Search Results — 2000 specimen records retrieved (1557 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM735  Abronia maritima M. Hitchcock 1918-7-3 8 Los Angeles near mouth of Topanga Canyon Comment
  RSA0104985  Abronia maritima Steven A. Junak 1999-7-16 SCa- 1059 Los Angeles Santa Catalina Island. Behind beach at N side of Cottonwood Canyon mouth. 3 Comment
  CAS-BOT-BC229370  Abronia umbellata Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  NY679480  Abronia umbellata G. B. Grant 04 1899 2005 Los Angeles Southern California. Comment
  RSA0025879  Abronia umbellata Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5098 Los Angeles San Clemente Island: North Head; WNW of the new landing field. 15 Comment
  RSA0014971  Acacia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11690 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CDA34293  Acacia baileyana M. O'Brien 2006-11-12 MOB 06 -5 Los Angeles Santa Monica Mountains; Tapia County Park. Comment
  RSA651427  Acacia cultriformis M. L. Becker 1948-2-13 s.n. Los Angeles Priv. Res. Los Angeles 30 Comment
  SBBG132337  Acacia cyclops S. Savage, W. Fair, R. Stark, L. Noe, J. Lambert 2003-9-7 Bot 9 -2003 Los Angeles near BEQ Building 61012, W side 123 Comment
  SEINET10452375  Acacia melanoxylon David B. Dunn 1946-1 Dunn 1996 -A Los Angeles Mimosaceae. Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  HSC86930  Acer macrophyllum Lyman Benson 1945-4-30 11653 Los Angeles Big Dalton Canyon, Glendora, San Gabriel Mtns. 351 Comment
Read comments
May 22 2013
  RSA713808  Acer macrophyllum Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1354 Los Angeles Whiting Woods Rd, mouth of Henderson Canyon. 396 Comment
  RSA642511  Acer negundo subsp. californicum D. E. Bramlet 1999-11-16 2827 Los Angeles Old meander of San Jose Creek. 46m east of Valley Blvd. and 1km north of Grand Ave. 30m west of the existing San Jose Creek flood control channel. 58 Comment
  SEINET5712609  Achillea millefolium var. borealis Elizabeth M. Harris 1988-1 751 Los Angeles Cultivated plant at the Rancho Santa Ana Botanic Gardens in Claremont.; Rancho Santa Ana Botanic Garden Comment
  POM157975  Achillea millefolium var. californica M. B. Dunkle 1928-3-17 1754 Los Angeles Santa Catalina Island. Isthmus. 152 Comment
  SEINET2146063  Achillea millefolium var. californica C. M. Coad 1971-4-22 118 Los Angeles N. end of Sycamore Canyon (at end of Indian Hill Blvd. in Claramont), San Gabriel Mt. Range 640 Comment
  UC1505889  Achnatherum coronatum Dr. H. E. Hasse 1888-1 Los Angeles Los Angeles Comment
  UCSB33243  Achnatherum hymenoides Partsch, M. 1977-5-14 Los Angeles along Palmdale Blvd at junction with 140th St E. 1066 Comment
  CATA238  Acmispon argophyllus var. argenteus Mark L. Hoefs, A. Douglas Propst 1973-5-4 234 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  SD112005  Acmispon argophyllus var. argenteus Linda Allen, Betsy Carpenter 1975-3-20 Los Angeles Santa Catalina Island, in mid Avalon Canyon, Hour Trail Comment
  SD52907  Acmispon argophyllus var. argenteus Peter H. Raven 1962-4-11 17281 Los Angeles San Clemente Island, due west of Wall 2; on sandy beach 9 Comment
  SDSU19672  Acmispon argophyllus var. argenteus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 B Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  UCD104003  Acmispon argophyllus var. argenteus L. W. Nuttall 1920-4-28 16 Los Angeles Santa Catalina Island. Comment
  SBBG120135  Acmispon brachycarpus A. C. Sanders, M. Elvin, et al 2003-4-14 25960 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  LA47998  Acmispon dendroideus var. dendroideus Geo. B. Grant; 1904-6-17 710 Los Angeles Pasadena Comment
  SBBG19042  Acmispon glaber D. Emery 1947-4-20 Los Angeles Topanga Cyn Comment
  SEINET5327401  Acmispon heermannii var. heermannii G. B. Grant 1904-6-10 716 -6100 Los Angeles Collected at Ballona Marsh Comment
  SD69557  Acmispon maritimus Robert F. Thorne 1966-4-28 36230 Los Angeles Santa Catalina Island, west-facing rocky bank near the upper end of Renton Mine Road in Pebbly Beach Canyon 259 Comment
  SBBG128230  Acmispon micranthus M. L. Hoefs, S. A. Junak 2000-4-14 3075 Los Angeles hillside about halfway between Airport Rd and Goat Harbor 469 Comment
  UCD104237  Acmispon micranthus L. W. Nuttall 1920-5-17 232 Los Angeles Santa Catalina Island, Hamilton Canyon. Comment
  SBBG3483  Acmispon strigosus H. and M. Dearing 1935-4-13 918 Los Angeles Bouquet Cyn Comment
  SFV19334  Acmispon strigosus P. Wilson, J. N. Hogue 2005-5-23 4216 Los Angeles San Gabriel Mountains Highway 2, about 0.3 km east of Newcomb Ranch. In roadside depression. 1650 Comment
  CAS-BOT-BC133173  Adenostoma fasciculatum LeRoy Abrams 1902-7-3 2649 Los Angeles Little Santa Anita Canyon Comment
  UCR13481  Adenostoma fasciculatum O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  POM612  Adenostoma fasciculatum var. fasciculatum D. L. Crawford 1915-08 s.n. Los Angeles San Antonio Canyon, Claremont Comment
  RSA583036  Adenostoma fasciculatum var. fasciculatum Tim S. Ross 1993-4-22 6876 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); northeasterly slope 100 meters due N of summit. 468 Comment
  RSA650365  Adenostoma fasciculatum var. fasciculatum R. Carlston 1961-5-8 s.n. Los Angeles 4th of July Cove, Catalina Island. Comment
  SBBG70859  Adenostoma fasciculatum var. fasciculatum M. N. Ackley 1929-4-21 989 Los Angeles Eagle Rock 243 Comment
  RSA0022053  Adiantum capillus-veneris R. G. Swinney, Jane Strong 2009-4-7 10306 Los Angeles San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR261528  Adiantum capillus-veneris Joseph Cahill 2010-12-22 1210- 09 Los Angeles Western Transverse Range; Santa Monica Mountains, Solstice Canyon, c. 1 mile from Pacific Coast Highway, near base of Solstice Canyon falls 73 Comment
  SFV19103  Adolphia californica P. Saadat 1999-5-16 5 Los Angeles Santa Monica Mountains Topanga State Park. Between Rustic Canyon and Temescal Canyon. 365 Comment
Read comments
Jul 16 2019
  RSA527704  Agave americana Timothy S. Ross, Annette H. Ross 1991-3-7 4134 Los Angeles Elephant Hill: western Pomona. 244 Comment
  UCR182682  Ageratina adenophora R. G. Swinney 1998-4-13 5954 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  UCR46116  Agoseris grandiflora Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns, between Pacifico Mountain and road N3 Comment
  UCR25466  Agrostis stolonifera John C. Roos 1950-9-16 4988 Los Angeles Los Angeles, Santa Monica Blvd. at Midvale Ave. 61 Comment
  SEINET10666941  Allium cepa Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3781 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  RSA641681  Allium monticola Orlando Mistretta 1993-6-2 848 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2042 Comment
  RSA366489  Allium peninsulare var. peninsulare Anstruther Davidson 1921-6-1 3426 Los Angeles San Gabriel Mountians Comment
  SBBG31108  Allium praecox R. F. Thorne 1966-4-30 36340 Los Angeles bluff above beach at mouth of Gallagher's Cyn 7 Comment
  CAS-BOT-BC475402  Allium praecox Carl B. Wolf 1932-5-12 3583 Los Angeles Santa Catalina Island. 2 mi. from isthmus on road to little harbor 91 Comment
  UCR200169  Allophyllum divaricatum Valerie Soza, Laura A. Moore 2000-5-10 851 Los Angeles Transverse Ranges; 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, W of peak ''1936'' 564 Comment
  UCR51985  Allophyllum divaricatum Steve Boyd, T. S. Elias 1987-4-14 2070 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  RSA28464  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  SEINET12278602  Allophyllum gilioides I. W. Clokey, Templeton, B. 1929-1 4468 Los Angeles 425 Comment
  CAS-BOT-BC170984  Alnus rhombifolia Annie J. McClatchie 1893-1-8 s.n. Los Angeles Santa Anita Canyon Comment
  RSA0085348  Amaranthus albus R. G. Swinney 2010-6-8 13217 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 546 Comment
  RSA550696  Amaranthus blitoides T. S. Ross, Annette H. Ross 1991-7-29 5710 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 241 Comment
  POM715  Amaranthus hybridus I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  RSA155824  Amblyopappus pusillus Peter H. Raven 1962-5-22 17837 Los Angeles Santa Catalina Island, slope E of Little Harbor 46 Comment
  SBBG12908  Amblyopappus pusillus E. R. Blakley 1962-6-10 5232 Los Angeles SE of Eel Pt, halfway toward Seal Cove 6 Comment
  RSA416894  Ambrosia acanthicarpa F. R. Fosberg 1931-7-11 7195 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  UCR239971  Ambrosia acanthicarpa R. G. Swinney 2009-11-18 11658 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  RSA151074  Ambrosia confertiflora Peter H. Raven 1961-10-13 16844 Los Angeles Along U.S. Highway 66, Arcadia. 198 Comment
  LA91068  Ambrosia psilostachya T. A. Geissman; October 1969 TAG 101068 AP Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  RSA184357  Ambrosia psilostachya S. F. Blake 1910-7-26 474 Los Angeles Dry bank, near Pasadena Comment
  UCD128877  Ambrosia salsola Geoffrey Levin 1975-5-17 514 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. Mohave River drainage area. 1158 Comment
  UCR19475  Ambrosia trifida John C. Roos 1937-9-7 s.n. Los Angeles San Fernando Valley, North Hollywood Comment
  CLARK-A1528-1544  Ambrosia trifida John C. Roos 1937-9-7 Los Angeles North Hollywood Comment
  RSA640742  Amorpha californica L. C. Wheeler 1931-7-3 s.n. Los Angeles Base of San Gabriel Mountains: San Dimas. Comment
  UCR192935  Amorpha californica Dan S. Cooper 2008-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Fern Canyon, south fork (south of the one with amphitheater), Griffith Park, Los Angeles 197 Comment
  UC212345  Amorpha californica var. californica I. Johnston 1917-6-14 1348 Los Angeles hills w Pomona 304 Comment
  CAS-BOT-BC222261  Amsinckia John H. Thomas 1957-4-27 6673 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  UC78281  Amsinckia Katharine Brandegee May 1889 Los Angeles San Pedro Comment
  RSA0060512  Amsinckia intermedia R. G. Swinney 2010-3-22 12089 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA670443  Amsinckia intermedia I. W. Clokey, B. Templeton 1929-03 4467 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  SBBG128382  Amsinckia intermedia M. L. Hoefs 1991-4-7 1045 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  SBBG31242  Amsinckia intermedia R. F. Thorne 1966-4-5 35854 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SD21299  Amsinckia intermedia Norman E. Bilderback 1938-4-17 Los Angeles Santa Catalina Island Comment
  UC1922876  Amsinckia intermedia Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1179 Los Angeles Transverse Ranges; Verdugo Mountains region; Western mouth of La Tuna Canyon, north side of La Tuna Canyon. Trail from Tuxford St & Ledge Ave. 320 Comment
  RSA638178  Amsinckia intermedia L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 579 Comment
  SEINET9119016  Amsinckia intermedia E. Adams 1978-1 S.N. Los Angeles Pomona, behind Calif. Polytechnic Univ. health unit. Grassy hillside. Comment
  RSA638173  Amsinckia menziesii L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  UC213280  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1834 Los Angeles s of Glendora; Love Hill 365 Comment
Read comments
Apr 7 2014
  SEINET5320904  Amsinckia tessellata Unknown 2002-3-25 6134 Los Angeles Antelope Valley; Along State Highway 138, 5.3 miles west of its junction with State Highway 14 720 Comment
  RSA713736  Amsinckia tessellata var. tessellata LeRoy Gross 2005-4-28 2158 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
  RSA465129  Anagallis arvensis F. R. Fosberg 1931-4-1 S 4433 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 60 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
  UCD117534  Anagallis arvensis Geoffrey Levin 1975-5-12 498 Los Angeles vacant area east of Harwood Court, Pomona College, Claremont. Alluvial fan of the San Gabriel Mountains. 335 Comment
  RSA599617  Ancistrocarphus filagineus Steve Boyd, Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  UCR127400  Anethum graveolens A. C. Sanders, Mark Elvin, , Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25566 Los Angeles Santa Clara River Valley, north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur 274 Comment
  UCR179728  Angelica tomentosa R. G. Swinney, Dave Larson 1996-7-17 5145 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCD97916  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  UCR275337  Anthemis cotula Jeremiah George 2011-6-5 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA416831  Anthemis cotula Anstruther Davidson 1889-1 s.n. Los Angeles [No additional locality data] Comment
Read comments
Mar 31 2015
  UCR150896  Anthriscus caucalis Valerie Soza, Kent Hughes 1999-6-17 531 Los Angeles Transverse Ranges; San Gabriel Mountains, Chantry Flat, off road 2N41, west of water tank 701 Comment
  RSA425785  Antirrhinum coulterianum L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  RSA703622  Antirrhinum coulterianum Tim Thibault, Ryan Gilmore 2004-4-29 243 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  UC1584247  Antirrhinum coulterianum Tim Ross and Steve Boyd 1990-6-6 2822 Los Angeles Green Valley Pasture (in San Francisquito Canyon), Lake Hughes U.S.G.S. 7.5' Quad. (in San Francisquito Canyon) 926 Comment
  RSA80433  Antirrhinum multiflorum F. W. Peirson 1951-1 190 Los Angeles Summit of Mt. Lowe Comment
  SBBG54547  Antirrhinum multiflorum G. Wright 1971-7-19 328 Los Angeles San Antonio Cyn, E and elevated above Baldy stream and E of tunnels on Mt Baldy Rd Comment
  RSA712213  Antirrhinum multiflorum Andrea Warniment, J. Pareti 2005-6-13 ADW- 7 Los Angeles Victoria Debris Basin. 415 Comment
  SBBG131497  Antirrhinum nuttallianum S. A. Junak, B. Collins 1991-4-24 SCI 184 Los Angeles W side of W Shore Rd 36 Comment
  UC1215166  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-12 17325 Los Angeles w side San Clemente Island (near foot of canyon s of canyon below the Tomb) 137 Comment
  CAS-BOT-BC226797  Aphanes occidentalis Tim Ross; Janet Takara; Stacey Otte 1993-4-25 6966 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon 207 Comment
  RSA177679  Aphanisma blitoides R. F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  UCR152466  Aphanisma blitoides A. C. Sanders, Lee Jones 2005-4-8 29323 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  POM123382  Apiastrum angustifolium Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA347523  Apiastrum angustifolium B. A. Prigge 1986-3-19 6935 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  SFV22017  Apiastrum angustifolium V. Soza, L. Gross, A. Munoz 2000-5-12 897 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope of ridgetop. 488 Comment
  UCR126648  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26123 Los Angeles Western San Gabriel Mtns., 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 518 Comment
  UC1228855  Apiastrum angustifolium Peter H. Raven 1962-5-9 17665 Los Angeles 1 mi s of Wilson Cove (San Clemente Island); San Clemente Island 22 Comment
  UCSB8431  Apiastrum angustifolium Wedberg, H. 1958-5-3 Los Angeles 1/2 mi. up Baldy Rd. from Padua Hills rd. in San Antonio Can. wash Comment
  JEPS49796  Apocynum androsaemifolium Frank W. Peirson 1921-7-3 882 Los Angeles Vincent Gulch just below Rock Creek Divide; San Gabriel Mts., Vincent Gulch 2011 Comment
  UCSB4909  Apocynum cannabinum Crum, Charles 1958-7-3 Los Angeles Crystal Lake roadside; near Los Angeles, Calif. 1219 Comment
  RSA682289  Apocynum cannabinum R. E. Riefner 2000-8-29 0 -754 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  RSA754009  Aquilegia formosa D. W. Foster 1970-6-12 700612 -02 Los Angeles Angeles National Forest, San Gabriel Mts., Route N3, Tie Cyn 1555 Comment
  UC2030109  Arabis sparsiflora var. californica Valerie Soza, LeRoy Gross 2001-4-24 1178 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  RSA586537  Aralia californica T. S. Ross, Annette H. Ross 1991-11-22 6025 Los Angeles Fallen Leaf Spring: W of Sunset Peak, draining northward to Cow Canyon 1341 Comment
  UC303955  Arceuthobium campylopodum I. M. Johnston 1917-8-21 1688 Los Angeles Coldwater fork of the Creek San Antonio Mtns 2286 Comment
  UC535007  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles 3 1/2 mi (by road) Avalon (on way to Isthmus, hillside s of largest reservoir); Catalina Island 365 Comment
  CAS-BOT-BC23209  Arctostaphylos glandulosa subsp. glandulosa Mrs. Joseph Clemens 1922-5-27 s.n. Los Angeles Fish Canyon Comment
  POM367282  Arctostaphylos glandulosa subsp. mollis Fay A. MacFadden 1931-3-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  SFV10207  Arctostaphylos glandulosa subsp. mollis J. G. Cuti 1978-4-19 61 Los Angeles Verdugo Mountains About 2 miles from end of Walnut Ave. on Stough Canyon fire road. 610 Comment
  LA204831  Arctostaphylos glauca A. M. Johnson; 1927-10-21 2662 Los Angeles Palmdale? Comment
  RSA631409  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16006 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631432  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20491 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA631564  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15848 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA631710  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15674 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA640245  Arctostaphylos glauca R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41582 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  UC450794  Arctostaphylos glauca Fay A. McFadden 1931-4-25 2934 Los Angeles half way to ridge (old road to Burbank); Verdugo Hills, Tuna Canyon Comment
  UCSB9355  Arctostaphylos glauca Lloyd, Robert 1959-2-22 Los Angeles 1/2 mile below dam in San Dimas Canyon, stream bed on west side of San Dimas Canyon Road; San Gabriel Mt. Range; Pacific Ocean drainage area 365 Comment
Read comments
Jan 30 2015
  CAS-BOT-BC46727  Arctostaphylos parryana Frank W. Peirson 1942-10-15 13434 Los Angeles Carleton Flats. San Gabriel Mts. Hill top in camp. Comment
  SD49831  Arctostaphylos parryana A. E. Wieslander 1938-5-7 750 Los Angeles San Antonio Quadrangle, head of Swarthout Valley 2025 Comment
  RSA634775  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20346 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA634822  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22025 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635225  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20663 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA96408  Arctostaphylos patula E. K. Balls 1954-8-4 19784 Los Angeles trail to ski lift, Baldy summit 2500 Comment
  RSA718057  Arctostaphylos pungens R. G. Swinney 1997-8-19 5814 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  UC8105  Arenaria macradenia var. arcuifolia J. H. Barber 1897-7-11 248 Los Angeles Summit of Mt. Gleason Comment
  UC8109  Arenaria macradenia var. macradenia H. M. Hall 1899-6-1 1276 Los Angeles San Antonio Mountains, Schwartout Canyon 1981 Comment
  CHSC99224  Artemisia californica John C. Dittes; Rudolph A. Dittes 2006-10-30 1421 Los Angeles South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
  LA31681  Artemisia californica Peter H. Raven; 1959-9-19 13715 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  RSA167852  Artemisia californica R. F. Thorne, Percy C. Everett 1964-2-6 33288 Los Angeles Santa Catalina Island, W of Catalina Harbor at Isthmus. 8 Comment
  SEINET1869752  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-1 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at shouth edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near ''Airport Mesa' 305 Comment
  CAS-BOT-BC90349  Artemisia douglasiana L. R. Abrams 1901-8-21 2181 Los Angeles Ballona Comment
  RSA762881  Artemisia dracunculus R. G. Swinney 2008-10-10 9576 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC93864  Artemisia dracunculus Herman Knoche 1919-7-14 1058 Los Angeles North of Los Angeles Comment
  SBBG62518  Artemisia ludoviciana R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA417358  Artemisia nesiotica M. B. Dunkle 1939-4-5 7276 Los Angeles Pyramid Cove, San Clemente Island. Comment
  CAS-BOT-BC97275  Artemisia tridentata subsp. parishii F. A. M. 1931-8-1 3196 Los Angeles Pacoima Wash Comment
  SD251175  Artemisia tridentata subsp. vaseyana Jane Tirrell, Graham Bothwell 2012-9-14 LS 173 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side California State Route 2 at turnout by Big Rock Creek drainage, ca. 1.5 mile west of Dawson Saddle. 2312 Comment
  RSA230667  Asclepias californica R. F. Thorne, M. Z. Thorne 1969-7-10 38448 Los Angeles Slope from wet Seepage just E of Big Pines Ranger Station 2072 Comment
  VVC3065  Asclepias californica Tim Thomas, P. J. MacKay 2015-5-10 6615 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  RSA0104733  Asclepias eriocarpa LeRoy Gross 2004-6-9 1348 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). 1727 Comment
  IRVC28734  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 NE end of Santa Susana Mtns. 366 Comment
  RSA785814  Asclepias fascicularis K. Dobry 1991-6-13 837 Los Angeles Thousand Oaks Simi Hills on slopes of Metclef ridge. 1/2 mi N. of Olsen Rd off Moorpark Rd. Comment
  RSA191635  Asclepias fascicularis R. F. Thorne, M. Z. Thorne 1966-8-29 36588 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: below fountain near lodge, N end Crystal Lake at upper end of canyon of N Fork of San Gabriel River 1676 Comment
  RSA302216  Asclepias fascicularis Jim Shevock 1970-6-3 272 Los Angeles [Unspecified] 610 Comment
  CATA3522  Asparagus asparagoides Benjamin J. Dion, Morgan Fleming 2018-3-4 003 Los Angeles Santa Catalina Island: Pacific side; under an ironwood grove in the southwest section of the Wells Beach watershed, about 90m downslope from the edge of the Mount Torquemada watershed 364 Comment
  UCR91467  Aspidotis californica Scott D. White 1995-2-7 2538 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd above San Dimas Reservoir. 457 Comment
  CAS-BOT-BC68799  Asplenium vespertinum George L. Moxley 1920-11-28 871 Los Angeles San Gabriel Canyon Comment
  RSA417670  Aster greatae Geo L. Moxley 1914-9-6 274 Los Angeles Little Bear Canyon; San Gabriel Mts. Comment
  POM72485  Astragalus bicristatus I. M. Johnston 1925-8-1 6607 Los Angeles Upper Barrett Canyon, W end Ontario Peak on shady N slope near Cascade-Barrett Canyon divide 2042 Comment
  UCD104700  Astragalus bicristatus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Table Mountain. West slope of summit. Comment
  RSA714887  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  SEINET898809  Astragalus didymocarpus Lois E. James 1947-1 1732 Los Angeles About 1/2 mile W. of Ravenna in Soledad Canyon. Comment
  CAS-BOT-BC182307  Astragalus didymocarpus var. didymocarpus A. C. Sanders; E. J. Lawlor 1988-4-3 7757 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
  POM50159  Astragalus didymocarpus var. didymocarpus L. R. Abrams 1901-4-4 1322 Los Angeles Chatsworth Park. Comment
  POM18190  Astragalus douglasii var. douglasii P. A. Munz 1923-8-31 7696 Los Angeles Mescal Creek, San Gabriel Mountains 1951 Comment
  POM184698  Astragalus douglasii var. douglasii Joseph A. Ewan 1932-5-29 7191 Los Angeles Lower Arrastre Canyon, San Gabriel Mountains 915 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
  RSA640280  Astragalus gambelianus R. F. Thorne 1971-5-18 41365 Los Angeles Santa Catalina Island: White's Landing. 31 Comment
  UC1587642  Astragalus gambelianus Tim Ross 1991-4-21 4556 Los Angeles ridgetop between Turnbull and Sycamore Canyons (Whittier Hills, Puente Hills pro parte); Whittier Hills (Puente Hills, pro parte) 320 Comment
  POM2565  Astragalus lentiginosus var. antonius I. M. Johnston 1917-8-24 1655 Los Angeles San Gabriel Mountains: Prairie fork of San Gabriel River. 1676 Comment
  RSA415563  Astragalus lentiginosus var. variabilis Anstruther Davidson 1926-5-26 s.n Los Angeles Near Llano? Comment
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Aug 8 2010
  SFV6462  Astragalus lentiginosus var. variabilis T. Gordon, W. C. Willig, K. A. Wilson 1974-4-28 215 Los Angeles Mojave Desert Lancaster Blvd. 5 miles south of Rosamond. 710 Comment
  RSA90175  Astragalus lentiginosus var. variabilis F. W. Peirson 1922-7-7 3194 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  POM122391  Astragalus pachypus var. pachypus Marcus E. Jones 1926-6-7 s.n Los Angeles South of Lebec. Comment
  CAS-BOT-BC193024  Astragalus purshii var. tinctus Carl B. Wolf 1937-5-20 8743 Los Angeles Tehachapi Mts., 1 mi. So. of Tejon Pass on Hungry Valley Road 1280 Comment
  UCSB3002  Astragalus trichopodus var. lonchus McElwain, Isabelle 1953-5-2 Los Angeles White's landing, large valley behind, Catalina Island Comment
  RSA0072154  Astragalus trichopodus var. phoxus Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  SFV15338  Atriplex californica J. C. Dittes, P. Dittes 1990-3-17 55 Los Angeles Santa Monica Mountains El Matador State Beach trail. 18 Comment
  UC624992  Atriplex californica F. R. Fosberg 1931-4-29 S 4710 Los Angeles mouth Cottonwood Canyon (cliffs, Santa Catalina Island); Santa Catalina Island, mouth Cottonwood Canyon 5 Comment
  SEINET3930637  Atriplex canescens Grant D. Brown 1950-3-31 529 Los Angeles 2 miles S. of Caswell on highway #99.; 0 Comment
  UCR231076  Atriplex canescens Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range, Bouquet Canyon, south of David Way intersection with Bouquet Canyon Rd. 425 Comment
  SEINET3930675  Atriplex canescens subsp. canescens Timothy S. Ross, Steve Boyd 1994-9-20 8227 a Los Angeles Located 2 miles northwest of Acton. South side of intersection of Escondido Canyon Road and Red Rover Mine Road.; 0 884 Comment
  CAS-BOT-BC170025  Atriplex confertifolia A. D. E. Elmer 1908-6-1 3691 Los Angeles Lancaster Comment
  SBBG65350  Atriplex confertifolia R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  UC217009  Atriplex coulteri Dr. A. Davidson 1892-6-20 Los Angeles Catalina Island Comment
  IRVC28700  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  RSA478290  Atriplex lentiformis subsp. breweri H. L. Bauer 1932-6-1 s.n. Los Angeles Santa Monica Beach road Comment
  UCD97501  Atriplex leucophylla Malcolm A. Nobs 1948-9-8 645 Los Angeles just west of Malibu. Comment
  RSA478285  Atriplex leucophylla Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  UC494401  Atriplex nummularia Philip A. Munz 1932-8-31 12818 Los Angeles on sandy sea-bluff Playa del Rey Comment
  SBBG72586  Atriplex rosea R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  SBBG118707  Atriplex semibaccata O. Mistretta 1992-4-5 179 Los Angeles Guds Comment
  SBBG20563  Atriplex semibaccata E. R. Blakley 1963-12-8 6402 Los Angeles mouth of Horse Beach Cyn, which is first cyn E of China Pt 7 Comment
  RSA453956  Atriplex semibaccata Robert Gustafson 1980-8-8 1893 Los Angeles Ballona Wetlands, Area 2. Comment
  UC55964  Atriplex serenana var. davidsonii Geo. B. Grant April 1902 3660 Los Angeles Los Angeles Comment
  RSA641240  Atriplex serenana var. serenana L. C. Wheeler 1967-7-23 10168 Los Angeles San Gabriel Mountains: Barrell Spring. Comment
  IRVC28673  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  SD252315  Atriplex suberecta Steven A. Junak 2000-10-12 Sca 1408 Los Angeles Santa Catalina Island: At Middle Ranch stables. 198 Comment
  SEINET4136203  Atriplex suberecta Howard C. Stutz 1988-10-4 89149 Los Angeles Grown in BYU greenhouse from seed collected 5 mi N of Lancaster.; 0 Comment
  CDA23341  Atriplex triangularis T. C. Fuller 1963-10-9 11364 Los Angeles West bank of the San Gabriel River at 7th Street bridge, Long Beach. 0 Comment
  RSA248866  Atriplex watsonii R. F. Thorne 1973-4-11 42880 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  SBBG107478  Atriplex watsonii J. Rebman, J. Dunn 1996-4-29 3108 Los Angeles between Eel Pt and Eel Cove, cyn on W side of island, next to ocean 50 Comment
  POM1164  Avena barbata C. F. Baker 1909-4-20 5281 Los Angeles Claremont. 365 Comment
  RSA0108922  Avena barbata R. G. Swinney 2011-3-26 14232 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA654211  Avena barbata Fred Brooks, P. Sobkowiak 1988-4-23 17 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  SBBG31469  Avena barbata R. F. Thorne 1966-4-6 35893 Los Angeles between White and Moonstone Coves 15 Comment
  UC934045  Avena barbata H. L. Cogswell 1951-5-8 86 Los Angeles 3/4 mi n San Dimas Foothill Company Park (base of mts.); San Gabriel Mountains 472 Comment
  RSA601020  Avena fatua L. C. Wheeler 1967-5-13 9513 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons, in vicinity of abandoned lemon grove. 396 Comment
  SBBG127476  Avena sativa M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3020 Los Angeles Parson's Landing 4 Comment
  RSA694977  Azolla filiculoides Anonymous s.n. Los Angeles Pasadena, Calif. Comment
  RSA0008309  Baccharis malibuensis James Henrickson 1993-9-3 22470 Los Angeles 0.3 miles E of Las Virgenes Road along Las Virgenes Canyon Road towards Cottontail Ranch. plant under powerlines on north side of road across from home at 1643 Las Virgenes Canyon Road; On Soka University Property 235 Comment
  SD9151  Baccharis pilularis J. C. Nevin Unknown Los Angeles Newhall Mountains. Comment
  POM350364  Baccharis salicifolia Ora M. Clark 1929-2-3 1495 Los Angeles Topango [Topanga] Canyon Comment
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May 29 2014
  RSA150936  Baccharis salicifolia Peter H. Raven 1962-5-8 17629 Los Angeles Dunes on western side 0.3 mile from the ocean, opposite Wilson cove, San Clemente Island. 12 Comment
  RSA702251  Baccharis salicifolia Gary D. Wallace 1984-12-9 2158 Los Angeles Monrovia: Gold Hill 274 Comment
  UCR212772  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1773 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, [San Dimas Canyon] downstream from San Dimas Dam 405 Comment
  UCR219437  Baccharis salicifolia R. G. Swinney 2009-3-28 10180 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  SDSU6389  Baccharis salicifolia subsp. salicifolia Gerald Collier 1951-5-5 M 536 Los Angeles Santa Ana Canyon, San Gabriel Mtns. About 2 miles up canyon from chantry falt trail base - along stream. Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 Comment
  JEPS31166  Balsamorhiza deltoidea Ernest C. Twisselmann 1962-4-18 6970 Los Angeles at Oso Corrals (Oso Canyon, Tejon Ranch); Oso Canyon 1005 Comment
  POM350806  Bellis perennis N. C. Cooper 1945-3-9 1691 Los Angeles Campus, USC. Los Angeles, Calir. Comment
  UC1126302  Berberis aquifolium var. dictyota Jerome S. Horton 1937-4-22 433 Los Angeles stream below Tanbark; Pomona Quadrangle 792 Comment
  RSA3831  Berberis nevinii C. B. Wolf 1927-7-27 682 Los Angeles 0.5 miles south of San Fernando Comment
  CAS-BOT-BC169398  Betula Antone Blazic 1923-3-2 2 Los Angeles Los Angeles Comment
  UC75843  Bidens laevis Geo. B. Grant 107 Los Angeles Sherman leal Comment
  RSA367314  Bloomeria crocea var. crocea F. R. Fosberg 1931-4-22 s 4668 Los Angeles Middle Ranch Canyon. Santa Catalina Canyon. 220 Comment
  CHSC83650  Boechera arcuata John Dittes; Chris Williams 1989-4-29 5 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Upper Big Tujunga Creek; ca. 0.25 mi. downstream of bridge to Camp Colby. On upper slope above creek bank. 929 Comment
  UC205868  Boechera californica I. M. Johnston 1918-3-21 1973 Los Angeles between Upland and Claremont (San Antonio Canyon Wash); San Antonio Canyon 365 Comment
  RSA0129470  Boechera pulchra R. G. Swinney 1998-7-2 6237 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SD255607  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mountains: Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Road/Morgan Canyon, in dedicated open space. (Glendora 7.5'Q) 366 Comment
  SBBG32157  Brachypodium distachyon R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -316 Los Angeles mouth of Descanso Cyn 30 Comment
  RSA0119759  Brassica geniculata R. G. Swinney 2014-5-27 16670 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  SBBG20550  Brassica geniculata E. R. Blakley 1963-12-7 6374 Los Angeles 200 yds SE of new air strip 60 Comment
  UCR258939  Brassica rapa R. G. Swinney 2010-2-27 11765 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
  CAS-BOT-BC100430  Brickellia californica I. M. Johnston 1917-7-31 1536 Los Angeles Icehouse [Canon] Canyon 2209 Comment
  LA31693  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14725 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  RSA292479  Brickellia nevinii James Henrickson 1972-11-2 8103 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  CAS-BOT-BC483122  Brodiaea jolonensis W. S. Lyon 1884-5-1 s.n. Los Angeles Saltworks Comment
  UC557783  Brodiaea kinkiensis Nell Murbarger May 1936 219 Los Angeles San Clemente Island Comment
  POM364038  Bromus Robert M. Perkins 1936-2-23 95 Los Angeles Los Angeles. Comment
  RSA187201  Bromus arizonicus Le Roy Abrams 1929-3-14 12635 Los Angeles Hollywood. Comment
  RSA545167  Bromus arizonicus Timothy S. Ross 1992-4-14 6190 Los Angeles San Clemente Island: 20-40 meters ENE of the intersection of the new Lemon Tank Road and main N-S island access road 340 Comment
  SEINET901459  Bromus arizonicus G. B. Grant 5 117 Los Angeles Pasadena Comment
  UCD59207  Bromus carinatus var. marginatus August L. Hormay 1932-7-30 s.n. Los Angeles Los Angeles vicinity. Comment
  CHSC35204  Bromus catharticus James Henrickson 1979-5-18 18119 Los Angeles Ca 2 miles SE of Newhall, N of San Fernando Road, ca 1 mile NW of Hwy 14; S of creek in pastured area. 402 Comment
  CAS-BOT-BC156113  Bromus diandrus John H. Thomas 1957-5-17 6765 Los Angeles Los Angeles. Occidental College Campus. Near Moore Laboratory. Comment
  LA105374  Bromus diandrus Barry A. Prigge; 1989-4-23 8477 .1 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  RSA536079  Bromus diandrus Timothy S. Ross 1991-5-21 5424 Los Angeles San Clemente Island: upper reaches of Box Canyon, SW side of island. 366 Comment
  RSA592358  Bromus diandrus L. C. Wheeler 1967-5-9 9406 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  SBBG106882  Bromus diandrus M. L. Hoefs, R. F. Thorne 1996-4-6 2602 Los Angeles Pebbly Beach 6 Comment
  SBBG128332  Bromus diandrus S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 38 Los Angeles Deer Valley Trail 92 Comment
  SD181773  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles LA Basin region, Verdugo Mtns, N side, Hostetter Mtn Way, off of La Tuna Cyn Rd; Burbank [quad]. Near a seep along dirt fire road, on N-facing slope. Above the seep on a steep dry cliff & slope that appears to have moisture creep. 671 Comment
  UC1870330  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles [Transverse Ranges; Verdugo Mountains region]; Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  RSA658370  Bromus hordeaceus subsp. hordeaceus Naomi Zohman 1985-4-28 47 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  LA105381  Bromus madritensis Peter H. Raven; 1989-4-23 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  CATA771  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-6-5 1330 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  UC285018  Bromus madritensis subsp. rubens P. A. Munz 1923-4-10 6711 Los Angeles San Clemente Island Comment
  SEINET3924108  Bromus mollis Jack Delaini, Ken Zakar 1974-4-30 156 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest.; 0 792 Comment
  RSA585317  Bromus rubens Timothy S. Ross 1991-4-27 4651 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
  RSA670945  Bromus rubens Joseph M. Keefe 2001-3-19 31145 Los Angeles San Rafael Mountains: Ravine 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, 91208. 466 Comment
  RSA0019955  Bromus tectorum L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  RSA0019958  Bromus tectorum Gary D. Cromwell, David W. Wheat 1971-5-14 661 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora. 564 Comment
  RSA92054  Bromus tectorum F. W. Peirson 1923-5-26 4334 Los Angeles Rock Creek Divide 2011 Comment
  RSA0035043  Calandrinia ciliata var. menziesii Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga. 304 Comment
  RSA0025287  Callistemon viminalis R. E. Riefner Jr. 2010-5-31 10 -41 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, E of Vermont Ave. and N of West Anaheim St. Elevation less than sea level. 0 Comment
  CAS-BOT-BC80412  Calocedrus decurrens Timothy S. Ross; Steve Boyd 1994-9-21 8319 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route 1277 Comment
  UCSB249  Calocedrus decurrens Wedberg, Lee 1954-5-24 Los Angeles Charlton Flat, L.A Co.; Middle mountain forest 1676 Comment
  RSA791804  Calochortus Mark Elvin, Margie P. Elvin, Katie Elvin, Andy Elvin 2003-7-1 2964 Los Angeles Western Transverse Range; Santa Susana Mountains: crest of the mountains at head of Salt Creek, 6.5 km southwest of Stevenson Ranch. 927 Comment
  SBBG108131  Calochortus catalinae S. L. Crockett, S. Schueller 1997-3-8 560 Los Angeles point overlooking Cottonwood beach, ca. 25 m W of rd 79 Comment
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Sep 10 2007
  UC535509  Calochortus catalinae Ira W. Clokey, B. Templeton Apr 1929 4426 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  UCR259598  Calochortus catalinae R. G. Swinney 2010-6-8 13178 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  JEPS85104 Image available Calochortus clavatus Roy E. Buck and Rexford Palmer 1989-4-28 1223 Los Angeles ca 1.1 air km ene Pyramid Rock summit (22 air km nw of Castaic, between Interstate 5 and Pyramid Dam, on crest of n-s-extending spur ridge, e of small draining cyn s of Posey Cyn) 914 Comment
  LA22349  Calochortus clavatus Carl Epling; 1931-5-9 22349 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCR126693  Calochortus clavatus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26132 Los Angeles Western San Gabriel Mtns., 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 518 Comment
  RSA377328  Calochortus clavatus var. clavatus C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  UCD139497  Calochortus clavatus var. clavatus Jason Grajeda 1995-5-7 s.n. Los Angeles Santa Clarita, Santa Susanna Mountains, Ed Davis Park, Wiley Canyon, off Old Road. 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
  SBBG122014  Calochortus clavatus var. gracilis A. Parikh, N. Gale 2003-5-28 749 Los Angeles Bee Cyn just N of Soledad Cyn Rd, 0.3 km NE of confluence of Bee Cyn and Santa Clara River; SE Liebre Mtns 585 Comment
  UCR20223  Calochortus invenustus T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns, Mt. Gleason 1829 Comment
  UCR192956  Calochortus plummerae Dan S. Cooper 2008-5-12 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, along footpath up ridge just above Sunset Ranch Stables, Los Angeles 335 Comment
  RSA188244  Calochortus splendens Robert F. Thorne 1965-6-22 34855 Los Angeles Santa Catalina Island: along road to Renton Mine. 122 Comment
  RSA369058  Calochortus splendens Robert L. Dressler 1949-6-19 895 Los Angeles Johnstone Peak, vicinity, San Gabriel Mts. 854 Comment
  SFV21850  Calochortus splendens J. D. Dilley 1997-5-2 s. n. Los Angeles Santa Monica Mountains Mulholland Highway, 0.3 miles west of Cold Canyon Road. 275 Comment
  SEINET3885359  Calochortus splendens Louis C. Wheeler 1947-6-13 6516 Los Angeles San Gabriel Mountains: Mesa south of San Antonio Canyon.; 0 Comment
  SBBG57799  Calochortus venustus R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  LA204511  Calycanthus occidentalis Frank C. Vasek; June 1952 sn Los Angeles Kings Canyon Comment
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May 26 2015
  CHSC100398  Calyptridium monandrum John Dittes; Josephine Guardino 2008-2-23 1503 Los Angeles Western Transverse Ranges; Santa Gabriel Mtns.; Big Tujunga Cyn; ca. 2.4 air-miles SE of Mt. McKinley, ca. 4.3 air-miles NE of Mt. Gleason Jr. Highschool; near Delta Flat Picnic Area; alluvial terrace north of Big Tujunga Creek. 529 Comment
  LA82409  Calyptridium monandrum O. H. Kappler; 1944-5-7 607 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido, N slope near fire station. 304 Comment
  UC1136684  Calyptridium monandrum Jerome S. Horton 1936-5-4 318 Los Angeles divide between North Fork and West Fork (San-Dimas Watershed, San Dimas Canyon, West Fork Road); San Dimas Experimental Forest, San Dimas Canyon, West Fork R 762 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 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
  UCR271974  Calyptridium monandrum R. G. Swinney 2011-5-31 14892 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
  CATA1084  Calystegia macrostegia Mark L. Hoefs 1995-5-16 2034 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SD66870  Calystegia macrostegia R. Mitchel Beauchamp 1967-3-18 317 Los Angeles San Clemente Island; in field west of Wilson Cove. Comment
  LA50080  Calystegia macrostegia subsp. intermedia Virginia Mars; 1951-3-30 sn Los Angeles Santa Monica Mountains, Westwood Blvd., U.C.L.A. Campus Comment
  RSA394871  Calystegia macrostegia subsp. intermedia Edwin Kline 1926-5-31 s.n. Los Angeles Coast Range, Los Angeles. Comment
  RSA646093  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1993-6-2 853 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2011 Comment
  RSA71120  Calystegia occidentalis subsp. fulcrata F. W. Peirson 1919-6-14 497 Los Angeles Rock Creek. 1905 Comment
  CAS-BOT-BC215911  Calystegia peirsonii Timothy S. Ross; Steve Boyd 1994-5-24 7851 Los Angeles North slopes draining toward Elizabeth Lake, south slopes toward Green Valley, Northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  CAS-BOT-BC172765  Camissonia bistorta Timothy S. Ross; Steve Boyd 1994-5-4 7618 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  IRVC26345  Camissonia bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  RSA0080778  Camissonia bistorta R. G. Swinney 2010-4-13 12201 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon. 561 Comment
  RSA507987  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  SEINET4044557  Camissonia californica D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  JEPS33758  Camissonia campestris W. L. Jepson 1935-4-17 17035 Los Angeles Lancaster w. Mohave Desert 716 Comment
  RSA772523  Camissonia campestris R. G. Swinney 2009-5-13 10762 Los Angeles upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills. 1122 Comment
  RSA587263  Camissonia campestris subsp. campestris Orlando Mistretta 1994-5-13 1214 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA682581  Camissonia campestris subsp. campestris Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 4 Los Angeles Gorman Pass, Tejon Ranch. Comment
  RSA448985  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA448990  Camissonia hirtella Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  RSA775516  Camissonia intermedia Orlando Mistretta, Christine Mistretta 2010-5-20 5177 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA0069428  Camissonia micrantha R. G. Swinney 2010-3-11 11871 Los Angeles San Gabriel Mountains/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA587250  Camissonia pallida subsp. pallida Orlando Mistretta 1994-5-13 1198 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  UCR282042  Camissonia pallida subsp. pallida R. G. Swinney 2014-4-18 16111 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  RSA703391  Camissonia pallida subsp. pallida Gary D. Wallace, Ann Hiller 1983-5-18 2062 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  UCR198512  Camissonia strigulosa Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  UCR250925  Camissonia strigulosa Jeremiah George, Audrey George 2014-1-21 s.n. Los Angeles Torrance, just south of Sepulveda Blvd., adjacent to Madrona Ave. 26 Comment
  SD181432  Camissonia strigulosa Louis C. Wheeler 1973-4-29 Los Angeles San Gabriel Mountains; north of Mill Canyon off Soledad Canyon near Ravenna. 715 Comment
  SEINET5344152  Camissoniopsis cheiranthifolia N. K. Berg 2004-8-3 s.n. Los Angeles Redondo Comment
  UC306304  Camissoniopsis hirtella D. L. Crawford 1915-6-30 Los Angeles mts. above Claremont 2133 Comment
  UC634893  Canbya candida Herbert L. Mason 1926-4-26 3020 Los Angeles Little Rock Creek Mojave Desert Comment
  UCSB22515  Canbya candida Anthony, Jean 1965-5-7 Los Angeles 213th Street just south of Highway 138 east of Pearblossom 914 Comment
  RSA530950  Capsella bursa-pastoris Samuel R. Tyson 1943-3-21 s.n. Los Angeles Sam Dimas Canyon, LA county. 488 Comment
  UCSB9461  Cardamine californica Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Dalton Canyon from Glendora Mtn. Road; San Gabriel Mtn range; Pacific Ocean drainage area 762 Comment
  RSA801743  Cardaria pubescens D. M. McF, G. C. F. 1954-5-18 s.n. Los Angeles A and 70th. Lancaster. 762 Comment
  RSA441731  Cardionema ramosissimum I. M. Johnston 1917-6-10 1268 Los Angeles Near Mesmer. Comment
  RSA603207  Carex alma L. C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA764356  Carex alma Scott D. White 2004-8-11 10716 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA771597  Carex alma R. G. Swinney 2009-6-2 11002 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SEINET3897002  Carex alma Timothy S. Ross, Steve Boyd; Steve W. Burns 1994-7-6 8111 Los Angeles Tributary of Clearwater Canyon: Fork area of major blueline tributary which drains southward from Tule Ridge and joins Clearwater Canyon at Plum Spring. Green Valley 7.5' USGS Quadrangle.; 0 814 Comment
  UCR168038  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA602747  Carex fracta L. C. Wheeler 1967-8-1 10200 Los Angeles San Gabriel Mountains, Angeles National Forest: Fountainhead Spring, E slope Mt. Pacifico. 2012 Comment
  UCR192655  Carex fracta R. G. Swinney 1999-8-16 7659 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA0102545  Carex multicaulis Richard G. Swinney 2011-6-7 15103 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due 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
  SEINET3128314  Carex multicaulis Unknown 1904-5-17 138 /6223 Los Angeles Mt. Wilson Comment
  RSA225812  Carex phaeocephala Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41063 Los Angeles San Gabriel Mountains, Angeles National Forest: N-facing ridge of Mt. San Antonio along trail to Dawson Peak. 2927 Comment
  CAS-BOT-BC118410  Carex praegracilis H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA660255  Carex schottii Orlando Mistretta, Peter L. Morrell 1992-6-4 503 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  UC212125  Carex subfusca I. M. Johnston 1917-8-23 1636 Los Angeles Pine Mt. San Antonio Mountains 2438 Comment
  RSA589317  Carex tumulicola Timothy S. Ross 1995-5-21 8612 Los Angeles San Clemente Island: West fork at the head of Snail Canyon , bottom of draw. 238 Comment
  UCR156107  Carthamus baeticus A. C. Sanders 2005-5-5 29884 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  POM156315  Castilleja affinis L. R. Abrams 1903-3-13 3122 Los Angeles San Gabriel Wash Near Azusa Comment
  RSA0073123  Castilleja affinis Sabrina Lawrence-Gomez, Alexandria Cheung, Daniel Kasang, Miller Zou, Sarah Ratay 2011-7-8 34 Los Angeles Santa Catalina Island. Deer Valley Trail. 92 Comment
  LA94902  Castilleja affinis subsp. affinis K. Larson; J. Neel 1950-4-2 29 Los Angeles 365 Comment
  UCSB72244  Castilleja affinis subsp. affinis Morales, M. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, .65 miles from its junction with Avalon Canyon Road, on Santa Catalina Island. 213 Comment
  SEINET3079362 Image available Castilleja angustifolia var. dubia Norman C. Cooper 1948-4-21 2667 Los Angeles Littlerock 762 Comment
  UCR146697  Castilleja applegatei Scott D. White 2004-8-11 10714 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  UC1408948  Castilleja applegatei subsp. martinii Donald R. Bissing 1973-4-6 36 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 762 Comment
  RSA145410  Castilleja applegatei subsp. martinii Gale Sphon 1959-6-27 384 Los Angeles Icy Springs, Big Rock Canyon, Angeles National forest, San Gabriel Mountains. Comment
  RSA448686  Castilleja applegatei subsp. martinii M. B. Dunkle 1933-7-11 s.n. Los Angeles Upper San Gabriel Canyon, above dams; Cold Brook Camp. Comment
  SFV3410  Castilleja exserta H. L. Bauer 1941-4-20 635 Los Angeles El Segundo. Sand dunes. 30 Comment
  JEPS88978  Castilleja grisea Mark Egger and Jennifer Stone 1995-4-15 679 Los Angeles Pyramid Head area, lowest terrace, NW base of Balanced Rock, ca. 50 m from sea San Clemente Island Comment
  SD136135  Castilleja grisea Mark Elvin, Gery Allan 1995-5-21 18 Los Angeles San Clemente Island: W side of island, in S branch of Horse Beach Canyon on lower terrace Comment
  SBBG66917  Castilleja miniata subsp. miniata E. Crow 1930-6-29 Los Angeles trail below Crystal Lake Comment
  UCR270262  Castilleja minor subsp. spiralis R. G. Swinney 2011-10-10 15720 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
  CHSC98009  Castilleja plagiotoma LeRoy Gross 2005-6-23 2374 Los Angeles Transverse Ranges; San Gabriel Mountains region: Road servey for Angeles National Forest: from Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. All road surveys within this 4 miles stretch. In dry chaparral and pine forest. West of Pinyon Flats. 1642 Comment
  RSA81452  Castilleja plagiotoma F. W. Peirson 1921-7-3 2727 Los Angeles Blue Ridge, south of Swartout Valley 2287 Comment
  UC314531  Caulanthus amplexicaulis Marcus E. Jones, A. M. 1926-7-8 Los Angeles San Antonio Peak Comment
  RSA0086389  Caulanthus amplexicaulis var. amplexicaulis Wandalee Thompson 1963-7-1 32793 Los Angeles Pine Canyon, 3-1/2 miles W of Lake Hughes. 1158 Comment
  SBBG47543  Caulanthus lasiophyllus M. B. Dunkle 1929-4-7 2084 Los Angeles White's Landing Comment
  RSA706216  Ceanothus cordulatus Tim Thibault, K. E. Olshewsky 2004-5-23 287 Los Angeles Mt. Williamson. 2074 Comment
  RSA398870  Ceanothus crassifolius Robin S. Collins 1973-4-9 232 Los Angeles Angeles National Forest, San Gabriel Mounts: Trail Canyon. 610 Comment
  UC1071026  Ceanothus crassifolius L. B. Burkett 1928-2-28 100 Los Angeles w Little Dalton Canyon (on trail); Pomona 685 Comment
  RSA599482  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-26 9346 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA777877  Ceanothus greggii R. G. Swinney 2009-6-8 11101 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0022364  Ceanothus integerrimus Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5118 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA773847  Ceanothus integerrimus R. G. Swinney 2009-7-29 11443 Los Angeles Pacifico Mountain summit. 2134 Comment
  CAS-BOT-BC50553  Ceanothus leucodermis Timothy S. Ross; Steve Boyd 1994-5-4 7669 Los Angeles Liebre Mountains - Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward 1389 Comment
  LA30345  Ceanothus leucodermis Mary V. Hood; 1939-5-29 39- 54 -k* Los Angeles San Gabriel Mountains, Chilao Flats 1584 Comment
  SD37628  Ceanothus megacarpus Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  RSA305375  Ceanothus megacarpus var. insularis D. C. Michener, John Dourley, B. Haner, D. Pettys, M. Hoefs 1983-6-6 4290 Los Angeles Santa Catalina Island. Along main road from Avalon to airport. 2.3 miles from airport. Comment
  SDSU19648  Ceanothus megacarpus var. megacarpus Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2206 Los Angeles San Clemente Island, south side of Eagle Canyon. 457 Comment
  CAS-BOT-BC50494  Ceanothus oliganthus Lester Rowntree 1938-3-8 s.n. Los Angeles Santa Susan Pass Comment
  POM177946  Ceanothus oliganthus Joseph A. Ewan 1931-3-21 4077 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  RSA95351  Ceanothus oliganthus F. W. Peirson 1927-3-19 7116 Los Angeles Seminole Hot Springs. Santa Monica Mts. Comment
  LA42087  Ceanothus spinosus M. Epling; Carl Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA52234  Ceanothus spinosus A. M. Johnson; 1934-4-20 4438 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA535896  Ceanothus spinosus Tim S. Ross 1991-9-2 5941 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  RSA0048648  Ceanothus spinosus Robin J. Tausch 1963-3-2 s.n. Los Angeles Woodcrest Road, Santa Monica Mountains, 1.5 miles S. Ventura Blvd. 457 Comment
  UCR223807  Ceanothus vestitus R. G. Swinney 2009-6-17 11163 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  RSA674580  Centaurea maculosa Scott D. White 2000-8-25 8128 Los Angeles San Gabriel Mts: Tanbark Flats, in San Dimas Experimental Forest. 732 Comment
  UC894386  Centaurea melitensis L. W. Nuttall 1920-1-1 74 Los Angeles Santa Catalina Island Comment
  LA94401  Centaurea melitensis Carl Epling; 1926-5-8 Los Angeles Santa Monica Mountains, Topango Canyon Comment
  RSA527699  Centaurea melitensis Timothy S. Ross, Annette Ross 1991-6-3 5517 Los Angeles Elephant Hill: West Pomona 230 Comment
  RSA656178  Centaurium venustum Joseph M. Keefe 1978-6-4 23330 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  SBBG62304  Centrostegia thurberi R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UCD98850  Centrostegia thurberi Steve Boyd; Orlando Mistretta 1986-3-31 1542 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/Hwy 18 NE of Pinyon Hills. Comment
  UC52626  Centrostegia thurberi var. thurberi Dr. A. Davidson 1896-1 Los Angeles Lancaster Comment
  UC584111  Centrostegia thurberi var. thurberi David D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi s of Palmdale Comment
  CATA1015  Cerastium glomeratum Mark L. Hoefs 1995-5-4 1930 Los Angeles Santa Catalina Island: Above Howlands Landing 60 Comment
  JEPS51335  Cerastium glomeratum Frank W. Peirson 1919-5-18 438 Los Angeles Monrovia Canyon San Gabriel Mts., Monrovia Canyon 457 Comment
  UCR271753  Cerastium glomeratum R. G. Swinney 2011-3-26 14223 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. 524 Comment
  SBBG17472  Cercocarpus betuloides var. betuloides K. A. Wilson 1962-5-12 1278 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UC750569  Cercocarpus betuloides var. betuloides Lewis S. Rose 1946-7-23 46243 Los Angeles above Hollywood (Mulholland Drive); Santa Monic Mountains, Mulholland Drive 365 Comment
  UCSB6976  Cercocarpus betuloides var. betuloides Ralph, F. 1959-5-15 Los Angeles Near a wash in Mint Canyon, near a campground on U.S. Hwy. 6, 7.9 miles northeast of jct. with Soledad Canyon Rd. 457 Comment
  RSA161096  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  SBBG13804  Cercocarpus betuloides var. blancheae M. A. Piehl 1962-10-3 62516 Los Angeles head of Whites Cyn along main rd near ironwood enclosure Comment
  CAS-BOT-BC147722  Cercocarpus betuloides var. traskiae Robert F. Thorne; Reed Rollins; Doug Propst; R. Carolin 1967-3-18 36735 Los Angeles Santa Catalina Island: (Wild Boar Gully), ca. 1 mi WNW of Salta Verde Pt. 198 Comment
  RSA449450  Cercocarpus ledifolius Anstruther Davidson 1906-6-1 s.n. Los Angeles Rock Creek Comment
  POM6063  Chaenactis artemisiifolia Otis Hiatt 1906-6-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA351642  Chaenactis artemisiifolia Geo L. Moxley 1915-7-19 388 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  UCR205894  Chaenactis glabriuscula R. G. Swinney 2008-5-5 8758 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  SFV3813  Chaenactis glabriuscula M. Terrusa 1959-3-4 s. n. Los Angeles Santa Monica Mountains Malibu Canyon, Mulholland Drive. Comment
  CAS-BOT-BC277366  Chaenactis glabriuscula var. glabriuscula Cecil Hart 1923-6-17 s.n. Los Angeles San Gabriel River Comment
  CDA30210  Chaenactis glabriuscula var. glabriuscula J. Dittes 2006-5-3 1386 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Cyn.; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-mile southwest of Condor Peak., ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd 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
  RSA29678  Chaenactis glabriuscula var. glabriuscula L. C. Wheeler 1933-7-4 1901 Los Angeles San Gabriel Mountains: San Dimas Canyon 640 Comment
  CAS-BOT-BC277361  Chaenactis glabriuscula var. glabriuscula Barbara T. Keller 1974-4-28 1207 Los Angeles 3/4 mile northwest of Cajon along Highway 138 944 Comment
  POM184672  Chaenactis glabriuscula var. glabriuscula Joseph A. Ewan 1932-5-30 7231 Los Angeles Mill Creek at Coldwater Creek junction; Tujunga Drainage Comment
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Mar 9 2015
  UC1184978  Chaenactis glabriuscula var. glabriuscula Huron H. Smith 1912-5-3 4916 Los Angeles Azuza 243 Comment
  CAS-BOT-BC277516  Chaenactis glabriuscula var. lanosa G. B. Grant 1902-5-5 4932 Los Angeles Lincoln Park Comment
  RSA301932  Chaenactis glabriuscula var. lanosa J. R. Shevock 1971-5-11 1051 Los Angeles Sierra Hwy, near Soledad Jct. 579 Comment
  CAS-BOT-BC279720  Chaenactis xantiana D. E. Breedlove 1962-5-12 2705 Los Angeles Eastern edge of Gorman 1219 Comment
  SBBG118765  Chaenactis xantiana L. Gross with P. Morton 2004-6-9 1340 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1688 Comment
  UCSB7214  Chaenactis xantiana Wedberg, H. 1957-4-19 Los Angeles 0.5 mi. E. Pearblossom 914 Comment
  LA210141  Chamaesyce serpillifolia subsp. hirtula Arthur C. Gibson; 2007-8-15 5213 Los Angeles Santa Monica Mountains, Entering Lake Malibou 200 m. from bridge off Lake Vista Dirve Comment
  RSA685720  Cheilanthes covillei Samuel R. Tyson 1942-4-9 s.n. Los Angeles San dimas Cayon 1372 Comment
  SEINET10470300  Cheilanthes fendleri Jason R. Grant, W. Wheeler 1904-5-17 Grant UMO 32272 Los Angeles Collected at Mt. Wilson, southern California. In crevices of rocks. 1524 Comment
  UCR163182  Chenopodium Anuja Parikh, Nathan Gale 2004-6-21 2055 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  RSA0114180  Chenopodium album Steven A. Junak 2000-6-30 SCa- 1355 Los Angeles Santa Catalina Island. At upper end of Little Harbor, near camp area, campground (N end). 8 Comment
  SJSU2916  Chenopodium album C. W. Sharsmith 1966-1-1 7435 Los Angeles Tujanga Comment
  RSA732722  Chenopodium album var. album A. C. Sanders 2002-7-20 25220 Los Angeles NE end of Santa Ana Mtns: Santa Clara River bottom at confluence with castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river. 290 Comment
  UCR127887  Chenopodium album var. lanceolatum A. C. Sanders, Mark Elvin 2002-6-20 25220 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  SFV21094  Chenopodium berlandieri L. Gross, V. Soza, N. Gilbert 2000-10-18 275 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Roadside near above coordinates. 610 Comment
  UCR210246  Chenopodium berlandieri R. G. Swinney 2008-9-10 9421 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek 1463 Comment
  RSA729382  Chenopodium fremontii R. G. Swinney 1998-7-14 6457 Los Angeles north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat. 1890 Comment
  SBBG130603  Chenopodium macrospermum S. A. Junak 2000-10-12 SCa 1411 Los Angeles N side of Thompson Reservoir 195 Comment
  SBBG11637  Chenopodium murale P. H. Raven 1962-5-9 17645 Los Angeles rd just N of Guds 249 Comment
  UCR100617  Chenopodium murale B. G. Pitzer 1996-5-5 2862 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  CAS-BOT-BC179031  Chorizanthe brevicornu var. brevicornu Robert F. Thorne 1973-5-11 43467 Los Angeles 1 mi W of San Gabriel Mts., Mojave Desert slope: 1/4 - 1/2 mi N of Bob's Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano 1158 Comment
  RSA616370  Chorizanthe staticoides Scott D. White, Pam De Vries 1998-4-20 6325 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. 580 Comment
  RSA681892  Chorizanthe staticoides Scott D. White, Michael Honer 2003-6-18 9568 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
  UCD99996  Chorizanthe staticoides A. C. Sanders 2005-5-5 29872 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. 457 Comment
  UCR190452  Chorizanthe staticoides R. G. Swinney 2000-5-6 7667 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 Comment
  UCSB1354  Chorizanthe staticoides Nowell, J. 1958-5-16 Los Angeles Mint Canyon, 9 mi. from Solemint, Hwy 6. Comment
  RSA65271  Chorizanthe uniaristata F. W. Peirson 1918-6-16 394 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  RSA392769  Chorizanthe watsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA579511A  Chorizanthe xanti var. xanti Tim S. Ross, S. D. Boyd 1994-6-23 8066 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
  UCR269119  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-5-2 2601 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 48 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1085 Comment
  UCR18622  Chrysothamnus nauseosus J. D. Pinto, Greg Ballmer 1971-10-20 s.n. Los Angeles Western Mojave Desert, 4 mi north of Lancaster 701 Comment
  POM122622  Chrysothamnus nauseosus subsp. consimilis Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  CHSC3733  Cirsium occidentale Suesie Boergadine 1966-5-12 Los Angeles San Raphael Mts. 213 Comment
  UC284811  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  UC187602  Cirsium occidentale var. occidentale Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  RSA643264  Cirsium vulgare R. D. Goeden, D. W. Ricker 1972-5-19 s.n. Los Angeles San Jose Hills: Bonelli Regional Park, S of Puddingstone Reservoir, along Via Verde 1/2 mile east of 210 Freeway, between Pomona and San Dimas 305 Comment
  RSA529890  Cistus ladanifer T. S. Ross 1991-8-16 5798 Los Angeles Woodwardia canyon, San Gabriel Mtns (N of Pasadena) 819 Comment
  SDSU21257  Clarkia affinis S. H. Bullock 1968-5-22 146 Los Angeles Claremont, n. side of Foothill Blvd. at Harvard Ave. 366 Comment
  LA45535  Clarkia bottae W. R. Ernst; May 1947 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SBBG17117  Clarkia cylindrica subsp. cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles Placerita Cynm, ca. 1 mi E of Hwy 6 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
  UC58862  Clarkia dudleyana B. L. Smith 1900-5-20 39 Los Angeles Burbank Canyon Claremont Comment
  UCR178781  Clarkia dudleyana R. G. Swinney 1969-5-29 s.n. Los Angeles San Gabriel Mtns., Glendora, Glendora Wilderness park, 1 mile NE of Glendora Mtn. Road in Big Dalton Canyon 421 Comment
  RSA670696  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  POM199780  Clarkia epilobioides I. W. Clokey 1929-05 4533 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  SBBG131619  Clarkia epilobioides S. A. Junak 1999-4-24 SCa 877 Los Angeles E of Empire Landing Rd 182 Comment
  RSA518520  Clarkia heterandra F. C. Vasek 1964-5-27 640528 -1 Los Angeles Sierra Nevada Mtns. 1.7 mi. below top of Eugene Grade [Greenhorn Mountains] 1463 Comment
  HSC16266  Clarkia purpurea C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  CATA1587  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2857 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  CATA727  Clarkia purpurea subsp. quadrivulnera Mark L. Hoefs 1991-5-18 1238 Los Angeles Santa Catalina Island: Upper Middle Ranch Canyon 329 Comment
  POM155810  Clarkia purpurea subsp. quadrivulnera M. B. Dunkle 1928-4-21 1870 Los Angeles Santa Catalina Island. Renton Mine Road 274 Comment
  CHSC35415  Clarkia unguiculata James Henrickson; E. Parker 1973-6-8 10647 Los Angeles Santa Monica Mts., 1/2 mile N of Topanga, on ridge above Topanga School. 259 Comment
  UCR124444  Clarkia unguiculata I. W. Clokey, B. C. Templeton 1929-1 4540 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA775863  Claytonia exigua subsp. exigua Orlando Mistretta, Christine Mistretta 2010-5-26 5197 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor 1463 Comment
  UCR192162  Claytonia exigua subsp. exigua A. C. Sanders 2008-4-18 34965 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  CAS-BOT-BC439507  Claytonia parviflora subsp. parviflora C. F. Baker 1909-4-19 5332 Los Angeles Claremont Comment
  RSA597780  Claytonia parviflora subsp. parviflora Steve Boyd, Lauren Raz 1997-3-14 9174 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  RSA656486  Claytonia parviflora subsp. parviflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 719 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  UCR197762  Claytonia parviflora subsp. parviflora Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 62 A Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UC412623  Claytonia perfoliata subsp. mexicana unknown 1905-4-16 797 Los Angeles Pasadena Comment
  CAS-BOT-BC439960  Claytonia perfoliata subsp. mexicana Louis C. Wheeler 1933-4-15 1635 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  RSA466696  Claytonia perfoliata subsp. perfoliata John E. Marble 1898-3-17 202 Los Angeles Elysian Park. Comment
  LA52250  Clematis lasiantha W. O. Griesel; 1936-3-8 sn Los Angeles 472 Comment
  RSA702433  Clematis lasiantha Scott D. White 2004-7-28 10663 Los Angeles San Gabriel Mountains: 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
  UCR273386  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  POM156361  Cleome isomeris L. R. Abrams 1902-6-10 2509 Los Angeles Near Playa del Rey. Comment
  LA52020  Collinsia heterophylla Henry J. Thompson; 1960-5-14 3061 Los Angeles Santa Monica Mountains, Saddle Peak, just E of peak 701 Comment
  UCR88702  Collinsia heterophylla Scott D. White, Chet McGaugh 1995-5-9 2982 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  LA105379  Collinsia parryi Barry A. Prigge; 1989-4-23 8484 Los Angeles Santa Susana Mountains, Devil Canyon: 1.4 air mi. NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  UC1971291  Collinsia parryi Russell S. Woglum 1942-5-20 3330 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest Comment
  RSA0117334  Collinsia parryi Louis C. Wheeler 1934-4-6 2504 Los Angeles San Dimas Canyon 1/4 mile above Dam, San Gabriel Mountains. 427 Comment
  RSA0117384  Collinsia parryi F. W. Peirson 1919-4-19 4719 Los Angeles Pacoima Canyon. 549 Comment
  RSA470546  Conium maculatum F. R. Fosberg 1930-7-3 S- 3037 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  SFV21459  Conium maculatum L. Gross, S. Larson, V. Soza 2001-5-31 386 Los Angeles Verdugo Mountains Southeast side of mountains. At mouth of Dead Horse Canyon along road (Heather Ridge Drive) where paved road ends. 305 Comment
  RSA649825  Conium maculatum Matt Brooks 1988-5-7 46 Los Angeles Whittier, Dark Canyon 2.0 miles east of its confluence with Sycamore Canyon. Comment
  SD86323  Constancea nevinii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3247 Los Angeles San Clemente Island; on cliffs above beach southeast of Wilson Cove. 60 Comment
  CSUSB646  Convolvulus arvensis Art Whistler 1966-5-1 Los Angeles Woodland Hills. 22633 Sylvan Street Comment
  CAS-BOT-BC286124  Conyza canadensis Ernest C. Twisselmann 1970-9-8 17481 Los Angeles Mojave Desert. Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  POM155785  Conyza canadensis M. B. Dunkle 1928-10-7 2002 Los Angeles Middle Ranch Canyon 168 Comment
  RSA198833  Conyza coulteri R. F. Thorne, D. Propst 1968-5-28 37679 Los Angeles Santa Catalina Island: on delta above second (lower) reservoir in upper Bulrush canyon 335 Comment
  SEINET4676162  Cordylanthus rigidus Tim Ross 1990-8-17 3130 Los Angeles San Gabriel Mtns: S side of the Blue Ridge, 0.6 miles east of Vincent Gap along the Angeles Crest Highway (Hwy 2). Mescal Creek 7.5 foot USGS quadrangle.; 0 2060 Comment
  UCR231169  Cordylanthus rigidus Dan S. Cooper 2011-9-28 911- 115 Los Angeles Western Transverse Range; Santa Monica Mtns., open space east of Laurel Canyon Blvd., east of Fryman Rd. intersection 250 Comment
  RSA412292  Cordylanthus rigidus subsp. setiger Louis C. Wheeler 1936-7-2 4205 Los Angeles Bell Canyon, San Gabriel Mountains. 884 Comment
  JEPS32966  Coreopsis bigelovii E. R. Blakley 1958-5-9 2269 Los Angeles hills 2 mi e Gorman 1097 Comment
  UC133523  Coreopsis californica var. californica Miss Alice Eastwood 1903-4-15 4090 Los Angeles Comment
  CAS-BOT-BC101023  Coreopsis gigantea Carl B. Wolf 1932-5-14 3631 Los Angeles Santa Catalina Island, between Avalon & Pebbly Beach 30 Comment
  SBBG60698  Corethrogyne filaginifolia M. N. Ackley -Mar-1927 178 Los Angeles Baldwin Hills 91 Comment
  UC586862  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  POM180499  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1916-10-31 6367 Los Angeles Fremont's Pass, near Newhall. Comment
  NY167732  Corethrogyne filaginifolia var. peirsonii P. A. Munz 1923-10-7 7785 Los Angeles Newhall Comment
  CAS-BOT-BC209769  Cornus glabrata Carl B. Wolf 1932-5-13 3617 Los Angeles Santa Catalina Island. Hamilton Canyon, left fork, 200 ft. above forks 121 Comment
  RSA764520  Crassula connata Orlando Mistretta, Christine Mistretta 2008-5-3 2634 Los Angeles Southern California Edison transmission line tower (Segment 11, structure 92 per TRTP Survey 2008), in the vicinity of Eaton Canyon, N of New York Drive. 316 Comment
  SD90380  Crassula connata Robert F. Thorne 1966-4-17 36119 Los Angeles San Clemente Islandp Rocky bottom of Bx Canyon, northwest of Horse Canyon, southwest of Thirst. 245 Comment
  UC1587673  Crassula connata var. erectoides Tim Ross 1991-4-21 4542 Los Angeles ridge n. side Turnbull Canyon; Whittier Hills (Puente Hills, pro parte), Turnbull Canyon 304 Comment
  RSA151284  Crassula connata var. erectoides P. H. Raven 1962-4-9 17175 Los Angeles Near barracks, Wilson Cove, San Clemente Island. 61 Comment
  RSA533977  Crassula connata var. erectoides Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5179 Los Angeles San Clemente Island. 1100 feet SSW of Twin Dams, 1450 feet NNW of Bolder marker. 491 Comment
  RSA423443  Crassula connata var. subsimplex A. Menke 1955-3-26 s.n. Los Angeles Point Dume, California. Comment
  UCR142765  Crassula tillaea L. C. Wheeler 1967-4-30 9241 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  SBBG28867  Crocanthemum scoparium var. vulgare I. W. Clokey, B. Templeton -May-1929 4490 Los Angeles Mandeville Cyn 250 Comment
  SBBG51546  Crocanthemum scoparium var. vulgare J. Nickoloff 1973-5-2 730502 -5 Los Angeles ridge 600 ft N of Mt Wilson Trail, Sierra Madre 304 Comment
  UC205034  Crocanthemum scoparium var. vulgare Katharine Brandegee Los Angeles Saugus Comment
  CAS-BOT-BC175825  Crossosoma californicum R. F. Thorne 1968-2-25 37915 Los Angeles Channel Islands; Santa Catalina Island: Cherry Valley Comment
  RSA234638  Crossosoma californicum R. F. Thorne 1970-3-5 39352 Los Angeles Santa Catalina Island. NE slope of Blackjack Mt. at upper end of Swain's Canyon 396 Comment
  RSA397727  Crossosoma californicum M. B. Dunkle 1928-12-30 2039 Los Angeles Head of Grand Canyon, Santa Catalina Island Comment
  LA50642  Croton californicus A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA480560  Croton californicus Florence Collins 1942-4-15 s.n. Los Angeles El Segundo. Comment
  RSA480558  Croton californicus var. californicus Robert Gustafson 1980-7-9 1813 Los Angeles Ballona Wetlands, Area 3. Confined to a narrow strip of coastal strand near the jct. of Lincoln Blvd. and the Ballona Channel in area 3; also on coastal strand along the western boundary area 1. Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  SEINET4206987  Cryptantha clevelandii var. clevelandii K. Dobry 1992-1 d 1066 Los Angeles Santa Monica Mountains, in the city of Weslake at So. end of Lindero Canyon.; 0 Comment
  RSA774596  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5292 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  UCR256540  Cryptantha clokeyi Anuja Parikh, Nathan Gale 2011-6-23 3499 Los Angeles Transverse Range: San Gabriel Mountains, north of Iron Mountain, 1.6 km east of Angeles Forest Hwy, 1.1 km south of Monte Cristo Creek 1523 Comment
  CHSC95905  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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. T4NR12W S1 NE1/4, T4NR11W S6 NW1/4. General collecting started from a slight decline bench south of the ridgeline. 1324 Comment
  UCR98796  Cryptantha decipiens Steve Boyd, L. Raz 1997-4-16 9501 Los Angeles San Gabriel Mtns., Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 854 Comment
  LA31579  Cryptantha intermedia Henry J. Thompson; 1959-4-12 1927 Los Angeles 304 Comment
  POM368247  Cryptantha intermedia Jack Rempel 1932-4-24 15250 Los Angeles El Segundo. Comment
  UCR99399  Cryptantha intermedia Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA526158  Cryptantha intermedia Steve Boyd, Tim Ross 1990-4-6 4152 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  UCR273166  Cryptantha intermedia var. intermedia R. G. Swinney 2011-5-10 14630 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA316342  Cryptantha micrantha R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54952 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCR258877  Cryptantha micromeres R. G. Swinney 2010-5-7 12610 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
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 Los Angeles San Gabriel Mountains: Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy. 1780 Comment
  UC1063866  Cryptantha muricata Jerome S. Horton 1937-6-10 457 Los Angeles divide between East Fork San Diams Canyon and San Gabriel Canyon; Cucamonga Quad. 1325 Comment
  UCR190777  Cryptantha muricata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  JEPS67715  Cryptantha muricata I. W. Clokey and B. C. Templeton 1935-5-18 5667 Los Angeles San Gabriel Canyon, 1.0 mi above dam San Gabriel Canyon Comment
  RSA499697  Cryptantha muricata F. R. Fosberg 1932-3-28 10619 Los Angeles San Pedro hills, Palos Verdes Estates. 50 Comment
  RSA0079122  Cryptantha muricata var. denticulata R. F. Thorne, John Olmstead 1965-8-26 35379 Los Angeles San Gabriel Mts.: Angeles National Forest, Camp Lupine near Prairie Fork. 2012 Comment
  RSA0040537  Cryptantha muricata var. jonesii Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon 543 Comment
  RSA0079397  Cryptantha muricata var. jonesii T. S. Ross 1992-7-10 6636 Los Angeles San Gabriel Mountains: Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch 963 Comment
  RSA0079601  Cryptantha muricata var. muricata LeRoy Gross 2005-4-28 2161 -b 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
  RSA0117598  Cryptantha muricata var. muricata A. C. Sanders 2008-4-23 35094 Los Angeles Transverse Range; western San Gabriel Mtns.: upper Cow Spring Canyon. 1140 Comment
  RSA250588  Cryptantha nevadensis var. rigida R. F. Thorne, R. Carolin, C. Davidson 1967-3-23 41587 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  RSA617199  Cryptantha nevadensis var. rigida L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  RSA595333  Cryptantha nevadensis var. rigida L. C. Wheeler 1967-5-8 9339 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA587529  Cryptantha oxygona Orlando Mistretta, Steve D. Boyd, Darin Banks 1994-4-29 1103 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  UCR280877  Cryptantha pterocarya R. G. Swinney 2014-5-7 16402 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  UCR270499  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 Los Angeles San Gabriel Mountains/SW Mojave Desert, WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA592180  Cryptantha similis L. C. Wheeler 1967-5-12 9444 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UCR192012  Cryptantha similis A. C. Sanders 2008-4-17 34919 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SEINET10853241  Cucurbita Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2604 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  SEINET3162000  Cucurbita foetidissima G. B. Grant 243 Los Angeles Pasadena Comment
  RSA617367  Cupressus arizonica subsp. nevadensis Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10232 Los Angeles Liebre Mountains region: Warm Springs Mountain, ca. 0.5 miles west of the peak along ridgeline dividing Warm Springs Canyon and Necktie Basin. 1189 Comment
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Jul 25 2018
  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
  UCR280555  Cuscuta R. G. Swinney 2014-4-17 16070 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  CAS-BOT-BC224489  Cuscuta californica Alice Eastwood 1915-8-25 4902 Los Angeles Duarte Comment
  UCR256232  Cuscuta californica R. G. Swinney 2010-6-4 13042 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  UCR217705  Cuscuta campestris A. C. Sanders, Dan S. Cooper 2010-8-5 38533 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA603177  Cuscuta campestris L. C. Wheeler 1936-6-28 4193 Los Angeles 3 miles SE of El Monte. 76 Comment
  LA33484  Cuscuta subinclusa Peter H. Raven; Henry J. Thompson 1958-10-11 13757 Los Angeles 822 Comment
  RSA409724  Cuscuta subinclusa Freda Detmers 1931-11-11 14184 Los Angeles Griffith Park Comment
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May 14 2007
  SEINET10938265  Cycas revoluta Carl C. Epling Epling s.n. Los Angeles Comment
  UCR205667  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  LA211276  Cyclospermum leptophyllum Arthur C. Gibson; 2005-9-22 5218 Los Angeles SIMI HILLS, Chatsworth Park South, Chatsworth. Comment
  UCD169557  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11297 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 300 m north of Puente Largo railway bridge, west side of channel. 184 Comment
  UCD169668  Cyperus difformis Louis C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. 116 Comment
  RSA0034282  Cyperus eragrostis Benjamin E Carter 2012-8-23 6985 Los Angeles Channel Islands: Santa Catalina Island. Middle Ranch Canyon, at Pump Station 2. 310 Comment
  RSA563898  Cyperus eragrostis Scott D. White 1992-10-9 945 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA92302  Cyperus eragrostis Joseph A. Ewan 1931-7-31 4778 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  CAS-BOT-BC114309  Cyperus esculentus Ernest Braunton 1902-9-1 671 Los Angeles Los Angeles River. Comment
  UC519991  Cyperus esculentus Louis C. Wheeler 1932-9-19 1397 Los Angeles at Los Feliz Blvd. Los Angeles R. 121 Comment
  POM340635  Cyperus involucratus F. R. Fosberg 1973-11-15 55346 Los Angeles San Clemente Island, Wilson s Cove. Comment
  RSA0029490  Cyperus odoratus Mark L. Hoefs, Steven A. Junak 1996-7-9 2719 Los Angeles Santa Catalina Island. By Middle Ranch Reservoir, Middle Canyon. 201 Comment
  RSA365110  Cyperus odoratus Anstruther Davidson 1889-05 s.n. Los Angeles E. Los Angeles. Comment
  JEPS35047  Cystopteris fragilis Ernest Braunton 1932-3-27 1968 Los Angeles San Dimas Canyon; San Gabriel Mts Comment
  RSA507546  Cystopteris fragilis L. C. Wheeler 1967-9-2 10618 Los Angeles San Gabriel Mountains: Devil's Canyon, ca. 1/4 mile downstream from Devil's Canyon-Little Bear Creek Saddle 1951 Comment
  UCR223127  Cystopteris fragilis R. G. Swinney 2009-7-22 11357 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR182853  Dactylis glomerata R. G. Swinney 1997-8-6 5766 Los Angeles San Gabriel Mtns, along Big Pines Hwy, c. 0.5 mi. west of Hwy 2 junction, east of Jackson Lake 2024 Comment
  UCR259056  Dactylis glomerata R. G. Swinney 2010-6-21 13301 Los Angeles San Gabriel Mountains, 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail 951 Comment
  RSA431664  Datisca glomerata Freda Detmers 1928-9-30 s.n. Los Angeles San Gabriel Canyon 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
  LA51814  Daucus pusillus Francis M. Ball; May 1948 sn Los Angeles Santa Monica Mountains, 1 mi W of tunnel on Sepulveda Blvd 304 Comment
  SD234268  Daucus pusillus A. C. Sanders, M. A. Elvin, et al. 2003-5-1 26282 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 395 Comment
  SD53026  Daucus pusillus Peter H. Raven 1962-5-22 17824 Los Angeles Santa Catalina Island; open grassland beyond Emerald Bay. 120 Comment
  UC56506  Daucus pusillus Ernest Braunton 1902-5-10 284 Los Angeles Rivera Comment
  CAS-BOT-BC130910  Deinandra clementina Huron H. Smith 1912-5-31 5048 Los Angeles Pebble Beach Road, Santa Catalina Isl. 7 Comment
  UC1408993  Deinandra clementina Robert F. Thorne 1973-4-12 42888 Los Angeles plateau near Cutlass (above old dam); San Clemente Island 198 Comment
  SD69731  Deinandra fasciculata Robert F. Thorne 1966-4-28 36243 Los Angeles Santa Catalina; near junction of Wrigley Drive and Renton Mine Road. 105 Comment
  UCR281816  Deinandra fasciculata Mitch Provance, Scott Duff 2017-6-29 617- 63 Los Angeles Catalina Island, Middle Canyon, SCE corridor, vicinity of Middle Ranch Rd., ENE of Thompson Dam 188 Comment
  UCSB28390  Deinandra fasciculata Tanowitz, Barry 1974-8-24 Los Angeles Via de la Paz; 1 block from Sunset Blvd., Pacific Palisades Comment
  SD232611  Deinandra minthornii Scott D. White 1995-10-11 3690 Los Angeles Santa Susana Mtns.: S edge of Santa Susana Mts., above Chatsworth. Vacant lot between 22380 & 22872 Trigger St. Comment
  CHSC101729  Delairea odorata Scott D. White 2003-1-7 8794 Los Angeles Cismontane interior valley; Claremont, Blaisdell Park, east of College Ave. and north of Oak Park Dr. Southeast corner of the park. Landscaped area next to homes. 332 Comment
  SD230276  Delphinium cardinale Louis C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, Ao mile south of Arrow Highway. Comment
  RSA771589  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SJSU2501  Delphinium parishii H. L. Buckalew 1962-4-18 Los Angeles Mojave Desert between Vincent & Little Rock Comment
  RSA587479  Delphinium parishii subsp. parishii Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1128 Los Angeles San Gabriel Mountains, Santiago Canyon, slopes W of main drainage below Mt. Emma. 1341 Comment
  UCR256585  Delphinium parishii subsp. parishii Anuja Parikh, Nathan Gale 2011-6-6 3415 Los Angeles Western Transverse Range; eastern Liebre Mountains, Sierra Pelona, 5.5 km west of State Hwy 14, 2.1 km SW of California Aqueduct 1142 Comment
  RSA177857  Delphinium parryi Robert F. Thorne 1965-5-10 34460 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain 457 Comment
  RSA393739A  Delphinium parryi Howard Mullins 1931-4-1 s.n. Los Angeles Foothill Blvd. Comment
  UCSB1993  Delphinium parryi Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  SEINET7063808  Delphinium parryi subsp. maritimum A. G. Vestal 1947-4-26 s.n. Los Angeles Among rocks on a north slope near the west end of a long grade. West end of the Santa Monica Mountains. UTM Zone 11, 343433mE, 3774090mN. (WGS84/NAD83). 250 Comment
  LA200790  Delphinium parryi subsp. parryi Norman A. Cole; May 1964 325 .13 Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  UC1293681  Delphinium parryi subsp. parryi P. C. Everett and E. K. Balls 1959-6-2 23833 Los Angeles steep rocky burned over slopes 1 mi ne entrance to Stokes Canyon; Santa Monica Mountains 228 Comment
  UC639627  Delphinium patens subsp. hepaticoideum Victor Duran 1929-6-10 2394 Los Angeles hillsides near Echo Mountain; San Gabriel Mountains 914 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
  RSA783871  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 A Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  SBBG31318  Dendromecon harfordii R. F. Thorne with P. C. Everett 1965-5-10 34476 Los Angeles W side of Black Jack Mtn 487 Comment
  UCSB18396  Dendromecon rigida Gerhart, Janet 1963-4-13 Los Angeles West Fork Road, 4 miles from intersection of U.S. Highway 2 and Mt. Wilson Road at Red Box 1036 Comment
  RSA433205  Dendromecon rigida subsp. rigida W. P. Burger 1979-5-5 70 Los Angeles Angeles Forest Highway: 3 mi. from juction with Angeles Crest Highway. 915 Comment
  SEINET4085840  Dendromecon rigida subsp. rigida R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mountains. Comment
  RSA229070  Deschampsia danthonioides R. F. Thorne, C. W. Tiforth 1971-6-30 40794 Los Angeles Angeles National Forest: S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  UCR187181  Deschampsia danthonioides A. C. Sanders 2006-4-21 32151 Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  SEINET7062861  Descurainia incana A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on the Pearblossom Highway. (WGS84/NAD83). UTM Zone 11, 410587mE, 3820401mN. 887 Comment
  RSA729956  Descurainia pinnata R. G. Swinney 1999-4-5 7039 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  CAS-BOT-BC43173  Descurainia pinnata subsp. brachycarpa C. W. Tilforth 1970-3-3 249 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  SD38226  Descurainia pinnata subsp. halictorum Edith A. Purer 1932-5-14 2778 Los Angeles El Segundo Comment
  CDA24799  Descurainia pinnata subsp. menziesii G. C. Fleischman 1942-4-18 Los Angeles Along Beverly Drive, Altadena. 0 Comment
  CAS-BOT-BC43488  Descurainia sophia Ernest C. Twisselmann 1962-4-10 6857 Los Angeles Mojave Desert. Antelope Valley. Avenue A, 2.8 miles west of Highway 6. 670 Comment
  UCD114781  Descurainia sophia J. Doty 1969-4-19 632 Los Angeles beside Avenue K-8, 0.5 mile west of 170th Street, 20 miles east of Lancaster in northeastern part of county. 762 Comment
  CAS-BOT-BC402256  Dicentra chrysantha Tim Ross; Steve Boyd 1992-7-5 6615 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  RSA600013  Dicentra chrysantha Steve Boyd, Lauren Raz 1997-5-29 9925 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1128 Comment
  RSA433589  Dicentra chrysantha Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA66260  Dicentra chrysantha F. W. Peirson 1903-8-10 s.n. Los Angeles Summit of Mt. Lowe, San Gabriel Mts. Comment
  SFV6223  Dichelostemma capitatum R. M. Muran 1974-3-4 30 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  SEINET12045773  Dichelostemma capitatum I. W. Clokey, Templeton, B. 1929-1 4440 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  POM155740  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1928-4-10 1819 Los Angeles Santa Catalina Island, Johnson s Canyon. 61 Comment
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Jul 21 2010
  RSA631388  Dichelostemma capitatum subsp. capitatum Valerie L. Soza, LeRoy Gross 1999-5-10 462 Los Angeles San Gabriel Mountains: Foothills above San Dimas, between Morgan and Wildwood Canyons. 457 Comment
  RSA652067  Dichelostemma capitatum subsp. capitatum Gerald F. Bliss 1948-4-22 sn Los Angeles 5 miles west of Covina. SE of California State Polytechnic College on side of hill. 244 Comment
  SD31212  Dichelostemma capitatum subsp. capitatum Edith A. Purer 1931-3-26 947 Los Angeles Palos Verdes Hills, hillsides, xeric slopes. Comment
  RSA187906  Dichondra occidentalis R. F. Thorne 1966-4-6 35884 Los Angeles Santa Catalina Island. Between White and Moonstone Coves. 15 Comment
  UC205693  Dieteria canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork of San Gabriel River 1981 Comment
  SD37734  Diplacus brevipes Edith A. Purer 1935-5-11 6591 Los Angeles Malibou Lodge Road, Santa Monica Mountains Comment
  CAS-BOT-BC153055  Diplacus fremontii Le Roy Abrams 1901-4-6 1379 Los Angeles Big [Tunga] Tujunga Wash Comment
  SBBG98605  Diplacus longiflorus T. and A. Ross 1991-3-7 4158 Los Angeles Elephant Hill; SW base of hill 251 Comment
  CAS-BOT-BC150866  Diplacus puniceus John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  UC169367  Diplotaxis tenuifolia unknown Mar 1903 1254 Los Angeles Garvanza Comment
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Nov 25 2011
  UCR125175  Distichlis spicata A. C. Sanders, Mark Elvin 2002-6-25 25295 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UC118031  Dithyrea maritima Ernest Braunton 1903-4-1 876 Los Angeles Playa del Rey near Los Angeles Comment
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Apr 25 2016
  RSA65163  Dodecahema leptoceras F. W. Peirson 1921-6-21 2455 Los Angeles West Fork of San Gabriel River, San Gabriel Mts. 640 Comment
  SD84839  Dodecatheon clevelandii Reid Moran 1941-2-23 604 Los Angeles hillside south of Johnson's Valley, Santa Catalina Island 199 Comment
  RSA213368  Dodecatheon clevelandii subsp. insulare Reid V. Moran 1941-2-23 604 Los Angeles Catalina Island. South of Johnson's Valley 200 Comment
  RSA462208  Dodecatheon redolens Robert Gustafson 1983-7-18 2780 Los Angeles Angeles Crest Hwy., Cortelyou Springs. 2134 Comment
  UCR14466  Dodecatheon redolens George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, near summit of Calif. Hwy 39 2012 Comment
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Nov 29 2010
  SEINET10682323  Dovyalis caffra S. Krosnick 2002-1-1 Krosnick 556 Los Angeles UCLA Campus. Originally collected by Arthur Gibson from plants in cultivation at the UCLA Mildred E. Mathias Botanical Garden. Comment
  UC212611  Drymocallis lactea var. lactea I. M. Johnston 1917-8-22 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork 2133 Comment
  RSA0115997  Dryopteris arguta R. G. Swinney 2010-8-11 13486 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  UC812061  Dryopteris arguta Ira W. Clokey, B. Templeton May 1929 4539 Los Angeles Mandeville Canyon; Santa Monica Mts. 350 Comment
  UCR23350  Dryopteris arguta John C. Roos 1942-3-21 1099 Los Angeles San Gabriel Mtns, Santa Anita Canyon 244 Comment
  UC147287  Dudleya hassei Blanche Trask 1903-5-2 Los Angeles Avalon Santa Catalina Island Comment
  CAS-BOT-BC428404  Dudleya lanceolata Reid Moran 1941-5-17 866 Los Angeles Floor of San Fernando Valley East of San Fernando 325 Comment
  RSA670757  Dudleya lanceolata Joseph M. Keefe 2001-3-16 31127 Los Angeles North crest of Poppy Peak, across street from 1622 Poppy Peak Drive; 0.8 mile southeast of The Eagle Rock, Pasadena, CA 91105. 305 Comment
  SD207018  Dudleya lanceolata Reid Moran 1946-5-30 2061 Los Angeles Bichota Canyon; 5.5 kilometers above Rincon Guard Sta. 730 Comment
  UC2059973  Dudleya lanceolata K. Nakai 1979-12-25 551 Los Angeles San Gabriel Mountains, Arroyo Seco, on Highway 2 3.1 mi N of Highway 210. Comment
  CAS-BOT-BC109752  Dudleya virens subsp. insularis Reid Moran 1972-5-27 19143 Los Angeles Just east of Point Vicente. 5 Comment
  UC403454  Echinocereus engelmannii unknown 1924-8-1 Los Angeles Claremont Comment
  CAS-BOT-BC197144  Echinochloa crus-galli Cecil Hart 1921-7-1 4 Los Angeles Howard & Smith's nursery, Montebello Comment
  UCSB382  Echinochloa crus-galli T., S.; B., K. 1943-8-13 Los Angeles East Fork of San Dimas Canyon; San Dimas Experimental Forest, San Gabriel Mountains Comment
  UCR84583  Ehrharta calycina T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6949 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, on main east-west ridgetop c. 615 m east of Granite Triangulation Point and 620 m WNW of Oak Triangulation Point 488 Comment
  SBBG31325  Elatine californica R. F. Thorne 1966-4-6 35898 Los Angeles below Catalina Airport 435 Comment
  UC838981  Eleocharis montevidensis F. A. MacFadden 1931-4-22 Los Angeles Comment
  UCR155921  Eleocharis obtusa A. C. Sanders 2005-5-5 29896 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA656852  Eleocharis rostellata Valerie Soza, Laura Moore 2000-6-14 1013 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UCR204016  Elymus R. G. Swinney 2001-9-15 8138 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  CAS-BOT-BC227501  Elymus elymoides A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton Comment
  POM359920  Elymus elymoides J. G. Smith 1935-4-19 s.n. Los Angeles 1 mile west of Palmdale, Mojave Desert. Comment
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Oct 21 2015
  UCR43258  Elymus elymoides David Charlton 1986-6-15 247 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CAS-BOT-BC207176  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  IRVC26160  Elymus glaucus A. C. Sanders, Mark A. Elvin 2003-6-18 26961 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  RSA733123  Elymus glaucus R. G. Swinney 1998-7-24 6573 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  SEINET954732  Elymus glaucus A. C. Sanders 2003-1 26249 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  POM1296  Elymus glaucus subsp. jepsonii I. M. Johnston 1918-5-12 1953 Los Angeles San Antonio Mountains. San Antonio Canyon 915 Comment
  RSA729559  Elymus stebbinsii R. G. Swinney 1999-7-14 7557 Los Angeles San Gabriel Mtns.: Allison Gulch, at confluence with East Fork San Gabriel River Canyon 732 Comment
  RSA639722  Elymus trachycaulus subsp. trachycaulus L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  UCR204744  Elymus triticoides R. G. Swinney 2005-8-9 8419 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0105692  Elymus triticoides Amy Catalano 2016-5-25 16 -132 Los Angeles Santa Catalina Island. Short spur road at sharp turn at south end of Big Springs Road. 63 Comment
  SD69613  Emmenanthe penduliflora Robert F. Thorne, P. Everett 1965-5-11 34582 Los Angeles Santa Catalina Island, north side of north beach of Little Harbor. 14 Comment
  SFV11224  Emmenanthe penduliflora D. K. Shayne 1966-3-16 136 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  RSA715749  Encelia actoni Scott D. White, Andrea Warniment 2006-7-7 11627 Los Angeles Gorman area, west of the I-5 Freeway at SR-138 interchange. SE Tehachapi Mts. 1006 Comment
  UCR206164  Encelia farinosa var. phenicodonta A. C. Sanders, T. B. Salvato 2009-5-29 37043 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  NY70348  Ephedra nevadensis R. F. Thorne 1973-5-11 43538 Los Angeles San Gabriel Mountains, Mojave Desert Slope: along Mt. Emma Road, 0.5 mile east of Little Rock Creek below the dam 1036.3 Comment
  UCR270036  Ephedra nevadensis R. G. Swinney 2010-6-1 13124 Los Angeles San Gabriel Mountains, 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
  UCR190130  Epilobium R. G. Swinney 1998-9-7 6937 Los Angeles San Gabriel Mtns., Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  UCR193999  Epilobium canum R. G. Swinney 1998-8-13 6761 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  CAS-BOT-BC166186  Epilobium canum subsp. canum Timothy S. Ross; Steve Boyd 1994-9-20 8244 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  CAS-BOT-BC166204  Epilobium canum subsp. canum Alice Eastwood 1915-8-25 4893 Los Angeles Duarte Comment
  CDA12158  Epilobium canum subsp. canum A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  POM8102  Epilobium canum subsp. canum Geo. L. Moxley 1919-9-1 716 Los Angeles Rolling slope west of Cahuenga Peak, Los Angeles. Comment
  RSA588448  Epilobium canum subsp. canum F. R. Fosberg 1931-7-13 S- 5392 Los Angeles St. Catharine Hotel, Descanso Canyon. Santa Catalina Island. 20 Comment
  UC2026407  Epilobium canum subsp. canum Louis C. Wheeler 1946-10-26 6445 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel Canyon; 0.8 miles upstream from mouth at first bridge. Elev. 850 Feet. Comment
  RSA72098  Epilobium canum subsp. latifolium F. W. Peirson 1923-9-1 4027 Los Angeles San Gabriel Mts. Saw Mill Canyon at west end of Swartout Valley. 2012 Comment
  RSA799901  Epilobium canum subsp. latifolium Michelle Terrazino, Monica Rodriguez, Naomi S. Fraga 2013-7-23 1 Los Angeles Glendora Ridge Road. 1313 Comment
  SEINET9305434  Epilobium canum var. latifolium Unknown 2008-7-16 9247 Los Angeles Will Thrall Peak Comment
  RSA747202  Epilobium ciliatum R. G. Swinney 2005-8-5 8380 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UCR193596  Epilobium ciliatum R. G. Swinney 1998-8-6 6706 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR243011  Epilobium ciliatum R. G. Swinney 2009-8-6 11510 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  RSA233363  Epilobium ciliatum subsp. ciliatum Arthur C. Gibson, Linda Gibson 1972-3-18 2792 Los Angeles Along stream in Fish Canyon near the mouth of the canyon, San Gabriel Mountains. Comment
  OBI23306  Equisetum hyemale Mark Schneider 1973-5-27 27 Los Angeles Tujunga Wash 518 Comment
  CAS-BOT-BC57322  Equisetum laevigatum Samuel B. Parish 1895-11-23 3612 Los Angeles Arroyo Seco, Pasadena Comment
  CATA962  Equisetum laevigatum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1828 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  RSA188231  Equisetum laevigatum R. F. Thorne, Percy C. Everett 1965-6-23 34959 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon 91 Comment
  SBBG128759  Equisetum telmateia subsp. braunii M L. Hoefs, D. R. Hoefs, H. Greene 1992-4-21 1829 Los Angeles lower Middle Cyn, just below juction of rd to Ben Weston Beach 153 Comment
  RSA612921  Equisetum telmateia var. braunii L. C. Wheeler 1932-8-28 1304 Los Angeles Puddingstone Canyon, San Jose Hills S San Dimas. 243 Comment
  POM352236  Eragrostis cilianensis Stone 1936-4-30 174 Los Angeles In Mr. Stones Lawn. Comment
  RSA608693  Eragrostis curvula L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 822 Comment
  UC53417  Eragrostis mexicana subsp. mexicana Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  RSA128015  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-10-18 14682 Los Angeles Decker Road 1.8 mi. south of Mulholland Highway 488 Comment
  RSA609012  Eremocarpus setiger L. C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UC1215247  Eremocarpus setiger Peter H. Raven 1962-5-9 17676 Los Angeles near head of canyon above Mosquito Cove; San Clemente Island 335 Comment
  RSA0034380  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 i Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA0082831  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2011-7-21 15553 A Los Angeles Strawberry Peak summit. 1860 Comment
  RSA0106907  Eriastrum densifolium subsp. austromontanum R. G. Swinney 2005-8-22 8513 Los Angeles San Gabriel Mountains: Devil's Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  UC1586229  Eriastrum densifolium subsp. austromontanum Tim Ross 1991-8-16 5860 Los Angeles Horse Flats San Gabriel Mts., Chilao Flat USGS 7.5' quad (s end) 1720 Comment
  UCR141732  Eriastrum densifolium subsp. densifolium L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mtns, East Fork of Alder Creek off Big Tujunga 1494 Comment
  CAS-BOT-BC514369  Eriastrum densifolium subsp. elongatum Ernest C. Twisselmann 1955-8-10 2327 Los Angeles San Emigdio Range: Upper Castaic Valley 1226 Comment
  UC574949 Image available Eriastrum pluriflorum Philip A. Munz and T. Craig 1933-5-13 12925 Los Angeles 10 mi s Muroc; ; S of Muroc, Los Angeles Co. Comment
  CHSC95403  Eriastrum sapphirinum LeRoy Gross; Valerie Soza 2001-5-31 391 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon. 457 Comment
  RSA0121280  Eriastrum sapphirinum subsp. dasyanthum Joseph M. Keefe 1978-6-4 23333 Los Angeles Verdugo Mountains: 100 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 287 Comment
  RSA0122872  Eriastrum sapphirinum subsp. dasyanthum L. R. Abrams 1902-7-2 2636 Los Angeles Sierra Madre. Comment
  SBBG58322  Eriastrum sparsiflorum R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  RSA587221  Ericameria cooperi Orlando Mistretta, Christine Mistretta 1995-5-2 1671 Los Angeles San Gabriel Mountains: Carr Canyon. 1052 Comment
  RSA601845  Ericameria cooperi Steve Boyd, Timothy S. Ross, Laura Moore, Valerie L. Soza 1997-7-8 10007 Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA679830  Ericameria cooperi LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 853 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR152904  Ericameria cooperi A. C. Sanders, Helen Kennedy 2005-4-13 29425 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC131688  Ericameria cooperi var. cooperi W. R. Dudley; F. H. Lamb 1896-6-8 4370 Los Angeles Near Neenach, Antelope Valley Comment
  RSA615557  Ericameria linearifolia LeRoy Gross 1998-5-15 15 Los Angeles San Gabriel Mtns: Big Tujunga Wash. East of 210 freeway ,west of Big Tujunga Canyon Road. 365 Comment
  RSA799686  Ericameria linearifolia Pam De Vries 2013-4-3 7833 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 0.75 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1035 Comment
  CAS-BOT-BC298887  Ericameria nauseosa var. bernardina Fordyce Grinnell, Jr. 1916-9-1 s.n. Los Angeles Eaton's Canyon, San Gabriel Mts, near Pasadena Comment
  CAS-BOT-BC299021  Ericameria nauseosa var. hololeuca Ralph Hoffman 1929-10-27 s.n. Los Angeles Near Acton, Mint Canyon Comment
  JEPS19468  Ericameria palmeri var. pachylepis Peter H. Raven 1957-9-21 11340 Los Angeles near hill at nw end U.C.L.A. Campus Comment
  POM182357  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles Dume - La Sierra Canyon Divide. Santa Monica Mts. 518 Comment
  RSA786156  Ericameria pinifolia J. D. Olmsted 1959-4-3 334 Los Angeles Foot of San Gabriel Mts., San Antonio wash: Blanchard Park on Pomona College campus east of Claremont. 366 Comment
  RSA597745  Erigeron breweri var. covillei Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3748 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  POM82708  Erigeron foliosus var. foliosus P. A. Munz 1925-4-23 9448 Los Angeles San Gabriel Canyon. 488 Comment
  UC63358  Erigeron foliosus var. foliosus Ernest Braunton 1912-7-1 539 Los Angeles Griffith Park Comment
  RSA596992  Erigeron foliosus var. stenophyllus Steve Boyd, Lauren Raz 1996-9-24 8966 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  RSA91030  Erigeron foliosus var. stenophyllus F. W. Peirson 1920-5-12 231 Los Angeles Foothill Blvd. San Gabriel Wash, S base of San Gabriel Mts. 182 Comment
  POM6799  Erigeron philadelphicus P. A. Munz 1919-4-5 2469 Los Angeles Puddingstone Creek, San Dimas Comment
  UCR95471  Eriodictyon crassifolium L. C. Wheeler 1967-4-30 9219 Los Angeles San Gabriel Mtns, Limekiln Canyon 732 Comment
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Oct 1 2014
  POM3808  Eriodictyon crassifolium var. crassifolium W. R. Dudley, F. H. Lamb 1896-6-8 4343 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA0064134  Eriodictyon crassifolium var. crassifolium Marck Menke 2002-3-29 134 Los Angeles San Gabriel Mts., Angeles Crest Highway (Hwy 2) at a pullout southeast of the intersection with Angeles Forest Highway. Comment
  RSA304954  Eriodictyon crassifolium var. nigrescens E. R. Hobbs 1978-4-23 78 -173 Los Angeles Sand Canyon, Santa Clara River Valley, Western San Gabriel Mountains Comment
  UC193872  Eriodictyon crassifolium var. nigrescens Samuel B. Parish June 1887 1907 Los Angeles Sand Creek; Mojave Desert, Sand Creek Comment
  UCR114189  Eriodictyon crassifolium var. nigrescens A. C. Sanders, D. Malueg 1998-6-24 22070 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  UCR271125  Eriodictyon parryi R. G. Swinney 2011-7-8 15502 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UC107120  Eriodictyon traskiae Blanche Trask June 1900 1 Los Angeles Avalon; Santa Catalina Island, Avalon Comment
  RSA529168  Eriodictyon trichocalyx var. trichocalyx Tim S. Ross 1991-7-24 5641 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope. 1902 Comment
  CAS-BOT-BC248472  Eriogonum angulosum Sam Foster 1956-10-31 s.n. Los Angeles Between Solemint & Saugus Comment
  HSC35877  Eriogonum angulosum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2171 Los Angeles Beside Hwy. 5 just W of junction with Hwy. 138 Comment
  IRVC28811  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  RSA784560  Eriogonum angulosum Elizabeth A. Kempton, Eric Paul 2006-6-11 386 Los Angeles Tick Canyon. 538 Comment
  CAS-BOT-BC241579  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-6-1 3667 Los Angeles Acton Comment
  CAS-BOT-BC241585  Eriogonum baileyi var. baileyi Frank W. Peirson 1928-9-4 8188 Los Angeles Rock Cr. 1 mile below Pallett Cr., Mohave [Mojave] Desert Comment
  CHSC35461  Eriogonum cithariforme James Henrickson 1975-5-12 9604 Los Angeles 6 (air) miles SE of Pearblossom, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St.; in arroyo bottom. 1234 Comment
  RSA176261  Eriogonum cithariforme var. agninum Robert F. Thorne 1963-7-11 32778 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  UCR248983  Eriogonum davidsonii Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-17 401 Los Angeles San Gabriel Mountains, Road 7N23, Liebre Mountains 1484 Comment
  RSA226042  Eriogonum davidsonii Robert F. Thorne, C. W. Tilforth 1971-6-29 40701 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1 mi. down Aliso Canyon Rd. from junction with Angeles Forest Rd. 1128 Comment
  IRVC26153  Eriogonum fasciculatum A. C. Sanders 2003-6-19 26968 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR209439  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 1969-6-12 562 Los Angeles San Gabriel Mtns., Glendora, 0.5 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 348 Comment
  RSA778909  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11213 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR259766  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-4-28 12422 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA329666  Eriogonum fasciculatum var. foliolosum Gary D. Wallace 1966-3-25 227 Los Angeles San Gabriel Mountains: Millard Canyon 5 miles north of Pasadena. 915 Comment
  RSA533517  Eriogonum fasciculatum var. foliolosum Tim S. Ross 1991-3-9 4164 Los Angeles Whittier Hills (Puente Hills, pro parte): head of Oak Cyn, SE side of ridgetop knoll. 366 Comment
  RSA602458  Eriogonum fasciculatum var. foliolosum Scott D. White 1997-5-15 5150 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 335 Comment
  RSA650868  Eriogonum fasciculatum var. foliolosum Gene Cooper 1961-4-1 s.n. Los Angeles [Chantry] Flats, Above Altadena. Comment
  RSA0127576  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1967-7-18 10093 Los Angeles W side of ridge, SE of Yerba Buena Spring, Gold Creek. 1250 Comment
  CAS-BOT-BC250114  Eriogonum fasciculatum var. polifolium LeRoy Abrams 1902-6-30 2608 Los Angeles Mt. Wilson. San Gabriel Mountains Comment
  UC501515  Eriogonum fasciculatum var. polifolium J. Ewan 1931-5-30 4264 Los Angeles Short Cut Canyon, off West Fork San Gabriel River San Gabriel Mts., Short Cut Canyon, West Fork San Gabriel Ri 1219 Comment
  CAS-BOT-BC253448  Eriogonum gracile Carl B. Wolf 1932-9-15 4083 Los Angeles 9 1/2 mi. above Saugus, opposite Glenwood's Cafe on Highway, Mint Canyon 457 Comment
  SBBG62114  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles 5 mi S of Sandberg's Comment
  RSA226092  Eriogonum gracile var. gracile Robert F. Thorne, C. W. Tilforth 1971-6-17 39903 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  VVC2940  Eriogonum gracillimum Tim Thomas 2014-5-4 6297 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  JEPS56624  Eriogonum grande var. grande Ralph Hoffmann 1930-6-28 Los Angeles cliffs near Christy's (Station C); Catalina Island Comment
  RSA393217  Eriogonum grande var. grande E. S. Spalding s.n. Los Angeles Banning Beach, Santa Catalina Island. Comment
  OBI5899  Eriogonum heermannii Carl B. Wolf 1931-11-8 2629 Los Angeles Big Rock Creek, Desert Slope of San Gabriel Mts, 1/8 mi below Big Rock Ranger Station 1067 Comment
  RSA226964  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41250 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  RSA782015  Eriogonum microtheca Elizabeth A. Kempton, Eric Paul 2006-9-10 443 Los Angeles Along Hwy. 2, at turnout 2041 Comment
  POM17605  Eriogonum microtheca var. corymbosoides P. A. Munz 1923-8-30 7661 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  OBI39746  Eriogonum mohavense David J. Keil 1977-5-8 12326 Los Angeles Just outside of Saddleback Butte State Park Comment
  RSA795206  Eriogonum nudum var. pauciflorum Jane Tirrell 2012-8-3 LS 0147 Los Angeles South side California State Route 2 at turnout approx. 300 ft. east of mile marker 67.86 2306 Comment
  SBBG64120  Eriogonum nudum var. pauciflorum R. Hoffmann 1927-9-9 Los Angeles E end of Pine Cyn Comment
  SBBG64151  Eriogonum nudum var. westonii R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  LA201186  Eriogonum parvifolium Peter H. Raven; May 1964 346 Los Angeles 3 Comment
  UC494416  Eriogonum parvifolium Philip A. Munz 1932-8-31 12813 Los Angeles Playa del Rey Comment
  UCR240031  Eriogonum plumatella R. G. Swinney 2009-11-13 11609 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
  RSA727369  Eriogonum pusillum R. G. Swinney 1998-5-16 6071 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  CAS-BOT-BC267610  Eriogonum saxatile Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3376 Los Angeles Along stream and immediately adjacent flats and slopes, ca 130 m N to 250 m NNW of Icy Springs, Big Rock Creek Canyon, San Gabriel Mountains 1732 Comment
  RSA523418  Eriogonum trichopes var. trichopes G. H. True 1936-5-16 295 Los Angeles Head of Mint Canyon, 4 miles south of Palmdale 915 Comment
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Feb 8 2011
  CAS-BOT-BC268173  Eriogonum umbellatum var. minus H. E. McMinn 1926-7-22 1790 Los Angeles Bear Flat trail to Mt. San Antonio Comment
  UCR202538  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8017 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  CAS-BOT-BC268207  Eriogonum umbellatum var. munzii John Thomas Howell 1947-7-18 23399 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA569410  Eriogonum wrightii var. subscaposum Bonnie C. Templeton 1932-8-26 5101 Los Angeles Big Pines park, San Gabriel Mountains 2088 Comment
  CAS-BOT-BC297929  Eriophyllum confertiflorum Geo. B. Grant 1902-5-14 s.n. Los Angeles Glendora Comment
  POM6506  Eriophyllum confertiflorum P. A. Munz, L. T. Street, G. Williams 1919-4-19 2483 Los Angeles Lone Hill, Glendo. Comment
  RSA598138  Eriophyllum confertiflorum V. W. Steinmann, Timothy S. Ross 1995-5-8 665 Los Angeles Liebre Mountains, along Bouquet Canyon Road, ca. 1 km (by air) ENE of the Bouquet Guard Station and adjacent to Bouquet Campground #3 725 Comment
  RSA530074  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross 1991-8-16 5855 Los Angeles Horse Flats, San Gabriel Mountains. 1713 Comment
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Sep 24 2014
  SBBG17980  Eriophyllum confertiflorum var. confertiflorum E. R. Blakley 1963-4-7 5515 Los Angeles S side of Middle Ranch Cyn 0.25 mi below Eagles Nest 152 Comment
  SBBG53962  Eriophyllum confertiflorum var. confertiflorum K. R. Montgomery, T. W. Strid 1973-6-7 73 -149 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  UC535504  Eriophyllum confertiflorum var. confertiflorum Ira W. Clokey, B. Templeton 1929-5-1 4477 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 91 Comment
  CAS-BOT-BC308339  Eriophyllum nevinii Ira L. Wiggins 1949-2-22 11966 Los Angeles Near north-east end of San Clemente Island 38 Comment
  CAS-BOT-BC308345  Eriophyllum nevinii J. C. Nevin 1885-1-1 s.n. Los Angeles San Clemente Island Comment
  CAS-BOT-BC308350  Eriophyllum nevinii Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-22 22671 Los Angeles east side 1 mile south of Wilsons Cove, San Clemente Island 35 Comment
  HSC47185  Eriophyllum nevinii M. B. Dunkle 1939-5-28 8101 Los Angeles South end, Santa Barbara Island Comment
  POM19158  Eriophyllum nevinii P. A. Munz 1923-4-10 6756 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA515094  Eriophyllum nevinii Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-28 795 -2 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  SBBG127062  Eriophyllum pringlei A. Parikh, N. Gale 2011-6-11 3450 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1188 Comment
  RSA702956  Eriophyllum wallacei Scott D. White, Michael Honer 2004-3-30 9967 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR270151  Eriophyllum wallacei R. G. Swinney 2011-4-20 14436 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  SBBG131997  Erodium botrys S. A. Junak 1996-4-12 SCI 291 Los Angeles E edge of terrace at head of more northern of 2 parallel cyns, E of Peak 1396 408 Comment
  SBBG98681  Erodium botrys T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5170 Los Angeles 1100 ft SSW of Twin Dams, 1450 ft NNW of Boulder marker (1859) 490 Comment
  RSA190963  Erodium brachycarpum Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36750 Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  UC1922284  Erodium cicutarium Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 702 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 14.5'' N 118deg 17' 15.8'' W T2N Comment
  UC1930130  Erodium cicutarium V. Soza, LeRoy Gross 2001-5-14 1216 Los Angeles Transverse Ranges; San Gabriel Mountains region; Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  RSA533431  Erodium cicutarium Tim S. Ross 1991-4-21 4518 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  SDSU17727  Erodium cicutarium S. H. Bullock 1968-3-26 14 Los Angeles Claremont, Blachard Park, Mills Ave. between First and Sixth Streets. 351 Comment
  PASA669  Erodium moschatum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA390929  Erodium moschatum Tom Burch 1940-3-9 4020 -3 Los Angeles Redondo Beach. 0 Comment
  RSA592195  Erodium moschatum Louis C. Wheeler 1967-4-9 9182 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Canyon Inn. Comment
  CAS-BOT-BC40709  Erysimum capitatum Robert F. Thorne; M. Z. Thorne 1967-6-25 37087 Los Angeles San Gabriel Mountains. Along fire-road between Cobal and Evey Canyons. 731 Comment
  SFV15592  Erysimum capitatum K. C. Molina, K. L. Garrett 1992-5-10 16 Los Angeles San Gabriel Mountains Valyermo. Valyermo Road, about 1 km northwest of Big Rock Creek. 1200 Comment
  SDSU2404  Erysimum capitatum A. H. Gallup 1949-2-3 117 Los Angeles On Mills Ave. - - east of Claremont. 366 Comment
  POM307852  Erysimum capitatum var. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2722 Los Angeles North Craig Ave., Altadena Comment
  SBBG91997  Erysimum capitatum var. capitatum M. N. Ackley -May-1926 130 Los Angeles Ranger Station, Big Tujunga 511 Comment
  SD48481  Erysimum capitatum var. capitatum E. K. Balls, P. C. Everett 1958-2-12 22864 Los Angeles Southwest of San Antonio Dam, north of Claremont. 550 Comment
  LA204346  Erysimum capitatum var. capitatum R. A. Freeman; 1950-7-4 sn Los Angeles San Gabriel Mountains, Turnout area 32.6 mi beyond Red Box 1280 Comment
  RSA429810  Erysimum suffrutescens Richard Arnold 1984-8-10 1027 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2. Comment
  RSA530226  Erysimum suffrutescens Howard Mullins 1931-2-28 s.n. Los Angeles El Segundo. Comment
  SEINET8390060  Erythranthe purpurea Wesley Griesel 1962-6-2 Los Angeles Big Bear City, San Sernadino Mts. 2073 Comment
  LA91407  Eschscholzia caespitosa Bruce Douglas Clayton; Greg Shaw 1972-3-16 sn Los Angeles Santa Monica Mountains, Mountain Park Research Campus, E side of road near turn-out 594 Comment
  UCR272542  Eschscholzia caespitosa R. G. Swinney 2011-5-6 14578 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  CAS-BOT-BC403173  Eschscholzia californica John H. Thomas 1957-4-27 6707 Los Angeles Santa Monica Mountains. Coastal hills, west side of mouth of Latigo Canyon, about 3 miles northwest of Pt. Dume. 15 miles due west of Santa Monica 152 Comment
  RSA0091112  Eschscholzia californica R. G. Swinney 2011-4-28 14544 Los Angeles north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  RSA578658  Eschscholzia minutiflora Tim S. Ross, J. Mark Porter 1994-5-1 7600 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG98509  Eschscholzia ramosa T. Ross 1991-5-21 5383 Los Angeles upper E branch of Box Cyn 472 Comment
  SDSU19643  Eschscholzia ramosa Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2200 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 183 Comment
  UC2015607  Eucalyptus polyanthemos Tim Ross, Janet Takara, Stacey Otte 1993-4-24 6964 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, lower Bouchette Canyon, ca 545 m W of Johnsons Landing, at an old Boy Scout camp; Comment
  RSA75984  Eucrypta chrysanthemifolia F. W. Peirson 1930-5-30 8902 Los Angeles Mint Canyon 610 Comment
  RSA586630  Eucrypta chrysanthemifolia var. bipinnatifida Tim S. Ross, S. D. Boyd 1991-3-23 4268 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, +/- west of Lovejoy Springs (destroyed by development.) 884 Comment
  UCSB26239  Eucrypta micrantha Black, Nan 1968-4-6 Los Angeles 100 feet south of Santiago Canyon Road, 0.6 miles north of junction of Old Sierra Highway and Santiago Road, 4 miles northeast of Acton 914 Comment
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Jun 30 2013
  UCR241084  Euphorbia albomarginata Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  SD232675  Euphorbia dendroides D. Koutnik 1996-4-20 Los Angeles San Gabiel Mtns.: foothills above Pasadena, side canyon of Eaton Wash along New York Drive, 0.25 mi. N of Sierra Madre Blvd. 299 Comment
  RSA499116  Euphorbia helioscopia L. C. Wheeler 1936-6-28 4194 Los Angeles 3 miles SE of El Monte Comment
  RSA762497  Euphorbia maculata R. G. Swinney 2008-11-29 9846 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA32390  Euphorbia melanadenia Anstruther Davidson 1895-04 s.n. Los Angeles Garvanza Hills Comment
  RSA733161  Euphorbia palmeri R. G. Swinney 1997-6-13 5596 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  CATA3084  Euphorbia peplus Amy Catalano 2016-4-22 081 Los Angeles Santa Catalina Island: Under bridge by Quail Valley, on south side of bridge, east side of bank 138 Comment
  UCR219565  Euphorbia peplus R. G. Swinney 2009-3-28 10206 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
  RSA600890  Euphorbia peplus L. C. Wheeler 1946-4-14 6183 Los Angeles San Gabriel Mountains. Fish Canyon ca. one mile downstream from falls. 396 Comment
  UCR124253  Euphorbia polycarpa L. C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mtns, Burbank; Glen Oaks and Lamer St Comment
  UCR90485  Euphorbia terracina D. L. Koutnik 1996-3-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Corral Canyon Road c. 0.25 mi. north of Pacific Coast Hwy (=Hwy 1), at crossing of Solstice Canyon. 10 Comment
  JEPS30500  Euthamia occidentalis Peter H. Raven and Henry J. Thompson 1959-10-18 14658 Los Angeles near mouth of Topanga Canyon; Santa Monica Mountains 4 Comment
  UC1584731  Festuca arundinacea Tim Ross and Annette Ross 1991-6-3 5514 Los Angeles Elephant Hill, w Pomona Pomona 249 Comment
  UCR220171  Festuca microstachys R. G. Swinney 2009-4-2 10249 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR220290  Festuca myuros R. G. Swinney 2009-4-24 10476 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR272357  Festuca myuros R. G. Swinney 2011-6-20 15227 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA0088632  Ficus microcarpa R. E. Riefner Jr. 2015-7-19 15 -203 Los Angeles City of Carson, Dominguez Channel at Figueroa St. growing on S channel bank. 7 Comment
  UCR267272  Ficus microcarpa R. E. Riefner Jr. 2014-7-27 14- 260 Los Angeles South Coast, city of Long Beach, north of East 2nd Street and west of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Avenue between Monroe Avenue and East Vista Street 6 Comment
  RSA393714  Filago californica F. R. Fosberg 1931-4-22 4670 Los Angeles Santa Catalina Island. Eagle's Nest, Middle Ranch Canyon. 180 Comment
  RSA591980  Filago californica Mark Hoefs, D. Propst 1973-3-14 90 Los Angeles Santa Catalina Island. Ridge between Cape and Skull Canyons. 305 Comment
  UCR209154  Filago californica Dan S. Cooper 2009-4-30 409- 3 .3 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., NW shoulder of Cahuenga Peak, Griffith Park 511 Comment
  UCR229141  Filago californica Dan S. Cooper 2011-4-8 411- 42 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
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Jan 6 2012
  RSA594590  Filago gallica L. C. Wheeler 1967-5-7 9294 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 640 Comment
  UCR205560  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA588307  Forestiera pubescens Orlando Mistretta 1994-4-15 1038 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  POM306717  Frangula californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1665 Los Angeles Soldiers' Creek, San Gabriel Mountains. Comment
  UCR273289  Frangula californica subsp. californica R. G. Swinney 2011-7-7 15451 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
  CAS-BOT-BC53484  Frangula californica subsp. tomentella Timothy S. Ross; Steve Boyd 1994-9-21 8292 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  RSA350143  Fraxinus dipetala Wesley O. Griesel 1986-5-14 s.n. Los Angeles Lower Placerita Canyon. Comment
  RSA320396  Fraxinus velutina Walter Wisura, B. Haner 1984-10-17 4024 Los Angeles 4.3 mi. fr. Hwy. 39 along W fork of San Gabriel River. Comment
  SEINET10529036  Freesia refracta David B. Dunn 1946-1 Dunn 1999 Los Angeles Ornamental in yard at 316 n. Ave. 5O Comment
  RSA77222  Fremontodendron californicum subsp. californicum Joseph A. Ewan 1932-5-29 7211 Los Angeles Arratre Canyon 1220 Comment
  RSA706911  Fritillaria biflora Gary D. Wallace 1985-3-3 2187 Los Angeles Near Ventura-Los Angeles county line, 1/4 mi. E of junction of Pacific View Dr. and Deer Creek Rd. 463 Comment
  RSA68724  Fritillaria pinetorum Frank W. Peirson 1922-7-6 5337 Los Angeles Westward from highest point of Blue Ridge, San Gabriel Mountains 2500 Comment
  POM3368  Funastrum cynanchoides var. hartwegii C. F. Baker 1903-8-5 3676 Los Angeles Claremont. Comment
  CAS-BOT-BC223025  Galium angustifolium A. C. Sanders 2003-3-14 25777 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  IRVC28741  Galium angustifolium A. C. Sanders, M. S. Enright, Mark Elvin, Cathleen Weigand 2002-8-8 25576 Los Angeles Newhall Ranch, ridgetops on the south side of Potrero Canyon, above the dirt road to bench mark 1804, N of East Fork Salt Canyon NE end of Santa Susana Mtns. 488 Comment
  UCR197211  Galium angustifolium Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 819 Los Angeles Verdugo Mountains, south side, Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, west of De Bell Municipal Golf Course 396 Comment
  UCR259572  Galium angustifolium R. G. Swinney 2010-5-7 12603 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  LA105083  Galium angustifolium subsp. angustifolium Barry A. Prigge; 1988-7-3 8225 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  RSA226078  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-17 39948 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  UCD121582  Galium angustifolium subsp. angustifolium Daryl Koutnik 1978-6-24 550 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  POM219653  Galium angustifolium subsp. gabrielense F. R. Fosberg 1932-6-18 8558 Los Angeles Below Camp Baldy, San Antonio Canyon 1400 Comment
  POM367740  Galium aparine Louis Greata 1901-03 s.n. Los Angeles Highland Park. Comment
  UCR205217  Galium aparine R. G. Swinney 2006-6-18 8537 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  UCR282137  Galium aparine R. G. Swinney 2014-5-15 16540 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
  SDSU9324  Galium catalinense D. F. Howe 1953-5-3 2279 Los Angeles Hillside, mouth of Wain Canyon, Santa Catalina Island. Comment
  SBBG132118  Galium catalinense subsp. acrispum S. A. Junak 1996-4-13 SCI 313 Los Angeles S fork of first cyn S of Bryce Cyn, upstream from fork in cyn 274 Comment
  RSA187782  Galium catalinense subsp. catalinense Robert F. Thorne 1966-4-30 36349 Los Angeles Santa Catalina Island; mouth of Gallagher's Canyon. 8 Comment
  RSA678814  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1291 -a Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.5 miles from trailhead out of Chantry Flat area. 823 Comment
  SD219106  Galium grande Orlando Mistretta, Christine Mistretta 2008-5-20 3170 Los Angeles San Gabriel Mountains region: Southern California Edison transmission line corridor, Fish Canyon drainage; Van Tassel Motorway just south of junction with Monrovia Canyon Truck Trail. 986 Comment
  CAS-BOT-BC499143  Galium hallii Valerie Soza 2004-6-17 1724 b Los Angeles San Gabriel Mountains. Along Hwy 2, at Vincent Gap trailhead to Mt. Baden-Powell 2026 Comment
  RSA0005750  Galium hallii L. R. Abrams, E. A. McGregor 1908-7-3 598 Los Angeles North Baldy Mt., Rock Creek Canyon. 1524 Comment
  SD251291  Galium hilendiae Duncan S. Bell, Caitlin Elam 2013-7-11 5349 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; on a trail above Vicent Gulch. 1997 Comment
  SD52382  Galium parisiense Benjamin C. Stone 1953-3-16 303 Los Angeles San Jose-Puente Hills, south of Pomona, on the Brea Canyon Road, slope and stream 244 Comment
  RSA0005776  Galium siccatum var. anotinum F. W. Peirson 1918-8-7 215 Los Angeles Mt. San Antonio ('Baldy'), San Gabriel Mts. 2134 Comment
  SEINET12285750  Galium stellatum J. F. Bright, Wyman, C. 1931-1 5584 Los Angeles back of Manhattan Beach Comment
  RSA604406  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash. 671 Comment
  UC53646  Gastridium ventricosum Dr. A. Davidson Los Angeles Catalina Is. Comment
  UCD170714  Gayophytum R. G. Swinney 2009-7-29 11420 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit. 2172 Comment
  RSA286667  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44760 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  UCR50064  Gayophytum diffusum subsp. parviflorum David Charlton 1986-6-15 226 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  JEPS27573  Gayophytum oligospermum Frank W. Peirson 1921-7-3 2483 Los Angeles Vincent Gulch San Gabriel Mountains 1981 Comment
  UC519957  Gayophytum oligospermum Louis Wheeler 1932-7-2 914 Los Angeles Browns Flat San Gabriel Mts. 1310 Comment
  SBBG38926  Genista linifolia E. R. Blakley 1963-4-9 5568 Los Angeles above Pebbly Beach along Terrace Drive 121 Comment
  UCR108421  Genista linifolia L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Mt. Wilson road, below Henninger Flats 671 Comment
  PASA672  Geranium carolinianum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  UCR179662  Geranium carolinianum R. G. Swinney 1991-4-23 1586 Los Angeles San Gabriel Valley, Glendora, South Hills City Park, along Toyon Trail, south of Mauna Loa Park 256 Comment
  RSA671309  Geranium columbinum A. Sandig 1927-7-4 s.n. Los Angeles Highland Park Comment
  SEINET7963094 Image available Gilia achilleifolia Agatha Stratman 1938-1 185 Los Angeles Immaculate Heart College, Hollywood Comment
  RSA470110  Gilia angelensis Geo L. Moxley 1917-2-4 524 Los Angeles Van Nuys. Comment
  RSA656203  Gilia angelensis Joseph M. Keefe 1978-4-20 22720 Los Angeles South east corner of Golden State Freeway (Interstste Hwy. 5), and Ventura Freeway (Calif. Hwy. 134),400 meters west of Los Angeles River. 140 Comment
  UC205921  Gilia angelensis Geo. B. Grant 1901-1 501 Los Angeles Pasadena Comment
  RSA71900  Gilia angelensis F. W. Peirson 1918-5-5 915 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  UCR280902  Gilia cana R. G. Swinney 2014-4-23 16177 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
  UC2062977  Gilia capitata Anna Kostikova with Glen Litsios, Sarah Burgy 2010-6-16 15 Los Angeles Transverse Ranges, Liebre Mountains Region, downhill from the saddle between Sawmill Mountain and Liebre Mountain, Road 7N23 turn from Road 7N08. Comment
  UC303700  Gilia capitata subsp. abrotanifolia D. L. Crawford Jun 1913-June 1915 Los Angeles mts. above Claremont; mts. above Claremont 1981 Comment
  UCSB29271  Gilia capitata subsp. abrotanifolia Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  RSA0011522  Gilia diegensis Orlando Mistretta, Christine Mistretta 2011-6-23 5743 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0070130  Gilia latiflora subsp. davyi Orlando Mistretta, Christine Mistretta 2003-4-30 1985 Los Angeles Lake Los Angeles. SE corner of Avenue N and 170th Street. 443 Comment
  RSA611840  Gilia latiflora subsp. davyi Steve Boyd, Valerie Soza 1998-4-28 10172 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
  SEINET3163603  Gilia multicaulis L. Abrams 1903-4-10 3245 Los Angeles near Inglewood Comment
  RSA549900  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-5 128 Los Angeles San Clemente Island: S-facing slope in Guds area on extreme S end of island. 175 Comment
  SBBG31313  Gilia nevinii R. F. Thorne with P. C. Everett 1965-5-11 34575 Los Angeles N side of N beach of Little Harbor 15 Comment
  UC718501  Gilia ochroleuca subsp. bizonata Carl B. Wolf 1935-5-6 6733 Los Angeles 1/2 mi e Gorman (Liebre Mts.); , e of Gorman 1158 Comment
  CAS-BOT-BC402079  Gilia ochroleuca subsp. vivida F. W. Peirson 1929-7-1 8438 Los Angeles Summit Mt. Pacifico, San Gabriel Mts. 2148 Comment
  RSA570190  Gilia sinuata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 s.n. Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  UCR192870  Gilia splendens R. G. Swinney 1998-8-6 6720 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  CAS-BOT-BC303658  Glebionis coronaria Steven A. Junak 1997-5-20 SCI- 878 Los Angeles WIlson Cove, in Public Works Storage Yard, behind gymnasium bldg, San Clemente Island 60 Comment
  RSA95132  Glyptopleura setulosa F. W. Peirson 1930-5-31 8917 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. Comment
  POM358776  Gnaphalium californicum M. B. Dunkle 1932-5-28 2963 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA649818  Gnaphalium californicum Matt Brooks 1988-5-1 29 Los Angeles Whittier, along the fire road at the bottom of Turnbull Canyon 0.3 miles south of its intersection with the Skyline Equestrian trail. Comment
  RSA773908  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-22 11350 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  IRVC26843  Gnaphalium luteo-album S. D. White 1997-11-5 6018 Los Angeles Mouth of Trancas Canyon, N of Pacific Coast Hwy (= CA Hwy 1) Malibu Coast 0 Comment
  LA32053  Gnaphalium palustre Peter H. Raven; Henry J. Thompson 1959-9-6 14392 Los Angeles Santa Monica Mountains, Malibu Creek, near mouth of Malibu Creek 12 Comment
  POM358899  Gnaphalium palustre L. C. Wheeler 1934-3-11 2435 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  RSA188294  Gnaphalium palustre R. F. Thorne 1966-6-2 36515 Los Angeles Santa Catalina Island: dry margin of Echo Lake, NNE of Black Jack Mt. 412 Comment
  RSA232285  Gnaphalium palustre R. F. Thorne, M. Z. Thorne 1969-7-10 38409 Los Angeles Angeles National Forest: near Lodgepole Picnic ground, 1.5 miles SE of Dawson Saddle along Angeles Crest Highway. 2317 Comment
  UC1076317  Grayia spinosa Herbert L. Mason 1926-4-26 2992 Los Angeles 1 mi. e. Palmdale Comment
  OBI62224  Gutierrezia californica P. A. Holden 1968-9-15 553 =630 Los Angeles SE of Rosamond in the Antelope Valley Comment
  UC32181  Gutierrezia sarothrae J. H. Barber 1897-6-22 170 Los Angeles San Fernando Valley Comment
  CATA1987  Harpagonella palmeri Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 355 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, ca. 0.65 miles SW of Black Jack Peak 396 Comment
  UCR277049  Hedera helix R. G. Swinney 2011-9-22 15677 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  UCR95581  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mtns., south fork of Big Rock Creek in the vicinity of Lily Spring 2378 Comment
  RSA0001264  Helenium bigelovii Joseph A. Ewan 1930-6-23 2655 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  CAS-BOT-BC223984  Helianthemum scoparium Le Roy Abrams 1901-4-3 1278 Los Angeles Santa Monica Mts. Comment
  RSA441794  Helianthemum scoparium var. vulgare Anstruther Davidson 2392 Los Angeles Sierra Madre Comment
  RSA0048579  Helianthus annuus Harold L. Pirie 1964-4-15 s.n. Los Angeles Pierce College Campus, Pine Hill. 243 Comment
  UCR277087  Helianthus annuus subsp. lenticularis R. G. Swinney 2010-10-5 13982 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  IRVC28584  Heliotropium curassavicum A. C. Sanders, Mark Elvin 2002-6-19 25171 Los Angeles Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River NE end of Santa Susana Mtns. 305 Comment
  SBBG67844  Helminthotheca echioides M. N. Ackley -Oct-1927 Los Angeles Eagle Rock 182 Comment
  POM360254  Hemizonia fasciculata F. R. Fosberg 1931-7-9 763 Los Angeles Avalon, Santa Catalina Island. 30 Comment
  CDA35654  Hemizonia kelloggii R. Arias, L. Cortez 2011-8-16 PDR# 1313940 Los Angeles Leona Valley; Elizabeth Lake Road near 90th Street. 0 Comment
  UCR118633  Hemizonia minthornii O. F. Clarke 1981-3-22 s.n. Los Angeles Santa Susana Mtns., about 2 miles west of Chatsworth [probably in vicinity of Santa Susana Pass] Comment
  UCR217143  Hemizonia minthornii Jonas A. Winbolt, Rocky Brown 2010-8-23 001 Los Angeles Western Transverse Range, east side of Simi Hills, Chatsworth, west of drainage within Santa Susanna Historical Park, near Oak Park Cemetery 322 Comment
  RSA305712  Hemizonia pungens Mark Hoefs 1973-6-4 309 Los Angeles Santa Catalina Island: Los Angeles County: open field above golf course #4 green Avalon Canyon. 53 Comment
  SD253561  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Moutains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road., Ecology Trail east of the Nature Cente (Mint Canyon 7.5'Q) 487 Comment
  UCSB72453  Hesperocnide tenella Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  CAS-BOT-BC280681  Hesperostipa comata A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton Comment
  CAS-BOT-BC135939  Hesperoyucca whipplei W. R. Dudley; F. H. Lamb 1896-6-8 4385 Los Angeles King's Canyon, Lebre Mountains Comment
  CAS-BOT-BC135945  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  LA22797  Hesperoyucca whipplei Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA654265  Heteromeles arbutifolia Monica Acosta 1998-5-26 32 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona). 226 Comment
  UCR212818  Heteromeles arbutifolia Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1754 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 314 Comment
  UCR271758  Heteromeles arbutifolia R. G. Swinney 2011-3-26 14233 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. 524 Comment
  RSA0072428  Heteromeles arbutifolia Freda Detmers 1929-11-11 s.n. Los Angeles Griffith Park. Comment
  SEINET6710052  Heteromeles arbutifolia var. macrocarpa G. B. Grant 1901-1 567 Los Angeles Santa Monica Range, southern California Comment
  RSA0074069  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard. Comment
  RSA0075640  Heterotheca grandiflora John P. Hill 1932-3-5 4983 Los Angeles Verdugo Woodlands. Comment
  SEINET6040162  Heterotheca grandiflora Unknown 1996-7-11 8897 Los Angeles Liebre Mountains Comment
  OBI35961  Heterotheca sessiliflora subsp. fastigiata J. & B. Semple, B. Semple 1981-8-14 5592 Los Angeles Ca-2 N of La Canada Flintridge Boudnary of natl fores (San Gabriel Mts) Comment
  UCR189833  Heuchera R. G. Swinney 1998-7-14 6456 Los Angeles San Gabriel Mtns., north slope of Pine Mountain Ridge, from high point to Prairie Fork, c. 1 mi. SE of Cabin Flat 2165 Comment
  RSA0076375  Heuchera elegans Mark Elvin, Orlando Mistretta 1995-9-15 100 Los Angeles Glendora Saddle up trail to Lookout Mountain. 1494 Comment
  RSA95174  Hieracium albiflorum F. W. Peirson 1921-7-3 2480 Los Angeles Vincent Gulch tributary to East Fork of San Gabriel Mts. [River] 1982 Comment
  RSA95179  Hieracium argutum F. W. Peirson 1918-10-24 1498 Los Angeles Big Santa Anita Canyon, San Gabriel Mountains. 1067 Comment
  LA30872  Hirschfeldia incana Peter H. Raven; Jane Turner, Barbara Whitesel C 150 Los Angeles Santa Monica Mountains, Point Dume Comment
  RSA640507  Holodiscus microphyllus Louis C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains: Middle (Mt. ?) Hawkins. 2470 Comment
  CATA507  Hordeum intercedens Sara L. Crockett 1997-4-2 651 Los Angeles Santa Catalina Island: Clearing adjacent to point above Empire Landing Quarry site, 0.25 mile N of Empire Landing Road from point 2.4 miles W of jct. with Airport Road 240 Comment
  SD264707  Hordeum intercedens Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 Sca 596 Los Angeles UTM in supplement. Santa Catalina Island: Small rise just NE of Airport road, just S of ridge with Whitley's Peak. 427 Comment
  SD90597  Hordeum intercedens Robert F. Thorne 1966-4-16 36051 Los Angeles San Clemente Island; rocky slope above pebbly beach. 2 Comment
  CDA2187  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1945-4-17 6018 Los Angeles Los Angeles Basin, near intersection of Slauson and Garfield Ave., [city of Commerce] 3 miles south of Montebello Comment
  RSA158304  Hordeum marinum subsp. gussoneanum P. H. Raven 1962-7-10 17970 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island Comment
  RSA599764  Hordeum marinum subsp. gussoneanum Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9783 Los Angeles Along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 600m southeast of transit station Hiway., Near 34? 37' 00N 118 ? 40' 58.8W 975 Comment
  RSA258400  Hordeum murinum subsp. glaucum C. W. Tilforth 1972-4-22 510 Los Angeles Weeds of Rancho Santa Ana Botanic Garden Comment
  RSA648011  Hordeum murinum subsp. glaucum Diane Elliott 1985-5-10 24 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UC572676  Hordeum murinum subsp. glaucum Nell Murbarger April 1936 114 Los Angeles San Clemente Island Comment
  RSA711503  Horkelia cuneata J. George 2001-08 s.n. Los Angeles South Coastal Plains Region: Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  RSA747172  Horkelia rydbergii Orlando Mistretta 1992-6-23 608 Los Angeles Transverse Ranges; San Gabriel Mountains region: Little Rock Creek. Comment
  UC10305  Hornungia procumbens A. Davidson 1904-5-18 Los Angeles Antelope Valley Comment
  RSA0081371  Hulsea heterochroma R. G. Swinney 2010-9-9 13788 Los Angeles 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
  JEPS34900  Hulsea vestita subsp. gabrielensis F. W. Peirson 1921-6-15 2440 Los Angeles between Pine Flats and Chilao; San Gabriel Mts. 1676 Comment
  POM223063  Hydrocotyle ranunculoides L. C. Wheeler 1933-7-14 1939 Los Angeles San Gabriel Valley Rio Hondo. 58 Comment
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Feb 24 2020
  RSA678324  Hymenolobus procumbens V. Soza, LeRoy Gross 2002-4-3 1382 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 549 Comment
  CAS-BOT-BC273561  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles N.W. corner of Sunset Blvd. & Groverton St., Westwood Comment
  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
  RSA225280  Hypochaeris glabra R. F. Thorne, A. C. Gibson 1971-5-22 39726 Los Angeles San Gabriel Mountains: Angeles National Forest; Fish Canyon. 244 Comment
  JEPS36539  Hypochaeris glabra F. W. Peirson 1920-5-14 1469 Los Angeles Arroyo Seco; San Gabriel Mts. 441 Comment
  RSA659737  Hypochaeris glabra Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 96 Los Angeles San Clemente Island. Comment
  UCR115448  Iris pseudacorus Anonymous 1993-12-15 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Preserve 183 Comment
  UCR224023  Iris pseudacorus Steve Boyd, Rick Riefner 2007-4-27 11739 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UCSB51537  Isocoma acradenia Hodgson, John 1928-11 Los Angeles At bridge above Grapevine, Ridge Route; Santa Barbara Forest 548 Comment
  RSA653344  Isomeris arborea Kelly Middleton, David Middleton 1988-5-23 23 Los Angeles Glendora Ridge Road, 8.4 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1066 Comment
  IRVC29018  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-25 25296 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  SEINET11446673 Image available Jaumea carnosa G. B. Grant 1904-6-10 625 Los Angeles Redondo Comment
  OBI13701  Juglans californica Unknown 1964-4-18 107 Los Angeles End of Colima Dr past post office tract. E slope of Topanga Cyn, Santa Monica Mts Comment
  RSA608648  Juglans californica Louis C. Wheeler 1931-3-13 s.n. Los Angeles San Dimas: Puddingstone. Comment
  RSA785731  Juglans californica Carrie A. Herd 1982-4-7 69 Los Angeles Walnut, Mt. San Antonio College Comment
  RSA0010675  Juglans californica Wesley O. Griesel 1987-4-7 s.n. Los Angeles San Rafael Hills, Descanso Gardens: Growing naturally in a buffer zone of the original natural plants Comment
  RSA0011178  Juglans californica E. Crow 1929-4-14 324 Los Angeles Foothills NE of Glendora Comment
  RSA0011181  Juglans californica D. F. Howe 1947-3-22 s.n. Los Angeles Topanga Canyon 1/2 mile from ocean. Comment
  UC1349382  Juglans californica var. californica E. L. Lioret June, 1944 8695 Los Angeles Glendora Comment
  UC535344  Juglans californica var. californica Ira W. Clokey, B. Templeton June, 1929 4585 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  RSA0011175  Juglans californica var. californica Tim S. Ross, Steve D. Boyd 1990-5-29 2704 Los Angeles San Gabriel Mts.: Big Rock Creek. Empty, gutted cabin on E side of riparian strip, just upstream from the Gaging staton. 1236 Comment
  RSA0047637  Juglans hindsii R. E. Riefner Jr. 2014-5-10 14 -113 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, east of Woodley Ave., west of San Diego Freeway, north of Burbank Blvd. 213 Comment
  UCD169213  Juglans hindsii R. E. Riefner Jr. 2014-5-10 14- 113 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, E of Woodley Ave, W of San Diego Freeway, N of Burbank Blvd. 213 Comment
  UCR193949  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UC729504  Juncus acutus subsp. leopoldii Carl B. Wolf 1932-9-16 Los Angeles extreme se corner Pacific Western Oil Co. (Bryant Ranch, 100-150 ft of State Hwy) 1 Comment
  UC115126  Juncus ambiguus T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  IRVC29013  Juncus bufonius A. C. Sanders, Mark Elvin 2002-6-25 25290 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA782111  Juncus bufonius A. C. Sanders, Dan S. Cooper 2010-4-30 38158 Los Angeles Madrona Marsh, Torrance. 24 Comment
  SBBG128408  Juncus bufonius M. L. Hoefs 1995-5-23 2123 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  SBBG20521  Juncus bufonius E. R. Blakley 1963-12-7 6345 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  CATA1089  Juncus bufonius var. bufonius Mark L. Hoefs 1995-5-16 2039 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR259194  Juncus bufonius var. congestus Mitch Provance, Callen Huff 2009-4-29 10693 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
  UCR153128  Juncus bufonius var. occidentalis A. C. Sanders 2005-5-5 29897 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  UCR189982  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  RSA754197  Juncus rugulosus Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1795 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  UC2030047  Juncus rugulosus Louis C. Wheeler 1966-10-1 8939 Los Angeles SAN GABRIEL MOUNTAINS: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. Comment
  POM184648  Juncus textilis L. C. Wheeler 1931-9-27 167 Los Angeles San Dimas Canyon, San Gabriel Mountains. 610 Comment
  CAS-BOT-BC320590  Juncus xiphioides Peter Rubtzoff 1988-10-7 9958 Los Angeles Gold Creek Rd near jctn with Little Tujunga Rd, Little Tujunga Canyon, ca. 2 mi NE of the entrance to Angeles National Forest, or ca. 4 mi NE of jctn of Osborne St & Foothill Blvd., San Gabriel Mountains. 478 Comment
  CATA1358  Juncus xiphioides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2470 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  UCR212793  Juncus xiphioides Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1789 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon, north of San Dimas Reservoir]. First road intersection beyond the ranger station, edge of San Dimas Creek along trail next to the gate 454 Comment
  RSA368080  Juncus xiphioides Anstruther Davidson 1921-7-1 3438 ? Los Angeles Arroyo Seco, Pasadena Comment
  LA83986  Juniperus californica O. H. Kappler; 1944-6-4 664 Los Angeles San Gabriel Mountains, Soledad Creek, N slope Comment
  NY99570  Juniperus californica S. D. Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon 1066.8 Comment
  CAS-BOT-BC235625  Keckiella breviflora var. breviflora Timothy S. Ross; Steve Boyd 1995-6-28 8625 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  NY786829  Keckiella breviflora var. breviflora L. J. Xantus de Vesey 1857-1 62 Los Angeles Fort Tejon, and vicinity Comment
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Feb 2 2013
  CAS-BOT-BC235730  Keckiella cordifolia Tim Ross 1993-4-22 6914 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; along dirt road (no longer maintained) that ascends the ridge to the N and drops to Thompson Dam 243 Comment
  CAS-BOT-BC235759  Keckiella cordifolia Robert F. Thorne 1967-5-19 36894 Los Angeles Santa Catalina Islasnd: Lower Middle Ranch Canyon below Eagle's Nest 91 Comment
  CAS-BOT-BC235765  Keckiella cordifolia Alice Eastwood 1917-7-20 6483 Los Angeles Santa Catalina Island Comment
  POM199530  Keckiella cordifolia I. W. Clokey, Bonnie C. Templeton 1929-05 4561 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  RSA584224  Keckiella cordifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7320 Los Angeles Ridge dropping westward from Loop Canyon Road toward Wilson canyon 841 Comment
  SBBG13561  Keckiella cordifolia P. H. Raven 1962-5-10 17733 Los Angeles Horse Cyn, just above cyn floor; the large cyn W of Thirst 274 Comment
  UC1870304  Keckiella cordifolia LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1060 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side of mountains:West side of Brand Canyon just a short distance above the cemetery. Near 34.18778N, 118.27461W. 307 Comment
  RSA0116807  Keckiella ternata R. G. Swinney 2010-8-23 13583 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA703546  Lactuca serriola Michael Honer 2004-6-22 2008 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  SBBG61192  Lagophylla ramosissima R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  POM352651  Lamarckia aurea E. S. Spalding 1926-8-13 15045 Los Angeles Monrovia Canyon [San Gabriel Mountains] Comment
  SEINET200268 Image available Lamarckia aurea Unknown 20 -25 Los Angeles San Gabriel Valley near Claremont Comment
  SEINET11678605  Lamarckia aurea Unknown 1936-1 12696 Los Angeles Santa Monica Mts Comment
  SFV14775  Lamium amplexicaule J. C. Dittes 1990-2-18 28 Los Angeles San Fernando Valley Los Angeles, North Hollywood. 240 Comment
  SFV6168  Lamium amplexicaule T. Gordon 1974-3-20 86 Los Angeles San Fernando Valley Los Angeles, Northridge. CSUN campus orange grove. 260 Comment
  SD60376  Lamium amplexicaule Peter H, Raven 1962-2-1 16877 Los Angeles waste ground, Los Angeles State and County Arboretum 182 Comment
  SEINET3086009 Image available Langloisia matthewsii E. R. Blakley 1958-5-17 2377 Los Angeles Where Rock Creek crosses the Pear Blossom to Victorville Road. 1006 Comment
  RSA0035636  Lantana montevidensis Phil Elliott 1981-2-26 20 Los Angeles Cal Poly Pomona, 50 feet north of bldg. 3. Comment
  POM361488  Lasthenia californica M. B. Dunkle 1932-5-28 2967 Los Angeles White's Landing, Santa Catalina Island. Comment
  CAS-BOT-BC329170  Lasthenia glabrata subsp. coulteri Marcus E. Jones 1882-5-2 3211 Los Angeles Pasadena Comment
  UCR127899  Lasthenia gracilis A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26104 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
  UCR277107  Lasthenia gracilis R. G. Swinney 2011-4-19 14413 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
  CAS-BOT-BC367544  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles Liebre Mountain: 0.25 mile northwest of the old Leibre Ranch headquarters 1066 Comment
  CSUSB2259  Lathyrus laetiflorus Libby Edwards 1970-5-10 40 Los Angeles Sierra Madre Sierra Madre. 576 Elm Ave. Comment
  RSA711508  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region: Forestal property, Rancho Palos Verdes. 305 Comment
  RSA405724  Lathyrus vestitus F. R. Fosberg 1931-3-25 S- 4373 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  SFV1819  Lathyrus vestitus M. L. Vincent 1963-5-7 341 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  RSA603545  Lathyrus vestitus subsp. alefeldii Mark Hoefs, Robert F. Thorne 1996-4-6 2640 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  POM1804  Lathyrus vestitus subsp. laetiflorus D. L. Crawford, Otis Hiatt 1916-3-28 s.n. Los Angeles Hillside above Topanga Canyon Comment
  UC864427  Lathyrus vestitus var. alefeldii L. W. Nuttall 1920-1 45 Los Angeles Santa Catalina Island Comment
  UCD106524  Lathyrus vestitus var. alefeldii Dan Axelrod 1932-3-21 s.n. Los Angeles 1 mi. east of Claremont, Antelope Valley. Comment
  POM305934  Lathyrus vestitus var. vestitus Henry J. Ramsey 1938-5-1 1214 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA213350  Lavatera assurgentiflora subsp. assurgentiflora Reid V. Moran 1941-2-26 625 Los Angeles Santa Catalina Island. Indian Rock, Wilson s Harbor. 5 Comment
  CAS-BOT-BC321524  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 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
  RSA747143  Layia glandulosa R. G. Swinney 2008-5-8 8809 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR193721  Layia glandulosa R. G. Swinney 1999-4-5 7063 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  POM361624  Layia glandulosa M. Bisbee 1917-5-30 s.n. Los Angeles Wild flower garden, Exposition Park Comment
  UCD133911  Layia glandulosa Tom Gordon 1974-4-26 168 Los Angeles Devil's Punchbowl Road. Around 1 mile south of Longview Road. Comment
  SBBG42166  Layia platyglossa M. B. Dunkle 1939-4-3 7233 Los Angeles Chenetti Cyn Comment
  SBBG50381  Layia platyglossa R. M. Beauchamp, M. Douglas 1972-3-24 3249 Los Angeles above Pyramid Cove 150 Comment
  SEINET11805149  Layia platyglossa subsp. campestris L. M. Mayer, Mayer, I. J. 1974-1 139 Los Angeles at intersection of La Tuna Canyon Rd. & Glenoaks Blvd, Sun Valley Comment
  RSA483584  Layia platyglossa subsp. platyglossa D. Charlton 1988-4-3 1713 Los Angeles W of Lancaster on Hwy 138, Agricultural fields. Quail Lake area between Gorman and Holiday Valley. 1067 Comment
  UC140283  Lepechinia fragrans C. F. Baker 1904-6-14 5061 Los Angeles hills near Claremont; ; Claremont Comment
  RSA597815  Lepidium didymum L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mts; Placerita Canyon. 579 Comment
  CAS-BOT-BC89305  Lepidium flavum A. D. E. Elmer 1902-6-1 3653 Los Angeles Lancaster. Comment
  CLARK-A1528-2322  Lepidium flavum John C. Roos 1937-3-25 1336 Los Angeles Comment
  CAS-BOT-BC12842  Lepidium pinnatifidum Louis C. Wheeler 1936-6-14 4155 Los Angeles 2 miles northeast of La Verne. 381 Comment
  CATA1477  Lepidium strictum Mark L. Hoefs, Steven A. Junak 1996-4-30 2673 Los Angeles Santa Catalina Island: Area just outside of Wrigley Garden entry, Avalon Canyon 121 Comment
  CDA3826  Lepidium strictum R. L. Armacost 1973-4-13 2839 Los Angeles Santa Monica. 0 Comment
  RSA479519  Lepidium virginicum var. pubescens Steve Boyd, Thomas Elias 1987-4-14 2060 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  RSA609382  Lepidium virginicum var. virginicum L. C. Wheeler 1941-2-14 s.n. Los Angeles Edge of San Gabriel Mts. foothills ca. 0.5 miles NE of Webb School. 412 Comment
  JEPS37112  Lepidospartum latisquamum Frank W. Peirson 1923-9-1 4017 Los Angeles w end Swarthout Valley (about 1 mi e of Big Pines at the Divide); San Gabriel Mountains, Swartout Valley 2011 Comment
  RSA754147  Lepidospartum squamatum Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1839 Los Angeles San Gabriel River near Rincon Ranger Station 450 Comment
  UCR145194  Lepidospartum squamatum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR212813  Lepidospartum squamatum Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1805 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 181 Comment
  UCSB6630  Lepidospartum squamatum Gill, Robert 1959-2-28 Los Angeles San Dimas Canyon; San Gabriel Mt. Range; Pacific Slope drainage area 365 Comment
  POM312782  Leptodactylon californicum D. Taylor 1951-5-17 63 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  UC1595451  Leptodactylon californicum subsp. glandulosum Tim Ross 1992-7-10 6646 Los Angeles s side Big Tujunga Creek between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 969 Comment
  POM8220  Leptosiphon breviculus P. A. Munz 1921-6-18 4643 Los Angeles San Antonio Mountains, head of Swartout [Swarthout] Valley. 2072 Comment
  RSA0105977  Leptosiphon breviculus R. G. Swinney 2011-7-8 15506 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  RSA729935  Leptosiphon breviculus R. G. Swinney 1999-6-28 7435 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  UCR266127  Leptosiphon breviculus Orlando Mistretta, Christine Mistretta 2005-4-21 2052 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  RSA317204  Leptosiphon breviculus Michael C. Long, J. E. Long 1974-4-20 s.n. Los Angeles Punchbowl County Park, SW of Headquarters Comment
  HSC17078  Leptosiphon parviflorus C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA469983  Leptosiphon parviflorus Robert L. Dressler 1949-6-18 877 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA0074222  Leptosiphon parviflorus Peter H. Raven 1960-5-15 15366 Los Angeles Santa Monica Mountains: Piuma Road 2.7 miles east of Rambla Pacifica. 427 Comment
  RSA0081012  Leptosiphon parviflorus LeRoy Gross 1999-4-29 139 Los Angeles Santa Susana Mountains, East End: Rice Canyon, north on interstate 5, exit Calgrove Ave. turn left to the old road, City of Newhall. 427 Comment
  SEINET8483168 Image available Leptosyne gigantea J. Henrickson 1974-2-24 13806 Los Angeles Santa Catalina Island, on Bird Rock, N of the isthumus Comment
  CAS-BOT-BC339271  Lessingia glandulifera var. glandulifera Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3746 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  CAS-BOT-BC339276  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-31 3089 Los Angeles Newhall 365 Comment
  RSA0042669  Lessingia glandulifera var. glandulifera S. Kaatmann 1998-10 12 Los Angeles Pitzer College Arboretum. The interior of the Outback, near the path closest to the western boundary. 350 Comment
  CAS-BOT-BC123033  Lessingia lemmonii var. peirsonii Frank Warrington Peirson 1923-6-9 3550 Los Angeles Liebre Mts., at lowest point between the divides of Pine and Oak Grove Canyons 1173 Comment
  RSA788186  Lilium humboldtii Doris Bowers 1967-7-19 821 Los Angeles Topanga Canyon 610 Comment
  POM169430  Lilium humboldtii subsp. ocellatum C. F. Baker 1909-9-20 3687 Los Angeles Hills near Claremont. Comment
  RSA162812  Lilium humboldtii subsp. ocellatum J. D. Olmsted 1958-6-12 152 Los Angeles E. Fork San Gabriel River 3 miles north of the Fire Control Station at intersection of Cattle Canyon with E. Fork 640 Comment
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Feb 12 2018
  SD230123  Lilium parryi Louis C. Wheeler 1954-9-1 7082 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA596064  Linanthus aureus L. C. Wheeler 1967-5-9 9394 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UC588167  Linanthus breviculus Victor Duran 1933-7-11 3516 Los Angeles Sulphur Springs San Gabriel Mountains 1524 Comment
  UC908214  Linanthus breviculus Margaret Stason 1927-5-14 Los Angeles Pinyon Ridge San Gabriel Mts. Comment
  PASA746  Linanthus breviculus Florence Brubaker Los Angeles Comment
  CAS-BOT-BC226761  Linanthus californicus G. B. Grant 1902-5-27 s.n. Los Angeles Little Santa Anita Canon [Canyon] Comment
  CAS-BOT-BC226766  Linanthus californicus C. F. Baker 1909-5-15 5313 Los Angeles Mts. near Claremont Comment
  RSA156541  Linanthus californicus L. R. Abrams 1902-7-1 2624 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  UCD118504  Linanthus dianthiflorus M. Vincent 1962-3-14 155 Los Angeles Malibu Canyon Road, 1 mile from Highway 101. Comment
  UCR184364  Linanthus dichotomus A. C. Sanders 2007-4-19 33469 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA122124  Linanthus dichotomus subsp. dichotomus A. D. Gifford 1935-3-25 501 Los Angeles 5 1/4 miles North Est of Sawmill Pk. 915 Comment
  RSA595338  Linanthus dichotomus subsp. dichotomus L. C. Wheeler 1967-5-8 9334 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  JEPS58539  Linanthus parryae Frank W. Peirson 1921-5-20 940 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  POM364687  Linanthus parryae Robert Gustafson, Gary D. Wallace 1982-4-26 2522 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  RSA570185  Linanthus parryae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5022 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  SBBG64499  Linanthus parryae R. Hoffmann 1925-5-16 Los Angeles East Bouquet Cyn Comment
  RSA337415  Linanthus parryae R. F. Thorne, Gary D. Wallace 1973-4-25 43377 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  CDA20534  Linaria dalmatica J. Santos 2005-5-24 PDR 1252339 Los Angeles Transverse Ranges; Hungry Valley Off Road Vehicle State Park at 4600 Orwin Way, Gorman. 0 Comment
  LA33626  Lithophragma affine Peter H. Raven; 1959-5-3 14099 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive 0.5 mi. W of Laurel Pass 365 Comment
  POM1584  Lithophragma affine I. M. Johnston 1917-5-6 1927 Los Angeles Evey Canyon, north of Claremont 762 Comment
  CAS-BOT-BC426263  Lithophragma affine Geo. B. Grant 1898-3-20 s.n. Los Angeles Lincoln Park, Pasadena Comment
  RSA84378  Lithophragma bolanderi F. W. Peirson 1922-6-3 3079 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  SEINET6032582  Lithophragma heterophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6668 Los Angeles San Dimas Canyon Comment
  UCD72912  Lobelia dunnii var. serrata Victor Duran 1933-8-12 3548 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1524 Comment
  RSA436046  Lobularia maritima Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  UCR210017  Lobularia maritima R. G. Swinney 2008-12-2 9915 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA738057  Lobularia maritima M. A. Sanatay 1966-6-10 s.n. Los Angeles Verdugo Hills. 152 Comment
  RSA0089539  Loeflingia squarrosa Steve D. Boyd, Gary D. Wallace 2011-4-14 12313 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Cnayon Road and Crown Valley Road. 829 Comment
  RSA0115834  Loeflingia squarrosa R. G. Swinney 2011-3-29 14271 B 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
  POM49440  Loeseliastrum matthewsii A. D. E. Elmer 1902-06 3683 Los Angeles Acton. Mt. Gleason. 829 Comment
  UCSB12427  Loeseliastrum matthewsii Tinnin, Robert 1962-5-4 Los Angeles 12.5 miles northwest of Mountain Top Junction; about 9 miles east of Pearblossom on California State Highway 138 1036 Comment
  SFV3916  Logfia filaginoides M. L. Vincent 1963-5-7 332 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.5 miles off the main road on a path. 489 Comment
  POM155790  Lolium temulentum M. B. Dunkle 1928-4-13 900 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  RSA600163  Lomatium dissectum var. multifidum Steve Boyd, Lauren Raz 1997-5-1 9655 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  POM3340  Lomatium lucidum O. Kenney 1893-2-15 s.n. Los Angeles Foothill soil, collected near Pasadena Comment
  RSA584019  Lomatium lucidum T. S. Ross, Steve D. Boyd 1991-4-25 4574 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA747148  Lomatium mohavense R. G. Swinney 2008-5-8 8813 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UC566869  Lomatium mohavense H. L. Mason 1926-4-26 2994 Los Angeles 1 mi. e. Palmdale Comment
  RSA716638  Lomatium mohavense Andrea Edwards, Pam De Vries 2005-3-29 57 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  POM122949  Lomatium vaginatum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  SBBG109142  Lonicera hispidula S. A. Junak 1997-9-27 SCl 964 Los Angeles just inland from mouth of Eagle Cyn 15 Comment
  UC1211047  Lonicera hispidula var. vacillans Huron H. Smith 1912-5-31 5058 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UC213433  Lonicera interrupta I. M. Johnston 1917-8-23 1713 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1524 Comment
  UCR104187  Lonicera subspicata Scott D. White 1997-5-21 5197 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  CAS-BOT-BC198568  Lotus C. B. Wolf 1931-6-25 2236 Los Angeles SW of Los Angeles Botanic Garden, along Beverley Blvd., Mandeville Canyon 60 Comment
  UCR65563  Lotus argophyllus var. adsurgens Aaron Liston, Et al. 1989-4-30 803 -2 Los Angeles Channel Islands, San Clemente IslandPyramid Head, S end of the island 15 Comment
  POM127710  Lotus argophyllus var. argophyllus George B. Grant 708 Los Angeles Little Santa Anita Canyon Comment
  RSA0003333  Lotus davidsonii Anstruther Davidson 1893-7-22 s.n. Los Angeles Mt. Wilson. Comment
  JEPS55495  Lotus hamatus Frank W. Peirson 1920-5-16 2117 Los Angeles Tujunga San Gabriel Mts. 457 Comment
  UC80812  Lotus heermannii Ernest Braunton 1902-5-10 330 Los Angeles Rivera Comment
  RSA587268  Lotus heermannii var. heermannii Orlando Mistretta 1994-5-13 1220 Los Angeles Little Rock Creek, Slopes E of creek opposite confluence with Kitter Canyon 1402 Comment
  PASA1094  Lotus humistratus Frank W. Peirson 1919-5-11 Los Angeles Arraster Creek, San Gabriel Mts. 853 Comment
  PASA1099  Lotus micranthus Frank W. Peirson 1919-5-18 436 Los Angeles Monrovia Canyon, San Gabriel Mts. 426 Comment
  UCR271308  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 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
  RSA652443  Lotus oblongifolius var. oblongifolius Marion P. Harthill 1972-4-8 640 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest. 457 Comment
  RSA17983  Lotus procumbens var. procumbens P. A. Munz 1923-5-27 6872 Los Angeles Rock Creek 1296 Comment
  RSA761707  Lotus purshianus R. G. Swinney 2008-10-10 9549 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UC397232  Lotus purshianus var. purshianus D. L. Crawford Los Angeles Claremont Comment
  RSA0068452  Lotus salsuginosus R. G. Swinney 2010-3-30 12118 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA682505  Lotus salsuginosus Scott D. White, Michael Honer 2003-5-7 9201 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  UC864885  Lotus salsuginosus Ira W. Clokey, B. Templeton 1929-3-1 4517 Los Angeles Mandeville Canyon Santa Monica Canyon 350 Comment
  UCR126362  Lotus salsuginosus A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27127 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  RSA279068  Lotus salsuginosus var. salsuginosus R. F. Thorne 1971-4-9 41534 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  UC1587678  Lotus salsuginosus var. salsuginosus Tim Ross 1991-3-9 4202 Los Angeles Puente Hills (pro parte), at head of un-named canyon Whittier Hills 304 Comment
  POM156181  Lotus scoparius L. R. Abrams 1902-6-11 2518 Los Angeles Playa del Rey. Comment
  POM1870  Lotus scoparius I. M. Johnston 1917-6-10 1333 Los Angeles Playa del Rey. Comment
  RSA712378  Lotus scoparius subsp. brevialatus A. C. Sanders 2003-3-14 25752 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
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Apr 17 2009
  RSA584169  Lotus strigosus T. S. Ross 1990-5-15 2537 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA725220  Lotus strigosus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -12 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
  RSA781216  Lotus strigosus R. G. Swinney 2009-3-31 10225 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCR269940  Lotus strigosus R. G. Swinney 2010-4-13 12186 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR269985  Lotus strigosus R. G. Swinney 2011-7-21 15551 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA251543  Lotus strigosus var. strigosus R. F. Thorne 1973-4-11 42810 Los Angeles San Clemente Island: rocky slopes of upper part of Middle Ranch Canyon. 381 Comment
  UCR142449  Lotus wrangelianus M. B. Dunkle 1929-4-7 s.n. Los Angeles Channel Islands; Santa Catalina Island, Moonstone Beach 76 Comment
  UC142983  Ludwigia peploides subsp. peploides Katharine Brandegee 1910-8-1 Los Angeles Bixby Lake near Los Angeles; Bixby Lake Comment
  UCR239024  Lupinus albicaulis Anuja Parikh, Nathan Gale 2010-6-17 3316 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, just north of State Hwy 2, Angeles Crest Hwy, 0.4 km east of its intersection with Upper Big Tujunga Canyon Road, under powerlines 1415 Comment
  LA205016  Lupinus albifrons R. Herley; 1932-3-26 sn Los Angeles Santa Catalina Island Comment
  SEINET196197  Lupinus albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  SEINET10488411  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (3) Comment
  RSA0062531  Lupinus bicolor R. G. Swinney 2010-6-4 13055 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
  UCD107166  Lupinus bicolor D. Dunn 1941-3-29 976 Los Angeles in vacant lot, Pomona. Comment
  POM350030  Lupinus bicolor subsp. microphyllus N. C. Cooper 1948-4-21 2702 Los Angeles Littlerock Creek. 762 Comment
  RSA101206  Lupinus bicolor subsp. microphyllus David B. Dunn 1946-4-24 2154 Los Angeles 1.5 blocks east of North Figuroa on Ave 52, Highland Park, Los Angeles. 244 Comment
  RSA251422  Lupinus bicolor subsp. umbellatus Robert F. Thorne 1966-4-17 36080 Los Angeles San Clemente Island, near reservoirs between Boulder and Horton, NE side of island. 488 Comment
  RSA617451  Lupinus concinnus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon 1/2 mile south-southwest of Blum Ranch. 975 Comment
  UC565974  Lupinus concinnus A. D. Gifford 1935-3-31 536 Los Angeles 4 1/2 mi nw Redrock Mountain; Tejon Quadrangle Comment
  UCR273247  Lupinus concinnus R. G. Swinney 2011-6-1 14944 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  CAS-BOT-BC205143  Lupinus elatus Timothy S. Ross 1994-5-31 7980 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 340 m SSE of the 7124-foot summit 2084 Comment
  RSA164829  Lupinus elatus Wesley O. Griesel 1963-06 821 Los Angeles Throop Peak 2774 Comment
  RSA210096  Lupinus elatus Victor Duran 1933-7-26 3535 Los Angeles Buckhorn 1982 Comment
  RSA41469  Lupinus elatus Robert Gustafson 1983-7-18 2786 Los Angeles Angeles Crest Hwy., Pine hollow 2134 Comment
  UCR256179  Lupinus elatus R. G. Swinney 2010-9-23 13873 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
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Dec 20 2014
  SEINET10484025  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-5-16 Breitung 15120 Los Angeles Glendora mt. Rd, san gabriel mts. Comment
  RSA590069  Lupinus excubitus var. austromontanus Orlando Mistretta 1994-3-30 985 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  RSA199044  Lupinus excubitus var. hallii W. M. Gauntt 1966-4-30 170 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  RSA413597  Lupinus excubitus var. hallii T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  SEINET10485305  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. 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
  UCD107744  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  UCSB3295  Lupinus formosus Kraebel, C. 1931-9-2 Los Angeles San Dimas new road grade Comment
  UCR271050  Lupinus formosus var. formosus R. G. Swinney 2011-6-6 15019 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0069839  Lupinus hirsutissimus R. G. Swinney 2010-3-10 11833 Los Angeles 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. 442 Comment
  RSA0114888  Lupinus hirsutissimus R. G. Swinney 2011-4-26 14479 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA199031  Lupinus hirsutissimus W. M. Gauntt 1966-4-30 167 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  RSA413690  Lupinus hirsutissimus Elbert Benjamine 1929-2-24 65 Los Angeles Laurel Canyon, Hollywood Comment
  RSA413685  Lupinus hirsutissimus Ella M. Kennedy 1923-5-2 s.n. Los Angeles San Gabriel Canyon Comment
  UC2026393  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, Campground Vicinity. Comment
  RSA584286  Lupinus latifolius subsp. parishii T. S. Ross 1993-5-26 7305 Los Angeles W end of the San Gabriel Mts: near head of upper E Fk Wilson Canyon just S of Lupine Saddle, ca 2100 ft ESE of Wilson Canyon Saddle. 869 Comment
  UCR255766  Lupinus microcarpus R. G. Swinney 2010-5-12 12708 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
  CAS-BOT-BC8456  Lupinus microcarpus var. densiflorus LeRoy Abrams; Ernest Alexander McGregor 1908-7-2 551 Los Angeles san Gabriel Mountains, Rock Creek 1158 Comment
  RSA87027  Lupinus microcarpus var. microcarpus F. W. Peirson 1923-6-27 3536 Los Angeles On north bank Rock Creek. 1296 Comment
  RSA104354  Lupinus peirsonii H. L. Mason 1926-4-27 3026 Los Angeles Rock Creek Canyon, lower Pinyon Pine belt 1296 Comment
  RSA626109  Lupinus succulentus LeRoy Gross 1999-5-1 149 Los Angeles Santa Susana Mountains, east end: Towsley Canyon, north on interstate 5, exit Calgrove Ave. turn left to the old road, City of Newhall. 610 Comment
  UCR13474  Lupinus succulentus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UC73250  Lupinus truncatus Pupils of Los Angeles High School June 1904 Los Angeles near Los Angeles; near Los Angeles Comment
  JEPS11731  Lycium californicum R. A. Casad 1920-1-26 Los Angeles Huntington Beach Comment
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Dec 23 2014
  RSA233584  Lycium californicum Robert F. Thorne 1970-3-6 39398 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  POM264863  Lycopus americanus Louis C. Wheeler 1933-10-20 2178 Los Angeles San Gabriel River. 70 Comment
  CAS-BOT-BC142288  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-21 17816 Los Angeles Lower end of Bullrush Canyon - Santa Catalina Island 198 Comment
  SBBG43869  Lyonothamnus floribundus var. aspleniifolius M. R. Benedict 1971-6-26 Los Angeles S fk of Eagle Cyn, N of Triangulation Pt "Gray" 457 Comment
  CATA668  Lysimachia arvensis Mark L. Hoefs 1991-4-23 1157 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  UCR95489  Madia elegans subsp. wheeleri Steve Boyd, L. Raz 1996-9-24 8969 Los Angeles San Gabriel Mtns., Sawmill Mtn along Forest Service road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon 1622 Comment
  SD69686  Madia exigua Robert F. Thorne, P. Everett 1965-6-22 34909 Los Angeles Santa Catalina Island, canyon above Avalon 149 Comment
  LA200244  Madia gracilis Jonathan Sauer; et. al. 1969-6-4 4569 Los Angeles Santa Monica Mountains, Saddle Peak 853 Comment
  LA200249  Madia gracilis Norman A. Cole; May 1964 370 b Los Angeles Santa Monica Mountains, 6.3 mi from Pacific Coast Hwy along Piuma Rd 579 Comment
  SBBG32029  Madia sativa R. N. Philbrick, R. F. Thorne 1967-5-18 B 67 -206 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UC57422  Madia sativa J. H. Barber 1898-7-24 Los Angeles Sepulveda Canyon Comment
  CAS-BOT-BC512880  Maianthemum stellatum Wesley O. Griesel 1961-6-16 s.n. Los Angeles Near Dawson Saddle, San Gabriel Mts. 2286 Comment
  SBBG109047  Malacothamnus clementinus S. A. Junak 1996-5-29 SCl 541 Los Angeles China Cyn, ca. 1.55 mi inland from bridge across mouth of cyn 106 Comment
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Jun 19 2014
  RSA433281  Malacothamnus davidsonii F. R. Fosberg 1931-1-7 55287 Los Angeles Pacoima Canyon. Comment
  SFV21454  Malacothamnus fasciculatus L. Gross 2001-5-27 418 Los Angeles Verdugo Mountains Northwest side of mountains. Dead end street at corner of Tuxford St. and Ledge Ave. just north of Sun Valley, just west of mouth of McDonald Creek. Along dirt trail on the crest between La Tuna Canyon and Sunland Blvd. Collection just west of above coordinates. 427 Comment
  UCR142499  Malacothamnus fasciculatus Reid Moran 1941-3-3 670 Los Angeles Channel Islands, near Parson's Landing, Santa Catalina Island 200 Comment
  RSA434846  Malacothamnus fremontii Roger Minahan 1934-06 s.n. Los Angeles Valyermo near Big Rock Comment
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Jul 4 2011
  RSA749086  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  SBBG129309  Malacothrix clevelandii A. Parikh, N. Gale 2012-5-10 3591 Los Angeles W bank of W Fork San Gabriel River, just S of concrete river crossing 830 Comment
  RSA517997  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-31 1522 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR123816  Malacothrix glabrata Steven R. Hill, K. Kramer 2001-4-22 33391 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  UCR231389  Malacothrix saxatilis Dan S. Cooper 2011-10-5 1011- 124 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 231 Comment
  SBBG66180  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UCR177306  Malacothrix saxatilis var. tenuifolia LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1043 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  SBBG110451  Malephora crocea S. A. Junak 1997-8-26 SCl 936 Los Angeles Wilson Cove, along nature trail, on W side of cyn above pier 106 Comment
  SFV1130  Malephora crocea K. A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  LA96169  Malosma laurina Unknown; 1966-7-9 sn Los Angeles Santa Catalina Island Comment
  OBI69350  Malosma laurina John Knapp, Denise Knapp 2002-11-27 4 Los Angeles Santa Catalina Island 198 Comment
  RSA199156  Malosma laurina R. F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island. Upper part of Cape Canyon on slopes of Black Jack Mt. 320 Comment
  LA99087  Marah macrocarpa Harlan Lewis; 1940-2-4 1065 Los Angeles Santa Monica Mountains, Saddle Peak 609 Comment
  UCR118960  Marah macrocarpa David Charlton 1989-4-30 2969 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  SBBG108181  Marah macrocarpa S. L. Crockett 1997-4-1 637 Los Angeles offshoot cyn from Middle Cyn, 0.2 mi SW on Middle Cyn Rd from pump house; SE side of rd 315 Comment
  UCSB9294  Marrubium vulgare Haller, Norman 1953-3-29 Los Angeles Mulholland Dr. near Sepulveda, Santa Monica Mts. 426 Comment
  RSA640634  Matricaria matricarioides L. C. Wheeler 1967-5-15 9600 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  UCR246455  Matricaria occidentalis R. E. Riefner Jr. 2008-7-28 08- 253 Los Angeles South Coast, Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, vicinity of Vermont Ave and Normande Ave 1 Comment
  UC1595233  Medicago lupulina Tim Ross and Peter Fritsch 1990-6-20 3603 Los Angeles mouth of canyon near confluence of E and W Forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UCR205553  Medicago lupulina R. G. Swinney 2008-5-30 8888 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UC1922329  Medicago polymorpha Gary Kovnat with LeRoy Gross 2003-2-16 25 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR41713  Medicago polymorpha G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  POM304911  Medicago polymorpha Henry J. Ramsey, Henry J. Ramsey 1937-3-21 280 Los Angeles Altadena Drainage area 396 Comment
  SEINET11096141 Image available Medicago polymorpha George B. Grant 1904-5-14 760 Los Angeles at Playa de Rey Comment
  RSA733755  Medicago sativa R. G. Swinney 2000-5-28 7790 Los Angeles San Gabriel Mtns.: NE of Azusa, Rincon Redbox Road 3.1 mi. SW of Hwy 39 at Rincon Station 305 Comment
  POM348064  Medicago sativa N. C. Cooper 1948-5-13 2763 Los Angeles Pomona. 244 Comment
  SDSU5049  Medicago sativa Gerald Collier 1951-4-7 3688 Los Angeles In middle of divided highway- U. S. 101 about 2 miles north of Malibu Beach. Comment
  CAS-BOT-BC281530  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  RSA573555  Melica imperfecta Timothy S. Ross 1992-5-8 6288 Los Angeles San Gabriel Mountains: San Antonio Canyon; N side of Hog Back. 1177 Comment
  RSA585436  Melica imperfecta Timothy S. Ross 1990-5-31 2730 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA774058  Melica imperfecta R. G. Swinney 2009-6-12 11128 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR193987  Melica imperfecta R. G. Swinney 1998-8-13 6734 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR271068  Melica imperfecta R. G. Swinney 2011-4-28 14545 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  SD69560  Melilotus albus Robert F. Thorne 1966-4-29 36268 Los Angeles Santa Catalina Island, along the road to Ben Weston Beach 60 Comment
  RSA579234  Melilotus indicus Tim S. Ross 1994-3-28 7404 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes, unnamed horseshoe shaped Canyon to the NE of upper Forestal Drive. 165 Comment
  UCD108093  Melilotus indicus Robert F. Thorne; P. C. Everett 1965-5-11 34566 Los Angeles N beach of Little Harbor, Santa Catalina Island. 1 Comment
  RSA0127373  Melilotus indicus Louis C. Wheeler 1967-7-20 10123 Los Angeles Aliso Canyon. 1067 Comment
  RSA533444  Melilotus indicus Tim S. Ross 1991-4-21 4505 Los Angeles Whittier Hills (Puente Hills, pro parte), Skyline Drive at the head of Turnbull. 323 Comment
  UCR101515  Melissa officinalis Steve Boyd 1997-7-18 10016 Los Angeles Base of San Gabriel Mtns., Indian Hill Mesa, Rancho Santa Ana Botanic Garden: planting bed in North Riparian garden c. 20 m north of the upper pond and 30 m east of the Home Demonstration Garden. Comment
  RSA440346  Mentzelia affinis Tom Burch 1940-3-9 s.n. Los Angeles Redondo Beach. 0 Comment
  RSA659680  Mentzelia affinis Chris White 1991-5-12 2 Los Angeles Royal Palms. Comment
  SD85086  Mentzelia affinis E. R. Blakley 1962-6-9 5194 Los Angeles San Clemente Island, sand flat Ao mile toward Pyramid Cove from China Point 99 Comment
  OBI12470  Mentzelia albicaulis Bill Arbaugh 1966-4-16 s.n. Los Angeles Palmdale trip Comment
  RSA747193  Mentzelia dispersa R. G. Swinney 2008-6-10 8998 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
  RSA762063  Mentzelia dispersa Orlando Mistretta, Christine Mistretta 2008-5-16 3088 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  POM3168  Mentzelia laevicaulis C. F. Baker 1903-8-2 3452 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA602460  Mentzelia laevicaulis Scott D. White 1997-5-14 5134 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA646282  Mentzelia laevicaulis Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA607679  Mentzelia micrantha Scott D. White 1997-5-8 5074 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UCR104149  Mentzelia micrantha Scott D. White 1997-5-21 5213 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, slope above Hwy 39, above San Gabriel Reservoir 488 Comment
  SD114199  Mentzelia micrantha Darley F. Howe 1959-5-5 2710 Los Angeles Near mouth of San Gabriel Canyon, San Gabriel Mountains. Comment
  RSA446789  Mentzelia montana Samuel R. Tyson 1943-9-1 s.n. Los Angeles Brown s Flat, San Dimas canyon. 1250 Comment
  RSA593822  Mentzelia veatchiana Steve Boyd 1996-4-25 8713 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  RSA60194  Mentzelia veatchiana E. K. Balls, L. W. Lenz 1950-3-28 14466 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  UCR186561  Mentzelia veatchiana A. C. Sanders 2006-4-25 32201 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
  RSA190950  Mesembryanthemum crystallinum R. F. Thorne 1966-4-4 35783 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  SEINET11942232  Mesembryanthemum crystallinum C. L. Abbott 1926-1 s.n. Los Angeles Carlsbad Comment
  SEINET8728880 Image available Mesembryanthemum nodiflorum F. R. Fosberg 1931-1 S 4732 Los Angeles Upper Sonoran Zone. Nest, Middle Ranch Canyon Santa Catalina Island. 100 Comment
  SBBG113101  Microseris douglasii S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 608 Los Angeles W side of Whitley's Pk, on ridgetop 390 Comment
  RSA347515  Microseris heterocarpa B. A. Prigge 1986-3-19 6925 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  UCR230246  Microseris lindleyi Dan S. Cooper 2011-4-26 411- 9 B Los Angeles Los Angeles Basin/San Gabriel Mtns. Foothills, Sunland, Big Tujunga Wash, between 210 Fwy and Foothill Blvd. 358 Comment
  POM96956  Microseris lindleyi P. A. Munz 1925-4-23 9414 Los Angeles San Gabriel Canyon. 305 Comment
  RSA600409  Mimulus aurantiacus Steve Boyd, Lauren Raz 1997-4-30 9638 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA279125  Mimulus aurantiacus var. puniceus Robert F. Thorne, D. Propst, M. Hoefs 1974-9-12 45105 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  RSA653786  Mimulus brevipes J. Bogdanoff-Lord 1989-5-24 28 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
  SFV19339  Mimulus brevipes J. N. Hogue, C. Solek 2005-4-8 236 .1 Los Angeles San Gabriel Mountains West Fork San Gabriel River. Mouth of Devil's Canyon, north of Cogswell Reservoir. At end of dirt road on north side or reservoir. 750 Comment
  UC26883  Mimulus brevipes J. H. Barber 1897-4 310 Los Angeles Santa Monica Canyon Comment
  UCD122449  Mimulus brevipes R. S. Woglum 1930-4-23 s.n. Los Angeles East- Central Los Angeles County: South Glendora. Comment
  RSA702438  Mimulus cardinalis Scott D. White 2004-7-28 10661 Los Angeles San Gabriel Mountains: 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
  UC26891  Mimulus cardinalis J. Burtt Davy October, 1896 2730 Los Angeles Santa Monica Comment
  UC27072  Mimulus constrictus J. Burtt Davy May 9 1896-May 24 1896 2488 Los Angeles near Manzana; Antelope Valley Comment
  RSA678166  Mimulus flemingii Mark A. Elvin, Orlando Mistretta 1996-3-24 125 Los Angeles Eagle Canyon, San Clemente Island Comment
  RSA733128  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle of Glendora Rodge Rd. 1338 Comment
  UCR272578  Mimulus floribundus R. G. Swinney 2011-5-24 14816 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA252944  Mimulus fremontii var. fremontii Robert F. Thorne, Gary D. Wallace 1973-4-24 43423 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA639557  Mimulus guttatus Louis C. Wheeler 1967-5-23 9670 Los Angeles San Gabriel Mountains: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. 640 Comment
  RSA641075  Mimulus johnstonii Orlando Mistretta, R. T. Hawke 1995-11-8 1951 a Los Angeles San Gabriel Mountains. 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
  RSA97700  Mimulus palmeri R. M. Straw 1954-6-16 626 Los Angeles Horse Flats Road, off Angeles Crest Hwy. Angeles National Forest. Comment
  SEINET7063089  Minuartia douglasii A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Mountains southeast of Bobs Gap on Big Pines Road. UTM Zone 11, 428035mE, 3808604mN. (WGS84/NAD83). 1571 Comment
  LA200668  Mirabilis laevis var. crassifolia M. Zaitlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  RSA213363  Mirabilis laevis var. crassifolia Reid V. Moran 1941-3-14 706 Los Angeles Santa Catalina Island. On ridge north of Middle Ranch. 300 Comment
  RSA464644  Mirabilis laevis var. crassifolia Bonnie C. Templeton 1968-2-25 11388 Los Angeles Near the isthmus, Santa Catalina Island. Comment
  SBBG69865  Mirabilis laevis var. crassifolia R. Hoffmann 1929-5-22 Los Angeles Del Sur to Elizabeth Lake Comment
  UC1136578  Mirabilis laevis var. villosa N. French 1934-5-11 352 Los Angeles 1 mi NE of Ravenna 914 Comment
  UC284982  Mirabilis laevis var. villosa P. A. Munz 1923-5-26 6823 Los Angeles Big Rock Creek, San Gabriel Mountains 1280 Comment
  CAS-BOT-BC385101  Mirabilis linearis var. decipiens Cecil Hart 1932-8-12 s.n. Los Angeles Vacant lot at Alhambra Comment
  UC284653  Monardella australis subsp. cinerea I. Johnston 1917-6-20 1261 Los Angeles Baldy Lookout (USFS) San Antonio Mts. 2133 Comment
  LA62782  Monardella exilis Carl Epling; 1944-7-1 sn Los Angeles W of Little Rock Creek and N of Little Rock Comment
  RSA252931  Monardella exilis Robert F. Thorne, C. W. Tilforth 1973-4-20 43706 Los Angeles Mojave Desert: c. 1 mile SE of junction of Pearlblossom and Antelope Valley Hwys and 4.5 mi NW of Pinyon Hills along Hwy 138. 991 Comment
  UC1537597  Monardella exilis Gordon H. True Jr. 1935-4-18 245 Los Angeles Lovejoy Butte 853 Comment
  RSA408593  Monardella lanceolata Anstruther Davidson 1889-07 s.n. Los Angeles Newhall. Comment
  SEINET3148207  Monolopia major G. B. Grant 798 Los Angeles Highland Park Comment
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Feb 9 2019
  RSA771601  Montia fontana R. G. Swinney 2009-5-28 10966 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA608002  Muhlenbergia californica L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1189 Comment
  RSA617233  Muhlenbergia californica LeRoy Gross 1998-9-12 53 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  UCR146501  Muhlenbergia californica Scott D. White 2004-7-28 10653 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  CATA640  Muhlenbergia microsperma Mark L. Hoefs 1991-4-16 1107 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  CAS-BOT-BC275085  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains. Upper San Antonio Canon 2209 Comment
  RSA718264  Muilla maritima R. G. Swinney 1998-4-11 5942 Los Angeles Claremont, hills c. 0.75 mi. NE of Padua Hills Restaurant, 0.4 SW of Potato Mtn. 823 Comment
  UCR270834  Muilla maritima R. G. Swinney 2011-5-24 14797 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  CAS-BOT-BC515102  Muilla maritima V. June Wetherell; C. F. Quibell 1960-4-29 241 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area. Comment
  CAS-BOT-BC327741  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Island. Large canyon below the Tomb. 243 Comment
  CAS-BOT-BC327746  Munzothamnus blairii Charles Burch 1963-12-8 s.n. Los Angeles San Clemente Island. First canyon S of Seal Cove Comment
  RSA618688  Myriophyllum aquaticum LeRoy Gross 1998-9-20 78 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  SBBG107227  Myriopteris newberryi J. Rebman 1996-4-28 3101 Los Angeles Eagle Cyn on SE side of island 150 Comment
  RSA668292  Nassella cernua Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 92 Los Angeles San Clemente Island. Comment
  RSA91824  Nassella cernua F. W. Peirson 1923-4-12 3419 Los Angeles Wilson's Cove, San Clemente Island Comment
  RSA133248  Nassella lepida P. H. Raven 1959-5-3 14059 Los Angeles Santa Monica Mountains. Mulholland Drive near Beverly Glen Boulevard, (34?N; 118-119?W) 381 Comment
  RSA679269  Nassella lepida Valerie L. Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  CAS-BOT-BC260143  Nassella pulchra Peter H. Raven 1959-5-9 14161 Los Angeles Santa Monica Mountains. Mulholland Highway 1 mile W of Las Virgenes Road, Malibu Creek drainage 274 Comment
  CAS-BOT-BC276262  Nassella pulchra Steve Boyd 2004-4-15 10901 Los Angeles Transverse Ranges: Liebre Mountains region: Rowher Flats area, edge of off-highway vehicle staging areas at end of Angeles National Forest road 5N14 Comment
  CAS-BOT-BC60404  Nasturtium officinale Peter H. Raven; Henry J. Thompson 1959-10-14 14632 Los Angeles Santa Monica Mountains. East end of Malibu Lake. 220 Comment
  RSA469832  Navarretia hamata subsp. hamata L. C. Wheeler 1932-5-19 716 Los Angeles San Gabriel Wash. 107 Comment
  RSA500327  Navarretia hamata subsp. leptantha M. B. Dunkle 1928-5-13 1959 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  UC125016  Navarretia hamata subsp. leptantha T. S. Brandegee 1890-5-13 Los Angeles Santa Catalina Island Comment
  SFV20779  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 480 Comment
  UCR155604  Navarretia setiloba A. C. Sanders 2005-5-11 30136 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on north side of canyon 573 Comment
  RSA464359  Nemacaulis denudata var. denudata Anstruther Davidson 1892-1 s.n. Los Angeles Los Angeles Comment
  UC372850  Nemacladus orientalis Marcus E. Jones, A. M. Aug 1884 Los Angeles Los Angeles Comment
  UCR222844  Nemacladus sigmoideus R. G. Swinney 2009-5-12 10749 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA639035A  Nemacladus sigmoideus 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
  RSA713252  Nemacladus sigmoideus LeRoy Gross 2005-5-3 s.n. 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
  RSA421298  Nemophila menziesii Reid V. Moran 1941-3-6 681 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 300 Comment
  SEINET3156490  Nemophila menziesii G. B. Grant 833 Los Angeles Pasadena Comment
  CAS-BOT-BC7217  Nemophila menziesii var. integrifolia Harvey Monroe Hall 1902-5-1 3081 Los Angeles Antelope Valley, vicinity of Elizabeth Lake, Pine Canyon. 1219 Comment
  RSA182182  Nemophila menziesii var. integrifolia James Henrickson 1963-4-30 1226 Los Angeles Evey Canyon, northeast of Claremont on road to Mt. Baldy. 808 Comment
  SBBG64800  Nemophila menziesii var. integrifolia R. Hoffmann 1927-6-14 Los Angeles Pine Cyn, Cottonwood Springs Comment
  RSA250674  Nemophila menziesii var. menziesii Robert F. Thorne 1971-4-2 41426 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont. 549 Comment
  SD253469  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  UCR271489  Nemophila pedunculata R. G. Swinney 2011-5-3 14557 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA602453  Nerium oleander Scott D. White 1997-5-14 5137 Los Angeles Big Tujunga Wash: Sunland-Tujunga area;alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  RSA578653  Nicolletia occidentalis Timothy S. Ross, J. Mark Porter 1994-5-1 7613 b Los Angeles Southwestern Mojave Desert; open desert along North 240th street East, ca 3700 m NNE of Moody Springs and 3300 m W of the L.A./ San Bernardino county line. 870 Comment
  RSA80772  Nicotiana attenuata F. W. Peirson 1919-6-14 495 Los Angeles Rock Creek, north slope of San Gabriel Mts. 1524 Comment
  POM307173  Nicotiana glauca Henry J. Ramsey, Henry J. Ramsey 1937-8-29 2097 Los Angeles Altadena. 396 Comment
  RSA675006  Nicotiana glauca LeRoy Gross 2003-2-22 746 Los Angeles South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCR259131  Nicotiana glauca R. G. Swinney 2010-5-4 12533 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA0043347  Nicotiana glauca Ron Martinolich 1991-5-3 60 Los Angeles Glendale, Flint Peak access road, 0.1 mi. east of water tower. Comment
  SEINET6174946  Nicotiana quadrivalvis var. bigelovii G. B. Grant 839 Los Angeles Covina Comment
  RSA686407  Notholaena californica L. C. Wheeler 1932-6-26 878 Los Angeles San Gabriel Canyon 304 Comment
  RSA658435  Nothoscordum borbonicum J. C. Roos 1958-3-2 s.n. Los Angeles Evans and Reeves Nursery. Brentwood, West Los Angeles. Comment
  RSA72194  Oenothera californica subsp. californica F. W. Peirson 781 Los Angeles Los Angeles River, San Fernando Valley Comment
  POM3081  Oenothera deltoides subsp. deltoides H. M. Hall 1906-6-11 7386 Los Angeles Lancaster. Comment
  POM175374  Oenothera elata subsp. hirsutissima West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Above Pine Flats. Comment
  RSA802347  Oenothera elata subsp. hookeri Orlando Mistretta, Cher Batchelor 2011-7-26 5982 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  SEINET10837691  Oenothera palmeri David B. Dunn 1947-4-16 Dunn 2945 Los Angeles 5 mi e and 2 mi s of palmdale; along power line. Comment
  RSA746555  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  RSA610212  Olea europaea Louis C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Mt. Wilson road below Henninger Flats. 671 Comment
  SBBG45340  Oligomeris linifolia Leota Davidson 1966-2-17 328 Los Angeles Soledad Cyn and Spring Cyn Rd (old hwy) Comment
  POM18231  Opuntia prolifera P. A. Munz 1923-4-13 6788 Los Angeles San Clemente Island. Comment
  UCR190084  Oreonana vestita R. G. Swinney 1998-8-27 6818 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  IRVC26158  Orobanche fasciculata A. C. Sanders, Mark A. Elvin 2003-6-18 26946 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 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
  RSA755980  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2008-4-12 2424 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA402057A  Orthocarpus purpurascens Louis C. Wheeler 1932-3-23 515 Los Angeles Sandy open field, San Gabriel 107 Comment
  RSA591067  Orthocarpus purpurascens var. purpurascens J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10915 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA402093  Orthocarpus purpurascens var. purpurascens Ora M. Clark 1929-3-29 1804 Los Angeles N. W. Saugus Comment
  RSA600168  Osmorhiza brachypoda Steve Boyd, Lauren Raz 1997-5-1 9660 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  CATA887  Oxalis californica Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1701 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  SEINET5619510 Image available Oxalis corniculata Old Rch 2003-3-20 sn Los Angeles Santa Monica/Los Angeles vicinity Comment
  UCR220240  Oxalis corniculata R. G. Swinney 2009-4-13 10332 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  RSA188327  Oxalis corniculata Robert F. Thorne 1966-5-31 36428 Los Angeles Santa Catalina Island: Avalon. 8 Comment
  SBBG131884  Oxalis pes-caprae S. A. Junak, D. Wilken 1996-3-26 SCI 253 Los Angeles top of bluffs along N side of Lemon Tank Cyn 323 Comment
  RSA332049  Oxytheca parishii var. parishii Wayne E. Sawyer 1981-6-29 73 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mi. from Dawson Saddle. 2302 Comment
  UC1375410  Oxytheca parishii var. parishii Robert F. Thorne 1969-7-2 38329 Los Angeles near Islip Saddle (on Angeles Crest Hwy, at Jarvis Memorial Vista); San Gabriel Mts., Angeles National Forest 2057 Comment
  HSC104225  Oxytheca perfoliata R. G. Swinney 2009-4-24 10441 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  CAS-BOT-BC316960  Packera ionophylla Timothy S. Ross; S. Boyd; Peter Warren Fritsch 1990-6-11 3362 Los Angeles San Gabriel Mountains. Big Rock Creek Canyon, ca. 120 m NNW of Icy Springs, around a stong building that has been 1731 Comment
  RSA473026  Packera ionophylla Fordyce Grinnell Jr. 1920-8-22 17784 Los Angeles Ridge E of Fox Creek Comment
  CAS-BOT-BC121174  Paeonia californica M. E. Jones 1882-5-3 2615 Los Angeles Pasadena Comment
  RSA713803  Panicum capillare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1361 Los Angeles Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  RSA3565  Parapholis incurva C. B. Wolf 1932-5-12 3577 Los Angeles Santa Catalina Island. Borders of Catalina Harbor. 3 Comment
  RSA533494  Parietaria hespera var. hespera Tim S. Ross 1991-4-21 4500 Los Angeles Whittier Hills(Puente Hills, pro parte): Turnbull Canyon drainage near mouth of the Turnbull Canyon. 154 Comment
  CAS-BOT-BC173258  Parietaria judaica R. E. Riefner, Jr. 2006-1-12 06 -13 Los Angeles South Coast: San Pedro, Point Fermin 13 Comment
  CAS-BOT-BC110603  Parnassia cirrata Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains. South Fork Alder Gulch. 1676 Comment
  UCR199955  Pectocarya anisocarpa Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1168 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 579 Comment
  RSA0115776  Pectocarya linearis subsp. ferocula R. G. Swinney 2011-3-29 14251 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
  SBBG6312  Pectocarya penicillata H. and M. Dearing 1935-4-13 1589 Los Angeles Bouquet Cyn Comment
  RSA599267  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-31 9441 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR189259  Pectocarya setosa R. G. Swinney 1998-5-16 6074 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR96139  Pectocarya setosa B. G. Pitzer 1996-4-21 2715 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
  UC56410  Pedicularis densiflora Ernest Braunton Feb 1903 809 Los Angeles n slope of Santa Monica Hills Comment
  RSA230217  Pedicularis semibarbata Robert F. Thorne 1969-7-2 38254 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UCR223512  Pedicularis semibarbata R. G. Swinney 2009-7-29 11442 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA686728  Pellaea andromedifolia L. E. Hoffman 1931-11-25 s.n. Los Angeles Millard's Canyon Comment
  UCR272592  Pellaea andromedifolia R. G. Swinney 2011-10-27 15928 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
  LA36127  Pellaea andromedifolia Bayard H. Brattstrom; 1950-12-12 sn Los Angeles Outpost Mountain, Eastern Santa Monica Mts Comment
  RSA651836  Pellaea andromedifolia Clyde May 1949-5-3 s.n. Los Angeles North of Cal Poly football field 182 Comment
  RSA686715  Pellaea andromedifolia T. R. Pray 1960-3-20 1650 Los Angeles Elizabeth Canyon Comment
  RSA787612  Pellaea andromedifolia F. H. Elmore 383 Los Angeles San Clemente Island. Comment
  SFV6769  Pellaea andromedifolia T. Gordon, K. A. Wilson, D. R. Perry, M. H. Grayum 1974-3-8 69 Los Angeles San Gabriel Mountains Placerita Canyon. Comment
  SFV65  Pellaea mucronata var. mucronata K. A. Wilson 1961-3-11 987 Los Angeles San Gabriel Mountains San Francisquito Canyon. 1.5 miles south of Green Valley (Spunky Canyon Road). 825 Comment
  UC812400  Pellaea mucronata var. mucronata Ira W. Clokey, B. Templeton May 1929 4537 Los Angeles Mandeville Canyon; Santa Monica Mts 450 Comment
  UCR51519  Pennisetum setaceum A. C. Sanders 1987-12-4 7578 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA739749  Penstemon centranthifolius John Dittes 2006-6-5 1405 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Gorman, 0.6 air miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos;, east side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  SBBG118768  Penstemon centranthifolius L. Gross with P. Morton 2004-6-9 1334 Los Angeles W end of the main crest, S from Pacific Crest Trail along rd (7N23) past the 2nd PC Trail that exits off N of the rd, W of Bear Gulch Camp; T7N R17W S12,11,10and3 1688 Comment
  RSA755945  Penstemon grinnellii R. G. Swinney 2008-7-25 9307 Los Angeles Twin Peaks, east peak. 2357 Comment
  POM117779  Penstemon grinnellii var. scrophularioides Marcus E. Jones 1926-6-7 s.n. Los Angeles South of Lebec. Comment
  RSA407919  Penstemon heterophyllus A. M. Johnson 1934-5-4 4451 Los Angeles Santa Monica Mtns: Sepulveda Canyon, base of cliff, among shrubbery; not common Comment
  UCR124431  Penstemon heterophyllus subsp. australis I. W. Clokey, B. C. Templeton 1929-1 4522 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  NY601673  Penstemon heterophyllus var. australis F. W. Johnson 1913-9-7 1537 Los Angeles Echo Mountain, Altadena 1066.8 Comment
  RSA225742  Penstemon heterophyllus var. australis Robert F. Thorne, Arthur C. Gibson 1971-5-22 39744 Los Angeles Fish Canyon. 335 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
  UCD124330  Penstemon spectabilis Gordon Pilone 1960-5-24 48 Los Angeles Wash area Pomona College in Claremont. 365 Comment
  UCR189706  Penstemon spectabilis R. G. Swinney 1998-7-27 6494 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  RSA401899  Penstemon spectabilis H. L. Bauer 1932-4-1 15339 Los Angeles Santa Monica Mountains. 610 Comment
  RSA0105225  Pentagramma triangularis R. G. Swinney 2011-10-27 15904 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
  LA200086  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-27 1812 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  LA94187  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2036 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  UC450862  Pentagramma triangularis subsp. triangularis Fay A. MacFadden 1931-5-29 55 E Los Angeles Tuna Canyon; Verdugo Hills Comment
  UCSB62245  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-9-4 Los Angeles San Gabriel Mtns., Fish Fork of the East Fork of the San Gabriel River, ca. 1 mi. downstream from upper Fish Fork Camp 1584 Comment
  UC625046  Pentagramma viscosa F. R. Fosberg 1931-3-20 R 77 Los Angeles Hamilton Canyon; Santa Catalina Isl. 25 Comment
  RSA0070739  Pentagramma viscosa Geo L. Moxley 1919-5-6 688 Los Angeles Catalina Island. Comment
  LA204575  Peritoma arborea Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  UCSB56346  Peritoma arborea Thorne, Robert 1975-9-3 Los Angeles Santa Catalina Island, near Blue Cavern Point 15 Comment
  CAS-BOT-BC73733  Peritoma arborea var. globosa Ernest Braunton 1902-5-25 321 Los Angeles Redondo Comment
  CAS-BOT-BC355972  Perityle emoryi Carl B. Wolf 1932-5-9 3436 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  UC90621  Perityle emoryi Rev. J. C. Nevin Los Angeles San Clemente Island Comment
  RSA535716  Perityle emoryi Timothy S. Ross 1991-5-22 5460 Los Angeles San Clemente Island. Spray Canyon; short canyon 2400 ft. ENE of Spray (which is 5200 ft. N of Eel Point), W side of island. 61 Comment
  CAS-BOT-BC419013  Persicaria lapathifolia Frank W. Peirson 1924-8-23 5151 Los Angeles West fork of San Gabriel River, just above forks, San Gabriel Mountains 411 Comment
  SBBG64841  Phacelia bicolor R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  JEPS84902  Phacelia bicolor var. bicolor L. R. Heckard 1985-5-4 6231 Los Angeles s side of Avenue E 1 mi e 10th St. East (s of Rosamond Dry Lake, ne of Lancaster); Mohave Desert 701 Comment
  CHSC23591  Phacelia cicutaria L. M. Mayer; I. J. Mayer 1974-4-10 150 Los Angeles Bouquet Canyon Rd. ca. 1/4 mi ne of its intersection with Vasquez Canyon Rd. Comment
  CHSC8397  Phacelia cicutaria var. hispida Edward L. Smith 1958-5-6 429 Los Angeles Located in Palmer Canyon. San Gabriel Mts. 609 Comment
  SDSU6641  Phacelia cicutaria var. hispida Gerald Collier 1951-4-15 M 409 Los Angeles simi hills. one mile inside en trance of north American testing grounds about 3 miles N.E of Chatts Worth Lake. Grassy Slope. Comment
  RSA763228  Phacelia cryptantha Justin M. Wood 2010-5-10 1566 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  RSA771640  Phacelia davidsonii R. G. Swinney 2009-6-2 10988 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA747417  Phacelia distans R. G. Swinney 2008-5-12 8839 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
  UCD120415  Phacelia distans Daryl Koutnik; Vickie Dawes 1978-4-6 258 Los Angeles South of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  UCR193546  Phacelia distans R. G. Swinney 1999-6-5 7267 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  UCR272573  Phacelia distans R. G. Swinney 2011-5-26 14843 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR276977  Phacelia distans R. G. Swinney 2010-6-1 13151 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
  SEINET4081445  Phacelia distans M. B. Dunkle 1939-1 7212 Los Angeles At southeast point of San Clemente Island. Comment
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Jul 26 2016
  JEPS2329  Phacelia douglasii W. L. Jepson 1935-4-17 17049 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  UCD169466  Phacelia douglasii Carl Epling 1943-3-13 s.n. Los Angeles San Hills. Playa del Rey, Pershing Drive, 1 mile south of Culver City Blvd. Comment
  SBBG41261  Phacelia egena E. E. Morse 1940-5-7 Los Angeles Little Rock River Cyn 10 mi SW of Palmdale 914 Comment
  POM19226  Phacelia floribunda P. A. Munz 1932-4-8 6624 Los Angeles San Clemente Island. Comment
  UCR250415  Phacelia fremontii Jeremiah George 2014-4-3 s.n. Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  JEPS1986  Phacelia grandiflora F. W. Peirson 1918-6-4 159 Los Angeles foothills e Rubio Canyon; San Gabriel Mountains 609 Comment
  RSA0112068  Phacelia grandiflora Steven A. Junak 2000-5-18 SCa- 1290 Los Angeles Santa Catalina Island. Above Goat Harbor. 356 Comment
  RSA138138  Phacelia grandiflora E. K. Balls 1960-5-23 24124 Los Angeles 0.5 mile N of Jct Mulholland Drive and road to Backus, Santa Monica Mts. 610 Comment
  NY57341  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  RSA0116173  Phacelia imbricata R. G. Swinney 2011-6-15 15202 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA0082878  Phacelia imbricata R. G. Swinney 2011-7-21 15530 Los Angeles Strawberry Peak summit 1860 Comment
  VVC3073  Phacelia imbricata subsp. patula Tim Thomas, P. J. MacKay 2015-5-10 6616 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  RSA190921  Phacelia lyonii Robert F. Thorne 1967-5-18 36871 Los Angeles Wild Boar Gully, Santa Catalina Island. 183 Comment
  SBBG108990  Phacelia lyonii S. A. Junak 1996-10-1 SCl 696 Los Angeles Horse Cyn at large bend in cyn, ca. 2 mi SW of Thirst 234 Comment
  SBBG95265  Phacelia lyonii M. B. Dunkle 1928-10-7 1989 Los Angeles Middle Ranch Gorge Comment
  RSA0070276  Phacelia minor R. G. Swinney 2010-4-20 12287 Los Angeles Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA649798  Phacelia minor Matt Brooks 1988-5-7 33 Los Angeles Whittier, Dark Canyon 0.4 miles east of its confluence with Sycamore Canyon. Comment
  RSA662184  Phacelia minor Giancarlo Massarotto 1981-5-28 54 Los Angeles Private home garden 1020 So. Valinda Ave. W. Covina. Comment
  UCD120578  Phacelia minor Kenneth A. Wilson 1961-4-20 1147 Los Angeles Soledad Canyon. Sandy wash at base of Bee Canyon. Comment
  SBBG11780  Phacelia parryi H. and M. Dearing 1935-3-9 1501 Los Angeles Mint Cyn Comment
  RSA0021709  Phacelia ramosissima Duncan S. Bell, Caitlin Elam 2013-6-24 5258 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA0098637  Phacelia ramosissima R. G. Swinney 2010-5-11 12697 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
  RSA233419  Phacelia ramosissima var. ramosissima Robert F. Thorne 1969-7-9 38589 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  RSA599338  Phacelia tanacetifolia Steve Boyd, Lauren Raz 1997-3-26 9366 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR281657  Phacelia tanacetifolia R. G. Swinney 2014-4-18 16141 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  RSA602244  Phacelia viscida R. S. Woglum 1934-4-8 1281 Los Angeles Western Transverse Ranges: San Fernando Valley, North Hollywood. Comment
  RSA654576  Phalaris arundinacea B. L. Bement 1977-4-30 s.n. Los Angeles Cal Poly Pomona Campus. Comment
  POM1059  Phalaris minor I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 84 Comment
  POM356915  Phalaris minor F. R. Fosberg 1930-6-23 S 2951 Los Angeles Del Rey. 1 Comment
  POM356923  Phalaris minor Grethe Moskedahl 1923-4-23 s.n. Los Angeles Downey. Comment
  CATA3089  Phalaris paradoxa Amy Catalano, Steven Junak 2016-4-29 095 Los Angeles Santa Catalina Island: Northwest end of Empire Landing Road just east of Isthmus Road 213 Comment
  CHSC8053  Philadelphus lewisii Edward L. Smith 1957-4-25 227 Los Angeles Located in Little Dalton Canyon. San Gabriel Mts. 365 Comment
  RSA435568  Pholisma arenarium Bonnie C. Templeton 1946-4-30 6792 Los Angeles Near Little Rock, Los Angeles county. Comment
  UC880869  Pholistoma auritum F. R. Fosberg 1931-4-13 S 4592 Los Angeles right fork Pebble Beach Canyon; Santa Catalina Isl., Pebble Beach Canyon 30 Comment
  CAS-BOT-BC222559  Pholistoma auritum var. auritum I. Johnston 1917-3-29 1249 Los Angeles Above Claremont Comment
  RSA527730  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4296 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  UCR140626  Phoradendron densum Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-17 4- 30 Los Angeles San Gabriel Mtns/Mojave Desert, Largo Vista Road 3.1 mi south of Route 18, SE of Llano, Site L4 1275 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
  SEINET6057581  Phoradendron densum Unknown 1996-10-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  UC1194630  Phoradendron densum Del Wiens Oct. 1953 843 Los Angeles near El Rancho 76 (U.S. Hwy 99, on the ridge route) 1066 Comment
  LA200865  Phoradendron macrophyllum Carl Epling; L. Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  LA201822  Phoradendron villosum subsp. villosum Arthur C. Gibson; 2003-7-18 Los Angeles SANTA MONICA MOUNTAINS, Nicholas flat about 1 km from Decker School Road. Comment
  SEINET10502000  Phyllospadix scouleri Robert F. Thorne 1966-4-15 Thorne 36012 Los Angeles San Clemente Island: intertidal pools, attached to rocks ca 1/2 mile SSE of Eel Point, SW side of island; with Phyllospadix torreyi and various algae. Previously unreported from island but the dominant marine phanerogam on rocks in shallow water around island. Comment
  UCR142487  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S- 4575 Los Angeles Channel Islands, Santa Catalina Island, Jewfish Point 0 Comment
  RSA682952  Phyllospadix torreyi E. Yale Dawson 1957-12-5 17895 Los Angeles 25200 block Malibu Rd. Malibu Beach, Los Angeles, Co. Comment
  RSA423757  Physalis philadelphica E. S. Spalding 1922-11-30 s.n. Los Angeles Near Glendale. Comment
  HSC12254  Pinus attenuata Wendell Wood 1970-6-24 49 Los Angeles Switzer's Camp, Angeles Crest Hwy. 9 mi beyond intersection with Foothill Blvd. 915 Comment
  RSA640322  Pinus attenuata L. C. Wheeler 1931-8-16 s.n. Los Angeles San Gabriel Mountains: San Antonio Canyon. 915 Comment
  RSA0020600  Pinus coulteri R. G. Swinney 2009-7-29 11408 .5 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR132291  Pinus coulteri John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
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Mar 29 2014
  CATA1922  Pinus halepensis Amy Catalano 2014-9-22 011 Los Angeles Santa Catalina Island: Roy Rose Garden 446 Comment
  CATA3477  Pinus halepensis Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-10-2 004 Los Angeles Santa Catalina Island: Interior; ~100m north of Middle Ranch Road, between Skull Ridge Road and Middle Ranch Road in the Middle Middle Canyon watershed 293 Comment
  CAS-BOT-BC78869  Pinus monophylla Joseph Andorfer Ewan 1936-8-2 9918 a Los Angeles Mescal Creek 1615 Comment
  JEPS46894  Pinus sabiniana W. L. Jepson 1929-1-10 15100 Los Angeles Liebre Mts. 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
  UCR71167  Pityrogramma triangularis var. viscosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4417 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  POM246793  Plagiobothrys canescens F. R. Fosberg 1931-3-25 669 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 100 Comment
  UCR223480  Plagiobothrys collinus R. G. Swinney 2009-5-28 10926 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA251548  Plagiobothrys collinus var. gracilis R. F. Thorne 1973-4-11 42818 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  UCR231905  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8018 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 70 m west of Sierra Highway and 420 m north of Avenue F 702 Comment
  UCR114928  Plantago coronopus C. B. Wolf 1932-5-11 03554 Los Angeles Channel Islands, Santa Catalina Island, west side of Isthmus Harbor 30 Comment
  RSA709539  Plantago erecta A. C. Sanders 2003-4-29 26167 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  UC1211109  Plantago erecta Huron H. Smith 1912-5-1 4890 Los Angeles Eagle Rock Valley 152 Comment
  UC888391  Plantago erecta F. R. Fosberg 1931-3-26 S 4548 Los Angeles Avalon Cnayon Santa Catalina Island 120 Comment
  POM4820  Plantago hirtella var. galeottiana O. Kenney 1890-1 s.n. Los Angeles Collected near Pasadena Comment
  UCR139945  Plantago indica L. C. Wheeler 1964-10-11 8637 Los Angeles Los Angeles Basin region; San Gabriel Valley, South El Monte, just south of Rush Street, extended Rio Hondo 67 Comment
  UCR205714  Plantago lanceolata A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36933 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA747336  Plantago major R. G. Swinney 2005-8-5 8391 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  SEINET3161528  Plantago speciosa G. B. Grant 1901-1 Ex. 1000 Los Angeles Santa Catalina Island Comment
  RSA601136  Plantago virginica Louis C. Wheeler 1946-5-30 6215 Los Angeles San Marino. San Marino Park. Comment
  UCR270841  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA0102693  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA649001  Platanus racemosa Scott Lowe 1991-5-12 24 Los Angeles San Gabriel River channel, about 250 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA652522  Platanus racemosa A. E. Hersh 1950-7-15 s.n. Los Angeles Topango [Topanga] Canyon about 3 miles from west end. 152 Comment
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May 29 2014
  RSA660477  Platanus racemosa Ian Thompson 1997-2-26 26 Los Angeles Cal Poly Pomona Ecological Reserve, floor of Box Canyon approx. 100 yards south of graded fill from Forest Lawn. Comment
  UCR212798  Platanus racemosa Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1841 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UC146744  Platystemon californicus J. Burtt Davy 1896-5-25 2659 Los Angeles Leonis Valley; bet. Manzana and Gorman's Comment
  POM215933  Plectritis ciliosa subsp. insignis Louis C. Wheeler 1935-4-25 3439 Los Angeles Placerita Canyon. 457 Comment
  RSA626097  Plectritis ciliosa subsp. insignis LeRoy Gross 1999-4-29 158 Los Angeles Sierra Pelona Mountains. 1220 Comment
  CAS-BOT-BC356128  Pluchea odorata Geo. B. Grant Oct 4 s.n. Los Angeles Los Angeles Comment
  RSA0116199  Poa Steven A. Junak 2000-4-15 SCa- 1206 Los Angeles Santa Catalina Island. On W side of road to Lone Tree, ca. 0.1 mi. from junction w/ Divide Road. 479 Comment
  SACT001862  Poa incurva Michael Baad 1976-8-25 Los Angeles Ridge north of and including Twin Peaks. 5.6 km northwest of Homewood. 794.0 Comment
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Feb 3 2015
  UCR95532  Poa pratensis Steve Boyd 1996-4-25 8697 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  RSA586968  Poa secunda Orlando Mistretta 1995-5-23 1712 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1875 Comment
  RSA608698  Poa secunda L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail, near Big Dalton Canyon. 731 Comment
  UCR223445  Poa secunda R. G. Swinney 2009-6-3 11045 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC236207  Poa secunda subsp. secunda LeRoy Abrams 1903-3-8 3105 Los Angeles Near Inglewood Comment
  SBBG47144  Poa secunda subsp. secunda K. K. Muller 1972-5-2 3080 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  RSA230714  Poa trivialis R. F. Thorne 1969-7-9 38572 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines. 2073 Comment
  POM254477  Polycarpon tetraphyllum L. S. Rose 1940-5-15 40130 Los Angeles Crastal Dunes, Redondo Bench. Comment
  SBBG31083  Polygonum arenastrum R. F. Thorne 1966-9-16 36713 Los Angeles margin of reservoir at Hay Press 411 Comment
  RSA464410  Polygonum aviculare subsp. aviculare E. Crow 1928-3-21 275 Los Angeles Claremont. Comment
  UCR186676  Polygonum lapathifolium T. B. Salvato, Sarah Flack 2007-8-8 3026 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  NY412666  Polygonum lapathifolium Rev. J. C. Nevin s.n. Los Angeles Comment
  LA82522  Polypodium californicum O. H. Kappler; 1941-2-9 79 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA689883  Polypodium californicum Martha Hilend 1928-2-9 40 Los Angeles Big Santa Anita Canyon. Comment
  RSA689888  Polypodium californicum M. B. Dunkle 1929-2-10 2050 Los Angeles Santa Catalina Island, Bullrush Canyon. 1000 Comment
  RSA689909  Polypodium californicum Donald R. Bissing 1973-6-2 164 Los Angeles Evey Canyon; San Gabriel Mountains. 707 Comment
  SBBG17995  Polypodium californicum E. R. Blakley 1963-4-7 5513 Los Angeles S side Middle Ranch Cyn, 0.5 mi below Eagles Nest 152 Comment
  RSA213419  Polypodium californicum Reid V. Moran 1941-2-2 598 Los Angeles Middle Ranch, north facing rocks along creek, San Clemente Island Comment
  SBBG132076  Polypodium californicum S. A. Junak, B. Collins 1991-4-25 SCI 215 Los Angeles Middle Ranch Cyn, just downstream from cement dam 463 Comment
  UCSB62322  Polypodium californicum Kiefer, Lawrence 1966-6-5 Los Angeles San Gabriel Mtns., W of Mt. Baldy Village, Bar Canyon Trail 1402 Comment
  SD72758  Polypogon interruptus F. R. Fosberg 1931-5-21 S 4942 Los Angeles Howlands Landing, Santa Catalina Isl., steep north slope 10 Comment
  UC1587692  Polypogon interruptus Tim Ross 1991-3-9 4169 Los Angeles seepage ca 300 ft sw Colima Rd x Camino del Sur (Whittier Hills (Puente Hills, pro parte)); Whittier Hills (Puente Hills, pro parte) 213 Comment
  RSA0021955  Polypogon maritimus Duncan S. Bell, Caitlin Elam 2013-6-24 5295 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  CAS-BOT-BC232404  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Mojave Desert. Avenue E, 0.5 mile E of Highway US 6, Rosamund region 617 Comment
  RSA601051  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-6-18 9977 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SD72832  Polypogon monspeliensis F. R. Fosberg 1931-5-2 S 4738 Los Angeles Santa Catalina Island; Middle Ranch Dam, in running stream 199 Comment
  UCR224015  Polypogon monspeliensis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11680 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  LA10115  Polypogon monspeliensis A. M. Johnson; 1931-6-9 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET10593589  Polypogon monspeliensis Camp 1912-6-11 CAMP s.n. Los Angeles Claremont 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
  UCR208038  Polystichum imbricans Geo. L. Moxley 1915-7-19 383 Los Angeles San Gabriel Mtns., Arroyo Seco Canyon Comment
  RSA0019766  Polystichum imbricans subsp. imbricans Orlando Mistretta, Christine Mistretta 2011-7-1 5892 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  UCR153947  Populus fremontii A. C. Sanders 2005-5-11 30204 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
  UCR270891  Populus nigra R. G. Swinney 2011-5-26 14879 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA607616  Portulaca oleracea L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon, Blum Ranch. 884 Comment
  NY689142  Potentilla multijuga H. E. Hasse 06 1893 s.n. Los Angeles Near Los Angeles. Comment
  CAS-BOT-BC206972  Prosopis glandulosa var. torreyana Timothy S. Ross; Annette H. Ross 1991-6-3 5554 Los Angeles Undeveloped slopes west of California State Polytechnic University, Pomona, San dimas USGS 7.5' - San Jose Hills 335 Comment
  CAS-BOT-BC154944  Prunus ilicifolia John H. Thomas 1957-5-3 6727 Los Angeles Hills north of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  RSA0116121  Prunus ilicifolia R. G. Swinney 2010-6-1 13161 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
  RSA453251  Prunus ilicifolia Anstruther Davidson 1890-4-10 1842 Los Angeles Foot hills, Hollywood. Comment
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Oct 25 2015
  UC12773  Prunus ilicifolia Harley P. Chandler 1897-4-12 Los Angeles Claremont, Palmer's Canyon Palmer's Canyon; Claremont, Palmer's Canyon 731 Comment
  RSA650190  Prunus ilicifolia subsp. ilicifolia Lori Ackerman, Gerald Braden 1988-4-22 4 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  SBBG13619  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-5-2 17828 Los Angeles near mouth of Cherry Cyn Comment
  SD69041  Prunus ilicifolia subsp. lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island, near terminus of Renton Mine Road, upper end Pebbly Beach Canyon 274 Comment
  SD251795  Prunus ilicifolia subsp. lyonii M. B. Dunkle 1939-4-3 7243 Los Angeles San Clemente Island: Chenetti Canyon, on bank. Comment
  CAS-BOT-BC356418  Pseudognaphalium beneolens Clyde Ellis 1940-9-1 s.n. Los Angeles Mojave Desert, Palmdale Comment
  CATA1102  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-23 2056 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  SBBG95426  Pseudognaphalium biolettii M. B. Dunkle 1932-5-29 2973 Los Angeles White's Landing Comment
  SEINET2053764 Image available Pseudognaphalium biolettii Dave Charlton 1987-1-31 640 Los Angeles Saddle Peak, Santa Monica Mountains. 609 Comment
  UCR259912  Pseudognaphalium biolettii R. G. Swinney 2010-3-16 11943 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  SBBG98075  Pseudognaphalium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5199 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  UCR260338  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12558 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
  JEPS23593  Pseudognaphalium microcephalum Peter Kamb 1948-2-29 792 Los Angeles above Sunset Canyon (crest of the Verdugo Range); Verdugo Range 853 Comment
  CAS-BOT-BC357455  Pseudognaphalium ramosissimum Rev. J. C. Nevin 1881-1-1 s.n. Los Angeles Los Angeles Comment
  RSA279118  Pseudognaphalium stramineum R. F. Thorne 1971-3-18 41493 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  RSA591995  Pseudognaphalium stramineum Mark Hoefs 1974-4-30 430 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  POM120009  Pseudotsuga macrocarpa Marcus E. Jones 1883-11-25 s.n. Los Angeles Pasadena. Comment
  RSA0081385  Pseudotsuga macrocarpa R. G. Swinney 2010-9-13 13802 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  UCR38983  Pseudotsuga macrocarpa David J. Keil 1980-3-28 13740 Los Angeles San Gabriel Mtns., Lower Shake campground near Lake Hughes 1311 Comment
  RSA656192  Psilocarphus tenellus var. tenellus Joseph M. Keefe 1978-5-23 23254 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA561598  Pteridium aquilinum var. pubescens Steve Boyd, Walter Appleby 1993-5-24 8167 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within Tujunga Ranger District of Angeles National Forest. Seepages along upper end of Wilson Canyon Road, south of Wilson Canyon Saddle and east of the communications facilities. 945 Comment
  CAS-BOT-BC421188  Pterostegia drymarioides C. Baker 1909-3-20 5260 Los Angeles Claremont Comment
  LA52267  Pterostegia drymarioides A. M. Johnson; 1935-4-26 4604 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UC1128509  Purshia tridentata var. glandulosa H. S. Yates 1936-4-6 5405 Los Angeles near Valyermo; Rock Creek Quad. 1371 Comment
  RSA747198  Pycnanthemum californicum R. G. Swinney 2005-8-5 8385 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  UCR270120  Pycnanthemum californicum R. G. Swinney 2010-9-9 13795 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
  UCR182705  Pyrola dentata R. G. Swinney 1997-7-23 5739 Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  RSA475265  Quercus X macdonaldii Mark Hoefs 1974-10-3 577 Los Angeles Upper part of Middle Canyon [Santa Catalina Island]. 299 Comment
  POM290526  Quercus berberidifolia Lyman Benson 1948-11-9 13547 Los Angeles Hill at west side of mouth of Monrovia Canyon 305 Comment
  RSA29910  Quercus berberidifolia Louis C. Wheeler 1931-10-11 252 Los Angeles Thompson Wash 3 miles NE La Verne 404 Comment
  RSA652307  Quercus berberidifolia A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
  SFV17675  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles San Gabriel Mountains 11.4 miles west of Palmdale; beside road to Elizabeth Lake. Comment
  UCSB34689  Quercus berberidifolia Nixon, Kevin; Hendon, Emily 1980-5-25 Los Angeles County road N2, Lake Hughes; 7.7 miles southeast of Calif. Hwy 138 (at 3 points rd.) Comment
  RSA571670  Quercus chrysolepis Louis C. Wheeler 1932-4-16 629 Los Angeles W fork Santa Anita Canyon 915 Comment
  UC5510  Quercus chrysolepis J. H. Barber 1897-6-30 228 Los Angeles Pierson's Mine Comment
  SD171858  Quercus douglasii E. R. Blakely 1962-10-6 5472 Los Angeles Santa Catalina Island, head of Bullrush Canyon 358 Comment
  CAS-BOT-BC86403  Quercus dumosa C. E. Miller 1919-1-1 s.n. Los Angeles Catalina Island Comment
  UCD45996  Quercus dumosa Donald R. Bissing 1973-6-2 122 Los Angeles Evey Canyon, San Gabriel Mountains. 0.8 mile from mouth of canyon. Alt. 2640 ft. 804 Comment
  RSA747860  Quercus durata var. gabrielensis Scott D. White, Justin M. Wood 2009-5-6 12683 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  SFV22020  Quercus durata var. gabrielensis V. Soza, L. Gross, A. Munoz 2000-5-12 893 Los Angeles Verdugo Mountains Northeast side of Verdugo Mountains. Glendale, Engleheard Canyon, Camp Max Strauss at end of Shirlyjean Street. Fire road south from Engleheard Canyon to power lines. Northeast-facing slope above fire road. 396 Comment
  RSA682297  Quercus durata var. gabrielensis R. E. Riefner Jr. 2000-8-29 760 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  POM285662  Quercus engelmannii Lyman Benson 1951-10-15 14808 Los Angeles 1400 Rancho Road, Arcadia. Santa Anita Oaks. 244 Comment
  UCR207692  Quercus engelmannii Justin M. Wood 2009-4-13 499 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  SBBG11823  Quercus john-tuckeri D. E. Breedlove 1961-8-4 923 Los Angeles intersection with Big Pines Hwy and Largo Vista Rd 1371 Comment
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Jan 23 2015
  CAS-BOT-BC61550  Quercus lobata Carl B. Wolf 1932-10-19 4351 Los Angeles Ridge Route Road, 1/4 mi. SO of Santa Clara River 365 Comment
  SBBG13442  Quercus pacifica E. R. Blakley 1962-10-6 5477 Los Angeles 0.25 mi below lower reservoir in Bullrush Cyn Comment
  RSA158257  Quercus tomentella Peter H. Raven 1962-7-11 18000 Los Angeles San Clemente Island, Wilson Cove. 61 Comment
  RSA477294  Quercus tomentella F. R. Fosberg 1931-7-16 S 5607 Los Angeles Gallagher's Canyon. Santa Catalina Island. 100 Comment
  RSA479371  Quercus tomentella Mark Hoefs 1974-9-25 561 Los Angeles Santa Catalina Island, lower west fork of Gallagher's Canyon 152 Comment
  SBBG80322  Quercus tomentella F. C. Boutin 1967-4-23 1659 Los Angeles Lemon Tank 304 Comment
  UCR223059  Quercus wislizeni R. G. Swinney 2009-6-2 11014 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA584981  Rafinesquia californica Timothy S. Ross 1993-5-16 7150 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 770 m NW of Horse Canyon Saddle. 1067 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
  RSA84264  Ranunculus aquatilis var. capillaceus F. W. Peirson 1923-6-9 4304 Los Angeles Bouquet Canyon, northwest part of San Gabriel Mts. 762 Comment
  UCD96140  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S 4348 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  RSA0112065  Raphanus raphanistrum Steven A. Junak 2000-5-6 SCa- 1277 Los Angeles Santa Catalina Island. Just N of Upper Quarry Road, ca 2.4 mi. W of junction w/road to housing at Empire Landing. 289 Comment
  RSA657374  Raphanus sativus Joseph M. Keefe 2001-1-24 31031 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA774053  Rhamnus californica R. G. Swinney 2009-6-12 11123 Los Angeles Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  RSA390183  Rhamnus californica subsp. californica E. Crow 1928-10-21 5 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA607418  Rhamnus californica subsp. californica Louis C. Wheeler 1932-7-2 909 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  CAS-BOT-BC59927  Rhamnus crocea B. F. Allen; C. F. Allen 1941-8-10 s.n. Los Angeles Junction of Reyniez and Sand Canyons. N. face of San Gabriel Mts. Comment
  RSA390811  Rhamnus crocea Anstruther Davidson 1891-6-11 s.n. Los Angeles Cahuenga Foothills Comment
  JEPS32569  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1936-5-27 Los Angeles 2 mi off Soledad Canyon (Indian Canyon Camp); San Gabriel Mts. 914 Comment
  RSA188539  Rhamnus tomentella subsp. cuspidata Robert F. Thorne, John Olmsted 1965-8-26 35400 Los Angeles San Gabriel Mtns, Angeles National Forest: Cabin Flat along Prairie Fork, 1585 Comment
  UC33637  Rhamnus tomentella subsp. cuspidata J. Burtt Davy May 9 1896-May 24 1896 2536 Los Angeles Manzana Antelope Valley Comment
  UCR49783  Rhaphiolepis indica G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  UCR107775  Rhus aromatica M. E. Siqueiros D. 1997-3-19 4375 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. & Foothill Blvd. west of main paved road, north of Foothill Blvd. 50 m from NW fence. 412 Comment
  CATA146  Rhus integrifolia Sarah Ratay, Sula Vanderplank, Lucinda McDade, Jeanie Shelton 2009-10-26 109 Los Angeles Santa Catalina Island: Wrigley Memorial Garden, just W of Memorial, along road, outside gate to garden 129 Comment
  LA200135  Rhus integrifolia Norman A. Cole; May 1964 332 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  RSA296859  Rhus integrifolia W. L. Jepson 1908-7-13 3054 Los Angeles Swain Canon Comment
  UC1870257  Rhus integrifolia LeRoy Gross 2003-3-7 778 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. A short distance east from Lat., Long., 34° 15' 12.2'' N, 118° 19' 16.8''W. 518 Comment
  UCR68947  Rhus integrifolia Steve Boyd, T. Ross, et al 1990-4-7 4203 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA0014725  Rhus integrifolia Laura Moore 1999-4-10 10 Los Angeles Pitzer College, Claremont. Southeastern corner of Outback, about 5 yards from eastern border with Claremont Boulevard. 351 Comment
  SEINET3155707  Rhus integrifolia var. integrifolia G. B. Grant 1120 Los Angeles Pasadena Comment
  RSA0056314  Rhus laurina Harold L. Pirie 1963-7-4 s.n. Los Angeles Santa Monica Mountains. Along Stunt Road just off Mulholland Highway. 289 Comment
  RSA386385  Rhus ovata Vernon Rutherford 1948-07 s.n. Los Angeles Canton Canyon, vicinity of Castaic. Tehachapi Mts. Range. Comment
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Jan 10 2013
  RSA785297  Rhus ovata Doris Bowers 1970-1-30 790 Los Angeles Topanga Canyon area - Greenleaf Canyon, just past bridge. 610 Comment
  RSA0043102  Rhus ovata Paul M. Inman 1983-5-8 50883 -1 6 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia. Growing on a west facing slope at north end of weir at Hoegee's Camp on Winter Creek at Hoegee's Camp. Comment
  CAS-BOT-BC92282  Ribes amarum Alice Eastwood 1919-6-20 9040 Los Angeles Mount Wilson. Comment
  RSA162691  Ribes aureum var. gracillimum J. D. Olmsted 1959-2-23 s.n. Los Angeles Blanchard Park, Pomona College Campus near Claremont, near E boundary LA, Foot of San Gabriel Mts. 366 Comment
  RSA762447  Ribes aureum var. gracillimum R. G. Swinney 2009-2-20 10009 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  SD112112  Ribes aureum var. gracillimum Linda Allen 1975-6-15 Los Angeles Century Ranch, W. Santa Monica Mts. Comment
  UCR70843  Ribes aureum var. gracillimum L. C. Wheeler 1932-5-4 681 Los Angeles San Gabriel Valley, San Gabriel Wash 107 Comment
  UCR270055  Ribes californicum var. californicum R. G. Swinney 2011-3-17 14114 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UC56916  Ribes californicum var. hesperium Mrs. E. D. Palmer before Feb 1902 Los Angeles Los Angeles Comment
  RSA188502  Ribes cereum var. cereum Robert F. Thorne 1965-8-26 35354 Los Angeles San Gabriel Mountains; Angeles National Forest, near top of Blue Ridge SE of Holiday Hill Ski Lift 2561 Comment
  CAS-BOT-BC108877  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash at El Monte. 91 Comment
  UCR24340  Ribes divaricatum var. parishii John C. Roos, L. Roos 1950-7-15 4850 Los Angeles San Gabriel Valley, Whittier Narrows, San Gabriel River bed near Whittier 61 Comment
  POM219660  Ribes indecorum F. R. Fosberg 1932-6-18 8541 Los Angeles Hogback, San Antonio Canyon 1300 Comment
  RSA595510  Ribes indecorum Louis C. Wheeler 1969-2-16 s.n. Los Angeles San Gabriel Mountains. Bench 1/4 mi. east of confluence of Arroyo Seco and El Prieto Canyon. 388 Comment
  CAS-BOT-BC173398  Ribes malvaceum John H. Thomas 1956-11-8 6474 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  LA51399  Ribes malvaceum Henry J. Thompson; 1959-3-22 1864 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  UCR142800  Ribes malvaceum B. C. Templeton 1931-1-27 1408 Los Angeles Hills north of Griffith Park 200 Comment
  RSA589107  Ribes nevadense Orlando Mistretta 1994-7-1 1391 Los Angeles San Gabriel Mountains: Santiago Canyon. Sheep Camp Spring, Northwest of summit of Pacifico Mountain. 1951 Comment
  UCR202533  Ribes roezlii R. G. Swinney 2001-8-9 8013 Los Angeles San Gabriel Mtns., Mount Williamson, second peak from east on the ridge 2494 Comment
  RSA476236  Ribes roezlii var. roezlii F. R. Fosberg 1971-8-11 S 5455 Los Angeles Islip trail, Islip-Hawkins divide, s slope Mt. Hawkins. 2300 Comment
  RSA638852  Ribes roezlii var. roezlii Valerie L. Soza, Laura Moore 1999-6-30 574 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above Hoegee Campground. 854 Comment
  CHSC98413  Ribes speciosum LeRoy Gross; Michael Honer, Leland Iubinsky 2000-4-27 187 Los Angeles San Rafael Hills: Canyon just north of ridge running west from lookout tower, east of the (2) Glendale Freeway. Canyon bottom, area burned in 1999. 457 Comment
  OBI2797  Ribes speciosum B. Fuchs 1968-5-22 35 Los Angeles Mulholland Dr. 4 mi W of San Diego fwy 610 Comment
  RSA23580  Ribes viburnifolium Percy C. Everett 1939-9-19 9538 Los Angeles Santa Catalina Island, 3.5 miles from Avalon, on road to Isthmus, near 2nd large reservoir 457 Comment
  RSA454975  Ribes viburnifolium F. R. Fosberg 1931-5-5 S 4774 Los Angeles Santa Catalina Island, Bullrush Canyon 60 Comment
  RSA648997  Ricinus communis Scott Lowe 1991-5-12 25 Los Angeles San Gabriel River channel, about 50 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA703341  Ricinus communis LeRoy Gross 2005-2-15 1390 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  RSA681152  Ricinus communis LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1030 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  RSA600150  Rigiopappus leptocladus Steve Boyd, Lauren Raz 1997-5-1 9645 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  CATA215  Romneya coulteri Mark L. Hoefs 1973-4-27 200 Los Angeles Santa Catalina Island: Upper Avalon Canyon 100 Comment
  RSA652117  Romneya coulteri Donald E. Miller 1948-5-17 s.n. Los Angeles On Glendora Road. 1220 Comment
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Jun 22 2015
  SEINET10833032  Rosa banksiae David B. Dunn 1946-1 Dunn 1997 Los Angeles 10 ft tall climber; old trunk 8 inches in diameter. Collected at 316 n ave. 50. Cecil-brunner double dwarf rose Comment
  CAS-BOT-BC147484  Rosa californica Le Roy Abrams; E. A. McGregor 1908-6-20 407 Los Angeles Liebre Mountains. Between Oakgrove Canyon & Elizabeth Lake Comment
  CATA3102  Rosa californica Amy Catalano 2016-5-11 105 Los Angeles Santa Catalina Island: South side of Middle Ranch Road, 200 meters down canyon from Pumphouse 2 291 Comment
  POM183632  Rosa californica Joseph A. Ewan 1929-11-11 3439 Los Angeles Rustic Canyon, Santa Monica Mtns. Comment
  RSA719749  Rosa californica R. G. Swinney, Dave Larson 1996-7-17 5148 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA654426  Rubus procerus Matt Brooks 1988-5-12 63 Los Angeles Hacienda Heights, Oak Canyon Dr. 0.8 miles south of its intersection with Turnbull Canyon Rd. Comment
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Aug 12 2014
  POM1473  Rubus ursinus Unspecified 1893-05 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  RSA653902  Rubus ursinus Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 816 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 549 Comment
  PASA1200  Rubus vitifolius Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  SBBG127976  Rumex conglomeratus M. L. Hoefs, S. A. Junak 1996-7-9 2718 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  UC6945  Rumex hymenosepalus J. Burtt Davy May 9 1896-May 24 1896 2591 Los Angeles Leonis Valley Antelope Valley Comment
  POM215938  Rumex salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mile west of Claremont 366 Comment
  RSA466117  Rumex salicifolius Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  SBBG98532  Rumex salicifolius T. Ross 1991-5-21 5409 Los Angeles SW side of island; jct of the upper two forks of Box Cyn 449 Comment
  UCR129924  Rumex salicifolius var. denticulatus Orlando Mistretta, T. S. Ross 1994-6-1 1310 Los Angeles San Gabriel Mtns, Santiago Canyon 1433 Comment
  RSA608039  Rupertia physodes L. C. Wheeler 1947-7-4 6540 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon 670 Comment
  RSA353669  Sagittaria calycina Robert Gustafson 1981-6-17 2242 Los Angeles Ballona Wetlands, Area 2. Comment
  CATA1246  Salicornia pacifica Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2326 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA226137  Salix exigua Robert F. Thorne, C. W. Tilforth 1971-6-17 39954 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA597292  Salix exigua R. G. Swinney 1994-8-23 3224 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1220 Comment
  SEINET6075125  Salix exigua Unknown 1954-3-23 15260 Los Angeles Chino Wash at the south edge of Pomona on the road to Chino. Comment
  UCR206471  Salix exigua A. C. Sanders, T. B. Salvato 2009-5-20 36850 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR208207  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  UCR255854  Salix exigua Dan S. Cooper 2014-6-26 614- 61 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  RSA92542  Salix exigua F. W. Peirson 1932-4-17 9859 Los Angeles Margin of Lovejoy Dam, Lovejoy Buttes, SW Mojave Desert. 762 Comment
  RSA594585  Salix gooddingii Louis C. Wheeler 1967-5-2 9280 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles County firearms closure map. 396 Comment
  RSA720150  Salix gooddingii LeRoy Gross 2007-4-6 2627 Los Angeles Southern front of the range: Wildwood Canyon. 499 Comment
  UCR212825  Salix gooddingii Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1780 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, San Dimas Canyon Creek just downstream from dam 404 Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  RSA597823  Salix laevigata Louis C. Wheeler 1969-4-20 s.n. Los Angeles Liebre Mountains. Wagon Wheel Ranch, Aliso Canyon. Comment
  SEINET3158573  Salix laevigata G. B. Grant 1155 Los Angeles Pasadena, S California Comment
  CATA3188  Salix lasiolepis Julia Parish 2016-8-9 006 Los Angeles Santa Catalina Island: East of Old Cottonwood Dam Road, at drainage crossing 68 Comment
  RSA133775  Salix lasiolepis Peter H. Raven 1959-2-15 13793 Los Angeles Franklin Canyon 2.3 miles south of Mulholland Drive. 290 Comment
  SD82925  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38901 Los Angeles San Gabriel Mts., Angeles National Forest; canyon above Angeles Crest Hwy. c. 1 mi W of Vincent gap, at one of headwaters of E fork Big Rock Creek N face Mt. Baden-Powell 2332 Comment
  UC1134985  Salix lasiolepis P. L. Johannsen 1934-3-1 311 Los Angeles 1/2 mi s.w. Castaic; Santa Susana Quad. Comment
  UC1971170  Salix lasiolepis Louis C. Wheeler 1968-6-1 Los Angeles San Gabriel Mtns.: Dorr Canyon at Angeles Crest Hwy. (by Whitethorn picnic area). Comment
  LA208801  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-3-15 7641 Los Angeles Area 1 Comment
  CAS-BOT-BC107554  Salix lasiolepis var. lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura (Picture City), Santa Monica Mountains Comment
  POM219210  Salix lucida subsp. lasiandra Louis C. Wheeler 1930-3-8 s.n. Los Angeles San Dimas Canyon (1/2 mile above the falls), San Gabriel Mountains. 640 Comment
  RSA422344  Salpichroa origanifolia G. R. Johnstone 1933-8-4 17956 Los Angeles Dr. Johnstone's hen house. Comment
  CDA20482  Salsola australis M. O'Brien 2004-8-21 MOB 4 -04 Los Angeles South Coast; Glendale Blvd at the Glendale/Los Angeles city line. Comment
  RSA38999  Salsola tragus E. A. Purer 1933-10-7 5593 Los Angeles El Segundo. Comment
  RSA444934  Salsola tragus L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  RSA561572  Saltugilia splendens subsp. grantii Steve Boyd, Walter Appleby 1993-5-24 8162 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon. 792 Comment
  RSA628807  Saltugilia splendens subsp. grantii Scott D. White, Dave Bramlet 1998-6-29 6832 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness; 4-mile closed section of Hwy. 39 from ca. 1.6 miles W of jctn. Crystal Lake access road to jct. Hwy 2. 1707 Comment
  POM308199  Saltugilia splendens subsp. grantii Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3003 Los Angeles Altadena, San Gabriel Mts., Soldier's Creek. Comment
  RSA244394  Saltugilia splendens subsp. grantii Robin S. Collins 1973-5-28 321 Los Angeles Trail Canyon 732 Comment
  OBI69292  Salvia apiana John Knap, Denise Knapp 2003-5-11 43 Los Angeles Catalina Island, 371749.51N x 3692478.97 366 Comment
  RSA442842  Salvia apiana William Emboden 1969-5-28 28 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  UC440354  Salvia carduacea C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  RSA401441  Salvia columbariae Thekla Mohr 1897-04 s.n. Los Angeles San Gabriel. [the city of?] Comment
  RSA651670  Salvia columbariae Paul Currie 1969-4-13 23 Los Angeles East Fork region of San Gabriel River, San Gabriel Mountains. 610 Comment
  SEINET7972570  Salvia columbariae G. B. Grant, W. Wheeler 1904-5-7 1167 Los Angeles Glendora, southern California. Comment
  UCR205844  Salvia dorrii R. G. Swinney 2008-5-8 8812 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UC1124695  Salvia dorrii var. pilosa W. T. Murphy 1926-4-10 Los Angeles near Acton; Angeles Forest, Tujunga Quad. 822 Comment
  UCR23292  Salvia leucophylla Kate Kramer 1981-5-31 54 Los Angeles Malibu Beach 7.5' Q., Malibu Creek State Park. 2 mi west of Las Virgenes & Mulholland Hwy intersection on Mulholland Hwy 275 Comment
  CAS-BOT-BC233317  Salvia mellifera John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  RSA0080973  Salvia mellifera R. G. Swinney 2010-4-28 12401 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA434156  Salvia mellifera R. J. Tinkler 1969-7-12 s.n. Los Angeles Mullholland Drive, west of San Diego Freeway. Comment
  UCD125598  Salvia mellifera Kenneth R. Montgomery; Thomas W. Strid 1973-4-13 73- 8 Los Angeles on north facing slope at Dillon Divide, San Gabriel Mountains, California. Site of LASCA Cistus field plot. Comment
  RSA0041493  Salvia mellifera Ron Martinolich 1991-5-3 47 Los Angeles Glendale, Flint Peak access road, .5 mi. west of water tower, off road to southwest along old, overgrown road cut. 30 Comment
  RSA82396  Salvia spathacea F. W. Peirson 1920-5-8 1054 Los Angeles San Raphael Hills. 457 Comment
  RSA747355  Sambucus mexicana R. G. Swinney 2008-6-9 8955 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UC1211132  Sambucus mexicana Huron H. Smith 1912-5-26 5001 Los Angeles Avalon Canyon Santa Catalina Island 30 Comment
  UCR130830  Sambucus mexicana David Charlton 1989-4-7 2872 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  UCR179723  Sambucus mexicana R. G. Swinney, Dave Larson 1996-7-17 5142 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA0017027  Sambucus mexicana W. C. Merrill 1897-07 s.n. Los Angeles Los Angeles. Comment
  RSA470987  Sanicula arguta M. B. Dunkle 1932-5-28 2961 Los Angeles White s Landing, Santa Catalina Island. Comment
  UCR195294  Sanicula arguta Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1185 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, southeast of Green Verdugo Reservoir 457 Comment
  UCR280659  Sanicula crassicaulis R. G. Swinney 2014-5-21 16623 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
  POM183609  Sanicula crassicaulis Joseph A. Ewan 1929-5-25 3483 Los Angeles Ridge amove Providencio Rancho. Santa Monica Mountains. Comment
  RSA0085345  Sanicula crassicaulis Steven A. Junak 2001-5-3 SCa- 1473 Los Angeles Santa Catalina Island. N of Airport Road, in extreme upper portion of Swain's (Toyon) Canyon. 375 Comment
  RSA471115  Sarcodes sanguinea F. R. Fosberg 1931-8-11 s 5649 Los Angeles Pine Flats, N fork San Gabriel Canyon 1900 Comment
  UC188199  Satureja mimuloides G. L. M. 1915-7-24 437 Los Angeles 1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon Comment
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Sep 12 2013
  UCR142711  Satureja mimuloides Ian Swift 2001-11-4 354 Los Angeles Transverse Ranges; San Gabriel Mountains, Lower Moody Canyon 1073 Comment
  UCR55754  Schinus molle J. A. Adams 1966-6-10 244 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  CATA917  Schismus arabicus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1765 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UCSB33248  Schismus arabicus Partsch, M. 1977-5-14 Los Angeles Palmdale Blvd., 140th Street east 1066 Comment
  RSA795686  Schoenoplectus acutus W. R. Ferren, Hamilton 1993-9-1 EPA- 293 Los Angeles Santa Monica Mountains. Tapia County Park. Comment
  RSA602955  Schoenoplectus americanus Mark Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2482 Los Angeles Santa Catalina Island: Little Harbor. 3 Comment
  RSA366050  Schoenoplectus americanus F. R. Fosberg 1930-6-23 S- 2964 Los Angeles Del Rey. 0 Comment
  RSA365999  Schoenoplectus californicus Robert Gustafson 1981-4-29 2209 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA445376  Scutellaria tuberosa Helen M. Oster 1924-4-27 s.n. Los Angeles Foothills N, between Vermont and Western Ave- Los Angeles Comment
  CAS-BOT-BC240058  Secale cereale John H. Thomas 1957-5-17 6764 Los Angeles Occidental College Campus, Los Angeles. Near Moore Laboratory Comment
  POM222228  Secale cereale L. C. Wheeler 1936-6-21 4164 Los Angeles Palmer Canyon, San Gabriel Mts. 701 Comment
  RSA0081657  Sedum spathulifolium L. C. Wheeler 1948-6-13 6653 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon. 944 Comment
  SFV7532  Sedum spathulifolium T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1000 Los Angeles Santa Monica Mountains East side of Triunfo Canyon, Goat Buttes. 229 Comment
  POM946  Selaginella asprella Ivan M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canon 1753 Comment
  UCR217417  Selaginella bigelovii R. G. Swinney 2009-3-10 10071 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  POM18210  Selaginella bigelovii Philip A. Munz 1923-4-10 6726 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA612226  Selaginella bigelovii Louis Cutter Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  UC91479  Senecio astephanus Dr. A. Davidson Los Angeles Comment
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Nov 3 2006
  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
  POM241  Senecio flaccidus var. douglasii Fordyce Grinnell Jr., H. W. Grinnell 1906-9-6 s.n. Los Angeles Bank of Arroyo Seco, near Pasadena Comment
  RSA472961  Senecio flaccidus var. douglasii M. B. Dunkle 1940-9-4 s.n. Los Angeles Mill Creek. Comment
  RSA607923  Senecio flaccidus var. douglasii L. C. Wheeler 1961-6-13 7875 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA755995  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CAS-BOT-BC341203  Senecio lyonii Brandegee No date on label s.n. Los Angeles Santa Catalina Island Comment
  SEINET10846735  Setaria parviflora Scott D. White 2003-10-14 White 9834 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre. Los Angelis Dept of Public Works "Sierra Madre Villa" Debris Basin. Mt. Wilson. T1N R11W S18, NW1/4. 335 Comment
  RSA602635  Sherardia arvensis B. Pitzer 1996-4-28 2731 Los Angeles City of Long Beach, Bixby Park, on Junipero Avenue, 1 block E of the beach. Comment
  CATA2995  Sibara filifolia Peter J. Dixon 2015-2-27 027 Los Angeles Santa Catalina Island: Wild Boar Gully, south ridge population (Black Ridge). 160m north of terminus of Black Ridge rd. 560m south of Wild Boar Gully Rd. 222 Comment
  SEINET3155728  Silene antirrhina G. B. Grant 1904-5-5 1205 a Los Angeles Pasadena Comment
  CATA979  Silene gallica Mark L. Hoefs 1994-5-21 1848 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA526554  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4240 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA592360  Silene gallica Mark L. Hoefs 1974-3-28 417 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  CAS-BOT-BC387014  Silene gallica LeRoy Abrams 1901-4-3 1270 Los Angeles Santa Monica Mountains 228 Comment
  RSA545246  Silene gallica D. Propst, Mark Hoefs 1973-3-3 22 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  CAS-BOT-BC174901  Silene laciniata E. K. Balls; P. C. Everett 1959-6-29 23866 Los Angeles Stokes Canyon, Santa Monica Mts. 152 Comment
  CAS-BOT-BC174906  Silene laciniata R. C. Foster 1937-6-6 341 Los Angeles Cobal [Canon] Canyon, north of Claremont Comment
  RSA477936  Silene laciniata subsp. major A. M. Johnson 1934-5-4 4470 Los Angeles Santa Monica Mtns: Sepulveda Canyon, base of cliff, among shrubbery; not common Comment
  RSA65046  Silene lemmonii F. W. Peirson 1924-5-27 4624 Los Angeles north slope of Strawberry Peak, San Bernardino Mts. 1524 Comment
  POM82710  Silene multinervia P. A. Munz 1925-4-23 9462 a Los Angeles San Gabriel Canyon. 488 Comment
  CAS-BOT-BC175149  Silene verecunda Frank W. Peirson 1920-9-15 2284 Los Angeles San Gabriel Mts. Baldy, north slope Comment
  RSA529150  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd 1991-7-24 5635 Los Angeles San Gabriel Mountains, Granite Mountain: NNE slope 1902 Comment
  UCD115497  Sisymbrium altissimum Daryl Koutnik; Bruce Holguin 1978-4-1 210 Los Angeles Sierra Pelona Valley, west side of Anthony Road and north of Sierra Highway. 890 Comment
  RSA709955  Sisymbrium altissimum LeRoy Gross 2005-4-28 2149 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
  RSA708769  Sisymbrium irio Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1141 Los Angeles Mouth of McDonald Creek. 335 Comment
  UC1587734  Sisymbrium irio Tim Ross 1991-4-21 4504 Los Angeles near mouth of Turnbull Canyon (Whittier Hills (Puente Hills, pro parte) Turnbull Canyon drainage); Whittier Hills 153 Comment
  UCR216877  Sisymbrium irio R. G. Swinney 2009-3-13 10111 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  UCR258724  Sisymbrium irio R. G. Swinney 2010-2-27 11779 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
  RSA651180  Sisymbrium irio Dick Mosbarger 1948-1-16 s.n. Los Angeles Cal Poly Voorhis Campus, San Dimas. 245 Comment
  RSA651358  Sisymbrium irio Jim Kishi 1948-2-11 s.n. Los Angeles Located W. of Dalton Canyon at foot of mountain. Comment
  SBBG130710  Sisymbrium officinale S. A. Junak 2000-7-1 SCa 1374 Los Angeles Cape Cyn 265 Comment
  RSA0021958  Sisymbrium orientale Duncan S. Bell, Caitlin Elam 2013-6-24 5292 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA724770  Sisymbrium orientale K. Dobry 1991-6-13 d- 718 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  UCR207700  Sisymbrium orientale Justin M. Wood 2009-4-2 459 Los Angeles city of Claremont; Bernard Field Station, northwest corner of Mills Ave. and Foothill Blvd. 421 Comment
  UCR258555  Sisymbrium orientale R. G. Swinney 2010-5-29 13021 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR260333  Sisymbrium orientale R. G. Swinney 2010-5-4 12542 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
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  SEINET3876438  Sisyrinchium bellum Hannah Stevens, Daphne K. Christopher 2003-4-4 272 Los Angeles Santa Monica Mountains. Stunt Ranch Santa Monica Mountains Reserve. About 4.5 miles N of the city of Malibu.; 0 340 Comment
  CSUSB33  Sisyrinchium bellum Dean Jones 1966-4-3 Los Angeles Whittier Hills Whittier Hills just past end of Colima Road, in Whittier (city). 335 Comment
  RSA5890  Solanum americanum Carl B. Wolf 1932-9-16 4110 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  LA81977  Solanum douglasii O. H. Kappler; 1944-2-12 543 543543 Los Angeles 7 Comment
  POM62558  Solanum douglasii C. F. Baker 1903-8-2 3447 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA572117  Solanum douglasii M. B. Dunkle 1939-4-3 7225 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SBBG19137  Solanum douglasii M. A. Piehl 1963-12-8 631092 Los Angeles Cove Cyn 0.25 mi from mouth 9 Comment
  RSA613501  Solanum elaeagnifolium Louis C. Wheeler 1946-8-23 6229 Los Angeles Pomona: 861 Columbia Avenue. Comment
  RSA702559  Solanum umbelliferum Scott D. White 2004-5-10 10353 Los Angeles Liebre Mountains: North slope below Bald Mountain. 1098 Comment
  UC26269  Solanum umbelliferum H. M. Hall May 1902 3261 Los Angeles Sierra Santa Monica Comment
  UC26272  Solanum umbelliferum Brewer 207 Los Angeles San Fernando Comment
  UC884981  Solanum umbelliferum I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon 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
  UCR256209  Solanum umbelliferum R. G. Swinney 2010-3-22 12015 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
  RSA580952  Solanum umbelliferum Catherine A. Mish 1995-2-17 3 Los Angeles Santa Monica Mtns, Hollywood Reservoir. 250 Comment
  RSA60199  Solanum umbelliferum E. K. Balls, Lee W. Lenz 1950-3-28 14458 Los Angeles 3 miles north of Castaic, Hwy 99. 457 Comment
  RSA233642  Solanum wallacei Robert F. Thorne 1970-3-5 39358 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  SD143695  Solanum xanti Scott D. White 1997-5-22 5217 Los Angeles San Gabriel River Wash; Azusa; alluvial fan E and W of levee; between Foothill Blvd. crossing and San Gabr. Valley Gun Club. 182 Comment
  OBI28613  Solidago velutina subsp. californica J. & B. Semple, B. Semple 1981-8-14 5614 Los Angeles E of Kratken Ridge along crk Comment
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Sep 15 2014
  RSA234633  Sonchus oleraceus R. F. Thorne 1970-3-6 39408 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA355914  Sonchus oleraceus R. F. Thorne 1975-9-4 47386 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  LA209937  Sonchus oleraceus Norman A. Cole; May 1964 350 b Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  POM6198  Sonchus oleraceus N. R. Shaw 1900-6-11 s.n. Los Angeles Claremont. 365 Comment
  RSA482509  Sonchus oleraceus Richard Noyes, Laurel Arnseth 1988-4-30 494 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  UCR108666  Sorghum bicolor L. C. Wheeler 1942-11-30 5678 Los Angeles San Gabriel Valley, near Kellogg Ranch, Arroyo Avnue, c. 3 mi west of Pomona 305 Comment
  CAS-BOT-BC389953  Spergula arvensis Peter H. Raven 1959-4-4 13969 Los Angeles Santa Monica Mountains. Just behind point, Point Dume 15 Comment
  CAS-BOT-BC390327  Spergularia macrotheca var. macrotheca Le Roy Abrams 1901-4-1 1223 Los Angeles Ballona Harbor Comment
  SBBG37757  Spergularia macrotheca var. macrotheca R. Moran 1931-3-2 664 Los Angeles N side of rocks, at point between Wilson's and Howlands 10 Comment
  CAS-BOT-BC390806  Spergularia marina Rev. J. C. Nevin 1882-1-1 647 Los Angeles Santa Monica Comment
  SEINET181914  Sphaeralcea fasciculata Ira W. Clokey, B. Templeton 4553 Los Angeles Mandeville Canyon Santa Monica Mountains. 500 Comment
  UCSB52168  Sporobolus airoides Hodgson, John 1928-6-14 Los Angeles Peace Valley Comment
  LA82033  Stachys albens O. H. Kappler; 1940-6-9 50 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA583120  Stachys albens Joseph A. Ewan 1933-4-29 10819 Los Angeles Ballona marshes near Playa Del Ray. Comment
  UCR132946  Stachys albens Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR136832  Stachys albens 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
  RSA446635  Stachys bullata E. S. Spalding 1925-4-26 16014 Los Angeles Arroyo Seco Comment
  RSA446656  Stachys bullata Frances M. Morey 1922-5-15 s.n. Los Angeles Los Angeles. Comment
  RSA82980  Stanleya pinnata G. R. Campbell 1953-11-11 18725 Los Angeles Seedlings taken from Botanic Garden Nursery growing under prop 7060, seed collected 10/01/49 by E C Jaeger in small canyon West of Palms to Pines Hwy, Santa Rosa Mts Comment
  SBBG108969  Stebbinsoseris heterocarpa S. A. Junak 1997-4-8 SCl 790 Los Angeles just N of upper portion of Wall Rock Cyn 310 Comment
  CATA2963  Stellaria media Amy Catalano 2016-1-22 004 Los Angeles Santa Catalina Island: Island Fire, ca. 200 m southeast of Laura Stein Volunteer Camp, in small side drainage 333 Comment
  RSA478171  Stellaria media Donald R. Bissing 1973-3-13 16 Los Angeles Evey Canyon, San Gabriel Mountains, 0.2 mile from mouth of canyon. 716 Comment
  SBBG96994  Stellaria media S. Boyd with T. Ross, L. Arnseth 1990-4-8 4393 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA650311  Stellaria media A. E. Hersh 1950-7-12 s.n. Los Angeles 4111 Wade St., Venice. 30 Comment
  RSA547486  Stephanomeria cichoriacea Timothy S. Ross, Orlando Mistretta 1992-7-24 6758 Los Angeles 86 degrees ENE, 1100 m distant from Strawberry Peak summit Comment
  LA202760  Stephanomeria diegensis Barry A. Prigge; 2011-10-20 16131 Los Angeles Santa Monica Mountains, Mt Bell, Griffith Park, Mt Hollywood Trail ca 70 m E (upslope) of junction with Vista del Valle Dr Comment
  RSA474200  Stephanomeria exigua subsp. coronaria F. R. Fosberg 1930-6-23 2945 Los Angeles Del Rey. 1 Comment
  POM158120  Stephanomeria exigua subsp. exigua L. R. Abrams 1902-8-25 2979 Los Angeles Inglewood. Comment
  POM153307  Stephanomeria pauciflora var. pauciflora P. A. Munz, I. M. Johnston 1928-9-4 11176 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  RSA594306  Stephanomeria virgata subsp. virgata Steve Boyd, Lauren Raz 1996-10-14 9038 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
  UCR271303  Stephanomeria virgata subsp. virgata R. G. Swinney 2011-10-10 15755 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
  RSA0055950  Stipa lepida Richard G. Swinney 2010-4-30 12471 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway. 549 Comment
  UC1922749  Stipa lepida Valerie Soza, L. Moore 2000-5-10 840 Los Angeles Transverse Ranges: 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 579 Comment
  UCR13479  Stipa pulchra O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  UCR214591  Stipa pulchra A. C. Sanders, Dan S. Cooper 2010-4-30 38118 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR163446  Stipa speciosa B. G. Pitzer 1998-5-12 3714 Los Angeles Western Mojave Desert, Hwy 138 (Palmdale Hwy), c. 1 mi. west of the San Bernardino County line 1171 Comment
  UCR222831  Stipa speciosa R. G. Swinney 2009-4-29 10589 Los Angeles