Search Results — 2000 specimen records retrieved (1584 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA460914  Abronia maritima F. R. Fosberg 1930-6-23 S 2974 Los Angeles Del Rey. 2 Comment
  UCR229517  Abronia maritima Jeremiah George 2011-9-15 s.n. Los Angeles South Coast, El Segundo 4 Comment
Read comments
Mar 7 2012
  RSA657476  Acacia cyclops Joseph M. Keefe 2001-1-19 30946 Los Angeles south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, 90041. 305 Comment
  CATA3347  Acacia decurrens Julia Parish 2017-2-23 013 Los Angeles Santa Catalina Island: South edge of main buildings at Airport, planted 0 Comment
  CATA3455  Acacia melanoxylon Julia Parish, Benjamin Dion, Olivia Reda, Jaimie Choi 2017-8-29 033 Los Angeles Santa Catalina Island: Interior; Baker's Dam Soutern California Edison Sub Station 98 Comment
  RSA658988  Acamptopappus sphaerocephalus var. hirtellus W. Wisura 2001-5-18 5164 Los Angeles Western Mojave Desert: Fort Tejon Rd 3.7 mi E. of Bob's Gap Road Comment
Read comments
Jul 28 2014
  CAS-BOT-BC412573  Acanthoscyphus parishii var. parishii I. M. Johnston 1925-7-8 5292 Los Angeles Baldy Lookout, San Antonio Mts 1737 Comment
  RSA394179  Acer macrophyllum George B. Grant 1904-4-1 17 Los Angeles Mount Wilson, Southern California. Comment
  RSA394182  Acer macrophyllum Bonnie C. Templeton 1932-7-21 5038 Los Angeles Between Prairie Fork San Gabriel River and Big Pines Park, near Spring Comment
  RSA654654  Acer macrophyllum Fred Brooks 1988-5-7 36 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff, on west side of canyon, above river. 1372 Comment
  RSA584909  Achnatherum coronatum Timothy S. Ross 1992-5-8 6296 Los Angeles San Antonio Canyon just SW of Mt. Baldy Village along Glendora Ridge Road. 1320 Comment
  RSA651296  Achnatherum coronatum Lori Ackerman, Gerald Braden, Arthur Davenport 1988-5-4 24 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  UCD51212  Achnatherum occidentale subsp. pubescens G. L. Stebbins Jr. 1941-6-19 3144 Los Angeles on road from Big Pines resort to Smithsonian Observatory. 1981 Comment
  RSA0025425  Achnatherum parishii subsp. parishii Duncan S. Bell, Caitlin Elam 2013-6-24 5242 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  UCR187195  Achyrachaena mollis A. C. Sanders 2006-4-25 32193 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
  UCR217345  Achyrachaena mollis Mark A. Elvin, Joseph G. Decruyenaere 2003-5-8 2719 Los Angeles Western Transverse Range; Santa Susana Mountains, Newhall Ranch, Potrero Canyon, beside road on south side of canyon 305 Comment
  CAS-BOT-BC204782  Acmispon argophyllus var. argenteus Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Isl. Comment
  UC557700  Acmispon dendroideus var. traskiae Nell Murbarger 1936-3-1 44 Los Angeles San Clemente Island. On both west and east sides of Island. Comment
  SBBG67376  Acmispon grandiflorus var. grandiflorus R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SD262277  Acmispon maritimus R. G. Swinney 2014-5-8 16476 Los Angeles San Gabriel Mountains: near Lang, 50 - 100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. Confluence. 537 Comment
  SBBG25465  Acmispon maritimus var. maritimus M. Vincent 1962-4-6 164 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  CATA1985  Acmispon micranthus Steven A. Junak, Mark Hoefs, Sara Crockett 1997-3-27 353 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, ca. 0.65 miles SW of Black Jack Peak 396 Comment
  UCD104235  Acmispon micranthus L. W. Nuttall 1920-5-1 54 Los Angeles Santa Catalina Island, Coach Road. Comment
  SBBG68090  Acmispon strigosus R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SFV1852  Acmispon strigosus P. G. Kilburn 1958-4-11 711 Los Angeles Santa Susana Mountains South slope of Oat Mountain. 579 Comment
  SFV20861  Acmispon strigosus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 712 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  RSA181425  Acourtia microcephala James I. McMurphy 1916-4-14 s.n. Los Angeles Topanga Canyon. Comment
  UC1175006  Acourtia microcephala P. C. Everett and E. K. Balls 1959-6-29 23874 Los Angeles on burned over chaparral slopes Stokes Canyon; Santa Monica Mts. 152 Comment
  SD234030  Acourtia microcephala Mary H. Ward 1970-6-19 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena. 305 Comment
  CDA25689  Adenostoma fasciculatum T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  RSA0067571  Adenostoma fasciculatum R. G. Swinney 2010-5-4 12500 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 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
  POM90012  Adenostoma fasciculatum Marcus E. Jones 1883-5-9 s.n. Los Angeles Pasadena. Comment
  POM156521  Adenostoma fasciculatum var. fasciculatum L. R. Abrams 1902-7-3 2649 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA390575  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1928-4-22 1888 Los Angeles Santa Catalina Island; Buttonshell Beach. 23 Comment
  RSA532646  Adenostoma fasciculatum var. fasciculatum Tim S. Ross 1991-8-14 5761 Los Angeles Roundtop [Mtn], San Gabriel Mountains. South slope. 1872 Comment
  RSA597132  Adenostoma fasciculatum var. fasciculatum Louis C. Wheeler 1961-6-12 7862 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1067 Comment
  UCR190878  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6700 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  POM155665  Adiantum capillus-veneris M. B. Dunkle 1928-5-13 1952 Los Angeles Santa Catalina Island: near waterfalls Cottonwood Canyon 9 Comment
  RSA0065477  Adiantum capillus-veneris M. P. Harthill 1971-5-11 187 Los Angeles San Antonio Canyon. [Could also be San Bernardino County] Comment
  OBI13982  Aesculus californica Louis C. Wheeler 1931-10-25 336 Los Angeles Oakgrove Cyn near Sawmill Mt 1067 Comment
  RSA602051  Ageratina adenophora Scott D. White 1997-5-7 5065 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  SD144075  Ageratina adenophora Scott D. White 1997-3-12 4735 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UCR91504  Ageratina adenophora Scott D. White 1995-3-14 2545 Los Angeles San Gabriel Mtns., San Dimas Canyon Rd, along creek above San Dimas Reservoir. 457 Comment
  OBI16472  Ageratina adenophora Louis C. Wheeler 1932-7-9 954 Los Angeles Rogers Cyn, San Gabriel Mts 381 Comment
  RSA612304  Ageratina adenophora Louis C. Wheeler 1968-10-1 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon Road, 1.5 miles W of Tujunga Canyon Road, 1 mile W of powerline, and 0.9 mile W of summit. Comment
  SEINET13383051 Image available Agoseris heterophylla R. G. Swinney 2011-1 15317 Los Angeles Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  UC768681  Agoseris heterophylla var. cryptopleura R. F. Hoover 1938-4-16 3117 Los Angeles near Bailey's; Upper Antelope Valley Comment
  RSA600406  Agoseris retrorsa Steve Boyd, Lauren Raz 1997-5-1 9642 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
  UC129535  Agoseris retrorsa H. M. Hall 7393 Los Angeles vicinity of, Elizabeth Lake 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
  RSA453105  Alchemilla occidentalis F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Pebble [Pebbly] Beach Canyon, Santa Catalina Island. 50 Comment
  UC1601925  Allium burlewii I. M. Johnston 1917-6-20 1490 Los Angeles Baldy Lookout of USFS San Antonio Mountains, Baldy Lookout of USFS 2133 Comment
  POM1646  Allium monticola I. M. Johnston 1918-6-16 2031 Los Angeles Ice Canyon 2134 Comment
  SBBG57513  Allium peninsulare M. N. Ackley -May-1924 626 Los Angeles Fish Cyn 2000 Comment
  SBBG127471  Allium praecox M. B. Dunkle 1939-4-6 7304 Los Angeles Mosquito Harbor Comment
  RSA0040124  Allophyllum divaricatum Orlando Mistretta 1990-7-2 s.n. Los Angeles Bear Flat 1746 Comment
  RSA0119520  Allophyllum divaricatum R. G. Swinney 2014-5-19 16555 Los Angeles San Gabriel Mountains; Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Mtwy. 515 Comment
  UC879976  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S 5413 Los Angeles Santa Catalina Isl., Hamilton Canyon 30 Comment
  POM123334  Alnus rhombifolia Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  RSA452779  Alnus rhombifolia Geo C. Johnstone 1927-10-30 15739 Los Angeles Arroyo Seco Canyon above Switzer's Comment
  RSA452782  Alnus rhombifolia F. R. Fosberg 1931-3-1 S- 4218 Los Angeles Topanga Canyon, 2.5 mi. below Wildwood, Santa Monica Mountains. 60 Comment
  SEINET5783471 Image available Alnus rhombifolia Marcus E. Jones 1882-1 2864 Los Angeles Pasadena Comment
  UCR9209  Alternanthera philoxeroides D. H. Wilken 1965-11-3 595 Los Angeles San Gabriel Valley, Rio Hondo River, in the Whittier Narrows 61 Comment
  RSA729751  Amaranthus albus R. G. Swinney 1999-7-28 7584 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
  UCR210239  Amaranthus albus R. G. Swinney 2008-10-20 9656 Los Angeles San Gabriel Mountains, San Dimas Canyon at Puddingstone Diversion Dam 354 Comment
  UCR205550  Amaranthus hybridus A. C. Sanders, T. B. Salvato 2009-5-20 36873 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
  RSA404558  Amaranthus hybridus L. C. Wheeler 1932-10-7 1422 Los Angeles U. C. L. A. Campus, W Los Angeles. 137 Comment
  LA32010  Amblyopappus pusillus Peter H. Raven; 1959-4-4 Los Angeles Santa Monica Mountains, just E of Zuma Beach 9 Comment
  POM122294  Amblyopappus pusillus Marcus E. Jones 1926-9-9 s.n. Los Angeles San Clemente Island. Comment
  UCSB27676  Ambrosia acanthicarpa Lavinger, S. 1975-10-6 Los Angeles On Los Angeles Crest Highway, 0.3 miles north of Angeles Crest Ranger Station; San Gabriel Mountains 762 Comment
  RSA592226  Ambrosia acanthicarpa L. C. Wheeler 1967-4-30 9236 Los Angeles San Gabriel Mountains. Limekiln Canyon. 549 Comment
  UCR30452  Ambrosia artemisiifolia O. F. Clarke 1970-8-5 s.n. Los Angeles San Fernando Valley, Northridge, at the home of Judy Owen, 8841 Quakertown Ave. 258 Comment
  JEPS19922  Ambrosia chamissonis Samuel B. Parish 1891-1 Los Angeles Long Beach Comment
  RSA177877  Ambrosia chamissonis var. chamissonis Percy C. Everett 1965-5-11 34552 Los Angeles Santa Catalina Island, behind North Beach at Little Harbor. 2 Comment
  SBBG18026  Ambrosia psilostachya D. E. Breedlove 1961-9-24 1293 Los Angeles Middle Ranch Cyn, 0.5 mi above Ben Weston Beach 60 Comment
  RSA307082  Ambrosia psilostachya Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1924 Los Angeles Between Walnut and Covina, near State school. Comment
  JEPS45138 Image available Amelanchier utahensis Frank W. Peirson 1920-5-29 2155 Los Angeles Icehouse Canyon; San Gabriel Mts. 1981 Comment
Read comments
Dec 10 2014
  POM184688  Amorpha californica var. californica Joseph A. Ewan 1932-6-18 7355 Los Angeles Clear Creek fork of Tujunga Canyon 854 Comment
  POM3913  Amsinckia intermedia J. F. Illingworth 1898-05 s.n. Los Angeles Claremont. 366 Comment
  SBBG128382  Amsinckia intermedia M. L. Hoefs 1991-4-7 1045 Los Angeles upper Avalon Cyn, above Wrigley Memorial and Garden, near rd to Divide 326 Comment
  RSA0079967  Amsinckia intermedia P. H. Raven 1962-4-11 17261 Los Angeles San Clemente Island: sandy beach due west of Wall 2. 9 Comment
  SD41399  Amsinckia spectabilis Edith A. Purer 1931-3-21 Los Angeles El Segundo Comment
  RSA314060  Amsinckia tessellata W. Wisura 1983-4-13 3904 Los Angeles 20.7 miles from [Interstate] 15 along [Hwy] 138. Comment
Read comments
Dec 22 2016
  RSA772420  Amsinckia tessellata R. G. Swinney 2009-5-12 10730 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  UCR193573  Amsinckia tessellata R. G. Swinney 1999-4-5 7057 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  OBI70938  Amsinckia tessellata var. tessellata Steve Boyd, Lauren Raz 1997-3-26 9332 Los Angeles Liebre MTs region: Portal ridge N of Lake Hughes upper end of Myrick cyn drainage along lakeview rd.T7N R15W NE 1/4 NW 1/4 NE 1/4 sec 23 1134 Comment
  RSA250602  Amsinckia tessellata var. tessellata R. F. Thorne 1970-4-17 39511 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  RSA708608  Anagallis arvensis Valerie L. Soza, LeRoy Gross 2001-5-9 1209 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Valle Vista fire road, west of junction with Scholl Canyon Road, ridgetop north of Hwy 134. 297 Comment
  UCR175048  Anagallis arvensis Vanessa Lee 2005-4-10 s.n. Los Angeles San Gabriel Mtns. Foothills, Eaton Canyon Park, Pasadena, north of I-210 off Altadena Dr. 305 Comment
  UCR186883  Androsace elongata subsp. acuta A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32037 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR190394  Anisocoma acaulis R. G. Swinney 2001-4-18 7902 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UC1605263  Anthriscus caucalis Tim Ross and Steve Boyd 1994-5-4 7678 Los Angeles Dogwood Canyon Liebre Mountains, Lake Hughes 7.5' U.S.G.S. quad. (narrow canyon draining ne to Burns Canyon from the ne summit of Grass Mountain) 1267 Comment
  RSA660258  Antirrhinum coulterianum Orlando Mistretta, Peter L. Morrell 1992-6-4 506 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  UC1871020  Antirrhinum multiflorum T. S. Ross, W. Appleby 1993-5-13 7121 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon; San Fernando 7.5' USGS quad; R15W T3N, E/4 NW/4 sect 10; between 2800-3220 feet elevation. 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
  SD48952  Antirrhinum nuttallianum subsp. subsessile Reid Moran 1958-9-15 6831 Los Angeles San Clemente Island, canyonside, 1.8 miles SE of Eel Point 99 Comment
  RSA661012  Aphanisma blitoides Orlando Mistretta 1992-4-5 152 Los Angeles Guds, San Clemente Island. Comment
  LA103300  Apiastrum angustifolium Barry A. Prigge; 1986-3-19 6935 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 30 Comment
  POM133225  Apiastrum angustifolium C. F. Baker 1907-5-5 4771 Los Angeles Claremont. Comment
  RSA589228  Apocynum cannabinum T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2912 Los Angeles Upper Big Tujunga Canyon: margin of Big Tujunga Creek and toes of the slopes immediately west (ca 1.6 air miles ENE of Barely Flats). 1213 Comment
  POM366913  Aquilegia formosa F. R. Fosberg 1931-8-10 S- 5628 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA0033870  Arabis John F. Emmel 1997-4-28 1460 Los Angeles Sierra Pelona; along USFS Road 6N07, 1.1 road miles ENE of junction with Road 6N08. 1371 Comment
  RSA482626  Arabis pulchra N. C. Cooper 1948-4-21 2668 Los Angeles Littlerock Creek. 762 Comment
  UC2030109  Arabis sparsiflora var. californica Valerie Soza, LeRoy Gross 2001-4-24 1178 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  UCR189861  Aralia californica R. G. Swinney 1998-7-28 6515 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  RSA470437  Aralia californica L. C. Wheeler 1931-8-5 s.n. Los Angeles San Dimas Canyon, San Gabriel Mts. 533 Comment
  RSA638925  Arceuthobium californicum Louis C. Wheeler 1946-8-25 6243 Los Angeles San Gabriel Mountains: Ridge at southerly end of Crystal Lake. Comment
  CAS-BOT-BC102201  Arctium lappa Alice Eastwood 1915-8-25 4209 Los Angeles Duarte Comment
  RSA233610  Arctostaphylos catalinae R. F. Thorne 1970-3-5 39356 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  RSA590509  Arctostaphylos catalinae T. S. Ross 1993-4-21 6859 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft) slope and small ridges N of Cactus Peak summit. 402 Comment
  RSA626683  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15789 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA631220  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21971 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA631298  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21990 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA70900  Arctostaphylos glandulosa subsp. cushingiana F. W. Peirson 1918-5-26 141 Los Angeles summit of Mt. Wilson 1738 Comment
  CAS-BOT-BC23063  Arctostaphylos glandulosa subsp. mollis Timothy S. Ross; Steve Boyd 1994-5-10 7692 Los Angeles Liebre Mountains, Saddle divide between east Fork Fish Canyon and Warm Springs Canyon: 890 Comment
  CAS-BOT-BC39341  Arctostaphylos glauca Ernest C. Twisselmann 1959-6-2 5339 Los Angeles Old Ridge Route, 2.2 miles south of Sandberg's Lodge. 1203 Comment
  CAS-BOT-BC39344  Arctostaphylos glauca Henry J. Thompson 1959-2-23 1849 Los Angeles Santa Monica Mountains, north side of main crest of mountains, north-west slope of Castro Peak, 594 Comment
  LA34183  Arctostaphylos glauca Peter H. Raven; Henry J. Thompson 1959-2-25 13813 Los Angeles Comment
  RSA631421  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15984 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631467  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16002 Los Angeles Whitaker Peak, west of the Templin Highway. 1250 Comment
  RSA631480  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15989 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631513  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16055 Los Angeles Ridge Route, 3 km north of Liebre Gulch turnoff. 1000 Comment
  RSA631606  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15944 Los Angeles Hughes Lake Road, 7 km north of Highway 5. 400 Comment
  RSA631709  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15673 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  SBBG119271  Arctostaphylos glauca O. Mistretta, M. Elvin 1995-3-30 1585 Los Angeles Mill Crk Summit, on summit, just W of Angeles Forest Hwy on Pacific Crest Trail Comment
  UC56685  Arctostaphylos glauca Ernest Braunton 1903-1-10 790 Los Angeles Arroyo Seco Comment
  UCR223369  Arctostaphylos glauca R. G. Swinney 2009-5-20 10820 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR95383  Arctostaphylos glauca L. C. Wheeler 1966-11-19 9138 Los Angeles San Gabriel Mtns., Dagger Flat vicinity, Pacoima Canyon 747 Comment
  RSA167625  Arctostaphylos glauca var. glauca P. H. Raven, R. F. Thorne 1964-5-7 19020 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA597120  Arctostaphylos parryana T. S. Ross 1990-6-22 s.n. (post 3713 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA718067  Arctostaphylos parryana R. G. Swinney 1997-8-19 5812 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  RSA634748  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20603 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634814  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20228 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634850  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20544 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635114  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20478 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA635150  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22035 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA729316  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA778746  Argemone munita Orlando Mistretta, Christine Mistretta 2010-6-3 5248 Los Angeles Mill Creek Canyon, 1.80 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA434330  Argemone rotundata Bonnie C. Templeton 1932-7-21 5017 Los Angeles Prairie Fork San Gabriel River, near Big Pines Park Comment
  SFV7064  Artemisia biennis T. Gordon, M. H. Grayum, D. R. Perry, K. Felt 1974-11-3 764 Los Angeles Santa Monica Mountains Malibu Creek, about 0.5 miles from ocean. Comment
  RSA128010  Artemisia douglasiana Peter H. Raven, Henry J. Thompson 1959-10-18 14661 Los Angeles Mouth of Topanga Canyon, Santa Monica Mountains. 5 Comment
  RSA0104983  Artemisia douglasiana Steven A. Junak 1999-7-16 SCa- 1061 Los Angeles Santa Catalina Island. Ca. 0.1 mi inland from mouth of Cottonwood Canyon, N side of canyon, just downstream from waterfall. 9 Comment
  POM310453  Artemisia dracunculus Margaret Hardinge 1945-11-26 63 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  SFV20981  Artemisia dracunculus L. Gross, V. Soza 2003-5-15 914 Los Angeles Verdugo Mountains Northwest side of mountains. North of La Tuna Canyon Road; started at end of Elben Ave., climbed north to ridgetop, south to McDonald Creek, then east along ridgeline, then came back into a small canyon at the end of Elben Place just east of where started. Canyon bottom just above Elben Place. Small canyon that gets narrow quickly. 366 Comment
  UCR246490  Artemisia dracunculus Dan S. Cooper 2011-6-6 611- 82 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 Comment
  CAS-BOT-BC90810  Artemisia nesiotica Robert F. Thorne 1968-4-27 37508 Los Angeles Santa Barbara Island: plateau near headwaters of Middle Canyon 76 Comment
  SBBG109041  Artemisia nesiotica S. A. Junak 1996-5-31 SCl 557 Los Angeles N side of Eel Cove Cyn 76 Comment
  SBBG12507  Artemisia nesiotica P. H. Raven 1962-7-11 18006 Los Angeles upper end of first cyn S of Lemon Tank Comment
  RSA48849  Artemisia tridentata subsp. parishii J. C. Roos 1949-11-27 4704 Los Angeles Flats 4 miles east of Palmdale. 823 Comment
  UCD150961  Artemisia tridentata subsp. parishii D. S. Park 2010-4-26 47 Los Angeles Ranch Santa Ana Botanic Garden 325 Comment
  LA44568  Arthrocnemum subterminale Carl Epling; May 1934 Los Angeles Santa Monica Mountains, Mulholland Highway Comment
  SBBG77646  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 4888 Los Angeles Little Harbor, facing ocean 5 Comment
  CAS-BOT-BC146257  Arundo donax W. S. Lyon 1890-12-1 s.n. Los Angeles Borders of Los Angeles River. Comment
  RSA611050  Arundo donax L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  UCR150470  Asclepias californica R. G. Swinney 1999-6-21 7391 Los Angeles San Gabriel Mtns., Boulder Canyon, upper end near Hwy 2 1854 Comment
  UCR209215  Asclepias californica R. G. Swinney 2008-6-18 9062 Los Angeles San Gabriel Mountains, Juniper Hills at Cruthers Creek bottom, Burkhart Trail 1585 Comment
  POM3579  Asclepias eriocarpa J. F. Illingworth 1898-05 s.n. Los Angeles Claremont. 366 Comment
  UC56832  Asclepias fascicularis Ernest Braunton Sept 1902 675 Los Angeles Los Angeles Comment
  RSA629703  Asclepias fascicularis L. C. Wheeler 1967-7-6 9928 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  HSC24295  Asclepias vestita Girina Chen 1971-5-2 26 Los Angeles 15 mi. E of Palmdale, 3 mi. N of Hwy. 138 on 167th St. in Mojave Desert 854 Comment
  CATA1353  Asparagus asparagoides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2464 Los Angeles Santa Catalina Island: Middle Canyon, along road, by bridge, across from Squaw Valley residence 176 Comment
  RSA586028  Aster greatae Orlando Mistretta, Steve Boyd 1994-6-21 1388 A Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  RSA417732  Aster hesperius Anstruther Davidson 1892-08 1023 Los Angeles Cienega Comment
  POM50124  Aster subulatus var. ligulatus L. R. Abrams 1901-08 2183 Los Angeles Ballona Creek. Comment
  UCR137725  Astragalus douglasii var. douglasii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  RSA0002938  Astragalus funereus Anonymous s.n. Los Angeles Cienega Comment
  RSA680191  Astragalus lentiginosus var. antonius Valerie L. Soza, Naomi Fraga 2003-6-13 1666 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  CAS-BOT-BC187095  Astragalus lentiginosus var. borreganus Le Roy Abrams; E. A. McGregor 516 Los Angeles Palmdale, Mohave [Mojave] Desert Comment
  UCSC000910  Astragalus pachypus var. jaegeri Peter Kamb 1948-5-6 969 Los Angeles desert foothills of the San Gabriel Mts above Little Rock San Gabriel Mts; Little Rock 975 Comment
  UCD170757  Astragalus pachypus var. pachypus R. G. Swinney 2009-4-24 10431 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground. 915 Comment
  RSA599815  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-3-26 9389 Los Angeles Liebre Mountains region: Summit of Sierra Pelona Ridge near the divide between Martindale Canyon to the north and Spade Spring Canyon to the south. 1377 Comment
  RSA712917  Astragalus trichopodus A. C. Sanders, Mark A. Elvin 2003-4-16 26043 Los Angeles Santa Clara River watershed: Newhall Ranch, near confluence of Castaic Creek and Hasley Canyon. 305 Comment
  UC862876  Astragalus trichopodus var. lonchus F. R. Fosberg 1931-5-15 S 4618 Los Angeles Middle Ranch Canyon Santa Catalina Island (Eagle's Nest, Santa Catalina Id.) 180 Comment
  CAS-BOT-BC194074  Astragalus trichopodus var. lonchus Lewis S. Rose 1940-3-15 40123 Los Angeles Point Fermin 91 Comment
  RSA415706  Astragalus trichopodus var. phoxus H. C. Ackley 1927-05 s.n Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA452453  Atriplex Anstruther Davidson s.n. Los Angeles San Gabriel Mountains. Comment
  UCR192020  Atriplex A. C. Sanders 2008-4-16 34907 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.15 mi. north of Hwy 138 on the eat side of the cement plant road, 0.75 mi. ESE of Quail Lake 1021 Comment
  UCR274004  Atriplex argentea Mitch Provance 2010-5-18 510- 01 Los Angeles Westernmost Mojave Desert, Western Antelope Valley, along Lancaster Rd. (= Hwy 138), near entrance to cement plant, c. 0.6 mi. east of intersection of Lancaster Rd. and County Route N2 1021 Comment
  SBBG13611  Atriplex argentea var. expansa P. H. Raven 1962-7-12 18021 Los Angeles near point at E end of Northwest Harbor 30 Comment
  UCR68933  Atriplex californica Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4213 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA774235  Atriplex confertifolia R. G. Swinney 2009-5-5 10637 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  CAS-BOT-BC172646  Atriplex coulteri Katharine Brandegee s.n. Los Angeles Santa Catalina Isld. Comment
  CAS-BOT-BC170112  Atriplex lentiformis Charles Piper Smith 1910-8-5 2308 Los Angeles Santa Monica Comment
  UC1191362  Atriplex leucophylla Malcolm A. Nobs, S. Galen Smith 1948-9-8 645 Los Angeles mouth of creek just w Malibu; w of Malibu Comment
  CAS-BOT-BC180901  Atriplex nummularia Carl B. Wolf 1931-12-30 2635 Los Angeles Playa del Rey 30 Comment
  UCR204547  Atriplex rosea R. G. Swinney 2005-8-5 8361 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  RSA151254  Atriplex semibaccata P. H. Raven 1962-7-10 17948 Los Angeles Near west shore of island, due west of Wall 2, San Clemente Island Comment
  SD112034  Atriplex triangularis Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island; Little Harbor. Comment
  CDA23341  Atriplex triangularis T. C. Fuller 1963-10-9 11364 Los Angeles West bank of the San Gabriel River at 7th Street bridge, Long Beach. 0 Comment
  RSA453977  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA65346  Atriplex watsonii F. W. Peirson 1923-4-11 3462 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  RSA669695  Avena barbata LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 496 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. 412 Comment
  SEINET3919640  Avena barbata L. M. Prince 2002-3-26 02 -294 Los Angeles Claremont. Foothill Blvd. near Bernard Field Station.; 0 400 Comment
  UCR223020  Avena barbata R. G. Swinney 2009-5-5 10626 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  LA11003  Avena fatua s.n. Los Angeles Comment
  CATA405  Azolla filiculoides Mark L. Hoefs, A. Douglas Propst & Robert F. Thorne 1974-9-12 532 Los Angeles Santa Catalina Island: Cottonwood Stream, above bridge at main road 22 Comment
  RSA5982  Baccharis douglasii C. B. Wolf 1932-9-13 4055 Los Angeles Bryant Ranch, 250 ft. S of N boundary & 100 ft. E of drainage ditch in SE 1/4 sect. 27 about 560 ft. east and 250 ft. S of NW corner of SE 1/4 sect. 27. 5 Comment
  POM155748  Baccharis emoryi M. B. Dunkle 1928-10-7 2009 Los Angeles Santa Catalina Island, Middle Ranch Canyon. 183 Comment
  UC1605369  Baccharis malibuensis J. Henrickson with T. Thomas, C. Wishner 1991-12-5 22452 Los Angeles 0.3 mi e Las Virgenes Road (along Las Virgenes Canyon Rd, towards Cottontail Ranch, under power lines across from home at 1643 Las Virgenes Canyon Road, on Soka Univ. property); Santa Monica Mtns 234 Comment
  RSA0008309  Baccharis malibuensis James Henrickson 1993-9-3 22470 Los Angeles 0.3 miles E of Las Virgenes Road along Las Virgenes Canyon Road towards Cottontail Ranch. plant under powerlines on north side of road across from home at 1643 Las Virgenes Canyon Road; On Soka University Property 235 Comment
  LA31673  Baccharis salicifolia Peter H. Raven; 1959-9-6 14383 Los Angeles Santa Monica Mountains, at mouth of Malibu Creek 12 Comment
  SEINET5780924 Image available Baccharis salicifolia Marcus E. Jones 1882-1 3021 Los Angeles Pasadena Comment
  UCSB12932  Baccharis salicifolia Suter, Richard 1961-3-30 Los Angeles On west bank of Devil's Gate Dam reservoir, 0.5 miles north of Devil's Gate Dam north of Pasadena 274 Comment
  UC893723  Baccharis salicifolia subsp. salicifolia I. W. Clokey and E. G. Anderson 1931-3-11 5324 Los Angeles San Gabriel Canyon 900 Comment
  UCR121256  Bassia hyssopifolia J. R. Ekhoff 2001-5-16 s.n. Los Angeles Channel Islands, north end of San Clemente Island, around new nursery 500 ft. south of Natural Resources office on south side of base headquarters, c. 1.5 mi. SE of airfield 30 Comment
  CAS-BOT-BC400047  Berberis Joseph Andorfer Ewan 1932-7-4 7590 Los Angeles Millards [Millard] Canyon, San Gabriel Mts. 1158 Comment
  UCSB21055  Berberis nevinii Darland, Charles 1932-5-15 Los Angeles Pacoima Wash, San Fernando Valley Comment
  RSA0048505  Berberis nevinii Jack Pepper 1953-3-20 s.n. Los Angeles Encino park. Comment
  UC159222  Bergia texana Theodore W. Minthorn 1910-10-22 8 Los Angeles 5 miles East of Los Angeles Comment
  JEPS32543  Bidens frondosa Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  UC75844  Bidens pilosa unknown 1903-6-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC101988  Bidens pilosa David D. Keck 1932-10-10 1947 Los Angeles South Pasadena Comment
  RSA367446  Bloomeria crocea var. crocea Howard Mullins 1931-4-27 s.n. Los Angeles Griffith Park. Comment
  RSA598639  Bloomeria crocea var. crocea L. F. Street 1919-5-15 s.n. Los Angeles Puddingstone Canyon. Comment
  CAS-BOT-BC482079  Bloomeria crocea var. montana W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Pine Canyon west of Lake Hughes; found on an east facing slope of Sawmill Mountain on a dirt road 1/2 mile from base beside a road cit in an area 10 feet radius above road. 1066 Comment
  CHSC95760  Boechera arcuata LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 932 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1)). Near the saddle between Mt. Markham and Mt. Lowe. 1631 Comment
  RSA680204  Boechera californica Valerie Soza, Sarah J. De Groot 2003-6-11 1659 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  SBBG125214  Boechera californica A. Parikh, N. Gale 2010-6-22 3360 Los Angeles Upper Shortcut Cyn, 0.5 km S of St Hwy 2, 1.2 km SE of intersection of St Hwy 2 and Upper Big Tujunga Cyn Rd, San Gabriel Mtns 1400 Comment
  SFV6465  Boechera pulchra T. Gordon, W. C. Willig, K. A. Wilson 1974-4-26 164 Los Angeles Mojave Desert Littlerock. Longview Road (Co. N6) at intersection of Pallet Creek Road. 1170 Comment
  SBBG126172  Bolboschoenus maritimus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-27 36963 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
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Mar 24 2014
  SBBG128343  Bolboschoenus maritimus subsp. paludosus D. Knapp 2006-8-23 Los Angeles Cherry Valley Comment
  POM1031  Bothriochloa barbinodis I. M. Johnston 1917-11-30 1800 Los Angeles Mouth of Live Oak Canyon. 457 Comment
  UCR133749  Bowlesia incana F. R. Fosberg 1931-3-20 S- 4320 Los Angeles Channel Islands, Hamilton Canyon, Santa Catalina Island 25 Comment
  UCR271206  Boykinia rotundifolia R. G. Swinney 2011-11-1 15970 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA0066327  Brassica nigra K. Dobry 1991-5-22 d- 662 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  RSA351116  Brickellia californica Fordyce Grinnell Jr. 1911-9-11 3772 Los Angeles Bailey Canyon, San Gabriel Mts. Comment
  RSA642373  Brickellia californica Keith C. Hughes 1960-10-3 218 Los Angeles San Antonio Canyon. Mt. Range San Gabriel. 762 Comment
  RSA680065  Brickellia californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 350 Los Angeles Angeles National Forest. Glendora Ridge Road. On road cuts. 1.55 mi W of gate, just W of Cow Canyon Saddle. Comment
  CAS-BOT-BC106140  Brickellia nevinii Peter H. Raven 1959-10-25 14703 Los Angeles Santa Monica Mountains - Mulholland Highway 4.4 miles north-east of Coast Highway 243 Comment
  SD211540  Brickellia nevinii Scott D. White, Justin M. Wood 2008-10-7 12556 Los Angeles San Gabriel Mountains; San Gabriel River - West Fork, between Bear Creek and Rincon Red Box Road (Azusa) 548 Comment
  UCR61565  Brickellia nevinii R. G. Swinney 1989-7-14 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Glendora Wilderness Park, south of water tank, N end of Englewild Ave. 351 Comment
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Mar 30 2010
  UCR241020  Brodiaea filifolia Kathleen Stockwell 2006-5-28 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, north of north end of N Loraine Ave. 378 Comment
  POM1674  Brodiaea jolonensis O. W. Robinson 1946-5-7 s.n. Los Angeles Johnson s Pasture. Comment
  UC1375344  Brodiaea terrestris subsp. kernensis Gary D. Cromwell and David Wheat 1971-5-23 690 Los Angeles 2 mi ne Glendora (ne slope above lower canyon); Angeles National Forest, San Gabriel Mts., Mystic Canyon 548 Comment
  RSA679049  Bromus berteroanus Valerie L. Soza, LeRoy Gross 2002-5-8 1455 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  POM156341  Bromus carinatus Le Roy Abrams 1902-5-31 2485 Los Angeles Inglewood. Comment
  RSA385302  Bromus carinatus H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  RSA729184  Bromus carinatus R. G. Swinney 1998-7-14 6451 Los Angeles Pine Mountain Ridge; 0.8 mi. west of Camp Lupine trail. Broad ridge top' montane coniferous forest. 2262 Comment
  CATA3468  Bromus diandrus Stuart Olshevski, Julia Parish 2017-3-31 001 Los Angeles Santa Catalina Island: Interior; Roadside, northeast of Middle Ranch Reservoir 210 Comment
  LA103456  Bromus diandrus Barry A. Prigge; 1986-3-20 6973 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA650413  Bromus diandrus Richard A. Goodfellow 1948-3-29 s.n. Los Angeles Corner of Olive Ave. and Kenneth Rd. Burbank. Comment
  POM1260  Bromus grandis Le Roy Abrams 1902-6-29 1653 Los Angeles Summit of Mt. Wilson. Comment
  RSA679943  Bromus grandis LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 945 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  UC285017  Bromus hordeaceus P. A. Munz 1923-4-9 6654 Los Angeles San Clemente Island, Wilsons Cove Wilsons Cove; San Clemente Island, Wilsons Cove Comment
  UC934035  Bromus hordeaceus H. L. Cogswell 1951-5-8 95 Los Angeles 2/3 mi n of San Dimas Foothill County Park (base of San Gabriel Mountains); San Gabriel Mountains 441 Comment
  UCR149915  Bromus hordeaceus R. G. Swinney 1997-6-25 5654 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA702909  Bromus madritensis subsp. madritensis Scott D. White, Pam DeVries 2004-5-18 10411 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
  SBBG128758  Bromus madritensis subsp. rubens M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-21 1818 Los Angeles Cottonwood Cyn, SE of El Rancho Escondido 45 Comment
  SEINET2473486 Image available Bromus rubens Richard G. Swinney 2009-1 10263 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 1220 Comment
  UCD59519  Bromus rubens Geoffrey Levin 1974-4-27 42 Los Angeles San Antonio Canyon below San Antonio Dam. San Gabriel Mts. 579 Comment
  UCD59557  Bromus rubens Austin Griffiths Jr. 1969-5-15 5499 Los Angeles Along western berm of Baldwin Avenue north of Cambridge Drive. Comment
  UCR186930  Bromus rubens A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32024 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  UCR194746  Bromus rubens Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 682 Los Angeles Transverse Range: 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
  RSA679885  Bromus tectorum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 846 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SBBG56645  Bromus tectorum R. Hoffmann 1931-5-3 Los Angeles San Francisquito Cyn Comment
  UCR126819  Bromus tectorum A. C. Sanders, Mark A. Elvin 2003-6-18 26958 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  UCR190028  Bromus tectorum R. G. Swinney 1998-6-16 6985 Los Angeles San Gabriel Mtns., summit of Lookout (Antonio) Mountain 2077 Comment
  UCR273762  Bromus tectorum R. G. Swinney 2011-5-10 14635 B Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  UC1595474  Bromus trinii Tim Ross 1992-4-4 6089 Los Angeles sw Mojave Desert, Adobe Mountain Adobe Mountain; Mojave Desert, Adobe Mountain 990 Comment
  RSA583013  Caesalpinia spinosa Tim S. Ross 1993-4-23 6934 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; riparian strip ca 25 m SE of Eagles Nest Lodge. 146 Comment
  RSA0021417  Cakile maritima L. E. Hoffman 1963-7-7 s.n. Los Angeles Malibu Lagoon 1 Comment
  RSA65437  Calandrinia ciliata F. W. Peirson 1919-3-30 356 Los Angeles Tujunga Canyon, west end of San Gabriel Mts. Comment
  UCR16013  Calocedrus decurrens Steve Stadler 1966-4-17 41766- 58 Los Angeles San Gabriel Mountains, 1 mi west of Big Pines Junction on Big Pines to Palmdale 1982 Comment
  RSA377244  Calochortus albus Louis E. Hoffman 1931-5-18 s.n. Los Angeles Big Santa Anita Canyon. Comment
  RSA377288  Calochortus catalinae F. R. Fosberg 1931-3-25 S- 4359 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island. 140 Comment
  RSA377291  Calochortus catalinae Louis C. Wheeler 1932-4-2 556 Los Angeles Head of Mandeville Canyon, Santa Monica Mountains. 488 Comment
  SD69627  Calochortus catalinae Robert F. Thorne, P. Everett 1965-5-10 34464 Los Angeles Open, grassy bank on north slope of Black Jack Mountain, Santa Catalina Island. 456 Comment
  UCR149474  Calochortus catalinae Valerie Soza, Et al. 2000-5-18 945 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon 655 Comment
  POM199749  Calochortus clavatus var. clavatus I. W. Clokey, Bonnie C. Templeton 1929-05 4552 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  RSA774240  Calochortus kennedyi Richard G. Swinney 2009-5-5 10628 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR193442  Calochortus kennedyi R. G. Swinney 1999-6-5 7276 Los Angeles San Gabriel Mtns., western end of ridge extending from Big John Peak, above Big John Flat 1793 Comment
  RSA249804  Calochortus kennedyi var. kennedyi Robert F. Thorne 1973-5-11 43458 Los Angeles Mojave Desert Slope: 1/4-1/2 mile N of Bobs Gap, N slope of Holcomb Ridge, ca. 2 1/2 miles due S of Llano. 1159 Comment
  RSA377428  Calochortus plummerae Anstruther Davidson 1892-06 s.n. Los Angeles Los Angeles Comment
  RSA678119  Calochortus splendens Valerie L. Soza, LeRoy Gross 2001-5-22 1236 Los Angeles Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat. 686 Comment
  CAS-BOT-BC496762  Calochortus venustus J. Evans 1930-5-17 5514 Los Angeles North of Pico canyon near Newhall 365 Comment
  UCR281987  Calycoseris parryi R. G. Swinney 2014-4-18 16118 B Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  IRVC27796  Calystegia macrostegia A. C. Sanders 2005-5-11 30163 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  CHSC99451  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 and Mountain, Glendale. 274 Comment
  POM155652  Calystegia macrostegia subsp. intermedia D. Meadows 1928-1-7 317 Los Angeles Ridge above high school. Avalon, Santa Catalina Island. Comment
  POM184691  Calystegia occidentalis subsp. fulcrata Joseph A. Ewan 1932-6-17 7351 Los Angeles Long canyon of Arroyo Seco 1098 Comment
  RSA529205  Calystegia occidentalis subsp. fulcrata T. S. Ross, S. D. Boyd 1991-7-24 5602 Los Angeles Ridge NNE of Granite Mountain. 1926 Comment
  RSA756011  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-4-30 2579 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  RSA0008258  Calystegia sepium subsp. limnophila Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  RSA394830  Calystegia soldanella E. S. Spalding 1924-5-4 s.n. Los Angeles manhattan Beach Comment
  UC1614509  Camissonia Charles M. Belshaw 1935-3-29 479 Los Angeles NW of Lancaster (near Neenach); Mohave Desert, West Antelope Valley Comment
  IRVC26465  Camissonia bistorta A. C. Sanders, Mark Elvin, et al. 2003-3-4 25699 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA0055772  Camissonia bistorta R. G. Swinney 2010-4-28 12390 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
  RSA507987  Camissonia bistorta Steve Boyd, T. S. Ross 1988-4-28 2242 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA613089  Camissonia bistorta M. E. Siqueiros D. 1997-3-8 4371 Los Angeles Bernard Biological Field Station. NW corner of Mills Ave., and Foothill Blvd., Claremont. West of main road on Foothill entrance, junction of two fire roads, south of old infirmary. 412 Comment
  RSA758001  Camissonia bistorta D. E. Bramlet, Jennifer Pareti 2008-4-14 4187 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  UCR219906  Camissonia bistorta R. G. Swinney 2009-4-17 10385 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  RSA586650  Camissonia boothii subsp. decorticans Orlando Mistretta 1995-6-1 1755 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA587004  Camissonia boothii subsp. decorticans Orlando Mistretta 1992-5-8 292 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  RSA552483  Camissonia californica D. Charlton 1991-4-18 4830 Los Angeles Ritter Ridge, extension of 30th St. near Aqueduct 1067 Comment
  JEPS33758  Camissonia campestris W. L. Jepson 1935-4-17 17035 Los Angeles Lancaster w. Mohave Desert 716 Comment
  UCR187018  Camissonia campestris A. C. Sanders 2006-4-25 32163 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA474239  Camissonia cheiranthifolia subsp. suffruticosa L. E. Hoffman 1932-8-18 s.n. Los Angeles El Segundo. Comment
  RSA135205  Camissonia claviformis subsp. claviformis P. A. Munz 1957-5-15 22579 Los Angeles 14 miles east of Lancaster, Mojave Desert. Comment
  UCR114178  Camissonia hirtella A. C. Sanders, D. Malueg 1998-6-24 22085 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  UCR191713  Camissonia hirtella A. C. Sanders 2008-4-18 34953 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 959 Comment
  RSA191127  Camissonia micrantha Robert F. Thorne, M. Z. Thorne 1967-6-25 37093 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA449032  Camissonia micrantha Anstruther Davidson 1907-04 1754 Los Angeles Hollywood. Comment
  RSA485355  Camissonia micrantha Steve Boyd, Thomas Elias 1987-4-14 2034 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA774959  Camissonia pallida R. G. Swinney 2009-5-6 10681 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA725218  Camissonia strigulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -30 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA454098  Camissonia strigulosa H. Twining 1888-1 s.n. Los Angeles Rincon. Old river bed. Comment
  UC1922278  Camissoniopsis hirtella Valerie Soza, Miriam Sidibeh 2003-3-26 1597 Los Angeles Transverse Ranges; Verdugo Mountains; North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Drive intersection 625 Comment
  UCR223689  Camissoniopsis hirtella R. G. Swinney 2009-6-24 11258 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  UCR263071  Camissoniopsis ignota Mitch Provance 2008-4-14 10148 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
  SDSU2476  Capsella bursa-pastoris Gerald Collier 1951-3-11 M 199 Los Angeles 3634 Muscatel Ave., Rosemead. 89 Comment
  UC10291  Capsella bursa-pastoris W. H. Brewer Feb. 1861 169 Los Angeles San Gabriel Comment
  SBBG53239  Cardamine californica S. A. Junak 1978-4-16 SCa 44 Los Angeles small cyn W of Fourth of July Cove Comment
  SFV1446  Cardamine californica K. A. Wilson 1961-3-10 969 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, about 0.25 miles west of Topanga Canyon Blvd. 245 Comment
  UCR137098  Cardamine californica June Latting 1958-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., 3 miles west of Seminole Hot Springs on Mulholland Hwy 610 Comment
  UC10418  Cardamine californica var. integrifolia W. H. Brewer 1861-2-3 167 II Los Angeles San Gabriel Comment
  RSA714513  Cardaria draba A. C. Sanders, Andy Thompson 2003-4-15 26019 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park. 316 Comment
  SD31305  Carex . Ritter 1931-3-29 2022 Los Angeles Near Pasadena Comment
  UCR271179  Carex R. G. Swinney 2011-9-27 15696 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
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Sep 12 2018
  RSA364754  Carex abrupta F. H. Elmore 1936-4-27 s.n. Los Angeles Near Big Pines. Comment
  CAS-BOT-BC17655  Carex alma Tim Ross; Steve Boyd 1991-4-25 4597 Los Angeles San Gabriel Mountains.. 557 Comment
  UCR243028  Carex alma R. G. Swinney 2009-8-6 11527 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UC1133495  Carex alma Jerome S. Horton 1936-5-26 342 Los Angeles Tanbark Flat 853 Comment
  RSA602756  Carex fracta L. C. Wheeler 1967-8-2 10307 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  SEINET239001  Carex heteroneura Louis C. Wheeler 1968-6-1 Los Angeles San Gabriel Mtns.: Dorr Canyon at Angeles Crest Hwy (by whitethorn picnic area) 2347 Comment
  RSA364679  Carex praegracilis Robert Gustafson 1981-3-18 2125 Los Angeles Ballona Wetlands, Area 1. Comment
  RSA604684  Carex praegracilis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  UC128650  Carex spissa J. H. Barber 1898-7-3 795 Los Angeles Santa Monica Canyon Comment
  RSA276349  Carex triquetra E. S. Spalding 1933-4-22 s.n. Los Angeles Angeles National Forest, above Millard Canyon. Comment
  UCR205064  Carpobrotus chilensis R. G. Swinney 2008-4-4 8610 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA402597  Carpobrotus edulis F. R. Fosberg 1930-6-23 S- 2975 Los Angeles Del Rey. 1 Comment
  SBBG66843  Castilleja affinis R. Hoffmann 1929-5-21 Los Angeles Big Rock Crk Comment
  JEPS5153  Castilleja applegatei subsp. martinii F. W. Peirson 1918-5-19 209 Los Angeles Millards Canyon San Gabriel Mountains 853 Comment
  RSA191118  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1967-6-25 37102 Los Angeles upper portion of Evey Canyon 884 Comment
  RSA549192  Castilleja applegatei subsp. martinii Tim S. Ross, Peter Fritsch 1990-6-20 3674 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  JEPS8767  Castilleja foliolosa Frank W. Peirson 1918-5-19 208 Los Angeles Echo Mt. San Gabriel Mountains 762 Comment
  RSA400561  Castilleja foliolosa Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. 335 Comment
  CAS-BOT-BC243780  Castilleja gleasoni Timothy S. Ross; Steve Boyd 1990-5-23 2641 Los Angeles North-norhwesterly ridge descending from Messenger Peak on the watershed divide between Mill Canyon and Moody Canyon, Mt. Gleason area, San Gabriel Mountains 1304 Comment
  RSA505067  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Lightning Point Group campground; near the perimeter of the campground. Comment
  RSA555349  Castilleja subinclusa subsp. subinclusa D. Charlton 1991-5-21 5231 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  POM175393  Caulanthus amplexicaulis var. amplexicaulis Helen E. Sweet, West, E. Crow 1930-7-12 s.n. Los Angeles Trail near North Baldy Peak, San Gabriel Mts. Comment
  UCR190614  Caulanthus heterophyllus R. G. Swinney 2000-6-25 7798 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 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
  CAS-BOT-BC39565  Caulanthus major Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3361 Los Angeles San Gabriel Mountains. Big Rock Creek Canyon. Ca. 120 m north northwest of Icy Springs. 1731 Comment
  CAS-BOT-BC47918  Ceanothus arboreus A. J. McClatchie 1893-9-14 s.n. Los Angeles Catalina Island Comment
  RSA156060  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Santa Catalina Island: Farnsworth Loop on summit road. 244 Comment
  SD52986  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Santa Catalina Island, Farnsworth Loop on summit road 244 Comment
  SEINET11191184  Ceanothus crassifolius var. planus I. Thompson 1949-11-7 13120 Los Angeles Hills above Eagle Rock, Los Angeles Comment
  SEINET12210445  Ceanothus cuneatus C. V. Braun 1975-1 136 Los Angeles San Francisquito Canyon Road, 2 mi SW of jct w/Spunky Canyon Rd Comment
  RSA549803  Ceanothus cuneatus var. cuneatus Wandalee Thompson 1964-4-18 26 Los Angeles Pine Canyon, N-2, 7 miles west of Elizabeth Lake. 1128 Comment
  SBBG68341  Ceanothus integerrimus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR114213  Ceanothus integerrimus A. C. Sanders, D. Malueg 1998-6-24 22076 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  CAS-BOT-BC50598  Ceanothus leucodermis H. E. McMinn 1925-8-6 1553 Los Angeles San Gabriel Mountains: Sawpit Canyon Comment
  JEPS85804  Ceanothus leucodermis Roy E. Buck 1989-6-23 1350 Los Angeles ca 0.1 air km nnw Icy Springs (lowermost ne facing slope of canyon of upper Big Bear Creek, 26 air km nn3 o fGlendora, just e of ruins of old house); San Gabriel Mts. 1737 Comment
  UCR223171  Ceanothus leucodermis R. G. Swinney 2009-7-22 11324 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  LA44910  Ceanothus megacarpus C. & M. Epling; 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  POM8740  Ceanothus megacarpus P. A. Munz, R. D. Harwood 1920-5-15 3959 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA399702  Ceanothus megacarpus var. insularis M. B. Dunkle 1929-3-17 2059 Los Angeles Cape Canyon, Catalina Island Comment
  UC1184983  Ceanothus megacarpus var. megacarpus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  UCR23451  Ceanothus oliganthus John C. Roos 1942-3-21 1097 Los Angeles San Gabriel Mtns, Santa Anita Canyon 244 Comment
  UCSB3949  Ceanothus oliganthus Wedberg, Lee 1954-3-1 Los Angeles San Gabriel Mtns. 457 Comment
  POM310390  Ceanothus oliganthus var. oliganthus Margaret Hardinge 1946-3-11 143 Los Angeles Big Dalton Canyon. 457 Comment
  UC55334  Ceanothus spinosus J. H. Barber 1897-1-9 12 Los Angeles Santa Monica Canyon Comment
  IRVC14313  Cedrus deodara P. W. Rundel 1964-12-6 1493 Los Angeles Claremont; Pomona College; Marston Quad. Southern Coastal 366 Comment
  RSA719158  Celtis australis R. E. Riefner 2006-7-18 6 -304 Los Angeles City of Pasadena, San Rafael Hills, canyon in vicinity of Candeo Pl. and Wierfield Dr. Comment
  UCD129950  Centaurea cineraria Jeannette L. Huber 1979-5-23 1738 Los Angeles Los Angeles State and County Arboretum, Arcadia; (location, west side of parking lot, section F-2-SW). Comment
  POM12331  Centaurea melitensis F. L. Robinson 1921-6-2 90 Los Angeles Between Claremont and Upland Comment
  RSA593591  Centaurium exaltatum Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8833 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  UCR146884  Centaurium venustum Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, North Padua Ave at intersection with Palmer Canyon Rd., NNE of Claremont 564 Comment
  UCR179295  Centranthus ruber R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  RSA533449  Centranthus ruber Tim S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road. 274 Comment
  CAS-BOT-BC279601  Centromadia pungens subsp. pungens H. M. Hall 1930-11-1 12985 Los Angeles Antelope Valley. Between Rosamond and Lancaster Comment
  UCD166197  Centrostegia thurberi Jack Major 1962-4-15 762 Los Angeles Desert near Pearblossom. (Exact location unkown. Coordinates estimated by label maker.) 930 Comment
  SBBG127991  Cerastium glomeratum M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2826 Los Angeles hillside above New York Harbor 54 Comment
  SBBG119358  Ceratophyllum demersum L. C. Wheeler 1946-8-24 6232 Los Angeles Crystal Lake 1676 Comment
  RSA657449  Cercocarpus betuloides C. Schapiro 1979-5-28 24 Los Angeles Verdugo Mountains: On fire road at intersection of Haines Canyon Road and Day St., Tujunga 671 Comment
  SBBG54064  Cercocarpus betuloides var. betuloides A. Griffiths Jr. 1962-4-11 4496 Los Angeles Chantry Flat, Big Santa Anita Cyn, N of Arcadia 762 Comment
  SBBG70713  Cercocarpus betuloides var. betuloides R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  SD215643  Cercocarpus betuloides var. betuloides Steve Boyd, Lauren Raz 1997-3-25 9298 Los Angeles Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 kilometer northeast of Knapp Ranch 1096 Comment
  UC12144  Cercocarpus betuloides var. betuloides W. H. Brewer Jan. 1861 123 Los Angeles San Gabriel Comment
  UCR271547  Cercocarpus betuloides var. betuloides R. G. Swinney 2011-11-3 15993 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  UC859400  Cercocarpus betuloides var. blancheae Geo. C. Roeding 1922-2-18 Los Angeles Santa Catalina Island Comment
  UCR124715  Cercocarpus ledifolius B. C. Templeton 1933-6-16 5131 Los Angeles San Gabriel Mtns., East Blue Ridge, Big Pines Park, Angeles National Forest 2195 Comment
  UC1127892  Cercocarpus ledifolius var. ledifolius A. E. Wieslander April, 1928 21 Los Angeles Big Rock Creek Wash, Angeles National Forest Big Rock Creek Wash; Angeles National Forest, Big Rock Creek Wash 1188 Comment
  JEPS45572  Cercocarpus traskiae Blanche Trask 1834-3-31 Los Angeles Santa Catalina Island Comment
  SEINET10483785  Cercocarpus traskiae Jon Ricketson, Heidi H. Schmidt 1992-1 Los Angeles Comment
  RSA0087064  Chaenactis artemisiifolia R. G. Swinney 2010-5-4 12518 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  CAS-BOT-BC279516  Chaenactis artemisiifolia D. L. Crawford 1916-7-26 s.n. Los Angeles Laguna Beach Region. Aliso Canyon Comment
  POM351715  Chaenactis fremontii John S. Garth 1948-4-21 2687 Los Angeles Littlerock 762 Comment
  UCD168219  Chaenactis glabriuscula J. W. Barry 1980-5-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR241081  Chaenactis glabriuscula Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  JEPS8818  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1935-4-17 17058 Los Angeles Portal Ridge Comment
  RSA503482  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1973-5-11 43529 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  RSA587113  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta 1995-4-21 1641 Los Angeles San Gabriel Mountains, Little Rock Creek, un-named Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile N of Kitter Canyon 1280 Comment
  RSA709683  Chaenactis glabriuscula var. glabriuscula LeRoy Gross 2005-4-28 2174 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  UC31022  Chaenactis glabriuscula var. glabriuscula J. Burtt Davy May 9 1896-May 24 1896 2582 a Los Angeles Lansing's, West Palmdale Antelope Valley, West Palmdale Comment
  OBI45224  Chaenactis glabriuscula var. orcuttiana Rudy Mattoni 1986-4-1 Los Angeles El Segundo Dunes, back edge of the beach just W of Los angeles international airport. Comment
  CAS-BOT-BC277829  Chaenactis santolinoides Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Hwy. 2 near Camp Valcrest, San Gabriel Mts. 1828 Comment
  RSA598079  Chaenactis santolinoides Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3774 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  CAS-BOT-BC277872  Chaenactis stevioides John Thomas Howell 1930-5-12 4884 Los Angeles 3 miles south of Palmdale, Mojave Desert Comment
  UCR223816  Chaenactis stevioides R. G. Swinney 2009-6-17 11182 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
  UCSB18319  Chaenactis xantiana Mori, Dianna 1964-5-3 Los Angeles Old Ridge Road, 3 miles from State Highway 138 1127 Comment
  RSA0068307  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12705 Los Angeles Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone. 921 Comment
  RSA590930  Chamaesyce albomarginata Orlando Mistretta 1994-4-12 1021 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1159 Comment
  RSA613599  Chamaesyce albomarginata L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 472 Comment
  RSA656197  Chamaesyce melanadenia Joseph M. Keefe 1977-6-10 22062 Los Angeles Northern Verdugo Mountains; 1 km south of La Tuna Canyon Road on Fire Break Road West, Sun Valley 457 Comment
  RSA498539  Chamaesyce melanadenia L. C. Wheeler 1934-4-22 2535 Los Angeles S slope , decomposed granite W side near mouth of Santa Anita Canyon. 518 Comment
  RSA599348  Chamaesyce melanadenia L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  RSA70535  Chamaesyce melanadenia F. W. Peirson 1924-12-5 5380 Los Angeles Large colony on open bank above trail; Little Samnta Anita Canyon. Comment
  RSA594996  Chamaesyce serpillifolia Mark Hoefs, R. F. Thorne, Janet Takara, M. Gay 1995-7-27 2496 Los Angeles Santa Catalina Island, Upper Bulrush Reservoir. 293 Comment
  UC110667  Chamaesyce serpyllifolia Ernest Braunton 1901-8-5 122 Los Angeles Cienega Comment
  SEINET13243940  Cheilanthes californica Unknown 1944-1 s.n. Los Angeles Monrovia Canyon, L.A. Co. [Los Angeles County] Comment
  CAS-BOT-BC70018  Cheilanthes covillei Marcus E. Jones 1882-2-27 3033 Los Angeles Pasadena Comment
  UCR189818  Chenopodium R. G. Swinney 1998-9-4 6889 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  RSA730186  Chenopodium album var. striatum R. G. Swinney 1998-9-4 6905 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA522952  Chenopodium ambrosioides T. S. Ross, Orlando Mistretta 1990-10-26 3315 Los Angeles off the N side of Horse Canyon saddle in upper reaches of Horse Canyon drainage 853 Comment
  RSA636088  Chenopodium ambrosioides L. C. Wheeler 1967-5-29 9769 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  SBBG65290  Chenopodium berlandieri R. Hoffmann 1931-10-1 Los Angeles near Bob's Place, Mint Cyn Comment
  UCR126574  Chenopodium berlandieri A. C. Sanders 2003-4-16 26031 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  RSA799861  Chenopodium botrys Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 3 Los Angeles Glendora Ridge Road 1288 Comment
  SEINET3860071  Chenopodium californicum R. G. Swinney 2009-4-2 10250 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.; 0 1223 Comment
  UCD98134  Chenopodium californicum A. C. Sanders 2005-5-11 30152 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Cyns. 610 Comment
  UCR168285  Chenopodium californicum Reid Moran 1941-2-17 578 Los Angeles Channel Islamds, Middle Ranch, south side of San Clemente Island 500 Comment
  RSA188248  Chenopodium murale R. F. Thorne, P. C. Everett 1965-6-23 35012 Los Angeles Santa Catalina Island, lower part of Hamilton Canyon along stream bed. 61 Comment
  RSA550716  Chenopodium murale T. S. Ross, Annette H. Ross 1991-7-29 5688 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 317 Comment
  UCR132653  Chenopodium strictum Sharon Dougherty 1997-9-7 s.n. Los Angeles San Gabriel Mtns., Kratka Ridge, Angeles National Forest 2073 Comment
  UCR19018  Chloris gayana John C. Roos, A. R. Roos 1950-9-16 4987 Los Angeles Los Angeles, Santa Monica Blvd. at Midvale Ave. 61 Comment
  SBBG122081  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2002-5-4 1737 Los Angeles 1.5 km S of Castaic Junction, 0.5 km W of Six Flags Magic Mtn 345 Comment
  UCR177502  Chorizanthe spinosa LeRoy Gross 2005-5-19 2306 Los Angeles Western Mojave Desert, S of Ave A (Kern Count boundary) east of the #14 freeway. south of the city of Rosamond. Between 20th Street W and Sierra Highway. Started at Ave A 728 Comment
  UC1018183  Chorizanthe staticoides J. Warren 1952-5-27 Los Angeles Las Flores Canyon 548 Comment
  UCR269121  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2008-5-3 2628 Los Angeles Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 26 per TRTP Survey 2008), in the vicinity of Portal Ridge, southeast of Goode Hill Road 1011 Comment
  RSA698751  Chorizanthe watsonii LeRoy Gross, Paul Morton 2004-6-9 1360 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1732 Comment
  UCR42568  Chrysopsis villosa L. F. LaPre, T. Mulroy 1986-4-7 s.n. Los Angeles San Gabriel Valley, City of Irwindale, near junction of Foothill Blvd & Irwindale Ave., between gravel pit and the San Gabriel River channel 168 Comment
  SBBG126144  Cicer arietinum A. C. Sanders with T. B. Salvato, M. Provance 2009-5-26 36931 Los Angeles San Gabriel River between Bassett and S El Monte, from Hwy 60 crossing to above confluence with Sa Jose Crk, vicinity of Thienes Ave public access to San Gab Riv greenway 71 Comment
  RSA0073606  Cirsium occidentale var. californicum R. G. Swinney 2010-4-23 12339 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA602443  Cirsium occidentale var. californicum Scott D. White 1997-5-8 5084 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  SBBG31410  Cirsium occidentale var. coulteri R. F. Thorne 1966-4-6 Los Angeles ca. 1 mi W of Empire Landing 76 Comment
  RSA534136  Cirsium occidentale var. occidentale Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5058 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  CAS-BOT-BC285795  Cirsium vulgare Louis C. Wheeler 1932-7-14 1932 Los Angeles Lexington Wash near El Monte 73 Comment
  RSA791868  Cissus hypoglauca Robert F. Thorne 1977-7-6 49641 Los Angeles Claremont. Comment
  RSA0031450  Cistanthe monandra Orlando Mistretta, Christine Mistretta 2008-5-15 3073 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  UCR199601  Cistus creticus Scott D. White, J. Wood 2008-5-7 11942 Los Angeles Puente/Chino Hills, SCE powerline corridor, east of 57 fwy and south of Diamond Bar 274 Comment
  RSA747094  Cistus ladanifer A. C. Sanders, T. B. Salvato 2009-5-19 36832 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA764495  Cistus salviifolius Orlando Mistretta, Christine Mistretta 2008-5-2 2611 Los Angeles N edge of the San Gabriel Mtns, Soledad Cyn, Southern California Edison substation in the vicinity of Vincent. Comment
  RSA524974  Clarkia Tim S. Ross, Steve D. Boyd 1990-6-6 2830 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  LA82396  Clarkia bottae O. H. Kappler; 1941-6-2 41 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA453479  Clarkia bottae Bonnie C. Templeton 1930-5-27 1464 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  SEINET235622  Clarkia dudleyana Scott D. White 1997-5-8 5075 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom ajd adjacent slopes below Morris Dam. 275 Comment
  UCR206120  Clarkia dudleyana R. G. Swinney 2008-5-30 8904 Los Angeles San Gabriel Mtns., San Gabriel Canyon near El Encanto, 200 m west of entrance along Hwy 39 232 Comment
  UCR48858  Clarkia dudleyana Steve Morgan 1974-5-17 143 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  UCSB4373  Clarkia dudleyana Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon; along lower road; San Gabriel Mtn Range 731 Comment
  CATA513  Clarkia epilobioides Sara L. Crockett 1997-4-9 658 Los Angeles Santa Catalina Island: 1.0 mile up Hermit Gulch Trail from Hermit Gulch CG, S side of trail ca. 10 m upslope 304 Comment
  OBI5866  Clarkia epilobioides Carl B. Wolf 1932-5-10 3521 Los Angeles Equestrian trl back of Avalon, Santa Catalina Isl 244 Comment
  RSA579515B  Clarkia heterandra Tim S. Ross, Steve D. Boyd 1994-6-23 8062 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  UCR952  Clarkia purpurea B. L. Estes 1961-4-1 s.n. Los Angeles San Gabriel Mtns., Altadena, Eaton Wash, 1 mile south of bridge 400 Comment
  POM3135  Clarkia purpurea subsp. quadrivulnera C. F. Baker 1901-03 4713 Los Angeles Hills near Claremont. Comment
  RSA191095  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne 1967-6-25 37117 Los Angeles Evey Canyon 716 Comment
  UC1871032  Clarkia purpurea subsp. quadrivulnera T. S. Ross, W. Appleby 1993-5-19 7168 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road; San Fernando 7.5' USGS quad; R15W T3N, NW/4 SE/4 NE/4 SE/4 sect 9; ca 3120 ft elevation. 951 Comment
  RSA448334  Clarkia rhomboidea Anstruther Davidson 1892-6-14 s.n. Los Angeles Wilson's Peak. Comment
  RSA567179  Clarkia rhomboidea Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4001 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA73348  Clarkia rhomboidea F. W. Peirson 1927-5-21 7300 Los Angeles North side of canyon of Rock Creek 1524 Comment
  UCR223139  Clarkia rhomboidea R. G. Swinney 2009-7-22 11356 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA729824  Claytonia parviflora subsp. viridis R. G. Swinney 1998-7-2 6262 Los Angeles San Gabriel Mtns.: NE of Table Mountain, Wrightwood area, 0.8 mi NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  UCR223591  Claytonia parviflora subsp. viridis R. G. Swinney 2009-6-8 11081 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
  CATA1449  Claytonia perfoliata subsp. mexicana Mark L. Hoefs, Robert F. Thorne 1996-4-6 2631 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  CAS-BOT-BC439963  Claytonia perfoliata subsp. mexicana John I. Carlson 1918-4-24 s.n. Los Angeles Country adjacent to Los Angeles. Griffith Park Comment
  RSA597776  Claytonia rubra subsp. rubra Steve Boyd, Lauren Raz 1997-3-14 9170 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon. 1450 Comment
  RSA762292  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-5 2654 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  POM153288  Clematis ligusticifolia P. A. Munz, I. M. Johnston 1928-9-4 11144 Los Angeles Bouquet Canyon. 762 Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 Los Angeles Lancaster Comment
  UCR264700  Collinsia bartsiifolia Mitch Provance, Callen Huff 2009-4-28 10734 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA555354  Collinsia bartsiifolia var. davidsonii D. Charlton 1991-5-21 5223 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  RSA79814  Collinsia callosa F. W. Peirson 1923-5-25 3530 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  LA91449  Collinsia heterophylla Bruce Douglas Clayton; Greg Shaw 1972-4-1 49 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Shovel Spring. 502 Comment
  POM183478  Collinsia heterophylla Joseph A. Ewan 1929-5-4 3464 Los Angeles Santa Monica Mountains, Santa Ynez Canyon. Comment
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Apr 15 2014
  CAS-BOT-BC240943  Collinsia parryi Frank W. Peirson 1923-5-21 3514 Los Angeles San Gabriel Mts., Fish Canon [Canyon] Comment
  CAS-BOT-BC240952  Collinsia parryi Geo. B. Grant 1905-5-4 6500 Los Angeles Garvanza, Arroyo Seco Comment
  RSA0104905  Colutea arborescens R. G. Swinney 2011-10-25 15871 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
  CAS-BOT-BC59719  Comarostaphylis diversifolia subsp. planifolia H. E. Hasse 1906-1-1 s.n. Los Angeles Santa Monica Range. Comment
  RSA467091  Comarostaphylis diversifolia subsp. planifolia Anonymous 1900-04 s.n. Los Angeles Santa Monica Mts. So. Cal. Upper Las Tunas Canyon. Comment
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Dec 24 2007
  SBBG13722  Constancea nevinii P. H. Raven 1962-4-12 17312 Los Angeles below the Tomb 121 Comment
  RSA188284  Convolvulus arvensis R. F. Thorne 1966-6-1 36505 Los Angeles Santa Catalina Island: dry slopes near margin of reservoir at upper end of Cape Canyon. Comment
  RSA652786  Convolvulus arvensis S. Koukol, R. Koukol 1998-5-3 28 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  SBBG131133  Convolvulus arvensis S. A. Junak 1999-5-21 SCa 970 Los Angeles E side of KBRT Valley, E of radio antennas 457 Comment
  CATA1731  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Denise Knapp 2000-5-5 3078 Los Angeles Santa Catalina Island: Near road below El Rancho Escondido 146 Comment
  RSA720489  Conyza canadensis R. G. Swinney 1997-9-27 5879 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam 488 Comment
  UCR182244  Conyza canadensis R. G. Swinney 1997-9-27 5879 Los Angeles San Gabriel Mountains, Live Oak Canyon, c. 1.6 mi. north of Baseline Rd., 0.8 mi. due north of Live Oak Canyon Dam 488 Comment
  RSA755625  Cordylanthus nevinii R. G. Swinney 2008-7-15 9205 Los Angeles Winston Peak. 2275 Comment
  RSA719741  Cordylanthus rigidus subsp. setiger R. G. Swinney, D. W. Larson 1996-8-7 5227 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  POM355971  Coreopsis californica J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  RSA252920  Coreopsis californica var. californica R. F. Thorne, C. W. Tilforth 1973-4-20 43041 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  UC133523  Coreopsis californica var. californica Miss Alice Eastwood 1903-4-15 4090 Los Angeles Comment
  POM356023  Coreopsis gigantea M. B. Dunkle 1929-4-7 2117 Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA167840  Coreopsis gigantea R. F. Thorne, Percy C. Everett 1964-2-7 33449 Los Angeles Santa Catalina Island. E of Avalon on Road to Pebbly Beach 8 Comment
  RSA0094175  Corethrogyne filaginifolia R. G. Swinney 2011-10-13 15793 Los Angeles San Gabriel Mountains: Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  CLARK-A1528-2614  Cornus sericea subsp. sericea John C. Roos 1950-7-15 4851 Los Angeles San Gabriel Mountains 60 Comment
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Dec 2 2014
  UC56496  Cornus sericea subsp. sericea Ernest Braunton Aug 1902 652 Los Angeles Oak Knoll Comment
  RSA0076092  Cotoneaster lacteus R. G. Swinney 2000-5-10 7680 Los Angeles Azusa, San Gabriel River Canyon, 1.2 miles NE of Sierra Madre Ave. on shoulder of Hwy 39. 244 Comment
  UCR104193  Cotoneaster pannosus Scott D. White 1997-5-21 5201 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
  RSA763024  Crassula connata R. G. Swinney 2009-3-13 10109 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel 192 Comment
  SBBG17378  Crassula connata K. A. Wilson 1962-4-3 1262 Los Angeles Old Topanga Cyn Rd, one half mi NW of New Topanga Cyn Rd Comment
  UCR142755  Crassula tillaea L. C. Wheeler 1967-5-7 9286 Los Angeles San Gabriel Mtns, vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon, north side of Sunset Ridge, northeast of reservoir 625 Comment
  UC1121538  Crocanthemum scoparium var. vulgare H. S. Yates 1937-6-24 6597 Los Angeles San Gabriel Wash Pomona Quad. 167 Comment
  UC450896  Crocanthemum scoparium var. vulgare F. A. MacFadden 1931-4-10 2582 Los Angeles Tejunga Canyon 426 Comment
  CAS-BOT-BC175832  Crossosoma californicum Carl B. Wolf 1932-5-9 3493 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due West of Pebbly Beach 304 Comment
  NY268585  Crossosoma californicum F. R. Fosberg 1931-1 S 4522 Los Angeles Avalon Valley, Santa Catalina Island. Comment
  POM1529  Crossosoma californicum C. F. Baker 1904-3-10 4074 Los Angeles Santa Catalina Island Comment
  RSA595430  Crossosoma californicum Mark Hoefs 1996-4-6 2646 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  SD69030  Crossosoma californicum Robert F. Thorne, D. Propst 1968-5-29 37706 Los Angeles Santa Cataline Island, Hamilton Canyon 29 Comment
  LA204935  Croton californicus A. M. Johnson; 1928-3-13 2856 Los Angeles Del Rey Hills Comment
  UCSB41835  Croton californicus Thompson, Don 1970-4-25 Los Angeles Junction of Haven and Wilson, 1 mi. W of Chaffey College 670 Comment
  RSA479361  Croton californicus var. californicus B. C. Templeton 1938-8-10 6637 Los Angeles Foredune [?} El Segundo to Playa del Rey Comment
  RSA249773  Cryptantha barbigera R. F. Thorne 1973-4-20 42992 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
  SD113303  Cryptantha circumscissa Darley F. Howe 1947-5-4 1776 Los Angeles Vincent, Western MoJave Desert Comment
  UC1250451  Cryptantha circumscissa Isabelle Tavares and Valera Brinson 1962-4-16 275 Los Angeles near Palmdale (2.7 mi e of Hwy 6, on hwy connecting with Angeles Crest Hwy (Hwy 2)) Comment
  UC402793  Cryptantha clevelandii Crawford and Hiatt 1916-3-29 995 Los Angeles Topanga Canyon Santa Monica Mts. Comment
  RSA518034  Cryptantha decipiens Steve Boyd 1986-3-31 1576 -B Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  RSA587252  Cryptantha decipiens Orlando Mistretta 1994-5-13 1200 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon. 1067 Comment
  UCR138551  Cryptantha decipiens Steve Boyd 1986-3-30 1515 Los Angeles Mojave Desert, Hwy 18, 0.5 mi east of jct with Hwy 138, NE of Pinyon Hills 1037 Comment
  LA94301  Cryptantha intermedia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  UCR200027  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway 549 Comment
  POM368242  Cryptantha intermedia E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  SBBG105336  Cryptantha intermedia H. L. Ferguson 1980-3-24 127 Los Angeles E side just S of Nots Cyn 60 Comment
  SBBG98530  Cryptantha intermedia T. Ross 1991-5-21 5432 Los Angeles upper Box Cyn above area where cyn bottom is 1175 ft 396 Comment
  POM71366  Cryptantha intermedia var. intermedia H. E. Hasse 1890-04 7089 Los Angeles [Los Angeles?] Comment
  UCR157744  Cryptantha leiocarpa A. C. Sanders 1988-5-18 7826 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA656781  Cryptantha micromeres Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 711 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. 548 Comment
  UCR258804  Cryptantha microstachys R. G. Swinney 2010-5-25 12983 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  RSA0110792  Cryptantha muricata R. G. Swinney 2011-4-28 14529 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. 878 Comment
  UCR139908  Cryptantha muricata Scott D. White 1997-5-14 5136 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR190521  Cryptantha muricata R. G. Swinney 2000-6-19 7817 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA0096980  Cryptantha muricata var. denticulata Richard G. Swinney 2011-5-31 14907 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA0020302  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5096 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0021875  Cryptantha muricata var. jonesii Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5106 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0079347  Cryptantha muricata var. jonesii R. F. Thorne, C. W. Tilforth 1971-6-29 40723 Los Angeles San Gabriel Mountains region: Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1372 Comment
  RSA0079601  Cryptantha muricata var. muricata LeRoy Gross 2005-4-28 2161 -b Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  UCR162757  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-6-6 2854 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  RSA0079219  Cryptantha muricata var. muricata R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42106 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake. 1433 Comment
  RSA0079553  Cryptantha muricata var. muricata Joseph A. Ewan 1929-7-10 2087 Los Angeles Barley Flats, San Gabriel Mts. 1716 Comment
  RSA0079623  Cryptantha muricata var. muricata T. S. Ross 1993-5-16 7157 Los Angeles Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton Canyons; ca 850-930 m NW of Horse Canyon Saddle. 1024 Comment
  SBBG63847  Cryptantha oxygona R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SBBG63851  Cryptantha oxygona R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  UCR205621  Cryptantha oxygona R. G. Swinney 2008-5-12 8834 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
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Dec 4 2012
  UCR220277  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  UCR77575  Cryptantha simulans T. S. Ross, Steve Boyd 1990-6-18 3466 Los Angeles San Gabriel Mtns., Camp Verdugo Pines and vicinity, northerly draw draining to Jackson Lake 1915 Comment
  UCR125126  Cucurbita foetidissima A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25106 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 366 Comment
  UCR194584  Cuscuta R. G. Swinney 1998-7-24 6562 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  CDA39967  Cuscuta indecora var. neuropetala T. C. Fuller 1958-8-5 3970 Los Angeles North side of Avenue K, east of 30th Street, Lancaster. 0 Comment
  CATA289  Cuscuta occidentalis Mark L. Hoefs 1973-5-21 306 Los Angeles Santa Catalina Island: First ridge beyond Renton Mine Road entry gate, south exposure 121 Comment
  RSA647904  Cuscuta pentagona LeRoy Gross, Wayne Law 2000-8-8 253 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. 325 Comment
  IRVC27953  Cuscuta subinclusa A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27144 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle NE end of Santa Susana Mtns. 280 Comment
  RSA409723  Cuscuta subinclusa T. S. Clare 1929-5-29 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  RSA0065398  Cycladenia humilis Marion P. Harthill 1971-9-25 596 Los Angeles Mt. Baden Powell, Angeles National Forest. 2834 Comment
  UCR207984  Cycloloma atriplicifolium L. C. Wheeler 1932-8-6 1126 Los Angeles San Gabriel Valley, 2 miles NNE of Claremont 427 Comment
  UCR205667  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato 2009-5-20 36884 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  SD177556  Cylindropuntia acanthocarpa var. coloradensis Louis C. Wheeler 1968-9-8 Los Angeles San Gabriel Mountains, Grandview Canyon. Dry, sunny, gravelly sandy loam bench in canyon bottom. 1463 Comment
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Nov 12 2014
  RSA714063  Cynodon dactylon G. Ocampo 2006-3-19 1673 Los Angeles Parque ubicado en Claremont Blvd., entre Arrow Route y First St., lado W de la calle. Claremont. Comment
  UC1587226  Cynodon dactylon Tim Ross 1991-5-20 5366 Los Angeles upper s branch of the un-named drainage that empties to sea just n Jack Point Lighthouse; n third San Clemente Island 167 Comment
  UCR125619  Cynodon transvaalensis A. C. Sanders 2003-5-22 26810 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA754200  Cyperus eragrostis Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1798 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  UCD141093  Cyperus esculentus Louis C. Wheeler 1932-8-9 1127 Los Angeles 2 miles SW Azusa. 106 Comment
  RSA751261  Cyperus niger A. C. Sanders, Dan S. Cooper 2008-1-11 34416 Los Angeles Long Beach, El Dorado Park, near 605 Fwy, Willow St. and the San Gabriel River 1 Comment
  UCR129508  Cyperus odoratus A. C. Sanders, Mark Elvin 2002-6-20 25233 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  UCR209955  Cyperus odoratus R. G. Swinney 2008-9-9 9333 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UCR272916  Cyperus odoratus Steven A. Junak 2000-10-12 SCa- 1409 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  RSA773303  Cystopteris fragilis R. G. Swinney 2009-6-3 11055 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA188707  Cytisus monspessulanus R. F. Thorne 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble [Pebbly] Beach road 30 Comment
  UCR181154  Cytisus striatus R. E. Riefner Jr. 2006-6-12 06- 239 Los Angeles Transverse Range, East of Sunland, Verdugo Mountains, north side of 210 Freeway c. 0.6 mi west of La Tuna Canyon Rd. intersection 475 Comment
  CAS-BOT-BC190454  Dactylis glomerata Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6951 Los Angeles Santa Catalina Island. West end of island beyond the isthmus, on main east-west ridgetop ca. 615 m east of Granite Triangulation Point and 620 m west northwest of Oak Triangle Point. 487 Comment
  RSA650357  Dactylis glomerata Nancy Gould 1977-5-13 24 Los Angeles Cal Poly Campus, Pomona. Comment
  RSA0113911  Dactylis glomerata Steven A. Junak 1999-4-23 SCa- 857 Los Angeles Santa Catalina Island. W fork of canyon above Howland's Landing, above road. 524 Comment
  RSA596481  Datisca glomerata L. C. Wheeler 1967-5-24 9714 Los Angeles San Gabriel Mountains. Indian CanyonCampground 822 Comment
  UCR243017  Datisca glomerata R. G. Swinney 2009-8-6 11519 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR43296  Datisca glomerata David Charlton 1986-6-15 273 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
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Jun 26 2008
  RSA226115  Datura wrightii Robert F. Thorne, C. W. Tilforth 1971-6-17 39895 Los Angeles N slope of San Gabriel Mts., along Soledad Canyon Road, ca. 2 mi. W of Soledad Station 579 Comment
  UCD127425  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe Railroad, east of the San Gabriel River channel. 170 Comment
  UCR126758  Daucus pusillus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26133 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
  CAS-BOT-BC130937  Deinandra clementina Katharine Brandegee s.n. Los Angeles Santa Catalina Island Comment
  LA92009  Deinandra clementina Peter H. Raven; 1962-5-22 17836 Los Angeles Santa Catalina Island, at the Isthmus Comment
  SBBG101154  Deinandra clementina T. Ross 1992-4-14 6157 Los Angeles just below the mouth of Nanny Cyn on ridge that separates Nanny Cyn drainage from the escarpment 99 Comment
  SD53046  Deinandra clementina Peter H. Raven 1962-5-23 17856 Los Angeles Santa Catalina Island; ocean bluffs at east side of Avalon Bay. Comment
  SBBG131500  Deinandra clementina S. A. Junak, B. Collins 1991-4-24 SCI 179 Los Angeles W side of W Shore Rd 36 Comment
  LA200234  Deinandra fasciculata Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4612 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  CAS-BOT-BC299266  Deinandra fasciculata Tim Ross 1992-6-15 6590 Los Angeles Ridgetop between two un-named canyons that drain ENE toward Orange Grove Avenue in Hacienda Heights, Whitteier Hills (local name for the western extremity of the Puente Hills) 321 Comment
  RSA0100135  Delairea odorata R. G. Swinney 2011-3-15 14081 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  LA52181  Delphinium cardinale Monte Lloyd; 1950-7-15 500715p 1205 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, near junction of Tuna Canyon Road with Saddle Peak Rd. 761 Comment
  UC741186  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles brush land 1/2 mi ne San Dimas County Park; San Dimas Canyon Wash Comment
  RSA0005312  Delphinium inflexum Robert Kessler 1927-05 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  RSA398700  Delphinium parishii R. S. Woglum 1935-5-6 730 Los Angeles Palmdale. Comment
  RSA587265  Delphinium parishii subsp. parishii Orlando Mistretta 1994-5-13 1216 Los Angeles San Gabriel Mts; Little Rock Creek, slopes E of creek opposite confluence with Kitter Canyon 1128 Comment
  RSA713735  Delphinium parishii subsp. parishii LeRoy Gross 2005-4-28 2152 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
  CAS-BOT-BC121375  Delphinium parryi subsp. maritimum Mrs. C. E. Miller 1918-6-10 s.n. Los Angeles Catalina Island harbor Comment
  CAS-BOT-BC116395  Delphinium patens subsp. hepaticoideum LeRoy Abrams 1901-4-13 1507 Los Angeles Wilson's Trail 548 Comment
  RSA748186  Delphinium patens subsp. hepaticoideum Scott D. White, Justin M. Wood 2009-5-6 12663 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCD96565  Delphinium patens subsp. hepaticoideum Geoffrey Levin 1974-4-27 62 Los Angeles Evey Canyon, a side canyon of San Antonio Canyon. 731 Comment
  UCSB1968  Delphinium patens subsp. hepaticoideum Wedberg, Lee 1954-4-10 Los Angeles Upper Arroyo Seco Canyon 914 Comment
  LA47422  Delphinium variegatum Peter H. Raven; 1962-5-9 17700 Los Angeles grassland at head of canyon just north of Gray 487 Comment
  RSA400068  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles San Clemente Island: Mosquito-Pyramid Trail. Comment
  SBBG95438  Dendromecon harfordii M. B. Dunkle 1928-4-21 1878 Los Angeles Renton Mine Hill Comment
  JEPS51667  Dendromecon rigida Frank W. Peirson 1919-5-21 408 Los Angeles Arroyo Seco Canyon; San Gabriel Mountains 914 Comment
  RSA433224  Dendromecon rigida Gale Sphon 1955-4-4 s.n. Los Angeles Mulholland Drive. 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
  CAS-BOT-BC192751  Deschampsia danthonioides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Near San Gabriel Comment
  RSA781296  Deschampsia danthonioides R. G. Swinney 2009-7-22 11369 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  SBBG53163  Descurainia pinnata S. A. Junak 1978-4-15 SCa 13 Los Angeles N side of Cherry Harbor Comment
  POM465  Descurainia pinnata subsp. menziesii M. Howland s.n. Los Angeles Claremont. 365 Comment
  RSA248843  Descurainia pinnata subsp. menziesii R. F. Thorne 1973-4-11 42858 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  CSUSB1748  Dicentra chrysantha Keith Thompson 1969-11-15 Los Angeles Cedar Springs 1158 Comment
  RSA191379  Dichanthelium acuminatum var. acuminatum R. F. Thorne 1967-7-19 37129 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  UCR223098  Dichelostemma capitatum R. G. Swinney 2009-6-2 11016 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
  RSA376844  Dichelostemma capitatum subsp. capitatum Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verduga [sic] Hills Comment
  RSA376859  Dichelostemma capitatum subsp. capitatum Fay A. MacFadden 1931-3-18 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA649610  Dichelostemma capitatum subsp. capitatum Lori Ackerman, Gerald Braden 1988-4-22 17 Los Angeles North end of West Fork River, San Gabriel Mountains. Comment
  RSA652081  Dichelostemma capitatum subsp. capitatum Frank W. Hedges 1948-5-9 sn Los Angeles One mile north of San Dimas Dam, on side of canyon road. 304 Comment
  SFV20839  Dichelostemma capitatum subsp. capitatum L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 711 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  RSA536054  Dichelostemma capitatum subsp. capitatum Timothy S. Ross 1991-5-21 5384 Los Angeles San Clemente Island, upper easterly branch of Box Canyon 473 Comment
  SD79043  Dichelostemma capitatum subsp. capitatum R. Mitchel Beauchamp 1967-1-27 104 Los Angeles San Clemente Island, common on grassy slope east of Wilson Cove area. Comment
  SEINET10533939  Dichelostemma pulchellum Reid Moran 1941-2-17 Moran 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island, Calif. 500 Comment
  CATA161  Dichondra occidentalis Mark L. Hoefs, A. Douglas Propst 1973-3-14 122 Los Angeles Santa Catalina Island: By top of White's Landing Road 304 Comment
  JEPS40715  Dieteria canescens var. canescens Frank W. Peirson 1923-8-30 4008 Los Angeles Mescal Creek San Gabriel Mountains (very head) Comment
  POM365110  Digitaria ischaemum Arthur Howe 1981-11-2 s.n. Los Angeles Loyola Marymount University campus grounds. Comment
  POM307836  Digitaria sanguinalis Henry J. Ramsey, Henry J. Ramsey 1938-1-9 2765 Los Angeles Altadena. Comment
  RSA0019261  Dimorphotheca ecklonis Scott D. White 1995-12-5 3772 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  CHSC98723  Diplacus longiflorus LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1078 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains; south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  SD21281  Diplacus puniceus Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Comment
  RSA748076  Distichlis spicata R. G. Swinney 2005-5-21 8271 Los Angeles west of Punch Bowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  SBBG80118  Distichlis spicata F. R. Fosberg 1931-5-14 4871 Los Angeles Middle Ranch Cyn near mouth of Cape Cyn Comment
  JEPS57652  Dodecahema leptoceras Frank W. Peirson 1920-4-26 2113 Los Angeles Santa Anita Wash San Gabriel Mountains 213 Comment
  RSA461356  Dodecatheon clevelandii subsp. insulare M. B. Dunkle 1929-3-3 2054 Los Angeles Hamilton Beach; Santa Catalina Island Comment
  RSA653285  Drymocallis glandulosa var. reflexa Kelly Middleton, David Middleton 1988-5-23 33 Los Angeles Glendora Ridge Road, 7.7 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora. 1067 Comment
  CATA1809  Dryopteris arguta Benjamin E. Carter 2012-8-23 6994 Los Angeles Santa Catalina Island: Below and west of Airport Road north of Middle Ranch Road 370 Comment
  UC150399  Dryopteris arguta C. F. Baker 1904-4-22 4168 Los Angeles Monrovia Comment
  UCR23350  Dryopteris arguta John C. Roos 1942-3-21 1099 Los Angeles San Gabriel Mtns, Santa Anita Canyon 244 Comment
  SEINET10568355  Dryopteris arguta David B. Dunn 1937-2-28 Dunn s.n. Los Angeles Monrovia Canyon. Comment
  SFV15994  Dryopteris arguta K. A. Wilson 1994-7-9 2454 Los Angeles Santa Monica Mountains Malibu Creek State Park. Southwest end of Century Lake. Comment
  RSA423520  Dudleya cymosa Gordon Pilone, Mark Parratt 1932-6-24 498 Los Angeles 1 mi. W of Topanga Canyon on Robinson Rd. Comment
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May 24 2011
  CAS-BOT-BC428114  Dudleya cymosa subsp. cymosa Geo. B. Grant 1904-6-27 6311 Los Angeles Mt Lowe Comment
  CAS-BOT-BC428118  Dudleya cymosa subsp. cymosa Timothy S. Ross; Steve Boyd 1994-5-25 7940 Los Angeles Liebre Mountains. Necktie Basin: Hanging basin ca 470-830 m W of Warm Springs Mtn summit. These collections from ca 600-800 m WSW of summit. 1075 Comment
  RSA641380  Dudleya cymosa subsp. pumila Orlando Mistretta 1995-6-23 1827 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 2. 1829 Comment
  UC933296  Dudleya cymosa subsp. pumila Reid Moran 1949-5-31 3271 Los Angeles Arroyo Seco 762 Comment
  RSA0065718  Dudleya lanceolata Justin M. Wood 2011-7-7 4347 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA131252  Dudleya lanceolata P. C. Everett, E. K. Balls 1959-5-22 23805 Los Angeles Big Rock Creek, N slopes, San Gabriel Mts, from Valyermo 1220 Comment
  UCD170395  Dudleya lanceolata R. G. Swinney 1998-8-17 6768 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail. 1244 Comment
  CAS-BOT-BC411391  Dudleya lanceolata K. Nakai 1975-5-1 s.n. Los Angeles El Segundo, Los Angeles International Airport Comment
  LA104976  Dudleya lanceolata K. Nakai; 1981-1-1 690 Los Angeles San Gabriel Mountains, 3.5 mi fron junction of Glendora Mtn. Rd. and E Fork San Gabriel River Rd. on Glendora Mtn. Rd. On N-facing slope 914 Comment
  UC1015161  Dudleya lanceolata Reid Moran 1946-5-30 2062 Los Angeles 2.5 mi below Rincon Guard Station (near topotype); San Gabriel Canyon 518 Comment
  UC205022  Dudleya lanceolata I. M. Johnston 1917-6-20 1367 Los Angeles San Antonio Canyon at 7 Oaks San Antonio Mtns 975 Comment
  SD207024  Dudleya lurida Reid Moran 1944-6-15 1894 Los Angeles Triunfo Canyon; Sierra Santa Monica. On bare rock at loop in road. 359 Comment
  CAS-BOT-BC109629  Dudleya multicaulis Louis C. Wheeler 1934-4-27 2572 Los Angeles Marshall Creek, San Gabriel Mountains. 487 Comment
  RSA507543  Dudleya pulverulenta subsp. pulverulenta L. C. Wheeler 1967-6-26 9876 Los Angeles Elsmere Canyon. 457 Comment
  RSA536076  Dudleya virens T. S. Ross 1991-5-21 5428 Los Angeles San Clemente Island, upper reaches of Box Canyon, SW side of the island 343 Comment
  UCD98803  Dysphania multifida Elizabeth McClintock 1943-5-29 s.n. Los Angeles Westwood Blvd., U.C.L.A. Campus. Comment
  CATA1315  Dysphania pumilio Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2407 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  RSA127812  Echinochloa colona P. H. Raven, H. J. Thompson 1959-9-18 14445 Los Angeles University of California, West Los Angeles. Santa Monica Mountains 130 Comment
  UCR255852  Ehrharta erecta Dan S. Cooper 2014-6-26 614- 68 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, along north side of Forest Lawn Rd. across from cemetery 152 Comment
  UCR261761  Eleocharis R. G. Swinney 2010-9-13 13838 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
  UC729770  Eleocharis macrostachya Carl B. Wolf 1932-5-12 3597 Los Angeles between Little Harbor and Cottonwood Creek Santa Catalina Island 45 Comment
  CATA2091  Eleocharis macrostachya R. Mitchel Beauchamp 1976-5-23 4158 Los Angeles San Clemente Island: Beside road at curve north of Middle Ranch site and west of Boulder Grade, SCI Sector: MM 54.9 472 Comment
  POM6468  Eleocharis montevidensis var. montevidensis L. T. Street, G. Williams 1919-4-12 2613 Los Angeles Puente [now La Puente]. Comment
  UCR191277  Eleocharis parishii R. G. Swinney 1999-6-30 7472 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
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May 10 2012
  UCR130502  Eleusine indica R. E. Riefner Jr. 2003-8-17 03- 338 Los Angeles South Coast, city of Long Beach, vicinity of Veterans Stadium, Conant St. near intersection with Faculty Ave. 19 Comment
  UCR24046  Eleusine indica John C. Roos 1942-10-1 1735 Los Angeles Los Angeles, North Boyle and Bridge Street Comment
  UCR125561  Elymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA191346  Elymus elymoides subsp. californicus R. F. Thorne, M. Z. Thorne 1967-7-19 37202 Los Angeles San Gabriel Mountains, Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  RSA748493  Elymus glaucus subsp. jepsonii Orlando Mistretta 1992-7-9 650 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UCR256579  Elymus lanceolatus subsp. lanceolatus Anuja Parikh, Nathan Gale 2011-7-7 3547 Los Angeles Transverse Range; San Gabriel Mountains, Barley Flats, 4.4 km west of Shortcut Station, 1.0 km north of State Hwy 2 (Angeles Crest Hwy) 1705 Comment
  SBBG128330  Elymus multisetus S. Ratay 2009-10-15 106 Los Angeles hill S of "Fox Country" SW of Wrigley Reservoir, midslope 444 Comment
  SBBG56898  Elymus stebbinsii M. N. Ackley 1929-5-26 Los Angeles San Dimas Cyn 457 Comment
  SD234884  Emmenanthe penduliflora A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26137 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of the filteration plant along a dirt track near the crest of the hills east of and above Lake Hughes Rd., near Castaic Lake dam. 487 Comment
  UCR223032  Emmenanthe penduliflora R. G. Swinney 2009-5-6 10669 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  POM3733  Emmenanthe penduliflora C. F. Baker 1909-4-19 5298 Los Angeles Claremont. Comment
  SEINET13387017 Image available Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-1 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. (Chilao Flat 7.5' Q.) 1219 Comment
  CAS-BOT-BC131205  Encelia californica John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  HSC5475  Encelia californica David Porter 1965-5-5 Los Angeles 0.5 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtns. 412 Comment
  UC54171  Encelia californica Jos. Burtt Davy 1901-6-1 7774 Los Angeles Redondo Comment
  UC557661  Encelia californica Nell Murbarger 1936-3-1 48 Los Angeles s end San Clemente Island Comment
  RSA0051542  Encelia californica Elwood Fordham 1951-4-7 s.n. Los Angeles Pt. Dume. 27 Comment
  NY579268  Ephedra nevadensis S. R. Hill 2001-4-22 33368 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of Highland Street (25th Street West), west of Palmdalle. Vicinity of Armagosa Creek 853.4 Comment
  IRVC28192  Ephedra viridis L. C. Wheeler 1967-5-31 9800 Los Angeles Sycamore Flat Campground, Big Rock Creek. Transverse Ranges, San Gabriel Mtns Comment
  RSA747584  Epilobium brachycarpum R. G. Swinney 2005-8-22 8515 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, lower Holcomb Canyon. 1280 Comment
  UCR201607  Epilobium canum Justin M. Wood 2008-11-20 239 Los Angeles San Gabriel Mountains, ANF Road (1N36)/SCE access road west of Van Tassel Canyon, above the city of Duarte 793 Comment
  CAS-BOT-BC166257  Epilobium canum subsp. canum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Upper Millards [Canon] Canyon, San Gabriel Mountains Comment
  CAS-BOT-BC166272  Epilobium canum subsp. canum G. L. M. 1915-10-12 452 Los Angeles Hills near Southwest Museum, Los Angeles Comment
  JEPS44014  Epilobium canum subsp. canum John Thomas Howell 1927-10-16 3148 Los Angeles on trail between Sierra Madre and Robert's Camp; San Gabriel Mts., Santa Anita Canyon Comment
  RSA588403  Epilobium canum subsp. canum T. S. Clare, G. R. Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon Rd. San Gabriel Mts. 915 Comment
  SBBG60100  Epilobium canum subsp. canum M. N. Ackley -Sep-1925 748 Los Angeles Ave 40, Eagle Rock 152 Comment
  UCD105435  Epilobium canum subsp. canum M. Vincent 1962-7-10 277 Los Angeles Piuma Road, 3 miles E of Malibu Canyon Road. Comment
  CAS-BOT-BC171919  Epilobium canum subsp. latifolium Peter H. Raven; Henry J. Thompson 1958-10-11 13764 Los Angeles 0.7 miles south of junction of roads at summit, Saddle Peak, Santa Monica Mountains 746 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
  UC107748  Epilobium canum subsp. latifolium C. A. Purpus July 1897 5584 Los Angeles n. Bear Creek 1219 Comment
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Mar 8 2013
  UCR259403  Epilobium canum subsp. latifolium R. G. Swinney 2010-8-30 13633 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA755574  Epilobium ciliatum R. G. Swinney 2008-9-9 9332 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA578530  Epilobium ciliatum subsp. ciliatum Tim S. Ross, Steve D. Boyd 1994-6-22 8010 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA802564  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Christine Mistretta 2011-7-6 5903 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UCR133565  Epilobium ciliatum subsp. ciliatum Mr. & Mrs. Grout 1900-1 s.n. Los Angeles Cienega 37 Comment
  SEINET9080240 Image available Epilobium ciliatum subsp. ciliatum C. F. Baker [s d ] 3662 Los Angeles San Antonio Canon. Claremont Comment
  RSA381710  Epipactis gigantea Thekla Mohr 1915-1 3010 Los Angeles North Fork, San Gabriel River. Comment
  UCD138933  Epipactis gigantea P. C. Everett; E. K. Balls 1960-5-30 24132 Los Angeles San Gabriel Canyon, 2.5 mile from Azusa. 243 Comment
  POM1816  Epipactis gigantea Mary Newby s.n. Los Angeles Claremont. 366 Comment
  RSA615470  Epipactis gigantea Louis C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport 1402 Comment
  RSA600680  Equisetum hyemale var. affine L. C. Wheeler 1967-12-10 s.n. Los Angeles San Gabriel Mountains: Fern Canyon, off Arroyo Seco at Brown Mountain Road. 701 Comment
  RSA610970  Equisetum laevigatum L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  UCSB8207  Equisetum laevigatum Haller, Norman 1953-4-18 Los Angeles Hwy. 99, 12 mi S of Gorman. 914 Comment
  CAS-BOT-BC57758  Equisetum telmateia Louis C. Wheeler 1932-6-13 809 Los Angeles At Los Feliz Blvd., Los Angeles River. 121 Comment
  CAS-BOT-BC57761  Equisetum telmateia William Street 1919-5-10 2756 Los Angeles Bassett. 89 Comment
  JEPS60118  Equisetum telmateia subsp. braunii Louis C. Wheeler 1933-10-7 2164 Los Angeles Liveoak Canyon; San Gabriel Mts. Comment
  IRVC28756  Eragrostis cilianensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25551 Los Angeles north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons Santa Clara River Valley 274 Comment
  LA99133  Eragrostis cilianensis R. L. Armacost; 1968-5-23 2385 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, near Desert Garden of UCLA Botanical Garden. Comment
  UCD63547  Eragrostis mexicana subsp. virescens Beecher Crampton 1965-10-27 7589 Los Angeles ca. 2.6 miles s.w. of Saugus, US Hwy. 99. Comment
  UCD64537  Eragrostis pectinacea Robert L. Forsyth 1957-10-1 Los Angeles Antelope Valley Field Station, west of Lancaster. Comment
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Mar 6 2012
  RSA127779  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-6-4 14333 Los Angeles Santa Monica Mountains, Point Dume Comment
  HSC93975  Eremogone macradenia var. arcuifolia Steve Boyd, T. S. Ross, L. Moore, Valerie Soza 1997-7-8 10013 Los Angeles Liebre Mountains region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track near Forest Service wildlife drinker site. 1585 Comment
  CAS-BOT-BC162727  Eremothera boothii subsp. decorticans Peter H. Raven 1962-5-15 17529 Los Angeles Bouquet Canyon Comment
  SBBG58289  Eriastrum densifolium R. Hoffmann 1928-7-9 Los Angeles between Palmdale and Lancaster Comment
  RSA0019894  Eriastrum densifolium subsp. austromontanum Orlando Mistretta, Youssef Atallah 2011-8-12 6032 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  SBBG113074  Eriastrum filifolium S. A. Junak with M. L. Hoefs, K. Kirkland, J. Takara 1998-5-1 SCa 604 Los Angeles E side of Whitley's Pk ridge, just below spine of ridge 381 Comment
  SBBG31211  Eriastrum filifolium R. F. Thorne 1966-6-2 36527 Los Angeles between Moonstone and White Coves 30 Comment
  IRVC28993  Eriastrum sapphirinum A. C. Sanders 2003-6-18 26935 Los Angeles ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch N end of Santa Susana Mtns. 366 Comment
  JEPS69421  Eriastrum sapphirinum Ralph Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  UCR192816  Eriastrum sapphirinum Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  UCR206132  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2009-5-29 37052 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA0123054  Eriastrum sapphirinum subsp. brevibracteatum P. A. Munz 1923-9-1 7724 Los Angeles Swartout Valley, San Antonio Mtns. 1829 Comment
  RSA597015  Ericameria cuneata var. cuneata Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3812 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UCR18364  Ericameria ericoides G. Heintz 1975-1 s.n. Los Angeles N of Santa Monica Comment
  JEPS32960  Ericameria linearifolia E. R. Blakley 1958-5-9 2277 Los Angeles 2 mi e Gorman 1097 Comment
  RSA585151  Ericameria linearifolia Timothy S. Ross, Steve Boyd 1990-5-31 2736 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UCSB27649  Ericameria nauseosa Lavinger, S. 1975-10-31 Los Angeles Red Rover Mine Road .2 miles south from its junction with Highway 14 609 Comment
  SD255644  Ericameria nauseosa subsp. nauseosa R. G. Swinney 2010-9-9 13762 Los Angeles San Gabriel Mountains; Big Cienaga, north of Crystal Lake Campground, 0.6 mile east of Deer Flats Campground along FS Rd. 3NO7.2/North Crystal Lake Rd. 2012 Comment
  SBBG62921  Ericameria nauseosa var. mohavensis R. Hoffmann 1927-9-21 Los Angeles Forest Inn, Ridge Route (US Hwy 99) Comment
  UC203165  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-27 10580 Los Angeles near Lancaster; Dry Lake Comment
  LA201908  Ericameria palmeri var. pachylepis Arthur C. Gibson; 2003-9-27 4964 Los Angeles 365 Comment
  CAS-BOT-BC131645  Ericameria parishii var. parishii I. M. Johnston 1918-9-1 2150 Los Angeles Evey [Canon] Canyon 1219 Comment
  RSA549138  Ericameria parishii var. parishii Timothy S. Ross 1992-7-16 6703 Los Angeles ridgeline between Iron Mtn. and Condor Peak 1511 Comment
  RSA584769  Ericameria parishii var. parishii Timothy S. Ross 1992-7-17 6732 Los Angeles Ridge between Condor Peak Saddle and Fox (trinagulation point, 5033-ft.) in first saddle NNW from Fox 1402 Comment
  RSA719736  Erigeron breweri var. covillei R. G. Swinney 1996-8-7 5219 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  SBBG112918  Erigeron canadensis S. A. Junak with K. Kirkland, M. Bushman 1998-10-21 SCa 813 Los Angeles above pier at W end of Moonstone Cove, along trail to White's Landing 18 Comment
  SBBG108941  Erigeron canadensis S. A. Junak 1996-9-29 SCl 680 Los Angeles Middle Ranch Cyn, ca. 0.3 mi downstream from upper rd crossing 396 Comment
  SFV16968  Erigeron foliosus var. foliosus J. N. Hogue 1997-7-25 95 .1 Los Angeles San Gabriel Mountains Camp Cumorah Crest. 3 km northeast of Newcomb Ranch. 1860 Comment
  OBI13963  Eriodictyon crassifolium var. nigrescens Robert J. Rodin 1953-5-17 5821 Los Angeles Near hwy 101, 3 mi S of Gorman Comment
  RSA715432  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Helen Kennedy 2005-4-13 29415 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UC1124353  Eriodictyon crassifolium var. nigrescens G. E. Sindel 1935-1-7 104 Los Angeles 1.25 mi se Quail Lake; Tejon Quad., se of Quail Lake Comment
  CAS-BOT-BC219333  Eriodictyon trichocalyx var. trichocalyx Vernon Bailey 1907-9-25 s.n. Los Angeles Mt. Lowe 1524 Comment
  LA205724  Eriodictyon trichocalyx var. trichocalyx A. M. Johnson; 1927-10-21 2664 Los Angeles Comment
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May 12 2015
  RSA455067  Eriodictyon trichocalyx var. trichocalyx L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Rock Creek Comment
  POM50654  Eriogonum angulosum A. D. E. Elmer 1902-06 3678 Los Angeles Acton. Comment
  UC517517  Eriogonum angulosum John Thomas Howell 1930-5-12 4883 Los Angeles 3 mi s Palmdale Comment
  CAS-BOT-BC241983  Eriogonum cinereum Louis C. Wheeler 1931-11-11 343 Los Angeles Topanga Canyon, Santa Monica Mts. 304 Comment
  UC6578  Eriogonum cinereum W. H. Brewer 1860-12-21 80 Los Angeles Sierra Santa Monica Comment
  UC990943  Eriogonum cinereum D. F. Howe 1951-10-7 Los Angeles La Flores Canyon Santa Monica Mts., La Flores Canyon Comment
  CLARK-A1528-3623  Eriogonum crocatum John C. Roos 1958-5-22 Los Angeles Santa Monica Mountains Comment
  RSA579340  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1994-9-21 8302 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point (5345-ft). (east into adjacent 64th section) 1607 Comment
  SBBG126945  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-17 3481 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  SEINET13276782 Image available Eriogonum davidsonii R. G. Swinney 2011-1 15699 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  UCR102431  Eriogonum davidsonii G. R. Ballmer 1991-8-4 s.n. Los Angeles San Gabriel Mtns., vicinity of East Blue Ridge Camp, Hwy 2 2287 Comment
  UCR193992  Eriogonum davidsonii R. G. Swinney 1998-8-13 6749 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  UCR271182  Eriogonum davidsonii R. G. Swinney 2011-9-27 15699 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR277150  Eriogonum davidsonii R. G. Swinney 2011-6-15 15201 Los Angeles San Gabriel Mountains, SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail 1622 Comment
  POM308907  Eriogonum davidsonii Unspecified 1943-9-13 677 Los Angeles Fern Canyon road, San Dimas experimental forest. 1555 Comment
  RSA590608  Eriogonum davidsonii Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2963 Los Angeles San Gabriel Mountains, Upper Tujunga Canyon: ridge descending NE from Barley Flats Road toward Big Tujunga Creek (ca. 0.9-1.4 air-miles E of Barley Flats) 1280 Comment
  UCR145177  Eriogonum elongatum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCR217818  Eriogonum elongatum Dan S. Cooper 2010-8-26 810- 96 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, south side of Zoo Dive, just west of Travel Town 168 Comment
  UCR108197  Eriogonum fasciculatum subsp. foliolosum Jeanne Gural, Valerie Soza 1997-3-26 18 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. south of pH Lake, at base of hill, west of gully 412 Comment
  HSC65733  Eriogonum fasciculatum var. fasciculatum R. F. Thorne, D. Propst, M. Haefs 1974-9-12 45110 Los Angeles Santa Catalina Island, halfway between airport and Rancho Escondido 274 Comment
  RSA393415  Eriogonum fasciculatum var. foliolosum Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon. Comment
  RSA650865  Eriogonum fasciculatum var. foliolosum Bob Cochrane 1948-5-2 s.n. Los Angeles Found in hills back of Occidental College. Comment
  UCR277407  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-8-23 13570 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  RSA607920  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1961-6-13 7872 Los Angeles San Gabriel Mountains: Pacoima Canyon at Bad Canyon 1098 Comment
  SDSU6558  Eriogonum giganteum R. M. Beauchamp 1966-8-8 50 Los Angeles Along road south of Avalon. Santa Catalina Island. 137 Comment
  CAS-BOT-BC253461  Eriogonum gracile J. Ewan 1931-10-11 5247 Los Angeles Sepulveda Canyon Road north of Mulholland, Santa Monica Mts. Comment
  UC1922912  Eriogonum gracile Scott D. White, Justin Wood 2005-9-22 11225 Los Angeles Liebre Mountains: Tapia Canyon: ca. 2 air miles East of the Interstate 5 / Old Ridge Route junction. (Newhall) Comment
  SEINET11038904 Image available Eriogonum gracile var. cithariforme James Henrickson 1972-11-2 8088 Los Angeles 4 miles N of Newhall in Mayo Hospital site at McBean Parkway near Orchard Village Road 372 Comment
  CAS-BOT-BC261095  Eriogonum gracillimum James L. Reveal 1978-6-25 4775 Los Angeles Along Avenue F, 0.5 mile east of California Highway 138, north of Lancaster 716 Comment
  UCR164534  Eriogonum gracillimum T. B. Salvato, Sandra Murcia 2005-11-1 1247 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
  RSA393216  Eriogonum grande var. grande Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SD66897  Eriogonum grande var. grande R. Mitchell Beauchamp 1967-3-17 257 Los Angeles San Clemente Island; on cliff above ocean east of Date 2 Comment
  SD253529  Eriogonum hirtiflorum R. G. Swinney 2011-6-15 15164 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, ca. 0.7 road mile NW of S entrance at Angels Crest Highway. 1584 Comment
  RSA733278  Eriogonum nudum var. pauciflorum R. G. Swinney 2001-6-16 7967 Los Angeles San Gabriel Mtns.: Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons. 1951 Comment
  UC284886  Eriogonum parishii P. A. Munz 1923-8-31 7680 Los Angeles s Swartout Valley (Blue Ridge); San Gabriel Mts., Blue Ridge 2575 Comment
  IRVC29190  Eriogonum plumatella June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  SBBG120  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA608460  Eriogonum pusillum Louis C. Wheeler 1946-8-29 6321 Los Angeles North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2561 Comment
  RSA781234  Eriogonum pusillum R. G. Swinney 2009-5-13 10789 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCR29834  Eriogonum pusillum G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  RSA579581  Eriogonum roseum Tim S. Ross, S. D. Boyd 1994-9-21 8281 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  SBBG125875  Eriogonum roseum A. Parikh, N. Gale 2010-6-4 3258 Los Angeles Sierra Pelona, 2.9 km W of State Hwy 14, 1.2 km S of Avenue S; E Liebre Mtns 995 Comment
  JEPS56302  Eriogonum saxatile F. R. Fosberg and J. Ewan 1931-8-12 4922 Los Angeles n slope Mount Islip Mount Islip 2438 Comment
  RSA0082879  Eriogonum saxatile R. G. Swinney 2011-7-21 15532 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA782020  Eriogonum saxatile Elizabeth A. Kempton, Eric Paul 2006-6-28 402 Los Angeles Santa Clara Divide Road (FS#3N17.4) 1748 Comment
  SBBG127070  Eriogonum thurberi A. Parikh, N. Gale 2011-6-18 3487 Los Angeles Aliso Cyn, 1.4 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1112 Comment
  CAS-BOT-BC268174  Eriogonum umbellatum var. minus Frank W. Peirson 1920-9-12 21 Los Angeles Summit San Antonio Peak (Baldy) 3048 Comment
  UC586896  Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-6 8353 Los Angeles e slope North Baldy San Gabriel Mts., North Baldy 2743 Comment
  SD230265  Eriogonum umbellatum var. munzii Steve Boyd, Tmothy s. Ross, Laura Moore, Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains Region: Upper northern flank of liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. 1584 Comment
  CAS-BOT-BC265216  Eriogonum umbellatum var. subaridum J. Aug. Kusche 1929-7-12 s.n. Los Angeles Forest Camp, Mojave Desert 1219 Comment
  RSA233453  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1968-11-9 37863 Los Angeles San Gabriel Mountains, Angeles National Forest: summit of Mt. Williamson, 2504 Comment
  RSA766284  Eriogonum wrightii var. subscaposum Joseph A. Ewan 1934-8-9 8408 Los Angeles Summit Mt. Williamson. San Gabriel Mtns. 2500 Comment
  RSA0036800  Eriophyllum confertiflorum Regina Allen 1983-5-24 s.n. Los Angeles Evey Canyon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. Comment
  SD31209  Eriophyllum confertiflorum Edith A. Purer 1931-4-28 Los Angeles Palos Verdes Hills Comment
  UCR131404  Eriophyllum confertiflorum Alison Lipman 1998-5-28 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR213483  Eriophyllum confertiflorum A. C. Sanders, Karen Kirtland 2010-5-14 38358 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  NY42993  Eriophyllum confertiflorum var. confertiflorum J. B. Walker 1995-3-29 1292 Los Angeles Angeles National Forest, East Fork Rd, 3km E of junction with Gabriel Canyon Rd 600 Comment
  OBI6195  Eriophyllum confertiflorum var. confertiflorum Shirley Vaughan 1974-5-12 3 Los Angeles Near Hwy 138 and 200th St. W 762 Comment
  RSA225735  Eriophyllum confertiflorum var. confertiflorum R. F. Thorne, A. C. Gibson 1971-5-22 39710 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  SBBG53962  Eriophyllum confertiflorum var. confertiflorum K. R. Montgomery, T. W. Strid 1973-6-7 73 -149 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  UCR270153  Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-7-21 15526 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  RSA226171  Eriophyllum confertiflorum var. confertiflorum Gary D. Cromwell, David W. Wheat 1971-4-16 527 Los Angeles San Gabriel Mountains. 2011 Comment
  RSA358199  Eriophyllum nevinii R. F. Thorne 1973-09 44720 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  RSA92389  Eriophyllum nevinii F. W. Peirson 1923-4-10 3477 Los Angeles North slopes or on sea bluffs, San Clemente Island Comment
  RSA773534  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA655745  Erodium botrys James Henrickson 2000-4-15 20689 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 Hwy 14. 488 Comment
  UCR151011  Erodium botrys Scott D. White 1997-5-7 5067 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  CDA4357  Erodium botrys L. C. Wheeler 1947-1-5 6564 b Los Angeles Arcadia: In parkway in center of Woodward Avenue between Baldwin Avenue and Oakwood Drive.. . 0 Comment
  RSA650521  Erodium botrys Harvey Kennedy 1949-2-8 s.n. Los Angeles Cal Poly Athletic Field, San Dimas. 244 Comment
  SD69660  Erodium brachycarpum Robert F. Thorne, Reed Rollins, et al. 1967-3-18 36750 Los Angeles Santa Catalina Island, lower end of Bulrush Canyon. 182 Comment
  RSA717406  Erodium cicutarium Gary Kovnat, LeRoy Gross 2003-2-2 13 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA652324  Erodium cicutarium Rudolf Schmid 1962-4-17 s.n. Los Angeles Near Lemon and Santa Anita Avenues, Arcadia. Comment
  UC17101  Erodium moschatum J. H. Barber 1897-3-16 62 Los Angeles Santa Monica Forestry Station Comment
  UCR91360  Erodium moschatum Scott D. White 1995-3-15 2560 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
  CAS-BOT-BC40702  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9485 Los Angeles 16 miles from Lancaster on the Muroc Road. Comment
  SFV1474  Erysimum capitatum C. Gasser 1956-3-3 s. n. Los Angeles San Gabriel Mountains 2.5 miles from Foothill Blvd. on Little Tujunga Road. 457 Comment
  CAS-BOT-BC402731  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia Comment
  UCR280574  Eschscholzia caespitosa R. G. Swinney 2014-6-5 16726 Los Angeles San Gabriel Mountains, Glendora, ridgetop north of Church of the Open Door, adjacent to & east of easternmost Hook Cyn. 427 Comment
  UC1871324  Eschscholzia californica T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4784 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCSB2173  Eschscholzia californica Haller, Norman 1953-3-21 Los Angeles Tip of Point Dume Comment
  POM361  Eschscholzia californica C. N. Carter 1909-5-28 s.n. Los Angeles Claremont. Comment
  RSA611354  Eschscholzia minutiflora Steve Boyd 1998-4-1 10128 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
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Feb 28 2008
  RSA523405  Eschscholzia minutiflora G. H. True 1936-3-28 187 Los Angeles Between Littlerock and Palmdale. 915 Comment
  UCR227646  Eschscholzia ramosa R. F. Thorne, Percy C. Everett 1965-5-11 34573 Los Angeles Channel Islands; Santa Catalina Island, north side of north cove of Little Harbor 5 Comment
  RSA0010834  Eucalyptus Robert F. Thorne 1967-5-20 36902 Los Angeles Santa Catalina Island. Bank above Airport Road at head of Descanso Canyon. 305 Comment
  CAS-BOT-BC334478  Eucalyptus cornuta R. E. Riefner, Jr. 2007-3-10 07 -122 Los Angeles Palos Verdes Peninsula, Palos Veres Estates, N of Palos Verdes Dr. West, Malaga Creek, Via Alar at Via Corta 41 Comment
  UC1870226  Eucalyptus globulus LeRoy Gross 2003-2-22 747 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UC1929778  Eucalyptus pulverulenta Valerie Soza, Bill Hogshead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson); elev. 915-1555m/3000-5100ft Comment
  RSA673619  Eucalyptus rudis LeRoy Gross 2003-1-25 685 Los Angeles 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 549 Comment
  RSA665305  Eucrypta chrysanthemifolia M. B. Dunkle 1929-4-7 2105 Los Angeles Moonstone Beach, Santa Catalina Island. Comment
  UCSB45218  Eucrypta chrysanthemifolia Davis, K. 1979-2-24 Los Angeles Santa Monica Mtns., near Highway 23, 2 miles north of the junction with Highway 1 152 Comment
  RSA747328  Euphorbia albomarginata R. G. Swinney 2005-8-11 8439 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR280556  Euphorbia albomarginata R. G. Swinney 2014-4-17 16071 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  RSA9651  Euphorbia helioscopia L. C. Wheeler 1933-7-14 1936 Los Angeles Portrero Chico near Rio Hondo. 69 Comment
  UCD142570  Euphorbia melanadenia Louis C. Wheeler 1969-3-9 s.n. Los Angeles San Gabriel Mountains. Between mouth of Big and Little Dalton Canyon. 350 Comment
  SD251722  Euphorbia misera M. B. Dunkle 1939-4-7 7336 Los Angeles San Clemente Island, Pyramid Cove, edge of first terrace Comment
  RSA592193  Euphorbia peplus L. C. Wheeler 1967-4-9 9180 Los Angeles San Gabriel Canyon, Canyon Inn. Comment
  POM86131  Euphorbia polycarpa var. vestita Marcus E. Jones 1982-5-1 s.n. Los Angeles [Unspecified] Comment
  SD181567  Euphorbia serpillifolia subsp. serpillifolia Louis C. Wheeler 1945-6-3 6063 Los Angeles San Gabriel Canyon; West Fork San Gabriel Canyon ca. 1.0 mile west of the forks. Comment
  PASA2704  Eurotia lanata Margaret Stason 1930-5-18 Los Angeles Near Lancaster Comment
  SBBG31449  Extriplex californica R. F. Thorne 1966-4-5 Los Angeles Cottonwood Cyn 106 Comment
  SEINET7063485  Festuca A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta-Brea Canyon Road. Puenta Hills. UTM Zone 11, 415263mE, 3762506mN. (WGS84/NAD83). 126 Comment
  RSA415966  Festuca californica subsp. parishii Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA0076014  Festuca myuros R. G. Swinney 2010-4-1 12126 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  UCR125399  Festuca myuros A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25696 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
  UCSB388  Festuca myuros B., K. 1943-3-25 Los Angeles Dalton C.C.C; San Dimas Experimental Forest; San Gabriel mountains Comment
  SBBG56711  Festuca octoflora R. Hoffmann 1929-4-2 Los Angeles W Mojave Desert Comment
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Jun 11 2015
  RSA0113952  Ficus microcarpa R. E. Riefner Jr. 2015-5-2 15 -138 Los Angeles City of Arcadia, S. side of Interstate 210, W of Colorado Blvd. between Second St. and La Porte St. 153 Comment
  RSA533947  Filago arizonica Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5193 Los Angeles San Clemente Island: 1300ft NNW of Guds (888') marker. 241 Comment
  UCR125635  Filago gallica A. C. Sanders 2003-5-26 25865 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  SBBG12445  Foeniculum vulgare P. H. Raven 1962-4-10 17252 Los Angeles above Wilson Cove 182 Comment
  UC1586202  Foeniculum vulgare Tim Ross 1991-8-16 5810 Los Angeles 1/5 mi. n.w. Mt. Sally summit (along Angeles Crest Hwy., Upper Big Tujunga Canyon); Chilao Flat Quad., San Gabriel Mts., Upper Big Tujunga Canyo 1524 Comment
  UCD112744  Frangula californica Carl B. Wolf 1927-12-31 1463 Los Angeles Occidental College, Eagle Rock. Comment
  UCR271131  Frangula californica subsp. californica R. G. Swinney 2011-7-8 15482 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  UCR277114  Frangula californica subsp. californica R. G. Swinney 2010-10-5 13960 Los Angeles San Gabriel Mountains, Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center 463 Comment
  LA207720  Frangula californica subsp. cuspidata J. A. Ewan; 1933-7-23 7835 Los Angeles near spring at E end of Barley Flats 1523 Comment
  UCR280758  Frangula californica subsp. tomentella R. G. Swinney 2014-4-30 16303 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA4831  Frankenia grandifolia James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Comment
  NY43176  Frankenia salina J. B. Walker 1995-6-7 1443 Los Angeles Santa Catalina Island, at Little Harbor 2 Comment
  SBBG78615  Frankenia salina F. R. Fosberg 1931-5-17 4885 Los Angeles Little Harbor Comment
  UCD122039  Fraxinus dipetala Kenneth A. Wilson 1961-3-11 976 Los Angeles San Gabriel Mtns. Placerita Canyon Road. Wash 3 miles west of Placerita State Park. Comment
  UCR256582  Fraxinus latifolia Anuja Parikh, Nathan Gale 2011-7-10 3551 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 1.1 km west of State Hwy 39 (San Gabriel Canyon Rd.) 502 Comment
  RSA747453  Fraxinus uhdei A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36942 Los Angeles San Gabriel Valley: San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee. 70 Comment
  CAS-BOT-BC212394  Fremontodendron californicum Elizabeth McClintock 1965-7-2 s.n. Los Angeles Table Mountain above Wrightwood, San Gabriel Mountains 2133 Comment
  LA22121  Fritillaria biflora var. biflora W. O. Griesel; 1936-3-14 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon Comment
  RSA574292  Galenia pubescens J. R. Ekhoff 1992-6-12 s.n. Los Angeles Signal Hill: disturbed, undeveloped property along Hill street in the two-block area between Stanley and Ohio Avenues. Area scheduled to be developed. 76 Comment
  RSA9648  Galinsoga parviflora var. parviflora L. C. Wheeler 1932-10-21 1435 Los Angeles San Gabriel. 114 Comment
  RSA571544  Galium andrewsii subsp. intermedium Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8309 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  UCR197211  Galium angustifolium Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 819 Los Angeles Verdugo Mountains, south side, Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, west of De Bell Municipal Golf Course 396 Comment
  UCR259238  Galium angustifolium R. G. Swinney 2010-9-9 13749 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  LA50691  Galium angustifolium subsp. angustifolium Carl Epling; 1929-4-27 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SBBG79348  Galium angustifolium subsp. angustifolium F. R. Fosberg 1932-5-5 8109 Los Angeles hill N of Avalon 30 Comment
  CHSC83632  Galium angustifolium subsp. nudicaule John Dittes; Gina Hall 1990-7-19 260 Los Angeles Transverse Range; San Gabriel Mts., north of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  UCR194610  Galium aparine R. G. Swinney, Dave Larson 1999-6-25 7402 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA679054  Galium aparine Valerie L. Soza, LeRoy Gross 2002-5-8 1451 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  RSA776486  Galium bifolium LeRoy Gross, Jane Tirrell 2011-7-20 5532 Los Angeles Lily Spring, north of Mt. Hawkins. Near 2500 Comment
  CAS-BOT-BC217452  Galium catalinense Frank W. Peirson 1923-4-9 3432 Los Angeles North slope canyon at Lemmon Tank, San Clemente Island Comment
  JEPS38125  Galium catalinense subsp. acrispum Theodore Niehaus 1965-4-4 441 Los Angeles lower portion of 1st canyon n Randall Point Light (e side of island); San Clemente Island Comment
  UC1929648  Galium grande Valerie Soza, Bill Hogshead 2003-5-6 1649 b Los Angeles Transverse Ranges; San Gabriel Mountains region; Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  JEPS56043  Galium jepsonii Lauramay T. Dempster and G. L. Stebbins 1966-6-16 4235 Los Angeles Angeles Crest Highway ne Chilao Recreation Area (Cloudburst Summit); ne of Chilao Recreation Area, Cloudburst Summit 2139 Comment
  CAS-BOT-BC223141  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  UC1587600  Galium johnstonii Tim Ross 1991-8-14 5755 Los Angeles easterly slope just below summit; San Gabriel Mts., Chilao Flat USGS 7.5' quad., Roundtop [Mtn 1889 Comment
  UCR223115  Galium johnstonii R. G. Swinney 2009-5-20 10801 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  UCR223588  Galium johnstonii R. G. Swinney 2009-6-2 10987 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  OBI69289  Galium nuttallii subsp. insulare John Knapp, Denise Knapp 2003-5-11 40 Los Angeles Catalina Island 198 Comment
  UCR200195  Galium porrigens var. porrigens Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 892 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlineset. 396 Comment
  RSA747390  Gamochaeta pensylvanica A. C. Sanders, T. B. Salvato 2009-5-20 36877 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. 66 Comment
  CATA1705  Gamochaeta ustulata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3025 Los Angeles Santa Catalina Island: Lower Fern Canyon 195 Comment
  RSA0113441  Gamochaeta ustulata Steven A. Junak 1999-5-21 SCa- 969 Los Angeles Santa Catalina Island. E side of KBRT Valley, NE of Antenna Farm. 445 Comment
  NY42969  Garrya veatchii J. B. Walker 1995-3-30 1297 Los Angeles Angeles National Forest, Glendora Ridge Rd, 11km W of Baldy Village 1200 Comment
  UCR215970  Gaura coccinea Kieu-Chinh Tran, Ben Tran 2008-4-7 006 Los Angeles San Gabriel Valley, Pomona, beside 60 Fwy, SE of 60/71 intersection, near Towne Ave., across from shopping center 244 Comment
  RSA0081706  Gayophytum heterozygum R. G. Swinney 2011-7-21 15549 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA311412  Gayophytum oligospermum Cheryl A. Lawson 1971-7-11 420 Los Angeles San Gabriel Mts., Angeles National Forest, above Crystal Lake, near Calif. State Highway 39. Comment
  POM40090  Gazania splendens George B. Grant 1905-5-10 494 Los Angeles Pasadena. Comment
  RSA641367  Geranium californicum Orlando Mistretta, R. T. Hawke 1995-6-29 1864 Los Angeles San Gabriel Mountains: Lightning Ridge Trail, Blue Ridge. On edge of meadow south of Mt. High ski area parking lot. Comment
  RSA29725  Geranium carolinianum Louis C. Wheeler 1932-5-27 770 Los Angeles Burbank Canyon, W Thompson Creek Dam. 518 Comment
  POM302279  Geranium carolinianum Lyman Benson 1957-4-17 15720 Los Angeles Kellogg Campus, California Polytechnic Institute. San Jose Hills. Pacific Slope drainage area. 305 Comment
  SD262347  Gilia R. G. Swinney 2011-5-12 14676 Los Angeles San Gabriel Mountains: east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Cyn. Rd., 0.5 mi west of angeles Forest Hwy (Pacifico Mtn 7.5'Q) 1182 Comment
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Dec 7 2018
  UCR256199  Gilia achilleifolia R. G. Swinney 2010-6-8 13208 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
  RSA587466  Gilia aliquanta subsp. aliquanta Orlando Mistretta 1995-4-11 1611 Los Angeles Santiago Canyon;W slopes of Santiago Canyon ca. 1mile SW of confluence with Little Rock Creek. 1037 Comment
  CATA174  Gilia angelensis Mark L. Hoefs, A. Douglas Propst 1973-4-6 139 Los Angeles Santa Catalina Island: Middle of Cape Canyon, southeast exposure 304 Comment
  RSA578522  Gilia angelensis T. S. Ross, S. D. Boyd 1994-6-22 8005 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA579152  Gilia angelensis T. S. Ross, Darin L. Banks 1994-4-12 7474 Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon; ca 630 m s of where Drinkwater Canyon joins S. Fr. Canyon. 518 Comment
  RSA172288  Gilia brecciarum subsp. brecciarum R. F. Thorne 1963-5-15 31686 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1219 Comment
  LA200746  Gilia capitata subsp. abrotanifolia J. Sauer; M. Gardner 1983-5-15 6253 Los Angeles Comment
  RSA225719  Gilia capitata subsp. abrotanifolia R. F. Thorne, A. C. Gibson 1971-5-22 39706 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  CAS-BOT-BC123783  Gilia inconspicua var. dentiflora Anstruther Davidson 1926-5-1 3617 Los Angeles Lancaster. Mohave Desert. Comment
  UCR186945  Gilia latiflora A. C. Sanders 2006-4-10 31995 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
  RSA0115688  Gilia latiflora subsp. davyi A. C. Sanders 2007-4-25 33588 Los Angeles Tehachapi Mtns.: Oso Canyon, 075 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA469404  Gilia latiflora subsp. davyi Ora M. Clark 1929-3-30 1913 Los Angeles W. Lancaster. Comment
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Dec 10 2011
  RSA95662  Gilia latiflora subsp. davyi Verne Grant 1955-4-16 20666 Los Angeles Open field at head of Antelope Valley 36 miles above Lancaster. Comment
  CAS-BOT-BC226406  Gilia latiflora subsp. latiflora Tim Ross; Steve Boyd; Laurel Arnseth 1991-4-29 4787 Los Angeles Liebre Mountains. Parker Mountain and ridge to the SW: SW of Acton and NNE of Ravenna, NW Los Angeles County 1259 Comment
  UC23664  Gilia latiflora subsp. latiflora J. H. Barber 1897-6-28 208 Los Angeles Kentucky Springs Kentucky Springs (Southern California) Comment
  RSA78121  Gilia latiflora subsp. latiflora Verne Grant, Alva Grant 1953-4-25 9195 Los Angeles 8 miles west of highway 395 on road to Pearblossom [18/138]. 915 Comment
  RSA251503  Gilia nevinii R. F. Thorne 1973-4-11 42833 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 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
  UC167119  Gilia ochroleuca subsp. vivida unknown Jun 15 1906-Jun 18 1906 Los Angeles summit of Mt. Wilson San Gabriel Mts., summit of Mt. Wilson (southern California) 1828 Comment
  UCR192870  Gilia splendens R. G. Swinney 1998-8-6 6720 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  SD31173  Gilia tricolor Edith A. Purer 1931-3-12 988 Los Angeles Palos Verdes Hills. Comment
  RSA0104647  Gnaphalium californicum R. G. Swinney 2011-5-6 14615 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 793 Comment
  RSA91756  Gnaphalium californicum F. W. Peirson 1925-4-23 5808 Los Angeles San Gabriel River 305 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
  UCR152452  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Lee Jones 2005-4-8 29339 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CLARK-A1528-1850  Gnaphalium chilense John C. Roos 1942-5-23 1059 Los Angeles San Gabriel Mountains Comment
  RSA199168  Gnaphalium chilense R. F. Thorne 1968-5-28 37665 Los Angeles Santa Catalina Island, Middle Bulrush Canyon. 244 Comment
  POM358714  Gnaphalium microcephalum Geo L. Moxley 1914-9-7 s.n. Los Angeles Cota, near Long Beach Comment
  RSA782115  Gnaphalium palustre A. C. Sanders, Dan S. Cooper 2010-4-30 38153 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR271845  Gnaphalium palustre R. G. Swinney 2011-6-23 15284 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCR276975  Gnaphalium palustre R. G. Swinney 2010-6-1 13148 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA191585  Gnaphalium palustre R. F. Thorne, M. Z. Thorne 1966-8-29 36585 Los Angeles San Gabriel Mts, Angeles National Forest: Big Pines Recreation Area, dry slope above E end of Jackson Lake, on road from Big Pines to Valyermo. 1890 Comment
  CAS-BOT-BC108964  Goodmania luteola C. G. Pringle 1882-5-18 s.n. Los Angeles Mojave Station. Lancaster Station. Comment
  CAS-BOT-BC108968  Goodmania luteola W. R. Dudley; F. H. Lamb 1896-6-4 4305 Los Angeles Lancaster. Comment
  CAS-BOT-BC305270  Grindelia hirsutula John Thomas Howell 1931-5-29 6562 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  POM359087  Grindelia robusta F. R. Fosberg 1930-6-30 3073 Los Angeles Del Rey. 1 Comment
  SEINET5709442 Image available Grindelia stricta Lowell E. Urbatsch, Dennis Clark; Matt Betkouski 1973-1 1452 Los Angeles Rancho Santa Ana Bot. Gard.; Rancho Santa Ana Botanic Garden Comment
  UC10942  Guillenia lasiophylla W. H. Brewer Feb 1861 204 Los Angeles Santa Susanna Mountains Comment
  POM359223  Gutierrezia californica Fordyce Grinnell Jr 1915-9-6 s.n. Los Angeles Pasadena. Comment
  RSA596984  Gutierrezia sarothrae Steve Boyd, Lauren Raz 1996-9-24 8958 Los Angeles Liebre Mountains, upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, just south of the boundary of Knapp Ranch area 841 Comment
  UC189107  Hainardia cylindrica Geo. L. Moxley 1915-6-17 350 Los Angeles Colegrove Comment
  UCR126789  Haplopappus venetus Mark A. Elvin 2003-6-12 2947 B Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  SBBG49360  Harpagonella palmeri S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 514 Los Angeles coastal slope NE of Little Harbor Cmpgrd 30 Comment
  UCR139121  Hedera helix L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains, Camp Bonita 610 Comment
  UCR190865  Helenium bigelovii R. G. Swinney 1998-8-6 6716 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, at cliff seep c. 100 m below Falls Gulch 1000 Comment
  RSA600846  Helenium bigelovii L. C. Wheeler 1966-9-21 8909 Los Angeles San Gabriel Mountains. South fork of Big Rock Creek in the vicinity of Lily Spring. 2378 Comment
  RSA441777  Helianthemum scoparium L. E. Hoffman 1932-5-6 16306 Los Angeles Grizzly flats, San Gabriel Mts. Comment
  RSA639244  Helianthemum scoparium R. F. Thorne, M. Z. Thorne 1971-4-25 41345 Los Angeles Johnson's Pasture north of Claremont 609 Comment
  RSA441796  Helianthemum scoparium var. vulgare Wm. Martin 1971-8-25 s.n. Los Angeles On road to Saddle Peak, about 3/4 mile from junction of Malibu Canyon Road Comment
  UCR92064  Helianthus annuus Scott D. White 1995-2-7 2524 Los Angeles San Gabriel Mtns., Santa Susana Mtns, Sunshine Canyon, directly west of Hwy I-5 just south of interchange with Hwy 14 457 Comment
  POM4953  Helianthus gracilentus Edward L. Greene 1904-05 4519 Los Angeles Claremont. 365 Comment
  RSA617395  Helianthus gracilentus Scott D. White, Sandy Leatherman 1998-6-4 6657 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway / Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  UCR142902  Helianthus gracilentus C. W. Tilforth, G. Steenhuizen 1973-7-6 892 Los Angeles San Gabriel Mtns., road along west side of San Antonio Canyon, north of Claremont 1220 Comment
  UCR170020  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25607 Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
  RSA0008273  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .2 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  SD39697  Heliotropium curassavicum Edith A. Purer 1931-9-15 2332 Los Angeles El Segundo Comment
  SD4134  Heliotropium curassavicum var. oculatum Ruth B. Randall 1925-4-1 286 Los Angeles Antelope Valley Comment
  UCD119428  Heliotropium curassavicum var. oculatum P. B. Kennedy 1927-7-13 s.n. Los Angeles Oceano. Comment
  SBBG112827  Helminthotheca echioides S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-7-16 SCa 753 Los Angeles Little Harbor Cmpgrd 6 Comment
  SD69692  Helminthotheca echioides Robert F. Thorne 1966-5-31 36450 Los Angeles Santa Catalina Island, grassy field along Isthmus, road back of Little Harbor 4 Comment
  RSA360233  Hemizonia clementina M. B. Dunkle 1939-4-2 7214 Los Angeles San Clemente Island: Pyramid Point. Comment
  RSA527592  Hemizonia clementina Steve Boyd 1990-4-8 4419 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA616543  Hemizonia fasciculata Scott D. White 1995-10-11 3693 Los Angeles Santa Susana Mtns, S of Santa Susana Pass Rd. 503 Comment
  RSA94189  Hemizonia fasciculata F. W. Peirson s.n. Los Angeles Playa del Rey. Comment
  IRVC26478  Herniaria hirsuta A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26147 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  CATA3264  Hesperocyparis stephensonii Julia Parish, Ben Dion 2017-1-30 006 Los Angeles Santa Catalina Island: West side of the upper campsite at Black Jack Campground 495 Comment
  CAS-BOT-BC143689  Heteromeles arbutifolia John I. Carlson 1915-6-13 s.n. Los Angeles Avalon, Santa Catalina Isl. Comment
  RSA0072424  Heteromeles arbutifolia Bonnie C. Templeton, I. W. Clokey 1929-11-19 1451 Los Angeles Mandeville Canyon, Santa Monica Mts. 250 Comment
  RSA471572  Heterotheca fastigiata B. C. Templeton 1936-5-18 5666 Los Angeles San Gabriel Canyon, 1 mile above the dam, San Gabriel Mts. Comment
  RSA0074066  Heterotheca grandiflora R. G. Swinney 1997-12-31 5890 Los Angeles South Coast: Irwindale; abandoned gravel pit N of and adjacent to 210 Freeway about 300 m E of Irwindale Ave. 152 Comment
  UC1215158  Heterotheca grandiflora Peter H. Raven 1962-5-8 17630 Los Angeles opposite Wilson Cove (dunes on w side 0.3 mi from ocean); San Clemente Island 12 Comment
  UC1483920  Heterotheca grandiflora Mark Hoefs 1973-7-20 394 Los Angeles by nw corner Middle Ranch Reservoir; Santa Catalina Island 182 Comment
  UCR133646  Heterotheca grandiflora A. C. Sanders 2003-7-15 27097 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Magic Mountain area, 0.9 mi. south of Castaic Junction, west of 'water tanks 335 Comment
  RSA0074448  Heterotheca grandiflora Orlando Mistretta 1992-9-16 810 Los Angeles San Gabriel Mountains: North of Oak Springs. Oak Springs Trail; Tujunga Ranger District. 793 Comment
  JEPS2485  Heterotheca sessiliflora subsp. fastigiata I. W. Clokey and B. C. Templeton 1936-5-18 5666 Los Angeles 1 mi above San Gabriel Canyon dam; San Gabriel Canyon Comment
  UCR269180  Heterotheca sessiliflora subsp. fastigiata Duncan S. Bell, Caitlin Elam 2013-8-1 5574 Los Angeles Transverse Range; San Gabriel Mountains, Sheep Mountain Wilderness, south side of Prairie Fork, Pine Mountain Ridge, above Lupine Campground area and below Columbine Spring 2031 Comment
  RSA0045441  Heuchera caespitosa Wendy Boes, Andrew S. Wheeler 2009-6-21 2009 -020 Los Angeles San Gabriel Mountains; Sunset Peak, Forest Service RD 2N07.2 1737 Comment
  RSA0066112  Heuchera elegans I. M. Johnston 1928-6-28 s.n. Los Angeles Cascade Canyon, west end Ontario Peak. 1829 Comment
  CAS-BOT-BC319769  Hieracium argutum I. M. Johnston 1917-7-15 1365 Los Angeles Day Canyon, San Antonio Mountains 914 Comment
  RSA657211  Hirschfeldia incana Joseph M. Keefe 2001-1-19 30995 b Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  RSA782544  Hirschfeldia incana R. G. Swinney 2009-4-13 10323 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  SEINET3132102  Hoffmannseggia glauca J. S. Brandegee 1889-5-18 sn Los Angeles San Fernando Comment
  RSA611529  Holodiscus microphyllus Louis C. Wheeler 1968-10-13 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, just above Angeles Crest Highway. Comment
  OBI69290  Hordeum intercedens John Knapp, Denise Knapp 2003-5-11 41 Los Angeles Catalina Island, 364659.30N x 3692730.04E. 198 Comment
  RSA232806  Hordeum intercedens R. F. Thorne 1966-4-16 36065 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  RSA0115758  Hordeum intercedens Steven A. Junak 1999-5-20 SCa- 954 Los Angeles Santa Catalina Island. Cottonwood-Black Jack, plant stop. 304 Comment
  UCR214673  Hordeum marinum A. C. Sanders, Dan S. Cooper 2010-4-30 38156 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA534141  Hordeum murinum subsp. glaucum Timothy S. Ross, Orlando Mistretta, M. Hammit 1991-5-17 5073 Los Angeles San Clemente Island: Lower Wilson Cove Canyon; bouldery, rocky draw SW of and above pier operations. 15 Comment
  UCR205122  Hordeum murinum subsp. leporinum R. G. Swinney 2008-4-17 8684 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCSB6766  Hordeum vulgare B., K. 1943-3-25 Los Angeles Dalton C.C.C., San Dimas Experimental Forest, San Gabriel Mountains Comment
  UC534839  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulfur Springs San Gabriel Mtns 1524 Comment
  RSA0001319  Hulsea vestita subsp. gabrielensis D. H. Wilken 1973-6-1 11880 Los Angeles Angeles Crest Highway, 3 miles east of Chilao, San Gabriel Mtns. 1829 Comment
  RSA578724  Hymenoclea salsola Timothy S. Ross, J. Mark Porter 1994-5-1 7578 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA562801  Hymenolobus procumbens D. Charlton 1992-4-17 s.n. Los Angeles Piute Ponds, SW corner of Edwards afb, S of Rosamond and N of Lancaster. 701 Comment
  UCR258957  Hypochaeris glabra R. G. Swinney 2010-2-27 11750 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  CATA1529  Hypochaeris radicata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-11 2750 Los Angeles Santa Catalina Island: By Avalon School science building, Falls Canyon 27 Comment
  UCR205712  Ipomoea cairica A. C. Sanders, T. B. Salvato 2009-5-21 36888 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CDA5572  Ipomoea mutabilis T. C. Fuller 1963-4-25 10300 Los Angeles Opposite 357 West Channel Pd., Santa Monica. 0 Comment
  CATA329  Isocoma menziesii var. menziesii Mark L. Hoefs 1973-7-13 366 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  CAS-BOT-BC311714  Isocoma menziesii var. vernonioides Geo. B. Grant 1906-9-1 7163 Los Angeles Catalina Island Comment
  CAS-BOT-BC311718  Isocoma menziesii var. vernonioides John Thomas Howell 1927-10-29 3187 Los Angeles Near Alamitos Bay 15 Comment
  JEPS19123  Isocoma menziesii var. vernonioides Frank W. Peirson 1921-11-11 2596 Los Angeles Saugus Comment
  POM40664  Isocoma menziesii var. vernonioides H. E. Hasse 1890-08 s.n. Los Angeles [Unspecified] Comment
  RSA152159  Ivesia santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson saddle. 2439 Comment
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Jun 25 2011
  RSA628637  Ivesia santolinoides Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: Summit Pallett Mountain. 2366 Comment
  SEINET10476753  Juglans californica Lyman D. Benson 1949-4-29 Benson 13597 Los Angeles Puente hills, 4 miles sw of pomona, california oak woodland, north slope heavy Soils 305 Comment
  UC535344  Juglans californica var. californica Ira W. Clokey, B. Templeton June, 1929 4585 Los Angeles Mandeville Canyon Santa Monica Mountains 250 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
  UCR94663  Juncus balticus A. C. Sanders, E. J. Lott 1993-5-6 13954 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  RSA0091138  Juncus bufonius var. bufonius R. G. Swinney 2011-5-24 14829 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  RSA730314  Juncus covillei R. G. Swinney 1998-9-4 6907 Los Angeles Vincent Gap, off trail c. 350m SE of parking area at spring near canyon bottom 1988 Comment
  RSA685157  Juncus macrophyllus Scott D. White 2003-7-25 9646 Los Angeles Santa Clarita area; Santa Clara River just upstream from Boquet Canyon bridge; Newhall. 351 Comment
  RSA158262  Juncus patens Peter H. Raven 1962-7-11 18004 Los Angeles upper reaches of canyon south of Lemon Tank, San Clemente Island Comment
  RSA69861  Juncus torreyi F. W. Peirson 1928-9-4 8186 Los Angeles about 1 mile above Pallett Creek Comment
  UC213657  Juncus xiphioides I. M. Johnston 1917-8-23 1632 Los Angeles Prairie Fk of San Gabriel R. San Antonio Mountains 1524 Comment
  RSA226032  Juniperus californica Robert F. Thorne, C. W. Tilforth 1971-6-17 39898 Los Angeles N slope of San Gabriel Mountains: Near junction of Bee Canyon with Santa Clara River valley, 1.3 mile E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter 549 Comment
  UCD133681  Juniperus californica Daryl Koutnik 1978-4-28 441 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 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
  HSC12392  Keckiella cordifolia Wendell Wood 1970-6-21 19 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  LA200892  Keckiella cordifolia Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1969-6-21 4591 Los Angeles SANTA MONICA MOUNTAINS, near Calabasas. Comment
  RSA401702  Keckiella cordifolia Bonnie C. Templeton 1930-5-27 1405 Los Angeles Higgins Canyon, north of Beverly Hillls. 200 Comment
  SBBG66604  Keckiella ternata subsp. septentrionalis R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  POM21347  Keckiella ternata subsp. ternata Fordyce Griffiths Jr. 1917-7-29 s.n. Los Angeles Mt. Lowe, San Gabriel Ridge. 1616 Comment
  UCR147284  Keckiella ternata subsp. ternata Orlando Mistretta 1992-6-17 581 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  CLARK-A1528-2584  Kochia californica John C. Roos 1947-9-18 2790 Los Angeles Lancaster Comment
  SBBG31093  Lactuca serriola R. F. Thorne 1966-4-29 36276 Los Angeles near temporary pool above ranch in Middle Ranch Cyn 228 Comment
  UCD133632  Lagophylla ramosissima Louis C. Wheeler 1967-6-26 9865 Los Angeles San Gabriel Mountains: Whintey Canyon, near mouth. 434 Comment
  RSA658313  Lamarckia aurea D. Roche 1998-5-3 12 Los Angeles Mt. Baldy Road 2.6 miles from the intersection of Mills Ave. and Mt. Baldy Rd. East side of the road. 732 Comment
  SFV445  Lamarckia aurea M. L. Vincent 1963-5-7 338 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UCSB12224  Lamarckia aurea Hochberg, Fred 1961-3-17 Los Angeles 20 meters below Milk Barn, Middle Ranch, Middle Canyon, Catalina Island Comment
  SFV2006  Larrea tridentata M. L. Vincent 1962-10-4 292 Los Angeles Mojave Desert Antelope Valley. 2 miles north of Littlerock off main Highway 138, in back of Telephone building. Comment
  RSA586614  Lasiospermum bipinnatum Timothy S. Ross, Steve Boyd, S. Carlquist 1992-5-26 6427 Los Angeles Northern Claremont: just S of the intersection of Mills Avenue x Mt. Baldy Road. 497 Comment
  POM361553  Lasthenia californica Ora M. Clark 1929-3-24 1787 Los Angeles S. Santa Susana Mtns. Comment
  RSA724502  Lasthenia californica K. Dobry 1990-3-25 235 Los Angeles Simi Hills at Dayton Canyon Comment
  RSA4774  Lasthenia glabrata subsp. coulteri James Snow 1932-03 s.n Los Angeles Plants of the Bryant Ranch, near Long Beach, station #4 Plant #1. Comment
  POM361484  Lasthenia gracilis F. R. Fosberg 1931-5-4 4753 Los Angeles Middle Ranch Canyon, mouth Santa Catalina Island 3 Comment
  RSA600029  Lasthenia gracilis Steve Boyd, Lauren Raz 1997-3-25 9249 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
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Apr 28 2008
  UC284966  Lasthenia gracilis P. A. Munz 1923-4-9 6688 Los Angeles near Lemon Tank; San Clemente Island Comment
  UCR153576  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2005-4-26 29714 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR176095  Lasthenia gracilis Holly A. Wanamaker 2005-5-1 39 Los Angeles Western Mojave Desert, Antelope Buttes, off Hwy 138 at 110th St. West in Lancaster, c. 4 mi. SW of intersection on a dirt road, adjacent to the California Poppy Preserve 912 Comment
  CAS-BOT-BC367544  Lasthenia microglossa Ernest C. Twisselmann 1962-4-18 6946 Los Angeles Liebre Mountain: 0.25 mile northwest of the old Leibre Ranch headquarters 1066 Comment
  CHSC856  Lathyrus vestitus E. Thomas 1940-4-6 Los Angeles Spreading grounds for San Antonio river. Comment
  UCR127053  Lathyrus vestitus M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA0078580  Lathyrus vestitus subsp. laetiflorus Bonnie C. Templeton 1920-2-4 1436 Los Angeles Mandeville Canyon, Santa Monica Mts. 200 Comment
  POM294612  Lathyrus vestitus var. vestitus Lyman Benson 1945-3-25 11615 Los Angeles Big Dalton Canyon, Glendora 351 Comment
  RSA0064057  Lathyrus vestitus var. vestitus R. G. Swinney 2010-4-20 12305 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  SDSU8152  Lavatera Gerald Collier 1951-5-14 M 306 Los Angeles L.A. 99- Barrington Ave. 1/4 mile south of Sunset blvd. Comment
  SBBG43845  Lavatera assurgentiflora subsp. glabra M. R. Benedict 1971-6-27 Los Angeles across rd from civilian barracks about 0.3 mi S of pier at Wilson Cove Comment
  PASA2314  Layia glandulosa Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  RSA593689  Layia glandulosa Steve Boyd 1996-4-25 8708 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  CAS-BOT-BC377815  Layia platyglossa Alice Eastwood 1906-5-27 s.n. Los Angeles Ocean Park Comment
  RSA527736  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4303 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  UCR124943  Lemna minor B. C. Templeton, I. W. Clokey 1930-2-18 1485 Los Angeles SE area of Rancho La Brea, Curson at Wilshire Blvd., Los Angeles 53 Comment
  UCR230150  Lemna minuscula A. C. Sanders, Dan S. Cooper 2010-4-30 38129 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA82022  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA680078  Lepechinia fragrans Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 349 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Rd. 7.3mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  SEINET4942330  Lepechinia fragrans Jay Walker, Hoefs, Mark; Thorn, Robert 1995-4-8 1333 Los Angeles Santa Catalina Island. 4km N of Avalon along paved road Comment
  RSA611349  Lepidium dictyotum var. dictyotum Steve Boyd 1998-4-1 10133 Los Angeles Mojave Desert: Antelope Valley, along Highway 138 (West Avenue D), ca. 1.8 miles west of the junction with Highway 14, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  UCR189656  Lepidium fremontii R. G. Swinney 1998-5-16 6059 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  RSA679826  Lepidium fremontii var. fremontii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 849 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  SEINET5326389  Lepidium nitidum G. B. Grant 678 Los Angeles From Pasadena, CA Comment
  POM18211  Lepidium nitidum var. nitidum P. A. Munz 1923-4-10 6716 Los Angeles San Clemente Island; S of Lemon Tank west coast Comment
  RSA550399  Lepidium ramosissimum var. bourgeauanum Timothy S. Ross, Peter Fritsch 1990-6-20 3609 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  JEPS53774  Lepidium virginicum Frank W. Peirson 1918-11-2 298 Los Angeles Mt. Wilson Summit San Gabriel Mountains 1767 Comment
  UC216493  Lepidium virginicum var. pubescens A. J. McClatchie 1893-4-10 Los Angeles near Pasadena Comment
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Dec 9 2010
  RSA155884  Lepidospartum squamatum Peter H. Raven 1961-10-15 16863 Los Angeles Betw Foothill Blvd (Hwy 66) and the Botanic Garden, Claremont 366 Comment
  SEINET13276798 Image available Lepidospartum squamatum R. G. Swinney 2011-1 15870 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  UCR126625  Lepidospartum squamatum A. C. Sanders, Mark Elvin 2003-8-7 27175 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR212813  Lepidospartum squamatum Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1805 Los Angeles San Gabriel Valley, San Gabriel River [channel, northeast of East Huntington Drive], Lario San Gabriel River Trail Park 181 Comment
  POM266612  Leptochloa fusca subsp. fascicularis J. C. Roos 1942-9-12 1732 Los Angeles Roosevelt Highway, Santa Monica. Comment
  UC440452  Leptodactylon californicum Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topango Canyon; Santa Monica Mountains, Topango Canyon Comment
  SEINET6070056  Leptosiphon androsaceus Louis C. Wheeler 1967-5-15 9589 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  POM9145  Leptosiphon aureus subsp. aureus W. R. Dudley, F. H. Lamb 1896-6-8 4334 Los Angeles At Spragues, Liebre Mts. [an annotation note by Carl Epling reads: Same collection number (Stanford Univ. Herb. 13765) was collected at Edge of Antelope Valley near Neenach, June 6, 1896.] Comment
  RSA709808  Leptosiphon aureus subsp. aureus Gary D. Wallace, Ann Hiller 1983-5-18 2058 Los Angeles Dirt road W of junction with Chesboro Road on Mt. Emma Rd. at 47th St. E. Gypsum area further along road. 945 Comment
  RSA73033  Leptosiphon breviculus F. W. Peirson 1922-7-5 4709 Los Angeles 0.5 mile east of Big Pines, San Gabriel Mtns. 2027 Comment
  HSC17089  Leptosiphon liniflorus C. S. Apperson 1967-6-3 Los Angeles 5 mi. E of Gorman on Hwy. 138 Comment
  LA81938  Leptosiphon parviflorus O. H. Kappler; 1940-5-19 16 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA783486  Leptosyne bigelovii J. D. Olmsted 1959-4-25 496 Los Angeles 1 mi. NNE of Valyermo P. O. along Holcomb Ridge east of Wrightwood-Pearblossom road. Mt. range: San Gabriel Mts.; drainage area: Big Rock Creek. 1128 Comment
  SJSU13581  Lessingia glandulifera C. W. Sharsmith 1943-9-10 4584 Los Angeles near Llano, W Mojave Desert Comment
  RSA617172  Lessingia glandulifera var. glandulifera LeRoy Gross 1998-9-18 63 Los Angeles Southern base of San Gabriel Mountains; Big Tujunga Wash east of the 210 freeway. 366 Comment
  RSA774801  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-7-23 11397 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  POM250005  Lessingia glandulifera var. glandulifera E. C. Jaeger 1938-7-1 s.n. Los Angeles Mojave Desert. Comment
  RSA698747  Lessingia glandulifera var. peirsonii LeRoy Gross, Paul Morton 2004-6-9 1333 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  CAS-BOT-BC283825  Leymus condensatus Cecil Hart 1921-7-1 17 Los Angeles Howard and Smith's nursery, Montebello Comment
  SBBG120142  Leymus condensatus A. C. Sanders 2003-5-22 26820 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, E of Irwindale Ave, S of 210 Freeway (which bisects it) and N of Santa Fe railroad, E of San Gabriel River channel 171 Comment
  POM50479  Leymus triticoides Le Roy Abrams 1901-06 1720 Los Angeles Ballona Creek, Mesmer., [33?57'40N, 118?27'20W] Comment
  RSA0106320  Lilium humboldtii var. bloomerianum Lyman Benson 1954-6-27 15300 Los Angeles Little Dalton Canyon above Glendora. Mt. Range: San Gabriel. 426 Comment
  RSA755819  Lilium parryi Richard G. Swinney 2008-7-2 9142 Los Angeles north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  RSA468558  Linanthus androsaceus subsp. luteolus Richard C. Barkelew 1929-4-23 s.n. Los Angeles Malibu Mountains. Comment
  UCR177461  Linanthus breviculus LeRoy Gross, Michael Denslow 2003-6-4 976 Los Angeles Transverse Range; San Gabriel Mountains, trail from Islip Saddle to Mt. Williamson 2195 Comment
  UCR205923  Linanthus breviculus R. G. Swinney 2008-5-5 8763 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  RSA122987  Linanthus californicus A. D. Gifford 1935-1-7 411 Los Angeles 6 1/2 miles southwest of Whitaker Peak. 518 Comment
  SDSU3177  Linanthus concinnus D. F. Howe 1979-4-30 5086 Los Angeles 2 miles NW of Devil's Punch Bowl. 1433 Comment
  RSA695501  Linanthus concinnus Valerie L. Soza, Naomi Fraga 2003-7-3 1710 Los Angeles Big Rock Creek; Manzantia Trail. 1593 Comment
  LA33441  Linanthus dianthiflorus Peter H. Raven; 1959-4-4 13954 B Los Angeles 24 Comment
  RSA0116314  Linanthus dichotomus A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31965 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  JEPS58539  Linanthus parryae Frank W. Peirson 1921-5-20 940 Los Angeles Little Rock Creek San Gabriel Mountains 1066 Comment
  SBBG16419  Linanthus parryae D. Myrick 1962-4-10 497 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  RSA710808  Linanthus parryae LeRoy Gross 2005-5-3 2200 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
  UCR214033  Linanthus parviflorus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37953 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  RSA73281  Linanthus pungens F. W. Peirson 1929-7-1 8440 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  POM247633  Linaria bipartita J. D. Laudermilk 1939-5-15 s.n. Los Angeles San Antonio Canyon above Claremont Comment
  RSA400293  Linaria canadensis var. texana F. R. Fosberg 1931-3-20 S- 4316 Los Angeles Santa Catalina Island. Hamilton canyon, mouth near Avalon. Comment
  RSA244386  Lithophragma affine Robin S. Collins 1973-4-9 237 Los Angeles Angeles National Forest, San Gabriel Mts: Trail Cyn. 610 Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  POM1585  Lithophragma affine O. W. Robinson 1916-5-7 s.n. Los Angeles Johnson s Pastures, north of Claremont Comment
  RSA305702  Lithophragma affine subsp. mixtum Mark Hoefs, D. Propst 1973-5-4 211 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  SFV22057  Lithophragma affine subsp. mixtum V. Soza, L. Gross, B. Hogshead 2001-4-18 1154 Los Angeles Verdugo Mountains Verdugo Mountains. Ridgetop above McDonald Creek. North-northwest-facing slope above trail. 396 Comment
  UCR204206  Lithophragma maximum Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark, Steve Burckhalter 1996-4-20 165 Los Angeles Channel Islands, San Clemente Island, third canyon south of Bryce 305 Comment
  UCR223263  Lobelia dunnii R. G. Swinney 2009-8-19 11450 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon Wilderness Park, at waterfall 534 Comment
  POM78665  Lobelia dunnii var. serrata Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon, Sierra Madre. Comment
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Sep 16 2007
  RSA0036166  Lobularia maritima Bill Duval s.n. Los Angeles La Crescenta Comment
  RSA441647  Loeflingia squarrosa Anstruther Davidson 1916-07 s.n. Los Angeles Crescenta. Comment
  RSA610008  Loeflingia squarrosa L. C. Wheeler 1936-4-21 4095 Los Angeles San Dimas Wash. 366 Comment
  RSA441651  Loeflingia squarrosa George B. Grant 5486 Los Angeles [Unspecified] Comment
  SD90274  Logfia filaginoides Robert F. Thorne 1973-4-11 42796 Los Angeles San Clemente Island 424 Comment
  SBBG113083  Logfia gallica S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 632 Los Angeles S of rd to East Pk, on ridge WSW of Pk 1245; ca. 0.95 air mi NW of East Pk 329 Comment
  SBBG32128  Logfia gallica R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -254 Los Angeles ridge between Sweetwater Cyn and Mt Orizaba Comment
  CAS-BOT-BC269096  Lolium perenne Geo. B. Grant 1904-7-8 6318 Los Angeles Cienega Comment
  POM1292  Lolium perenne subsp. multiflorum W. R. Shaw 1900-6-11 s.n. Los Angeles Claremont. Comment
  RSA594753  Lomatium dasycarpum subsp. dasycarpum T. S. Ross 1995-4-7 8368 Los Angeles 'OLD RIDGE ROUTE'': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  SFV7984  Lomatium lucidum T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1350 Los Angeles San Gabriel Mountains Near lower Trail Canyon. 732 Comment
  UC106237  Lomatium lucidum Dr. H. E. Hasse April 1888 Los Angeles Sierra Madre foothills Comment
  RSA584325  Lomatium mohavense T. S. Ross, Steve Boyd 1991-3-23 4247 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, +/- west of Lovejoy Springs (destroyed by development.) 884 Comment
  RSA649697  Lomatium mohavense Michael Horn 1991-4-7 3 Los Angeles San Gabriel Mountains, Topo.: Mescal Creek. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile of the unnamed dirt road to site. 1463 Comment
  POM20497  Lomatium nevadense var. parishii P. A. Munz 1923-5-26 6636 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA599664  Lomatium nevadense var. parishii Steve Boyd, Lauren Raz 1997-5-1 9682 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
  CAS-BOT-BC240493  Lonicera hispidula Lester Rowntree 1938-3-15 s.n. Los Angeles Catalina Comment
  UC1080442  Lonicera interrupta E. K. Balls 1957-6-27 22654 Los Angeles Botanic Garden Claremont 396 Comment
  CAS-BOT-BC234811  Lonicera subspicata Marcus E. Jones 1884-8-22 383 Los Angeles Pasadena Comment
  HSC3951  Lonicera subspicata var. denudata C. E. Fellows 1965-9-7 142 Los Angeles 3 mi. from intersection of Angeles Crest Hwy. and Angeles Forest Hwy. on Angeles Crest Hwy. 1220 Comment
  RSA754119  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1822 Los Angeles San Gabriel River main stem across from Morris Dam, CS1. 403 Comment
  UCR273376  Lonicera subspicata var. denudata R. G. Swinney 2011-6-22 15258 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  UCR68916  Lotus argophyllus subsp. ornithopus Steve Boyd, Et al. 1990-4-7 4204 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA515123  Lotus argophyllus subsp. ornithopus Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -6 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  UC864767  Lotus argophyllus var. argenteus F. R. Fosberg 1931-3-18 S 4294 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  RSA602311  Lotus crassifolius var. crassifolius Steve Boyd, Lauren Raz 1997-6-17 9950 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  POM220065  Lotus dendroideus var. dendroideus F. R. Fosberg 1932-5-6 8115 Los Angeles Santa Catalina Island. Ridge above Villa Park, Avalon 60 Comment
  UC15608  Lotus grandiflorus J. H. Barber 1897-3-28 107 Los Angeles Santa Monica Canyon Comment
  UCR51005  Lotus humistratus A. C. Sanders, E. J. Lawlor 1988-4-3 7758 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  POM406118  Lotus nevadensis var. davidsonii L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima Canyon Comment
  UCR194036  Lotus procumbens R. G. Swinney 1999-6-5 7246 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA597565  Lotus procumbens var. procumbens T. S. Ross 1990-6-22 3757 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  RSA724418  Lotus purshianus var. purshianus K. Dobry 1991-6-27 d- 784 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  SFV1844  Lotus salsuginosus M. L. Vincent 1962-4-6 164 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  POM11699  Lotus salsuginosus var. salsuginosus P. A. Munz, R. D. Harwood 1920-5-15 4000 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  RSA406817  Lotus salsuginosus var. salsuginosus L. C. Wheeler 1934-4-22 2537 Los Angeles W side Big Santa Anita Canyon, San Gabriel Mts. 487 Comment
  UCR190795  Lotus scoparius subsp. brevialatus R. G. Swinney 2001-5-18 7935 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  RSA654649  Lotus scoparius var. brevialatus Fred Brooks 1988-4-23 25 Los Angeles San Antonio Canyon, [San Gabriel Mountains] below the first tunnel 915 Comment
  UC1922300  Lotus scoparius var. scoparius Valerie Soza, Miriam Sidibeh 2003-3-26 1600 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 549 Comment
  UCR273397  Lotus scoparius var. scoparius R. G. Swinney 2011-4-26 14497 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR223742  Lotus strigosus R. G. Swinney 2009-6-24 11238 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA586341  Lotus strigosus Orlando Mistretta 1995-3-17 1553 Los Angeles Slopes northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA533951  Lotus strigosus var. strigosus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5203 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  POM49320  Lotus unifoliolatus L. W. Nuttall 1920-5-31 s.n. Los Angeles Big Wash Canyon, Santa Catalina Island. Comment
  RSA529923  Lotus unifoliolatus T. S. Ross 1991-8-16 5831 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  RSA536049  Lupinus agardhianus T. S. Ross 1991-5-21 5398 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 457 Comment
  SEINET10870947  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 8292 (3) Comment
  CAS-BOT-BC201433  Lupinus albifrons var. albifrons E. K. Balls 1952-4-12 8465 Los Angeles Just North of Claremont below Indian Hill 365 Comment
  POM9817  Lupinus arbustus P. A. Munz 1921-6-17 4607 Los Angeles Swartout Valley, on high ridge. 2287 Comment
  CHSC8292  Lupinus bicolor Edward L. Smith 1957-5-9 168 Los Angeles In a wash, Pomona College campus, at Claremont. 365 Comment
  RSA593020  Lupinus bicolor Steve Boyd 1996-4-25 8729 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, north side of Cold Canyon along Forest Service Road 7N23 ca 2.3 road miles N of jtn with 7N22. 1537 Comment
  UCR141153  Lupinus bicolor June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  SFV4362  Lupinus bicolor D. B. Dunn 1941-3-15 859 Los Angeles Highland Park. North Figueroa Ave. near Ave. 50. Comment
  UCD107125  Lupinus bicolor C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  CHSC98607  Lupinus bicolor subsp. microphyllus LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 181 Los Angeles San Rafael Hills: Ridge running west from Lookout Tower, east of the (2) Glendale Freeway. Near ridgetop; area burned in 1999. 487 Comment
  LA205005  Lupinus chamissonis Carl Epling; 1943-3-13 3672 Los Angeles Sand hills: Pershing Drive, 1 mi. S of Culver City Blvd, Playa del Rey Comment
  RSA87316  Lupinus concinnus F. W. Peirson 1923-4-10 3426 Los Angeles South slope Canyon close below Summit Plateau, San Clemente Island Comment
  SEINET13276795 Image available Lupinus excubitus subsp. hallii R. G. Swinney 2011-1 14498 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  CAS-BOT-BC216662  Lupinus excubitus subsp. hallii C. F. B. 1903-4-1 4102 Los Angeles Anaheim Comment
  RSA413587  Lupinus excubitus var. austromontanus B. C. Templeton 1932-6-1 5060 Los Angeles West Blue Ridge, Big Pines Park 2194 Comment
  RSA599629  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-4-16 9523 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SFV1876  Lupinus excubitus var. austromontanus P. G. Kilburn 1958-6-18 839 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  POM295534  Lupinus excubitus var. hallii Lyman D. Benson 1945-6-5 11753 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  RSA226544  Lupinus excubitus var. hallii C. W. Tilforth 1969-5-31 194 Los Angeles Small Canyon 1/2 mile E of intersection of Colima Rd and Punta Del Este Ave, north of Whittier, Comment
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Aug 6 2014
  UCR271089  Lupinus excubitus var. hallii R. G. Swinney 2011-4-28 14526 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
  SBBG121865  Lupinus formosus A. Parikh, N. Gale 2005-6-15 780 Los Angeles Portal Ridge, 0.9 km NNW of intersection of N2/Johnson Rd, 1.5 km E of intersection of N2/Munz Ranch Rd; Liebre Mtns 1060 Comment
  JEPS65164  Lupinus formosus Frank W. Peirson 1918-5-26 90 Los Angeles Henniger Flats 868 Comment
  RSA413636  Lupinus formosus var. formosus Gale Sphon 1955-4-16 s.n. Los Angeles Gorman; junction of highways 99 and 138. Comment
  RSA307829  Lupinus formosus var. formosus H. J. Ramsey 1938-3-27 2773 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA91228  Lupinus formosus var. formosus F. W. Peirson 1924-5-26 4638 Los Angeles Strawberry Peak, Strawberry Peak, San Gabriel Mts 1143 Comment
  LA200466  Lupinus hirsutissimus A. M. Johnson; 1934-3-16 4336 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA713740  Lupinus hirsutissimus A. C. Sanders, Helen Kennedy 2005-4-13 29424 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCD107943  Lupinus hirsutissimus Gordon Pilone 1961-3-13 105 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  UCR252738  Lupinus latifolius R. G. Swinney 2010-5-29 13407 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  POM156357  Lupinus longifolius L. R. Abrams 1902-7-10 2505 Los Angeles Bluffs near the sea. Playa del Rey Comment
  HSC104226  Lupinus microcarpus R. G. Swinney 2009-4-24 10439 Los Angeles Transverse Ranges; San Gabriel Mtns., Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  RSA618710  Lupinus microcarpus var. densiflorus Scott D. White 1998-5-19 6511 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
  UCR167212  Lupinus odoratus S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  RSA0017059  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson saddle 2438 Comment
  SEINET6068405  Lupinus peirsonii Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  IRVC26452  Lupinus sparsiflorus A. C. Sanders, Mark Elvin, et al. 2003-3-5 25707 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  SEINET13383407 Image available Lupinus sparsiflorus R. G. Swinney 2010-1 11971 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 539 Comment
  SFV21652  Lupinus sparsiflorus J. N. Hogue 2010-5-1 s. n. Los Angeles San Gabriel Mountains Big Tujunga Canyon. Roadside near Wildwood. 580 Comment
  UCR230899  Lupinus sparsiflorus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-21 8049 Los Angeles Lower south foothills of Sierra Pelona, 500 m N of Governor Mine, 950 m E of Red Rover Mine Rd, and 2.2 km N of I-14/Sierra Highway 1116 Comment
  RSA628034  Lupinus sparsiflorus subsp. sparsiflorus L. C. Wheeler 1931-3-6 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UCSB43750  Lupinus succulentus Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.84 miles from its junction with Avalon Canyon Road on Santa Catalina Island 304 Comment
  RSA529145  Lupinus succulentus Tim S. Ross 1991-4-8 4479 Los Angeles Elephant Hill: western Pomona. 229 Comment
  RSA294749  Lupinus truncatus Lyman Benson 1945-4-13 11668 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  RSA599785  Lupinus truncatus Steve Boyd, Lauren Raz 1997-3-25 9278 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, flats and slopes just northeast of ranch compound. 976 Comment
  SBBG31476  Lupinus truncatus R. F. Thorne 1966-4-7 39551 Los Angeles Cherry Valley 60 Comment
  UC1215189  Lupinus truncatus Peter H. Raven 1962-5-9 17649 Los Angeles along road just n of Guds San Clemente Island (San Clemente Island) 249 Comment
  UCR270978  Lupinus truncatus R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA654584  Lupinus truncatus Ron Martinolich 1991-4-7 8 Los Angeles Los Angeles, Griffith park, off of Griffith Pk. Dr.3 mi. west of Zoo Dr. at dirt parking area, south-east on fire road ca.25 mi., on north side, 10 ft. off road. Comment
  RSA428582  Lycium brevipes var. brevipes House, Grumbles 1930-8-5 14782 Los Angeles San Clemente Island. Comment
  RSA233584  Lycium californicum Robert F. Thorne 1970-3-6 39398 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA527615  Lyonothamnus floribundus subsp. aspleniifolius Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-8 4399 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SD217370  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4314 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  CAS-BOT-BC142323  Lyonothamnus floribundus subsp. floribundus Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA167789  Lyonothamnus floribundus subsp. floribundus Robert F. Thorne, Percy C. Everett 1964-2-6 33431 Los Angeles ENE slope of Black Jack Mt. above airport road, central part of Santa Catalina Island 457 Comment
  LA202597  Lythrum californicum J. H. Barber; 1898-8-3 sn Los Angeles Santa Monica Mountains, Topango Comment
  CAS-BOT-BC343071  Madia gracilis Louis C. Wheeler 1932-5-21 741 Los Angeles Head of Mandeville Canyon, Santa Monica Mts. 533 Comment
  CATA3006  Madia gracilis Peter J. Dixon 2015-4-27 040 Los Angeles Santa Catalina Island: Upper Coffeepot Canyon, near stock pond on Renton Pass Rd. 1.3 mile SW of residence (1 Renton Pass) 454 Comment
  UCR124560  Madia gracilis B. C. Templeton 1932-6-1 4870 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2330 Comment
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Jan 7 2013
  UCR213778  Madia gracilis Scott D. White, Justin M. Wood 2009-5-6 12648 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  UCR227776  Madia gracilis R. F. Thorne, Percy C. Everett 1965-5-11 34676 Los Angeles Channel Islands, Santa Catalina Island, on and above summit road from Avalon to airport 91 Comment
  LA201788  Madia sativa Arthur C. Gibson; 2003-9-3 4844 Los Angeles 167 Comment
  RSA13148  Mahonia nevinii Percy C. Everett 1935-6-25 7244 Los Angeles San Fernando Valley: 1 mile NE of Pacoima on both sides of Van Nuys Blvd. 244 Comment
  CAS-BOT-BC512881  Maianthemum stellatum Robert F. Thorne 1969-7-2 38338 Los Angeles San Gabriel Mts., Angeles national Forest. c. 1.8 miles S of Dawson Saddle on Angeles Crest Hwy. (NW slope of Mt. Hawkins 2270 Comment
  SBBG52886  Malacothamnus clementinus F. C. Boutin 1967-4-23 1654 Los Angeles Lemon Tank 304 Comment
  CAS-BOT-BC230897  Malacothamnus davidsonii C. B. Wolf 1931-7-2 2264 Los Angeles Little Tujunga Wash, 1/2 mi. above the bridge on the road from Sunland to San Fernando 335 Comment
  SFV21949  Malacothamnus davidsonii J. A. Anderson 2010-10-25 s. n. Los Angeles San Fernando Valley San Fernando, Pacoima Wash. 360 Comment
  UC1303155  Malacothamnus davidsonii C. B. Wolf 1932-9-15 4076 Los Angeles ca 0.5 mi s San Fernando (2 blocks e of San Fernando Rd on Vaughn Ave); San Fernando Valley 304 Comment
  CAS-BOT-BC206199  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash 106 Comment
  IRVC27044  Malacothamnus fasciculatus Mark A. Elvin 2003-8-13 2982 Los Angeles Newhall Ranch, Potrero Canyon S of Potrero Creek NE end of the Santa Susana Mtns. 360 Comment
  POM199710  Malacothamnus fasciculatus I. W. Clokey, Bonnie C. Templeton 1929-07 4595 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  UCR125402  Malacothamnus fasciculatus A. C. Sanders, M. S. Enright 2002-8-8 25574 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, lower slopes on the south side of Potrero Canyon, below the dirt road to bench mark 1804 457 Comment
  UCR125770  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters 396 Comment
  CAS-BOT-BC206369  Malacothamnus fremontii Wesley O. Griesel 1961-8-9 s.n. Los Angeles Blue Ridge, San Gabriel Mts. 2225 Comment
  CAS-BOT-BC204187  Malacothamnus marrubioides Le Roy Abrams; E. A. McGregor 1908-7-5 631 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains Comment
  RSA596432  Malacothamnus marrubioides Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8872 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
  UC729487  Malacothamnus orbiculatus Carl B. Wolf 1932-8-11 1541 Los Angeles 8 mi below Big Pines Park (on road to Little Rock); No. slope San Gabriel Mts. 1371 Comment
  UCR192171  Malacothrix californica A. C. Sanders 2008-4-17 34932 Los Angeles Transverse Range, hills c. 1.5 miles SW of Neenach School, c. 1.5 mi. west of Pine Canyon 989 Comment
  JEPS31169  Malacothrix californica Ernest C. Twisselmann 1962-4-18 6955 Los Angeles 0.5 mi above Oso Corral; Tehachapi Mountains, Oso Canyon 975 Comment
  UC284139  Malacothrix foliosa P. A. Munz 1923-4-8 6612 Los Angeles San Clemente Island; e coast Comment
  SJSU2492  Malacothrix glabrata H. L. Buckalew 1962-4-18 Los Angeles rd between Vincent & Littlerock Comment
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Feb 14 2006
  UCR205846  Malacothrix glabrata R. G. Swinney 2008-5-8 8815 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCD134415  Malacothrix glabrata Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 34 Los Angeles City of Llano, Mojave Desert, 0.4 mile south of Hwy 138, on Largo Vista Road, west side of road. 825 Comment
  RSA654328  Malacothrix saxatilis Benjamen Rangel 1992-5-17 777 -45 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  JEPS26039  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles e slope Coldwater Canyon; Santa Monica Mts. 335 Comment
  LA49865  Malosma laurina Peter H. Raven; 1960-7-17 15538 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  RSA609008  Malosma laurina L. C. Wheeler 1931-1 s.n. Los Angeles La Verne. Comment
  UCD116866  Malosma laurina G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  CAS-BOT-BC170377  Malosma laurina Mrs. Alexander McCallum 1905-3-1 s.n. Los Angeles Unspecified Comment
  POM155582  Malva parviflora M. B. Dunkle 1928-4-11 1856 Los Angeles Bird Rock 6 Comment
  RSA450618  Malva parviflora A. C. Sanders 1987-12-4 7572 Los Angeles El Segundo Dunes, immediately W of Los Angeles Int. Airport and Pershing Dr. 30 Comment
  SFV18431  Malva parviflora C. Ferguson 1974-4-26 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Next to Nature Center. 460 Comment
  UCD116647  Malva parviflora Steve Mason; Helen M. Mason 1993-3-21 35 Los Angeles Sepulveda, backyard of 9629 Langdon Ave. Comment
  RSA0083087  Marah macrocarpa R. G. Swinney 2010-3-22 12040 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA440979  Marah macrocarpa Martha Hilend 1928-3-4 51 Los Angeles Santa Monica Mtns: N of Pacific Palisades. Comment
  UCR152478  Marah macrocarpa A. C. Sanders, Lee Jones 2005-4-8 29368 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR182563  Marah macrocarpa Sharon Dougherty 2007-3-6 s.n. Los Angeles San Gabriel Mtns., Sycamore Flat and slopes of Johnstone Peak, San Dimas Experimental Forest, proposed communication site 854 Comment
  RSA440982  Marah macrocarpa Richard Kirtland 1928-3-28 s.n. Los Angeles Palos Verdes Hills Comment
  RSA4562  Marah macrocarpa P. A. Munz 1915-4-6 2056 Los Angeles Claremont, CA. 366 Comment
  CATA225  Marrubium vulgare Mark L. Hoefs, A. Douglas Propst 1973-5-4 215 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  SFV7153  Medicago lupulina V. E. Rudd 1974-8-3 3423 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  RSA592307  Medicago polymorpha L. C. Wheeler 1967-5-13 9506 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  CHSC35496  Melica imperfecta James Henrickson 1979-5-18 18138 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  POM296908A  Melica imperfecta Lyman Benson 1945-5-11 11705 Los Angeles Canyon below Johnson's Pasture, Claremont, 549 Comment
  RSA0021968  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-6-24 5280 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
  SD260874  Melica imperfecta R. G. Swinney 2010-4-13 12197 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2 - 0.5 miles east of Pacoima Canyon. In burn area of 2009 Station Fire. 561 Comment
  UCR100604  Melica imperfecta B. G. Pitzer 1996-5-5 2853 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCD108094  Melilotus indicus Ernest C. Twisselmann 1965-5-18 10859 Los Angeles Along the Lancaster Road, ca. 3 miles southeast of Gorman. 1097 Comment
  UCR223672  Melilotus officinalis R. G. Swinney 2009-8-25 11496 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR129412  Mentzelia laevicaulis A. C. Sanders, Mark Elvin 2002-6-20 25251 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA440477  Mentzelia lindleyi Richard C. Barkelew 1929-4-21 s.n. Los Angeles Mulholland Hy. Comment
  RSA600064  Mentzelia micrantha Steve Boyd, Lauren Raz 1997-5-20 9819 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  SBBG113276  Mentzelia micrantha S. A. Junak with M. L. Hoefs 1997-6-4 SCa 410 Los Angeles W end of Empire Landing, rock quarry site, on E side of small cyn 36 Comment
  UCR177305  Mentzelia micrantha LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1042 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  RSA762238  Mentzelia micrantha Orlando Mistretta, Christine Mistretta 2008-5-19 3129 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
  UCR209504  Mentzelia montana R. G. Swinney 2008-6-17 9024 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UC1178620  Mentzelia ravenii Peter Kamb 1948-5-6 956 Los Angeles above Little Rock; Desert foothills of San Gabriel Mts. 975 Comment
  CHSC3704  Mentzelia veatchiana M. MacArthur 1966-4-28 1 Los Angeles San Franciscito. 304 Comment
  UC1121671  Mentzelia veatchiana A. D. Gifford 1935-4-21 611 Los Angeles 1 1/2 mi ne Manzana; Tejon Quadrangle Comment
  UCR280537  Mentzelia veatchiana R. G. Swinney 2014-4-10 16025 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
  CAS-BOT-BC435241  Mesembryanthemum crystallinum John Thomas Howell 1927-6-30 2632 Los Angeles At eastern city limits of Long Beach 30 Comment
  UCR214456  Microseris A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale, et al 2010-3-29 37635 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  RSA158255  Microseris heterocarpa P. H. Raven 1962-4-9 17144 Los Angeles Wilson Cove, San Clemente Island. 61 Comment
  UCR96329  Microseris lindleyi B. G. Pitzer 1996-4-20 2684 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  RSA469891  Microsteris gracilis subsp. gracilis L. C. Wheeler 1932-3-13 473 Los Angeles Puddingstone Dam, San Jose Hills. 305 Comment
  UCD122181  Mimulus aurantiacus Richard Bates 1949-5-8 s.n. Los Angeles Big Tujunga Canon. Comment
  VVC483  Mimulus aurantiacus P. J. MacKay 1975-4-30 s.n. Los Angeles Los Angeles Basin, On hill above health center, Cal Poly, Pomona 274 Comment
  JEPS23216  Mimulus aurantiacus var. pubescens Rimo Bacigalupi with Reino Alava 1958-7-21 6447 Los Angeles about 2 mi above Red Box Gap (along Angeles Crest National Highway (Calif. No. 2), on s-facing slope of Valley Forge Canyon, tributary of West Fork of San Gabriel River); San Gabriel Mts., Angeles National Forest 1417 Comment
  UC1063446  Mimulus aurantiacus var. pubescens Jerome S. Horton 1936-5-21 338 Los Angeles San Dimas Canyon Park San Dimas watershed Comment
  UCR280686  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-27 16674 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  UCSB41772  Mimulus aurantiacus var. pubescens Lockyer, Jim 1970-3-9 Los Angeles In a canyon off of San Dimas Road; at the northern end of Puddingstone Dam 381 Comment
  RSA0060192  Mimulus aurantiacus var. pubescens Robert M. Perkins 1935-5-4 72 Los Angeles Hendrick's Canyon. Comment
  RSA190940  Mimulus aurantiacus var. puniceus Robert F. Thorne 1967-5-20 36903 Los Angeles Santa Catalina Island. 1/3 way from Airport Rd. to mouth of Descano Canyon. 213 Comment
  SFV15553  Mimulus brevipes R. K. Stachelek 1992-5-2 30 Los Angeles Santa Monica Mountains Tapia Park, off Malibu Canyon Road. 150 Comment
  RSA650614  Mimulus cardinalis R. S. Woglum 1937-7-17 832 Los Angeles Soldier Creek, North Fork San Gabriel River Canyon. Comment
  RSA0057894  Mimulus floribundus Richard G. Swinney 2010-9-7 13689 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA0110536  Mimulus floribundus R. G. Swinney 2010-6-1 13136 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
  RSA682711  Mimulus floribundus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1048 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 519 Comment
  RSA779876  Mimulus floribundus R. G. Swinney 2009-4-3 10277 Los Angeles Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  UCR219896  Mimulus floribundus R. G. Swinney, Jane Strong 2009-4-21 10428 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UC1971320  Mimulus guttatus Louis C. Wheeler 1967-5-23 9671 Los Angeles SAN GABRIEL MOUNTAINS: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA442763  Mimulus guttatus Geo. L. Moxley 1915-5-31 333 Los Angeles Falls of Santa Anita Canyon. Comment
  SEINET8216183  Mimulus guttatus G. R. Campbell 1948-5-13 585 Los Angeles San Dimas Canyon, just below fire station. Comment
  UCR204845  Mimulus johnstonii R. G. Swinney 2005-8-11 8440 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCD122679  Mimulus microphyllus John Ingrum 1997-4-8 20 Los Angeles Santa Monica Mountains, Mulholland Hwy. east of Las Virgenes Rd. (mile marker 24.51). On the north side of Mulholland. Comment
  RSA0014593  Mimulus parishii Orlando Mistretta, Christine Mistretta 2011-6-17 5707 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy 1087 Comment
  UCR277003  Mimulus pilosus R. G. Swinney 2010-9-30 13909 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
  SEINET3159701  Mimulus puniceus G. B. Grant 1904-4-24 285 Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC467195  Minuartia Geo. B. Grant 1905-4-20 6488 Los Angeles Garvamza Comment
  RSA642422  Minuartia douglasii Orlando Mistretta 1995-6-23 1832 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1981 Comment
  RSA632861  Minuartia nuttallii subsp. gracilis R. F. Thorne, Robert Frampton 1971-6-27 40981 Los Angeles San Gabriel Mountains: Angeles National Forest, West Baldy Peak. 3013 Comment
  UCR223081  Mirabilis laevis R. G. Swinney 2009-5-13 10774 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  CAS-BOT-BC434625  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19258 Los Angeles Lone Hill, near San Dimas Comment
  CAS-BOT-BC434650  Mirabilis laevis var. crassifolia Timothy S. Ross; J. Mark Porter 1995-5-4 8475 Los Angeles Liebre Mountains. Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  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
  LA82408  Mirabilis laevis var. crassifolia O. H. Kappler; 1941-3-8 99 Los Angeles Santa Monica Mountains, Sequit Canyon, along Mulholland Hwy 121 Comment
  RSA0016137  Monardella australis Louis C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek of Big Tujunga, below Charlton Flat; future dam site. Comment
  UCD145370  Monardella breweri subsp. lanceolata Louis C. Wheeler 1947-7-11 6545 Los Angeles San Gabriel Mountains: Millard Canyon. Between Millard Canyon and Arroyo Seco. 441 Comment
  UCR192658  Monardella cinerea R. G. Swinney 1999-8-9 7615 Los Angeles San Gabriel Mtns., along Bear Canyon Trail c. 1 mi south of West Baldy peak of Mt. San Antonio 2756 Comment
  RSA83413  Monardella macrantha subsp. macrantha F. W. Peirson 183 Los Angeles Santa Anita Trail to West Fork north of Divide at about 4000 ft. 1220 Comment
  RSA0058207  Morus alba Richard G. Swinney 2010-6-23 13376 A Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA608227  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin Park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. Comment
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Aug 13 2014
  RSA593588  Muhlenbergia asperifolia Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8836 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA0087049  Muhlenbergia californica R. G. Swinney 2010-9-9 13790 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR182490  Muhlenbergia californica R. G. Swinney 1997-7-22 5695 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA580868  Muhlenbergia microsperma L. C. Wheeler 1932-3-12 463 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  SBBG128784  Muhlenbergia microsperma M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1786 Los Angeles N of Rd between Emerald Bay and Parsons Landing 121 Comment
  SEINET2473433 Image available Muhlenbergia microsperma Richard G. Swinney 2009-1 10279 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 180 Comment
  UCD86844  Muhlenbergia microsperma F. W. Peirson 1927-3-20 7118 Los Angeles south of Malibu Lake. Comment
  UCR152465  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  RSA0087110  Muhlenbergia microsperma Steven A. Junak 2001-5-5 SCa- 1516 Los Angeles Santa Catalina Island. N side of Middle Ranch Canyon. 432 Comment
  RSA0070094  Muilla maritima Mitch Provance 2010-5-4 0510 -42 Los Angeles ridgeline overlooking Hwy I-5 about 0.4 miles NE of Gorman. 1430 Comment
  RSA755835  Muilla maritima R. G. Swinney 2008-6-17 9039 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  SD260867  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  SEINET3887502  Muilla maritima Keith Dobry 1991-5-14 537 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  CAS-BOT-BC515100  Muilla maritima C. F. Baker 1901-4-20 4759 Los Angeles Claremont Comment
  SEINET3154246  Muilla serotina G. B. Grant 1905-4-20 803 Los Angeles Pasadena Comment
  SBBG13253  Munzothamnus blairii M. A. Piehl 1962-6-10 62398 Los Angeles hanging on vertical cliff of cyn E of Thirst 304 Comment
  UC1215172  Munzothamnus blairii Peter H. Raven 1962-5-10 17717 Los Angeles just n Thirst; San Clemente Island 198 Comment
  SD124876  Myoporum laetum A. C. Sanders 1986-7-30 6819 Los Angeles El Segundo Dunes, immediately west of L. A. International Airport and Pershing Dr., east of Vista Del Mar Blvd. 29 Comment
  RSA0046854  Myrica californica Anstruther Davidson 1892-08 s.n. Los Angeles Canyon, Santa Monica. Comment
  RSA725083  Nama demissa var. demissa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -97 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  UCR99509  Narcissus papyraceus Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9127 Los Angeles Liebre Mtns., Along Old Ridge Route north of Templin Hwy and west of the confluence of Castaic Creek and Fish Creek 957 Comment
  SBBG132165  Nassella cernua S. A. Junak, B. Collins 1991-4-24 SCI 162 Los Angeles upper part of Eel Point grade 198 Comment
  RSA151276  Nassella lepida P. H. Raven 1962-4-9 17171 Los Angeles San Clemente Island. Wilson Cove. 61 Comment
  RSA3523  Nassella lepida C. B. Wolf 1932-5-9 3466 Los Angeles Santa Catalina Island, small hill at junction of Skyline Drive & Pebbly Beach road. 30 Comment
  UC219294  Nassella lepida P. A. Munz and R. D. Harwood 1920-4-21 3704 Los Angeles steep hillside in burned-over area San Dimas Canyon 457 Comment
  POM292719  Nassella pulchra Lyman Benson 1949-4-29 13603 Los Angeles Hill 3 miles SW of Pomona 305 Comment
  RSA725593  Nassella pulchra Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 413 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road 356 Comment
  CAS-BOT-BC60404  Nasturtium officinale Peter H. Raven; Henry J. Thompson 1959-10-14 14632 Los Angeles Santa Monica Mountains. East end of Malibu Lake. 220 Comment
  CATA3051  Nasturtium officinale Amy Catalano 2016-3-25 063 Los Angeles Santa Catalina Island: Fern Canyon, about 0.6 miles up canyon, in drainage bottom 174 Comment
  RSA0048217  Nasturtium officinale T. Fahsholtz 1965-5-16 s.n. Los Angeles 4 miles from Highway 99, off Lake Hughes Rd. 609 Comment
  RSA550402  Nasturtium officinale Timothy S. Ross, Peter Fritsch 1990-6-20 3597 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near the confluence of E and W forks of the San Gabriel River. Stream bottom to slopes. 445 Comment
  RSA114444  Navarretia atractyloides E. K. Balls 1955-6-23 20792 Los Angeles native to Botanical Garden site, Claremont 335 Comment
  RSA0004846  Navarretia atractyloides var. flavida F. W. Peirson 1921-6-20 2444 Los Angeles North Fork of San Gabriel River 457 Comment
  SBBG117011  Navarretia hamata subsp. leptantha S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1526 Los Angeles E of Little Harbor, near Sheep Chute Ridge Rd, ca. 0.4 mi from jct with Little Harbor Rd, overlooking Campo Blanco Cyn 97 Comment
  UCR280400  Navarretia hamata subsp. leptantha Jeremiah George, Eric Kline 2017-4-17 417- 09 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  RSA674853  Nemacladus ramosissimus Scott D. White, Kent Hughes 2000-5-17 7872 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  POM9406  Nemacladus ramosissimus P. A. Munz 1920-4-29 3797 Los Angeles San Dimas Canyon. 457 Comment
  UCR223786  Nemacladus sigmoideus R. G. Swinney 2009-5-28 10955 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  SEINET10906109  Nemacladus sigmoideus Thorne 1973-5-11 THORNE 43469 Los Angeles San Gabriel Mts., Mojave Desert Slope: 0.25-0.50 mile north of Bob's Gap, north slope of Holcomb Ridge, ca 2.5 miles due south of Llano 1158 Comment
  UCR48865  Nemophila menziesii Steve Morgan 1974-5-17 147 Los Angeles San Gabriel Mtns., 8.9 mi east of Big Tujunga Canyon Road, on dirt road 300 yards north of Monte Cristo Ranger Station 976 Comment
  RSA607224  Nemophila menziesii var. integrifolia Louis C. Wheeler 1968-5-31 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon. 1128 Comment
  UC131457  Nemophila menziesii var. integrifolia C. F. Baker 1904-4-22 4183 Los Angeles Monrovia Comment
  RSA626981  Nemophila menziesii var. integrifolia Louis C. Wheeler 1967-5-15 9588 Los Angeles San Gabriel Mountains: East side Elsmere Canyon, near mouth. 457 Comment
  RSA247113  Nemophila menziesii var. menziesii Gary D. Wallace 1966-3-12 130 Los Angeles San Gabriel Mountains; north of Arcadia; Chantry Flats, up Santa Anita Canyon. 610 Comment
  LA210901  Nemophila menziesii var. menziesii Arthur C. Gibson; Barry A. Prigge 2009-3-11 5389 Los Angeles HOLLYWOOD HILLS, Along service road in central Griffith Park. Comment
  RSA0114946  Nemophila spatulata R. G. Swinney 2011-6-15 15183 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA497531  Nicotiana bigelovii Walter Wisura 1989-7-14 4411 Los Angeles Growing naturally at RSA. Comment
  UC625744  Nicotiana glauca Annie M. Alexander 1939-6-26 851 Los Angeles Mint Canyon Comment
  UCR210504  Nicotiana glauca R. G. Swinney 2008-11-30 9891 Los Angeles San Gabriel Mtns., Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  LA51854  Nicotiana glauca A. M. Johnson; 1928-2-16 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UCR205882  Nicotiana quadrivalvis A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37083 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
  SEINET10696844  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3978 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10917759  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3944 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CAS-BOT-BC167055  Oenothera californica Paul F. Covel 1938-4-19 1194 Los Angeles Near Lancaster, NE L. Angeles Co. Comment
  CHSC22127  Oenothera deltoides Robert A. Schlising 1972-6-1 3041 Los Angeles 1.0 mi SW of jct hwy N2 and Spunkey Canyon Road, along latter. Comment
  POM213104  Oenothera deltoides subsp. deltoides P. A. Munz 1935-4-3 13646 Los Angeles Mojave Desert; 25 miles NW of Adelanto. 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
  UCR256546  Oenothera elata subsp. hirsutissima Anuja Parikh, Nathan Gale 2011-6-16 3474 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.5 km west of Angeles Forest Hwy, 0.1 km south of Aliso Canyon Road 1095 Comment
  UC1007146  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13989 Los Angeles Claremont Comment
  UCR222802  Opuntia littoralis R. G. Swinney 2009-5-9 10706 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  UCSB27036  Orobanche cooperi Oliver, Lois 1964-5-15 Los Angeles Joshua Tree woodland on State Highway 138, 6.3 miles southeast of intersection of State 138 and Antelope Highway 1066 Comment
  UCR271599  Orobanche fasciculata R. G. Swinney 2011-5-19 14777 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
  RSA0081022  Orobanche fasciculata Anstruther Davidson 1906-6-7 s.n. Los Angeles Big Rock Creek. Comment
  RSA402087  Orthocarpus purpurascens Gale Sphon 1955-4-12 s.n. Los Angeles Point Dume. Comment
  JEPS2994  Osmorhiza brachypoda Frank W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco San Gabriel Mountains 609 Comment
  RSA458984  Osmorhiza brachypoda Fay A. MacFadden 1931-3-31 s.n. Los Angeles Tuna Canyon Verdugo Hills Comment
  UCSB11396  Oxalis corniculata Wisehart, Karen 1962-4-16 Los Angeles 6917 Oak Park Ave., Van Nuys Comment
  RSA674508  Oxalis pes-caprae LeRoy Gross 2003-2-22 733 Los Angeles South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  UCSB3553  Oxalis pes-caprae Gill, Robert 1959-2-27 Los Angeles Pomona College campus, Claremont 365 Comment
  UCR114734  Oxalis purpurea A. C. Sanders 1988-2-18 7690 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  SD39351  Oxalis rubra Edith A. Purer 1931-3-1 1008 Los Angeles Open Field. Comment
  UCR107772  Oxytheca luteola Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10150 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  UCR94682  Oxytheca luteola A. C. Sanders, E. J. Lott 1993-5-6 13947 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  UCR191296  Oxytheca parishii R. G. Swinney 1998-7-2 6267 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
  CHSC95787  Packera ionophylla LeRoy Gross; Michael Denslow 2003-6-4 987 Los Angeles Transverse Ranges: San Gabriel Mountains region: Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed spring. UTM zone: 3802412N, 0421876E. 1935 Comment
  RSA717029  Paeonia californica Gary Kovnat, LeRoy Gross 2003-2-16 23 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA656176  Paeonia californica Joseph M. Keefe 1978-5-11 22901 Los Angeles Verdugo Mountains: 0.5 km north of DeBell Golf Course, foothills of Verdugo Mountains, Burbank. 457 Comment
  CATA253  Papaver heterophyllum Mark L. Hoefs, A. Douglas Propst 1973-5-4 253 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  RSA150908  Parapholis incurva P. H. Raven 1962-4-11 17276 Los Angeles Sandy beach behind Northwest Harbor, San Clemente Island 6 Comment
  UC572688  Parapholis incurva Nell Murbarger April, 1936 175 Los Angeles s end San Clemente Island; s end San Clemente Island Comment
  LA33792  Parietaria hespera Peter H. Raven; 1959-5-9 14168 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 259 Comment
  SBBG112785  Parietaria hespera var. californica S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 520 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  UC1870193  Parietaria hespera var. californica LeRoy Gross, Valerie Soza 2001-6-6 432 Los Angeles Los Angeles Basin: Verdugo Mountains Region: north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  UCR210271  Parietaria judaica A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37181 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, along Stanford Ave. between 111th Place and end at drainage ditch 34 Comment
  SEINET6731103  Parietaria obtusa E. Braunton 1902-5-25 345 Los Angeles Redondo Comment
  RSA593559  Paspalum dilatatum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8918 B Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  UCD88737  Paspalum dilatatum Charles F. Hewitt 1975-3-13 LASCA 1046 Los Angeles nursery area, Los Angeles State and County Arboretum, Arcadia. Comment
  SEINET3152883  Pectocarya anisocarpa G. B. Grant 1906-4-18 913 Los Angeles Pasadena Comment
  RSA682622  Pectocarya linearis Scott D. White, Michael Honer 2003-5-7 9210 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  POM368763  Pectocarya linearis subsp. ferocula B. C. Templeton 1930-4-8 1014 Los Angeles San Francisquito Canyon 600 Comment
  OBI2907  Pectocarya penicillata Lewis S. Rose 1968-4-5 68015 Los Angeles Acton, Mojave Desert 823 Comment
  RSA756886  Pectocarya penicillata Orlando Mistretta, Christine Mistretta 2008-4-8 2388 -a Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  JEPS68245  Pectocarya setosa W. L. Jepson 1939-4-21 19239 Los Angeles sandy flats near Yucca Grove; West Mojave Desert, Antelope Valley, Neenach School 914 Comment
  UCR192591  Pectocarya setosa A. C. Sanders 2008-4-10 34815 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
  JEPS10348  Pedicularis densiflora Frank W. Peirson 1921-4-21 2363 Los Angeles Sycamore Flat Ridge, n slope- San Dimas Region Sycamore Flat Ridge; San Dimas Region, San Gabriel Mountains 853 Comment
  SD237624  Pedicularis semibarbata R. G. Swinney 2008-7-24 9283 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  UCR209470  Pedicularis semibarbata R. G. Swinney 2008-7-3 9160 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  SD82880  Pedicularis semibarbata Robert F. Thorne, M. Z. Thorne 1969-7-9 38547 Los Angeles San Gabriel Mts., Angeles National Forest: summit of Table Mt. above Big Pines Ranger Station 2133 Comment
  SEINET12182593  Pelargonium quercifolium E. B. Babcock 1904-1 s.n. Los Angeles Los Angeles, Reese Nursery Comment
  RSA686716  Pellaea andromedifolia T. R. Pray 1960-3-20 1652 Los Angeles Bouquet Canyon Comment
  SEINET3153879  Pellaea andromedifolia G. B. Grant 918 Los Angeles Mt. Wilson, S Cal. Comment
  RSA590922  Pellaea mucronata var. mucronata Orlando Mistretta 1994-4-12 1012 Los Angeles Little Rock creek. Slopes E of Little Rock reservoir. 1006 Comment
  NY583818  Penstemon centranthifolius F. W. Pennell 1940-6-25 26007 Los Angeles Mount Wilson 1676.4 Comment
  OBI2655  Penstemon centranthifolius Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs Mill Crk Cyn, San Gabriel Mts 1219 Comment
  CAS-BOT-BC6646  Penstemon grinnellii Fordyce Grinnell 1903-6-6 s.n. Los Angeles Mt. Wilson Comment
  RSA408043  Penstemon grinnellii subsp. grinnellii G. R. Johnstone 1930-6-26 14664 Los Angeles Pine Flats. 1677 Comment
  UCR270212  Penstemon grinnellii subsp. grinnellii R. G. Swinney 2011-7-7 15439 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  NY601183  Penstemon grinnellii var. grinnellii F. W. Pennell 1940-6-24 25998 Los Angeles Pine Mountain, south of Swartout 2468.9 Comment
  JEPS4474  Penstemon labrosus Rimo Bacigalupi 1952-8-9 3904 Los Angeles summit of Blue Ridge above and sw of Wrightwood and Swarthout Valley (near Guffey Public Camp, in the San Gabriel Range); San Gabriel Range, Angeles National Forest 2438 Comment
  UC1971162  Penstemon palmeri Louis C. Wheeler 1973-5-5 Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. Comment
  SEINET12320817  Penstemon spectabilis T. P. Spira 1976-1 59 Los Angeles ca 1 mi E of Las Virgenes Road, off of Mulholland Hwy Associates 152 Comment
  UCR270965  Penstemon spectabilis var. subviscosus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14320 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  LA94216  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1859 Los Angeles SANTA MONICA MOUNTAINS, Franklin Canyon, ca 2 mi S of Mulholland Dr. 243 Comment
  UCSB62230  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa monica Mtns., Calabasas Rd., ca. 1 1/2 mi. w. of Calabasas, ravine so. of the road 304 Comment
  UCSB62245  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-9-4 Los Angeles San Gabriel Mtns., Fish Fork of the East Fork of the San Gabriel River, ca. 1 mi. downstream from upper Fish Fork Camp 1584 Comment
  LA33623  Peritoma arborea Peter H. Raven; 1959-3-15 13845 Los Angeles Santa Monica Mountains, Zuma Canyon, just E of Zuma Beach 21 Comment
  OBI28040  Peritoma arborea David J. Keil, Dirk Walters 1977-4-30 12276 Los Angeles On S side of rte 138 in vicinity of jctn with Los Angeles Co. rd N-2, across hwy from Quail Rservoir 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
  LA200252  Perityle emoryi Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4617 Los Angeles Santa Monica Mountains, Sequit Point, above point Comment
  RSA150832  Perityle emoryi P. H. Raven 1962-5-9 17658 Los Angeles San Clemente Island, along road just north of Guds. 250 Comment
  RSA423796  Petunia parviflora Anstruther Davidson 1921-7-1 3440 Los Angeles Playa del Rey. Comment
  UCR19651  Phacelia brachyloba H. J. Thompson 1960-5-14 3060 Los Angeles Western Transverse Range; Santa Monica Mtns., 1 mi. east of Saddle Peak 732 Comment
  POM123377  Phacelia cicutaria var. hispida Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA427638  Phacelia cicutaria var. hispida H. L. Bauer 1932-5-10 15365 Los Angeles Topango, Santa Monica Mts. Comment
  UC1375391  Phacelia cicutaria var. hispida Gary D. Cromwell and David W. Wheat 1971-4-21 526 Los Angeles 2 mi ne Glendora (ridge crest on w side of canyon); Angeles National Forest, San Gabriel Canyon, Mystic Canyon 487 Comment
  RSA348940  Phacelia curvipes Robert F. Thorne 1963-5-15 31676 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs 1220 Comment
  RSA426228  Phacelia distans T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills. Comment
  UCR229170  Phacelia distans Dan S. Cooper 2011-3-21 311- 29 Los Angeles Western Transverse Range; Santa Monica Mtns., Cahuenga Pass near Lakeridge Drive and 101 Fwy, Griffith Park 244 Comment
  JEPS2329  Phacelia douglasii W. L. Jepson 1935-4-17 17049 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 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
  POM307119  Phacelia egena Henry J. Ramsey 1937-6-24 2051 Los Angeles Big Pines, Palmdale Road. Comment
  UC1563055  Phacelia fremontii Steve Boyd and Orlando Mistretta 1986-3-31 1555 Los Angeles Hwy 138 4 mi e jct w/ Hwy 18 (ne of Pinyon Hills); Mojave Desert Comment
  UCR138845  Phacelia fremontii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Watkins Creek 1463 Comment
  RSA498204  Phacelia grandiflora D. A. Reynolds 1979-5-4 s.n. Los Angeles Seminole Hot Springs. 280 Comment
  RSA191161  Phacelia longipes Robert F. Thorne 1967-7-19 37199 Los Angeles Angeles National Forest: Above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1951 Comment
  UCR258773  Phacelia longipes R. G. Swinney 2010-6-23 13346 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA187964  Phacelia lyonii Robert F. Thorne 1966-4-7 35981 a Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  CHSC26341  Phacelia minor Emese M. Sajo 1966-4-9 25 Los Angeles Big Tujunga Canyon, 3 miles east of Tujunga in the San Gabriel Mountains. 762 Comment
  RSA703623  Phacelia minor Tim Thibault, Ryan Gilmore 2004-4-29 241 Los Angeles Dry Lake Canyon, between tunnels W of Mt. Baldy Road 974 Comment
  UCR271822  Phacelia minor R. G. Swinney 2010-4-28 12402 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA652870  Phacelia minor Ron Martinolich 1991-4-7 9 Los Angeles Los Angeles, Griffith Park, off of Griffith Park Drive, 0.3 miles west of Zoo Drive at dirt parkig area. South-east on fire road about 0.25 miles, on north side, 10 feet off road. In old slump above fire road. Comment
  SEINET3245956  Phacelia mohavensis R. G. Swinney 2009-1 10895 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  UC1375388  Phacelia mohavensis Robert F. Thorne 1969-7-2 38281 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest (bottom of shallow arroyo) Comment
  UC1174700  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  RSA0021292  Phacelia ramosissima Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5087 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CHSC99447  Phacelia ramosissima var. latifolia LeRoy Gross; M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1061 Los Angeles Transverse Ranges: Verdugo Mountains region: South side of mountains; West side of Brand Canyon just a short distance above the cemetery. UTM Zone 11: 3783548N 0382545E. 307 Comment
  UC284698  Phacelia ramosissima var. latifolia I. Johnston 1917-5-6 1945 Los Angeles mouth San Antonio Canyon (dry wash) Comment
  CAS-BOT-BC258854  Phalaris aquatica David B. Weissman 1971-6-15 30 Los Angeles Santa Catalina Island. 1.7 miles west of Cactus Peak along the road 304 Comment
  SD90634  Phalaris lemmonii Robert F. Thorne 1966-4-17 36090 Los Angeles San Clemente Island; near reservoirs between Boulder & Horton, NE side of the island 487 Comment
  UC407310  Phalaris lemmonii LeRoy Abrams 1903-4-9 3234 Los Angeles Inglewood Comment
  UCR274113  Phalaris paradoxa Steven A. Junak 1999-5-8 SCa- 907 Los Angeles California Islands, Santa Catalina Island, west side of Fern Canyon, in Cottonwood Canyon drainage, along abandoned road 122 Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA595422  Pholistoma auritum Mark Hoefs, Robert F. Thorne 1996-4-6 2645 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  SBBG94238  Pholistoma auritum R. Moran 1941-3-1 663 Los Angeles Arrow Pt 200 Comment
  UCR88706  Pholistoma auritum Scott D. White, Chet McGaugh 1995-5-9 3009 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  CATA2025  Pholistoma auritum Steven A. Junak, Keri Kirkland 1998-4-5 552 Los Angeles Santa Catalina Island: Toyon Bay, just inland from mouth of canyon 36 Comment
  SD75487  Pholistoma auritum var. auritum M. B. Dunkle 1939-4-3 7238 Los Angeles San Clemente Island, Chenette Canyon, on a grassy bank Comment
  UC1426002  Pholistoma membranaceum Robert F. Thorne and C. W. Tilforth 1973-4-20 43005 Los Angeles 1 mi. n. Bob's Gap (3.2 mi. s. of Llano, n. slope of Holcomb Ridge); Mojave Desert slope, San Gabriel Mts., Holcomb Ridge 1143 Comment
  SBBG18721  Pholistoma racemosum E. R. Blakley 1963-4-9 5559 Los Angeles Santa Catalina Island 15 Comment
  SBBG78973  Pholistoma racemosum W. A. Wright 1931-3-6 Los Angeles Santa Catalina Island Comment
  RSA420763  Phoradendron californicum L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  UCR87438  Phoradendron densum R. G. Swinney 1994-6-12 2942 Los Angeles North Slope of Eastern San Gabriel Mtns, Pinon Hills, near entrance to Jubilee Scout Ranch, 2 mi south of Hwy 138 and just west of the San Bernardino Co. line, c. 200 m west of Boneyard Canyon 1341 Comment
  RSA575203  Phoradendron pauciflorum Vanessa Ashworth, Nigel Boyle 1994-11-5 78 Los Angeles SE-facing slope on penultimate road sepentine before reaching Mt. Baldy ski lift. Comment
  SD69723  Phyllospadix torreyi Robert F. Thorne 1966-5-31 36442 Los Angeles Santa Catalina Island; beach, on N side of Little Harbor in shallow water Comment
  UCR142892  Physalis lancifolia L. C. Wheeler 1932-7-19 965 Los Angeles San Gabriel Valley, 2 miles north of Claremont 412 Comment
  UC26208  Physalis philadelphica J. Burtt Davy Oct 1896 2841 Los Angeles Pomona Comment
  CAS-BOT-BC207272  Pickeringia montana var. montana Louis C. Wheeler 1936-6-8 4127 Los Angeles Bell-San Dimas Canyon divide, San Gabriel Mts. 960 Comment
  RSA0062532  Pinus jeffreyi R. G. Swinney 2010-9-21 13847 Los Angeles summit of Mt. Hawkins, at north end of Copter Ridge 2683 Comment
  RSA169040  Pinus jeffreyi Mark Parratt 1964-2-6 602 Los Angeles Table Mountain, Table Mountain Campground area; N-facing slope 3 miles north of Big Pines Ranger Station, Angeles National Forest 2195 Comment
  RSA605906  Pinus monophylla L. C. Wheeler 1968-11-10 s.n. Los Angeles San Gabriel Mountains: East fork Alder Creek. 1509 Comment
  RSA628322  Pinus monophylla L. C. Wheeler 1970-7-24 s.n. Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area; Pinyon Ridge; Pinyon Trail. 1768 Comment
  RSA384450  Pinus ponderosa Ora M. Clark 1928-12-8 1365 Los Angeles San Gabriel Mountains, Middle elevations Comment
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Mar 27 2014
  RSA714298  Pinus thunbergiana A. C. Sanders 1987-12-4 7450 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  POM96951  Piperia cooperi Philip A. Munz 1925-4-23 9417 Los Angeles San Gabriel Canyon 305 Comment
  RSA672215  Piptatherum miliaceum Joseph M. Keefe 2001-1-19 30921 Los Angeles 15 meters north of begninging of the Eagle Rock Park path along east side of Sholl Canyon Road opposite of driveway to 7685 Sholl Canyon Road, 100 meters north of Figueroa Street, Eagle Rock. 90041., North: 34 deg 08' 40.4'', West: 118 deg 11' 02.0' 284 Comment
  RSA0080160  Pistacia atlantica Orlando Mistretta 1994-7-20 1443 Los Angeles San Gabriel Mtns: Big Rock Creek. South Fork Campground, east side of camp. Comment
  UCR98768  Pityrogramma triangularis Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA611838  Plagiobothrys arizonicus Steve Boyd, Valerie Soza 1998-4-28 10174 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  UCD120761  Plagiobothrys arizonicus Daryl Koutnik; Bruce Holguin 1978-4-1 206 Los Angeles Sierra Pelona Valley, west side of Anthony Road, north of Sierra Hwy. 890 Comment
  UCR149971  Plagiobothrys arizonicus Scott D. White 2004-5-5 10306 Los Angeles Transverse Range; Liebre Mountains, Bald Mountain area, west of Old Ridge Route 1341 Comment
  UCR173883  Plagiobothrys arizonicus Scott D. White, Michael Honer 2004-3-30 9962 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  IRVC28375  Plagiobothrys canescens A. C. Sanders, Tricia Wotipka 2003-4-28 26103 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA0023298  Plagiobothrys canescens R. F. Thorne 1980-4-25 54127 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  UC1250447  Plagiobothrys collinus Isabelle Tavares and Valera Brinson 1962-4-16 262 Los Angeles 3 mi s Bouquet Canyon Guard Station (Bouquet Canyon road) Comment
  UC729796  Plantago coronopus Carl B. Wolf 1932-5-11 Los Angeles w side Isthmus Harbor; Santa Catalina Island 15 Comment
  POM6750  Plantago erecta P. A. Munz, Street, Williams 1919-3-8 2299 Los Angeles Pomona. Comment
  SBBG98666  Plantago erecta T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5208 Los Angeles 1300 ft NNW of Guds (888') marker 240 Comment
  UCR127219  Plantago erecta A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26285 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  RSA678135  Plantago indica Valerie L. Soza, Monica Acosta 2001-6-28 1305 Los Angeles Arroyo Seco near confluence with El Prieto Canyon, alongside FS Road 2N70. 366 Comment
  JEPS7125  Plantago lanceolata Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  RSA669339  Plantago lanceolata LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 563 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  RSA626224  Plantago major Louis C. Wheeler 1966-10-1 8947 Los Angeles San Gabriel Mountains; Colby Ranch. Comment
  JEPS26181  Plantago major Peter H. Raven and Henry J. Thompson 1959-9-6 14397 Los Angeles near mouth of Malibu Creek (along Malibu Creek); Santa Monica Mountains, Malibu Creek 12 Comment
  RSA402020C  Plantago ovata var. insularis Blanche Trask 1901-03 s.n. Los Angeles Avalon, Catalina Island. Comment
  UCD124556  Plantago ovata var. insularis Robert F. Thorne; Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36731 Los Angeles Santa Catalina Island; Salta Verde, approximately N of Salta Verde Point. 243 Comment
  RSA748885  Platanthera sparsiflora Richard G. Swinney 2001-8-11 8042 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA0089425  Platanus racemosa R. G. Swinney 2011-3-17 14110 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA526472  Platanus racemosa Tim S. Ross 1991-3-24 4306 Los Angeles Whittier Hills . Lower Turnbull Canyon along riparian strip dominated by Salix lasiolepis and Toxicodendron diversilobum. 171 Comment
  RSA771585  Platystemon californicus R. G. Swinney 2009-5-5 10650 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing. 963 Comment
  RSA0051677  Plectritis eichleriana Lee Haines 1954-4-20 s.n. Los Angeles Simi HIlls. 609 Comment
  CAS-BOT-BC356129  Pluchea odorata John Thomas Howell 1927-10-29 3182 Los Angeles Near Alamitos Bay 15 Comment
  UCR223559  Poa secunda R. G. Swinney 2009-6-2 10983 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA262054  Polygonum argyrocoleon Reid V. Moran, R. M. Baeuchamp, T. Oberbauer 1975-8-25 22702 Los Angeles NW end of San Clemente Island. 5 Comment
  UCR213576  Polygonum aviculare A. C. Sanders, Dan S. Cooper 2010-4-30 38161 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA94055  Polypodium californicum Lawrence L. Kiefer; 1966-3-6 1646 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from canyon mouth. 152 Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  SD253315  Polypodium californicum R. G. Swinney 2011-3-26 14218 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Canyon (Glendora 7.5'Q) 476 Comment
  UCR219568  Polypodium californicum R. G. Swinney 2009-3-28 10203 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  SBBG12995  Polypogon interruptus E. R. Blakley 1962-10-5 5454 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA600145  Polypogon monspeliensis Steve Boyd, Lauren Raz 1997-5-6 9737 A Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA177766  Polypogon viridis R. F. Thorne, Percy C. Everett 1965-5-10 34436 -A Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  RSA385505  Polypogon viridis Robert Gustafson 1981-4-29 2212 Los Angeles Ballona Wetlands, Area 2. Comment
  CAS-BOT-BC72260  Polystichum imbricans subsp. curtum Geo. B. Grant 1901-7-27 4475 Los Angeles Sturtevant Camp Comment
  UC380924  Polystichum imbricans subsp. curtum Marcus E. Jones 1882-2-27 3032 Los Angeles Pasdena Comment
  CHSC95515  Populus balsamifera subsp. trichocarpa LeRoy Gross; Valerie Soza 2003-5-15 919 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789207N, 0377280E. 366 Comment
  LA52079  Populus trichocarpa A. M. Johnson; 1932-5-30 4099 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  RSA0036063  Populus trichocarpa I. M. Johnston 1917-3-7 1447 Los Angeles Upper San Antonio Canon [Canyon] 2286 Comment
  UC1260171  Potamogeton pectinatus Robert F. Thorne and D. Propst 1974-9-10 45116 Los Angeles Big Spring Reservoir; Santa Catalina Island 762 Comment
  UCR223725  Potentilla glandulosa R. G. Swinney 2009-6-8 11105 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
  RSA636152  Potentilla glandulosa subsp. ewanii Robert F. Thorne 1974-6-28 44755 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  RSA0014805  Proboscidea louisianica subsp. louisianica Louis C. Wheeler 1933-9-12 2111 Los Angeles Thompson Wash, 3 mi NE La Verne. 396 Comment
  UCR153684  Proboscidea lutea R. F. Thorne 1969-10-31 37869 Los Angeles San Gabriel Valley, Rancho Santa Ana Botanic Garden [Claremont] 366 Comment
  CAS-BOT-BC154942  Prunus ilicifolia Steven M. Kaune 1962-6-13 382 Los Angeles Ca. 15-20 miles south of Tejon Pass on route toward Castaic off Hwy. 99, just south and above Oso Canyon, sw end of Tehachapi Mts. 914 Comment
  UC535380  Prunus ilicifolia Ira W. Clokey, B. Templeton 1929-5-1 4482 Los Angeles Mandeville Canyon, Santa Monica Mountains Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 250 Comment
  RSA199026  Prunus ilicifolia subsp. ilicifolia W. M. Gauntt 1966-4-16 156 Los Angeles Junction of Glendora Mountain Road and San Gabriel Canyon Road. 915 Comment
  RSA453245  Prunus ilicifolia subsp. ilicifolia Thekla Mohr 1911-07 s.n. Los Angeles Eaton's Canyon. Comment
  RSA624982  Prunus ilicifolia subsp. ilicifolia Louis C. Wheeler 1963-6-25 8263 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  SD48944  Prunus ilicifolia subsp. lyonii Reid Moran 1958-9-16 6844 Los Angeles 2 miles SE of Eel Point, San Clemente Island, canyonside 149 Comment
  RSA151249  Prunus lyonii Peter H. Raven 1962-7-10 17972 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island. Comment
  UC1714460  Pseudognaphalium Ernest Braunton 1839-1 Los Angeles Los Angeles Comment
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Feb 27 2020
  CAS-BOT-BC356373  Pseudognaphalium beneolens I. M. Johnston 1918-9-3 2146 Los Angeles Brea Canon [Canyon], Puente Hills 396 Comment
  CAS-BOT-BC356414  Pseudognaphalium beneolens Geo. B. Grant 1901-1-1 s.n. Los Angeles From Pasadena Comment
  CAS-BOT-BC356418  Pseudognaphalium beneolens Clyde Ellis 1940-9-1 s.n. Los Angeles Mojave Desert, Palmdale Comment
  RSA0105009  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 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
  RSA669714  Pseudognaphalium biolettii LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 500 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. Slope on west side of Chandler Canyon. 449 Comment
  SEINET4044521 Image available Pseudognaphalium biolettii D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 350 Comment
  UCR205205  Pseudognaphalium biolettii R. G. Swinney 2008-4-30 8702 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR272970  Pseudognaphalium biolettii R. G. Swinney 2011-4-26 14517 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC356713  Pseudognaphalium californicum Tim Ross 1992-6-15 6576 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): S-draining tributary of Turnbull Canyon 304 Comment
  UC625150  Pseudognaphalium californicum F. R. Fosberg 1931-4-2 S 4449 Los Angeles Camp Frost Santa Catalina Island 300 Comment
  UCR256147  Pseudognaphalium californicum R. G. Swinney 2010-4-20 12309 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  CATA1865  Pseudognaphalium luteoalbum Denise Kraus, Lisa Stratton 2000-6-1 45 Los Angeles Santa Catalina Island: Goat Harbor burn area, northwest corner 152 Comment
  RSA0115265  Pseudognaphalium stramineum Richard G. Swinney 2010-6-8 13229 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  UC896861  Pseudognaphalium stramineum F. R. Fosberg 1931-3-23 S 4338 Los Angeles talus on n wall of Hamilton Canyon Santa Catalina Island, Hamilton Canyon 15 Comment
  RSA251396  Psilocarphus brevissimus R. F. Thorne 1966-4-17 36087 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  UC586870  Pterospora andromedea Joseph Andorfer Ewan 1934-8-9 8413 Los Angeles Mount Williamson San Gabriel Mts. (near summit) 2438 Comment
  RSA592285  Purshia tridentata var. glandulosa Louis C. Wheeler 1967-5-12 9418 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA649654  Purshia tridentata var. glandulosa Michael Horn 1991-4-30 8 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
  JEPS19277  Pycnanthemum californicum F. W. Peirson 1918-6-18 184 Los Angeles s Valyermo (vicinity of Devils Punch Bowl, watershed of Big Rock Creek, San Gabriel Mountains); San Gabriel Mts, Big Rock Creek watershed, Devils Punch Bowl 1219 Comment
  UC2042130  Pycnanthemum californicum Orlando Mistretta 1990-8-8 s. n. Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Cienega Comment
  SFV6232  Quercus agrifolia R. M. Muran 1974-2-2 6 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  UCR271072  Quercus agrifolia var. agrifolia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14355 Los Angeles San Gabriel Mountains, Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 427 Comment
  CHSC96050  Quercus berberidifolia LeRoy Gross 2000-11-12 330 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir. Near road, area cleared for fire safety. 411 Comment
  RSA594977  Quercus berberidifolia Tim S. Ross 1995-4-7 8369 Los Angeles Old Ridge Route': 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
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Jul 11 2016
  RSA655359  Quercus berberidifolia LeRoy Gross 2000-11-4 319 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 366 Comment
  SFV20735  Quercus chrysolepis J. N. Hogue 2006-8-20 281 .1 Los Angeles San Gabriel Mountains Angeles Crest Christian Camp. 1850 Comment
  UCD40442  Quercus chrysolepis Rodney Gale Myatt 1970-9-16 570 -14 Los Angeles Along Baldy Mt. Road, at wash next to powerhouse. Near Los Angeles County line, north of Pomona. 1380 Comment
  UCR9305  Quercus chrysolepis Ted Hanes 1966-10-13 s.n. Los Angeles San Gabriel Mtns., 8 mi. west of Lake Hughes on Sawmill Mtn. Truck Trail. 1341 Comment
  RSA0116267  Quercus douglasii A. C. Sanders 2006-4-14 32062 Los Angeles Transverse Range; Liebre Mtns. Region: 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 960 Comment
  RSA573413  Quercus durata var. gabrielensis Louis C. Wheeler 1931-11-13 357 Los Angeles Mouth of Liveoak Canyon 409 Comment
  RSA754140  Quercus durata var. gabrielensis Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1826 Los Angeles San Gabriel River main stem across from Morris Dam, CS1, north side of parking lot 406 Comment
  RSA802349  Quercus durata var. gabrielensis Orlando Mistretta, Cher Batchelor 2011-7-26 5984 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  SFV21081  Quercus durata var. gabrielensis L. Gross 2000-10-28 306 Los Angeles Verdugo Mountains Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon where Grandview Ave. and Mountain Street meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). West-facing side of ridge above reservoir. 610 Comment
  RSA758706  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-4-19 2506 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
  CAS-BOT-BC6356  Quercus engelmannii Joseph Andorfer Ewan 1934-12-27 8487 Los Angeles 2 mi. above A.T.&S.F. tracks at mouth of Sawpit Canyon (i.e., Monrovia C.), San Gabriel Mts. 228 Comment
  CAS-BOT-BC94183  Quercus engelmannii Annetta Carter 1940-1-11 1489 a Los Angeles ridge NE of head of Baldwin Avenue, Sierra Madre, foothills of San Gabriel Mountains 335 Comment
  RSA611103  Quercus engelmannii Louis C. Wheeler 1936-1-19 4070 Los Angeles South slope San Gabriel Mountains, just above Pottinger Sanitarium. 305 Comment
  UC847939  Quercus engelmannii L. W. Nuttall 1920-5-7 149 Los Angeles Santa Catalina Island Comment
  SEINET9033996  Quercus engelmannii G. B. Grant 1904-5-5 1086 Los Angeles Collected at Pasadena, So. Cal. Comment
  UCD46261  Quercus john-tuckeri Daryl Koutnik; Bruce Holguin 1978-4-1 215 Los Angeles Scattered shrub on east-facing slope. West side of Sierra Hwy and 1 mile north of State Hwy 14. 987 Comment
  SBBG105551  Quercus kelloggii T. Ross, S. Boyd 1994-9-21 8297 Los Angeles vicinity of West Summit; Liebre Mtn Comment
  UC1871098  Quercus kelloggii T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3871 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  IRVC28737  Quercus lobata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25564 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  POM20906  Quercus lobata Fordyce Grinnell Jr. 1917-9-12 s.n. Los Angeles Pasadena. Comment
  CATA1010  Quercus pacifica Mark L. Hoefs 1994-7-18 1894 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  UCD170538  Quercus palmeri D. O. Burge 2017-5-5 2269 Los Angeles Bard Lake area. 375 Comment
  SEINET6066719  Quercus wislizeni Unknown 1996-10-29 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA600130  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1997-5-28 9852 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  CHSC98113  Rafinesquia californica LeRoy Gross; Bill Hogshead, Valerie Soza 2003-5-29 952 Los Angeles Transverse Ranges: Verdugo Mountains region: West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon 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 Motorway) Basically a triangle. 564 Comment
  UCR261128  Rafinesquia californica R. G. Swinney 2010-6-21 13295 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  CDA8525  Rafinesquia californica T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Highland Drive & Flintridge, near La Canada. 0 Comment
  UC827654  Ranunculus californicus I. W. Clokey and E. G. Anderson 1935-5-9 6947 Los Angeles Pomona Hills 400 Comment
  SBBG71865  Ranunculus hebecarpus R. Hoffmann 1925-5-19 Los Angeles Bouquet Cyn Comment
  UC535511  Ranunculus hebecarpus Ira W. Clokey, B. Templeton Apr. 1929 4429 Los Angeles Mandeville Canyon Santa Monica Mountains (n slope) 300 Comment
  POM199552  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-06 4586 Los Angeles Mandeville Canyon. 200 Comment
  POM199682  Rhamnus californica I. W. Clokey, Bonnie C. Templeton 1929-04 4442 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  RSA755840  Rhamnus californica R. G. Swinney 2008-7-2 9109 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
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Sep 21 2010
  RSA774053  Rhamnus californica R. G. Swinney 2009-6-12 11123 Los Angeles Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  UCR223544  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  POM307841  Rhamnus californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1938-6-11 2733 Los Angeles Eaton Canyon Park. Comment
  UC61102  Rhamnus californica subsp. californica Ernest Braunton 1903-5-27 359 Los Angeles Sherman Comment
  POM296035  Rhamnus crocea Unspecified 1945-3-30 11652 Los Angeles Canyon at Padua Hills above Claremont. Pacific Slope drainage area, North slope. 549 Comment
  RSA754352  Rhamnus crocea Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1853 Los Angeles San Gabriel River Watershed; Webb Canyon Road, next to road. 434 Comment
  CAS-BOT-BC55999  Rhamnus ilicifolia A. D. E. Elmer 1902-6-1 3649 Los Angeles Saugus Comment
  LA52136  Rhamnus ilicifolia Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles 219 Comment
  POM224200  Rhamnus ilicifolia Annetta Carter 1935-9-8 956 Los Angeles Sierra Madre. 381 Comment
  RSA390834  Rhamnus ilicifolia E. Crow 1928-10-21 6 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA598864  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1997-3-21 9241 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  UC1871263  Rhamnus ilicifolia T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3870 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UCD112345  Rhamnus ilicifolia Kenneth A. Wilson 1961-3-10 952 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, ca. 1/4 mile west of Topanga Canyon Road. Comment
  SEINET13946339 Image available Rhamnus ilicifolia Peter H. Raven, Henry J. Thompson 1959-1 13911 Los Angeles Santa Monica Mountains. 34 deg. N, 118-119 deg. W. Las Flores Canyon 3.8 mi N of Coast Highway. Elev 1800 ft 549 Comment
  RSA167835  Rhamnus pirifolia Robert F. Thorne, Percy C. Everett 1964-2-7 33471 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  SD69634  Rhamnus pirifolia Rober F. Thorne, P. Everett 1965-5-10 34474 Los Angeles Near Echo Lake, Santa Catalina Island 427 Comment
  UC1587573  Rhus Tim Ross 1991-9-2 5938 Los Angeles near Mulholland Highway (Yerba Buena Road, Triunfo Pass USGS 7.5'); Santa Monica Mountains 541 Comment
  SFV16670  Rhus aromatica P. Wilson, J. M. Albert 1996-6-12 3448 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  CAS-BOT-BC170474  Rhus integrifolia Reid Moran 1941-2-18 582 Los Angeles Steep canyon side, Middle Ranch Canyon, San Clemente Island Comment
  JEPS66263  Rhus ovata Frank W. Peirson 1918-5-19 106 Los Angeles Millards Canyon 1036 Comment
  RSA0022366  Rhus ovata Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5120 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA0092461  Rhus ovata R. G. Swinney 2011-11-3 15994 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  RSA535894  Rhus ovata T. S. Ross 1991-9-2 5938 Los Angeles near Mulholland Hwy at Yerba Buena Rd. 541 Comment
  RSA746965  Rhus ovata R. G. Swinney 2008-4-1 8603 Los Angeles ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  SBBG71090  Rhus ovata F. R. Fosberg 1932-5-7 8152 Los Angeles Grand Cyn upper falls 150 Comment
  UCR178424  Rhus ovata Brenda Bird, Gene Nardone 1993-4-18 s.n. Los Angeles Transverse Range; San Gabriel Mtns, Whitney Canyon Ranch off San Fernando Road in Newhall 488 Comment
  RSA76940  Rhus trilobata F. W. Peirson 1919-5-10 418 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  CAS-BOT-BC92286  Ribes amarum Ellsworth Bethel 1920-6-29 s.n. Los Angeles Orchard Camp. Mount Wilson trail. Comment
  CAS-BOT-BC92292  Ribes amarum Timothy S. Ross 1992-4-21 6234 Los Angeles San Gabriel Mountains. Fallen Leaf Spring. Draining northward to Cow Canyon. 1341 Comment
  POM141740  Ribes amarum Arthur C. Gibson, Linda Gibson 1971-3-27 1742 Los Angeles Evey Canyon, NE of Claremont. Comment
  RSA549572  Ribes amarum Tim S. Ross 1991-3-10 4209 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  RSA0068457  Ribes aureum R. G. Swinney 2010-3-18 11984 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
  LA201959  Ribes aureum var. gracillimum Arthur C. Gibson; 2004-3-17 5012 b Los Angeles Santa Monica Mountains, Franklin Canyon, above main parking lot above reservoir Comment
  SFV14769  Ribes aureum var. gracillimum J. C. Dittes 1990-2-16 22 Los Angeles San Fernando Valley Big Tujunga Wash, southeast side, alongside of Sheldon Street in disturbed area 0.5 miles west of 118 Freeway. Comment
  SFV1607  Ribes aureum var. gracillimum K. A. Wilson 1961-3-11 978 Los Angeles San Gabriel Mountains Placerita Canyon Road. Wash 3 miles east of Placerita Canyon State Park. 410 Comment
  RSA679142  Ribes californicum var. hesperium Valerie L. Soza, Bill Hogshead 2002-5-10 1462 a Los Angeles Along Upper Monroe Road, approximately 6.1 km NNW of Glendora Mountain Road, upper Venedo Canyon 854 Comment
  RSA0008284  Ribes divaricatum var. parishii Alice Jane Merritt 1893-03 1834 Los Angeles Riviera. Comment
  CAS-BOT-BC27148  Ribes grantii George Bernard Grant 1904-5-17 s.n. Los Angeles Mt. Wilson Comment
  CAS-BOT-BC173099  Ribes indecorum John Thomas Howell 1929-3-2 4100 Los Angeles Rocky soil of San Gabriel Wash, 2 miles s. of Azusa Comment
  CAS-BOT-BC173120  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Creek Dam near Claremont 502 Comment
  POM6581  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa. Comment
  SFV1614  Ribes indecorum C. Gasser 1956-3-9 s. n. Los Angeles Santa Monica Mountains Malibu Canyon Road, roadside 4.5 miles from Highway 101 180 Comment
  SEINET6070601  Ribes indecorum Unknown 1946-12-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA0021113  Ribes lasianthum J. C. Roos 1937-5-31 10 Los Angeles Big Pines, near Jackson Lake. Comment
  CAS-BOT-BC173400  Ribes malvaceum Wesley O. Griesel 1986-3-6 s.n. Los Angeles San Gabriel Mountains: Las Pinetos Spring area 914 Comment
  LA82097  Ribes malvaceum var. viridifolium O. H. Kappler; 1941-2-9 84 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA579520  Ribes roezlii Tim S. Ross, Steve D. Boyd 1994-6-23 8063 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. 1463 Comment
  RSA0021016  Ribes roezlii var. roezlii Duncan S. Bell, Caitlin Elam 2013-7-11 5363 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA522978  Ribes speciosum Tim S. Ross 1991-2-23 4082 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Cyn Rd & Skyline Drive. 210 Comment
  RSA652588  Ribes speciosum G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 549 Comment
  RSA640986  Ribes viburnifolium Robert F. Thorne 1977-3-22 45760 Los Angeles Santa Catalina Island: ENE slope of Blackjack Mine. 457 Comment
  RSA480747  Ricinus communis Floy Stanley 1928-4-22 s.n Los Angeles Monrovia. Comment
  SFV12548  Rorippa curvisiliqua M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 862 Los Angeles San Fernando Valley Big Tujunga Wash,, on mud flats just behind Hansen Dam. 305 Comment
  POM272652  Rorippa gambelii George B. Grant 1904-7-8 6316 Los Angeles Cienega Comment
  CAS-BOT-BC147482  Rosa californica June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island, Middle Ranch Comment
  UC1595437  Rosa californica Tim Ross 1992-7-10 6673 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  UC1188264  Rosa nutkana var. nutkana E. K. Balls 1960-10-20 24304 Los Angeles Ranch Santa Ana Botanic Garden Claremont Comment
  UCR124694  Rosa woodsii subsp. gratissima B. C. Templeton 1932-6-18 4944 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
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May 17 2017
  RSA606037  Rubus discolor Louis C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: Big Santa Anita Canyon. 579 Comment
  RSA366405  Rubus parviflorus L. E. Hoffman 1928-8-17 s.n. Los Angeles Buckhorn, Angeles National Forest 2165 Comment
  UCR125185  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  CAS-BOT-BC421878  Rumex acetosella Geo. B. Grant No date on label s.n. Los Angeles Pasadena Comment
  LA52269  Rumex acetosella Louis Wheeler; 1932-5-4 682 Los Angeles Santa Monica Mountains, Westwood, near UCLA campus 121 Comment
  CATA1858  Rumex conglomeratus Denise Kraus, Lisa Stratton 2000-6-1 39 Los Angeles Santa Catalina Island: Goat Harbor burn area, northwest corner. Within drainage heading towards Empire Landing Road near convergence of 4 drainages 228 Comment
  UCR204830  Rumex conglomeratus R. G. Swinney 2005-8-11 8467 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SFV22126  Rumex crispus V. Soza, L. Gross 2001-5-9 1189 Los Angeles San Rafael Hills South of Scholl Canyon, Sleepy Hollow Drive to Valley Vista fire road. North-northwest-facing slope alongside fire road. 274 Comment
  UCD101161  Rumex crispus Louis C. Wheeler 1967-6-26 9899 Los Angeles San Gabriel Mountains, Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 487 Comment
  UC6948  Rumex hymenosepalus J. Burtt Davy May 9 1896-May 24 1896 2567 Los Angeles Llano Verde Antelope Valley, West Palmdale Comment
  CAS-BOT-BC454161  Ruppia maritima Peter H. Raven; Henry J. Thompson 1959-9-6 14360 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mouth of Malibu Creek 1 Comment
  UC814315  Ruppia maritima F. R. Fosberg 1931-5-4 S 4754 Los Angeles Middle Ranch Canyon Santa Catalina Island (2nd bridge below Eagle's Nest) 140 Comment
  RSA477740  Sagina saginoides F. R. Fosberg, J. Ewan 1931-8-12 s.n. Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  UC850684  Salicornia subterminalis F. R. Fosberg 1931-5-17 S 4886 Los Angeles Little Harbor Santa Catalina Island 1 Comment
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Oct 10 2012
  RSA478881  Salicornia virginica F. H. Elmore 402 Los Angeles San Clemente Island. Comment
  RSA5885  Salicornia virginica C. B. Wolf 1932-9-16 4103 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  CAS-BOT-BC108060  Salix exigua Carl W. Sharsmith 1932-1-17 13 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  UCR276968  Salix exigua R. G. Swinney 2010-6-1 13143 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
  UC506470  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-3-15 7637 Los Angeles 4 hectometers e of Radford Dr. Los Angeles River; San Fernando Valley, Los Angeles River Comment
  UC55026  Salix exigua var. hindsiana Samuel B. Parish June 1887 1984 Los Angeles San Francisquito Canyon Comment
  UCR271551  Salix gooddingii R. G. Swinney 2011-3-18 14166 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  SBBG131140  Salix gooddingii S. A. Junak 1999-5-20 SCa 928 Los Angeles Cottonwood Cyn, at reservoir 134 Comment
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Jul 28 2016
  UCSB52078  Salix gooddingii Bishop, Richard 1967-5-13 Los Angeles Roadside 2 mi. east of Live Oak Campground on Bear Canyon Road, San Gabriel Mountains 762 Comment
  LA34159  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-9-6 14396 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  UC471647  Salix laevigata F. R. Fosberg 1931-5-6 S 4793 Los Angeles Cape Canyon Santa Catalina Isl., Cape Canyon 220 Comment
  UC846598  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4645 Los Angeles San Francisquito Canyon 800 Comment
  UCR124587  Salix laevigata B. C. Templeton, I. W. Clokey 1930-4-8 1043 Los Angeles San Gabriel Mtns, San Francisquito Canyon 900 Comment
  POM2047  Salix lasiolepis Philip A. Munz 1918-4-5 2024 Los Angeles South Hills, Pomona. Comment
  POM219773  Salix lasiolepis Carl. W. Sharsmith 1931-11-15 3 Los Angeles Foot of coastal headland near mouth of Topanga Canyon. 15 Comment
  POM362719  Salix lasiolepis M. B. Dunkle 1936-3-28 4712 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  RSA228996  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38861 Los Angeles N facing slope above Angeles Crest Hwy N and below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  RSA92640A  Salix lasiolepis F. W. Peirson 1919-3-30 720 Los Angeles Tujunga Canyon, west end of San Gabriel Mountains. 457 Comment
  UCR210416  Salsola tragus R. G. Swinney 2008-12-6 9977 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  RSA0027461  Salsola tragus April Garbat 2012-8-5 1 Los Angeles Shortcut Saddle at the large turnout where the San Gabrielino Trail crosses Highway 2, in Angeles National Forest. Near the recreation fee sign. Comment
  UCR210163  Saltugilia splendens subsp. grantii R. G. Swinney 2008-8-13 9386 Los Angeles San Gabriel Mtns., east fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd. 1805 Comment
  RSA145218  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 789 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA681958  Salvia apiana Sarah Swartzentruber, Michael Denslow, LeRoy Gross, Bill Hogshead 2003-6-17 1 Los Angeles Verdugo Mountains: The south side of the Verdugo Mountains, on the west side of Brand Canyon. Above the fire road across from the Brand Canyon debris dam. 262 Comment
  RSA724461  Salvia apiana K. Dobry 1991-6-27 d- 794 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  UCR107758  Salvia apiana Jeanne Gural, Erin Hewgley 1997-4-18 33 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. West of main road, south of lake. 412 Comment
  RSA651277  Salvia apiana Edward Kai 1970-3-19 s.n. Los Angeles Diamond Bar. 1/2 W. of Golden Springs Dr. below 2000 ft. 610 Comment
  RSA411358  Salvia carduacea Christopher Davidson 1973-4-1 1887 Los Angeles 1 mi south of Littlerock. 762 Comment
  SFV3204  Salvia carduacea M. L. Vincent 1962-5-7 241 Los Angeles Mojave Desert Llano at junction of road to Mile High. Roadside on Highway 138. 965 Comment
  RSA0094362  Salvia columbariae R. G. Swinney 2011-5-31 14904 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SBBG95203  Salvia columbariae M. B. Dunkle 1928-3-31 1774 Los Angeles Campo Blanco 182 Comment
  UCR252557  Salvia columbariae R. G. Swinney 2010-5-11 12669 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
  RSA401467B  Salvia columbariae L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  RSA401470  Salvia columbariae M. Bisbee 1917-4-20 s.n. Los Angeles Hills, north side of Eagle Rock Valley. Comment
  SFV16105  Salvia columbariae S. Mason, et al. 1995-4-23 52 Los Angeles Mojave Desert Little Rock. Mount Emma Road, 0.8 miles above Fort Tejon Road on northern foothills of Transverse Range. 915 Comment
  RSA727069  Salvia dorrii Jay Walker, R. C. Walker 3193 Los Angeles South of Little Rock, at jct of Fort Tejin road and 87th St. East. Comment
  RSA446281  Salvia dorrii var. pilosa Gale Sphon 1959-4-4 285 Los Angeles 3 miles north of Big Rock Public Camp, Big Rock Creek. Comment
  SD121493  Salvia dorrii var. pilosa Barbara Ertter, J. Strachan 1979-6-29 3007 Los Angeles North edge of Angels National Forest ca. 9.0 miles eastsoutheast of Pearblossom, 1.7 miles north of Mile High on County Highway N4. 1463 Comment
  UC25674  Salvia dorrii var. pilosa J. Burtt Davy 1896-5-19 2586 Los Angeles West Palmdale; Antelope Valley Comment
  CAS-BOT-BC233666  Salvia leucophylla L. A. Greata 1901-5-1 s.n. Los Angeles Pasadena Comment
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Feb 24 2018
  RSA531260  Salvia leucophylla Walter Wisura 1991-7-21 4520 Los Angeles Puente Hills, upper Turnbull Canyon, below Skyline Drive. Comment
  RSA596267  Salvia mellifera R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. ''Owl Flats,'' Big Dalton Canyon, 1.4 mi NE of Glendora Mtn. Road. 457 Comment
  SEINET3200285  Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  UC440434  Salvia mellifera H. Anderson 1930-5-30 Los Angeles Mandeville Canyon; Santa Monica Mountains Comment
  UCR111507  Salvia mellifera A. C. Sanders, D. Malueg 1998-6-22 22029 Los Angeles San Gabriel Mtns., La Canada, SCE Gould Substation off Hwy 2, Gould Canyon 595 Comment
  UCR153554  Salvia mellifera A. C. Sanders 2005-5-11 30184 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR213510  Salvia mellifera A. C. Sanders, Karen Kirtland 2010-5-14 38348 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA0085073  Salvia mellifera Mark Hotchkiss 1977-4-18 s.n. Los Angeles Cal Poly Campus. 259 Comment
  SEINET12315420  Salvia mellifera D. P. Reagan 1974-1 3 Los Angeles Cherry Canyon, approx. 5mi N of Castaic. LADWAP Comment
  RSA434077  Salvia spathacea Jessie Velo 1949-6-24 4220 Los Angeles Los Padres National Forest. 457 Comment
  RSA584847  Sambucus mexicana T. S. Ross 1993-6-1 7362 b Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  UC472172  Sambucus mexicana J. Ewan 1931-10-24 5275 Los Angeles 1/2 mi below Seminole Hot Springs; Santa Monica Mountains 396 Comment
  RSA0017028  Sambucus mexicana L. R. Abrams 1901-4-4 1326 Los Angeles Chatsworth Park. Comment
  SEINET12740127  Sambucus mexicana E. Adams 1978-1 Los Angeles Altadena, Eaton Canyon Dam. Comment
  RSA167642  Sanguisorba minor Peter H. Raven, Robert F. Thorne 1964-5-7 19037 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  LA32923  Sanicula arguta Martha Hilend; 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  UCR61073  Sanicula bipinnatifida R. G. Swinney 1969-4-27 391 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  POM308897  Sanicula bipinnatifida Kay H. Beach 1943-4-22 641 Los Angeles Dalton firebreak, San Dimas Experimental Forest. Comment
  RSA471443  Sanicula bipinnatifida Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  CATA1024  Sanicula crassicaulis Mark L. Hoefs 1995-5-4 1945 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  POM177953  Sanicula crassicaulis Joseph A. Ewan 1931-3-21 4064 Los Angeles Colony on moist slope under oaks at old ranch site, Los Flores Canyon. 457 Comment
  UC457331  Sanicula crassicaulis Carl Epling 1931-5-2 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  LA82388  Sanicula tuberosa O. H. Kappler; 1944-3-26 555 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC310846  Sanicula tuberosa Philip A. Munz 1925-4-23 9438 Los Angeles San Gabriel Canyon 487 Comment
  RSA0092528  Saponaria officinalis R. G. Swinney 2011-7-7 15463 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), central camp area. 1098 Comment
  UCR202739  Sarcodes sanguinea R. G. Swinney 2001-8-27 8101 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  UC1483932  Sarcodes sanguinea Gary D. Wallace 1969-6-23 821 Los Angeles 1 - 2 mi. e. Ridgecrest (along Angeles Crest Hwy. (State Hwy. 2), 200 yds. w. of a picnic ground, Angeles Nat'l Forest); San Gabriel Mts., Angeles Nat'l Forest Comment
  RSA244899  Satureja douglasii F. R. Fosberg 1931-4-28 S- 4702 Los Angeles Eagles Nest Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  SD112052  Satureja douglasii Betsy Carpenter, Linda Allen 1975-3-21 Los Angeles Santa Catalina Island, Middle Ranch Road Comment
  CAS-BOT-BC219077  Schinus molle Louis C. Wheeler 1933-1-28 1456 Los Angeles San Dimas Canyon, San Gabriel Mts. 388 Comment
  CATA608  Schismus arabicus Mark L. Hoefs 1991-4-8 1057 Los Angeles Santa Catalina Island: Upper Avalon Canyon, below Wrigley Memorial, near drainage channel 143 Comment
  RSA0080438  Schismus arabicus R. G. Swinney 2010-5-19 12787 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR190852  Schismus arabicus R. G. Swinney 1999-7-5 7531 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR270000  Schismus arabicus R. G. Swinney 2010-5-19 12787 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  LA33907  Schoenoplectus americanus Peter H. Raven; 1959-10-25 14712 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 4.1 mi N of Pacific Coast Hwy along Malibu Creek. 91 Comment
  POM1407  Schoenoplectus americanus I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek at Dominguez Comment
  SEINET7591454 Image available Schoenoplectus californicus Scott White 1992-1 876 Los Angeles alibu, base of Santa Monica Mountains, just N of Pacific Coast Hwy, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road 91 Comment
  RSA92163  Schoenoplectus californicus F. W. Peirson 1918-4-28 1612 Los Angeles Road east and south of El Monte. Comment
  RSA366072  Schoenoplectus maritimus Wm Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  UCR204551  Scirpus R. G. Swinney 2005-8-5 8365 Los Angeles San Gabriel Mtns, Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy 1566 Comment
  POM1414  Scirpus microcarpus Fred Cox 1916-4-23 s.n. Los Angeles San Antonio Canyon. Comment
  POM6456  Scirpus microcarpus L. T. Street, G. Williams 1919-5-10 2757 Los Angeles Near Bassett. 90 Comment
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Feb 23 2017
  SEINET3914760  Scirpus microcarpus Tim Ross, Orlando Mistretta; Carolyn Neal 1994-7-1 8083 Los Angeles San Gabriel Mountains: Sheep Camp Spring, 3341/4 and 520 m NNW of Pacifico Mtn summit, at the headwaters of Santiago Canyon.; 0 1920 Comment
  UCR271318  Scirpus microcarpus R. G. Swinney 2011-5-12 14696 Los Angeles San Gabriel Mountains, Aliso Canyon Creek, 50-100 m west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy, west of mouth of Cabin Canyon Creek 1183 Comment
  RSA0116794  Scrophularia californica R. G. Swinney 2010-5-25 12932 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR271830  Scutellaria siphocampyloides R. G. Swinney 2011-6-23 15298 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  LA52365  Scutellaria tuberosa Martha Hilend; 1930-4-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  LA81991  Scutellaria tuberosa O. H. Kappler; 1944-5-7 605 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  POM4103  Scutellaria tuberosa C. F. Baker 1903-5-2 4756 Los Angeles Hills near Claremont. Comment
  UCR256531  Sedum spathulifolium Anuja Parikh, Nathan Gale 2011-7-19 3568 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 6.3 km west of State Hwy 39, San Gabriel Canyon Road 595 Comment
  IRVC28572  Selaginella bigelovii A. C. Sanders, Mark Elvin 2002-6-18 25134 Los Angeles Newhall Ranch, "Sawtooth Ridge" area ca. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 NE end of Santa Susana Mtns. 366 Comment
  LA200008  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-20 1766 Los Angeles SANTA MONICA MOUNTAINS, Old Topanga Canyon, ca 3 mi from Topanga on Old Topanga Road. 304 Comment
  LA200017  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-26 1787 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Decker School Road. 304 Comment
  RSA473122  Senecio aphanactis Blanche Trask 1901-1 s.n. Los Angeles Catalina Island. Avalon. Comment
  RSA94708  Senecio astephanus F. W. Peirson 4312 Los Angeles upper part of Mt. Wilson trail (now toll road) Comment
  SEINET5782744 Image available Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo Comment
  RSA117756  Senecio flaccidus var. douglasii S. Carlquist 1958-6-2 490 Los Angeles Along the road from Highway 66 to the Botanic Garden, Claremont Comment
  UC1070176  Senecio flaccidus var. douglasii P. L. Johannsen 1934-1-25 240 Los Angeles Brown's Canyon Santa Susana Quad., Brown's Canyon Comment
  SBBG30362  Senecio lyonii R. N. Philbrick with M. L. Long 1968-2-24 B 68 -11 Los Angeles between Fourth of July and Cherry Coves Comment
  SBBG42304  Senecio lyonii M. B. Dunkle 1939-4-2 7203 Los Angeles Southeast Pt Comment
  SFV15329  Senecio vulgaris J. C. Dittes, D. Stolp 1990-3-10 43 Los Angeles San Gabriel Mountains Small, roadside gully off of Big Tujunga Canyon Road, 3.5 miles east of Angeles Forest Highway turnoff. Gully leads to reservoir. 762 Comment
  LA8985  Setaria parviflora J. A. Ewan; 1932-7-11 7470 Los Angeles Ingraham St Comment
  CATA2984  Sibara filifolia Peter J. Dixon 2015-2-25 016 Los Angeles Santa Catalina Island: Wild Boar Gully. Mid-slope population, 153 SW of gate, 26 downslope (south) of ridge. 260 Comment
  UC108855  Sidalcea neomexicana H. E. Hasse Los Angeles Santa Monica Comment
  CAS-BOT-BC384482  Silene antirrhina A. C. Sanders; Helen Kennedy 2005-4-13 29420 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC384568  Silene coniflora Dr. H. E. Hasse 1890-4-13 s.n. Los Angeles Canons near Santa Monica Comment
  CAS-BOT-BC387020  Silene gallica A. C. Sanders; Dan S. Cooper 2010-3-12 37321 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  CATA979  Silene gallica Mark L. Hoefs 1994-5-21 1848 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA477872  Silene gallica F. R. Fosberg 1931-4-15 S- 4633 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  UC57616  Silene gallica J. H. Barber 1897-4-3 119 Los Angeles Santa Monica Mts. Comment
  UCR90958  Silene gallica Scott D. White 1996-4-9 3883 Los Angeles Pacific Coast, Marina del Rey area, Ballona Creek floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd 30 Comment
  PASA1298  Silene gallica Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA477858  Silene gallica M. Campbell 1704 Los Angeles L.A. Fields Comment
  SFV21078  Silene gallica L. Gross 2001-2-17 338 Los Angeles Verdugo Mountains North side of mountains east of Hostetter Mountainway. Follow dirt road that splits east of Hostetter, parallel with 210 Freeway. This road dips down into a canyon then climbs back up and around the first ridge east facing slope. 549 Comment
  SEINET3155767  Silene laciniata G. B. Grant 1205 Los Angeles collected at Pasadena Comment
  UCSB8584  Silene laciniata subsp. laciniata Foster, R. 1937-6-2 Los Angeles Evey Canon; northeast of Claremont Comment
  POM286  Silene laciniata subsp. major M. Hitchcock 1918-7-3 9 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  RSA658693  Silene laciniata subsp. major J. S. Burns 1992-5-11 9 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest. 762 Comment
  RSA310130  Silene parishii Wayne E. Sawyer 1981-7-12 131 Los Angeles San Gabriel Mts; Angeles National Forest: 200 NE of Little Jimmy Campground 2256 Comment
  RSA596420  Silene verecunda subsp. platyota Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3357 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin). 1732 Comment
  RSA65063  Silene verecunda subsp. platyota F. W. Peirson 1919-6-14 474 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1707 Comment
  UCR159906  Silene verecunda subsp. platyota Orlando Mistretta 1993-7-17 920 05 Los Angeles San Gabriel Mtns, Bear Canyon Trail to Mt Baldy 2049 Comment
  UCR98736  Silene verecunda subsp. platyota T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3357 Los Angeles San Gabriel Mtns., Big Rock Creek Canyon: c. 120 m NW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1732 Comment
  OBI55021  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 Los Angeles Liebre Mts region: Knapp Ranch area at upper endo f Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S Liebre Mtn. T7N R17W E 1/2 SW 1/4 sec 14; 7N 17W W 1/2 SE 1/4 sec 14 939 Comment
  RSA621253  Sisymbrium altissimum L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  UCR186922  Sisymbrium altissimum A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32236 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  UCR256207  Sisymbrium altissimum R. G. Swinney 2010-5-19 12844 A Los Angeles San Gabriel Mountains, horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  SBBG71852  Sisymbrium irio S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 443 Los Angeles just inland from beach at White's Landing 3 Comment
  RSA0015826  Sisymbrium orientale Monica Rodriguez, Michelle Terrazino, Naomi Fraga 2013-7-23 2 Los Angeles Glendora Ridge Road 1288 Comment
  UCR259985  Sisymbrium orientale R. G. Swinney 2010-4-23 12329 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  SD90125  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach Comment
  UCD115666  Sisymbrium orientale Mary H. Ward 1973-3-26 157 Los Angeles Manhattan Beach. Comment
  UC205492  Sisyrinchium bellum S. B. Parish 1919-4-19 19260 Los Angeles near San Dimas; Lone Hill Comment
  UCD138821  Sisyrinchium bellum Daryl Koutnik 1978-3-24 158 Los Angeles west side of Decker Road, south of Carlisle Road. 487 Comment
  CSUSB34  Sisyrinchium bellum S. Catsiff 1965-4-17 Los Angeles 0.5 mile west of Topanga on Old Topanga Road, by stream. Comment
  RSA649812  Sisyrinchium bellum Matt Brooks 1988-5-7 34 Los Angeles Whittier, Dark Canyon 1.7 miles east of its confluence with Sycamore Canyon. Comment
  UCD138880  Sisyrinchium bellum Louis C. Wheeler 1967-6-26 9912 Los Angeles San Gabriel Mountains, Placerita Canyon , 0.25 mile east of highway. 457 Comment
  POM187773  Solanum americanum Thomas Craig 1933-10-9 2009 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  SBBG133003  Solanum americanum S. A. Junak 1996-4-12 SCI 298 Los Angeles NE end of island, along E side of Skink Alley Rd, in swale N of Peak 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  UC1929597  Solanum americanum Steve Boyd, Mark Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles Transverse Ranges; Liebre Mountains region; southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  UCR205680  Solanum americanum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36929 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  LA32373  Solanum douglasii Peter H. Raven; 1959-4-4 13961 Los Angeles SANTA MONICA MOUNTAINS, just E of Zuma Beach. Comment
  RSA187929  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island. Margin of deep gully, Hay Press area. 427 Comment
  SBBG31454  Solanum douglasii R. F. Thorne 1966-4-5 35863 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SBBG70608  Solanum douglasii M. N. Ackley -Oct-1925 974 Los Angeles Verdugo Wash, Glendale 243 Comment
  UCR256151  Solanum douglasii R. G. Swinney 2010-4-20 12313 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA422434  Solanum douglasii J. R. Swanson 1963-02 743 Los Angeles 0.5 mi. N of San Fernando Mission Blvd. on Balboa Blvd. San Fernando Valley. Roadside. Comment
  RSA533999  Solanum douglasii Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5124 Los Angeles San Clemente Island, eastern escarpment, 1400 ft. SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon. 145 Comment
  CDA8334  Solanum lanceolatum Ornsburn 2008-5-29 PDR# 1353883 Los Angeles Sylmar, 13734 Algeant Ave., 0 Comment
  RSA0053865  Solanum umbelliferum R. G. Swinney 2010-4-28 12440 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA0092559  Solanum umbelliferum Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14327 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
  NY820708  Solanum wallacei C. B. Wolf 1941-6-25 10891 Los Angeles Santa Catalina Island. About 1 mi. NE. of the Wrigley Mausoleum at head of Avalon Valley 122 Comment
  NY820382  Solanum xanti L. Abrams 1908-6-20 380 Los Angeles Liebre Mountains 1463 Comment
  RSA785745  Solanum xanti Carrie A. Herd 1982-4-9 73 Los Angeles San Gabriel River West Fork; 3/4 mi. W. of Hwy 39, 50 ft. above water Comment
  SEINET3162625  Solanum xanti G. B. Grant 1218 Los Angeles Mt. Love 1524 Comment
  SEINET5624719  Solanum xanti var. intermedium I. W. Clokey, E. G. Anderson 1935-5-9 6878 Los Angeles San Dimas Canyon Comment
  RSA473621  Solidago californica L. E. Hoffman 1927-7-10 s.n. Los Angeles Swartout [Swarthout]. Comment
  RSA608593  Solidago californica L. C. Wheeler 1931-6-21 S 19 Los Angeles Liveoak [Live Oak] Canyon, San Gabriel Mts. 609 Comment
  CAS-BOT-BC365313  Solidago confinis Louis C. Wheeler 1966-10-1 8951 Los Angeles San Gabriel Mountains; Colby Ranch 1097 Comment
  RSA605018  Solidago confinis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  CAS-BOT-BC365033  Solidago velutina subsp. californica Ernest Braunton 1903-9-1 905 Los Angeles Glendale to Burbank Comment
  UCR277386  Solidago velutina subsp. californica R. G. Swinney 2011-10-13 15779 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA599517  Sonchus asper Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9470 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
  LA32095  Sonchus asper subsp. asper Peter H. Raven; 1959-10-25 14700 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  JEPS30414  Sonchus oleraceus Donald Kyhos 1959-1-4 59 -1 Los Angeles Whittier Comment
  UCR210215  Sonchus oleraceus R. G. Swinney 2008-10-22 9668 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  UCR271058  Sonchus oleraceus R. G. Swinney 2011-6-6 15001 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA699877  Spartium junceum LeRoy Gross 2004-3-19 1209 Los Angeles San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. Near 34.18091N, 118.21176W. 502 Comment
  RSA478016  Spergularia macrotheca M. B. Dunkle 1928-4-11 1853 Los Angeles Near Isthmus, Santa Catalina Island. 5 Comment
  RSA0098220  Spergularia macrotheca Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-28 797 -1 Los Angeles San Clemente Island. Terrace above China Point, S end of island. Comment
  CAS-BOT-BC390330  Spergularia macrotheca var. macrotheca Edgar A. Mearns 1894-6-25 4079 Los Angeles San Clemente Island Comment
  SBBG77776  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-5-22 54969 Los Angeles Isthmus Harbor Comment
  CDA3440  Spergularia rubra Phillipson 1915-4-2 Los Angeles South Santa Anita. Comment
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Jan 17 2015
  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
  CATA1494  Spergularia villosa Mark L. Hoefs, Steven A. Junak 1996-5-1 2701 Los Angeles Santa Catalina Island: Road to Lone Tree, past Upper Road to Avalon Canyon 463 Comment
  RSA446606  Stachys albens Thekla Mohr 1915-1 3256 Los Angeles North Fork, San Gabriel River. Comment
  SBBG70296  Stanleya pinnata var. pinnata M. N. Ackley 1927-5-8 135 Los Angeles Little Rock foothills 914 Comment
  CAS-BOT-BC374815  Stebbinsoseris heterocarpa H. M. Hall 1902-5-1 3262 Los Angeles Sierra Santa Monica Comment
  RSA478180  Stellaria media F. R. Fosberg 1931-4-3 S- 4469 Los Angeles Pebble [Pebbly] Beach. Santa Catalina Island. 10 Comment
  RSA527639  Stellaria media Steve Boyd, L. Arnseth 1990-4-8 4393 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC447152  Stellaria media J. Ewan 1931-2-2 4016 Los Angeles e of Montebello (Burke); Burke Comment
  UC1947577  Stephanomeria pauciflora I. M. Johnston 1917-8-24 1649 Los Angeles North of Lytle Creek San Antonio Mountains 1828 Comment
  UCR177929  Stillingia linearifolia LeRoy Gross 2001-5-27 425 Los Angeles Los Angeles Basin region, Verdugo Mountains, northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just west of mouth of McDonald Creek 305 Comment
  LA206866  Stipa cernua A. M. Johnson; 1934-3-16 4332 Los Angeles Hwy beyond Canoga Comment
  RSA0098646  Stipa cernua R. G. Swinney 2010-6-1 13131 Los Angeles San Gabriel Mountains: lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent 994 Comment
  OBI2591  Stipa coronata Larry E. Brown 1970-5-2 1796 Los Angeles Along State Rte 2, ca 5 mi from La Canada Comment
  SEINET10603833  Stipa coronata Alan A. Beetle 1942-4-18 Beetle 3086 Los Angeles Angles Crest Blvd., Rt. 2, rocky slopes of San Gabriel Mts. 914 Comment
  UC1930136  Stipa tenuissima LeRoy Gross, Pamela Conway 2008-7-26 3492 Los Angeles [Coastal Plains & Basins; San Bernardino Basin region]; Corner of Esperanza Drive and Shemiran Street. By Live Oak Park, southwest side of Live Oak Reservoir. In La Verne. Near 427 Comment
  CATA1298  Stuckenia pectinata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2388 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  SBBG119924  Stylocline gnaphaloides A. C. Sanders 2003-4-29 26175 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  UC31919  Stylocline gnaphaloides H. P. Chandler 1897-5-11 Los Angeles Claremont 365 Comment
  POM4822  Stylocline gnaphaloides G. R. Stephenson 1909-06 30 Los Angeles Claremont. Comment
  CAS-BOT-BC422971  Stylomecon heterophylla Geo. B. Grant 1902-4-1 757 Los Angeles Garvanza Comment
  LA46178  Stylomecon heterophylla Carl Epling; May 1927 sn Los Angeles Tehachapi Mountains Comment
  RSA390061  Styrax redivivus Theodore Payne 1904-05 2980 Los Angeles Glendale Hills Comment
  CLARK-A1528-5422  Suaeda californica John C. Roos 1942-9-12 1742 Los Angeles Santa Monica Comment
  CAS-BOT-BC110424  Suaeda taxifolia Alice Eastwood 1906-6-2 191 Los Angeles San Pedro. Comment
  CAS-BOT-BC110428  Suaeda taxifolia John Thomas Howell 1948-7-2 24764 Los Angeles Redondo Beach. Comment
  UCSB50566  Suaeda taxifolia Thorne, Robert 1973-4-12 Los Angeles San Clemente Island: salina at Horse Cove; S end of island 3 Comment
  SEINET5709935  Symphyotrichum Elizabeth M. Harris 1988-1 752 Los Angeles Grown at Rancho Santa Ana Botanic Gardens, Claremont.; Rancho Santa Ana Botanic Garden Comment
  UC1536865  Syntrichopappus lemmonii G. H. True 1935-3-27 172 Los Angeles 5 mi sw Palmdale 914 Comment
  UCSB4138  Tamarix gallica Wedberg, H. 1958-4-14 Los Angeles U.C.L.A. campus Comment
  SBBG106894  Taraxacum officinale M. L. Hoefs, R. F. Thorne 1996-4-6 2665 Los Angeles Old Bird Park, Avalon Cyn 103 Comment
  UC1441293  Tauschia arguta T. Reeves with S. Jordan 1975-5-18 R 2677 Los Angeles on Hwy 2, 6.8 mi n La Canada (San Gabriel Mts.); San Gabriel Mts. Comment
  LA35911  Tauschia hartwegii Peter H. Raven; 1960-4-2 14857 Los Angeles Santa Monica Mountains, Old Topanga Canyon, 0.9 mi. S of Dry Canyon road 335 Comment
  RSA729747  Tauschia parishii R. G. Swinney 1998-7-2 6253 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  SFV17591  Tauschia parishii J. N. Hogue, L. H. Hogue 1998-7-2 116 .6 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  UC21443  Tauschia parishii unknown 9 Los Angeles Mt. Wilson; Wilson's Peak Comment
  SBBG65936  Tetradymia glabrata R. Hoffmann 1931-5-4 Los Angeles N of Lancaster Comment
  UCR189744  Thalictrum fendleri R. G. Swinney 1998-7-10 6366 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  SD215448  Thysanocarpus curvipes Steve Boyd, Timothy S. Ross 1997-3-21 9195 B Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1182 Comment
  UC857550  Thysanocarpus curvipes L. R. Abrams 1927-4-30 11713 Los Angeles head of Antelope Valley Comment
  RSA0039172  Thysanocarpus desertorum Timothy S. Ross, Steve Boyd 1991-3-23 4244 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA0041682  Thysanocarpus laciniatus Steve Boyd, Walter Appleby 1993-4-22 7994 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
  RSA0057529  Thysanocarpus laciniatus B. A. Prigge 1986-3-20 6959 Los Angeles Santa Monica Mountains: Medea creek, just north of Paramount Ranch State Park. 232 Comment
  POM219994  Torilis nodosa F. R. Fosberg 1932-5-6 8123 Los Angeles Can. [Canyon] above Villa Park Avalon. Santa Catalina Island. 40 Comment
  POM2783  Toxicodendron diversilobum L. Cooper 1912-5-30 s.n. Los Angeles Claremont Comment
  UCR259604  Toxicodendron diversilobum R. G. Swinney 2010-6-8 13185 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  RSA77837  Tribulus terrestris F. W. Peirson 1918-10-1 5310 Los Angeles Vacant lot on New York Ave. Altadena. Comment
  UCR95169  Tribulus terrestris L. C. Wheeler 1945-9-20 6156 Los Angeles San Gabriel Mtns., Kinneloa ('Sycamore') Canyon, near base of mountains 366 Comment
  RSA652032  Tribulus terrestris Rudolf Schmid 1962-5-24 s.n. Los Angeles Vacan lot at Winnie Way and Santa Anita, Arcadia. Comment
  CAS-BOT-BC225137  Trichostema lanatum John Thomas Howell 1931-6-6 6666 Los Angeles 17 miles s. of Sandberg's Summit, Ridge Route Comment
  LA200616  Trichostema lanatum Harlan Lewis; 1940-2-24 1072 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  IRVC28558  Trichostema lanceolatum A. C. Sanders 2003-8-5 27111 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  POM187643  Trichostema lanceolatum Joseph A. Ewan 1931-10-11 5236 Los Angeles Santa Monica Mountains, Sepulveda Canyon Rd., north of Mullholland. Comment
  RSA447121  Trichostema lanceolatum Joseph A. Ewan 1929-8-14 3418 Los Angeles Westwood Hills. 137 Comment
  RSA233390  Trifolium depauperatum var. amplectens Robert F. Thorne 1966-4-17 36126 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA0096637  Trifolium depauperatum var. truncatum Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-5-1 SCa- 617 Los Angeles Santa Catalina Island. NE end of Patrick Reeservoir. 426 Comment
  SBBG98545  Trifolium gracilentum T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5328 Los Angeles between Box and Horse Cyns 484 Comment
  UC1971155  Trifolium gracilentum var. gracilentum Louis C. Wheeler 1973-4-21 Los Angeles Foothills of Sa Gabriel Mountains: 2 miles northeast of Vincent. Comment
  RSA0081800  Trifolium hirtum R. G. Swinney 2010-6-21 13303 Los Angeles 0.2 miles east of Wilson Canyon Saddle, jct. of Santa Clara Truck Trail and Los Pinetos Spring Trail, on south side of Truck Trail. 951 Comment
  RSA678200  Trifolium hirtum Valerie L. Soza, LeRoy Gross 2001-4-24 1176 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam 823 Comment
  UCR54038  Trifolium hirtum A. C. Sanders 1988-5-18 7822 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  SBBG108965  Trifolium microcephalum S. A. Junak 1997-4-8 SCl 794 Los Angeles between two northern forks of Wall Rock Cyn 265 Comment
  UCR209962  Trifolium monanthum R. G. Swinney 2008-7-15 9234 Los Angeles San Gabriel Mtns., Buckhorn Canyon 200 m north of Burkhart Saddle trailhead 1927 Comment
  SBBG31268  Trifolium palmeri R. F. Thorne 1966-9-15 36699 Los Angeles Middle Ranch, Middle Ranch Cyn 213 Comment
  SBBG117052  Trifolium willdenovii S. A. Junak with K. Kirkland 2001-4-14 SCa 1449 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  UCR96148  Trifolium willdenovii B. G. Pitzer 1996-4-20 2703 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  UCSB7247  Trifolium willdenovii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  POM8446  Trifolium willdenovii C. F. Baker 1904-5-6 4774 Los Angeles Hills near Pomona Comment
  UC397185  Trifolium wormskioldii I. Johnston 1917-5-13 27 F Los Angeles El Marte San Gabriel Valley floor 121 Comment
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Mar 2 2011
  RSA368937  Triglochin maritima Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte Comment
  UCR273564  Triteleia lugens R. G. Swinney 2011-6-15 15181 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA646294  Typha domingensis Orlando Mistretta 1992-7-14 s.n. Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  SBBG27724  Typha domingensis M. R. Benedict 1965-12-7 Los Angeles 0.25 mi inland from Parson's Landing on rd to Johnson's Landing 22 Comment
  RSA716805  Ulmus parvifolia A. C. Sanders 2003-3-14 25770 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
  UCR193938  Ulmus parvifolia A. C. Sanders 2008-7-10 35724 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCR209416  Ulmus pumila R. G. Swinney 2008-12-2 9919 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
  LA29177  Umbellularia californica Mary V. Hood; 1943-1-18 43 7 k Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  CLARK-A1528-600  Umbellularia californica 1968-4-18 11 Los Angeles San Gabriel Mountains 914 Comment
  CAS-BOT-BC381905  Uropappus lindleyi John Thomas Howell 1928-5-6 3779 Los Angeles On trail to Madrono [Madrono] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  SBBG14242  Uropappus lindleyi M. A. Piehl 1962-6-10 62382 Los Angeles cyn just E of Thirst 304 Comment
  SBBG32117  Uropappus lindleyi R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -309 Los Angeles Descanso Cyn 121 Comment
  UC1871139  Uropappus lindleyi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4857 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UC54053  Uropappus lindleyi L. A. Greata April 1903 307 Los Angeles Santa Monica Canyon Comment
  RSA95240  Uropappus lindleyi F. W. Peirson 1919-5-10 1467 Los Angeles Arraster Creek 915 Comment
  RSA446063  Urtica dioica subsp. holosericea Louis Greata 1900-10-28 s.n. Los Angeles Oak Knoll, Pasadena Comment
  RSA579532  Urtica dioica subsp. holosericea Tim S. Ross, Steve D. Boyd 1994-5-24 7837 Los Angeles ''Cottonwood Swamp'' Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. Liebre Mount 512 Comment
  CATA385  Urtica urens Mark L. Hoefs 1974-5-2 447 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  RSA747057  Urtica urens R. G. Swinney 2008-5-30 8880 Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  CAS-BOT-BC327070  Venegasia carpesioides LeRoy Abrams 1899-3-30 365 Los Angeles Sepulveda Canyon Comment
  HSC84055  Venegasia carpesioides David Charlton 1987-1-31 641 Los Angeles Saddle Peak 610 Comment
  LA209954  Venegasia carpesioides M. E. Jones; 1928-5-3 sn Los Angeles Santa Monica Mountains, Santa Monica Comment
  RSA230238  Veratrum californicum var. californicum Robert F. Thorne, et al. 1969-7-2 38348 Los Angeles San Gabriel Mountains, Angeles National Forest: wet, sloping meadow at Big Pines 2088 Comment
  UCR260023  Verbascum blattaria R. G. Swinney 2010-3-30 12104 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  RSA229924  Verbascum virgatum Robert F. Thorne, C. W. Tilforth 1971-6-30 40800 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  HSC21735  Verbena lasiostachys C. S. Apperson 1967-6-21 Los Angeles Cienaga Campground, 13 mi. from Castaic. Comment
  UCSB5672  Verbena lasiostachys var. lasiostachys Crum, Charles 1958-7-3 Los Angeles Crystal lake recreation area, near Los Angeles 1828 Comment
  CATA3436  Verbena lasiostachys var. scabrida Julia Parish, Olivia Reda, Jaimie Choi 2017-6-7 029 Los Angeles Santa Catalina Island: Channel side; White's Landing, drainage near Wandering Bison Trail 32 Comment
  SFV20410  Verbena tenuisecta N. Osborn 2000-5-23 25 Los Angeles San Fernando Valley West Hills. Front yard of 7136 Pomelo Drive. 275 Comment
  RSA0016910  Verbena tenuisecta Mark Hoefs 1973-5-25 307 Los Angeles Santa Catalina Island: by Botanic Garden entry gate, upper Avalon Canyon. 102 Comment
  RSA0072153  Veronica anagallis-aquatica Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  UCR220234  Veronica arvensis R. G. Swinney 2009-4-13 10320 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR143274  Veronica peregrina I. M. Johnston 1917-4-11 1018 Los Angeles Coastal Plains and Basins; Los Angeles Basin, Near Gardena, [Dominguez] Slough 12 Comment
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Oct 14 2008
  RSA426491  Veronica persica Anstruther Davidson s.n. Los Angeles [Unspecified] Comment
  RSA91311  Vicia americana Joseph A. Ewan 1930-4-10 2391 Los Angeles Canyon Mulholland Drive west of Beverly Glen, Santa Monica Mountains. Comment
  HSC46503  Vicia exigua M. B. Dunkle 1939-4-3 7232 Los Angeles Clunetti Canyon, San Clemente Island Comment
  RSA91242  Vicia ludoviciana subsp. ludoviciana F. W. Peirson 1951-4-18 2011 Los Angeles Arroyo Seco, near Pasadena Comment
  RSA397984  Vicia ludoviciana subsp. ludoviciana Anstruther Davidson 1890-06 s.n. Los Angeles Glendale. Comment
  LA99288  Vicia sativa subsp. nigra Peter H. Raven; Henry J. Thompson 1960-5-29 15428 Los Angeles Santa Monica Mountains, Mulholland Hwy near Decker Road 457 Comment
  SBBG131036  Vicia villosa subsp. varia S. A. Junak 1999-5-6 SCa 879 Los Angeles just W of Cherry Cove 60 Comment
  RSA533454  Vicia villosa var. glabrescens Tim S. Ross 1991-4-21 4544 Los Angeles Whittier Hills (Puente Hills, pro parte): ridge on N side of Turnbull Canyon. 305 Comment
  RSA0001685  Viguiera bakeriana C. F. Baker 1903-9-20 3692 Los Angeles San Antonio Canyon near Claremont. Comment
  UCR182259  Viguiera laciniata R. G. Swinney 1998-5-4 6045 Los Angeles San Gabriel Valley, Irwindale-Azusa boundary, old gravel pit immediately north of 210 Fwy 168 Comment
  LA51809  Viola pedunculata Carl Epling; March 1925 6447 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA103944  Viola pedunculata M. B. Dunkle 1929-4-6 2080 Los Angeles Santa Catalina Island. Avalon Canyon, Equestrian trail Comment
  UCR209239  Viola purpurea R. G. Swinney 2008-6-17 9058 Los Angeles San Gabriel Mountains, ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  RSA727535  Viola purpurea subsp. mohavensis R. G. Swinney 1998-5-16 6087 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA729869  Viola purpurea subsp. mohavensis R. G. Swinney 1999-5-22 7202 Los Angeles Le Montaine Canyon, c. 0.5 mi. south of Camp Junilee Rd. 1701 Comment
  POM3020  Viola purpurea subsp. quercetorum Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Bouquet Canyon [north of Saugus, Los Angeles Co.] Comment
  RSA77733  Viola purpurea subsp. quercetorum F. W. Peirson 1918-6-10 117 Los Angeles Near or slightly below Inspiration Point, Mt. Lowe 1372 Comment
  SBBG128557  Vitis girdiana M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2271 Los Angeles Cottonwood Cyn 33 Comment
  UC166715  Vitis girdiana Munson and Hopkins 1889-1 Los Angeles Los Angeles and vicinity Comment
  RSA729677  Vulpia Gary D. Wallace 1979-4-19 1700 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
  CAS-BOT-BC221647  Vulpia microstachys var. ciliata Timothy S. Ross; Steve Boyd 1994-5-4 7646 a Los Angeles Liebre Mountains. Near the headwaters of San Francisquito Canyon, ridgetop saddle 1350 m E of Grass Mtn summit on the Grass Mtn - Leona Divide Truck Trail 1237 Comment
  RSA279043  Vulpia myuros R. F. Thorne 1971-4-23 41477 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  RSA706627  Vulpia myuros Prince, N. Refulio 2002-3-25 02 -273 Los Angeles Claremont. Vacant lot behind gas station on Claremont Ave. just north of Foothill Blvd. 400 Comment
  SD254504  Vulpia myuros R. G. Swinney 2011-6-7 15067 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek. 1573 Comment
  POM296524  Vulpia myuros var. hirsuta Lyman Benson 1939-4-14 9336 Los Angeles Hermosa Beach. 15 Comment
  SDSU5312  Vulpia myuros var. hirsuta Gerald Collier 1951-4-28 M 56 Los Angeles 3634 N. Muscatel Avenue, Rosemead. Comment
  POM1227  Vulpia octoflora var. octoflora I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Mountians, Evey Canyon. 915 Comment
  CDA33710  Waltheria indica Aclan, Carranza 2011-1-13 s.n. Los Angeles Rolling Hills. 2824 San Ramon. 0 Comment
  UCR190090  Woodwardia fimbriata R. G. Swinney 1998-7-30 6597 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  RSA0113728  Woodwardia fimbriata Steven A. Junak 1999-5-21 SCa- 991 Los Angeles Santa Catalina Island. Coffee Pot Canyon, just upstream from Washingtonia & SCa-990. 427 Comment
  RSA773781  Wyethia ovata R. G. Swinney 2009-7-22 11307 Los Angeles summit of Mt. Hillyer, north of Horse Flats 1866 Comment
  RSA72644  Wyethia ovata F. W. Peirson 1929-7-1 8437 Los Angeles along small stream depression on north slope just below summit of ridge; Mt. Pacifico 2072 Comment
  NY43180  Xanthium spinosum J. B. Walker 1995-6-5 1428 Los Angeles Santa Catalina Island, just W of White's Landing 3 Comment
  RSA0034461  Xylococcus bicolor F. R. Fosberg 1931-5-21 S- 4956 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  UC1237851  Yucca brevifolia Howard J. Arnott 1955-4-16 66 Los Angeles near Nenack Comment
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Nov 25 2014
  UCR281323  Yucca brevifolia R. G. Swinney 2014-4-18 16144 Los Angeles San Gabriel Mountains, north end of Alimony Ridge, c. 50 m east of Little Rock Wash, south of Mt. Emma Rd. 957 Comment
  UC1237899  Yucca whipplei Howard J. Arnott 1955-6-20 78 Los Angeles stream bed one-fifth mi e gate to Hyon Ranch Road (entrance about 2 mi n of Foothill Boulevard) Comment
  SEINET182528  Yucca whipplei var. parishii I. W. Clokey 1935-7-1 6994 Los Angeles Pasadena Glen. 490 Comment
  POM257859A  Yucca whipplei var. whipplei I. W. Clokey 1935-7-1 6994 Los Angeles Pasadena Glen 400 Comment
  RSA0047421  Yucca whipplei var. whipplei R. G. Swinney 2010-5-4 12504 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  RSA599871  Yucca whipplei var. whipplei Steve Boyd, Lauren Raz 1997-5-6 9716 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SEINET12189288  Zauschneria latifolia M. T. Doutt 1931-1 640 Los Angeles Sierra Madre Mts., trail between Mt. Lowe & Mt. Wilson Comment
  SEINET12189292  Zauschneria latifolia J. F. Bright, Wyman, C. 1932-1 7992 Los Angeles Hollywood Comment
  RSA68679  Zigadenus brevibracteatus Frank W. Peirson 1932-4-17 8957 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. 762 Comment
  UCR281960  Zigadenus brevibracteatus R. G. Swinney 2014-4-24 16193 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment



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