peirsonii L. C. Wheeler 1967-8-13 10448 Los Angeles San Gabriel Mts.: across Soledad Canyon from second RR tunnel down canyon from Bear Canyon 548 Comment
  UCR65251  Cotula australis F. R. Fosberg 1931-4-8 S- 04506 Los Angeles Channel Islands, Santa Catalina Island, Avalon 10 Comment
  SBBG31373  Cotula coronopifolia R. F. Thorne with P. C. Everett 1965-5-11 34658 Los Angeles above Cottonwood Dam in Cottonwood Cyn 45 Comment
  UCR231154  Crassula connata R. F. Thorne, James Henrickson 1963-5-5 32307 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  CAS-BOT-BC427739  Crassula connata Geo. B. Grant 1905-4-8 s.n. Los Angeles Pasadena, Johnston Ranch Comment
  RSA251454  Crassula connata var. erectoides R. F. Thorne 1966-4-17 36119 Los Angeles San Clemente Island, upper reaches of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
  RSA251477  Crassula connata var. erectoides R. F. Thorne 1973-4-11 42800 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  SD85057  Cressa truxillensis var. vallicola Martin A. Piehl 1963-12-7 63105 Los Angeles San Clemente Island; tip from Pyrimid Head and opposite triangulation poinRock. 9 Comment
  SBBG115421  Crocanthemum scoparium var. vulgare E. R. Blakley 1963-4-10 5585 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  SBBG28867  Crocanthemum scoparium var. vulgare I. W. Clokey, B. Templeton -May-1929 4490 Los Angeles Mandeville Cyn 250 Comment
  CAS-BOT-BC175826  Crossosoma californicum W. S. Lyon 1884-1-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA397741  Crossosoma californicum F. R. Fosberg 1931-5-21 S 4939 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  SEINET9253026 Image available Croton californicus T. Elias, W. Wisura 1984-7-27 8514 Los Angeles North of Malibu; Point Dume. Comment
  UC527249  Croton californicus C. B. Wolf 1913-5-13 2001 Los Angeles on road from Tujunga to San Fernando near bridge; Pacoima Wash 365 Comment
  UCD141952  Croton californicus B. Pitzer 1996-5-5 2848 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill. 408 Comment
  UCR125173  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  SEINET12143264  Croton californicus C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  UCR191724  Cryptantha A. C. Sanders 2008-4-23 35066 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  RSA549913  Cryptantha Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 124 Los Angeles San Clemente Island, approx. 2 km SSW of Wilson Cove on W side of island. 20 Comment
  SD104888  Cryptantha circumscissa Darley Howe 1979-4-30 5086 Los Angeles 2 miles northwest of Devil's Punch Bowl 1435 Comment
  SD230183  Cryptantha circumscissa Louis C. Wheeler 1968-5-27 Los Angeles San Gabriel Mountains: Alimony Ridge. 1493 Comment
  UCR221905  Cryptantha circumscissa R. G. Swinney 2009-4-28 10522 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  CAS-BOT-BC189517  Cryptantha circumscissa var. circumscissa G. B. Grant 1906-6-20 6691 Los Angeles Summit, Mount Wilson Comment
  POM368362  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-25 669 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 140 Comment
  POM296756  Cryptantha intermedia Lyman Benson 1945-5-21 11727 Los Angeles Claremont: Indian Hill. Pacific Slope Drainage Area. 396 Comment
  SBBG63814  Cryptantha intermedia R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  SFV15337  Cryptantha intermedia J. C. Dittes, C. Dittes 1990-3-31 56 Los Angeles San Gabriel Mountains Along Little Tujunga Canyon Road, opposite to entrance of Wildlife Waystation. 640 Comment
  UCR89949  Cryptantha intermedia Scott D. White, Chet McGaugh 1995-6-6 3222 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  UC1587729  Cryptantha intermedia Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5132 Los Angeles 1400 ft sse Jack (not Jack Point) (and 1350 ft nw of the mouth of Larkspur Canyon, near a solitary Prunus lyonii, e escarpment San Clemente Island); San Clemente Island 144 Comment
  RSA705036  Cryptantha micrantha Gary D. Wallace, M. Wallace 1983-5-20 2079 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UC563991  Cryptantha muricata Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UCR266387  Cryptantha muricata D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4370 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 415 Comment
  UCR276880  Cryptantha muricata R. G. Swinney 2011-6-7 15089 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
  SEINET13203242 Image available Cryptantha muricata var. denticulata R. G. Swinney 2011-1 14598 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break (Glendora 7.5' Q.) (T1N R9W S8) 1006 Comment
  RSA0079374  Cryptantha muricata var. jonesii T. S. Ross, Steve D. Boyd 1990-5-17 2585 Los Angeles San Gabriel Mts.: Mill Creek Tree Plantation, Tujunga District, Angeles National Forest. 1613 Comment
  RSA0091783  Cryptantha muricata var. muricata R. G. Swinney 2011-7-7 15440 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA0079617  Cryptantha muricata var. muricata Orlando Mistretta 1992-9-4 796 Los Angeles San Gabriel Mountains: Yerba Buena Trail; Tujunga Ranger District. 1433 Comment
  UCR153561  Cryptantha nevadensis var. rigida A. C. Sanders, T. B. Salvato 2005-4-26 29725 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  RSA0055754  Cryptantha oxygona R. G. Swinney 2010-5-19 12813 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. 1335 Comment
  RSA586462  Cryptantha oxygona Orlando Mistretta, Steve D. Boyd 1994-6-21 1368 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  IRVC26660  Cryptantha pterocarya L. C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek, 0.75 mi N of Big Rock Springs San Gabriel Mtns. 1159 Comment
  SEINET9318798  Cryptantha pterocarya Unknown 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn). Pinyon-juniper woodland and chaparral, burned in c. 2006; with Quercus john-tuckeri, Eriogonum fasciculatum poliofolium, Poa secunda, etc. Comment
  UCR194068  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UCR277397  Cryptantha similis R. G. Swinney 2010-6-1 13167 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  SBBG95684  Cryptantha traskiae A. Liston, O. Mistretta, L. Rieseberg 1989-4-29 801 -3 Los Angeles main dune area at Darter Rd, NW part of island Comment
  RSA733586  Cuscuta R. G. Swinney 1998-7-24 6562 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  POM156517  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. Comment
  RSA409679  Cuscuta californica R. F. Folger 1930-1-18 s.n. Los Angeles El Segundo. 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
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA228946  Cycladenia humilis var. venusta R. F. Thorne 1971-8-25 41290 Los Angeles along trail E of Windy Gap toward Mt. Hawkins 2346 Comment
  CAS-BOT-BC190266  Cynodon dactylon Geo. B. Grant 1900-4-17 s.n. Los Angeles Pasadena. Comment
  POM1181  Cynodon dactylon Shaw 1900-6-13 s.n. Los Angeles Claremont. 365 Comment
  RSA650403  Cynodon dactylon Toppenberg 1961-6-3 s.n. Los Angeles West Covina. Comment
  SEINET3128836  Cynodon dactylon G. B. Grant 1904-5-10 133 /6187 Los Angeles Pasadena 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
  RSA593598  Cyperus eragrostis Steve Boyd, Orlando Mistretta 1996-5-23 8827 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC472181  Cyperus eragrostis J. Ewan 1931-7-31 4778 Los Angeles Telegraph Rd. near Santa Fe Crossing Comment
  SEINET7582153 Image available Cyperus involucratus Louis C. Wheeler 1945-6-3 6061 Los Angeles San Gabriel Mountains, west fork, San Gabriel Canyon, 1 mile west of Fork. Comment
  RSA0092241  Cyperus squarrosus R. G. Swinney 2010-9-7 13705 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA650357  Dactylis glomerata Nancy Gould 1977-5-13 24 Los Angeles Cal Poly Campus, Pomona. Comment
  RSA173361  Datisca glomerata J. D. Olmsted 1959-9-30 1062 Los Angeles Along Mt. Baldy Trail to water supply meadow, above Camp Baldy; then left on side trail for 1.5 miles to stream crossing. 1860 Comment
  HSC21243  Datura wrightii C. E. Fellows 1965-9-3 122 Los Angeles 3/10 mi. W of Cold Creek Rd. on Mulholland Rd. Comment
  OBI78472  Datura wrightii Tony Simon 1994-4-30 s.n. Los Angeles San Gabriel Mts, Big Tujunga Rd 2 mi from base 91 Comment
  RSA470779  Daucus pusillus F. R. Fosberg 1931-4-12 S- 4573 Los Angeles Near Jewfish Point, Santa Catalina Island. 3 Comment
  SBBG120059  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210, N of Santa Fe Railroad, E of San Gabriel River channel 171 Comment
  UCR147755  Daucus pusillus Valerie Soza, Laura Moore 2000-5-30 969 Los Angeles Transverse Range; Liebre Mountains, San Franisquito Canyon, at Los Angeles Dept. of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, west of San Francisquito Canyon Road 488 Comment
  UC1409094  Deinandra clementina Robert F. Thorne 1966-4-17 36095 Los Angeles top of bluff near Duty Office (ne end of island); San Clemente Island, Wilson's Cove 30 Comment
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Feb 5 2010
  UC2052838  Deinandra clementina M. B. Dunkle 1939-4-5 7277 Los Angeles San Clemente Island, Pyramid Cove. Comment
  UCR253903  Delphinium hansenii Mitch Provance 2010-5-6 0510- 09 Los Angeles Western Transverse Range/Western Mojave Desert, Tejon Ranch, Cow Spring Canyon, 1 mile north of Gookins Dry Lake, 1.8 mi. south of Hwy 138 junction with 280th West 1060 Comment
  UC64118  Delphinium parishii subsp. parishii H. M. Hall June 1899 1243 Los Angeles San Antonio Mts. 1752 Comment
  RSA659931  Delphinium parishii subsp. parishii Orlando Mistretta 1992-5-18 334 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SD185300  Delphinium parryi A. C. Sanders, T. B. Salvato 2005-4-26 29750 Los Angeles Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 487 Comment
  SD37294  Delphinium parryi H. Ritter 1931-4-26 Los Angeles Open ground near Pasadena Comment
  UCR140167  Delphinium parryi A. C. Sanders 2003-4-29 26183 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SDSU10048  Delphinium parryi D. F. Howe 1947-5-3 1548 Los Angeles Mint Canyon, Mojave Desert. Comment
  CAS-BOT-BC121380  Delphinium parryi subsp. maritimum John Hunter Thomas 1957-4-27 6708 Los Angeles Santa Monica Mtns, coastal hills, W side of mouth of Latigo Canyon, about 3 mi NW of Pt. Dume, 15 mi due W Santa Monica 152 Comment
  CAS-BOT-BC116273  Delphinium parryi subsp. parryi M. E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  LA82454  Delphinium patens subsp. hepaticoideum O. H. Kappler; 1941-3-15 126 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR263273  Delphinium patens subsp. hepaticoideum Anuja Parikh, Nathan Gale 2012-5-2 3577 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 0.8 km east of Cogswell Reservoir 660 Comment
  RSA433200  Dendromecon rigida subsp. rhamnoides Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC534834  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  POM1160  Deschampsia danthonioides var. gracilis I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  POM369559  Descurainia obtusa subsp. adenophora Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  UCR184538  Descurainia pinnata A. C. Sanders, T. B. Salvato 2007-4-24 33509 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  RSA585371  Descurainia pinnata subsp. glabra Timothy S. Ross 1991-4-27 4660 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  POM369396  Descurainia pinnata subsp. glabra George R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  RSA592789  Descurainia sophia Steve Boyd 1996-4-25 8677 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. From gate at old inholding boundary near spring area along Forest Service Road 7N22., Down to beginning of extensive wetland south of the old dry pastures. 915 Comment
  CAS-BOT-BC402265  Dicentra chrysantha F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt Lowe. San Gabriel Mountains 1615 Comment
  RSA523567  Dicentra chrysantha G. H. True 1935-5-16 299 Los Angeles Bouquet Canyon. 762 Comment
  CAS-BOT-BC209179  Dichanthelium acuminatum subsp. acuminatum Robert F. Thorne; M. Z. Thorne 1967-7-19 37129 Los Angeles Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River, San Gabriel Mts., Angeles National Forest 1249 Comment
  SD84774  Dichelostemma capitatum subsp. capitatum Reid Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island. 500 Comment
  CAS-BOT-BC299813  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Praire Fk. of San Gabriel R., San Antonio Mountains 1981 Comment
  RSA591661  Digitaria ciliaris L. C. Wheeler 1966-9-21 8896 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  HSC30777  Digitaria sanguinalis C. E. Fellows 1965-12-23 181 Los Angeles 1 mile south of Ventura Blvd. on Reseda Blvd. at Rosita St. Comment
  SBBG15831  Diplacus X australis W. G. Webb 1935-3-5 s.n. Los Angeles unknown Comment
  UCR206971  Diplotaxis tenuifolia Lorraine Weller 2009-9-1 s.n. Los Angeles South Coast, Santa Monica, community garden in 2300 block of Main St. between Strand St. and Hollister Ave. 10 Comment
  RSA594532  Diplotaxis tenuifolia L. C. Wheeler 1969-12-24 s.n. Los Angeles Pasadena. South Arroyo Parkway, near Del Mar. Comment
  LA210884  Dipogon lignosus Arthur C. Gibson; Rangoon Creeper 2009-4-18 5256 Los Angeles Hollywood Hills, Central Griffith Park. Comment
  RSA773682  Distichlis littoralis R. F. Thorne 1973-09 44715 Los Angeles Santa Catalina Island, small salina at base of Ballast Pt. in Catalina Harbor. Comment
  CAS-BOT-BC195620  Distichlis spicata I. Johnston 1917-5-13 s.n. Los Angeles El Monte 91 Comment
  UC625036  Distichlis spicata F. R. Fosberg 1931-5-14 4871 S Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon Comment
  RSA461499  Dodecatheon clevelandii subsp. clevelandii Donald R. Bissing 1973-3-29 30 Los Angeles Evey Canyon; San Gabriel Mts: 0.5 mile from mouth of canyon. 726 Comment
  CAS-BOT-BC157700  Drymocallis glandulosa var. glandulosa Alice Eastwood 1919-5-29 8992 Los Angeles San Gabriel Canyon Comment
  UC1870312  Drymocallis glandulosa var. glandulosa LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1067 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. Near 34.23286N, 118.28306W. 550 Comment
  RSA585405  Drymocallis glandulosa var. reflexa Tim S. Ross, Steve D. Boyd 1990-5-29 2712 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  LA200100  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1655 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 2 mi from canyon mouth. 304 Comment
  SBBG131992  Dryopteris arguta S. A. Junak, R. Philbrick 1990-11-8 SCI 124 Los Angeles Camera Pad "Pebble" 365 Comment
  CAS-BOT-BC428118  Dudleya cymosa subsp. cymosa Timothy S. Ross; Steve Boyd 1994-5-25 7940 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1075 Comment
  UCR16122  Dudleya cymosa subsp. minor William E. Wayburn 1973-5-30 730530- 01 Los Angeles San Gabriel Mtns., c. 1 mi west from Baldy Village, 1/2 mi southwest of Cow Canyon Saddle on [Sunset Ridge Fire Road], Sunset Peak 1524 Comment
  RSA561819  Dudleya cymosa subsp. pumila Steve Boyd, Orlando Mistretta 1993-6-3 8173 B Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA83366  Dudleya cymosa subsp. pumila F. W. Peirson 1919-5-14 452 Los Angeles Eaton Canyon. 685 Comment
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Dec 9 2015
  UC205225  Dudleya hassei F. M. Reed 1909-7-2 2797 Los Angeles near Avalon; Santa Catalina Island 15 Comment
  CAS-BOT-BC428412  Dudleya lanceolata Alice Eastwood 1919-5-29 9008 Los Angeles San Gabriel Canyon Comment
  UCR127653  Dudleya lanceolata A. C. Sanders, Mark Elvin 2002-6-18 25133 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA303604  Dudleya lanceolata J. R. Shevock 1970-5-5 191 Los Angeles Little Tujunga Canyon 365 Comment
  RSA397770  Dudleya lanceolata Elizabeth A. White 1928-04 s.n. Los Angeles El Segundo Comment
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Jun 14 2012
  RSA642508  Dudleya multicaulis D. E. Bramlet 1980-5-5 351 Los Angeles Johnson's Pasture. 671m northeast of the end of Mountain Ave. and 670m north of LaVerne Peak. The upper drainage of Gail Cyn., adjacent to the existing N-S dirt acess road. 640 Comment
  UC933218  Dudleya palmeri Reid Moran 1944-6-5 1889 Los Angeles 0.9 mi from coast hwy (Arroyo Sesquit, cliffs near mouth); Sierra Santa Monica, Sisquis topo sheet 100 Comment
  LA104977  Dudleya pulverulenta subsp. pulverulenta Kei Nakai; June 21 1982 - May 1975 sn Los Angeles Santa Monica Mountains, Temescal Canyon, ca 3 mi up canyon from Sunset Blvd 121 Comment
  RSA36110  Dudleya virens subsp. hassei C. B. Wolf 1934-5-11 3570 Los Angeles Santa Catalina Island. Point at W side of Fourth of July Cove Comment
  RSA329753  Dudleya virens subsp. insularis G. D. Wallace 1965-6-16 s.n. Los Angeles Point San Vicente Comment
  UCR210708  Dysphania botrys R. G. Swinney 2008-9-10 9413 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  UCR178184  Echinochloa crus-galli LeRoy Gross, Wayne Law 2000-8-8 252 Los Angeles Verdugo Mountains, Big Tujunga Wash, East of Hansen Dam, along river between Wentworth Street and the Tujunga ponds 366 Comment
  UCD95164  Ehrendorferia chrysantha R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  UCR197130  Ehrharta calycina LeRoy Gross 2007-4-6 2620 Los Angeles Transverse Ranges; Verdugo Mountains, south base of the range, just east of Craig Canyon, at the intersection of Groton Drive and Hamline Place, between the city of Burbank and the south slope of the range 288 Comment
  RSA717301  Eleocharis palustris Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  RSA593578  Eleocharis parishii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8912 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA729333  Eleocharis parishii R. G. Swinney 1999-6-30 7477 Los Angeles Grand View Canyon, c. 1.3mi. north of Big Pines Hwy at All Nations Camp. Riparian zone with Alnus rhombifolia, surrounded by pinyon-juniper woodland. 1561 Comment
  UCR179243  Eleocharis parishii R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  RSA34248  Eleocharis rostellata Anonymous 1947-5-23 s.n. Los Angeles By road on north fork San Gabriel Canyon 1220 Comment
  POM156358  Elymus X gouldii Le Roy Abrams 1902-6-10 2506 Los Angeles Edge of sand dunes,Playa del Rey. Comment
  RSA617471  Elymus elymoides Scott D. White 6762 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
  UCR276826  Elymus elymoides R. G. Swinney 2010-5-21 12875 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CAS-BOT-BC207179  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1994-6-23 8029 Los Angeles Sawmill Mountain, 5514-Ft summit and immediately adjacent slopes - Liebre Mountains 1680 Comment
  UCR256617  Elymus elymoides subsp. elymoides Anuja Parikh, Nathan Gale 2011-6-8 3430 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, Portal Ridge, 1.5 km west of Godde Hill Road, 1.2 km south of California Aqueduct 1115 Comment
  RSA774830  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2010-6-8 5286 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  SBBG118738  Elymus glaucus subsp. glaucus L. Gross with P. Morton 2004-6-9 1355 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 1727 Comment
  RSA729359  Elymus stebbinsii R. G. Swinney 1998-7-27 6503 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  CATA1205  Elymus triticoides Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-7 2261 Los Angeles Santa Catalina Island: Little Harbor 3 Comment
  CATA3161  Elymus triticoides Amy Catalano 2016-5-25 132 Los Angeles Santa Catalina Island: Short spur road at sharp turn at south end of Big Springs Road 63 Comment
  SFV2955  Emmenanthe penduliflora K. A. Wilson 1961-4-26 1159 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  UC1349036  Emmenanthe penduliflora Robert F. Thorne and P. Everett 1965-5-11 34582 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  CDA40327  Emmenanthe penduliflora Phillipson 1915-4-28 4 .1.A Los Angeles Monrovia. Comment
  RSA0104648  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 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 793 Comment
  CAS-BOT-BC131154  Encelia actoni Le Roy Abrams; E. A. McGregor 1908-6-20 402 Los Angeles Between Oakgrove Canyon and Elizabeth Lake, Liebre Mountains Comment
  OBI50380  Ephedra Larry Kelly, David J. Keil 1989-4-21 366 Los Angeles San Gabriel Mts. 2-3 mi Se of Valeyrmo along ft. Tejon rd. Comment
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Sep 17 2014
  RSA0034244  Ephedra nevadensis David Charlton 1992-5-18 s.n. Los Angeles 1 mile north of Redman on southern boundary of Edwards AFB, Western Mojave Desert. 716 Comment
  SBBG32268  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  UCR280653  Ephedra nevadensis R. G. Swinney 2014-4-10 16051 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA729231  Epilobium angustifolium subsp. circumvagum R. G. Swinney 1998-7-14 6418 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. 2195 Comment
  SBBG131595  Epilobium brachycarpum S. A. Junak 1999-7-15 SCa 1019 Los Angeles KBRT Rd, W side of Coffeee Pot Cyn,, just upstream from rd crossing 414 Comment
  UCR223305  Epilobium canum R. G. Swinney 2009-7-29 11410 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  CAS-BOT-BC166191  Epilobium canum subsp. canum Louis C. Wheeler 1931-9-25 156 Los Angeles Eagle Rock 274 Comment
  POM211810  Epilobium canum subsp. canum S. F. Blake 1910-7-23 438 Los Angeles Los Angeles. Comment
  RSA544534  Epilobium canum subsp. canum Tim S. Ross, E. Kellogg 1992-4-22 6131 Los Angeles San Clemente Island; 99 E, 640m distance from Vista (point), near the head of Grove Canyon. 419 Comment
  UCSB4540  Epilobium canum subsp. canum 1940-9-16 Los Angeles San Dimas Exp. Forest, Glendora Mt. Road Comment
  CAS-BOT-BC171920  Epilobium canum subsp. latifolium Fordyce Grinnell 1916-9-2 s.n. Los Angeles Near Pasadena, San Gabriel Mts. Comment
  RSA188546  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, J. Olmstead 1965-8-16 35417 Los Angeles Angeles national Forest, swampy woods along Prairie Fork, in mixed evergreen forest 1585 Comment
  SBBG122061  Epilobium pygmaeum A. Parikh, N. Gale 2003-5-24 741 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  RSA714717  Equisetum hyemale var. affine A. C. Sanders, Mark Elvin 2002-8-26 25583 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  CAS-BOT-BC57320  Equisetum laevigatum I. Johnston 1917-5-13 27 V Los Angeles El Monte 106 Comment
  LA94012  Equisetum laevigatum Lawrence L. Kiefer; 1962-12-24 338 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon Comment
  RSA684617  Equisetum laevigatum F. R. Fosberg 1931-8-13 R- 115 Los Angeles Big Cienega, Pine Flats, N fork, San Gabriel River Comment
  OBI1027  Equisetum laevigatum L. L. Kiefer 1963-10-6 1034 Los Angeles San Gabriel Mtns., north slope, Little Rock Cyn., ca. 3 miles from mouth 1067 Comment
  LA5491  Equisetum telmateia subsp. braunii J. A. Ewan; 1932-6-28 7520 Los Angeles 99 Comment
  CAS-BOT-BC204480  Eragrostis cilianensis Peter H. Raven 1961-9-24 16751 Los Angeles Bouquet Reservoir 914 Comment
  UCSC000028  Eragrostis cilianensis H. S. Yates 1936-8-28 6357 Los Angeles Five miles southeast of Palmdale, along roadside - Elizabeth Lake 814 Comment
  RSA640877  Eragrostis mexicana subsp. virescens L. C. Wheeler 1967-8-8 10371 Los Angeles Loomis Ranch, Alder Creek 1311 Comment
  RSA578716  Eremalche exilis Tim S. Ross, J. Mark Porter 1994-5-1 7610 Los Angeles Southwestern Mojave Desert: open desert, ca 1740 m S of Black Butte and 1000m W of Three Sisters Buttes. 945 Comment
  RSA421551  Eremocarpus setiger B. C. Templeton 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA421556  Eremocarpus setiger Samuel R. Tyson 1943-7-7 s.n. Los Angeles San Dimas Canyon 457 Comment
  RSA0106910  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2009-6-17 11191 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA0104654  Eriastrum densifolium subsp. austromontanum Verne Grant, Alva Grant 1951-7-13 16083 Los Angeles Near Boy Scout Camp in San Antonio Canyon. 1524 Comment
  RSA0119646  Eriastrum densifolium subsp. mohavense P. A. Munz 1928-6-19 11069 Los Angeles Sand hills so. of Mohave. Comment
  SEINET10638103 Image available Eriastrum pluriflorum subsp. sherman-hoytiae Philip A. Munz, Craig, Thomas Theodore 1933-5-13 Munz 12925 Los Angeles Sandy flats, desert 10 miles south of Muroc Comment
  UC457329  Eriastrum sapphirinum Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains 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
  SD237547  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-5-13 10771 Los Angeles Transverse Range: San Gabriel Mountains: upper Brainard Canyon, c. 2 miles south of Ft. Tejon Road, immediately NW of Cima Mesa, Juniper Hills (Juniper Hills 7.5'Q) 1121 Comment
  RSA0121279  Eriastrum sapphirinum subsp. dasyanthum Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles La Crescenta. Comment
  RSA0122853  Eriastrum signatum J. Mark Porter, Lauren Machen 2004-5-2 14088 Los Angeles San Gabriel Mountains, northern foothills; ca. 0.25 mi. E of Largo Vista Road, several miles S of the California Aqueduct. 1360 Comment
  RSA713240  Ericameria cooperi LeRoy Gross 2005-5-3 2229 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCR177467  Ericameria cooperi LeRoy Gross 2005-5-3 2229 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA712175  Ericameria cuneata var. cuneata R. G. Swinney 1997-8-19 5822 Los Angeles San Antonio Peak (=Lookout Mountain), 60-100 m SE of summit. 2052 Comment
  OBI5878  Ericameria ericoides Carl B. Wolf 1931-12-30 2640 Los Angeles Bluffs at Playa Del Rey Comment
  HSC87290  Ericameria linearifolia Steve Boyd, T. S. Elias 1987-4-14 2049 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA0116166  Ericameria linearifolia R. G. Swinney 2011-6-15 15211 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  SBBG12580  Ericameria linearifolia E. R. Blakley 1958-5-9 2277 Los Angeles ca. 2 mi E of Gorman 1097 Comment
  CAS-BOT-BC299099  Ericameria nauseosa var. leiosperma Ernest C. Twisselmann 1970-10-17 17553 Los Angeles Wastelands at the W shore of Rosamond Dry Lake 716 Comment
  CAS-BOT-BC298185  Ericameria nauseosa var. oreophila Louis C. Wheeler 1933-10-22 2190 Los Angeles Pine Flat, N Fork San Gabriel River, San Gabriel Mts 1676 Comment
  POM359433  Ericameria palmeri var. pachylepis Anstruther Davidson 1890-05 2000 Los Angeles Los Angeles. Comment
  RSA295262  Ericameria parishii var. parishii Kenneth R. Montgomery, Thomas W. Strid 1973-8-22 73 -171 Los Angeles Collected on north facing slope at Dillon Divide, site of LASCA Cistus field plot Comment
  RSA597042  Ericameria pinifolia Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3843 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  RSA0083304  Erigeron foliosus R. G. Swinney 2010-6-4 13043 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
  SD197678  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs. 1438 Comment
  SD138470  Erigeron foliosus Darley F. Howe Unknown 10 Los Angeles Claremont Comment
  RSA702971  Erigeron foliosus var. foliosus Scott D. White, Pam De Vries 2004-5-18 10412 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
  UC1595433  Erigeron foliosus var. foliosus Tim Ross 1992-7-10 6681 Los Angeles along creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 975 Comment
  UCR259593  Erigeron foliosus var. foliosus R. G. Swinney 2010-9-7 13682 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  CAS-BOT-BC296196  Erigeron foliosus var. foliosus Geo. B. Grant 1904-7-23 6388 Los Angeles Vivien Creek, Mt. San Gorgonio 2438 Comment
  POM21165  Erigeron foliosus var. foliosus Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  LA205571  Eriodictyon crassifolium Barbara Crumly; 1953-5-31 sn Los Angeles Elizabeth Lake Canyon Rd, 2 mi. E of Castaic Comment
  JEPS22871  Eriodictyon crassifolium var. crassifolium Rimo Bacigalupi with Reino Alava 1958-7-21 6446 Los Angeles about 2 mi above Red Box Gap (along Angeles Crest National Highway (Calif. No. 2), on s-facing slope of Valley Forge Canyon, tributary of West Fork of San Gabriel River); San Gabriel Mts., Angeles National Forest 1417 Comment
  CAS-BOT-BC189149  Eriodictyon crassifolium var. nigrescens Timothy S. Ross; Steve Boyd 1994-5-25 7924 Los Angeles Necktie Basin, Hanging basin ca 470-830 meters W of Warm Springs Mountain summit, specimens collected from ca 600-800 meters WSW of summit 1075 Comment
  RSA0080762  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-5-12 12730 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  RSA592880  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1967-4-30 9219 Los Angeles San Gabriel Mountains. Limekiln Canyon. 701 Comment
  RSA594739  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  SBBG54051  Eriodictyon crassifolium var. nigrescens K. R. Montgomery, T. W. Strid 1973-5-19 73 -67 Los Angeles Dillon Divide Comment
  UCD119330  Eriodictyon parryi R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  RSA303487  Eriodictyon traskiae E. R. Blakley 1962-10-3 5390 Los Angeles E side of Black Jack Mt. at start of road to White s Landing, Santa Catalina Island 412 Comment
  UC483364  Eriodictyon traskiae L. R. Abrams and I. L. Wiggins 1931-7-4 324 Los Angeles White's Landing Channel Islands, Santa Catalina Island (Santa Catalina Island) Comment
  CAS-BOT-BC222680  Eriodictyon trichocalyx I. M. Johnston 1917-7-28 1574 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon] 2286 Comment
  UCR163320  Eriogonum B. G. Pitzer 1998-5-12 3706 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  IRVC28633  Eriogonum Mark A. Elvin 2003-6-19 2949 Los Angeles hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch Western Transverse Range 366 Comment
  UCR186051  Eriogonum angulosum T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2082 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  JEPS57064  Eriogonum brachyanthum Ralph Hoffmann 1927-6-14 Los Angeles Palmdale Desert, Palmdale Comment
  RSA774958  Eriogonum brachyanthum R. G. Swinney 2009-5-6 10682 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA393151  Eriogonum cinereum E. A. Purer 1932-8-31 s.n. Los Angeles Palos Verdes Hills. Comment
  RSA393156  Eriogonum cinereum L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA777524  Eriogonum davidsonii R. G. Swinney 2009-5-20 10839 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UC56059  Eriogonum davidsonii J. H. Barber 1897-6-29 219 Los Angeles Bear Canyon Comment
  UCR239040  Eriogonum deflexum var. baratum Anuja Parikh, Nathan Gale 2010-6-2 3250 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 3.7 km west of State Hwy 14, 2.2 km southwest of California Aqueduct, under power lines 1150 Comment
  RSA0039388  Eriogonum elongatum R. G. Swinney 2009-11-16 11644 Los Angeles Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR186601  Eriogonum elongatum T. B. Salvato, Sarah Flack 2007-8-8 3041 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  POM209510  Eriogonum elongatum H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three miles east of ocean beach. Comment
  CAS-BOT-BC249783  Eriogonum elongatum var. elongatum Catherine A. Toschi 1963-4-5 63 :98 Los Angeles 4 miles northwest Topanga 304 Comment
  RSA580977  Eriogonum fasciculatum Catherine A. Mish 1995-3-4 18 Los Angeles Caballero Canyon. 380 Comment
  RSA614149  Eriogonum fasciculatum Valerie L. Soza, Jeanne Gural 1997-3-26 26 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave and Foothill Boulevard. 412 Comment
  RSA747091  Eriogonum fasciculatum A. C. Sanders, T. B. Salvato 2009-5-19 36817 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  UCR214649  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Dan S. Cooper 2010-4-30 38140 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR271211  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2011-11-1 15961 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR276821  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-5-21 12880 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CAS-BOT-BC253252  Eriogonum fasciculatum var. foliolosum Ernest C. Twisselmann 1961-10-31 6680 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  CAS-BOT-BC253261  Eriogonum fasciculatum var. foliolosum Wm. H. Brewer 1861-1-4 s.n. Los Angeles Camp 6, San Gabriel Canyon Comment
  LA82477  Eriogonum fasciculatum var. foliolosum O. H. Kappler; 1940-6-9 44 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC250311  Eriogonum giganteum var. formosum Reid Moran 1958-9-16 6843 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 100 Comment
  UC557786  Eriogonum giganteum var. formosum Nell Murbarger May, 1936 113 Los Angeles est side of island near the ocean San Clemente Island Comment
  SD38717  Eriogonum gracile Edith A. Purer 1933-10-7 5596 Los Angeles stabilized sand dunes, El Segundo Comment
  SEINET11038904 Image available Eriogonum gracile var. cithariforme James Henrickson 1972-11-2 8088 Los Angeles 4 miles N of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 372 Comment
  POM50653  Eriogonum gracillimum A. D. E. Elmer 1902-06 3655 Los Angeles Lancaster. Comment
  RSA300693  Eriogonum kennedyi var. alpigenum James R. Shevock 1974-10-5 3877 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2866 Comment
  CAS-BOT-BC268786  Eriogonum mohavense Katharine Brandegee No date on label s.n. Los Angeles Lancaster Comment
  RSA592853  Eriogonum ordii Steve Boyd, Orlando Mistretta 1996-5-1 8742 Los Angeles Liebre Mountains, rugged hills east of Bouquet Canyon, northeast of Cruzan Mesa and south of Vasquez Canyon, along Vasquez Canyon Road, ca 1.1 miles east of the junction with Bouquet Canyon Road. 512 Comment
  RSA66005  Eriogonum parishii F. W. Peirson 1923-8-31 4004 Los Angeles Blue Ridge, north slope of San Gabriel Mountains. 2591 Comment
  LA201186  Eriogonum parvifolium Peter H. Raven; May 1964 346 Los Angeles 3 Comment
  POM187758  Eriogonum plumatella Thos. Craig 1932-10-9 2027 Los Angeles Hills 3 mi south of Vincent; border of San Gabriel Mts. 1220 Comment
  RSA748901  Eriogonum pusillum R. G. Swinney 2008-5-13 8855 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon, 0.5 mi. south of Big Rock Creek Rd. 1293 Comment
  UCR277224  Eriogonum pusillum R. G. Swinney 2011-4-19 14400 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  UCR270253  Eriogonum saxatile R. G. Swinney 2011-10-10 15736 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCSB23144  Eriogonum saxatile Wilken, Dieter 1967-7-1 Los Angeles Ridge west of headwaters of Soldier Creek; south of Highway 39 between Islip Saddle and Crystal Lake Junction, San Gabriel Mts 1767 Comment
  CAS-BOT-BC262867  Eriogonum thurberi John Thomas Howell 1931-5-31 6622 Los Angeles San Gabriel Wash Comment
  SBBG65487  Eriogonum trichopes R. Hoffmann 1928-7-7 Los Angeles Palmdale Comment
  UCR147558  Eriogonum umbellatum var. minus Naomi Fraga, Sarah De Groot, Paul Morton, Aydee Virgen 2004-7-28 1317 Los Angeles Transverse Ranges; San Gabriel Mountains region, Summit of Cucamonga Peak 2701 Comment
  CAS-BOT-BC264878  Eriogonum viridescens Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3721 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge, San Gabriel Mountains 1990 Comment
  POM214393  Eriophyllum confertiflorum L. C. Wheeler 1932-4-30 667 Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
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May 1 2014
  POM4920  Eriophyllum confertiflorum M. Hitchcock 1918-7-3 36 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. Comment
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May 29 2014
  UCR272638  Eriophyllum confertiflorum R. G. Swinney 2011-5-6 14581 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  POM357904  Eriophyllum confertiflorum var. confertiflorum Wm Martin 1972-4-1 s.n. Los Angeles San Gabriel Mountains. Comment
  UC896380  Eriophyllum wallacei Alice Eastwood 1913-5-11 3180 Los Angeles San Fernando Wash Comment
  SBBG38263  Erodium brachycarpum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-5 SCa 549 Los Angeles W side of rd to Toyon Bay, 1.4 mi from intersection with Airport Rd, near ironwood overlook deck 182 Comment
  SFV6474  Erodium cicutarium T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-26 173 Los Angeles San Gabriel Mountains Lone Pine Canyon Road, 3 miles from Cajon Pass. Comment
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Dec 12 2013
  UCR190902  Erodium cicutarium R. G. Swinney 1998-7-2 6230 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR281964  Erodium cicutarium R. G. Swinney 2014-4-24 16194 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  UCR18546  Eruca vesicaria subsp. sativa O. F. Clarke 1973-4-8 s.n. Los Angeles San Gabriel Valley, Pomona near Pom-lanes, Garey Ave. 351 Comment
  CAS-BOT-BC40707  Erysimum capitatum W. R. Dudley; F. H. Lamb 1896-6-8 4387 Los Angeles Liebre Mountains. Kings Canyon. Comment
  SFV1469  Erysimum capitatum P. G. Kilburn 1958-4-12 712 Los Angeles San Gabriel Mountains Soledad Canyon, 2 miles east of Soledad Campground 670 Comment
  CAS-BOT-BC40702  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9485 Los Angeles 16 miles from Lancaster on the Muroc Road. Comment
  RSA631350  Erysimum capitatum var. capitatum L. C. Wheeler 1967-9-5 10692 Los Angeles Lupine Campground, Prairie Fork. 1982 Comment
  UCR4158  Erysimum capitatum var. capitatum R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  RSA131042  Erysimum capitatum var. capitatum Percy C. Everett, E. K. Balls 1959-6-2 23831 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 229 Comment
  RSA167097  Erysimum capitatum var. capitatum W. G. Webb 1935-1-6 s.n. Los Angeles Arroyo Seco Canyon, near La Canada Comment
  RSA530309  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-1 2185 Los Angeles Santa Monica Mtns 762 Comment
  RSA532655  Erysimum capitatum var. capitatum Timothy S. Ross 1991-8-14 5772 Los Angeles Roundtop [Mtn], San Gabriel Mountains. 1768 Comment
  LA204412  Erysimum suffrutescens Sharon Johnston; 1957-3-26 M 206 -14 Los Angeles Playa del Ray, 300 E Killgore off Vista Del Mar 30 Comment
  SD40153  Erysimum suffrutescens Edith A. Purer 1931-3-12 1509 Los Angeles El Segundo Comment
  CAS-BOT-BC402727  Eschscholzia caespitosa Munz; Street; Williams 1919-4-19 2492 Los Angeles Lone Hill Comment
  UC10000  Eschscholzia californica H. P. Chandler 1897-3-3 Los Angeles Claremont 396 Comment
  UCR152881  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA454359  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  SBBG18906  Eschscholzia minutiflora F. E. Clements 1918-5-26 Los Angeles Antelope Valley Comment
  CATA688  Eschscholzia ramosa Mark L. Hoefs 1991-4-26 1179 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  CATA747  Eschscholzia ramosa Mark L. Hoefs 1991-5-22 1275 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA592484  Eschscholzia ramosa Mark Hoefs 1973-3-11 53 Los Angeles Santa Catalina Island. Near Renton Mine Road. 213 Comment
  UC1870223  Eucalyptus camaldulensis LeRoy Gross 2003-1-26 689 Los Angeles Los Angeles Basin Region: San Fernando Valley: Haines Canyon Channel in Big Tujunga Wash, south front of the San Gabriel Mountains, east of Foothill Blvd. south side of wash 366 Comment
  UCR178042  Eucalyptus globulus LeRoy Gross 2003-1-25 687 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  UCR205114  Eucalyptus tereticornis R. G. Swinney 2008-4-16 8676 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  RSA0045262  Eucrypta chrysanthemifolia R. G. Swinney 2010-3-22 12007 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA0092554  Eucrypta chrysanthemifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14321 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  SD38505  Eucrypta chrysanthemifolia Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  POM50214  Eucrypta chrysanthemifolia L. R. Abrams 1899-04 281 Los Angeles Santa Monica Mts. Comment
  SD90522  Eucrypta chrysanthemifolia var. chrysanthemifolia Robert F. Thorne 1966-4-17 36111 Los Angeles San Clemente Island; near bottom of Box Canyon northwest of Horse Canyon, southwest of Thirst. 213 Comment
  UCSB7338  Eulobus californicus Wedberg, Lee 1954-5-7 Los Angeles Sierra Madre Canyon 304 Comment
  CLARK-A1528-2701  Euphorbia maculata John C. Roos 1942-9-12 1756 Los Angeles Los Angeles Comment
  UCR219429  Euphorbia melanadenia R. G. Swinney 2009-3-28 10195 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  RSA432459  Euphorbia peplus B. C. Templeton 1929-12-15 1445 Los Angeles Mandeville canyon, Santa Monica mtns. Comment
  PASA704  Euphorbia serpyllifolia Annetta Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA433510A  Euphorbia spathulata Anstruther Davidson 1890-1 s.n. Los Angeles Foothills. Comment
  LA200961  Euphorbia terracina Carl Wishner; Daryl Koutnik 1999-10-4 CW 3456 Los Angeles 10.0 Comment
  SD69679  Extriplex californica Robert F. Thorne, P. Everett 1965-6-23 34939 Los Angeles Santa Catalina Island; Ben Weston Beach, west side of island. Comment
  SD181604  Extriplex californica Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 118 Los Angeles Channel Islands, San Clemente Island, stabilized dune. Comment
  UCR227715  Fallopia convolvulus Orlando Mistretta, Christine Mistretta 2010-6-25 5353 Los Angeles San Gabriel Mountains, Forest Route 2N24 near head of north fork of Santa Anita Canyon along SCE transmission line corridor 1215 Comment
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Jul 17 2016
  UCR266345  Festuca microstachys D. E. Bramlet 1999-4-27 2740 Los Angeles Western Transverse Range, Agoura Hills, Yerba Buena Elementary School proposed site (subsequently built), 34 acres, end of Reyes Adobe Rd. near Ventura Co. line 317 Comment
  UCR271165  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
  SEINET3245920  Festuca myuros R. G. Swinney 2008-1 8569 Los Angeles San Gabriel Mtns.: San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn. 354 Comment
  UCR126883  Festuca octoflora A. C. Sanders 2003-4-29 26170 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  LA33413  Festuca perennis Peter H. Raven; Henry J. Thompson 1959-10-14 14627 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0018987  Ficus carica Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11697 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  RSA681265  Ficus carica Scott D. White 2003-6-2 9441 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  RSA158208  Filago arizonica Peter H. Raven 1962-5-9 17671 Los Angeles San Clemente Island. Near head of canyon at south end of Mosquito Cove. 320 Comment
  RSA004508  Filago californica Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  RSA647856  Filago gallica LeRoy Gross, Laura Moore 2000-6-5 204 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  SFV10183  Foeniculum vulgare J. G. Cuti, M. Williams 1978-7-4 s. n. Los Angeles Santa Monica Mountains About 2 miles north of Pacific Coast Highway on Topanga Canyon Road. Comment
  RSA250703  Forestiera pubescens Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39542 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1250 Comment
  RSA391385  Frankenia grandifolia F. R. Fosberg 1930-6-23 S 2992 Los Angeles Del Rey. 1 Comment
  LA200502  Frankenia salina L. Larson; 1928-4-21 98 Los Angeles Santa Monica Mountains, Mugu Lagoon, eastern part of marsh Comment
  UC483217  Frankenia salina L. R. Abrams and I. L. Wiggins 1931-7-7 402 Los Angeles Catalina Harbor Channel Islands, Santa Catalina Island Comment
  RSA609055  Fraxinus dipetala Louis C. Wheeler 1931-4-8 s.n. Los Angeles San Dimas Canyon. 640 Comment
  UCR182269  Fraxinus dipetala R. G. Swinney 1998-4-15 6018 Los Angeles San Gabriel Mountains, bottom of Evey Canyon, 0.7 mi. west of San Antonio Canyon Rd. 793 Comment
  RSA0048451  Fraxinus dipetala Elwood Fordham 1951-4-21 s.n. Los Angeles Topanga, 350 feet up Canyon trail from Junction Topanga Highway 6.2 mi. from ocean. 274 Comment
  UCR206144  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2008-6-2 8921 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 1.0 mi. above (NE) of El Encanto park office, on shoulder of the old road 268 Comment
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Dec 3 2009
  CAS-BOT-BC211012  Fraxinus velutina Henry J. Thompson 1959-3-22 1874 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.) 0.25 mile from Triunfo Canyon, 2.5 miles west of Malibu Lake, Lobo Canyon 213 Comment
  CAS-BOT-BC212388  Fremontodendron californicum A. D. E. Elmer 1902-6-1 3686 Los Angeles Acton, Mt. Gleason Comment
  RSA640808  Fritillaria biflora Louis C. Wheeler 1931-2-27 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon (M. S. R. ). Comment
  UC72261  Fritillaria biflora C. J. Fox April 1903 Los Angeles Los Angeles, near Avenue 56 Los Angeles Comment
  RSA660392  Fritillaria pinetorum Orlando Mistretta 1992-6-19 597 Los Angeles Angeles National Forest; Timber Mountain, San Gabriel Mountains. Comment
  POM47629  Galinsoga parviflora var. parviflora E. S. Spalding s.n. Los Angeles Garden in Los Angeles. Comment
  RSA600054  Galium andrewsii Steve D. Boyd, Lauren Raz 1997-5-20 9809 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA0116813  Galium angustifolium R. G. Swinney 2011-6-7 15092 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. 1768 Comment
  RSA756896  Galium angustifolium Orlando Mistretta, Christine Mistretta 2008-4-7 2350 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 48 per TRTP survey-2008) 1085 Comment
  RSA0020296  Galium angustifolium subsp. angustifolium Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5123 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA524178  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1990-6-6 2869 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA732848  Galium angustifolium subsp. angustifolium R. G. Swinney 2001-5-18 7936 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  UC1584929  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1991-7-24 5616 Los Angeles ridge nne G.M.; Pacifico Mountain USGS 7.5' Quad, Granite Mountain vicinity 1874 Comment
  POM96972  Galium angustifolium subsp. angustifolium Philip A. Munz 1925-5-23 9433 Los Angeles San Gabriel Canyon. 488 Comment
  SD86341  Galium aparine M. Douglas, R. Beauchamp 1972-3-24 3233 Los Angeles canyon bottom north of Nanny, San Clemente Island 149 Comment
  RSA640825  Galium aparine Louis C. Wheeler 1931-3-19 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  SBBG128438  Galium catalinense M. L. Hoefs 1995-5-23 2076 Los Angeles lower Middle Ranch Cyn, near rd to Bullrush Cyn 115 Comment
  SDSU9325  Galium catalinense R. M. Beauchamp 1967-3-18 276 Los Angeles Growing beside rocks on slope in canyon below Lemon Tank. San Clemente Island. Comment
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May 16 2008
  UC1594374  Galium catalinense subsp. acrispum Tim Ross 1992-4-14 6163 Los Angeles lower end of canyon just below mouth (central e side of island); San Clemente Island, Nanny Canyon 182 Comment
  RSA0110596  Galium johnstonii Richard G. Swinney 2011-5-16 14732 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  RSA585918  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-17 2570 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA585935  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-5-23 2638 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon 1308 Comment
  RSA614647  Galium johnstonii R. G. Swinney 1994-6-12 2938 Los Angeles Eastern San Gabriel Mountains: ca. 200 m west of Boneyard Canyon, 2 miles S of Hwy 138, just W of San Bernardino County line 1341 Comment
  CATA517  Galium nuttallii subsp. insulare Sara L. Crockett 1997-4-22 664 Los Angeles Santa Catalina Island: First N/S-trending ridge leading to Pacific Ocean, E of jct. of Wrigley Memorial Trail and East End Road, ca. 75 m S of road 291 Comment
  LA51374  Galium nuttallii subsp. nuttallii Henry J. Thompson; 1959-3-31 1914 Los Angeles Santa Monica Mountains, 1.2 mi SW of Seminole Hot Springs, about 2 mi SW of Cornell 396 Comment
  SBBG22453  Galium nuttallii subsp. nuttallii H. and M. Dearing 1944-5-10 5889 Los Angeles Charlton Flats Comment
  RSA0031452  Galium porrigens var. porrigens Orlando Mistretta, Christine Mistretta 2008-4-29 2543 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  SBBG13626  Gambelia speciosa P. H. Raven 1962-4-10 17180 Los Angeles Wilson Cove Comment
  SBBG20584  Gambelia speciosa E. R. Blakley 1963-12-8 6394 Los Angeles cyn side above Mosquito Cove and between Triangulation Pts Malo and Chenity 243 Comment
  RSA590414  Gamochaeta ustulata Timothy S. Ross 1993-4-21 6847 Los Angeles Santa Catalina Island, SW part of the Island along major EW ridge between Carlos 992ft and Cactus Peak 1560ft. 2750ft WNW of Cactus Peak summit. 436 Comment
  UC303648  Garrya flavescens I. M. Johnston 1918-5-19 1985 Los Angeles San Antonio Canyon; San Antonio Mountains 1402 Comment
  UC1122738  Garrya veatchii Louis C. Wheeler 1936-6-23 360 Los Angeles San Dimas Canyon; San Dimas Experimental Forest, Pomona Quad. 731 Comment
  CAS-BOT-BC282618  Gastridium phleoides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA785287  Gaultheria procumbens Doris Bowers 1954-08 809 Los Angeles Arroyo Seca, Pasadena 305 Comment
  UCR223440  Gayophytum diffusum R. G. Swinney 2009-6-3 11056 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
  RSA228968  Gayophytum heterozygum Robert F. Thorne 1971-8-25 41330 Los Angeles San Gabriel Mountains, Angeles National Forest: near Pine Hollow Picnic Area along Angeles Crest Highway 2256 Comment
  CATA1846  Geranium carolinianum Denise Kraus 2000-5-11 28 Los Angeles Santa Catalina Island: In drainage between Goat Harbor Burn eastern fire break ridge/road and road leading to Twin Rocks. Approximately 4,600 ft. northeast of Airport Road 304 Comment
  RSA442303  Geranium pusillum Anstruther Davidson 2874 Los Angeles Sawtelle, Comment
  RSA639035B  Gilia R. F. Thorne 1973-5-11 43524 Los Angeles San Gabriel Mts., Mojave Desert slope: Juniper Hills, c. 2 mi S of Ft. Tejon Road 1250 Comment
  SBBG64389  Gilia achilleifolia subsp. multicaulis M. N. Ackley -Feb-1928 809 Los Angeles near Lankershim 213 Comment
  UCD117633  Gilia achilleifolia subsp. multicaulis Geoffrey Levin 1974-4-27 55 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. San Gabriel Mountains. 731 Comment
  UC908805  Gilia aliquanta Herbert L. Mason 1926-4-27 3049 Los Angeles along Los Angeles Co. Park Road between Little Rock Creek; Mohave Desert, btw Rock Creek and Little Rock Creek Comment
  RSA506806  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1967-5-12 9466 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  SBBG32129  Gilia angelensis R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -250 Los Angeles upper Sweetwater Cyn Comment
  UC909021  Gilia angelensis Herbert L. Mason 1926-4-26 2955 Los Angeles 4 mi w Saugus; w of Saugus Comment
  UCSB33615  Gilia angelensis Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  SDSU3068  Gilia angelensis R. M. Beauchamp 1967-3-20 378 Los Angeles On slope above Abalone Point, south of Avalon. San Clemente Island. Comment
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May 16 2008
  RSA469717  Gilia austrooccidentalis T. S. Clare 1930-4-7 s.n. Los Angeles Sandberg. Comment
  LA202768  Gilia capitata subsp. abrotanifolia J. Warren; 1952-5-8 sn Los Angeles University of California, Los Angeles, near Hershey Hall 121 Comment
  RSA470206  Gilia capitata subsp. abrotanifolia Robert Gustafson 1978-6-1 996 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  RSA470219  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1910-5-1 2394 Los Angeles Sierra Madre, Cal. Comment
  RSA470232  Gilia capitata subsp. abrotanifolia Fay A. MacFadden 1931-3-29 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SBBG64469  Gilia inconspicua var. sinuata R. Hoffmann 1930-5-19 Los Angeles Mint Cyn, 4 mi E of Oak's Garage Comment
  CAS-BOT-BC226317  Gilia latiflora subsp. davyi Ernest C. Twisselmann 1962-4-18 6974 Los Angeles Tehachapi Mountains. Oso Canyon, ca. 1 mile above the Oso Corral 1036 Comment
  CAS-BOT-BC226342  Gilia latiflora subsp. davyi Louis C. Wheeler 1932-4-9 566 Los Angeles 4 mi. WSW Fairmont, Antelope Valley 914 Comment
  RSA249786  Gilia latiflora subsp. davyi R. F. Thorne, C. W. Tilforth 1973-4-20 43014 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
  SD241918  Gilia latiflora subsp. davyi Ellen Dean, T. Starbuck and M. Starbuck 2008-3-24 4612 Los Angeles Los Angeles Co.: Antelope Valley. Along Lancaster Road, west of Lancaster and just east of the entrance to Antelope Valley Poppy Preserve. SE side of road. 792 Comment
  RSA71845  Gilia latiflora subsp. latiflora P. A. Munz 1935-4-3 11781 Los Angeles Mojave Desert; 25 miles NW of Adelanto. Comment
  UCR60779  Gilia latiflora subsp. latiflora Steve Boyd 1986-3-30 1497 Los Angeles Mojave Desert, Hwy 18, 0.5 mi east of jct with Hwy 138, NE of Pinyon Hills 1037 Comment
  RSA777926  Gilia modocensis Orlando Mistretta, Christine Mistretta 2010-5-20 5145 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  RSA0017222  Gilia ochroleuca subsp. bizonata Robert Gustafson 1978-6-1 951 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  RSA0017162  Gilia ochroleuca subsp. vivida Orlando Mistretta 1995-6-20 1784 Los Angeles Bare Mountain Canyon: end of Forest Rd. 3N7E at head of drainage, E of Pacifico Mountain. 2104 Comment
  RSA0092165  Gilia splendens R. G. Swinney 2010-5-11 12681 Los Angeles San Gabriel Mountains: east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  SBBG83754  Glebionis coronaria C. F. Smith 1957-6-13 5569 Los Angeles Figueroa St near Long Beach Comment
  RSA0068084  Glechoma hederacea Michael C. Long 2015-5-1 925 Los Angeles San Gabriel Mtns., Upper Arroyo Seco, ca. 0.6 mi. SW of Switzer's Picnic Area, at first river crossing south of Switzer's, along E edge of trail. 929 Comment
  POM294035  Glinus lotoides Lyman Benson 1944-11-12 11561 Los Angeles North shore of Puddingstone Lake, San Dimas. San Jose Hills, Pacific Slope drainage area. 305 Comment
  SEINET10631166  Glycine max Mary Merello, Heidi H. Schmidt 1999-12-7 Merello 2644 Los Angeles City of Pasadena. Lake Produce Center, 752 N. Lake. Comment
  POM358698  Glyptopleura setulosa Gary D. Wallace s.n. Los Angeles Mojave Desert Comment
  RSA646277  Gnaphalium beneolens Orlando Mistretta 1992-9-14 804 Los Angeles San Gabriel Mountains: North Fork Saddle. Tujunga Ranger District. Comment
  RSA682661  Gnaphalium californicum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1085 Los Angeles 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. 556 Comment
  POM358789  Gnaphalium californicum M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  UCR157920  Gnaphalium canescens Robert J. Steers 2005-5-8 17 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  POM358812  Gnaphalium chilense F. R. Fosberg 1931-4-15 4622 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  POM307174  Gnaphalium microcephalum Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2096 Los Angeles Altadena. Comment
  RSA0108879  Gnaphalium palustre R. G. Swinney 2010-1-1 13148 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  POM188387  Goodmania luteola P. A. Munz, T. Craig 1933-5-13 12932 Los Angeles 10 miles south of Muroc. Comment
  UC2013260  Goodmania luteola Larry Kelly with David Keil 1988-4-16 41 Los Angeles Antelope Valley, ca. 2 mi W of Highway 14 along Highway 138. Comment
  RSA595531  Grayia spinosa L. C. Wheeler 1969-4-20 s.n. Los Angeles San Gabriel Mountains. Hunt Canyon ca. 1/4 mi. south of National Forest Boundary. 1127 Comment
  RSA756891  Grindelia camporum var. camporum Orlando Mistretta, Christine Mistretta 2008-4-8 2395 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  SBBG8290  Grindelia hirsutula H. and M. Dearing 1941-2-13 4530 Los Angeles corner of Western and Manchester, Los Angeles Comment
  RSA430118  Guillenia lasiophylla M. B. Dunkle 1929-4-7 2084 Los Angeles White s Landing, Santa Catalina Island. Comment
  UC284960  Guillenia lasiophylla P. A. Munz 1923-4-8 6631 Los Angeles Wilson's Cove San Clemente Island Comment
  UCR124604  Gutierrezia microcephala B. C. Templeton 1932-8-26 5115 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  UC126823  Gutierrezia sarothrae J. and H. W. Grinnell 1906-9-6 378 Los Angeles bank of Arroyo Seco (near Pasadena) Comment
  CATA1999  Hainardia cylindrica Steven A. Junak, Mark Hoefs 1997-6-4 421 Los Angeles Santa Catalina Island: NE end of Upper Buffalo Corral Reservoir 188 Comment
  POM369713  Harpagonella palmeri F. R. Fosberg 1931-3-26 S- 4392 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  UC1871213  Harpagonella palmeri T. S. Ross 1993-4-21 6853 Los Angeles Channel Islands; Santa Catalina Island; Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit Comment
  CAS-BOT-BC308534  Hazardia cana Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-23 22685 Los Angeles West fork of Red Rock Canyon, San Clemente Island 270 Comment
  UCSB42209  Hedypnois cretica Roos, Alfred 1954-5-17 Los Angeles Near North Kenmore and Oakdale Streets, Hollywood Comment
  RSA747366  Helenium bigelovii Orlando Mistretta 1994-7-12 1403 Los Angeles Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. Comment
  RSA0041743  Helenium bigelovii Timothy S. Ross 1990-8-17 3175 Los Angeles San Gabriel Mountains: S side of Prairie Fork, in the vicinity of Columbine Spring. 2183 Comment
  POM359754  Helenium puberulum Anstruther Davidson 1915-8-1 3081 Los Angeles Camp Baldy. Comment
  POM324254  Helianthus annuus Sarah Moffatt 1967-5-18 73 Los Angeles The Wash, Pomona College between 1st. and 6th sts. on Mills Ave. 366 Comment
  RSA0012962  Helianthus californicus Steve Boyd, Lauren Raz 1996-10-14 9047 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA92488  Helianthus ciliaris A. J. Barton 1936-1 12074 Los Angeles Low hills south of San Gabriel and west of San Gabriel River Comment
  JEPS35470  Helianthus gracilentus F. W. Peirson 1919-7-3 512 Los Angeles Lukens Peak (formerly called Sister Elsie Peak) San Gabriel Mountains (along dry ridges) 1219 Comment
  LA88403  Helianthus gracilentus O. H. Kappler; 1941-6-15 307 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCSB68608  Helianthus gracilentus Gross, LeRoy; Fraga, Naomi; Hogshead, Bill; Virgen, Aydee 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountians; entered west of Haines Canyon Park, off of Estepa Drive in Tujunga; (Burbank 7.5 Quad.: T2N R14W S24, SE1/4); low foothills north of 210 freeway 598 Comment
  UCR169825  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. 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
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Jul 9 2012
  CAS-BOT-BC305791  Helianthus nuttallii Davidson; Greata 1901-9-1 s.n. Los Angeles East Los Angeles Comment
  UC1010488  Heliotropium amplexicaule P. A. Munz 1954-9-5 20183 Los Angeles 3 mi. n. Claremont (vacant lots at Padua Hills); Padua Hills 487 Comment
  RSA360234  Hemizonia clementina M. B. Dunkle 1939-4-5 7277 Los Angeles Pyramid Cove, San Clemente Island. Comment
  POM360276  Hemizonia fasciculata B. C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  RSA360318  Hemizonia minthornii Robert Gustafson 1980-7-30 1835 Los Angeles Diamond Bar Ranch, north end of Topanga cyn. Blvd. at the junction of the Simi Fry. about 1/2 mile east of Iverson Rd. Santa Susanna Mts. Comment
  UCR99407  Hemizonia parryi subsp. australis D. E. Bramlet 1996-10-22 2480 Los Angeles South Coast 7.5' Q., Texaco Bryant Lease Oil Field, c. 91.6 m SE of the intersection of Studebaker Rd. and Westminister Ave., 412 m west of San Gabriel river 3 Comment
  CAS-BOT-BC135901  Hesperoyucca whipplei Dr. Barton W. Evermann 1916-5-15 s.n. Los Angeles Newhall Comment
  CAS-BOT-BC135946  Hesperoyucca whipplei Patricia Wilder 1963-6-11 1401 Los Angeles San Gabriel Mountains; San Dimas Experimental Forest at junction of roads to Tanbark Flat and San Dimas Canyon Comment
  SBBG133905  Heterocodon rariflorum R. Burgess, P. Munro 2005-5-18 6854 Los Angeles W side of Westlake Blvd, top of 1st Hill S of Ventura County line, Santa Monica Mtns 457 Comment
  CHSC3722  Heteromeles arbutifolia Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp. Comment
  RSA0116116  Heteromeles arbutifolia R. G. Swinney 2010-8-23 13569 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  UCR189929  Heteromeles arbutifolia T. B. Salvato, Sandra Murcia 2007-10-18 3083 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  RSA0075647  Heterotheca grandiflora LeRoy Gross 2007-4-21 2650 Los Angeles Verdugo Mountains region: North side of the range; Engleheard Canyon. Pass or up canyon from Camp Max Straus at the end of Shirly Jean Street. Along fire road, close to a picnic area with a table. Pass the corral area for the camp. 379 Comment
  UCR189931  Heterotheca grandiflora T. B. Salvato, Sandra Murcia 2007-10-18 3086 Los Angeles Western Transverse Range; Santa Monica Mtns., near Stunt's Ranch, north of Cold Creek and east of Mulholland Hwy 335 Comment
  RSA0074071  Heterotheca grandiflora F. R. Fosberg 1931-10-11 7216 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA0075653  Heterotheca grandiflora L. C. Wheeler 1933-9-26 2131 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  UC68926  Heterotheca sessiliflora subsp. echioides H. M. Hall 1905-7-1 6713 Los Angeles Antelope Valley Fairmount; Mohave Desert 853 Comment
  SFV21038  Heterotheca sessiliflora subsp. fastigiata L. Gross 2001-11-10 453 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  UCR273260  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-25 15862 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
  POM360458  Hieracium argutum Anstruther Davidson 1892-8-20 2040 Los Angeles Santa Anita Canyon Comment
  UCR194307  Hieracium argutum var. parishii R. G. Swinney 1998-8-6 6675 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  SD181642  Hirschfeldia incana LeRoy Gross, Michael Denslow, et al. 2003-2-10 692 Los Angeles Verdugo Mountains Region; south side along dirt road to top of crest at Verdugo Motorway. 783 Comment
  UC160451  Hirschfeldia incana A. Davidson, M. D. Nov 1911 2787 Los Angeles Los Angeles Comment
  CAS-BOT-BC149959  Holodiscus discolor var. discolor Grant 1904-6-5 6275 Los Angeles Milland Canyon 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
  RSA0055948  Hordeum murinum Richard G. Swinney 2010-4-30 12460 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  UCR168519  Hordeum murinum Carl Epling 1931-4-25 s.n. Los Angeles Western Transverse Range, Los Alisos Canyon, Santa Monica Mtns. 305 Comment
  RSA649071  Hordeum murinum subsp. glaucum Matt Brooks 1988-5-12 69 Los Angeles Hacienda Heights, Oak Canyon Dr. 1.1 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  POM352467  Hordeum murinum subsp. leporinum Jack Rempel 1932-3-24 s.n. Los Angeles El Segundo. Comment
  CAS-BOT-BC532290  Horkelia cuneata var. puberula Le Roy Abrams 1901-7-1 14231910 Los Angeles Claremont Comment
  CAS-BOT-BC144034  Horkelia rydbergii F. A. M. 1936-9-6 14729 Los Angeles Lake Arrowhead Comment
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Mar 20 2019
  PASA733  Hugelia virgata M. Stason 1930-5-8 Los Angeles Desert Near Lancaster Comment
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May 5 2021
  CDA38602  Hydrilla verticillata CDFA Staff 1980-10-15 s.n. Los Angeles Los Angeles Museum (of Natural History?) 0 Comment
  UC19041  Hypericum formosum var. scouleri unknown Los Angeles Claremont Comment
  CAS-BOT-BC401311  Hypericum scouleri Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8105 Los Angeles Liebre Mountains. Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring 847 Comment
  RSA584503  Hypochaeris glabra Timothy S. Ross 1992-5-24 6411 Los Angeles Brown's Gulch: Draining to San Gabriel Canyon at base of San Gabriel Dam. 464 Comment
  SBBG98621  Hypochaeris glabra T. Ross 1991-5-21 5374 Los Angeles between Box and Horse cyns; 1.2-1.25 mi SSW from N-S axis rd separating just NW of Thirst 483 Comment
  CATA3216  Isocoma menziesii Julie L. King 2016-11-30 35 Los Angeles Santa Catalina Island: 25 meters west of SE junction of Empire Landing & Quarry Haul Rd. 166 Comment
  JEPS26119  Isocoma menziesii var. vernonioides Peter H. Raven and Henry J. Thompson 1959-9-19 13720 Los Angeles US Hwy 101 0.2 mi e of turn to Zuma Beach; Santa Monica Mountains 45 Comment
  SDSU19645  Isocoma menziesii var. vernonioides Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2202 Los Angeles San Clemente Island, ca. 0.7 mile north-northwest of South Point, along ridge. 122 Comment
  JEPS30652  Jaumea carnosa Peter H. Raven and Henry J. Thompson 1959-9-6 14363 Los Angeles salt marsh at mouth Malibu Creek; Santa Monica Mountains 1 Comment
  HSC13963  Juglans californica C. E. Fellows 1965-9-3 125 Los Angeles San Monica Mtns., 1/10 mi. W of intersection of Las Virgenes Rd. on Mulholland Rd., N side of road. Comment
  SD126089  Juglans californica Lyman Benson 1957-4-17 15721 Los Angeles Kellogg Campus of California Ploytechnic University, San Jose Hills, Pomona 305 Comment
  RSA629707  Juglans californica var. californica Louis C. Wheeler 1967-7-6 9921 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  UC1135935  Juglans californica var. californica A. E. Wieslander 1933-3-26 283 Los Angeles Puente Hills Corona (Anaheim) Quadrangle Comment
  UC847333  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  UCR204410  Juncus R. G. Swinney 2001-9-15 8171 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
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Dec 7 2018
  RSA0039141  Juncus acutus R. G. Swinney 2010-3-10 11787 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  SBBG31276  Juncus acutus R. F. Thorne with P. C. Everett 1965-6-24 Los Angeles just below dam in lower Cottonwood Cyn 38 Comment
  SBBG128414  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-6-21 2294 Los Angeles Upper Bullrush Cyn 286 Comment
  RSA0098634  Juncus balticus R. G. Swinney 2008-10-10 9581 Los Angeles San Gabriel Mtns.: Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UCR126552  Juncus bufonius Mark A. Elvin, Kim Marsden 2003-8-8 2973 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UC842318  Juncus bufonius I. Johnston 1917-6-13 1347 Los Angeles w of Pomona Comment
  UCR101224  Juncus covillei var. obtusatus L. C. Wheeler 1954-9-1 7088 A Los Angeles San Gabriel Mtns., Little Rock Creek at Buckhorn Comment
  UCR223496  Juncus effusus R. G. Swinney 2009-6-2 11001 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA0091983  Juncus macrophyllus R. G. Swinney 2011-10-10 15721 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA226074  Juncus macrophyllus Robert F. Thorne, C. W. Tilforth 1971-6-17 39943 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA764409  Juncus rugulosus Justin M. Wood 2009-8-18 1258 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA594292  Juncus textilis L. C. Wheeler 1967-7-30 10247 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  UCR209128  Juncus torreyi R. G. Swinney 2008-6-25 9102 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  POM6815  Juniperus californica I. M. Johnston 1920-1-1 s.n. Los Angeles San Gabriel Wash at Azusa. ca. 500+ ft alt. 152 Comment
  RSA352541  Juniperus communis var. montana Aloys Nicholson 1933-5-7 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  LA209290  Keckiella breviflora Walter Ostromecki; 1974-1 sn Los Angeles Tehachapi Mountains, Fort Tejon Pass/Lebec 1353 Comment
  RSA533939  Keckiella cordifolia Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  UCR71454  Keckiella cordifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA171018  Keckiella ternata subsp. septentrionalis Robert F. Thorne 1963-7-11 32771 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  POM308397  Keckiella ternata subsp. ternata Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3123 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  SBBG128681  Kickxia elatine N. Fraga 2014-4-2 Los Angeles Rancho Santa Ana Botanic Garden near pond and cultivar garden [cultivated] 396 Comment
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  SEINET7062870  Krascheninnikovia lanata A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Route 138. (WGS84/NAD83). UTM Zone 11, 412010mE, 3820421mN. 897 Comment
  RSA250523  Lactuca serriola R. F. Thorne, John Dourley 1967-10-10 37333 Los Angeles Angeles National Forest: Jackson Lake, W end of lake. 1867 Comment
  SEINET6050464  Lactuca serriola Unknown 1996-9-24 8952 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC341492  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  RSA601330  Lagophylla ramosissima subsp. ramosissima Steve Boyd, Lauren Raz 1997-6-18 9966 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  CATA425  Lamarckia aurea Sara L. Crockett, Sheila Schueller 1997-3-8 563 Los Angeles Santa Catalina Island: Point overlooking Cottonwood Beach, ca. 25 m W of road 79 Comment
  SBBG31063  Lamarckia aurea R. F. Thorne with P. C. Everett 1965-5-10 34453 Los Angeles around Echo Lake 411 Comment
  UC818674  Lamarckia aurea Marcus E. Jones, A. M. 1882-5-1 3214 Los Angeles Los Angeles Comment
  UC883161  Lamium amplexicaule Louis C. Wheeler 1932-3-30 796 Los Angeles 2 mi ne La Verne 373 Comment
  UCR95472  Lamium amplexicaule L. C. Wheeler 1967-4-9 9186 Los Angeles San Gabriel Mtns., San Gabriel Canyon, Canyon Inn [2280 North San Gabriel Canyon Rd., Azusa] 244 Comment
  UCR197722  Langloisia matthewsii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 92 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  LA209852  Larrea tridentata Harlan Lewis; 1942-11-29 249 Los Angeles Little Rock Comment
  RSA586614  Lasiospermum bipinnatum Timothy S. Ross, Steve Boyd, S. Carlquist 1992-5-26 6427 Los Angeles Northern Claremont: just S of the intersection of Mills Avenue x Mt. Baldy Road. 497 Comment
  CAS-BOT-BC338110  Lasthenia californica Geo. B. Grant 1903-4-23 s.n. Los Angeles Saugus Comment
  LA103298  Lasthenia californica Barry A. Prigge; 1986-3-19 6932 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 30 Comment
  RSA361496  Lasthenia californica J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  CAS-BOT-BC352709  Lasthenia coronaria Ernest Braunton 1902-4-29 254 Los Angeles N. Pomona Comment
  CAS-BOT-BC354218  Lasthenia coronaria L. R. Abrams 1901-4-6 1336 Los Angeles Chatsworth Park Comment
  JEPS10020  Lasthenia gracilis W. L. Jepson 1920-5-3 8922 Los Angeles near Newhall Comment
  RSA0060768  Lasthenia gracilis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6823 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA0098616  Lasthenia gracilis R. G. Swinney 2011-4-20 14467 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
  SBBG61624  Lasthenia gracilis M. N. Ackley -Mar-1927 275 Los Angeles Baldwin Hills 60 Comment
  UC284905  Lasthenia gracilis G. B. Grant 1904-5-14 6221 Los Angeles Playa del Rey Comment
  UCR187273  Lasthenia gracilis A. C. Sanders 2006-4-18 32101 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  POM361501  Lasthenia gracilis Anstruther Davidson 1890-04 s.n. Los Angeles [Unspecified] Comment
  RSA724437  Lathyrus laetiflorus K. Dobry 1990-3-25 110 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA405673  Lathyrus vestitus subsp. laetiflorus B. C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA405693  Lathyrus vestitus subsp. laetiflorus I. W. Clokey, B. C. Templeton 1929-03 4463 Los Angeles Mandeville Canyon, Santa Monica Mountains. 300 Comment
  RSA606061  Lathyrus vestitus var. alefeldii R. S. Woglum 1934-3-25 s.n. Los Angeles South Coast: Pacoima; San Fernando Valley. Comment
  SBBG31130  Lathyrus vestitus var. alefeldii R. F. Thorne 1966-4-28 Los Angeles rd to Renton Mine, Pebbly Beach Cyn 243 Comment
  UC535354  Lathyrus vestitus var. vestitus Ira W. Clokey, B. Templeton Mar 1929 4463 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  RSA1794  Lathyrus vestitus var. vestitus C. F. Baker 1904-5-2 4762 Los Angeles Hills near Claremont Comment
  RSA151008  Lavatera assurgentiflora subsp. assurgentiflora Peter H. Raven 1962-5-7 17579 Los Angeles San Clemente Island, Wilson Cove. 61 Comment
  CAS-BOT-BC482465  Layia glandulosa R. G. Swinney 2010-5-12 12755 Los Angeles San Gabriel Mountains: Soledad Canyon near Kentucky Springs, 2.2 mi W of Angeles Forest Hwy, 1.4 mi W of Cincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the S side of West Carson Mesa Rd 921 Comment
  UCR141189  Layia glandulosa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  JEPS39198  Layia glandulosa W. L. Jepson 1914-5-12 5936 Los Angeles Mohava Desert Comment
  RSA92283  Layia glandulosa F. W. Peirson s.n. Los Angeles Wash of Arroyo Seco, Pasadena Comment
  JEPS39160  Layia platyglossa W. L. Jepson 1938-4-21 19221 Los Angeles San Fernando Comment
  POM361669  Layia platyglossa subsp. campestris L. E. Hoffman 1931-5-18 s.n. Los Angeles Arroyo Seco near Brookside Park. Comment
  RSA83351  Lepechinia fragrans F. W. Peirson 177 Los Angeles upper part of Mt. Wilson trail (now toll road) Comment
  UC1929628  Lepechinia fragrans Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 349 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 7.3 mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  RSA779997  Lepidium didymum R. G. Swinney 2009-4-7 10283 Los Angeles 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, under 2nd span from west 184 Comment
  SBBG98639  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5085 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SBBG14241  Lepidium oblongum M. A. Piehl 1962-6-9 62364 Los Angeles Thirst 597 Comment
  RSA429648  Lepidium perfoliatum Anstruther Davidson 1922-5-28 s.n. Los Angeles Lancaster. Comment
  UC1971139  Lepidium virginicum Louis C. Wheeler 1947-3-23 6460 Los Angeles San Gabriel Mountains; Kinneloa Canyon. Comment
  RSA726750  Lepidium virginicum H. L. Bauer 1932-1-6 16798 Los Angeles Santa Monica Mtns. Comment
  CAS-BOT-BC339174  Lepidospartum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon]. Near Pasadena, San Gabriel Mts Comment
  RSA145203  Lepidospartum latisquamum S. Carlquist 1960-9-11 635 Los Angeles Between Wrightwood and Big Pines on Hwy 138. 2011 Comment
  RSA95033  Lepidospartum squamatum F. W. Peirson 1919-10-20 275 Los Angeles Brae Burn Road, Altadena. Comment
  UCR142710  Leptochloa uninervia Ian Swift 2001-9-27 338 Los Angeles Lower Bouquet Canyon; side channel of Bouquet Canyon, 50 m east of the Scudder Boy's Camp 432 Comment
  RSA762134  Leptodactylon californicum Orlando Mistretta, Christine Mistretta 2008-5-15 3071 Los Angeles W fork of the San Gabriel River, Short Cut Cyn Rd. 1063 Comment
  UC566101  Leptodactylon californicum G. T. Nordstrom 1935-2-26 339 Los Angeles 2 1/2 mi se Mouth of Liebre Gulch; Tejon Quad., se of mouth of Liebre Gulch 670 Comment
  UC303735  Leptodactylon pungens I. Johnston 1917-7-3 1411 Los Angeles Upper San Antonio 2286 Comment
  UCR98734  Leptodactylon pungens subsp. pulchriflorum T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3836 Los Angeles San Gabriel Mtns., Ridgetop to the west of Crystal Lake, ridge descending SSW from Mt. Islip. 2037 Comment
  CHSC26194  Leptosiphon aureus James Henrickson 1971-5-2 5538 Los Angeles 15 mi. E. of Palmdale, 3 mi. N. of Hwy. 138 along 167 St. So. of Lovejoy Buttes in Mojave Desert. 944 Comment
  SDSU21374  Leptosiphon breviculus S. H. Bullock 1968-4-6 38 Los Angeles Claremont. North side of Foothill Blvd. between Darthmouth and College Ave. 366 Comment
  RSA634230  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1969-7-10 38399 Los Angeles Along Mescal Creek. 2043 Comment
  RSA799679  Leptosyne bigelovii Pam De Vries 2013-4-3 7842 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1058 Comment
  RSA593560  Lessingia glandulifera var. glandulifera Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8918 A Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  POM9152  Lessingia glandulifera var. glandulifera Edward L. Greene 1903-8-1 3444 Los Angeles Claremont. 365 Comment
  RSA562716  Lessingia glandulifera var. glandulifera D. Charlton 1991-5-18 5193 a Los Angeles Piute Ponds, Edwards AFB, Mojave DEsert, Antelope Valley, Halophytic Phase Saltbush scrub with Joshua Tree and Shadcale with 4 wing Saltbush 709 Comment
  CAS-BOT-BC339562  Lessingia glandulifera var. peirsonii Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley, between Lancaster and highway 99 Comment
  RSA0035138  Leucojum aestivum Lee Haines 1951-3-11 3 Los Angeles Topanga Canyon. 259 Comment
  SEINET251715 Image available Leymus cinereus David Charlton, Mark Hagen 1989-6-30 3256 A Los Angeles Western Mojave Desert: southwest of Piute Ponds, Edwards Air Force Base (Rosamond 7.5' Q.:). 700 Comment
  UCR258949  Ligustrum lucidum R. G. Swinney 2010-2-27 11761 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
  UCR152455  Limonium perezii A. C. Sanders, Lee Jones 2005-4-8 29330 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCSB17048  Limonium sinuatum Van Scoyoc, Dave 1963-5-18 Los Angeles corner of First St. and Ardmore Ave; Manhattan Beach Comment
  RSA468568  Linanthus androsaceus subsp. luteolus J. H. Holland 1884-5-12 s.n. Los Angeles Near the University. Comment
  POM3600  Linanthus californicus C. F. Baker 1909-5-15 5313 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA11020  Linanthus californicus C. B. Wolf 1928-4-1 1608 Los Angeles Santa Susanna Pass. 1/2 mi. from summit. Comment
  RSA674777  Linanthus californicus Scott D. White, Kent Hughes 2000-5-16 7854 Los Angeles Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA679921  Linanthus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 930 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1). 1631 Comment
  RSA233370  Linanthus dianthiflorus subsp. dianthiflorus Arthur C. Gibson, Linda Gibson 1972-3-4 2769 Los Angeles Dume Road near Point Dume. Comment
  RSA716640  Linanthus dichotomus Andrea Edwards, Pam De Vries 2005-3-29 55 Los Angeles Triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. Site includes sections of Gorman Creek, San Andreas Rift Zone, and Peace Valley. 1037 Comment
  RSA0014785  Linanthus liniflorus Robert L. Dressler 1949-6-18 878 Los Angeles Johnstone Peak, San Gabriel Mts. 853 Comment
  RSA716671  Linanthus parryae Scott D. White, Pam De Vries 2006-5-10 11455 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC1250453  Linanthus parryae Isabelle Tavares, Valera Brinson 1962-4-18 290 Los Angeles 26 mi E of Palmdale (on Hwy. 138) 1036 Comment
  UCR124025  Linanthus parryae George K. Helmkamp, E. A. Helmkamp 2001-5-2 6660 Los Angeles Western Mojave Desert, Antelope Valley, 0.1 mi west of Calif. Hwy 138 on Ave. W, then 0.3 mi S on [180th St. East] dirt road 976 Comment
  UC908615  Linanthus parviflorus Margaret Stason 1927-5-14 Los Angeles Big Pines San Gabriel Mts. Comment
  POM8796  Linaria canadensis Philip A. Munz, R. D. Harwood 1920-5-2 3838 Los Angeles San Dimas Canyon. 457 Comment
  RSA721301  Linaria canadensis var. texana R. G. Swinney 1998-4-11 5937 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  UCR256242  Linaria canadensis var. texana R. G. Swinney 2010-3-22 11998 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UCSB42849  Linaria maroccana Green, Lisa 1980-5-30 Los Angeles 1/4 mi. N. of the Simi Valley Freeway near; Iverson Rd 426 Comment
  UCR180715  Lithophragma R. G. Swinney 1995-4-4 3480 Los Angeles San Gabriel Mtns, Glendora, ridge overlooking south end of Mystic Canyon at Big Dalton Canyon 451 Comment
  UCSB2561  Lithophragma affine Decker, Helen 1946-5-5 Los Angeles Little Bear Canyon, Mt. Baldy Area Comment
  RSA468191  Lithophragma heterophyllum Louis C. Wheeler 1935-4-25 3435 Los Angeles Placerita Canyon. 457 Comment
  RSA152085  Lithophragma tenellum Wesley O. Griesel 1962-5-28 s.n. Los Angeles Big Pines 1829 Comment
  RSA733126  Lobelia dunnii R. G. Swinney 1998-7-30 6588 Los Angeles San Gabriel Mtns.: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon. 976 Comment
  UC1587702  Logfia filaginoides Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5190 Los Angeles shallow pond at westerly earthen dam and mesic inlet draw Twin Dams; San Clemente Island, Twin Dams 473 Comment
  UC1109371  Lolium perenne Peter H. Raven 1962-5-8 17617 Los Angeles Wilson Cove San Clemente Island (barracks area); , Wilson Cove 91 Comment
  UCR93324  Lolium perenne Scott D. White 1996-5-15 4044 Los Angeles Southern Coastal region, Marina Del Rey Area; Ballona Creek floodplain W of Lincoln Blvd. & south of Jefferson Blvd. 3 Comment
  POM356946  Lolium perenne subsp. multiflorum F. R. Fosberg 1931-5-22 S 496 Los Angeles Bird Rock, Isthmus Harbor, Santa Catalina Island. Comment
  POM356970  Lolium temulentum Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA133256  Lolium temulentum P. H. Raven 1959-5-3 14075 Los Angeles Santa Monica Mountains. Mulholland Drive near head of Franklin Canyon, (34?N; 118-119?W) 381 Comment
  UC1619318  Lomatium dasycarpum subsp. dasycarpum Timothy S. Ross 1995-4-7 8368 Los Angeles Old Ridge Route, 2.9 road mi NNW of intersection with Templin Hwy; 1840 m WNW of confluence of Castaic Creek and Fish Canyon 926 Comment
  UC21201  Lomatium dasycarpum subsp. dasycarpum Dr. A. Davidson 1893-1 Los Angeles Los Angeles Comment
  UC457263  Lomatium lucidum Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Comment
  SEINET7876136 Image available Lomatium utriculatum A. D. Gifford 1935-1 582 Los Angeles 1 mile N.E. of Quail Lake Sec. 13 T.8N. R. 18W. Comment
  SFV10360  Lomatium utriculatum M. L. Vincent 1963-4-25 322 Los Angeles Santa Monica Mountains Intersection of Mulholland Highway and Old Topanga Road. 0.5 miles from road. Comment
  SBBG13639  Lonicera hispidula E. R. Blakley 1962-10-5 5462 Los Angeles Eagles Nest, Middle Ranch Cyn 152 Comment
  CLARK-A1528-2397  Lonicera hispidula var. vacillans Henry Joseph Thompson 1960-6-7 3070 Los Angeles Malibu Canyon 152 Comment
  SD85074  Lonicera hispidula var. vacillans E. R. Blakley 1962-10-5 5462 Los Angeles Santa Catalina Island; Eagles Nest in Middle Ranch Canyon. 149 Comment
  CAS-BOT-BC240750  Lonicera interrupta Timothy S. Ross; Steve Boyd 1994-5-25 7944 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit 1075 Comment
  UCR155627  Lonicera interrupta A. C. Sanders 2005-5-11 30139 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA572378  Lotus argophyllus F. H. Elmore 1939-11-24 s.n. Los Angeles Northwest Harbor, San Clemente Island. Comment
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Feb 25 2014
  RSA406757  Lotus argophyllus var. ornithopus Anonymous 1906-07 s.n. Los Angeles Santa Catalina Island Comment
  RSA90354  Lotus crassifolius var. crassifolius F. W. Peirson 1923-5-26 4075 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1890 Comment
  RSA682522  Lotus grandiflorus Scott D. White, Michael Honer 2003-5-7 9196 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  JEPS8611  Lotus grandiflorus var. grandiflorus Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-15 4203 Los Angeles betw Little Tujunga Canyon and Pacoima Canyon (along FS road following the crest of Mendenhall Ridge, 13 mi e of its start at paved road crossing w crest of this ridge); San Gabriel Mountains, Angeles National Forest, Mendenhall R 1584 Comment
  UCR190929  Lotus heermannii R. G. Swinney, Dave Larson 1999-6-12 7545 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  UCR210217  Lotus heermannii R. G. Swinney 2008-10-20 9646 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  RSA498313  Lotus heermannii var. heermannii Edwin Kline 1924-6-22 s.n Los Angeles Arroyo Seco. San Gabriel Mountains. Comment
  RSA763143  Lotus humistratus Justin M. Wood 2010-5-10 1632 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA757327  Lotus humistratus Orlando Mistretta, Christine Mistretta 2008-4-4 2301 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 56 per TRTP survey; 2008) 1284 Comment
  UC1587666  Lotus nevadensis var. davidsonii Tim Ross 1991-8-14 5789 Los Angeles 0.5 mi e Lower Pacifico Campground Rd. (Pacifico Mtn Rd); San Gabriel Mountains, Pacifico Mtn. U.S.G.S. 7.5' Quad. 1926 Comment
  RSA406214  Lotus oblongifolius Anstruther Davidson 1892-5-3 s.n. Los Angeles Devil's Gate, Pasadena Comment
  RSA771648  Lotus procumbens R. G. Swinney 2009-5-20 10803 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA782207  Lotus purshianus R. G. Swinney 2009-8-25 11472 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR78570  Lotus purshianus R. G. Swinney 1993-6-10 2256 Los Angeles San Gabriel Mtns., San Gabriel Mountains, 1.5 mi. east of Glendora Mountain Road at Big Dalton Canyon Road, north side of road at NE end of flood control tunnel 433 Comment
  RSA498796  Lotus salsuginosus Robert M. Perkins 1936-4-17 154 Los Angeles Santa Monica Mts Comment
  UCR190406  Lotus salsuginosus R. G. Swinney 2000-5-20 7691 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  RSA0020368  Lotus scoparius Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5075 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA498849  Lotus scoparius Alton Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UC212480  Lotus scoparius S. B. Parish 1919-6-5 1187 B Los Angeles Playa del Rey Comment
  POM1869  Lotus scoparius Crawford, Hyatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. 305 Comment
  SFV6190  Lotus scoparius R. M. Muran 1974-4-4 61 Los Angeles Santa Monica Mountains Along Mulholland Drive in Mandeville Canyon area. 427 Comment
  UCR276789  Lotus scoparius subsp. scoparius R. G. Swinney 2011-3-29 14260 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA714686  Lotus scoparius var. scoparius A. C. Sanders, Mark A. Elvin 2003-6-18 26953 Los Angeles Western Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  RSA406315  Lotus strigosus Louis Greata 1901-03 s.n. Los Angeles Garvanza Comment
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Nov 25 2011
  RSA498740  Lotus strigosus E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA621305  Lotus strigosus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA679926  Lotus strigosus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 937 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  UC56570  Lotus strigosus Ernest Braunton Apr 1902 229 Los Angeles North Pomona Pomona Comment
  UCR68940  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA587525  Lotus strigosus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1099 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA589181  Lotus tomentellus T. S. Ross 1991-4-28 4749 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA592364  Lotus unifoliolatus Mark Hoefs 1974-4-30 440 Los Angeles Santa Catalina Island 84 Comment
  UCR11951  Ludwigia peploides P. H. Raven, H. J. Thompson 1959-10-18 14669 Los Angeles Western Transverse Range; Santa Monica Mtns., mouth of Malibu Creek, N arm of Malibu Lake 221 Comment
  CAS-BOT-BC201196  Lupinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout [Swarthout] Valley, San Gabriel Mts. 2590 Comment
  RSA251552  Lupinus agardhianus R. F. Thorne 1973-4-11 42797 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  RSA533953  Lupinus agardhianus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5205 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  UC1129369  Lupinus bicolor A. D. Gifford 1935-3-31 540 Los Angeles 6 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. Comment
  UCR229130  Lupinus bicolor Dan S. Cooper 2011-5-10 511- 75 Los Angeles San Gabriel Valley, San Gabriel, NE corner of South Arroyo Dr. and West Santa Anita Ave., near San Gabriel Mission 128 Comment
  RSA381562  Lupinus bicolor R. Mattoni 1986-04 s.n. Los Angeles Back edge of the beach just W of Los Angeles International Airport. 6 Comment
  RSA592265  Lupinus bicolor L. C. Wheeler 1967-5-12 9486 Los Angeles San Gabriel Mountains. Between summits 4174 and 4183, east of Vincent. 1250 Comment
  SEINET10484862  Lupinus bicolor subsp. marginatus James S. Henrickson 1966-4-16 Henrickson 2249 Los Angeles Ca 10 miles w of lancaster along hwy 138; flowers yellowish; locally abundant With eschscholzia californica 762 Comment
  POM350049  Lupinus bicolor subsp. microphyllus Robert M. Perkins 1935-4-13 82 Los Angeles Gorman (Ridge) Comment
  SEINET10484902  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-1 Dunn 1994 Los Angeles Cultivated and weedy plants in the yard at 4911 pasadena ave. Terrace, los Angeles. Comment
  SEINET4035701  Lupinus bicolor var. microphyllus R. Moran 1941-1 592 Los Angeles In field, north of Middle Ranch, San Clemente Island. 500 Comment
  RSA755882  Lupinus breweri R. G. Swinney 2008-7-24 9281 Los Angeles Waterman Mountain 2412 Comment
  RSA407121  Lupinus chamissonis Richard Arnold 1984-8-10 1021 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2 Comment
  RSA407126  Lupinus chamissonis Mary D. Merilatt 1936-7-18 s.n. Los Angeles Playa del Rey. Comment
  RSA652105  Lupinus chamissonis G. A. Conley 1955-5-21 s.n. Los Angeles Playa Del Rey Sand Dunes. Comment
  UCR150822  Lupinus concinnus R. G. Swinney 1998-4-14 5979 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  UCR263066  Lupinus concinnus Mitch Provance 2008-4-14 10136 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
  UC130329 Image available Lupinus densiflorus var. altus J. Burtt Davy May 9 1896-May 24 1896 2505 Los Angeles Manzana Antelope Valley; Manzana, Antelope Valley Comment
  CAS-BOT-BC216665  Lupinus excubitus subsp. hallii L. R. Abrams 1901-7-1 1849 Los Angeles Mount Wilson Comment
  CAS-BOT-BC205406  Lupinus excubitus var. austromontanus E. K. Balls 1952-4-26 8490 Los Angeles Junct. Hwy. 138 & side rd. to Victorville 9.6 mi. N.W. of Camp Cajon 914 Comment
  SFV1876  Lupinus excubitus var. austromontanus P. G. Kilburn 1958-6-18 839 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  CAS-BOT-BC216536  Lupinus excubitus var. johnstonii Carl B. Wolf 1936-5-27 7853 Los Angeles 2.4 miles above thi [the] Camp Summit, Aliso Canyon to Buckhorn Flats Road, San Gabriel Mountains 1706 Comment
  CAS-BOT-BC216544  Lupinus excubitus var. johnstonii L. R. Abrams 1913-7-18 5009 Los Angeles Russel's Lake Comment
  RSA588640  Lupinus excubitus var. johnstonii Orlando Mistretta 1994-5-31 1270 Los Angeles Santiago canyon. N slope of Pacifico Mountain. 2073 Comment
  POM11043  Lupinus latifolius J. H. Barber 1899-5-7 s.n. Los Angeles No data on label Comment
  CAS-BOT-BC211725  Lupinus longifolius Charlotte M. Hoak 1933-7-1 s.n. Los Angeles Pacific Palisades, Santa Monica Comment
  HSC12459  Lupinus longifolius Wendell Wood 1970-6-24 39 Los Angeles Angeles Crest Hwy., 6 mi. beyond intersection of Foothill Blvd. 762 Comment
  RSA20215  Lupinus longifolius Theodore Payne 1938-5-15 9410 Los Angeles San Fernando Valley, Victory Blvd, east of Van Nuys. [This most likely refers to Victory Blvd coming out of Van Nuys. Ref: Mr. Tony Morosco] 274 Comment
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Apr 5 2008
  RSA276008  Lupinus longifolius Jack Delaini 1974-5-9 199 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. Johnson Peak Road, at head of Canyon 854 Comment
  RSA617305  Lupinus longifolius R. S. Woglum 1934-3-25 1473 B Los Angeles South Coast: Pacoima; San Fernando Valley. Comment
  UC535526  Lupinus longifolius Ira W. Clokey, B. Templeton May 1929 4560 Los Angeles Mandeville Canyon , Mandeville Canyon (Santa Monica Mountains) 250 Comment
  SEINET10485632  Lupinus longifolius Bryan 1928-2-18 BRYAN 59 Los Angeles Mandeville canyon, near santa monica. Comment
  SD42005  Lupinus microcarpus var. densiflorus Darley F. Howe 1947-5-3 1549 Los Angeles Mint Canyon Comment
  RSA709601  Lupinus microcarpus var. microcarpus Mark Elvin, Cathleen Weigand 2003-4-8 2455 Los Angeles Santa Clarita Valley: Newhall Ranch, flats S of confluence of Hasley Canyon with Castaic Creek. 297 Comment
  HSC24296  Lupinus odoratus var. odoratus J. Baltierra 1971-5-2 17 Los Angeles 15 mi. E of Palmdale on S slope of Lovejoy Buttes in Mojave Desert 976 Comment
  RSA678390  Lupinus sparsiflorus subsp. sparsiflorus Valerie L. Soza, LeRoy Gross 2002-4-3 1373 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  RSA590526  Lupinus sparsiflorus subsp. sparsiflorus Orlando Mistretta 1994-3-30 965 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA86969  Lupinus sparsiflorus subsp. sparsiflorus F. W. Peirson 1919-2-12 87 Los Angeles Hills west of the lower Arroyo Seco, west of Pasadena 396 Comment
  RSA0082896  Lupinus succulentus R. G. Swinney 2010-5-7 12583 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
  UC185426  Lupinus succulentus Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  RSA485548  Lupinus succulentus T. S. Elias, Orlando Mistretta 1988-2-10 10664 Los Angeles San Clement Island: nursery on top of Marine Terrace Grade Comment
  RSA573564  Lupinus succulentus Tim S. Ross 1992-6-15 6588 Los Angeles Whittier Hills ( local name for the western extremity of the Puente Hills) grassy uplands at the head of the S fork of Sycamore Canyon. 354 Comment
  SEINET3145145  Lupinus succulentus E. K. Balls, LW Lenz 1950-3-28 14459 Los Angeles 3 mi N of Castaic, Hwy 99 457 Comment
  SFV16522  Lupinus succulentus K. Tajbakhsh 1996-4-13 16 Los Angeles California Channel Islands Santa Catalina Island. Fisherman's Bay. 500 m outside of USC Marine Research Station. On north facing slope high from roadside. Comment
  UCR273207  Lupinus truncatus R. G. Swinney 2011-4-26 14499 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  SFV7380  Lupinus truncatus T. Gordon, M. H. Grayum, R. Johnson 1975-4-18 899 Los Angeles Santa Monica Mountains Between Castro Peak and Mesa Peak, along main ridge fire road at head of Corral Canyon. 625 Comment
  UC130327  Lupinus truncatus J. Burtt Davy May 9 1896-May 24 1896 2606 Los Angeles Ell's Antelope Valley (Antelope Valley) Comment
  RSA0110585  Luzula comosa R. G. Swinney 2011-7-29 15564 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA722097  Lycium barbarum R. E. Riefner 2007-3-10 7 -115 Los Angeles Palos Verdes Peninsula, vicinity of Via Coronel Rd. and Via Olivera Rd. 115 Comment
  POM243819  Lycium californicum F. R. Fosberg 1931-5-16 720 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA526642  Lycium californicum Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-7 4224 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  SEINET10697084 Image available Lycium chinense Heidi H. Schmidt 1999-10-14 Schmidt 3809 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA590924  Lycium cooperi Orlando Mistretta 1994-04 1014 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  RSA451792  Lyonothamnus floribundus subsp. floribundus M. B. Dunkle 1928-5-20 1962 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  RSA582447  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8203 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map) 82 Comment
  UCR218027  Lythrum hyssopifolia A. C. Sanders, Dan S. Cooper 2010-8-5 38574 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR99448  Maclura pomifera L. C. Wheeler 1954-10-3 7100 Los Angeles San Gabriel Mtns., East side of Arroyo Seco [vicin. Prieto Canyon]; west of Dr. Jensen's [Broadview?] Sanitarium Comment
  SBBG52727  Madia exigua F. R. Fosberg 1931-5-4 4763 Los Angeles Bullrush Cyn 60 Comment
  SBBG108921  Malacothamnus clementinus S. A. Junak 1997-4-23 SCl 862 Los Angeles E side of Norton Cyn, just E of small gully, ca. 2.3 mi SW of Thirst 298 Comment
  SBBG96750  Malacothamnus clementinus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4279 Los Angeles lower half of China Cyn 182 Comment
  CAS-BOT-BC230922  Malacothamnus davidsonii W. S. Lyon Aug 1884 s.n. Los Angeles Big Tujunga [Tajunga] Comment
  RSA308299  Malacothamnus fasciculatus Henry J. Ramsey, Henry J. Ramsey 1937-5-16 3084 Los Angeles Altadena, N. Craig Ave. Comment
  RSA9543  Malacothamnus fasciculatus Fay A. MacFadden 1929-6-4 1591 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA434854  Malacothamnus fremontii Anstruther Davidson 1920-6-1 3369 Los Angeles Acton Road. Comment
  RSA772109  Malacothamnus fremontii R. G. Swinney 2009-5-20 10842 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  CAS-BOT-BC345327  Malacothrix californica Steve Boyd; Lauren Raz 1997-4-16 9512 Los Angeles Liebre Mountains Region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  RSA611842  Malacothrix californica Steve Boyd, Valerie Soza 1998-4-28 10170 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  SEINET5763224 Image available Malacothrix californica var. glabrata Marjorie Shaw, Edna Spaulding, Mrs. C. L. Walton 1917-4-6 Los Angeles Mojave Desert, Antelope Valley 2500 Comment
  CAS-BOT-BC345408  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles On trail to Madrona [Madrona] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  CAS-BOT-BC520317  Malacothrix glabrata R. G. Swinney 2010-4-15 12217 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25--0.7 mi E of Pacoima Wash 609 Comment
  SEINET3859913  Malacothrix saxatilis R. G. Swinney 2009-4-15 10338 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  RSA155466  Malacothrix saxatilis var. tenuifolia L. S. Rose 1960-8-28 60085 Los Angeles Santa Monica Mountains east slope of Coldwater Canyon 335 Comment
  SD92010  Malacothrix saxatilis var. tenuifolia Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-22 22668 Los Angeles San Clemente Island; Wilson's Cove. 20 Comment
  UCR273278  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-7 15418 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
  CHSC109988  Malosma laurina L. P. Janeway 2011-10-16 10776 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Re-gional County Park, along Shabarum Trail; 1.7 air km south-southwest of the junction of S. Azusa Ave and Colima Road. 342 Comment
  RSA386413  Malosma laurina F. R. Fosberg 1931-6-19 S- 5127 Los Angeles Carbon Canyon, Puente Hills Range. Comment
  RSA649824  Malosma laurina Matt Brooks 1988-4-12 59 Los Angeles Whittier, along th esouthern ridge of Dark Canyon 1.0 miles east of the Whittier water tank. Comment
  RSA434897  Malva parviflora M. B. Dunkle 1933-4-14 3294 Los Angeles Long Beach. Comment
  RSA639564  Malva parviflora Louis C. Wheeler 1967-5-18 9650 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 479 Comment
  CDA990  Marah macrocarpa D. G. Kelch 1991-3-24 1338 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  LA200401  Marah macrocarpa J. A. Ewan; 1931-3-3 4051 Los Angeles 304 Comment
  RSA0077090  Marah macrocarpa R. G. Swinney 2010-4-15 12228 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA580954  Marah macrocarpa Catherine A. Mish 1995-2-17 1 Los Angeles Santa Monica Mtns, Hollywood Reservoir 250 Comment
  UCR96600  Marah macrocarpa Scott D. White 1997-2-2 4661 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
  RSA256462  Marah macrocarpa P. A. Munz 1940-4-29 16576 Los Angeles San Antonio Wash, northeast of Claremont. 518 Comment
  UCSB9118  Marah macrocarpa Philbrick, Ralph 1955-3-1 Los Angeles South of La Verne in the Puttingstone Dam area, San Jose Mts. 304 Comment
  UC1871316  Marah macrocarpa var. macrocarpa T. S. Ross, Walter Appleby 1993-5-13 7126 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon Comment
  UCR107776  Marah macrocarpa var. macrocarpa D. Zygielbaum, M. Low 1997-3-6 01 Los Angeles Base of San Gabriel Mtns., Claremont, NW corner of Mills Avenue and Foothill Boulevard. N end of field station panhandle near most northern dirt access road 412 Comment
  RSA0036892  Marrubium vulgare Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  RSA409815  Marrubium vulgare Erwin Miller 1934-5-1 s.n. Los Angeles Verdugo Woodland Comment
  RSA409838  Marrubium vulgare James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale. Comment
  RSA592607  Marrubium vulgare Mark Hoefs, D. Propst 1973-3-14 98 Los Angeles Cape Canyon, Santa Catalina Island. 290 Comment
  RSA0055092  Marrubium vulgare Jim Shevock 1970-4-8 108 Los Angeles Los Angeles, Pierce College. 243 Comment
  CATA1586  Matricaria discoidea Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2856 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  UCR230897  Matricaria matricarioides Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8019 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  RSA749113  Medicago lupulina R. G. Swinney 2005-8-9 8418 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA683178  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Bluff south side of Big Tujunga Wash, weed in yard in housing tract called Sunhill Estates. City of Sunland. 366 Comment
  SBBG67107  Medicago polymorpha M. N. Ackley -Mar-1926 575 Los Angeles Eagle Rock 182 Comment
  LA33776  Medicago polymorpha Peter H. Raven; Henry J. Thompson 1959-5-5 14117 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  UCSB3430  Medicago polymorpha Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., 1 mile West of Sepulveda Blvd., Santa Monica Mts. 457 Comment
  POM155788  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  CAS-BOT-BC281511  Melica imperfecta Peter H. Raven; Henry J. Thompson 1959-5-5 14149 Los Angeles Santa Monica Mts. Mulholland Highway, 1 mile W of Las Virgenes Rd, Malibu Creek drainage 274 Comment
  POM263184  Melica imperfecta J. C. Roos 1937-3-25 442 Los Angeles 12 miles west of Lancaster Comment
  RSA0080962  Melica imperfecta R. G. Swinney 2010-6-1 13098 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
  RSA129341  Melica imperfecta H. A. Jensen 1933-4-10 288 Los Angeles Hollywood Lake. Santa Monica Quad: T1N R14W Sec.34. 244 Comment
  RSA483710  Melica imperfecta Richard Noyes 1988-4-30 546 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA547820  Melica imperfecta Timothy S. Ross 1990-6-20 3626 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA587413  Melica imperfecta Orlando Mistretta 1995-3-28 1575 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek Reservoir just S of dam. 1006 Comment
  SBBG56952  Melica imperfecta M. N. Ackley -Apr-1929 Los Angeles La Crescenta 457 Comment
  UC440486  Melica imperfecta Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCR219402  Melica imperfecta R. G. Swinney 2009-3-25 10158 Los Angeles San Gabriel Mtns. Foothills, far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park 549 Comment
  RSA188230  Melilotus indicus Robert F. Thorne, Percy C. Everett 1965-6-22 34911 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  LA200494  Melilotus indicus Norman A. Cole; May 1964 323 c Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, Lake Malibu bridge on Lake Vista Rd. 213 Comment
  LA82123  Melilotus indicus O. H. Kappler; 1941-5-5 240 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCSB7346  Mentzelia affinis Wedberg, H. 1957-4-19 Los Angeles 0.5 mi E of Pearblossom 914 Comment
  LA210641  Mentzelia affinis Carl Epling; 1926-4-24 s.n. Los Angeles Mint Canyon 1523 Comment
  SBBG4845  Mentzelia affinis H. and M. Dearing 1930-4-15 1003 Los Angeles between Cajon Pass and Palmdale Comment
  RSA209613  Mentzelia albicaulis W. C. Anderson, E. Yale Dawson 1968-4-26 680426 -7 Los Angeles 10 miles W of Adelanto on the Victorville - Palmdale road in Wash Comment
  RSA0014582  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2011-6-18 5718 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA729202  Mentzelia congesta R. G. Swinney 1998-7-14 6448 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top. 2262 Comment
  RSA507972  Mentzelia dispersa Steve Boyd, Tim Ross 1988-4-28 2226 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  UCR273423  Mentzelia dispersa R. G. Swinney 2011-6-22 15244 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 1790 Comment
  RSA0084862  Mentzelia laevicaulis R. G. Swinney 2010-9-1 13673 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
  SEINET6084138  Mentzelia laevicaulis Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CATA1997  Mentzelia micrantha Steven A. Junak, Mark Hoefs 1997-6-4 410 Los Angeles Santa Catalina Island: W end of Empire Landing rock quarry site, on E side of small canyon 36 Comment
  LA200641  Mentzelia micrantha A. M. Johnson; 1934-5-4 4471 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM308325  Mentzelia micrantha Henry J. Ramsey, Henry J. Ramsey 1937-8-7 3058 Los Angeles Bear Creek Canyon, San Gabriel Mountains. Comment
  OBI70984  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mts Region: Lower Apple Cyn, due E of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and I-5 853 Comment
  RSA595934  Mentzelia veatchiana Louis C. Wheeler 1967-5-9 9386 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UC1121671  Mentzelia veatchiana A. D. Gifford 1935-4-21 611 Los Angeles 1 1/2 mi ne Manzana; Tejon Quadrangle Comment
  UCR223471  Mentzelia veatchiana R. G. Swinney 2009-5-28 10929 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET6944408  Mentzelia veatchiana W. P. Vestal, A. G. Vestal 1956-3-26 3480 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  POM147513  Mesembryanthemum nodiflorum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA004508B  Micropus californicus var. californicus Fay A. MacFadden 1931-04 3181 Los Angeles Verdugo Mountains: La Tuna Canyon 335 Comment
  UCR186895  Microseris douglasii A. C. Sanders 2006-4-14 32051 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
  CAS-BOT-BC348917  Microseris douglasii subsp. douglasii Ernest C. Twisselmann 1962-4-18 6958 Los Angeles Tehachapi Mountains. Tejon Ranch: north side of Oso Canyon on the road to Mexican Mine 1005 Comment
  HSC31061  Microseris douglasii subsp. douglasii K. L. Chambers 1954-4-26 497 Los Angeles Ventura Blvd. (Hwy. 101), Russle Valley, ca. 3 mi. E of Thousand Oaks Comment
  RSA507992  Microseris lindleyi Steve Boyd, Timothy S. Ross 1988-4-28 2247 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA653688  Microseris lindleyi Valerie L. Soza, Laura Moore 2000-5-10 868 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''. 518 Comment
  UCR220048  Microseris lindleyi R. G. Swinney 2009-4-24 10451 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA251497  Microseris lindleyi R. F. Thorne 1973-4-11 42790 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 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
  SDSU10752  Mimulus aurantiacus Gerald Collier 1951-4-5 Los Angeles Simi Hills, near North American Testing Grounds; 2 miles N of Chattsworth Lake. Comment
  LA51934  Mimulus aurantiacus Harlan Lewis; 1940-4-3 1289 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
  UCR140434  Mimulus aurantiacus var. pubescens June Latting 1958-5-11 323 Los Angeles Western Transverse Range; Santa Monica Mtns., Arroyo Sequit, 2 miles north of junction of Mulholland Hwy and Pacific Coast Highway 183 Comment
  UCR220376  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-4-15 10343 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCSB10374  Mimulus aurantiacus var. pubescens Wedberg, Lee 1954-4-5 Los Angeles Griffith Park 457 Comment
  RSA442688  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-5-21 S- 4936 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  LA51868  Mimulus brevipes Carl Epling; M. Epling 1925-5-2 sn Los Angeles Santa Monica Mountains, Griffith Park 335 Comment
  RSA624030  Mimulus brevipes Raymond J. Dobbs 1926-5-22 1241 Los Angeles Switzer's, San Gabriel Mountains. Comment
  JEPS10258  Mimulus cardinalis F. W. Peirson 1918-7-9 194 Los Angeles San Antonio Canyon San Gabriel Mts. 1981 Comment
  RSA420663  Mimulus cardinalis F. R. Fosberg 1931-5-2 S- 4737 Los Angeles Middle Ranch Canyon Santa Catalina Island 200 Comment
  SFV5498  Mimulus cardinalis W. A. Kelley Jun 1967 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  SFV3379  Mimulus cardinalis F. R. Rickson 1961-7-31 4 Los Angeles San Gabriel Mountains Buckhorn Camp. 200 yards into camp from entrance on Angeles Forest Highway. Comment
  SEINET3159649  Mimulus floribundus G. B. Grant 1904-6-16 790 Los Angeles Pasadena. Comment
  CATA728  Mimulus guttatus Mark L. Hoefs 1991-5-18 1240 Los Angeles Santa Catalina Island: Upper Middle Canyon, near Edison pump station 344 Comment
  RSA0055954  Mimulus guttatus Richard G. Swinney 2010-5-7 12609 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy, overpass along Haines Canyon stream channel/south fork of Big Tujunga Wash. 357 Comment
  RSA238211  Mimulus johnstonii Robert F. Thorne 1969-7-2 38279 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  UCR204814  Mimulus johnstonii R. G. Swinney 2005-8-22 8520 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, lower Holcomb Canyon 1354 Comment
  RSA0039732  Mimulus longiflorus Roxanne Smith 1991-5-12 26 Los Angeles Hills 0.6 mi. south-east of Golden Springs and DIamond Bar Blvd. Comment
  RSA749075  Mimulus pilosus R. G. Swinney 2005-8-11 8450 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  JEPS9863  Mimulus pilosus Frank W. Peirson 1921-7-19 2514 Los Angeles Cattle Canyon San Gabriel Mountains, San Gabriel River 792 Comment
  RSA678098  Minuartia douglasii S. G. Weller, A. K. Sakai 1995-5-29 913 Los Angeles Angeles National Forest, Liebre Mt. Comment
  UCD170138  Mirabilis jalapa R. G. Swinney 2009-8-19 11453 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, 50 m north of rental cabins. 366 Comment
  RSA0081142  Mirabilis laevis R. G. Swinney 2010-6-1 13125 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  UCR223081  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  CAS-BOT-BC434650  Mirabilis laevis var. crassifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8475 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  UC284789  Mirabilis laevis var. crassifolia P. A. Munz 1923-4-9 6645 Los Angeles San Clemente Island Comment
  UC7635  Mirabilis laevis var. crassifolia Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  UCR209105  Monardella australis R. G. Swinney 2008-6-18 9071 Los Angeles San Gabriel Mountains, south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek 2012 Comment
  UC1584902  Monardella australis subsp. cinerea Tim Ross, Steve Boyd 1991-7-24 5594 Los Angeles near Pacifico Mountain Road x Roundtop Truck Road intersection; Pacifico Mtn. USGS 7.5 quad., Grantite Mountain vicinity 1901 Comment
  SD237497  Monardella breweri R. G. Swinney 2008-6-4 8944 Los Angeles San Gabriel Mountains: Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center (Valyermo 7.5'Q) 1470 Comment
  UCSB32451  Monardella breweri subsp. lanceolata Miller, Brian 1960-7-11 Los Angeles Switzer's Inlet, San Gabriel Mountains 914 Comment
  SDSU7181  Monardella exilis D. F Howe 1947-5-5 1527 Los Angeles Highway between Palmdale and Little rock Antelope Valley, LA. co. Comment
  RSA703159  Monardella linoides subsp. erecta Scott D. White 2004-8-11 10706 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  SEINET5333385  Monardella saxicola L. Wheeler 1935-11-3 4065 Los Angeles Palmer Canyon, San Gabriel Mts. 518 Comment
  CAS-BOT-BC108994  Mucronea californica Geo. B. Grant 1904-5-14 6220 Los Angeles Play del Rey. Comment
  RSA702976  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  RSA729190  Muhlenbergia californica R. G. Swinney 1999-5-15 7172 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  SBBG118938  Muhlenbergia microsperma S. D. White with P. De Vries 2004-5-18 10404 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
  UC819055  Muhlenbergia microsperma Louis C. Wheeler 1932-8-9 1129 Los Angeles 2 mi sw Azusa 106 Comment
  UCR129654  Muhlenbergia richardsonis Victor Duran 1933-7-20 3522 Los Angeles San Gabriel Mtns., Buckhorn 1982 Comment
  RSA573743  Muilla maritima Timothy S. Ross 1992-7-17 6726 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  UCR273043  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC327739  Munzothamnus blairii Steven A. Junak 1996-9-28 SCI- 676 Los Angeles San Clemente Island. W side of island, in Box Canyon, ca 0.5 miles downstream from Triangulation Point Snapper 304 Comment
  RSA458026  Myriophyllum aquaticum Anstruther Davidson 1912-07 s.n. Los Angeles In ditch at Hynes. Comment
  LA33439  Nassella cernua Henry J. Thompson; 1959-5-31 2065 Los Angeles 182 Comment
  SEINET251649  Nassella cernua A. C. Sanders 2003-6-19 26967 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Graqnde Canyon, north of Hwy 126,Newhall Ranch (Val Verde 7.5' Q.) 366 Comment
  UCD87402  Nassella cernua A. A. Beetle 1942-4-24 3216 Los Angeles Rt. 6, 10 miles south of Palmsdale. Comment
  UCD87962  Nassella lepida Robert F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island, at Cherry Valley. Comment
  CATA1372  Navarretia atractyloides Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2494 Los Angeles Santa Catalina Island: Upper Bulrush Reservoir 292 Comment
  RSA524964  Navarretia atractyloides T. S. Ross, S. D. Boyd 1990-6-6 2818 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  LA52272  Navarretia hamata Harlan Lewis; 1940-4-3 1274 Los Angeles Santa Monica Mountains, 10 mi. N [W] of Malibu Beach 1 Comment
  RSA715161  Navarretia hamata A. C. Sanders 2003-5-22 26831 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  POM199719  Navarretia hamata subsp. hamata I. W. Clokey, B. C. Templeton 1929-07 4577 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  SBBG122011  Navarretia setiloba A. Parikh, N. Gale 2003-6-13 756 Los Angeles E of dirt track between Cruzan Mesa and Plum Cyn, 2 km W of Sierra Hwy, 1.9 km SW of Vazquez Cyn Rd 665 Comment
  RSA616268  Nemophila menziesii Scott D. White, Pam DeVries 1998-3-15 6496 Los Angeles Soledad Canyon Proposed quarry area N of Soledad Canyon road, S of I14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. Degraded shrublands on S facing slopes and canyons above Soledad Canyon. 579 Comment
  UC1069173  Nemophila menziesii A. D. Gifford 1935-3-27 515 Los Angeles 2 3/4 mi nne Sawmill Peak; Tejon Quad., nne of Sawmill Peak Comment
  UCR4141  Nemophila menziesii Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  RSA421379  Nemophila menziesii var. integrifolia J. Aug. Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA600077  Nemophila menziesii var. integrifolia Steve Boyd, Lauren Raz 1997-5-20 9791 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  SD215562  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-15 9588 Los Angeles San Gabriel Mountains, east side Elsmere Canyon near mouth. 456 Comment
  UCR265030  Nemophila pulchella var. fremontii Mitch Provance, Callen Huff 2009-4-28 10765 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
  UCR210433  Nerium oleander R. G. Swinney 2008-11-30 9879 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  SEINET10801005  Nicolletia occidentalis David B. Dunn 1947-4-16 Dunn 2937 Los Angeles Along power line 5 miles east of Palmdale. Comment
  RSA0116168  Nicotiana attenuata R. G. Swinney 2011-6-15 15209 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA729842  Nicotiana attenuata R. G. Swinney 1999-6-18 7335 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  CAS-BOT-BC231560  Nicotiana glauca Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7420 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 173 Comment
  SBBG70587  Nicotiana quadrivalvis R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  UC153580  Oenanthe sarmentosa LeRoy Abrams 1902-6 2526 Los Angeles Ballona creek near Mesmer; Ballona creek Comment
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  SFV2524  Oenothera deltoides subsp. cognata T. L. Kasbeer 1963-11-6 s. n. Los Angeles Mojave Desert Quartz Hill along 50th Street West at Avenue L, 9 miles southwest of Lancaster. 740 Comment
  UC184464  Oenothera deltoides subsp. deltoides A. D. E. Elmer July 1902 3810 Los Angeles Lancaster Comment
  RSA158225  Oenothera elata subsp. hirsutissima David P. Gregory 1961-8-10 479 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  RSA600445  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1931-6-3 S- 3 Los Angeles 1 mile west of Claremont. 366 Comment
  LA202430  Oenothera villosa subsp. strigosa Arthur C. Gibson; 2005-6-5 5072 Los Angeles Comment
  CATA462  Oligomeris linifolia Sara L. Crockett, Steve Junak 1997-3-27 605 Los Angeles Santa Catalina Island: N slope of Little Harbor, directly above beach; ca. 50 m upslope 42 Comment
  POM214687  Opuntia oricola F. R. Fosberg 1932-7-15 8614 Los Angeles San Pedro Hills. Comment
  POM295005  Opuntia vaseyi Lyman Benson 1906-8-23 9496 Los Angeles Pomona. Comment
  RSA0070492  Orobanchaceae Jean Pitzer McBurney 1932-03 s.n. Los Angeles San Antonio Canyon, San Gabriel Mts. 1219 Comment
  RSA747263  Orobanche R. G. Swinney 2005-8-17 8492 Los Angeles Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail. 1402 Comment
  UCR114175  Orobanche bulbosa A. C. Sanders, D. Malueg 1998-6-24 22071 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  RSA0072126  Orobanche cooperi Robert Gustafson, Christopher Davidson 1977-4-20 425 Los Angeles Fort Tejon Road, south of Littlerock about 1.5 miles east of the junction with 82nd St. 975 Comment
  RSA0103471  Orobanche fasciculata R. G. Swinney 2011-5-10 14650 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  RSA584905  Orobanche fasciculata Tim S. Ross, Steve D. Boyd 1992-7-5 6956 Los Angeles Red Mountain: steep fire-break ascending southward from the Ruby Clearwater Saddle (where the S end of Tule Ridge joins the NE side of Red Mtn) to the long E ridge of Red Mtn. 963 Comment
  RSA0066439  Orobanche fasciculata Louis C. Wheeler 1967-8-9 10435 Los Angeles San Gabriel Mountains: Saddle between Little Bear Creek and Devil's Canyon. 1981 Comment
  RSA0066497  Orobanche parishii subsp. parishii Robert C. Frampton 1946-6-22 s.n. Los Angeles Ganesha Park, Pomona. 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
  RSA402070  Orthocarpus purpurascens F. R. Fosberg 1931-5-21 S- 4938 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  RSA402090  Orthocarpus purpurascens M. Campbell s.n. Los Angeles L.A. Fields Comment
  RSA402068  Orthocarpus purpurascens var. purpurascens Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  RSA579154  Orthocarpus purpurascens var. purpurascens Tim S. Ross, Darin Banks 1994-4-12 7496 B Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon ; ca 520 m SSE of where Drinkwater Canyon joins S. Fr. Canyon. 537 Comment
  JEPS20202  Osmadenia tenella Harley P. Chandler 1897-5-11 Los Angeles Claremont 457 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
  UCR270685  Osmorhiza brachypoda R. G. Swinney 2011-8-17 15644 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  CATA3382  Osteospermum fruticosum Peter J. Dixon 2016-6-15 059 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 426 Comment
  POM353417  Oxalis albicans subsp. californica M. B. Dunkle 1932-1-31 s.n. Los Angeles Silver Canyon Trail, Santa Catalina Island. 874 Comment
  RSA263149  Oxalis albicans subsp. pilosa J. C. Roos 1937-9-2 520 Los Angeles Hills behind Redondo Beach. Comment
  RSA747071  Oxalis corniculata R. G. Swinney 2008-5-30 8883 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA591182  Oxalis corniculata Steven A. Junak 1985-5-14 SC 1 -56 Los Angeles San Clemente Island: Wilson Cove, along rd to pier. 30 Comment
  UCD110765  Oxalis corniculata R. R. Jeffries 1931-9-18 2265 Los Angeles Van Nuys. Comment
  UCD111024  Oxalis pes-caprae Geoffrey Levin 1975-1-17 456 Los Angeles waste ground near Bonita and College Ave., Claremont. Alluvial fan of Mt. San Antonia (San Gabriel Mountains.) Santa Ana River drainage area (Pacific Slope.) Comment
  RSA629689  Oxytheca parishii var. parishii Scott D. White, Dave Bramlet 1998-8-11 7050 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  LA200956  Panicum miliaceum Peter H. Raven; 1960-4-24 15125 Los Angeles 609 Comment
  RSA445549  Papaver californicum Louis C. Wheeler 1932-4-16 638 Los Angeles W side Santa Anita Canyon. 457 Comment
  CATA253  Papaver heterophyllum Mark L. Hoefs, A. Douglas Propst 1973-5-4 253 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  LA51802  Parietaria hespera var. hespera Carl Epling; March 1925 6449 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA608314  Parietaria hespera var. hespera Louis C. Wheeler 1930-5-17 42 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCR252749  Parthenocissus vitacea R. G. Swinney 2010-9-1 13643 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  CATA408  Paspalum dilatatum Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 545 Los Angeles Santa Catalina Island: Haypress Reservoir 457 Comment
  CATA436  Pectocarya linearis subsp. ferocula Sara L. Crockett, Mark Elvin 1997-3-17 574 Los Angeles Santa Catalina Island: Top of SE-trending ridge, overlooking road ca. 1.25 mies NE on Cape Canyon Road from jct. with Middle Ranch Road 381 Comment
  UC1870256  Pectocarya linearis subsp. ferocula LeRoy Gross 2003-3-7 756 Los Angeles Transverse Ranges; Verdugo Mountains region; Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 555 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
  OBI2907  Pectocarya penicillata Lewis S. Rose 1968-4-5 68015 Los Angeles Acton, Mojave Desert 823 Comment
  RSA709632  Pectocarya penicillata LeRoy Gross 2005-4-28 2117 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  SFV17887  Pectocarya penicillata J. D. Dilley 1998-3-29 251 Los Angeles Mojave Desert Just north of the foothills of the San Gabriel Mountains and just east of Palmdale. Junction of Avenue T and Little Rock Creek, across from quarry. 900 Comment
  RSA549538  Pectocarya penicillata T. S. Ross 1992-4-27 6242 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  UCR194046  Pectocarya setosa R. G. Swinney 1999-5-22 7188 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  LA51893  Pedicularis densiflora Harlan Lewis; 1940-2-24 1083 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 609 Comment
  RSA123606  Pedicularis densiflora E. F. Sprague 1957-5-21 1230 Los Angeles Cobal canyon, behind Padua Hills, north slope of fire road at top of ridge. 305 Comment
  SBBG31296  Pelargonium X hortorum R. F. Thorne 1966-6-1 36477 Los Angeles rd to Pebbly Beach 30 Comment
  UCR261335  Pellaea andromedifolia R. G. Swinney 2010-3-13 11873 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA686740  Pellaea andromedifolia M. V. Hood 1945-5-1 2240 Los Angeles Tapia Park area 762 Comment
  UC812403  Pellaea mucronata var. mucronata F. R. Fosberg 1931-3-27 R 82 Los Angeles near Avalon (Hamilton Canyon); Santa catalina Is. 40 Comment
  SFV17355  Penstemon X parishii P. Wilson 1998-4-27 3520 dup. Los Angeles Santa Monica Mountains Mulholland Road, mile marker 24.57. 400 Comment
  NY583835  Penstemon centranthifolius A. M. Ottley 1920-5-3 564 Los Angeles Big Tujunga Wash 335.3 Comment
  RSA412443A  Penstemon centranthifolius Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  SFV18225  Penstemon centranthifolius M. Danielczyk 2001-5-16 36 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  HSC24304  Penstemon centranthifolius Nels Rinden 1971-5-2 33 Los Angeles 6 mi. NW of Phelan on Hwy. 138 in Mojave Desert 1280 Comment
  JEPS11574  Penstemon centranthifolius Frank W. Peirson 1918-5-26 200 Los Angeles Henniger Flats San Gabriel Mountains, Henniger Flats 868 Comment
  RSA0073236  Penstemon centranthifolius Bonnie C. Templeton, H. J. Andrews 1938-6-22 1686 Los Angeles Shoemaker Canyon. Comment
  UCR270212  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-7 15439 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
  RSA650933  Penstemon grinnellii subsp. grinnellii R. J. Tinkler 1969-6-28 s.n. Los Angeles Angeles Crest Highway. Comment
  UCR96141  Penstemon heterophyllus B. G. Pitzer 1996-4-21 2713 Los Angeles Western Mojave Desert, Antelope Valley. north side of State Hwy 138 (= Ave. 'D'), c. 2 mi. west of Country Store, at town of Neenach (c. 30 mi. west of Hwy I-14). 915 Comment
  LA51903  Penstemon heterophyllus var. australis Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  POM17876  Penstemon heterophyllus var. australis Philip A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mts. 671 Comment
  UC55371  Penstemon heterophyllus var. australis J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  UC887066  Penstemon heterophyllus var. heterophyllus Ira W. Clokey, B. Templeton May, 1929 4522 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 500 Comment
  RSA0098618  Penstemon labrosus R. G. Swinney 2011-9-27 15717 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA660435  Penstemon labrosus Orlando Mistretta 1992-6-23 604 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UCR47463  Penstemon labrosus David Charlton 1986-6-15 0291 Los Angeles San Gabriel Mtns., Lightning Ridge, at intersection of Forest Road 3N06 and 4 mi NW of San Bernardino Co. line 2256 Comment
  RSA495613  Penstemon labrosus S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 323 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  PASA1030  Penstemon spectabilis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA649982  Penstemon spectabilis var. spectabilis T. Sargent 1959-5-18 s.n. Los Angeles Rio Hondo Wash N. of [Hwy] 99. Comment
  SEINET13276836 Image available Pentagramma triangularis R. G. Swinney 2011-1 14189 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  LA94206  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-16 1775 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  UC535317  Pentagramma triangularis subsp. triangularis Ira W. Clokey, B. Templeton Apr. 1929 4444 Los Angeles Mandeville Canyon; Santa Monica Mts 425 Comment
  OBI19651  Peritoma arborea Kell Jensen 1966-4-22 34 Los Angeles Escondido Canyon on Escondido cyn rd W of hwy 14 884 Comment
  SBBG118152  Peritoma arborea F. R. Fosberg 1931-3-26 4398 Los Angeles Hamilton Cyn (cf. var. insularis) 5 Comment
  SFV15339  Peritoma arborea var. arborea J. C. Dittes, P. Dittes 1990-3-17 54 Los Angeles Leo Carrillo State Beach. Northernmost parking lot. 6 Comment
  RSA471842  Perityle emoryi C. Epling 1931-5-12 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mtns. Comment
  UC1587648  Persea americana Tim Ross 1991-4-21 4565 Los Angeles head of Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (Skyline Drive) 353 Comment
  CAS-BOT-BC419010  Persicaria lapathifolia LeRoy Abrams 1904-9-2 4182 Los Angeles Los Angeles River, Los Angeles Comment
  CAS-BOT-BC167753  Petalonyx thurberi A. D. E. Elmer 1902-6-1 3614 Los Angeles Palmdale Comment
  UC1922233  Phacelia brachyloba Valerie L. Soza, Laura Moore 2000-5-10 863 Los Angeles Transverse Ranges; Verdugo Mountains region; 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''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  UCR252896  Phacelia brachyloba R. G. Swinney 2010-5-29 13401 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA758072  Phacelia brachyloba D. E. Bramlet, Jennifer Pareti 2008-4-14 4200 Los Angeles [Find this: 9 ct.] Comment
  LA38556  Phacelia cicutaria var. hispida Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA756876  Phacelia cryptantha Orlando Mistretta, Christine Mistretta 2008-4-4 2322 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  RSA725223  Phacelia curvipes Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -29 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
  RSA590662  Phacelia curvipes Tim S. Ross 1990-5-31 2744 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  CHSC8298  Phacelia distans Edward L. Smith 1958-2-18 313 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 609 Comment
  SD241055  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd, on west side of San Gaabraiel River channel (Azusa 7.5;Q) 168 Comment
  UCR125389  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 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
  UCR263061  Phacelia distans Mitch Provance 2008-4-14 408- 06 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
  SBBG41187  Phacelia distans J. P. Broughton 1971-3-24 1345 Los Angeles ca. 1 mi S of Mulholland Hwy on Malibu Cyn Rd Comment
  UCR56322  Phacelia douglasii S. J. Myers, Ed LaRue 1989-3-20 s.n. Los Angeles Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct, San Andreas Rift Zone bisects the site 884 Comment
  UC1563055  Phacelia fremontii Steve Boyd and Orlando Mistretta 1986-3-31 1555 Los Angeles Hwy 138 4 mi e jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert Comment
  UCD120468  Phacelia fremontii Geoffrey Levin 1975-5-17 503 Los Angeles 1.5 mi. east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  RSA421523  Phacelia fremontii Anstruther Davidson 1923-6-1 s.n. Los Angeles [Unspecified] Comment
  SBBG13562  Phacelia grandiflora P. H. Raven 1962-5-23 17859 Los Angeles near Bird Park, Memorial Cyn, Avalon Comment
  CDA40371  Phacelia grandiflora T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  UCD120446  Phacelia grandiflora Garm Bell 1997-5-9 39 Los Angeles Mulholland Highway, 1 mile east of Malibu Canyon Road. Comment
  UCR271222  Phacelia imbricata subsp. imbricata R. G. Swinney 2011-6-1 14964 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1073 Comment
  UC951102  Phacelia imbricata subsp. patula LeRoy Abrams 1902-6-29 2591 Los Angeles Mt. Wilson Comment
  RSA747420  Phacelia lemmonii R. G. Swinney 2008-5-12 8847 Los Angeles east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA191161  Phacelia longipes Robert F. Thorne 1967-7-19 37199 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  UCR193475  Phacelia longipes Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, upslope of Ganymede Dr., east of Division St., Mt. Washington, Los Angeles 194 Comment
  RSA0076147  Phacelia longipes LeRoy Gross 1999-6-5 161 Los Angeles San Gabriel Mountains. Along Rattlesnake trail, just above (east) of the Burkhart Trail along upper Little Rock Creek. 1707 Comment
  JEPS1180  Phacelia minor C. E. Hutchinson 1902-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  RSA0020298  Phacelia minor Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5092 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR261318  Phacelia minor R. G. Swinney 2010-3-13 11891 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  SJSU11222  Phacelia minor H. R. Garrett 1962-4-15 Los Angeles upper terminus of Shady Cove Dr, Burbank, Los Angeles 548 Comment
  RSA74508  Phacelia mohavensis F. W. Peirson 1921-6-15 962 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  UCR271849  Phacelia ramosissima R. G. Swinney 2011-5-31 14896 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR60508  Phacelia ramosissima R. F. Thorne 1973-5-11 43505 Los Angeles San Gabriel Mtns/ Mojave Desert, Ridge north of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA226122  Phacelia ramosissima var. latifolia Robert F. Thorne, C. W. Tilforth 1971-6-17 39889 Los Angeles 0.7 mile W of Soledad Station, Soledad Canyon, N slope of San Gabriel Mountains; wet, sandy flat along Santa Clara River. 610 Comment
  RSA427665  Phacelia ramosissima var. latifolia Bonnie C. Templeton 1939-5-29 s.n. Los Angeles Mint Canyon above Sleepy Valley. Comment
  SBBG65054  Phacelia viscida M. N. Ackley -May-1927 401 Los Angeles Mulholland Drive 457 Comment
  CAS-BOT-BC259059  Phalaris lemmonii Steven A. Junak 1997-5-20 SCI- 880 Los Angeles San Clemente Island: SW side of San Clemente Island Ridge Road, ca. 0.73 miles SSE of Thirst Peak, in extreme upper reaches of Cave Canyon 539 Comment
  UC50719  Phalaris lemmonii L. A. Greata Los Angeles The Palms Comment
  RSA251425  Phalaris minor R. F. Thorne 1966-4-16 36062 Los Angeles San Clemente Island, below Lemon Tank near dump, S of Nanny, NE side of Island. 183 Comment
  RSA459252  Pholistoma auritum I. W. Clokey 1929-4-29 s.n. Los Angeles Manderville [Mandeville] Canyon. 200 Comment
  SBBG95478  Pholistoma auritum M. B. Dunkle 1929-4-7 2089 Los Angeles White's Landing Comment
  CATA3311  Pholistoma auritum var. auritum Amy Catalano, Jen Dreizehn 2017-3-23 029 Los Angeles Santa Catalina Island: Near drainage bottom of Swains Canyon, directly west of ""duck head"" in Toyon Rd, north facing slope 96 Comment
  LA103332  Pholistoma auritum var. auritum Michael Neuman; 1984-3-17 30 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  UC1426002  Pholistoma membranaceum Robert F. Thorne and C. W. Tilforth 1973-4-20 43005 Los Angeles 1 mi. n. Bob's Gap (3.2 mi. s. of Llano, n. slope of Holcomb Ridge); Mojave Desert slope, San Gabriel Mts., Holcomb Ridge 1143 Comment
  UCD120942  Pholistoma membranaceum Daryl Koutnik; Vickie Dawes 1978-4-6 289 Los Angeles State Highway 18 just east of Valermo turnoff. 944 Comment
  RSA248847  Pholistoma racemosum Robert F. Thorne 1973-4-11 42868 Los Angeles Middle part of Norton Canyon. San Clemente Island. 274 Comment
  RSA459309  Pholistoma racemosum M. B. Dunkle 1928-4-10 1824 Los Angeles Johnson s Canyon; Santa Catalina Island. Comment
  RSA459311  Pholistoma racemosum M. B. Dunkle 1929-3-3 2053 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  RSA459316  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles Mosquito Ridge, San Clemente Island Comment
  RSA628625  Pholistoma racemosum Steven A. Junak 1997-3-11 sc 755 Los Angeles San Clemente Island: Extreme SE end of Island, in W fork of small canyon SSE of Triangulation Station Guds ca. 0.4 miles SSE of Guds on E side of Sibara Ridge 91 Comment
  CHSC3735  Phoradendron Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp 762 Comment
  CAS-BOT-BC134966  Phoradendron bolleanum F. W. Peirson 1919-5-10 4682 Los Angeles Arrasler, San Gabirel Mts. 853 Comment
  RSA592821  Phoradendron bolleanum var. densum Steve D. Boyd 1996-4-24 8661 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  UCR87438  Phoradendron densum R. G. Swinney 1994-6-12 2942 Los Angeles North Slope of Eastern San Gabriel Mtns, Pinon Hills, near entrance to Jubilee Scout Ranch, 2 mi south of Hwy 138 and just west of the San Bernardino Co. line, c. 200 m west of Boneyard Canyon 1341 Comment
  SBBG35182  Phoradendron leucarpum subsp. tomentosum J. M. Tucker 1946-10-18 1475 Los Angeles near Hwy 99, 18 mi N of Castaic jct Comment
  POM354337  Phoradendron villosum Albert J. Perkins 1913-1-25 s.n. Los Angeles Mount Wilson, Sierra Madre. Comment
  RSA578800  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  RSA384013  Phyllospadix torreyi George R. Johnston 1944-7-21 s.n. Los Angeles Palos Verdes - flat rock Pt Comment
  RSA683964  Phyllospadix torreyi E. Yale Dawson 1948-11-19 5578 Los Angeles Palos Verdes Headland. Comment
  UC104081  Physalis philadelphica Rev. J. C. Nevin Los Angeles Los Angeles Comment
  POM229705  Physalis philadelphica J. D. Laudermilk 1937-10-13 s.n. Los Angeles Baseline Rd. ad Forbes Ave., N. of Claremont. Comment
  POM305697  Physalis philadelphica Henry J. Ramsey, Henry J. Ramsey 1937-8-29 969 Los Angeles Altadena. 396 Comment
  LA201731  Pickeringia montana subsp. montana Arthur C. Gibson; 2001-5-22 4821 Los Angeles Santa Monica Mountains, Sadie Road off Saddle Peak Road Comment
  UCR172739  Pinus halepensis Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  RSA169026  Pinus jeffreyi Mark Parratt 1964-2-6 603 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  SBBG98464  Piptatherum miliaceum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5049 Los Angeles ca. 650 ft SE of the air terminal, new airfield, N end of island 64 Comment
  UCD89894  Piptatherum miliaceum F. M. Reed Date unknown s.n. Los Angeles Location unknown. 243 Comment
Read comments
Dec 7 2014
  CAS-BOT-BC135934  Pittosporum undulatum Tim Ross 1993-4-23 6931 Los Angeles Santa Catalina Island - SW part of the island in Middle Canyon; riparian strip ca 30 m SE of Eagles' Nest Lodge; Collected near Eagles Nest Lodge, but plants of various sizes seen naturalized along the riparian area between here and Middle Ranch 144 Comment
  CHSC98050  Pittosporum undulatum LeRoy Gross 2003-2-22 748 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; a short distance up mouth of Brand Canyon, south next of Brand Canyon Cemetery, north of the Debris Basin. 287 Comment
  UCR126733  Plagiobothrys arizonicus A. C. Sanders, Andy Thomson 2003-4-15 26003 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence 396 Comment
  RSA0087919  Plagiobothrys canescens R. G. Swinney 2010-3-14 11904 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  RSA592839  Plagiobothrys canescens L. C. Wheeler 1967-4-30 9204 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  POM47627  Plantago erecta L. R. Abrams 1899-03 344 Los Angeles Ballona Harbor Comment
  RSA402020A  Plantago erecta Frances L. Cramer 1934-3-15 s.n. Los Angeles Santa Susana Pass. Comment
  RSA68968  Plantago major F. W. Peirson 462 Los Angeles Weed AT 1085 New York Drive, Altadena. Comment
  JEPS3453  Plantago patagonica Alice M. Ottley 1920-5-3 591 Los Angeles Little Tujunga Wash Comment
  SEINET11448297  Platanthera dilatata var. leucostachys Joseph Andorfer Ewan, Ewan, Nesta 1936-1 Los Angeles Lilly Spring, Mount Hawkins Comment
  SEINET3818341 Image available Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mountains; Columbine Spring north slope of pine Mountain Ridge and flowing into Prarrie Fork 0.3 miles south of Camp Lupine 2195 Comment
  CAS-BOT-BC93191  Platanus racemosa Hasse; A. Davidson M. D. 1906-6-4 1486 Los Angeles Big Rock Creek. Comment
  UCR61061  Platanus racemosa R. G. Swinney 1989-11-24 1499 Los Angeles San Gabriel Mtns, San Gabriel Mountains, vicinity Glendora Wilderness Park, Big Dalton Cyn area. NE corner of Sierra Madre Ave. and Glendora Mountain Road Comment
  CAS-BOT-BC91662  Platystemon californicus Geo. B. Grant 1901-4-1 1008 Los Angeles Garvanza. Comment
  CAS-BOT-BC91667  Platystemon californicus C. F. Baker 1909-5-15 5328 Los Angeles Claremont. Comment
  CAS-BOT-BC91673  Platystemon californicus C. F. Baker 1904-5-2 4731 Los Angeles Hills near Claremont. Comment
  SBBG123196  Plecostachys serpyllifolia R. Riefner 2009-6-9 09 -113 Los Angeles ca. 0.2 mi W of La Piedra State Beach; Malibu 6 Comment
  CDA34950  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -113 Los Angeles Malibu; ca. 0.25 mi west of La Piedra State Beach. Comment
  CAS-BOT-BC326614  Pluchea sericea Huron H. Smith 1912-6-21 5121 Los Angeles South end Santa Catalina Island 518 Comment
  UCD92201  Poa R. Tofsrud 1949-4-1 s.n. Los Angeles Highway 138, between Pearblossom and Cajon. Comment
  SEINET10861533  Poa Hermann E. Hasse Hasse s.n. Los Angeles 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
  RSA0105983  Poa pratensis R. G. Swinney 2011-7-8 15474 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA590706  Poa pratensis Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2962 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  SEINET10822307  Poa scabrella F. R. Fosberg 1931-3-20 Fosberg 54310 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. S. vrall. Upper Sonoran Zone. 20 Comment
  RSA702557  Poa secunda Scott D. White 2004-5-5 10299 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UCR180357  Poa secunda Scott D. White, Pam Devries 2006-5-9 11395 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
  UCD91683  Poa secunda subsp. secunda P. B. Kennedy 1928-3-28 s.n. Los Angeles Santa Catalina Island. Canyon by golf-links. Comment
  UCR213576  Polygonum aviculare A. C. Sanders, Dan S. Cooper 2010-4-30 38161 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA187865  Polygonum aviculare subsp. aviculare Robert F. Thorne 1966-4-29 36280 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 198 Comment
  RSA533912  Polygonum aviculare subsp. aviculare Tim S. Ross, Orlando Mistretta 1991-5-18 5183 Los Angeles San Clemente Island: Twin Dams; shallow pond at the westerly of the two earthen dams, and mesic inlet draw 474 Comment
  RSA557819  Polygonum lapathifolium D. Charlton 1991-7-30 5539 Los Angeles Rancho Santa Clarita, Bouquet Canyon Rd, north of Jct. with Soledad Canyon Rd. 488 Comment
  UCR108444  Polygonum punctatum L. C. Wheeler 1946-9-22 6371 Los Angeles Rosemead Blvd. and San Gabriel Blvd, just north of intersection 62 Comment
  RSA613275  Polygonum ramosissimum Louis C. Wheeler 1976-3-20 s.n. Los Angeles Long Beach Harbor: Windham Street at Embarcadero Street. Comment
  LA94061  Polypodium californicum Lawrence L. Kiefer; 1966-3-20 1762 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 2 mi from Topanga on Old Topanga Rd. 274 Comment
  POM12518  Polypodium californicum M. L. Kendall 1921-3-23 120 Los Angeles Lone Hill, San Dimas Comment
  UCSB62388  Polypodium californicum Kendall, M. 1921-2-13 Los Angeles Palmer's Canon Comment
  UCSB62441  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills Comment
  UCSB62468  Polypodium californicum Kendall, M. 1921-3-23 Los Angeles Lone Hill, San Dimas Comment
  POM12210  Polypodium californicum M. L. Kendall 1921-2-11 56 Los Angeles Fish Canyon. Comment
  SFV14642  Polypodium californicum S. Jonsson 1989-3-10 s. n. Los Angeles Santa Monica Mountains Devil's Canyon of Topanga Canyon Road development. 0.25 miles upstream of dam. Comment
  UCSB62446  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone, San Dimas Comment
  UCSB62470  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62490  Polypodium californicum Kiefer, Lawrence 1966-6-5 Los Angeles San Gabriel Mtns., Glendora Ridge Rd., ca. 1mi E of Peacock Saddle 1158 Comment
  SBBG31291  Polypogon interruptus R. F. Thorne with P. C. Everett 1965-6-24 35043 Los Angeles Shark Harbor, W side of island 7 Comment
  SD69628  Polypogon monspeliensis Robert F. Thorne, P. C. Everett 1965-5-11 34550 Los Angeles Salt flat behind N beach at Little Harbor; Santa Catalina Island 2 Comment
  UC1109376  Polypogon monspeliensis Peter H. Raven 1962-4-9 17127 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 60 Comment
  RSA395490  Polypogon viridis Stone 1936-4-15 s.n. Los Angeles Inglewood. Comment
  RSA755580  Polypogon viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR190274  Polystichum imbricans R. G. Swinney 1998-8-1 6618 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  POM806  Polystichum imbricans subsp. imbricans C. F. Baker 1903-8-2 3674 Los Angeles San Antonio Canyon, Claremont. Comment
  SBBG14832  Polystichum scopulinum L. L. Kiefer 1963-1-1 358 Los Angeles 8 mi E of Hwy 39 intersection on Hwy 2 2133 Comment
  RSA589186  Populus fremontii Tim S. Ross 1991-4-28 4739 Los Angeles Moody Spring ca. 4 miles NNE of Black Butte on the Mojave Desert. 863 Comment
  RSA611540  Potamogeton foliosus var. foliosus L. C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  CAS-BOT-BC453946  Potamogeton pectinatus Peter H. Raven; Henry J. Thompson 1959-10-18 14672 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mouth of Malibu Creek on north arm of Malibu Lake 220 Comment
  RSA11930  Potentilla glandulosa Fay A. MacFadden 1933-6-15 11072 Los Angeles Verdugo Mountains: La Tuna Canyon one mile beyond Belmont Co. Club. Comment
  RSA228990  Potentilla glandulosa subsp. ewanii Robert F. Thorne 1971-8-25 41316 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  UCR99436  Potentilla gracilis R. G. Swinney 1995-9-4 4498 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  RSA233346  Potentilla gracilis var. fastigiata Robert F. Thorne, M. Z. Thorne 1969-7-10 38406 Los Angeles Angeles National Forest: near Lodgepole Picnic ground, 1.5 miles SE of Dawson Saddle along Angeles Crest Highway. 2317 Comment
  RSA662674  Prunella vulgaris subsp. lanceolata LeRoy Gross 2001-11-17 456 Los Angeles Just below trail From Three Points to Twin Peaks 1921 Comment
  RSA9739  Prunus fasciculata var. fasciculata Louis C. Wheeler 1932-4-10 609 Los Angeles San Gabriel Mts., 3 mi. S of Vincent. 1067 Comment
  RSA600008  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-5-28 9849 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
  UC1128425  Prunus ilicifolia F. H. Raymond 1930-1-28 34 Los Angeles Escondido Pass 487 Comment
  RSA695390  Prunus ilicifolia subsp. ilicifolia A. C. Sanders, Mark A. Elvin 2002-6-19 25187 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long Cyn. 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 335 Comment
  CAS-BOT-BC154569  Prunus ilicifolia subsp. lyonii Edgar A. Mearns 1894-6-25 4063 Los Angeles San Clemente Island Comment
  UC454994  Prunus ilicifolia subsp. lyonii I. J. Condit 1908-6-29 Los Angeles Santa Catalina Island Comment
  RSA251408  Prunus lyonii Robert F. Thorne 1966-4-16 36075 Los Angeles San Clemente Island, canyon below Lemon Tank near dump, south of Nanny, northeast side of island. 183 Comment
  SBBG42195  Pseudognaphalium biolettii M. B. Dunkle 1939-4-4 7250 Los Angeles Chenetti Cyn Comment
  RSA91750  Pseudognaphalium biolettii F. W. Peirson 1919-1-26 304 Los Angeles Rubio Canyon, south base of San Gabriel Mt. 534 Comment
  UC1595459  Pseudognaphalium californicum Tim Ross 1992-4-27 6238 Los Angeles sw of RSA grounds (s side of Indian Mesa Hill, area bulldozed in November 1992 for expansion of the Claremont School of Theology, Ontario USGS 7.5 ft quadrangle); Claremont, Indian Mesa Hill 393 Comment
  UCR259259  Pseudognaphalium luteoalbum R. G. Swinney 2010-9-9 13745 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
  POM120009  Pseudotsuga macrocarpa Marcus E. Jones 1883-11-25 s.n. Los Angeles Pasadena. Comment
  RSA384629  Pseudotsuga macrocarpa L. E. Hoffman 1932-3-14 s.n. Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  UCR95553  Psoralea macrostachya Steve Boyd, Valerie Soza, Orlando Mistretta 1996-6-12 8834 Los Angeles Liebre Mtns, Castaic Creek drainage upstream from confluence of Fish Canyon. 610 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
  SFV51  Pteridium aquilinum var. pubescens F. R. Rickson 1961-7-31 3 Los Angeles San Gabriel Mountains Buckhorn Camp. 2287 Comment
  RSA250556  Pterospora andromedea R. F. Thorne 1967-10-3 37298 Los Angeles Mt. Baden-Powell: N slope 2439 Comment
  RSA591914  Pterostegia drymarioides Louis C. Wheeler 1967-5-2 9263 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UCR259573  Pterostegia drymarioides R. G. Swinney 2010-4-1 12141 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA533980  Pterostegia drymarioides Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5192 Los Angeles San Clemente Island, upper Twin Dams Canyon 434 Comment
  UC284787  Pterostegia drymarioides P. A. Munz 1923-4-8 6601 Los Angeles at Wilson's Cove San Clemente Isl. Comment
  UCR255772  Purshia glandulosa R. G. Swinney 2010-5-12 12704 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  RSA86647  Purshia tridentata var. glandulosa F. W. Peirson 1926-4-27 6668 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  UC1922336  Pyrus communis Gary Kovnat with LeRoy Gross 2004-4-25 51 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UC440371  Quercus agrifolia Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  SEINET6091907  Quercus agrifolia Unknown 1943-11-21 974 Los Angeles Mint Canyon. Roadside east of Ranger Station. Comment
  SFV20801  Quercus berberidifolia L. Gross 2000-11-4 320 Los Angeles Verdugo Mountains Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCR213333  Quercus berberidifolia Justin M. Wood 2009-4-22 521 Los Angeles San Gabriel Mountains, city of San Dimas, Sycamore Canyon, Falcon Ridge Ranch 457 Comment
  UCR230266  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 22 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  UC1135391  Quercus chrysolepis G. E. Sindel 1935-1-7 116 Los Angeles 4 mi se Quail Lake; Angeles National Forest, Tejon Quad. 975 Comment
  SD244717  Quercus dumosa David Keil 1986-9-27 19735 2 Los Angeles Along I-5, just south of Hungry Valley Road exit, roadside pullout 914 Comment
  UC1135533  Quercus dumosa F. H. Raymond 1930-1-13 24 Los Angeles Head of Corral Canyon Calabasas Quad. 457 Comment
  RSA604320  Quercus durata var. gabrielensis Louis C. Wheeler 1936-1-19 4072 Los Angeles South slope San Gabriel Mountains, just above Pottinger Sanitarium. 305 Comment
  RSA733153  Quercus durata var. gabrielensis Susan Grose, L. Braccio, L. Gross 2007-11-11 190 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  RSA754110  Quercus durata var. gabrielensis Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1856 Los Angeles San Gabriel River Watershed; Webb Canyon Road (GPS represents the northern most point for a population that extends 1/4 m south) 436 Comment
  RSA476782  Quercus engelmannii F. R. Fosberg 1931-1-7 7105 Los Angeles Sierra Madre. 300 Comment
  RSA0068081  Quercus john-tuckeri R. G. Swinney 2010-5-19 12842 Los Angeles 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
  UCSB28138  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge; West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  UCSB34818  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  RSA0040206  Quercus kelloggii Orlando Mistretta 1992-5-16 2 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  UC1211164  Quercus pacifica Huron H. Smith 1912-7-2 5171 Los Angeles White's Beach, Black Jack Mt. Santa Catalina Island 121 Comment
  SBBG43934  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UC5667  Quercus tomentella Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  RSA585428  Quercus wislizeni var. frutescens Tim S. Ross 1990-5-31 2722 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UC1135918  Quercus wislizeni var. frutescens A. Lewis Feb 1934 256 Los Angeles Head of San Francisquito Canyon Angeles National Forest, Elizabeth Lake Quad. 1127 Comment
  RSA631383  Rafinesquia californica Valerie L. Soza, LeRoy Gross 1999-5-11 467 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, between Morgan and Wildwood Canyons, above Ferguson Motorway. 670 Comment
  UCR153566  Rafinesquia californica A. C. Sanders 2005-5-11 30181 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  SEINET3836579 Image available Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles San Dimas, Puddingstone Canyon 305 Comment
  UC54698  Ranunculus hebecarpus L. A. Greata Mar 1903 304 Los Angeles Garvanza Comment
  SEINET10924124  Raphanus sativus Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2520 Los Angeles City of Pasadena. How's Market, 3035 Huntington Drive. Comment
  CLARK-A1528-3915  Rhamnus californica Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA764416  Rhamnus californica subsp. californica Justin M. Wood 2009-8-18 1251 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UC1584065  Rhamnus californica subsp. californica Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4028 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunja Rang 1524 Comment
  UC1584931  Rhamnus californica subsp. californica Tim Ross and Steve Boyd 1991-7-24 5656 Los Angeles Granite Mountain San Gabriel Mountain Range, Chilao Flat U.S.G.S. 7.5' Quad. 1975 Comment
  CAS-BOT-BC59941  Rhamnus crocea Mary H. Ward; Shirley W. Campbell 1970-4-2 LASCA- 888 Los Angeles Along lower reach of Arroyo Seco, southwestern Pasadena. Comment
  LA82206  Rhamnus crocea O. H. Kappler; 1943-5-2 398 Los Angeles 45 Comment
  RSA14668  Rhamnus crocea Fay A. MacFadden 1930-04 1202 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA0056327  Rhamnus crocea Elwood Fordham s.n. Los Angeles Topanga, Summit Road 1/4 mile from Topanga Highway. 304 Comment
  RSA670956  Rhamnus ilicifolia Joseph M. Keefe 2001-3-19 31188 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  RSA720233  Rhamnus ilicifolia LeRoy Gross 2007-4-21 2642 Los Angeles North side of the range; Engleheard Canyon. Pass or up canyon from Camp Max Straus at the end of Shirly Jean Street 416 Comment
  RSA7839  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles On the Newhall Grade, just north of point where the Los Angeles Aqueduct crosses the highway. Comment
  UCSB4041  Rhamnus ilicifolia Kamb, Peter 1948-2-14 Los Angeles Upper Sonoran Zone. Little Santa Anita Canyon, San Gabriel Mts 396 Comment
  RSA3684  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island, 100 yards SE of summit of Equestrian Trail, back of Avalon 305 Comment
  UC1594394  Rhamnus pirifolia Tim Ross and Elizabeth Kellogg 1992-4-11 6108 Los Angeles West Fork of China Canyon (147 degrees sse from 1583'BM, 1035m distant) San Clemente Island 333 Comment
  UC303597  Rhamnus pirifolia G. B. Grant 1900-1 Los Angeles Santa Catalina Island Comment
  UC625009  Rhamnus pirifolia F. R. Fosberg 1931-3-18 S 4238 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  RSA332043  Rhamnus tomentella subsp. cuspidata Wayne E. Sawyer 1981-7-10 89 Los Angeles Angeles National Forest: Hwy 2 between Dawson Saddle and junction of Highway 39, 1.6 mile from Dawson Saddle. 2302 Comment
  UC303599  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prairie Fork of San Gabriel River San Gabriel River 1981 Comment
  SD253352  Rhus aromatica R. G. Swinney 2011-5-31 14924 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek (Chilao Flat 7.5'Q) 1096 Comment
  LA33973  Rhus integrifolia Peter H. Raven; 1959-3-8 13833 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  UCR108200  Rhus integrifolia Jeanne Gural, V. Soza 1997-3-26 16 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. & Foothill Blvd. SW of pHake Lake on lower ele., western portion of the field station. 412 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
  POM137315  Rhus ovata C. F. Baker 1903-4-2 4147 Los Angeles Hills near Monrovia Comment
  RSA0083301  Rhus ovata R. G. Swinney 2010-5-25 12961 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA592826  Rhus ovata Steve Boyd 1996-4-24 8656 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  SFV16683  Rhus ovata P. Wilson, J. M. Albert 1996-6-12 3424 Los Angeles San Gabriel Mountains Off Highway 2 and mile marker 29.13. 823 Comment
  UC138092  Rhus ovata C. F. Baker 1903-4-3 4147 Los Angeles hills near Monrovia; Pacific Coast Comment
  RSA764411  Rhus trilobata Justin M. Wood 2009-8-18 1256 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA775130  Ribes amarum Orlando Mistretta, Christine Mistretta 2010-6-23 5347 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  RSA612176  Ribes aureum var. gracillimum Ma. Elena Siqueiros 1997-3-8 4346 Los Angeles NW corner of Mills Ave, and Foothill Blvd, Claremont, West of main road on foothill entrance, jct of two fire roads, south of old infirmary. 412 Comment
  RSA669712  Ribes aureum var. gracillimum LeRoy Gross 2002-2-23 479 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  RSA669292  Ribes californicum var. hesperium LeRoy Gross, Naomi S. Fraga 2002-5-10 666 Los Angeles Upper Monroe Road, from Camp Oak Grove to Glendora Mountain Road. 579 Comment
  UCSB38061  Ribes californicum var. hesperium Roos, J. 1966-2-4 Los Angeles Claremont Comment
  UC212413  Ribes cereum I. Johnston 1917-7-4 1419 Los Angeles summit Baldy 3048 Comment
  UC2026410  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles SAN GABRIEL MOUNTAINS: San Dimas Canyon. Comment
  CAS-BOT-BC173430  Ribes malvaceum Lewis S. Rose 1969-12-30 69118 Los Angeles Franklin Canyon, Santa Monica Mountains 152 Comment
  CAS-BOT-BC219177  Ribes nevadense George B. Grant; Walter Wheeler 1904-5-17 1125 Los Angeles Mount Wilson 1828 Comment
  RSA0064069  Ribes nevadense R. G. Swinney 2010-10-13 14024 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0106823  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA764926  Ribes nevadense Doris Bowers 1957-4-28 326 Los Angeles Camp LaVerne, Barton Flats 2134 Comment
  UCR95527  Ribes quercetorum Steve Boyd 1996-4-25 8679 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  OBI36776  Ribes roezlii David J. Keil 1980-3-28 13738 Los Angeles Lower Shake campground near Lake Hughes 1311 Comment
  RSA476241  Ribes roezlii E. Crow 1929-1-13 147 Los Angeles San Dimas Canyon. Comment
  RSA476246  Ribes roezlii Bonnie C. Templeton 1932-5-31 5058 Los Angeles Camp No. 1, Big Pines Recreation Camp, San Gabriel Mountains 1982 Comment
  UCR276730  Ribes roezlii R. G. Swinney 2010-9-21 13852 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  CDA989  Ribes speciosum D. G. Kelch 1991-3-24 1341 Los Angeles Foothills of Santa Monica Mountains North of Hollywood. Comment
  RSA476290  Ribes speciosum Anstruther Davidson 1890-4-10 s.n. Los Angeles Cahuenga Comment
  RSA652588  Ribes speciosum G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 549 Comment
  SBBG78088  Ribes viburnifolium L. Rowntree 1929-5-20 Los Angeles Santa Catalina Island Comment
  RSA591666  Ricinus communis L. C. Wheeler 1966-9-21 8890 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  RSA603400  Ricinus communis L. C. Wheeler 1975-6-15 s.n. Los Angeles San Gabriel Mountains Region: Big Tujunga Wash at Foothill Blvd. Comment
  UC1584714  Ricinus communis Tim Ross, Annette Ross 1991-6-3 5521 Los Angeles Elephant Hill, west Pomona Elephant Hill; , west Pomona 240 Comment
  CAS-BOT-BC207164  Ricinus communis Peter H. Raven; Henry J. Thompson 1959-9-6 14377 Los Angeles In coastal sage near mouth of Malibue - Santa Monica Mountains 12 Comment
  RSA66060  Rorippa palustris subsp. occidentalis F. W. Peirson 1907 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA567158  Rosa californica Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-27 3892 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  RSA0020318  Rosa californica D. C. Pearson 822 Los Angeles Bubrush [Bullrush] Canyon. 790113. [Santa Catalina Island?] Comment
  RSA650888  Rosa woodsii subsp. gratissima T. C. Thomas 1974-7-5 s.n. Los Angeles Big Pine, Hwy 2. 1829 Comment
  POM1476  Rubus ursinus Edwin Roof s.n. Los Angeles San Dimas Canyon. 381 Comment
  RSA0107832  Rumex conglomeratus Steven A. Junak 2000-6-29 SCa- 1351 Los Angeles Santa Catalina Island. NE end of Haypress Reservoir. 399 Comment
  CATA1260  Rumex crispus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2344 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  RSA466071  Rumex crispus F. R. Fosberg 1931-4-10 S 4551 Los Angeles Avalon Valley, Santa Catalina Island. 60 Comment
  RSA654207  Rumex crispus Fred Brooks 1988-5-7 41 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA466096  Rumex hymenosepalus Bonnie C. Templeton 1930-5-13 1454 Los Angeles Mint Canyon, San Gabriel Mts. 600 Comment
  SEINET6731400 Image available Rumex obtusifolius Joseph Andorfer Ewan 1932-1 7573 Los Angeles Millardo Canyon, just below the falls; San Gabriel Mountains Comment
  SD85198  Rumex salicifolius Martin A. Piehl 1962-10-3 62500 Los Angeles Santa Catalina Island, Echo lake Comment
  RSA466114  Rumex salicifolius Robert Gustafson 1981-7-15 2339 Los Angeles Ballona Wetlands, Area 2. Comment
  UC465820  Rumex salicifolius var. salicifolius J. Burtt Davy May 9 1896-May 24 1896 2473 Los Angeles Antelope Valley Comment
  RSA188176  Ruppia maritima Robert F. Thorne 1966-4-7 35981 Los Angeles Santa Catalina Island, Shallow water of lower two ponds near Arrow Point, W end of island 46 Comment
  RSA248885  Ruppia maritima Robert F. Thorne 1973-4-12 42934 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  RSA616131  Sagina saginoides L. C. Wheeler 1966-8-21 8839 Los Angeles San Gabriel Mountains: Dorr Canyon, northwest side Mount Burnham. Comment
  UCR280769  Salazaria mexicana R. G. Swinney 2014-4-30 16299 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
  SBBG13769  Salicornia pacifica E. R. Blakley 1961-9-23 4727 Los Angeles Ballast Pt, Catalina Harbor Comment
  UC56835  Salicornia virginica Ernest Braunton Jul 1902 557 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  RSA511015  Salicornia virginica R. F. Thorne 1973-4-12 42930 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  POM360934  Salix Anstruther Davidson 1920-05 s.n. Los Angeles Crane Lake. Comment
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Jan 15 2015
  RSA781248  Salix A. C. Sanders, Dan S. Cooper 2010-3-12 37382 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  POM2073  Salix exigua I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek near Dominguez. Comment
  UCR223258  Salix exigua R. G. Swinney 2009-5-20 10851 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UC506470  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-15 7637 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UCR129383  Salix gooddingii Orlando Mistretta 1994-4-12 1000 Los Angeles San Gabriel Mtns, Little Rock Creek, slopes east of Little Rock Reservoir 976 Comment
  POM362617  Salix laevigata Robert Gustafson 1978-6-1 989 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA10989  Salix laevigata Carl B. Wolf 1928-3-29 1581 Los Angeles 2 mi. east of Sandbergs on road to Pine Canyon 1098 Comment
  UCR212828  Salix laevigata Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1845 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  POM156304  Salix lasiolepis L. R. Abrams 1902-3-6 3103 Los Angeles Centinela creek, Inglewood. Comment
  RSA228941  Salix lasiolepis Robert F. Thorne 1971-8-25 41301 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA599150  Salix lasiolepis Louis C. Wheeler 1966-11-19 9134 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  CAS-BOT-BC107550  Salix lasiolepis var. lasiolepis Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9907 Los Angeles Mescal Canyon, San Gabriel Mts. 1615 Comment
  RSA654423  Salsola tragus Matt Brooks 1988-5-12 55 Los Angeles Whittier, Turnbull Canyon Rd. 0.4 miles east of its intersection with Beverly Blvd. Comment
  RSA0097178  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-1 14978 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  CHSC90743  Salvia apiana John Gerard 1972-5-12 Los Angeles Hills behind the campus of California Polytechnic College. Pomona. Comment
  RSA424340  Salvia apiana William Emboden 1970-6-12 19 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA578531  Salvia apiana Tim S. Ross, Steve D. Boyd 1994-6-22 8009 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA134395  Salvia apiana Harlan Lewis 1957-5-25 s.n. Los Angeles New Topanga Road 4.8 miles north of Ferndale Road, Topanga Canyon. Comment
  RSA411298  Salvia apiana M. Bisbee 1917-5-26 s.n. Los Angeles Hills north of Eagle Rock Valley. Comment
  RSA442841  Salvia apiana William Emboden 1969-5-28 27 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442846  Salvia apiana William Emboden 1969-5-28 36 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA670413  Salvia carnosa Bonnie C. Templeton, H. J. Andrews 1938-6-22 1688 Los Angeles Mint Canyon Comment
  UCR126663  Salvia columbariae A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26209 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR139471  Salvia columbariae L. E. Hoffman 1930-5-8 s.n. Los Angeles Sunland 488 Comment
  UCR222833  Salvia columbariae R. G. Swinney 2009-4-29 10593 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
  UCSB41790  Salvia columbariae Fall, G. 1970-3-25 Los Angeles along the roadside of 110th St; 2.6 mi. from intersection with K Ave; 11 mi. from Sierra Hwy 1036 Comment
  UCR16802  Salvia dorrii subsp. dorrii Steve Stadler 1966-4-17 41766- 67 Los Angeles San Gabriel Mtns., 3 mi north of Mile High on road connecting Mile High and the Palmdale-Cajon Jct Road. 10 yds ? of road at mouth of canyon road runs in. 1128 Comment
  SEINET229597  Salvia dorrii var. pilosa Barbara Ertter, Jeffrey Strachan 1979-6-29 3007 Los Angeles Angeles National Forest ; North edge of Angeles NF ca. 9 airmiles ESE of Pearblossom 1.7 mile north of Mile High on County Hwy N4. 1463 Comment
  UC1124699  Salvia dorrii var. pilosa A. Lewis 1933-4-20 185 Los Angeles 1.5 mi s Palmdale; Elizabeth Quad. 853 Comment
  UC520118  Salvia leucophylla Carl Epling 1932-6-10 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  LA82012  Salvia mellifera Martha Hilend; K Hinsel 1929-3-9 Los Angeles Cahuenga Hills W of Hollywood Lake Comment
  RSA0091073  Salvia mellifera R. G. Swinney 2011-3-17 14124 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA434115  Salvia mellifera Bonnie C. Templeton 1929-12-29 1439 Los Angeles Mandeville Canyon, Santa Monica Mts. 250 Comment
  RSA482527  Salvia mellifera Richard Noyes, L. Arnseth 1988-4-30 556 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Burbank Canyon, northwest of Thompson Creek Dam. 525 Comment
  RSA657371  Salvia mellifera Joseph M. Keefe 2001-1-19 30957 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  SBBG18724  Salvia mellifera E. R. Blakley 1963-4-9 5571 Los Angeles NE side of Black Jack Mtn 396 Comment
  SEINET8018555  Salvia mellifera W. D. Billings 1951-6-18 2103 Los Angeles San Gabriel Range, hillside near Bigcone Spruces, Glendora Mt. Rd. 762 Comment
  UC311249  Salvia mellifera Philip A. Munz 1926-4-4 10014 Los Angeles 2 mi n Saugus Comment
  RSA748436  Salvia sonomensis Justin M. Wood 2009-6-1 801 Los Angeles Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4) 1582 Comment
  RSA126688  Salvia spathacea H. J. Thompson 1959-5-24 1998 Los Angeles Santa Monica Mountains: 0.8 miles north of Coast Highway. Tuna Canyon. 91 Comment
  RSA434073  Salvia spathacea E. Crow 1929-5-5 353 Los Angeles Santa Monica Mountains: Pacific Palisades. Comment
  RSA0031807  Sambucus mexicana Geraldine Dodd 1992-5-16 013 Los Angeles San Gabriel Mts. 2 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre. Mt. Wilson hiking trail. Comment
  RSA230388  Sambucus mexicana R. F. Thorne, M. Z. Thorne 1969-7-10 38386 Los Angeles San Gabriel Mountains: Angeles National Forest. Along Angeles Crest Highway, Near Lodgepole Picnic Ground. 2317 Comment
  RSA652785  Sambucus mexicana S. Koukol, R. Koukol 1998-5-3 60 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  RSA657293  Sambucus mexicana Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -2 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
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May 21 2015
  UC1125363  Sambucus mexicana A. Lewis 1934-2-1 273 Los Angeles Grapevine Canyon San Fernando Quadrangle Comment
  UCR170695  Sambucus mexicana Alex R. Van Dam 2004-4-25 037 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR190375  Sambucus mexicana R. G. Swinney 2001-6-16 7988 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  RSA0022257  Sambucus nigra Duncan S. Bell, Caitlin Elam 2013-8-1 5547 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  SEINET8058199  Sambucus nigra E. Braunton 1902-5-27 366 Los Angeles Sherman. Comment
  CAS-BOT-BC238745  Sambucus nigra subsp. caerulea J. Ewan 1931-9-7 5155 Los Angeles Sawpit Canyon, San Bernardino Mts. 1402 Comment
  UCR252871  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-10 11802 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  UCR270865  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12261 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  UC1605465  Sanguisorba minor subsp. muricata Tim Ross 1993-4-22 6923 Los Angeles Middle Canyon sw part Santa Catalina Island (along old dirt road (no longer maintained) that ascends the ridge sw of Thompson Dam and drops to Bullrush Canyon); Santa Catalina South Quad., , Middle Cy 213 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
  UCR193427  Sanicula arguta Dan S. Cooper 2008-3-28 s.n. Los Angeles San Gabriel Valley, Summitridge Park, Diamond Bar, north side of Grand Ave., just west of San Bernardino Co. line 356 Comment
  SD66907  Sanicula arguta R. Mitchel Beauchamp 1967-3-18 297 Los Angeles Grassy slopes of canyon below Lemon Tank Comment
  UC566787  Sanicula arguta Frank W. Peirson 1923-5-14 3489 Los Angeles Arroyo Seco 335 Comment
  RSA227000  Sarcodes sanguinea R. F. Thorne 1971-8-25 41252 Los Angeles Throop Peak 2744 Comment
  UCR272963  Sarcodes sanguinea R. G. Swinney 2011-7-29 15588 Los Angeles San Gabriel Mountains, ridge immediately west of Lily Spring, c. 100 m. south of Hwy 2/ Angeles Crest Hwy, north slope of Mt. Hawkins 2317 Comment
  UC277072  Sarcostemma cynanchoides subsp. hartwegii W. R. Shaw 1900-6-11 61 Los Angeles Claremont Comment
  SEINET5514128  Saxifraga caespitosa F. Turner 1970-1 Los Angeles Collected E of Gorman Kerr Co Comment
  CATA411  Schinus molle Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 548 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  RSA612289  Schinus molle L. C. Wheeler 1933-12-21 2334 Los Angeles W side mouth of Big Santa Anita Canyon. 335 Comment
  RSA343363  Schismus arabicus F. R. Fosberg 1983-4-22 64145 Los Angeles N of Saddleback Butte, n of Avenue J, E of Lancaster, Antelope Valley Comment
  SBBG131586  Schismus arabicus S. A. Junak 2000-4-15 SCa 1227 Los Angeles E of Lone Tree, just inland from S-facing bluff top 402 Comment
  UCR264067  Schismus arabicus John F. Green 2008-3-26 308- 10 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  RSA639743  Schismus barbatus L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 426 Comment
  CAS-BOT-BC111225  Schoenoplectus californicus Roxana S. Ferris 1918-6-12 924 Los Angeles In marsh by artesian well, Lancaster Comment
  CAS-BOT-BC111238  Schoenoplectus californicus George B. Grant 1902-6-20 915 Los Angeles Margin of pond, Redondo Comment
  RSA365999  Schoenoplectus californicus Robert Gustafson 1981-4-29 2209 Los Angeles Ballona Wetlands, Area 2. Comment
  SBBG31404  Scirpus microcarpus R. F. Thorne 1966-4-5 35809 Los Angeles Middle Cyn below Stage Station SW of Eagles Nest 76 Comment
  CAS-BOT-BC341087  Scutellaria mexicana Roxana S. Ferris 1918-6-12 936 Los Angeles 5 miles south of Lancaster Comment
  UCR280860  Scutellaria mexicana R. G. Swinney 2014-4-23 16151 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UC1871164  Scutellaria siphocampyloides T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3974 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W, ca. 350 m W of the knoll, T7N R17W E 1/2 NE 1/4 sec 9. Elev 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  POM96950  Scutellaria tuberosa P. A. Munz 1925-4-23 9418 Los Angeles San Gabriel Canyon. 305 Comment
  RSA0081659  Sedum spathulifolium L. C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon at first side canyon on east side above upper falls. Comment
  LA209598  Selaginella asprella Lawrence L. Kiefer; 1966-10-15 2427 Los Angeles San Gabriel Mountains, Bear Canyon-Devil's Canyon Primitive Area, ca. 0.5 mi down the stream below Snow Spring on Hwy. 39 1523 Comment
  RSA613295  Selaginella asprella Louis Cutter Wheeler 1932-12-17 1453 Los Angeles The Hogback, San Antonio Canyon 1158 Comment
  RSA683745  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA656056  Senecio californicus James Henrickson 1985-3-30 19787 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
  SEINET5782744 Image available Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo Comment
  RSA472892  Senecio californicus Helen M. Oster 1924-4-27 13769 Los Angeles Foothills n. end of Vermont Ave. Comment
  CAS-BOT-BC333117  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles Along Mulholland Drive 4 miles east of Topanga Canyon, Santa Monica Mountains Comment
  RSA472944  Senecio flaccidus var. douglasii Ora M. Clark 1928-10-21 1222 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  UC485567  Senecio flaccidus var. douglasii J. Grinnell 1903-6-27 Los Angeles Pasadena , Arroyo Seco (Arroyo Seco) Comment
  UCR239982  Senecio flaccidus var. douglasii R. G. Swinney 2009-11-13 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UCSB27642  Senecio flaccidus var. douglasii Lavinger, S. 1975-10-6 Los Angeles Angeles Crest Highway .3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  CAS-BOT-BC341198  Senecio lyonii R. M. Beauchamp 1967-1-28 136 Los Angeles 1/2 mile south-east of Eel Point. San Clemente Island Comment
  CATA654  Senecio lyonii Mark L. Hoefs 1991-4-18 1141 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Fourth of July Cove 79 Comment
  SBBG12512  Senecio lyonii P. H. Raven 1962-4-9 17161 Los Angeles above Wilson Cove 76 Comment
  RSA402664  Sesuvium verrucosum I. M. Johnston 1917-4-11 s.n. Los Angeles Gardena 16 Comment
  CAS-BOT-BC243582  Setaria parviflora Peter H. Raven; Henry J. Thompson 1959-9-18 14435 Los Angeles Santa Monica Boulevard near Beverly Glen Boulevard, west Los Angeles 76 Comment
  RSA747076  Setaria parviflora R. G. Swinney 2008-5-30 8894 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR178953  Setaria parviflora R. G. Swinney 1989-6-30 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Canyon Road, 0.9 mi. NE of Glendora Mountain Road 412 Comment
  RSA607601  Setaria viridis L. C. Wheeler 1966-10-25 9064 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UCR172292  Setaria viridis Anuja Parikh, Nathan Gale 2005-7-11 2138 Los Angeles Santa Clara River Valley, Newhall Ranch, N of the Santa Clara River, near Del Valle and the mouth of Chiquito Canyon, study area 29 274 Comment
  UCR131595  Sherardia arvensis L. C. Wheeler 1933-5-15 1914 Los Angeles San Gabriel Valley, San Gabriel, 217 South Muscatel Ave. 107 Comment
  CATA2984  Sibara filifolia Peter J. Dixon 2015-2-25 016 Los Angeles Santa Catalina Island: Wild Boar Gully. Mid-slope population, 153 SW of gate, 26 downslope (south) of ridge. 260 Comment
  RSA482973  Sidalcea malviflora subsp. malviflora I. W. Clokey 1930-5-13 s.n. Los Angeles Bouquet Canyon. Comment
  RSA595867  Sidalcea malviflora subsp. sparsifolia Tim S. Ross, Victor W. Steinmann 1995-5-8 8535 Los Angeles Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3. 735 Comment
  UC1012928  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-6-2 19565 Los Angeles on road to Gorman about 6 mi w Hughes Lake; w of Hughes Lake on rd to Gorman Comment
  POM215712  Silene antirrhina L. C. Wheeler 1932-5-28 782 Los Angeles San Antonio Canyon, E side SE Hogback 1280 Comment
  UCD98709  Silene gallica M. Vincent 1963-4-25 319 Los Angeles Santa Monica Mountains, one fourth mile east of Cornell Road on Mulholland Highway. Comment
  SBBG71619  Silene laciniata subsp. californica R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  CAS-BOT-BC389107  Silene laciniata subsp. californica Lester Rowntree 1937-5-7 s.n. Los Angeles Bouquet Canon [Canyon] trail Comment
  UCR200158  Silene multinervia Valerie Soza, Laura A. Moore 2000-5-10 858 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  UCR271216  Silene parishii R. G. Swinney 2011-9-27 15692 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  CAS-BOT-BC175106  Silene verecunda Le Roy Abrams 1901-7-1 1935 Los Angeles Summit of San Antonio Mt. Comment
  SD215461  Silene verecunda Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon, ca. 120 m NNW of Icy Springs around a stone building that has been gutted by fire. 1730 Comment
  RSA0013170  Silene verecunda subsp. platyota Orlando Mistretta, Christine Mistretta 2011-6-23 5745 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA601543  Silybum marianum L. C. Wheeler 1967-7-6 9942 Los Angeles San Gabriel Mountains: San Gabriel Canyon, El Encanto. 259 Comment
  SBBG51622  Sisymbrium altissimum R. Gustafson, C. Davidson 1977-4-20 12 Los Angeles Fort Tejon Rd, S of Littlerock, ca. 1.5 mi E of jct with 82nd St 975 Comment
  UCR189714  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 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
  UCR280562  Sisymbrium altissimum R. G. Swinney 2014-4-10 16012 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA0116203  Sisymbrium altissimum Steven A. Junak 2000-3-30 SCa- 1143 Los Angeles Santa Catalina Island. Campground at Little Harbor. 6 Comment
  UCD115463  Sisymbrium altissimum R. A. Blanchard 1931-5-2 2187 Los Angeles Lancaster. Comment
  UCR282148  Sisymbrium officinale R. G. Swinney 2014-5-15 16526 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  CDA3854  Sisymbrium officinale T. S. Ross, Walter Appleby 1993-5-2 7204 Los Angeles Western San Gabriel Mountains; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. Comment
  RSA670951  Sisymbrium orientale Joseph M. Keefe 2001-1-24 31035 Los Angeles East side of Arroyo Seco, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR23433  Sisymbrium orientale John C. Roos 1954-4-30 s.n. Los Angeles Los Angeles, along a parking strip at Boyle St, and New Jersey St. 104 Comment
  UCR271796  Sisymbrium orientale R. G. Swinney 2010-3-24 12043 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UC1594403  Sisymbrium orientale Tim Ross, Elizabeth Kellogg 1992-4-13 6139 Los Angeles north head of San Clemente Island off e end of the runway San Clemente Island Comment
  SD38484  Sisyrinchium bellum Edith A. Purer 1931-3-11 1545 Los Angeles Near Pasadena, moist slope. Comment
  UCR124445  Sisyrinchium bellum I. W. Clokey, B. C. Templeton 1929-1 4542 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  SBBG118711  Solanum americanum O. Mistretta 1992-4-4 126 Los Angeles San Clemente Island Comment
  RSA187685  Solanum douglasii Robert F. Thorne 1966-9-14 36661 Los Angeles Santa Catalina Island; Little Harbor 5 Comment
  RSA725312  Solanum douglasii K. Dobry 1991-5-2 476 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  UCD126931  Solanum douglasii Daryl Koutnik 1978-4-28 427 Los Angeles Point Dume near Zuma Beach. 45 Comment
  UCR282215  Solanum douglasii Dan S. Cooper 2015-10-14 1015- 01 Los Angeles Western Transverse Range; Santa Monica Mtns., Los Angeles, Griffith Park, Vermont Canyon 259 Comment
  RSA0040208  Solanum douglasii Orlando Mistretta 1989-5-15 s.n. Los Angeles San Clemente Island, Bryce Canyon. Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  UCR143218  Solanum physalifolium var. nitidibaccatum L. C. Wheeler 1932-8-6 1125 Los Angeles San Gabriel Valley, 2 miles NNE of Claremont 427 Comment
  JEPS12157  Solanum umbelliferum I. W. Clokey 1931-3-11 5348 Los Angeles San Gabriel Canyon 900 Comment
  RSA681853  Solanum umbelliferum Scott D. White, Michael Honer 2003-6-18 9564 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  RSA729236  Solanum umbelliferum R. G. Swinney 1998-7-27 6498 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  SBBG54056  Solanum umbelliferum K. R. Montgomery, T. W. Strid 1973-5-19 73 -71 Los Angeles Dillon Divide, San Gabriel Mtns Comment
  UC1594357  Solanum umbelliferum Tim Ross, Mathew Bell 1992-3-22 6049 Los Angeles w side of Yerba Buena Road, 360 m nnw of intersection with Mulholland Highway Yerba Buena Road; Santa Monica Mountains, Yerba Buena Road 487 Comment
  UCR252891  Solanum umbelliferum R. G. Swinney 2010-5-11 12647 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCD127024  Solanum umbelliferum Kenneth R. Montgomery; Thomas W. Strid 1973-5-19 73- 70 Los Angeles Dillon Divide, San Gabriel Mountains. Site of LASCA Cistus field plot. Comment
  RSA226094  Solidago californica R. F. Thorne, C. W. Tilforth 1971-6-17 39923 Los Angeles 0.6 mi. below Bear Divide station, San Gabriel Mountains, Angeles National Forest 732 Comment
  RSA473690  Solidago confinis I. M. Johnston 1917-8-22 1674 Los Angeles Prairie Fk. of San Gabriel R. 1524 Comment
  RSA605018  Solidago confinis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SEINET11383208 Image available Solidago velutina Unknown 1933-1 2169 Los Angeles Liveoak Canyon, San Gabriel Mts. Comment
  RSA0116118  Solidago velutina subsp. californica R. G. Swinney 2011-10-13 15779 Los Angeles San Gabriel Mountains; Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek. 1573 Comment
  CAS-BOT-BC365995  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles Southeast point, San Clemente Island Comment
  SBBG95256  Sonchus oleraceus M. B. Dunkle 1928-4-11 1854 Los Angeles near isthmus 15 Comment
  UCR259927  Sonchus oleraceus R. G. Swinney 2010-4-1 12150 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  SBBG19095  Sorghum halepense M. A. Piehl 1963-7-26 63674 Los Angeles 0.5 mi E of Saugus Comment
  UCD169675  Sorghum halepense Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. 1262 Comment
  CATA1350  Spartium junceum Mark L. Hoefs, Robert F. Thorne 1995-7-26 2457 Los Angeles Santa Catalina Island: Middle Canyon, by house at Squaw Valley 178 Comment
  RSA0115279  Spartium junceum Richard G. Swinney 2010-10-5 13991 Los Angeles San Gabriel Mountains: east end of Palcerita Canyon Natrual Area, near confluence of Placerita and Los Pinteos canyons. 549 Comment
  UCR172780  Spartium junceum Wayne Law, Jun Hu 2000-4-30 01 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  RSA478036  Spergularia macrotheca Anstruther Davidson 1902-5-1 1884 Los Angeles Ballona Comment
  RSA0098759  Spergularia macrotheca var. macrotheca Jon P. Rebman, Dunn 1996-4-29 3109 Los Angeles San Clemente Island. Eel Cove and Eel Cove Canyon on west side of island. 10 Comment
  CAS-BOT-BC390550  Spergularia platensis Geo. B. Grant 1898-3-10 s.n. Los Angeles Los Angeles Comment
  UCD116780  Sphaeralcea ambigua T. E. Weier 1941-6-26 s.n. Los Angeles San Gabriel Mts. Near Vincent. Comment
  UCR230261  Stachys ajugoides Dan S. Cooper 2011-4-14 411- 16 Los Angeles Ernest E. Debs Regional Park, Montecito Heights, SW of South Pasadena between the Pasadena Fwy (111) and the Huntington Fwy (66) 166 Comment
  UCR212805  Stachys albens Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1849 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  POM9836  Stachys rigida subsp. quercetorum P. A. Munz, R. D. Harwood 1920-3-13 3291 Los Angeles San Jose Hills, 5 miles north of Pomona 305 Comment
  SFV1520  Stanleya pinnata K. A. Wilson 1961-4-29 1173 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA784835  Stebbinsoseris heterocarpa J. D. Olmsted 1959-5-13 618 Los Angeles San Gabriel Mountains; Evey Canyon, 550 yards west of San Antonio Canyon 716 Comment
  RSA188140  Stellaria media R. F. Thorne 1966-4-28 36197 Los Angeles Santa Catalina Island, lateral ravine along Renton Mine Road, E end island 213 Comment
  UCR136828  Stellaria media 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
  RSA503394  Stephanomeria blairii P. H. Raven 1962-5-10 11717 Los Angeles South side of canyon just north of Thirst, San Clemente Island. 198 Comment
  UCD136364  Stephanomeria exigua subsp. coronaria L. D. Gottlieb 1970-9-17 7054 Los Angeles on West Liebre Lookout Road, 1/2 mile west of Tent Rock Campsite, east of Gorman. 1615 Comment
  RSA588691  Stephanomeria pauciflora var. pauciflora Orlando Mistretta 1995-7-12 1899 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  UCR263048  Stephanomeria virgata subsp. virgata Mitch Provance, Callen Huff 2009-6-26 609- 04 Los Angeles Tehachapi Mountains Foothills/W Mojave Desert, Neenach, water reserve near the intersection of 300th St. W and W Ave. A 930 Comment
  SEINET256102  Stipa Mary E. Barkworth, LR Firestone 1982-8-26 4085 Los Angeles Angeles National Forest ; Campground on CA Hwy 2 2240 Comment
  SEINET10960836  Stipa Unknown 1944-4-25 Anonymous s.n. Los Angeles Needle and Tread Grass. Monroyia Canyon. Comment
  UCR155589  Stipa lepida A. C. Sanders, Helen Kennedy 2005-4-13 29447 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CATA924  Stipa pulchra Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1776 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UCR127898  Stipa pulchra A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26099 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
  OBI2578  Stipa speciosa Larry E. Brown 1970-5-2 1789 Los Angeles Angeles Natl Forest at northern base of San Gabriel Mts ca. 10 mi S of Joshua Tree state park Comment
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Sep 29 2015
  SD260163  Stipa speciosa R. G. Swinney 2010-5-19 12823 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. 1335 Comment
  UCR101683  Stipa speciosa B. G. Pitzer 1998-5-23 3742 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR125634  Stipa speciosa A. C. Sanders 2003-5-26 25864 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azus