Search Results — 2000 specimen records retrieved (1550 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0073303  Abies concolor Bonnie C. Templeton 1932-6-1 4867 Los Angeles Table Mountains, Big Pines Park, San Gabriel Mts. Comment
  UC1929504  Abronia maritima Mark Elvin, Michael Wall, Jennifer Stone 1996-8-8 324 Los Angeles Channel Islands; San Clemente Island: West dunes along road to S end of dunes next to ocean. Comment
  RSA69979  Abronia pogonantha F. W. Peirson 1923-5-27 5215 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1098 Comment
  SEINET3828401  Abronia umbellata Jeremiah George 2012-1 Los Angeles South Coast: Hermosa Beach, vacant lot south of 1125 Manhattan Avenue (Redondo Beach 7.5') 11 Comment
Read comments
Aug 12 2016
  UCR172740  Acacia cyclops Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  OBI70869  Acer macrophyllum Steve Boyd 1997-5-20 9800 Los Angeles Liebre Mts region: Northern flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of forest Service roads 7N23 and 7N08 1585 Comment
  RSA0022367  Acer macrophyllum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5125 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UC1071626  Acer macrophyllum R. St. John 1933-3-25 358 Los Angeles Santa Susana Mountains Santa Susana Quad., Santa Susana Mountains Comment
  RSA0051231  Acer macrophyllum James R. Shevock 1976-4-24 5020 Los Angeles San Gabriel Mountains, Angeles National Forest. 1386 Comment
  RSA762705  Achillea millefolium R. G. Swinney 2008-7-24 9343 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  SBBG125131  Achillea millefolium M. B. Dunkle 1939-4-6 7292 Los Angeles Mosquito Harbor Comment
  RSA599824  Achnatherum coronatum Steve Boyd, Lauren Raz 1997-3-31 9398 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
  UCR187221  Achyrachaena mollis A. C. Sanders 2006-4-18 32111 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  SBBG96692  Acmispon argophyllus var. adsurgens S. Boyd with T. Ross, L. Arnseth 1990-4-7 4185 Los Angeles upper reaches of China Cyn Comment
  CATA238  Acmispon argophyllus var. argenteus Mark L. Hoefs, A. Douglas Propst 1973-5-4 234 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  SBBG96854  Acmispon argophyllus var. argenteus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4239 Los Angeles lower half of China Cyn, W side Comment
  SD21276  Acmispon argophyllus var. argenteus Norman E. Bilderback 1938-4-16 Los Angeles Santa Catalina,Island, Avalon Comment
  UC1594369  Acmispon dendroideus var. traskiae Tim Ross 1992-4-14 6174 Los Angeles San Clemente Island: Central E side of Island; Coastal bluff on E escarpment ca 20 m S of where Nanny Canyon drainage meets the sea. Comment
  UC1952554  Acmispon dendroideus var. traskiae Francis H. Elmore 1939-11-26 Los Angeles Wilson Cove, San Clemente Island. Comment
  UC792415  Acmispon dendroideus var. traskiae Ira L. Wiggins 1949-2-21 11956 Los Angeles Wilson's Cove San Clemente Island. Comment
  OBI13002  Acmispon glaber var. glaber Unknown 1960-5-29 s.n. Los Angeles Chatsworth Lakeside Comment
  SBBG119551  Acmispon heermannii var. heermannii O. Mistretta 1992-7-14 710 Los Angeles Gold Cyn Trail, Tujunga Ranger District Comment
  UCD104242  Acmispon micranthus Louis C. Wheeler 1934-4-15 2526 Los Angeles Liveoak Canyon, San Gabriel Mts. 487 Comment
  SBBG37685  Acmispon strigosus R. Moran 1941-3-11 701 Los Angeles ridge N of Middle Ranch 300 Comment
  UC485227  Acourtia microcephala J. Grinnell 1903-7-3 Los Angeles Arroyo Seco Pasadena Comment
Read comments
Jul 24 2012
  RSA390573  Adenostoma fasciculatum Fay A. MacFadden 1931-3-29 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SFV21013  Adenostoma fasciculatum L. Gross 2003-3-7 760 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Above road near top of ridge. 555 Comment
  SFV21148  Adenostoma fasciculatum J. M. Keefe 2001-1-19 30947 Los Angeles San Rafael Hills Los Angeles, Eagle Rock. South by southeast face of the Eagle Rock. 305 Comment
  UC1211138  Adenostoma fasciculatum Huron H. Smith 1912-6-12 5097 Los Angeles Santa Cataline Isl., Cherry Canyon 426 Comment
  SBBG17183  Adenostoma fasciculatum var. fasciculatum K. A. Wilson 1961-3-1 886 Los Angeles Mulholland Hwy ca. 2 mi W of Las Virgenes Hwy Comment
  LA201781  Adenostoma sparsifolium Arthur C. Gibson; 2003-7-23 4850 Los Angeles Comment
  UCR208111  Adiantum capillus-veneris F. R. Fosberg 1931-4-24 R- 94 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon near Avalon 50 Comment
  LA94097  Adiantum jordanii Lawrence L. Kiefer; 1966-4-10 1840 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, 1 mi S of Mulholland Dr. 304 Comment
  SEINET3153092  Adiantum jordanii G. B. Grant 1904-4-20 26 Los Angeles Catalina Island, So. Cal. Comment
  UC1870301  Aesculus californica LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1062 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side of mountains:West side of Brand Canyon just a short distance above the cemetery. Near 34.18778N, 118.27461W. 307 Comment
  UCR157913  Aesculus californica Robert J. Steers 2005-5-8 01 Los Angeles South Coast, Palos Verdes Peninsula: In drainage directly across the street from 445 P.V. Dr. North, Palos Verdes Estates 55 Comment
  RSA691049  Ageratina adenophora Scott D. White 2003-10-14 9832 Los Angeles Foothills above Sierra Madre. L. A. Dept of Public Works Baily' Debris Basin, just north of BailyCanyon Park. (Mt. Wilson). 366 Comment
  UCR4759  Ageratina adenophora R. Oshima 1963-1 s.n. Los Angeles San Gabriel Mtns., 4 mi. up Cloverleaf Canyon Dr. above Monrovia Comment
  CAS-BOT-BC29346  Ageratina adenophora T. C. Fuller; T. Suzuki 1959-3-19 2094 Los Angeles E side of Pasadena Freeway, 0.5 mi S of Ave 52., Highland Park District, Los Angeles. Comment
  CAS-BOT-BC295622  Agnorhiza ovata Victor Duran 1933-7-9 3508 Los Angeles Horse Flats, San Gabriel Mts. 1676 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
  RSA748991  Agoseris retrorsa R. G. Swinney 2008-5-13 8859 Los Angeles Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  SBBG66282  Agoseris retrorsa R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  SFV19327  Agoseris retrorsa P. Wilson, J. N. Hogue 242.4 2005-5-23 4209 Los Angeles San Gabriel Mountains Kratka Ridge, trail to Mount Williamson. 0.25 km north of Highway 2. 2100 Comment
  UCR223484  Agoseris retrorsa R. G. Swinney 2009-5-28 10919 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET10509823  Agrostis californica David B. Dunn 1947-7-20 Dunn 2989 Los Angeles Collected at 316 n avenue 50 Comment
  POM20722  Agrostis exarata P. A. Munz 1923-8-31 7668 Los Angeles Big Pines, Swartout Valley, San Gabriel Mountains. 2073 Comment
  RSA579208  Agrostis pallens C. Michaels 1994-6-30 s.n. Los Angeles Tuna Canyon 0.8 miles from Pacific Coast Highway. Comment
  SD69696  Agrostis pallens Robert F. Thorne 1966-6-1 36459 Los Angeles Santa Catalina Island, on dry northeast-facing bluff along Pebbly Beach Drive southeast of Avalon. 14 Comment
  RSA747676  Agrostis scabra R. G. Swinney 2001-9-15 8137 Los Angeles Lily Spring, N slope of Mt. Hawkins , 7.5 air miles W SW of Wrightwood, 2561 Comment
Read comments
Nov 17 2010
  RSA87115  Agrostis stolonifera Joseph A. Ewan 1936-8-2 9918 Los Angeles Mescal Creek, San Gabriel Mountains. 1616 Comment
  SEINET3282791 Image available Agrostis stolonifera R. G. Swinney 2008-10-16 9585 Los Angeles San Gabriel Mtns.; Jackson Lake, south side of Big Pines Highway. 1872 Comment
  UCR209632  Agrostis viridis R. G. Swinney 2008-12-2 9914 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA681341  Ailanthus altissima LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 967 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
  POM8029  Alchemilla occidentalis Philip A. Munz, R. D. Harwood 1920-3-13 3321 Los Angeles San Jose Hills, 1 mi. South of San Dimas. 305 Comment
  RSA367099  Allium haematochiton T. S. Clare 1929-3-17 s.n. Los Angeles Topanga Canyon. Comment
  UCR65547  Allium haematochiton T. S. Ross, Steve Boyd 1990-5-14 2490 Los Angeles San Gabriel Mtns., Angeles National Forest, Yerba Buena Ridge, Angeles National Forest. 1104 Comment
  CLARK-A1528-7759  Allium monticola John C. Roos 1937-7-16 636 Los Angeles San Gabriel Mountains Comment
  SBBG12951  Allium praecox E. R. Blakley 1962-6-10 5243 Los Angeles 0.25 mi up cyn from its mouth; cyn half way between Eel Pt and Seal Cove 45 Comment
  RSA367123  Allium praecox George B. Grant, Walter Wheeler 1904-4-23 s.n. Los Angeles Santa Catalina Island. Comment
  RSA367033  Allium validum L. E. Hoffman 1932-2-3 s.n. Los Angeles Hermon Hills. Comment
  UCR118527  Allium vineale R. G. Swinney 1990-1 1594 Los Angeles South Hills, Glendora. Annually disced fields north of the E end of Fawn Valley Road. 256 Comment
  RSA410056  Allophyllum divaricatum Albert J. Perkins 1920-2-16 s.n. Los Angeles Glendora, Little Dalton Trail Comment
  RSA607223  Allophyllum divaricatum L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  RSA724539  Allophyllum glutinosum K. Dobry 1991-6-24 d- 757 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SBBG27959  Allophyllum glutinosum V. and A. Grant 1949-4-28 8701 Los Angeles Winter Cyn N of Santa Monica Comment
  LA33456  Alnus rhombifolia Peter H. Raven; 1959-3-8 13836 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  SD41258  Alnus rhombifolia Edith A. Purer 1931-3-7 1526 Los Angeles Oakwilde Comment
Read comments
Jul 10 2010
  SFV4825  Alnus rhombifolia F. L. McPherson 1959-4-21 s. n. Los Angeles San Gabriel Mountains Soledad Canyon. Soledad Public Campgrounds. 518 Comment
  RSA91296  Alnus rhombifolia F. W. Peirson 1924-8-23 5047 Los Angeles west fork of San Gabriel River 411 Comment
  CDA3252  Alternanthera philoxeroides T. C. Fuller 1965-9-23 14171 Los Angeles 0.2 mile north of flood gates of Whittier Narrows Dam, west of Rosemead Blvd., south of San Gabriel Blvd., east bank of the Rio Hondo, just east of Montebello. 0 Comment
  UCR252899  Amaranthus albus R. G. Swinney 2010-5-29 13395 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  IRVC26136  Amaranthus albus B. C. Templeton 1932-7-21 5035 Los Angeles Big Pines Park, Angeles National Forest San Gabriel Mtns. 1982 Comment
  UCR205939  Amaranthus blitum A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37066 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  SFV9870  Amaranthus deflexus M. H. Grayum, K. Felt 1977-7-20 838 Los Angeles Venice. Along Rose St. opposite Pioneer Bakery. Comment
  PASA1268  Amaranthus graecizans Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA402989  Amaranthus powellii E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  POM279354  Amaranthus retroflexus Anonymous 1915-6-25 s.n. Los Angeles Long Beach. along street. Comment
  CATA242  Amblyopappus pusillus Mark L. Hoefs, A. Douglas Propst 1973-5-4 239 Los Angeles Santa Catalina Island: Indian Head Point 60 Comment
  CDA34304  Amblyopappus pusillus M. O'Brien 2011-6-25 17 -Nov Los Angeles Santa Monica Mountains; El Matador State Beach. 30 Comment
  UC84287  Amblyopappus pusillus T. S. Brandegee May 15 1890-Jan 1 1900 Los Angeles Santa Catalina Island Comment
  UCR68917  Amblyopappus pusillus Steve Boyd, T. Ross, et al 1990-4-7 4221 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCD170033  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. (Near 33d 56'N, 118d 26'W). 30 Comment
  UCR273406  Ambrosia acanthicarpa R. G. Swinney 2011-10-25 15889 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
  UCR51499  Ambrosia acanthicarpa A. C. Sanders 1987-12-4 7569 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA416932  Ambrosia chamissonis I. M. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC272929  Ambrosia salsola A. D. E. Elmer 1902-6-1 3622 Los Angeles Palmdale Comment
  UCR223105  Ambrosia salsola R. G. Swinney 2009-4-29 10613 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
  UCR182683  Amsinckia intermedia R. G. Swinney 1998-4-13 5955 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  RSA0089644  Amsinckia intermedia Mark Hoefs, D. Propst 1973-4-6 144 Los Angeles Santa Catalina Island: Middle of Cape Canyon. 304 Comment
  VVC2916  Amsinckia menziesii 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
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  CHSC95472  Amsinckia tessellata var. tessellata LeRoy Gross 2005-4-28 2158 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
  SBBG58480  Anagallis arvensis M. N. Ackley -Apr-1928 795 Los Angeles Eagle Rock 182 Comment
  RSA628704  Ancistrocarphus filagineus L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 548 Comment
  UCR179728  Angelica tomentosa R. G. Swinney, Dave Larson 1996-7-17 5145 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCD97916  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  UCR189987  Antennaria dimorpha R. G. Swinney 1998-6-12 6960 Los Angeles San Gabriel Mtns., 4.3 miles N of Big Pines Hwy (Hwy 2) at end of Rd. AB9, off Table Mtn. Rd., 1/4 mi. NE of end of AB9 1890 Comment
  RSA727269  Anthriscus caucalis R. G. Swinney 1998-5-25 6152 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  RSA646978  Anthriscus caucalis LeRoy Gross 2000-4-22 174 Los Angeles Verdugo Mountains: South on La Crescenta to Shirleyjean turn right to Camp Max Straus. City of Verdugo City. 396 Comment
  LA201777  Antirrhinum coulterianum Arthur C. Gibson; 2003-4-27 4869 Los Angeles SANTA MONICA MOUNTAINS, slope overlooking Stunt Rd, about 0.6 km N of Mulholland Rd. Comment
  RSA582798  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1993-5-23 7286 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
  RSA718112  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel River Canyon north of Morris Dam, at private shore NE of dam. 488 Comment
  RSA762054  Antirrhinum multiflorum Orlando Mistretta, Christine Mistretta 2008-5-16 3106 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 109 per TRTP Survey 2008), Upper Fish Canyon. 1001 Comment
  SBBG13344  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles 1 mi up cyn from its mouth, cyn half-way between Eel Pt and Seal Cove Comment
  JEPS24109  Antirrhinum nuttallianum subsp. subsessile Henry J. Thompson 1959-5-24 2010 Los Angeles 1.9 mi n Coast Highway, Tuna Canyon; Santa Monica Mountains, Tuna Canyon 335 Comment
  RSA150931  Antirrhinum nuttallianum subsp. subsessile Peter H. Raven 1962-4-10 17242 Los Angeles Above Wilson Cove. San Clemente Island. 107 Comment
  RSA714521  Aphanisma blitoides A. C. Sanders 2005-4-8 29323 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SBBG118126  Aphanisma blitoides R. F. Thorne 1973-4-12 42901 Los Angeles China Pt 15 Comment
  SD239692  Aphanisma blitoides A. C. Sanders 2010-5-7 38337 Los Angeles South Coast: Palos Verdes Peninsula near Los Angeles city boundary (San Pedro 7.5'Q) 29 Comment
  UC457208  Apiastrum angustifolium Carl Epling 1931-5-2 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  RSA0042674  Apiastrum angustifolium Laura Moore, Jean Moore 1999-4-10 022 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA232704  Apium graveolens Larry E. DeBuhr, Gary Wallace 1972-9-4 s.n. Los Angeles San Clemente Island. In seepage area below barracks at Wilson Cove. Comment
  RSA470402  Apium graveolens E. Crow 1928-4-11 242 Los Angeles Puddingstone Canyon, Hills S of San Dimas. Comment
  RSA682670  Apocynum cannabinum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1109 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR152658  Aptenia cordifolia A. C. Sanders, Lee Jones 2005-4-8 29329 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  OBI35970  Aquilegia formosa J. & B. Semple, B. Semple 1981-8-14 5613 Los Angeles E of Kratka Ridge, along crk 2134 Comment
  UCR209915  Arceuthobium californicum R. G. Swinney 2008-7-25 9302 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  RSA756750  Arceuthobium campylopodum R. G. Swinney 2008-6-17 9049 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
  RSA626789  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20203 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  UCR51977  Arctostaphylos glandulosa Steve Boyd, T. S. Elias 1987-4-14 2043 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA0089374  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22118 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  LA42399  Arctostaphylos glandulosa subsp. mollis Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA630273  Arctostaphylos glandulosa subsp. mollis LeRoy Gross 1999-2-19 110 Los Angeles San Gabriel Mountains.: Little Tujunga Canyon Road to Dillon Divide. 1005 Comment
  POM367305  Arctostaphylos glauca B. C. Templeton 1932-6-1 4871 Los Angeles Blue Ridge, Big Pines park 2330 Comment
  RSA631457  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16041 Los Angeles Ridge Route, 9 km south of Liebre Gulch turnoff. 1000 Comment
  RSA631529  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15994 Los Angeles Hughes Lake Road, south of Cottonwood Campground. 800 Comment
  RSA631642  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15635 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631666  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15849 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  RSA634329  Arctostaphylos parryana subsp. parryana T. S. Ross, Darin L. Banks 1994-6-21 7987 Los Angeles Vicinity of Pacifico Mountain; descending northerly ridge with Tie canyon on the W, an upper tributary of Santiago canyon on the E; 2325m NW of 7124 ft summit. 1915 Comment
  RSA634694  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20344 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634865  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20264 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635071  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-8-3 11158 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA635128  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20287 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA635151  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20522 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635163  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20282 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  CAS-BOT-BC42171  Arctostaphylos patula Joseph Andorfer Ewan; Nesta Ewan 1936-8-17 10114 Los Angeles Big rock - Bear Creek divide, San Garbriel Mts. Comment
  RSA635237  Arctostaphylos patula Jon E. Keeley 1992-10-15 22075 Los Angeles Crystal Lake Cpgrd., San Gabriel Mtns. 1850 Comment
  RSA635249  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20645 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA635264  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20659 Los Angeles Angeles Crest Hwy., Eagle Roost Picnic Ground, 3.5 km west of old road to Crystal Lake. San Gabriel Mtns. 2030 Comment
  RSA773306  Arctostaphylos patula R. G. Swinney 2009-6-3 11037 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA367224  Arctostaphylos pringlei H. E. Hasse 1907-08 s.n. Los Angeles Topanga Canyon. Comment
  RSA725893  Arenaria douglasii A. C. Sanders 2003-5-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. 412 Comment
  UCR159705  Arenaria douglasii Orlando Mistretta 1993-5-10 836 Los Angeles Transverse Ranges, San Gabriel Mtns: Big Pines Hwy 1326 Comment
  UCR191297  Arenaria macradenia R. G. Swinney 1998-7-2 6266 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 1.6 mi. north of junction of roads 4N21B, 4N21A, and 4N21 on ridge north of end of 4N21 1963 Comment
  RSA0057890  Argemone munita Richard G. Swinney 2010-9-7 13683 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA190929  Aristida adscensionis var. modesta R. F. Thorne 1967-5-18 36879 Los Angeles Santa Catalina Island: Salta Verde 244 Comment
  RSA417223  Artemisia biennis Anstruther Davidson 1891-1 s.n. Los Angeles E. Los Angeles. Comment
  CAS-BOT-BC84974  Artemisia californica L. R. Abrams; I. L. Wiggins 1931-7-6 392 Los Angeles Vicinity of Mosquito Harbor, San Clemente Island Comment
  UC447151  Artemisia californica J. Ewan 1931-2-2 4009 Los Angeles Rio Hondo R. at Telegraph Road Comment
  CAS-BOT-BC90333  Artemisia douglasiana Rev. J. C. Nevin 1881-1 131 Los Angeles Los Angeles Comment
  UC625051  Artemisia douglasiana F. R. Fosberg 1931-7-11 S 5381 Los Angeles Cape Canyon Santa Catalina Island, Cape Canyon 220 Comment
  UC74039  Artemisia douglasiana Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  UCR133737  Artemisia douglasiana F. R. Fosberg 1931-7-11 S- 5381 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 230 Comment
  UCR186599  Artemisia douglasiana T. B. Salvato, Sarah Flack 2007-8-8 3037 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  POM49717  Artemisia douglasiana L. R. Abrams 1901-08 2181 Los Angeles Ballona Creek. 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
  SBBG62442  Artemisia dracunculus R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  POM19001  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7711 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  CAS-BOT-BC90815  Artemisia nesiotica L. R. Abrams; I. L. Wiggins 1931-7-3 299 Los Angeles Santa Barbara Island Comment
  RSA151202  Artemisia nesiotica Peter H. Raven 1962-7-11 18006 Los Angeles upper end of first canyon south of Lemon Tank, San Clemente Island Comment
  SD66835  Artemisia nesiotica R. Mitchel Beauchamp 1967-3-17 246 Los Angeles San Clemente Island; on slope east of Wilson Cove. Comment
  SDSU6157  Artemisia nesiotica R. M. Beauchamp 1967-6-2 539 Los Angeles Below road one mile northeast of NOTPier, San Clemente Island. Comment
  UCR209410  Artemisia tridentata R. G. Swinney 2008-10-8 9518 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR223395  Artemisia tridentata R. G. Swinney 2009-7-29 11405 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA587410  Artemisia tridentata subsp. parishii Orlando Mistretta 1995-4-5 1592 Los Angeles Drainage west of Little Rock Creek Reservoir. 1006 Comment
  CATA3268  Arundo donax Julia Parish, Ben Dion 2017-2-3 011 Los Angeles Santa Catalina Island: Industrial area northwest of Avalon Cemetery 0 Comment
  RSA706431  Asclepias californica LeRoy Gross 2005-6-23 2373 Los Angeles Road survey for Angeles National Forest; From Alder Saddle 4 miles down road 5N04 along South Fork Little Rock Creek. 1642 Comment
  UCR126861  Asclepias californica A. C. Sanders 2003-4-29 26173 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCSB27651  Asclepias californica Lavinger, S. 1975-10-26 Los Angeles At Charlton Flats Camp Grounds, near camp site #21; San Gabriel Mountains 1645 Comment
  POM247138  Asclepias eriocarpa Victor Duran 1933-7-25 3532 Los Angeles San Gabriel Mtns: Buckhorn. 1981 Comment
  CDA39756  Asclepias eriocarpa Phillipson 1916-8-1 s.n. Los Angeles Monrovia Comment
  IRVC28734  Asclepias fascicularis A. C. Sanders, M. S. Enright 2002-8-8 25571 Los Angeles Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 NE end of Santa Susana Mtns. 366 Comment
  RSA785814  Asclepias fascicularis K. Dobry 1991-6-13 837 Los Angeles Thousand Oaks Simi Hills on slopes of Metclef ridge. 1/2 mi N. of Olsen Rd off Moorpark Rd. Comment
  UC1584742  Asclepias fascicularis Tim Ross, Annette Ross 1991-6-3 5522 Los Angeles sw base Elephant Hill (west Pomona); Pomona 231 Comment
  UCR258619  Asclepias fascicularis R. G. Swinney 2010-9-13 13806 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  RSA191635  Asclepias fascicularis R. F. Thorne, M. Z. Thorne 1966-8-29 36588 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: below fountain near lodge, N end Crystal Lake at upper end of canyon of N Fork of San Gabriel River 1676 Comment
  RSA0104715  Asclepias vestita R. G. Swinney 2009-5-6 10652 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  UCR94470  Asclepias vestita Orlando Mistretta, C. Mistretta 1995-5-2 1666 Los Angeles San Gabriel Mtns., Carr Canyon 1082 Comment
  CAS-BOT-BC68852  Aspidotis californica L. R. Abrams 1901-4-15 1499 Los Angeles Wilson Trail Comment
  RSA632936  Aspidotis californica Valerie L. Soza, Kent Hughes 1999-6-17 542 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UC62727  Aspidotis californica Geo. B. Grant 1901-1 248 Los Angeles Santa Monica Range Comment
  UC42406  Aspidotis californica W. H. Brewer 1880-12-22 Los Angeles Santa Monica Comment
  RSA417661  Aster greatae F. W. Peirson 1924-8-23 5053 Los Angeles W fork San Gabriel River, just above forks Comment
  RSA595582  Aster greatae Lauren Raz, Steve Boyd 1996-10-23 063 Los Angeles Liebre Mountains. Cienega Campground. Ca. four miles along Forest Service Road 6N32 from saddle between Warm Springs and Fish Canyon 670 Comment
  RSA417653  Aster subulatus var. ligulatus H. L. Bauer 1929-09 379 Los Angeles Long Beach 30 Comment
  RSA0048640  Astragalus antisellii E. F. 1951-4-4 s.n. Los Angeles Topanga. Summit Rd. 1st bend in rd. down from Smmit. 457 Comment
  RSA0006711  Astragalus bicristatus P. A. Munz 1921-6-18 4593 Los Angeles San Antonio Mountains, head of Swartout [Swarthout] Valley. 2072 Comment
  CAS-BOT-BC180496  Astragalus brauntonii S. B. Parish 1908-1-1 s.n. Los Angeles Santa Monica Hills Comment
  RSA753679  Astragalus brauntonii A. Edwards, B. Edwards 2009-7-1 133 Los Angeles City of Monrovias Hillside Wilderness Preserve, along a flat dirt fire access road 427 Comment
  CHSC42318  Astragalus gambelianus Robert L. Dressler 1952-5-31 1221 Los Angeles Along trail from Miller Camp (lower Dalton Canyon) to Johnstone Peak, San Gabriel Mountains. Comment
  RSA415395  Astragalus lentiginosus Fay A. MacFadden 1931-03 2962 Los Angeles Near Llano, Mojave Desert. Comment
  SD66852  Astragalus miguelensis R. Mitchel Beauchamp 1967-3-19 323 Los Angeles San Clemente Isalnd, Sherman Field, sandy area south of the runway Comment
  CATA2288  Astragalus nevinii Howard L. Ferguson 1980-3-10 100 Los Angeles San Clemente Island: Growing on stabilized dunes just N of Western end of new airfield 7 Comment
  RSA251383  Astragalus nevinii R. F. Thorne 1966-4-15 35994 Los Angeles San Clemente Island: 2/3 miles SSE of Eel Point (and N of seal Cove), SW side of island 30 Comment
  RSA515089  Astragalus nevinii Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 798 -2 Los Angeles San Clemente Island: NW end of main runway. 3 Comment
  UCR274564  Astragalus preussii var. laxiflorus 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
  RSA0116318  Astragalus purshii var. tinctus A. C. Sanders 2006-4-10 31990 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
  RSA601338  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-6-17 9956 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  CAS-BOT-BC200830  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon 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
  CDA31250  Atriplex californica M. O'Brien 2010-5-16 s.n. Los Angeles Santa Monica Mountains; El Matador State Beach. 15 Comment
  RSA188193  Atriplex californica R. F. Thorne, P. Everett 1965-6-23 34398 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. On rocky bluff on south side of beach. Comment
  UC110235  Atriplex californica T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UC284142  Atriplex californica P. A. Munz 1923-4-8 6616 Los Angeles San Clemente Island Comment
  UCR239960  Atriplex canescens R. G. Swinney 2009-11-13 11616 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA711442  Atriplex confertifolia LeRoy Gross 2005-5-19 2307 Los Angeles South of Ave A (Kern County boundary) east of the #14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway., Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  CAS-BOT-BC140676  Atriplex glauca Dan S. Cooper 2010-5-3 510 -42 Los Angeles South Coast: Portuguese Bend, Palo Verdes Peninsula 63 Comment
  RSA746735  Atriplex glauca A. C. Sanders, T. B. Salvato 2009-5-19 36812 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. 110 Comment
  UCR123268  Atriplex heterosperma A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25491 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  SFV17272  Atriplex prostrata B. N. Nguyen 1998-1-14 s. n. Los Angeles Malibu Lagoon State Beach. Along Malibu Creek near ocean. Comment
  RSA550004  Atriplex semibaccata Scott D. White 1992-10-9 942 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
  RSA579130  Atriplex semibaccata T. S. Ross, J. M. Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7438 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  RSA595634  Atriplex semibaccata Steve Boyd, Lauren Raz 1996-10-8 9021 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, ca. 0.9 miles east of junction with Bouquet Canyon Road. 524 Comment
  SD51863  Atriplex semibaccata Peter H. Raven 1962-7-10 17948 Los Angeles San Clemente Island; near west shore of island due west of Wall 2. Comment
  SDSU5564  Atriplex semibaccata R. M. Beauchamp 1967-3-17 251 Los Angeles San Clemente Island. Comment
  RSA692081  Atriplex serenana var. serenana A. C. Sanders, Mark Elvin 2002-8-28 25598 Los Angeles NE end of Santa Susana Mts.: Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusment park 360 Comment
  RSA478350  Atriplex subspicata M. B. Dunkle 1930-7-23 2440 Los Angeles Little Harbor, Santa Catalina Island. Comment
  SD107824  Atriplex triangularis Robert F. Thorne 1974-9-13 45092 Los Angeles Santa Catalina Island; along east side of inner Catalina Harbor. 0 Comment
  RSA453980  Atriplex watsonii M. B. Dunkle 1939-4-4 7264 Los Angeles San Clemente Island: China Point, Pyramid Cove Comment
  CHSC8363  Avena barbata Edward L. Smith 1957-5-21 51 Los Angeles Pomona College, Claremont. 365 Comment
  UCR183997  Avena barbata A. C. Sanders 2007-4-19 33439 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR213404  Avena fatua A. C. Sanders, Dan S. Cooper 2010-3-12 37348 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA599356  Avena sativa L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; Brown School for Girls, vicinity of stables. 335 Comment
  UC1922751  Avena sativa Valerie L. Soza, Laura Moore 2000-5-10 846 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines, W of peak ''1936''. Near 34deg 14' 31.5'' N 118deg 18' 6.9'' W T2N R14W NE/4, SW/4 sec. 2 Comment
  RSA596697  Baccharis douglasii Steve Boyd, Lauren Raz 1996-9-24 8934 B Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA642518  Baccharis emoryi D. E. Bramlet 1999-11-16 2827 a Los Angeles Old meander of San Jose Creek. 5m east of Valley Blvd. and 1km north of Grand Ave. 76m west of the existing San Jose Creek flood control channel. 58 Comment
  SBBG13592  Baccharis glutinosa E. R. Blakley 1962-10-5 5456 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA599026  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Head of Reynier Canyon off Sand Canyon 595 Comment
  POM350358  Baccharis salicifolia M. B. Dunkle 1938-3-20 5258 Los Angeles Rolling hills, Palos Verdes Hills, Los Angeles. Comment
  RSA483725  Baccharis salicifolia Richard Noyes, L. Arnseth 1988-4-30 519 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA591992  Baccharis salicifolia Mark Hoefs 1973-6-5 341 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon. 23 Comment
  SBBG12552  Baccharis salicifolia P. H. Raven 1962-5-8 17629 Los Angeles dunes on W side 0.3 mi from the ocean, opposite Wilson Cove 12 Comment
  CAS-BOT-BC106761  Baccharis salicifolia A. D. E. Elmer 1902-6-1 3701 Los Angeles Acton Comment
  SBBG128368  Baccharis sarothroides S. Ratay, V. Englert 2009-11-29 110 Los Angeles Empire Fire perimeter (2006), in transect 2b line; uphill from old marble quarry Comment
  JEPS32260  Balsamorhiza deltoidea I. W. Clokey, C. B. Clokey and B. C. Templeton 1930-5-13 4628 Los Angeles Bouquet Canyon 1100 Comment
  UCR229521  Bassia hyssopifolia Jeremiah George 2011-9-28 s.n. Los Angeles South Coast, Long Beach, east side of Los Angeles River channel, south of West Shoreline Dr. offramp from 710 Fwy 4 Comment
  RSA598293  Bellis perennis L. C. Wheeler 1947-5-11 6484 Los Angeles Arcadia. Rancho Santa Anita. Baldwin Estate, near coach house. Comment
  RSA607609  Bidens frondosa L. C. Wheeler 1966-10-25 9085 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  CAS-BOT-BC127997  Bidens pilosa Lewis S. Rose 1934-12-26 34497 Los Angeles Arroyo Seco, Altadena Comment
  UC447140  Bidens pilosa J. Ewan 1931-5-11 4187 Los Angeles Los Angeles, Ocean View Street Comment
  UC535496  Bloomeria crocea Ira W. Clokey, B. Templeton 1929-5-1 4543 Los Angeles Mandeville Canyon Santa Monica Mountains 500 Comment
  RSA0013598  Boechera repanda Orlando Mistretta, Christine Mistretta 2011-6-29 5775 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, E of summit. 1762 Comment
  CAS-BOT-BC30966  Bolboschoenus maritimus A. C. Sanders; E. J. Lott 1993-5-6 13991 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, 701 Comment
  RSA729782  Boschniakia strobilacea R. G. Swinney 1999-8-9 7602 Los Angeles San Gabriel Mtns.: Big Horne Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2317 Comment
  SD49386  Bowlesia incana Reid Moran 1959-3-9 7161 Los Angeles San Clemente Island, small arroyo, 1 mile north of Eel Point 20 Comment
  UCR133749  Bowlesia incana F. R. Fosberg 1931-3-20 S- 4320 Los Angeles Channel Islands, Hamilton Canyon, Santa Catalina Island 25 Comment
  RSA9738  Bowlesia incana L. C. Wheeler 1932-5-8 688 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  PASA1922  Bowlesia septentrionalis Sally Ellis 1939-4-7 Los Angeles Puddingstone dam Comment
  LA202157  Boykinia occidentalis Dorothy Steinicke; 2004-7-13 Los Angeles 234 Comment
  RSA588678  Boykinia rotundifolia Orlando Mistretta 1995-7-12 1920 Los Angeles San Gabriel Mountains: Little Rock Creek Confluence on Little Rock Creek and South Fork fo Little Rock Creek. 1220 Comment
  RSA0042797  Brassica campestris Harold L. Pirie 1963-4-27 s.n. Los Angeles Near Jopham entrance of L.A. Pierce College, Woodland Hills. 243 Comment
  UCR223711  Brassica geniculata R. G. Swinney 2009-6-12 11116 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR259547  Brassica geniculata R. G. Swinney 2010-9-7 13695 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR95748  Brassica geniculata L. C. Wheeler 1967-3-3 9171 Los Angeles San Gabriel Mtns., Sunset Ridge, west of Chaney Trail Comment
  SEINET9119060  Brassica nigra E. Adams 1978-1 S.N. Los Angeles Altadena, Eaton Canyon. Sandy streambed. Comment
  POM462  Brassica rapa P. A. Munz 1918-4-11 s.n. Los Angeles Claremont. 365 Comment
  CAS-BOT-BC100416  Brickellia californica Frank W. Peirson 1922-9-14 4732 Los Angeles Cascade [Canon] Canyon, San Antonio Region 1402 Comment
  CAS-BOT-BC100436  Brickellia californica Grinnell 1911-9-29 s.n. Los Angeles San Gabriel Mts., Bailey [Canon] Canyon Comment
  JEPS19499  Brickellia californica Peter H. Raven 1957-9-21 11350 Los Angeles Pacific Palisades. Comment
  RSA0085064  Brodiaea filifolia Robert Kessler 1892-05 3418 Los Angeles Foothills N. of Glendora, Los Angeles. Comment
  SDSU234  Brodiaea kinkiensis R. M . Beauchamp 1967-6-3 548 Los Angeles In field southeast of Lemon Tank. Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  UCSB372  Bromus carinatus K. H. B. 1943-6-14 1851 Los Angeles collected along Garbage Pit Road S of Dry Lake in the Parking Place for gage 1, at Tankbark Flat of San Dimas Experimental Forest in the San Gabriel Mountains Garbage Pit Road, Dry Lake, and San Dimas Experimental Fores 822 Comment
  RSA641521  Bromus carinatus var. carinatus L. C. Wheeler 1967-9-5 10691 Los Angeles Lupine Campground, Prairie Fork; T3N R8W S24 1982 Comment
  SEINET935026  Bromus carinatus var. marginatus Tim Ross 1992-1 6385 Los Angeles E. fork of the San Gabriel River, ca. 145 m SSE of the mouth of Shoemaker Canyon; Rancho Santa Ana Botanic Garden Comment
  RSA723221  Bromus catharticus LeRoy Gross 2007-5-2 2664 Los Angeles Southern part of the range; Stough Canyon just below the nature center. Near 427 Comment
  CAS-BOT-BC156110  Bromus diandrus Carl B. Wolf 1932-5-9 3424 Los Angeles Santa Catalina Island. Avalon. Near bathhouse. 7 Comment
  LA98897  Bromus diandrus E. R. Hobbs; 1979-5-6 79- 69 Los Angeles Placerita Canyon State and County Park Comment
  RSA177677  Bromus diandrus R. F. Thorne, Percy C. Everett 1965-5-10 34457 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  UCD58563  Bromus diandrus subsp. diandrus Jack Delaini 1974-4-25 134 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. Near San Dimas Creek at mouth of canyon. 365 Comment
  CAS-BOT-BC155585  Bromus grandis Samuel B. Parish 1888-5-29 s.n. Los Angeles San Bernardino Mountain. Waterman's Canyon. Comment
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Sep 14 2019
  RSA532657  Bromus grandis Timothy S. Ross 1991-8-14 5780 Los Angeles Roundtop [Mtn.] 1768 Comment
  RSA574276  Bromus grandis Timothy S. Ross, Walter Appleby 1993-5-20 7212 Los Angeles Western San Gabriel Mountains: Vicinity of Los Pinetos Spring. 899 Comment
  SBBG56554  Bromus grandis R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  POM363869  Bromus hordeaceus Caroline Shryock, Glenn Shryock 1924-5-15 s.n. Los Angeles Los Angeles. Comment
  RSA363872  Bromus hordeaceus Alva Watry 1931-5-6 s.n. Los Angeles Los Angeles. Comment
  SBBG17971  Bromus hordeaceus E. R. Blakley 1963-4-10 5596 Los Angeles 1 mi S of Avalon 30 Comment
  POM364050  Bromus laevipes Louis Greata 1901-09 s.n. Los Angeles Arroyo Seco. Comment
  UC1131219  Bromus madritensis subsp. rubens G. T. Nordstrom 1935-3-23 398 Los Angeles 1/2 mi w of Caswell's 914 Comment
  LA90666  Bromus rubens Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, S end of Edwards Air Force Base, on 140th St Comment
  RSA0119657  Bromus rubens R. G. Swinney 2014-4-30 16283 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
  RSA603904  Bromus sterilis L. C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  UCR152886  Bromus tectorum A. C. Sanders, Helen Kennedy 2005-4-13 29438 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CDA5375  Buddleja saligna T. C. Fuller 1966-9-27 15215 Los Angeles Adjacent to power sub-station, east side of Rambla Pacifico Road, Santa Monica Mountains, 0.3 mile north of Malibu Sea Lion, Malibu. 0 Comment
  CATA152  Cakile maritima Mark L. Hoefs, A. Douglas Propst 1973-3-14 116 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 15 Comment
  RSA612198  Calandrinia ciliata Bill Campbell 1932-3-25 s.n. Los Angeles Santa Monica Mountains; Los Alisos Canyon. Comment
  RSA232801  Calandrinia ciliata R. F. Thorne 1966-4-16 36072 a Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  RSA377236  Calochortus albus H. Twining 1890-04 s.n. Los Angeles Colton, dry river bed Comment
  LA22329  Calochortus catalinae Carl Epling; 1939-2-7 sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  POM1719  Calochortus catalinae D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  SD134562  Calochortus catalinae Craig Reiser 1989-3-23 Los Angeles Santa Monica Mountains, near Escondido Creek, grassy ridge. (IPB 2/08) Comment
  POM1711  Calochortus invenustus I. M. Johnston 1917-7-4 1379 Los Angeles Bear Flat Trail to Baldy Comment
  UCR271596  Calochortus palmeri R. G. Swinney 2011-6-14 15148 Los Angeles San Gabriel Mountains, upper Charlton Flat Campground., 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road 1671 Comment
  RSA377424  Calochortus plummerae Geo L. Moxley, Grinnell 1916-6-15 478 Los Angeles Hills north of Chatsworth. 366 Comment
  RSA549144  Calochortus plummerae Timothy S. Ross 1992-7-16 6695 Los Angeles San Gabriel Mountains: S of Indian Ben Saddle, NE of Iron Mountain 1573 Comment
  UCR281966  Calyptridium monandrum R. G. Swinney 2014-4-24 16231 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
  RSA584968  Calystegia longipes T. S. Ross 1990-6-1 2760 Los Angeles San Gabriel Mountains, Moody Canyon (a.k.a. 'The Toilet Bowl of Death'): draining northward from Messenger Flats and Mt Gleason. 1159 Comment
  RSA572380  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-11-26 s.n. Los Angeles NorthWest Harbor of San Clemente Island. Comment
  RSA630281  Calystegia macrostegia subsp. intermedia LeRoy Gross 1999-2-25 122 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway. 609 Comment
  RSA647793  Calystegia macrostegia subsp. intermedia LeRoy Gross, Laura Moore 2000-6-5 210 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  SD225759  Calystegia macrostegia subsp. intermedia R. K. Brummitt 1998-5-24 20019 Los Angeles San Gabriel Mts., San Gabriel Canyon between two dams 399 Comment
  CAS-BOT-BC418630  Calystegia occidentalis subsp. fulcrata R. K. Brummitt; S. M. Namoff 2012-6-7 22036 Los Angeles Angeles National Forest, San Gabriel Mts., N side of Big Pine hwy, 50 m W of junction with Hwy 2 2080 Comment
  UC1861746  Calystegia peirsonii Scott D. White, Pam DeVries 2004-5-18 10443 Los Angeles Western Transverse Ranges: Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. (Oat Mountain) 396 Comment
  UC2027708  Calystegia peirsonii Anuja Parikh with Nathan Gale 2011-6-6 3420 Los Angeles WTR, E Liebre Mountains, Sierra Pelona, 5.0 km W of State Highway 14, 1.6 km SW of California Aqueduct. Comment
  IRVC26345  Camissonia bistorta A. C. Sanders, Andy Thompson 2003-4-15 26017 Los Angeles Newhall Ranch, disturbed alluvial flat ca. 500 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 351 Comment
  POM3088  Camissonia bistorta E. L. Brown 1893-05 s.n. Los Angeles Los Angeles, Elysian Park Comment
  UCR125407  Camissonia bistorta A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25699 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  RSA228887  Camissonia bistorta Robert F. Thorne 1971-6-26 40622 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Tujunga Canyon 427 Comment
  SEINET4044557  Camissonia californica D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  CHSC95542  Camissonia campestris subsp. campestris LeRoy Gross 2005-4-28 2134 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
  RSA713247  Camissonia campestris subsp. campestris LeRoy Gross 2005-5-3 2225 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA713725  Camissonia campestris subsp. campestris LeRoy Gross 2005-4-28 2134 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA515098  Camissonia guadalupensis subsp. clementina Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-29 801 -5 Los Angeles San Clemente Island: Main dune area at Darter Road, NW part of the island. Comment
  POM10178  Camissonia hirtella P. A. Munz, R. D. Harwood 1920-4-21 3686 Los Angeles San Dimas Canyon. 457 Comment
  RSA311278  Camissonia hirtella Robert F. Thorne 1969-7-2 38241 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1585 Comment
  RSA584287  Camissonia hirtella Tim S. Ross, Orlando Mistretta 1993-5-26 7302 Los Angeles W end of the San Gabriel Mtns: southerly slope off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle (draining to Wilson Canyon and Sylmar). 994 Comment
  UCR178080  Camissonia hirtella LeRoy Gross, B. Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 942 Los Angeles Transverse Ranges; San Gabriel Mountains, Pacifico Mountain Road (3N17) c. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff 1799 Comment
  CDA38021  Camissonia kernensis T. C. Fuller 1962-4-1 8168 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  RSA678388  Camissonia micrantha Valerie L. Soza, LeRoy Gross 2002-4-3 1371 Los Angeles West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCR220198  Camissonia pallida R. G. Swinney 2009-4-2 10247 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UC166869  Camissonia strigulosa George B. Grant and Walter Wheeler 1904-5-7 Los Angeles in waste wash land Glendora Comment
  LA46698  Camissoniopsis bistorta Virginia Mars; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume Comment
  OBI70945  Camissoniopsis bistorta Steve Boyd, Lauren Raz 1997-3-25 9271 Los Angeles Liebre Mts Region. Knapp Ranch area at upper end of Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre Mtn, flats and slopes just NE of ranch compound 1061 Comment
  LA206066  Camissoniopsis cheiranthifolia subsp. cheiranthifolia J. A. Ewan; 1932-5-19 7544 Los Angeles near power house Playa del Rey Comment
  SFV21988  Camissoniopsis hirtella J. N. Hogue 2011-7-23 397 .5 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  LA46791  Camissoniopsis intermedia Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SDSU8868  Camissoniopsis lewisii R. M. Beauchamp 1967-6-3 565 Los Angeles On grassy slope on north side of canyon south of thirst. San Clemente Island. Comment
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May 16 2008
  RSA0031573  Camissoniopsis micrantha Nancy Hamlett 2014-4-23 s.n. Los Angeles Bernard Field Station, Claremont. 366 Comment
  UC20497  Camissoniopsis micrantha W. H. Brewer Feb. 1861 221 Los Angeles Santa Susanna Mountains Comment
  UC10289  Capsella bursa-pastoris W. H. Brewer 1861-2-9 172 Los Angeles Los Angeles Comment
  RSA187724  Cardamine californica var. integrifolia R. F. Thorne 1966-4-7 35962 Los Angeles Cherry Valley, Santa Catalina Island. 61 Comment
  CAS-BOT-BC37897  Cardamine oligosperma Jerome S. Horton 1941-4-4 589 Los Angeles Angeles Forest. San Dimas Canyon on trail to flumes 4 and 5. 609 Comment
  SD232637  Cardaria pubescens A. C. Sanders, E. J. Lott 1993-5-6 13969 Los Angeles Mojave Desert: 13 miles N of Palmdale, Sierra Hwy at Ave F. 701 Comment
  RSA751114  Carduus pycnocephalus Justin M. Wood 2009-6-5 841 Los Angeles Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR108195  Carduus pycnocephalus Steve Boyd, R. K. Brummitt, Laura A. Moore 1998-5-26 10226 Los Angeles San Gabriel Mtns., north base of range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  RSA0073295  Carex abrupta Bonnie C. Templeton 1932-6-1 4875 Los Angeles Below amateur skii jump, Big Pines Park, San Gabriel Mts. Comment
  CAS-BOT-BC17676  Carex alma Timothy S. Ross; Steve Boyd 1990-6-1 2758 Los Angeles San Gabriel Mountains. Moody Canyon: drainage northward from Messenger Flats and Mt. Gleason. Along Moody Canyon Stream. 1341 Comment
  RSA775351  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-4 5262 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA569408  Carex douglasii B. C. Templeton 1932-5-31 4906 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  CHSC76590  Carex fracta Louis C. Wheeler 1967-8-2 10307 Los Angeles San Gabriel Mountains: Sheep Camp Spring, W slope of Mt. Pacifico. 1950 Comment
  UCR159911  Carex senta Orlando Mistretta 1993-7-6 923 Los Angeles Transverse Ranges; San Gabriel Mountains, Buckhorn Canyon, near exit to Buckhorn Canyon Campground Comment
  SBBG80464  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles next major drainage way and cyn SE of Lemon Tank Comment
  SBBG66843  Castilleja affinis R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  RSA425859  Castilleja affinis Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  LA94900  Castilleja affinis subsp. affinis K. Larson; J. Neel 1950-4-2 33 Los Angeles 548 Comment
  RSA590937  Castilleja angustifolia Orlando Mistretta 1994-4-12 1028 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  UC1409147  Castilleja angustifolia Larry DeBuhr, R. F. Thorne et al. 1973-5-11 1074 Los Angeles 0.5 mi e Mt. Emma Rd. jct. with Little Rock Creek Dam Rd. (s of Mt. Emma Rd) Comment
  RSA317218  Castilleja applegatei subsp. martinii Michael C. Long 1974-4-21 s.n. Los Angeles Devil's Punchbowl Co. Park, Holcomb Canyon. 1311 Comment
  UC1063030  Castilleja applegatei subsp. martinii Jerome S. Horton 1939-6-1 548 Los Angeles Fern Canyon; Cucamonga Quad. 1584 Comment
  POM308416  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1937-7-18 3104 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA762240  Castilleja applegatei subsp. martinii Orlando Mistretta, Christine Mistretta 2008-5-19 3126 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 101 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1146 Comment
  UCSB6003  Castilleja applegatei subsp. martinii H., J. 1935-3-15 Los Angeles San Dimas Exp. Forest; San Dimas watershed; San Dimas Dam; sec 19, T IN, R 8W 457 Comment
  JEPS30730  Castilleja exserta subsp. exserta Peter H. Raven 1962-3-27 16996 Los Angeles 1.4 mi e Portugese Bend (along Palos Verdes Drive); Palos Verdes Hills Comment
  CHSC100405  Castilleja foliolosa John Dittes; Josephine Guardino 2008-2-23 1508 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Aliso Cyn; ca. 6.5 air-miles SE of Acton, ca. 2.6 air-miles N of Mill Creek Summit, 1.1 air-mile S x SE of Angeles Forest Highway and Santiago Truck Trail intersection. 1197 Comment
  RSA0048552  Castilleja foliolosa Edward E. Gripp 1950-4-20 s.n. Los Angeles Topanga. 304 Comment
  SBBG126954  Castilleja linariifolia A. Parikh, N. Gale 2011-6-7 3422 Los Angeles 3.9 km W of St Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1040 Comment
  UCR150857  Castilleja miniata R. G. Swinney 1999-8-16 7665 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR159699  Castilleja miniata subsp. miniata Orlando Mistretta 1992-7-14 715 Los Angeles Transverse Ranges, San Gabriel Mtns: Gold Canyon Trail, Tujunga Ranger District Comment
  SBBG72105  Caulanthus amplexicaulis var. amplexicaulis R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  POM369302  Caulanthus coulteri var. coulteri B. C. Templeton 1930-5-5 s.n. Los Angeles 1 mile no. of Elizabeth Lake. 1100 Comment
  SBBG15887  Caulanthus heterophyllus W. G. Webb 1935-3-3 Los Angeles San Rafael Hills, N of Glendale (cf. var. pseudosimulans Buck, nom. illegit.) Comment
  SEINET7991928  Caulanthus inflatus Louis C. Wheeler 1973-4-20 No determinado Los Angeles San Gabriel Mountains, Edge of Antelope Valley. 40th Street E, between Californi Comment
  UCR247281  Ceanothus Dan S. Cooper 2013-3-17 313- 51 Los Angeles Los Angeles, Royce Canyon in Griffith Park, along road leading down to canyon, near Mt. Hollywood Dr. 280 Comment
  LA52211  Ceanothus crassifolius Henry J. Thompson; 1959-3-22 1866 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  UC80005  Ceanothus crassifolius Katharine Brandegee May 1889 85 Los Angeles Newhall Comment
  RSA230207  Ceanothus greggii var. vestitus Robert F. Thorne 1969-7-2 38274 Los Angeles Angeles National Forest 1616 Comment
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Aug 11 2015
  UCR78124  Ceanothus integerrimus Wandalee Thompson 1964-4-11 5 Los Angeles San Gabriel Mtns., Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest 457 Comment
  CAS-BOT-BC523909  Ceanothus leucodermis R. G. Swinney 2011-7-8 15521 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest) of three natural depressions at the N base of Strawberry Peak 1182 Comment
  UCR204895  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  UCR260802  Ceanothus leucodermis R. G. Swinney 2010-8-9 13465 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  UC535500  Ceanothus megacarpus Ira W. Clokey, B. Templeton Apr 1929 4508 Los Angeles Alluvial bottom Mandeville Canyon; Santa Monica Mountains Comment
  HSC79119  Ceanothus megacarpus subsp. insularis James Henrickson Jan 1973 8121 Los Angeles 2 air miles WNW of Avalon. Comment
  RSA158347  Ceanothus megacarpus var. insularis Peter H. Raven 1962-5-9 17704 Los Angeles Just N of Gray, San Clemente Island. 366 Comment
  LA52219  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1932-5-14 4064 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  CAS-BOT-BC50492  Ceanothus oliganthus John Thomas Howell 1930-5-18 5173 Los Angeles Pacoima Canyon, San Gabriel Mountains Comment
  RSA127441  Ceanothus oliganthus H. J. Thompson 1959-3-22 1868 Los Angeles 1 mile W of Triunfo Canyon, 3 miles W of Malibu Lake, Lobo Canyon. 274 Comment
  CLARK-A1528-3897  Ceanothus oliganthus John C. Roos 1942-3-7 1106 Los Angeles La Canada Comment
  LA105112  Ceanothus spinosus Barry A. Prigge; 1988-7-9 8269 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, 0.4 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 377 Comment
  SD2993  Ceanothus tomentosus Ruth Randall July 1931 Los Angeles Big Pines Comment
  RSA0107273  Centaurea cyanus R. G. Swinney 2011-6-30 15374 Los Angeles San Gabriel Mountains: 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon. 1085 Comment
  SBBG65834  Centaurea melitensis R. Hoffmann 1929-4-26 Los Angeles ca. 5 mi W of Castaic Comment
  POM351499  Centaurea melitensis E. S. Spalding 1923-6-25 s.n. Los Angeles Eagle Rock. Comment
  RSA654594  Centaurea melitensis Scott Lowe 1991-5-20 41 Los Angeles San Gabriel River Channel, about 150 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UCR95171  Centaurea solstitialis Steve Boyd, M. Elvin, V. Jotikasthira 1996-6-25 8867 Los Angeles Liebre Mtns, along the Ridge Route west of Castaic Cyn, 1.3 mi. north of the jct w/ Templin Hwy. 854 Comment
  SD143692  Centranthus ruber Scott D. White 1997-5-21 5206 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Hwy 39; canyon bottom along road to gauging stn. Below Morris Dam. 244 Comment
  UC75837  Centromadia parryi subsp. australis Pupils of Los Angeles High School 1903-5-1 Los Angeles Laurel Canyon Comment
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May 22 2009
  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
  UC584111  Centrostegia thurberi var. thurberi David D. Keck, Palmer Stockwell 1935-5-16 3306 Los Angeles 1.5 mi s of Palmdale Comment
  POM607  Cercocarpus betuloides C. F. Baker 1904-3-15 4153 Los Angeles Claremont. Comment
  UC1211063  Cercocarpus betuloides Huron H. Smith 1912-6-24 5165 Los Angeles Santa Catalina Island, Rock Srings Canyon Rock Srings Canyon; Santa Catalina Island, Rock Srings Canyon 304 Comment
  SEINET6331970  Cercocarpus betuloides I. W. Clokey, B. C. Templeton 4596 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  POM453275  Cercocarpus betuloides var. betuloides L. E. Hoffman 1931-11-9 s.n. Los Angeles Millards Canyon. Comment
  RSA587285  Cercocarpus betuloides var. betuloides Tim S. Ross, Steve D. Boyd 1990-5-17 2563 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA449413  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-3-3 2057 Los Angeles Hamilton Canyon, Santa Catalina Island. 5 Comment
  SBBG12776  Cercocarpus betuloides var. blancheae E. R. Blakley 1962-10-3 5367 Los Angeles between Wrigley Reservoir and the SE Fk of Gallagher Cyn 381 Comment
  UC729585  Cercocarpus betuloides var. blancheae Carl B. Wolf 1932-5-9 3478 Los Angeles 1/3 mi above Mexican Houses (Left (East) Fork of Bebbly Beach Canyon, Santa Catalina Island); Santa Catalina Island, East Fork of Bebbly Beach Canyon 152 Comment
  RSA649652  Cercocarpus ledifolius Michael Horn 1991-4-30 11 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  HSC18565  Cercocarpus montanus var. glaber C. S. Apperson 1966-4-16 Los Angeles Texas Canyon Ranger Station, Angeles National Forest Comment
  UCD112909  Cercocarpus traskiae Robert F. Thorne 1967-5-18 36872 Los Angeles Santa Catalina Island. Wild Boar Gully (Cercocarpus Arroyo). 167 Comment
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Jun 12 2014
  RSA660125  Chaenactis artemisiifolia Orlando Mistretta 1992-6-12 535 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC535375  Chaenactis artemisiifolia Ira W. Clokey, B. Templeton 1929-5-1 4489 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UCR126636  Chaenactis glabriuscula A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26054 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  RSA225743  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, A. C. Gibson 1971-5-22 39714 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA620656  Chaenactis glabriuscula var. glabriuscula B. Pitzer 1998-5-23 3738 Los Angeles Western Transverse Range Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  CAS-BOT-BC277524  Chaenactis glabriuscula var. lanosa Alice Eastwood; John Thomas Howell 1937-4-26 3941 Los Angeles Near Saugus Comment
  JEPS30578  Chaenactis glabriuscula var. orcuttiana Donald M. Kyhos 1958-5-10 58 -187 Los Angeles Playa del Rey Comment
  CHSC26364  Chaenactis santolinoides 1966-4-23 Los Angeles Ca. 27 miles NE of La Canada, 2 miles NE of Mt. Wilson on Hwy. 2 in San Gabriel Mtns. 1737 Comment
  CAS-BOT-BC279715  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles Tehachapi Mountains. Oso Canyon, 0.5 mile west of Coe Field fence 1036 Comment
  JEPS31170  Chaenactis xantiana Ernest C. Twisselmann 1962-4-18 6953 Los Angeles 0.5 mi w of Coe Field fence; Tehachapi Mountains, Oso Canyon 1036 Comment
  LA200427  Chamaesyce albomarginata Joseph Andorfer Ewan; 1932-7-11 7973 Los Angeles Los Angeles, Van Nuys Estate of Loma Drive Comment
  UCSB8660  Chamaesyce albomarginata McElwain, Isabelle 1953-3-8 Los Angeles East side of driveway 17090 Bull Canyon Rd., Granada Hills Comment
  RSA598994  Chamaesyce melanadenia L. C. Wheeler 1952-3-30 6844 Los Angeles San Gabriel Mountains: Little Tujunga Guard Station. 381 Comment
  UC519728  Chamaesyce melanadenia Joseph Andorfer Ewan 1932-5-10 7460 Los Angeles above Verdugo Hacienda; Verdugo Canyon Comment
  RSA549243  Chamaesyce serpens Scott D. White 1992-10-9 943 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
  SEINET10385140  Chamaesyce serpens Louis C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach Comment
  RSA603394  Chamaesyce serpens L. C. Wheeler 1975-5-11 s.n. Los Angeles Hacienda Heights: 7th Avenue and Pomona Freeway. Comment
  LA201512  Chamaesyce serpillifolia subsp. serpillifolia Arthur C. Gibson; 2003-5-17 4879 Los Angeles Santa Monica Mountains, Triunfo Canyon, Mulholland Hwy, N of Malibu Lake 266 Comment
  JEPS60013  Cheilanthes covillei Joseph Ewan 1932-6-12 7373 Los Angeles North Fork Tujunga Creek 975 Comment
  UCR277234  Chenopodium R. G. Swinney 2010-10-5 13974 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, west of 'Oak of the Golden Dreams', at west boundary of park 451 Comment
  RSA423283  Chenopodium album Gertrude Dunn 1930-8-8 s.n. Los Angeles Arroyo Seco, S. Pasadena Comment
  SBBG30060  Chenopodium album J. Snow 1932-1 Los Angeles Bryant Ranch, near Long Beach Comment
  UCSB1669  Chenopodium album Wedberg, H. 1958-7-14 Los Angeles Faculty Hill, UCLA Campus Comment
  LA51484  Chenopodium ambrosioides Peter H. Raven; 1959-2-15 13780 Los Angeles Santa Monica Mountains, Brown Canyon, 2.6 mi N of Sunset Blvd on Beverly Glen Blvd 213 Comment
  RSA5208  Chenopodium ambrosioides C. B. Wolf 1932-9-13 4063 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27., (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  RSA603815  Chenopodium berlandieri Steve Boyd 1997-9-10 10031 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed., Near 34 deg 43' 07.6''N 118 deg 40' 07.7''W. 1743 Comment
  RSA423271  Chenopodium berlandieri var. sinuatum Louis Greata 1900-9-23 s.n. Los Angeles Garvanza. Comment
  RSA0021703  Chenopodium botrys Duncan S. Bell, Caitlin Elam 2013-6-24 5266 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  POM211790  Chenopodium botrys L. C. Wheeler 1933-8-20 2086 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  RSA515169  Chenopodium californicum Steve Boyd, Orlando Mistretta 1986-3-31 1543 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
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Sep 24 2007
  SBBG98413  Chenopodium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5283 Los Angeles W fk of Near-Death Cyn, draining to Mosquito Cove 304 Comment
  SEINET3156666  Chenopodium californicum L. Abrams 1903-4-10 3242 Los Angeles near Inglewood Comment
  RSA729394  Chenopodium leptophyllum R. G. Swinney 1998-7-21 6485 Los Angeles 0.8 mi. SE of junction of Pine Mountain Ridge and Fish Fork Trail 2256 Comment
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Apr 11 2010
  RSA478526  Chenopodium multifidum E. S. Spalding 1931-7-31 s.n. Los Angeles Near Manhattan Beach, roadside in back country. Comment
  RSA0039138  Chenopodium murale R. G. Swinney 2010-3-10 11790 Los Angeles Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes. 305 Comment
  CAS-BOT-BC32866  Chorizanthe parryi var. fernandina A. E. , Mrs. Bush 1879-6-1 s.n. Los Angeles San Fernando Valley Comment
  CAS-BOT-BC246330  Chorizanthe spinosa James L. Reveal 1988-5-17 6794 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile north of J Street, on the west side of the highway west of the Mira Loma Rehabilitation Center (or Detention Facility), about 6 air miles west of Lancaster 716 Comment
  JEPS57799  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  POM2205  Chorizanthe staticoides Unspecified 1909-06 39 Los Angeles Claremont. Comment
  RSA783629  Chorizanthe staticoides J. D. Olmsted 1958-5-15 148 Los Angeles Southward drainage along San Antonio Creek in Blanchard Park o Pomona College Campus, near eastern boundary of Los Angeles County 366 Comment
  SEINET3133943  Chorizanthe staticoides L. Abrams 1902-6-16 2554 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  UC52617  Chorizanthe staticoides J. H. Barber 1897-6-24 173 Los Angeles Mountains near Newhall (Southern California); Mountains near Newhall Comment
  UCR19782  Chorizanthe staticoides Art Whistler 1966-5-1 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., near Seminole Hot Springs, vicinity of junction of Cornell St. and Mulholland Dr. 244 Comment
  UCR277133  Chorizanthe staticoides R. G. Swinney 2010-5-25 12952 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Manzanita Trail 150 meters south of Nature Center 488 Comment
  SBBG62358  Chorizanthe xanti var. xanti R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  CDA7840  Chrysanthemum coronarium Michael O Brien 2008-4-13 s.n. Los Angeles La Piedra State Beach 0 Comment
  UCR52599  Chrysopsis villosa L. F. LaPre 1988-7-2 s.n. Los Angeles Western Mojave Desert, Del Sur Ranch, 6 mi. west of Lancaster, near intersection Ave G & 100th Street West 765 Comment
  SEINET11838025  Chrysothamnus M. T. Doutt 1931-1 642 Los Angeles Sierra Madre Mts., trail from Mt. Lowe to Mt. Wilson 1615 Comment
  UCR164533  Chrysothamnus nauseosus T. B. Salvato, Sandra Murcia 2005-11-1 1248 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  CAS-BOT-BC162778  Chylismia claviformis subsp. claviformis Ira L. Wiggins 1966-4-24 20650 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles east of Palmdale, Mojave Desert Comment
  RSA651104  Cirsium occidentale A. E. Hersh 1950-6-30 s.n. Los Angeles Campus UCLA, Faculty Hill, Los Angeles 60 Comment
  UCSB43777  Cirsium occidentale var. occidentale Nakashima, L. 1982-4-17 Los Angeles On Benton Mine Road, 0.9 miles south of its junction with Mount Ada Road on Santa Catalina Island 198 Comment
  RSA710731  Cirsium vulgare Valerie L. Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1351 Los Angeles Mesa Lila Rd, southeast side of Henderson Canyon. 427 Comment
  JEPS30352  Cirsium vulgare Peter H. Raven 1962-7-14 18046 Los Angeles Botanic Garden, Claremont Claremont, Botanic Garden 320 Comment
  RSA505268  Cistanthe monosperma S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 361 Los Angeles Mountain High Ski Resort. W of Wrightwood; N slopes of San Gabriel Mts. 2018 Comment
  POM196709  Clarkia bottae Bonnie C. Templeton, I. W. Clokey 1929-5-20 4534 Los Angeles Mandeville Canyon, Santa Monica Mountains. 244 Comment
  RSA448243  Clarkia bottae I. W. Clokey 1929-05 4534 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA453472  Clarkia bottae Bonnie C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 250 Comment
  RSA702091  Clarkia cylindrica Scott D. White, Pam DeVries 2004-5-18 10422 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC172248  Clarkia cylindrica subsp. cylindrica Peter H. Raven; H. L. Wedberg 1957-6-15 10917 Los Angeles Road 3 miles west of Seminole Hot Springs, Santa Monica Mts. Comment
  POM3126  Clarkia deflexa J. Tucker 1902-04 s.n. Los Angeles Collected near Pasadena Comment
  CAS-BOT-BC172095  Clarkia dudleyana Cecil Hart 1927-5-1 s.n. Los Angeles San Dimas Canyon Comment
  RSA177816  Clarkia epilobioides Robert F. Thorne 1965-5-10 34500 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  UCD104510  Clarkia epilobioides Daryl Koutnik 1978-5-2 452 Los Angeles Bell Canyon in the Simi Hills. 426 Comment
  RSA772202  Clarkia rhomboidea R. G. Swinney 2009-5-27 10868 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  LA45504  Clarkia unguiculata A. M. Johnson; 1932-5-30 4093 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  UCR127180  Clarkia unguiculata A. C. Sanders 2003-6-20 26999 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  POM9024  Claytonia parviflora subsp. parviflora P. A. Munz, R. D. Harwood 1920-3-13 3359 Los Angeles Ganesha Hills, Pomona 305 Comment
  RSA729104  Claytonia perfoliata R. G. Swinney, D. W. Larson 1999-7-21 7564 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE Browns Flat. 1439 Comment
  UCR126589  Claytonia perfoliata A. C. Sanders 2003-4-17 26073 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
  RSA0119029  Claytonia perfoliata subsp. mexicana A. C. Sanders 2007-4-25 33559 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  SD69498  Claytonia perfoliata subsp. mexicana Robert F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: bottom of canyon Cherry Valley 60 Comment
  RSA187821  Claytonia perfoliata subsp. mexicana R. F. Thorne 1966-4-7 35963 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  SFV1265  Clematis lasiantha M. Terrusa 1959-4-20 s. n. Los Angeles San Fernando Valley Oat Mountain. Comment
  POM296622A  Clematis ligusticifolia Lyman Benson 1948-10-25 13542 Los Angeles Spring one mile above mouth of San Antonio Canyon, Pacific Slope Drainage Area, San Gabriel Mountains. 793 Comment
  UCR270474  Clematis ligusticifolia R. G. Swinney 2011-11-1 15937 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 Los Angeles Lancaster Comment
  CLARK-A1528-2279  Clytostoma callistegioides John C. Roos 1960-4-14 Los Angeles North Hollywood Comment
  UCR192004  Collinsia bartsiifolia A. C. Sanders 2008-4-17 34920 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  RSA408411  Collinsia bartsiifolia var. davidsonii Louis C. Wheeler 1932-4-9 571 Los Angeles 4 mi. W Fairmont, Mohave Desert. 915 Comment
  RSA763229  Collinsia callosa Justin M. Wood 2010-5-10 1565 Los Angeles San Gabriel Mountains. Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  UCR256603  Collinsia childii Anuja Parikh, Nathan Gale 2011-7-5 3536 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 3.9 km west of Shortcut Station, 1.1 km north of State Hwy 2, Angeles Crest Hwy 1665 Comment
  UCR191169  Collinsia heterophylla R. G. Swinney, Dave Larson 1999-7-21 7567 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, from Fern Dam #1 to 3, NE of Browns Flat 1463 Comment
  SBBG120061  Collinsia heterophylla A. C. Sanders, M. Elvin 2003-4-14 25977 Los Angeles Newhall Ranch, ca. 0.4 mi N of Hwy 126, W of Castaic Crk and N of its confluence with the Santa Clara river, ca. 0.6 mi S of Commerce Center Dr along Franklin Parkway, vicinity of large water tank 305 Comment
  UC885545  Collinsia heterophylla I. W. Clokey, E. G. Anderson 1935-5-9 6872 Los Angeles Pomona Hills Comment
  SEINET10317263 Image available Collinsia parryi Wesley O. Griesel 1961-4-18 Los Angeles Switzers Inlet, San Gabriel Mountains 762 Comment
  RSA600854  Comarostaphylis diversifolia Katherine Kneen 1933-8-5 s.n. Los Angeles Santa Monica Mountains: W side Topango [Topanga] Canyon; ca. 3 miles from mouth. 152 Comment
  RSA467087  Comarostaphylis diversifolia subsp. planifolia T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  POM223076  Conium maculatum L. C. Wheeler 1933-7-7 1916 Los Angeles Lexington Wash near El Monte. 73 Comment
  SFV2825  Convolvulus arvensis P. M. Kennamer 1958-8-7 9 Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  UCR127394  Conyza bonariensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25529 Los Angeles Santa Clara River Valley, Newhall Ranch, Santa Clara River at dirt road crossing near Del Valle 274 Comment
  POM308949  Conyza bonariensis Kay H. Beach 1943-7-3 659 Los Angeles San Dimas Experimental forest. San Gabriel Mt. Range. Comment
  RSA412299  Cordylanthus rigidus subsp. setiger E. S. Spalding 1923-5-23 s.n. Los Angeles Santa Monica Mountains, Laurel Canyon. Comment
  RSA412288  Cordylanthus rigidus subsp. setiger Robert Gustafson 1983-7-12 2773 Los Angeles along Santa Maria Ranch Road, off Topanga Canyon Road. Comment
  UCD130997  Coreopsis californica Daryl Koutnik; Vickie Dawes 1978-4-6 263 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  CAS-BOT-BC101028  Coreopsis gigantea R. E. Snodgrass 1901-8-1 s.n. Los Angeles Santa Barbara Island Comment
  CAS-BOT-BC105704  Corethrogyne filaginifolia Fordyce Grinnell 1915-9-4 s.n. Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon] Comment
  CAS-BOT-BC105715  Corethrogyne filaginifolia Ernest Braunton 1902-10-1 708 Los Angeles Ballona Comment
  JEPS20104  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11359 Los Angeles 2.5 mi above U.S. 101A (Topanga Canyon); Santa Monica Mountains, Topanga Canyon Comment
  SBBG31135  Corethrogyne filaginifolia R. F. Thorne 1966-9-16 36723 Los Angeles Wrigley Drive above Pebbly Beach 45 Comment
  SEINET13276846 Image available Corethrogyne filaginifolia R. G. Swinney 2011-1 15731 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 (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  UC934020  Corethrogyne filaginifolia H. L. Cogswell 1951-9-1 123 Los Angeles 3/4 mi e Big Dalton Dam (elevation e edge, Plot 1); San Gabriel Mountains, Keril Canyon-Lodi Canyon divide 883 Comment
  POM356120  Corethrogyne filaginifolia var. filaginifolia Anstruther Davidson 1892-09 1996 Los Angeles San Gabriel Mountains, Santa Anita Canyon. Comment
  POM57995  Corethrogyne filaginifolia var. filaginifolia L. R. Abrams 1902-8-27 2981 Los Angeles Edges of sand dunes, Playa del Rey Comment
  RSA397697  Cornus glabrata F. R. Fosberg 1931-7-13 S- 6395 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 50 Comment
  RSA725847  Cornus sericea subsp. sericea R. G. Swinney 1997-6-25 5645 Los Angeles San Gabriel Mtns.: wet of rightwood, Blue Ridge Trail, ca. 1.2 mi SE of Hwy 2 in a small canyon tributry to Sawmill Canyon 2256 Comment
  LA201171  Coronopus didymus Arthur C. Gibson; 2003-5-4 4703 Los Angeles 518 Comment
  RSA483048  Cortaderia selloana Robert Gustafson 1980-9-16 1989 Los Angeles Ballona Wetlands, Area 3. Comment
  UCR186935  Crassula connata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32076 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
  SD75526  Crassula connata M. B. Dunkle 1940-3-18 7411 Los Angeles Channel Islands: Common on slope, west end of Santa Barbara Island. Comment
  NY268578  Crossosoma californicum B. Trask 02 1896 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR139935  Crossosoma californicum L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, 0.3 mile SSE of Isthmus Bench Mark 122 Comment
  LA83308  Croton californicus O. H. Kappler; 1944-6-4 sn Los Angeles San Gabriel Mountains, Tujunga Canyon 457 Comment
  POM87065  Croton californicus Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  UC520023  Croton californicus Joseph Andorfer Ewan 1932-5-19 7546 Los Angeles along base of hills near power house; Playa del Rey Comment
  SEINET12141352  Croton californicus J. F. Bright, Wyman, C. 1931-1 5833 Los Angeles Los Angeles Comment
  CATA1808  Croton setiger Benjamin E. Carter 2012-8-23 6992 Los Angeles Santa Catalina Island: Airport Road, ca. 1/2mi north of Middle Ranch Road 395 Comment
  RSA715305  Crypsis schoenoides Anuja Parikh, Nathan Gale 2005-7-1 2121 Los Angeles Newhall Ranch, upper Potrero Canyon, S of Santa Clara River ca. 2 mi. E of the Ventura Co. line, study area 18. 366 Comment
  RSA0110916  Cryptantha R. G. Swinney 2011-6-7 1508 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
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Feb 19 2020
  UC61500  Cryptantha circumscissa J. Burtt Davy May 9 1896-May 24 1896 2514 Los Angeles Manzana Antelope Valley Comment
  POM368359  Cryptantha clevelandii var. florosa M. B. Dunkle 1929-4-7 2097 Los Angeles White s Landing, Santa Catalina Island. Comment
  RSA622153  Cryptantha dumetorum L. Higgins 1974-4-11 8450 Los Angeles On Hwy 18 at the Los Angeles San Bernardino County Line. Comment
  RSA729203  Cryptantha echinella R. G. Swinney 1998-7-14 6450 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top montane coniferous forest. 2262 Comment
  SD239637  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles San Gabriel Mountains: 2.3 miles north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway (Valyermo 7.5'Q) 1992 Comment
  CATA1030  Cryptantha intermedia Mark L. Hoefs 1995-5-4 1951 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  SD255673  Cryptantha intermedia Dan S. Cooper 2015-3-18 315 6 Los Angeles Los Angeles Basin/Western Transverse Range: Eastern Santa Monica Mountains.Hollywood Hills, at Hollwywood Bowl (Hollywood 7.5'Q) 155 Comment
  POM368303  Cryptantha intermedia Fordyce Grinnell Jr. 1910-04 1931 Los Angeles San Fernando Valley, PacoimaWash Comment
  SDSU5402  Cryptantha intermedia R. M. Beauchamp 1967-6-3 554 Los Angeles San Clemente Island. 427 Comment
  UC78533  Cryptantha intermedia Rev. J. C. Nevin Los Angeles San Fernando Mts. Comment
  POM49191  Cryptantha micrantha L. R. Abrams 1901-4-6 s.n. Los Angeles Big Tujunga Wash Comment
  RSA524630  Cryptantha micrantha var. lepida T. S. Ross, Steve D. Boyd 1990-5-17 2598 Los Angeles Mill Creek Tree Plantation, Tujunga District, Angeles National Forest 1613 Comment
  RSA586476  Cryptantha micrantha var. lepida Orlando Mistretta 1995-6-20 1787 Los Angeles Bare Mountain Canyon. Head of drainge E of Pacifico mtn at end of Forest Rd 3N7E. 2073 Comment
  RSA593759  Cryptantha microstachys Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8552 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  SEINET4073586  Cryptantha muricata R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mountains. Comment
  UCR11520  Cryptantha muricata Harlan Lewis 1940-2-4 1066 Los Angeles Western Transverse Range; Santa Monica Mtns., near Saddle Peak 610 Comment
  UCSB5566  Cryptantha muricata Wedberg, H. 1958-7-3 Los Angeles Crystal L., San Gabriel Mtns. Comment
  RSA0103649  Cryptantha muricata var. muricata R. G. Swinney 2011-6-14 15108 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UCR189268  Cryptantha nevadensis var. rigida R. G. Swinney 1998-5-16 6078 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR220044  Cryptantha nevadensis var. rigida R. G. Swinney 2009-4-24 10454 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA353865  Cryptantha oxygona R. F. Thorne 1973-5-11 43513 b Los Angeles San Gabriel Mts.: Dry ridge N of Shoemaker Canyon between Mile High and Valyermo 1341 Comment
  RSA679879  Cryptantha oxygona LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 841 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SBBG127082  Cryptantha oxygona A. Parikh, N. Gale 2011-6-22 3494 Los Angeles NW of Iron Mtn, 1.9 km E of Angeles Forest Hwy, 0.9 km S of Monte Cristo Crk; San Gabriel Mtns 1405 Comment
  UCR220250  Cryptantha oxygona R. G. Swinney 2009-4-28 10517 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCSB71612  Cryptantha oxygona Gross, LeRoy; Hogshead, Bill; Mistretta, Orlando; Soza, Valerie 2003-5-25 Los Angeles San Gabriel Mtns region: Pacifico Mtn Rd (3N17) ca. 1.3 mi NW along rd from Alder Saddle to Pacifico Mtn and 2 mi SE from Mt. Pacifico Campgnd runoff; Near 34.36949N, 118.02486W; (Chilao Flat 7.5 Quad. T3N R11W S3, SW1/4,SW1/4) UTM Zone 3803407N 0405764E 1799 Comment
  RSA0113908  Cryptantha pterocarya var. pterocarya LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7551 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
  SEINET13387041 Image available Cucurbitaceae R. G. Swinney 2011-1 14068 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wison 7.5' Q.) (T1N R11W S15) 232 Comment
  UCR117113  Cupaniopsis anacardioides A. C. Sanders, D. Malueg 2001-5-17 24349 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
  CAS-BOT-BC224479  Cuscuta californica G. B. Grant 1901-5-18 s.n. Los Angeles Pasadena Comment
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  UCD54444  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 14 Los Angeles Lancaster, 60th St. West and Ave B. Comment
  RSA729542  Cycladenia humilis R. G. Swinney 1998-9-7 6941 Los Angeles San Gabriel Mtns.: Dawson Peak Ridge Trail at far NE tributary of upper Fish Fork San Gabriel River, 1.3 mi. west of Dawson Peak 2524 Comment
  RSA643966  Cycladenia humilis var. venusta V. W. Steinmann 1996-6-17 915 Los Angeles San Gabriel Mountains, ca. 2.5 km (by air) south-southwest of Mt. San Antonio, along Baldy Trail. 2550 Comment
  UC496531  Cycladenia humilis var. venusta T. Craig 1927-6-8 451 Los Angeles trail to summit of Mt. San Antonio (Bear Canyon); Bear Canyon 2743 Comment
  RSA0066071  Cycladenia humilis var. venusta L. C. Wheeler 1970-7-26 s.n. Los Angeles San Gabriel Mountains: Ca. 0.3 mile south of Middle (Mt.?) Hawkins. 2529 Comment
  RSA659159  Cyclospermum leptophyllum Patricia Kouo 1994-4-27 944217 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
  RSA594630  Cylindropuntia echinocarpa Steve Boyd, Lauren Raz 1996-10-14 9064 Los Angeles Liebre Mountains region, Anaverde Valley near the north base of Ritter Ridge, west of Palmdale, along Tierra Subida Road 0.5 miles south of the intersection with Avenue S. 927 Comment
  UCSB4267  Cylindropuntia echinocarpa Newby, Ron 1959-5-15 Los Angeles 9 miles east of Pearblossom on Hwy. 138 Comment
  SFV12471  Cylindropuntia prolifera M. H. Grayum, D. L. Koutnik 1978-3-6 973 Los Angeles Palos Verdes Pensinsula. On steep, coastal bluffs between Point Fermin and White's Point. Comment
  UCR130505  Cynodon dactylon R. E. Riefner Jr. 2003-9-13 03- 343 Los Angeles South Coast, city of Long Beach, vicinity of Veterans Stadium, Lew Davis St. near intersection with Clark Ave. 21 Comment
  UC60774  Cynosurus cristatus Dr. A. Davidson Los Angeles Los Angeles Comment
  SEINET7581555 Image available Cyperus difformis Louis C. Wheeler 1946-9-8 6361 Los Angeles San Gabriel Mountains, San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  CAS-BOT-BC114637  Cyperus eragrostis J. Ewan 1931-7-31 4778 Los Angeles Along road ditch Telegraph Road near Santa Fe Crossing. Comment
  RSA365086  Cyperus esculentus Louis Greata 1900-08 s.n. Los Angeles Cienega, Los Angeles. Comment
  RSA0012096  Cyperus involucratus Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11687 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  POM1344  Cyperus niger var. capitatus I. M. Johnston 1916-11-21 s.n. Los Angeles Claremont. Comment
  CAS-BOT-BC113958  Cyperus odoratus Fordyce Grinnell 1917-9-9 s.n. Los Angeles Near Los Angeles, Los Angeles river bottom. Comment
  UC57101  Cyperus odoratus Ernest Braunton July 1902 578 Los Angeles L.A. River Comment
  POM182353  Cystopteris fragilis F. G. Floyd 1930-6-21 s.n. Los Angeles Big Santa Anita Canyon near Fern Lodge. San Gabriel Mts. Angeles Nat. Forest. Comment
  RSA301979  Cystopteris fragilis J. R. Shevock 1971-3-28 824 Los Angeles Mapleleaf Cyn, San Gabriel Mtns. 487 Comment
  SFV21429  Cytisus striatus L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1073 Los Angeles Verdugo Mountains North side of Verdugo Mountains. North of Hostetter Motorway (in Thomas Guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  IRVC28767  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  RSA657297  Datura wrightii Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -8 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  RSA652001  Datura wrightii James B. Armstrong 1949-11-21 s.n. Los Angeles 4 mi east of the junction of Badillo Ave and Kendall Way, Covina. 183 Comment
  RSA80387  Daucus carota F. W. Peirson 1920-6-22 2188 Los Angeles Roadside near Chino Creek, southeastern Los Angeles 152 Comment
  CATA966  Daucus pusillus Mark L. Hoefs 1994-5-21 1834 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA151156  Daucus pusillus P. H. Raven 1962-5-22 17824 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  RSA654342  Daucus pusillus Valerie L. Soza, Laura Moore 2000-5-30 969 Los Angeles Liebre Mountains: San Francisquito Canyon, at Los Angeles Dept of Water and Power San Francisquito Power Plant No. 2 and USFS Fire Station, W of San Francisquito Canyon Road. 487 Comment
  SD9037  Deinandra fasciculata J. C. Nevin Unknown Los Angeles San Clemente Island Comment
  LA201820  Deinandra minthornii Arthur C. Gibson; 2003-6-20 4944 Los Angeles 350 Comment
  UC1560994  Deinandra minthornii Dean Wm. Taylor with Glenn Clifton, Roy Buck 1989-11-9 10589 Los Angeles on old Santa Susana Pass Road (along dirt road leading e from summit of pass); Transverse Ranges, Santa Susana Quad., Santa Susana Pass 457 Comment
  SFV21035  Delairea odorata L. Gross 2001-12-9 459 Los Angeles San Gabriel Mountains Big Santa Anita Canyon. About 0.25 miles down from tributary of Winter Creek, east of Chantry Flat. 518 Comment
  UCR117127  Delosperma litorale A. C. Sanders, D. Malueg 2001-5-17 24338 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SBBG71763  Delphinium parishii subsp. parishii R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  RSA68781  Delphinium parishii subsp. parishii F. W. Peirson 1917-5-13 640 Los Angeles Near Big Rock Creek, Mojave Desert; San Gabriel Mountains. Comment
  RSA660794  Delphinium parryi LeRoy Gross, Valerie Soza 2001-6-6 437 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 488 Comment
  UCR190429  Delphinium parryi R. G. Swinney 2000-5-19 7683 Los Angeles San Gabriel Mtns., San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden Hills Rd. and 400 m west of stream 512 Comment
  POM155  Delphinium parryi Harry Lowe 1903-5-13 s.n. Los Angeles Collected near Pasadena Comment
  RSA188303  Delphinium parryi Robert F. Thorne, M. Z. Thorne 1966-6-2 36531 Los Angeles Santa Catalina Island: Hay Press area 427 Comment
  CAS-BOT-BC121379  Delphinium parryi subsp. maritimum H. E. Hasse 1890-3-1 s.n. Los Angeles near Santa Monica Comment
  LA200789  Delphinium parryi subsp. parryi Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA595368  Delphinium parryi subsp. parryi Louis C. Wheeler 1967-5-8 9361 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  POM149  Delphinium patens subsp. hepaticoideum I. M. Johnston 1917-5-6 1924 Los Angeles Evey Canyon, north of Claremont 762 Comment
  SBBG15507  Delphinium patens subsp. hepaticoideum W. G. Webb 1935-4-17 Los Angeles Arroyo Seco Comment
  RSA128284  Dendromecon rigida subsp. rhamnoides H. J. Thompson 1959-3-27 1897 Los Angeles North slope 0.5 miles NE of Saddle Peak. 610 Comment
  RSA199175  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Propst 1968-5-29 37695 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  RSA65829  Descurainia incana subsp. viscosa F. W. Peirson 1921-6-19 2467 Los Angeles Crystal Lake, North Fork San Gabriel River 1676 Comment
  CATA2985  Descurainia pinnata Peter J. Dixon 2015-2-25 017 Los Angeles Santa Catalina Island: Wild Boar Gully, near ridge, 350m SW of Wild Boar Gully Rd. 247 Comment
  UC10800  Descurainia pinnata subsp. menziesii W. H. Brewer 1861-2-19 205 Los Angeles San Fernando Plain Comment
  UC604832  Descurainia sophia Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9478 Los Angeles 5 mi w Lancaster (on Antelope Valley Road) Comment
  RSA599520  Dichelostemma capitatum Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9473 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
  UCR255842  Dichelostemma capitatum R. G. Swinney 2010-3-10 11828 Los Angeles San Gabriel Mountains, Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 488 Comment
  UCR276791  Dichelostemma capitatum R. G. Swinney 2011-3-29 14258 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  CAS-BOT-BC499448  Dichelostemma capitatum Reid Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Rancht, San Clemente Island, 500 Comment
  RSA347519  Dichelostemma capitatum subsp. capitatum B. A. Prigge 1986-3-19 6930 Los Angeles Santa Monica Mts: 0.3 mile west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA612069  Dichelostemma capitatum subsp. capitatum Valerie L. Soza 1998-4-26 80 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 411 Comment
  POM356425  Dicoria canescens Anstruther Davidson 1893-04 s.n. Los Angeles Elyman Park? Comment
  CLARK-A1528-4586  Digitaria ischaemum John C. Roos 1949-10-19 4692 Los Angeles San Gabriel 121 Comment
  CAS-BOT-BC150653  Diplacus longiflorus Joseph Andorfer Ewan 1932-5-30 7226 Los Angeles North Fork Tujunga Creek 914 Comment
  CHSC95485  Diplacus longiflorus LeRoy Gross 2001-5-28 417 Los Angeles Los Angeles Basin region: Verdugo Mountains, northeast side; Start from dead end street Mesa Lila Road, in city of Verdugo City. A small side canyon on the south side near the mouth of Henderson Canyon. 476 Comment
  RSA0034994  Diplacus longiflorus Terri Lords 1977-3-19 16 Los Angeles Bottom of Bell Canyon, Santa Monica Mts. 457 Comment
  CAS-BOT-BC150631  Diplacus rutilus Carl B. Wolf 1936-4-24 7773 Los Angeles Base of Santa Susana Pass 365 Comment
  SBBG53220  Distichlis littoralis S. A. Junak 1978-4-16 SCa 54 Los Angeles E side of Catalina Harbor near isthmus Comment
  UC402542  Dithyrea californica George B. Grant 1904-5-14 266 a Los Angeles Playa del Rey Comment
  UCR141026  Draba corrugata June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  SD60371  Draba verna Peter H. Raven 1962-3-27 16993 Los Angeles Palos Verdes Hills along Palos Verdes Drive, 1.4 miles east of Portuguese Bend. Comment
  UCSB23143  Drymocallis cuneifolia var. ewanii Wilken, Dieter 1967-6-1 Los Angeles Lily Springs north of Mt. Hawkins, along State Highway 2, San Gabriel Mtns. 2407 Comment
  UC1551975  Drymocallis glandulosa var. glandulosa Lyman Benson 1945-6-5 11753 Los Angeles on the Glendora Ridge Road 2 1/2 mi sw Camp Baldy (Cold Springs); San Gabriel Mountains, Cold Springs 1371 Comment
  RSA789057  Drymocallis glandulosa var. reflexa Jane Tirrell, Graham Bothwell 2012-7-11 LS 0112 Los Angeles South side California State Route 2 near mile marker 67.7 2309 Comment
  SBBG31025  Dryopteris arguta R. F. Thorne with P. C. Everett 1965-5-12 Los Angeles Bullrush Cyn 243 Comment
  SD82014  Dryopteris arguta Louis C. Wheeler 1931-7-28 Los Angeles San Antonio Mountains, Coble's Canyon 580 Comment
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Jan 2 2014
  SFV109  Dryopteris arguta K. A. Wilson 1961-2-18 858 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  UC557634  Dryopteris arguta Nell Murbarger May, 1936 210 Los Angeles San Clemente Isl. Comment
  UCR146526  Dryopteris arguta Scott D. White 2004-7-28 10652 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  POM120346  Dryopteris arguta George B. Grant 1903-02 s.n. Los Angeles Covina, Cal. Comment
  UC2060000  Dudleya cymosa K. Nakai 1981-6-24 775 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  UCR147724  Dudleya cymosa subsp. pumila Steve Boyd, Amber Maurice 2004-5-18 11324 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA83395  Dudleya densiflora F. W. Peirson 1919-7-1 517 Los Angeles Fish Canyon 274 Comment
  RSA5783  Dudleya lanceolata B. D. Stark 1932-10-23 1622 Los Angeles East slope, Lobo Canyon, Santa Monica Mtns. 274 Comment
  RSA609384  Dudleya lanceolata L. C. Wheeler 1932-6-12 824 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  SFV10194  Dudleya lanceolata J. G. Cuti 1978-6-20 66 Los Angeles About 0.5 miles off Santa Susana Pass Road on Box Canyon Road. Comment
  UC1127122  Dudleya lanceolata Jerome S. Horton 1937-5-19 446 Los Angeles San Dimas Canyon Trail to flumes 4 and 5 Pomona Quadrangle 579 Comment
  UC1713542  Dudleya multicaulis Theodore W. Minthorn 1910-5-19 7 Los Angeles foothills near Colegrove Comment
  RSA0077731  Dudleya semiteres E. K. Balls 1949-6-12 14347 Los Angeles Grown Rancho Santa Ana Botanic Garden. Comment
  RSA506752  Dudleya virens subsp. insularis Reid V. Moran 1972-5-27 19143 Los Angeles to 50m seal bluffs just east of Pt. Vicente 5 Comment
  SFV22151  Dysphania botrys J. N. Hogue 2012-8-4 424 .1 Los Angeles San Gabriel Mountains Camp Eaton (= old Camp Cumorah Crest). 1860 Comment
  UCSB69526  Echinochloa crus-galli Gross, LeRoy 2000-8-8 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds; along edge of river 324 Comment
  RSA131697  Echinodorus berteroi G. R. Campbell 1946-10-16 2 Los Angeles on lake below Devil's Gate Dam 304 Comment
  SFV12544  Eclipta prostrata M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 857 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  UCR180186  Ehrharta calycina R. G. Swinney 1969-7-17 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, 'Water Pipe Canyon' [=Pavil Cyn] a tributary of Big Dalton Canyon 610 Comment
  UCR207703  Ehrharta calycina Justin M. Wood 2009-4-10 473 Los Angeles San Gabriel Mountains, foothills, city of San Dimas, San Dimas Wash just above the Puddingstone Diversion Dam and adjacent to the golf course 366 Comment
  RSA0068436  Ehrharta erecta R. G. Swinney 2010-8-16 13547 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  CATA1274  Eleocharis macrostachya Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2360 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  RSA750834  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles Glendora, Morgan Canyon Debris basin 335 Comment
  SEINET3129026  Elymus condensatus Unknown 3662 Los Angeles Lancaster Comment
  CDA32467  Elymus condensatus Phillipson 1915-5-2 Los Angeles Monrovia Comment
  UCR271157  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-14 15128 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR98829  Elymus elymoides subsp. elymoides T. S. Ross, Steve Boyd 1995-6-29 8661 Los Angeles Near W summit of Liebre Mtn 1707 Comment
  RSA733579  Elymus glaucus R. G. Swinney 1998-7-29 6552 Los Angeles San Gabriel Mtns.: c. 100 m downstream from upper Fish Fork Campground 1817 Comment
  LA105046  Elymus glaucus subsp. glaucus Barry A. Prigge; 1988-7-3 8180 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA647807  Elymus glaucus subsp. glaucus LeRoy Gross, Laura Moore 2000-6-5 231 Los Angeles Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land 488 Comment
  RSA611060  Elymus glaucus subsp. jepsonii L. C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon, north side of ridge north of Cascade Canyon. 1189 Comment
  RSA0080726  Elymus glaucus var. glaucus R. G. Swinney 2010-9-9 13756 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR258592  Elymus glaucus var. glaucus R. G. Swinney 2010-8-26 13595 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
  UCR138532  Elymus hispidus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, divide between Oak Spring Canyon and Cottonwood Canyon, off Little Tujunga Canyon 823 Comment
  RSA0084495  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA401542  Emmenanthe penduliflora C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  UCR270245  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-7-7 15441 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
  UCR280535  Encelia actoni R. G. Swinney 2014-4-10 16027 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
  UCR260618  Encelia californica R. G. Swinney 2010-4-23 12375 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  RSA0053894  Encelia farinosa R. G. Swinney 2010-2-27 11770 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
  UC1870220  Encelia farinosa LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 723 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. On ridge east of the Brand canyon Cemetery west of the land fill. The lower part of Brand 307 Comment
  CAS-BOT-BC81964  Ephedra viridis Tim Ross; Steve Boyd 1990-5-29 2705 Los Angeles San Gabriel Mtns: Big Rock Creek. Vicinity of an old, destroyed homestead on the W side of the riparian strip, just 1240 Comment
  RSA725122  Ephedra viridis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -110 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA230369  Epilobium angustifolium subsp. circumvagum Robert F. Thorne, M. Z. Thorne 1969-7-10 38349 Los Angeles San Gabriel Mountains, Angeles National Forest: E. Blue Ridge, Holiday Hill, 2460 Comment
  CAS-BOT-BC166199  Epilobium canum subsp. canum Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  CAS-BOT-BC166216  Epilobium canum subsp. canum June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Islands - Summit Comment
  CAS-BOT-BC166270  Epilobium canum subsp. canum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro [Canon] Canyon, near Pasadena, San Gabriel Mts. Comment
  POM145745  Epilobium canum subsp. canum Thomas Craig 1927-6-19 496 Los Angeles 10 miles west of Ravenna. Comment
  RSA588405  Epilobium canum subsp. canum Ora M. Clark 1928-10-21 1216 Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  POM11417  Epilobium canum subsp. latifolium I. M. Johnston 1917-7-26 1586 Los Angeles San Antonio Canyon. 2287 Comment
  RSA0115963  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-21 13867 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UC1587665  Epilobium canum subsp. latifolium Tim Ross 1991-8-14 5787 Los Angeles Pacifico Mtn Rd 0.30 mi e Lower Pacifico Campground Rd.; San Gabriel Mtns., Pacifico Mtn. USGS 7.5' quad 1933 Comment
  RSA448502  Epilobium canum subsp. mexicanum F. H. Elmore 1939-11-24 s.n. Los Angeles Wilson Cove, San Clemente Island. Comment
  UCR261788  Epilobium ciliatum R. G. Swinney 2010-9-13 13834 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  SD69545  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, P. Everett 1965-6-24 35040 Los Angeles Santa Catalina Island: along stream bed just below dam in lower Cottonwood Canyon 38 Comment
  RSA732925  Epilobium ciliatum subsp. glandulosum 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
  RSA230191  Equisetum arvense R. F. Thorne 1969-7-2 38249 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1584 Comment
  IRVC28718  Equisetum hyemale A. C. Sanders, Mark A. Elvin 2002-8-26 25583 Los Angeles 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" Northeastern Santa Susana Mtns./Santa Clara River Watershed 305 Comment
  RSA656849  Equisetum hyemale var. affine Valerie L. Soza, Laura Moore 2000-6-14 1016 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  RSA639605  Equisetum hyemale var. affine L. C. Wheeler 1932-7-2 890 Los Angeles San Dimas Canyon, San Gabriel Mts. 457 Comment
  CAS-BOT-BC57316  Equisetum laevigatum Ernest Braunton 1902-5-1 s.n. Los Angeles Rivera Comment
  RSA128227  Equisetum laevigatum P. H. Raven 1959-10-25 14701 Los Angeles Santa Monica Mountains: Arroyo Sequit 1.6 miles north of Coast Highway 137 Comment
  SEINET3866289  Equisetum laevigatum Louis C. Wheeler 1967-5-24 9733 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth.; 0 678 Comment
  UCD135516  Equisetum laevigatum Louis C. Wheeler 1932-7-2 890 Los Angeles San Dimas Canyon, San Gabriel Mts. 457 Comment
  SEINET4178262 Image available Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 Miles North Claremont 411 Comment
  UCD62929  Eragrostis lehmanniana A. C. Sanders 2003-5-26 25861 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of San Gabriel River channel. 158 Comment
  SBBG71519  Eremalche exilis R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  UC440456  Eremalche exilis Carl Epling, Lincoln Ellison, and Harvey Anderson 1930-4-17 8 Los Angeles Lancaster Mohave Desert, Lancaster Comment
  LA34231  Eremocarpus setiger Peter H. Raven; Henry J. Thompson 1959-6-4 14333 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA188147  Eremocarpus setiger R. F. Thorne, P. C. Everett 1965-6-23 34945 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA127803  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-9-18 14427 Los Angeles Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA33889  Eremocarpus setiger Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA600751  Eremocarpus setiger L. C. Wheeler 1967-6-15 9834 Los Angeles San Gabriel Mountains: North slope foothills between Bouquet Junction and Bonelli Ranch. 366 Comment
  CAS-BOT-BC162888  Eremothera boothii subsp. desertorum E. R. Blakley 1957-5-21 B 2172 Los Angeles One mile west of Littlerock on Calif. Hwy 138 877 Comment
  UCR282002  Eremothera refracta R. G. Swinney 2014-5-1 16319 B Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, east end of Holcomb Ridge, 2.2 road miles east of jct. of Bob's Gap Rd. and Panorama Rd., from base of ridge at Panorama Rd. to high point at 4519 ft. 1378 Comment
  RSA0104348  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  UC1787273  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-27 113 Los Angeles San Gabriel Mountains: Lower Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400 m north of western end of Wentworth St. in city of Sunland 377 Comment
  CAS-BOT-BC514415  Eriastrum densifolium subsp. mohavense Elizabeth F. Sprague 1968-7-6 s.n. Los Angeles Roadside at Vincent, jct of Hwy 14 and N3, S of Palmdale Comment
  RSA0120738  Eriastrum pluriflorum subsp. sherman-hoytiae A. C. Sanders, E. J. Lott 1993-5-6 13984 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, just W of Piute Ponds and E of Sierra Hwy, at edge of Edwards AFB. 701 Comment
  UC167107  Eriastrum sapphirinum Geo. B. Grant 1901-1 Los Angeles Santa Monica Range Comment
  UC52785  Eriastrum sapphirinum Geo. B. Grant May 1901 3883 Los Angeles Pasadena Comment
  UC75274  Eriastrum sapphirinum C. F. Baker 1903-7-20 3345 Los Angeles Claremont Comment
  RSA0122936  Eriastrum sapphirinum Orlando Mistretta, Mark Elvin 1995-5-10 1702 C Los Angeles San Gabriel Mountains: Bare Mountain Canyon, West Fork. 1402 Comment
  RSA0123054  Eriastrum sapphirinum subsp. brevibracteatum P. A. Munz 1923-9-1 7724 Los Angeles Swartout Valley, San Antonio Mtns. 1829 Comment
  CAS-BOT-BC514966  Eriastrum sapphirinum subsp. dasyanthum John Thomas Howell 1928-6-10 3879 Los Angeles San Gabriel Mts: Monrovia Canyon, near Deer Park Comment
  RSA0122873  Eriastrum sapphirinum subsp. dasyanthum Joseph A. Ewan 1929-5-25 3480 Los Angeles Above Providencio Rancho, Santa Monica Mountains. Comment
  SBBG58322  Eriastrum sparsiflorum R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  SEINET12278745  Eriastrum virgatum J. F. Bright, Wyman, C. 1931-1 5484 A Los Angeles near Pasadens Comment
  CAS-BOT-BC287628  Ericameria linearifolia Ernest C. Twisselmann 1964-6-10 9618 Los Angeles San Emigdio Range and the Mt Pinos Region. Fork at the head of Castaic Valley 1310 Comment
  RSA0085503  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles Lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  POM359434  Ericameria palmeri var. pachylepis Geo. L. Moxley 1916-10-8 518 Los Angeles Van Nuys. Comment
  RSA735586  Ericameria parishii K. Palenscar 2007-08 s.n. Los Angeles Peninsular Ranges, Chino Puente Hills region, in the City of Walnut, near the San Jose Hills, just N of the intersection of Breas River road, and Amar road. 262 Comment
  CAS-BOT-BC293143  Ericameria pinifolia Ernest C. Twisselmann 1961-10-31 6677 Los Angeles Liebre Mountains: Munz Lake 929 Comment
  RSA59887  Ericameria pinifolia Verne Grant, Alva Grant 1950-11-5 9018 Los Angeles In dry wash at base of hills in coastal sage scrub, north of Claremont. Comment
  SBBG62805  Ericameria pinifolia R. Hoffmann 1931-10-1 Los Angeles Mint Cyn, near Oak's Garage Comment
  SFV17943  Ericameria pinifolia J. N. Hogue, J. D. Dilley 1998-8-7 124 .3 Los Angeles San Gabriel Mountains Cedar Creek. South of Crystal Lake along Highway 39. 1580 Comment
  UCR95537  Ericameria pinifolia L. C. Wheeler 1967-5-2 9256 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA756952  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2008-4-17 2477 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  SD5427  Erigeron breweri Ruth Randall Jul 1931 Los Angeles Big Pines Comment
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Jul 5 2010
  RSA0022952  Erigeron breweri var. covillei Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5131 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SD197678  Erigeron foliosus R. G. Swinney 2005-8-11 8441 Los Angeles San Gabriel Mountains: Big Rock Creek at Paradise Springs. 1438 Comment
  RSA703183  Erigeron foliosus var. foliosus Scott D. White 2004-8-11 10696 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  SEINET191885  Erigeron foliosus var. foliosus C. B. Wolf 1931-5-13 1999 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando. 366 Comment
  CAS-BOT-BC296181  Erigeron foliosus var. foliosus George L. Moxley 1920-8-28 827 Los Angeles Garapito Canyon, Santa Monica Mts. Comment
  POM357457  Erigeron foliosus var. foliosus Samuel R. Tyson 1943-7-7 s.n. Los Angeles Below Johnstone Peak, San Gabriel Mountains. 488 Comment
  SFV3882  Erigeron foliosus var. foliosus R. L. Armacost 1959-6-3 1171 Los Angeles Santa Monica Mountains Mulholland Drive. Comment
  SEINET3146649  Erigeron pumilus var. intermedius M. E. Jones 1897-6-18 sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] 1524 Comment
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Dec 18 2015
  RSA0030903  Eriodictyon crassifolium Louis E. Hoffman 1930-5-8 s.n. Los Angeles Sunland. Comment
  CAS-BOT-BC189114  Eriodictyon crassifolium var. crassifolium LeRoy Abrams 1902-7-1 2627 Los Angeles Little Santa Anita Canon [Canyon] Comment
  RSA454985  Eriodictyon crassifolium var. nigrescens F. R. Fosberg 1931-7-11 7204 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  CAS-BOT-BC188942  Eriodictyon parryi Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Trail, San Gabriel Mountains Comment
  CAS-BOT-BC188083  Eriodictyon traskiae C. B. Wolf 1932-10-5 4229 Los Angeles Shoulder of Black Jack Peak, E of Black Jack Mine, Santa Catalina Island 457 Comment
  RSA177776  Eriodictyon traskiae Robert F. Thorne, P. C. Everett 1965-5-10 34470 Los Angeles Santa Catalina Island. Upper end of White's Landing Road, N slope of Blackjack Mt. 412 Comment
  RSA455105  Eriodictyon traskiae F. R. Fosberg 1931-5-19 4921 Los Angeles Whites landing, Santa Catalina Island. 5 Comment
  SD65478  Eriodictyon trichocalyx Reid Moran 1967-7-22 14092 Los Angeles San Gabriel Mountains: Canyon south of Chilao. 1550 Comment
  UCR271077  Eriodictyon trichocalyx subsp. trichocalyx R. G. Swinney 2011-6-14 15127 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UC1746004  Eriodictyon trichocalyx var. trichocalyx Annetta M. Carter, Arthur Carter 1935-9-13 985 Los Angeles Open ridge 1.5 mi. E of Horse Flats. San Gabriel Mtns. Comment
  UCR223242  Eriogonum R. G. Swinney 2009-7-23 11373 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0119008  Eriogonum angulosum T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2082 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley: outwash plane below Bronco Canyon, c 4 mi N of Hwy 138. 915 Comment
  RSA393071  Eriogonum angulosum Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  UCR127629  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters 366 Comment
  UCSC011209  Eriogonum baileyi Adam Searcy 2015-7-24 69 Los Angeles Santa Clarita, Vista Canyon Ranch, Santa Clara River Comment
  RSA393151  Eriogonum cinereum E. A. Purer 1932-8-31 s.n. Los Angeles Palos Verdes Hills. Comment
  UC77607  Eriogonum cinereum S. B. and W. F. Parish October, 1882 1604 Los Angeles bluffs along seacoast; Santa Monica Comment
  SD212686  Eriogonum cithariforme Anuja Parikh, Nathan Gale 2005-7-5 2123 Los Angeles Santa Susana Mountains: Newhall Ranch, slopes South of upper Potrero Canyon, South of Santa Clara River circa 2 miles East of the Ventura County line, study area 19 366 Comment
  SBBG118734  Eriogonum cithariforme var. agninum L. Gross with P. Morton 2004-6-10 1366 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1432 Comment
  UCR197782  Eriogonum cithariforme var. agninum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 51 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA229194  Eriogonum davidsonii Robert F. Thorne, C. W. Tilforth 1971-6-29 40725 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SBBG125525  Eriogonum davidsonii A. Parikh, N. Gale 2010-6-15 3290 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  SBBG126946  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-14 3467 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km S of Aliso Cyn Rd; San Gabriel Mtns 1205 Comment
  SEINET3087682 Image available Eriogonum davidsonii Steve Myers 1988-9-30 s.n. Los Angeles Palmdale area, N of Elizabeth Lake Rd. near the intersection with25th St. West Joshua tree woodland. Comment
  UCR222808  Eriogonum davidsonii R. G. Swinney 2009-5-13 10764 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR239041  Eriogonum deflexum var. baratum Anuja Parikh, Nathan Gale 2010-6-2 3246 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 4.0 km west of State Hwy 14, 2.2 km southwest of California Aqueduct 1143 Comment
  RSA393486  Eriogonum elongatum H. L. Bauer 1932-11-1 s.n. Los Angeles Topango Canon. Comment
  UCR143470  Eriogonum elongatum var. elongatum C. B. Wolf 1932-10-19 4352 Los Angeles Western Transverse Range, South base of Ridge Route Road, 1.5 miles north of Castaic, '1800 ft alt 488 Comment
  RSA629051  Eriogonum elongatum var. elongatum Valerie L. Soza, Laura Moore 1999-6-30 603 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  CHSC14141  Eriogonum fasciculatum L. M. Mayer 1974-4-5 123 Los Angeles On Big Tujunga Canyon Rd. ca. 1/2 mi e from junction with Mt. Gleason Ave. Comment
  RSA0036770  Eriogonum fasciculatum Douglas A. Springer 1981-2-18 18 Los Angeles Cal Poly University campus, 1.5 miles NW of Temple Ave. on University Drive, Parking lot J, level 4, NE end. Comment
  SBBG62051  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1931-4-28 Los Angeles Bouquet Cyn Comment
  UCD100012  Eriogonum fasciculatum var. foliolosum Kenneth A. Wilson 1961-2-8 843 Los Angeles Santa Susana Mtns. On Rt. 99, about 1 mile south of Rt. 6 intersection. Comment
  CAS-BOT-BC250119  Eriogonum fasciculatum var. polifolium Roxana S. Ferris 1918-6-10 943 Los Angeles 5 miles south of Lancaster on highway Comment
  SBBG62063  Eriogonum fasciculatum var. polifolium R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SEINET4087025  Eriogonum fasciculatum var. polifolium F. Runyan 1971-1 sn Los Angeles Near Davenport Road, Agua Dulce. Comment
  UCR200007  Eriogonum fasciculatum var. polifolium Valerie Soza, Mariam Sidibeh 2003-3-26 1619 A Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  RSA194018  Eriogonum giganteum var. formosum R. M. Beauchamp 1967-3-17 256 Los Angeles East of Date 2, San Clemente Island. Comment
  RSA253141  Eriogonum giganteum var. giganteum Gary D. Wallace 1975-3-23 1418 Los Angeles Santa Catalina Island in Avalon by Wrigley Road Terrace Comment
  CAS-BOT-BC253466  Eriogonum gracile Timothy S. Ross 1991-11-15 s.n. Los Angeles Slope on the NW side of Indian Hill Mesa (i.e., The Back 40), RSABG grounds, Claremont 417 Comment
  SBBG62114  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles 5 mi S of Sandberg's Comment
  RSA617169  Eriogonum gracile var. gracile LeRoy Gross 1998-9-18 62 Los Angeles Southern base of San Gabriel Mountains; Big Tujunga Wash east of the 210 freeway 366 Comment
  UCR143443  Eriogonum gracile var. gracile B. C. Templeton 1939-9-6 s.n. Los Angeles Playa del Rey [El Segundo Dunes] 40 Comment
  RSA393237  Eriogonum gracile var. gracile Anstruther Davidson 1899-6-25 s.n. Los Angeles Santa Monica Range, near Sherman. Comment
  CATA2523  Eriogonum grande var. grande Steven A. Junak 1997-10-20 969 Los Angeles San Clemente Island: E side of island, at mouth of southernmost canyon of Bryce Canyon complex 3 Comment
  RSA297343  Eriogonum grande var. grande Larry E. DeBuhr 1977-4-17 2585 Los Angeles Catalina Island. NW of Little Harbour 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
  UC1584053  Eriogonum nudum var. pauciflorum Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4054 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy.; Tujunga Ranger District); San Gabriel Mountains, Angeles National Forest 1633 Comment
  CAS-BOT-BC269768  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 928 Los Angeles 1.9 mi W of State highway 2 on Big Pines Highway; San Gabriel Mtns 1645 Comment
  RSA719113  Eriogonum parishii R. G. Swinney 1997-8-6 5761 Los Angeles Table Mountain area, ridge immediately east of Jesus Canyon, at north end of road 4N57, NW of Wrightwood. 1890 Comment
  RSA649665  Eriogonum parishii Rashmi Pant, Nitin Bhatt 1997-5-25 1046 Los Angeles along the Angeles Crest Hwy (Hwy 2) at milepost 59.0. 1.2 miles west of Kraftka Ridge Ski Resort and 5.2 miles west of the junction of California Hwy 39. 1982 Comment
  LA201187  Eriogonum parvifolium Norman A. Cole; May 1964 346 Los Angeles 3 Comment
  LA201978  Eriogonum parvifolium M. McGraw; 2003-1-14 14 Los Angeles Santa Monica Mountains, Point Dume 15.0 Comment
  RSA424838  Eriogonum pusillum Anstruther Davidson, H. E. Hasse 1906-6-1 1617 Los Angeles Big Rock Creek, Lowell Mine. Comment
  CAS-BOT-BC252970  Eriogonum reniforme H. L. Mason 1926-4-26 3012 Los Angeles Near Rock Creek, Mohave Desert Comment
  RSA424907A  Eriogonum saxatile L. E. Hoffman 1932-10-2 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baldy. Comment
  UCR209459  Eriogonum umbellatum R. G. Swinney 2008-10-10 9570 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  SD1299  Eriogonum umbellatum var. munzii Ruth B. Randall 7/1931 106 Los Angeles Big Pines near Los Angeles Comment
  UCR204031  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-9-15 8155 Los Angeles San Gabriel Mountains, Mt Islip 2515 Comment
  UC2026436  Eriogonum wrightii var. trachygonum Steve Boyd, L. Raz 1997-6-18 9985 Los Angeles LIEBRE MOUNTAINS REGION: North base of Portal Ridge along the Broad Canyon Motorway, east of the mouth of Broad Canyon, edge of the Antelope Valley. Comment
  POM324253  Eriophyllum confertiflorum Patricia Nelson 1969-5-20 s.n. Los Angeles Wash at Claremont Colleges. 351 Comment
  RSA683183  Eriophyllum confertiflorum LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1104 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR119054  Eriophyllum confertiflorum Jeremiah George 2001-5-30 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, mouth of Agua Amarga Canyon 15 Comment
  SEINET10673353  Eriophyllum confertiflorum Donald R. Bissing 1973-5-4 Bissing 52 Los Angeles Evey Canyon, San Gabriel Mountains. On bank above road cut 0.3 mile from mouth of canyon. 719 Comment
  RSA51215  Eriophyllum confertiflorum var. confertiflorum J. T. Howell 1947-7-18 23401 Los Angeles Blue Ridge 2438 Comment
  SBBG8158  Eriophyllum confertiflorum var. confertiflorum R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  CAS-BOT-BC308352  Eriophyllum nevinii M. B. Dunkle 1939-5-28 8101 Los Angeles South end Santa Barbara Island Comment
  CAS-BOT-BC308367  Eriophyllum nevinii Alice Eastwood 1917-7-25 6448 Los Angeles Santa Catalina Isl. Comment
  SEINET3859871  Eriophyllum pringlei R. G. Swinney 2009-4-24 10462 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UC896384  Eriophyllum pringlei I. W. Clokey and B. C. Templeton 1930-4-8 4654 Los Angeles w of Lancaster 400 Comment
  RSA733449  Eriophyllum wallacei R. G. Swinney 2001-4-18 7883 Los Angeles San Gabriel Mtns./Mojave Desert: Valyermo area, Bobs Gap, east of Bobs Gap Road at base of ridge. +/-1000m. Comment
  OBI18704  Eriophyllum wallacei David J. Keil 1976-12-12 11890 Los Angeles Ca. 5 mi W of San Bernardino Co line along Calif 138 1128 Comment
  RSA578733  Eriophyllum wallacei Timothy S. Ross, J. Mark Porter 1994-5-1 7587 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  CHSC95775  Erodium botrys LeRoy Gross; Naomi Fraga 2002-4-4 504 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and 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. 606 Comment
  SBBG131629  Erodium brachycarpum S. A. Junak 1999-4-24 SCa 860 Los Angeles main rd, S facing slope adjacent to rd 445 Comment
  UC1587652  Erodium cicutarium Tim Ross 1991-3-9 4194 Los Angeles un-named canyon, Whittier Hills, (Puente Hills, pro parte) Whittier Hills, Puente Hills 304 Comment
  RSA638930  Erodium cicutarium Louis C. Wheeler 1967-5-15 9571 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  LA200514  Erodium moschatum Harlan Lewis; 1940-2-24 1091 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA530305  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-18 4193 Los Angeles Mt. Baldy Resorts 1829 Comment
  RSA587272  Erysimum capitatum var. capitatum Timothy S. Ross, S. D. Boyd 1990-5-17 2555 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  SBBG91997  Erysimum capitatum var. capitatum M. N. Ackley -May-1926 130 Los Angeles Ranger Station, Big Tujunga 511 Comment
  RSA303596  Erysimum capitatum var. capitatum J. R. Shevock 1970-3-7 22 Los Angeles Big Tujunga Canyon 610 Comment
  RSA0076224  Erythranthe androsacea Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10122 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1122 Comment
  SD236424  Erythranthe latidens A. C. Sanders 2005-5-11 30131 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, Plum Canyon, SW of Cruzan Mesa on bench on N side of canyon 573 Comment
  UCR205193  Eschscholzia californica R. G. Swinney 2008-4-30 8713 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA658411  Eschscholzia californica Erinn Wilson 1996-5-18 28 Los Angeles found off j lot [Cal Poly Pomona, parking] Comment
  RSA433666  Eschscholzia californica subsp. californica Ambrose Schindler 1940-3-4 s.n. Los Angeles Tujunga Canyon. Comment
  RSA598380  Eschscholzia minutiflora Louis C. Wheeler 1967-5-24 9741 Los Angeles Indian Canyon, near mouth 701 Comment
  RSA66272  Eschscholzia ramosa F. W. Peirson 1923-4-11 3469 Los Angeles San Clemente Island, bluff above sea a little way NW of Eagle Ranch Comment
  UCR178041  Eucalyptus viminalis LeRoy Gross 2003-1-25 686 Los Angeles Transverse Ranges: Santa Susana Mountains, Johnston's Motorway from Indian Springs Estates (private homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest 610 Comment
  RSA0092554  Eucrypta chrysanthemifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14321 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  UCSC000890  Eucrypta chrysanthemifolia Peter Kamb 1947-5-25 535 Los Angeles near Sunset Ridge guard station Sunset Ridge guard station - San Gabriel Mts., Millard Canyon 671 Comment
  UC1124387  Eucrypta chrysanthemifolia var. chrysanthemifolia A. D. Gifford 1935-3-15 463 Los Angeles 2.25 mi wsw Red Mountain; Angeles National Forest, Tejon Quad. 548 Comment
  UCR199997  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Mariam Sidibeh 2003-3-26 1608 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  RSA420819  Eucrypta chrysanthemifolia var. chrysanthemifolia Anstruther Davidson 1897-04 s.n. Los Angeles Eaton Canyon Comment
  SBBG126127  Eulobus californicus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37025 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, sw lobe of Irwindale between Baldwin Park and El Monte 92 Comment
  UCR205660  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  POM2700  Euphorbia lathyris W. R. Shaw 1900-7-3 s.n Los Angeles Claremont. 365 Comment
  RSA432443  Euphorbia palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA656864  Euphorbia peplus Joseph M. Keefe 2001-1-24 31020 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  UCR265506  Euphorbia polycarpa Dan S. Cooper 2015-3-18 315- 1 Los Angeles Los Angeles Basin/Western Transverse Range, Eastern Santa Monica Mtns/Hollywood Hills, at Hollywood Bowl 216 Comment
  RSA127972  Euphorbia serpillifolia P. H. Raven 1959-10-25 14698 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  UC57509  Euphorbia spathulata J. H. Barber 1897-6-2 163 Los Angeles Santa Monica Forestry Station Comment
  UCR213514  Euphorbia terracina A. C. Sanders, Karen Kirtland 2010-5-14 38346 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  SBBG128219  Festuca arundinacea M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3195 Los Angeles upper Bulrush Cyn, below 2nd reseroir 304 Comment
  LA200952  Festuca microstachys Peter H. Raven; 1960-5-15 15356 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  LA33395  Festuca microstachys Peter H. Raven; Henry J. Thompson 1959-5-5 14125 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  UCR277218  Festuca myuros R. G. Swinney 2010-6-1 13168 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
  UCR225180  Ficus carica Steve Boyd, Rick Riefner 2007-4-27 11746 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  CAS-BOT-BC500450  Ficus microcarpa R. E. Riefner, Jr. 2015-8-15 15 -222 Los Angeles City of Malibu, N side of Pacific Coast Hwy, E ca 0.25 mi from Coastline Dr.15 15 Comment
  POM155616  Filago californica M. L. Bryan 1928-4-20 30 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  RSA588900  Filago californica Timothy S. Ross, Steve Boyd 1990-5-15 2541 Los Angeles Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; ridgeline between Boulder Canyon drainage (on NW) and Big Tujunga Canyon (on NE). 1012 Comment
  UCR127904  Filago californica A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26100 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  RSA611485  Forestiera pubescens Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  POM320648  Fragaria californica M. A. Clauser 1965-4-19 159 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  SD233924  Frangula californica J. Vlahos 1934-5-13 Los Angeles San Antonio Canyon 1402 Comment
  CAS-BOT-BC52546  Frangula californica subsp. californica H. E. McMinn 1925-8-6 1554 Los Angeles Sawpit Dam, San Gabriel Mts. Comment
  CAS-BOT-BC52556  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd 1995-6-28 8651 Los Angeles Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. Burnt Peak 7.5' USGS Quad 737 Comment
  RSA730391  Frangula californica subsp. cuspidata R. G. Swinney 1999-6-18 7289 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  SBBG119976  Fraxinus velutina A. C. Sanders, M. A. Elvin, A. Parikh, N. Gale 2003-4-30 26231 Los Angeles Castaic, S side of Lake Hughes Rd near Ridge Route, W of Castaic Crk, Newhall Ranch property 351 Comment
  POM50749  Fremontodendron californicum A. D. E. Elmer 1902-06 3686 Los Angeles Acton, Mt. Gleason. Comment
  RSA426878  Fremontodendron californicum subsp. californicum G. R. Johnstone, W. B. McDougal 1930-2-9 s.n. Los Angeles Near Buckhart [Burkhart?] Ranch, Little Rock. N. Foothills San Gabriel Mts. 1220 Comment
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Aug 12 2014
  CAS-BOT-BC435219  Galenia pubescens var. pubescens John Ekhoff 1992-6-12 s.n. Los Angeles Signal Hill: property along Hill Street in the two-block area between Stanley and Ohio Avenues. 76 Comment
  UCR174643  Galium angustifolium Jennifer H. Jones, Jay H. Jones 2006-6-4 379 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  OBI35695  Galium angustifolium Rebecca Cicoria 1982-5-8 77 Los Angeles Palos Verdes Peninsula: Eastern slope of upper Agua Magna Cyn, along Storms Trail, Rolling Hills Comment
  RSA229725  Galium angustifolium subsp. angustifolium Robert F. Thorne 1969-7-2 38214 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  RSA488444  Galium angustifolium subsp. angustifolium Mark Hoefs 1974-9-25 547 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 53 Comment
  RSA87107  Galium angustifolium subsp. angustifolium J. T. Howell 1931-5-29 6564 Los Angeles Hills of Santa Monica Mts. at Santa Monica. Comment
  UC1583145  Galium angustifolium subsp. angustifolium Tim Ross and Steve Boyd 1990-5-14 2463 Los Angeles Yerba Buena Ridge San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1155 Comment
  RSA660407  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-5-21 368 Los Angeles Right Star Mine, S of Acton. Comment
  LA33613  Galium aparine Henry J. Thompson; 1959-4-19 1956 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA608524  Galium aparine Willis H. Wheeler 1930-4-12 s.n. Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCR147787  Galium grande Valerie Soza, Et al. 2000-7-5 1050 Los Angeles San Gabriel Mountains, Above San Gabriel Canyon, west of Morris Reservoir; adjacent to E-facing firebreak and west of Silver Fish Road (FSR 2N28), c. 3.2 mi west of San Gabriel Canyon Road (Hwy 39) along Silver Fish Road 793 Comment
  UCD121775  Galium hallii Cameron Blake; Jane Turner, Francis M. Ball 1962-6-2 SK and F 972 Los Angeles ca. 5 mi. NW of Big Pines on road to Valyermo. 1767 Comment
  SBBG6279  Galium jepsonii L. C. Wheeler 1970-7-25 s.n. Los Angeles Heliport, ca. 0.3 mi N of S Mt Hawkins 2286 Comment
  UCR276894  Galium johnstonii R. G. Swinney 2011-5-16 14752 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  CATA938  Galium nuttallii subsp. insulare Mark L. Hoefs, Robert Given 1992-4-16 1801 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  UCR281773  Galium nuttallii subsp. insulare Mitch Provance, Scott Duff 2017-6-29 617- 71 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  LA50684  Galium nuttallii subsp. nuttallii J. A. Ewan; 1929-3-18 1251 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UCR102379  Galium parishii L. C. Wheeler 1967-9-13 10747 Los Angeles San Gabriel Mtns., Saddle between Mt. San Antonio and West Baldy 3003 Comment
  RSA0107227  Galium porrigens R. G. Swinney 2011-5-19 14781 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 miles SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., south side of Coldwater Cyn. creek. 1073 Comment
  UC520245  Galium porrigens Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA424698A  Galvezia speciosa F. R. Fosberg 1931-7-15 S- 5415 Los Angeles Isthmus, Santa Catalina Island. 30 Comment
  UCSB6568  Gamochaeta ustulata Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plots; Angeles Forest Comment
  CAS-BOT-BC158016  Garrya veatchii Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 Comment
  LA40329  Garrya veatchii Robert Fowler; 1934-1-4 4320 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA44540  Garrya veatchii W. O. Griesel; 1937-12-23 sn Los Angeles Santa Monica Mountains, Las Virgenes Canyon Comment
  LA93202  Garrya veatchii Kei Nakai; 1975-11-27 TCSP 1 155 -75 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, along fire road 30 426 Comment
  UC142819  Garrya veatchii C. F. Baker 1903-2-15 4012 Los Angeles near Claremont; San Antonio Canyon Comment
  SD69607  Gaura drummondii Robert F. Thorne 1966-6-1 36478 Los Angeles Santa Catalina Island; Avalon. 29 Comment
  RSA579435  Gayophytum heterozygum Tim S. Ross, D. L. Banks 1994-6-21 7988 Los Angeles Vicinity of Pacifico Mountain: decending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca. 2325 m NW of Pac. Mtn s 7124-foot summit. 1915 Comment
  RSA72142  Gayophytum oligospermum F. W. Peirson 1922-7-5 4455 Los Angeles Big Pines. Northeast portion of San Gabriel Mountains. 2104 Comment
  RSA70503  Geranium carolinianum F. W. Peirson 1921-6-20 8219 Los Angeles North Fork of San Gabriel River, San Gabriel Mts 762 Comment
  RSA628581  Geranium rotundifolium Louis C. Wheeler 1967-7-18 10077 Los Angeles San Gabriel Mountains: Angeles National Forest: Gold Creek off Little Tujunga Canyon at Center Creek; Watts Ranch. 640 Comment
  RSA0053882  Gilia R. G. Swinney 2010-5-11 12634 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  UCSB33346  Gilia N. Black 1968-4-6 200 Los Angeles 50 FT S OF PALMDALE BLVD; 0.3 MILES E OF GOODE HILL ROAD 1005 Comment
  UCD117618  Gilia achilleifolia James Henrickson 1963-4-30 1233 Los Angeles Evey Canyon, northeast of Claremont, along road to Mt. Baldy. 792 Comment
  SBBG121864  Gilia achilleifolia subsp. achilleifolia A. Parikh, N. Gale 2005-6-15 779 Los Angeles Portal Ridge, 1.1 km N of intersection of N2/Johnson Rd, 1.6 km E of intersection of N2/Munz Ranch Rd 1085 Comment
  RSA587500  Gilia aliquanta subsp. breviloba Orlando Mistretta 1995-3-28 1578 Los Angeles San Gabriel Mountains: Drainage W of Little Rock Creek Reservoir just S of dam 1037 Comment
  UCR261548  Gilia angelensis R. G. Swinney 2010-2-27 11713 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
  RSA470111  Gilia angelensis Geo L. Moxley 1917-6-8 542 Los Angeles Yard on So. Rita St., Huntington Park. Comment
  RSA470240  Gilia angelensis L. C. Wheeler 1934-4-24 2559 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA555412  Gilia angelensis Patricia Wilder 1963-1 2004 Los Angeles Distillery. Comment
  RSA0095179  Gilia brecciarum subsp. brecciarum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4972 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA470174  Gilia brecciarum subsp. brecciarum Anstruther Davidson 1895-5-5 s.n. Los Angeles Antelope Valley Comment
  UCR177753  Gilia brecciarum subsp. brecciarum LeRoy Gross 2005-4-28 2141 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
  UCR197775  Gilia brecciarum subsp. brecciarum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 15 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA252967  Gilia brecciarum subsp. brecciarum R. F. Thorne, C. W. Tilforth 1973-4-20 43107 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
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Jan 14 2014
  IRVC26356  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  UCR127210  Gilia capitata A. C. Sanders 2003-5-1 26243 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, near Angeles National Forest boundary, c. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 396 Comment
  POM3478  Gilia capitata subsp. abrotanifolia D. L. Crawford 1915-6-27 s.n. Los Angeles Bear Canyon, Claremont. 1982 Comment
  RSA643166  Gilia latiflora Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1112 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Santiago Creek Section. Comment
  RSA470054  Gilia latiflora subsp. davyi L. C. Wheeler 1932-4-10 613 Los Angeles Acton. 823 Comment
  LA88524  Gilia latiflora subsp. davyi O. H. Kappler; 1946-4-13 1108 Los Angeles Little Rock-Valyermo Area, Southern Antelope Valley 914 Comment
  SBBG5865  Gilia latiflora subsp. latiflora H. and M. Dearing 1939-4-4 3084 Los Angeles E of Palmdale Comment
  RSA621049  Gilia malior J. Mark Porter 1998-4-27 11838 Los Angeles Antelope Valley: 1/2 mile N. of Hwy 138 along powerline road, near Antelope Valley California Poppy Reserve. Comment
  UCR223814  Gilia modocensis R. G. Swinney 2009-6-17 11185 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR143325  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arnseth 1992-4-5 130 Los Angeles Channel Islands, San Clemente Island, Guds area on extreme south end 175 Comment
  UC964781  Gilia ochroleuca subsp. bizonata Herbert L. Mason 1926-4-26 2967 Los Angeles Summit of 1st Grade, Mint Canyon Road Mint Canyon Road Comment
  RSA0016261  Gilia ochroleuca subsp. bizonata T. S. Ross, S. D. Boyd 1994-6-23 8051 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 Comment
  RSA0016176  Gilia ochroleuca subsp. ochroleuca R. F. Thorne, C. W. Tilforth 1973-4-20 43015 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  CAS-BOT-BC402077  Gilia ochroleuca subsp. vivida L. R. Abrams 1901-7-1 1898 Los Angeles Wilson's Peak Comment
  RSA0017166  Gilia ochroleuca subsp. vivida R. F. Thorne, C. W. Tilforth 1971-6-30 40751 Los Angeles Pacifico Mountain 1951 Comment
  SBBG118565  Gilia ochroleuca subsp. vivida L. C. Wheeler 1970-7-25 Los Angeles Heliport, ca. 0.3 mi N of South Mt Hawkins 2286 Comment
  UCR206128  Gilia splendens R. G. Swinney 2008-6-10 9003 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail 1585 Comment
  RSA593469  Glycyrrhiza lepidota Steve Boyd, Michael Wall 1996-5-16 8782 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  POM292429  Gnaphalium californicum Arthur L. Cohen 1935-8-8 712 Los Angeles Santa Monica. Pacific Ocean Watershed 61 Comment
  RSA670301  Gnaphalium canescens subsp. microcephalum Joseph M. Keefe 2001-3-19 31185 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  IRVC29643  Gnaphalium luteo-album A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26215 Los Angeles Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch Western San Gabriel Mtns. 351 Comment
  UCR158880  Gnaphalium luteoalbum Scott D. White 1994-7-14 2259 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA188294  Gnaphalium palustre R. F. Thorne 1966-6-2 36515 Los Angeles Santa Catalina Island: dry margin of Echo Lake, NNE of Black Jack Mt. 412 Comment
  CAS-BOT-BC302601  Gnaphalium palustre R. F. Thorne; C. W. Tilforth; J. Dourley; R. Scoggin 1972-8-11 42220 Los Angeles San Gabriel Mts., Angeles National Forest: Mt. Waterman, seepage area at top of ski lift 2377 Comment
  POM4657  Gnaphalium palustre L. R. Abrams 1901-4-2 1241 Los Angeles Inglewood. Comment
  SEINET7881045 Image available Gnaphalium palustre F. R. Fosberg, J. A. Ewan 1931-1 S 5501 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. Comment
  POM358929  Gnaphalium ramosissimum Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  CAS-BOT-BC110273  Grayia spinosa Eugene Wells 1910-3-18 s.n. Los Angeles Lancaster, Antelope Valley. Comment
  RSA657969  Grevillea robusta Christopher Vellema 2001-1-19 101 Los Angeles South side, city of Glendale, Pomeroy Canyon. Along side fire road next to creek. 341 Comment
  JEPS26088  Grindelia hirsutula Henry J. Thompson 1959-5-24 2034 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains, Saddle Peak 701 Comment
  JEPS30531  Grindelia hirsutula Donald M. Kyhos November 1958 Los Angeles Whittier Comment
  RSA158280  Guillenia lasiophylla P. H. Raven 1962-4-12 17320 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  RSA717856  Guillenia lasiophylla R. G. Swinney 1997-5-13 5518 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  CAS-BOT-BC282862  Hainardia cylindrica Le Roy Abrams 1901-6-1 1715 Los Angeles Ballona Harbor Comment
  UCR99403  Harpagonella palmeri Lauren Raz, Orlando Mistretta, M. Wall 1997-3-16 068 Los Angeles Channel Islands, Santa Catalina Island, Avalon Canyon via 'Divide Trail', NE of the Wrigley Botanical Garden 183 Comment
  JEPS26168  Hazardia squarrosa var. grindelioides Peter H. Raven and Henry J. Thompson 1959-9-18 14453 Los Angeles University of California Santa Monica Mountains, West Los Angeles, University of Cali 152 Comment
  CATA2038  Hedypnois cretica Steven A. Junak, Keri Kirkland, Linda Vorobik 1998-5-14 Los Angeles Santa Catalina Island: N of Empire Landing Road, about 0.5 miles W of intersection with Airport Road 441 Comment
  SBBG131686  Hedypnois cretica S. A. Junak 1999-4-24 SCa 858 Los Angeles main rd, just S of [airport] rd 445 Comment
  CLARK-A1528-1935  Hedypnois cretica Alfred R. Roos 1954-5-17 Los Angeles Hollywood 91 Comment
  POM175364  Helenium bigelovii E. Crow 1930-6-29 s.n. Los Angeles Along trail between Camp Coldbrook and Pine Flats, San Gabriel Mountains. Comment
  RSA199182  Helenium puberulum R. F. Thorne, D. Propst 1968-5-29 37704 Los Angeles Santa Catalina Island, bed of Hermit Gulch off Avalon canyon. 91 Comment
  POM359757  Helenium puberulum L. E. Hoffman 1932-8-14 17095 Los Angeles Crystal Lake Angeles National Forest. Comment
  SEINET3218475 Image available Helianthus annuus David Charlton 2009-9-7 s.n. Los Angeles Western Mohave Desert: Piute Ponds, Edwards Air Force Base, along shores of Ducks Unlimited ponds in SW Corner of area (Rosamond Lake 7.5' Q.) 698 Comment
  UC1746080  Helianthus annuus Annetta M. Carter 1946-4-23 1758 Los Angeles Sierra Madre. Crest of first hill on Mt. Wilson Trail. 365 Comment
  CAS-BOT-BC305696  Helianthus gracilentus Moxley; Grinnell 1916-6-15 477 Los Angeles Hills near Santa Susanna [Susana] Pass Comment
  RSA599758  Helianthus gracilentus Steve Boyd, Lauren Raz 1997-5-6 9777 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  OBI72021  Helianthus inexpectatus Mark Elvin 2002-7-17 2099 Los Angeles Western Transverse Range: Newhall ranch, large natural spring at N foot of "Airport Mesa", 0.75 mi SW of Castaic Jctn, above confluence of Castaic Crk with Santa Clara River (Newhall 7.5' Q 305 Comment
  SBBG126173  Heliotropium curassavicum A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36961 Los Angeles confluence of San Gabriel River and Walnut Crk, between El Monte and Baldwin Park, S of I-10 Fwy and N of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  SD252293  Heliotropium curassavicum Steven A. Junak 2000-10-12 Sca 1413 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. 195 Comment
  LA105075  Heliotropium curassavicum var. oculatum Barry A. Prigge; 1988-7-3 8191 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA0008440  Hemizonia australis Joseph A. Ewan 1931-7-31 4772 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  POM360264  Hemizonia fasciculata F. R. Fosberg 1930-6-23 2943 Los Angeles Del Rey. 1 Comment
  RSA0084178  Herniaria hirsuta subsp. cinerea Scott D. White 1998-6-4 6643 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed between I-5 Freeway/Old Ridge Route and the lake 427 Comment
  CATA3112  Herniaria hirsuta var. cinerea Amy Catalano 2016-5-20 115 Los Angeles Santa Catalina Island: Northwest end of bank below Lower Cape Canyon Reservoir 201 Comment
  SBBG113076  Herniaria hirsuta var. cinerea S. A. Junak 1998-5-2 SCa 628 Los Angeles rd to East Pk, just SW of Pk 1245, ca. 0.85 air mi NW of East Pk 347 Comment
  SD253561  Hesperocnide tenella R. G. Swinney 2011-5-3 14567 Los Angeles San Gabriel Moutains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road., Ecology Trail east of the Nature Cente (Mint Canyon 7.5'Q) 487 Comment
  CHSC95815  Heteromeles arbutifolia Joseph Marlowe Keefe 2001-1-19 30949 Los Angeles San Rafael Mountains. Eagle Rock District, Los Angeles, CA 90041 South by southeast face of The Eagle Rock. 304 Comment
  RSA167863  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33300 Los Angeles Cherry Cove, Santa Catalina Island. 61 Comment
  RSA454322  Heteromeles arbutifolia House, Grumbles 1930-5-13 s.n. Los Angeles San Clemente Island. Comment
  UCR217424  Heteromeles arbutifolia R. G. Swinney 2009-3-10 10062 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA0042668  Heteromeles arbutifolia Laura Moore, Jean Moore 1999-2-6 007 Los Angeles Pitzer College, Claremont: Along northwest boundary of Outback and Harvey Mudd soccer field. 350 Comment
  SD141296  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6847 Los Angeles San Clemente Island, Wash Rocky Canyon, 2 miles SE of Eel Point Comment
  RSA0075644  Heterotheca grandiflora Scott D. White, P. De Vries 2000-5-18 7919 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek Cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  RSA0075656  Heterotheca grandiflora Scott D. White 1997-5-8 5082 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  UCR205947  Heterotheca grandiflora A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37081 B Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  UCR217817  Heterotheca sessiliflora subsp. fastigiata Dan S. Cooper 2010-8-26 810- 95 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UCR273260  Heterotheca sessiliflora subsp. fastigiata R. G. Swinney 2011-10-25 15862 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  SEINET3161012  Heuchera elegans G. B. Grant 570 Los Angeles Summit of Mt. Lowe, S. CA 1829 Comment
  UC494222  Heuchera elegans Thomas R. Gaines Los Angeles Mt. Lowe 1584 Comment
  RSA641558  Hirschfeldia incana L. C. Wheeler 1967-5-29 9765 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  RSA653290  Hirschfeldia incana Kelly Middleton, David Middleton 1988-5-23 29 Los Angeles Glendora Ridge Road, 8.0 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora 1067 Comment
  RSA482876  Hirschfeldia incana L. E. Hoffman 1931-5-18 s.n Los Angeles Big Santa Anita Canyon. Comment
  SFV16231  Hirschfeldia incana L. Peralta 1996-5-13 s. n. Los Angeles Orcas Park off Orcas Road, about 1 mile south near creek. Comment
  JEPS65634  Hoita orbicularis Frank W. Peirson 1921-7-1 2474 Los Angeles Arraster Creek San Gabriel Mountains 944 Comment
  RSA449774  Holodiscus discolor L. E. Hoffman 1929-4-13 s.n. Los Angeles Mt. Leukens [Lukens] Trail, Angeles National Forest. Comment
  CATA1663  Hordeum intercedens Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-7-16 2952 Los Angeles Santa Catalina Island: Above Parson's Beach 85 Comment
  CATA942  Hordeum intercedens Mark L. Hoefs, Robert Given 1992-4-16 1806 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA0115304  Hordeum intercedens Steven A. Junak 2001-5-3 SCa- 1464 Los Angeles Santa Catalina Island. Just N of Airport Road, above head of Swain's Canyon. 408 Comment
  UCR184046  Hordeum marinum A. C. Sanders 2007-4-19 33430 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR272923  Hordeum marinum subsp. gussoneanum Steven A. Junak 2000-5-5 SCa- 1260 Los Angeles Channel Islands, Santa Catalina Island, c. 1.5 air miles north-northwest of beach at Little Harbor Campground, plant stop above road 198 Comment
  RSA187995  Hordeum murinum subsp. glaucum R. F. Thorne, P. Everett 1965-6-23 34940 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  CAS-BOT-BC289407  Hordeum murinum subsp. leporinum Carl B. Wolf 1932-5-9 3428 Los Angeles 1/2 mi. from Avalon on road to Pebbly Beach, Santa Catalina Island 7 Comment
  CATA716  Hordeum murinum subsp. leporinum Mark L. Hoefs 1991-5-3 1216 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  UC1147900  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-4 35777 Los Angeles ne Isthmus Cover (Blue Cavern Point, Santa Catalina Island); Santa Catalina Island, Blue Cavern Point 30 Comment
  UCR192806  Hordeum murinum subsp. murinum T. B. Salvato 2008-4-25 3347 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, Hwy 138, west of Cow Spring Canyon and 0.6 mi east of 300th Street West 950 Comment
  RSA499239  Horkelia cuneata subsp. puberula Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  SBBG106791  Hornungia procumbens V. Soza with L. Gross 2002-4-3 1382 Los Angeles W side of Bouquet Cyn, cyn opposite Texas Cyn 549 Comment
  POM156537  Hulsea heterochroma L. R. Abrams 1902-7-1 2629 Los Angeles Near summit of Mt. Wilson 1737 Comment
  RSA230220  Hulsea vestita subsp. gabrielensis R. F. Thorne 1969-7-2 38257 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  SEINET480201  Hulsea vestita subsp. vestita D. Wilken 1969-7-3 Los Angeles Near summit of Mt. Gleason, 5 miles west of Mill Creek Summit, San Gabriel Mountains Comment
  CDA37880  Hydrilla verticillata CDFA Staff 1980-1 s.n. Los Angeles Miller Water Gardens, San Gabriel. 0 Comment
  RSA453775  Hydrocotyle verticillata Theodore Payne 1918-08 3262 Los Angeles Santa Monica Mts. Comment
  HSC93649  Imperata brevifolia L. C. Wheeler 1964-3-18 8424 Los Angeles San Gabriel Mtns., about half way between Roberts Canyon and Fish Canyon. Comment
  SEINET3831358  Imperata brevifolia Louis C. Wheeler 1964-1 8424 Los Angeles San Gabriel Mountains: About half way between Roberts Canyon and Fish Canyon. Comment
  SD27744  Isocoma menziesii var. menziesii Carl B. Wolf 1932-5-9 3432 Los Angeles Santa Catalina Island, 0.5 miles from Avalon on road to Pebbly Beach 7 Comment
  SD85088  Isocoma menziesii var. menziesii E. R. Blakley 1961-9-24 4781 Los Angeles Santa Catalina Island, Little Springs Canyon 14 Comment
  RSA127985  Isocoma menziesii var. sedoides H. J. Thompson 1958-10-23 1814 Los Angeles Point Dume. 30 Comment
  JEPS26123  Isocoma menziesii var. vernonioides Peter H. Raven 1958-9-28 13736 Los Angeles Elysian Park; Santa Monica Mountains 198 Comment
  RSA593401  Isolepis cernua Steve Boyd, Orlando Mistretta 1996-5-23 8820 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  CAS-BOT-BC101897  Juglans californica Louis C. Wheeler 1932-4-2 549 Los Angeles Head Mandeville Canyon, Santa Monica Mts 487 Comment
  POM199712  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-06 4585 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  UC1135935  Juglans californica var. californica A. E. Wieslander 1933-3-26 283 Los Angeles Puente Hills Corona (Anaheim) Quadrangle Comment
  RSA0040549  Juglans hindsii Robert E. Riefner Jr. 2014-5-10 14 -114 Los Angeles San Fernando Valley, City of Los Angeles, Sepulveda Flood Basin, Sepulveda Basin Wildlife Area, Haskell Creek near Woodley Park, east of Woodley Ave., west of San Diego Freeway, north of Burbank Blvd. 227 Comment
  RSA787268  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37162 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR249900  Juglans hindsii R. E. Riefner Jr. 2014-1-1 14- 20 Los Angeles La Habra Heights, Puente Hills, Fullerton Road East c. 0.2 mi from Skyline Drive 254 Comment
  RSA756085  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  SBBG131559  Juncus bufonius S. A. Junak 1999-7-15 SCa 1030 Los Angeles Bulrush Cyn 237 Comment
  UC1971179  Juncus bufonius Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon Comment
  UCR277017  Juncus bufonius R. G. Swinney 2010-9-30 13924 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
  RSA248882  Juncus bufonius Robert F. Thorne 1973-4-12 42929 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  CATA814  Juncus bufonius var. bufonius Mark L. Hoefs 1991-6-17 1389 Los Angeles Santa Catalina Island: Near middle of Bulrush Canyon 368 Comment
  UCR217823  Juncus macrophyllus Dan S. Cooper 2010-8-27 810- 92 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Spring Canyon 288 Comment
  RSA368125  Juncus mexicanus F. R. Fosberg 1931-5-6 S- 4792 Los Angeles Cape Canyon, Santa Catalina Island. 220 Comment
  UC1586199  Juncus mexicanus Tim Ross 1991-8-16 5817 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  RSA605016  Juncus mexicanus L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  SD124370  Juncus patens F. C. Boutin 1967-4-23 1689 Los Angeles San Clemente Island, east side of island, next [to] major drainageway and canyon southeast of Lemon Tank, at seasonal pool. Comment
  UC483812  Juncus rugulosus F. R. Fosberg 1932-7-17 8586 Los Angeles lower part San Antonio Canyon Comment
  CATA1383  Juncus textilis Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2506 Los Angeles Santa Catalina Island: Just below lower Bulrush Reservoir 281 Comment
  SD85126  Juncus xiphioides E. R. Blakely 1962-10-5 5461 Los Angeles Santa Catalina Island, few, semi-shade of wilows, Middle Ranch Creek, 1 mile upstream from its mouth. 60 Comment
  UCR58439  Juniperus A. C. Sanders 1987-7-22 7168 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CAS-BOT-BC80986  Juniperus californica A. D. E. Elmer 1902-6-1 3633 Los Angeles Palmdale Comment
  RSA653383  Juniperus californica LeRoy Gross 2000-8-25 260 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park,entered from Foothill Blvd onto Orcas Ave 324 Comment
  SEINET3237950 Image available Juniperus occidentalis subsp. australis R. G. Swinney 1999-8-9 7601 Los Angeles San Gabriel Mtns.; eastern end of Big Horn Ridge, SW of Mt. San Antonio. 2793 Comment
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Apr 8 2021
  SEINET10449665  Kalanchoe laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-22 Ricketson 4873 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  CAS-BOT-BC235736  Keckiella cordifolia Elmer I. Applegate 1927-2-12 4983 Los Angeles Mandeville Canyon, Santa Monica hills Comment
  CAS-BOT-BC235770  Keckiella cordifolia Herman Knoche 1919-6-25 Series A, No. 907 Los Angeles Avalon, Santa Catalina Island Comment
  RSA156043  Keckiella cordifolia Peter H. Raven 1962-5-22 17830 Los Angeles Santa Catalina Island, first canyon west of Lions Head Point. Comment
  RSA584224  Keckiella cordifolia Tim S. Ross, Orlando Mistretta 1993-5-27 7320 Los Angeles Ridge dropping westward from Loop Canyon Road toward Wilson canyon 841 Comment
  UC1584061  Keckiella ternata var. ternata Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4041 Los Angeles nne of Tie Summit Station (e of Angeles Forest Highway); San Gabriel Mountains, Tujunga Ranger District 1566 Comment
  POM7121  Koeleria macrantha L. S., G. W 1919-5-10 2753 Los Angeles Turnbull Canyon, near Whittier 305 Comment
  RSA0127702  Koeleria macrantha Louis C. Wheeler 1967-8-1 10213 Los Angeles Angeles National Forest. Granite Mt. 2012 Comment
  UCR220189  Lactuca serriola R. G. Swinney 2009-4-7 10297 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  CAS-BOT-BC341490  Lagophylla ramosissima Timothy S. Ross; Steve Boyd 1994-6-23 8040 Los Angeles Liebre Mountains. Sawmill Mountain: 5514-ft summit and immediately adjacent slopes 1680 Comment
  UC1922692  Lagophylla ramosissima Scott D. White, Pam DeVries 2006-5-10 11426 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley and slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Lebec 7.5' Quad. Comment
  UCR131408  Lamarckia aurea Alison Lipman 1998-4-16 s.n. Los Angeles South Coastal Plains Region, George F Canyon, Palos Verdes Peninsula 305 Comment
  UCR260368  Lamarckia aurea R. G. Swinney 2010-4-30 12443 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA605814  Lamium amplexicaule Louis C. Wheeler 1966-10-27 9092 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  RSA624577  Lamium amplexicaule Louis C. Wheeler 1973-4-9 s.n. Los Angeles Millard Canyon, approximate forest service boundary. Comment
  UCR252757  Lantana montevidensis R. G. Swinney 2010-9-1 13651 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA92924  Lasthenia californica F. W. Peirson 1923-4-9 3425 Los Angeles San Clemente Island: Wilson's Cove Comment
  RSA502916  Lasthenia gracilis Steve Myers, Ed LaRue 1989-3-21 s.n. Los Angeles Palmdale area. Elizabeth Lake Road at California Aqueduct. 884 Comment
  RSA593444  Lasthenia gracilis Steve Boyd 1996-4-24 8645 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA595140  Lasthenia gracilis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8588 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct 1098 Comment
  SBBG61623  Lasthenia gracilis R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UC1215195  Lasthenia gracilis Peter H. Raven 1962-4-10 17193 Los Angeles s Wilson Cove; San Clemente Island 91 Comment
  UCR225775  Lasthenia microglossa Dave Silverman, Cindy Hopkins 2007-4-27 6769 Los Angeles SW Tehachapi Mountains, Tejon Ranch, 1.2 km south of Kern County line, 1.2 km due north of Oso Canyon and 1.3 km south of National Cement Plant 1053 Comment
  RSA743538  Lathyrus odoratus Sara L. Crockett 1997-3-7 C 87 Los Angeles 331 Clemente Street. 24 Comment
  UCR172781  Lathyrus vestitus Wayne Law, Jun Hu 2000-4-30 11 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR68932  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4209 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA527723  Lathyrus vestitus subsp. laetiflorus T. S. Ross, Annette Ross 1991-3-7 4151 Los Angeles Elephant Hill, western Pomona. 230 Comment
  RSA600176  Lathyrus vestitus subsp. laevicarpus Steve Boyd, Lauren Raz 1997-5-1 9668 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SD69558  Lathyrus vestitus var. alefeldii Robert F. Thorne 1966-4-28 36205 Los Angeles Santa Catalina Island, Pebbly Beach Canyon, dry rocky slope along the road to Renton Mine 244 Comment
  RSA562577  Lathyrus vestitus var. vestitus Steve Boyd 1993-4-22 7993 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  SBBG127094  Lathyrus vestitus var. vestitus A. Parikh, N. Gale 2011-7-3 3531 Los Angeles rd to Barley Flats, 2.9 km W of Shortcut Station, 1.3 km N of St Hwy 2; San Gabriel Mtns 1597 Comment
  SEINET3143225  Lavatera assurgentiflora Unknown 1904-1 672 -4841 Los Angeles Santa Catalina Island, Pacific Ocean off coast of S California Comment
  CAS-BOT-BC321524  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 Comment
  SJSU5534  Layia glandulosa C. W. Sharsmith 1957-4-13 6374 Los Angeles c. 1 mi S of Gorman 1066 Comment
  UCR100072  Layia glandulosa R. G. Swinney 1969-4-22 337 Los Angeles San Gabriel Valley, N and adjacent to Barnes Park along Rivergrade Rd., Baldwin Park. c. 200 yards east of San Gabriel River Channel. 91 Comment
  UCR177463  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA594969  Layia glandulosa Timothy S. Ross 1995-4-26 8378 B Los Angeles Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft). 1439 Comment
  RSA697445  Lepidium dictyotum Elisabeth Norland 1929-2-16 2 Los Angeles Cypress. Comment
  RSA184050  Lepidium flavum I. L. Wiggins 1966-4-15 20595 Los Angeles Swale about 2miles N of Theodroe Payne Wildflower Sactuary, NE of Pearblossom, Mojave Desert Comment
  UC673527  Lepidium flavum H. L. Mason 1926-4-27 3059 Los Angeles 30 mi w Victorville; Mohave Desert Comment
  SD262246  Lepidium fremontii R. G. Swinney 2014-4-17 16076 Los Angeles San Gabriel Mountains: SW of Littlerock, 0.5 - 0.8 mi. east of Cheseboro Rd., 100 - 200 m soouth of CA Aqueduct, 0.66 mile due S of Hwy. 138 / Pearblossom Hwy. 901 Comment
  UCR277188  Lepidium fremontii R. G. Swinney 2011-4-19 14404 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
  UC1587222  Lepidium lasiocarpum var. lasiocarpum Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-20 5335 Los Angeles terrace flats between Box Canyon and Horse Canyons (w side of San Clemente Island); San Clemente Island 484 Comment
  UCR219477  Lepidium nitidum R. G. Swinney 2009-3-19 10145 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  RSA158339  Lepidium nitidum P. H. Raven 1962-4-10 17197 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UCR256432  Lepidium strictum R. G. Swinney 2010-6-8 13198 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
  SBBG119318  Lepidium virginicum var. pubescens V. Soza with L. Gross 2001-5-14 1222 Los Angeles above Santa Anita Cyn, ca. 0.7 mi WNW of the Santa Anita Dam 762 Comment
  CAS-BOT-BC328061  Lepidospartum squamatum Joseph Andorfer Ewan; Nesta Ewan 1936-8-5 9930 Los Angeles Mescal Creek. San Gabriel Mts. 1524 Comment
  CAS-BOT-BC328083  Lepidospartum squamatum Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon. San Gabriel Mts. Comment
  RSA128051  Lepidospartum squamatum Peter H. Raven, H. J. Thompson 1958-9-19 13728 Los Angeles Santa Monica Mountains; on dry hillside near junction of Decker and Potrero Canyon roads, near Lake Sherwood. 282 Comment
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Mar 25 2014
  RSA3234  Lepidospartum squamatum C. B. Wolf 1931-7-2 2267 Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  RSA468567  Leptosiphon androsaceus Anstruther Davidson 1920-6-1 s.n. Los Angeles Mint Canyon. Comment
  RSA0108845  Leptosiphon aureus subsp. aureus R. G. Swinney 2010-6-1 13137 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
  RSA334158  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1969-7-9 38504 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Table Mt. 2133 Comment
  UCD118801  Leptosiphon ciliatus C. Davidson 1967-3-23 734 Los Angeles E side of San Gabriels, 2.5 miles SE of Valyermo on County N4. 1341 Comment
  UCD118982  Leptosiphon parviflorus Gerald Dickinson 1962-5-17 38 Los Angeles Topanga Boulevard and Upper Robinson Road, Santa Monica Mountains. 304 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
  RSA0086923  Lessingia glandulifera var. glandulifera R. G. Swinney 2010-6-23 13336 Los Angeles Hansen Dam Flood Control Basin, 0.1-0.4 miles E of Orcas Park on N side of Big Tujunga Wash, east end of survey area due south of Christy Ave. 331 Comment
  UC1531118  Lessingia glandulifera var. glandulifera Robert F. Thorne and Dick Tilforth 1978-6-21 52327 Los Angeles n Bob's Gap; San Gabriel Mountains Comment
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Jan 8 2017
  UC1586218  Lessingia glandulifera var. glandulifera Tim Ross 1991-8-16 5834 Los Angeles San Gabriel Mountains, Horse Flats Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  UC53982  Lessingia glandulifera var. glandulifera H. P. Chandler 1902-9-11 2054 Los Angeles Verdugo Canyon Comment
  RSA91163  Lessingia glandulifera var. glandulifera F. W. Peirson 1928-9-5 8191 Los Angeles road from Rock Creek to Big Pines 1280 Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  CDA5381  Ligustrum lucidum A. C. Sanders, Mark A. Elvin 2002-8-26 25585 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 . Comment
  UCSB17048  Limonium sinuatum Van Scoyoc, Dave 1963-5-18 Los Angeles corner of First St. and Ardmore Ave; Manhattan Beach Comment
  JEPS9855  Limosella acaulis Frank W. Peirson 1922-7-5 3155 Los Angeles Small Lake 2 mi w Big Pines (<lake is one of the sources of Mescal Cr. and lies in the westward extension of the Lone Pine-Swartout Valley depression. F. W. Peirson>); San Gabriel Mountains 1859 Comment
  PASA743  Linanthus aureus Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  UCR7794  Linanthus breviculus Steven M. Hutchison 1971-5-22 s.n. Los Angeles Western Mojave Desert, Hwy 138, 2 mi. west of Pinon Hills, 40 yards from highway on narrow dirt road 1189 Comment
  RSA753994  Linanthus californicus Doug Tolbert 1970-5-8 700508 -03 Los Angeles Angeles National Forest, road to Switzer's Camp, 200 yards from junction with State Route 2 1098 Comment
  UCR272525  Linanthus californicus R. G. Swinney 2011-7-8 15470 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
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Jan 24 2017
  UCR205294  Linanthus concinnus Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1673 Los Angeles San Gabriel Mountains, Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from c. 0.75 to 2.5 miles ESE from Three Points trailhead 2104 Comment
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Sep 19 2015
  UCSB43817  Linanthus dianthiflorus Morales, M. 1982-4-18 Los Angeles 400 yards south of Catalina airfield 441 Comment
  RSA67081  Linanthus dianthiflorus Alva Grant, Verne Grant 1951-3-23 15972 Los Angeles Wash north of Claremont 549 Comment
  RSA763148  Linanthus parryae Justin M. Wood 2010-5-10 1627 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  UCR265949  Linanthus parryae Orlando Mistretta, Christine Mistretta 2005-4-21 2060 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UC52503  Linanthus parviflorus Ernest Braunton 1902-4-29 315 Los Angeles n Pomona Pomona Comment
  RSA529136  Linanthus pungens T. S. Ross, S. D. Boyd 1991-7-24 5620 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA586687  Linanthus pungens Orlando Mistretta, Mark Elvin 1995-6-20 1788 Los Angeles San Gabriel Mountains: Bare Mountain Canyon, head of drainage, E of Pacifico Mtn, at end of Forest Rd. 3N7E. 2073 Comment
  UCR265621  Lindernia dubia Michael C. Long 2015-7-24 927 Los Angeles El Monte, Peck Road Water Conservation Park (County Park). Southwestern edge of broad peninsula, along South Lake, separating lakes into two sections 87.78 Comment
  LA212307  Liriodendron tulipifera Jack Pepper; 1953-2-9 s.n. Los Angeles Studio City. Comment
  RSA240674  Lithophragma affine Donald R. Bissing 1973-4-6 38 Los Angeles Evey Canyon, San Gabriel Mountains: 0.5 mile from mouth of canyon. 726 Comment
  CAS-BOT-BC426262  Lithophragma affine Munz; Harwood 1920-3-13 3311 Los Angeles San Jose Hills 1 mile W, of Pomona 304 Comment
  SFV16102  Lithophragma affine J. M. Kneitel 1995-4-9 21 Los Angeles San Gabriel Mountains Angeles Forest Highway, 3 miles north of junction with Angeles Crest Highway. 100m off highway. 915 Comment
  POM92064  Lithophragma affine subsp. mixtum H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  RSA439332  Lobelia dunnii var. serrata Fordyce Grinnell Jr. 1910-07 3661 Los Angeles Switzer's Camp, San Gabriel Mountains Comment
  SEINET12283891  Lobelia laxiflora var. angustifolia Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  RSA0113373  Loeflingia squarrosa LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7526 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
  UC1594344  Logfia filaginoides Tim Ross 1992-4-16 6200 Los Angeles 268 degrees w and 500 m distant from 1603' peak above Stone field station (in central part of island); San Clemente Island 438 Comment
  UC1930102  Lolium multiflorum V. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  RSA758703  Lolium perenne Orlando Mistretta, Christine Mistretta 2008-4-19 2503 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA774832  Lolium perenne subsp. multiflorum Orlando Mistretta, Christine Mistretta 2010-6-8 5284 Los Angeles Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, approx. 1.15 miles N of intersection with upper Big Tujunga Canyon Rd. 1100 Comment
  UCR214629  Lolium perenne subsp. multiflorum A. C. Sanders, Dan S. Cooper 2010-3-12 37367 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG31355  Lolium rigidum R. F. Thorne 1966-6-1 36482 Los Angeles near Avalon, opposite Bird Rock 30 Comment
  RSA0116900  Lolium temulentum Lyman Benson 1948-4-25 12861 Los Angeles First summit southwest of Pomona, Brea Canyon Road. Mt. Range: San Jose Hills. 304 Comment
  SEINET8465376 Image available Lomatium dasycarpum Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles San Gabriel Mtns.; Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCD127630  Lomatium dasycarpum subsp. dasycarpum Steve Boyd; Lauren Raz, Timothy S. Ross 1997-4-1 9467 Los Angeles upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of 'Osito Flat. 792 Comment
  RSA545312  Lomatium dasycarpum subsp. dasycarpum T. S. Ross, Mathew Bell 1992-3-22 6053 Los Angeles Santa Monica Mountains; W side of Yerba Buena Road ca. 360m NNW of intersection with Mullholand Hwy 488 Comment
  RSA655791  Lomatium dasycarpum subsp. dasycarpum James Henrickson 2000-4-15 20696 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Highway 14. 488 Comment
  RSA452134  Lomatium lucidum Donald R. Bissing 1973-6-2 166 Los Angeles Evey Canyon; in open grassy area beside road 0.3 miles from canyon mouth; 720 Comment
  UC1605195  Lomatium lucidum Tim Ross and Walter Appleby 1993-5-19 7174 Los Angeles long s.-s.e.-trending ridge s. Wilson Canyon Saddle (e. side of ridge); w. San Gabriel Mts., San Fernando Quad. 947 Comment
  SD231183  Lomatium mohavense Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 48 Los Angeles Transerves Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. 1444 Comment
  UCR191270  Lomatium nevadense R. G. Swinney 1998-7-2 6206 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  SBBG59742  Lomatium utriculatum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR56409  Lomatium utriculatum S. J. Myers, E. LaRue 1989-3-21 s.n. Los Angeles Western Mojave Desert, Palmdale area, Elizabeth Lake Road at California Aqueduct 887 Comment
  RSA0116115  Lonicera subspicata R. G. Swinney 2010-8-23 13571 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  CAS-BOT-BC234860  Lonicera subspicata var. denudata L. A. Greata 1900-9-23 s.n. Los Angeles Eagle Rock Canon [Canyon] Comment
  UCR206151  Lonicera subspicata var. denudata R. G. Swinney 2008-5-30 8905 Los Angeles San Gabriel Mtns., San Gabriel Canyon near El Encanto, 200 m west of entrance along Hwy 39 232 Comment
  UCR212757  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1822 Los Angeles Transverse Range; San Gabriel Mountains, San Gabriel River Watershed, San Gabriel R. main stem across from Morris Dam, between San Gabriel Canyon Road (Hwy 39) and Silver Fish Truck Trail 402 Comment
  RSA406753  Lotus argophyllus subsp. ornithopus F. R. Fosberg 1931-5-6 S- 4789 Los Angeles Santa Catalina Island. Cape Canyon, mouth. 200 Comment
  RSA406761  Lotus argophyllus subsp. ornithopus M. B. Dunkle 1939-11-24 7350 Los Angeles San Clemente Island: Pyramid Cove Comment
  RSA3491  Lotus argophyllus var. ornithopus C. B. Wolf 1932-5-9 3434 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  RSA406451  Lotus dendroideus var. dendroideus George B. Grant 1904-6-17 s.n. Los Angeles Pasadena. Comment
  RSA525173  Lotus grandiflorus var. grandiflorus Walter Wisura 1990-6-16 4450 Los Angeles 7.8 mi S fr Soledad Canyon Rd along forestry rd 4N33 Comment
  UC1929740  Lotus hamatus V. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  RSA226095  Lotus heermannii var. heermannii R. F. Thorne, C. W. Tilforth 1971-6-17 39945 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA802334  Lotus heermannii var. heermannii Orlando Mistretta, Cher Batchelor 2011-7-27 5989 Los Angeles Arroyo Seco Cyn drainage. Angeles Crest Hwy, near mile market no. 31. 975 Comment
  RSA618784  Lotus humistratus 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
  RSA498758  Lotus humistratus M. Lindsay 1928-4-5 14573 Los Angeles Palos Verdes Hills Comment
  RSA656837  Lotus nevadensis var. davidsonii Valerie L. Soza, Leland Lubinsky 2000-6-23 1028 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  UC212351  Lotus nevadensis var. davidsonii I. Johnston 1917-7-4 1423 Los Angeles s slope Baldy Comment
  RSA0096798  Lotus oblongifolius R. G. Swinney 2011-10-10 15728 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA406216  Lotus oblongifolius var. oblongifolius H. M. Hall 1896-8-3 285 Los Angeles S. Antonio Mts. 2043 Comment
  RSA0080789  Lotus salsuginosus R. G. Swinney 2010-5-7 12574 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  UCR281142  Lotus salsuginosus R. G. Swinney 2014-6-5 16697 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  IRVC26936  Lotus scoparius A. C. Sanders 2003-4-28 26087 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA348070  Lotus scoparius Dave Kelly, W. Wisura 1986-4-30 4115 Los Angeles Baldwin Hills, near radio towers above Co. park off La Cienega Blvd. Comment
  RSA406837  Lotus scoparius Ora M. Clark 1928-12-23 1387 Los Angeles Venice Comment
  RSA0070329  Lotus scoparius var. scoparius R. G. Swinney 2010-5-7 12600 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA250692  Lotus strigosus R. F. Thorne 1971-4-2 41433 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  UC1585944  Lotus strigosus Barbara Ertter with L. Heckard, T. Sholars, J. Hickman, et al. 1988-5-23 7481 Los Angeles on n side San Gabriel Mts. (Co Rd N2) (Pine Canyon Rd along San Andreas Fault, on n side of rd); San Gabriel Mts., San Andreas Fault Comment
  LA52442  Lotus strigosus Elizabeth McClintock; 1936-4-18 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Comment
  RSA249814  Lotus strigosus R. F. Thorne 1973-4-25 43381 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
  UCR104145  Ludwigia peploides subsp. peploides Scott D. White 1997-11-5 6014 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  UCR192960  Lupinus R. G. Swinney 1998-7-14 6445 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  SDSU4642  Lupinus albifrons R. M. Beauchamp 1967-3-20 367 Los Angeles Road south of Avalon. Santa Catalina Island. Comment
  UCD105985  Lupinus albifrons P. B. Kennedy 1928-3-29 s.n. Los Angeles Santa Catalina Island. Comment
  UCR149823  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Heliport 0.3 mi N of South Mt. Hawkins 2287 Comment
  SEINET10688762  Lupinus arizonicus subsp. arizonicus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3623 Los Angeles South facing side of ravine west of the buildings of California Poly. Campus. 3 1/2 miles SW of San Dimas. Comment
  LA200463  Lupinus bicolor Norman A. Cole; May 1964 366 Los Angeles Santa Monica Mountains, 6.3 mi. from 101 Alt. along Puima Road 579 Comment
  LA82125  Lupinus bicolor O. H. Kappler; 1943-5-2 393 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA339701  Lupinus bicolor R. F. Thorne 1982-4-20 55000 Los Angeles San Gabriel Mts: Grassy slopes above Little Rock Creek below dams 976 Comment
  RSA600728  Lupinus bicolor L. C. Wheeler 1955-4-17 7136 Los Angeles Little Rock Creek at confluence with Bare Mountain Canyon. Comment
  SD69513  Lupinus bicolor Robert F. Thorne 1966-4-6 35911 Los Angeles Santa Catalina Island; north of Catalina Airport. 1430 Comment
  UCR258825  Lupinus bicolor R. G. Swinney 2010-5-11 12695 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  RSA599345  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-3-26 9374 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA0003371  Lupinus bicolor subsp. marginatus David B. Dunn, C. Epling 1946-4-19 2129 Los Angeles 0.9 mi S junction Hwys 99 & 138. 1067 Comment
  SEINET10484869  Lupinus bicolor subsp. marginatus David B. Dunn, Carl C. Epling 1946-4-19 Dunn 2139 Los Angeles In a grassy meadow on the e side of the hwy 138; 2.9 miles s of the junction of The old ridge route road 853 Comment
  SEINET10484975  Lupinus bicolor var. umbellatus Robert F. Thorne 1966-4-17 Thorne 36099 Los Angeles San clemente island: desiccated vernal pool on mesa just nw of thirst, elev. C. 1800 Ft.; With deschampsia danthonioides, calandrinia ciliata meniesii, Gilia nevinii, pectocarya linearis ferocula, plagiobothrys spp., Microseris Spp., Etc. 549 Comment
  CATA3314  Lupinus concinnus Amy Catalano 2017-3-24 033 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, south side of road, about 100 meters up slope 229 Comment
  RSA413485  Lupinus concinnus Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground. 1677 Comment
  UCR142734  Lupinus concinnus L. C. Wheeler 1932-4-9 559 Los Angeles Western Mojave Desert, 2 mi. NW mouth of Kings Canyon, Antelope Valley 915 Comment
  SBBG98510  Lupinus concinnus T. Ross 1991-5-21 5398 Los Angeles where the two upper forks of Box Cyn join together 466 Comment
  RSA0116833  Lupinus elatus R. G. Swinney 2010-9-21 13858 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  CAS-BOT-BC216660  Lupinus excubitus subsp. hallii C. F. B. 1903-4-1 4102 Los Angeles Anaheim Comment
  CAS-BOT-BC205405  Lupinus excubitus var. austromontanus E. K. Balls 1952-4-9 8449 Los Angeles 1/2 mi. E of Junct. Hwy. 99 & Hwy. 138 at Gorman 1127 Comment
  RSA407098  Lupinus excubitus var. austromontanus Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  RSA579319  Lupinus excubitus var. austromontanus T. S. Ross 1994-5-31 7974 Los Angeles W slope, ca 860 m WSW of the 7124-ft summit 2072 Comment
  RSA503925  Lupinus excubitus var. hallii N. C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mts 610 Comment
  UCR271090  Lupinus excubitus var. hallii R. G. Swinney 2011-4-28 14525 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  SEINET10485305  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(2) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  RSA0091985  Lupinus formosus R. G. Swinney 2011-6-15 15158 Los Angeles Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy 1585 Comment
  SBBG69109  Lupinus formosus R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR209500  Lupinus formosus R. G. Swinney 2008-6-17 9037 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  POM2657  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  RSA252934  Lupinus formosus var. formosus R. F. Thorne 1973-4-20 43046 Los Angeles San Gabriel Mts., Mojave Desert slopes: ridge N of Shoemaker Canyon, 3 mi. WNW of Mile High & c. 1.5 mi E of Big Rock Springs. 1372 Comment
  RSA413629  Lupinus formosus var. formosus L. C. Wheeler 1934-3-24 2470 Los Angeles Liveoak Canyon, San Gabriel Mountains. 473 Comment
  CATA368  Lupinus hirsutissimus Mark L. Hoefs 1974-3-28 418 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, near road, by reservoir 289 Comment
  RSA595009  Lupinus hirsutissimus Mark Hoefs, Robert F. Thorne 1996-4-6 2650 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  SEINET8043941 Image available Lupinus hirsutissimus R. G. Swinney 2010-1 12441 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
  UCSB3301  Lupinus hirsutissimus Sage, Paul 1958-2-21 Los Angeles On floor of Millard Canyon; 0.3 mi. below end of Chainy Trail Road, Altadena 487 Comment
  POM210251  Lupinus latifolius subsp. parishii Victor Duran 1933-7-21 3523 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  SEINET10489281  Lupinus latifolius subsp. parishii Robert F. Thorne, Mae Z. Thorne 1969-7-9 Thorne 38587 Los Angeles San gabriel mts., Angeles nat'l forest: upper edge of wet meadow, big pines; Perennial c. 1-2 M. With pale lavender fls. 2088 Comment
  CAS-BOT-BC211698  Lupinus longifolius Charlotte Hoak 1947-4-26 11701 Los Angeles Montrose, near La Canada Comment
  LA33645  Lupinus longifolius Henry J. Thompson; 1959-5-24 1999 Los Angeles Santa Monica Mountains, Tuna Canyon, ca 1.3 mi N of Pacific Coast Hwy 213 Comment
  RSA3241  Lupinus longifolius Carl B. Wolf 1931-6-25 11124 Los Angeles Wash SW of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon). 61 Comment
  SEINET10485615  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  SBBG69040  Lupinus microcarpus var. densiflorus R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  CAS-BOT-BC207247  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA624652  Lupinus sparsiflorus subsp. sparsiflorus L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  LA201748  Lupinus succulentus Arthur C. Gibson; 2001-5-19 4801 Los Angeles Santa Monica Mountains, Solstice Canyon, Solstice Canyon Park, along trail near park entrance Comment
  LA52466  Lupinus succulentus A. M. Johnson; 1934-3-22 4382 Los Angeles Entrance to U.C.L.A. Campus, Westwood Village gate Comment
  OBI35615  Lupinus succulentus Rebecca Cicoria 1981-4-23 6 Los Angeles In upper end of Altamira Cyn, Rolling Hills Comment
  RSA166556  Lupinus succulentus W. G. Webb 1935-2-10 s.n. Los Angeles Glendale. Comment
  RSA724593  Lupinus truncatus K. Dobry 1991-5-18 614 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  SBBG34333  Lupinus truncatus P. H. Raven 1962-5-9 17649 Los Angeles cyn just N of Guds 249 Comment
  RSA535731  Lupinus truncatus Tim S. Ross 1991-5-23 5479 Los Angeles San Clemente Island: mouth of Tota Canyon, middle of island, eastern escarpment. 5 Comment
  OBI35607  Lycium brevipes Rebecca Cicoria 1981-5-18 28 Los Angeles Off Palos Verdes Dr S at Pt. Fermin, Rancho Palos Verdes Comment
  UC26136  Lycium brevipes Blanche Trask 1890-1 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  CAS-BOT-BC231601  Lycium cooperi Russell S. Woglum 1942-5-20 3332 Los Angeles Transverse Ranges/Mojave Desert Transition: Little Rock Dam; Angeles National Forest Comment
  POM263246  Lycium cooperi J. C. Roos 1937-5-31 690 Los Angeles Desert S of Lancaster. Comment
  SFV21787  Lycium cooperi L. K. Grossnickle, K. Grossnickle 2010-5-2 s. n. Los Angeles Mojave Desert Antelope Valley. Palmdale, wash of Amargosa Creek at end of Whiteash Drive. 820 Comment
  UC146425  Lycopus americanus T. W. Minthorn 1908-9-9 Los Angeles San Gabriel R. bottom San Gabriel R. Comment
  RSA409648  Lycopus americanus Anstruther Davidson 1890-08 s.n. Los Angeles [Los Angeles]? Comment
  RSA680075  Lyonothamnus floribundus Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 310 Los Angeles San Clemente Island. Conchulagua Canyon. [Canchalagua] In canyon floor. Shelf under a 25' cliff. [Longitude should be 118 deg. instead of 116 deg.] 213 Comment
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Mar 28 2014
  RSA248875  Lyonothamnus floribundus subsp. aspleniifolius Robert F. Thorne 1973-4-12 42966 Los Angeles Large canyon S of Mosquito Cove N of Chenity; San Clemente Island. 274 Comment
  CATA1955  Lyonothamnus floribundus subsp. floribundus Martin A. Piehl 1962-10-6 62 512 a Los Angeles Santa Catalina Island: Probably in canyon between Pebbly Beach and Renton Mine 0 Comment
  SBBG51688  Lyonothamnus floribundus var. floribundus M. A. Piehl 1962-10-6 62 -518 Los Angeles cyn between Pebbly Beach and Renton Mine Comment
  UC33200  Madia elegans J. H. Barber 1897-7-11 259 Los Angeles Mt. Gleason summit; Mt. Gleason summit Comment
  SD53071  Madia exigua Peter H. Raven 1962-5-21 17812 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon 199 Comment
  POM49797  Madia exigua L. W. Nuttall 1920-6-6 s.n. Los Angeles Cattail Canyon, Santa Catalina Island. Comment
  LA88347  Madia gracilis O. H. Kappler; 1941-5-22 272 Los Angeles Santa Monica Mountains, Zuma Canyon, near summit of Mulholland Hwy and below Saddle Rock 609 Comment
  RSA188029  Madia gracilis R. F. Thorne 1966-4-30 36345 Los Angeles Santa Catalina Island: mouth of Gallagher's Canyon. 8 Comment
  SD132671  Madia gracilis F. R. Fosberg 1931-4-10 S 4528 Los Angeles Santa Catalina Island; Hamilto Canyon 39 Comment
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Feb 20 2012
  RSA773672  Madia minima R. G. Swinney 2009-6-3 11039 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  NY24342  Mahonia nevinii A. M. Ottley 1920-4-30 522 Los Angeles Arroyo Seco, Pasadena 335.3 Comment
  CAS-BOT-BC230921  Malacothamnus davidsonii Tim Ross; Steve Boyd 1993-6-30 7387 Los Angeles Western San Gabriel Mtns: near middle portion of Loop Canyon 684 Comment
  CAS-BOT-BC206293  Malacothamnus fasciculatus var. nuttallii Alice Eastwood 1933-10-1 s.n. Los Angeles Rancho Santa Ana Botanic Garden Comment
  RSA646131  Malacothamnus fremontii Orlando Mistretta 1992-9-14 s.n. Los Angeles San Gabriel Mountains: North Fork Saddle. Tujunga Ranger District. Comment
  UCR145174  Malacothamnus fremontii June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  UCR85798  Malacothamnus fremontii T. S. Ross, Steve Boyd 1991-7-24 5638 Los Angeles San Gabriel Mtns., ridge NNE of Granite Mountain 1915 Comment
  POM9683  Malacothamnus fremontii F. W. Peirson 1918-6-15 2672 Los Angeles Upper Mint Canon. [canyon] Comment
  RSA0104036  Malacothamnus fremontii Robert F. Thorne, M. Z. Thorne 1969-7-10 38446 Los Angeles San Gabriel Mts., Angeles National Forest: c. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1950 Comment
  RSA563519  Malacothrix clevelandii Timothy S. Ross, Walter Appleby 1993-5-14 7142 Los Angeles 160m S of May Canyon Saddle and 325m NW of May Peak 1121 Comment
  SEINET3859913  Malacothrix saxatilis R. G. Swinney 2009-4-15 10338 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  RSA0105045  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-4-26 14483 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA780692  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-28 2011 -10 Los Angeles Transverse Ranges; Liebre Mountains region; 925 meters SW of Vasquez Canyon Road at Mesa Drive in Santa Clarita 576 Comment
  LA62903  Malosma laurina Annetta M. Carter; 1935-9-8 955 Los Angeles SAN GABRIEL MOUNTAINS, Sierra Madre. 380 Comment
  RSA167851  Malosma laurina R. F. Thorne, P. Everett 1964-2-6 33287 Los Angeles Santa Catalina Island. W of Catalina Harbor at Isthmus. 5 Comment
  RSA386410  Malosma laurina Gary D. Wallace 1978-2-12 1570 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  SBBG12014  Malosma laurina E. R. Blakley 1961-9-24 4763 Los Angeles Fourth of July Cove 15 Comment
  UC1130577  Malosma laurina Jerome S. Horton 1935-7-18 213 Los Angeles below dam Dalton Canyon; Pomona Quad., Dalton Canyon Comment
  UC545803  Malosma laurina Annetta M. Carter 1935-9-8 955 Los Angeles Sierra Madre Comment
  RSA765316  Malva nicaeensis Doris Bowers 1957-5-2 105 Los Angeles Road above Puddingstone, LaVerne. 320 Comment
  UCR91512  Malva parviflora Scott D. White 1996-4-13 3933 Los Angeles Claremont. Geneva Avenue: north of San Jose, south of Arrow Highway, west of Indian Hill, east of Towne 323 Comment
  UCR218008  Malvella leprosa A. C. Sanders, Dan S. Cooper 2010-8-5 38582 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA433878  Malvella leprosa Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  UCR263072  Marah Mitch Provance 2008-4-14 10149 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  UCSB6287  Marah macrocarpa Kamb, Peter 1948-2-29 Los Angeles Ridge west of Sheep Corral Canyon, Verdugo Range 701 Comment
  HSC12387  Marrubium vulgare Wendell Wood 1970-6-22 27 Los Angeles Tujunga Canyon Rd., 3 mi. beyond intersection of Mt. Gleason Ave., Tujunga 457 Comment
  LA81996  Marrubium vulgare Unknown; 1927-5-7 sn Los Angeles SANTA MONICA MOUNTAINS, Universal City. 213 Comment
  POM175349  Meconella denticulata E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  CATA1756  Medicago Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3198 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir 304 Comment
  SEINET3131628  Medicago apiculata G. B. Grant 1905-5-16 761 -6498 Los Angeles Garvanza Comment
  CATA135  Medicago polymorpha Peter Henrikson 1987-5-18 101 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  UCR199970  Medicago polymorpha Valerie Soza, LeRoy Gross 2001-5-9 1190 Los Angeles Transverse Ranges: Verdugo Mountains Region, Southern San Rafael Hills, south of Scholl Canyon, Sleepy Hollw Drive to Valle Vista fire road 274 Comment
  RSA609977  Medicago sativa L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mountains: Mine Gulch Camp, East Fork San Gabriel River. 1371 Comment
  UCR223266  Medicago sativa R. G. Swinney 2009-8-19 11458 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  UC1922326  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. Comment
  RSA3499  Melica imperfecta C. B. Wolf 1932-5-9 3442 Los Angeles Santa Catalina Island. Base of cliff opposite the tent city. 8 Comment
  UCD87804  Melica imperfecta CE 1925-4-18 6769 Los Angeles Griffith Park. Comment
  UCR193987  Melica imperfecta R. G. Swinney 1998-8-13 6734 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR219821  Melica imperfecta R. G. Swinney 2009-4-16 10370 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  UCSB12229  Melica imperfecta Hochberg, Fred 1961-3-17 Los Angeles North slope 1/2 mile from Middle Ranch into Cape Canyon, Catalina Island Comment
  RSA729941  Melica stricta R. G. Swinney 1999-6-18 7296 Los Angeles San Gabriel Mtns.: Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1683 Comment
  SBBG12331  Melilotus indicus P. H. Raven 1962-4-9 17128 Los Angeles near barracks, Wilson Cove 60 Comment
  RSA652189  Melilotus indicus G. F. Orr 1956-3-12 s.n. Los Angeles At junction of Sepulveda Blvd. and Mulholland Dr., Sherman Oaks. 243 Comment
  SEINET7760541  Melilotus indicus G. B. Grant 1903-1 768 Los Angeles Pasadena Comment
  RSA597890  Mentzelia affinis R. M. Beauchamp 1972-3-24 3216 Los Angeles W side of Canyon, San Clemente Island. 100 Comment
  SBBG69333  Mentzelia affinis M. N. Ackley 1927-5-8 506 Los Angeles Little Rock 914 Comment
  SFV2372  Mentzelia affinis P. G. Kilburn 1958-4-12 720 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  RSA440353  Mentzelia affinis Jack Rempel 1932-4-10 s.n. Los Angeles El Segundo. Comment
  SBBG13191  Mentzelia affinis E. R. Blakley 1962-6-9 5194 Los Angeles 0.25 mi toward Pyramid Cove from China Pt Comment
  SBBG118679  Mentzelia albicaulis L. C. Wheeler 1967-5-31 9799 Los Angeles just over the rise immediately W of Caldwell Lake Comment
  RSA0097782  Mentzelia congesta R. G. Swinney 2011-4-26 14521 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 378 Comment
  RSA778919  Mentzelia congesta Orlando Mistretta, Christine Mistretta 2010-6-3 5245 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA579526  Mentzelia dispersa Tim S. Ross, Steve D. Boyd 1994-5-24 7872 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  CATA3075  Mentzelia micrantha Amy Catalano 2016-4-15 072 Los Angeles Santa Catalina Island: Side drainage of Renton Pass Canyon, below exclosure 4D, about 100 m up from main drainage, N-facing slope 378 Comment
  RSA446762  Mentzelia micrantha C. Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA0112067  Mentzelia micrantha Steven A. Junak 2000-5-18 SCa- 1289 Los Angeles Santa Catalina Island. W side of Avalon Canyon. Overlooking Las Lomas Road, just downslope from Hogsback Road. 91 Comment
  UCR119281  Mentzelia ravenii A. C. Sanders, D. Malueg 1998-6-22 22041 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
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Apr 10 2008
  RSA0105161  Mentzelia veatchiana R. G. Swinney 2011-5-12 14672 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy. 1183 Comment
  RSA640298  Mentzelia veatchiana Louis C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  RSA607018  Mentzelia veatchiana Louis C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  RSA710834  Mentzelia veatchiana LeRoy Gross 2005-5-3 2209 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  SEINET6944405  Mentzelia veatchiana W. P. Vestal, A. G. Vestal 1956-3-26 3480 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  CAS-BOT-BC435239  Mesembryanthemum crystallinum Peter H. Raven; Henry J. Thompson 1959-6-4 14328 Los Angeles Santa Monica Mountains. Point Dume 45 Comment
  POM770  Mesembryanthemum crystallinum D. L. Crawford 1916-5-10 s.n. Los Angeles Upper San Dimas Canyon Comment
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Jul 7 2008
  RSA402607  Mesembryanthemum crystallinum Freda Detmers 1933-6-4 s.n. Los Angeles Watch horn Basin near San Pedro. Comment
  SBBG19211  Mesembryanthemum nodiflorum M. A. Piehl 1963-12-7 631046 Los Angeles SE tip of island opposite Pyramid Head 21 Comment
  RSA618700  Microseris douglasii subsp. douglasii Scott D. White, Sandy Leatherman 1998-5-19 6540 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  CAS-BOT-BC322635  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 a Los Angeles San Clemente Island 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
  POM363443  Microseris lindleyi F. R. Fosberg 1931-3-27 4402 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island, 150 Comment
  UCR126764  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26116 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
  RSA660420  Microseris lindleyi Orlando Mistretta 1992-5-21 396 Los Angeles Right Star Mine, S of Acton. Comment
  POM75321  Microsteris gracilis subsp. gracilis George B. Grant 1904-04 784 Los Angeles Lincoln Park. Comment
  RSA600409  Mimulus aurantiacus Steve Boyd, Lauren Raz 1997-4-30 9638 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA527594  Mimulus aurantiacus var. parviflorus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4421 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA0056541  Mimulus aurantiacus var. parviflorus Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. Comment
  LA209157  Mimulus aurantiacus var. pubescens S. F. Blake; 1910-7-23 434 Los Angeles Los Angeles Comment
  OBI9531  Mimulus aurantiacus var. pubescens Carl B. Wolf 1936-4-24 7772 Los Angeles Base of Santa Susana Pass 366 Comment
  RSA0114884  Mimulus aurantiacus var. pubescens R. G. Swinney 2011-4-26 14510 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA527717  Mimulus aurantiacus var. pubescens Tim S. Ross, Annette H. Ross 1991-3-7 4158 Los Angeles Elephant Hill: western Pomona. 244 Comment
  UCR260009  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-3-24 12093 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA641372  Mimulus brevipes Orlando Mistretta 1995-6-23 1839 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1814 Comment
  UCR210254  Mimulus cardinalis R. G. Swinney 2008-8-13 9365 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  POM55  Mimulus floribundus D. L. Crawford 1915-8-14 s.n. Los Angeles Palmer Canyon, Claremont Comment
  RSA582479  Mimulus floribundus Tim S. Ross, S. D. Boyd 1993-5-23 7235 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  RSA799904  Mimulus floribundus Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 7 Los Angeles Glendora Ridge Road. 1313 Comment
  SFV3370  Mimulus fremontii M. L. Vincent 1962-5-7 227 Los Angeles Mojave Desert Highway 0.5 miles from main highway at Pearblossom turnoff to Valyermo. 975 Comment
  RSA0098787  Mimulus guttatus R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA442764  Mimulus guttatus Thekla Mohr 1915-1 3448 Los Angeles North Fork, San Gabriel River. Comment
  RSA442749  Mimulus guttatus Jean Carnine 1932-5-1 s.n. Los Angeles Malibu Lakes. Comment
  RSA640455  Mimulus guttatus Louis C. Wheeler 1967-5-15 9595 Los Angeles San Gabriel Mountains: Elsmere Canyon; bottom of canyon near mouth. 434 Comment
  RSA80463  Mimulus guttatus F. W. Peirson 1920-5-6 2125 Los Angeles Fish Canyon, San Gabriel Mountains 610 Comment
  UCSB28894  Mimulus guttatus Miller, Brian 1963-4-17 Los Angeles Whittier Narrows; San Gabriel River 137 Comment
  RSA535602  Mimulus johnstonii David M. Thompson 1988-5-26 916 Los Angeles San Gabriel Mountains 3.0 miles SE of Valyermo-Big Pines road along Big Rock Creek Road, NE side of road. 1390 Comment
  RSA0056587  Mimulus johnstonii Tim S. Ross 1992-7-16 6707 Los Angeles San Gabriel Mountains: ENE side of Condor Peak. 1549 Comment
  UCR270902  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UC1595436  Mimulus nasutus Tim Ross 1992-7-10 6674 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  RSA582789  Mimulus pilosus Tim S. Ross, S. D. Boyd 1993-5-23 7233 Los Angeles Lower, easterly ridge of Red Mountain, on northerly slope ca 380 m SE of the saddle between Ruby and Clearwater canyons. 963 Comment
  UCR209880  Mimulus pilosus R. G. Swinney 2008-9-9 9320 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  CDA1004  Mirabilis californica D. G. Kelch 1991-3-17 1310 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  SBBG18743  Mirabilis californica E. R. Blakley 1963-4-7 5501 Los Angeles Little Harbor 15 Comment
  RSA609057  Mirabilis californica var. californica Louis C. Wheeler 1931-2-14 s.n. Los Angeles Foothills of San Gabriel Mts. 1 mi E of Liveoak Canyon 457 Comment
  UCR126737  Mirabilis laevis A. C. Sanders, Mark Elvin 2003-4-14 25956 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
  CAS-BOT-BC434620  Mirabilis laevis var. crassifolia Louis C. Wheeler 1931-11-6 322 Los Angeles Foot of hills 1/2 mi. E Palmer Canyon, San Gabriel Mts. 609 Comment
  LA200667  Mirabilis laevis var. crassifolia Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SD69362  Mirabilis laevis var. crassifolia Robert F. Thorne, P. Everett 1965-5-10 34451 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  UC1194911  Mirabilis laevis var. crassifolia Reid Moran 1958-9-18 6848 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 75 Comment
  UC7635  Mirabilis laevis var. crassifolia Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  SEINET892099  Mirabilis laevis var. crassifolia J. E. Deisler 1984-1 643 Los Angeles Santa Catalina Island; west side of islands central ridge, about 2.25 miles southwest of USC Marine Station Comment
  UC284982  Mirabilis laevis var. villosa P. A. Munz 1923-5-26 6823 Los Angeles Big Rock Creek, San Gabriel Mountains 1280 Comment
  UCR186362  Mirabilis multiflora Michael Honer 2007-4-24 2526 Los Angeles Tehachapi Mtns. Foothills, east end of Oso Canyon, c. 1.5 mi. north of Hwy 138 976 Comment
  UCR256610  Mirabilis multiflora var. pubescens Anuja Parikh, Nathan Gale 2011-6-1 3404 Los Angeles Mojave Desert, Antelope Valley, 0.6 km south of Avenue K, 0.2 km east of 90th St. West, under powerlines 760 Comment
  RSA509700  Mirabilis multiflora var. pubescens Louis C. Wheeler 1967-7-23 10182 Los Angeles San Gabriel Mts.: vicinity of Kentucky Springs. 1128 Comment
  UC1537600  Monardella breweri subsp. lanceolata Gordon H. True Jr. 1938-6-22 884 Los Angeles near Bouquet Canyon Dam 304 Comment
  PASA1137  Monardella candicans Florence Brubaker Los Angeles Mint Canyon Comment
  CAS-BOT-BC220138  Monardella exilis Roxana S. Ferris 1918-6-12 925 Los Angeles Lancaster Comment
  RSA20384  Monardella exilis Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9483 Los Angeles 4 miles northeast of Lancaster on the Muroc Road. Comment
  VVC99  Monolopia lanceolata Wandalee Thompson 1964-4-13 96 Los Angeles Foothills near Palmdale. 945 Comment
  RSA252918  Monoptilon bellidiforme R. F. Thorne, C. W. Tilforth 1973-4-20 43062 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  UCD170917  Morus alba R. G. Swinney 2009-3-12 10103 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39. 226 Comment
  RSA674278  Muhlenbergia microsperma LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 713 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 576 Comment
  RSA754606  Muhlenbergia microsperma R. F. Thorne 1980-4-27 54148 Los Angeles Santa Catalina Island. From Blackjack Camp into Cape Canyon Comment
  UCR209272  Muhlenbergia rigens R. G. Swinney 2008-10-7 9481 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA0036976  Muilla maritima R. G. Swinney 2010-5-11 12667 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
  RSA660517  Muilla maritima Lori Ackerman, Gerald Braden 1988-4-22 18 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA757324  Muilla maritima Orlando Mistretta, Christine Mistretta 2008-4-4 2304 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Tuckerway Ranch Road (Segment 5, structure 58 per TRTP survey; 2008) 1089 Comment
  CAS-BOT-BC327742  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Island. Large canyon below the Tomb. 243 Comment
  SFV18073  Myoporum laetum V. A. Devlahovich 1999-4-6 s. n. Los Angeles Santa Susana Mountains Santa Susana Mountains. Stagecoach Trail. 366 Comment
  UCR117678  Myriophyllum spicatum Scott D. White 1997-5-21 5195 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  SEINET8043945 Image available Myriopteris covillei Joseph Cahill 2011-1 111 -07 Los Angeles Transverse Ranges; San Gabriel Mountains: Angeles National Forest, along Glendora Ridge Rd. c. 2.5 miles from southwest of Mount Baldy Village. 1216 Comment
  SBBG132075  Myriopteris newberryi S. A. Junak, B. Collins 1991-4-25 SCI 216 Los Angeles Middle Ranch Cyn, just downstream from cement dam Comment
  SEINET12290167  Myrtaceae W. R. Hamilton 1901-1 s.n. Los Angeles Long Beach Comment
  CAS-BOT-BC259797  Nassella cernua E. R. Blakley 1963-12-7 6346 Los Angeles Channel Islands. San Clemente Island. Canyon between Pyramid Head and Cove, and S of Triangulation Point Guds 30 Comment
  RSA728783  Nassella cernua Gary D. Wallace 1979-4-19 1685 b Los Angeles Mojave Desert, w. of Fairmont along Lancaster Rd. Comment
  SBBG128763  Nassella lepida M. L. Hoefs 1995-5-23 2073 Los Angeles Middle Cyn near jct of Middle Cyn Rd and rd to Camp Cactus 118 Comment
  SBBG95225  Nassella pulchra M. B. Dunkle 1928-3-31 1780 Los Angeles Little Harbor Comment
  SEINET5765464 Image available Nasturtium gambelii Unknown 1904-1 146 Los Angeles Los Angeles Comment
  RSA431549  Nasturtium officinale L. E. Hoffman 1932-8-10 s.n. Los Angeles In stream, Verdugo Woodlands, Glendale Comment
  RSA602673  Navarretia atractyloides L. C. Wheeler 1936-6-8 4131 Los Angeles Bell-W Fork San Dimas Canyon divide, San Gabriel Mountains. 884 Comment
  LA211088  Navarretia hamata subsp. hamata Arthur C. Gibson; Tony Valois, Dan Cooper 2010-6-9 5323 Los Angeles HOLLYWOOD HILLS, In central Griffith Park. Comment
  SFV20779  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 480 Comment
  RSA65001  Nemacaulis denudata var. denudata F. W. Peirson 1951-8-18 1781 Los Angeles Alamitos, Long Beach 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
  RSA730169  Nemacladus sigmoideus R. G. Swinney 1998-6-12 6182 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir. 1500 Comment
  UC1409139  Nemacladus sigmoideus Robert F. Thorne 1973-5-11 43469 Los Angeles 0.25-0.50 mi n Bob's Gap (2.5 mi due s of Llano, n slope of Holcomb Ridge, San Gabriel Mts, Mojave Desert slope); San Gabriel Mts., Holcomb Ridge 1158 Comment
  RSA421310  Nemophila menziesii var. integrifolia Elbert Benjamine 1929-3-31 86 Los Angeles Mint Canyon. Comment
  RSA597768  Nemophila menziesii var. menziesii Steve Boyd, Lauren Raz 1997-3-14 9180 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  UCR184540  Nemophila parviflora var. quercifolia A. C. Sanders, T. B. Salvato 2007-4-24 33504 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  LA32244  Neogaerrhinum kelloggii Henry J. Thompson; 1959-4-12 1918 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 2 mi W of Las Virgenes Rd. 304 Comment
  UC2046897  Nephrolepis cordifolia R. E. Riefner Jr. 2015-12-13 15 -468 Los Angeles City of Malibu, Eastern Malibu, N side Pacific Coast Highway at Carbon Mesa Road W of Carbon Canyon Road. Comment
  RSA584117  Nerium oleander T. S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 2990 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  UCR189836  Nicotiana attenuata R. G. Swinney 1998-8-31 6882 Los Angeles San Gabriel Mtns., San Antonio Ridge, 2.1 mi. west of West Mt. Baldy 2232 Comment
  CATA3192  Nicotiana glauca Julia Parish, Amy Catalano 2016-9-22 010 Los Angeles Santa Catalina Island: West End Road, crossing in Parsons Landing Canyon, on N side of road 65 Comment
  RSA654421  Nicotiana glauca Matt Brooks 1988-5-12 57 Los Angeles Whittier, Turnbull Canyon Rd. 0.4 miles east of its intersection with Beverly Blvd. Comment
  SBBG12486  Nicotiana glauca E. R. Blakley 1961-9-23 4718 Los Angeles SE side of Catalina Harbor 15 Comment
  UC215498  Nicotiana glauca A. R. Davis 1915-6-30 Los Angeles Claremont 365 Comment
  UC535346  Nicotiana glauca Ira W. Clokey, B. Templeton Jun 1929 4583 Los Angeles Mandeville Canyon; Santa Monica Mountains 150 Comment
  LA202437  Nicotiana quadrivalvis Arthur C. Gibson; 2006-7-11 5113 Los Angeles SANTA MONICA MOUNTAINS, grounds of the former Soka University on Mulholland Hwy. Comment
  LA201537  Oenothera biennis Arthur C. Gibson; 2003-9-2 4891 Los Angeles Santa Monica Mountains, Franklin Canyon, near amphitheater Comment
  UCR191715  Oenothera californica A. C. Sanders 2008-4-18 34955 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth, beside dirt road 974 Comment
  CAS-BOT-BC167054  Oenothera californica E. E. Morse 1940-5-19 s.n. Los Angeles [Mohave] Mojave Desert between Palmdale & Piute Butte Comment
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  SBBG61334  Oenothera californica subsp. californica R. Hoffmann 1927-6-14 Los Angeles Chandler's Comment
  UC20406  Oenothera californica subsp. californica H. M. Hall 1896-8-7 296 Los Angeles Schwartout Canyon San Antonio Mountains (summit) 2042 Comment
  RSA600519  Oenothera californica subsp. californica Louis C. Wheeler 1956-9-14 7232 Los Angeles San Gabriel Mountains: Prairie Fork. Comment
  RSA0018731  Oenothera elata subsp. hirsutissima LeRoy Gross, Evan Meyer, Bart O Brien 2013-10-17 6203 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  UCR210333  Oenothera elata subsp. hirsutissima R. G. Swinney 2008-11-29 9859 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
  POM355617  Oenothera elata subsp. hirsutissima Geo. L. Moxley 1916-7-4 361 Los Angeles Arroyo Seco Canyon. Comment
  CATA3137  Oligomeris linifolia Sarah Ratay 2010-8-3 130 Los Angeles Santa Catalina Island: Northwestern slope in Wild Boar Gully exclosure 208 Comment
  CATA3444  Oligomeris linifolia Benjamin J. Dion, Tobias Nickel 2017-5-11 026 Los Angeles Santa Catalina Island: Pacific Side; edge of cliff in Cactus Bay watershed 331 Comment
  RSA0097794  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill. 280 Comment
  UCR269878  Opuntia basilaris var. brachyclada R. G. Swinney 2011-6-29 15339 Los Angeles San Gabriel Mountains, mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  RSA661004  Opuntia ficus-indica LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 396 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
  POM244225  Opuntia littoralis F. R. Fosberg 1931-5-18 S 4892 Los Angeles Santa Catalina Island, Little Harbor 3 Comment
  RSA604538  Opuntia vaseyi L. C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Gordon Canyon, Bluebird Truck Trail. 464 Comment
  UCR209527  Oreonana vestita R. G. Swinney 2008-7-3 9158 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  RSA0059171  Orobanche bulbosa Orlando Mistretta, Steve D. Boyd, Darin L. Banks 1994-4-29 1094 Los Angeles San Gabriel Mountains. Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N. of Forest Road 4N20. 152 Comment
  SD111598  Orobanche fasciculata W. P. Armstrong 1982-6-12 Los Angeles Southeast firebreak ridge of Lookout Mountain. 1790 Comment
  RSA0066502  Orobanche fasciculata Tim Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3801 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UCR95592  Orobanche parishii subsp. parishii Steve Boyd, Mark Elvin, V. Jotikasthira 1996-6-25 8888 Los Angeles Liebre Mtns., along summit of Sawmill Mountain, west of Sawmill camp and just north of 7N23 1610 Comment
  RSA0070927  Orobanche valida subsp. valida R. T. Hawke 1992-5-17 s.n. Los Angeles San Gabriel Mountains, north side of the range at Big Rock Creek along the trail from South Fork Campground to Islip Saddle. Comment
  RSA407969  Orthocarpus purpurascens Fordyce Griffiths Jr. 1910-04 3463 Los Angeles San Rafael Mts. Comment
  CAS-BOT-BC355756  Osmadenia tenella Alice Eastwood 1906-5-27 11 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  UC213217  Osmorhiza berteroi I. M. Johnston 1918-7-6 2084 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 2133 Comment
  RSA601031  Osmorhiza berteroi L. C. Wheeler 1966-9-21 8919 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring 2439 Comment
  RSA669694  Osmorhiza brachypoda LeRoy Gross 2002-4-28 536 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  CATA1467  Oxalis articulata subsp. rubra Mark L. Hoefs, Robert F. Thorne 1996-4-6 2652 Los Angeles Santa Catalina Island: Metropole Street in alley-way by book store and across from fire station, Avalon 9 Comment
  RSA775131  Oxytheca caryophylloides Orlando Mistretta, Christine Mistretta 2010-6-7 5270 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  CAS-BOT-BC318205  Packera breweri T. Ross; S. Boyd 1993-5-23 7260 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m ssw of Plum Spring (in upper 908 Comment
  POM8021  Papaver californicum F. L. Robinson 1918-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  UCD95988  Papaver californicum Gene Bishop 1994-5-19 T 7 Los Angeles Topanga Canyon, halfway between coast and Calabasas. Comment
  CATA3046  Papaver heterophyllum Amy Catalano, Tyler Dvorak and Tomas Setubal 2016-3-25 057 Los Angeles Santa Catalina Island: North-facing slope above Fern Canyon, about 0.5 miles up canyon, mid-slope 217 Comment
  SEINET10891655  Papaver somniferum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2585 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  SEINET3225273 Image available Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch (study area 28), near mouth of Potrero Canyon (Val Verde 7.5' Q.). 259 Comment
  UCR86543  Parapholis incurva T. S. Ross 1992-4-14 6183 Los Angeles San Clemente Island, Lemon Tank Road, c. 25 m ESE of its intersection with the main N-S island road. 341 Comment
  SBBG13301  Parietaria hespera var. californica M. A. Piehl 1962-6-10 62391 Los Angeles cyn E of Thirst 304 Comment
  UCR19660  Paspalum dilatatum John C. Roos 1947-5-11 3605 Los Angeles Los Angeles; lawn in Hollenbeck Park 91 Comment
  SEINET10952305  Passiflora foetida S. Krosnick 2008-7-27 Krosnick 449 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #109 in Honduras Comment
  RSA661080  Pectocarya linearis Orlando Mistretta 1992-4-5 188 Los Angeles Guds, San Clemente Island. Comment
  SD253409  Pectocarya penicillata R. G. Swinney 2011-4-1 14299 Los Angeles San Gabriel Mts./SW Mojave Desert: WSW of Littlerock, Cheseboro Canyon, 0.4 mile S of California Aqueduct, 20-200 m west of Cheseboro Road (Palmdale 7.5'Q) 890 Comment
  RSA674638  Pectocarya recurvata Scott D. White, Kent Hughes 2000-5-16 7861 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  CHSC99839  Pectocarya setosa LeRoy Gross 2005-5-3 2212 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, then back to 34.47336N, 117.86053W. T4N, 5N R9W, 10W S6, 1,31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. 1119 Comment
  SEINET2441553  Pectocarya setosa R. G. Swinney 2008-5-8 8789 Los Angeles San Gabriel Mtns.: West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. (Valyermo 7.5' Q.). 1264 Comment
  RSA0115699  Pediomelum californicum Andrew C. Sanders 2006-5-16 32318 Los Angeles Transverse Range; Liebre Mtns. Region: 0.5 mi west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  RSA592605  Pellaea andromedifolia Mark Hoefs 1973-3-17 128 Los Angeles Santa Catalina Island: hanging from slope near Ben Weston Beach Road. 60 Comment
  RSA686733  Pellaea andromedifolia Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  LA3469  Pellaea andromedifolia Carl Epling; 1926-4-10 sn Los Angeles Simi Hills, Santa Susana Pass Comment
  RSA0112552  Pellaea mucronata var. mucronata R. G. Swinney 2011-6-15 15173 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy. 1585 Comment
  UC1922763  Pennisetum clandestinum LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2456 Los Angeles [Transverse Ranges; Verdugo Mountains region]; North side of the range. Whiting Woods road about three quarters to the main crest. Near. 671 Comment
  RSA653522  Pennisetum setaceum LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. 365 Comment
  RSA712716  Pennisetum setaceum A. C. Sanders 2003-3-14 25757 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
  UCR252888  Penstemon centranthifolius R. G. Swinney 2010-5-11 12650 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
  RSA640330  Penstemon centranthifolius Louis C. Wheeler 1931-7-1 s.n. Los Angeles San Gabriel Mountains: 200 yards east of Baseline and ? Comment
  RSA0081368  Penstemon grinnellii R. G. Swinney 2011-7-21 15535 Los Angeles Strawberry Peak summit. 1860 Comment
  SBBG66574  Penstemon grinnellii Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UCR270102  Penstemon grinnellii R. G. Swinney 2011-7-21 15535 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  POM4205  Penstemon grinnellii subsp. grinnellii C. F. Baker 1909-2-15 5244 Los Angeles Mountains near Claremont Comment
  RSA741  Penstemon heterophyllus J. T. Howell 1928-6-29 1015 Los Angeles Near Seminole Hot Springs. Santa Monica Mountains 305 Comment
  POM50432  Penstemon heterophyllus subsp. australis L. R. Abrams 1901-4-8 s.n. Los Angeles Arroyo river near PasadenaArrowhead Hotsprings and immediate vicinity, Coldwater Canyon and Strawberry Creek ca. 1/2 mile E of the old Arrowhead Hot Springs Hotel. Comment
  RSA0085080  Penstemon heterophyllus var. heterophyllus R. M. Straw 1953-5-9 426 Los Angeles Head of San Dimas Canyon, San Gabriel Mountains. 1250 Comment
  SD11886  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR272968  Penstemon labrosus R. G. Swinney 2011-7-29 15579 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  SFV18197  Penstemon laetus P. Wilson, S. Kimball, L. Malessa (1) 2000-6-12 s. n. Los Angeles San Gabriel Mountains Millard Canyon, north of Altadena. 1400 Comment
  SD37428  Penstemon palmeri var. palmeri Frances Mc Cullock 1931-5-4 2055 c Los Angeles Tye Canyon, San Gabriel Range Comment
  RSA774604  Penstemon rostriflorus R. G. Swinney 2009-7-29 11416 Los Angeles Pacifico Mountain summit. 2134 Comment
  SEINET10547610  Penstemon rostriflorus Scott Zona, D. Arias; Oscar R. Dorado R.; M. Hanson; Jose Luis Villasenor R. 1921-1 Zona 323 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2018 Comment
  RSA756152  Penstemon spectabilis R. G. Swinney 2008-7-13 9183 Los Angeles San Dimas Experimental Forest, west fork of Bell Canyon at debris basin 732 Comment
  UC887344  Penstemon spectabilis Louis C. Wheeler 1932-7-2 905 Los Angeles Browns Flat San Gabriel Mts., Browns Flat 1310 Comment
  RSA401815  Penstemon spectabilis Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA401904  Penstemon spectabilis subsp. subviscosus L. E. Hoffman 1927-8-16 s.n. Los Angeles Upper Arroyo Seco, near Switzer's Camp. Under Club Pk. 1159 Comment
  UCR197180  Penstemon spectabilis subsp. subviscosus Valerie Soza, LeRoy Gross 2001-5-9 1200 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  LA51900  Penstemon spectabilis var. subviscosus N. M. Gauss; 1961-5-14 25 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr, 0.4 mi E of Topanga Canyon Blvd. 335 Comment
  CAS-BOT-BC6555  Pentachaeta lyonii William S. Lyon 1884-4-1 685 Los Angeles Palos Verdes Mt. (near San Pedro) Comment
  RSA0070716  Pentagramma triangularis D. Taylor 1952-05 s.n. Los Angeles Little Dalton Canyon. San Gabriel Mountains, San Gabriel River drainage. 457 Comment
  LA94183  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1673 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  LA94200  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1702 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek Rd. S of Mulholland Hwy, just N of Cold Creek and E of road. 304 Comment
  UCSB62239  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 mi. up from confluence with So. Fk. 1341 Comment
  UCSB62247  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-10-1 Los Angeles San Gabriel Mtns., no. of Pacifico Mtns., Santiago Cyn. ca. 1/2 mi. north of the campground 1158 Comment
  UC1375300  Perideridia parishii subsp. latifolia Robert F. Thorne 1971-8-25 41307 Los Angeles Windy Spring San Gabriel Mts., Angeles National Forest, Mt. Islip (n slope of mt.) 2255 Comment
  RSA771579  Perideridia pringlei R. G. Swinney 2009-5-6 10655 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  CAS-BOT-BC73759  Peritoma arborea var. arborea Timothy S. Ross; J. Mark Porter 1995-5-4 8410 Los Angeles Liebre Mountains, Texas Canyon - ca. 1.9 road miles NE of Bouquet Canyon Road. USGS 7.5' Green Valley Quadrangle 585 Comment
  CAS-BOT-BC73766  Peritoma arborea var. arborea June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island - Giddings Hill Comment
  SD27739  Peritoma arborea var. arborea Carl B. Wolf 1932-5-9 3454 Los Angeles Santa Catalina Island; Pebbly Beach. 29 Comment
  SD72860  Peritoma arborea var. arborea F. R. Fosberg 1930-2-12 S 4208 Los Angeles Mint Canyon, San Gabriel Mountains. Comment
  LA33810  Persicaria lapathifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14636 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  OBI10855  Persicaria lapathifolia H. E. McMinn 1924-7-23 1357 Los Angeles Along San Gabriel River near Whittier Comment
  CAS-BOT-BC134019  Phacelia Blanche Trask 1898-4-1 s.n. Los Angeles Avalon, Santa Catalina Island. West End Comment
  SFV4901  Phacelia brachyloba M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along Cold Creek Road just north of Monte Nido. 274 Comment
  UCR51948  Phacelia brachyloba Steve Boyd, T. S. Elias 1987-4-14 2067 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora 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
  LA38555  Phacelia cicutaria var. hispida Carl Epling; 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR209285  Phacelia cicutaria var. hispida Dan S. Cooper 2009-5-30 509- 08 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  RSA587403  Phacelia curvipes Orlando Mistretta 1995-4-5 1596 Los Angeles Drainage W of Little Rock Creek Reservoir 1037 Comment
  RSA729566  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  RSA777519  Phacelia davidsonii R. G. Swinney 2009-5-27 10865 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  RSA587513  Phacelia distans Orlando Mistretta 1995-3-24 1558 Los Angeles San Gabriel Mountains: Carr Canyon. 1067 Comment
  UC1211051  Phacelia distans Huron H. Smith 1912-5-9 4954 Los Angeles beach Redondo Comment
  UCR223774  Phacelia distans R. G. Swinney 2009-6-17 11179 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  POM73561  Phacelia distans H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  RSA650533  Phacelia distans G. F. Orr 1956-4-5 s.n. Los Angeles UCLA, West Los Angeles. In campus in garden bed near temporary buildings. 91 Comment
  UC697766  Phacelia distans Kay H. Beach 1943-4-21 1753 Los Angeles mouth of Big Dalton Canyon San Gabriel Mts. 335 Comment
  RSA570285  Phacelia douglasii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4962 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  SBBG12264  Phacelia floribunda P. H. Raven 1962-7-12 18037 Los Angeles W end of Northwest Harbor 15 Comment
  SFV9382  Phacelia fremontii M. L. Vincent, L. Swade 1964-4-2 488 Los Angeles San Gabriel Mountains Valyermo Road, about 1 mile north of Pallett Road. 1080 Comment
  UCR124676  Phacelia fremontii B. C. Templeton, I. W. Clokey 1930-4-8 1033 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA586624  Phacelia fremontii Tim S. Ross, Steve Boyd 1991-3-23 4278 Los Angeles Northeastern-most corner of the county, ca. 3 mi. SSE of Jackrabbit Hill (Kern Co.), (ca. 1.45 mi. S of Kern Co. line and 0.2-0.5 mi. W of San Bernardino Co. line). 878 Comment
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  CDA40371  Phacelia grandiflora T. C. Fuller & T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Chaney Trail above Altadena. 0 Comment
  UC107477  Phacelia hubbyi T. S. Brandegee 1890-5-8 Los Angeles San Pedro Comment
  RSA779986  Phacelia imbricata R. G. Swinney 2009-6-17 11211 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR179453  Phacelia imbricata R. G. Swinney, Dave Larson 1996-7-17 5120 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA428026  Phacelia imbricata subsp. imbricata G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  UC1375327  Phacelia imbricata subsp. imbricata Robert F. Thorne and C. W. Tilforth 1971-6-29 40702 Los Angeles along creek at Tie Canyon where crossed by Angeles Forest Rd San Gabriel Mts. Angeles National Forest, Aliso Creek 1371 Comment
  UCR206163  Phacelia longipes R. G. Swinney 2008-6-2 8918 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.3 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UC1282134  Phacelia longipes Victor Duran 1933-7-27 3539 Los Angeles at Burchham Creek Little Rock Creek 1737 Comment
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Feb 8 2007
  RSA191112  Phacelia minor Robert F. Thorne 1967-6-25 37096 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA703200  Phacelia minor LeRoy Gross 2005-2-15 1397 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  RSA772156  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  RSA597  Phacelia parryi J. T. Howell 1928-6-29 1000 Los Angeles Seminole Hot Springs Road, Santa Monica Mountains 457 Comment
  RSA305022  Phacelia parryi John O Leary 1979-4-23 s.n. Los Angeles 0.5 mile E of Charmlee Park and 0.25 mile N or Encinal Canyon Road 579 Comment
  POM3702  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  LA38548  Phacelia tanacetifolia Carl Epling; March 1925 6503 Los Angeles Santa Monica Mountains, Griffith Park 121 Comment
  UCR99492  Phacelia viscida Steve Boyd, Lauren Raz 1997-5-6 9722 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  SBBG57138  Phalaris minor M. N. Ackley -May-1928 37 Los Angeles southwest flats, Los Angeles 38 Comment
  SD240811  Phalaris minor Dave Silverman, Jeff Jarvis & Colleen Martin 2010-5-19 8017 Los Angeles Antelope Valley, north of Lancaster, 25 m west of Sierra Highway, 180 m north of Avenue F. 701 Comment
  SEINET10657415  Phalaris minor Robert F. Thorne 1973-4-12 Thorne 42891 Los Angeles San Clemente Island: roadside among old buildings at old airfield, grassland 244 Comment
  UCR281414  Phoenix canariensis R. G. Swinney 2014-5-19 16592 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  RSA25957  Pholisma arenarium W. D. Pierce 1941-06 117 Los Angeles El Segundo. Comment
  SEINET4080669  Pholistoma auritum R. Moran 1941-1 684 Los Angeles Middle Ranch, Santa Catalina Island. 200 Comment
  UC284096  Pholistoma auritum S. B. Parish 1919-4-19 19262 Los Angeles Lone Hill near San Dimas; Lone Hill Comment
  POM126463  Pholistoma racemosum George B. Grant 1904-04 3671 Los Angeles Santa Catalina Island. Comment
  RSA3551  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA459313  Pholistoma racemosum M. B. Dunkle 1929-4-6 2081 Los Angeles Equestrian Trail; Santa Catalina Island. Comment
  UC702045  Pholistoma racemosum Harlan Lewis 1946-5-2 104 Los Angeles summit w. of Avalon; Santa cataline Isl. Comment
  POM158325  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Santa Catalina Island. 122 Comment
  LA209891  Phoradendron leucarpum subsp. tomentosum Betty Studt; 1938-10-1 sn Los Angeles San Gabriel Mountains, Crystal Lake Comment
  RSA133209  Phoradendron macrophyllum Del Wiens 1958-12-10 2428 Los Angeles Mouth of Cobal Canyon, north of Claremont. 427 Comment
  CAS-BOT-BC141154  Phoradendron serotinum subsp. macrophyllum Louis C. Wheeler 1932-1-8 432 Los Angeles 2 mi SW Glendora 198 Comment
  CAS-BOT-BC141307  Phoradendron serotinum subsp. tomentosum Del Wiens 1960-6-10 2716 Los Angeles Cobal canyon, N of Claremont 396 Comment
  POM354330  Phoradendron villosum Elbert Benjamine 1929-3-24 105 Los Angeles Mint Canyon. Comment
  RSA549502  Phoradendron villosum Tim S. Ross, Steve D. Boyd 1990-6-18 3484 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  RSA587527  Phoradendron villosum Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1101 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  UCR65261  Phyllospadix torreyi F. R. Fosberg 1931-4-12 S- 4575 Los Angeles Channel Islands, Santa Catalina Island, Jewfish Point 0 Comment
  RSA601637  Picris echioides L. C. Wheeler 1967-6-26 9871 Los Angeles Elsmere Canyon. 441 Comment
  UCSB31763  Pinus contorta subsp. murrayana Filice, Diane 1965-5-15 Los Angeles 23.7 mi. from La Canada on Angeles Crest, San Gabriel Mountains 1676 Comment
  RSA588702  Pinus halepensis Orlando Mistretta 1995-7-12 1914 Los Angeles Little Rock Creek 1159 Comment
  CAS-BOT-BC78864  Pinus monophylla Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3720 Los Angeles Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  RSA588866  Pinus monophylla Orlando Mistretta 1994-9-21 1487 Los Angeles Santiago Canyon at jct. of Forest Rd. 4N20 with Santiago Creek. 1220 Comment
  POM184701  Pinus ponderosa Joseph A. Ewan 1932-5-29 7218 Los Angeles Open forest on summit of Mt. Gleason 1890 Comment
  POM308084  Pinus ponderosa Henry J. Ramsey, Henry J. Ramsey 1940-10-13 2913 Los Angeles San Gabriel Mountains. Angeles Crest Hwy. 1524 Comment
  RSA382802  Piperia cooperi M. B. Dunkle 1931-4-23 2448 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  RSA577896  Piperia cooperi Louis C. Wheeler 1933-5-5 1694 Los Angeles San Gabriel Mountains, Fish Canyon. 290 Comment
  UCR2596  Piptatherum miliaceum F. M. Reed 1925-6-18 5131 Los Angeles Foothill Boulevard on Baldwin Ranch, west of Arcadia 244 Comment
  RSA589275  Plagiobothrys arizonicus T. S. Ross 1991-4-28 4762 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  SDSU21094  Plagiobothrys arizonicus Ian Cain, Bruce Lund 2010-5-10 1403 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  UCR126749  Plagiobothrys canescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26227 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  UCR185569  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2007-4-25 33526 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon 1006 Comment
  UCR93299  Plagiobothrys canescens T. S. Ross, Janet Takara, Stacey Otte 1993-4-24 6954 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, on main east-west ridgetop; upper NW slope of Silver Peak (= West Peak Triangulation Point, 1804 ft.) 527 Comment
  RSA626106  Plagiobothrys canescens LeRoy Gross 1999-4-10 130 Los Angeles Sierra Pelona: Along road, on Mint Canyon Road close to Petersen Road off of Sierra Highway. City of Agua Dulce. 853 Comment
  CATA898  Plantago coronopus Mark L. Hoefs, Robert F. Thorne 1992-4-1 1731 Los Angeles Santa Catalina Island: Emerald Bay 6 Comment
  RSA3707  Plantago coronopus Carl B. Wolf 1932-5-11 3554 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
Read comments
Jan 23 2014
  RSA188359  Plantago erecta Robert F. Thorne, Percy C. Everett 1965-6-24 35029 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
  RSA590416  Plantago erecta Tim S. Ross 1993-4-21 6846 Los Angeles Santa Catalina Island, SW part of the Island along major EW ridge between Carlos 992ft and Cactus Peak 1560ft. 2750ft WNW of Cactus Peak summit. 436 Comment
  RSA618727  Plantago erecta Scott D. White 1998-5-19 6516 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SDSU1029  Plantago erecta R. M. Beauchamp 1967-3-20 377 Los Angeles Above Abalone Point, South of Avalon. Comment
  SEINET12316787  Plantago heterophylla C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  RSA68978  Plantago hirtella var. galeottiana F. W. Peirson 1179 Los Angeles Near Kewen Lake, Pasadena Comment
  UCR149302  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  UCR199943  Plantago indica Scott D. White, Justin Wood 2008-5-19 12017 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  CAS-BOT-BC344982  Plantago major Duncan S. Bell; Caitlin Elam; Evan Meyer 2013-6-13 5150 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the SW flanks of Mount San Antonio. 898 Comment
  RSA671265  Plantago major F. R. Fosberg, J. D. Ewan 1931-8-13 S- 5550 Los Angeles Big Cienega, Pine Flats. San Gabriel Mtns. 2000 Comment
  POM155890  Plantago major L. R. Abrams 1904-9-2 4172 Los Angeles Los Angeles River. Comment
  SBBG38671  Plantago ovata var. insularis M. B. Dunkle 1939-4-5 7269 Los Angeles China Pt Comment
  SEINET11448299  Platanthera dilatata var. leucostachys F. R. Fosberg, Ewan, J. 1931-1 Los Angeles Windy Camp Spring, Mount Islip 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
  SEINET3892861  Platanthera sparsiflora R. G. Swinney 1998-7-14 6415 Los Angeles San Gabriel Mtns.: Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi south of Camp Lupine (Mount San Antonio 7.5' Q.:).; 0 2195 Comment
  CAS-BOT-BC93178  Platanus racemosa Geo. B. Grant 1904-5-10 1007 /6169 Los Angeles Pasadena. Comment
  CAS-BOT-BC93187  Platanus racemosa Joseph Andorfer Ewan 1937-8-23 11050 Los Angeles San Gabriel Mountains. Tijuga Creek near mouth of canyon. Comment
  POM153294  Platanus racemosa P. A. Munz, I. M. Munz 1928-9-29 11181 Los Angeles Rock Creek 1159 Comment
  UCR192586  Platystemon californicus A. C. Sanders 2008-4-10 34798 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR259686  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10717 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  SEINET12102785  Platystemon californicus J. F. Bright, Wyman, C. 1931-1 5283 B Los Angeles Collected in Antelope Valley Comment
  SBBG69562  Plectritis ciliosa subsp. insignis R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  SD69033  Pluchea odorata var. odorata Robert F. Thorne 1966-9-15 36677 Los Angeles Santa Catalina Island; small marsh in depression on slopes above Parson's Landing, northwest end of island. 46 Comment
  CAS-BOT-BC244432  Poa annua A. C. Sanders; Dan S. Cooper 2010-3-12 37385 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  RSA0031848  Poa annua Louis Van Velzen 1987-5-11 87 -01 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. and 210 Fwy. Comment
  RSA595802  Poa annua Lauren Raz, Steve Boyd 1996-10-23 51 Los Angeles Liebre Mountains. Ruby Canyon, just west of junction of Forest Service Road 6N24 with Lake Hughes Road, at confluence with Elizabeth Lake Canyon. 609 Comment
  RSA0105006  Poa howellii R. G. Swinney 2011-5-19 14770 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA595323  Poa pratensis subsp. pratensis D. L. Banks 1996-4-24 909 Los Angeles Claremont, localized escape in the lawn at the corner of Doane Ave. & Guilford Ave. Comment
  RSA757054  Poa secunda R. G. Swinney 2008-6-17 9061 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UCR68905  Poa secunda Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4200 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  CAS-BOT-BC236205  Poa secunda subsp. secunda L. R. A. 1901-4-1 1262 Los Angeles Santa Monica Mountains Comment
  HSC12179  Poa secunda subsp. secunda F. R. Fosberg 1931-3-24 4343 Los Angeles Hamilton's Canyon, Santa Catalina Island. 0 Comment
  UC147964  Polycarpon depressum C. F. Baker 1909-5-20 5327 Los Angeles Comment
  CHSC98099  Polycarpon tetraphyllum LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1034 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: West side of Brand Canyon just a short distance above the cemetery. Shady canyon site next to stairs that go up to an old foundation. 307 Comment
  RSA460145  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 19271 Los Angeles Malibu Creek Comment
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Apr 30 2011
  UCR95275  Polygonum aviculare L. C. Wheeler 1966-10-6 8956 Los Angeles San Gabriel Mtns., Islip Saddle, Angeles Crest Hwy 2043 Comment
  RSA611980  Polygonum punctatum Valerie L. Soza, Laura Moore 1997-8-16 57 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  LA4266  Polypodium californicum A. M. Johnson; 1934-3-16 4346 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  POM12517  Polypodium californicum E. S. Spalding 1921-3-28 121 Los Angeles San Dimas Canyon Comment
  UCSB62380  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills, near Pomona Comment
  POM12505  Polypodium californicum M. L. Kendall 1921-3-19 86 Los Angeles Puddingstone Canyon, San Dimas Comment
  RSA526643  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4216 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side. Comment
  UCSB62304  Polypodium californicum Kiefer, Lawrence 1967-4-30 Los Angeles San Gabriel Mtns., N of Sierra Madre, N fork of Big Santa Anita Canyon, vicinity of upper Sturtevant Falls, ca. 3/4mi up from confluence of main stream 853 Comment
  UCSB62341  Polypodium californicum Kiefer, Lawrence 1967-4-8 Los Angeles San Gabriel Mtns., NW Mt. Wilson Falls Canyon, tributary of W fork of San Gabriel River, ca. 1/2mi up from confluence 1127 Comment
  CAS-BOT-BC232421  Polypogon monspeliensis R. D. Alderson No date on label 375 Los Angeles Witch Creek [?] Comment
  RSA693294  Polystichum imbricans subsp. imbricans Robin S. Collins 1973-5-28 302 Los Angeles Angeles National Forest: Trail Canyon, ca. 3 miles into canyon from beginning of pack trail. 976 Comment
  UCR74184  Populus balsamifera subsp. trichocarpa Scott D. White 1992-10-8 897 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
  CAS-BOT-BC102554  Populus fremontii Le Roy Abrams; E. A. McGregor 1908-6-20 412 Los Angeles Liebre Mountains, Elizabeth Lake Comment
  RSA92888  Populus fremontii subsp. fremontii F. W. Peirson 1919-3-30 386 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 442 Comment
  POM50831  Potamogeton foliosus A. D. E. Elmer 1902-06 3503 Los Angeles Lancaster. Comment
  LA34193  Potamogeton pectinatus Peter H. Raven; Henry J. Thompson 1959-10-18 14672 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  CAS-BOT-BC453947  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  LA52093  Potentilla glandulosa subsp. glandulosa Carl Epling; Harvey Anderson 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CATA419  Primula clevelandii var. insularis Sara L. Crockett 1997-1-18 556 Los Angeles Santa Catalina Island: Knobby ridge 0.6 miles WSW of Coach Road (to Airport), from point 0.2 miles W of jct. with Middle Ranch Road; (3)70(500) Easting, (36)92(700) Northing 423 Comment
  RSA453210  Prunus emarginata Bonnie C. Templeton 1933-5-15 5142 Los Angeles East Blue Ridge, Big Pines Park, San Gabriel Mountains. 2134 Comment
  SD212714  Prunus ilicifolia Jennifer H. Jones 2006-6-4 370 Los Angeles Foothills of San Gabriel Mountains: Southwest of Claremont Wilderness Park near the West end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. Base of Northeast facing slope, South of road. 476 Comment
  UCR255515  Prunus ilicifolia Dan S. Cooper 2014-6-26 614- 25 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  UCR277023  Prunus ilicifolia R. G. Swinney 2010-5-25 12911 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA596230  Prunus ilicifolia subsp. ilicifolia Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3390 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA653895  Prunus ilicifolia subsp. ilicifolia Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 823 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 366 Comment
  CAS-BOT-BC154554  Prunus ilicifolia subsp. lyonii Carl B. Wolf 1932-5-11 3574 Los Angeles Santa Catalina Island. Cherry Valley between the road and ocean 30 Comment
  CAS-BOT-BC154565  Prunus ilicifolia subsp. lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 386 Los Angeles Vicinity of Mosquito Harbor. San Clemente Island Comment
  SBBG12128  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-7-10 17972 Los Angeles upper reaches of Cave Cyn, in large cyn draining SW from Thirst Comment
  SBBG13619  Prunus ilicifolia subsp. lyonii P. H. Raven 1962-5-2 17828 Los Angeles near mouth of Cherry Cyn Comment
  UCR65554  Prunus lyonii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 796- 11 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  CAS-BOT-BC159727  Prunus occidentalis Geo. B. Grant 1901-4-1 1045 Los Angeles Santa Catalina Isl. Comment
  RSA529292  Pseudognaphalium biolettii Timothy S. Ross 1991-4-8 4461 Los Angeles Elephant Hill; western Pomona. 229 Comment
  SBBG96976  Pseudognaphalium biolettii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4328 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  SD39784  Pseudognaphalium biolettii Edith A. Purer 1931-2-21 Los Angeles El Segundo Comment
  UCR261386  Pseudognaphalium biolettii R. G. Swinney 2010-2-27 11719 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
  UCR91379  Pseudognaphalium biolettii Scott D. White 1995-3-15 2549 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA195397  Pseudognaphalium biolettii I. L. Wiggins 1949-2-21 11957 Los Angeles San Clemente Island: Wilson's Cove Comment
  UC469109  Pseudognaphalium microcephalum unknown 1902-5-1 Los Angeles Laurel Canon Comment
  UC1211114  Pseudotsuga macrocarpa Huron H. Smith 1912-4-30 4855 Los Angeles top Mt. Wilson 2034 Comment
  UCR151009  Pteris vittata Scott D. White 1997-5-8 5081 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  UC699692  Pteris vittata Kay H. Beach 1943-12-15 1900 Los Angeles stream at Shelter House (just above Flume V.); San Dimas Exerimental Forest, San Dimas Canyon Comment
  CATA1627  Pterostegia drymarioides Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2900 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 332 Comment
  HSC101300  Pterostegia drymarioides R. G. Swinney 2009-3-19 10146 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  RSA65370  Pterostegia drymarioides F. W. Peirson 17 Los Angeles Devils Gate, Arroyo Seco, Pasadena Comment
  SD236384  Pterostegia drymarioides Kai T. Palenscar 2008-4-3 Los Angeles San Bernadino Mountains: city of San Bernadino, Little Mountain east of Hwy I-215 and north of Hwy I-210. 430 Comment
  UC850468  Pterostegia drymarioides Ira W. Clokey, B. Templeton Mar. 1929 4523 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 350 Comment
  UCR101722  Pterostegia drymarioides B. G. Pitzer 1998-5-23 3756 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UC484282  Pycnanthemum californicum Ernest Braunton Sept. 1928 1022 Los Angeles 20 mi up San Gabriel Canyon 609 Comment
  RSA0080563  Pyrola dentata Jane Tirrell 2012-8-3 LS 0148 Los Angeles South side California State Route 2, in cluvert at mile marker 66.43. 2233 Comment
  UC123925  Pyrostegia venusta E. B. Babcock 1904-12-29 Los Angeles Los Angeles Comment
  RSA0003725  Quercus X grandidentata Joseph A. Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T.&S.F. tracks at mouth of Sawpit Canyon (i.e. Monrovia C.) 229 Comment
  CAS-BOT-BC104385  Quercus X macdonaldii C. E. Miller 1919-1-1 s.n. Los Angeles Catalina Island Comment
  SDSU6984  Quercus X macdonaldii R. M. Beauchamp 1966-8-8 47 Los Angeles On bank overlooking road south of Avalon. Santa Catalina Island. 122 Comment
  CAS-BOT-BC45669  Quercus agrifolia Alice Eastwood 1923-10-1 s.n. Los Angeles Hollywood Comment
  CHSC95782  Quercus agrifolia LeRoy Gross; Naomi Fraga 2002-4-4 518 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and 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. 468 Comment
  RSA0085286  Quercus agrifolia R. G. Swinney 2010-8-16 13529 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  UC1135346  Quercus agrifolia F. H. Raymond 1930-1-13 21 Los Angeles Head of Puerco Canyon Calabasas Quad. 243 Comment
  SEINET12030955  Quercus agrifolia W. R. Hamilton 1907-1 s.n. Los Angeles near Long Beach Comment
  RSA656216  Quercus agrifolia var. agrifolia Joseph M. Keefe 1978-4-11 22629 Los Angeles Verdugo Mountains: Verdugo Park, 1601 North Verdugo Road, Glendale. 183 Comment
  RSA671252  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2000-8-29 20 -750 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  LA105103  Quercus berberidifolia Barry A. Prigge; 1988-7-9 8278 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, 0.4 mi SE of N-jtn of Mulholland Hwy and Old Topanga Rd, S of Calabasas High School. 377 Comment
  POM18607  Quercus berberidifolia E. S. Spalding 1921-4-9 XIX- 4 d Los Angeles Ganesha Hills, Pomona. Comment
  POM18615  Quercus berberidifolia E. S. Spalding 1921-2-26 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  RSA476595  Quercus berberidifolia Alva Watry 1931-5-10 s.n. Los Angeles Rattlesnake Canyon 1067 Comment
  RSA571670  Quercus chrysolepis Louis C. Wheeler 1932-4-16 629 Los Angeles W fork Santa Anita Canyon 915 Comment
  RSA652308  Quercus chrysolepis Matt Bogdanoff 1981-5-27 38 Los Angeles Ca Hwy 39, 14.5 mi N of junction with Sierra Madre Ave., N of Azusa. 793 Comment
  SBBG26453  Quercus chrysolepis R. F. Thorne with M. Z. Thorne 1966-5-31 36418 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 426 Comment
  SEINET4077694  Quercus chrysolepis B. C. Templeton 1939-1 7361 Los Angeles East rim at Canyon head, San Clemente Island. Comment
  UCR183772  Quercus douglasii A. C. Sanders 2007-4-19 33440 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CAS-BOT-BC86224  Quercus dumosa Wesley O. Griesel 1986-2-27 s.n. Los Angeles Verdugo Mountains: Henderson Canyon Comment
  SJSU635  Quercus dumosa F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 179 Comment
  UC1135533  Quercus dumosa F. H. Raymond 1930-1-13 24 Los Angeles Head of Corral Canyon Calabasas Quad. 457 Comment
  JEPS37347  Quercus durata Theodore Payne 1927-11-5 5 Los Angeles San Gabriel Canyon San Gabriel Mts. 609 Comment
  RSA653371  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 308 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 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
  UC533191  Quercus engelmannii Joseph Andorfer Ewan 1900-1 8487 b Los Angeles San Gabriel Mountains Comment
  UCR84384  Quercus garryana var. breweri T. S. Ross, Steve Boyd 1994-5-24 7864 Los Angeles Liebre Mtns., NNE slope of Grass Mountain, 130-140 m SE of saddle between Munz Canyon and Burns Canyon. 1232 Comment
  SBBG131608  Quercus ilex S. A. Junak 1999-5-8 SCa 916 Los Angeles Fern Cyn, Cottonwood watershed, just upstream from fenceline, elevated floodplain Comment
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Jul 28 2016
  UCR140963  Quercus john-tuckeri June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  POM2108  Quercus lobata George B. Grant 1901-5-12 s.n. Los Angeles Collected at Pasadena Comment
  CAS-BOT-BC257064  Quercus tomentella P. S. Manos 1988-10-28 705 Los Angeles San Clemente Island, Twin Canyons 213 Comment
  RSA477126  Quercus wislizeni var. frutescens Geo. L. Moxley 1918-06 s.n. Los Angeles Mt Baldy Comment
  SD1078  Quercus wislizeni var. frutescens Fidella G. Woodcock Sep 1930 Los Angeles Mt. Lowe Comment
  UCD135329  Rafinesquia californica Daryl Koutnik 1978-5-2 462 Los Angeles Bell canyon in the Simi Hills. 426 Comment
  UCR265013  Rafinesquia californica Mitch Provance, Callen Huff 2009-4-28 10668 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  PASA335  Rafinesquia californica Frank W. Peirson 1923-4-11 Los Angeles In canyon below farm buildings, Eagle Ranch, San Clemente Island Comment
  RSA472417  Rafinesquia californica L. E. Hoffman 1931-5-18 17171 Los Angeles Big Santa Anita Canyon. Comment
  LA52187  Ranunculus californicus D. Dunn; 1941-2-22 690 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. Comment
  RSA399379  Ranunculus californicus T. S. Clare, McDougal 1930-4-7 s.n. Los Angeles Above Sandberg. Comment
  POM308886  Ranunculus californicus Kay H. Beach 1943-4-29 649 Los Angeles Johnstone [Peak], below peak, near edge of San Dimas Experimental Forest. U.S. Forestry Department, Angeles Forest, San Gabriel Mountains. Comment
  RSA0051612  Ranunculus californicus Bruce Haines 1962-3-11 27 Los Angeles 5 miles North of the Pacific Ocean on California HIghway 27, Topanga. 274 Comment
  POM50152  Ranunculus cymbalaria var. saximontanus L. R. Abrams 1901-04 1441 Los Angeles Los Angeles River. Comment
  RSA599887  Ranunculus hebecarpus Steve Boyd, Lauren Raz 1997-5-6 9732 Los Angeles Liebre Mountains region: Northern flank of Red Mountain, near the head of Clearwater Canyon, ca. 0.1 mile east of the saddle divide with Ruby Canyon. 915 Comment
  POM16376  Reseda alba Ella M. Kennedy 1923-4-2 s.n. Los Angeles Glendora Comment
  UC73349  Rhamnus californica subsp. californica E. B. Babcock 1903-1 Los Angeles near Los Angeles Comment
  UCR136924  Rhamnus californica subsp. californica B. C. Templeton 1930-2-25 1437 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 200 Comment
  UCR200208  Rhamnus californica subsp. californica Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 874 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Near cow unit and Beek-Wax Aquatic Center 366 Comment
  CAS-BOT-BC59842  Rhamnus ilicifolia Timothy S. Ross; Steve Boyd 1991-4-25 4604 Los Angeles San Gabriel Mtns: lower Graveyard Canyon (which joins the lower e. fk. of the San Gabriel River at ca 1540' elev.) 530 Comment
  SD237587  Rhamnus ilicifolia R. G. Swinney 2009-6-2 11006 Los Angeles Transverse Range: San Gabriel Mountains: east slope of Pacifico Mountain at Fountainhead Spring (Pacifico Mtn. 7.5'Q) 2012 Comment
  SD253536  Rhamnus ilicifolia R. G. Swinney 2011-3-18 14135 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris bsin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  UCR186748  Rhamnus ilicifolia T. B. Salvato, Sandra Murcia 2007-3-28 2004 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UCR271671  Rhamnus ilicifolia R. G. Swinney 2011-5-31 14920 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
  CAS-BOT-BC59794  Rhamnus pirifolia June Giddings 1884-8-1 s.n. Los Angeles Santa Catalina Island - summit. Comment
  POM2829  Rhamnus pirifolia S. B. Parish s.n. Los Angeles Santa Catalina Island Comment
  UC1602367  Rhamnus pirifolia unknown May 1889 Los Angeles Catalina Island Comment
  CAS-BOT-BC200706  Rhus aromatica Alice Eastwood 1906-6-5 227 Los Angeles Roscoe Comment
  RSA0060765  Rhus aromatica LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6826 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC1211028  Rhus integrifolia Huron H. Smith 1912-6-12 5090 Los Angeles Cherry Canyon; Santa Catalina Islands 137 Comment
  UCR41720  Rhus integrifolia G. R. Ballmer, G. 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
  LA82203  Rhus ovata O. H. Kappler; 1941-4-27 232 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC92442  Ribes aureum var. gracillimum C. F. Baker 1904-3-15 4154 Los Angeles Glendora. Comment
  CAS-BOT-BC92452  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia. Comment
  SBBG2742  Ribes aureum var. gracillimum H. and M. Dearing 1935-3-9 575 Los Angeles Mint Cyn Comment
  UC212410  Ribes aureum var. gracillimum E. Bethel May 1919 Los Angeles Monrovia Comment
  UCR206486  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36907 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  CLARK-A1528-4120  Ribes californicum var. hesperium John C. Roos 1966-2-4 Los Angeles Claremont Comment
  POM225101  Ribes californicum var. hesperium C. L. Hitchcock 1932-2-3 s.n. Los Angeles Evey Canyon, San Gabriel Mts., North of Claremont. 518 Comment
  RSA756072  Ribes californicum var. hesperium R. G. Swinney 2009-1-19 10002 Los Angeles Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  RSA651629  Ribes cereum var. cereum Marion P. Harthill 1971-9-25 584 a Los Angeles Mt. Baden Powell, Angeles National Forest. 2591 Comment
  CAS-BOT-BC108881  Ribes divaricatum var. parishii B. D. Stark 1934-5-27 5738 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Whittier Woodland Park. Comment
  CAS-BOT-BC173096  Ribes indecorum C. F. Baker 1904-2-15 4011 Los Angeles San Antonio [Canon] Canyon near Claremont Comment
  RSA0025055  Ribes indecorum Carl B. Wolf 1928-4-1 1617 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  RSA182734  Ribes indecorum J. Massey 1966-2-26 1032 Los Angeles Entrance to Evey Canyon Comment
  LA200838  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  CAS-BOT-BC6071  Ribes malvaceum var. clementinum M. B. Dunkle 1939-11-24 7338 Los Angeles San Clemente Island. Summit above Mosquite Cove. Comment
  RSA441483  Ribes malvaceum var. viridifolium Anstruther Davidson 1910-02 s.n. Los Angeles Los Angeles. Comment
  CAS-BOT-BC219187  Ribes nevadense Frank W. Peirson 1919-5-10 688 Los Angeles Trail from Arraster Creek, Mount Gleason, San Gabriel Mountains 1676 Comment
  UC284819  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles Vincent Gulch San Gabriel Mts. 2011 Comment
  RSA575561  Ribes roezlii R. G. Swinney 1994-6-12 2886 Los Angeles Sheep Mtn Wilderness, Prairie Fork Canyon, 2.1 miles SE of jct of FS road 3N06 and 3N39, at road 3N39, S of road 2195 Comment
  RSA600056  Ribes roezlii Steve Boyd, Lauren Raz 1997-5-20 9811 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UC974944  Ribes roezlii Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  CAS-BOT-BC168676  Ribes speciosum Peter H. Raven; Robert F. Thorne 1964-5-7 19002 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mountains Comment
  RSA476294  Ribes speciosum Freda Detmers 1929-1-19 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  SFV21002  Ribes speciosum L. Gross 2003-3-9 799 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. 354 Comment
  SBBG21943  Ribes viburnifolium R. F. Thorne with P. C. Everett 1964-2-6 33292 Los Angeles above Fourth of July Cove 30 Comment
  SD90447  Ribes viburnifolium Robert F. Thorne, Doug Propst 1973-2-12 42482 Los Angeles Santa Catalina Island; Ironwood Gully, east of Isthmus above Banning House. 600 Comment
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Feb 6 2012
  CATA3103  Ricinus communis Amy Catalano, Peter Dixon, C. Matt Guilliams, & Steve Junak 2016-5-11 107 Los Angeles Santa Catalina Island: Open field between Joe Machado Field and Nature Center in Avalon Canyon 82 Comment
  CATA3457  Ricinus communis Benjamin J. Dion, Peter Dixon 2017-7-13 038 Los Angeles Santa Catalina Island: Channel Side; in thick drainage on borders of watersheds White's Landing, Echo Lake, and China Wall 48 Comment
  SD90297  Ricinus communis Robert F. Thorne 1970-3-5 39353 Los Angeles Santa Catalina Island, NE slope of Blackjack Mountain at upper end of Swain's Canyon 399 Comment
  RSA697061  Rigiopappus leptocladus LeRoy Gross, P. Morton 2004-6-10 1371 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  SBBG31362  Romneya coulteri R. F. Thorne with P. C. Everett 1965-6-22 Los Angeles S of Avalon Golf Course 91 Comment
  SD112004  Rorippa nasturtium-aquaticum Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Cottonwood Creek, Santa Catalina Island. Comment
  CAS-BOT-BC147478  Rosa californica Alice Eastwood 1919-7-4 9297 Los Angeles Santa Monica Canyon, Los Angeles Comment
  UCR210153  Rosa woodsii R. G. Swinney 2008-8-13 9360 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  UC861856  Rubus ursinus F. R. Fosberg 1931-4-13 S 4584 Los Angeles Santa Catalina Island , Pebble Beach Canyon 60 Comment
  JEPS39882  Rumex conglomeratus Frank W. Peirson 1919-6-5 463 Los Angeles San Antonio Canyon San Gabriel Mountains 1310 Comment
  RSA719127  Rumex crispus Naomi Fraga 2001-5-18 45 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA595456  Rumex hymenosepalus Tim S. Ross, Victor W. Steinmann 1995-5-8 8550 Los Angeles NE side of Bouquet Reservoir; Spunky Canyon Road ca 500 m SE of the mouth of Spunky Canyon 919 Comment
  SBBG128411  Rumex salicifolius M. L. Hoefs 1995-5-23 2134 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  LA31624  Salicornia pacifica Peter H. Raven; Henry J. Thompson 1959-9-6 14369 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 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
  CAS-BOT-BC103169  Salix bonplandiana F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. 15 Comment
  RSA616066  Salix exigua Scott D. White 1997-12-31 6038 Los Angeles Malibu Coast: Mouth of Trancas Canyon, N of Pacific Coast Hwy. 8 Comment
  UCR223503  Salix exigua R. G. Swinney 2009-5-28 10947 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA191574  Salix laevigata Robert F. Thorne 1966-4-23 36151 Los Angeles San Gabriel Mountains: Jackson Lake WNW of Big Pines, Big Pines Recreation Area, Angeles National Forest 1829 Comment
  SBBG59053  Salix laevigata R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  UC492468  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UC506463  Salix laevigata Carl Hedin and Joseph Ewan 1933-1-28 7621 Los Angeles at Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UCR124591  Salix laevigata B. C. Templeton, I. W. Clokey 1930-4-8 1042 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  UCR126598  Salix laevigata A. C. Sanders, Mark Elvin 2003-8-7 27159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  LA94889  Salix laevigata K. Larson; J. Neel 1950-4-8 39 Los Angeles 0.7 mi N of Ranch O' Daly, Maclay St., N San Fernando Valley Comment
  JEPS14846  Salix lasiolepis I. W. Clokey and E. G. Anderson 1931-3-11 5345 Los Angeles San Gabriel Canyon 1300 Comment
  LA52054  Salix lasiolepis Carl Epling; L. Ellison 1930-3-1 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM177809  Salix lasiolepis Marcus E. Jones 1930-2-14 26535 Los Angeles San Antonio Canyon, San Gabriel Mountains. Comment
  POM362718  Salix lasiolepis Robert Gustafson 1981-3-10 2109 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA167828  Salix lasiolepis Robert F. Thorne, Percy C. Everett 1964-2-7 33489 Los Angeles Santa Catalina Island. Upper end of lake, Middle Canyon Ranch. 198 Comment
  RSA607924  Salix lasiolepis Louis C. Wheeler 1961-6-13 7877 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  UC482214  Salix lasiolepis Carl W. Sharsmith 1931-11-15 4 Los Angeles at foot of coastal headland near mouth of Topanga Canyon; Santa Monica Mountains 15 Comment
  RSA92645  Salix lasiolepis F. W. Peirson 1919-5-10 4281 Los Angeles Arraster [Arrastre] Creek, San Gabriel Mountains. 838 Comment
  UCSB9466  Salix lasiolepis Lloyd, Robert 1960-03 Los Angeles 500 yards up Little Daltion Canyon from the Glendora Mtn Road; San Gabriel Mt. Range Comment
  CAS-BOT-BC128522  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  UC506427  Salix melanopsis Joseph Andorfer Ewan 1932-6-15 7306 Los Angeles Chilao San Gabriel Mts., Chilao 1615 Comment
  CDA3166  Salsola australis R. E. Riefner Jr. 2007-3-1 07 -125 Los Angeles Palos Verdes Peninsula . Vicinity of Rolling Hills Road at Palos Verdes Drive. Comment
  RSA624447  Salsola tragus L. C. Wheeler 1932-9-5 1342 Los Angeles San Antonio Canyon 1066 Comment
  RSA0091536  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-14 15125 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0105969  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-8 15500 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA67048  Saltugilia splendens subsp. grantii Verne Grant, Alva Grant 1951-6-3 16006 Los Angeles South slope of Cow Canyon, 1.9 mi. W of jct. with San Antonio Canyon rd. 1372 Comment
  RSA0094992  Saltugilia splendens subsp. grantii Orlando Mistretta, Peter L. Morrell 1992-6-4 486 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  IRVC28666  Salvia apiana A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25104 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  UCD125439  Salvia apiana Elise Jackson 1993-5-6 22 Los Angeles Eddleston Park, Reseda Blvd. at Calle Vista Circle. Comment
  RSA442853  Salvia apiana William Emboden 1969-5-28 44 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA10844  Salvia carduacea Victor Duran 1933-5-22 3414 Los Angeles Near Lancaster. 716 Comment
  RSA589511  Salvia columbariae Tim S. Ross, Gery Allan, Mark A. Elvin 1995-5-21 8599 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  SFV22140  Salvia columbariae V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 761 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  SEINET13947351 Image available Salvia columbariae Martha P. Creighton 1952-1 286 Los Angeles Llano; 3300 ft alt. 1006 Comment
  UCD125665  Salvia dorrii Marc Meyer; Mike Alvord and Marc Blain 1993-5-1 17 Los Angeles Mojave Desert, 3.4 miles from Pearblossom Highway and Largo Vista road, near Three Sisters. 1100 Comment
  UCR16802  Salvia dorrii subsp. dorrii Steve Stadler 1966-4-17 41766- 67 Los Angeles San Gabriel Mtns., 3 mi north of Mile High on road connecting Mile High and the Palmdale-Cajon Jct Road. 10 yds ? of road at mouth of canyon road runs in. 1128 Comment
  UCSB5787  Salvia dorrii var. dorrii Haller, John 1960-4-3 Los Angeles near cutoff road from Mint Canyon (US 6) to Littlerock; 0.7 miles northeast of US 6; at a point 4.2 miles south of Palmdale 914 Comment
  UC1124699  Salvia dorrii var. pilosa A. Lewis 1933-4-20 185 Los Angeles 1.5 mi s Palmdale; Elizabeth Quad. 853 Comment
  RSA82437  Salvia leucophylla F. W. Peirson 1919-5-11 412 Los Angeles Mint Canyon road near the bridge over the Santa Clara River, northwest of San Gabriel Mts. 427 Comment
  SEINET4044542  Salvia leucophylla D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park. 259 Comment
  OBI69407  Salvia mellifera Patricia A. Krueger 1994-5-18 40 Los Angeles San Gabriel Mts, 3.8 mi N on Mt. Lower Truck Trl from Chaney Trl 1219 Comment
  UC883828  Salvia mellifera C. F. Baker 1904-5-5 4751 Los Angeles hills near Claremont Comment
  RSA82403  Salvia mellifera F. W. Peirson 1920-4-18 181 Los Angeles New York St., La Canada. 610 Comment
  LA200594  Salvia spathacea C. L. Hogue; 1954-3-13 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  LA82002  Salvia spathacea O. H. Kappler; 1940-5-26 31 Los Angeles 365 Comment
  RSA434077  Salvia spathacea Jessie Velo 1949-6-24 4220 Los Angeles Los Padres National Forest. 457 Comment
  SEINET12273235  Salvia spathacea Unknown 1933-1 8487 Los Angeles Near Los Angeles Comment
  POM296988  Sambucus mexicana Karen Hosterman 1957-4-8 962 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA188139  Sambucus mexicana R. F. Thorne 1966-4-28 36210 Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  RSA0060879  Sambucus nigra subsp. caerulea R. G. Swinney 2010-8-16 13553 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  UCR277199  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-30 13954 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
  LA91438  Sambucus nigra subsp. canadensis Bruce Douglas Clayton; Greg Clayton 1972-3-30 38 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  SBBG38683  Sanicula arguta M. B. Dunkle 1939-4-3 7236 Los Angeles Chenetti Cyn Comment
  RSA97353  Sanicula arguta F. W. Peirson 1919-3-27 336 Los Angeles Foot of trail to Lukens Peak 609 Comment
  UC303478  Sanicula bipinnata P. A. Munz 1918-4-11 2035 Los Angeles Lone Hill near Glendora; Southern California, Lone Hill Comment
  CAS-BOT-BC223214  Sanicula bipinnatifida Moxley 1915-4-18 311 Los Angeles Ridge north of Mt. Washington, Los Angeles Comment
  UCR274106  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles California Islands, Santa Catalina Island. Cape Canyon, just downstream from pumphouse along east fork of Cape Canyon Road, just upstream from fork in road 305 Comment
  RSA583758  Sanicula crassicaulis R. G. Swinney 1993-5-3 2210 Los Angeles Glendora, South Hills Wilderness Area 305 Comment
  RSA445300  Satureja mimuloides Geo. L. Moxley 1914-9-7 280 Los Angeles Arroyo Seco Canyon. Comment
  CATA1816  Schinus molle Benjamin E. Carter 2012-8-31 7016 Los Angeles Santa Catalina Island: Black Jack Campground 460 Comment
  CATA411  Schinus molle Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 548 Los Angeles Santa Catalina Island: Mt. Black Jack Campgrounds 451 Comment
  LA202828  Schinus molle Louis Wheeler; 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne 403 Comment
  UC1870191  Schinus molle LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  UCR55754  Schinus molle J. A. Adams 1966-6-10 244 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  RSA708676  Schismus barbatus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1613 -a 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
  UCR197203  Schismus barbatus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 699 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
  CAS-BOT-BC111388  Schoenoplectus acutus var. occidentalis Timothy S. Ross; Steve Boyd 1994-5-24 7840 Los Angeles Cottonwood Swamp, Confluence of San Francisquito Canyon stream 515 Comment
  RSA1409  Schoenoplectus americanus I. M. Johnston 1917-6-14 1349 Los Angeles West of Pomona. Comment
  RSA590506  Schoenoplectus maritimus Timothy S. Ross, Janet Takara, M. Gay 1993-4-20 6824 Los Angeles Santa Catalina Island: NE side of Little Harbor near the outlet of Little Springs Canyon drainage. 1 Comment
  RSA604480  Schoenoplectus maritimus L. C. Wheeler 1967-9-18 s.n. Los Angeles Los Angeles River at Los Feliz Blvd. Comment
  SBBG128374  Scirpus microcarpus M. L. Hoefs, R. F. Thorne 1975-8-7 823 Los Angeles lower Middle cyn 76 Comment
  RSA425185  Scrophularia californica subsp. floribunda Louis C. Wheeler 1931-6-14 S- 18 Los Angeles Burbank Canyon, San Gabriel Mountains, 1/4 mile W [of] Thompson Creek Dam. 503 Comment
  CATA1019  Scrophularia villosa Mark L. Hoefs 1995-5-4 1936 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  UC1586188  Scutellaria siphocampyloides Tim Ross 1991-8-16 5820 Los Angeles Horse Flats; San Gabriel Mountains, Horse Flats 1719 Comment
  UC1595381  Scutellaria siphocampyloides Tim Ross, Steve Boyd 1990-6-18 3467 Los Angeles Camp Verdugo Pines and vicinity, [northerly draw draining] to Jackson Lake Camp Verdugo Pines; San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  CAS-BOT-BC63896  Sedum spathulifolium I. M. Johnston 1917-7-1 1745 Los Angeles Near Browns Flats 1295 Comment
  RSA0081656  Sedum spathulifolium Louis C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon - Brown Flat trail 1 mi. from Flat. San Gabriel Mts. 1219 Comment
  LA209607  Selaginella asprella Lawrence L. Kiefer; 1963-10-6 1037 Los Angeles San Gabriel Mountains, Vincent Gulch, ca. 1.5 mi from Angeles Crest Hwy 1889 Comment
  LA209615  Selaginella asprella Lawrence L. Kiefer; 1963-7-4 586 Los Angeles San Gabriel Mountains, San Antonio Canyon, ravine off main road, above Icehouse Canyon 1737 Comment
  RSA683756  Selaginella bigelovii Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  RSA683745  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  SD51927  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island, western slope of island opposite Wilson Cove 60 Comment
  POM308937  Senecio astephanus Samuel R. Tyson 1944-6-20 693 Los Angeles from west end of 4100 down to Saddle of road. San Dimas Experimental Forest Comment
  UCR125382  Senecio californicus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25725 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  RSA0065435  Senecio californicus Eleanor McClung 1937-3-14 8 Los Angeles El Segundo. Comment
  CAS-BOT-BC333109  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1916-5-16 s.n. Los Angeles Sangus Comment
  CAS-BOT-BC333120  Senecio flaccidus var. douglasii A. D. E. Elmer 1902-6-1 3735 Los Angeles Acton Comment
  RSA472936  Senecio flaccidus var. douglasii Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA755995  Senecio flaccidus var. douglasii R. G. Swinney 2008-10-7 9464 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  CAS-BOT-BC341193  Senecio lyonii L. R. Abrams; I. L. Wiggins 1931-7-6 340 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  SBBG96751  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4278 Los Angeles lower half of China Cyn Comment
  SD72390  Senecio lyonii Darley F. Howe 1968-2-25 4489 Los Angeles Hillside north of Fourth of July Cove Comment
  CDA7643  Senecio mikanioides G. C. Fleischman 1946-3-5 Los Angeles Pasadena. 0 Comment
  RSA755821  Senecio vulgaris R. G. Swinney 2008-12-2 9907 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  UCR209513  Senecio vulgaris Dan S. Cooper 2009-4-14 409- 35 Los Angeles Eastern Santa Monica Mtns., above Travel Town, Griffith Park 183 Comment
  SFV18452  Senecio vulgaris S. Haennelt 1978-11-2 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Walker Ranch section. Comment
  UC1595340  Senecio vulgaris Tim Ross 1992-5-17 6372 Los Angeles draining to and joining at 2125 ft the E Fork San Gabriel River; San Gabriel Mts., lower Shoemaker Canyon draining to e Fork 722 Comment
  UCD135865  Senecio vulgaris Louis C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains, Ridge east of Ham Canyon. 754 Comment
  SEINET3480577  Sequoia sempervirens Unknown 1939-7-10 192 Los Angeles Los Angeles, Los Angeles Comment
  UC1947592  Sesuvium verrucosum Geo. B. Grant 1904-6-5 11986112 Los Angeles Ballona Comment
  CAS-BOT-BC434380  Sidotheca trilobata A. D. E. Elmer 1902-6-1 3695 Los Angeles Acton Comment
  RSA596091  Silene antirrhina Timothy S. Ross, Steve Boyd 1995-6-28 8639 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  CATA1099  Silene gallica Mark L. Hoefs 1995-5-23 2053 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  SBBG117134  Silene gallica S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1538 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  UCR71327  Silene gallica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4436 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  POM11354  Silene gallica F. L. Robinson 1921-4-20 39 Los Angeles Claremont. 365 Comment
  CAS-BOT-BC174900  Silene laciniata Carl Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  JEPS79987  Silene laciniata subsp. major C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4747 Los Angeles Bouquet Canyon 750 Comment
  RSA165134  Silene laciniata subsp. major Gordon Pilone 1962-6-24 504 Los Angeles 1 mile W of Topanga Canyon on Robinson Road 305 Comment
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May 20 2012
  UC72592  Silene laciniata subsp. major Pupils of Los Angeles High School May 1903 Los Angeles Laurel Canyon Comment
  RSA430207  Silene laciniata subsp. major Kathy Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland Hwy between Las Virgenes Valley overlook and Yerba Buena Rd. Comment
  RSA729775  Silene verecunda subsp. platyota R. G. Swinney 1998-7-6 6293 Los Angeles San Gabriel Mtns.: Mescal Canyon, 1.9 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1585 Comment
  RSA719100  Silybum marianum Naomi Fraga, Jorge Arriaga 2002-4-28 81 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope near bottom of Box Canyon. Comment
  CAS-BOT-BC75083  Sisymbrium altissimum Carl B. Wolf 1936-5-27 7834 Los Angeles San Gabriel Mountains. Indian Canyon Camp. 2 miles off Soledad Canyon. 914 Comment
  CHSC95904  Sisymbrium altissimum LeRoy Gross 2005-4-28 2149 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
  RSA651180  Sisymbrium irio Dick Mosbarger 1948-1-16 s.n. Los Angeles Cal Poly Voorhis Campus, San Dimas. 245 Comment
  UCSB909  Sisyrinchium bellum Wedberg, Lee 1954-4-5 Los Angeles Griffith Park 457 Comment
  SEINET8887815  Sisyrinchium bellum G. B. Grant, W. Wheeler 1904-5-7 s.n. Los Angeles Collected at Glendora Comment
  UCR182638  Sisyrinchium idahoense R. G. Swinney 1997-7-23 5728 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR139362  Solanum americanum I. M. Johnston 1918-7-29 2102 Los Angeles San Gabriel Valley, El Monte, under [San Gabriel River] bridge along railroad 91 Comment
  POM62558  Solanum douglasii C. F. Baker 1903-8-2 3447 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  UC440369  Solanum douglasii Carl Epling 1930-3-8 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon Comment
  RSA422435  Solanum douglasii Wm. Martin 1972-4-1 76 H371B Los Angeles Gold Creek, Little Tujunga. Comment
  UCSB9431  Solanum douglasii Olsen, Meryl 1954-4-15 Los Angeles Claremont; San Gabriel Mtns 365 Comment
  SD227913  Solanum mauritianum Scott D. White 1997-5-14 5126 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mts. SW of I210 Freeway, E of Hansen Dam, and N of Wentworth St. 334 Comment
  POM220639  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-6 1125 Los Angeles 2 mi. NNE Claremont 427 Comment
  CAS-BOT-BC154695  Solanum umbelliferum C. F. Baker 1903-3-16 4059 Los Angeles Claremont Comment
  CAS-BOT-BC83639  Solanum umbelliferum L. Abrams 1916-1-3 5569 Los Angeles Between Agusa and Duarte. Comment
  RSA0068461  Solanum umbelliferum R. G. Swinney 2010-3-18 11993 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
  RSA427397  Solanum umbelliferum T. S. Clare 1929-3-3 15053 Los Angeles Topango [Topanga] Canyon. Comment
  RSA427425  Solanum umbelliferum Ora M. Clark 1929-1-27 1493 Los Angeles North Hollywood Comment
  RSA702908  Solanum umbelliferum Scott D. White, Pam De Vries 2004-5-18 10410 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC156796  Solanum umbelliferum Ernest C. Twisselmann 1955-6-23 2210 Los Angeles San Emigdio Range. Castaic Valley, 1/2 mile north of Holland Summit 1219 Comment
  POM50613  Solanum umbelliferum L. R. Abrams 1901-4-3 1298 Los Angeles Santa Monica Mountains. Comment
  SEINET6186050  Solanum umbelliferum R. W. Summers 1886-1 s.n. Los Angeles Santa Monica hills Comment
  POM126864  Solanum wallacei F. M. Reed 1909-7-2 2819 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  RSA233642  Solanum wallacei Robert F. Thorne 1970-3-5 39358 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  SBBG70637  Solanum xanti R. Hoffmann 1929-4-26 Los Angeles near Camulos Comment
  UCR92060  Solanum xanti Scott D. White 1995-2-7 2514 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  UCD127089  Solanum xanti Gerald Dickinson 1962-3-29 3 Los Angeles 7 miles W of Topanga Canyon Road. Mulholland Dr. Santa Monica Mountains. 356 Comment
  UCD127101  Solanum xanti Daryl Koutnik; Bruce Holguin 1978-4-1 203 Los Angeles Mint Canyon on Sierra Hwy, 5 miles northwest of State Hwy 14. 563 Comment
  CAS-BOT-BC365020  Solidago velutina subsp. californica John Thomas Howell 1927-10-16 3147 Los Angeles Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  UC1922461  Solidago velutina subsp. californica Valerie Soza, Miriam Sidibeh 2003-3-26 1623 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Fern Lane Mtwy, northwest of Flint Peak. 457 Comment
  RSA729815  Sonchus asper R. G. Swinney 1998-7-10 6379 Los Angeles San Gabriel Mtns.: Prairie Fork, near Cabin Flats Campground 1622 Comment
  RSA127810  Sonchus oleraceus 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
  HSC10984  Sorghum halepense C. E. Fellows 1965-12-11 180 Los Angeles City of Reseda, Reseda Blvd. at Strathern St. Comment
  RSA0034982  Sorghum halepense P. R. Brown 1970-4-25 14 Los Angeles Amphitheater, Canon de Lana. [county not specified] Comment
  RSA738068  Spartium James W. Raymond s.n. Los Angeles Brand Park Comment
  RSA0097065  Spergularia Anstruther Davidson 1923-05 s.n. Los Angeles Los Angeles. Comment
  RSA0098741  Spergularia macrotheca Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR19007  Spergularia villosa John C. Roos 1950-4-1 4719 Los Angeles Los Angeles Basin Region, Los Angeles [West Los Angeles/ Westwood], hill just east of [Ralph Waldo] Emerson Junior High School [1650 Selby Ave.] 87 Comment
  UCR210073  Spergularia villosa A. C. Sanders 2009-11-6 37205 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  POM182361  Stachys albens Joseph A. Ewan 1931-10-24 5281 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  RSA0024631  Stachys albens Duncan S. Bell, Caitlin Elam 2013-6-24 5285 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
&nbs