Search Results — 2000 specimen records retrieved (1565 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  SEINET3869605  Abies concolor Tim Thibault, K. E. Olshewsky 2004-5-23 296 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Williamson.; 0 2073 Comment
  RSA114406  Abies concolor G. R. Campbell 1954-12-8 20517 Los Angeles Botanic Garden nursery seedlings, Prop. No. 787, from coll. by E.K. Balls, Sept. 27, 1954, Hwy 18, 6 mi. e. of Running Springs towards Big Bear Lake, San Bernardino Mts., San Bernardino County. Comment
  RSA460920  Abronia maritima E. S. Spalding 1931-7-3 s.n. Los Angeles Manhattan Beach. Comment
  RSA20227  Abronia pogonantha Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9495 Los Angeles Highway between Adelanto and Lancaster. Comment
  CAS-BOT-BC228591  Abronia umbellata Jeremiah George 2012-3-12 s.n. Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue 11 Comment
  RSA460981  Abronia umbellata Robert Gustafson 1980-7-9 1787 Los Angeles Ballona Wetlands, Area 1, coastal strand along the western boundary of Area 1 Comment
  UCR152481  Acacia cyclops A. C. Sanders, Lee Jones 2005-4-8 29367 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR280671  Acamptopappus sphaerocephalus var. sphaerocephalus R. G. Swinney 2014-4-10 16039 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA394183  Acer macrophyllum Ora M. Clark 1928-10-14 1957 Los Angeles San Antonio River, S. of Camp Baldy, San Antonio Mts. Comment
Read comments
Mar 31 2014
  RSA696442  Acer macrophyllum J. Vlahos 1934-5-20 s.n. Los Angeles Beyond Camp Angeles. 1677 Comment
  SEINET3195250 Image available Acer macrophyllum Nancy Stub 1968-5-14 42 Los Angeles Waterman Canyon above highway crossing to Lake Arrowhead; San Bernardino mt. range 980 Comment
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Sep 3 2013
  UCR4151  Acer macrophyllum R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  RSA0051231  Acer macrophyllum James R. Shevock 1976-4-24 5020 Los Angeles San Gabriel Mountains, Angeles National Forest. 1386 Comment
  RSA639238  Achillea millefolium R. F. Thorne, M. Z. Thorne 1971-4-25 41351 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  SD30730  Achillea millefolium Frances Post 1931-5-13 Los Angeles Santa Susanna Pass [county a guess; possibly SLO county] Comment
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Jul 11 2010
  UCD55550  Achnatherum occidentale Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: spring on north side of Blue Ridge by Guffy Camp. Comment
  RSA651599  Achnatherum speciosum Marion P. Harthill 1974-4-22 1671 Los Angeles Mojave Hwy. & N4. Comment
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Jan 4 2012
  SDSU19671  Acmispon argophyllus var. adsurgens Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2203 A Los Angeles San Clemente Island, north of Guds, at south end of island. 235 Comment
  SD52979  Acmispon argophyllus var. argenteus Peter H. Raven 1962-5-20 17777 Los Angeles Santa Catalina Island: near Bird Park, Avalon. Comment
  LA48003  Acmispon dendroideus var. dendroideus F. R. Fosberg; 1932-5-6 8115 Los Angeles Santa Catalina Island, ridge above Villa Park, Avalon 60.0 Comment
  SD21286  Acmispon dendroideus var. dendroideus Norman E. Bilderback 1938-4-17 Los Angeles Catalina, Avalon Comment
  SBBG48358  Acmispon maritimus var. maritimus M. R. Benedict 1967-4-4 Los Angeles N side of Pacific Coast Hwy, 0.25 mi E of Encinal Cyn Rd Comment
  CATA446  Acmispon micranthus Sara L. Crockett 1997-3-17 586 Los Angeles Santa Catalina Island: 0.25 mile NE on Cape Canyon Road from jct. with Middle Canyon Road, W side of road, on SE-trending dry ridge 251 Comment
  SBBG113117  Acmispon micranthus S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 353 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  LA200147  Acourtia microcephala Carl Epling; Nesta Hutchinson 1931-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCD150959  Acourtia microcephala D. S. Park 2010-4-26 44 Los Angeles Ranch Santa Ana Botanic Garden 381 Comment
  CAS-BOT-BC133174  Adenostoma fasciculatum Geo. L. Moxley 1927-5-1 2035 Los Angeles Wash at La Crescenta Comment
  CAS-BOT-BC133186  Adenostoma fasciculatum L. R. Abrams 1908-7-5 140 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  SEINET2442363  Adenostoma fasciculatum Bradley J Kayl, Jon ; Deren ; John 1994-5-12 37 Los Angeles Santa Monica Mtns. Tapia park. Malibu. Comment
  UC440465  Adenostoma fasciculatum Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Santa Monica Mts., Topango Canyon Comment
  RSA527744  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4310 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA624983  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1963-6-25 8262 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  SD81711  Adiantum aleuticum Louis C. Wheeler 1931-7-3 Los Angeles Fern Canyon, San Antonio Mountains 915 Comment
  CHSC118947  Adiantum capillus-veneris Duncan S. Bell; Caitlin Elam 2013-6-24 5267 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  POM876  Adiantum capillus-veneris Anonymous 4 Los Angeles San Antonio Canyon, north of Claremont. Comment
  POM199761  Adiantum jordanii I. W. Clokey, B. Templeton 1929-05 4538 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA687720  Adiantum jordanii B. C. Templeton 1968-2-25 11384 Los Angeles North slope of bank near the bottom of a canyon. Near the Isthmus, Santa Catalina Is. Comment
  RSA687689  Adiantum jordanii May N. Ackley 1938-5-28 433 Los Angeles Elizabeth Lake Canyon Comment
  SEINET4556463 Image available Adiantum jordanii George B. Grant 1901-1 3924 Los Angeles Pasadena, Pacific Coast Comment
  RSA703505  Ageratina adenophora Scott D. White 2004-9-3 10746 Los Angeles San Gabriel Mountains: Grizzly Flat,' ca. 1 air mile N of Angeles Crest Hwy and ca. 1 air mi S of Big Tujunga Cyn. Rd. 732 Comment
  UCR231791  Ageratina adenophora Darren T. Hasegawa 2007-4-21 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCR259371  Ageratina adenophora R. G. Swinney 2010-8-26 13590 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  CDA6747  Ageratina adenophora H. Daniels, Foster 1952-2-1 Los Angeles Griffith Park, Los Angeles. 0 Comment
  RSA609122  Ageratina adenophora Louis C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mountains: Water Canyon. 518 Comment
  UCR186982  Agoseris heterophylla A. C. Sanders 2006-4-10 32003 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  CAS-BOT-BC14787  Agoseris retrorsa Wesley O. Griesel 1962-5-1 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mountains 914 Comment
  RSA233457  Agoseris retrorsa R. F. Thorne, M. Z. Thorne 1968-11-9 37861 Los Angeles Angeles National Forest On summit crest of Mt. Williamson. 2499 Comment
  UCR194188  Agoseris retrorsa R. G. Swinney 1998-7-29 6544 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  UCR272607  Agoseris retrorsa R. G. Swinney 2011-6-7 15057 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  LA98904  Agrostis exarata John O'Leary; 1979-5-23 sn Los Angeles SANTA MONICA MOUNTAINS, near Zuma Motorway, ca 1.75 mi N of Zuma Beach. 266 Comment
  UCR194164  Agrostis exarata R. G. Swinney 1998-7-29 6548 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
Read comments
May 11 2012
  CAS-BOT-BC139050  Agrostis pallens Carl B. Wolf 1932-5-14 3634 Los Angeles Santa Catalina Island. Avalon. Above teh Amphitheatre. 60 Comment
  RSA384937  Agrostis stolonifera Anstruther Davidson 1916-06 3158 Los Angeles Alhambra. Comment
  RSA764419  Ailanthus altissima Justin M. Wood 2009-8-18 1248 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA632450  Allium fimbriatum var. fimbriatum L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent 991 Comment
  LA21559  Allium haematochiton Carl Epling; 1931-4-25 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  JEPS519  Allium monticola Frank W. Peirson 1918-6-17 267 Los Angeles Head of Rock Cr, Rock Cr. 1981 Comment
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Oct 16 2006
  UC119954  Allium praecox T. S. Brandegee 1893-5-21 Los Angeles Santa Catalina Island Comment
  RSA410055  Allophyllum divaricatum Anstruther Davidson 1889-08 1945 Los Angeles Los Angeles. Comment
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Dec 21 2020
  UCR259156  Allophyllum divaricatum R. G. Swinney 2010-8-30 13611 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  UC55345  Allophyllum glutinosum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  RSA135189  Allophyllum glutinosum P. H. Raven 1960-5-15 15352 Los Angeles Junction of Piuma Road with Rambla Pacifica Road. 564 Comment
  RSA0085603  Alnus rhombifolia R. G. Swinney 2010-8-26 13585 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  RSA0112770  Alnus rhombifolia R. G. Swinney 2011-3-29 14243 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Freeway. N-side of river channel. 366 Comment
  RSA452788  Alnus rhombifolia F. R. Fosberg 1931-1-26 7174 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SEINET12872858  Alnus rhombifolia Unknown 2011-10-25 15859 Los Angeles San Gabriel Mountains Comment
  LA31598  Amaranthus albus Peter H. Raven; Henry J. Thompson 1959-6-4 14330 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA562691  Amaranthus albus D. Charlton, Lew Heide 1991-9-19 5614 Los Angeles Piute Ponds, freshwater marsh between Rosamond and Lancaster. 762 Comment
  RSA766851  Amaranthus blitoides Justin M. Wood 2009-8-18 1245 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA5215  Amaranthus hybridus C. B. Wolf 1932-9-13 4070 ` Los Angeles Bryant Ranch near middle of S boundary of SE 1/4 sect 27., [50 ft. N & 1/4 mi: (less 100 ft.) W of SE corner of SE 1/4 sect 27 T4S R12 W] 5 Comment
  UCR138517  Amaranthus retroflexus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  RSA127813  Amaranthus retroflexus P. H. Raven, Henry J. Thompson 1959-9-18 s.n. Los Angeles Weed about plantings, campus of the University of California, West Los Angeles 130 Comment
  SD90451  Amblyopappus pusillus Robert F. Thorne 1973-4-11 42885 Los Angeles San Clemente Island; plateau near Cutlass above old dam. 199 Comment
  RSA596205  Ambrosia acanthicarpa Lauren Raz, Steve Boyd 1996-10-23 016 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  SBBG95602  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles Mosquito Harbor Comment
  UC53916  Ambrosia chamissonis Ernest Braunton 1902-5-1 311 Los Angeles Redondo Comment
  CAS-BOT-BC55552  Ambrosia psilostachya Lewis S. Rose 1966-12-24 66115 Los Angeles Westwood Village 121 Comment
  RSA416985  Ambrosia psilostachya F. R. Fosberg 1930-6-23 s- 2959 Los Angeles Del Rey 2 Comment
  RSA550708  Ambrosia psilostachya Timothy S. Ross, Annette Ross 1991-7-29 5692 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA641682  Amelanchier utahensis Orlando Mistretta 1993-6-2 849 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2043 Comment
  UCR150542  Amelanchier utahensis R. G. Swinney 1999-6-21 7386 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  CAS-BOT-BC180602  Amorpha californica var. californica Geo. B. Grant 1904-5-19 6239 Los Angeles Mt. Wilson 1219 Comment
  CAS-BOT-BC180638  Amorpha californica var. californica Timothy S. Ross; Steve Boyd 1994-6-22 8014 Los Angeles 0.5 road mi W of Lake Hughes Road along Forest Service road 6N32, Warm Springs Canyon - Liebre Mountains 658 Comment
  RSA91339  Amorpha californica var. californica Joseph A. Ewan 1932-6-12 7370 Los Angeles San Gabriel Mountains: 1 mi above North Fork Camp, N.F. Tujunga Creek. 976 Comment
  UC1061786  Amsinckia douglasiana A. D. Gifford 1935-2-7 422 Los Angeles mouth of Elizabeth Lake Canyon 365 Comment
  CAS-BOT-BC26870  Amsinckia exserta Alice Eastwood 1906-5-27 56 Los Angeles country adjacent to Los Angeles. Garvanza Comment
  UC306215  Amsinckia intermedia I. Johnston 1918-4-11 1833 Los Angeles s of Glendora; Love Hill Comment
Read comments
Apr 7 2014
  RSA0079967  Amsinckia intermedia P. H. Raven 1962-4-11 17261 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  SEINET13710411  Amsinckia intermedia J. Adams, J. Adams (Botany) 1965-1 67 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  UCR261879  Amsinckia retrorsa Tim Thomas 2014-5-4 6287 Los Angeles Mojave Desert, Antelope Valley, 2.6 miles north of Neenach, just east of aqueduct just south of Ave A 884 Comment
  RSA0039061  Amsinckia tessellata R. G. Swinney 2010-5-11 12651 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA774262  Amsinckia tessellata R. G. Swinney 2009-5-5 10647 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  RSA0091447  Amsinckia tessellata var. tessellata Steve Boyd, Lauren Raz 1997-3-26 9332 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  HSC17840  Anagallis arvensis C. S. Apperson 21 Jun [year missing] Los Angeles Newhall Ranger Station Comment
  UC1922237  Anagallis arvensis Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 886 Los Angeles Verdugo Mountains; northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  SBBG63205  Ancistrocarphus filagineus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  CHSC100182  Andropogon glomeratus var. scabriglumis John Dittes; Josephine Guardino 2006-12-11 1439 Los Angeles Western Tranverse Ranges; San Gabriel Mountains; Big Tujunga Canyon; ca.1.8 air miles SW of Big Tujunga Dam, ca. 1.6 air miles NE of Mt. Lukens, ca. 0.9 air mile SE of Big Tujunga USFS Station; on active floodplain at edge of Big Tujunga Creek. Also observed on seep along the road to Vogel Flats, and at scattered moist sites along north edge of Big Tujunga Canyon Road to the west. 598 Comment
  SBBG31338  Anthemis cotula R. F. Thorne with P. C. Everett 1965-6-23 34961 Los Angeles Middle Ranch, in pasture near barn Comment
  UCR258919  Anthriscus caucalis R. G. Swinney 2010-5-7 12619 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
  RSA762127  Anthriscus caucalis Orlando Mistretta, Christine Mistretta 2008-5-16 3079 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 108 per TRTP Survey 2008), Van Tassel Motorway, Fish Canyon drainage 1100 Comment
  CHSC95848  Antirrhinum coulterianum LeRoy Gross; Laura Moore 2000-6-5 228 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA0116124  Antirrhinum coulterianum R. G. Swinney 2010-6-1 13166 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
  SEINET13203126 Image available Antirrhinum coulterianum R. G. Swinney 2010-1 12318 Los Angeles San Gabriel Mountains: north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream (San Fernando 7.5' Q.) (T3N R15W S23 ?) 549 Comment
  RSA371543  Antirrhinum coulterianum David M. Thompson 1983-8-1 309 Los Angeles Sand Canyon Road. On 1982 USFS prescribed burn on very steep slope of brush-covered hill directly across Sand Canyon Road from Live Oak Picnic Area. 640 Comment
  SEINET3158874  Antirrhinum coulterianum G. B. Grant 1904-7-1 49 Los Angeles Covina. Southern California only Comment
  JEPS5280  Antirrhinum kelloggii F. W. Peirson 1918-6-4 189 Los Angeles just ne Altadena (foothills e of Rubio Canyon); Angeles National Forest 609 Comment
  RSA732930  Antirrhinum kelloggii R. G. Swinney 2000-5-21 7770 Los Angeles NE of Azusa, Rincon Canyon, c. 300 m SW of Rincon Rd. entrance and Hwy 39, on plateau W of Rincon Rd. 549 Comment
  UCR281611  Antirrhinum kelloggii R. G. Swinney 2014-5-21 16644 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA580188  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1994-5-25 7919 Los Angeles Warm Springs Mountain: ca 450 m NW of summit. 1140 Comment
  UCR27414  Antirrhinum multiflorum John C. Roos 1947-5-17 3636 Los Angeles Placerita Canyon, east of Newhall Comment
  CATA2997  Aphanisma blitoides Peter J. Dixon 2015-3-3 030 Los Angeles Santa Catalina Island: Shark Harbor near Cheep Chute Road, 560 m East of the beach 67 Comment
  POM18427  Aphanisma blitoides P. A. Munz 1923-4-11 6774 Los Angeles San Clemente Island: low shore on west coast. 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
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 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
  UC1302312  Aptenia cordifolia Robert F. Thorne and P. C. Everett 1964-2-7 33454 Los Angeles at lower end of Pebbly Beach Canyon (at base of building, e end of Santa Catalina Island); Santa Catalina Island, Pebbly Beach Canyon 76 Comment
  RSA66505  Arabis glabra F. W. Peirson 1903-3-10 658 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  LA210046  Arabis glabra var. glabra Martha Hilend; 1951-3-5 Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  RSA0126173  Arabis glabra var. glabra Louis C. Wheeler 1931-3-30 s.n. Los Angeles Edge of San Gabriel Mts. foothills ca 0.5 mi. NE Webb School, La Verne Quad. 411 Comment
  SD230158  Aralia californica Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: Alder Gulch. Open north-facing ravine with permanent stream. 1584 Comment
  SEINET10532881  Araucaria bidwillii David B. Dunn 1939-10-25 Dunn UMO 46542 Los Angeles Cultivated tree near Colorado Blvd and Orange, Pasadena, California. Comment
  RSA0060473  Araujia sericifera R. G. Swinney 2010-8-16 13538 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  POM9794  Arceuthobium occidentale Philip A. Munz 1921-4-24 4423 Los Angeles Sandbergs, Ridge Road. 1524 Comment
  RSA725590  Arctostaphylos catalinae Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 410 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  RSA748598  Arctostaphylos gabrielensis Justin M. Wood 2009-6-1 800 Los Angeles San Gabriel Mountans: Mill Creek Summit, Heliport just SE of ranger station on Pacifico Mountain Rd (3N17.4). 1582 Comment
  CAS-BOT-BC24911  Arctostaphylos glandulosa subsp. adamsii John Thomas Howell 1942-10-19 17872 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  UCR277400  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2010-8-23 13573 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  POM367278  Arctostaphylos glandulosa subsp. mollis Geo L. Moxley 1919-9-1 713 Los Angeles Ridge 1/2 mile north of Mt. Hollywood, Griffith Park. Comment
  RSA276023  Arctostaphylos glandulosa subsp. mollis Jack Delaini 1974-2-27 45 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. On NE- facing slope 899 Comment
  RSA3278A  Arctostaphylos glandulosa subsp. mollis George B. Grant 1904-07 s.n. Los Angeles Mt. Wilson Comment
  RSA626673  Arctostaphylos glandulosa subsp. mollis Allen Massihi, Jon E. Keeley 1992-7-27 15782 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Rd. San Gabriel Mtns. 1000 Comment
  RSA639177  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1967-5-15 9553 Los Angeles Fremont pass, north side 541 Comment
  RSA609268  Arctostaphylos glauca L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA631535  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16051 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  RSA631651  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20187 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  RSA631654  Arctostaphylos glauca H. Packard 1937-11-18 2933 Los Angeles Angeles Crest Highway. Comment
  UCR41026  Arctostaphylos glauca R. J. Rodin 1953-5-17 5831 Los Angeles Western Transverse Range, near main highway c. 3 mi south of Gorman Comment
  CAS-BOT-BC46727  Arctostaphylos parryana Frank W. Peirson 1942-10-15 13434 Los Angeles Carleton Flats. San Gabriel Mts. Hill top in camp. Comment
  RSA157966  Arctostaphylos parryana Marcus E. Jones 1927-8-1 s.n. Los Angeles San Gabriel Mountains. Swartout [Swarthout] Valley. Comment
  RSA634336  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22127 Los Angeles Campground below Mt. Baldy ski lift, San Gabriel Mtns. 1880 Comment
  RSA634693  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20341 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634732  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20563 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634749  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20597 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634903  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20293 Los Angeles Road to Mt. Gleason, 1 km west of Mill Creek Summit, San Gabriel Mtns. 1550 Comment
  RSA635068  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20568 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA635081  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20373 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635084  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20368 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA250396  Arctostaphylos patula R. F. Thorne 1967-10-3 37292 Los Angeles Mt. Baden Powell, just south of peak 2851 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
  UCR202708  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  UCR147281  Arenaria macradenia Orlando Mistretta 1992-8-20 772 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  UCR182742  Arenaria macradenia R. G. Swinney 1997-7-16 5657 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR124675  Argemone munita B. C. Templeton 1933-7-21 5017 Los Angeles San Gabriel Mountains, between Prairie Forks and Big Pines Camp 2092 Comment
  UCSB2121  Argemone munita Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. Comment
  UCR232926  Argyranthemum foeniculaceum R. E. Riefner Jr. 2011-8-19 11- 103 Los Angeles Palos Verdes Peninsula, Malaga Cove, north c. 0.2 mi from Paseo del Mar Street at Palos Verdes Drive West 90 Comment
  SBBG131501  Aristida adscensionis S. A. Junak 1999-7-15 SCa 1024 Los Angeles Salta Verde Beach , just E of S-facing bluffs/rock face 6 Comment
  CAS-BOT-BC137516  Aristida purpurea var. purpurea Louis C. Wheeler 1934-4-15 2525 Los Angeles San Gabriel Mountains. Liveoak Canyon. 487 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
  LA32097  Artemisia californica Peter H. Raven; 1959-2-15 13782 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  RSA535723  Artemisia californica Timothy S. Ross 1991-5-22 5464 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 79 Comment
  RSA628372  Artemisia californica Steven A. Junak 1997-10-20 SC 1 -968 Los Angeles San Clemente Island: E side of island, on coastal slopes just S of southernmost canyon in Bryce Canyon complex. 55 Comment
  IRVC27954  Artemisia douglasiana A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27145 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  UC892586  Artemisia douglasiana Ira W. Clokey, B. Templeton 1929-6-1 4594 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 200 Comment
  UCR258829  Artemisia douglasiana R. G. Swinney 2010-4-23 12343 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  LA32899  Artemisia dracunculus Peter H. Raven; Henry J. Thompson 1959-10-18 14680 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  POM249898  Artemisia dracunculus Gaines 1939-08 s.n. Los Angeles Near U.C.L.A. Campus, Westwood. 591 Comment
  RSA774798  Artemisia ludoviciana R. G. Swinney 2009-7-23 11394 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SD66835  Artemisia nesiotica R. Mitchel Beauchamp 1967-3-17 246 Los Angeles San Clemente Island; on slope east of Wilson Cove. Comment
  UC1971226  Artemisia tridentata Louis C. Wheeler 1956-9-16 7239 Los Angeles SAN GABRIEL MOUNTAINS: Guffy Camp, Blue Ridge Comment
  RSA562694  Artemisia tridentata subsp. parishii D. Charlton 1989-9-15 4148 b Los Angeles Plant 42, east of Palmdale 762 Comment
  SEINET10800380 Image available Artemisia tridentata subsp. parishii Samuel B. Parish, W. F. Parish Parish 1065 Los Angeles Newhall. San Bernardino. Comment
  SBBG12204  Arthrocnemum subterminale P. H. Raven 1962-7-12 Los Angeles just W of North Head 6 Comment
  SBBG13427  Arthrocnemum subterminale E. R. Blakley 1962-6-10 5221 Los Angeles Wilson Cove 6 Comment
  RSA592138  Asclepias californica L. C. Wheeler 1967-4-30 9210 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 396 Comment
  SBBG27172  Asclepias fascicularis V. Duran 1933-8-11 3547 Los Angeles South Fk Big Rock Crk 1524 Comment
  UCR125271  Asclepias fascicularis A. C. Sanders, Mark Elvin 2002-6-18 25118 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR281614  Asclepias fascicularis R. G. Swinney 2014-5-27 16687 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  JEPS26573  Asclepias vestita Peter Kamb 1948-5-6 959 b Los Angeles desert foothills of the San Gabriel Mts above Little Rock 975 Comment
Read comments
Aug 15 2013
  RSA0040540  Aspidotis californica Orlando Mistretta 1990-4-15 s.n. Los Angeles Fish Canyon, tributary to the San Gabriel River 336 Comment
  POM307090  Aspidotis californica Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1965 Los Angeles Eaton Canyon, Altadena. Comment
  UCR201832  Aster greatae Scott D. White, Chris Huntley 2008-9-30 12546 Los Angeles San Gabriel Mountains, San Gabriel River, west fork between Bear Creek and Cogswell Dam 610 Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  UCR95756  Aster greatae Lauren Raz, Steve Boyd 1996-10-23 063 Los Angeles Liebre Mtns, Cienega Campground, c. 4 mi. from saddle between Warm Springs and Fish Canyon 670 Comment
  UC1929527  Astragalus bicristatus Valerie Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Transverse Ranges; San Gabriel Mountains region; Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06; Mount San Antonio quad.; T3N R7W S18, SW/4; UTM 3800050N, 0439579E; elev. 8300 ft 2530 Comment
  RSA415471  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  UCR96150  Astragalus gambelianus B. G. Pitzer 1996-4-21 2718 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
  POM2582  Astragalus gambelianus W. R. Shaw 1900-4-8 31 Los Angeles Claremont. Comment
  UCR94468  Astragalus miguelensis F. H. Elmore 1939-11-24 s.n. Los Angeles Channel Islands, San Clemente Island, Northwest Harbor 30 Comment
  SD41982  Astragalus pachypus var. pachypus Darley F. Howe 1947-5-5 1529 Los Angeles East of Littlerock. Comment
  CAS-BOT-BC193087  Astragalus pycnostachyus var. lanosissimus L. R. Abrams 1901-8-1 2184 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC194033  Astragalus trichopodus var. lonchus Ernest Braunton 1903-3-1 874 Los Angeles Playa del Rey Comment
  LA200439  Astragalus trichopodus var. lonchus Carl Epling; L. Ellison 1930-3-28 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  LA33944  Astragalus trichopodus var. lonchus Peter H. Raven; 1959-3-15 13857 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  UCD170730  Astragalus trichopodus var. phoxus A. C. Sanders 2005-5-5 29875 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  CAS-BOT-BC17502  Athysanus pusillus Robert F. Thorne; Reed Rollins; D. Propst; R. Carolin 1967-3-18 36749 Los Angeles Santa Catalina Island. Lower end of Bulrush Canyon. 182 Comment
  SD240970  Atriplex Jeremiah George, Audrey George 2012-1-1 Los Angeles South Coast: Palos Verdes Estates, Malaga Cove immediately SW of the Palos Verdes Beach and Athletic Club (Redondo Beach 7.5'Q) 4 Comment
  RSA4810  Atriplex James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  UC205347  Atriplex argentea var. mohavensis Ernest Braunton July 1901 138 Los Angeles Los Angeles Los Angeles (waste ground) Comment
  RSA452398  Atriplex californica G. J. Hoffenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades Comment
  SBBG65413  Atriplex canescens R. Hoffmann 1928-7-9 Los Angeles near "Robbins Cyn", Antelope Valley Comment
  UCR265465  Atriplex coronata Jordan Zylstra 2015-6-5 15005 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  CATA3367  Atriplex coulteri Peter J. Dixon 2016-3-13 041 Los Angeles Santa Catalina Island: SW slope of Banning Mountain, 550 m west southwest of summit 393 Comment
  SD69367  Atriplex coulteri Robert F. Thorne, P. Everett 1965-5-11 34645 Los Angeles Santa Catalina Island; along road from Rancho Escondido above Cottonwood Dam in Cottonwood Canyon. 105 Comment
  POM244910  Atriplex lentiformis F. R. Fosberg 1931-5-18 4894 Los Angeles Santa Catalina Island, Little Harbor 2 Comment
  UC557719  Atriplex lentiformis subsp. lentiformis Nell Murbarger April, 1936 153 Los Angeles near ocean in ravine s side San Clemente Island; s side San Clemente Island, near ocean Comment
  UC7095  Atriplex lentiformis subsp. lentiformis Dr. H. E. Hasse Sept. 1895 Los Angeles Santa Monica Comment
  UCR65212  Atriplex leucophylla F. R. Fosberg 1931-5-18 S- 4894 Los Angeles Channel Islands, Santa Catalina Island, Little Harbor 4 Comment
  LA210080  Atriplex nummularia Philip A. Munz; 1932-8-31 12817 Los Angeles Playa del Rey Comment
  SEINET4135318  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey.; 0 8 Comment
  UCR95365  Atriplex polycarpa Steve Boyd, Lauren Raz 1996-10-8 9020 Los Angeles Liebre Mountains, Bouquet Canyon, south of Vazquez Canyon and NW of Cruzan Mesa, along Vazquez Canyon Road, c. 0.9 mi east of jct with Bouquet Canyon Road 524 Comment
  RSA535296  Atriplex semibaccata T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5344 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  UCR65238  Atriplex semibaccata F. R. Fosberg 1931-3-26 S- 04396 Los Angeles Santa Catalina Island, Hillside above St. Catherine Hotel. 10 Comment
  RSA453952  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Redondo Beach. Comment
  RSA478427  Atriplex serenana E. S. Spalding 1923-6-28 s.n. Los Angeles Pt. Fermin. Comment
  CAS-BOT-BC176744  Atriplex serenana var. serenana A. D. E. Elmer 1902-6-1 3984 Los Angeles Lancaster Comment
  RSA65346  Atriplex watsonii F. W. Peirson 1923-4-11 3462 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  SBBG109024  Atriplex watsonii S. A. Junak 1996-5-17 SCl 479 Los Angeles NE end of island, just E of intersection of Perimeter Rd and rd to Dolphin Bay, near SE end of airfield runways 60 Comment
  RSA0055781  Avena barbata R. G. Swinney 2010-4-28 12428 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA347553  Avena barbata B. A. Prigge 1986-3-20 8971 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  SBBG131924  Avena barbata S. A. Junak 2000-6-29 SCa 1341 Los Angeles Bird Rock, just E of High Point, N side of Opuntia patch 12 Comment
  RSA659130  Avena fatua LeRoy Gross 2001-3-31 365 Los Angeles Los Angeles Basin: Verdugo Mountains region: South side: At end of Olive Ave, parked on Via Montana, in city of Burbank. Follow an old road that is overgrown so that a faint trail is all that is left of this road., The old road goes up to the main crest with Sunset Canyon to the west and Story Canyon on the east. 396 Comment
  RSA726012  Avena fatua A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26142 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  CDA1753  Axonopus fissifolius G. C. Fleischman 1954-11-2 Los Angeles Joseph A. Geohegan, 147 Annandale Rd., Pasadena. 0 Comment
  UC812938  Azolla filiculoides P. A. Munz May 1921 4554 Los Angeles hills s of San Dimas Comment
  LA203048  Baccharis glutinosa W. O. Griesel; Lee Haines 1935-10-20 sn Los Angeles Bouquet Canyon 761 Comment
  RSA657104  Baccharis plummerae subsp. plummerae Carl Wishner 2000-10-13 3951 Los Angeles Santa Monica Mountains, Solstice Canyon [Park], south of the creek from picnic area / parking lot. 58 Comment
  CAS-BOT-BC106755  Baccharis salicifolia Geo. B. Grant 1902-5-1 97 Los Angeles Los Angeles So. Cal. Comment
  CAS-BOT-BC98169  Baccharis salicifolia Le Roy Abrams; E. A. McGregor 1908-7-2 557 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1188 Comment
  CHSC95342  Baccharis salicifolia LeRoy Gross 2002-3-7 489 Los Angeles Los Angeles Basin; Verdugo Mountains Region: North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. south of 210 Freeway. Side canyon off of La Tuna Canyon. 579 Comment
  CHSC99215  Baccharis salicifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1418 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
  UC472188  Baccharis salicifolia subsp. salicifolia C. F. Millspaugh 1920-1-2 4507 Los Angeles Avalon Santa Catalina Island Comment
  UCR128004  Baccharis salicina Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  LA202570  Barbarea orthoceras Peter H. Raven; David S. Verity 1960-5-7 15331 Los Angeles 335 Comment
  RSA650240  Beloperone guttata George Maruko 1948-2-25 16 Los Angeles 4th Ave & 29th St. Los [Angeles] Comment
  UC987823  Berberis nevinii Reid Moran 1941-5-17 865 Los Angeles e San Fernando; San Fernando Valley Comment
  UCR159958  Berberis nevinii Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 651 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mtns, S side: Cobal Canyon, Claremont Hills Wilderness Park, west of fire road up Cobal Canyon, above junct of Burbank and Cobal canyons 518 Comment
  LA94287  Berberis pinnata subsp. pinnata Peter H. Raven; David S. Verity 1960-5-7 15341 Los Angeles Santa Monica Mountains, ca 1 mi. SW of Seminole Hot Springs 335 Comment
  LA94375  Beta vulgaris Peter H. Raven; Henry J. Thompson 1959-9-6 14387 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 12 Comment
  CAS-BOT-BC102039  Bidens laevis George B. Grant 1904-1-1 s.n. Los Angeles Ballona Comment
  PASA1583  Bidens pilosa Annetta Carter 1929-1-9 Los Angeles Base of Sierra Madre Mts. Comment
  SDSU6443  Bidens pilosa H. Wedberg 1967-1-1 1316 Los Angeles Corner of Sunset Blivd. x Marquez Ave., about ` mile from Pacific Coast Highway in Pacific Palisades. Vacant lot. 30 Comment
  RSA678214  Bituminaria bituminosa Valerie L. Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. 396 Comment
  LA21894  Bloomeria crocea J. A. Ewan; 1930-5-30 2250 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, above Hollywood Lake. 304 Comment
  UC905456  Bloomeria crocea Ira W. Clokey, B. Templeton 1929-5-1 4543 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 500 Comment
  UCR251884  Bloomeria crocea Victoria M. Woods, David G. Cook 2014-5-26 50 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Mount Baldy area, Potato Mountain Trail from Baldy Mtn. Rd turnoff 1043 Comment
  RSA652074  Bloomeria crocea Frank Sparks 1948-4-19 sn Los Angeles Collected on side of foothills north of the San Fernando Valley. 914 Comment
  SEINET10833750  Bloomeria crocea F. R. Fosberg 1931-10-4 Fosberg S 4554 Los Angeles Avalon Canyon, Santa Catalina Island. Flat open space. Upper Sonoran Zone. 130 Comment
  RSA367309  Bloomeria crocea var. crocea L. E. Hoffman 1929-6-8 s.n. Los Angeles Arroyo Seco Canyon Comment
  RSA629685  Boechera californica Scott D. White, Dave Bramlet 1998-8-11 7031 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA0128795  Boechera californica Thekla Mohr 1915-1 3033 Los Angeles Sister Elsie Trail, San Gabriel Mountains. Comment
  UCR269981  Boechera pulchra R. G. Swinney 2010-5-19 12785 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCSB46470  Boechera pulchra Chieffo, Scott 1983-5-19 Los Angeles Near Hungry Valley Road offramp; north of Interstate 5 914 Comment
  RSA0097143  Boechera sparsiflora R. G. Swinney 2011-6-20 15219 Los Angeles San Gabriel Mountains: southeast margin of Crystal Lake, 10-30 meters from water line. 1692 Comment
  SD260231  Boechera sparsiflora R. G. Swinney 2011-5-31 14917 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  UC1971143  Boechera sparsiflora Scott D. White, D. E. Bramlet 1998-6-29 6821 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  SBBG59227  Bolboschoenus maritimus subsp. paludosus R. Hoffmann 1927-8-30 Los Angeles Santa Clara River near Castaic Comment
  UCR94697  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, E. J. Lott 1993-5-6 13991 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SBBG116038  Bowlesia incana R. Burgess, P. Munro 1998-1-25 2637 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  UC1587748  Bowlesia incana Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5279 Los Angeles 1800 ft se of Malo Knoll (w fork of Near-Death Canyon, draining to Mosquito Cove (beginning 800 ft n of Rest marker), San Clemente Island); San Clemente Island, Near-Death Canyon 304 Comment
  RSA452002  Bowlesia incana Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  CHSC110017  Boykinia rotundifolia Mark Elvin; Anne Marie Ruff 1996-8-1 298 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.8 mi from gate. South side. Comment
  RSA466775  Boykinia rotundifolia Elbert Benjamine 1929-5-26 191 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA702818  Boykinia rotundifolia Scott D. White 2004-8-20 10724 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  CATA734  Brachypodium distachyon Mark L. Hoefs 1991-5-22 1255 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  RSA155832  Brachypodium distachyon P. H. Raven 1962-5-22 17825 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  RSA583030  Brachypodium distachyon Timothy S. Ross 1993-4-22 6870 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak, saddle on E side of peak. 448 Comment
  SD53047  Brachypodium distachyon Peter H. Raven 1962-5-22 17825 Los Angeles Santa Catalina Island, above Emerald Bay. 121 Comment
  SD181649  Brassica fruticulosa Valerie Soza, Steve Boyd and Gary Wallace 2000-3-28 654 A Los Angeles San Gabriel Mountains; Cobal Canyon, Claremont Hills Wilderness Park, at junction of main fire road and Thompson Creek. 518 Comment
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA482912  Brassica rapa M. Bisbee 1917-5-5 s.n. Los Angeles Eagle Rock Valley Comment
  POM351117  Brickellia californica Anstruther Davidson 1901-9-1 s.n. Los Angeles Rocky Creek Comment
  UCR194616  Brickellia californica R. G. Swinney 1998-8-13 6754 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  CAS-BOT-BC127698  Brickellia microphylla var. microphylla Wesley Griesel 1962-9-14 739 Los Angeles State Hwy #2 between Islip Saddle & Dawson Saddle. San Gabriel Mts. 2133 Comment
  UC1119093  Brickellia nevinii J. Horton 1936-10-21 418 Los Angeles Wolfskill Falls, Pomona Pomona, Wolfskill Falls 670 Comment
  RSA385272  Briza minor Edwin Kline 1920-6-1 s.n. Los Angeles Near Los Angeles. Comment
Read comments
Sep 11 2015
  CATA1199  Brodiaea jolonensis Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2231 Los Angeles Santa Catalina Island: Just past gate (from Airport road) by road to Black Jack Camp 350 Comment
  RSA0068086  Brodiaea terrestris subsp. kernensis Michael C. Long 2015-4-13 922 Los Angeles Santa Monica Mtns., Agoura, sloping hill east of Kanan Rd. just S of Agoura Rd., (S of 101 Fwy.), Agoura Town Center project site. 274 Comment
  SEINET3238908 Image available Bromus R. G. Swinney 1998-10-3 7001 Los Angeles San Gabriel Mtns; upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge. 1991 Comment
  RSA0071931  Bromus berteroanus LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7005 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  LA200936  Bromus carinatus Norman A. Cole; May 1964 sn Los Angeles Santa Monica Mountains, 9.7 mi from Pacific Coast Hwy along Piuma Rd 365 Comment
  UCR193140  Bromus carinatus R. G. Swinney 1998-7-14 6451 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCD59094  Bromus carinatus var. marginatus G. L. Stebbins Jr. 1941-6-19 3143 Los Angeles On road from Big Pines resort to Smithsonian Observatory. 1981 Comment
  CATA1168  Bromus diandrus Mark L. Hoefs 1995-5-30 2162 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  POM363397  Bromus diandrus Robert D. Clarke 1979-4-12 s.n. Los Angeles Arcadia. LASCA [Los Angeles County and State Arbretum] Comment
  SBBG22677  Bromus diandrus M. A. Walters 1950-1 Los Angeles Ridge Route (US Hwy 99) Comment
  UCR206414  Bromus diandrus R. G. Swinney 2008-6-9 8958 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  UCR259585  Bromus diandrus R. G. Swinney 2010-4-15 12224 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  CHSC95424  Bromus grandis LeRoy Gross; Valerie Soza 2001-6-6 430 Los Angeles Los Angeles Basin region: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  RSA578133  Bromus grandis Timothy S. Ross, Walter Appleby 1993-5-13 7128 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 meters NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 854 Comment
  SD50765  Bromus grandis Darley F. Howe 1959-6-21 2720 Los Angeles 4.8 miles west of Camp Baldy, roadside. 1372 Comment
  SEINET260201 Image available Bromus grandis M. Curto, L Allen 1990-7-10 687 Los Angeles Angeles National Forest ; San Gabriel Mts W of Hwy 2 Barley flats area along Angeles NF Trail 11W09. Also in section 7. 1700 Comment
  LA98902  Bromus hordeaceus E. R. Hobbs; 1978-4-23 78 -167 Los Angeles Sand Canyon, W Santa Clara River Valley Comment
  RSA544531  Bromus hordeaceus Timothy S. Ross, Elizabeth A. Kellogg 1992-4-12 6134 Los Angeles San Clemente Island: at the head of Grove Canyon; 110? ESE, 600 meters from Vista (point) 495 Comment
  RSA596890  Bromus hordeaceus Timothy S. Ross, J. Mark Porter 1995-5-4 8514 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  UC816190  Bromus hordeaceus Geo. B. Grant April, 1901 3840 Los Angeles Southern California Comment
  UCR126695  Bromus madritensis A. C. Sanders, Andy Thomson 2003-4-15 25993 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  RSA0115841  Bromus madritensis Steven A. Junak 1999-5-22 SCa- 1002 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  RSA714197  Bromus rubens Valerie L. Soza, Miriam Sidibeh 2003-3-26 1614 Los Angeles Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  SBBG98487  Bromus rubens T. Ross 1991-5-22 5470 Los Angeles Spray Cyn, short cyn 2400 ft ENE of Spray (which is 5200' N of Eel Pt) 83 Comment
  UCR177777  Bromus rubens LeRoy Gross 2005-4-28 2118 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  SD247283  Bromus tectorum Mitch Provance, Callen Huff 2009-4-29 10696 Los Angeles Tehachapi Mountains: Tejon Ranch south of Lebec, lower slopes above Interstate 5, about 0.5 mile east of Gorman; site PO1088/1090 (Lebec 7.5'Q) 1230 Comment
  CATA1244  Cakile maritima Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2322 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA533942  Calandrinia ciliata Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5220 Los Angeles San Clemente Island: South-east end of island in the vicinity of Knob, 5100 ft. NW of Guds. 274 Comment
  CATA3017  Calandrinia menziesii Amy Catalano 2016-2-26 023 Los Angeles Santa Catalina Island: Above northwestern end of Empire Quarry 148 Comment
  UCR191275  Calocedrus decurrens R. G. Swinney 1999-6-30 7473 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  UC961191  Calochortus albus Henry J. Thompson 1951-5-13 1474 Los Angeles near Cornell (Triunfo Canyon, at mouth of Lobo Canyon, w Los Angeles Co.); Santa Monica Mts., Triunfo Pass Quad. 243 Comment
  SEINET3884913  Calochortus catalinae Keith Dobry 1991-5-22 D 627 Los Angeles Santa Monica Mts. 1 mi E of Las Virgenes off Mullholland Hwy. At Soka Univ. NE section.; 0 Comment
  RSA0113509  Calochortus catalinae Lyman Benson 1949-4-29 13599 Los Angeles Hills 4 miles southwest of Pomona. Mt. Range: Puente Hills. 304 Comment
  POM21367  Calochortus invenustus Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  RSA369025  Calochortus invenustus Anstruther Davidson s.n. Los Angeles Mt. Baldy, San Gabriel Mountains., Los Angeles/San Bernardino County. 2744 Comment
  UCR20223  Calochortus invenustus T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns, Mt. Gleason 1829 Comment
  UCR193442  Calochortus kennedyi R. G. Swinney 1999-6-5 7276 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  UCR281405  Calochortus kennedyi var. kennedyi R. G. Swinney 2014-4-24 16224 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  UCR150539  Calochortus palmeri R. G. Swinney 1999-6-21 7382 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  UCR179298  Calochortus plummerae R. G. Swinney 1969-6-12 554 Los Angeles San Gabriel Mtns., Glendora, 0.6 mi north of Sierra Madre Ave., north of Pennsylvania Ave. 366 Comment
  RSA3702  Calochortus splendens Carl B. Wolf 1932-5-11 3549 Los Angeles W of Isthmus Harbor, Santa Catalina Island. 15 Comment
  UCR94709  Calochortus striatus A. C. Sanders, E. J. Lott 1993-5-6 13976 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UCR272541  Calyptridium monandrum R. G. Swinney 2011-6-7 15025 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  UCR281638  Calyptridium monandrum R. G. Swinney 2014-5-8 16457 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  UCR41716  Calyptridium monandrum 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
  UCD149831  Calyptridium monandrum R. Allemand; William Anderson 1965-5-13 s.n. Los Angeles Pearblossom. Comment
  UCR259967  Calystegia macrostegia R. G. Swinney 2010-3-18 11983 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR280767  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-19 16565 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  RSA590514  Calystegia macrostegia subsp. intermedia T. S. Ross, Walter Appleby 1993-5-19 7177 Los Angeles Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. 804 Comment
  RSA0016984  Calystegia macrostegia subsp. intermedia James M. Clisbe 1930-5-6 16064 Los Angeles Nichols Canyon, Santa Monica Mts. Comment
  SBBG119274  Calystegia occidentalis subsp. fulcrata O. Mistretta 1995-6-23 1841 Los Angeles Lookout Mtn Trail 1813 Comment
  UCR260341  Camissonia R. G. Swinney 2010-5-4 12538 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
  POM96908  Camissonia bistorta P. A. Munz 1925-4-19 9383 Los Angeles Pacoima Canyon wash, near San Fernando Comment
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  RSA758001  Camissonia bistorta D. E. Bramlet, Jennifer Pareti 2008-4-14 4187 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  UCR126567  Camissonia bistorta A. C. Sanders, Andy Thomson 2003-4-15 26017 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  UCR259563  Camissonia bistorta R. G. Swinney 2010-4-1 12131 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA655781  Camissonia bistorta LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 189 Los Angeles San Rafael Hills: Ridgetop near lookout Tower, East of the (2) Glendale Freeway. 549 Comment
  HSC16467  Camissonia boothii subsp. decorticans C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  UCR194763  Camissonia californica Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 740 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, south side, above Burbank. Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 427 Comment
  UCR194013B  Camissonia campestris R. G. Swinney 1999-5-22 7209 Los Angeles San Gabriel Mtns./Mojave Desert, Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  UCR222731  Camissonia campestris R. G. Swinney 2009-5-12 10729 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  POM179186  Camissonia guadalupensis subsp. clementina Blanche Trask 1903-06 164 Los Angeles San Clemente Island. Comment
  POM19038  Camissonia hirtella P. A. Munz 1923-6-9 6928 Los Angeles Bouquet Canyon, near Saugus. 1006 Comment
  POM97145  Camissonia hirtella P. A. Munz 1925-4-23 9427 Los Angeles San Gabriel Canyon. 488 Comment
  UCR151336  Camissonia hirtella Steve Boyd, Amber Maurice 2004-5-18 11319 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  UCR252567  Camissonia hirtella R. G. Swinney 2010-5-11 12664 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
  RSA449009  Camissonia ignota Anstruther Davidson 1906-4-9 s.n. Los Angeles Griffith Park. Comment
  RSA630364  Camissonia intermedia Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 602 Comment
  RSA702960  Camissonia pallida Scott D. White, Michael Honer 2004-3-30 9972 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  RSA774086  Camissonia pallida R. G. Swinney 2009-4-29 10562 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  CHSC95493  Camissonia strigulosa LeRoy Gross 2005-4-28 2129 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. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  POM49678  Camissonia strigulosa L. R. Abrams 1901-4-3 1261 Los Angeles Santa Monica Mountains. Comment
  RSA0030722  Camissonia strigulosa Bonnie C. Templeton, I. W. Clokey 1930-4-8 1017 Los Angeles San Fernando Road. 305 Comment
  UCR277063  Camissoniopsis R. G. Swinney 2011-6-7 15076 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  CHSC8282  Camissoniopsis bistorta Edward L. Smith 1957-4-18 206 Los Angeles In a wash, Pomona College, Claremont. 365 Comment
  LA82395  Camissoniopsis bistorta O. H. Kappler; 1941-4-14 206 Los Angeles Santa Monica Mountains, Old Topanga Canyon 761 Comment
  CAS-BOT-BC160251  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter L. Morrell; O. Mistretta; L. Arnseth 1992-4-4 122 Los Angeles On WNW-facing slope, approx. 2 km SSW of Wilson Cove on W side of island. San Clemente Island 20 Comment
  SDSU8630  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp 1967-3-19 330 Los Angeles Growing in sand dunes south of Darter spotting station, south of West Cove, San Clemente Island Comment
  SFV22037  Camissoniopsis hirtella V. Soza, L. Gross, B. Hogshead 2001-4-18 1148 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. 427 Comment
  SDSU3375  Camissoniopsis intermedia H. Wedberg 1958-5-10 288 Los Angeles On Latigo Canyon Road 0.4 mi. from Mulholland Hwy and just north of calamigos star 'C' Ranch. Cleistogamous. Comment
  UC20497  Camissoniopsis micrantha W. H. Brewer Feb. 1861 221 Los Angeles Santa Susanna Mountains Comment
  CAS-BOT-BC403903  Cannabis sativa Philip A. Munz 1955-11-5 21486 Los Angeles 1 1/2 blks. n. of Foothill Blvd. on Mills Ave., Claremont Comment
  SFV1432  Capsella bursa-pastoris K. A. Wilson 1961-2-21 870 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  LA51506  Capsella bursa-pastoris O. H. Kappler; 1941-3-14 123 Los Angeles Santa Monica Mountains, Benedict Canyon, N of Beverly Hills 243 Comment
  LA204282  Cardamine californica Carl Epling; 1925-1-10 6415 Los Angeles San Dimas Canyon Comment
  SFV1434  Cardamine californica K. A. Wilson 1961-2-18 857 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
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Jan 20 2015
  UCSB2289  Cardamine californica Ballard 1954-4-20 Los Angeles Little Dalton Canyon, Glendora 350 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
  UCR260344  Carduus pycnocephalus R. G. Swinney 2010-5-4 12563 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
  RSA573455  Carduus pycnocephalus Timothy S. Ross 1992-6-15 6554 Los Angeles Whittier Hills (W extremity of Puente Hills): upper end of Turnbull Canyon. 305 Comment
  SEINET7552636 Image available Carex bolanderi Orlando Mistretta, Steve Boyd 1994-6-21 1388 Los Angeles San Gabriel Mountains; Santiago Canyon; Drainage northwest of Pacifico Mountains; 7.5' USGS topographic quadrangle 1585 Comment
  UCR149901  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  RSA607810  Carex fracta L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  SEINET7559331 Image available Carex fracta Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38857 Los Angeles San Gabriel Mts, Angeles National Forest, above Angeles Crest Hwy at headwater of S Fork, Big Rock Creek, c 1.7 mi S of Dawson Saddle. 2316 Comment
  UCR147792  Carex hassei Valerie Soza, Laura Moore 2000-6-14 1011 Los Angeles San Gabriel Mountains, Spring at Big Cienega, c. 0.6 mi NE of Deer Flat Campground along S Hawkins Road (FSR 3N07.2) 1982 Comment
  SD90320  Carex heteroneura R. F. Thorne, M. Z. Thorne 1969-7-10 38366 Los Angeles San Gabriel Mountains; Angeles National Forest; bottom of cold, snow-melt gully, northwest facing slope near Lodgepole Picnic Ground; ca. 1.5 miles southeast of Dawson Saddle along Angeles Crest Highway. 2316 Comment
  CAS-BOT-BC32077  Carex multicaulis Robert F. Thorne; M. Z. Thorne 1967-7-19 37148 Los Angeles San Gabriel Mts. Angeles National Forest. Crystal Lake Recreation area. 1554 Comment
  CAS-BOT-BC118974  Carex pellita Louis C. Wheeler 1933-7-4 1892 Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  RSA605014  Carex schottii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SEINET7574464 Image available Carex schottii Louis C. Wheeler 1967-5-24 9755 Los Angeles San Gabriel Mountains, Indian Canyon. 701 Comment
  RSA678238  Carex senta Valerie Soza, Steve Boyd 2002-4-10 1403 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 534 Comment
  UC1587574  Carex spissa Tim Ross 1991-9-1 5894 Los Angeles near Mulholland Highway x Yerba Buena Road; Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 426 Comment
  UCR200156  Carex spissa Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 814 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
  CAS-BOT-BC116603  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  CAS-BOT-BC116601  Carex subfusca Frank Warrington Peirson 1922-7-21 4267 Los Angeles North slope of Baldy San Gabriel Mts. 2987 Comment
  RSA135231  Carex triquetra Peter H. Raven 1960-5-21 15393 Los Angeles Triunfo Canyon. 259 Comment
  SFV1129  Carpobrotus chilensis K. A. Wilson 1961-3-12 1003 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  UCR273749  Castilleja affinis R. G. Swinney 2011-6-15 15177 A Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SEINET4044468  Castilleja angustifolia D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  UC1980264  Castilleja applegatei R. G. Swinney 2008-8-13 9403 Los Angeles San Gabriel Mountains: Big Rock Creek, 1.0 mi. east of Fenner Canyon Comment
  RSA680203  Castilleja applegatei subsp. martinii Valerie L. Soza, Sarah J. De Groot 2003-6-11 1658 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  SFV17586  Castilleja applegatei subsp. martinii J. N. Hogue, L. H. Hogue 1998-7-2 116 .1 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  POM305935  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1213 Los Angeles Altadena, Eaton Canyon Park Comment
  POM98087  Castilleja applegatei subsp. martinii M. Hill 1925-4-27 s.n. Los Angeles San Antonio Canyon. San Antonio Mountains. 1067 Comment
  RSA592310  Castilleja exserta subsp. exserta Louis C. Wheeler 1967-5-13 9514 Los Angeles San Gabriel Mountains. West side of Little Dalton Canyon, Glendora Mt. Road. 480 Comment
  RSA650284  Castilleja exserta subsp. exserta W. A. Reinke 1971-5-3 s.n. Los Angeles On Glendora Mtn. rd, 1 mi. N. of Glendora Dam. Comment
  UCR142504  Castilleja foliolosa F. R. Fosberg 1931-3-18 S- 4292 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon above Hamilton Beach 20 Comment
  UCR269132  Castilleja foliolosa Orlando Mistretta, Christine Mistretta 2011-6-16 5698 Los Angeles San Gabriel Mountains, northern edge of mountains, along Southern California Edison transmission line corridor, 0.5 air miles north of Aliso Canyon Road 1141 Comment
  UC184460  Castilleja linariifolia A. D. E. Elmer Jun 1902 3608 Los Angeles Acton Comment
  RSA0110789  Castilleja miniata Richard G. Swinney 2010-9-30 13919 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  RSA0036825  Castilleja minor subsp. spiralis Justin M. Wood 2011-7-7 4336 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  POM308474  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-9-2 3097 Los Angeles Angeles Crest Highway, Johnny Canyon. Comment
  RSA448770  Castilleja plagiotoma Bonnie C. Templeton 1932-6-19 4918 Los Angeles Ranger Station, Lone Pine canyon, Big Pine Park Comment
  UCSB8699  Castilleja subinclusa subsp. subinclusa Haller, John 1957-4-13 Los Angeles Mint Canyon, ca. 5 miles E. of road to Acton and 10 rd. miles E. of Angeles Forest Hwy. 914 Comment
  CAS-BOT-BC38144  Caulanthus amplexicaulis Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3827 Los Angeles San Gabriel Mountains. Ridgetop to the west of Crystal Lake (ridge descending SSW from Mount Islip). 2036 Comment
  CAS-BOT-BC38149  Caulanthus amplexicaulis LeRoy Abrams; E. A. McGregor 1908-7-3 573 Los Angeles San Gabriel Mountains. North Baldy Mountain. Comment
  RSA0091341  Caulanthus amplexicaulis R. G. Swinney 2011-5-12 14690 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA153462  Caulanthus amplexicaulis var. amplexicaulis Wesley O. Griesel 1962-5-28 s.n. Los Angeles Angeles Forest Hwy, between Mill Creek Summit and Tunnel 1371 Comment
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Nov 19 2015
  RSA628353  Caulanthus amplexicaulis var. amplexicaulis Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10234 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
  RSA651059  Caulanthus cooperi Marion P. Harthill 1974-4-22 1666 Los Angeles Mojave Comment
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Jan 4 2012
  UCR108336  Caulanthus cooperi L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  UCR280779  Caulanthus cooperi R. G. Swinney 2014-4-30 16279 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  LA202578  Caulanthus heterophyllus var. heterophyllus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA66752  Caulanthus heterophyllus var. heterophyllus F. W. Peirson 1919-3-17 4186 Los Angeles Hills west of Arroyo Seco, Pasadena 426 Comment
  CATA1872  Caulanthus lasiophyllus Denise Kraus 2000-4-13 8 Los Angeles Santa Catalina Island: (Goat Harbor burn area) Above Goat Harbor about 2,000 feet north of Airport road between two fuel break roads/ ridges. At GHB Transect 1 381 Comment
  SD90527  Caulanthus lasiophyllus Robert F. Thorne 1973-4-11 42860 Los Angeles San Clemente Island; middle portion of Norton Canyon, on canyon floor. 274 Comment
  CAS-BOT-BC39569  Caulanthus major Dr. A. Davidson 1893-7-1 s.n. Los Angeles Mojave Desert. Rock Creek. Comment
  CAS-BOT-BC47950  Ceanothus arboreus Robert F. Thorne; P. C. Everett 1964-2-6 33293 Los Angeles N-facing slope above Fourth of July Cove, Santa Catalina Island 30 Comment
  RSA276094  Ceanothus arboreus Gary D. Wallace 1975-3-23 1406 Los Angeles Santa Catalina Island, along road from Avalon near head of Swain's Canyon 427 Comment
  SBBG18704  Ceanothus arboreus E. R. Blakley 1963-4-10 5576 Los Angeles NE side of Black Jack Mtn, at jct of Whites Landing and Airport Rd 381 Comment
  SBBG18740  Ceanothus arboreus E. R. Blakley 1963-4-10 5581 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  RSA398827  Ceanothus cordulatus Bonnie C. Templeton 1932-5-31 4847 Los Angeles North slope of Blue Ridge Mountain, Big Pines Camp 2060 Comment
  UCR98737  Ceanothus cordulatus T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3360 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  SDSU10251  Ceanothus crassifolius Lorenzo Cook 1932-3-1 Los Angeles Arroyo Seco Canyon. Comment
  RSA584215  Ceanothus crassifolius var. planus Tim S. Ross, Orlando Mistretta 1993-5-27 7319 Los Angeles W end of the San Gabriel Mtns: southwesterly draw 1200 ft. WSW of May Canyon Saddle. 1061 Comment
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Sep 30 2014
  SBBG71371  Ceanothus crassifolius var. planus M. N. Ackley -Feb-1928 922 Los Angeles Annandale 243 Comment
  RSA613229  Ceanothus cuneatus Louis C. Wheeler 1933-3-4 1511 Los Angeles San Antonio Wash above Foothill Blvd. 389 Comment
  CAS-BOT-BC50573  Ceanothus leucodermis L. R. Abrams 1906-7-19 s.n. Los Angeles Mount Wilson Trail 609 Comment
  RSA399006  Ceanothus leucodermis H. E. Hasse, Anstruther Davidson 1906-6-1 1503 Los Angeles Big Rock Creek. 1524 Comment
  RSA635040  Ceanothus leucodermis Valerie L. Soza, Kent Hughes 1999-6-17 562 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon. 747 Comment
  RSA0034927  Ceanothus leucodermis Anonymous 1977-4-23 36 Los Angeles Pyramid Res. Piru Canyon. 1066 Comment
  UCR52239  Ceanothus megacarpus Tom Scott 1988-6-5 s.n. Los Angeles San Clemente Island, upper China Canyon, at the S end of the island Comment
  RSA650468  Ceanothus spinosus George Maruko 1948-2-23 s.n. Los Angeles South slope above golf course, Griffeth Park, Los Angeles. 213 Comment
  RSA0029518  Ceanothus spinosus Richard C. Barkelew 1929-4-17 s.n. Los Angeles Mulholland Highlands, Los Angeles Comment
  UC176008  Centaurea eriophora A. Davidson, M. D. 2334 Los Angeles Highland Park Comment
  SBBG12558  Centaurea melitensis P. H. Raven 1962-7-11 17988 Los Angeles cyn N of Nanny, NE of Lemon Tank, about halfway down Comment
  UCR23288  Centaurea melitensis Kate Kramer 1981-5-31 53 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
  RSA533449  Centranthus ruber Tim S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road. 274 Comment
  UCSB49821  Centranthus ruber Reisentz, Paul 1975-5-23 Los Angeles About 1/2 mile up Old Topanga Rd from Topanga Canyon Blvd. Santa Monica Mtns 426 Comment
  CAS-BOT-BC179808  Centrostegia thurberi A. D. E. Elmer 1902-6-1 3679 Los Angeles Acton Comment
  UCR280674  Centrostegia thurberi R. G. Swinney 2014-4-10 16046 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  CATA1559  Cerastium glomeratum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2826 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  UCR167316  Cerastium glomeratum Scott D. White, Brian Leatherman 2005-3-18 10797 Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  CAS-BOT-BC388300  Cerastium glomeratum Dr. H. E. Hasse 1890-3-1 s.n. Los Angeles Soldiers House Comment
  RSA766854  Cercis occidentalis Justin M. Wood 2009-9-9 1287 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SFV21673  Cercis occidentalis J. N. Hogue 2009-4-16 336 .1 Los Angeles Santa Monica Mountains Zuma Canyon, Backbone Trail west of Newton Canyon. 450 Comment
  POM156313  Cercocarpus betuloides L. R. Abrams 1903-3-11 3116 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  UC1971390  Cercocarpus ledifolius Louis C. Wheeler 1946-8-25 6236 Los Angeles San Gabriel Mountains; northerly end Pine Flats. Comment
  HSC24842  Cercocarpus montanus var. glaber James Henrickson 1972-3-19 7183 Los Angeles 7 air mi. N of Sierra Madre along Hwy. 2 in San Gabriel Mtns. 1402 Comment
  SBBG38868  Cercocarpus traskiae R. Moran 1941-3-5 678 Los Angeles Salta Verde 250 Comment
  RSA717153  Cereus repandus LeRoy Gross, Naomi Fraga 2006-1-20 2446 Los Angeles North end of the San Rafael Hills, east side of the main crest. North of Lookout Tower. 503 Comment
  SEINET7379769 Image available Chaenactis carphoclinia H. M. Hall, H. P. Chandler 1906-6-11 7383 Los Angeles Rosamond, Mohave Desert, Los Angeles Comment
  SEINET7063584  Chaenactis glabriuscula A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Pearblossom Highway. UTM Zone 11, 410583mE, 3820399mN. (WGS84/NAD83). 887 Comment
  CAS-BOT-BC183856  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-10 7759 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  UC1584249  Chaenactis glabriuscula var. glabriuscula Tim Ross and Steve Boyd 1990-6-6 2827 Los Angeles Green Valley Pasture San Francisquito Canyon 926 Comment
  POM351750  Chaenactis glabriuscula var. glabriuscula Kenneth A. Wilson 1961-4-29 1179 Los Angeles Devils Punch Bowl camp site. Two miles south of Valyermo. Comment
  UC54051  Chaenactis glabriuscula var. glabriuscula L. A. Greata 1903-5-1 318 Los Angeles Arroyo Seco Comment
  RSA330775  Chaenactis santolinoides Wayne E. Sawyer 1981-6-16 39 Los Angeles San Gabriel Mtns., Angeles National Forest: Crest trail, ca. 0.1 mi. S of Little Jimmy Spring 2287 Comment
  UCR271658  Chaenactis stevioides R. G. Swinney 2011-5-31 14929 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
  RSA756579  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-3 2294 Los Angeles Liebre Mountains region: near the intersection of Southern California Edison Transmission Line and Peaceful Valley Road, North of intersection of transmission Line and State Hwy 14, in the vicinity of Soledad Pass (Segment 5, structure 60 per TRTP survey; 2008). 1083 Comment
  CAS-BOT-BC279719  Chaenactis xantiana H. M. Hall 1900-6-3 1483 Los Angeles San Antonio Mountains. Swarthout Canyon 1767 Comment
  UCR149968  Chaenactis xantiana Scott D. White 2004-5-5 10301 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  RSA600016  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-5-29 9929 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. 1127 Comment
  RSA250633  Chamaesyce albomarginata R. F. Thorne 1971-3-31 41444 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  UCSB8660  Chamaesyce albomarginata McElwain, Isabelle 1953-3-8 Los Angeles East side of driveway 17090 Bull Canyon Rd., Granada Hills Comment
  RSA435997  Chamaesyce maculata George B. Grant 1904-9-2 6417 Los Angeles Pasadena Comment
  POM2805  Chamaesyce melanadenia Wilfred Terry Reynolds 1900-6-12 s.n. Los Angeles Burbank Canon [canyon] S. California. 427 Comment
  RSA607623  Chamaesyce melanadenia L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: West side of divide between Little Tujunga and Ebey Canyon, along road. 640 Comment
  CAS-BOT-BC70020  Cheilanthes covillei John H. Thomas 1967-3-22 7573 Los Angeles San Gabriel Mts., Angeles National Forest, Sulphur Springs, about 18 miles NE of center of Pasadena 1219 Comment
  RSA588153  Cheilanthes covillei Orlando Mistretta 1994-5-23 1239 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  RSA584943  Chenopodium album Steve Boyd 1990-10-4 5219 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, Claremont. Comment
  SEINET12723482 Image available Chenopodium berlandieri R. G. Swinney 2011-1 15680 Los Angeles San Gabriel Mountains; SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of "Inspiration Cyn." & Coldwater Cyn., near spring and watertank (Chilao Flat 7.5 1140 Comment
  RSA587488  Chenopodium berlandieri Orlando Mistretta 1994-9-13 1479 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago creek near jct. of Forest Road 4N20 and BM 3980. 1159 Comment
  RSA478447  Chenopodium berlandieri var. sinuatum F. R. Fosberg 1931-7-13 S 5376 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 200 Comment
  UCR194839  Chenopodium botrys R. G. Swinney 1998-8-6 6680 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UC7300  Chenopodium californicum J. H. Barber 1897-3-19 87 Los Angeles Santa Monica Exp't Station Comment
  RSA611509  Chenopodium californicum L. C. Wheeler 1968-5-27 s.n. Los Angeles Alimony Ridge, at head of Brainard Canyon. 1402 Comment
  SBBG119566  Chenopodium californicum L. C. Wheeler 1967-5-31 9798 Los Angeles just over the rise immediately W of Caldwell Lake Comment
  RSA0115076  Chenopodium macrospermum Steven A. Junak 2000-10-12 SCa- 1411 Los Angeles Santa Catalina Island. On N side of Thompson Reservoir. 195 Comment
  LA31619  Chenopodium macrospermum var. farinosum J. A. Ewan; 1959-9-6 Los Angeles Santa Monica Mountains, Medea Creek, Malibu Creek, near mouth 3 Comment
  RSA585024  Chenopodium pumilio T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  IRVC26198  Chlorogalum pomeridianum A. C. Sanders, Mark A. Elvin 2003-6-18 26952 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
  UCR127150  Chlorogalum pomeridianum A. C. Sanders, Mark A. Elvin 2003-6-18 26952 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  POM1651  Chlorogalum pomeridianum D. L. Crawford 1915-07 s.n. Los Angeles Claremont. Comment
  RSA369220  Chlorogalum pomeridianum var. pomeridianum Donald R. Bissing 1973-6-2 153 Los Angeles Evey Canyon, San Gabriel Mts. above road cut 0.2 mile from canyon mouth. 689 Comment
  CAS-BOT-BC178910  Chorizanthe Timothy S. Ross; J. Mark Porter 1995-5-4 8504 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  RSA587208  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Christine Mistretta 1995-5-2 1663 C Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA709771  Chorizanthe parryi var. fernandina A. C. Sanders 2003-8-7 27154 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Long [Larres] Canyon, a tributary of the Santa Clara River NE of Potrero Canyon 351 Comment
  JEPS57797  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  RSA392670  Chorizanthe staticoides M. Bisbee 1917-5-12 70 Los Angeles Hills north side of Eagle Rock Valley Comment
  SDSU4940  Chorizanthe staticoides D. F. Howe 1976-6-1 4915 Los Angeles South side o Little Sycamore Canyon. 488 Comment
  UCR195289  Chorizanthe staticoides Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1170 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  RSA571306  Chorizanthe xanti Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8302 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  UCR126660  Chrysothamnus nauseosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26220 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  RSA603825  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd 1997-9-17 10039 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. 915 Comment
  POM6123  Cirsium occidentale var. occidentale P. A. Munz 1918-5-16 2249 Los Angeles Claremont. Comment
  UCR51671  Cirsium occidentale var. occidentale Lyman Benson 1947-3-29 12286 Los Angeles Pacific slope, Indian Hill, City of Claremont 427 Comment
  RSA466594  Cistanthe monandra Samuel R. Tyson 1942-5-5 s.n. Los Angeles San Dimas Canyon 610 Comment
  RSA728999  Cistanthe monandra Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1973 Los Angeles Fort Tejon Road. Comment
  RSA588075  Cistanthe monandra Orlando Mistretta 1994-4-15 1063 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA643147  Cistanthe monosperma Orlando Mistretta 1993-6-24 885 Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA594758  Cistus incanus subsp. creticus T. S. Ross 1995-4-7 8356 Los Angeles Templin Highway ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA394286  Citrullus lanatus Robert Gustafson 1981-7-15 2331 Los Angeles Ballona Wetlands, Area 2 Comment
  RSA453459  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  RSA448254  Clarkia cylindrica subsp. cylindrica Geo. L. Moxley 1915-5-31 341 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA191116  Clarkia dudleyana Robert F. Thorne, M. Z. Thorne 1967-6-25 37120 Los Angeles San Gabriel Mountains: Evey Canyon, 716 Comment
  POM158305  Clarkia epilobioides M. B. Dunkle 1928-5-12 1924 Los Angeles Santa Catalina Island: Empire Landing 61 Comment
  RSA567530  Clarkia heterandra Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3928 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  SBBG5095  Clarkia heterandra R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA685140  Clarkia purpurea A. C. Sanders 2003-5-26 26844 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  CAS-BOT-BC163714  Clarkia purpurea subsp. quadrivulnera C. F. Baker 1909-5-15 5352 Los Angeles Mts. near Claremont Comment
  CATA528  Clarkia purpurea subsp. quadrivulnera Sara L. Crockett 1997-4-29 680 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde 451 Comment
  OBI70658  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mts Region: Portal Ridge, N of the San Andreas Rift zone, in the Cow Srping drainage along the Pacific Crest Trl, at point where trl crosses side drainage originating on ridge forming divide with Gookins Dry lake 1097 Comment
  RSA162765  Clarkia purpurea subsp. quadrivulnera J. D. Olmsted 1958-4-26 119 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of LA Co. 366 Comment
  RSA601565  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9836 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 396 Comment
  SD129447  Clarkia purpurea subsp. viminea John Adams 1963-5-28 29 Los Angeles Pomona College Wash, Claremont. 334 Comment
  RSA660267  Clarkia rhomboidea Orlando Mistretta, Peter L. Morrell 1992-6-4 496 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  LA200711  Clarkia unguiculata A. Handschiegel; June 1925 sn Los Angeles Santa Monica Mountains, Encino Country Club (historic site) Comment
  POM307162  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-5-15 2008 Los Angeles Newhall Grade. Comment
  RSA15529  Clarkia unguiculata Carl B. Wolf 1928-5-11 2180 Los Angeles So. base of Newhall Grade. Comment
  RSA448588  Clarkia unguiculata Grace Shaffer s.n. Los Angeles Z trail above Sierra Madre. Comment
  RSA596803  Clarkia unguiculata Tim S. Ross, J. Mark Porter 1995-5-4 8500 Los Angeles Texas Canyon: ca 2.65 road miles NE of Bouquet Canyon Road. 610 Comment
  UCR108990  Clarkia unguiculata R. S. Woglum 1930-5-10 s.n. Los Angeles San Fernando Valley, North Hollywood Comment
  UCR185584  Claytonia exigua subsp. exigua A. C. Sanders, T. B. Salvato 2007-4-25 33554 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA779206  Claytonia parviflora R. G. Swinney 2009-6-8 11075 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA779999  Claytonia parviflora R. G. Swinney 2009-4-7 10282 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  UCR186489  Claytonia parviflora T. B. Salvato 2007-4-27 2091 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UCR190415  Claytonia parviflora R. G. Swinney 2000-5-20 7698 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 905 Comment
  VVC3075  Claytonia parviflora subsp. utahensis Tim Thomas, P. J. MacKay 2015-5-10 6611 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  RSA706669  Claytonia parviflora subsp. viridis Naomi Fraga, Paul Morton 2004-5-19 1192 Los Angeles Trail (7W02) to Baldy from San Antonio Falls Road. 2104 Comment
  UCR155378  Claytonia perfoliata A. C. Sanders, T. B. Salvato 2005-5-24 30268 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR4185  Claytonia perfoliata R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  RSA527793  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4360 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC852079  Claytonia perfoliata subsp. mexicana F. R. Fosberg 1931-4-4 S 4486 Los Angeles Cherry Canyon; Santa Catalina Island 30 Comment
  RSA386216  Clematis lasiantha Louis C. Wheeler 1932-3-20 509 Los Angeles Head Mandeville Canyon. 457 Comment
  LA207186  Clematis ligusticifolia Carl Epling; May 1926 sn Los Angeles Arroyo Seco Comment
  RSA702214  Clematis ligusticifolia Scott D. White 2004-8-20 10739 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 Comment
  UCR210259  Clematis ligusticifolia R. G. Swinney 2008-8-13 9366 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA408412  Collinsia bartsiifolia var. davidsonii N. C. Cooper 1949-4-19 3612 Los Angeles Mojave Desert, Lancaster. 762 Comment
  HSC20592  Collinsia heterophylla C. S. Apperson 1966-4-29 4 Los Angeles Tapia Park vicinity near Malibu Cyn. in Santa Monica Mnts. Comment
  UCR140422  Collinsia heterophylla June Latting 1958-5-11 322 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy 2 miles west of Seminole Hot Springs 549 Comment
  RSA0117326  Collinsia parryi Wesley O. Griesel 1961-4-18 s.n. Los Angeles Switzers Inlet, San Gabriel Mountains. 762 Comment
  UCR190813  Collinsia torreyi R. G. Swinney 1999-7-5 7515 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
  SEINET10317250 Image available Collinsia wrightii Wesley O. Griesel 1962-5-28 Los Angeles Big Pines, San Gabriel Mountains 1829 Comment
  SBBG128258  Comarostaphylis diversifolia subsp. planifolia M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-8 3029 Los Angeles lower Cottonwood Cyn 152 Comment
  UC1215203  Constancea nevinii Peter H. Raven 1962-7-12 18024 Los Angeles near point at e end Northwest Harbor; San Clemente Island 30 Comment
  SFV21878  Convolvulus arvensis L. L. Zung 2011-5-17 5 Los Angeles Mojave Desert Vacant lot in Little Rock. 860 Comment
  UC126820  Conyza bonariensis J. and H. W. Grinnell 1906-8-26 369 Los Angeles orchard near Pasadena Comment
  LA32103  Conyza canadensis Peter H. Raven; 1959-9-18 14448 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR277182  Conyza canadensis R. G. Swinney 2010-10-5 13973 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  POM355836  Conyza canadensis H. de Forest 1930-9-28 s.n. Los Angeles Playa del Rey. Comment
  UCR182722  Conyza coulteri R. G. Swinney 1998-2-16 5898 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  SEINET3929605  Cordylanthus filifolius David Keil 1986-9-27 19738 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit.; 0 914 Comment
  RSA774802  Cordylanthus nevinii R. G. Swinney 2009-7-23 11398 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  OBI78362  Cordylanthus rigidus subsp. setiger David J. Keil 1986-9-27 19738 -2 Los Angeles NW Los Angeles county. Along I-5, just S of Hungry Valley Rd exit. Roadside pullout 914 Comment
  PASA414  Coreopsis bigelovii Stason 1929-5-20 Los Angeles Mohave desert near Adelanto Comment
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Jun 24 2016
  RSA92420  Coreopsis calliopsidea F. W. Peirson 1917-5-13 1341 Los Angeles Roadside near Little Rock, north base of San Gabriel Mountains. Comment
  CAS-BOT-BC105714  Corethrogyne filaginifolia Ernest Braunton 1902-8-1 646 Los Angeles Los Angeles Comment
  CAS-BOT-BC105745  Corethrogyne filaginifolia Peter H. Raven; Henry J. Thompson 1959-9-27 14507 Los Angeles Sepulveda Canyon - Santa Monica Mountains 243 Comment
  RSA0087854  Corethrogyne filaginifolia R. G. Swinney 2010-3-13 11885 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  SD244585  Corethrogyne filaginifolia David Keil 1986-9-27 19737 2 Los Angeles Along I-5, just s of Hungry Valley Rd exit. Roadside pullout. 914 Comment
  SEINET13387001 Image available Corethrogyne filaginifolia R. G. Swinney 2011-1 15899 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5' Q.) 649 Comment
  UC55081  Corethrogyne filaginifolia Miss E. D. Palmer Los Angeles Los Angeles Comment
  POM290420  Corethrogyne filaginifolia var. filaginifolia Lyman Benson 1933-11-12 5722 Los Angeles Westwood, Beverly Hills. 122 Comment
  POM307003  Corethrogyne filaginifolia var. filaginifolia Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1920 Los Angeles San Gabriel Wash. Comment
  UCR182483  Cornus sericea var. sericea R. G. Swinney 1997-7-22 5692 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  SEINET10543197  Cotoneaster franchetii David B. Dunn 1971-8-11 Dunn 18097 Los Angeles Cultivated plants at 4911 pasadena ave. Terrace Comment
  RSA650382  Cotoneaster pannosus Robert E. Boyles 1948-1-30 s.n. Los Angeles San Dimas Park. 305 Comment
  UC485351  Cotula coronopifolia I. Johnston May 1917 1027 Los Angeles El Monte 82 Comment
  SBBG128067  Crepis setosa M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2751 Los Angeles Avalon School science building, Falls Cyn 27 Comment
  SBBG11038  Cressa truxillensis D. E. Breedlove 1961-9-23 1278 Los Angeles Ballast Pt, S side of Catalina Harbor Comment
  UC879474  Cressa truxillensis F. R. Fosberg 1931-5-16 S 4880 Los Angeles Santa Catalina Isl., Little Harbor 2 Comment
  CATA659  Crocanthemum scoparium Mark L. Hoefs 1991-4-23 1148 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  SD90123  Crocanthemum scoparium var. vulgare Jon Nickoloff 1973-5-2 730502 5 Los Angeles On ridge 600 feet north of Mt. Wilson Trail; Sierra Madre. 305 Comment
  CAS-BOT-BC175824  Crossosoma californicum Timothy S. Ross; J. Mark Porter; Gery Allan; Vanessa Ashworth; Darin Banks; Megan Tommerup 1994-3-28 7411 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; un-named horseshoe-shaped canyon to the NE of upper Forrestal Drive 164 Comment
  CAS-BOT-BC181575  Crossosoma californicum Carl B. Wolf 1932-5-9 3500 Los Angeles Junction of Upper Pebbly Beach Road and road to Renton Mine - Santa Catalina Island 121 Comment
  RSA177852  Crossosoma californicum R. F. Thorne, Percy C. Everett 1965-5-12 34596 Los Angeles Catalina Canyon, at upper end; Santa Catalina Island. 244 Comment
  RSA199159  Crossosoma californicum R. F. Thorne 1968-5-29 37706 Los Angeles Santa Catalina Island. Lower end of Hamilton Canyon, ca. .5 miles NNW of Avalon. 30 Comment
  RSA397735  Crossosoma californicum Blanche Trask 1901-06 2041 Los Angeles Santa Catalina Island Comment
  RSA480564  Croton T. A. Burch, B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Palos Verdes Hills. Comment
  RSA480561  Croton californicus A. Menke 1955-3-26 s.n. Los Angeles Point Dume, California. Comment
  RSA578734  Croton californicus T. S. Ross, J. Mark Porter 1994-5-1 7581 Los Angeles Southwestern Mohave Desert: open desert, ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 962 Comment
  RSA54053  Croton californicus var. tenuis J. T. Howell 1948-7-2 24768 Los Angeles Redondo Beach. Comment
  SD48946  Croton setiger Reid Moran 1958-9-15 6829 Los Angeles San Clemente Island, canyon 1.8 miles SE of Eel Point 99 Comment
  UCR272580  Cryptantha R. G. Swinney 2011-6-7 15021 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
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Feb 19 2020
  CAS-BOT-BC189388  Cryptantha circumscissa Robert F. Thorne; C. W. Tilforth 1973-4-20 43104 Los Angeles San Gabriel Mountains, Mojave desert slope, San Bernardino National Forest: Mormon Rocks and Cajon Canyon 1036 Comment
  POM368339  Cryptantha circumscissa N. C. Cooper 1948-4-21 2725 Los Angeles Little Rock. 762 Comment
  SFV3076  Cryptantha circumscissa K. A. Wilson 1961-4-27 1165 Los Angeles San Gabriel Mountains Soledad Canyon. Base of small canyon adjacent to Bee Canyon. 610 Comment
  RSA776850  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5301 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
  RSA187757  Cryptantha intermedia R. F. Thorne 1966-4-7 35948 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA752462  Cryptantha intermedia Justin M. Wood 2009-4-22 533 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SFV15337  Cryptantha intermedia J. C. Dittes, C. Dittes 1990-3-31 56 Los Angeles San Gabriel Mountains Along Little Tujunga Canyon Road, opposite to entrance of Wildlife Waystation. 640 Comment
  UC1552150  Cryptantha intermedia David Charlton 1988-4-2 1484 Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Road to end of pavement, site is under powerline Cajon Pass 1524 Comment
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Feb 4 2015
  POM368244  Cryptantha intermedia H. L. Bauer 1931-4-1 13959 Los Angeles El Segundo Comment
  RSA0075634  Cryptantha intermedia var. johnstonii L. C. Wheeler 1932-4-15 621 Los Angeles 2.5 miles NNE of Claremont 419 Comment
  RSA0076123  Cryptantha intermedia var. johnstonii Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mt. Rd. 1066 Comment
  SBBG31314  Cryptantha maritima R. F. Thorne with P. C. Everett 1965-5-11 34577 Los Angeles N side of N beach of Little Harbor 15 Comment
  UC1516007  Cryptantha micrantha Baki Kasapligil 1960-4-11 3228 Los Angeles Little Rock Canyon, near the dam Little Rock Canyon 1127 Comment
  RSA0113366  Cryptantha microstachys LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7516 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA802341  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2011-7-7 5926 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  POM3968  Cryptantha microstachys Dian Haynes s.n. Los Angeles Arroyo Seco, Pasadena Comment
  IRVC26363  Cryptantha muricata A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26051 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UCR220247  Cryptantha muricata R. G. Swinney 2009-4-28 10516 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR266387  Cryptantha muricata D. E. Bramlet, Allison D. Rudalevige 2009-4-28 4370 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Big Tujunga Canyon Rd., across from nursery 415 Comment
  UCR272524  Cryptantha muricata R. G. Swinney 2011-7-7 15445 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
  CLARK-A1528-1300  Cryptantha muricata var. jonesii Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA0079618  Cryptantha muricata var. muricata Steve Boyd, Amber Maurice 2004-5-18 11313 Los Angeles Liebre Mountains region: On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. 1437 Comment
  RSA0079552  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-6-18 3520 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  UCR127959  Cryptantha nevadensis var. rigida A. C. Sanders, E. J. Lott 1993-5-6 13953 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  UCR193703  Cryptantha oxygona R. G. Swinney 1999-5-22 7191 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  SFV3104  Cryptantha pterocarya K. A. Wilson 1961-4-29 1172 Los Angeles Mojave Desert 1 mile northwest of Valyermo. 1085 Comment
  RSA0079119  Cryptantha pterocarya var. pterocarya Steve Boyd, Orlando Mistretta 1986-3-31 1526 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA659942  Cryptantha similis Orlando Mistretta 1992-5-18 356 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  SD262230  Cryptantha similis R. G. Swinney 2014-4-30 16269 Los Angeles San Gabriel Mountains: 3.8-4.0 milse south of Hwy 138, c. 100 meters west of Largo Vista Road to ridge (Valyermo 7.5'Q) 1387 Comment
  UCD145366  Cryptantha utahensis Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 731 Comment
  UCR116942  Cucurbita foetidissima A. C. Sanders, D. Malueg 2001-5-17 24344 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  POM126994  Cuscuta californica Jos. Burtt Davy 1896-5-9 2299 Los Angeles Antelope Valley Comment
  UCR277918  Cuscuta californica Mitch Provance, Jon True 2015-6-30 615- 01 Los Angeles Western Transverse Ranges, Bouquet Canyon, 4.5 miles WNW of Newhall, S of Corner of David Way and Bouquet Canyon Rd. 431 Comment
  POM126991  Cuscuta californica Fordyce Grinnell Jr. 1903-7-30 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  POM3578  Cuscuta ceanothi W. R. Shaw 1900-7-2 66 Los Angeles Claremont. Comment
  UCD54441  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 11 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  PASA894  Cuscuta subinclusa Annetta Carter 1929-1-9 Los Angeles Base of Sierra Madre Mts. Comment
  SBBG107240  Cylindropuntia prolifera J. Rebman, J. Dunn 1996-4-29 3118 Los Angeles Eel Cove, near Eel Pt 10 Comment
  HSC9501  Cynodon dactylon John Warner Hosking 1964-10-24 Los Angeles Back yard of home in Manhattan Beach. Comment
  RSA598213  Cyperus eragrostis Sara L. Crockett, Mark Hoefs, Steven A. Junak, Gery Allan 1996-10-31 546 Los Angeles Santa Catalina Island. Haypress Reservoir. 457 Comment
  UCR179245  Cyperus eragrostis R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.4 mi. east of Glendora Mountain Road 442 Comment
  CAS-BOT-BC113869  Cyperus niger var. capitatus Ernest Braunton 1902-8-1 654 Los Angeles Oak Knoll. Comment
  JEPS35047  Cystopteris fragilis Ernest Braunton 1932-3-27 1968 Los Angeles San Dimas Canyon; San Gabriel Mts Comment
  RSA733427  Cystopteris fragilis R. G. Swinney, Dave Larson 1999-6-25 7395 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
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Mar 14 2010
  RSA586974  Cystopteris fragilis Orlando Mistretta, Steve Boyd 1995-5-23 1715 Los Angeles San Gabriel Mtns, Bare Mtn Canyon, W side tributary drainage NE of Pacifico Mtn. 1784 Comment
  SBBG32105  Dactylis glomerata R. F. Thorne 1966-6-1 36487 Los Angeles former lawn of razed St. Catherine's Hotel N of Avalon 4 Comment
  RSA431665  Datisca glomerata Louis Greata 1900-08 s.n. Los Angeles Arroyo Seco, Pasadena Comment
  UC56498  Daucus pusillus H. M. Hall 1902-5-10 3231 Los Angeles Chatsworth Hills Comment
  LA203718  Deinandra fasciculata A. M. Johnson; 1934-5-4 4482 Los Angeles Santa Catalina Island, S side, near isthmus Comment
  SBBG90430  Deinandra fasciculata M. C. Hochberg 1985-4-7 1210 Los Angeles Little Springs Cyn 243 Comment
  UC166692  Deinandra fasciculata George B. Grant 1906-9-1 7165 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC299291  Deinandra fasciculata Grant 1901-9-1 1694 Los Angeles Redondo Comment
  CAS-BOT-BC299293  Deinandra fasciculata James I. McMurphy 1916-8-7 s.n. Los Angeles Los Angeles side of Liebre Pass Comment
  CAS-BOT-BC299312  Deinandra fasciculata D. D. Keck 1930-6-11 A- 32 Los Angeles Stanford University glasshouse Comment
  UCR272850  Delphinium glaucum R. G. Swinney 2011-7-29 15560 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA0088146  Delphinium parishii R. G. Swinney 2010-6-1 13091 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  CAS-BOT-BC7969  Delphinium parishii subsp. parishii R. S. Woglum 1935-5-6 730 Los Angeles Palmdale Comment
  POM6584  Delphinium parishii subsp. parishii W. R. Dudley, F. H. Lamb 1896-06 4350 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA599473  Delphinium parryi Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9491 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat', a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCR140168  Delphinium parryi A. C. Sanders 2003-4-29 26172 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  RSA0034988  Delphinium parryi Lee Haines 1935-7-4 s.n. Los Angeles Little Dalton Canyon, San Gabriel Mts. Comment
  UC535617  Delphinium parryi subsp. maritimum Ira W. Clokey, B. Templeton May 1929 4555 Los Angeles ridge Santa Monica Mountains, Mandeville Canyon 500 Comment
  RSA758068  Delphinium parryi subsp. parryi D. E. Bramlet, Jennifer Pareti 2008-5-6 4254 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. and 1.61km N of Plum Cyn. 482 Comment
  RSA584620  Delphinium patens subsp. hepaticoideum Tim S. Ross, S. D. Boyd 1991-4-25 4611 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA0092163  Delphinium patens subsp. montanum R. G. Swinney 2011-5-26 14846 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. 1061 Comment
  CATA2535  Delphinium variegatum subsp. kinkiense Howard L. Ferguson 1980-4-16 169 Los Angeles San Clemente Island: Just N of Jack 182 Comment
  LA94797  Dendromecon rigida Frank Almeda; Kei Nakai 1976-4-5 TCSP 7 76 Los Angeles Santa Monica Mountains, Santa Ynez Canyon 213 Comment
  RSA582770  Dendromecon rigida Tim S. Ross, S. D. Boyd 1993-5-23 7224 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  UCSB72076  Dendromecon rigida Partsch, M. 1977-3-4 Los Angeles On north side of Mulholland Drive, 8.3 mi. West of junction with San Diego Fwy (I-405) Santa Monica Mtns. 762 Comment
  POM265  Dendromecon rigida subsp. rigida J. F. Illingworth 1898-04 5 Los Angeles Claremont. 366 Comment
  UCR209956  Deschampsia danthonioides R. G. Swinney 2008-7-24 9336 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  HSC6711  Descurainia pinnata C. E. Fellows 1965-4-19 19 Los Angeles Community of Llano, SW corner at intersection of Hwy. 138 and Victorville cutoff; high, S Mojave Desert Comment
  UCR184538  Descurainia pinnata A. C. Sanders, T. B. Salvato 2007-4-24 33509 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  CAS-BOT-BC43169  Descurainia pinnata subsp. brachycarpa Carl B. Wolf 1928-3-29 1544 Los Angeles Foothills at south side of Antelope Valley, 2 miles south of Neenach. 1066 Comment
  RSA0115405  Dicentra chrysantha R. G. Swinney 2010-5-29 13243 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  RSA433530  Dicentra chrysantha Gale Sphon 1959-5-9 334 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  RSA597569  Dicentra chrysantha Tim S. Ross 1990-6-22 3761 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  RSA0094552  Dichelostemma capitatum Richard G. Swinney 2011-6-6 15005 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UC843601  Dichelostemma capitatum C. F. Baker 1904-4-22 4764 Los Angeles Monrovia Comment
  UCR213371  Dichelostemma capitatum Dan S. Cooper 2010-3-29 20100312- 16 A Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC499444  Dichelostemma capitatum R. M. Beauchamp 1967-1-28 144 Los Angeles Growing on slope west of the main road below Stone., San Clemente Island, Comment
  RSA592477  Dichelostemma capitatum subsp. capitatum Mark Haefs 1973-3-13 66 Los Angeles Santa Catalina Island: in upper Avalon Canyon, east of cactus area; west exp. 183 Comment
  RSA712708  Dichelostemma capitatum subsp. capitatum A. C. Sanders 2003-3-14 25755 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
  RSA376856  Dichelostemma capitatum subsp. capitatum Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA527649  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4368 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA599351  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Morgan Canyon at Ferguson Motorway. 457 Comment
  CAS-BOT-BC209062  Digitaria sanguinalis Peter H. Raven; Henry J. Thompson 1959-9-18 14440 Los Angeles Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles - Santa Monica Mountains 76 Comment
  UCD64080  Digitaria sanguinalis Ernest C. Twisselmann 1970-10-17 17548 Los Angeles Antelope Valley: Gorman Highway 5 miles W of Highway 14. 1005 Comment
  CAS-BOT-BC153189  Diplacus johnstonii LeRoy Abrams 1902-6-30 2588 Los Angeles Summit of Mt. Wilson Comment
  CHSC102904  Diplacus longiflorus L. P. Janeway 2009-5-15 9784 Los Angeles Peninsular Ranges. North slope of Puente Hills; Shabarum Regional County Park, along Shabarum Trail; 1.7 air km south-southwest of the junction of S. Azuza Ave and Colima Road. 342 Comment
  CAS-BOT-BC412626  Dodecahema leptoceras Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  UCR17578  Dodecatheon clevelandii George B. Grant 1904-1 304 Los Angeles San Gabriel Valley, City of Pasadena Comment
  UCR181013  Dodecatheon clevelandii R. G. Swinney 1997-2-8 5405 Los Angeles San Gabriel Mtns., Fish Canyon, near the mouth of the San Gabriel River on Azusa-Duarte boundary, c. 1 mile north of trailhead in canyon 366 Comment
  POM11172  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mts. Pairire Fork of the San Gabriel River marshy ground in a small side canyon 2134 Comment
  RSA641077  Dodecatheon redolens Orlando Mistretta 1995-7-12 1925 Los Angeles San Gabriel Mountains: Angeles Crest Highway, 2 miles west of Dawson Saddle. 2317 Comment
  RSA654216  Draba corrugata var. corrugata Valerie L. Soza, LeRoy Gross 2000-5-23 952 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail 2377 Comment
  UCR282210  Draba cuneifolia Gary Hans 2015-2-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south of 'one-mile tree 281 Comment
  UCR99434  Drymocallis glandulosa var. reflexa R. G. Swinney 1995-9-4 4499 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  UC1063778  Dryopteris arguta F. H. Raymond 1930-1-29 41 Los Angeles Santa Ynez Canyon; Calabasas Quadrangle 213 Comment
  UCR170619  Dryopteris arguta Alex R. Van Dam 2004-4-25 051 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR259374  Dryopteris arguta R. G. Swinney 2010-8-26 13586 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA657929  Dudleya F. R. Fosberg 1980-6-2 25 Los Angeles Verdugo Mountains Region: 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  CAS-BOT-BC428049  Dudleya cymosa subsp. crebrifolia K. Nakai 1978-4-23 361 Los Angeles San Gabriel Mountains, Fish Canyon, ca. 1.2 km up canyon 300 Comment
  POM220650  Dudleya densiflora L. C. Wheeler 1932-6-26 876 Los Angeles San Gabriel Canyon 335 Comment
  UC205231  Dudleya hassei R. L. Pendleton 1909-7-2 1356 Los Angeles rd to e Avalon; Santa Catalina Island 9 Comment
  CAS-BOT-BC411383  Dudleya lanceolata Geo. B. Grant 1902-5-27 s.n. Los Angeles Little Santa Anita Canyon 609 Comment
  UCR275008  Dudleya lanceolata Michael Honer, Rachel Woodard 2006-4-21 2220 Los Angeles Tehachapi Mountains area:, Slopes above Oso Canyon; c. 2 miles north of Quail Lake; 1.2 miles west of cement plant rd. 1006 Comment
  RSA83353  Dudleya virens F. W. Peirson 1923-4-9 3487 Los Angeles San Clemente Island: at Middle Ranch Comment
  UCD98554  Dysphania ambrosioides Francis Ball 1948-5-15 s.n. Los Angeles Alley behind 3601 Jasmine Ave., Los Angeles 34. Comment
  RSA0116568  Dysphania botrys R. G. Swinney 2010-9-30 13944 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR273587  Dysphania botrys R. G. Swinney 2011-10-25 15886 Los Angeles San Gabriel Mountains, south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39 1006 Comment
  CHSC3692  Dysphania multifida M. MacArthur 1966-5-12 16 Los Angeles San Rafael Hills- Glendale College. 213 Comment
  CDA2014  Echinochloa crus-galli L. C. Wheeler 1966-10-25 9060 Los Angeles San Gabriel Mountains; 1/4 mile north of El Encanto, San Gabriel Canyon. 0 Comment
  RSA598661  Echinochloa crus-galli L. C. Wheeler 1966-11-23 9142 Los Angeles Cogswell Reservoir, West Fork San Gabriel River. Comment
  RSA311435  Echinodorus berteroi Conrad Schlum 1976-7-6 s.n. Los Angeles Puddingstone Lake, Bonnelli Park, San Dimas. Comment
  NY786018  Elaeagnus angustifolia T. S. Ross 1990-6-18 3496 Los Angeles San Gabriel Mountains. Big Pines Highway, ca. 900 m ESE from Jackson Lake, just on the W side of upper Mescal Creek drainage 1877.6 Comment
  SD215477  Elaeagnus angustifolia Timothy S. Ross, Steve Boyd 1990-6-18 3496 Los Angeles Big Pines Highway: Roadside circa 900meter East-southeast from Jackson Lake, just on the West side of upper Mescal Creek drainage. 1876 Comment
  UCR177769  Elymus condensatus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 399 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  CDA31722  Elymus elymoides subsp. elymoides Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 mile northeast Vincent Comment
  RSA0098771  Elymus elymoides subsp. elymoides R. G. Swinney 2011-7-8 15487 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR194026  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  RSA230745  Elymus glaucus subsp. glaucus R. F. Thorne, M. Z. Thorne 1969-7-9 38508 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  RSA0011222  Elymus glaucus subsp. glaucus A. J. Cook 1900-5-22 119 Los Angeles Canyon near Claremont Comment
  UCR264435  Elymus multiflorus Michael Honer, Rachel Woodard 2006-4-26 2231 Los Angeles Tehachapi Mountains area, C. 1 mile NE of Quail Lake; 1/2 mi. east of aqueduct and 1.5 mi. north of Hwy 138 1006 Comment
  RSA279059A  Emex spinosa E. A. Dudley 1951-5-15 s.n. Los Angeles End of River Lane, just north of Santiago Creek and east of Flower St., Santa Ana. Comment
  RSA401551  Emmenanthe penduliflora Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 200 Comment
  UC24039  Emmenanthe penduliflora J. Burtt Davy May 9 1896-May 24 1896 2638 Los Angeles Leonis Valley; Antelope Valley Comment
  SEINET13203258 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 14609 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  UCR223074  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CAS-BOT-BC131207  Encelia californica Catherine A. Toschi 1963-4-5 63 :99 Los Angeles 4 miles northwest Topanga 304 Comment
  JEPS26148  Encelia californica Peter H. Raven 1959-5-3 14095 Los Angeles 0.3 mi e of Laurel Pass (Woodrow Wilson Drive); Santa Monica Mountains, Laurel Pass 350 Comment
  RSA545251  Encelia californica D. Propst, Mark Hoefs 1973-3-3 44 Los Angeles Road just above Escondido, Santa Catalina Island. 244 Comment
  SBBG11600  Encelia californica P. H. Raven 1962-5-9 17659 Los Angeles rd just N of Guds 249 Comment
  POM122344  Endolepis covillei Marcus E. Jones 1924-9-14 s.n. Los Angeles Lancaster. Comment
  LA6811  Ephedra nevadensis Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  RSA639169  Ephedra nevadensis L. C. Wheeler 1967-5-31 9797 Los Angeles San Gabriel Mountains: Just over the rise immediately west of Caldwell Lake. . Comment
  SBBG7  Ephedra nevadensis R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA383847  Ephedra viridis L. E. Hoffman 1931-11-28 s.n. Los Angeles Angeles National Forest: Holcomb Creek. Comment
  UC1584232  Ephedra viridis Tim Ross and Steve Boyd 1990-6-6 2874 Los Angeles on the scree slopes to the sw of Piru Pond (Liebre Mtn USGS 7.5 ft quadrangle, Los Padres National Forest (admin. by Angeles N. F.)); Los Padres National Forest, Liebre Mtn USGS quadrangle, Piru 644 Comment
  UC1928582  Ephedra viridis Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 05050 110 Los Angeles Transverse Ranges; San Gabriel Mountains region; N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UCSB9568  Ephedra viridis Wedberg, H. 1957-4-19 Los Angeles E. of Pearblossom, Hwy. 138 Comment
  UCR193168  Epilobium R. G. Swinney 1999-8-14 7627 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  RSA72136  Epilobium angustifolium subsp. circumvagum F. W. Peirson 1921-7-17 2506 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2134 Comment
  CAS-BOT-BC166216  Epilobium canum subsp. canum June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Islands - Summit Comment
  CAS-BOT-BC166276  Epilobium canum subsp. canum J. Ewan 1929-9-21 3485 Los Angeles Millards Canyon, 4 mi above falls, San Gabriel Mts. 1158 Comment
  RSA544534  Epilobium canum subsp. canum Tim S. Ross, E. Kellogg 1992-4-22 6131 Los Angeles San Clemente Island; 99 E, 640m distance from Vista (point), near the head of Grove Canyon. 419 Comment
  UCR277200  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA618687  Epilobium ciliatum subsp. ciliatum LeRoy Gross 1998-9-20 79 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland. 366 Comment
  SEINET9081497 Image available Epilobium ciliatum subsp. ciliatum R. F. Thorne, M. Z. Thorne 1969-1 38416 Los Angeles San Gabriel Mts., Angeles National Forest: Moist sandy flat along stream just E of Holiday Hill Ski area, Swarthout Valley 1996 Comment
  POM247923  Epilobium ciliatum subsp. glandulosum Joseph A. Ewan 1936-8-8 9991 Los Angeles Swartout Valley. 1905 Comment
  RSA794746  Epilobium glaberrimum Jane Tirrell 2012-7-20 LS 0117 Los Angeles San Gabriel Mts region: South side of California State Route 2; east bank of drainage at mile marker 66.82. 2245 Comment
  RSA600429  Epilobium paniculatum Louis C. Wheeler 1932-9-14 1383 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 183 Comment
  RSA381695  Epipactis gigantea George Henry Grinnell 1923-5-30 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA381712  Epipactis gigantea Thekla Mohr 1897-06 s.n. Los Angeles Sierra Madre. Comment
  UCR277005  Epipactis gigantea R. G. Swinney 2010-9-30 13905 Los Angeles San Gabriel Mountains, 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs 2290 Comment
  RSA603782  Equisetum arvense L. C. Wheeler 1948-6-13 6650 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon. 944 Comment
  RSA684666  Equisetum hyemale var. affine Geo C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA639605  Equisetum hyemale var. affine L. C. Wheeler 1932-7-2 890 Los Angeles San Dimas Canyon, San Gabriel Mts. 457 Comment
  UCR95725  Equisetum laevigatum Steve Boyd, V. Soza, V. Jotikasthira, L. Raz 1996-7-11 8921 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon 549 Comment
  UCSB8210  Equisetum laevigatum Crum, Charles 1958-7-3 Los Angeles Crystal Lake roadside, near Los Angeles. 121 Comment
  RSA650201  Equisetum laevigatum Leonard Brown 1948-5-12 s.n. Los Angeles Found at San Dimas Dam on the north end up from the banks of the San Dimas River about a 1/2 mile from the Delta that the river forms as it empties into the dam. 365 Comment
  SEINET3154659  Equisetum telmateia L. Abrams 1902-6-12 2531 Los Angeles Ballona Creek, near Mesmer Comment
  RSA155829  Equisetum telmateia var. braunii Peter H. Raven 1962-5-22 17845 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  RSA684713  Equisetum telmateia var. braunii Freda Detmers 1928-10-17 s.n. Los Angeles Verdugo woodland. Comment
  POM6320  Equisetum telmateia var. braunii L. S, G. W 1919-5-10 2756 Los Angeles Near Bessett 89 Comment
  RSA756985  Eragrostis A. C. Sanders 2009-11-6 37214 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR270862  Eragrostis R. G. Swinney 2011-6-30 15383 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  CAS-BOT-BC284132  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1970-10-17 17546 Los Angeles Antelope Valley, Gorman Highway 5 miles west of Highway 14, Mojave Desert 1005 Comment
  RSA578718  Eremalche exilis Tim S. Ross, J. Mark Porter 1994-5-1 7575 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG126939  Eremogone macradenia var. macradenia A. Parikh, N. Gale 2011-6-6 3418 Los Angeles 5 km W of St Hwy 14, 1.6 km SW of California Aqueduct; E Liebre Mtns 1063 Comment
  SEINET12278715  Eriastrum densifolium J. F. Bright, Wyman, C. 1932-1 7964 Los Angeles Hollywood Comment
  RSA0107782  Eriastrum densifolium subsp. austromontanum Mark Brunell 1993-7-14 136 Los Angeles Western San Gabriel Mtns.: southern mouth of Bee Canyon, ca. 250m SW of Antelope Valley Fwy (Hwy14), immediately adjacent to north side of Soledad Canyon Road and further up wash several hundred meters. Comment
  JEPS9645  Eriastrum sapphirinum Ira W. Clokey, B. Templeton May 1929 4549 Los Angeles Mandeville Canyon; Santa Monica Mountains 350 Comment
  UC133883  Eriastrum sapphirinum Katharine Brandegee June 1888 Los Angeles Lancaster Comment
  RSA0110990  Eriastrum sapphirinum subsp. brevibracteatum J. R. Shevock 1971-5-11 1054 Los Angeles Near Soledad Jct; Sierra Hwy 396 Comment
  RSA0122871  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2005-5-24 30279 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, ca. 0.5 mi NW of community of Mint Canyon. 549 Comment
  RSA0122875  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2009-5-29 37052 Los Angeles San Gabriel Valley: Irwindale on W side of Santa Fe Dam, W edge of the 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam. 130 Comment
  CAS-BOT-BC514983  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 2262 Los Angeles Little Tujunga Wash, 0.5 mi above the bridge on the road from Sunland to San Fernando 335 Comment
  RSA0124686  Eriastrum sparsiflorum Valerie L. Soza, S. D. Boyd 1999-7-28 639 Los Angeles Liebre Mountains: Alongside road to Burnt Peak, 1.9 miles from gate off road 7N23. 1676 Comment
  SBBG44377  Eriastrum sparsiflorum G. Sphon, D. Hearn 1956-5-30 15 Los Angeles Black Butte Comment
  UCR186902  Ericameria cooperi A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32018 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR277221  Ericameria cooperi R. G. Swinney 2010-6-1 13171 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
  RSA0105980  Ericameria cuneata R. G. Swinney 2011-11-1 15976 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 70-200 meters west (upstream) from confluence with North Fork, south side of FS Rd 2N25/W. Fork Scenic Bikeway. 476 Comment
  CHSC26105  Ericameria linearifolia Emese M. Sajo 1966-5-21 97 Los Angeles On the Silver Moccasin Trail between Charton and Chilao in the San Gabriel Mountains. 1615 Comment
  JEPS31362  Ericameria linearifolia W. L. Jepson 1939-4-21 19241 Los Angeles Neenach School near Yucca Grove; western Mojave Desert, Antelope Valley 914 Comment
  SEINET7063577  Ericameria linearifolia A. G. Vestal 1947-4-8 s.n. Los Angeles Along Big Pines Highway between Littlerock and Big Pines. San Andrea Rift Zone. UTM Zone 11, 425494mE, 3810192mN. (WGS84/NAD83). 1401 Comment
  UC1118767  Ericameria linearifolia R. St. John 1930-2-28 105 Los Angeles Gorman Tejon Quadrangle 1310 Comment
  SD11856  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley, 1 mile east of Wrightwood Lodge, San Gabriel Mountains 1830 Comment
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Jul 4 2013
  CAS-BOT-BC299509  Ericameria palmeri var. pachylepis J. Q. Adams 1905-10-1 s.n. Los Angeles Soldiers Home Comment
  UCR231384  Ericameria palmeri var. pachylepis Dan S. Cooper 2011-10-10 1011- 119 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Western Canyon, vicinity of '1 mile Tree 269 Comment
  POM4762  Ericameria parishii var. parishii I. M. Johnston 1918-9-1 2150 Los Angeles Evey Canyon (fire break) 1219 Comment
  RSA0115401  Ericameria parryi R. G. Swinney 2010-9-23 13887 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  OBI64702  Ericameria parryi var. aspera Scott D. White 2004-8-11 10698 Los Angeles San Gabriel mtns. about 8 air mi WNW of Wrightwood. East of Fenner Saddle Rd on Pacific Crest trail Comment
  CAS-BOT-BC293033  Ericameria parryi var. parryi Bunch; Baily 1974-8-15 0519 Los Angeles West edge of site, south of Honor Camp ent. Comment
  CAS-BOT-BC293151  Ericameria pinifolia John Thomas Howell 1927-10-16 3150 Los Angeles On the trail between Santa Anita Canon [Canyon] and Sierra Madra [Madre], San Gabriel Mts. Comment
  POM359462  Ericameria pinifolia Fordyce Grinnell Jr. 1911-06 s.n. Los Angeles Longs Canyon, San Gabriel Mts. Comment
  POM4764  Ericameria pinifolia L. R. Abrams 1916-10-30 6377 Los Angeles Near Azusa. Comment
  RSA16811  Ericameria pinifolia C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile E of Pacoima Creek Bridge on the Tujunga to San Fernando Road. 366 Comment
  UCR260790  Ericameria pinifolia R. G. Swinney 2010-2-27 11732 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
  UCSB6731  Ericameria pinifolia Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon; San Gabriel Mountain Range 1036 Comment
  CAS-BOT-BC293348  Ericameria teretifolia C. B. Wolf 1931-11-2 2505 -A Los Angeles Mint Canyon, 1 mile above point where the road from Acton joins the Highway 975 Comment
  CAS-BOT-BC293350  Ericameria teretifolia C. B. Wolf 1931-11-2 2505 Los Angeles Mint Canyon, 1 mile above where road from Acton joins the Highway 975 Comment
  RSA300650  Erigeron breweri var. jacinteus J. R. Shevock 1974-10-5 3873 Los Angeles at the summit of Mt. Baden-Powell on the southern side of the peak. San Gabriel Mountains. Angeles National Forest. 2864 Comment
  RSA774882  Erigeron foliosus Dan S. Cooper 2007-6-8 s.n. Los Angeles Brush Canyon, Griffith Park. Comment
  RSA330817  Erigeron foliosus var. foliosus Wayne E. Sawyer 1981-7-24 106 Los Angeles Junction of crest trail and trail to Crystal Lake area 0.15 mi. S of Little Jimmy Spring 2301 Comment
  UCR281719  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-27 s.n. Los Angeles Palos Verdes Peninsula, George F. Trail, east of Portuguese Bend Rd. 332 Comment
  SBBG117043  Erigeron foliosus var. stenophyllus S. A. Junak 2001-5-4 SCa 1483 Los Angeles S of Parson's Landing 103 Comment
  POM357477  Erigeron foliosus var. stenophyllus Robert Gustafson 1978-6-21 1026 Los Angeles Lower Hungry Valley, near the Canada de Los Alamos, about 4 mi. south of Gorman. 915 Comment
  POM357559  Erigeron philadelphicus Anstruther Davidson 1890-05 2017 Los Angeles San Gabriel [River] near El Monte Comment
  CHSC14154  Eriodictyon crassifolium L. M. Mayer 1974-4-5 121 Los Angeles On Big Tujunga Canyon Rd. ca 1/2 mi ne of its junction with Mt. Gleason Blvd. Comment
  SEINET8731333 Image available Eriodictyon crassifolium Kay H. Beach 1943-1 1743 Los Angeles Upper part of Lewis Paul Canyon on Woods Trail. San Gabriel Mts. Comment
  RSA253133  Eriodictyon traskiae Gary D. Wallace, M. Haefs 1975-3-23 1409 Los Angeles Santa Catalina Island above road from Avalon ca. 1/8 mi. S of Haypress Reservoir. 412 Comment
  CATA3111  Eriodictyon traskiae subsp. traskiae Amy Catalano 2016-5-20 114 Los Angeles Santa Catalina Island: Northwest end of bank below Lower Cape Canyon Reservoir 201 Comment
  SFV21164  Eriodictyon trichocalyx var. trichocalyx J. N. Hogue 2007-6-21 295 .1 Los Angeles San Gabriel Mountains Along Sulphur Springs Road near Horse Flats Campground. 1765 Comment
  CAS-BOT-BC248479  Eriogonum angulosum A. D. E. Elmer 1902-6-1 3678 Los Angeles Acton Comment
  UCR249000  Eriogonum angulosum Elizabeth A. Kempton, Eric Paul 2006-6-11 386 Los Angeles San Gabriel Mountains, Tick Canyon, unpaved road planned for development [Green Court Drive] 538 Comment
  RSA203443  Eriogonum baileyi var. baileyi E. C. Twisselmann 1955-8-10 2331 Los Angeles Upper Castaic Valley. 1227 Comment
  UCSC011210  Eriogonum brachyanthum Adam Searcy 2015-7-24 70 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA393105  Eriogonum brachyanthum Anstruther Davidson 1901-9-1 1878 Los Angeles Little Rock Creek. Comment
  LA30849  Eriogonum cinereum Peter H. Raven; Jane Turner, Barbara Whitesel 1959-2-23 C 134 Los Angeles Santa Monica Mountains, Latigo Canyon, unspecific location Comment
  LA52301  Eriogonum cinereum Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CAS-BOT-BC242762  Eriogonum davidsonii John Thomas Howell 1947-7-18 23408 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  JEPS56706  Eriogonum davidsonii Frank W. Peirson 1918-6-30 18 Los Angeles summit Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  OBI44785  Eriogonum davidsonii David J. Keil, V. L. Holland, Michael Stiles, 1987-5-1 20041 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA776521  Eriogonum davidsonii Jane Tirrell, Graham Bothwell 2011-7-25 LS- 33 Los Angeles On crest of ridge, approximately 0.5 mile east of Windy Gap. 2434 Comment
  SD215614  Eriogonum davidsonii Timothy S. Ross, Steve Boyd and Peter W. Fritsch 1990-6-11 3384 Los Angeles Joshua Tree Campground on the southwest side of Little Rock Reservoir. Comment
  UC1595359  Eriogonum davidsonii Tim Ross, Steve Boyd 1990-6-18 3460 Los Angeles northerly draw draining to Jackson Lake Jackson Lake; San Gabriel Mtns., Camp Verdugo Pines and vicinity, Mescal C 1877 Comment
  CAS-BOT-BC242779  Eriogonum davidsonii R. J. Dobbs 1927-6-29 7680 Los Angeles Trail to Strawberry Peak, 2 1/2 miles from Switzers 1127 Comment
  SDSU6580  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside the Topanga Canyon Blvd, in Topanga Canyon Comment
  RSA0098363  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains: confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UC472146  Eriogonum elongatum var. elongatum J. Ewan 1931-10-11 5244 Los Angeles n, on Sepulveda Canyon Rd. Mulholland; Santa Monica Mts. Comment
  SDSU6546  Eriogonum fasciculatum H. Wedberg 1966-4-3 1210 Los Angeles Above Hill Dr. and Neal, i nEagle Rock. 457 Comment
  CAS-BOT-BC253204  Eriogonum fasciculatum var. fasciculatum Lewis S. Rose 1946-7-21 46221 Los Angeles N. end of Hollywood Reservoir 228 Comment
  CAS-BOT-BC253258  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-9-20 8228 Los Angeles Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road, Liebre Mountains 902 Comment
  POM279961  Eriogonum fasciculatum var. foliolosum Lyman Benson 1933-11-12 5731 Los Angeles Westwood, Beverly Hills. 122 Comment
  POM306179  Eriogonum fasciculatum var. foliolosum Henry J. Ramsey, Henry J. Ramsey 1937-9-2 s.n. Los Angeles Angeles Crest Highway: Johnny Canyon. Comment
  RSA19624  Eriogonum fasciculatum var. foliolosum I. W. Clokey, Bonnie C. Templeton 1929-06 4578 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA226167  Eriogonum fasciculatum var. foliolosum Gary D. Cromwell, David W. Wheat 1971-5-14 666 Los Angeles San Gabriel Mountians, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora 419 Comment
  RSA630262  Eriogonum fasciculatum var. foliolosum Scott D. White, Dave Bramlet 1998-8-11 7029 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA607920  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1961-6-13 7872 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  UCR142540  Eriogonum fasciculatum var. polifolium L. C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, Devil's Canyon 1433 Comment
  UC412791  Eriogonum giganteum R. L. Pendleton 1909-7-2 1354 Los Angeles road e Avalon; Santa Catalina Id. 9 Comment
  SD66861  Eriogonum giganteum var. formosum R. Mitchell Beauchamp 1967-3-17 256 Los Angeles edge of sea bluff, east of Date 2, San Clemente Island Comment
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Jun 18 2014
  CHSC34583  Eriogonum gracile James Henrickson 1972-11-2 8088 Los Angeles 4 mi. N. of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Rd. In agricultural field. 371 Comment
  PASA1486  Eriogonum gracillimum 1926-5-30 Los Angeles Mohave Desert Comment
  CAS-BOT-BC261178  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-8-11 4009 Los Angeles Big Rock Creek, 1/8 mi. below Big Rock Ranger Station, desert slope of San Gabriel Mts. 1066 Comment
  RSA607389  Eriogonum hirtiflorum Louis C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mountains; Devil's Canyon. 1433 Comment
  UCR270496  Eriogonum hirtiflorum R. G. Swinney 2011-6-15 15164 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SBBG125879  Eriogonum inflatum A. Parikh, N. Gale 2010-6-8 3265 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.4 km NW of State Hwy 14; E Liebre Mtns 1190 Comment
  UCR252695  Eriogonum maculatum Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  UCR281166  Eriogonum maculatum R. G. Swinney 2014-4-23 16182 Los Angeles San Gabriel Mountains, east of Valyermo, Holcomb Ridge, 0.18-0.32 miles north of Bob's Gap Rd., 1.04 air-miles west of Bob's Gap 1302 Comment
  UCR277224  Eriogonum pusillum R. G. Swinney 2011-4-19 14400 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  JEPS56481  Eriogonum pusillum Dr. A. Davidson 1899-1-1 Los Angeles Lancaster Mojave Desert, Lancaster Comment
  SBBG65435  Eriogonum reniforme R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR266797  Eriogonum roseum Mitch Provance, Scott Duff 2015-11-9 1115- 07 Los Angeles Antelope Valley, Del Sur, SCE transmission route about 8 miles W of Lancaster, c. 0.5 miles NNW of W Avenue J and 100th St. W 733 Comment
  CAS-BOT-BC267615  Eriogonum saxatile Geo. B. Grant 1906-6-19 6915 Los Angeles Summit Mt. Wilson 1828 Comment
  JEPS56302  Eriogonum saxatile F. R. Fosberg and J. Ewan 1931-8-12 4922 Los Angeles n slope Mount Islip Mount Islip 2438 Comment
  RSA530064  Eriogonum saxatile Tim S. Ross 1991-8-16 5858 Los Angeles San Gabriel Mountains, Horse Flats. 1721 Comment
  UC1375429  Eriogonum saxatile Robert F. Thorne 1969-7-2 38301 Los Angeles 3.2 mi wsw along Angeles Crest Hwy. Cloudburst Summit; San Gabriel Mts, Angeles National Forest 1981 Comment
  RSA250558  Eriogonum saxatile Robert F. Thorne, John Dourley 1967-10-3 37274 Los Angeles Mt. Baden Powell; N slope at Vincent Gap; on dry open steep talus slopes. 2287 Comment
  UCR147558  Eriogonum umbellatum var. minus Naomi Fraga, Sarah De Groot, Paul Morton, Aydee Virgen 2004-7-28 1317 Los Angeles Transverse Ranges; San Gabriel Mountains region, Summit of Cucamonga Peak 2701 Comment
  UCR231909  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8038 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment
  RSA0103917  Eriogonum wrightii subsp. subscaposum Richard G. Swinney 2011-10-10 15758 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. 1537 Comment
  RSA760601  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  CAS-BOT-BC297950  Eriophyllum confertiflorum LeRoy Abrams 1902-6-30 2601 Los Angeles Near the summit of Mt Wilson Comment
  POM147460  Eriophyllum confertiflorum Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA660807  Eriophyllum confertiflorum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 6 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  SD186084  Eriophyllum confertiflorum A. C. Sanders, Mark A. Elvin 2003-6-18 26949 Los Angeles Santa Susan Mountains; northwest of head of Sulphur Canyon. 1036 Comment
  SFV6205  Eriophyllum confertiflorum R. M. Muran 1974-4-26 82 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  UCD132101  Eriophyllum confertiflorum J. Sauer; W. Hansis 1975-5-3 5655 Los Angeles Tuna Canyon, western Santa Monica Mountains. Comment
  UCR152888  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  LA203578  Eriophyllum confertiflorum var. confertiflorum Carl Epling; Louis Wheeler 1933-6-4 1852 Los Angeles near summit, Ridge Route 1523 Comment
  LA31655  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven; 1959-5-3 14088 Los Angeles Santa Monica Mountains, 1.6 mi W of Cahuenga Pass on Woodrow Wilson Dr 304 Comment
  RSA669153  Eriophyllum confertiflorum var. confertiflorum LeRoy Gross, Naomi Fraga 2002-4-4 506 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road,, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 554 Comment
  SBBG45063  Eriophyllum confertiflorum var. confertiflorum C. B. Wolf 1928-5-11 2181 Los Angeles S base of Newhall grade Comment
  SBBG61058  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1925-5-17 Los Angeles Ridge Route (US Hwy 99) Comment
  RSA660479  Eriophyllum confertiflorum var. confertiflorum Steve Teh 1994-5-20 30 Los Angeles Modjeska Grade rd. 1 mile back on fire road. Comment
  CAS-BOT-BC308351  Eriophyllum nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4280 Los Angeles Lower half of China Canyon, S end of island, W side, San Clemente Island Comment
  CAS-BOT-BC308353  Eriophyllum nevinii E. R. Blakley 1961-10-21 4797 Los Angeles Cliff break west of Arched Point, north side of island, Santa Barbara Island 106 Comment
  SBBG44369  Eriophyllum pringlei Gale Sphon, Diane Hearn 1956-5-30 6 Los Angeles Black Butte Comment
  UC566746  Eriophyllum pringlei H. L. Mason 1926-4-26 2997 Los Angeles 1 mi e Palmdale Comment
  UCR194842  Eriophyllum pringlei R. G. Swinney 1999-5-1 7093 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  RSA596166  Eriophyllum wallacei L. C. Wheeler 1967-5-12 9455 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  CAS-BOT-BC296961  Eriophyllum wallacei James Henrickson 1965-4-22 1909 Los Angeles Mojave Desert; near Hy. 138, 2 miles north of county line: ca 20 miles SW of Victorville 1066 Comment
  CAS-BOT-BC296963  Eriophyllum wallacei Frank W. Peirson 1919-5-9 1391 Los Angeles Arraster Creek, San Gabriel Mts. 838 Comment
  UCR151011  Erodium botrys Scott D. White 1997-5-7 5067 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA0088789  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Janet Takara 1998-3-22 SCa- 508 Los Angeles Santa Catalina Island: Next to isolated campsite at SE end of Little Harbor Campground. 36 Comment
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  UCR272544  Erodium cicutarium R. G. Swinney 2011-5-6 14583 Los Angeles San Gabriel Mountains, north of Glendora, Glendora Mountain summit along old fire break 1013 Comment
  LA85129  Erysimum capitatum var. capitatum O. H. Kappler; 1946-4-13 1130 Los Angeles San Gabriel Mountains, Mint Canyon 761 Comment
  RSA226179  Erysimum capitatum var. capitatum Gary D. Cromwell 1971-4-16 521 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA609615  Erysimum suffrutescens L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  RSA66160  Erysimum suffrutescens F. W. Peirson 1922-1-5 1904 Los Angeles Hermosa Beach Comment
  UCR137717  Erysimum suffrutescens L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  SD37718  Erythranthe guttata Edith A. Purer 1935-5-11 6575 Los Angeles Moist edge of stream, Malibou Lodge Road, Santa Monica Mountains Comment
  RSA433637  Eschscholzia caespitosa Edwin Kline 1925-4-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mountains. Comment
  UC10050  Eschscholzia californica J. H. Barber 1897-6-25 181 Los Angeles above Lang; Soledad Canyon Comment
  UC56739  Eschscholzia californica H. M. Hall 1902-5-1 3046 Los Angeles near Palmdale; Antelope Valley 762 Comment
  UCSB11264  Eschscholzia californica Hancock, Dan 1961-3-31 Los Angeles 1 mi. SE of Middle Ranch on Blackjack Rd, on Catalina Island Comment
  POM183617  Eschscholzia californica var. peninsularis J. Ewan 1929-5-4 3466 Los Angeles 1 mile from mouth of Santa Ynez Canyon, Santa Monica Mts. Comment
  SD90477  Eschscholzia ramosa Robert F. Thorne 1973-4-12 42937 Los Angeles San Clemente Island; Pyramid Cove at south end of island near small point between Triton and Thresher. 6 Comment
  SD181447  Eucalyptus camaldulensis LeRoy Gross 2003-1-26 689 Los Angeles San Fernando Valley: Haines Canyon Channel in Big Tujunga Wash, south front of the San Gabriel Mountains, east of Foothill Blvd., south side of wash 366 Comment
  CHSC95339  Eucalyptus sideroxylon LeRoy Gross; Steve Larson, Valerie Soza 2001-5-31 387 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southeast side. Dead Horse Canyon, along road (Heather Ridge Dr.) 335 Comment
  RSA656247  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph M. Keefe 1977-3-2 20745 Los Angeles Verdugo Mountains, Glendale, along Deer Creek, 0.5 Km west of Masinter Debris Dam, west of Oakmont Country Club. 396 Comment
  UCR193636  Euphorbia A. C. Sanders 2008-7-10 35736 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
  RSA774745  Euphorbia albomarginata R. G. Swinney 2009-6-17 11197 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR43323  Euphorbia albomarginata David Charlton 1986-6-15 309 Los Angeles San Gabriel Mtns., Mile High, intersection of Swarthout Canyon Road and Largo Vista Road (N4) 1067 Comment
  LA32300  Euphorbia maculata Peter H. Raven; Henry J. Thompson 1959-9-18 14446 Los Angeles University of California, West Los Angeles 129 Comment
  CAS-BOT-BC202394  Euphorbia ocellata Maxine Wilkes 1929-10-1 s.n. Los Angeles Eagle Rock Comment
  RSA432443  Euphorbia palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA747882  Euphorbia peplus Justin M. Wood 2009-3-6 334 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. 402 Comment
  UCR216556  Euphorbia peplus Dan S. Cooper 2010-4-23 410- 56 C Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Griffith Park, Western Canyon, ridge NW of the observatory 291 Comment
  IRVC29588  Euphorbia spathulata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26149 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  CATA1160  Extriplex californica Mark L. Hoefs 1995-5-30 2153 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  UCR223755  Festuca microstachys R. G. Swinney 2009-5-28 10970 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  CAS-BOT-BC500440  Ficus microcarpa R. E. Riefner, Jr. 2014-10-6 14 -371 Los Angeles Harbor City, W of 110-Freeway, Figueroa Pl. at Lagood Dr. 6 Comment
  RSA535282  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5326 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA678211  Filago californica Valerie L. Soza, LeRoy Gross 2001-4-18 1137 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 fire area, between Little Santa Anita and Santa Anita Canyons. 671 Comment
  RSA710272  Filago californica A. C. Sanders, Mark A. Elvin 2003-4-14 25962 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
  RSA0096639  Filago gallica Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 625 Los Angeles Santa Catalina Island, ca. 0.85 air miles NW of East Peak. Along road to East Peak, just SW of Peak 1245. 347 Comment
  RSA650268  Foeniculum vulgare T. Strid 1972-6-8 1 Los Angeles 5 mi. S Budwood on Fernwood Rd. 60 Comment
  UCR190923  Forestiera pubescens R. G. Swinney 1999-6-28 7450 Los Angeles San Gabriel Mtns./Mojave Desert, Graham Canyon, south of Mescal Highlands Rd. 1494 Comment
  LA52236  Frangula californica subsp. californica A. M. Johnson; 1932-5-30 4115 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UCR277196  Frangula californica subsp. californica R. G. Swinney 2010-9-30 13957 Los Angeles San Gabriel Mountains, 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon 2341 Comment
  RSA788824  Frangula californica subsp. cuspidata Jane Tirrell, Graham Bothwell 2012-7-11 LS 0101 Los Angeles South side California State Route 2, approx. 500 ft east of mile marker 67.86. 2313 Comment
  RSA535320  Frankenia grandifolia var. grandifolia Tim S. Ross 1991-5-20 5362 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  SEINET3151939  Frankenia salina L. Abrams 1902-6-9 2500 Los Angeles Playa del Rey Comment
  UC141119  Frankenia salina Ernest Braunton June 1902 497 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  UCR151014  Fraxinus uhdei Scott D. White 1997-5-7 5052 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  RSA127415  Fraxinus velutina var. coriacea H. J. Thompson 1959-3-22 1874 Los Angeles 0.25 mile from Triunfo Canyon, 2.5 miles W of Malibu Lake, Lobo Canyon. 213 Comment
  SFV21162  Fremontodendron californicum subsp. californicum J. N. Hogue 2007-6-21 295 .3 Los Angeles San Gabriel Mountains Along Sulphur Springs Road near Horse Flats Campground. 1765 Comment
  JEPS16306  Fritillaria pinetorum P. A. Munz 1922-5-30 5573 Los Angeles head of Swartout Valley (San Antonio Mountains); , Swartout Valley 2194 Comment
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Dec 13 2011
  RSA641696  Fritillaria pinetorum Orlando Mistretta 1993-6-2 870 Los Angeles San Gabriel Mountains: Vincent Gulch Trail 1945 Comment
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Oct 5 2009
  RSA661188  Funastrum cynanchoides var. hartwegii LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 394 Los Angeles Vedugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  CAS-BOT-BC223004  Galium andrewsii subsp. andrewsii W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1615 Comment
  RSA587023  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-6-15 1362 Los Angeles San Gabriel Mountains, Santiago Canyon. Comment
  RSA0022054  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA770903  Galium angustifolium Robert F. Thorne, Percy C. Everett 1965-5-11 34675 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  JEPS56098  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4114 Los Angeles 0.2 mi e Vogel Canyon (s-facing slope); Big Tujunga Canyon Comment
  RSA512152  Galium angustifolium subsp. angustifolium S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. 884 Comment
  RSA596044  Galium angustifolium subsp. angustifolium Tim S. Ross, J. Mark Porter 1995-5-4 8412 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA680060  Galium angustifolium subsp. angustifolium Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 356 Los Angeles Angeles National Forest. San Gabriel Mountains. Glendora Ridge Road. 1.8 mi W of gate. Comment
  UCR272521  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-7-7 15430 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
  RSA584136  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2981 a Los Angeles San Gabriel Mountains, Upper Tujunga Canyon: ridge descending NE from Barley Flats Road toward Big Tujunga Creek (ca. 0.9-1.4 air-miles E of Barley Flats) 1280 Comment
  UCR270100  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-7-21 15537 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  JEPS6598  Galium aparine F. W. Peirson 1921-6-19 1184 Los Angeles North Fork San Gabriel River San Gabriel Mts. 1005 Comment
  UCD121730  Galium aparine Robert F. Thorne; J. Henrickson 1963-5-5 32317 Los Angeles Open slopes of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 mi. N of Claremont. 518 Comment
  UCR125776  Galium aparine A. C. Sanders 2003-5-26 26841 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA660467  Galium aparine Mary C. Hunter 1994-5-28 29 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena 61 Comment
  CAS-BOT-BC217467  Galium catalinense L. R. Abrams; I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing, Santa Catalina Island Comment
  RSA678831  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1289 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.45 miles from trailhead out of Chantry Flat area. 823 Comment
  RSA523449  Galium hallii Lauramay T. Dempster, Clare B. Hardham 1965-6-16 4125 Los Angeles San Gabriel Mountains: Angeles Crest Highway, Vincent Gulch Divide, 6585 feet. 2008 Comment
  JEPS56045  Galium jepsonii Lauramay T. Dempster and Clare Hardham 1965-6-16 4120 Los Angeles Angeles Crest Hwy 3 mi e Upper Chilao Recreation Area; San Gabriel Mountains 1950 Comment
  UC1587612  Galium jepsonii Tim Ross 1991-8-14 5769 Los Angeles slopes nw summit; Chilao Flat USGS 7.5' quad., San Gabriel Mountains, Rountop 1828 Comment
  CAS-BOT-BC223138  Galium johnstonii Le Roy Abrams; E. A. McGregor 1908-7-5 657 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains 1524 Comment
  SD70517  Galium parishii F. Ehrendorfer 1959-6-14 5902 Los Angeles San Gabriel Mountains, hills about 2 miles north of Big Pines 1981 Comment
  CATA1224  Galium parisiense Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2290 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  JEPS52946  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-1-20 4170 Los Angeles State Hwy 23 about 2 mi above junction with US#1; Santa Monica Mts., Los Alisos Canyon Comment
  RSA0051337  Galium porrigens var. porrigens Valerie Soza 2004-6-21 1726 a Los Angeles Liebre Mountains, north side of Warm Springs Rd 6N32, west of Lake Hughes Rd. 640 Comment
  RSA229177  Galium porrigens var. porrigens Robert F. Thorne, C. W. Tilforth 1971-6-29 40727 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  JEPS2601 Image available Galium siccatum var. anotinum Frank W. Peirson 1918-7-8 215 Los Angeles Baldy San Gabriel Mountains, Mt. San Antonio; Mt. San Antonio (Baldy), Los Angeles Co. 2133 Comment
  RSA0009181  Galvezia speciosa Tim S. Ross 1991-5-21 5429 Los Angeles San Clemente Island, upper reaches of Box Canyon, SW side of the island 343 Comment
  SBBG97016  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-8 4430 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA763104  Gayophytum R. G. Swinney 2008-8-13 9384 Los Angeles east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  RSA639716  Gayophytum decipiens Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  UCR256573  Gayophytum diffusum subsp. parviflorum Anuja Parikh, Nathan Gale 2011-6-27 3514 Los Angeles Transverse Ranage; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.1 km SW of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1277 Comment
  RSA229169  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth 1971-6-29 40709 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: along Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1372 Comment
  POM175389  Gayophytum oligospermum West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Mt. Islip. Comment
  UC519957  Gayophytum oligospermum Louis Wheeler 1932-7-2 914 Los Angeles Browns Flat San Gabriel Mts. 1310 Comment
  CAS-BOT-BC303533  Geraea canescens T. G. Williamson 1935-1-15 s.n. Los Angeles Claremont Comment
  SBBG118148  Geranium carolinianum F. R. Fosberg 1931-3-20 4319 Los Angeles Hamilton Cyn 40 Comment
  HSC24467  Geranium richardsonii R. F. Thorne, M. Z. Thorne 1969-7-9 38533 Los Angeles San Gabriel Mtns., Angeles National Forest, at Big Pines 2073 Comment
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Sep 5 2018
  UCD19079  Geranium robertianum Tom Yutani 1965-6-14 s.n. Los Angeles city of Pasadena. Comment
  UCR277244  Gilia R. G. Swinney 2011-4-19 14392 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
  RSA172304  Gilia angelensis R. F. Thorne, James Henrickson 1963-5-5 32299 Los Angeles Near mouth of Cobal Canyon, foothills of San Gabriel Mountains, ca. 4 miles N of Claremont 518 Comment
  RSA187829  Gilia angelensis R. F. Thorne 1966-4-7 35938 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA187849  Gilia angelensis R. F. Thorne 1966-4-6 35915 Los Angeles Santa Catalina Island. Old quarry W of Empire Landing. 91 Comment
  RSA0056291  Gilia atractyloides L. Haines 1935-7-2 s.n. Los Angeles T. B. Reservoir, San Gabriel Mts. Comment
  UCR252579  Gilia capitata R. G. Swinney 2010-5-11 12666 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
  LA52325  Gilia capitata subsp. abrotanifolia Mary Reynolds; 1937-5-2 155 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek Comment
  RSA470234  Gilia capitata subsp. abrotanifolia B. C. Templeton 1930-6-17 s.n. Los Angeles Franks [Franklin] Canyon, north of Beverly Hills. Comment
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Jan 12 2008
  SFV21758  Gilia capitata subsp. abrotanifolia V. Soza, L. Gross, A. Munoz 2000-5-12 895 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
  UC23343  Gilia capitata subsp. abrotanifolia H. P. Chandler 1898-3-10 Los Angeles Claremont 365 Comment
  RSA470218  Gilia capitata subsp. abrotanifolia Anstruther Davidson s.n. Los Angeles Hollywood or Toluca. Comment
  RSA470231  Gilia capitata subsp. abrotanifolia School 1929-5-18 s.n. Los Angeles Los Angeles River. Comment
  RSA72065  Gilia capitata subsp. abrotanifolia Robert L. Dressler 1949-4-23 709 Los Angeles Ca. 15 mi. w. of Vincent. 500 Comment
  RSA776175  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-16 5326 Los Angeles Transverse Ranges; San Gabriel Mts region: Upper Big Tujunga canyon; Lynx Gulch drainage 0.86 air miles NE of junction of Lynx Gulch Road with Upper Big Tujunga Canyon Road, along Southern California Edison transmission line corridor. 1175 Comment
  RSA0115685  Gilia jacens A. C. Sanders 2008-4-11 34845 Los Angeles Transverse Range/Mojave Derert: hills south of Hwy 138, c. 1 mile SW of Neenach School, west of a N-S line through VABM Pine 995 Comment
  RSA587408  Gilia latiflora subsp. cuyamensis Orlando Mistretta 1995-4-5 1602 Los Angeles Drainage W of Little Rock Creek Reservoir. 1006 Comment
  CAS-BOT-BC226344  Gilia latiflora subsp. davyi C. C. Parry 1888-3-1 s.n. Los Angeles Lancaster, Mohave [Mojave] Desert Comment
  RSA249787  Gilia latiflora subsp. davyi R. F. Thorne, Gary D. Wallace 1973-4-25 43369 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
  UCSB73231  Gilia latiflora subsp. davyi Gross, LeRoy 2005-5-3 Los Angeles San Gabriel Mountains region: west terminus of Holcomb Ridge, west of Big Rock Creek; north of Fort Tejon Road, west of Valyermo Road Comment
  CAS-BOT-BC226394  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 2998 Los Angeles Little Rock Creek, Mohave [Mojave] Desert Comment
  UCR97328  Gilia modocensis R. G. Swinney 1996-5-27 4730 Los Angeles Eastern San Gabriel Mtns, east of Table Mountain and NW of Wright Ridge 2274 Comment
  RSA534036  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA0016254  Gilia ochroleuca subsp. bizonata Steve Boyd, Lauren Raz 1997-4-16 9515 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UC2026411  Gilia ochroleuca subsp. vivida Louis C. Wheeler 1964-6-20 8492 Los Angeles Mt. Waterman. Comment
  UCR200253  Gilia sinuata J. M. Porter 1998-4-27 11825 Los Angeles San Gabriel Mountains, north slope, Z9 Road, off Largo Vista 1372 Comment
  JEPS69713  Gilia splendens subsp. splendens Frank W. Peirson 1918-10-21 286 Los Angeles West Fork San Gabriel River 1219 Comment
  POM50890  Gnaphalium beneolens L. R. Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  RSA430478  Gnaphalium microcephalum A. C. Sanders 1987-9-18 7378 Los Angeles El Segundo Dune, W of Los Angeles International Airport and Pershing Dr. 38 Comment
  RSA601050  Gnaphalium palustre Steve Boyd, Lauren Raz 1997-6-18 9978 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA596080  Gnaphalium stramineum Timothy S. Ross, S. D. Boyd 1995-6-28 8649 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  SBBG72617  Grayia spinosa M. N. Ackley 1927-5-8 101 Los Angeles Little Rock foothills 914 Comment
  POM359086  Grindelia robusta Anstruther Davidson 1891-07 s.n. Los Angeles Foothill. Comment
  RSA630361  Guillenia lasiophylla L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1219 Comment
  POM4713  Gutierrezia bracteata L. R. Abrams 1902-7-5 2720 Los Angeles Near the power house, San gabriel Canyon Comment
  RSA0021977  Gutierrezia californica David J. Keil 1986-9-27 19734 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit. Roadside pullout. 915 Comment
  CAS-BOT-BC302088  Gutierrezia microcephala R. F. Hoover 1966-10-14 10153 Los Angeles Pearblossom Comment
  CAS-BOT-BC302128  Gutierrezia sarothrae Vernon O. Bailey 1907-10-29 s.n. Los Angeles San Fernando Comment
  SEINET7989337  Haplopappus canus Reid Venable Moran 1975-8-24 22694 Los Angeles San Clemente Island, China Canyon, above confluence of Iwo Jima Gulch 200 Comment
  RSA598815  Haplopappus pinifolius R. G. Swinney 1989-11-24 1485 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, Paul Keiser Nature Trail. 472 Comment
  RSA640647  Hazardia cana Steven A. Junak 1996-10-1 SCI- 693 Los Angeles San Clemente Island: middle portion of Horse Canyon, 1.2 miles SW of Thirst Peak. 372 Comment
  SD98890  Hazardia squarrosa var. grindelioides Darley Howe 1976-8-16 Los Angeles Zuma beach area. Comment
  RSA716928  Hedera helix LeRoy Gross, Naomi Fraga 2006-1-20 2448 Los Angeles East end of the Verdugo's. North side of the main crest. A small draw south of Deer Creek that drains into Deer Creek, off of Beaudry Road. Southwest of Debris Basin. 412 Comment
  RSA603423  Helenium puberulum L. C. Wheeler 1932-9-5 1345 Los Angeles San Antonio Canyon 1066 Comment
  CAS-BOT-BC223989  Helianthemum scoparium Prof. W. R. Dudley 1907-12-16 s.n. Los Angeles Near the reservoir, Monrovia Comment
  LA200376  Helianthemum scoparium Michael Neuman; February 1984 14 Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  RSA0069877  Helianthemum scoparium R. G. Swinney 2010-3-24 12092 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  LA210088  Helianthemum scoparium var. vulgare F. R. Fosberg; 1932-5-7 8157 Los Angeles Santa Catalina Island, Santa Catalina Island 230.0 Comment
  RSA441779  Helianthemum scoparium var. vulgare G. R. Johnstone 1929-7-4 14208 Los Angeles Griffith Park. Comment
  RSA0048579  Helianthus annuus Harold L. Pirie 1964-4-15 s.n. Los Angeles Pierce College Campus, Pine Hill. 243 Comment
  UC1587571  Helianthus gracilentus Tim Ross 1991-9-2 5935 Los Angeles draw off w side Yerba Buena Road (near Mulholland Highway x Yerba Buena Road); Santa Monica Mountains, Triunfo Pass USGS 7.5' quadrangle 502 Comment
  RSA223712  Heliotropium curassavicum var. oculatum E. C. Twisselmann 1970-9-8 17482 Los Angeles Antelope Valley, Avenue A 0.2 mile E of 30th Street west 732 Comment
  RSA360331  Hemizonia australis F. R. Fosberg 1930-6-26 s.n. Los Angeles Lower Ballona Creek 8 Comment
  RSA4799  Hemizonia australis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, Near Long Beach. Station 1, Plant #2 Comment
  RSA95062  Hemizonia australis F. W. Peirson 1951-1 1350 Los Angeles at 1085 New York Drive, Altadena. Comment
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Apr 1 2009
  UCR65214  Hemizonia clementina F. R. Fosberg 1931-4-8 S- 04505 Los Angeles Channel Islands, Santa Catalina Island, Avalon 10 Comment
  CAS-BOT-BC403837  Hesperocnide tenella Blanche Trask 1901-3-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  CATA1819  Hesperocyparis stephensonii Benjamin E. Carter 2012-8-31 7020 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  UCR280512  Hesperoyucca whipplei R. G. Swinney 2014-5-13 16503 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR143136  Heteromeles arbutifolia Steve Boyd 1997-9-17 10038 B Los Angeles San Gabriel Mtns., Knapp Ranch area, upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain 976 Comment
  UCR205519  Heteromeles arbutifolia A. C. Sanders, T. B. Salvato 2009-5-19 36819 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  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
  RSA0074534  Heterotheca fastigiata J. D. Olmsted 1959-9-21 968 Los Angeles 1/2 mi SW of intersection of roads from Tanbark Flat and Glendora Mt. Rd. along Rd. from Big Dalton dam, San Dimas Experimental Forest, San Gabriel Mts. 823 Comment
  CAS-BOT-BC318876  Heterotheca grandiflora Shirley W. Campbell 1970-9-24 101 Los Angeles Lower reach of the Arroyo Seco, southwestern Pasadena Comment
  LA32033  Heterotheca grandiflora Henry J. Thompson; 1958-10-23 1813 Los Angeles Santa Monica Mountains, Point Dume 30 Comment
  RSA0074072  Heterotheca grandiflora A. Menke 1955-4-21 s.n. Los Angeles Faculty Hill, UCLA campus, Los Angeles. Comment
  CHSC95441  Heterotheca sessiliflora subsp. fastigiata LeRoy Gross 2001-11-10 453 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  RSA0063104  Heuchera elegans Orlando Mistretta 1992-8-28 784 Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  RSA755878  Hieracium albiflorum R. G. Swinney 2008-7-16 9261 Los Angeles Cooper Canyon, 1.5 mi. NE of Burkhart Trail parking lot along the trail, NE of Buckhorn Campground 1707 Comment
  UCR147045  Holcus lanatus L. C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mtns, Graveyard Canyon, second side canyon 610 Comment
  CAS-BOT-BC149951  Holodiscus discolor var. discolor Robert F. Thorne 1967-5-20 36905 Los Angeles Santa Catalina Island: In Descanso Canyon ca. 1/4 way down from head at Airport Rd. to mouth 228 Comment
  CAS-BOT-BC149953  Holodiscus discolor var. discolor P. A. Munz 1918-5-4 2218 Los Angeles Laguna [Canon] Canyon Comment
  RSA0087100  Hordeum intercedens Steven A. Junak 2001-5-4 SCa- 1487 Los Angeles W end of island, S of Parson's Landing. 109 Comment
  UCR139952  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 44 Comment
  UCR92052  Hordeum murinum Scott D. White 1996-4-21 3937 Los Angeles Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill Blvd., east of Towne Ave. 323 Comment
  POM352459  Hordeum murinum subsp. leporinum M. B. Dunkle 1928-3-31 1784 Los Angeles Santa Catalina Island: Campo Blanco [El Rancho Escondido]. Comment
  POM12345  Horkelia cuneata subsp. puberula F. L. Robinson 1921-3-17 8 Los Angeles Claremont, near the Greek [Theater] Comment
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Aug 26 2011
  RSA230262  Humulus lupulus R. F. Thorne 1969-7-2 38323 Los Angeles Angeles National Forest; Cedar springs ca. 1/2 mile E of Kratka ridge along Angeles Crest Hwy 2072 Comment
  SFV12178  Hydrocotyle verticillata B. J. McCaskill, B. Leard 1968-6-2 733 Los Angeles Arcadia. Behind residence at 532 North Catalpa Road. Comment
  UC1255934  Hyparrhenia hirta T. C. Fuller 1969-7-17 18682 Los Angeles Westwood; ; Corner of Sunset Blvd. and Groverton St. Comment
  SBBG113147  Hypochaeris glabra S. A. Junak with M. L. Hoefs, J. Takara 1997-3-28 SCa 369 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  RSA276043  Hypochaeris glabra Jack Delaini 1974-4-25 125 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 427 Comment
  SD72771  Isocoma menziesii var. menziesii F. R. Fosberg 1931-9-16 S 5684 Los Angeles Los Angeles, east base of Baldwin Hills 49 Comment
  CATA2747  Isocoma menziesii var. vernonioides Howard L. Ferguson 1981-4-20 251 Los Angeles San Clemente Island: Near mouth of Horse Beach Canyon 38 Comment
  CHSC14151  Isomeris arborea L. M. Mayer; I. J. Mayer 1974-4-10 154 Los Angeles On n side of Bouquet Canyon Rd. ca. 1 1/2 mi ne of its intersection with Vasquez Canyon Rd. Comment
  UC56900  Isomeris arborea Ernest Braunton May 1902 321 Los Angeles Redondo Comment
  JEPS30652  Jaumea carnosa Peter H. Raven and Henry J. Thompson 1959-9-6 14363 Los Angeles salt marsh at mouth Malibu Creek; Santa Monica Mountains 1 Comment
  RSA233628  Jepsonia malvifolia R. F. Thorne 1970-3-6 39392 Los Angeles Santa Catalina Island: near Blue Cavern Point 46 Comment
  RSA19622  Juglans californica Fay A. MacFadden 1931-3-15 2597 Los Angeles Verdugo Mountains: Tuna Canyon 335 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
  CAS-BOT-BC110034  Juncus acutus Grant 1898-4-12 961 Los Angeles San Pedro. Comment
  RSA368107  Juncus acutus subsp. leopoldii Anstruther Davidson 1892-08 s.n. Los Angeles Long Beach Comment
  SEINET11790065  Juncus acutus subsp. leopoldii S. B. Parish, Parish, W. F. 1882-1 657 Los Angeles Wilmington Comment
  UCR270066  Juncus balticus R. G. Swinney 2010-5-12 12721 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA0036821  Juncus bufonius var. congestus Justin M. Wood 2011-7-7 4332 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA368347  Juncus bufonius var. occidentalis B. C. Templeton 1932-8-25 5087 Los Angeles Camp Cienega, Big Pines Park, San Gabriel Mountains. 2072 Comment
  JEPS45902  Juncus duranii F. R. Fosberg and J. Ewan 1931-8-12 4978 Los Angeles 1/2 mi w of Windy Camp (Cienega, Mount Islip); Cienega, Mount Islip 2286 Comment
  RSA0094091  Juncus effusus subsp. austrocalifornicus Richard G. Swinney 2011-10-13 15799 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  RSA0116660  Juncus macrophyllus R. G. Swinney 2008-7-16 9265 Los Angeles San Gabriel Mtns.; Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing. 1817 Comment
  RSA802344  Juncus macrophyllus Orlando Mistretta, Cher Batchelor 2011-7-26 5979 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  RSA517162  Juncus rugulosus Timothy S. Ross, Orlando Mistretta 1990-10-9 3260 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1416 Comment
  UCR99511  Juncus torreyi Steve Boyd, Lauren Raz 1996-10-14 9087 Los Angeles Liebre Mtns., SW end of Quail Lake, in seasonally flooded depression on south side of Hwy 138. 1021 Comment
  POM6451  Juncus xiphioides L. T. Street, G. Williams 1919-5-10 2710 Los Angeles San Gabriel River near Bassett. 90 Comment
  UCR201829  Juncus xiphioides Scott D. White, Justin M. Wood 2008-10-7 12555 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  RSA533939  Keckiella cordifolia Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  UCR147284  Keckiella ternata subsp. ternata Orlando Mistretta 1992-6-17 581 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  UC27509  Keckiella ternata var. septentrionalis J. H. Barber 1897-6-29 218 Los Angeles Acton; Bear Canyon Comment
  CAS-BOT-BC246115  Keckiella ternata var. ternata Mrs. G Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA96967  Kochia scoparia Robert W. Townsend 1955-08 s.n. Los Angeles Alameda St., Dominguez area, 2 mi. S of old Dominguez Ranch near Long Beach. Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  CAS-BOT-BC271334  Koeleria pyramidata Geo. B. Grant 1900-4-15 2472 Los Angeles Old Wilson Trail Comment
  UC1870208  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 Los Angeles Transverse Ranges; San Gabriel Mountains region; 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. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Comment
  CATA120  Lamarckia aurea Mark L. Hoefs, A. Douglas Propst 1973-3-14 92 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  RSA578639  Lamium amplexicaule Tim S. Ross, Darin Banks 1994-4-13 7535 Los Angeles Lower Clearwater Canyon: riparian strip and adjacent lower slopes; ca 1400 m ESE of Plum Spring and ca 960 m W of San Francisquito Powerhouse No. 1. 674 Comment
  RSA720158  Lantana montevidensis LeRoy Gross 2007-4-21 2649 Los Angeles East end of the range; Small canyon or draw. End of Capistrano Ave. just pass the intersection with El Rito Ave. City of Glendale. Near 336 Comment
  RSA729530  Larrea tridentata R. G. Swinney 1998-6-12 6968 Los Angeles 3 mi. west of Pinon Hills. 1.4 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.) 1.4 mi. NNE of mouth of Mescal Canyon at reservoir 1305 Comment
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Nov 3 2010
  RSA65177  Lastarriaea coriacea F. W. Peirson 1919-5-21 447 Los Angeles foot of canyon proper, on Arroyo Seco. 381 Comment
  POM361489  Lasthenia californica L. C. Wheeler 1934-3-24 2473 Los Angeles Liveoak Canyon, San Gabriel Mountains. 473 Comment
  SFV20987  Lasthenia coronaria L. Gross, V. Soza 2003-5-15 907 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains north of La Tuna Canyon road. Started at end of Elben Ave., climbed north to ridgetop south of McDonald Creek, then east along ridgeline, then came back down into a small canyon at the end of Elben Place just east of where started. North-facing slope near top of ridge. 518 Comment
  SD186091  Lasthenia glabrata A. C. Sanders 2003-4-16 26033 Los Angeles Northeast end of Santa Susana Mtns.: Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course. 366 Comment
  RSA4774  Lasthenia glabrata subsp. coulteri James Snow 1932-03 s.n Los Angeles Plants of the Bryant Ranch, near Long Beach, station #4 Plant #1. Comment
  UC15337 Image available Lathyrus laetiflorus unknown 1893-5-1 Los Angeles Los Angeles; Los Angeles Co. Comment
  SFV16074  Lathyrus vestitus P. A. Krueger 1994-5-14 19 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  POM29615  Lathyrus vestitus subsp. laetiflorus Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  SD75567  Lathyrus vestitus var. alefeldii Reid Moran 1941-2-23 605 Los Angeles South Catalina Island, Johnson's Valley, hillside 249 Comment
  LA34223  Lathyrus vestitus var. vestitus Peter H. Raven; 1959-5-3 14100 Los Angeles Santa Monica Mountains, Laurel Pass, Mulholland Drive 1.0 mi. W of Laurel Pass 365 Comment
  RSA0119587  Lathyrus vestitus var. vestitus Lyman Benson 1945-4-13 11664 Los Angeles Little Dalton Canyon, Glendora. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 366 Comment
  POM243786  Lavatera assurgentiflora subsp. assurgentiflora F. R. Fosberg 1931-5-22 7167 Los Angeles Santa Catalina Island. Bird Rock, Isthmus Harbor. 5 Comment
  RSA0113755  Layia Steven A. Junak 1999-5-20 SCa- 931 Los Angeles Santa Catalina Island. On ridge between Cottonwood and Escondido Canyons. On S side of Cottonwood-Black Jack Road, ca. 0.6 mi. up from reservoir. 256 Comment
  CHSC35827  Layia glandulosa William Fugimoto 1971-4-18 13 Los Angeles 5 miles SSW of Lancaster in Antelope Valley in Mojave Desert. 762 Comment
  RSA587264  Layia glandulosa Orlando Mistretta 1994-5-13 1215 Los Angeles San Gabriel Mts; Little Rock Creek, slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  RSA630308  Layia glandulosa L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  CAS-BOT-BC321535  Layia glandulosa Timothy S. Ross; Steve Boyd 1994-5-11 7764 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Bulch Camp. 1732 Comment
  RSA696932  Layia glandulosa Seacord s.n. Los Angeles West Mojave Comment
  RSA3704  Layia platyglossa subsp. campestris C. B. Wolf 1932-5-11 3551 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
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Jan 23 2014
  SD87860  Lemmonia californica F. W. Peirson 1919-5-10 396 Los Angeles Arraster, San Gabriel Mountains. 914 Comment
  RSA725076  Lepidium fremontii var. fremontii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 86 -A Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  RSA678411  Lepidium lasiocarpum Mark Elvin 1996-8-8 325 Los Angeles San Clemente Island. West dunes along road to south end of dunes 9 Comment
  UCR143433  Lepidium latipes Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  CAS-BOT-BC12467  Lepidium nitidum P. A. Munz 1918-4-5 2029 Los Angeles South Hills, Pomona. Comment
  CAS-BOT-BC12820  Lepidium perfoliatum Roxana S. Ferris 1918-6-12 898 Los Angeles Railroad embankment between Oban and Lancaster. Comment
  SBBG70849  Lepidium perfoliatum R. Hoffmann 1929-4-27 Los Angeles near Redman Comment
  RSA429658  Lepidium pinnatifidum Robert Gustafson 1981-3-10 2111 Los Angeles Ballona Wetlands, Area 1. 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
  POM305225  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1937-8-23 489 Los Angeles Altadena. Comment
  UC205600  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles Prairie Fk San Gabriel River; San Antonio Mountains, Prairie Fk of San Gabriel River 1524 Comment
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Mar 16 2010
  SEINET3163756  Leptodactylon californicum G. B. Grant 1904-5-5 679 a-6189 Los Angeles at Arroyo Seco Canyon, San Gabriel Mts., southern California 610 Comment
  RSA0060767  Leptosiphon aureus subsp. aureus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6824 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA527632  Leptosiphon bicolor Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4388 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  CHSC3694  Leptosiphon breviculus Mary MacArthur 1966-6-4 40 Los Angeles Chilao. Stream bed. 1524 Comment
  HSC95815  Leptosiphon breviculus L. C. Wheeler 1964-6-20 8489 Los Angeles Mt. Waterman, S side Comment
  RSA311413  Leptosiphon breviculus Cheryl A. Lawson 1971-7-11 421 Los Angeles San Gabriel Mts., Angeles National Forest, above Crystal Lake, near Calif. State Highway 39. 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
  UCSB42087  Leptosiphon breviculus Palys, Joe 1978-6-3 Los Angeles East side of Mt. Gleason road, 1 mi. west from junction with Angeles Crest Highway 1219 Comment
  RSA773301  Leptosiphon ciliatus R. G. Swinney 2009-6-3 11057 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  LA81940  Leptosiphon parviflorus O. H. Kappler; 1941-5-9 261 Los Angeles SANTA MONICA MOUNTAINS, upper Zuma Canyon, near summit of Mulholland Hwy. 609 Comment
  UCSB16969  Leptosyne californica Meisenbach, C. 1963-5-3 Los Angeles State Highway 138, 3.6 miles west of Victorville junction east of Pearblossom 944 Comment
  SBBG15907  Leptosyne douglasii W. G. Webb 1935-4-1 Los Angeles Mint Cyn Comment
  UCR189879  Lessingia filaginifolia R. G. Swinney 1998-7-27 6491 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  LA30870  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C 155 Los Angeles Santa Monica Mountains, Point Dume Comment
  IRVC28662  Lessingia glandulifera A. C. Sanders 2003-8-4 27105 Los Angeles Newhall Ranch, canyon in low hills north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  UC1375331  Lessingia glandulifera var. glandulifera Robert F. Thorne and C. W. Tilforth 1971-6-17 39901 Los Angeles Soledad Canyon Road 1.3 mi e junction with Antelope Valley Freeway (near junction of Bee Canyon with Santa Clara River valley); N slope of San Gabriel Mts. 548 Comment
  CAS-BOT-BC339558  Lessingia glandulifera var. peirsonii Le Roy Abrams; E. A. McGregor 1908-6-19 317 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  POM798  Lewisia rediviva I. M. Johnston 1917-7-4 1470 Los Angeles San Antonio Mountains: south slope of Baldy 2744 Comment
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Jan 23 2011
  CAS-BOT-BC274483  Leymus triticoides Geo. B. Grant 1904-6-9 s.n. Los Angeles Ballona Marsh Comment
  RSA702834  Ligustrum Scott D. White 2004-4-23 10235 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
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Sep 3 2019
  UCR209652  Lilium parryi R. G. Swinney 2008-7-2 9142 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA702948  Linanthus aureus Scott D. White, Michael Honer 2004-3-30 9957 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  POM277119  Linanthus aureus E. S. Steele, G. F. Pratt 1934-3-22 7016 Los Angeles Antelope Valley, Northwest of Lancaster. Comment
  RSA587461  Linanthus bigelovii Orlando Mistretta 1995-4-11 1623 Los Angeles Santiago Canyon. canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock creek. 1006 Comment
  UCR151965  Linanthus bigelovii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 874 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  POM282431  Linanthus californicus Elaine Dalbom 1934-3-31 48 Los Angeles Pacific Palisades, Beverly Hills, 427 Comment
  RSA127433  Linanthus californicus H. J. Thompson 1959-3-27 1879 Los Angeles Saddle peak, 0.5 miles east of peak. 671 Comment
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Jul 13 2018
  RSA648203  Linanthus californicus Glenda Long 1981-4-26 20 Los Angeles West Fork San Gabriel Canyon, left side of road. 1 mile up canyon. Comment
  RSA0095266  Linanthus californicus subsp. glandulosus B. C. Templeton, Ira W. Clokey 1936-5-18 5661 Los Angeles San Gabriel Canyon. 366 Comment
  UCR140949  Linanthus dichotomus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, Antelope Valley, 200th Ave. East, north of Hi Vista, toward Edwards AFB 915 Comment
  POM308353  Linaria bipartita Henry J. Ramsey, Henry J. Ramsey 1937-3-21 3030 Los Angeles Altadena. Comment
  RSA683134  Lithophragma affine LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 962 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 549 Comment
  RSA468207  Lithophragma affine subsp. mixtum Freda Detmers 1929-4-13 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  CAS-BOT-BC432212  Lithophragma bolanderi Timothy S. Ross; Steve Boyd 1994-5-11 7823 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. Burnt Peak 7.5' USGS Quadrangle. 1548 Comment
  CHSC8284  Lithophragma heterophyllum Edward L. Smith 1957-4-25 226 Los Angeles In Little Dalton Canyon, San Gabriel Mountains. 365 Comment
  CAS-BOT-BC48140  Lithophragma maximum Tim Ross; Laurel Arnseth 1990-4-8 4318 Los Angeles San Clemente Island. E side of island, near Malo Point, second cyn S of Bryce Cyn. Comment
  RSA617226  Lobelia dunnii var. serrata LeRoy Gross 1998-9-12 51 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  RSA651347  Lobularia maritima A. E. Hersh 1950-7-2 s.n. Los Angeles 4111 Wade St., Venice. 30 Comment
  RSA610008  Loeflingia squarrosa L. C. Wheeler 1936-4-21 4095 Los Angeles San Dimas Wash. 366 Comment
  JEPS69138  Loeseliastrum matthewsii Frank W. Peirson 1919-6-15 468 Los Angeles Rock Creek Canyon San Gabriel Mts., Rock Creek Canyon 1249 Comment
  RSA730074  Loeseliastrum matthewsii R. G. Swinney 1999-6-5 7240 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  SBBG106290  Logfia gallica S. A. Junak 1985-5-15 SCl 74 Los Angeles rd to Pk 1603 and Camera Pad "Stone" 457 Comment
  CAS-BOT-BC271185  Lolium temulentum G. B. Grant 1916-3-1 s.n. Los Angeles Pasadena Comment
  SD241722  Lomatium dasycarpum Mark A. Elvin 2003-5-1 2497 Los Angeles Santa Clarita Valley: Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon, in Charlie Canyon, survey area 69 (Newhall 7.5'Q) 395 Comment
  UC61024  Lomatium dasycarpum subsp. dasycarpum unknown 1903-4-23 5443 Los Angeles Saugus Comment
  POM9068  Lomatium lucidum P. A. Munz, R. D. Harwood 1920-5-2 3887 Los Angeles San Dimas Canyon. 457 Comment
  POM264693  Lomatium lucidum L. C. Wheeler 1933-5-5 1687 Los Angeles San Gabriel Mountains, 1/4 mi. below falls in Fish Canyon 396 Comment
  RSA452105  Lomatium mohavense Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. 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
  SEINET12118927  Lomatium mohavense H. H. Heller 1937-1 424 Los Angeles 20 mi E of Lancaster on Victorville Road Comment
  CLARK-A1528-4939  Lomatium utriculatum John C. Roos 1937-3-25 1676 Los Angeles Lancaster Comment
  POM122949  Lomatium vaginatum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  POM3428  Lomatium vaginatum C. F. Baker 1905-5-6 4743 Los Angeles Hills near Pomona. Comment
  CAS-BOT-BC240748  Lonicera interrupta Joseph Andorfer Ewan 1933-7-4 7863 Los Angeles Above Madrono [Madrono] Flats, E. Fork Santa Anita Canyon, San Gabriel Mts. 1066 Comment
  OBI35710  Lonicera japonica Rebecca Cicoria 1982-4-26 56 Los Angeles Palos Verdes Peninsula: Lower Blackwater Canyon, Rolling Hills. Comment
  SBBG31036  Lonicera subspicata R. F. Thorne with D. Propst 1968-5-27 37623 Los Angeles upper Skull Cyn 304 Comment
  RSA455376  Lonicera subspicata var. denudata Anstruther Davidson 1887-1 s.n. Los Angeles Glendale. Comment
  RSA609142  Lonicera subspicata var. denudata L. C. Wheeler 1932-6-16 830 Los Angeles Liveoak [Live Oak] Wash, 2 miles NE [of] La Verne. 404 Comment
  RSA527741  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4309 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  UC200725  Lotus argophyllus var. argenteus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA406745  Lotus argophyllus var. argophyllus Anstruther Davidson 1892-6-12 s.n. Los Angeles Wilson Peak. San Gabriel Mountains Comment
  RSA90070  Lotus argophyllus var. argophyllus F. W. Peirson 1924-5-27 4631 Los Angeles north slope of Strawberry peak 1220 Comment
  UCR128001  Lotus corniculatus Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2992 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UC864810  Lotus hamatus Carl B. Wolf 1932-5-10 Los Angeles Avalon Canyon, above the last almond orchard Santa Catalina Island 121 Comment
  UC284814  Lotus heermannii P. A. Munz 1923-5-25 6819 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  RSA624990  Lotus heermannii var. heermannii L. C. Wheeler 1963-5-5 8255 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. Comment
  UCR270121  Lotus heermannii var. heermannii R. G. Swinney 2010-9-9 13801 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
  UCR173881  Lotus salsuginosus Scott D. White, Michael Honer 2003-6-18 9560 Los Angeles Liebre Mtns, Canyon Country: immediately above homes and detention basins in tributary west of Tick Canyon 640 Comment
  UCR216886  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-2-20 10024 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  RSA747092  Lotus scoparius subsp. scoparius A. C. Sanders, T. B. Salvato 2009-5-19 36831 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA406308  Lotus strigosus Fay A. MacFadden 1931-4-10 2631 Los Angeles Tujunga Canyon Comment
  RSA618778  Lotus strigosus L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch. 945 Comment
  RSA724513  Lotus strigosus K. Dobry 1991-5-2 564 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA728784  Lotus strigosus Gary D. Wallace 1979-4-19 1684 Los Angeles Mojave Desert, W of Palmdale, N of Elizabeth Lake near north end of Munz Ranch Road. Comment
  RSA752798  Lotus strigosus Robert F. Thorne 1980-4-25 54132 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  UC1129184  Lotus strigosus A. D. Gifford 1935-3-15 470 Los Angeles 2.5 mi from Elizabeth Lake Canyon mouth; Angeles National Forest, Tejon Quad. 426 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
  RSA592889  Lotus strigosus L. C. Wheeler 1967-4-30 9235 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  POM173339  Lotus unifoliolatus R. L. Armacost 1928-9-30 s.n. Los Angeles Sawtelle. Comment
  RSA18524  Lotus unifoliolatus C. B. Wolf 1927-7-24 674 Los Angeles 1/2 mile east of Montrose Comment
  RSA90343  Lotus wrangelianus F. W. Peirson 1918-5-5 4072 Los Angeles along road to [Brents] on the Malibu, Santa Monica Mts. Comment
  UC1871167  Lotus wrangelianus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4902 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  SEINET2063042 Image available Lupinus J. Harry Lehr 1971-4-12 323 Los Angeles North side of Rte. 138, 7.1 mi east of Pearblossom, foothills, San Gabriel Mts. 1219 Comment
  UCR149920  Lupinus R. G. Swinney 1999-6-18 7305 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR230247  Lupinus Dan S. Cooper 2011-4-7 411- 11 Los Angeles South Coast, Playa Vista, base of Westchester Bluffs 27 Comment
  RSA0045430  Lupinus Wendy Boes 2009-6-23 2009 -029 Los Angeles San Gabriel Mountains; Crystal Lake recreation area, Forest Service RD 3N09.2 1702 Comment
  UC865540  Lupinus I. W. Clokey and B. C. Templeton 1930-4-8 4633 Los Angeles San Francisquita Canyon 900 Comment
  RSA0062871  Lupinus albifrons Daisie Huang 2008-4-20 08042012 Los Angeles Pine Canyon Rd and Three Points Rd. 312 Comment
  SEINET10488416  Lupinus albifrons David B. Dunn 1957-4-2 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6452 x 6456 Comment
  RSA488021  Lupinus bicolor Mark Hoefs 1974-3-28 423 Los Angeles Santa Catalina Island; upper Bulrush Canyon. 220 Comment
  RSA773304  Lupinus bicolor R. G. Swinney 2009-6-3 11052 Los Angeles Horse Flats, 1 air mile NNW of Newcombs Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA602637  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert Antelope Valley, north side of Hwy 138 (Ave. D), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14). 915 Comment
  RSA655740  Lupinus bicolor James Henrickson 2000-4-15 20694 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; in open grazed ridge along along Whitney Canyon Road 610 Comment
  RSA716211  Lupinus bicolor Andrea Edwards, Pam De Vries 2006-4-11 87 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SFV1867  Lupinus bicolor Lawler 1958-5-10 s. n. Los Angeles Mojave Desert Along side of Highway 138 about 18 miles west of Lancaster. 823 Comment
  UC557774  Lupinus bicolor Nell Murbarger March, 1936 41 Los Angeles e side near the summit San Clemente Island; e side near the summit San Clemente Island Comment
  RSA190959  Lupinus bicolor subsp. microphyllus R. F. Thorne 1966-4-28 36254 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  SBBG131136  Lupinus concinnus S. A. Junak 1999-5-21 SCa 978 Los Angeles rd into Coffee Pot Cyn, S facing slope 435 Comment
  SEINET10450534  Lupinus elatus Victor Duran 1933-7-26 Duran 3535 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  SD124812  Lupinus excubitus A. C. Sanders 1986-7-30 6833 Los Angeles El Segundo Dunes, immediately west of LA International Airport & Pershing Drive, east of Vista Del Mar Blvd.; coastal dunes, formerly largely occupied by residential neighborhoods, houses remoced ca. 15 years ago 29 Comment
  CAS-BOT-BC216659  Lupinus excubitus subsp. hallii Ralph Hoffman 1929-4-26 s.n. Los Angeles Mint Canon [Canyon] Comment
  RSA407097  Lupinus excubitus var. johnstonii L. E. Hoffman 1932-5-1 s.n. Los Angeles Mt. Gleason, Angeles National Forest. Comment
  RSA756905  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UC1537139  Lupinus formosus Gordon H. True Jr. 1938-6-22 885 Los Angeles Bouquet Canyon 609 Comment
  SD157644  Lupinus formosus Darley F. Howe 1959-5-3 2715 Los Angeles 15 miles west of Lancaster Comment
  LA89126  Lupinus formosus var. bridgesii Dave Dunn; 1941-3-29 943 Los Angeles Claremont Golf Course by Foothill Blvd Comment
  SBBG132166  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 165 Los Angeles near bottom of Eel Point grade 73 Comment
  RSA413673  Lupinus hirsutissimus M. B. Dunkle 1928-5-13 1936 Los Angeles Wishbone Loop, Santa Catalina Island. 244 Comment
  SEINET10903774  Lupinus hirsutissimus Robert F. Thorne 1971-4-2 Thorne 41408 Los Angeles San gabriel mts.: Johnson's pastures, n of mountain ave., Claremont. 549 Comment
  UC284194  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley; San Gabriel Mts., Swartout Valley 2590 Comment
  CAS-BOT-BC211686  Lupinus longifolius I. Johnston 1917-5-13 1965 Los Angeles El Monte 137 Comment
  CAS-BOT-BC211695  Lupinus longifolius Theodore Payne 1948-5-15 12287 Los Angeles La Canada Comment
  CAS-BOT-BC211711  Lupinus longifolius Moxley 1920-5-1 747 Los Angeles Hamilton Canyon, Santa Catalina Island Comment
  CAS-BOT-BC211713  Lupinus longifolius Alice Eastwood 1906-5-27 139 Los Angeles Laurel Canyon Comment
  LA200470  Lupinus longifolius J. Fisher; 1940-4-22 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA653926  Lupinus longifolius Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1033 Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 822 Comment
  UCR4177  Lupinus longifolius R. H. Sauer 1965-4-13 s.n. Los Angeles Western Transverse Range; San Gabriel Mtns. Foothills, Next to domestic water intake dam in Arroyo Seco Canyon, Pasadena 366 Comment
  JEPS65385  Lupinus nanus W. L. Jepson 1935-4-17 17057 Los Angeles Portal Ridge Comment
  SEINET10486150  Lupinus polycarpus David B. Dunn 1947-3-19 Dunn 2925 Los Angeles Collected on the n side of wilshire. 1/2 Block e of manning in a vacant lot. White colony; banner never reflexing. Has spread and now covers 100 ft of Parkway and banks of vacant lot; 5 years ago it occupied only a small area. Comment
  RSA0055785  Lupinus sparsiflorus R. G. Swinney 2010-4-28 12392 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
  RSA748837  Lupinus sparsiflorus Justin M. Wood 2009-4-10 476 Los Angeles City of San Dimas; San Dimas Wash just above the Puddingstone Diversion Dam and adj to the golf course. 351 Comment
  RSA763819  Lupinus sparsiflorus Justin M. Wood 2010-5-10 1616 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCR259170  Lupinus sparsiflorus R. G. Swinney 2010-6-23 13358 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  SEINET10488972  Lupinus sparsiflorus Ernest C. Twisselmann 1959-6-2 Twisselmann 5322 Los Angeles Liebre mtn rd, .6 mi e of the old ridge road. Corollas bright violet, fading Blue, center of standard white. Extensive colony growing on a rocky gravel Bank. Chaparral association. 1356 Comment
  SEINET10490972  Lupinus sparsiflorus subsp. sparsiflorus August J. Breitung 1953-5-16 Breitung 15113 Los Angeles Glendora mts rd, san gabriel mts. Keel cilite below near claw. Comment
  SD31167  Lupinus succulentus Edith A. Purer 1931-2-21 158 Los Angeles Palos Verdes Hills Comment
  SFV12387  Lupinus succulentus D. L. Koutnik 1978-5-10 464 Los Angeles Santa Monica Mountains Along Corral Canyon Road. 549 Comment
  UCR214590  Lupinus succulentus A. C. Sanders, Dan S. Cooper 2010-4-30 38117 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET10489017  Lupinus succulentus David B. Dunn 1947-3-19 Dunn 2926 Los Angeles Collected n side of welshire 1/2 block e of manning in a vacant lot. Farther Back on the lot. Comment
  SFV16522  Lupinus succulentus K. Tajbakhsh 1996-4-13 16 Los Angeles California Channel Islands Santa Catalina Island. Fisherman's Bay. 500 m outside of USC Marine Research Station. On north facing slope high from roadside. Comment
  RSA150660  Lupinus truncatus Peter H. Raven 1962-5-9 17649 Los Angeles Just N of Gray, San Clemente Island 366 Comment
  CATA3257  Lycium californicum Julie L. King 2017-2-19 55 Los Angeles Santa Catalina Island: North side of road running along north side of Catalina Harbor, abuot 5 meters from road 12 Comment
  JEPS12429  Lycium cooperi Frank W. Peirson 1921-5-19 1086 Los Angeles Little Rock Creek San Gabriel Mountains 944 Comment
  LA209684  Lycium cooperi A. M. Johnson; 1932-4-17 3939 Los Angeles 10 mi W of Palmdale Comment
  LA209691  Lycium cooperi A. M. Johnson; 1932-4-17 3989 Los Angeles 10 mi W of Palmdale Comment
  RSA250706  Lycium cooperi Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39543 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1250 Comment
  RSA428862  Lycium cooperi Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA582451  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8179 Los Angeles Santa Catalina Island. 1060m NNE of Blackjack Mountain, 645m SSW of Echo Lake, on northeasterly slope draining to White Cove. 366 Comment
  UC124608  Lyonothamnus floribundus subsp. floribundus H. M. Hall 1908-6-15 8278 Los Angeles along sides Swains Canyon (second lowest grove); Santa Catalina Isl. Comment
  SBBG51683  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62512 a Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  UCR180337  Lythrum californicum Scott D. White, Andrea Warniment 2006-7-7 11621 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  RSA0011275  Lythrum hyssopifolia Valerie L. Soza 1998-5-3 97 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 412 Comment
  JEPS38338  Madia exigua F. W. Peirson 1918-5-26 238 Los Angeles Henninger Flats San Gabriel Canyon 868 Comment
  UCR38921  Madia gracilis B. A. Prigge 1985-6-14 6399 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  RSA547453  Madia gracilis Timothy S. Ross 1992-5-17 6384 Los Angeles E Fork of the San Gabriel River, Heaton Flat area; 18 degrees NNE, 425 m distant from East Fork Station 624 Comment
  SFV7536  Madia gracilis T. Gordon, K. Kimbrough, M. H. Grayum, K. A. Wilson, B. Collins, D. Brown, A. Starrett, G. Poseley 1975-5-26 1004 Los Angeles Santa Monica Mountains Along road in Century Ranch, east of Century Lake. 213 Comment
  UC1069907  Madia gracilis Jerome S. Horton 1937-6-14 470 Los Angeles trail to Flumes 4 and 5 (San Dimas Canyon); Pomona Quad., San Dimas Canyon Comment
  RSA188279  Madia sativa R. F. Thorne 1966-6-1 36460 Los Angeles Santa Catalina Island, on dry northeast-facing bluff along Pebbly Beach Drive southeast of Avalon 8 Comment
  POM305762  Mahonia nevinii Henry J. Ramsey, Ramsey 1937-3-26 962 Los Angeles Pacoima Wash, Angeles Nat l Forest Comment
  UCR256160  Malacothamnus R. G. Swinney 2010-6-4 13040 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
  CHSC95860  Malacothamnus davidsonii LeRoy Gross; Steve Fischer, Gary Wallace, et al. 2002-12-7 677 Los Angeles Transverse Ranges: San Gabriel Mountains Region: Limekiln Canyon. High-angle seismic plain in lower part of canyon before it empties into Pacoima wash. 518 Comment
  RSA610537  Malacothamnus davidsonii Louis C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Ridge at head of Loop Canyon. 1098 Comment
  UC1745884  Malacothamnus davidsonii Annetta M. Carter, Arthur Carter 1935-9-13 993 Los Angeles Open, rolling hills NW of Horse Flats. San Gabriel Mtns. 2042 Comment
  CATA748  Malacothamnus fasciculatus Mark L. Hoefs 1991-5-22 1277 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  POM243808  Malacothamnus fasciculatus F. R. Fosberg 1931-7-14 S- 5406 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  SFV2305  Malacothamnus fasciculatus P. G. Kilburn 1957-10-31 516 Los Angeles Simi Hills 2 miles west of Chatsworth Reservoir, near Cockrum Ranch. 350 Comment
  UCR259979  Malacothamnus fasciculatus R. G. Swinney 2010-2-27 11771 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
  UCR142501  Malacothamnus fasciculatus var. catalinensis F. R. Fosberg 1931-5-5 S- 4770 Los Angeles Channel Islands, Middle Ranch Dam, Middle Ranch Canyon, Santa Catalina Island 200 Comment
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Nov 20 2012
  CAS-BOT-BC204191  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles north of Castac [Castaic] 609 Comment
  CAS-BOT-BC204193  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles n. of Castac [Castaic] 609 Comment
  CAS-BOT-BC324550  Malacothrix David B. Weissman 1971-6-27 207 Los Angeles San Clemente Island, northwest harbor 91 Comment
  CAS-BOT-BC345320  Malacothrix californica Alice Eastwood 1913-5-11 3163 Los Angeles San Fernando Wash Comment
  JEPS36802  Malacothrix californica W. L. Jepson 1935-4-17 17048 Los Angeles 6.5 mi w Lancaster 731 Comment
  RSA535699  Malacothrix foliosa Timothy S. Ross 1991-5-22 5442 Los Angeles San Clemente Island: Spray (Point), W side of island about 5300 feet N of Eel Point. 9 Comment
  RSA659812  Malacothrix foliosa Orlando Mistretta, E. Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-4 107 Los Angeles San Clemente Island. Comment
  POM362303  Malacothrix glabrata Anstruther Davidson 1895-5-8 s.n. Los Angeles Lancaster. Comment
  UCR222734  Malacothrix glabrata R. G. Swinney 2009-4-29 10573 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CAS-BOT-BC347912  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1899-3-30 s.n. Los Angeles Sepulverda Canon [Sepulveda Canyon], Santa Monica Mts. Comment
  CAS-BOT-BC347926  Malacothrix saxatilis var. tenuifolia F. A. Thackery 1928-6-3 439 Los Angeles Mulholland Drive Comment
  JEPS30673  Malacothrix saxatilis var. tenuifolia Peter H. Raven and Henry J. Thompson 1959-9-6 14378 Los Angeles mouth Malibu Creek; Santa Monica Mountains 12 Comment
  SBBG66172  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-3 4480 Los Angeles Pebbly Beach 5 Comment
  SD92010  Malacothrix saxatilis var. tenuifolia Reid Moran, R. M. Beauchamp and T. Oberbauer 1975-8-22 22668 Los Angeles San Clemente Island; Wilson's Cove. 20 Comment
  SEINET11799395  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1932-1 7999 Los Angeles Hollywood Comment
  UC33291  Malacothrix sonchoides Dr. A. Davidson May, 1895 Los Angeles Antelope Valley Comment
  HSC79117  Malosma laurina James Henrickson 1973-6-23 10924 Los Angeles Santa Monica Mtns., Topanga Canyon, 0.75 mi. N of Topanga P.O. along old Topanga Canyon Rd. 244 Comment
  LA94275  Malosma laurina Norman A. Cole; May 1964 316 Los Angeles SANTA MONICA MOUNTAINS, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico. Site 9. 152 Comment
  SD69028  Malosma laurina Robert F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island, upper part of Cape Canyon on slopes of Black Mountain 320 Comment
  SEINET1034128  Malosma laurina S. Davis 2001-4-29 Los Angeles Pepperdine University campus, Biological Reserve, Comment
  UCR108641  Malva neglecta L. C. Wheeler 1970-5-14 s.n. Los Angeles Watts; Success Street, just south of 103d Street. 31 Comment
  UCR131416  Malva nicaeensis Alison Lipman 1998-3-12 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes, north of Montemalaga and west of Malaga Canyon 122 Comment
  SFV16072  Malva parviflora P. W. Byrne, K. Moser 1994-5-14 40 Los Angeles Santa Monica Mountains Topanga State Park. Topanga. Near entrance at end of Waveview Drive alongside a dirt fire road on north-facing slope. 350 Comment
  UC198523  Malva parviflora Katharine Brandegee May, 1916 Los Angeles Santa Catalina Island Comment
  RSA213432  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles Mosquito Harbor, San Clemente Island Comment
  RSA763242  Marah fabacea Justin M. Wood 2010-5-10 1619 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  LA30204  Marah macrocarpa Harlan Lewis; March 1950 sn Los Angeles Santa Monica Mountains, Mulholland Drive near Sepulveda Way Comment
  RSA52137  Marah macrocarpa I. L. Wiggins 1949-2-21 s.n. Los Angeles San Clemente Island: Wilson's Cove Comment
  RSA592469  Marah macrocarpa Mark Hoefs 1973-3-13 59 Los Angeles Upper Avalon Canyon, by water tank above Wrigley Memorial, north exp. 274 Comment
  RSA604498  Marah macrocarpa L. C. Wheeler 1933-5-13 1734 Los Angeles 2 mi. N of Claremont Comment
  RSA609284  Marah macrocarpa var. macrocarpa L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  CDA29486  Marrubium vulgare Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  LA81992  Marrubium vulgare O. H. Kappler; 1941-3-26 150 Los Angeles Santa Monica Mountains, Corral Canyon, unspecific location Comment
  LA81994  Marrubium vulgare Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA738062  Marrubium vulgare Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael Hills. 213 Comment
  UC416691  Marrubium vulgare J. Grinnell 1903-6-27 Los Angeles near Pasadena (Arroyo Seco); Arroyo Seco Comment
  POM362446  Matricaria matricarioides M. B. Dunkle 1933-4-14 3298 Los Angeles Long Beach. Comment
  UC311497  Meconella denticulata Philip A. Munz 1925-4-23 9413 Los Angeles San Gabriel Canyon 304 Comment
  UCR258849  Medicago polymorpha R. G. Swinney 2010-3-16 11908 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
  UC557772  Medicago polymorpha Nell Murbarger March, 1936 67 Los Angeles San Clemente Island; e side Comment
  RSA0106489  Melica imperfecta R. G. Swinney 2011-3-18 14159 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA773282  Melica imperfecta R. G. Swinney 2009-5-20 10814 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  RSA87457  Melica imperfecta F. W. Peirson 1918-04 1569 Los Angeles Altadena. Comment
  UC818867  Melica imperfecta C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4766 Los Angeles Bouquet Canyon 550 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
  CDA36657  Mentzelia affinis G. D. Barbe, T. C. Fuller 1973-4-9 1197 Los Angeles 4 miles (6.4 km) south of Palmdale, 0.7 mile north of Pearblossom Highway on Sierra Highway, 5.3 miles (8.5 km) west of Four Points (junction Highway 138). 0 Comment
  UC1929991  Mentzelia albicaulis Scott D. White 2004-5-5 10296 Los Angeles Liebre Mtns: Bald Mtn area, west of Old Ridge Route. Comment
  HSC79302  Mentzelia albicaulis Roberta G. Robertson 1974-4-27 215 Los Angeles 0.4 mi. S of Jct. Pearblossom Hwy. (Hwy. 138) and Largo Vista Rd. (Hwy. N4), on Largo Vista Rd., 20.7 air mi. ESE Palmdale, Antelope Valley. 1037 Comment
  UC73396  Mentzelia congesta H. M. Hall 1899-6-20 1228 Los Angeles San Antonio Mountains, Lytte Creek Canyon 1752 Comment
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Mar 21 2014
  RSA579544  Mentzelia dispersa Tim S. Ross, Steve D. Boyd 1994-6-23 8060 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
  UCR271247  Mentzelia dispersa R. G. Swinney 2011-6-1 14969 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  UCR126628  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2003-8-7 27176 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  RSA578622  Mentzelia laevicaulis Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8092 Los Angeles 'Cottonwood Swamp'': confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 514 Comment
  RSA162703  Mentzelia lindleyi J. D. Olmsted 1958-4-26 116 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary of LA Co. 366 Comment
  RSA69575  Mentzelia micrantha F. W. Peirson 1923-5-21 4450 Los Angeles Fish Canyon 534 Comment
  RSA718288  Mentzelia veatchiana R. G. Swinney, Dave Larson 1996-7-17 5127 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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Jun 26 2010
  UC917117  Mentzelia veatchiana D. C. Finfrock 1950-4-21 25 Los Angeles 2.5 mi Gorman (on Lancaster road) Comment
  RSA402628  Mesembryanthemum nodiflorum F. R. Fosberg 1931-4-29 S- 4732 Los Angeles Santa Catalina Island, 1.5 miles below Eagle s Nest, Middle Ranch Canyon 100 Comment
  POM18204B  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6732 Los Angeles Grassy slope S of Lemon Tank, San Clemente Island 244 Comment
  POM19012  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 Los Angeles San Clemente Island; S of Lemon Tank west coast Comment
  SD90582  Microseris douglasii subsp. platycarpha Robert F. Thorne 1966-4-17 36102 Los Angeles San Clemente Island; desiccated vernal pool on mesa just northwest of Thirst. 550 Comment
  RSA709548  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2005-4-26 29742 Los Angeles Western San Gabriel: Liebre Mtns. Region: Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  RSA535304  Microseris heterocarpa Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5322 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  POM246542  Microseris lindleyi F. R. Fosberg 1931-3-27 4403 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  LA51922  Mimulus aurantiacus A. M. Johnson; 1934-5-1 4447 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  LA51924  Mimulus aurantiacus Martha Hilend Kinsey; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  SFV18458  Mimulus aurantiacus C. Ferguson 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Comment
  SFV20881  Mimulus aurantiacus L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1078 Los Angeles Verdugo Mountains North side of Verdugo Mountains south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south or and you can see the 210 Freeway. 556 Comment
  UCD122181  Mimulus aurantiacus Richard Bates 1949-5-8 s.n. Los Angeles Big Tujunga Canon. Comment
  UCD122222  Mimulus aurantiacus A. C. Sanders; D. Malueg 1998-6-22 22028 Los Angeles San Gabriel Mtns. La Canada, SCE Gould Substation off Hwy 2, Gould Canyon. 595 Comment
  RSA0056608  Mimulus aurantiacus LeRoy Gross 2001-5-28 417 Los Angeles Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. 476 Comment
  POM19079  Mimulus aurantiacus var. parviflorus P. A. Munz 1923-4-10 6707 Los Angeles San Clemente Island; wall of canyon S of 'Lemon Tank' Comment
  RSA772107  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-5-20 10845 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UC314538  Mimulus aurantiacus var. pubescens Marcus E. Jones, A. M. 1926-3-16 Los Angeles w Pomona Comment
  POM50118  Mimulus aurantiacus var. puniceus L. W. Nuttall 1921-1-14 1008 Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  UCD122393  Mimulus aurantiacus var. puniceus Daryl Koutnik 1978-3-27 173 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at end of Mountain Ave, Claremont. 579 Comment
  UCR272687  Mimulus aurantiacus var. puniceus Steven A. Junak 2000-6-30 SCa 1361 Los Angeles Channel Islands, Santa Catalina Island, slope just west of summit of Mt. Torquemada and Triangulation Point 'well 2 402 Comment
  RSA654032  Mimulus brevipes Valerie L. Soza, Laura Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. 579 Comment
  UCR200170  Mimulus brevipes Valerie Soza, Laura A. Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  UCR273199  Mimulus brevipes R. G. Swinney 2011-4-26 14469 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  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
  UC27072  Mimulus constrictus J. Burtt Davy May 9 1896-May 24 1896 2488 Los Angeles near Manzana; Antelope Valley Comment
  UCR190010  Mimulus floribundus R. G. Swinney 1998-7-30 6593 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UC1349310  Mimulus floribundus Robert F. Thorne and M. Z. Thorne 1966-8-29 36572 Los Angeles ca. 3 mi s Coldbrook Campground (along branch of and along main stream of North Fork of San Gabriel River); San Gabriel Mts., Angeles National Forest 670 Comment
  RSA408110  Mimulus fremontii Lester Rowntree 1930-4-10 s.n. Los Angeles Road from Little Rock to Valyermo. Comment
  RSA0091345  Mimulus guttatus R. G. Swinney 2011-5-12 14710 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  UCR277241  Mimulus guttatus R. G. Swinney 2010-5-25 12930 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA442754  Mimulus guttatus H. L. Bauer 1931-5-1 16765 Los Angeles Near Sherwood L. Santa Monica Mt. Comment
  RSA80450  Mimulus guttatus F. W. Peirson 1920-5-12 5289 Los Angeles mouth of canyon of San Gabriel River 229 Comment
  SEINET8216183  Mimulus guttatus G. R. Campbell 1948-5-13 585 Los Angeles San Dimas Canyon, just below fire station. Comment
  UCSB41773  Mimulus guttatus Rice, Stevan 1969-3-10 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park; off of San Dimas Ave; in a canyon 300 yds. NW of the road 304 Comment
  RSA624038  Mimulus johnstonii Arthur R. Kruckeberg 1940-6-3 926 Los Angeles San Gabriel Mountains: South Fork, Big Rock Creek Trail, East Slope 1982 Comment
  RSA747195  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles Big Rock Creek at Paradise Springs. 1439 Comment
  SFV16960  Mimulus johnstonii J. N. Hogue, P. Wilson 1997-6-27 87 .3 Los Angeles San Gabriel Mountains Highway 2, mile marker 54.22. Near Camp Valcrest. 1829 Comment
  RSA654416  Mimulus longiflorus Matt Brooks 1988-5-1 23 Los Angeles Whittier, Skyline Equestrian trail 0.5 miles south of its intersection with Turnbull Canyon Rd. Comment
  RSA650615  Mimulus longiflorus subsp. longiflorus George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA0014593  Mimulus parishii Orlando Mistretta, Christine Mistretta 2011-6-17 5707 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  SEINET10570116  Mimulus pilosus David B. Dunn 1940-12-7 Dunn 665 Los Angeles Big Tujunga Wash, near Sunland. Comment
  RSA586971  Mimulus rubellus Orlando Mistretta 1995-5-23 1709 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. W side tributary drainage NE of Pacifico Mtn. 1905 Comment
  RSA763140  Minuartia douglasii Justin M. Wood 2010-5-10 1564 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  RSA642422  Minuartia douglasii Orlando Mistretta 1995-6-23 1832 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1981 Comment
  UC851757  Mirabilis californica var. californica I. W. Clokey and B. C. Templeton 1930-4-8 4686 Los Angeles San Francisquito Canyon 700 Comment
  RSA0016140  Monardella australis R. G. Swinney 1997-6-25 5646 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail, ca. 1.3 mi. SE of Hwy 2 2256 Comment
  JEPS63313  Monardella cinerea Frank W. Peirson 1918-6-8 182 Los Angeles Baldy (Mt. San Antonio); San Gabriel Mts. 2286 Comment
  LA62775  Monardella exilis Victor Duran; 1933-5-23 3415 Los Angeles near Lancaster 716 Comment
  SD41984  Monardella exilis Darley F. Howe 1947-5-5 1527 Los Angeles Between Palmdale and Littlerock. Comment
  RSA84227  Monardella linoides F. W. Peirson 1922-7-5 3160 Los Angeles Elevation north of Big Pines called La Montaine 2226 Comment
  POM220097  Monardella viridis subsp. saxicola Louis C. Wheeler 1932-6-27 880 Los Angeles 200 yards NNE San Dimas Canyon Dam near the road, San Gabriel Mtns. 427 Comment
  UC1870288  Morus alba LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 965 Los Angeles Transverse Ranges; Verdugo Mountains region; West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast o ... 549 Comment
  CAS-BOT-BC108998  Mucronea californica Marcus E. Jones 1882-5-3 3221 Los Angeles Pasadena. Comment
  RSA547472  Muhlenbergia californica Timothy S. Ross, Orlando Mistretta 1992-7-24 6770 Los Angeles Vicinity of Strawberry Spring, 76 deg. ENE, 900 m distant from Strawberry Peak summit 1460 Comment
  UCR182490  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  CAS-BOT-BC275277  Muhlenbergia microsperma Le Roy Abrams 1903-3-11 3111 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  RSA0084492  Muhlenbergia microsperma R. G. Swinney 2010-4-13 12213 Los Angeles Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA584601  Muhlenbergia microsperma Timothy S. Ross, Orlando Mistretta 1993-5-27 7330 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  SBBG112970  Muhlenbergia microsperma S. A. Junak 1998-6-13 SCa 748 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  RSA773296  Muhlenbergia rigens R. G. Swinney 2009-6-3 11050 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 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
  SBBG57543  Muilla maritima M. N. Ackley -Jun-1922 666 Los Angeles Glendale 182 Comment
  UCR223539  Muilla maritima R. G. Swinney 2009-5-27 10903 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  UCR259272  Muilla maritima R. G. Swinney 2010-5-4 12517 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
  RSA377603  Muilla maritima Christopher Davidson 1975-5-25 2562 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on road 7N23 to Liebre Mountain., ca. 0.4 mile past Sandberg Peak. Angeles National Forest. 1646 Comment
  SBBG20585  Munzothamnus blairii E. R. Blakley 1963-12-8 6385 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  RSA0010800  Myoporum laetum R. G. Swinney 1998-2-16 5893 Los Angeles San Gabriel Mountains/San Gabriel Valley: mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank. 183 Comment
  SEINET269168 Image available Myoporum laetum Scott D. White 1995-1 2575 Los Angeles Upslope from Winter Cyn. near Pepperdine Univ. north of Pacific Coast Hwy. E of Maliby Cyn. Rd. SW of Maliby Civic C 91 Comment
  SFV17381  Myriophyllum aquaticum P. M. Schiffman 1998-5-21 s. n. Los Angeles San Fernando Valley Ponds in Tujunga Wash near gravel pits. 335 Comment
  RSA729958  Nama demissa var. demissa R. G. Swinney 1999-4-5 7062 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
  RSA655999  Nassella cernua James Henrickson 1985-3-30 19786 Los Angeles Ca. 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  RSA0080162  Nassella lepida Orlando Mistretta 1992-7-9 667 Los Angeles San Gabriel Mtns: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA484127  Nassella pulchra M. B. Dunkle 1928-3-31 1786 Los Angeles Cottonwood Canyon, Santa Catalina Island Comment
  RSA604517  Nassella pulchra Sara L. Crockett, Sheila Schueller 1997-3-8 562 Los Angeles Santa Catalina Island. Point overlooking Cottowood Beach. 79 Comment
  CAS-BOT-BC60406  Nasturtium officinale P. A. Munz; L. S.; G. W. 1919-4-12 2494 Los Angeles Near Puente. Comment
  RSA784678  Navarretia fossalis Anonymous 1995-7-15 s.n. Los Angeles Cruzan Mesa, SW Sierra Pelona Mtns, off Vasquez Cyn Rd, NE of Saugus. Comment
  POM122636  Navarretia hamata subsp. hamata Marcus E. Jones 1926-6-6 s.n. Los Angeles Claremont. 365 Comment
  RSA244379  Navarretia hamata subsp. hamata Robin S. Collins 1973-5-15 282 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 609 Comment
  CATA1222  Navarretia hamata subsp. leptantha Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-21 2287 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 286 Comment
  LA211177  Navarretia mitracarpa Arthur C. Gibson; 2008-6-4 5346 Los Angeles SIMI HILLS, Cheeseboro SMMNRA, Agoura Hills. Comment
  RSA464363  Nemacaulis denudata var. gracilis George B. Grant 1903-1 827 Los Angeles Terminal Island Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  LA94322  Nemacladus ramosissimus Peter H. Raven; David S. Verity 1960-5-7 15347 Los Angeles Santa Monica Mountains, Cornell Corners, just W of Cornell Corners 228 Comment
  RSA421329  Nemophila menziesii M. B. Dunkle 1938-3-20 5250 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  SEINET5521005  Nemophila menziesii E. Braunton 166 Los Angeles Garvanza Comment
  UC373304  Nemophila menziesii var. integrifolia Marcus E. Jones, A. M. May, 1882 Los Angeles Pasadena Comment
  UCR182265  Nemophila menziesii var. integrifolia R. G. Swinney, Dave Larson 1998-4-26 6034 Los Angeles San Gabriel Mtns., Browns Flat, San Dimas Experimental Forest 1332 Comment
  UC67157  Nemophila menziesii var. integrifolia E. Braunton 1903-4-15 862 Los Angeles Comment
  SBBG37659  Nemophila pedunculata R. Moran 1941-3-6 681 Los Angeles Middle Ranch Cyn 300 Comment
  UCR269968  Nemophila spatulata R. G. Swinney 2010-6-1 13102 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  SBBG31212  Nicotiana bigelovii R. F. Thorne with P. C. Everett 1965-2-22 34883 Los Angeles new rd along East Mtn (Peak) 128 Comment
  HSC20455  Nicotiana quadrivalvis C. S. Apperson 1967-6-11 Los Angeles 3 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  SEINET10696848  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3965 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  POM355619  Oenothera elata subsp. hirsutissima P. A. Munz 1930-7-3 S- 3100 Los Angeles San Gabriel River, El Monte. Comment
  RSA601255  Olea europaea Louis C. Wheeler 1946-1-13 6168 Los Angeles San Marino. La Presa Drive and Huntington Drive. Comment
  UCR266307  Oligomeris linifolia Robert Hamilton 2009-4-14 s.n. Los Angeles South Coast, Palos Verdes Peninsula, a short distance up the coast from the preschool at Abalone Cove 6 Comment
  UC717057  Orcuttia californica A. A. Beetle 1946-6-11 4678 Los Angeles in dry ditches assimilating vernal pools around airport at at corner of South Western Avenue and Rosecrans Avenue; Los Angeles Comment
  UCD34818  Orcuttia californica Beecher Crampton 1963-5-8 6793 Los Angeles Los Angeles. N of Gardena, Rosecrans Ave, just W of its junction with Western Ave. Comment
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May 15 2009
  RSA100761  Oreonana vestita F. W. Peirson 1918-6-17 137 Los Angeles summit of North Baldy 2743 Comment
  RSA0076170  Orobanche bulbosa Gary D. Cromwell, David W. Wheat 1971-7-1 707 Los Angeles Northwest-facing slope opposite mouth of Mystic Canyon. 3/4 mile up Big Dalton Canyon from juction of Big Dalton Canyon Rd. and Glendora Mountain Rd. San Gabriel Mts. 426 Comment
  SEINET13276687 Image available Orobanche fasciculata R. G. Swinney 2011-1 15249 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 (Waterman Mt. 7.5' Q.) 1780 Comment
  RSA0059139  Orobanche valida subsp. valida Orlando Mistretta 1995-6-23 1408 Los Angeles Vicinity of Lookout Mountain; approximately 0.25 miles SE of Lookout Mountain summit. 1829 Comment
  RSA402061A  Orthocarpus purpurascens A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  POM147841  Orthocarpus purpurascens var. pallidus Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  RSA596021  Orthocarpus purpurascens var. purpurascens Tim S. Ross, J. Mark Porter 1995-5-4 8438 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA657300  Orthocarpus purpurascens var. purpurascens Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -12 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA286655  Osmorhiza brachypoda R. F. Thorne, Larry E. DeBuhr 1974-6-28 44779 Los Angeles San Gabriel Mts., Angeles National Forest: Falling Springs on Soldier Creek 1173 Comment
  UCR209970  Osmorhiza chilensis R. G. Swinney 2008-7-15 9233 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  LA50660  Oxalis californica W. O. Griesel; 1936-3-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  UCR216892  Oxalis pes-caprae R. G. Swinney 2009-2-20 10027 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCR219450  Oxalis pes-caprae R. G. Swinney 2009-3-28 10183 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  POM353466  Oxalis pes-caprae F. R. Fosberg 1931-4-9 S 4523 Los Angeles Descanso Canyon, Santa Catalina Island. 5 Comment
  RSA776524  Oxytheca parishii var. parishii Jane Tirrell 2011-7-25 LS- 32 Los Angeles On crest of ridge approximately 0.5 mile east of Windy Gap. 2426 Comment
  UC1375432  Oxytheca trilobata Robert F. Thorne and C. W. Tilforth 1971-6-29 40722 Los Angeles where crossed by Angeles Forest Rd Tie Canyon (slopes along Aliso Creek); San Gabriel Mts., Angeles National Forest, Aliso Creek 1371 Comment
  UC2026438  Oxytheca trilobata Steve Boyd, L. Raz 1997-6-17 9965 Los Angeles LIEBRE MOUNTAINS REGION: West end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19, at the point where fuel break crosses the road. Comment
  CAS-BOT-BC318202  Packera breweri W. R. Dudley; Frank Haines Lamb 1896-6-9 4424 Los Angeles Canon with firs. Comment
  UC1870261  Packera ionophylla LeRoy Gross, Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges; San Gabriel Mountains region; Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. Near 34.36445N, 117.84960W Comment
  CAS-BOT-BC121174  Paeonia californica M. E. Jones 1882-5-3 2615 Los Angeles Pasadena Comment
  UCSB2027  Paeonia californica Wedberg, H. 1958-2-22 Los Angeles About 5 miles west of Beverly Glen on Mulholland Drive, Santa Monica Mts. Comment
  POM48028  Paeonia californica C. F. Baker 1903-4-1 4120 Los Angeles Claremont. Comment
  UCR238980  Parietaria hespera var. hespera Anuja Parikh, Nathan Gale 2010-5-6 3147 Los Angeles South Coast, San Gabriel Valley, spillway channel of Santa Fe Flood Control Basin, 1.1 km northeast of intersection of Hwy I-605 and Arrow Hwy 139 Comment
  RSA714589  Parthenocissus vitacea A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near 'Airport Mesa' 305 Comment
  RSA657222  Paspalum dilatatum Patricia Kouo 1994-4-27 944144 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  RSA765877  Paspalum distichum R. E. Riefner Jr. 2007-7-1 07 -290 Los Angeles City of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore Dr. 294 Comment
  UCR186877  Pectocarya linearis A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32079 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
  POM368746  Pectocarya linearis subsp. ferocula M. B. Dunkle 1929-4-7 2096 Los Angeles White s Landing, Santa Catalina Island. Comment
  RSA0063026  Pectocarya linearis subsp. ferocula LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7014 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA159345  Pectocarya linearis subsp. ferocula P. H. Raven 1962-4-10 17224 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  RSA654029  Pectocarya penicillata Valerie L. Soza, Laura Moore 2000-5-10 834 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines. 594 Comment
  UCR222816  Pectocarya penicillata R. G. Swinney 2009-4-29 10581 A Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UCR270482  Pectocarya penicillata R. G. Swinney 2011-4-1 14299 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
  RSA549557  Pectocarya recurvata Tim Ross 1992-4-4 6105 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  RSA570197  Pectocarya setosa T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5035 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  UCR194046  Pectocarya setosa R. G. Swinney 1999-5-22 7188 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  LA51893  Pedicularis densiflora Harlan Lewis; 1940-2-24 1083 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 609 Comment
  UC399514  Pellaea andromedifolia C. F. Millspaugh 1920-1-9 4559 Los Angeles Avalon Canyon; Santa Catalina Isl Comment
  RSA609281  Pellaea andromedifolia var. andromedifolia L. C. Wheeler 1968-5-24 s.n. Los Angeles Smith Mountain along the Bear Creek Trail. 1219 Comment
  RSA133404  Pellaea andromedifolia var. andromedifolia P. H. Raven 1959-2-23 13800 Los Angeles Santa Monica Mountains: 0.9 miles south of junction of Carlisle Road with Decker R 426 Comment
  RSA657442  Pellaea mucronata subsp. mucronata Joseph M. Keefe 2001-1-19 30983 Los Angeles Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, California 91040. 385 Comment
  RSA133468  Pellaea mucronata var. mucronata P. H. Raven, Henry J. Thompson 1959-4-3 13912 Los Angeles Las Flores Canyon 3.8 miles north of Coast Highway. 549 Comment
  RSA11078  Penstemon centranthifolius Carl B. Wolf 1928-3-29 1585 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA596485  Penstemon centranthifolius Louis C. Wheeler 1967-5-24 9721 Los Angeles San Gabriel Mountains. Indian Canyon 'Campground' 823 Comment
  RSA724651  Penstemon centranthifolius K. Dobry 1991-5-13 493 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  RSA79779  Penstemon centranthifolius F. W. Peirson 1905-1 200 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UCR130055  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-5-21 4051 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  RSA654357  Penstemon grinnellii subsp. grinnellii Valerie L. Soza, LeRoy Gross 2000-5-23 956 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  NY601245  Penstemon grinnellii var. scrophularioides T. S. Ross 1994-5-4 7647 Los Angeles Vicinity of Grass Mountain: ridge descending east-southeast from the north summit of Grass Mountain; margin of Grass Mountain - Leona Divide Truck Trail. 1274.1 Comment
  PASA879  Penstemon heterophyllus Frank W. Peirson 1929-7-1 Los Angeles Aliso Creek at Tie Canyon, San Gabriel Mts. 1356 Comment
  POM307821  Penstemon heterophyllus var. australis Henry J. Ramsey, Henry J. Ramsey 1938-6-19 2739 Los Angeles Eaton Canyon, Altadena Comment
  NY601697  Penstemon heterophyllus var. heterophyllus B. Anderson 1948-6-20 140 Los Angeles San Gabriel Mountains, highway leading from La Canada to Palmdale, 3 miles past Hidden Springs toward Palmdale 1219.2 Comment
  RSA530061  Penstemon labrosus Tim S. Ross 1991-8-16 5849 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  NY661019  Penstemon speciosus L. Abrams 1908-7-5 643 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1981.2 Comment
  SBBG26834  Penstemon spectabilis I. W. Clokey, B. Templeton -Apr-1929 4475 Los Angeles Mandeville Cyn 300 Comment
  RSA401801  Penstemon spectabilis Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon. Comment
  RSA656227  Penstemon spectabilis subsp. subviscosus Joseph M. Keefe 1978-6-2 23305 Los Angeles Verdugo Mountains: 40 m north of Mountain Street, 70 m west of Glendale Freeway (California Highway 2), Glendale College, Glendale, San Rafael Hills. 300 Comment
  LA94188  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1662 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  SFV16593  Pentagramma triangularis subsp. triangularis J. D. Dilley 1996-12-14 113 Los Angeles Verdugo Mountains La Tuna Canyon Park, about 1.2 miles up trail. 610 Comment
  UCSB62237  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-11-12 Los Angeles San Gabriel Mtns., Iron Fk. of the E. Fk. of the San Gabriel River, ca. 1/2 mi. up from Iron Fk. Camp 1036 Comment
  RSA687391  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1939-4-4 7244 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UC62737  Pentagramma triangularis subsp. triangularis Geo. B. Grant 1901-1 530 Los Angeles Old Wilson Trail Comment
  RSA0060256  Pentagramma viscosa R. F. Thorne 1966-4-7 35967 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley. 61 Comment
  UCR19499  Perityle emoryi John C. Roos 1948-8-26 s.n. Los Angeles South Coast, Malibu 6 Comment
  CAS-BOT-BC534059  Phacelia R. G. Swinney 2010-4-30 12448 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, c. 0.7 mi E of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn 537 Comment
  CHSC3681  Phacelia Mary MacArthur 1966-5-26 28 Los Angeles San Gabriel Mts. Switzers Camp. 914 Comment
  UCR189867  Phacelia R. G. Swinney 1998-7-21 6487 Los Angeles San Gabriel Mtns., 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
  UCR223158  Phacelia R. G. Swinney 2009-5-20 10847 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA587464  Phacelia affinis Orlando Mistretta 1995-4-11 1616 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  UCR206438  Phacelia austromontana R. G. Swinney 2008-6-10 8987 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  RSA428100  Phacelia austromontana I. M. Johnston 1932-6-10 15494 Los Angeles Above Manker Flats on N slope, just beyond saddle near Sierra Club cabin Comment
  POM188388  Phacelia bicolor P. A. Munz, Thos. Craig 1933-5-13 12937 Los Angeles 10 miles south of Muroc. Comment
  UCSC001203  Phacelia brachyloba Peter Kamb 1948-7-13 1219 Los Angeles burned patches in chaparral Big Tujunga Canyon, Bryant Ganyon (Big Tujunga Canyon at mouth of Bryant Ganyon, South side of canyon) - San Gabriel Mts. 549 Comment
  RSA0081781  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  SBBG128123  Phacelia cicutaria var. hispida M. L. Hoefs 1994-5-21 1856 Los Angeles near upper Renton Mine Rd 252 Comment
  UCR126579  Phacelia cicutaria var. hispida A. C. Sanders 2003-4-17 26067 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1 km south of Magic Mountain amusement park and north of the powerlines 442 Comment
  UCR256148  Phacelia cicutaria var. hispida R. G. Swinney 2010-4-20 12310 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  CDA40344  Phacelia cicutaria var. hispida T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  SBBG45493  Phacelia cicutaria var. hispida Leota Davidson 1965-5-16 195 Los Angeles Elizabeth Cyn near Castaic Comment
  PASA1380  Phacelia davidsonii Margaret Stason 1931-6-13 Los Angeles Chilao, San Gabriel Mts. Comment
  UCR119533  Phacelia davidsonii L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  RSA134840  Phacelia distans Peter H. Raven 1960-4-2 14860 Los Angeles Mulholland Hwy, 1 mile W of Las Virgenes Road. Malibu Creek drainage 213 Comment
  RSA426232  Phacelia distans Roy R. Snelling 1977-4-18 8 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  UC284812  Phacelia distans P. A. Munz 1923-5-25 6813 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  RSA426229  Phacelia distans Tom Burch 1940-3-9 s.n. Los Angeles Redondo Beach. 0 Comment
  RSA587261  Phacelia distans Orlando Mistretta 1994-5-13 1212 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA587288  Phacelia egena Tim S. Ross 1990-5-17 2551 Los Angeles North Fork Mill Creek: along Forest Service Road 3N27, 10.0 road miles N of Big Tujunga Canyon Rd. ca 425m SSW of Ed Triangulation Point (4990 ft) 1396 Comment
  LA38511  Phacelia grandiflora Harlan Lewis; 1940-2-24 1073 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  SEINET3158153  Phacelia grandiflora G. B. Grant 1903-1 960 Los Angeles Pasadena Comment
  RSA746953  Phacelia longipes R. G. Swinney 2008-5-2 8721 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  POM155773  Phacelia lyonii M. B. Dunkle 1928-10-7 1989 Los Angeles Middle Ranch gorge, Santa Catalina Island. 30 Comment
  RSA428066  Phacelia minor M. Bisbee 1917-4-15 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  RSA785875  Phacelia minor Doris Bowers 1957-5-12 899 Los Angeles Arroyo Seco, Pasadena. 305 Comment
  UC1426010  Phacelia minor Donald R. Bissing 1973-5-18 82 Los Angeles ne slope of canyon 0.7 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 780 Comment
  RSA229211  Phacelia mohavensis Robert F. Thorne 1971-6-30 40829 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  UCR256462  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 Los Angeles San Gabriel Mountains, 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 573 Comment
  CAS-BOT-BC133977  Phacelia ramosissima var. latifolia G. B. Grant 1900-6-5 s.n. Los Angeles Pasadena. Culvert SPRR near Raymond Comment
  SFV6221  Phacelia tanacetifolia R. M. Muran 1974-3-26 55 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  RSA74150  Phacelia tanacetifolia F. W. Peirson 1919-3-30 311 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  RSA682506  Phacelia viscida Scott D. White, Michael Honer 2003-5-7 9200 Los Angeles Santa Clarita Area: South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway. 335 Comment
  UCR190604  Phalaris aquatica R. G. Swinney 2000-5-19 7687 Los Angeles San Gabriel Mtns., San Dimas, Johnstone Peak ridge, overlooking San Dimas Canyon at end of dirt road SE from the peak 768 Comment
  UC122013  Phalaris caroliniana Dr. A. Davidson 1898-1 Los Angeles Los Angeles Comment
  RSA3568  Phalaris minor C. B. Wolf 1932-5-12 3581 Los Angeles Hillside east of the Isthmus, Santa Catalina Island. 30 Comment
  UCR186996  Phlox gracilis A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31959 Los Angeles Tehachapi Mtns. Foothills, south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1067 Comment
  RSA435580  Pholisma arenarium H. E. Hasse, Anstruther Davidson 1906-6-6 1499 Los Angeles Big Rock Creek Comment
  RSA435593  Pholisma arenarium Bonnie C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo 10 Comment
  SFV3048  Pholistoma auritum K. A. Wilson 1961-3-10 951 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  UCR205078  Pholistoma auritum R. G. Swinney 2008-4-9 8624 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  POM3735  Pholistoma auritum var. auritum I. M. Johnston 1917-5-6 1920 Los Angeles Evey Canyon, north of Claremont. 762 Comment
  RSA733447  Pholistoma membranaceum R. G. Swinney 2001-4-18 7896 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, ridge top ca. 500 m east of south end of Bobs Gap Comment
  SBBG18720  Pholistoma racemosum E. R. Blakley 1963-4-7 5506 Los Angeles between Little Harbor and Cottonwood Cyn 45 Comment
  UC455948  Pholistoma racemosum I. J. Condit 1911-3-27 Los Angeles Santa Catalina Island Comment
  UC702045  Pholistoma racemosum Harlan Lewis 1946-5-2 104 Los Angeles summit w. of Avalon; Santa cataline Isl. Comment
  CAS-BOT-BC134958  Phoradendron bolleanum James R. Shevock 1976-4-24 5016 Los Angeles along Big Pines highway in the vicinity of Apple Tree Campground. San Gabriel Mts., Angeles National Forest 1524 Comment
  LA200865  Phoradendron macrophyllum Carl Epling; L. Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA250615  Phoradendron macrophyllum Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39544 Los Angeles Along Big Rock Creek, below Sycamore Flat Camp, ca 2.5 miles south of Valyermo Station 1280 Comment
  RSA747160  Phoradendron villosum R. G. Swinney 2008-6-4 8932 Los Angeles Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters. 1329 Comment
  LA94733  Phoradendron villosum subsp. villosum P. R. Atsatt; Peter H. Raven, Henry J. Thompson 1955-7-10 553 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. Comment
  RSA683982  Phyllospadix torreyi E. Yale Dawson 1948-8-29 5395 Los Angeles Rocky Point, Malaga Cove. Comment
  RSA0030775  Physalis acutifolia Louis C. Wheeler 1932-7-19 964 Los Angeles 2 miles N Claremont. 412 Comment
  RSA598925  Picris echioides Scott D. White 1997-3-12 4745 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  POM6220  Picris echioides I. M. Johnston 1917-4-11 s.n. Los Angeles N* Slough. [locality name change to Laguna Dominguez] Comment
  RSA596263  Picris echioides R. G. Swinney 1989-6-10 s.n. Los Angeles Big Dalton Canyon, in and near Glendora Wilderness Park, Big Dalton Debris Basin 366 Comment
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Apr 2 2010
  SEINET11809970  Picris echioides J. F. Bright, Wyman, C. 1931-1 5724 Los Angeles Hollywood Comment
  UC1200601  Pinus attenuata Peter Kamb 1946-1-21 11 .1 Los Angeles below Mt. Lowe (Echo Mountain); San Gabriel Mountains 914 Comment
  RSA384427  Pinus contorta var. murrayana L. E. Hoffman 1932-10-2 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baldy. Comment
  MACF015658  Pinus flexilis F. A. MacFadden 1936-9-6 14743 Los Angeles Lake Arrowhead, California Comment
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Jun 5 2015
  CAS-BOT-BC72763  Pinus sabiniana Le Roy Abrams; E. A. McGregor 1908-6-19 399 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA382801  Piperia cooperi F. R. Fosberg 1931-4-7 S 4495 Los Angeles Hamilton Beach, Santa Catalina Island 20 Comment
  POM308878  Piperia elongata Kay H. Beach 1943-7-31 1872 Los Angeles Tanbark, Gilman Grove, San Dimas Experimental Forest U.S. Forest Dept. Angeles National Forest Comment
  CDA29521  Piptatherum miliaceum Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  UCD89891  Piptatherum miliaceum Peter H. Raven 1957-9-21 11366 Los Angeles Topanga Canyon 2.3 miles above United States Highway 101 alternative, Santa Monica Mountains. Comment
  RSA599252  Plagiobothrys canescens Steve Boyd, Lauren Raz 1997-3-31 9427 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA80191  Plagiobothrys canescens F. W. Peirson 1918-4-28 2735 Los Angeles Turnbull Canyon near Whittier, Puente Hills. Comment
  SD255681  Plagiobothrys collinus Dan S. Cooper 2015-3-3 315 8 Los Angeles Los Angeles Basin/Western Transverse Range: Griffith Park, utility road on west flank of Burbank Peak (Burbank 7.5'Q) 320 Comment
  SD82922  Plagiobothrys collinus var. fulvescens Robert F. Thorne 1969-7-2 38230 Los Angeles San Gabriel Mountains; Charlton Flats burn of 1954. 1600 Comment
  SBBG18701  Plagiobothrys collinus var. gracilis E. R. Blakley 1963-4-7 5531 Los Angeles viewpoint E of Wrigley Reservoir 441 Comment
  POM287297  Plagiobothrys nothofulvus Arthur L. Cohen 1934-8-2 517 a Los Angeles Ocean Park. Comment
  RSA595367  Plagiobothrys nothofulvus L. C. Wheeler 1967-5-8 9362 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA187919  Plantago coronopus Robert F. Thorne 1966-4-6 35900 Los Angeles Santa Catalina Island: small reservoir N of Catalina Airport. 436 Comment
  CATA941  Plantago erecta Mark L. Hoefs, Robert Given 1992-4-16 1805 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA412573  Plantago major F. R. Fosberg 1930-10-18 S- 4119 Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] 20 Comment
  JEPS26092  Plantago major Henry J. Thompson 1959-11-23 3010 Los Angeles Upper Franklin Canyon Reservoir Santa Monica Mountains 259 Comment
  RSA0115681  Plantago major Steven A. Junak 1997-11-15 SCa- 481 Los Angeles Santa Catalina Island. Avalon Canyon at Los Angeles County Interpretive Center. 76 Comment
  RSA209615  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7270 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA792097  Platanthera leucostachys Jane Tirrell, Shirley Imsand, Walter Fidler 2012-7-6 LS 0095 Los Angeles South side of California state Highway 2 100 m east of mile marker 67.7 2311 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
  RSA0008147  Platanus racemosa Peter H. Raven, H. J. Thompson 1959-9-6 14366 Los Angeles Borders of salt marsh at mouth of Malibu Creek. 9 Comment
  UCR264688  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10743 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  LA206299  Platystemon californicus Barbara Crumly; 1953-4-18 sn Los Angeles halfway between Lancaster and Gorman, highway 136 Comment
  RSA0121226  Platystemon californicus M. B. Dunkle 1933-4-19 3321 Los Angeles Palos Verdes Hills. Comment
  RSA445705  Platystemon californicus Frances M. Morey 1922-4-14 s.n. Los Angeles Culver City. Comment
  UCR256969  Pluchea odorata var. odorata Jeremiah George 2012-4-25 s.n. Los Angeles Compton, decommissioned railroad right-of-way NW of intersection of W Carob St. and South Acacia Ct., c. 1000 ft. west of Compton Creek channel, south of W Greenleaf Blvd., Rancho Dominguez area 21 Comment
  UCD134971  Pluchea odorata var. odorata Robert F. Thorne 1966-9-15 36677 Los Angeles Santa Catalina Island: above Parson's Landing, NW end of island. 45 Comment
  RSA92440  Poa annua F. W. Peirson 1918-04 1552 Los Angeles New York Drive, Altadena Comment
  UCR204747  Poa pratensis R. G. Swinney 2005-8-9 8421 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  RSA0098775  Poa secunda Richard G. Swinney 2011-7-8 15515 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
  RSA0119656  Poa secunda R. G. Swinney 2014-4-30 16300 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA526637  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4230 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA535340  Poa secunda Timothy S. Ross 1991-5-21 5392 Los Angeles San Clemente Island. Upper easterly branch of Box Canyon, affected by recent burn. 463 Comment
  RSA728292  Poa secunda Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1959 Los Angeles Fort Tejon Road Comment
  RSA728343  Poa secunda Gary D. Wallace 1982-4-17 1901 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA728781  Poa secunda Gary D. Wallace 1979-4-19 1688 Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR43343  Poa secunda David Charlton 1986-6-15 267 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CHSC95918  Poa secunda subsp. secunda LeRoy Gross 2005-4-28 2156 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
  UC76931  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2465 Los Angeles Manzana; Antelope Valley Comment
  RSA477715  Polycarpon depressum Tom Burch 1940-3-9 s.n. Los Angeles Redondo Beach. 0 Comment
  RSA637495  Polycarpon tetraphyllum Valerie L. Soza, LeRoy Gross 1999-7-15 633 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  RSA802442  Polygonum aviculare subsp. depressum Orlando Mistretta, Youssef Atallah 2011-8-16 6038 Los Angeles Aliso Canyon, 0.8 miles south of junction of Aliso Canyon Road and Angeles Forest Highway. 1295 Comment
  UCR256882  Polygonum capitatum R. G. Swinney 2010-8-16 13537 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  POM18233  Polygonum lapathifolium P. A. Munz 1923-10-7 7794 Los Angeles Bouquet Canyon, Saugus. Comment
  SBBG38820  Polypodium californicum M. B. Dunkle 1939-4-4 7248 Los Angeles Chenetti Cyn Comment
  UC1713557  Polypodium californicum Marcus E. Jones, A. M. 1924-2-15 Los Angeles San Antonio Canyon Claremont Comment
  CAS-BOT-BC233089  Polypogon interruptus Geo. B. Grant 1904-6-10 6121 Los Angeles [Sherman?] Comment
  UCR206411  Polypogon monspeliensis R. G. Swinney 2008-6-9 8952 Los Angeles San Gabriel Mtns., Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  POM7108  Polypogon viridis L. T. Street, G. Williams 1919-5-10 2711 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA385505  Polypogon viridis Robert Gustafson 1981-4-29 2212 Los Angeles Ballona Wetlands, Area 2. Comment
  SBBG13515  Polypogon viridis P. H. Raven 1962-5-22 17844 Los Angeles Middle Ranch 213 Comment
  RSA733227  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-17 6769 Los Angeles Upper Coldwater Canyon at NE end of Heaton Flat Trail 1244 Comment
  POM9792  Polystichum scopulinum F. W. Peirson 1921-6-17 2464 Los Angeles canyon on divide between Little Rock Creek tributary and Bear Creek, San Gabriel Mts. 1920 Comment
  POM360817  Populus balsamifera subsp. trichocarpa Marcus E. Jones 1930-2-14 26534 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  RSA0036072  Populus fremontii I. M. Johnston 1917-8-24 1659 Los Angeles Upper part of Niorth Fork Lytle Creek 1981 Comment
  RSA592277  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-9 9399 Los Angeles San Gabriel Mountains. Gleason Canyon, south of Aliso Canyon. 945 Comment
  CAS-BOT-BC445230  Portulaca oleracea Peter H. Raven 1957-9-21 11333 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  RSA0081785  Potamogeton amplifolius R. G. Swinney 2010-9-7 13707 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  UCR101740  Potamogeton pectinatus L. C. Wheeler 1945-8-15 6088 Los Angeles El Monte: Lake Shangri-La 88 Comment
  SEINET3892987  Potamogeton pectinatus Louis C. Wheeler 1946-8-28 6300 Los Angeles San Gabriel Mountains. Jackson Lake.; 0 1859 Comment
  RSA773909  Potentilla glandulosa R. G. Swinney 2009-7-22 11349 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC158282  Prunus fasciculata var. fasciculata Wesley O. Griesel 1961-5-13 s.n. Los Angeles State highway #2 between Wrightwood and Big Pines, San Gabriel Mts. 1828 Comment
  UCR197731  Prunus fasciculata var. fasciculata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 73 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA497995  Prunus ilicifolia H. L. Bauer 1932-4-1 15387 Los Angeles Saddle Peak road. 671 Comment
  UCR219560  Prunus ilicifolia R. G. Swinney 2009-3-28 10209 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
  SBBG12142  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-5-9 17703 Los Angeles N of Gray 304 Comment
  RSA702831  Prunus lyonii Scott D. White 2004-4-23 10234 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  CAS-BOT-BC356560  Pseudognaphalium biolettii Carl B. Wolf 1932-5-9 3429 Los Angeles Santa Catalina Island. 1/2 mi. from Avalon on road to Pebbly Beach 7 Comment
  RSA0068460  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
  UCR255510  Pseudognaphalium biolettii Dan S. Cooper 2014-5-23 514- 52 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Vista del Valle Rd. northeast of Mt. Hollywood 328 Comment
  UC284181  Pseudognaphalium biolettii P. A. Munz 1923-4-9 6676 Los Angeles side canyon on e coast San Clemente Island Comment
  CAS-BOT-BC356716  Pseudognaphalium californicum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4265 A Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  CATA732  Pseudognaphalium californicum Mark L. Hoefs 1991-5-22 1252 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  SFV21101  Pseudognaphalium luteoalbum L. Gross, W. Law 2000-8-8 246 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  UC896899  Pseudognaphalium microcephalum Louis C. Wheeler 1931-9-11 135 Los Angeles 2 mi ne La Verne 373 Comment
  UC1348837  Pseudotsuga macrocarpa unknown 1938-9-21 8387 Los Angeles Altadena 609 Comment
  NY63566  Pseudotsuga macrocarpa V. Duran 1933-7-27 3537 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR11915  Psilocarphus tenellus P. H. Raven, H. J. Thompson 1960-4-13 15075 Los Angeles Western Transverse Range; Santa Monica Mtns., NW slope of Mt. Hollywood 335 Comment
  SEINET6092335  Psilocarphus tenellus Unknown 1948-4-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCD169088  Psilotum nudum A. C. Sanders 2012-11-12 40519 Los Angeles South Coast/Los Angeles Basin, Gardena, Marukai Market Place, 1740 West Artesia Blvd., near intersection with Western Ave. 9 Comment
  UCR270301  Pteridium aquilinum R. G. Swinney 2011-6-30 15403 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  LA94224  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1963-6-9 544 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon 60 Comment
  RSA656427  Pterostegia drymarioides Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 705 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. Area burned in August 1999. 579 Comment
  UCR116939  Punica granatum A. C. Sanders, D. Malueg 2001-5-17 24346 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA571537  Purshia tridentata var. glandulosa Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8300 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  UC909734  Purshia tridentata var. glandulosa Norman C. Cooper 1948-4-21 2669 Los Angeles Littlerock 762 Comment
  RSA499260  Purshia tridentata var. glandulosa G. R. Johnstone 1930-3-30 s.n. Los Angeles 3 1/2 miles from Llano. Mojave Desert. Comment
  JEPS58814  Pyrola dentata F. W. Peirson 1920-9-14 519 a Los Angeles On ridges around the head of The Coldwater up to the San Antonio Divide, San Gabriel Mountains 2133 Comment
  RSA0080576  Pyrola dentata I. M. Johnston 1925-7-8 5305 Los Angeles Middle Fork Bear Creek along Lookout Trail. 2011 Comment
  POM18606  Quercus X grandidentata E. S. Spalding 1921-4-9 xix 5 e Los Angeles Ganesha Hills, Pomona. Comment
  RSA477330  Quercus X macdonaldii M. B. Dunkle 1929-3-17 2066 Los Angeles Black Jack, Santa Catalina Island. Comment
  UCD46915  Quercus X macdonaldii Mrs. Blanch Trask 1909-4-23 s.n. Los Angeles Catalina Isl. Comment
  SEINET156515  Quercus agrifolia Norman C. Cooper 1943-11-21 974 Los Angeles Mint Canyon. East of Ranger Station. 762 Comment
  UC450933  Quercus agrifolia Fay A. MacFadden 1931-3-17 2625 Los Angeles Tuna Canyon Verdugo Hills Comment
  SBBG121303  Quercus agrifolia var. agrifolia R. Burgess, P. Munro 1998-1-25 2634 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  LA200021  Quercus berberidifolia A. M. Johnson; 1934-4-20 4432 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  LA200041  Quercus berberidifolia A. M. Johnson; 1934-4-20 4433 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA0105002  Quercus chrysolepis R. G. Swinney 2011-10-25 15884 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA476907  Quercus chrysolepis Robin S. Collins 1973-5-15 273 Los Angeles Angeles National Forest; Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 610 Comment
  UCD45534  Quercus chrysolepis Robert F. Thorne; M. Z. Thorne 1966-5-31 36420 Los Angeles Santa Catalina Island: In open oak woodland along N-facing slopes of ridge running from S end of Mt. Orizaba, S side of S fork of Fern Canyon, elev. ca. 1600 feet. 487 Comment
  CATA1953  Quercus douglasii Martin A. Piehl 1962-10-3 62535 Los Angeles Santa Catalina Island: Bulrush Canyon, between the reservoirs 0 Comment
  UCD45858  Quercus dumosa Bonnie C. Templeton 1930-4-2 1433 Los Angeles Location: Mulholland Drive, n.w. of Hollywood, Los Angeles County. 600 Comment
  RSA0105212  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 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
  SFV20892  Quercus durata var. gabrielensis L. Gross 2000-10-28 311 Los Angeles Verdugo Mountains Beaudry fire road northwest of Radio Towers, on ridgetop above Engleheard Canyon, pass [past?] saddle with antennas on northeast-facing slope. 793 Comment
  UC629768  Quercus durata var. gabrielensis Annetta Carter 1940-1-11 1489 b Los Angeles ridge ne head of Baldwin Avenue; San Gabriel Mountains, Sierra Madre 335 Comment
  UCD57991  Quercus durata var. gabrielensis Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mountains: Gold Bar mill site. Lynx Gulch. Comment
  CAS-BOT-BC94186  Quercus engelmannii Le Roy Abrams 1901-4-13 1490 Los Angeles Sierra Madre Comment
  UC630412  Quercus engelmannii Annetta Carter 1940-1-11 1489 c Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  SEINET5644474  Quercus kelloggii Timothy S. Ross, Steve Boyd 1994-6-23 8050 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. Burnt Peak 7.5'. Elevation ca 5460-5514.; 0 Comment
  UCR185568  Quercus lobata A. C. Sanders, T. B. Salvato 2007-4-25 33544 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  RSA592269  Quercus lobata Louis C. Wheeler 1967-5-8 9356 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCD45313  Quercus pacifica Ralph Day 1949-9 s.n. Los Angeles Catalina Island, Los Angeles County, California. Comment
  SBBG52933  Quercus tomentella F. C. Boutin 1967-4-23 1659 Los Angeles Lemon Tank 304 Comment
  UCSB63430  Quercus tomentella Ross, Tim; Kellogg, Elizabeth 1992-4-12 Los Angeles San Clemente Island; 110 degrees ESE, 480-600 m. from Vista (point), at the head of Grove Canyon 495 Comment
  UC405476  Quercus wislizeni G. B. Grant 1902-6-10 5104 Los Angeles Mt. Wilson Comment
  LA93205  Quercus wislizeni var. frutescens Kei Nakai; 1975-11-11 sn Los Angeles 426 Comment
  RSA477118  Quercus wislizeni var. frutescens F. R. Fosberg 1931-8-10 S 5642 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA600130  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1997-5-28 9852 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  CAS-BOT-BC362482  Rafinesquia californica Munz; Street; Williams 1919-5-3 2674 Los Angeles Santa Ana River Canon [Canyon] Comment
  RSA0039059  Rafinesquia californica R. G. Swinney 2010-5-11 12660 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR258757  Rafinesquia californica R. G. Swinney 2010-5-25 12958 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR260324  Rafinesquia californica R. G. Swinney 2010-5-4 12548 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
  UCR270989  Rafinesquia californica R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14346 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA399388  Ranunculus californicus H. Twining 1888-06 s.n. Los Angeles Mt Hillside Comment
  RSA603392  Ranunculus hebecarpus Louis C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  RSA653642  Raphanus sativus S. Koukol, R. Koukol 1998-5-3 39 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  POM2866  Rhamnus californica L. R. Abrams 1901-4-7 1427 Los Angeles Devil's Gate Comment
  POM307841  Rhamnus californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1938-6-11 2733 Los Angeles Eaton Canyon Park. Comment
  RSA612546  Rhamnus californica subsp. californica Louis C. Wheeler 1932-9-12 1375 Los Angeles San Antonio Canyon, San Gabriel Mts. 1220 Comment
  UC18519  Rhamnus californica subsp. californica J. H. Barber 1897-6-30 226 Los Angeles above Acton (Pierson's Mine); San Gabriel Mts., Aliso Canyon 1066 Comment
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Feb 20 2015
  UCD111908  Rhamnus crocea Ellen Mackey; Bart O'Brien and Blake Whittiington 2006-11-14 NFWF 1853 Los Angeles Webb Canyon Road. 434 Comment
  RSA608347  Rhamnus crocea subsp. ilicifolia Louis C. Wheeler 1930-3-22 17 Los Angeles Santa Monica Mountains: Mandeville Canyon Comment
  POM199764  Rhamnus ilicifolia I. W. Clokey, Bonnie C. Templeton 1929-03 4511 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA0094088  Rhamnus ilicifolia Richard G. Swinney 2011-11-3 15997 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA390834  Rhamnus ilicifolia E. Crow 1928-10-21 6 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA527724  Rhamnus ilicifolia Tim S. Ross, Annette H. Ross 1991-3-7 4154 Los Angeles Elephant Hill: Western Pomona. 341 Comment
  RSA7796  Rhamnus ilicifolia Carl B. Wolf 1927-7-24 670 Los Angeles 1/2 mi east of Montrose 457 Comment
  UC1121856  Rhamnus ilicifolia P. L. Johannsen 1934-1-3 212 Los Angeles 1 mi w Saddle Peak; Calabasas Quad. 228 Comment
  UC1871179  Rhamnus ilicifolia T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3968 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  RSA0056488  Rhamnus ilicifolia Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  SEINET13946340 Image available Rhamnus ilicifolia Peter H. Raven 1959-1 14064 Los Angeles Santa Monica Mountains. Along Mulholland Drive near Beverly Glen Bouldevard, elev 1250 ft 381 Comment
  RSA213334  Rhamnus pirifolia Reid V. Moran 1941-2-2 608 Los Angeles Santa Catalina Island, Johnson's Valley 20 Comment
  UC124600  Rhamnus pirifolia H. M. Hall 1908-6-15 8270 Los Angeles Swains' Canyon Santa Catalina Island Comment
  SEINET10359299 Image available Rhaphiolepis indica Unknown 2015-1 500 Los Angeles Santa Monica, CALIFORNIA. Los Angeles Co.: Santa Monica, bordering Loews Santa Monica Beach Hotel, near Ocean Ave. Comment
  UCR95255  Rhus aromatica L. C. Wheeler 1967-5-2 9278 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  CAS-BOT-BC170433  Rhus integrifolia V. Bailey 1907-10-7 s.n. Los Angeles San Pedro Comment
  CAS-BOT-BC170467  Rhus integrifolia E. R. Blakley 1962-10-5 5420 Los Angeles Southeast side of Black Jack Mt. toward White's Cove Canyon - Santa Catalina Island 381 Comment
  SD30991  Rhus integrifolia Edith A. Purer 1931-3-12 965 Los Angeles Palos Verdes Hills Comment
  SD69651  Rhus integrifolia Robert F. Thorne, Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36739 Los Angeles Santa Catalina Island, Wild Boar Gully, ca. 1 mile west north west of Salta Verde Point 199 Comment
  PASA2370  Rhus ovata A. Carter 1929-1-1 Los Angeles Mouth of Santa Anita Canyon 327-609 Comment
  RSA0022366  Rhus ovata Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5120 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0091779  Rhus ovata R. G. Swinney 2011-4-9 14358 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  UC124176  Rhus ovata T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UCR132308  Rhus ovata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  UC17946  Rhus trilobata Frank Crikelair May, 1900 Los Angeles Los Angeles Comment
  RSA1251  Rhus trilobata var. quinata B. D. Stark 1930-6-29 1632 Los Angeles Lobo Canyon. Comment
  RSA162819  Ribes amarum J. D. Olmsted 1960-2-24 1105 Los Angeles Wolfskill Canyon at jct with San Dimas Canyon, San Gabriel Mts, San Dimas Creek. 518 Comment
  RSA775130  Ribes amarum Orlando Mistretta, Christine Mistretta 2010-6-23 5347 Los Angeles W fork of the San Gabriel River; 4.3 air miles E of Red Box Gap on Angeles Crest Hwy. 848 Comment
  CAS-BOT-BC133195  Ribes aureum var. gracillimum A. C. Sanders; T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley: Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CAS-BOT-BC92452  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia. Comment
  RSA27162  Ribes aureum var. gracillimum Roxana S. Ferris 1941-3-10 10323 Los Angeles First Tributary in Pico Canyon, Santa Susana Mtns, near Hwy 99. 412 Comment
  RSA476455  Ribes californicum var. hesperium Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  UC974952  Ribes californicum var. hesperium Ira W. Clokey, B. Templeton Mar. 1929 4472 Los Angeles Mandeville Canyon Santa Monica Mountains 300 Comment
  UCR212834  Ribes californicum var. hesperium Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1830 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River main stem across from Morris Dam 402 Comment
  RSA0106825  Ribes cereum var. cereum R. G. Swinney 2011-7-29 15568 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA0008285  Ribes divaricatum var. parishii Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC173120  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Creek Dam near Claremont 502 Comment
  RSA279117  Ribes indecorum R. F. Thorne 1971-3-18 41494 Los Angeles Cobal Canyon, 3 miles N of Claremont. 502 Comment
  UC1127318  Ribes indecorum P. L. Johannsen 1933-12-18 205 Los Angeles 1 1/2 mi S and 3 E of Calabasas Calabasas Quad. 457 Comment
  POM302528  Ribes malvaceum var. viridifolium J. C. Roos 1943-3-20 2598 Los Angeles Sepulveda Blvd, Santa Monica Mts, Los Angeles Comment
  RSA618593  Ribes nevadense Louis C. Wheeler 1966-8-21 8837 Los Angeles San Gabriel Mountains: Dorr Canyon at Angeles Crest Highway. Vicinity of Lodgepole Picnic Ground. Comment
  RSA1178  Ribes quercetorum B. D. Stark 1930-6-28 866 Los Angeles Pine Canyon Comment
  CAS-BOT-BC144440  Ribes speciosum H. E. McMinn 1924-6-20 1219 Los Angeles Turnbull Canyon, Whittier Comment
  RSA454975  Ribes viburnifolium F. R. Fosberg 1931-5-5 S 4774 Los Angeles Santa Catalina Island, Bullrush Canyon 60 Comment
  RSA527700  Ricinus communis T. S. Ross, Annette Ross 1991-6-3 5521 Los Angeles Elephant Hill; west Pomona. 241 Comment
  SBBG31412  Ricinus communis R. F. Thorne with P. C. Everett 1965-6-22 34875 Los Angeles behind Bird Park 91 Comment
  UCR210459  Ricinus communis R. G. Swinney 2008-11-29 9854 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR95745  Rigiopappus leptocladus Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8549 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  RSA603898  Rorippa curvisiliqua L. C. Wheeler 1975-5-13 s.n. Los Angeles Rio Hondo: ca. 1/4 mile N of San Gabriel Blvd. Comment
  RSA525100  Rosa californica Tim S. Ross, Steve D. Boyd 1990-6-6 2855 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA583945  Rosa californica R. G. Swinney 1993-6-28 2366 Los Angeles San Gabriel Mountains. Glendora. 0.8 miles E of Glendora Mountain Road at Big Dalton Canyon Road. 378 Comment
  RSA650888  Rosa woodsii subsp. gratissima T. C. Thomas 1974-7-5 s.n. Los Angeles Big Pine, Hwy 2. 1829 Comment
  RSA0045482  Rubus ursinus Regina Allen 1983-5-16 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino] Comment
  RSA466054  Rumex conglomeratus F. R. Fosberg 1930-7-3 S 3085 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA466051  Rumex conglomeratus F. R. Fosberg 1930-6-23 S 2960 Los Angeles Del Rey, 2 Comment
  LA33888  Rumex crispus Peter H. Raven; Henry J. Thompson 1959-5-5 14114 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  LA52274  Rumex fueginus Louis Wheeler; 1932-9-19 1394 Los Angeles 121 Comment
  RSA708049  Rumex hymenosepalus Scott D. White, Michael Honer 2004-3-30 9963 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  UCR108199  Rumex hymenosepalus Jeanne Gural, Valerie Soza, Damian Ross, M. E. Siqueiros D. 1997-3-8 21 Los Angeles Bernard Field Station [Claremont], of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  CAS-BOT-BC433660  Rumex obtusifolius Joseph Andorfer Ewan 1932-7-4 7573 Los Angeles Millards Canyon, just below the falls. San Gabriel Mts. Comment
  UCR149904  Rumex salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  POM348833  Rupertia physodes L. C. Wheeler 1934-4-27 2573 Los Angeles Marshall Creek, San Gabriel Mountains. 457 Comment
  RSA248885  Ruppia maritima Robert F. Thorne 1973-4-12 42934 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  CATA1242  Salicornia pacifica Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2320 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  SFV14741  Salicornia pacifica J. C. Dittes, P. Coulter 1989-11-27 20 Los Angeles Marina del Rey. Along mud flats of the Venice canal. Comment
  UC465479  Salicornia subterminalis unknown 1920-1-21 4610 Los Angeles Isthmus Santa Catalina Island Comment
  RSA550002  Salicornia virginica Scott D. White 1992-10-9 948 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
  CAS-BOT-BC103141  Salix bonplandiana Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km. north of Castaic 315 Comment
  CAS-BOT-BC103143  Salix bonplandiana Grant 1902-3-16 4559 Los Angeles Pasadena, Eagle Rock Comment
  RSA593470  Salix exigua Steve D. Boyd, Mike Wall 1996-5-16 8781 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  RSA799803  Salix exigua Pam De Vries 2013-4-3 7829 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  UCR234151  Salix exigua Dick Newell 2012-3-29 237 Los Angeles South Coastal Plain, East Long Beach wetlands, 100 yards west of Studebaker Rd. at Pacific Coast Highway 3 Comment
  RSA552563  Salix gooddingii D. Charlton 1991-4-16 4873 Los Angeles Lancaster, corner of 35 St. West, one block south of K. 701 Comment
  POM2063  Salix laevigata Philip A. Munz 1918-4-5 2023 Los Angeles South Hills, Pomona. Comment
  RSA0085337  Salix laevigata R. G. Swinney 2010-4-1 12169 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UC471649  Salix laevigata F. R. Fosberg 1931-5-4 S 4756 Los Angeles mouth of Middle Ranch Canyon; Santa Catalina Isl., Middle Ranch Canyon 5 Comment
  UC5022  Salix laevigata Blanche Trask Apr. 1896 Los Angeles Avalon Santa Catalina Isl., Avalon Comment
  UC846598  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4645 Los Angeles San Francisquito Canyon 800 Comment
  UCR259253  Salix laevigata R. G. Swinney 2010-6-4 12996 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
  LA208835  Salix lasiandra John O'Leary; 1975-5-14 366 Los Angeles at base of Tehachapi Mountains, about 1.4 mi SE of Gorman 1127 Comment
  POM362721  Salix lasiolepis Robert Gustafson 1981-3-18 2128 a Los Angeles Ballona Wetlands, Area 1. Comment
  RSA599150  Salix lasiolepis Louis C. Wheeler 1966-11-19 9134 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  UC492438  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  UCR203259  Salix lasiolepis R. G. Swinney 2005-7-11 8301 Los Angeles San Gabriel Mountains, Juniper Hills, Pallet Creek 0.4 mile south of Tumble Weed Ranch in Pallet Creek. Spring on east side of wash/small pond 1280 Comment
  CAS-BOT-BC107530  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 240 Los Angeles Little [Tejunga Canon] Tujunga Canyon Comment
  RSA248863  Salsola tragus R. F. Thorne 1973-4-12 42981 Los Angeles San Clemente Island, just SE of Airfield Operations. 61 Comment
  RSA722098  Salsola tragus R. E. Riefner 2007-5-12 7 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. 331 Comment
  UC52818  Saltugilia splendens subsp. grantii G. B. Grant 4469 Los Angeles San Gabriel Mts. 1066 Comment
  RSA756963  Saltugilia splendens subsp. splendens Orlando Mistretta, Christine Mistretta 2008-4-14 2448 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  UCSB69527  Salvia apiana Gross, LeRoy 2001-5-31 Los Angeles Los Angeles Basin; Verdugo Mountains Region, Southeast side; Dead Horse Canyon; Collected on ridge north of this canyon 457 Comment
  PASA463  Salvia apiana Loletta Hiebert Los Angeles Flintridge Comment
  POM214752  Salvia apiana Victor Duran 1933-5-22 3414 Los Angeles Near Lancaster. 716 Comment
  RSA401626B  Salvia apiana William Emboden 1969-5-28 31 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA0073714  Salvia carduacea Orlando Mistrettta, Christine Mistretta 2005-4-21 2050 Los Angeles San Gabriel Mountains region: Alluvial fans below north base of range along Fort Tejon Road. 1098 Comment
  RSA411357  Salvia carduacea M. Vincent 1962-5-7 241 Los Angeles Llano at junction of road to Mile High [N4]. Comment
  SBBG18206  Salvia carduacea M. Vincent 1962-5-7 241 Los Angeles Llano at jct to Mile Hile Comment
  RSA401449B  Salvia columbariae Freda Detmers 1931-5-10 s.n. Los Angeles Foothill Blvd, Near Azusa. Comment
  RSA651675  Salvia columbariae R. Carlson 1961-5-4 78 Los Angeles San Dimas Canyon. Comment
  SFV22131  Salvia columbariae V. Soza, S. Caplow 2003-4-11 1625 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, south of junction of Brand Park Mountainway and Verdugo Mountainway, alongside Brand Park Mountainway. 762 Comment
  UCR282015  Salvia columbariae R. G. Swinney 2014-5-8 16464 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA0056295  Salvia columbariae Geo. E. Julian 1963-4-20 s.n. Los Angeles Cal Poly, Kellogg Campus, Pomona. Comment
  RSA14199  Salvia columbariae Carl B. Wolf 1926-5-15 180 Los Angeles Foothills of San Gabriel mts, above Monrovia Comment
  UCSB32449  Salvia dorrii var. dorrii Alpert, Donald 1962-4-14 Los Angeles Little Rock Dam 1127 Comment
  RSA0034991  Salvia leucophylla Harold L. Pirie 1963-4-20 s.n. Los Angeles North slope of Santa Monica Mts. 274 Comment
  RSA0092552  Salvia mellifera Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14323 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  UCR65230  Salvia mellifera F. R. Fosberg 1931-5-6 S- 04805 Los Angeles Channel Islands, Santa Catalina Island Comment
  RSA230388  Sambucus mexicana R. F. Thorne, M. Z. Thorne 1969-7-10 38386 Los Angeles San Gabriel Mountains: Angeles National Forest. Along Angeles Crest Highway, Near Lodgepole Picnic Ground. 2317 Comment
  UC1584922  Sambucus mexicana Tim Ross 1991-4-8 4478 Los Angeles Elephant Hill San Dimas 7.5' quadrangle, western Pomona (n slope) 265 Comment
  SBBG69495  Sambucus nigra subsp. caerulea R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  UC877769  Samolus parviflorus Louis C. Wheeler 1933-7-7 1917 Los Angeles near El Monte (Lexington Wash); Lexington Wash 73 Comment
  POM243792  Sanicula arguta F. R. Fosberg 1931-3-23 S- 4334 Los Angeles Hamilton Canyon, Santa Catalina Island. 40 Comment
  UC566788  Sanicula arguta Frank W. Peirson 1923-4-9 3429 Los Angeles near Wilson Cove (San Clemente Island); San Clemente Island Comment
  UCR190527  Sanicula arguta R. G. Swinney 1990-3-19 1524 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora 366 Comment
  UCR265490  Sanicula arguta Dan S. Cooper 2015-3-13 2015- 34 Los Angeles Western Transverse Range; Santa Monica Mountains, La Sierra Canyon, north of Seminole Hot Springs 244 Comment
  RSA470993  Sanicula arguta Anstruther Davidson 2343 Los Angeles Hollywood. Comment
  UC420481  Sanicula crassicaulis Geo. B. Grant May, 1905 1172 Los Angeles Pasadena Comment
  RSA0115845  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles Santa Catalina Island. Cape Canyon, just downstream from pumpjouse, along E fork of Cape Canyon Road, just upstream from fork in road, on E side of streambed, in canyon bottom. 305 Comment
  RSA599875  Sanicula tuberosa Steve Boyd, Lauren Raz 1997-5-6 9720 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  CATA615  Schismus arabicus Mark L. Hoefs 1991-4-8 1065 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  SEINET5322421  Schismus arabicus M. Mooney 1982-4-3 411 Los Angeles Mint Canyon off HWY 14 Comment
  RSA628878  Schismus barbatus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains 1159 Comment
  SFV21007  Schismus barbatus L. Gross 2003-3-9 781 Los Angeles San Rafael Hills Southwest side of San Rafael Hills, at or near top of east-west trending ridge southwest of Flint Peak. Entered at west end at Mount Carmel Drive east of Highway 2 (Glendale Freeway) between Chevy Chase Drive (Sycamore Canyon) to the north and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  UCR256195  Schismus barbatus R. G. Swinney 2010-3-22 12008 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
  UCR258832  Schismus barbatus R. G. Swinney 2010-4-23 12340 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCR130152  Schoenoplectus americanus L. C. Wheeler 1931-9-19 1399 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  RSA127789  Schoenoplectus maritimus Peter H. Raven, H. J. Thompson 1959-9-6 s.n. Los Angeles Santa Monica Mountains: Malibu Creek., 34 deg N, 118 deg -119 deg W. 6 Comment
  RSA365990  Schoenoplectus pungens Edith A. Purer 1931-8-4 s.n. Los Angeles Hollywood by the sea. Comment
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May 15 2014
  UC841027  Scirpus maritimus I. Johnston 1917-6-10 1318 Los Angeles Playa del Rey Playa del Rey (Salt Marsh, Southern California) Comment
  SD352224  Scirpus microcarpus Steven A. Junak 1999-9-10 Sca 1094 Los Angeles Santa Catalina Island. Middle Ranch Canyon, inland from Ben Weston Beach (Mills Landing). 91 Comment
  CDA18801  Scrophularia peregrina S. Schoenig 2000-4-14 00 -01 Los Angeles Rancho Santa Ana Botanical Gardens, Claremont. 0 Comment
  UCR190789  Scutellaria tuberosa R. G. Swinney 2001-4-17 7874 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
  UCR186409  Secale cereale T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2085 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  SFV7618  Sedum spathulifolium T. Gordon, M. H. Grayum 1975-11-7 1230 Los Angeles San Gabriel Mountains Along Elizabeth Lake Canyon Road, just south of Warm Springs Camp. 640 Comment
  CAS-BOT-BC61987  Selaginella asprella I. M. Johnston 1917-7-28 1595 Los Angeles San Antonio Canyon 1752 Comment
  RSA605507  Selaginella bigelovii Louis Cutter Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1249 Comment
  RSA0012728  Senecio californicus L. C. Wheeler 1932-5-1 676 Los Angeles 3 mi. NNE Claremont. 548 Comment
  CAS-BOT-BC333117  Senecio flaccidus var. douglasii Peter H. Raven 1957-11-30 11408 Los Angeles Along Mulholland Drive 4 miles east of Topanga Canyon, Santa Monica Mountains Comment
  JEPS37279  Senecio flaccidus var. douglasii Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  SFV14463  Senecio flaccidus var. douglasii J. L. Reveal 1987-9-9 3883 Los Angeles Santa Susana Mountains Limekiln Canyon north of Rinaldi. 396 Comment
  UC1070147  Senecio flaccidus var. douglasii G. E. Sindel 1935-1-7 113 Los Angeles 5 1/2 mi ese Quail Lake; Tejon Quad., Angeles National Forest Comment
  UCR206169  Senecio flaccidus var. douglasii A. C. Sanders, T. B. Salvato 2009-5-29 37039 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  SD91999  Senecio lyonii Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22675 Los Angeles San Clemente Island; Wilson's Cove 24 Comment
  UCR62103  Senecio mikanioides R. G. Swinney 1989-12-27 1500 ` Los Angeles San Gabriel Mtns., San Gabriel Mtns, Glendora Wilderness Park, north side of Big Dalton Canyon Road, 0.7 mi. east of Glendora Mountain Road. 366 Comment
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Mar 7 2013
  RSA747552  Senecio vulgaris R. G. Swinney 2008-4-11 8648 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UCR138498  Senecio vulgaris L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  UCSB10673  Setaria gracilis Robert M. Lloyd 1959-5-21 224 Los Angeles collected in Pomona College Campus Claremont in the corner of 6th St and College St Pomona College, 6th St., College St and Claremont 365 Comment
  RSA574272  Setaria viridis Timothy S. Ross 1993-6-26 7375 Los Angeles San Antonio Canyon; ca 900 m N of hogback 1197 Comment
  POM2956  Sidalcea malviflora subsp. sparsifolia Idella Coleman 1915-3-28 s.n. Los Angeles South Hills - Pomona-Claremont Comment
  UCR272593  Sidotheca caryophylloides R. G. Swinney 2011-6-7 15030 Los Angeles San Gabriel Mountains, Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road 1616 Comment
  LA82447  Silene coniflora O. H. Kappler; May 1963 610 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  UC166886  Silene gallica Geo. B. Grant 1905-4-2 1206 Los Angeles Pasadena Pasadena (southern California) Comment
  UCR189407  Silene gallica R. G. Swinney 1998-5-25 6151 Los Angeles San Gabriel Valley, Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  RSA477877  Silene gallica Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  RSA587362  Sisymbrium altissimum Orlando Mistretta 1992-5-4 252 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR223071  Sisymbrium altissimum R. G. Swinney 2009-5-6 10679 B Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  CDA35807  Sisymbrium erysimoides R. G. Swinney 2009-2-2 10026 Los Angeles San Gabriel Valley/ San Gabriel Mtns.; Foothills mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel. Comment
  POM1753  Sisyrinchium bellum I. M. Johnston 1918-5-5 1888 Los Angeles Trumbull Canyon, Puente Hills 30 Comment
  RSA652071  Sisyrinchium bellum A. E. Hersh 1950-6-28 sn Los Angeles Faculty Hill, UCLA campus. 60 Comment
  SEINET12048486  Sisyrinchium bellum Los Angeles High School Students 1903-1 44 Los Angeles Comment
  POM187773  Solanum americanum Thomas Craig 1933-10-9 2009 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA0089422  Solanum douglasii R. G. Swinney 2011-3-17 14121 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA11763  Solanum douglasii E. Lloyd 1933-3-25 s.n. Los Angeles Temescal canon. Comment
  RSA584010  Solanum douglasii Tim S. Ross 1991-4-25 4593 Los Angeles Lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at 1540 ft. elev.) (Glendora) 536 Comment
  SD143699  Solanum douglasii Scott D. White 1997-2-2 4658 Los Angeles San Dimas/Pomona area: Bonelli Regional Park. Just NW of Puddingstone Reservoir, S of San Dimas Ave., and E of the I-210 Freeway 239 Comment
  UCR92662  Solanum douglasii Scott D. White 1996-3-18 3838 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  UCR99656  Solanum douglasii Scott D. White 1992-10-8 892 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), 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
  RSA422386  Solanum douglasii House, Grumbles 1930-8-5 s.n. Los Angeles San Clemente Island. Comment
  RSA422423  Solanum douglasii Robert Gustafson 1980-9-16 1925 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC231721  Solanum umbelliferum John I. Carlson 1918-4-24 s.n. Los Angeles Hollywood Comment
  CAS-BOT-BC83637  Solanum umbelliferum L. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson. 1524 Comment
  UC884970  Solanum umbelliferum Ira W. Clokey, B. Templeton April 1929 4432 Los Angeles Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 200 Comment
  LA81979  Solanum xanti O. H. Kappler; 1944-5-14 621 Los Angeles SANTA MONICA MOUNTAINS, along Yerba Buena Rd above Sequit Canyon. 853 Comment
  RSA0014728  Solanum xanti var. intermedium Laura Moore 1999-4-10 11 Los Angeles Pitzer College, Claremont. Southeastern corner of Outback, about 5 yards from eastern border with Claremont Boulevard. 351 Comment
  POM310457  Solidago californica Margaret Hardinge 1945-12-3 117 Los Angeles Claremont. 351 Comment
  CAS-BOT-BC365307  Solidago confinis Carl B. Wolf 1932-9-16 4096 Los Angeles Bryant Ranch. 100 - 150 ft. W. of state highway, at extreme SE. corner of Pacific Western Oil Co. Lease 3 Comment
  POM153279  Solidago confinis P. A. Munz, I. M. Johnston 1928-9-5 11172 Los Angeles Rock Creek, San Gabriel Mountains. 1159 Comment
  POM4689  Solidago confinis C. F. Baker 1903-9-20 s.n. Los Angeles San Antonio Canyon near Claremont. Comment
  RSA473689  Solidago confinis Anstruther Davidson 1892-08 1991 Los Angeles Cienega Comment
  RSA749114  Solidago confinis R. G. Swinney 2005-8-9 8424 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR270124  Solidago spectabilis R. G. Swinney 2010-9-9 13783 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
  LA206358  Sollya heterophylla J. Sauer; H. Sauer, J. Zadny, M. Zadny 1970-6-15 4829 Los Angeles Santa Monica Mountains, upper Rustic Canyon Comment
  CAS-BOT-BC365993  Sonchus asper Dr. Barton W. Evermann 1918-3-29 s.n. Los Angeles Santa Catalina Isl. Comment
  RSA679271  Sonchus oleraceus Valerie L. Soza, LeRoy Gross 2001-5-14 1215 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. 762 Comment
  UCR260393  Sonchus oleraceus R. G. Swinney 2010-6-21 13283 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA474082  Sonchus oleraceus F. R. Fosberg 1930-6-26 S- 3002 Los Angeles Culver Garden. 15 Comment
  RSA474105  Sonchus oleraceus B. Gustafson 1981-3-18 2121 Los Angeles Ballona Wetlands, Area 3 Common weed throughout all 3 areas. Comment
  RSA550398  Sonchus oleraceus Timothy S. Ross, Peter W. Fritsch 1990-6-20 3610 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA651187  Sonchus oleraceus Jim Kishi 1948-2-11 s.n. Los Angeles Foot of mountains west of Dalton Canyon. [ Little or Big Dalton Canyon ?, N of Glendora] Weed growing at edge of orchard under shade of tree in sandy moist soil. Comment
  UCR97799  Spartium junceum Scott D. White 1997-3-12 4762 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  UCR86836  Spergularia Scott D. White 1995-4-27 2957 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
  RSA0097917  Spergularia bocconi F. R. Fosberg 1931-5-4 S 4768 Los Angeles Mouth of Middle Ranch Canyon, Santa Catalina Island. 2 Comment
  RSA0098746  Spergularia macrotheca Reid V. Moran 1958-9-15 6836 Los Angeles San Clemente Island, slope above Wilsons Cove. 50 Comment
  CAS-BOT-BC390325  Spergularia macrotheca var. macrotheca Michael R. Benedict 1971-6-26 s.n. Los Angeles California Islands. About 1/2 mile south of Wilson Cove. San Clemente Island Comment
  RSA0098532  Spergularia marina D. Charlton 1993-7-4 s.n. Los Angeles Jct Boy Scout Rd and Lancaster Blvd. SE corner in clay pan, Edwards AFB. 694 Comment
  RSA0098580  Spergularia villosa R. F. Thorne 1966-4-16 36031 Los Angeles San Clemente Island: top of mesa S of Lemon Tank, S of Nanny, NE side of island. 305 Comment
  CAS-BOT-BC518709  Sphaeralcea emoryi subsp. emoryi B. C. Templeton 1930-5-19 1460 Los Angeles San Gabriel Mtns: Mint Canyon, near Mojave Desert 854 Comment
  SBBG125378  Sphaeropteris cooperi J. R. Clark with T. Dvorak, C. de la Rosa, S. Ratay, T. M. Summers 2011-6-23 1020 Los Angeles Twin Rocks 218 Comment
  POM50693  Sporobolus airoides A. D. E. Elmer 1902-06 3623 Los Angeles Lancaster. Comment
  RSA0016996  Sporobolus airoides Anstruther Davidson 1917-07 3161 Los Angeles Hynes [now Paramount], Los Angeles Comment
  UCLA70850  Stachys ajugoides var. rigida Louis C. Wheeler 1932-5-15 709 Los Angeles Puddingstone Dam San Jose Hills 304 Comment
  LA52399  Stachys albens Nesta Hutchinson; 1931-8-17 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  LA52374  Stachys bullata Mary Reynolds; 1937-4-12 101 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  RSA583116  Stachys bullata Louis C. Wheeler 1933-5-5 1708 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  HSC24822  Stanleya pinnata James Henrickson 1971-5-2 5542 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  CATA2017  Stebbinsoseris heterocarpa Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-4 Los Angeles Santa Catalina Island: Little Ripper's Canyon, just inland from beach 36 Comment
  SBBG130729  Stebbinsoseris heterocarpa S. A. Junak 2000-5-6 SCa 1276 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing 292 Comment
  SD252289  Stebbinsoseris heterocarpa Steven A. Junak 1999-4-23 Sca 853 Los Angeles Santa Catalina Island: Plant stop. 347 Comment
  RSA545254  Stellaria media D. Propst, Mark Hoefs 1973-3-3 49 Los Angeles Santa Catalina Island: Cottonwood Canyon 183 Comment
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