Search Results — 2000 specimen records retrieved (1558 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  LA212316  Abronia maritima Paul Gripp; s.n. Los Angeles Playa del Rey. 30 Comment
  SEINET4084345  Abronia umbellata M. B. Dunkle 1939-1 7266 Los Angeles China Point, San Clemente Island. Comment
  RSA460985  Abronia umbellata Richard Arnold 1984-8-10 1024 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey) Comment
  RSA604521  Abronia umbellata Sara L. Crockett, Sheila Schueller 1997-3-20 596 Los Angeles NE corner of Ben Weston Beach, ca 100 m from Pacific Ocean 6 Comment
  SD95174  Abronia umbellata Mindy Kilpatrick 1972-5-21 29 Los Angeles El Segundo-Manhattan Beach sand dunes, 0.5-1.0 mile from ocean. Comment
  UCR255474  Acacia Dan S. Cooper 2014-6-26 614- 27 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., southeastern corner of Griffith Park, slope north of Commonwealth Nursery site, above Vista del Valle Dr. 276 Comment
  UCR258514  Acacia R. G. Swinney 2010-6-23 13313 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  OBI51903  Acamptopappus sphaerocephalus Steve Myers 1988-6-29 s.n. Los Angeles Big Rock Creek wash, 2.5 mi e of Pearblossom Comment
  JEPS42676  Acer macrophyllum Frank W. Peirson 1919-4-5 107 a Los Angeles Old Mt. Wilson trail , Old Mt. Wilson trail (San Gabriel Mountains) 685 Comment
  POM306284  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1394 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA0025738  Acer macrophyllum Duncan S. Bell 2013-7-11 5371 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA603069  Acer macrophyllum Louis C. Wheeler 1932-9-9 1363 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1098 Comment
  SEINET3195234 Image available Acer macrophyllum Leila M. Shultz 1982-5-5 6064 Los Angeles Rancho Santa Ana Botanic garden, In Claremont, S of San Gabriel Mountains. 430 Comment
  RSA0048298  Acer macrophyllum Elwood Fordham 1951-4-18 s.n. Los Angeles Topanga. 60 Comment
  SBBG128267  Achillea millefolium D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 7 Los Angeles Deer Valley Trail 4 Comment
  UCD18946  Achnatherum coronatum G. R. Simmons 26 April 19__? s.n. Los Angeles Sierra Madre, Wilson Trail. Comment
  POM484091  Achnatherum coronatum Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  UCD51171  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
  RSA228889  Achnatherum parishii R. F. Thorne 1971-8-25 41278 Los Angeles Mt. Hawkins 2698 Comment
  OBI48823  Achyrachaena mollis H. E. Hasse 1892-5-1 s.n. Los Angeles Near Santa Monica Comment
  SDSU4280  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-1-29 162 Los Angeles East side of Pyramid Cove below Marine outpost. Comment
  OBI5978  Acmispon glaber var. brevialatus Carl B. Wolf 1931-7-21 2934 Los Angeles Little Tujunga Wash, 1/2 mi above bridge on Sunland-San Fernando Rd 335 Comment
  LA52429  Acmispon glaber var. glaber Leo Boyd; 1953-3-21 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCD104233  Acmispon maritimus Kenneth A. Wilson 1961-3-1 879 Los Angeles Santa Monica Mtns. Mulholland Hwy about 1 mile west of Las Virgenes Hwy. Comment
  CATA1550  Acmispon strigosus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2806 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  SBBG91838  Acmispon strigosus S. A. Junak 1978-4-15 SCa 22 Los Angeles N side of Cherry Valley, on slopes above Boy Scout Camp 30 Comment
  SBBG101158  Acmispon strigosus T. Ross 1992-4-14 6179 Los Angeles stabilized slope above rutted Nanny Cyn drainage channel, 86 degrees S and, ca. 280 m distant from where drainage meets the sea 76 Comment
  UC35624  Acourtia microcephala J. H. Barber 1897-6-20 166 Los Angeles Santa Monica Experiment Station; Southern California Comment
  CDA3992  Adenocarpus foliolosus G. C. Fleischman Los Angeles Beside service station, Alan Avenue & Villa Street, Pasadena. Northwest corner, north side of fence. 0 Comment
  UC859039  Adenostoma fasciculatum Ezra C. Knopf 173 Los Angeles Santa Catalina Isl. Comment
  SD251789  Adenostoma fasciculatum M. B. Dunkle 1939-11-24 7347 Los Angeles San Clemente Island; Canyon head, Horse Canyon. Comment
  UCR281648  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2014-5-27 16693 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  UC1127739  Adenostoma sparsifolium P. L. Johannsen 1934-1-5 215 Los Angeles Calabasas Quad., Dry Canyon Comment
  RSA0092269  Adiantum capillus-veneris R. G. Swinney 2010-9-13 13818 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
  RSA729555  Adiantum capillus-veneris R. G. Swinney 1999-7-14 7553 Los Angeles Allison Gulch, an eastern tributary of East Fork San Gabriel River Canyon. 1012 Comment
  SBBG82791  Adiantum capillus-veneris M. Bufkin -Jun-1895 Los Angeles near Pasadena Comment
  UCR193594  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6704 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR217426  Adiantum capillus-veneris R. G. Swinney 2009-2-26 10036 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR220181  Adiantum capillus-veneris R. G. Swinney, Jane Strong 2009-4-7 10306 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  CAS-BOT-BC202626  Aesculus californica Le Roy Abrams; E. A. McGregor 1908-6-19 330 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA651725  Ageratina adenophora Paul M. Inman 1983-4-8 50883 -13 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, growing at streamside of Winter Creek at 2400' el. at the weir located directly at Hoegee's Camp. 731 Comment
  UC1586192  Agnorhiza ovata Tim Ross 1991-8-16 5830 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' Quad 1719 Comment
  SBBG66204  Agoseris grandiflora R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  UC29381  Agoseris retrorsa J. Burtt Davy May 9 1896-May 24 1896 Los Angeles Manzana Antelope Valley Comment
  RSA763745  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-5-20 3154 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 96 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1476 Comment
  UCR243020  Agrostis R. G. Swinney 2009-8-6 11515 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
  RSA286112  Agrostis stolonifera John F. Emmel 1980-8-19 754 Los Angeles San Gabriel Mountains. 0.1 air mile WSW of Big Pines Ranger Station 2091 Comment
  UCR194840  Agrostis viridis R. G. Swinney 1998-8-6 6681 Los Angeles San Gabriel Mtns., Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River 1037 Comment
  UCR205944  Ailanthus altissima A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37069 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UCR178225  Allium burlewii LeRoy Gross, Valerie Soza 2003-6-10 1017 Los Angeles Transverse Ranges; San Gabriel Mountains region, Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy 2896 Comment
  CAS-BOT-BC135895  Allium haematochiton William V. Bauld 1962-3-24 s.n. Los Angeles Sunflower Canyon, South Glendora 213 Comment
  RSA0105219  Allium lacunosum var. davisiae R. G. Swinney 2011-6-7 15041 Los Angeles San Gabriel Mountains: Chilao Flat, 0.5-0.6 miles NNW of Angeles Crest Hwy along south entrance road to Chilao Flat Campground, both sides of road. 1585 Comment
  JEPS104678  Allium monticola John L. Morrison 1937-6-17 2524 Los Angeles San Gabriel Mountains; along the trail 500 yds above junction of main trail (Mount Islip trail) and Big Cienega camp trail Comment
  SD86320  Allium praecox R. Mitchel Beauchamp, M. Douglas 1972-3-24 3243 Los Angeles In clay soil above Wilson Cove, San Clemente Island. 60 Comment
  UCR64728  Allophyllum divaricatum Jeri Hirshberg, Theo Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  RSA495619  Allophyllum gilioides subsp. gilioides S. Zona, D. Arias, Oscar Dorado, M. Hanson, Jose Luis Villasenor 1989-6-21 342 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  SBBG78925  Allophyllum glutinosum F. R. Fosberg 1931-7-14 5413 Los Angeles Hamilton Cyn 30 Comment
  CAS-BOT-BC170976  Alnus rhombifolia Henry J. Thompson 1959-2-20 1837 Los Angeles 0.5 miles above ocean, La Tuna Canyon, Santa Monica Mountains 76 Comment
  PASA65  Alnus rhombifolia Annetta Carter 1929-1-1 Los Angeles Big Santa Ana Stream bed Comment
Read comments
May 21 2015
  SEINET5783471 Image available Alnus rhombifolia Marcus E. Jones 1882-1 2864 Los Angeles Pasadena Comment
  RSA402950  Amaranthus albus F. R. Fosberg 1919-8-10 S 5621 Los Angeles Crystal Lake, Pine Flats, N. Fork San Gabriel Canyon 1600 Comment
  RSA128250  Amaranthus powellii P. H. Raven 1959-10-25 14707 Los Angeles Santa Monica Mountains, Morning View Drive 61 Comment
  POM306338  Amaranthus retroflexus Henry J. Ramsey, Henry J. Ramsey 1937-8-12 1428 Los Angeles Altadena Comment
  PASA2171  Amblyopappus pusillus Mabel B. Peirson 1922-4-7 Los Angeles San Pedro Comment
  LA200148  Ambrosia acanthicarpa John O'Leary; 1974-5-3 278 Los Angeles Santa Monica Mountains, Brown Canyon, along Beverly Glen Blvd Comment
  RSA607925  Ambrosia acanthicarpa L. C. Wheeler 1961-6-13 7878 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  SFV21086  Ambrosia acanthicarpa L. Gross, V. Soza, N. Gilbert 2000-10-18 293 Los Angeles Verdugo Mountains Hostetter Mountainway, along roadside near above coordinates. 701 Comment
  UCR240030  Ambrosia acanthicarpa R. G. Swinney 2009-11-13 11611 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  RSA416898  Ambrosia acanthicarpa Anstruther Davidson 1893-09 s.n. Los Angeles Hollywood. Comment
  UCD128864  Ambrosia acanthicarpa J. B. Perret 1921-11-22 s.n. Los Angeles San Fernando. Comment
  JEPS19922  Ambrosia chamissonis Samuel B. Parish 1891-1 Los Angeles Long Beach Comment
  CAS-BOT-BC13720  Ambrosia chamissonis George B. Grant 1901-9-1 s.n. Los Angeles Redondo Comment
  RSA9764  Ambrosia confertiflora L. C. Wheeler 1933-11-24 2276 Los Angeles Arcadia. 152 Comment
  UCSB11689  Ambrosia salsola var. salsola Forrest, Sharon 1962-5-6 Los Angeles At Pearblossom in vacant lot near west edge of town Comment
  RSA641682  Amelanchier utahensis Orlando Mistretta 1993-6-2 849 Los Angeles San Gabriel Mountains: Viscinity of Mt. Baden Powell. Near Vincent Gap, north slope of Mt. Baden Powell above Vincent Gulch. 2043 Comment
  SBBG131920  Ammannia coccinea S. A. Junak 2000-6-29 SCa 1349 Los Angeles N end of Haypress Reservoir 399 Comment
  CAS-BOT-BC180602  Amorpha californica var. californica Geo. B. Grant 1904-5-19 6239 Los Angeles Mt. Wilson 1219 Comment
  LA103429  Amsinckia intermedia Barry A. Prigge; 1986-3-20 6955 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  SBBG63531  Amsinckia intermedia R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  UC881374  Amsinckia intermedia Ira W. Clokey, B. Templeton Mar. 1929 4467 Los Angeles Mandeville Canyon; Santa Monica Mountains 200 Comment
  UCR124599  Amsinckia intermedia B. C. Templeton, I. W. Clokey 1930-4-8 1020 Los Angeles San Gabriel Mtns., San Francisquito Canyon 549 Comment
  UCR240288  Amsinckia intermedia A. C. Sanders 2006-4-11 32046 B Los Angeles Western Mojave Desert, Antelope Valley, NW of Fairmont Butte, Hwy 138 at 190th St. West 845 Comment
  RSA0089648  Amsinckia intermedia M. E. Gibson 1903-4-24 s.n. Los Angeles Near Pasadena. Comment
  RSA660457  Amsinckia intermedia Ian Thompson 1997-2-14 7 Los Angeles Cal Poly Pomona Ecological Reserve, ridge east of C-line. Comment
  SFV12031  Amsinckia intermedia D. L. Koutnik 1978-3-7 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge. Field at northeast corner of Balboa and Parthenia. 249 Comment
  LA40185  Amsinckia menziesii var. menziesii Robert G. Engman; sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  RSA0091450  Amsinckia tessellata var. tessellata Gary Kovnat, LeRoy Gross 2003-2-16 18 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SDSU9835  Anagallis arvensis D. F. Howe 1953-5-2 2273 Los Angeles Hillside S of mouth of Wain Canyon, Santa Catalina Island. Comment
  RSA592351  Ancistrocarphus filagineus L. C. Wheeler 1967-5-9 9414 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  UCR101187  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1949-1 6755 Los Angeles San Gabriel Mtns., North Fork San Gabriel River, near Bichota canyon 686 Comment
  CAS-BOT-BC400312  Anemopsis californica Alice Eastwood 1906-5-31 86 Los Angeles Country adjacent to Los Angeles. Bimini Baths Comment
  CAS-BOT-BC126777  Anthemis cotula John I. Carlson 1914-4-25 s.n. Los Angeles Avalon Catalina Isl. Comment
  UCR258919  Anthriscus caucalis R. G. Swinney 2010-5-7 12619 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  LA32247  Antirrhinum coulterianum Peter H. Raven; Henry J. Thompson 1959-5-5 14154 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  RSA0094358  Antirrhinum coulterianum R. G. Swinney 2011-5-31 14895 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
  UCSB33679  Antirrhinum coulterianum Miller, Brian 1960-7-14 Los Angeles Switzer's Inlet; San Gabriel Mountains 914 Comment
  RSA0116689  Antirrhinum kelloggii R. G. Swinney 2010-5-25 12926 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  UCR281656  Antirrhinum kelloggii R. G. Swinney 2014-5-27 16658 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
  UC557799  Antirrhinum nuttallianum subsp. subsessile Nell Murbarger May 1936 181 Los Angeles mesa summit on w slope San Clemente Island Comment
  CAS-BOT-BC176325  Aphanisma blitoides George B. Grant; Walter Wheeler 1904-4-21 s.n. Los Angeles Santa Catalina Island, Pacific Ocean, off Southern California 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
  LA200142  Apiastrum angustifolium O. H. Kappler; 1941-5-9 254 Los Angeles Santa Monica Mountains, Cold Creek 182 Comment
  UCR155695  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-4-26 29707 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
  UCSB4556  Apiastrum angustifolium Wedberg, H. 1957-6-15 Los Angeles Latigo Canyon Comment
  RSA66504  Arabis glabra F. W. Peirson 1919-4-9 390 Los Angeles Rubio Canyon. 549 Comment
  RSA588299  Arabis pulchra Orlando Mistretta 1994-4-15 1067 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UCR205279  Arabis sparsiflora var. californica Valerie Soza, Sarah J. De Groot 2003-6-11 1659 Los Angeles San Gabriel Mountains, Prairie Fork, southeast of Cabin Flat 1799 Comment
  RSA604308  Aralia californica L. C. Wheeler 1967-9-29 s.n. Los Angeles San Gabriel Mountains: Fish Canyon at Upper Clamshell Truck Trail, west side. 1250 Comment
  SEINET13711369  Araucaria bidwillii Edward Frederick Anderson, Edward Frederick Anderson 1963-1 Los Angeles Claremont, Pomona College Campus, Corner of 4Th & Harvard Ave Comment
  RSA177892  Arctostaphylos catalinae R. F. Thorne, Percy C. Everett 1965-5-11 34668 Los Angeles near road to Hay Press; Santa Catalina Island. 457 Comment
  SD45236  Arctostaphylos catalinae Reid Moran 1949-2-8 3153 Los Angeles Santa Catalina Island; canyon above White's Landing. 455 Comment
  SEINET11996218  Arctostaphylos catalinae W. Knight, Knight, I.; Wells, P. V. 1989-1 6420 Los Angeles Santa Catalina Island, near Haypress Reservoir Comment
  RSA631215  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21972 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA626693  Arctostaphylos glandulosa subsp. cushingiana Allen Massihi, Jon E. Keeley 1992-6-23 15716 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  LA105349  Arctostaphylos glandulosa subsp. glandulosa Barry A. Prigge; 1989-4-23 8429 Los Angeles Santa Susana Mountains, between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  POM47576  Arctostaphylos glandulosa subsp. mollis I. M. Johnston 1924-8-12 s.n. Los Angeles Sunset Trail, 1 1/2 miles south of Sunset Peak 1585 Comment
  RSA642684  Arctostaphylos glandulosa subsp. mollis Orlando Mistretta 1992-7-13 724 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  RSA631217  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21977 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39350  Arctostaphylos glauca S. Y. Parnay March 262 Los Angeles Mount Wilson 914 Comment
  RSA631414  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15603 Los Angeles Angeles Forest Highway, 1 km south of Hidden Springs Cafe. 850 Comment
  RSA631434  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15613 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631698  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15846 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  CAS-BOT-BC46728  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles San Gabriel Mts., Aliso Canyon to Buckhorn Flats Rd., Tie Camp summit. 1524 Comment
  RSA634750  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20610 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.3 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1705 Comment
  RSA635106  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20424 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635173  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20586 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  RSA96408  Arctostaphylos patula E. K. Balls 1954-8-4 19784 Los Angeles trail to ski lift, Baldy summit 2500 Comment
  RSA725893  Arenaria douglasii A. C. Sanders 2003-5-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. 412 Comment
  UCR101512  Arenaria macradenia var. kuschei Steve Boyd, T. S. Ross, Laura A. Moore, Valerie Soza 1997-7-8 10012 Los Angeles San Gabriel Mtns., Upper N flank of Liebre Mountain at head of Tenrock Canyon along dirt track near FS wildlife drinker site 1585 Comment
  POM342  Arenaria serpyllifolia I. M. Johnston 1918-4-25 1978 Los Angeles Claremont. 366 Comment
  RSA533950  Aristida adscensionis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5235 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA589512  Aristida adscensionis Timothy S. Ross, Gery Allan, Mark Elvin 1995-5-21 8597 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  RSA417236  Artemisia californica F. R. Fosberg 1931-7-14 S 5410 Los Angeles Santa Catalina Island. Whites Landing. 5 Comment
  SBBG109148  Artemisia californica S. A. Junak 1997-10-20 SCl 968 Los Angeles coastal slopes just S of southernmost cyn in Bryce Cyn complex Comment
  RSA94530  Artemisia californica F. W. Peirson 1918-10-16 245 Los Angeles Pacoima Canyon, west end of San Gabriel Mts. 534 Comment
  CAS-BOT-BC90333  Artemisia douglasiana Rev. J. C. Nevin 1881-1 131 Los Angeles Los Angeles Comment
  CAS-BOT-BC90346  Artemisia douglasiana Peter H. Raven 1957-9-21 11319 Los Angeles hill at n.w. end of U.C.L.A. campus, Los Angeles Comment
  LA200160  Artemisia douglasiana T. A. Geissman; 1967-9-16 TAG 91667 SY-AD Los Angeles Santa Monica Mountains, Santa Ynez Canyon, at Sunset Blvd Comment
  POM155781  Artemisia douglasiana M. B. Dunkle 1928-10-7 1998 Los Angeles Middle Ranch Canyon, Santa Catalina Island. 152 Comment
  RSA417279  Artemisia douglasiana Anstruther Davidson 1901-8-1 623 Los Angeles El Monte. Comment
  UCSB27669  Artemisia douglasiana Lavinger, S. 1975-10-26 Los Angeles At Charlton Flats Campgrounds, near camp site #21; San Gabriel Mountains 1645 Comment
  RSA94405  Artemisia douglasiana F. W. Peirson 1924-10-26 5265 Los Angeles Arroyo Seco below California Street bridge, Pasadena 198 Comment
  RSA0105982  Artemisia dracunculus R. G. Swinney 2011-7-8 15472 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  UCR193577  Artemisia dracunculus R. G. Swinney 1999-4-5 7061 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
  UCR191257  Artemisia ludoviciana R. G. Swinney 1999-7-28 7576 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  RSA417216  Artemisia ludoviciana subsp. incompta Anstruther Davidson 1897-1 2054 Los Angeles Big rock Creek 1524 Comment
  CAS-BOT-BC27535  Artemisia tridentata subsp. parishii Samuel Bonsal Parish; William Fletcher Parish 1881-11-1 1065 Los Angeles Newhall Comment
  CLARK-A1528-5600  Artemisia tridentata subsp. parishii John C. Roos 1949-11-27 4704 Los Angeles Antelope Valley 822 Comment
  SD65485  Artemisia tridentata subsp. tridentata Reid Moran 1967-7-22 14082 Los Angeles Chilao, San Gabriel Mountains. 1650 Comment
  UCR193600  Arundo donax R. G. Swinney 1999-6-28 7429 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA401380K  Asclepias californica I. M. Johnston 1917-6-20 1355 Los Angeles Baldy Lookout of USFS. 2134 Comment
  UCR209930  Asclepias eriocarpa R. G. Swinney 2008-7-15 9202 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA611396  Asclepias eriocarpa L. C. Wheeler 1931-6-4 S- 29 Los Angeles 2 mi. NE of La Verne. 381 Comment
  SBBG31249  Asclepias fascicularis R. F. Thorne 1966-4-7 35977 Los Angeles near Arrow Pt, W end of island 60 Comment
  RSA633364  Asclepias fascicularis L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains.: Devil Canyon ca. 1.5 miles above campground. Comment
  SEINET7112699  Asclepias fascicularis G. B. Grant 1904-7-8 6319 Los Angeles Cienega Comment
  RSA0104715  Asclepias vestita R. G. Swinney 2009-5-6 10652 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  CATA3424  Asparagus asparagoides Olivia Reda, Julia Parish, Jamie Choi, Tobias Nickel, Stuart Olshevski 2017-3-31 001 Los Angeles Santa Catalina Island: Middle Ranch reservoir 206 Comment
  CAS-BOT-BC68898  Aspidotis californica George B. Grant 1901-1-1 248 Los Angeles From Santa Monica Range Comment
  UCR144112  Aspidotis californica Scott D. White, Pam DeVries 2000-5-18 7895 Los Angeles San Gabriel Mtns, Southern foothills above Irwindale. Fish Creek Canyon, from the mouth of the Canyon at CalMat quarry upstream to falls 427 Comment
  POM4789  Aster greatae I. M. Johnston 1917-7-4 1427 Los Angeles Camp Baldy, San Antonio Canyon 1280 Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  CDA10317  Aster lanceolatus subsp. hesperius K. D. Pfenninger 1961-6-22 Los Angeles Southwest of main house, 5364 East Avenue G, Lancaster. 0 Comment
  RSA678869  Aster subulatus var. ligulatus Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland. 5 Comment
  UCR11593  Astragalus didymocarpus O. H. Kappler 1946-4-13 1121 Los Angeles Mojave Desert, four miles south of Palmdale 915 Comment
  UCR126633  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26050 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  JEPS54624  Astragalus didymocarpus var. didymocarpus Frank W. Peirson 1920-3-28 2102 Los Angeles Tujunga Tujunga (on low hill road crosses at foot of canyon) 457 Comment
  CAS-BOT-BC182842  Astragalus douglasii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., [Swartout] Swarthout Valley Comment
  CAS-BOT-BC182851  Astragalus douglasii Le Roy Abrams; E. A. McGregor 1908-7-5 636 Los Angeles [Swartout] Swarthout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  UC1925789  Astragalus douglasii Naomi Fraga, Sarah De Groot 2004-6-1 1234 Los Angeles Transverse Ranges; San Gabriel Mountains region: Along Lytle Creek Ridge Road (3N13). Comment
  UCR180355  Astragalus douglasii Scott D. White, Pam Devries 2006-5-9 11406 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  OBI2977  Astragalus douglasii var. douglasii Lewis S. Rose 1968-4-5 68019 Los Angeles 10 mi E of Gorman. Mojave Desert 853 Comment
  RSA90226  Astragalus douglasii var. douglasii F. W. Peirson 1918-6-16 582 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  CATA3322  Astragalus gambelianus Amy Catalano 2017-3-24 036 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, north side of road, about 150 meters up slope 201 Comment
  RSA615519  Astragalus gambelianus L. C. Wheeler 1967-5-18 9611 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  UC450959  Astragalus lentiginosus var. variabilis F. A. MacFadden Mar. 1931 2962 Los Angeles near Llano (Mohave Desert); , near Llano Comment
  RSA718027  Astragalus leucolobus R. G. Swinney 1996-5-27 4746 Los Angeles NW of Wrightwood, c. 200 m N of Hwy. 2 at Mountain High Ski Resort, east runway. 11S MJ-3E, 0N 2073 Comment
  SEINET945174  Astragalus leucopsis W. G. Spaulding 1978-1 788- 4 -3 Los Angeles Palos Verdes Peninsula, on abandoned agricultural fields. On hill exposed to the ocean. 244 Comment
  SEINET10877851  Astragalus miguelensis Meryle B. Dunkle 1939-4-5 Dunkle 7267 Los Angeles Channel Islands Biological Survey. China Point, San Clemente Island. Comment
  RSA774954  Astragalus pachypus R. G. Swinney 2009-5-6 10688 Los Angeles Carr Canyon at confluence with Little Rock Creek 909 Comment
  CAS-BOT-BC192821  Astragalus pomonensis C. F. Baker 1909-3-20 5242 Los Angeles Claremont Comment
  RSA674751  Astragalus purshii Scott D. White, Sandy Leatherman 2001-7-25 8728 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  SEINET4044530  Astragalus trichopodus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  RSA526480  Astragalus trichopodus T. S. Ross 1991-2-24 4320 Los Angeles Whittier Hills (Puente Hills, pro parte). 293 Comment
  UC454085  Astragalus trichopodus var. lonchus I. J. Condit 1908-6-27 Los Angeles Catalina Comment
  CAS-BOT-BC27613  Astragalus trichopodus var. phoxus Samuel Bonsal Parish 1887-6-1 1886 Los Angeles San Francisquito Canyon Comment
  RSA15344  Astragalus trichopodus var. phoxus C. B. Wolf 1926-04 s.n. Los Angeles Big Tujunga Wash, east of San Fernando Comment
  UC54951  Atriplex argentea var. mohavensis H. P. Chandler 1902-9-9 4013 Los Angeles roadside near Ballona Lagoon; near Ballona Lagoon Comment
  UC1234615  Atriplex californica Peter H. Raven 1962-4-9 17158 Los Angeles near barracks (Wilson Cove, San Clemente Island); San Clemente Island, Wilson Cove 60 Comment
  UCR11935  Atriplex californica P. H. Raven, H. J. Thompson 1959-6-4 14341 Los Angeles Western Transverse Range; Santa Monica Mtns., Point Dume 46 Comment
  UC1234617  Atriplex californica Peter H. Raven 1962-7-10 17951 Los Angeles near w shore San Clemente Island due w Wall 2; w shore San Clemente Island Comment
  UCR223111  Atriplex canescens R. G. Swinney 2009-5-13 10798 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  CAS-BOT-BC168281  Atriplex canescens var. canescens Ernest Braunton 1903-9-1 906 Los Angeles Glendale to Burbank Comment
  SBBG130880  Atriplex coulteri S. A. Junak 1999-5-6 SCa 891 Los Angeles just below ridgetop of island's main divide, [NW end of island] 152 Comment
  UC205289  Atriplex coulteri Katharine Brandegee Los Angeles Bixby Comment
  RSA478308  Atriplex leucophylla M. B. Dunkle 1928-4-29 1893 Los Angeles Little Harbor. 5 Comment
  SBBG98641  Atriplex leucophylla T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5088 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SBBG132209  Atriplex leucophylla S. A. Junak 1978-4-16 SCA 053 Los Angeles salt flats at E end of Catalina Harbor 1 Comment
  SBBG131640  Atriplex pacifica S. A. Junak 1999-4-23 SCa 855 Los Angeles S side of island, saddle on ridgetop, below Triangulation Point "Granite" 341 Comment
  SBBG14236  Atriplex pacifica M. A. Piehl 1962-6-9 62339 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  CLARK-A1528-2502  Atriplex rosea Alfred R. Roos 1948-8-21 Los Angeles Long Beach Comment
  POM660  Atriplex rosea Anstruther Davidson 1917-10 s.n. Los Angeles Streets. Comment
  UCR125244  Atriplex rosea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25515 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UCR165238  Avena barbata A. C. Sanders, Helen Kennedy 2005-4-13 29480 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA534155  Avena fatua Timothy S. Ross 1991-5-17 5052 Los Angeles San Clemente Island: flats SE of air terminal (New airfield, N end of island). 64 Comment
  RSA599967  Avena fatua L. C. Wheeler 1968-3-21 s.n. Los Angeles Glendora Ridge Truck Trail. 610 Comment
  RSA599356  Avena sativa L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; Brown School for Girls, vicinity of stables. 335 Comment
  RSA650455  Avena sativa Burgess Spring 1948-4-2 s.n. Los Angeles 1 mile East of San Dimas. 274 Comment
  RSA599028  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles Santa Susana/San Gabriel Mountains: Newhall Creek, 0.2 mi. east of Fremont Pass Comment
  RSA615860  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  SFV3738  Baccharis pilularis M. L. Vincent 1963-11-22 470 Los Angeles Santa Monica Mountains New Topanga Canyon Road, 2 miles north of the turnoff to Old Topanga Canyon Road. Roadside. Comment
  RSA350395  Baccharis pilularis F. R. Fosberg 1930-10-18 4111 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  SD79016  Baccharis pilularis subsp. consanguinea R. Mitchel Beauchamp 1967-6-2 545 Los Angeles San Clemente Island; on extreme southern limit of sand dunes south of Flasher Station. Comment
  CAS-BOT-BC98165  Baccharis salicifolia H. E. McMinn 1924-7-25 1327 A Los Angeles Catalina Island Comment
  CAS-BOT-BC98168  Baccharis salicifolia Marcus E. Jones 1882-2-25 3021 Los Angeles Pasadena Comment
  LA94396  Baccharis salicifolia Norman A. Cole; May 1964 383 B Los Angeles SANTA MONICA MOUNTAINS, Piuma Rd, 1.2 mi from junction of Rambla Pacifico and Schuern Road. 685 Comment
  RSA754088  Baccharis salicifolia Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1802 Los Angeles Lario San Gabriel River Trail Park 180 Comment
  UCR153568  Baccharis salicifolia A. C. Sanders 2005-5-11 30179 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
  POM97144  Baccharis salicifolia Philip A. Munz 1925-4-23 9426 Los Angeles San Gabriel Canyon Comment
  UC566707  Baileya pleniradiata H. L. Mason 1926-4-27 3064 Los Angeles 30 mi w of Victorville Comment
  SFV3764  Bellis perennis M. L. Vincent 1961-4-27 50 Los Angeles Santa Monica. In lawn at 502 25th street. 92 Comment
  UCR143474  Berberis aquifolium var. dictyota L. C. Wheeler 1936-6-23 4178 Los Angeles Transverse Ranges; San Gabriel Mtns, San Dimas Canyon 732 Comment
  POM53941  Bidens pilosa C. F. Baker 1908-10-1 3729 Los Angeles Claremont. Comment
  UCSB71759  Bituminaria bituminosa White, Scott 2003-10-22 Los Angeles San Gabriel Mountains: foothills above Sierra Madre; Los Angeles Dept. of Public Works "Sierra Madre" Debris Basin; northern terminus of Sumac St.; T1N R11W S16, NW1/4 366 Comment
  RSA0092326  Blitum californicum R. G. Swinney 2011-3-17 14117 Los Angeles San Gabriel Mountains: Glendora, north of Mull Canyon debris basin 366 Comment
  UCD113416  Bloomeria crocea Kenneth A. Wilson 1961-4-22 1150 Los Angeles Soledad Canyon. Small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  RSA70167  Bloomeria crocea var. crocea F. W. Peirson 1922-6-3 3091 Los Angeles north slope at foot of Oak Grove Canyon, Mojave Desert. 976 Comment
  CAS-BOT-BC15865  Boechera arcuata G. B. Grant 1906-6-10 6679 Los Angeles Mount Lowe. Castle Canyon. 1219 Comment
  SFV7996  Boechera arcuata T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1362 Los Angeles San Gabriel Mountains Along dirt road leading from Trail Canyon to Gold Creek, about 1 mile from Trail Canyon. 762 Comment
  UC284225  Boechera arcuata P. A. Munz 1923-5-26 6860 Los Angeles Rock Creek San Gabriel Mts. 1767 Comment
  RSA0128746  Boechera californica Marion P. Harthill 1975-5-12 719 Los Angeles Cat Canyon Comment
  CAS-BOT-BC30965  Bolboschoenus maritimus Louis C. Wheeler 1932-9-19 1392 Los Angeles Los Angeles R. at Los Feliz Blvd. 121 Comment
  CAS-BOT-BC30968  Bolboschoenus maritimus Ellsworth Bethel 1916-8-1 s.n. Los Angeles Long Beach. Comment
  RSA748798  Boschniakia strobilacea R. G. Swinney 2001-8-9 8011 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  CAS-BOT-BC145864  Bothriochloa barbinodis Carl B. Wolf 1932-10-3 4206 Los Angeles Santa Catalina Island. Road to Renton Mine, about 1 mile from junction with Wrigley Drive. 304 Comment
  UCR273367  Bothriochloa barbinodis R. G. Swinney 2011-3-18 14173 Los Angeles San Gabriel Mts., Glendora foothills, along Marshall Trail between Mull Canyon and Morgan Ranch Rd./Morgan Cyn., in dedicated open space 366 Comment
  RSA9738  Bowlesia incana L. C. Wheeler 1932-5-8 688 Los Angeles Puddingstone Dam; San Jose Hills 304 Comment
  UCR258939  Brassica rapa R. G. Swinney 2010-2-27 11765 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA482915  Brassica rapa Tom Burch 1940-3-2 s.n. Los Angeles Playa Del Ray. At nearly sea level. Comment
  CDA30226  Brickellia nevinii J. Dittes 2006-11-3 1428 Los Angeles Western Transverse Ranges; San Gabriel Mtns; Big Tujunga Canyon; ca. 2.4 air-miles S of Mt. McKinley, ca. 4.3 air-miles W of Big Tujunga Reservoir, ca. 3.4 air-miles NE of Mt. Gleason Jr. Highschool; slope north of Big Tujunga Canyon road about 1/2-way between Delta Flats Overlook and Trail Canyon Road. Comment
  JEPS18770  Brickellia nevinii Ernest Braunton 1902-8-7 517 Los Angeles Sherman Comment
  RSA593429  Bromus arenarius Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8894 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  LA33371  Bromus carinatus Henry J. Thompson; 1959-4-19 1950 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA311353  Bromus carinatus var. carinatus R. F. Thorne 1969-7-2 38211 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  CAS-BOT-BC172779  Bromus diandrus Timothy S. Ross; Steve Boyd 1994-5-4 7643 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  CATA1833  Bromus diandrus Denise Kraus 2000-4-24 12 Los Angeles Santa Catalina Island: (Goat Harbor burn area) approximately 2,770 ft. north of Airport Road and 690 ft. east of western fuel break ridge (western fuel break ridge starts midway along parking loop off Airport Road). At GHB Transect 3 368 Comment
  CATA626  Bromus diandrus Mark L. Hoefs 1991-4-8 1079 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  RSA641639  Bromus diandrus L. C. Wheeler 1967-5-3 9802 Los Angeles Sycamore Flat Campground, Big Rock Creek. 1311 Comment
  SBBG106882  Bromus diandrus M. L. Hoefs, R. F. Thorne 1996-4-6 2602 Los Angeles Pebbly Beach 6 Comment
  UC1131141  Bromus diandrus A. D. Gifford 1935-4-30 641 Los Angeles 6 mi wsw of Manzana 1005 Comment
  SD181773  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles LA Basin region, Verdugo Mtns, N side, Hostetter Mtn Way, off of La Tuna Cyn Rd; Burbank [quad]. Near a seep along dirt fire road, on N-facing slope. Above the seep on a steep dry cliff & slope that appears to have moisture creep. 671 Comment
  RSA0022982  Bromus hallii Duncan S. Bell, Caitlin Elam 2013-8-1 5571 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Lupine Campground area and below Columbine Spring. 2031 Comment
  UC535049  Bromus hallii Victor Duran 1933-7-20 3521 Los Angeles San Gabriel Mountains, Buckhorn Buckhorn; San Gabriel Mountains, Buckhorn 1981 Comment
  CHSC36027  Bromus hordeaceus James Henrickson 1979-5-18 18136 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  UCR271815  Bromus hordeaceus R. G. Swinney 2010-5-7 12597 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  SDSU959  Bromus madritensis subsp. rubens R. M. Beauchamp 1967-3-17 236 Los Angeles On Slope east of Wilson Cove. San Clemente Island, Calif. Comment
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May 16 2008
  UC934025  Bromus madritensis subsp. rubens H. L. Cogswell 1951-5-8 85 Los Angeles 3/4 mi n of San Dimas Foothill County Park (base of San Gabriel Mountains); San Gabriel Mountains 472 Comment
  RSA728773  Bromus rubens Gary D. Wallace 1979-4-19 1698 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
  SBBG56627  Bromus secalinus M. N. Ackley -Apr-1929 Los Angeles Hyde Park 47 Comment
  UCD59863  Bromus tectorum Daryl Koutnik 1978-3-23 132 Los Angeles North side of State Hwy. 18 and just west of Llano. 975 Comment
  UCR223809  Bromus tectorum R. G. Swinney 2009-6-17 11165 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  CATA200  Cakile maritima Mark L. Hoefs 1973-4-15 179 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG20537  Cakile maritima E. R. Blakley 1963-12-7 6361 Los Angeles just above beach, E of lighthouse, Chenity Cyn 3 Comment
  SD143981  Cakile maritima Scott D. White 1997-3-12 4732 Los Angeles Zuma Beach area: mouth of Zuma Creek, east end of the County beach. 7 Comment
  UCR150660  Calandrinia ciliata var. menziesii James Henrickson 1985-3-30 19760 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  CATA193  Calandrinia menziesii Mark L. Hoefs, A. Douglas Propst 1973-4-6 168 Los Angeles Santa Catalina Island: West side of Mt. Black Jack 457 Comment
  CDA6855  Calendula officinalis A. C. Sanders 2003-5-26 26833 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 Comment
  CAS-BOT-BC80412  Calocedrus decurrens Timothy S. Ross; Steve Boyd 1994-9-21 8319 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route 1277 Comment
  JEPS103712 Image available Calochortus catalinae J. Andrews 1994-1 94101 Los Angeles Triunfo Pass, Malibu 627 Comment
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May 31 2008
  SD69789  Calochortus catalinae Robert F. Thorne 1966-4-4 35767 Los Angeles Santa Catalina Island, on grassy west-facing slope, bluff southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UC843638  Calochortus catalinae F. R. Fosberg 1931-4-2 S 4456 Los Angeles divide between Hamilton Canyon Descanso Canyon; Santa Catalina Island 200 Comment
  UCSB618  Calochortus catalinae Wedberg, H. 1958-4-26 Los Angeles Mulholland Drive, 2-3 miles west of Beverly Glen, Santa Monica Mts Comment
  UC574930  Calochortus clavatus Carl Epling and Louis Wheeler 1933-6-4 1854 Los Angeles near Summit (Ridge Route) 1524 Comment
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Nov 9 2011
  SBBG57673  Calochortus clavatus var. gracilis M. N. Ackley 1926-5-8 Los Angeles Mint Cyn 457 Comment
  RSA230695  Calochortus invenustus Robert F. Thorne 1969-7-9 38554 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  JEPS61654  Calochortus kennedyi Frank W. Peirson 1921-5-20 1667 Los Angeles about 5 mi back from Mohave Desert; San Gabriel Mts., Little Rock Creek 1127 Comment
  RSA0054999  Calochortus kennedyi J. R. Shevock 1971-5-11 1059 Los Angeles Outskirts of Palmdale. Comment
  RSA0051313  Calochortus plummerae Allison D. Rudalevige, David Bramlet, Lindsay Messett, Courtney Rose 2014-6-9 ADR 5 Los Angeles City of Santa Clarita, east of Bouquet Canyon Road, south of Soledad Canyon Road, west of Golden Valley Road. 479 Comment
  RSA628580  Calochortus plummerae Louis C. Wheeler 1967-7-18 10099 Los Angeles San Gabriel Mountains, Angeles National Forest: Vicinity of Yerba Buena Spring, Gold Creek off Little Tujunga. Comment
  RSA707385  Calochortus plummerae Naomi Fraga, Tim Thibault, Eshan Taquvi 2005-7-26 1634 Los Angeles West Fork of Palmer Canyon. 671 Comment
  RSA753678  Calochortus plummerae A. Edwards, B. Edwards 2009-6-6 131 Los Angeles City of Monrovias Hillside Wilderness Preserve, located at saddle of Clamshell Truck Trail. 463 Comment
  UC1293693  Calochortus splendens P. C. Everett and E. K. Balls 1959-6-2 23849 Los Angeles 1.5 mi ne from jct with rd to Lake Malibu and Stokes Canyon; Santa Monica Mts. Comment
  CAS-BOT-BC493417  Calochortus splendens Carl B. Wolf 1932-5-11 3549 Los Angeles Rancho Santa Ana Botanic Garden, Santa Catalina Island, W. side of Isthmus Harbor 30 Comment
  RSA0009996  Calochortus splendens Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  SD215332  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9711 Los Angeles Liebre Mountains Region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence of Bee Canyonand 1.5 miles by road south of the Clearwater Canyon truck Trail 6N24. 609 Comment
  UCR124962  Calochortus venustus B. C. Templeton 1931-5-17 1212 Los Angeles Western San Gabriel Mtns., Bouquet Canyon 600 Comment
  POM351394  Calycadenia tenella Anstruther Davidson 1890-5-17 s.n. Los Angeles Glendale. Comment
  UCR200182  Calyptridium monandrum Valerie Soza, Laura A. Moore 2000-5-10 849 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, west of peak ''1936' 564 Comment
  CAS-BOT-BC215751  Calystegia macrostegia subsp. intermedia Geo. B. Grant 1905-4-19 212 Los Angeles Garvanza Comment
  SD38399  Calystegia macrostegia subsp. intermedia Edith A. Purer 1931-2-28 124 Los Angeles Verdugo Hills Comment
  RSA232663  Calystegia macrostegia subsp. macrostegia G. D. Wallace 1972-9-2 694 Los Angeles San Clemente Islands, below barracks area in small canyon at Wilson Cove. Comment
  UCR146474  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1992-5-25 448 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp. south side of camp 1713 Comment
  RSA799913  Camissonia bistorta Justin M. Wood 2009-3-20 378 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  RSA590822  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
  RSA615522  Camissonia californica Louis C. Wheeler 1967-5-18 9615 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA611651  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10082 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA611664  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10095 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  RSA659807  Camissonia guadalupensis subsp. clementina Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 103 Los Angeles San Clemente Island. Comment
  UCR194730  Camissonia hirtella Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 696 Los Angeles Transverse Ranges: Verdugo Mountains, 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
  RSA187567  Camissonia intermedia Peter H. Raven 1962-5-23 17857 Los Angeles Santa Catalina Island, ocean bluffs at East side of Avalon Bay. Comment
  RSA449029  Camissonia micrantha Louis C. Wheeler 1932-5-21 735 Los Angeles Garapito Creek, Santa Monica Mountains. 305 Comment
  RSA449032  Camissonia micrantha Anstruther Davidson 1907-04 1754 Los Angeles Hollywood. Comment
  UCR205549  Camissonia micrantha A. C. Sanders, T. B. Salvato 2009-5-18 36809 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  JEPS33752  Camissonia strigulosa I. W. Clokey and B. C. Templeton 1930-4-8 4671 Los Angeles San Fernando Rd 300 Comment
  UC147962  Camissoniopsis bistorta C. F. Baker 1909-5-29 5331 Los Angeles Claremont Comment
  SDSU3336  Camissoniopsis bistorta H. Wedberg 1959-4-12 408 Los Angeles Tapia Park, Santa Monica Mountains. Comment
  CAS-BOT-BC160437  Camissoniopsis cheiranthifolia subsp. suffruticosa Dr. H. E. Hasse 1888-7-1 s.n. Los Angeles Unspecified Comment
  SD85048  Camissoniopsis guadalupensis subsp. clementina E. R. Blakley 1962-6-10 5229 Los Angeles San Clemente Island; canyon mouth southeast of Eel Point, half way toward Seal Cove. 6 Comment
  SFV20870  Camissoniopsis hirtella L. Gross, L. Moore 2000-6-5 219 Los Angeles Verdugo Mountains Off La Tuna Canyon road on Santa Monica Mountains Conservancy Land near coordinates recorded. 579 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
  UCSB72233  Camissoniopsis hirtella Gross, LeRoy 2003-5-23 Los Angeles Transverse Ranges; San Gabriel Mountains region: 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 (Chilao Flat 7.5Quad.: T3N R11W S3, SWl/4,SWl/4) 1799 Comment
  LA32208  Camissoniopsis intermedia Henry J. Thompson; 1959-4-12 1926 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 2 mi W of Las Virgenes Rd. 304 Comment
  UCD77447  Camissoniopsis intermedia Robert E. Preston 1998-6-19 1149 Los Angeles Mint Canyon, ca. 0.5 mile N of Sierra Hwy 804 Comment
  SDSU3375  Camissoniopsis intermedia H. Wedberg 1958-5-10 288 Los Angeles On Latigo Canyon Road 0.4 mi. from Mulholland Hwy and just north of calamigos star 'C' Ranch. Cleistogamous. Comment
  CAS-BOT-BC160535  Camissoniopsis lewisii Le Roy Abrams 1901-4-1 1192 Los Angeles Ballona Harbor Comment
  UC1537606  Camissoniopsis micrantha Gordon H. True Jr. 1935-4-19 244 Los Angeles s slope Lovejoy Butte 853 Comment
  CAS-BOT-BC37085  Capsella bursa-pastoris Peter H. Raven; Henry J. Thompson 1959-5-5 14145 Los Angeles Santa Monica Mountains. Mullholland Highway. 1 mile west of Las Virgenes Road. Malibu Creek drainage. 274 Comment
  SFV21394  Capsella bursa-pastoris L. Gross 2002-3-7 488 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Off La Tuna Canyon Road in Santa Monica Mountains Conservancy land, south of 210 Freeway. Side Canyon off of La Tuna Canyon. 579 Comment
  LA103430  Capsella bursa-pastoris Barry A. Prigge; 1986-3-20 6956 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  RSA592223  Capsella bursa-pastoris L. C. Wheeler 1967-4-30 9231 Los Angeles Limekiln Canyon 564 Comment
  CATA1721  Cardamine californica Mark L. Hoefs, Steven A. Junak, Janet Takara 2000-4-1 3067 Los Angeles Santa Catalina Island: Upper Cherry Valley, above main road 42 Comment
  UC10418  Cardamine californica var. integrifolia W. H. Brewer 1861-2-3 167 II Los Angeles San Gabriel Comment
  RSA585576  Cardaria draba Timothy S. Ross 1992-4-21 6208 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon & Lower Cow Canyon, daining toward the latter 1317 Comment
  SEINET3372077  Carduus pycnocephalus G. Rink 2011-6-5 10593 Los Angeles Chino Hills 396 Comment
  SD230109  Carex Steve Boyd, Lauren Raz 1997-5-20 9807 Los Angeles Liebre Mountains Region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA0127209  Carex Louis C. Wheeler 1967-7-15 10029 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  CAS-BOT-BC17677  Carex alma Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3399 Los Angeles San Gabriel Mountains. Little Rock Creek: Joshua Tree Campground on the SW side of Little Rock Reservoir. 1002 Comment
  CAS-BOT-BC17680  Carex alma Timothy S. Ross; J. Mark Porter 1995-5-4 8486 Los Angeles Liebre Mountains. Texas Canyon: ca. 3.6 road miles NE of Bouquet Canyon Road. 682 Comment
  RSA660254  Carex alma Orlando Mistretta, Peter L. Morrell 1992-6-4 502 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA764356  Carex alma Scott D. White 2004-8-11 10716 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  UC1584056  Carex alma Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4050 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mts., Angeles N.F., Tujunga Ranger District 1463 Comment
  POM21249  Carex alma Phillip A. Munz 1923-5-26 6857 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  UC904996  Carex leavenworthii William C. Draper 1949-5-27 Los Angeles 510 Fairview Street Arcadia Comment
  CAS-BOT-BC32088  Carex multicaulis Timothy S. Ross; Steve Boyd; Peter Fritsch 1990-6-25 3781 Los Angeles Natural depression SSW of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1703 Comment
  SEINET11632172  Carex occidentalis H. E. Hasse 1888-1 s.n. Los Angeles no further locality Comment
  UCR57212  Carex pellita R. G. Swinney 1989-5-25 s.n. Los Angeles San Gabriel Mtns, San Dimas Canyon, 0.25 mi north of Golden Hills Drive on San Dimas Canyon Road 427 Comment
  CAS-BOT-BC118414  Carex praegracilis LeRoy Abrams 1899-3-1 201 Los Angeles Cienega Comment
  UC793591  Carex scopulorum var. bracteosa D. F. Howe 1947-3-22 22 Los Angeles Topanga Canyon, about 3 mi from the ocean Santa Monica Mts. Comment
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Jan 25 2008
  RSA364704  Carex senta T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  UCR124719  Carex subfusca B. C. Templeton 1932-6-1 4875 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2330 Comment
  SEINET12282853  Carissa grandiflora J. F. Bright, Wyman, C. 1931-1 5715 Los Angeles Hollywood Comment
  UCR156107  Carthamus baeticus A. C. Sanders 2005-5-5 29884 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA82230  Castilleja affinis subsp. affinis F. W. Peirson 1921-3-6 2725 Los Angeles San Gabriel Wash. 213 Comment
  UC535513  Castilleja affinis subsp. affinis Ira W. Clokey, B. Templeton Apr 1929 4427 Los Angeles Mandeville Canyon; Santa Monica Mountains 425 Comment
  CHSC4750  Castilleja applegatei subsp. martinii M. MacArthur 1967-6-24 65 Los Angeles .7 mi from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of rd. by intermittent stream bed, Angeles National Forest. 1584 Comment
  POM4458  Castilleja applegatei subsp. martinii I. M. Johnston 1917-5-6 1915 Los Angeles Evey Canyon, north of Claremont. 915 Comment
  RSA643160  Castilleja applegatei subsp. martinii Orlando Mistretta 1995-6-23 1836 Los Angeles San Gabriel Mountains: Lookout Mt. Trail; Orobanche valida survey. 1921 Comment
  RSA730600  Castilleja applegatei subsp. martinii Robert F. Thorne, M. Z. Thorne 1969-7-9 38526 Los Angeles San Gabriel Mountains, Angeles National Forest: just S of Big Meadow, Big Pines 2088 Comment
  LA82064  Castilleja exserta subsp. exserta O. H. Kappler; 1940-5-12 sn Los Angeles SANTA MONICA MOUNTAINS, W-fork Las Trancas (Rattlesnake) Canyon 365 Comment
  UCSB6116  Castilleja exserta subsp. exserta Ellis, Richard 1960-4-11 Los Angeles Tapia park; on Malibu Cyn Rd; approx. 8 mi N of 101 hiway 609 Comment
  RSA400540  Castilleja foliolosa R. M. Beauchamp 1967-3-20 349 Los Angeles Santa Catalina Island, above Abalone Point, south of Avalon Comment
  UCSB8703  Castilleja foliolosa McElwain, Isabelle 1953-2-28 Los Angeles 18000 Bull Cyn Road; S of homesite; Granada Hills Comment
  SD136135  Castilleja grisea Mark Elvin, Gery Allan 1995-5-21 18 Los Angeles San Clemente Island: W side of island, in S branch of Horse Beach Canyon on lower terrace Comment
  SEINET10783829  Castilleja grisea Meryle B. Dunkle 1939-1 Los Angeles Comment
  RSA652661  Castilleja minor subsp. spiralis Marion P. Harthill 1972-4-8 639 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest 457 Comment
  UCR186596  Castilleja minor subsp. spiralis T. B. Salvato, Sarah Flack 2007-8-8 3034 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
  SD215667  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 Los Angeles San Gabriel Mountains: Big Rock Creek, 3/4 mile north of Big Rock Springs 1157 Comment
  UC131115  Castilleja plagiotoma Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  UCR124703  Castilleja plagiotoma B. C. Templeton 1932-6-19 4918 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 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
  UCR256589  Castilleja subinclusa subsp. subinclusa Anuja Parikh, Nathan Gale 2011-6-4 3413 Los Angeles Western Transverse Range; eastern Liebre Mtns., Sierra Pelona, 5.5 km west of State Hwy 14, 2.0 km SW of California Aqueduct 1123 Comment
  UC1871023  Caulanthus amplexicaulis T. S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles San Gabriel Mountains; Western San Gabriel Mtns: May Canyon Saddle, San Fernando, Alt 3660ft 1115 Comment
  UC592156  Caulanthus cooperi H. L. Mason 1932-4-1 6857 Los Angeles one mi e Lancaster; e of Lancaster Comment
  UCR60927  Caulanthus cooperi Steve Boyd, Orlando Mistretta 1986-3-31 1533 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  UCSB33636  Caulanthus heterophyllus Griesel, Wesley 1962-3-31 Los Angeles Cornell Post Office, Santa Monica Mts. 152 Comment
  RSA774238  Caulanthus inflatus R. G. Swinney 2009-5-5 10633 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SD52912  Caulanthus lasiophyllus Peter H. Raven 1962-5-9 17679 Los Angeles San Clemente Island, head of canyon above Mosquito Cove. 334 Comment
  UCR247282  Ceanothus Dan S. Cooper 2013-3-17 313- 50 Los Angeles Los Angeles, Elysian Park, east of baseball fields, near Angels Point Rd. 220 Comment
  CATA3023  Ceanothus arboreus Amy Catalano 2016-3-9 029 Los Angeles Santa Catalina Island: South side of Airport Road in ""Fox Country"", about 270 meters east of Haypress Reservoir 405 Comment
  UC1234759  Ceanothus arboreus Peter H. Raven 1962-5-20 17781 Los Angeles Farnsworth Loop on summit road Santa Catalina Island 243 Comment
  UC455341  Ceanothus arboreus I. J. Condit 1911-3-27 Los Angeles Santa Catalina Island Comment
  UCR209892  Ceanothus cordulatus R. G. Swinney 2008-7-24 9269 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  JEPS42402  Ceanothus crassifolius Frank W. Peirson 1919-1-19 302 a Los Angeles foot of Rubio Canyon; San Gabriel Mts., foot of Rubio Canyon 548 Comment
  LA82215  Ceanothus crassifolius O. H. Kappler; 1941-3-25 147 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, at head of Corral Canyon, N slope. 761 Comment
  RSA398862  Ceanothus crassifolius L. E. Hoffman 1932-3-14 16302 Los Angeles Millard's Canyon, Angeles National Forest [San Gabriel Mountains]. Comment
  RSA398875  Ceanothus crassifolius Albert J. Perkins 1914-3-1 s.n. Los Angeles Santa Anita Canyon. Comment
  RSA630268  Ceanothus crassifolius LeRoy Gross 1999-2-19 111 Los Angeles San Gabriel Mountains.: Little Tujunga Canyon Road to Dillon Divide. 1006 Comment
  UC1071006  Ceanothus crassifolius F. H. Raymond 1930-3-3 54 Los Angeles San Rafael Mountains 243 Comment
  UCD111438  Ceanothus crassifolius Kenneth A. Wilson; D. E. Bianchi 1961-2-2 819 Los Angeles San Gabriel Mountains. Placerita Road. 2 miles east of Route 6. Comment
  SD215638  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-26 9346 Los Angeles Northern Base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir 975 Comment
  RSA592283  Ceanothus greggii var. vestitus Louis C. Wheeler 1967-5-9 9409 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  CAS-BOT-BC50845  Ceanothus insularis Carl B. Wolf 1941-6-25 11221 Los Angeles Rancho Santa Ana Botanic Garden - Flat, in nersery. Originally collected: Santa Catalina Island, head of Avalon Canyon 121 Comment
  SEINET13387055 Image available Ceanothus leucodermis R. G. Swinney 2011-1 15228 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail (Crystal Lake 7.5' Q.) (T3N R9W) 1567 Comment
  UCR204895  Ceanothus leucodermis R. G. Swinney 2008-4-1 8600 Los Angeles San Gabriel Mtns., ridge north of and adjacent to Sharps Canyon, c. 2 miles due N of Glendora 671 Comment
  RSA399112  Ceanothus megacarpus Louis C. Wheeler 1932-3-19 527 Los Angeles Head Sepulveda. Santa Monica Mts. 427 Comment
  SEINET2073166  Ceanothus megacarpus S. Davis 2001-4-29 Los Angeles Pepperdine University campus, Biological Reserve, Comment
  SEINET13946001 Image available Ceanothus megacarpus Peter H. Raven 1959-1 13788 Los Angeles Santa Monica Mountains. 34 deg. N, 118-119 deg. W. Beverly Glen Canyon 2.6 miles N of Sunset Boulevard. Elevation 700 Comment
  RSA292461  Ceanothus megacarpus var. insularis James Henrickson 1973-01 8120 Los Angeles Santa Catalina Island. 2 air miles WNW of Avalon. Comment
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Feb 9 2017
  UC729804  Ceanothus megacarpus var. megacarpus Carl B. Wolf 1932-5-10 3541 Los Angeles Along ridge between summit of the equestrian trail and Mt. Shatto Santa Catalina Island Comment
  CAS-BOT-BC50454  Ceanothus oliganthus L. R. Abrams 1913-7-18 5014 Los Angeles Russel's Lake Comment
  LA43644  Ceanothus oliganthus O. A. Plunkett; 1926-3-6 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon Comment
  RSA399736A  Ceanothus oliganthus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA653928  Ceanothus oliganthus var. oliganthus Valerie L. Soza, Wayne Law, Laura Moore 2000-6-27 1032 a Los Angeles San Gabriel Mountains: Firebreak above Upper Winter Creek Trail, ca. 2 miles northwest of Chantry Flat along FS Road 2N41.2, north of San Olene Canyon. 850 Comment
  RSA599192  Ceanothus spinosus Scott D. White 1997-3-12 4742 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SEINET4689897  Ceanothus thyrsiflorus Leila M. Shultz 1980-4-28 4033 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
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Oct 6 2015
  SD69454  Centaurea cineraria Robert F. Thorne, P. Everett 1965-6-23 35016 Los Angeles Santa Catalina Island: rocky ridge on Hamilton Canyon side N of Descanso Canyon. 60 Comment
  RSA726014  Centaurea melitensis A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26139 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UC472357  Centaurea melitensis C. F. Millspaugh 1920-2-13 4713 Los Angeles waste grounds at the far e side of Golf Links; Avalon Comment
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Apr 29 2008
  RSA592202  Centaurea melitensis L. C. Wheeler 1967-4-23 9191 Los Angeles San Gabriel Mountains. Sunset Ridge. Comment
  SFV10206  Centaurium venustum J. G. Cuti 1978-6-20 s. n. Los Angeles About 0.5 miles off Santa Susana Pass Road on Box Canyon Road. Comment
  RSA705965  Centaurium venustum subsp. venustum M. Wall, Katie Sims 2005-6-9 393 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  RSA644926  Centromadia pungens subsp. pungens R. E. Riefner s.n. Los Angeles Lancaster, SW of Rte 14 and Rte 138 int. Comment
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Dec 16 2012
  RSA316343  Centrostegia thurberi Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54963 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCR200122  Cerastium glomeratum Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 780 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  UCR274988  Cerastium glomeratum Michael Honer, Rachel Woodard 2006-4-20 2213 Los Angeles Tehachapi Mountains area:, Oso Canyon area; c. 1/2 mi. north of Quail lake; 1 mile west of cement plant rd. 1037 Comment
  RSA150932  Cerastium glomeratum P. H. Raven 1962-4-10 17235 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  PASA1216  Cercocarpus betuloides Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA714692  Cercocarpus betuloides A. C. Sanders, Mark A. Elvin 2003-6-18 26947 Los Angeles Around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon. 1037 Comment
  UCD113057  Cercocarpus betuloides Kenneth A. Wilson 1963-10-24 1308 Los Angeles Santa Monica Mountains. Old Topanga Canyon Road, 1/2 mile NW of Topanga Canyon Blvd. Comment
  CAS-BOT-BC135509  Cercocarpus betuloides var. betuloides Tim Ross 1993-4-22 6912 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; near dogleg in drainage, Santa Catalina South USGS 7.5'. 230 Comment
  RSA603193  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1972-12-20 12788 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  UC311292  Cercocarpus betuloides var. betuloides Philip A. Munz 1926-4-4 9999 Los Angeles Bouquet Canyon 914 Comment
  RSA0042304  Cercocarpus betuloides var. blancheae Mark L. Hoefs, Steven A. Junak, Melissa Askew 1999-7-15 3061 Los Angeles Santa Catalina Island: Lower Bulrush Canyon. 262 Comment
  UCSB2762  Cercocarpus betuloides var. blancheae Muller, Cornelius 1953-5-2 Los Angeles Upper end of Swain Canyon, near ridge top, Santa Catalina Island Comment
  RSA727249  Cercocarpus ledifolius var. ledifolius R. G. Swinney 1998-7-2 6196 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR258777  Chaenactis artemisiifolia R. G. Swinney 2010-6-23 13339 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
  RSA776320  Chaenactis fremontii R. G. Swinney 2009-4-29 10609 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA252870  Chaenactis fremontii R. F. Thorne 1973-5-11 43527 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  UC1174387  Chaenactis fremontii Ira L. Wiggins and W. R. Ernst 1958-5-2 230 Los Angeles 1 mi nw of Little Rock Comment
  POM351752  Chaenactis glabriuscula Fay A. MacFadden 1931-4-15 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  RSA747005  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  SFV18463  Chaenactis glabriuscula S. Haennelt 1977-3-9 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area. Ecology trail. Comment
  UC718348  Chaenactis glabriuscula var. glabriuscula Carl B. Wolf 1936-5-27 Los Angeles 2 mi of Soledad Canyon (Indian Canyon Camp); San Gabriel Mts., Indian Canyon 914 Comment
  POM351807  Chaenactis santolinoides Anstruther Davidson 1923-8-1 s.n. Los Angeles Mt. Waterman Comment
  SD111595  Chaenactis santolinoides Wayne P. Armstrong 1982-6-28 Los Angeles Summit of Mt. Islip. 2500 Comment
  UCR23738  Chaenactis santolinoides John C. Roos 1947-5-31 3667 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  RSA774263  Chaenactis stevioides R. G. Swinney 2009-5-5 10649 Los Angeles Carr Canyon, 0.6 mi. southeast of Mt. Emma Rd. crossing 963 Comment
  SD215395  Chaenactis stevioides W. Wisura, E. Roeder 1992-4-21 4695 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  RSA94398  Chaenactis xantiana F. W. Peirson 1922-7-5 3163 Los Angeles Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains 2209 Comment
  RSA0115077  Chamaesyce Steven A. Junak 2000-10-12 SCa- 1414 Los Angeles Santa Catalina Island. Middle Canyon, along N side of Thompson Reservoir, NW side of reservoir. 204 Comment
  RSA616269  Chamaesyce albomarginata Scott D. White, Pam De Vries 1998-5-15 6499 Los Angeles Soledad Canyon area: proposed quarry area N of Soledad Canyon. Road., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 579 Comment
  UC1871134  Chamaesyce albomarginata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4804 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
  RSA499111  Chamaesyce albomarginata L. C. Wheeler 1936-7-7 4214 Los Angeles Coast highway 2.5 mi. E Dekker Ranch road, South side Santa Monica Mts. 6 Comment
  POM177957  Chamaesyce melanadenia Joseph A. Ewan 1931-4-25 4169 Los Angeles S. Fork La Tuna Canyon, Verdugo Range. Comment
  RSA599348  Chamaesyce melanadenia L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  RSA585914  Chamaesyce serpillifolia T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  CAS-BOT-BC166009  Chamerion angustifolium subsp. circumvagum Tim Ross 1990-8-17 3177 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the vicinity of Columbine Spring 2206 Comment
  RSA599210  Chasmanthe floribunda Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  RSA685710  Cheilanthes covillei L. E. Hoffman 1931-12-22 s.n. Los Angeles Chilao Flats, Angeles National Forest 2134 Comment
  CAS-BOT-BC68142  Cheilanthes newberryi Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Island Comment
  UCR229491  Chenopodium Jeremiah George 2011-7-19 s.n. Los Angeles South Coast, Palos Verdes Estates, east of end of Via Tejon at Malaga Dune 62 Comment
  RSA423283  Chenopodium album Gertrude Dunn 1930-8-8 s.n. Los Angeles Arroyo Seco, S. Pasadena Comment
  RSA0082962  Chenopodium berlandieri R. G. Swinney 2010-4-23 12355 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA594657  Chenopodium berlandieri L. C. Wheeler 1967-7-30 10255 Los Angeles San Gabriel Mountains. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA605823  Chenopodium botrys L. C. Wheeler 1966-10-27 9106 Los Angeles San Gabriel Mountains: Cattle Canyon, off East Fork San Gabriel River. Comment
  POM12255  Chenopodium californicum F. L. Robinson 1921-4-15 34 Los Angeles North of Claremont. Comment
  SBBG98071  Chenopodium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5103 Los Angeles above Nots Pier on rd near the top of the E escarpment, 1400 ft NNW of the 553 ft Benchmark 138 Comment
  RSA762070  Chenopodium fremontii Orlando Mistretta, Christine Mistretta 2008-5-16 3087 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 106 per TRTP Survey 2008), Upper Fish Canyon 1002 Comment
  SD230206  Chenopodium leptophyllum Louis C. Wheeler 1946-8-29 6320 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout 2560 Comment
  RSA478521  Chenopodium macrospermum var. farinosum Anstruther Davidson 1917-10 3296 Los Angeles Nigger s Slough. Comment
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Aug 29 2014
  CAS-BOT-BC460919  Chenopodium missouriense Grace Cole Fleischman 1956-11-12 s.n. Los Angeles East Pasadena Comment
  CDA3080  Chenopodium missouriense G. C. Fleischman 1956-11-12 Los Angeles Along railroad tracks, East Pasadena. 0 Comment
  UCD98337  Chenopodium murale Robert F. Thorne; P. C. Everett 1964-2-7 33461 Los Angeles At lower end of Pebbly Beach Canyon, near road, E end of Santa Catalina Island. 76 Comment
  LA31620  Chenopodium murale Peter H. Raven; 1959-3-15 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA167857  Chenopodium murale R. F. Thorne, P. C. Everett 1964-2-6 33282 Los Angeles Santa Catalina Island. Landing area. Comment
  RSA522452  Chenopodium pratericola T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4052 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. 1658 Comment
  RSA0039464  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  RSA0038402  Chorizanthe parryi Lee Haines 1935-7-4 s.n. Los Angeles San Dimas Lookout road, San Gabriel Mts. Comment
  CAS-BOT-BC244736  Chorizanthe staticoides Peter H. Raven 1962-5-1 17519 Los Angeles Santa Monica Mountains, Mulholland Highway 0.9 miles west of Seminole Hot Springs 243 Comment
  LA91492  Chorizanthe staticoides Bruce Douglas Clayton; Greg Shaw 1972-4-15 93 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  RSA392679  Chorizanthe staticoides Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  RSA593432  Chorizanthe staticoides Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8892 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  UCR195289  Chorizanthe staticoides Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1170 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  UCR197178  Chorizanthe staticoides Valerie Soza, LeRoy Gross 2001-5-9 1202 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 244 Comment
  UCR275193  Chorizanthe staticoides A. C. Sanders, D. Malueg 1998-6-22 22040 Los Angeles San Gabriel Mtns., Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon 1006 Comment
  UCR281976  Chorizanthe watsonii R. G. Swinney 2014-4-24 16206 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
  CDA20157  Chrysanthemum coronarium M. O'Brien 2003-5-18 MOB 18 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  PASA1791  Chrysopsis villosa var. fastigiata Frank W. Peirson 1921-10-9 Los Angeles Tujunga Canyon 914 Comment
  RSA594197  Chrysothamnus nauseosus subsp. consimilis Steve Boyd, Lauren Raz 1996-10-14 9055 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  RSA0070585  Cirsium brevistylum L. C. Wheeler 1948-7-17 6664 Los Angeles San Gabriel Mountains: Chantry Flat, Big Santa Anita Canyon. Comment
  RSA0070649  Cirsium mohavense P. A. Munz 1929-5-19 11457 Los Angeles 3 miles south of Rosamond, W Mojave Desert. Comment
  RSA0059665  Cirsium occidentale Doris Bowers 1957-5-2 929 Los Angeles Road above Puddingstone, LaVerne. 320 Comment
  POM18107  Cirsium occidentale var. californicum P. A. Munz 1923-5-25 6814 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  POM352156  Cirsium occidentale var. californicum M. B. Dunkle 1933-7-11 3660 Los Angeles Upper San Gabriel Canyon. San Gabriel Mountains. Comment
  SBBG98553  Cirsium occidentale var. coulteri T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5325 Los Angeles terrace flats between Box and Horse Cyns 484 Comment
  LA200182  Cirsium occidentale var. occidentale Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4553 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  SFV21104  Cirsium occidentale var. occidentale L. Gross, L. Moore 2000-6-5 216 Los Angeles Verdugo Mountains Bottom of Brand Canyon, a short distance above the cemetary. 350 Comment
  RSA593489  Cirsium occidentale var. venustum Steve Boyd, Orlando Mistretta, Valerie L. Sosa 1996-6-12 8841 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  SBBG65963  Cirsium occidentale var. venustum R. Hoffmann 1928-7-9 Los Angeles Hughes Lake Comment
  CDA1496  Cirsium ochrocentrum George Garretson 1959-8-31 s.n. Los Angeles San Jose Creek Walnut district; (City of Industry?) Southern Pacific R.R. right-of-way, 200 ft. W of Water St. 0 Comment
  CDA1604  Cirsium undulatum George Garrettson 1955-5-31 s.n. Los Angeles Puente; Supreme Dairy , E/ Covina Pass Rd. at Amar Ave. 0 Comment
  UCR209851  Cirsium vulgare R. G. Swinney 2008-7-13 9185 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, east fork of Bell Canyon at debris basin 756 Comment
  SBBG113122  Cistanthe maritima S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 37 Los Angeles above W end of beach at Little Harbor 12 Comment
  RSA466596  Cistanthe monandra Albert J. Perkins 1924-6-10 s.n. Los Angeles Colby s Ranch 8 mi from Switzer s Camp (Arroyo Seco) and one mile from Tujunga River. Comment
  UCR256529  Cistus incanus Anuja Parikh, Nathan Gale 2011-7-23 3572 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 0.3 km southwest of Cogswell Dam 784 Comment
  RSA226237  Clarkia bottae Gary D. Cromwell, David W. Wheat 1971-7-1 695 Los Angeles Mystic Canyon, San Gabriel Mountains, Angeles National Forest. 2 miles NE of Glendora. 427 Comment
  RSA453458  Clarkia bottae Louis C. Wheeler 1932-5-17 723 Los Angeles Santa Monica Mountains: Garapito Creek. 305 Comment
  CAS-BOT-BC172096  Clarkia dudleyana Geo. L. Moxley 1914-5-30 236 Los Angeles San Rafael Hills Comment
  CAS-BOT-BC172101  Clarkia dudleyana Wesley O. Griesel 1961-6-3 s.n. Los Angeles State Hwy. 2 about 3 mi. above La Canada, San Gabriel Mts. 609 Comment
  SBBG60298  Clarkia dudleyana R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  RSA590419  Clarkia epilobioides Tim S. Ross 1993-4-21 6489 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak; slope and small ridges N of Cactus peak summit. 427 Comment
  SD69018  Clarkia epilobioides Robert F. Thorne, D. Propst 1968-5-28 37650 Los Angeles Santa Catalina Island; central part of Bulrush Canyon. 244 Comment
  UC450944  Clarkia epilobioides Fay A. MacFadden 1931-4-10 2600 Los Angeles Tuna Canyon Verdugo Hills Comment
  SBBG5095  Clarkia heterandra R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA247407  Clarkia purpurea subsp. quadrivulnera Jack Delaini, Barbara Shervanick 1974-5-23 221 Los Angeles Lodi Canyon, San Dimas Experimental Forest. Angeles National Forest. At base of W ridge of canyon near its mouth. 366 Comment
  RSA601564  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-6-15 9837 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 396 Comment
  POM96829  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1926-5-3 10815 Los Angeles Puddingstone Canyon, San Dimas. 305 Comment
  CAS-BOT-BC164871  Clarkia rhomboidea Le Roy Abrams; E. A. McGregor 1908-6-19 341 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  LA15498  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles Santa Monica Mountains, Mandeville Canyon Comment
  LA45505  Clarkia unguiculata Harvey Anderson; Carl Epling 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM305739  Clarkia unguiculata Henry J. Ramsey, Henry J. Ramsey 1937-6-27 915 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  RSA590476  Clarkia unguiculata Tim S. Ross, W. Appleby 1993-5-20 7210 Los Angeles Western San Gabriel Mts: vicinity of Los Pinetos Spring. 890 Comment
  SFV21046  Clarkia unguiculata L. Gross, V. Soza 2001-6-6 436 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) from the crest, on north-facing slope. 488 Comment
  UC440440  Clarkia unguiculata H. Anderson, Carl Epling 1930-5-30 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UCR88708  Clarkia unguiculata Scott D. White, Chet McGaugh 1995-5-9 2979 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
  RSA763815  Claytonia parviflora Justin M. Wood 2010-5-10 1606 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA779206  Claytonia parviflora R. G. Swinney 2009-6-8 11075 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC439509  Claytonia parviflora subsp. parviflora Le Roy Abrams; E. A. McGregor 1908-6-19 345 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA466716  Claytonia parviflora subsp. parviflora Thekla Mohr 1899-04 1591 Los Angeles Eaton Canyon. Comment
  RSA727536  Claytonia parviflora subsp. utahensis R. G. Swinney 1998-5-16 6086 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA0019773  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2011-6-23 5755 Los Angeles Vicinity of Mt. Gleason. Former Los Angeles County Fire Camp 1.3 air miles E of Mt. Gleason summit. 1680 Comment
  RSA680108  Claytonia parviflora subsp. viridis LeRoy Gross, Michael Denslow 2003-6-4 988 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  CAS-BOT-BC439958  Claytonia perfoliata subsp. mexicana P. A. Munz 1918-4-5 2020 Los Angeles Pomona Comment
  CAS-BOT-BC91382  Clematis lasiantha Le Roy Abrams 1901-4-3 1306 Los Angeles Santa Monica Mountains. 304 Comment
  SEINET12099143  Clematis lasiantha H. W. Graham 1927-1 s.n. Los Angeles along trail and Rd from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, Near Los Angeles Comment
  UCR212814  Clematis ligusticifolia Ellen Mackey, Barbara Eisenstein 2002-10-22 NFWF- 1749 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, San Gabriel River watershed. [South of Hwy 60, east of San Gabriel Blvd, at Rio Hondo] 66 Comment
  UCR273386  Clematis ligusticifolia R. G. Swinney 2011-10-18 15815 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
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Aug 24 2017
  RSA165292  Cleome isomeris Mark Parratt 1962-4-29 221 Los Angeles About 4 miles down Bakersfield side of Grapevine summit on road to Bakersfield. 762 Comment
  CAS-BOT-BC423126  Cleomella obtusifolia Carl B. Wolf 1932-9-15 4086 Los Angeles Mojave Desert. Antelope Valley. 2 blocks W. of center of town of Lancaster. 718 Comment
  POM78977  Collinsia childii I. M. Johnston 1925-7-8 5291 Los Angeles south trail to Baldy Lookout 1646 Comment
  LA2023  Collinsia heterophylla A. M. Johnson; 1925-4-26 4575 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
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Jun 25 2015
  POM49311  Collinsia heterophylla Marcus E. Jones 1882-5-3 s.n. Los Angeles Pasadena. Comment
  SBBG66394  Collinsia heterophylla R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR88702  Collinsia heterophylla Scott D. White, Chet McGaugh 1995-5-9 2982 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA763501  Collinsia heterophylla Orlando Mistretta, Christine Mistretta 2008-5-20 3146 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 99B per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1237 Comment
  RSA80170  Collinsia heterophylla F. W. Peirson 1921-6-21 4492 Los Angeles west fork of San Gabriel River 762 Comment
  SEINET10317249 Image available Collinsia wrightii Wesley O. Griesel 1962-6-6 Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  RSA668074  Colutea arborescens Michael C. Long 2002-4-24 MC- 834 Los Angeles San Gabriel Mountains. Monrovia, Northern foothills of city Briarcliff Rd., 0.2 miles W of Ridgeside dr. 305 Comment
  UCR213791  Colutea arborescens Scott D. White, Justin M. Wood, Chris Huntley, Jamie Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains, Millard Canyon, north of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lower Fire Road 707 Comment
  RSA467077  Comarostaphylis diversifolia subsp. planifolia Anstruther Davidson 1900-05 s.n. Los Angeles Sierra Santa Monica Cal. Las Tunas Canyon near its head Comment
  LA32182  Conium maculatum Peter H. Raven; Henry J. Thompson 1959-9-27 14511 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  UC303079  Constancea nevinii T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  RSA0113730  Convolvulus arvensis Steven A. Junak 1999-5-21 SCa- 970 Los Angeles Santa Catalina Island. On E side of KBRT Valley, E of radio antennas. 457 Comment
  UCR216375  Convolvulus simulans Dan S. Cooper 2010-4-19 410- 53 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Western Canyon Rd. near 'one-mile tree', Griffith Park 258 Comment
  SEINET3132424  Conyza bonariensis G. B. Grant 1906-8-7 411 -A Los Angeles Pasadena Comment
  POM355845  Conyza canadensis Anstruther Davidson 1890-09 s.n. Los Angeles Los Angeles Comment
  SD244811  Cordylanthus filifolius David Keil 1986-9-27 19738 2 Los Angeles NW Los Angeles County: Along I-5, just S of Hungry Valley Road Exit; roadside pullout. 914 Comment
  UCR124722  Cordylanthus nevinii B. C. Templeton 1932-8-25 5068 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA732778  Cordylanthus rigidus subsp. setiger R. G. Swinney 2000-6-19 7818 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  JEPS70059  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-28 2840 Los Angeles near Malibu Trancas Lake (off Encinal Canyon road.); upper Trancas Canyon 457 Comment
  UC219138  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Flat of San Gabriel River San Antonio Mountains 1371 Comment
  CAS-BOT-BC287861  Coreopsis californica Marjorie Shaw; Edna Spaulding; Mrs. C. L. Walton 1917-4-6 s.n. Los Angeles E end Antelope Valley Comment
  CAS-BOT-BC287875  Coreopsis californica Timothy S. Ross; J. M. Porter 1994-5-1 7606 Los Angeles SW Mojave Desert: ca 1740 m S of Black Butte and 1000 m W of Three Sisters buttes 947 Comment
  CAS-BOT-BC105748  Corethrogyne filaginifolia Ralph Hoffmann 1930-7-7 s.n. Los Angeles Santa Rosa Island Comment
  SEINET10615503  Corethrogyne filaginifolia var. filaginifolia David B. Dunn 1941-2-23 Dunn 693 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  UCD112971  Cotoneaster pannosus Robert F. Thorne 1971-3-18 41491 Los Angeles San Gabriel Mts.; Cobal Canyon; c. 3 mi N of Claremont. 502 Comment
  UCR136329  Crassula colligata subsp. lamprosperma Bob Muns 2002-5-28 s.n. Los Angeles Transverse Range, San Gabriel Mtns, Santa Fe Dam Recreation Area, old San Gabriel River floodplain, on side of road leading to the Lario San Gabriel River Trail parking area, just north of Foothill Blvd in the city of Irwindale 143 Comment
  LA47627  Crassula connata Henry J. Thompson; 1960-3-13 3019 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UCR186935  Crassula connata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32076 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  UCR231154  Crassula connata R. F. Thorne, James Henrickson 1963-5-5 32307 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  SBBG131999  Cressa truxillensis S. A. Junak 1996-4-12 SCI 297 Los Angeles E side of Skink Alley Rd, in swale N of Peak 597, 1 mi NE of San Clemente Ridge Rd, just S of artificial vernal pond 140 Comment
  RSA598217  Crossosoma californicum Sara L. Crockett 1996-12-7 555 Los Angeles [Santa Catalina Island], 2 miles E of USC Marine Center on Two Harbors Road (from Little Harbor) 335 Comment
  RSA85073  Crossosoma californicum F. W. Peirson 1923-4-11 3444 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  SD112003  Crossosoma californicum Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island Comment
  UC11996  Crossosoma californicum Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  CHSC93232  Croton californicus John Dittes 2005-11-26 1300 Los Angeles Western Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. Highschool; wash of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UCR213407  Croton californicus A. C. Sanders, Dan S. Cooper 2010-3-12 37340 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET12143264  Croton californicus C. G. Pringle 1882-1 s.n. Los Angeles Wilmington Comment
  UCSB7435  Croton setiger Wedberg, H. 1958-7-14 Los Angeles Faculty Hill, UCLA Campus Comment
  CAS-BOT-BC190077  Crypsis schoenoides Grace Cole Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas. Comment
  UCR274358  Crypsis schoenoides Steven A. Junak 1999-9-11 SCa- 1098 Los Angeles California Islands, Santa Catalina Island. West side of upper Buffalo Springs reservoir 433 Comment
  UCR189949  Cryptantha R. G. Swinney 1998-8-31 6869 Los Angeles San Gabriel Mtns., San Antonio Ridge, 0.9 mi. west of Mt. Baldy, east of saddle 2500 Comment
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Feb 19 2020
  UCR216687  Cryptantha Dan S. Cooper 2010-4-19 410- 50 B Los Angeles Western Transverse Range; eastern Santa Monica Mtns., trail between Mt. Hollywood and the observatory, Griffith Park 410 Comment
  UCR277059  Cryptantha R. G. Swinney 2011-9-22 15676 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
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Feb 19 2020
  OBI26280  Cryptantha Mark Schneider 1973-5-14 27 Los Angeles Tip of shalow island pl Sun Valley, Verdugo Mts 549 Comment
  UC857159  Cryptantha barbigera I. W. Clokey 1929-7-11 4591 Los Angeles w of Mandeville Canyon 350 Comment
  RSA756958  Cryptantha barbigera var. barbigera Orlando Mistretta, Christine Mistretta 2008-4-14 2453 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1240 Comment
  JEPS67522  Cryptantha circumscissa J. Burtt Davy May 9 1896-May 24 1896 2209 Los Angeles Antelope Valley Comment
  POM368341  Cryptantha circumscissa Anstruther Davidson 1904-6-1 1376 Los Angeles Mt. Wilson. Comment
  RSA585934  Cryptantha circumscissa T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2943 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  UCR280905  Cryptantha circumscissa R. G. Swinney 2014-4-23 16159 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA0119003  Cryptantha circumscissa var. circumscissa A. C. Sanders, T. B. Salvato, Mitch Provance, Aaron Keller 2007-4-12 33383 Los Angeles Western Antelope Valley: Neenach, south of Hwy 138 at end of 290th St. West, toe of hills between Horse Camp and Cow Spring canyons and into mouth of Cow Spring Canyon. 945 Comment
  SD69705  Cryptantha clevelandii Robert F. Thorne 1966-4-29 36298 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  RSA3732  Cryptantha clevelandii var. florosa C. B. Wolf 1932-5-10 3522 Los Angeles Equestrian trail back of Avalon. Santa Catalina [Island]. 244 Comment
  POM368217  Cryptantha corollata Robert Gustafson 1978-5-2 927 Los Angeles Off the dirt road running through the southern part of Hungry Valley, northeast of the Lane Ranch, near the base of Freeman Canyon, about 4 miles south of Gorman 1006 Comment
  RSA518028  Cryptantha dumetorum Steve Boyd 1986-3-31 1576 a Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  CATA743  Cryptantha intermedia Mark L. Hoefs 1991-5-22 1268 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  UC1212105  Cryptantha intermedia Peter H. Raven 1960-5-15 15370 Los Angeles 5.1 mi nw Rambla Pacifica (Piuma Road); Santa Monica Mountains 213 Comment
  UCR177161  Cryptantha intermedia LeRoy Gross 2001-5-6 382 Los Angeles Los Angeles Basin; Verdugo Mountains, Sun Valley, along trail that comes up from Morning Glow Way off of La Tuna Canyon Road 378 Comment
  UCR217130  Cryptantha intermedia R. G. Swinney 2009-3-6 10050 Los Angeles San Gabriel Mtns. Foothills/San Gabriel Valley, 1.2 miles north of Foothill Blvd. on east side of Encanto Parkway, confluence of Van Tassel and San Gabriel canyons at west bank of San Gabriel River channel, Azusa/Duarte boundary 201 Comment
  UCR230251  Cryptantha intermedia Dan S. Cooper 2011-4-28 411- 2 Los Angeles San Gabriel Valley/San Gabriel Mtns. Foothills, Padua Park, off Padua Ave. near Claremont 559 Comment
  POM3893  Cryptantha intermedia C. F. Baker 1903-4-1 4137 Los Angeles Claremont Comment
  RSA653843  Cryptantha micromeres Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 767 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  SEINET8044069 Image available Cryptantha micromeres R. G. Swinney 2010-1 11887 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CHSC95844  Cryptantha microstachys LeRoy Gross; Laura Moore 2000-6-5 221 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  LA31589  Cryptantha microstachys Henry J. Thompson; 1959-5-24 sn Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  UCR273402  Cryptantha microstachys R. G. Swinney 2011-4-26 14482 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
  UCR95326  Cryptantha microstachys L. C. Wheeler 1967-5-9 9413 Los Angeles San Gabriel Mtns., Aliso Canyon, east of Acton, c. 2 mi. downstream from Wagonwheel Ranch 945 Comment
  LA94317  Cryptantha muricata A. M. Johnson; 1932-5-30 4094 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA0087036  Cryptantha muricata R. G. Swinney 2010-3-30 12122 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  UCR147283  Cryptantha muricata Orlando Mistretta 1992-8-20 773 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  RSA0079153  Cryptantha muricata var. denticulata P. A. Munz 1923-8-31 7678 Los Angeles Ridge south of Swartout Valley, [San Gabriel Mountains]. 2576 Comment
  UCR186917  Cryptantha nemaclada A. C. Sanders 2006-4-25 32174 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
  RSA0117722  Cryptantha nevadensis var. rigida A. C. Sanders 2007-4-25 33572 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1128 Comment
  UCR141159  Cryptantha pterocarya var. pterocarya June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  RSA0079046  Cryptantha pterocarya var. pterocarya L. C. Wheeler 1968-5-27 s.n. Los Angeles San Gabriel Mountains: Alimony Ridge. 1494 Comment
  UCR193575  Cryptantha similis R. G. Swinney 1999-4-5 7060 B 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
  SD222117  Cryptantha wigginsii Emma Clohessy, Chris Orosz 2012-5-27 Los Angeles Santa Catalina Island. West-facing road cut, on road between Cherry Cove and Howland's Landing 50 Comment
  LA212024  Cuscuta Duncan Bell; Caitlin Elam, Evan Meyer 2013-6-13 5138 Los Angeles SAN GABRIEL MOUNTAINS, Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898.0 Comment
  CAS-BOT-BC224485  Cuscuta californica John Thomas Howell 1942-10-19 17871 Los Angeles Charlton Flat, San Gabriel Mts. Comment
  RSA409746  Cuscuta salina F. R. Fosberg 1930-6-26 3048 Los Angeles Lower Ballona Creek. 8 Comment
  LA202427  Cuscuta salina var. major Arthur C. Gibson; 2004-8-5 3399 Los Angeles Santa Monica Mountains, Malibu Lagoon 0 Comment
  RSA127980  Cuscuta subinclusa H. J. Thompson 1958-10-22 1810 Los Angeles Griffith Park. 381 Comment
  UCSB4999  Cuscuta subinclusa Ballard 1954-2-16 Los Angeles On Pomona College Campus 259 Comment
  UCR206129  Cycladenia humilis var. venusta R. G. Swinney 2008-6-10 8997 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UC1586230  Cyclospermum leptophyllum Tim Ross and Annette Ross 1991-8-4 5742 Los Angeles California State Polytechnic University, Pomona Comment
  RSA0059449  Cylindropuntia echinocarpa Steve Boyd, Lauren Raz 1996-10-14 9056 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  RSA585246  Cynodon dactylon L. C. Wheeler 1933-11-19 2270 Los Angeles San Gabriel Canyon. 335 Comment
  UCD60024  Cynodon dactylon Gordon Pilone 1960-5-19 46 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  RSA0115824  Cyperus Steven A. Junak 1999-9-10 SCa- 1082 Los Angeles Santa Catalina Island. Just S of Bulrush Canyon Trail, in upper reaches of canyon drainage. 439 Comment
  RSA602179  Cyperus difformis L. C. Wheeler 1946-11-10 6442 -B Los Angeles Rosemead: Rio Hondo at Rosemead Blvd. Comment
  RSA608454  Cyperus eragrostis L. C. Wheeler 1946-9-8 6351 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, 1/2 - 3/4 mile W of Bear Creek. 518 Comment
  SBBG131510  Cyperus eragrostis S. A. Junak 1999-7-17 SCa 1068 Los Angeles W end of "Rig Field", plant stop 213 Comment
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Jul 28 2016
  RSA219136  Cyperus erythrorhizos L. C. Wheeler 1931-9-6 147 Los Angeles Puddingstone Lake, San Jose Hills, S San Dimas. 259 Comment
  CAS-BOT-BC114306  Cyperus esculentus George B. Grant 1902-5-1 245 Los Angeles Los Angeles. Comment
  RSA365128  Cyperus involucratus James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  UCR255495  Cyperus involucratus Dan S. Cooper 2014-6-26 614- 73 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  RSA703839  Cyperus odoratus A. C. Sanders, Mark A. 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
  UCR129691  Cystopteris fragilis R. F. Thorne 1971-6-30 40791 Los Angeles San Gabriel Mtns., south fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area 1555 Comment
  UC1870231  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road f 457 Comment
  RSA584176  Dactylis glomerata Timothy S. Ross, Steve Boyd 1990-5-15 2529 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA250504  Datisca glomerata R. F. Thorne 1967-10-10 37378 Los Angeles Angeles National Forest: Cortelyou Springs. 2073 Comment
  UCR95739  Datisca glomerata Lauren Raz, Steve Boyd 1996-10-23 036 Los Angeles San Gabriel Mtns, Liebre Mountains: Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road 610 Comment
  RSA760605  Datura wrightii R. G. Swinney 2008-12-2 9926 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UCR231387  Datura wrightii Dan S. Cooper 2011-10-6 1011- 122 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon, debris basin at north end of picnic area 205 Comment
  UC26106  Datura wrightii Brewer Dec 1860 89 Los Angeles Los Angeles Comment
  RSA574341  Daucus pusillus R. G. Swinney 1994-5-7 2827 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  RSA600200  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-29 9914 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  SBBG108954  Deinandra clementina S. A. Junak 1997-4-22 SCl 846 Los Angeles fork in Chamish Cyn, N side of S fk of cyn 115 Comment
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Apr 30 2012
  JEPS30635  Deinandra fasciculata Peter H. Raven and Henry J. Thompson 1959-5-5 14113 Los Angeles 1 mi w Las Virgenes Rd. (Mulholland Hwy., Malibu Creek drainage); Santa Monica Mountains, Malibu Creek 274 Comment
  UC88934  Deinandra fasciculata T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UC897744  Deinandra fasciculata Ezra C. Knopf 140 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC131006  Deinandra minthornii Scott D. White 1995-10-11 3694 Los Angeles S of Santa Susana Pass Rd., off Lilac Ln., near foot trail E of rd. 502 Comment
  SD215632  Delphinium cardinale Louis C. Wheeler 1947-6-27 6531 Los Angeles San Gabriel Mountains: San Gabriel Wash, Ao mile south of Arrow Highway Comment
  RSA394503  Delphinium cardinale Geo. L. Moxley 1915-7-4 363 Los Angeles Arroyo Seco Canyon, San Gabriel Mountains. Comment
  RSA771589  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA600075  Delphinium parishii subsp. parishii Steve Boyd, Lauren Raz 1997-5-20 9830 Los Angeles Liebre Mountains region: ''Radio Tower Summit'' of Liebre Mountain on the divide between Horse Camp Canyon and Castaic Creek drainages. 1756 Comment
  UCD96268  Delphinium parryi Gerald Dickinson 1962-4-24 27 Los Angeles 1 mi. W. Old Topanga Canyon Rd - Mulholland. Santa Monica Mountains. 396 Comment
  UCR211812  Delphinium parryi Valerie Soza, LeRoy Gross 2001-5-22 1240 Los Angeles Transverse Ranges; San Gabriel Mountains, Morgan Fire 2000 area, between Morgan and Sycamore Canyons, WSW of Sycamore Flat 648 Comment
  SDSU10048  Delphinium parryi D. F. Howe 1947-5-3 1548 Los Angeles Mint Canyon, Mojave Desert. Comment
  OBI60238  Delphinium patens Stacie Call, Patrick Tennant 1994-3-29 s.n. Los Angeles Big Tujunga Wash, Angeles Natl Forest, San Gabriel Mts. Exit E bound 210 fwy at Sunland Ave Turn rt (east) and go to Oro Vista Rd. N on Oro vista to N Trl cyn. Turn left and follow to end 1000 Comment
  JEPS6111  Delphinium patens subsp. hepaticoideum Ira W. Clokey, B. Templeton 1929-4-1 4433 Los Angeles Mandeville Canyon Santa Monica Mountains 425 Comment
  OBI71767  Dendromecon rigida Tony Simon 1994-4-30 12 Los Angeles San Gabriel Mts. Big Tujunga Cyn Rd. 6 mi past jctn with Angeles Crest hwy- trl on left of road 762 Comment
  RSA433226  Dendromecon rigida F. R. Fosberg 1930-2-12 S 4207 Los Angeles Mint Canyon, San Gabriel Mts. 750 Comment
  SD253511  Dendromecon rigida R. G. Swinney 2011-5-19 14788 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 mile at 84 degrees SSE of ct. of Colby Ranch Rd. and FSR 3N19, upper Colby Canyon. 1018 Comment
  RSA594849  Deschampsia danthonioides Steve Boyd, Lauren Raz 1996-10-8 8978 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UC534834  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles San Gabriel Mts., Horse Flats 1676 Comment
  RSA755842  Deschampsia elongata R. G. Swinney 2008-7-2 9115 Los Angeles Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 1976 Comment
  UCR193444  Descurainia pinnata R. G. Swinney 1999-6-18 7278 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CAS-BOT-BC43171  Descurainia pinnata subsp. brachycarpa Timothy S. Ross; Steve Boyd 1994-5-4 7629 Los Angeles Liebre Mountains. San Francisquito Canyon. Headwaters of the canyon, northeast of Green Valley. 1075 Comment
  UCR273181  Dichelostemma capitatum R. G. Swinney 2011-5-6 14617 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 854 Comment
  RSA188198  Dichondra occidentalis R. F. Thorne, P. C. Everett 1965-6-24 35020 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
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Jan 14 2008
  RSA0066385  Dichondra repens Doris Bowers 1969-9-27 241 Los Angeles Palos Verdes Pen. 305 Comment
  RSA602820  Digitaria sanguinalis L. C. Wheeler 1931-8-6 S- 42 Los Angeles 2.5 miles NE of La Verne 412 Comment
  CHSC26280  Diplacus brevipes Dan Prettyman 1962-4-26 Los Angeles Switzers Inlet. 914 Comment
  CAS-BOT-BC195607  Distichlis spicata W. A. Silveus 1938-6-19 3692 Los Angeles Long Beach Comment
  UC817161  Distichlis spicata F. R. Fosberg 1931-5-14 718 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon Comment
  RSA603541  Dodecatheon clevelandii subsp. insulare Sara L. Crockett 1997-1-18 556 Los Angeles Santa Catalina Island. Knobby ridge 0.6 miles WSW of Coach Road (to Airport), from point 0.2 miles W of jct. with Middle ranch road. 424 Comment
  RSA461353  Dodecatheon clevelandii subsp. insulare Reid V. Moran 1941-2-16 571 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  RSA748800  Dodecatheon redolens R. G. Swinney 2001-8-11 8033 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  RSA0025151  Draba albertina Jane Tirrell 2012-6-11 LS 0063 Los Angeles Lily Spring; north-facing forested slope near spring pproximtely 0.25 miles northwest of Mt Hawkins 2455 Comment
  UC205855  Draba corrugata I. M. Johnston 1917-7-4 1416 Los Angeles summit Baldy (Southern California); San Antonio Mountains, summit of Baldy 3048 Comment
  RSA230384  Draba corrugata var. corrugata R. F. Thorne, M. Z. Thorne 1969-7-10 38354 Los Angeles San Gabriel Mts; Angeles National Forest; ca. 1 mile W of Wrightwood along Wrightwood-Big Pines Hwy. 1950 Comment
  CAS-BOT-BC41705  Draba cuneifolia var. sonorae Dr. A. Davidson 1891-1-1 s.n. Los Angeles Los Angeles. Comment
  POM48460  Drymocallis glandulosa var. wrangelliana Philip A. Munz 1925-3-16 9359 Los Angeles Cobal Canyon, north of Claremont. 488 Comment
  CLARK-A1528-3593  Dryopteris arguta John C. Roos 1942-3-21 1099 Los Angeles San Gabriel Mountains Comment
  RSA0105037  Dryopteris arguta R. G. Swinney 2011-10-18 15805 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA610547  Dryopteris arguta L. C. Wheeler 1968-8-20 s.n. Los Angeles Los Pinetos Canyon Spring. 854 Comment
  RSA692507  Dryopteris arguta M. B. Dunkle 1933-6-17 3598 Los Angeles San Antonio Canyon Comment
  UCR276755  Dryopteris arguta R. G. Swinney 2010-8-11 13486 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  RSA657929  Dudleya F. R. Fosberg 1980-6-2 25 Los Angeles Verdugo Mountains Region: 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  HSC6465  Dudleya caespitosa David Porter 1965-5-16 Los Angeles 1 mi. off Mulholland Hwy. on Canyon Rd. 305 Comment
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May 12 2016
  CAS-BOT-BC428117  Dudleya cymosa subsp. cymosa Timothy S. Ross; Steve Boyd 1994-5-11 7832 Los Angeles Liebre Mountains. Elizabeth Lake Canyon: dogleg bend in the canyon between the influxes of Warm Springs Canyon (from the W) and Ruby Canyon (from the E). 627 Comment
  CAS-BOT-BC428120  Dudleya cymosa subsp. cymosa K. Nakai 1980-5-25 608 Los Angeles Santa Monica Mountains, Arroyo Sequit in UCLA-NLWRS Reserve next to Camp JCA (Jewish Community Association) ca. 2.5 km south of junction of Mulholland Hwy. and Little Sycamore Rd. on Mulholland Hwy. 209 Comment
  UC1015362  Dudleya cymosa subsp. ovatifolia Reid Moran 1948-5-28 3079 Los Angeles 2.3 mi above mouth of Topanga Canyon (cliffs on e side of canyon opposite roadside spring) Comment
  RSA602444  Dudleya cymosa subsp. pumila Scott D. White 1997-5-8 5077 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  CAS-BOT-BC428411  Dudleya lanceolata Alice Eastwood 1919-6-20 9043 Los Angeles Mt. Wilson Comment
  RSA293551  Dudleya lanceolata Lyman Benson 1954-6-27 15302 Los Angeles Little Dalton Canyon, above Glendora. 426 Comment
  UCR275008  Dudleya lanceolata Michael Honer, Rachel Woodard 2006-4-21 2220 Los Angeles Tehachapi Mountains area:, Slopes above Oso Canyon; c. 2 miles north of Quail Lake; 1.2 miles west of cement plant rd. 1006 Comment
  RSA632832  Dudleya lanceolata R. F. Thorne 1971-6-17 39955 Los Angeles San Gabriel Mountains: LIttle Tujunga Creek 457 Comment
  CAS-BOT-BC109739  Dudleya virens subsp. hassei Jim Dice; Michael Donoghue; Terry Martin 1983-5-20 346 Los Angeles Santa Catalina Island, northeast-facing slope above Pebbly Beach Drive, between Avalon Bay and Abalone Point. 22 Comment
  RSA167783  Dudleya virens subsp. hassei K. Thorne, P. C. Everett 1964-2-7 s.n. Los Angeles Santa Catalina Island. Just E of Avalon on rd to Pebbly Beach 8 Comment
  SBBG118505  Dysphania ambrosioides L. C. Wheeler 1967-5-29 9769 Los Angeles San Antonio Cyn, SW of Spring Hill 883 Comment
  UCR217826  Dysphania multifida Dan S. Cooper 2010-7-7 710- 86 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA374949  Echinochloa crus-galli S. Granger 1985-9-18 LASCA- 840 Los Angeles Glendora. Comment
  RSA608255  Echinochloa crus-galli L. C. Wheeler 1966-10-25 9060 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA610545  Echinochloa crus-galli L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Canyon Spring. 854 Comment
  UCR210478  Echinochloa crus-galli R. G. Swinney 2008-11-30 9899 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  RSA699879  Echium candicans LeRoy Gross 2004-3-19 1207 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. 502 Comment
  UCR73177  Eclipta prostrata Scott D. White 1992-10-8 913 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  HSC8367  Ehrendorferia chrysantha C. S. Apperson 1967-6-20 Los Angeles 2 mi. E of Sierra Pelona lookout, off Big Oak Tree trail Comment
  UCSB3675  Ehrendorferia chrysantha Kamb, Peter 1947-6-30 Los Angeles Upper Sonoran Zone, San Gabriel Canyon road below Crystal Lake, San Gabriel Mts. 1371 Comment
  UC1587706  Ehrharta calycina Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5082 Los Angeles San Clemente Island, at West Cove, sw of the new landing field West Cove; San Clemente Island, West Cove 6 Comment
  SD252242  Ehrharta erecta Steven A. Junak 1999-7-17 Sca 1071 Los Angeles Santa Catalina Island. At Middle Ranch, Janet Takara's house, N side of house. 213 Comment
  UCR179244  Eleocharis montevidensis R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
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Nov 5 2010
  RSA365360  Eleocharis montevidensis Grethe Markedahl 1923-4-23 s.n. Los Angeles San Gabriel River. Comment
  RSA0118866  Eleocharis parishii A. C. Sanders 2006-5-16 32333 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake. 991 Comment
  RSA639097  Eleocharis parishii L. C. Wheeler 1966-10-1 8927 Los Angeles San Gabriel Mountains: Big Tujunga Canyon at Colby Ranch Road. 960 Comment
  UCR126829  Elymus condensatus A. C. Sanders 2003-6-19 26978 Los Angeles Western Transverse Range/Santa Clara River Watershed, hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch 412 Comment
  UCR149519  Elymus elongatus R. G. Swinney 1997-6-25 5635 Los Angeles San Gabriel Mtns., west of Wrightwood, Mountain High Ski Resort runway, c. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  CAS-BOT-BC227930  Elymus elymoides Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  CAS-BOT-BC206741  Elymus glaucus subsp. glaucus John H. Thomas 1957-5-25 6771 Los Angeles Western Side of Santa Anita Canyon about 7 miles NNe of Pasadena, San Gabriel Mountains Comment
  CAS-BOT-BC206752  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-20 2207 Los Angeles South side San Jacinto Mountains. 1645 Comment
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Oct 10 2020
  RSA656843  Elymus glaucus subsp. jepsonii Valerie L. Soza, LeRoy Gross 2000-6-15 1022 Los Angeles South-facing slope of southeastern extension of Lookout Mountain, below firebreak, ca. 0.25 mile SE of summit. 1859 Comment
  UCR142888  Elymus glaucus var. glaucus L. C. Wheeler 1936-6-12 4153 Los Angeles San Gabriel Mtns, Monroe Canyon 549 Comment
  RSA0038709  Emmenanthe penduliflora R. G. Swinney 2010-3-22 12002 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA596832  Emmenanthe penduliflora Tim S. Ross, J. Mark Porter 1995-5-4 8468 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  UCR271678  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-31 14926 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA725191  Encelia actoni Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -99 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
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Aug 28 2015
  SDSU3820  Encelia actoni D. F. Howe 1959-5-3 2718 Los Angeles 25 mi. west of Lancaster. Comment
  CAS-BOT-BC131191  Encelia californica I. Johnston 1917-4-11 s.n. Los Angeles Dominguez Mesa Comment
  RSA661028  Encelia californica Orlando Mistretta 1992-4-5 171 Los Angeles Guds, San Clemente Island. Comment
  UC895499  Encelia californica Ira W. Clokey, B. Templeton 1929-3-1 4453 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UCR178590  Encelia farinosa R. G. Swinney 1969-4-22 344 Los Angeles San Gabriel Valley, west side of junction of Sierra Madre Avenue and Vernon Ave., Azusa 198 Comment
  LA211928  Ephedra nevadensis R. G. Swinney; 2010-5-12 12770 Los Angeles SAN GABRIEL MOUNTAINS, Carr Canyon above Mount Emma road crossing, 0.6 miles E of Littlerock Creek confluence with Carr Canyon. 945.0 Comment
  NY70330  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton, Mojave Desert 1585.0 Comment
  RSA383866  Ephedra nevadensis Anstruther Davidson 1922-7-1 3564 Los Angeles Llano. SW Mojave Desert. Comment
  RSA384595  Ephedra nevadensis L. E. Hoffman 1931-11-9 s.n. Los Angeles Near Lancaster, Mohave Desert. Comment
  UC215362  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles Prairie Fk. San Gabriel River; Southern California, San Antonio Mountains, San Gabriel Rive 1524 Comment
  UC1083315  Ephedra viridis H. L. Mason 1926-4-26 2960 a Los Angeles 4 mi w of Sanger Comment
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Jul 31 2014
  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
  CAS-BOT-BC166260  Epilobium canum subsp. canum G. L. M. 1904-9-7 281 Los Angeles Arroyo Seco Canyon Comment
  RSA0094178  Epilobium canum subsp. canum R. G. Swinney 2011-11-3 15998 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
  RSA588436  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  SBBG13589  Epilobium canum subsp. canum E. R. Blakley 1962-10-3 5385 Los Angeles near Wrigley Reservoir at the summit of the island rd 426 Comment
  SBBG38642  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles Mosquito summit Comment
  CAS-BOT-BC171923  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-9-20 153 Los Angeles Barrett Canyon, off San Antonio Canyon, San Gabriel Mts. 1310 Comment
  POM8105  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-8-29 s.n. Los Angeles Mt. Waterman Ridge. Comment
  RSA230263  Epilobium canum subsp. latifolium Robert F. Thorne 1969-7-2 38303 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  SEINET13387043 Image available Epilobium canum subsp. latifolium R. G. Swinney 2011-1 15725 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  RSA594655  Epilobium ciliatum Louis C. Wheeler 1967-7-30 10267 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  UCR189862  Epilobium ciliatum R. G. Swinney 1998-7-28 6513 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
  UCSB11813  Epilobium ciliatum Breedlove, Dennis 1961-9-24 Los Angeles Middle Ranch Canyon, 0.5 mi above Ben Weston Beach; Santa Catalina Island 60 Comment
  RSA311281  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, M. Z. Thorne 1969-7-10 38416 Los Angeles Along Mescal Creek. 2043 Comment
  RSA588313  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte. 91 Comment
  UCR108658  Epilobium ciliatum subsp. ciliatum L. C. Wheeler 1966-8-21 8824 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  UCR273755  Epilobium densiflorum R. G. Swinney 2011-6-15 15189 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  RSA0089518  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney 2011-8-17 15618 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA729557  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney, D. W. Larson 1999-7-21 7561 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  RSA72278  Epilobium glaberrimum subsp. glaberrimum Robert L. Dressler 1949-7-23 936 Los Angeles 3 mi. E of Crystal Lake, San Gabriel Mtns. 2134 Comment
  UC845350  Epipactis gigantea I. W. Clokey 1935-4-29 6560 Los Angeles San Gabriel Canyon Comment
  UCR131520  Epipactis gigantea George H. Grinnell 1939-5-21 s.n. Los Angeles Los Angeles Comment
  UCR194590  Epipactis gigantea R. G. Swinney 1999-6-21 7364 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA0034625  Epipactis gigantea Bonnie C. Templeton 1936-5-18 5665 Los Angeles San Gabrie1 Canyon, 1/2 mile below dam. [San Gabriel Mounntains]. Comment
  RSA684650  Equisetum arvense L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  SBBG27188  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  CHSC8348  Equisetum hyemale subsp. affine Edward L. Smith 1957-5-30 10 Los Angeles Located in Little Dalton Canyon, San Gabriel Mtns. 365 Comment
  LA33494  Equisetum laevigatum Peter H. Raven; 1959-10-25 14701 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  UCR258775  Equisetum laevigatum R. G. Swinney 2010-6-23 13343 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
  POM959  Equisetum laevigatum I. M. Johnston 1917-5-13 27 Q Los Angeles El Monte 106 Comment
  LA210782  Equisetum telmateia subsp. braunii Arthur C. Gibson; 2004-3-10 5010 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, along nature trail in bottom of canyon. 146 Comment
  RSA613269  Eragrostis mexicana subsp. virescens L. C. Wheeler 1976-7-28 s.n. Los Angeles Long Beach: Long Beach Freeway at Carson Street just north of San Diego Freeway 9 Comment
  SEINET239013 Image available Eragrostis orcuttiana Beecher Crampton 1965-10-27 7589 Los Angeles Ca. 2.6 miles southwest of Saugus US Hwy 99 Comment
  UCR143294  Eragrostis orcuttiana L. C. Wheeler 1931-9-1 47 Los Angeles Transverse Ranges; San Gabriel Mountains region, Citrus grove 2 miles north of Claremont 412 Comment
  OBI28061  Eremothera David J. Keil, Dirk Walters 1977-4-30 12301 Los Angeles Ridge Rte ca 2 mi S of jctn with Los Angeles Co Rd N-2 1280 Comment
  UCR190381  Eriastrum R. G. Swinney 2001-6-2 7964 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
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May 3 2012
  CAS-BOT-BC514258  Eriastrum densifolium subsp. austromontanum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles San Gabriel Mts.: Mt. Wilson 1794 Comment
  RSA0104341  Eriastrum densifolium subsp. austromontanum I. M. Johnston 1917-7-28 1587 Los Angeles San Antonio Canyon. 1601 Comment
  SBBG118934  Eriastrum sapphirinum S. D. White with P. De Vries 2004-6-14 10502 Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  UCR155384  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2005-5-24 30279 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  UCR270833  Eriastrum sapphirinum R. G. Swinney 2011-5-24 14798 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  CAS-BOT-BC514937  Eriastrum sapphirinum subsp. brevibracteatum A. D. E. Elmer 1902-6-1 3666 Los Angeles Palmdale Comment
  RSA670693  Ericameria cooperi B. C. Templeton 1947-5-21 6279 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  SEINET7063585  Ericameria cooperi var. cooperi A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Pearblossom Highway. UTM Zone 11, 410583mE, 3820399mN. (WGS84/NAD83). 887 Comment
  SDSU3907  Ericameria ericoides F. Young Berg 2835 Los Angeles Vacant lot east of Eli p. Clark Hall, Pomona College, Claremont. Comment
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Feb 6 2016
  POM359348  Ericameria ericoides var. ericoides Richard Arnold 1984-8-10 1035 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue survey), Area V1. Comment
  CAS-BOT-BC287624  Ericameria linearifolia Timothy S. Ross; Steve Boyd 1994-5-25 7923 Los Angeles Liebre Mts. 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
  JEPS32960  Ericameria linearifolia E. R. Blakley 1958-5-9 2277 Los Angeles 2 mi e Gorman 1097 Comment
  LA202489  Ericameria linearifolia Harvey Anderson; 1932-3-31 sn Los Angeles Peace Valley [ESE of Gorman] Comment
  RSA191192  Ericameria linearifolia R. F. Thorne, M. Z. Thorne 1967-7-19 37142 Los Angeles San Gabriel Mts., Angeles National Forest, Crytal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  UCR51001  Ericameria linearifolia A. C. Sanders, E. J. Lawlor 1988-4-3 7740 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
  UCR209451  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-10-10 9554 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  UC203111  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-26 10577 Los Angeles near High School; Lancaster Comment
  UC203113  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10585 Los Angeles 8 mi w Lancaster; Antelope Valley Comment
  SD112608  Ericameria pachylepis Darley F. Howe 1951-10-7 2161 Los Angeles Sunset Boulevard, about 1 miles west of Westwood. Comment
  CAS-BOT-BC299513  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles La Sierra Canyon Divide, Santa Monica Mts. 518 Comment
  RSA656928  Ericameria parishii var. parishii Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1058 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  UCR209864  Ericameria parryi R. G. Swinney 2008-7-15 9199 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  CAS-BOT-BC293147  Ericameria pinifolia C. B. Wolf 1931-10-20 2465 Los Angeles 1/2 mi. above Montrose on the rd. from Tujunga to La Canada, San Gabriel Mts. 457 Comment
  POM41768  Ericameria pinifolia Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  UC111256  Ericameria pinifolia J. and H. W. Grinnell 1906-10-14 384 Los Angeles near Pasadena (foothills at Sierra Madre); Sierra Madre Comment
  UC1870150  Ericameria pinifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 285 Los Angeles Verdugo Mountains; Verdugo Mountains: Verdugo Mountainway west of Hostetter Mountainway, Near 34° 13' 9.1'' N 118° 17' 8.9'' W. Elev. 3000 Feet. 914 Comment
  UC55178  Ericameria pinifolia H. M. Hall 1903-4-1 3758 Los Angeles above Los Angeles; Verdugo Wash Comment
  RSA0001120  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  POM4666  Erigeron foliosus P. A. Munz 1918-5-19 2274 Los Angeles Pomona. Comment
  SEINET7837895  Erigeron foliosus Steve Boyd, Raz, Lauren 1997-6-18 9971 Los Angeles Liebre Mountains Region. Portal Ridge. Open ridgeline about junction of Juday Truck Trail and Troedel Motorway. South of Troedel Spring. Comment
  UCR209267  Erigeron foliosus R. G. Swinney 2008-10-8 9529 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  CAS-BOT-BC296177  Erigeron foliosus var. foliosus LeRoy Abrams; E. A. McGregor 1908-7-2 545 Los Angeles Shoemaker's, Rock Creek, San Gabriel Mountains 1158 Comment
  UC895841  Erigeron foliosus var. foliosus F. R. Fosberg 1931-7-9 S 5361 Los Angeles Avalon Santa Catalina Island, Avalon 50 Comment
  LA211884  Erigeron foliosus var. stenophyllus Orlando Mistretta; 1992-7-13 681 Los Angeles SAN GABRIEL MOUNTAINS, Los Pinetos Spring Canyon Trail. Comment
  UC63360  Erigeron philadelphicus var. philadelphicus Ernest Braunton 1902-5-10 292 Los Angeles Rivera [Pico Rivera] Comment
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May 25 2011
  POM223250  Eriodictyon crassifolium var. crassifolium Louis C. Wheeler 1933-6-24 1882 Los Angeles Verdugo Creek, Verdugo Hills. 534 Comment
  RSA594739  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  UC1922640  Eriodictyon crassifolium var. nigrescens Valerie Soza, Laura A. Moore 2000-5-10 836 Los Angeles Verdugo Mountains; north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  CAS-BOT-BC222690  Eriodictyon trichocalyx Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA652162  Eriodictyon trichocalyx Ward German 1949-4-28 s.n. Los Angeles San Dimas Park, 1 1/2 mi. N. of Hwy 66, on San Dimas Rd. 274 Comment
  UCR145185  Eriogonum angulosum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA766415  Eriogonum baileyi Fay A. MacFadden 1929-11-2 86 Los Angeles Near Palmdale 823 Comment
  RSA766417  Eriogonum baileyi Joseph A. Ewan 1932-7-23 7829 Los Angeles San Gabriel Mts. Tujunga Creek at Wickup Canyon Jct. 976 Comment
  CAS-BOT-BC241981  Eriogonum cinereum G. B. Grant 1902-7-2 s.n. Los Angeles Santa Monica Comment
  RSA229194  Eriogonum davidsonii Robert F. Thorne, C. W. Tilforth 1971-6-29 40725 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  SBBG126944  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-18 3483 Los Angeles N of Aliso Cyn, 0.3 km W of Angeles Forest Hwy, 0.9 km N of Aliso Cyn Rd; San Gabriel Mtns 1182 Comment
  UC1584048  Eriogonum davidsonii Tim Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4013 Los Angeles ne Tie Summit Station (e of Angeles Forest Hwy); San Gabriel Mountains, Tujunga Ranger District, Angeles Nati Comment
  UCR190740  Eriogonum davidsonii R. G. Swinney 2001-5-18 7931 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
  UC412911  Eriogonum elongatum var. elongatum D. L. Crawford 1915-10-27 506 Los Angeles mts. near Claremont Comment
  RSA393492  Eriogonum elongatum var. elongatum Wm. Martin 1971-10-21 s.n. Los Angeles Vasquez Rocks, vicinity of Agua Dulce. Comment
  PASA1468  Eriogonum fasciculatum Ruth M. Evans 1932-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA650855  Eriogonum fasciculatum E. S. Spalding 1948-4-5 s.n. Los Angeles 3.5 miles west [east] of Covina, California State Polytechnic College. The ravine is situated behind the main buildings and extending toward the huts, on campus. 242 Comment
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Aug 12 2014
  UCR155340  Eriogonum fasciculatum subsp. polifolium A. C. Sanders 2005-5-5 29866 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  RSA670930  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-3-16 31104 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, 91105. 284 Comment
  SEINET4557591  Eriogonum fasciculatum var. foliolosum Jeannie Gregory, Vistoria Marshall 2009-1 3252 Los Angeles Mesa Grande, Nature Conservancy (Whetly Property), 2 miles W of Morettis Junction (Pala Road & Hwy 79) E of Mesa Grande Road, 2.5 miles S of dam at Lake Henshaw. 1061 Comment
  CAS-BOT-BC250104  Eriogonum fasciculatum var. polifolium W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts Comment
  UC220996  Eriogonum fasciculatum var. polifolium A. D. E. Elmer June 1902 3661 Los Angeles Palmdale Comment
  CAS-BOT-BC250311  Eriogonum giganteum var. formosum Reid Moran 1958-9-16 6843 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 100 Comment
  CAS-BOT-BC33655  Eriogonum giganteum var. formosum Townsend Stith Brandegee 1894-8-25 s.n. Los Angeles San Clemente Island Comment
  SDSU6752  Eriogonum giganteum var. giganteum R. M. Beauchamp 1967-3-17 257 Los Angeles East fo Date 2 Storage area, east of Wilson Cove. San Clemente Island. Comment
  CAS-BOT-BC253445  Eriogonum gracile Le Roy Abrams 1900-8-1 1050 Los Angeles San Gabriel Wash Comment
  CAS-BOT-BC253456  Eriogonum gracile Alice Eastwood 1919-6-21 9049 Los Angeles San Fernando Comment
  UCR127669  Eriogonum gracile var. gracile Mark A. Elvin, Kim Marsden 2003-8-8 2970 A Los Angeles Santa Clarita Valley, Newhall Ranch, Potrero Canyon SW of the junction of Potrero Creek and the Santa Clara River 305 Comment
  POM9639  Eriogonum gracile var. gracile P. A. Munz 1920-12-5 4400 Los Angeles Claremont. 366 Comment
  RSA393226  Eriogonum gracile var. gracile Louis C. Wheeler 1933-12-21 2330 Los Angeles W side mouth of 'Big' Santa Anita Canyon. 335 Comment
  RSA139589  Eriogonum grande var. grande Reid V. Moran 1958-9-16 6846 Los Angeles San Clemente Island, 2 miles SE of Eel Point 100 Comment
  RSA65213  Eriogonum heermannii var. heermannii F. W. Peirson 1918-6-18 23 Los Angeles Rock Creek, north base of San Gabriel Mountains. 1250 Comment
  RSA587209  Eriogonum maculatum Orlando Mistretta, Christine Mistretta 1995-5-2 1663 B Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  RSA680169  Eriogonum mohavense Scott D. White 2003-6-8 9514 Los Angeles Near Lake Los Angeles. North of Avenue O and east of 150th St. E. 802 Comment
  SBBG64062  Eriogonum mohavense S. W. Hutchinson -Jun-1926 Los Angeles Los Angeles County Park Comment
  UCR190784  Eriogonum nudum R. G. Swinney 1999-7-5 7539 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
  RSA755592  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-7-15 9231 Los Angeles Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
  RSA567296  Eriogonum nudum var. pauciflorum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3971 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
  SD233342  Eriogonum nudum var. pauciflorum Jane Tirrel 2012-8-3 LS 147 Los Angeles Transverse Ranges; San Gabriel Mountains region: south side California State Route 2 at turnout approx. 300 ft. east of mile marker 67.86. Comment
  RSA766388  Eriogonum plumatella Joseph A. Ewan 1936-8-5 9964 Los Angeles Mouth of Mescal Creek. San Gabriel Mts. 1372 Comment
  UCR145792  Eriogonum plumatella June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA0073265  Eriogonum pusillum Orlando Mistretta, Christine Mistretta 2005-4-21 2070 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  CAS-BOT-BC253057  Eriogonum roseum Timothy S. Ross; Steve Boyd 1994-9-21 8281 Los Angeles Vicinity of West Summit, construed as knoll ca 85 m S of intersection of sections 3,4,9,10, , Liebre Mountains 1708 Comment
  SBBG15277  Eriogonum saxatile H. and M. Dearing 1944-10-5 5900 Los Angeles Chilao Comment
  RSA601842  Eriogonum umbellatum var. munzii Steve Boyd, Tim 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. 1585 Comment
  RSA730179  Eriogonum umbellatum var. munzii R. G. Swinney 1998-9-4 6888 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA545307  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-10 41380 Los Angeles San Gabriel Mountains, Angeles National Forest: Peak of Lookout Mountain. Comment
  RSA733569  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns.:Summit of Iron Mountain. 2427 Comment
  CAS-BOT-BC297970  Eriophyllum confertiflorum Alice Eastwood 1906-5-27 s.n. Los Angeles Laurel Canyon Comment
  RSA659362  Eriophyllum confertiflorum Ely Aguilar 1998-5-8 26 Los Angeles 0.5 miles from locked Pt. Mugu State Park entrance on the Newberry Park side 91 Comment
  UCR220367  Eriophyllum confertiflorum R. G. Swinney 2009-4-15 10344 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  JEPS30478  Eriophyllum confertiflorum var. confertiflorum Henry J. Thompson 1959-5-24 1986 Los Angeles on road cut in chaparral, Tuna Canyon, 0.3 mi n of Coast Highway; Santa Monica Mountains 45 Comment
  RSA226021  Eriophyllum confertiflorum var. confertiflorum R. F. Thorne, C. W. Tilforth 1971-6-29 40664 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1 mi. down Aliso Canyon Rd. from junction with Angeles Forest Rd. 1128 Comment
  RSA230674  Eriophyllum confertiflorum var. confertiflorum R. F. Thorne, M. Z. Thorne 1969-7-9 38472 Los Angeles San Gabriel Mountains. 2118 Comment
  RSA653768  Eriophyllum confertiflorum var. confertiflorum J. Bogdanoff-Lord 1989-5-17 17 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line and Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA658400  Eriophyllum confertiflorum var. confertiflorum R. Aguayo 1992-5-22 4 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.4 mi. west of gate, a roadside. 884 Comment
  POM357943  Eriophyllum confertiflorum var. confertiflorum B. C. Templeton 1932-8-25 5082 Los Angeles San Gabriel Mountains. 2036 Comment
  RSA92657  Eriophyllum confertiflorum var. confertiflorum F. W. Peirson 1921-7-19 2711 Los Angeles San Gabriel Mountains. 1981 Comment
  RSA0088589  Eriophyllum wallacei R. G. Swinney 2010-5-11 12672 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA190963  Erodium brachycarpum Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 36750 Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  UCD103138  Erodium brachycarpum Robert F. Thorne; Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36750 Los Angeles Santa Catalina Island, lower end of Bulrush Canyon. 182 Comment
  CATA1127  Erodium cicutarium Mark L. Hoefs 1995-5-23 2094 Los Angeles Santa Catalina Island: Middle Canyon, near Eagles Nest Lodge 124 Comment
  RSA0082894  Erodium cicutarium R. G. Swinney 2010-3-24 12046 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SFV5497  Erodium cicutarium W. A. Kelley 1966-3-12 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. 190 Comment
  UCR145187  Erodium cicutarium June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCR223468  Erodium cicutarium R. G. Swinney 2009-5-28 10934 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA533431  Erodium cicutarium Tim S. Ross 1991-4-21 4518 Los Angeles Whittier Hills (Puente Hills, proparte) Middle Turnbull Canyon drainage just SW of Old water tank. 220 Comment
  RSA712184  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-29 26152 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  UC192991  Erodium macrophyllum Samuel B. Parish Jun 1887 1906 Los Angeles Elizabeth Lake Comment
  RSA599965  Erodium moschatum Louis C. Wheeler 1968-3-21 s.n. Los Angeles San Gabriel Mountains: Glendora Ridge Truck Trail. 610 Comment
  UCR205920  Erysimum capitatum R. G. Swinney 2008-5-5 8766 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR271747  Erysimum capitatum R. G. Swinney 2011-3-26 14230 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  JEPS85803  Erysimum capitatum var. capitatum Roy E. Buck 1989-6-23 1349 Los Angeles lowermost ne-facing slope of canyon ca 0.1 air km nnw Icy Springs (26 air km nne of Glendora, just e of ruins of old stone house); San Gabriel Mountains, canyon of upper Big Rock Creek 1737 Comment
  RSA530310  Erysimum capitatum var. capitatum Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  CAS-BOT-BC55207  Erysimum suffrutescens Le Roy Abrams 1901-4-1 1200 Los Angeles Ballona Harbor. Comment
  RSA0076225  Erythranthe androsacea Orlando Mistretta, Christine Mistretta 2008-4-16 2457 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 22 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1195 Comment
  SD255812  Erythranthe cardinalis R. G. Swinney 2010-9-9 13763 Los Angeles San Gabriel Mountains: Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd (Crystal Lake 7.5'Q) Comment
  HSC87287  Eschscholzia caespitosa Steve Boyd, T. S. Elias 1987-4-14 2059 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., S of Rincon - Red Box Rd., N of Glendora Comment
  OBI69260  Eschscholzia californica John Knapp, Denise Knapp 2003-4-13 32 Los Angeles Catalina Island 141 Comment
  RSA725651  Eschscholzia californica Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 426 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  UCR277520  Eschscholzia californica Mitch Provance, Stephen Reynolds 2011-5-5 17207 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  CSUSB1752  Eschscholzia californica Keith Thompson 1970-3-29 Los Angeles Cedar Springs 1280 Comment
  SBBG38709  Eschscholzia californica R. Moran 1941-2-25 612 Los Angeles above sea, N of Wilson's Harbor 100 Comment
  SEINET12102671  Eschscholzia californica W. F. Wight 1907-1 1628 Los Angeles East Lake Park, Los Angeles Comment
  SBBG38713  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor Comment
  SD69636  Eschscholzia ramosa Robert F. Thorne, P. Everett 1965-5-11 34573 Los Angeles Santa Catalina Island, north side of north beach of Little Habor. 14 Comment
  SDSU19643  Eschscholzia ramosa Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2200 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 183 Comment
  IRVC26379  Eucalyptus camaldulensis Mark A. Elvin, Kim Marsden 2003-8-8 2979 Los Angeles Newhall Ranch, Santa Clara River, ca 100 m east of the Ventura Co. line Santa Clarita Valley 290 Comment
  CATA972  Eucrypta chrysanthemifolia Mark L. Hoefs 1994-5-21 1840 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  SD38505  Eucrypta chrysanthemifolia Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  CATA983  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1994-5-21 1855 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  UC1349359  Eucrypta chrysanthemifolia var. chrysanthemifolia Robert F. Thorne 1966-4-5 35840 Los Angeles s-facing slope above stream Cottonwood Canyon, Santa Catalina Island; Santa Catalina Island 106 Comment
  UC56878  Eucrypta chrysanthemifolia var. chrysanthemifolia W. A. Setchell 1901-3-13 Los Angeles Elysian Park Comment
  UCR213375  Euphorbia Dan S. Cooper 2010-3-20 20100320- 07 B Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET3282756 Image available Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley; Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  SBBG108974  Euphorbia spathulata S. A. Junak 1997-3-13 SCl 767 Los Angeles just E of the head of Mosquito Cyn, ca. 0.45 mi SE of Triangulation Pt "Rest" 365 Comment
  JEPS32341  Euthamia occidentalis J. Thomas Howell 1927-10-29 3179 Los Angeles se of Long Beach Comment
  UCR271835  Festuca dertonensis R. G. Swinney 2011-3-15 14078 Los Angeles San Gabriel Mountains, Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. 235 Comment
  LA201013  Festuca microstachys Carl Wishner; 1998-4-25 2589 Los Angeles SANTA MONICA MOUNTAINS, Ladyface Mountain, E arm, along Kanan Dume Rd. 250.0 Comment
  UCR203189  Festuca microstachys R. G. Swinney 2005-5-21 8256 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  CATA1831  Festuca myuros Denise Kraus 2000-4-20 10 Los Angeles Santa Catalina Island: (Goat Harbor burn area) At intersection of first ridge trending westward from western fuel break ridge (western fuel break ridge starts midway along parking loop off Airport Road). Approximately 3,200 feet north of Airport Road. At GHB Transect 4 388 Comment
  UC1922374  Festuca myuros Gary Kovnat with LeRoy Gross 2003-2-16 30 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  SD69458  Festuca perennis Robert F. Thorne, P. Everett 1965-6-23 34985 Los Angeles Santa Catalina Island: near Hotel St. Catherine in Descanso Canyon 14 Comment
  UCR223336  Festuca pratensis R. G. Swinney 2009-5-27 10857 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CATA1189  Festuca temulenta Mark L. Hoefs 1995-5-30 2190 Los Angeles Santa Catalina Island: Near Ben Weston Road 57 Comment
  RSA773831  Ficus carica R. G. Swinney 2009-6-12 11142 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
  UCR209153  Filago californica Dan S. Cooper 2009-4-22 409- 1 .2 Los Angeles Eastern Santa Monica Mtns., Burbank Peak, Griffith Park, Los Angeles 512 Comment
  RSA639563  Filago californica L. C. Wheeler 1967-5-18 9652 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  SEINET3860296  Forestiera pubescens R. G. Swinney 2009-4-24 10482 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  RSA157783  Frankenia grandifolia Peter H. Raven 1962-5-8 17631 Los Angeles Near western shore of island opposite Wilson Cove, San Clemente Island 30 Comment
  CAS-BOT-BC223753  Frankenia salina Alice Eastwood 1906-6-2 161 Los Angeles San Pedro Comment
  UC141119  Frankenia salina Ernest Braunton June 1902 497 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  CAS-BOT-BC217363  Frasera neglecta H. M. Hall 1899-6-1 1249 Los Angeles Schwartout [Swartout] Canyon, on borders of Mojave Desert, San Antonio Mountains 2042 Comment
  RSA230218  Frasera neglecta Robert F. Thorne 1969-7-2 38256 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  UCR177748  Fraxinus dipetala LeRoy Gross, Naomi Fraga 2002-4-4 522 Los Angeles Los Angeles Basin: Verdugo Mountains Region, Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet, (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. This home was burned down a long time ago, and road abandoned. 400 Comment
  RSA628305  Fremontodendron californicum subsp. californicum Louis C. Wheeler 1974-3-6 s.n. Los Angeles San Gabriel Mountains: Gold Bar mill site. Comment
  RSA649655  Fremontodendron californicum subsp. californicum Michael Horn 1991-5-7 27 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  POM11992  Fremontodendron mexicanum Fitch 1922-05 s.n. Los Angeles Pomona. Comment
  SD253513  Fumaria officinalis R. G. Swinney 2010-3-16 11956 Los Angeles San Gabriel Mountains/Verdugo Mountains: Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing within 50 m on north and south sides of I-210. 328 Comment
  POM294804  Funastrum cynanchoides var. hartwegii Robert C. Frampton 1946-6-22 s.n. Los Angeles Ganesha Park, Pomona. Comment
  POM47629  Galinsoga parviflora var. parviflora E. S. Spalding s.n. Los Angeles Garden in Los Angeles. Comment
  POM367608  Galium Fay A. MacFadden 1934-05 12945 Los Angeles Malibu Beach. Comment
  RSA0022054  Galium angustifolium R. G. Swinney 2009-4-15 10339 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  UCR174643  Galium angustifolium Jennifer H. Jones, Jay H. Jones 2006-6-4 379 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., Webb Canyon Road 457 Comment
  RSA188342  Galium angustifolium subsp. angustifolium Robert F. Thorne, M. Z. Thorne 1966-5-31 36433 Los Angeles Santa Catalina Island. Fern Canyon W of Orizaba Mt. 229 Comment
  UC1584745  Galium angustifolium subsp. angustifolium Tim Ross and Annette Ross 1991-3-7 4147 Los Angeles westerly slope just below rocky ridgetop; western Pomona, Elephant Hill 292 Comment
  JEPS40558  Galium angustifolium subsp. angustifolium Lauramay T. Dempster 1964-1-27 3981 Los Angeles Dark Canyon Angeles Crest Highway 716 Comment
  JEPS56095  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4117 Los Angeles Angeles Crest Hwy 3.6 mi e Mt. Wilson turn-off (side canyon); San Gabriel Mountains Comment
  JEPS56097  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-16 4116 Los Angeles Angeles Crest Hwy 0.7 mi w Mt. Wilson turn-off; San Gabriel Mountains Comment
  POM367669  Galium angustifolium subsp. angustifolium Christopher Davidson, B. Gustafson 1975-6-24 2879 Los Angeles Big Tujunga Canyon. Ca 5 miles NE of Sunland on rd 2N78. 686 Comment
  RSA0091539  Galium angustifolium subsp. gracillimum R. G. Swinney 2011-5-26 14874 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA191164  Galium angustifolium subsp. nudicaule Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  UC1332295  Galium angustifolium subsp. nudicaule Lauramay T. Dempster and G. L. Stebbins 1966-6-16 4236 Los Angeles ne Chilao Recreation Area (steep s-facing dry wash); Cloudburst Summit; Cloudburst Summit, NE of Chilao Recreation Area, Los Angeles Co. 2139 Comment
  UC2052834  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  RSA640825  Galium aparine Louis C. Wheeler 1931-3-19 s.n. Los Angeles Pomona: Ganesha Heights. Comment
  RSA660455  Galium aparine Ian Thompson 1997-3-22 39 Los Angeles Cal Poly Pomona Ecological Reserve, Northeast facing slope south of E-line. Comment
  UC1348874  Galium catalinense Robert F. Thorne and P. Everett 1965-6-23 34996 Los Angeles nw Avalon (mouth of canyon); Santa Catalina Island, Hamilton Canyon 7 Comment
  CAS-BOT-BC217511  Galium grande A. J. McC 1893-7-29 120 Los Angeles Pasadena 1219 Comment
  POM177154  Galium hallii A. N. Dunn 1931-4-18 s.n. Los Angeles Near Neenach, Mohave Desert. Comment
  RSA604615  Galium hallii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. Comment
  UC2026470  Galium jepsonii Louis C. Wheeler 1967-8-1 10209 Los Angeles SAN GABRIEL MOUNTAINS: Granite Mt. Comment
  RSA573740  Galium johnstonii Tim S. Ross 1992-7-17 6724 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  RSA229177  Galium porrigens var. porrigens Robert F. Thorne, C. W. Tilforth 1971-6-29 40727 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  UC1595495  Galium porrigens var. porrigens Tim Ross 1992-7-10 6679 Los Angeles creek between Coldwater Canyon and Wickiup Canyon (n and ne slope above stream); San Gabriel Mountains, Big Tujunga Creek 975 Comment
  POM292453  Gamochaeta pensylvanica H. M. Hall 1915-5-24 111 Los Angeles Pasadena. Comment
  UCR124975  Garrya flavescens B. C. Templeton 1936-4-14 5639 Los Angeles San Gabriel Mtns., north of Strawberry Peak 1524 Comment
  UCR145166  Garrya flavescens June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA397374  Garrya veatchii Bonnie C. Templeton 1956-4-22 7685 Los Angeles Along Angeles Crest Hwy, below Mt. Wilson turnoff, San Gabriel Mtns. Comment
  SDSU7167  Garrya veatchii J. Godsil 1953-3-9 499 Los Angeles Little Dalton Canyon, above San Gabriel Lakes. 960 Comment
  RSA617209  Gayophytum decipiens Louis C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns.: Chilao Creek headwaters. 1799 Comment
  RSA250347  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42221 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  UCR223743  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2009-6-24 11240 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA330778  Gayophytum oligospermum Wayne E. Sawyer 1981-7-12 91 Los Angeles San Gabriel Mts; Angeles National Forest: 200 ft. NE of Little Jimmy Campground 2256 Comment
  SBBG38928  Genista linifolia M. A. Piehl 1962-10-3 62514 Los Angeles highway, ca. 1 mi above Avalon 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
  RSA70498  Geranium californicum F. W. Peirson 1922-7-6 3185 Los Angeles Swartout Valley region. Big Pines, north side of San Gabriel Mtns. 2073 Comment
  RSA127944  Geranium carolinianum H. J. Thompson 1959-4-19 1955 Los Angeles Mulholland Highway, 1 miles W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  POM2886  Geranium carolinianum P. A. Munz 1918-4-21 2088 Los Angeles South of Pomona Hills Comment
  RSA756747  Gilia R. G. Swinney 2008-6-17 9047 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
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Dec 7 2018
  RSA777526  Gilia R. G. Swinney 2009-5-20 10838 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
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Dec 7 2018
  CHSC3670  Gilia angelensis Mary MacArthur 1966-6-4 39 Los Angeles 5 ft from river bed. 1524 Comment
  RSA587399  Gilia brecciarum subsp. brecciarum Orlando Mistretta 1995-4-5 1603 A Los Angeles Drainage W of Little Rock Creek Reservoir. 1189 Comment
  UCR51003  Gilia brecciarum subsp. neglecta A. C. Sanders, E. J. Lawlor 1988-4-3 7739 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
  RSA0116830  Gilia capitata R. G. Swinney 2010-8-11 13491 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  POM199558  Gilia capitata subsp. abrotanifolia I. W. Clokey, B. C. Templeton 1929-03 4476 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  UC1123848  Gilia capitata subsp. abrotanifolia Jerome S. Horton 1936-6-16 472 Los Angeles 2100 trail - He<?>er Gate, West Fork San Dimas Canyon West Fork San Dimas Canyon, Pomona Quad. Comment
  UC908819  Gilia leptantha subsp. transversa Herbert L. Mason 1926-4-27 3047 Los Angeles between Rock Creek and Little Rock Creek ((Big Pines Recreation Park Road), Los Angeles Co. Park Road, Mohave Desert); Mohave Desert, btw Rock Creek and Little Rock Creek Comment
  CATA367  Gilia nevinii Mark L. Hoefs 1974-3-28 416 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, southeast exposure 335 Comment
  RSA469475  Gilia nevinii Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA527660  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4381 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR223813  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 2009-6-17 11177 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
  UCR178227  Gilia ochroleuca subsp. vivida LeRoy Gross, Valerie Soza 2003-6-10 1021 Los Angeles Transverse Ranges; San Gabriel Mountains, Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., c. 2.5 miles south of Mount San Antonio summit along trail 2439 Comment
  CAS-BOT-BC402079  Gilia ochroleuca subsp. vivida F. W. Peirson 1929-7-1 8438 Los Angeles Summit Mt. Pacifico, San Gabriel Mts. 2148 Comment
  UCR258762  Gilia splendens R. G. Swinney 2010-5-11 12691 Los Angeles San Gabriel Mountains, east of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd 872 Comment
  UCR68334  Gilia splendens R. H. Podolsky 1990-6-1 01 Los Angeles San Dimas Experimental Forest, Tanbark Flats Experimental Station 854 Comment
  CAS-BOT-BC303660  Glebionis coronaria John Thomas Howell 1948-7-2 24767 Los Angeles Redondo Beach Comment
  POM358698  Glyptopleura setulosa Gary D. Wallace s.n. Los Angeles Mojave Desert Comment
  RSA004489  Gnaphalium beneolens Fay A. MacFadden 1929-10-3 1648 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA724552  Gnaphalium californicum K. Dobry 1992-4-14 D- 364 Los Angeles Camp Shalom. West Santa Monica Mts along Arroyo Sequit. 5 mi No of Pacific Coast Hwy. Comment
  UCR206525  Gnaphalium californicum A. C. Sanders, T. B. Salvato 2009-5-19 36826 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  POM358780  Gnaphalium californicum Thekla Mohr 1897-1 s.n. Los Angeles San Gabriel Comment
  RSA650963  Gnaphalium californicum Len Lorwin 1948-5-20 7 Los Angeles San Dimas Wash. 213 Comment
  RSA660783  Gnaphalium californicum J. Doughty 1985-5-19 204 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  SEINET11849336  Gnaphalium californicum Unknown 1933-1 8501 Los Angeles near Los Angeles Comment
  POM4636  Gnaphalium chilense W. R. Shaw s.n. Los Angeles Claremont. Comment
  UCR192008  Gnaphalium palustre A. C. Sanders 2008-4-16 34913 B 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
  UC1303082  Goodmania luteola Ralph Hoffmann 1930-4-28 Los Angeles alkaline flats Lancaster Comment
  UC1614048  Grayia spinosa Charles M. Belshaw 1935-3-29 498 Los Angeles ca. 20 mi. w. Lancaster (on face of La Liebre Scarp); W. Antelope Valley Comment
  LA32029  Grindelia camporum Peter H. Raven; Henry J. Thompson 1959-6-4 14344 Los Angeles SANTA MONICA MOUNTAINS, Point Dume 3 Comment
  CAS-BOT-BC305262  Grindelia hirsutula Alice Eastwood 1919-7-4 9303 Los Angeles Santa Monica Canyon, Los Angeles Comment
  UC284960  Guillenia lasiophylla P. A. Munz 1923-4-8 6631 Los Angeles Wilson's Cove San Clemente Island Comment
  UC87981  Gutierrezia sarothrae Le Roy Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  SEINET3148103  Harpaecarpus minimus G. B. Grant 1906-6-17 543 a-6689 Los Angeles Summit Mt. Wilson 1829 Comment
  POM84457  Harpagonella palmeri Marcus E. Jones 1882-2-28 s.n. Los Angeles Pasadena. Comment
  RSA590422  Harpagonella palmeri T. S. Ross 1993-4-21 6843 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA678688  Hazardia cana Mark Elvin, Orlando Mistretta 1996-3-24 138 Los Angeles San Clemente Island. Eagle Canyon. 244 Comment
  POM13839  Hazardia squarrosa var. grindelioides P. A. Munz 1922-9-14 6417 Los Angeles Spring Hill, San Antonio Canyon 1067 Comment
  UCR189875  Helenium bigelovii R. G. Swinney 1998-7-21 6466 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, vicinity of junction of Upper Fish Fork Trail and Dawson Peak Trail 1951 Comment
  JEPS30521  Helenium puberulum Peter H. Raven 1959-10-25 14713 Los Angeles 4.1 mi n Coast Highway (along Malibu Creek); Santa Monica Mountains, Malibu Creek 91 Comment
  CAS-BOT-BC223982  Helianthemum scoparium Carl Epling; N. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC305422  Helianthus annuus Herman Knoche 1919-6-12 Series A, No. 794 Los Angeles Between Duarte and Glendora Comment
  RSA598814  Helianthus annuus subsp. lenticularis R. G. Swinney 1989-11-24 1495 Los Angeles vicinity Glendora Wilderness Park, Big Dalton Cyn Rd. 366 Comment
  RSA662177  Helianthus annuus subsp. lenticularis H. Christopher Gubler 1981-5-12 14 Los Angeles Interstate 10 W 1 mile from junction ca. Hwy 57. Alongside freeway chaparral. Comment
  RSA92422  Helianthus gracilentus F. W. Peirson 1919-7-3 512 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  RSA0048577  Helianthus gracilentus A. Lee Haines 1971-4-27 s.n. Los Angeles Cold Canyon Rd., Santa Monica Mts. 304 Comment
  RSA92428  Helianthus gracilentus F. W. Peirson s.n. Los Angeles Verdugo Mountains Comment
  RSA0008274  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .1 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
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Jun 26 2019
  SD85044  Heliotropium curassavicum var. oculatum E. R. Blakley 1961-9-24 4782 Los Angeles Santa Catalina Island; Little Springs Canyon. 14 Comment
  SBBG111002  Hesperolinon micranthum A. Parikh, N. Gale 1998-5-28 LA 01 Los Angeles S of Agoura Hills, on a gentle S-facing slope N of Triunfo Cyn Rd, near the intersection of Kanan Rd 260 Comment
  UCR259071  Hesperoyucca whipplei R. G. Swinney 2010-5-19 12807 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
  CHSC34438  Heteromeles arbutifolia James Henrickson 1972-11-2 8100 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 and Hasley Cyn. Rd. 365 Comment
  LA82111  Heteromeles arbutifolia O. H. Kappler; 1940-7-21 70 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA576126  Heteromeles arbutifolia F. H. Elmore 1939-2-18 421 Los Angeles San Clemente Island. Comment
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May 16 2008
  SDSU9052  Heteromeles arbutifolia R. M. Beauchamp 1967-1-29 159 Los Angeles Growing in ravine in impact area behind Pyramid Cove. San Clemente Island. Comment
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May 16 2008
  UC1128107  Heteromeles arbutifolia F. H. Raymond 1930-1-29 42 Los Angeles Santa Ynez Canyon; Calabasas Quad. 518 Comment
  UC1584747  Heteromeles arbutifolia Tim Ross and Annette Ross 1991-3-7 4132 Los Angeles sw base Elephant Hill (w Pomona); Pomona, San Dimas U.S.G.S. 7.5' quad. 237 Comment
  UC466692  Heteromeles arbutifolia Mrs. Blanche Trask 1833-7-4 Los Angeles Catalina Island Comment
  SEINET10833118  Heteromeles arbutifolia David B. Dunn 1971-8-11 Dunn 18102 Los Angeles Cultivated plants at 4911 pasadena ave. Terrace Comment
  RSA0074540  Heterotheca fastigiata L. C. Wheeler 1932-9-11 1372 Los Angeles Thompson Wash, 2 miles NE La Verne. 373 Comment
  RSA0074421  Heterotheca grandiflora Justin M. Wood 2009-8-18 1255 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  IRVC28556  Heterotheca sessiliflora A. C. Sanders 2003-8-5 27108 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
  CAS-BOT-BC311263  Heterotheca sessiliflora subsp. echioides Ralph Hoffmann 1931-10-1 s.n. Los Angeles Bob's Place, Mint Canyon Comment
  JEPS49740  Heuchera abramsii Frank W. Peirson 1922-7-21 3207 Los Angeles Baldy Mt. San Antonio; San Gabriel Mts, Mt. San Antonio 2956 Comment
  SFV1417  Hirschfeldia incana K. A. Wilson, D. E. Bianchi 1961-2-2 812 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  UC1126856  Hirschfeldia incana Jerome S. Horton 1937-6-14 462 Los Angeles San Dimas Canyon Wash 365 Comment
  CAS-BOT-BC207503  Hoffmannseggia glauca A. C. Sanders; T. B. Salvato 2009-5-18 36807 Los Angeles San Gabriel Valley: Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 115 Comment
  UC144118  Hoffmannseggia glauca Theodore Minthorn 1909-8-15 Los Angeles hills e Los Angeles Comment
  RSA156514  Hoita macrostachya L. R. Abrams 1902-7-6 2657 Los Angeles Near Azusa Comment
  SD215402  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles Liebre Mountains Region: Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West near the California Aqueduct, east of mouth of Broad Canyon. 914 Comment
  JEPS44654  Holodiscus discolor Joseph Andorfer Ewan 1933-7-4 7876 Los Angeles Spanish Canyon above Monrovia; San Gabriel Mts., Spanish Canyon above Monrovia 609 Comment
  RSA449773  Holodiscus discolor Fred Burlew 1922-6-1 s.n. Los Angeles Glendale. Comment
  UCR223131  Holodiscus microphyllus var. microphyllus R. G. Swinney 2009-7-22 11348 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  SBBG59358  Hordeum brachyantherum R. Hoffmann 1929-5-21 Los Angeles Lancaster Village Comment
  POM21186  Hordeum intercedens P. A. Munz 1923-4-8 6613 Los Angeles San Clemente Island. Comment
  SD90267  Hordeum intercedens Robert F. Thorne 1973-4-12 42951 Los Angeles San Clemente Island; Pyramid Cove at south end of island. 3 Comment
  UCR248042  Hordeum jubatum Kai T. Palenscar 2013-2-15 s.n. Los Angeles Peninsular Ranges; Chino-Puente Hills region, City of Walnut, 250 m. north of N. Lemon Ave. up main drainage associated with Three Oaks development entrance at Amar Rd. 265 Comment
  SBBG130714  Hordeum marinum subsp. gussoneanum S. A. Junak 2000-5-5 SCa 1260 Los Angeles ca. 1.5 air mi NNW of beach at Little Harbor cmpgrd, above rd 198 Comment
  SD252248  Hordeum marinum subsp. gussoneanum Steven A. Junak 1999-4-23 Sca 847 Los Angeles Santa Catalina Island. Buffalo Reservoir area, plant stop, S side of main road. 200 Comment
  RSA0060871  Hordeum murinum R. G. Swinney 2010-6-8 13196 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA603271  Hordeum murinum subsp. glaucum L. C. Wheeler 1933-5-30 1752 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UCD86469  Hordeum murinum subsp. glaucum Robert F. Thorne 1968-4-27 37555 Los Angeles Santa Barbara Island. Small canyon between Cove Landing and Cliff Canyon. 30 Comment
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Dec 11 2014
  CATA602  Hordeum murinum subsp. leporinum Mark L. Hoefs 1991-4-7 1048 Los Angeles Santa Catalina Island: Divide Road, above Avalon Canyon 277 Comment
  RSA225093  Hordeum vulgare R. F. Thorne 1971-5-22 39761 Los Angeles Angeles National Forest: Fish Canyon, somewhat below Falls; 365 Comment
  RSA0025171  Hulsea heterochroma Jane Tirrell 2012-6-27 LS 0083 Los Angeles Along Pacific Crest Trail 30 yd. east of junction with S. Mt. Hawkins Trail, approximately 0.4 miles west of Mt. Hawkins. 2561 Comment
  UCR119551  Hulsea heterochroma L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mtns., Little Rock Creek near Cedar Springs 1982 Comment
  SFV3992  Hypochaeris glabra M. Wisotsky 1958-5-30 s. n. Los Angeles San Fernando Valley In front of house at 12904 Osborne Ave. Northeast corner of fence. Comment
  CHSC100693  Iris pseudacorus R. E. Riefner Jr. 2007-4-15 07 -179 Los Angeles Harbor City, Harbor Regional Park and Lake, Bixby Slough, Vermont Ave./Pacific Coast Hwy. UTM 11S 0380774E 3789619N. NAD 83. 14 Comment
  RSA248897  Isocoma menziesii R. F. Thorne 1973-4-12 42922 Los Angeles San Clemente Island, Horse Cove, S end of island. 3 Comment
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Jun 24 2014
  CAS-BOT-BC311715  Isocoma menziesii var. vernonioides Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach Comment
  UCR213405  Isomeris arborea A. C. Sanders, Dan S. Cooper 2010-3-12 37338 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA755712  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp. 2329 Comment
  UCR95551  Juglans Steve Boyd, Lauren Raz 1996-9-24 8928 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  UCR170412  Juglans californica Alex R. Van Dam 2004-5-8 023 Los Angeles Western Transverse Range; Santa Monica Mtns., slope behind residence at 9746 Yoakum Drive, Beverly Hills 305 Comment
  RSA9734  Juglans californica Louis C. Wheeler 1931-11-11 351 Los Angeles N side Santa Monica Mts. opp. Franklin Canyon 366 Comment
  SBBG32028  Juncus acutus R. N. Philbrick with R. F. Thorne 1967-5-9 B 67 -226 Los Angeles lower Middle Ranch Cyn crk Comment
  UCR265495  Juncus bufonius Dan S. Cooper 2015-3-5 2015- 43 Los Angeles Los Angeles Basin; Coastal Plain, Torrance, SW corner of Crenshaw Blvd. and West 208th St. 22 Comment
  RSA69671  Juncus bufonius var. bufonius F. W. Peirson 1921-5-20 5354 Los Angeles Little Rock Creek 960 Comment
  UCR270809  Juncus duranii R. G. Swinney 2011-8-17 15625 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA368250  Juncus macrophyllus Anstruther Davidson 1893-7-4 s.n. Los Angeles Rock Creek. Comment
  RSA532656  Juncus macrophyllus Timothy S. Ross 1991-8-14 5775 Los Angeles Roundtop Mountain 1723 Comment
  RSA368131  Juncus mexicanus Robert Gustafson 1981-5-26 2232 Los Angeles Ballona Wetlands, Area 2. Comment
  UCR158848  Juncus rugulosus Scott D. White 1994-7-14 2257 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  POM308901  Juncus rugulosus Kay H. Beach 1943-8-27 673 Los Angeles West side of the N Fork above Flume no. 5, San Dimas Experinemtal Forest Comment
  RSA782056  Juncus tenuis A. C. Sanders, T. B. Salvato 2009-5-20 36868 Los Angeles Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  UCR216405  Juncus textilis Dan S. Cooper 2010-6-6 610- 63 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 208 Comment
  RSA624460  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA754210  Juncus xiphioides Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1789 Los Angeles edge of San Dimas Creek along trail next to the gate 454 Comment
  NY21018  Juniperus californica T. G. Yuncker 1931-6-29 3822 Los Angeles Los Angeles, Exposition Park Comment
  SEINET8981245 Image available Juniperus chinensis Arboretum Staff 68 P934 Los Angeles Los Angeles, Los Angeles State and County Arboretum Comment
  RSA352425  Juniperus occidentalis var. australis L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, east slope 3049 Comment
  POM50424  Keckiella cordifolia L. R. Abrams 1907-4-11 1468 Los Angeles Santa Monica Canyon Comment
  RSA13230A  Keckiella cordifolia Fay A. MacFadden 1931-05 3005 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA549808  Keckiella cordifolia Wandalee Thompson 1964-6-21 56 Los Angeles San Francisquito Canyon Road, Angeles National Forest. Comment
  RSA0092160  Keckiella ternata subsp. ternata R. G. Swinney 2011-9-22 15683 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  SBBG106919  Kickxia elatine M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2438 Los Angeles Echo Lake 396 Comment
  LA200970  Kochia scoparia Carl Wishner; 1989-5-20 1660 Los Angeles 325.0 Comment
  UCR179445  Koeleria macrantha R. G. Swinney, Dave Larson 1996-7-17 5115 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCD99055  Krascheninnikovia lanata Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 37 Los Angeles City of Llano, Mojave Desert, 50 m. S.W. of Three Sisters, 1 mile from Ave. U and Blk Butte Basin Rd. intersection, on Ave. U. 243 Comment
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Jun 8 2015
  CAS-BOT-BC111948  Kyllinga brevifolia G. L. Skutt 1935-5-1 s.n. Los Angeles Pasadena Comment
  LA32080  Lactuca serriola Peter H. Raven; Henry J. Thompson 1959-9-18 sn Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  JEPS36685  Lactuca serriola F. W. Peirson 1921-7-20 1488 Los Angeles San Gabriel River San Gabriel Mts., San Gabriel River 457 Comment
  SEINET6050464  Lactuca serriola Unknown 1996-9-24 8952 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SBBG108937  Laennecia coulteri S. A. Junak 1996-9-28 SCl 673 Los Angeles Box Cyn, ca. 0.46 mi downstream from Triangulation Pt "Snapper" 323 Comment
  SD218912  Lamarckia aurea Edith A. Purer 1931-5-8 2060 A Los Angeles Griffith Park. Comment
  RSA339629  Lamium amplexicaule Robert F. Thorne 1980-3-23 54012 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  UCR114737  Lampranthus A. C. Sanders 1987-9-18 7370 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  POM2697  Larrea tridentata A. D. E. Elmer 1915-7-10 s.n. Los Angeles Claremont. Comment
  RSA361496  Lasthenia californica J. Aug Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  CAS-BOT-BC338136  Lasthenia californica Noel H. Holmgren; Patricia K. Holmgren 1974-4-5 7626 Los Angeles North foothills of the San Gabriel Mountains, Portal Ridge, 13 airline miles west of Lancaster 1066 Comment
  UC135364  Lasthenia coronaria C. F. Baker 1903-8-13 4091 Los Angeles Claremont Comment
  UC1595277  Lathyrus latifolius Tim Ross and Peter Fritsch 1990-6-20 3587 Los Angeles ridge top between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 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
  RSA405673  Lathyrus vestitus subsp. laetiflorus B. C. Templeton 1931-3-29 s.n. Los Angeles Mandeville Canyon 200 Comment
  RSA583071  Lathyrus vestitus subsp. vestitus T. S. Ross 1993-4-22 6910 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  LA200445  Lathyrus vestitus var. vestitus Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  RSA584139  Lathyrus vestitus var. vestitus T. S. Ross 1990-6-8 2979 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA783640  Layia J. D. Olmsted 1959-3-23 312 Los Angeles Blanchard Park on Pomona College campus by area catching runoff from sprinkling system-common weed. San Antonio wash. alluvial. 366 Comment
  POM361625  Layia glandulosa Louis Greata 1901-03 s.n. Los Angeles Pasadena. Comment
  UCR177463  Layia glandulosa LeRoy Gross 2005-5-3 2227 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  UC206186  Layia platyglossa Katharine Brandegee Los Angeles Santa Catalina Island Comment
  POM361666  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-7 4840 Los Angeles Cottonwood Canyon, Santa Catalina Island 160 Comment
  RSA545274  Lepechinia fragrans D. Propst, Mark Hoefs 1973-3-3 25 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 366 Comment
  UCR274346  Lepidium didymum Steven A. Junak 1999-5-22 SCa- 1012 Los Angeles California Islands, Santa Catalina Island. Avalon Canyon, at entrance to Catalina Stables 49 Comment
  RSA40488  Lepidium fremontii W. R. Dudley 1896-6-4 4312 Los Angeles Lancaster. Comment
  SEINET3860002  Lepidium fremontii R. G. Swinney 2009-4-24 10470 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, just below Littlerock Creek Dam, in tributary canyon to the east.; 0 1000 Comment
  UC450828  Lepidium fremontii Fay A. MacFadden 1931-4-22 2649 Los Angeles near Willow Springs; Mohave Desert Comment
  UCR106320  Lepidium latifolium L. C. Wheeler 1976-8-4 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, Los Angeles river: east of the levee at Long Beach Blvd, Long Beach 5 Comment
  RSA584103  Lepidium strictum Timothy S. Ross, S. D. Boyd 1990-5-15 2521 Los Angeles Live Oak Campground, Tujunga Ranger Distruct, Angeles National Forestr; at the confluence of Sand Canyon and Bear Canyon. (draining to the Santa Clara River about 3.5 miles north) 646 Comment
  RSA651356  Lepidium virginicum T. Strid 1972-6-8 s.n. Los Angeles Topanga Cyn. 60 Comment
  CAS-BOT-BC60041  Lepidium virginicum var. menziesii Le Roy Abrams 1901-4-6 1396 Los Angeles Montevista. Comment
  RSA182201  Lepidium virginicum var. robinsonii James Henrickson 1963-5-1 1252 Los Angeles Adjacent to RSABG in Claremont, near Foothill Blvd. 381 Comment
  UCD33024  Lepidospartum squamatum Beecher Crampton 1965-10-27 7595 Los Angeles ca. 2.6 miles S.W. of Saugus, US Hwy. 99. Comment
  UCR139923  Lepidospartum squamatum Scott D. White 1997-5-15 5146 Los Angeles Mojave Desert, Big Tujunga Wash. Sunland-Tujunga area; alluvial fan below San Gabriel Mtns. SW of I-210 Fwy, east of Hansen Dam, and N of Wentworth Street 351 Comment
  RSA004613  Lepidospartum squamatum Fay A. MacFadden 1929-8-1 1309 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA95033  Lepidospartum squamatum F. W. Peirson 1919-10-20 275 Los Angeles Brae Burn Road, Altadena. Comment
  UC566101  Leptodactylon californicum G. T. Nordstrom 1935-2-26 339 Los Angeles 2 1/2 mi se Mouth of Liebre Gulch; Tejon Quad., se of mouth of Liebre Gulch 670 Comment
  UCR114220  Leptodactylon californicum A. C. Sanders, D. Malueg 1998-6-24 22062 Los Angeles San Gabriel Mtns., CCC Ridge, off Hwy 2 just north of Pasadena city limits, So. Cal. Edison Mesa-Vincent transmission line at tower 16-2 823 Comment
  RSA468566  Leptosiphon androsaceus B. C. Templeton 1931-5-15 s.n. Los Angeles S. end Bouquet Canyon. 500 Comment
  RSA592696  Leptosiphon androsaceus L. C. Wheeler 1967-5-2 9264 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  UCR266127  Leptosiphon breviculus Orlando Mistretta, Christine Mistretta 2005-4-21 2052 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  POM364722  Leptosiphon pygmaeus subsp. continentalis L. C. Wheeler 1934-4-24 2562 Los Angeles Liveoak Canyon Dam 457 Comment
  SD46753  Leptosyne douglasii P. C. Everett, E. K. Balls 1956-5-9 21569 Los Angeles 5.2 miles north of Los Angeles-Kern County line along Highway 6 730 Comment
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Feb 12 2016
  UCR209464  Lessingia filaginifolia R. G. Swinney 2008-10-10 9552 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  POM361805  Lessingia glandulifera var. glandulifera George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  RSA291707  Lewisia nevadensis Wayne E. Sawyer 1981-6-25 64 Los Angeles Lily Springs, above Angeles Crest Highway, San Gabriel Mountains. Comment
  RSA464486  Lewisia rediviva George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA679996  Linanthus concinnus LeRoy Gross, Michael Denslow 2003-6-4 980 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  UC496535  Linanthus concinnus T. Craig 1927-6-8 437 Los Angeles Bear Canyon Trail to Summit of Mt. San Antonio; San Gabriel Mts. 2438 Comment
  RSA0113447  Linanthus dianthiflorus Steven A. Junak 2001-4-13 SCa- 1428 Los Angeles Santa Catalina Island. Along old road on ridgetop overlooking Empire Landing. 226 Comment
  UC494778  Linanthus parryae T. Craig 1928-4-28 1037 Los Angeles Big Rock Creek Road to Los Angeles County Playground Comment
  UC572421  Linanthus parryae A. D. Gifford 1935-4-27 634 Los Angeles 3 1/2 mi N of Manzana 853 Comment
  UCR192541  Linanthus parviflorus T. B. Salvato 2008-4-25 3344 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, south of Hwy 138, foothills between Horse Camp Canyon and Cow Spring Canyon, 1/4 mi southwest of VABM(3291 ft) Zana 945 Comment
  POM3661  Linanthus pungens I. M. Johnston 1917-7-4 1418 Los Angeles near summit of Baldy 2896 Comment
  CAS-BOT-BC426257  Lithophragma affine Ernest Braunton 1902-4-13 199 Los Angeles Griffith Park Comment
  RSA584621  Lithophragma affine T. S. Ross, Steve Boyd 1991-4-25 4612 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  IRVC26632  Lithophragma affine subsp. mixtum Reid Moran 1941-3-6 682 Los Angeles Santa Catalina Island; Middle Ranch Canyon; N side of bank Channel Islands 300 Comment
  SBBG125215  Lithophragma bolanderi A. Parikh, N. Gale 2010-6-23 3361 Los Angeles Upper Shortcut Cyn, 1.4 km S of St Hwy 2, 1.3 km NNW of W Fork San Gabriel River 1275 Comment
  RSA660261  Lithophragma bolanderi Orlando Mistretta, Peter L. Morrell 1992-6-4 490 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA247362  Lithophragma heterophyllum G. D. Wallace 1966-3-25 213 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  RSA733172  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Los Angeles San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River. 1037 Comment
  UC303427  Lobelia dunnii var. serrata D. L. Crawford Aug. 1915 Los Angeles Mountains near Claremont; Southern California Comment
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Jan 18 2008
  SFV1496  Lobularia maritima K. A. Wilson 1961-2-18 860 Los Angeles Santa Monica Mountains 2 miles west of Seminole Hot Springs. Abandoned, overgrown house lot. Comment
  RSA651348  Lobularia maritima P. A. Hall 1948-5-5 42 Los Angeles Found in open area at the mayo Nursery, on Glendora Road, 1/2 mi. So. of Hwy #66. 243 Comment
  UC1595262  Logfia gallica Tim Ross and Peter Fritsch 1990-6-20 3623 Los Angeles near the confluence of the e and w forks San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  CLARK-A1528-4718  Lolium perenne subsp. multiflorum John C. Roos 1947-10-12 Los Angeles West Los Angeles Comment
  RSA708604  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-9 1206 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  SBBG59713  Lomatium dasycarpum subsp. dasycarpum M. N. Ackley 1928-4-11 Los Angeles Verdugo Hills, Roscoe Comment
  RSA669627  Lomatium dasycarpum subsp. dasycarpum LeRoy Gross 2002-4-13 529 Los Angeles Northwest side; Entered at the corners of Ledge Ave. & Tuxford St. off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek 305 Comment
  UC106237  Lomatium lucidum Dr. H. E. Hasse April 1888 Los Angeles Sierra Madre foothills Comment
  RSA452105  Lomatium mohavense Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR187094  Lomatium utriculatum A. C. Sanders 2006-5-16 32296 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. west of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  CLARK-A1528-4939  Lomatium utriculatum John C. Roos 1937-3-25 1676 Los Angeles Lancaster Comment
  RSA631081  Lomatium vaginatum L. C. Wheeler 1969-5-4 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. Comment
  UC124589  Lonicera hispidula var. vacillans H. M. Hall 1908-6-15 8272 Los Angeles Swains Canyon Santa Catalina Island Comment
  RSA672303  Lonicera subspicata Joseph M. Keefe 2001-1-19 30916 Los Angeles Roadside along Sholl Canyon Road, 3 meters north of beginning of the Eagle Rock Park Path, 200 meters north of Figueroa Street, Eagle Rock. 280 Comment
  POM175348  Lonicera subspicata var. denudata E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  RSA455378  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 1418 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  UC1125303  Lonicera subspicata var. denudata F. H. Raymond 1930-1-29 45 Los Angeles Santa Ynez Canyon Calabasas Quadrangle 213 Comment
  UC213439  Lonicera subspicata var. denudata I. M. Johnston 1917-7-28 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 1905 Comment
  RSA697963  Lotus argophyllus J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina Island, Isthmus. Comment
  RSA661088  Lotus argophyllus var. argenteus Orlando Mistretta 1992-4-5 200 Los Angeles Guds, San Clemente Island. Comment
  CATA1154  Lotus corniculatus Mark L. Hoefs 1995-5-30 2146 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
  IRVC29008  Lotus corniculatus A. C. Sanders, Mark Elvin 2002-6-25 25281 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  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
  RSA406919  Lotus dendroideus var. dendroideus M. B. Dunkle 1929-4-6 2082 Los Angeles Santa Catalina Island. Avalon Canyon, Equestrian trail Comment
  RSA406922  Lotus dendroideus var. dendroideus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  RSA595936  Lotus hamatus L. C. Wheeler 1967-5-8 9358 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCR213687  Lotus heermannii Justin M. Wood 2009-6-1 793 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  UCR275541  Lotus heermannii D. E. Bramlet 2011-8-26 4941 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  POM1884  Lotus heermannii L. R. Abrams 1902-5-31 2486 Los Angeles Railroad embankment. Inglewood. Comment
  RSA587268  Lotus heermannii var. heermannii Orlando Mistretta 1994-5-13 1220 Los Angeles Little Rock Creek, Slopes E of creek opposite confluence with Kitter Canyon 1402 Comment
  RSA774961  Lotus humistratus R. G. Swinney 2009-4-29 10591 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR126889  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26155 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  RSA586641  Lotus humistratus Orlando Mistretta 1995-6-1 1767 Los Angeles San Gabriel Mountains. Carr Canyon. 1098 Comment
  SEINET10450490  Lotus oblongifolius David B. Dunn 1955-5-6 Dunn 11853 Los Angeles Collected in stoddard canyon below th eofrk in rd in san antonion canyon. About 1.25 Yrs after the fire went through striping the chaparralout. A few of the Sycamores had a narrow strip of cambium sruvive on the down canyon side. Live Oaks resprouting from many branches. Shrubs stumbp sprouting and an abundance Of herbaceous species. Comment
  RSA50636  Lotus oblongifolius var. oblongifolius L. R. Abrams 1900-8-10 18 Los Angeles San Gabriel River Canyon. Comment
  UC212489  Lotus oblongifolius var. oblongifolius I. Johnston 1917-5-13 Los Angeles El Monte 121 Comment
  RSA188076  Lotus salsuginosus R. F. Thorne 1966-4-28 36198 Los Angeles Santa Catalina Island, road to Renton Mine, Pebbly Beach Canyon. 244 Comment
  UC1211035  Lotus salsuginosus Huron H. Smith 1912-5-31 5050 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UCR152458  Lotus salsuginosus A. C. Sanders, Lee Jones 2005-4-8 29321 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  UCR156105  Lotus salsuginosus A. C. Sanders 2005-5-5 29882 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, northeast rim of Cruzan Mesa along dirt road under powerlines, above Vasquez Canyon Rd. 640 Comment
  RSA191151  Lotus salsuginosus var. salsuginosus R. F. Thorne 1967-6-25 37123 Los Angeles San Gabriel Mountains: Evey Canyon, 716 Comment
  UCR143495  Lotus salsuginosus var. salsuginosus Steve Boyd, Et al. 1997-4-1 9452 Los Angeles San Gabriel Mtns., Liebre Mountains, upper watershed of Osito Cyn between Hwy I-5 & the Old Ridge Route, vic. of 'Osito Flat,' a distinctive, open grassy break in slope under the high tension power lines. 915 Comment
  CDA12033  Lotus scoparius A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  RSA498861  Lotus scoparius H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica. Comment
  UCR223833  Lotus scoparius subsp. brevialatus R. G. Swinney 2009-6-17 11175 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
  IRVC29653  Lotus strigosus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26233 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  UC69540  Lotus strigosus Joseph Burtt Davy May 9 1896-May 24 1896 2530 Los Angeles Manzana Antelope Valley Comment
  UCR205899  Lotus strigosus R. G. Swinney 2008-5-8 8785 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
  SEINET4035448  Lotus strigosus R. Moran 1941-1 610 Los Angeles Grassy slpe above sea, north of Wilson's Harbor, Santa Catalina Island. Comment
  RSA592364  Lotus unifoliolatus Mark Hoefs 1974-4-30 440 Los Angeles Santa Catalina Island 84 Comment
  POM214390  Lotus wrangelianus L. C. Wheeler 1932-4-30 673 Los Angeles Near UCLA campus, W. Los Angeles. 137 Comment
  RSA406352  Lotus wrangelianus F. R. Fosberg 1931-5-19 4923 Los Angeles Whites landing, Santa Catalina Island. 5 Comment
  SFV11226  Lotus wrangelianus D. K. Shayne 1966-3-9 116 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  POM50322  Ludwigia peploides subsp. peploides L. R. Abrams 1901-6-6 1718 Los Angeles Mesmer. Comment
  RSA604617  Ludwigia peploides subsp. peploides Louis C. Wheeler 1967-9-18 s.n. Los Angeles South side Los Feliz Blvd. at Los Angeles River. Comment
  UCR179735  Lupinus andersonii R. G. Swinney, Dave Larson 1996-7-17 5135 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCSB3375  Lupinus benthamii Gill, Robert 1959-3-24 Los Angeles State 138, 1/2 mile from U.S. 99; San Joaquin Valley 1097 Comment
  RSA488017  Lupinus bicolor Mark Hoefs 1974-5-2 454 Los Angeles Santa Catalina Island. Above Parson's landing Comment
  UC1234637  Lupinus bicolor Peter H. Raven 1962-4-10 17195 Los Angeles summit of Thirst summit of Thirst, San Clemente Island (San Clemente Island); , summit of Thirst 579 Comment
  UCR209286  Lupinus bicolor Dan S. Cooper 2009-3-11 309- 06 Los Angeles Los Angeles Basin Region, adjacent to radio towers in Kenneth Hahn Recreation Area, Baldwin Hills, Los Angeles 138 Comment
  UCR271214  Lupinus bicolor R. G. Swinney 2011-4-20 14462 Los Angeles San Gabriel Mountains/ Western Mohave Desert, Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UC1183627  Lupinus bicolor Dave Dunn 1941-3-29 945 Los Angeles Claremont Golfcourse Parkway Comment
  UC1594350  Lupinus bicolor Tim Ross 1992-4-16 6199 Los Angeles 268 degrees w, 500 m distant from 1603' peak above Stone Field Station, San Clemente Island; central part of San Clemente Island 438 Comment
  SBBG69026  Lupinus concinnus R. Hoffmann 1929-5-31 Los Angeles Pine Cyn Comment
  UCR281352  Lupinus concinnus R. G. Swinney 2014-4-24 16237 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  UCR271048  Lupinus concinnus subsp. concinnus R. G. Swinney 2011-6-6 15018 A Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA0110847  Lupinus excubitus R. G. Swinney 2011-5-6 14607 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
  SBBG69067  Lupinus excubitus R. Hoffmann 1931-4-28 Los Angeles W end of Bouquet Cyn Comment
  UC718041  Lupinus excubitus Carl B. Wolf 1935-5-6 6732 Los Angeles on New Ridge Route Rd. 2 4/10 mi se Gorman (Liebre Mts.); , se of Gorman 1097 Comment
  UCR102534  Lupinus excubitus George K. Helmkamp 1997-3-6 1353 Los Angeles Western Mojave Desert, west of Lancaster along Lancaster Rd, just south of California Poppy Preserve 793 Comment
  CAS-BOT-BC216666  Lupinus excubitus subsp. hallii L. R. Abrams 1913-7-18 5009 Los Angeles Russels Lake Comment
  UCD107681  Lupinus excubitus var. hallii Geoffrey Levin 1974-4-22 21 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Alluvial Fan of Mt. San Antonio (San Gabriel Mts.). 335 Comment
  UC73246  Lupinus formosus E. D. Palmer May 1903 Los Angeles Claremont Comment
  RSA413634  Lupinus formosus var. formosus Robert Gustafson, Gary D. Wallace 1982-4-26 2538 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  UCR281391  Lupinus hirsutissimus R. G. Swinney 2014-5-27 16652 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
  SD253453  Lupinus latifolius subsp. latifolius R. G. Swinney 2011-6-23 15278 Los Angeles San Gabriel Mountains: Chileo Flat, along Chilao Creek 100-200 m south of Chilao Station (Chilao Flat 7.5'Q) 1570 Comment
  RSA91317  Lupinus longifolius F. W. Peirson 1921-4-10 7723 Los Angeles San Dimas Canyon, south base of San Gabriel Mts 442 Comment
  RSA599453  Lupinus microcarpus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9477 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
  UC1584214  Lupinus microcarpus var. densiflorus Tim Ross, Steve Boyd 1990-6-6 2862 Los Angeles .3 mi ese Oak Flat Spring (nr the intersection of Threemile Grade x the road W to Camp Caula, Los Padres National Forest (admin. by Angeles N.F.)); Los Padres National Forest, ese of Oak Flat Spring 839 Comment
  SBBG67043  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-27 Los Angeles Little Martinez Crk near Castaic Comment
  OBI48497  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  SEINET6068405  Lupinus peirsonii Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SDSU4621  Lupinus sparsiflorus unknown 1948-5-4 Los Angeles Goode Pass, Western San Gabriel Mts. 1006 Comment
  RSA414252  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1945-5-1 2181 Los Angeles Santa Monica Mountains 762 Comment
  RSA0068306  Lupinus subvexus var. subvexus R. G. Swinney 2010-5-12 12708 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
  CATA475  Lupinus succulentus Sara L. Crockett 1997-3-28 617 Los Angeles Santa Catalina Island: End of Cat Harbor Road, NE side of Cat Harbor 15 Comment
  RSA0080643  Lupinus succulentus R. G. Swinney 2010-3-10 11811 Los Angeles NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  RSA414301  Lupinus succulentus M. B. Dunkle 1932-5-28 2963 Los Angeles Whites Landing, Santa Catalina Island. Comment
  POM2616  Lupinus succulentus M. Hitchcock 1918-7-18 18 Los Angeles Van Nuys 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
  RSA746988  Lupinus truncatus R. G. Swinney 2008-4-30 8707 Los Angeles San Dimas Experimental Forest, Monroe Canyon 549 Comment
  UCR147754  Luzula comosa L. C. Wheeler 1954-8-31 7062 Los Angeles San Gabriel Mountains, Cooper Creek near confluence with Little Rock Creek, Buckhorn 1738 Comment
  UCR190724  Lycium andersonii R. G. Swinney 2001-5-17 7946 Los Angeles San Gabriel Mtns./Mojave Desert, Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  UCSB10437  Lycium cooperi Wedberg, H. 1957-4-20 Los Angeles Soledad Cam near Hwy 6; Comment
  CAS-BOT-BC140224  Lyonothamnus floribundus subsp. aspleniifolius Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  SD90401  Lyonothamnus floribundus subsp. aspleniifolius Robert Thorne 1973-4-12 42966 Los Angeles San Clemente Island: large canyon S of Mosquito Cove N of Chenity 259 Comment
  CAS-BOT-BC142325  Lyonothamnus floribundus subsp. floribundus D. E. Breedlove 1961-9-23 1271 Los Angeles S side of Cherry Canyon 1.5 mi from beach - Santa Catalina Island 243 Comment
  JEPS45594  Lyonothamnus floribundus subsp. floribundus W. L. Jepson 1908-7-13 3045 Los Angeles Swain Canyon Catalina Island Comment
  SBBG128116  Lyonothamnus floribundus subsp. floribundus M. L. Hoefs 1994-7-18 1892 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  UCR107242  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Mt. Baldy Rd on W shoulder, c. 0.25 mi SW of Mt. Baldy Rd junction w/ Glendora Mountain Rd. Comment
  JEPS7519  Madia exigua Frank W. Peirson 1921-6-21 2446 Los Angeles w fork of the San Gabriel River San Gabriel Mts., Angeles National Forest 609 Comment
  SD69014  Madia gracilis Robert F. Thorne 1968-5-28 37648 Los Angeles Santa Catalina Island; central part of Bulrush Canyon 245 Comment
  UC34790  Madia gracilis Harley P. Chandler 1897-5-24 Los Angeles Palmer's Canyon; Claremont 731 Comment
  POM47826  Mahonia nevinii P. A. Munz, D. Keck 1924-4-12 7940 Los Angeles 2 miles east of San Fernando Comment
  UC519947  Malacothamnus davidsonii Louis C. Wheeler 1933-8-5 2053 Los Angeles 2 mi nw Roscoe; San Fernando Valley 274 Comment
  LA30368  Malacothamnus fasciculatus Mary V. Hood; 1938-4-30 38 11 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA152024  Malacothamnus fasciculatus Wesley O. Griesel 1962-7-6 s.n. Los Angeles Encinal Canyon, Santa Monica Mts. 305 Comment
  UCR209226  Malacothamnus fasciculatus R. G. Swinney 1969-5-1 395 Los Angeles San Gabriel Valley, c. 100 yards south of Duarte city limits on Buena Vista Ave. in Irwindale, c. 100 yards west of San Gabriel River channel 133 Comment
  UC1595304  Malacothamnus fasciculatus var. fasciculatus Tim Ross 1992-4-27 6237 Los Angeles S side of Indian Hill Mesa Claremont, Indian Hill Mesa 393 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
  RSA0047913  Malacothrix californica R. G. Swinney 2010-5-12 12747 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  UCR256532  Malacothrix clevelandii Anuja Parikh, Nathan Gale 2011-5-26 3397 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km ENE of Shortcut Station, 0.7 km north of State Hwy 2 (Angeles Crest Hwy) 1308 Comment
  UCR1614  Malacothrix coulteri R. G. Barber 1962-4-14 27 Los Angeles Western Mojave Desert, c. one mile north of center of Lancaster on Hwy 6 [Sierra Hwy], east of hwy. across from the Desert Inn [44219 Sierra Hwy, S of Ave. J] 710 Comment
  RSA150912  Malacothrix foliosa P. H. Raven 1962-5-8 17625 Los Angeles Near western shore of island, opposite Wilson Cove, San Clemente Island. 46 Comment
  SD231226  Malacothrix glabrata Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 111 Los Angeles Transverse Ranges; San Gabriel Mountains region: N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  SBBG44742  Malacothrix glabrata Leota Davidson 1965-5-9 125 Z Los Angeles ca. 6-10 mi E of Littlerock Comment
  RSA0084496  Malacothrix saxatilis R. G. Swinney 2010-5-4 12536 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  POM362364  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1930-6-26 446 Los Angeles Lower Ballona Creek 5 Comment
  OBI35677  Malosma laurina Rebecca Cicoria 1982-9-4 80 Los Angeles Palos Verdes Peninsula: Upper Portuguese Canyon, south of Burma Rd., Rancho Palos Verdes. Comment
  RSA754230  Malosma laurina Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1776 Los Angeles San Gabriel River Watershed; next to road. 383 Comment
  OBI12377  Malva assurgentiflora Louis C. Wheeler 1932-8-28 1307 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA692084  Malva parviflora A. C. Sanders, Mark A. Elvin 2002-6-26 25299 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, along Santa Clara River about 0.25 mile downstream from large natural spring at N foot of Airport Mesa and ca. 0.75 mile above Castaic Creek confluence, ca. 1 mi. SW of Castaic Junction. 305 Comment
  SD132622  Malva parviflora M. B. Dunkle 1939-4-6 7293 Los Angeles San Clemente Island. Mosquito Harbor, beach bank by cabin. Comment
  SEINET3143270  Malvastrum fasciculatum var. fasciculatum W. Wheeler 1904-7-5 748 -6421 Los Angeles Covina Comment
  SBBG69443  Marah fabacea R. Hoffmann 1929-5-21 Los Angeles Del Sur to Elizabeth Lake Comment
  RSA0073609  Marah macrocarpa R. G. Swinney 2010-4-23 12333 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  SBBG80287  Marah macrocarpa F. C. Boutin 1967-4-23 1665 Los Angeles Lemon Tank, dump site in cyn 304 Comment
  CATA3261  Marah macrocarpa Julia Parish, Ben Dion 2017-1-3 003 Los Angeles Santa Catalina Island: Parson's WMU 11 Comment
  UC1004924  Marah macrocarpa Philip A. Munz 1940-4-29 165577 Los Angeles ne Claremont; San Antonio Wash 518 Comment
  POM4566  Marah macrocarpa var. macrocarpa C. F. Baker 1909-2-15 5243 Los Angeles Mountains near Claremont Comment
  RSA409836  Marrubium vulgare L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  RSA409816  Marrubium vulgare I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough . [locality name change to Laguna Dominguez ] Comment
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Oct 7 2008
  RSA522973  Marrubium vulgare Tim S. Ross 1991-2-23 4087 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 292 Comment
  SFV3173  Marrubium vulgare P. M. Kennamer 1958-8-7 s. n. Los Angeles San Fernando Valley San Fernando Valley State College campus on Lindley Ave. Road bed opposite Building F. 274 Comment
  SBBG32088  Matricaria discoidea R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -191 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  POM8022  Meconella denticulata F. L. Robinson 1920-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  HSC98389  Medicago lupulina Wendell Wood 1970-6-17 5 Los Angeles 3135 Linda Vista Rd., Glendale 366 Comment
  RSA675004  Medicago polymorpha LeRoy Gross 2003-2-22 735 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
  UCR261320  Medicago polymorpha R. G. Swinney 2010-3-13 11882 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA652175  Medicago polymorpha A. E. Hersh 1950-7-2 s.n. Los Angeles 4111 Wade St., Venice. 30 Comment
  RSA617399  Medicago polymorpha var. brevispina Scott D. White 1998-6-4 6631 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, North Lake Planned Community 425 Comment
  SBBG20535  Medicago sativa E. R. Blakley 1963-12-7 6369 Los Angeles 200 yds SE of new air strip 60 Comment
  POM348064  Medicago sativa N. C. Cooper 1948-5-13 2763 Los Angeles Pomona. 244 Comment
  RSA652796  Medicago sativa Jim Reutzel 1994-5-15 42 Los Angeles Beside the drainage ditch in northwestern most parking lot, north of cow stables, west of architecture building, and handicapped/medical parking spaces. Cal Poly Pomona. Comment
  CDA5155  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-1 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro. Comment
  CATA1355  Melica imperfecta Mark L. Hoefs, Robert F. Thorne 1995-7-26 2466 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  POM357053  Melica imperfecta Jack Rempel 1932-4-24 s.n. Los Angeles El Segundo. Comment
  RSA534044  Melica imperfecta Timothy S. Ross, Orlando Mistretta, M. Hammitt 1991-5-19 5259 Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336') marker, 1800ft SE of Malo Knoll (1396')) Beginning of drainage. 386 Comment
  RSA479528  Melica stricta Steve Boyd, Laura Kopase 1987-6-8 2072 Los Angeles San Gabriel Mtns, 5 miles WNW of Wrightwood in Cedar Canyon near Jct. with Mescal Creek. 1524 Comment
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Sep 17 2014
  RSA646958  Melica stricta Orlando Mistretta 1993-6-2 850 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch. 2042 Comment
  RSA652194  Melilotus albus F. Zuazo 1953-2-5 s.n. Los Angeles Gardina. St Andrew Pl. Ele. 800 ft. 243 Comment
  SBBG127980  Melilotus albus M. L. Hoefs, S. A. Junak, K. Kirkland 1996-7-11 2756 Los Angeles hillside by City Fire Station, Avalon 18 Comment
  POM348188  Melilotus indicus Wm. Martin 1971-8-25 s.n. Los Angeles Point Dume. Comment
  UC1211017  Melilotus indicus Huron H. Smith 1912-6-13 5101 Los Angeles Rock Spring Canyon Santa Catalina Island 60 Comment
  RSA782214  Mentha spicata R. G. Swinney 2009-8-25 11491 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCSB72213  Mentzelia affinis Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  UCR123812  Mentzelia albicaulis Steven R. Hill, K. Kramer 2001-4-22 33342 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR271056  Mentzelia dispersa R. G. Swinney 2011-6-6 15003 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR273423  Mentzelia dispersa R. G. Swinney 2011-6-22 15244 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  CLARK-A1528-3164  Mentzelia gracilenta John C. Roos 1937-3-25 543 Los Angeles Lancaster Comment
  SBBG33680  Mentzelia micrantha V. Soza, S. Boyd 2002-4-10 1390 Los Angeles ridge above E fork of Haskell Cyn, ridge just W of Del Sur Ridge, approx 2 mi NW along Coarse Gold Cyn fire rd from Bouquet Cyn. 655 Comment
  UC1583151  Mentzelia micrantha Tim Ross, Steve Boyd 1990-5-14 2473 Los Angeles Tujunga Ranger District San Gabriel Mountains, Yerba Buena Ridge, Angeles National F; NE 1/4 SW 1/4 1121 Comment
  SD134435  Mentzelia pinetorum Craig Reiser 1990-5-16 Los Angeles Mount McDill on the Ritter Ranch, NW of Palmdale Comment
  RSA0115478  Mentzelia veatchiana A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33520 Los Angeles Western End of Antelope Valley and Mojave Desert: hills south of Hwy 138 at 290th St. West, SW of VABM Zana. 915 Comment
  RSA650016  Mesembryanthemum blandum Tom Kawakami 1948-2-15 s.n. Los Angeles Loma Vista Way & Paige, Pomona. Comment
  CAS-BOT-BC435246  Mesembryanthemum crystallinum Le Roy Abrams 1899-4-1 s.n. Los Angeles Ballona Harbor Comment
  SD53054  Mesembryanthemum crystallinum Peter H. Raven 1962-7-11 18008 Los Angeles San Clemente Island, Bluffs above ocean 1 mile south of Wilson Cove Comment
  SBBG95490  Mesembryanthemum nodiflorum M. B. Dunkle 1939-4-2 7215 Los Angeles Pyramid Pt Comment
  SBBG131668  Microseris douglasii S. A. Junak 1999-5-20 SCa 956 Los Angeles Cottonwood-Black Jack Rd 304 Comment
  POM18983  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 a Los Angeles San Clemente Island, middle of island Comment
  UCR170613  Microseris lindleyi Dan S. Cooper 2005-6-6 s.n. Los Angeles San Andreas Rift Zone, N of Lake Elizabeth [ESE of Lake Hughes] 1189 Comment
  UCR280550  Microseris lindleyi R. G. Swinney 2014-4-18 16133 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA578962  Microsteris gracilis T. S. Ross, S. D. Boyd 1994-5-11 7780 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  RSA339632  Mimulus aurantiacus Robert F. Thorne, M. Z. Thorne 1980-3-23 54008 Los Angeles Johnson's Pasture, above Claremont. 610 Comment
  RSA652516  Mimulus aurantiacus Jim Reutzel 1994-5-22 46 Los Angeles Hills behind the Cal Poly Pomona University Health center. Comment
  RSA0045479  Mimulus aurantiacus Jami Liberi 1983-5-1 29 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  RSA151198  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-7-11 18001 Los Angeles on hot rocky wall near head of Twin Canyon, San Clemente Island 427 Comment
  RSA641372  Mimulus brevipes Orlando Mistretta 1995-6-23 1839 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. 1814 Comment
  UCR224016  Mimulus cardinalis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11681 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UC27072  Mimulus constrictus J. Burtt Davy May 9 1896-May 24 1896 2488 Los Angeles near Manzana; Antelope Valley 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
  RSA435515  Mimulus floribundus Louis C. Wheeler 1933-9-3 2100 Los Angeles Barrett Canyon off San Antonio Canyon. 1311 Comment
  RSA291705  Mimulus floribundus Wayen E. Sawyer 1981-7-17 96 Los Angeles near Lily Springs, above Angeles Crest Highway, San Gabriel Mountains, Angeles National Forest. Comment
  RSA732859  Mimulus fremontii R. G. Swinney 2001-5-17 7952 Los Angeles Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA409057  Mimulus fremontii George Vowels 1968-3-1 s.n. Los Angeles Foothills facing Mohave desert, sout of Pearblossom. Comment
  RSA0091345  Mimulus guttatus R. G. Swinney 2011-5-12 14710 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Cyn. 1195 Comment
  UCR187200  Mimulus guttatus A. C. Sanders 2006-4-18 32114 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  RSA632429  Mimulus johnstonii Valerie L. Soza, LeRoy Gross, Jean Kuo 1999-7-6 610 Los Angeles San Gabriel Mountains: Southwestern side of Big Rock Creek, Manzanita Trail from South Fork Campground. 1585 Comment
  CLARK-A1528-869  Mimulus longiflorus Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA733041  Mimulus moschatus R. G. Swinney 1999-8-16 7650 Los Angeles Wrightwood area. Flume Canyon, spring c. 200m north if Guffy Camground. Spring on N-facing slope. 2445 Comment
  POM67063  Minuartia douglasii Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA65504  Minuartia douglasii F. W. Peirson 1920-6-10 5316 Los Angeles below Inspiration Point, Mt. Lowe. 1341 Comment
  SBBG80285  Mirabilis californica F. C. Boutin 1967-4-23 1683 Los Angeles Lemon Tank 304 Comment
  RSA350684  Mirabilis laevis var. cordifolia M. B. Dunkle 1939-4-3 1234 Los Angeles Chinetti Canyon, San Clemente Island Comment
  SBBG84  Mirabilis laevis var. crassifolia R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SEINET3142123  Mirabilis laevis var. crassifolia R. Moran 1958-9-18 6848 Los Angeles 2 mi SE of Eel Point, San Clemente Island 75 Comment
  CDA5056  Modiola caroliniana Phillipson 1915-5-7 Los Angeles South Monrovia. Comment
  UCD86112  Monanthochloe littoralis Robert F. Thorne; P. Everett 1965-5-11 34535 Los Angeles Santa Catalina Island. Salt flat inside Ballast Point on E side of Catalina Harbor. Comment
  UCR256185  Monardella australis subsp. cinerea R. G. Swinney 2010-9-23 13881 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  CAS-BOT-BC219912  Monardella breweri subsp. glandulifera LeRoy Abrams 1902-7-7 2662 Los Angeles Glendora Comment
  SBBG127049  Monardella breweri subsp. lanceolata A. Parikh, N. Gale 2011-7-6 3540 Los Angeles rd to Barley Flats, 3.9 km W of Shortcut Station, 1 km N of St Hwy 2; San Gabriel Mtns 1688 Comment
  UCSB32451  Monardella breweri subsp. lanceolata Miller, Brian 1960-7-11 Los Angeles Switzer's Inlet, San Gabriel Mountains 914 Comment
  SD41984  Monardella exilis Darley F. Howe 1947-5-5 1527 Los Angeles Between Palmdale and Littlerock. Comment
  SFV19152  Monardella exilis J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .3 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  RSA408589  Monardella lanceolata var. lanceolata Ducelia Sabb 1937-6-28 s.n. Los Angeles Near Los Angeles. Comment
  SEINET5333385  Monardella saxicola L. Wheeler 1935-11-3 4065 Los Angeles Palmer Canyon, San Gabriel Mts. 518 Comment
  RSA707387  Monardella viridis subsp. saxicola Naomi S. Fraga, Tim Thibault, Eshan Taquvi 2005-7-26 1632 Los Angeles West Fork of Palmer Canyon. 671 Comment
  RSA248895  Monolepis nuttalliana R. F. Thorne 1973-4-12 42952 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  UC55740  Mucronea californica Ernest Braunton 1902-6-4 417 Los Angeles L. A. River Comment
  CAS-BOT-BC263357  Muhlenbergia asperifolia G. B. Grant 1897-9-11 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC262700  Muhlenbergia californica V. W. Steinmann; R. Cerros T. 1996-7-7 924 Los Angeles San Gabriel Mts., ca. 2 km (by trail) from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail in the second large drainage that crosses the trail 1350 Comment
  RSA512026  Muhlenbergia californica L. C. Wheeler 1967-7-30 s.n. Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  RSA617233  Muhlenbergia californica LeRoy Gross 1998-9-12 53 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  UCR191255  Muhlenbergia californica R. G. Swinney 1999-7-28 7575 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  HSC83457  Muhlenbergia microsperma D. L. Koutnik 1978-5-2 460 Los Angeles Bell Canyon in the Simi Hills. 427 Comment
  UCR200139  Muhlenbergia microsperma Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 809 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 595 Comment
  UCR209272  Muhlenbergia rigens R. G. Swinney 2008-10-7 9481 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  UC1577336  Muilla maritima Baki Kasapligil 1960-4-11 3223 Los Angeles slopes near dam; Little Rock Canyon 1127 Comment
  LA210908  Najas guadalupensis Arthur C. Gibson; 2008-9-7 5390 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  CAS-BOT-BC259788  Nassella cernua F. H. Billings 1922-5-1 s.n. Los Angeles Redlands Comment
  POM1066  Nassella cernua Anstruther Davidson 1918-04 s.n. Los Angeles Vacant lot in Los Angeles Comment
  RSA717420  Nassella lepida Gary Kovnat, LeRoy Gross 2003-2-2 8 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail. Comment
  SBBG108145  Nassella lepida S. L. Crockett, M. L. Hoefs, S. A. Junak, J. Takara 1997-3-28 619 Los Angeles end of Cat Harbor Rd, NE side of Cat Harbor Comment
  SBBG112777  Nassella lepida S. A. Junak with M. L. Hoefs, K. Kirkland 1998-4-4 SCa 522 Los Angeles Little Ripper's Cyn, just inland from beach 9 Comment
  RSA127899  Nassella pulchra P. H. Raven 1959-5-9 14161 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage, 274 Comment
  UC199554  Nassella pulchra A. Davidson, M. D. 3222 Los Angeles 6 and Coronado St. Los Angeles Comment
  RSA431552  Nasturtium officinale Edwin Kline 1924-8-3 14852 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  UC1971409  Nasturtium officinale Louis C. Wheeler 1966-10-1 8922 Los Angeles SAN GABRIEL MOUNTAINS: Mill Creek at Colby Ranch Road. Comment
  RSA705967  Navarretia atractyloides Michael Wall, Katie Sims 2005-6-9 395 Los Angeles Rancho Santa Ana Botanic Garden native to site in plant communities section D-13. Comment
  RSA469875  Navarretia intertexta M. Bisbee 1917-5-8 s.n. Los Angeles Dry hills, Eagle Rock Comment
  SBBG122013  Navarretia ojaiensis A. Parikh, N. Gale 2003-5-31 750 Los Angeles 0.5 km N of Hwy 101, 0.4 km E of Cheeseboro Rd; Agoura Hills 295 Comment
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Nov 30 2010
  SFV20779  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 480 Comment
  SEINET10619229  Nelumbo nucifera Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2559 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  CAS-BOT-BC109085  Nemacaulis denudata var. denudata Geo. B. Grant 1901-1-1 827 Los Angeles From Terminal Island. Comment
  RSA600062  Nemacladus sigmoideus Steve Boyd, Lauren Raz 1997-5-20 9817 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
  SEINET5521005  Nemophila menziesii E. Braunton 166 Los Angeles Garvanza Comment
  UC56874  Nemophila menziesii var. integrifolia H. M. Hall May 1 1902-May 3 1902 3081 Los Angeles vicinity Elizabeth Lake; Antelope Valley, Pine Canyon; vicinity of Elizabeth Lake, Antelope Valley 1219 Comment
  UCR173882  Nicolletia occidentalis Scott D. White, Michael Honer 2004-3-30 9952 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  RSA730311  Nicotiana attenuata R. G. Swinney 1998-9-4 6912 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  CDA5791  Nicotiana glauca T. S. Ross, Walter Appleby 1993-5-19 7179 Los Angeles Transverse Ranges; San Gabriel Mts region; Western San Gabriel Mountains: long SSE-trending ridge S of Wilson Canyon Saddle. Comment
  RSA172328  Nicotiana glauca Robert F. Thorne, James Henrickson 1963-5-5 32276 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA3500  Nicotiana glauca Carl B. Wolf 1932-5-9 3443 Los Angeles Pebbly Beach, Santa Catalina Island. 8 Comment
  RSA426696  Nicotiana glauca L. H. Jones 1909-4-1 s.n. Los Angeles Mount Wilson Trail, Sierra Madre. 335 Comment
  RSA683177  Nicotiana glauca LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1097 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR125916  Nicotiana glauca A. C. Sanders, Mark Elvin 2002-6-19 25201 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  VVC497  Nicotiana glauca P. J. MacKay 1975-4-17 s.n. Los Angeles Los Angeles Basin, Cal Poly Pomona; parking lot, northeast corner, just above health center 274 Comment
  LA51859  Nicotiana quadrivalvis Carl Epling; M. Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  SBBG70585  Nicotiana quadrivalvis R. Hoffmann 1928-7-9 Los Angeles Bouquet Cyn Comment
  SD237631  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 the Santa Fe Flood Control Basin, N of Arrowy Hwy and south of Duarte (Baldwin park 7.5'Q) 139 Comment
  LA211285  Nicotiana quadrivalvis Arthur C. Gibson; 2005-7-3 5077 Los Angeles SIMI HILLS, Chesebro Canyon, Cheeseboro SMMNRA, Service road; Mulholland Highway. Comment
  RSA69488  Nitrophila occidentalis E. L. Paddock 1951-8-1 s.n. Los Angeles Coyote Creek Wash, toward Norwalk. Comment
  RSA736165  Oenothera dentata Rosemarie Zimmermann 1964-5-1 340 Los Angeles E side Hwy 99, 1 miles S of Labor ledge S of Castar Lake. Tehachapi, San Joanquin Valley. 1265 Comment
  JEPS43970  Oenothera elata subsp. hirsutissima Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  UCR206470  Oenothera rosea A. C. Sanders, T. B. Salvato 2009-5-20 36848 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  SBBG12658  Oligomeris linifolia E. R. Blakley 1962-6-9 5199 Los Angeles cyn W of rd, 2.5 mi N of China Pt 175 Comment
  SEINET9037809 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18411 Los Angeles Pomona, 650m SSE of the summit of Elephant Hill 280 Comment
  UCR276956  Opuntia basilaris R. G. Swinney 2010-6-1 13087 D Los Angeles San Gabriel Mountains, Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1098 Comment
  SBBG124184  Opuntia basilaris var. basilaris R. Burgess, D. Magney, P. Munro 1994-7-9 1396 A Los Angeles Hungry Valley, along Hungry Valley Rd, Hungry Valley State Vehicle Recreation Area 1280 Comment
  RSA799968  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7815 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 4.0 air mi SE of the town of Gorman, 0.6 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1045 Comment
  UCR261344  Opuntia littoralis R. G. Swinney 2010-4-1 12171 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  POM271056  Orcuttia californica A. A. Beetle 1946-6-11 4678 Los Angeles Around airport at corner of South Western Ave. and Rosecrans Avenue Comment
  UC887978  Orobanche bulbosa Carl B. Wolf 1932-10-5 4232 Los Angeles Santa Catalina Island, s side of Black Jack Peak, below workers dormitories Black Jack Peak; Santa Catalina Island, Black Jack Peak 304 Comment
  UC887996  Orobanche fasciculata L. W. Nuttall 355 Los Angeles Santa Catalina Island. Comment
  RSA0006074  Orobanche valida subsp. valida F. W. Peirson 1928-6-2 7937 Los Angeles S fork of Rock Creek: trail toward the summit. 1982 Comment
  UC894272  Osmadenia tenella I. W. Clokey, B. C. Templeton 1936-5-18 5662 Los Angeles Puddingstone Reservoir Comment
  POM353412  Oxalis corniculata M. B. Dunkle 1933-4-14 3295 Los Angeles Long Beach. Comment
  SEINET920555  Oxalis corniculata Wesley O. Griesel 1961-1 s.n. Los Angeles La Canada. 457 Comment
  RSA434246  Paeonia californica Charlotte Brown 1929-1-13 s.n. Los Angeles Sierra Madre. Little Santa Anita Canyon Comment
  UCR271817  Paeonia californica R. G. Swinney 2010-4-28 12398 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
  UC9347  Paeonia californica J. H. Barber 1897-1-24 27 Los Angeles Santa Monica Mts. Comment
  HSC65744  Panicum acuminatum var. fasciculatum R. F. Thorne, Larry E. DeBuhr 1974-6-28 44776 Los Angeles San Gabriel Mtn., Angeles National Forest. Lime Spring to Coldbrook Creek. 1250 Comment
  LA85598  Papaver californicum Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  PASA1607  Papaver californicum Frank W. Peirson 1921-4-10 Los Angeles Trail to Sycamore Flat, San Dimas Region 533 Comment
  UCSB69228  Parietaria hespera Gross, LeRoy; Soza, Valerie 2001-6-6 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road 701 Comment
  SDSU11316  Parietaria hespera var. californica R. M. Beauchamp 1967-3-18 284 Los Angeles In moist, shady area on south slope of canton below Lemon Tank. San Clemente Island. 305 Comment
  UCR123613  Parietaria judaica Carolyn Washburn 2002-6-27 s.n. Los Angeles Southern Coast, Manhattan Beach, along Highland Ave. at Shell St. 2 Comment
  UCR194287  Parnassia cirrata R. G. Swinney 1998-10-3 6994 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1/2 mile east (upstream) from Upper Fish Fork Campground, tributary from N side of San Antonio Ridge 1939 Comment
  RSA591405  Paspalum distichum L. C. Wheeler 1931-9-6 148 Los Angeles Puddingstone Dam 274 Comment
  RSA623864  Paspalum distichum Charlotte M. Hoak 3908 Los Angeles Santa Monica Canyon. Comment
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May 29 2014
  SEINET11957947  Passiflora caerulea J. F. Bright, Wyman, C. 1931-1 5292 Los Angeles Los Angeles Comment
  UCR200176  Pectocarya linearis subsp. ferocula Valerie Soza, Laura A. Moore 2000-5-10 842 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 579 Comment
  SD215434  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-25 9279 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Crek drainage in broad alluvial valley at head of Cienaga Canyon south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  UCR259770  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 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
  UCR77560  Pectocarya recurvata T. S. Ross 1992-4-4 6105 Los Angeles Southwest Mojave Desert, Three Sisters, 1 mi. SE of Black Butte. Middle butte of the three 1008 Comment
  RSA589185  Pectocarya recurvata T. S. Ross 1991-4-28 4738 Los Angeles Black Butte, Southeasterly finger of the butte. 930 Comment
  IRVC29541  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  POM19208  Pectocarya setosa P. A. Munz 1923-5-27 6899 Los Angeles San Gabriel Mountains, Pallett Creek Comment
  SBBG68696  Pedicularis semibarbata Anstruther Davidson 1893-1 Los Angeles Rock Crk Comment
  RSA526594  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4178 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  LA94181  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-3-12 1686 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  SFV67  Pellaea mucronata var. mucronata J. H. Wood 1958-4-19 s. n. Los Angeles Santa Susana Mountains 5 miles north of Chatsworth on Route 118 on north side of pass. 489 Comment
  UCR280773  Pennisetum setaceum R. G. Swinney 2014-5-27 16647 A 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
  UCR282589  Penstemon X parishii Dan S. Cooper 2017-6-13 617- 36 Los Angeles 25742 Mulholland Hwy, Calabasas 247 Comment
  UC1532960  Penstemon caesius R. F. and M. Z. Thorne 1969-7-10 38356 Los Angeles ca 1 1/2 mi se Dawson Saddle (along Angeles Crest Hwy, near Lodgepole Picnic Ground); San Gabriel Mts, Angeles National Forest 2316 Comment
  UCR202738  Penstemon caesius R. G. Swinney 2001-8-27 8100 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  CHSC101199  Penstemon centranthifolius Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -40 Los Angeles Transverse Ranges; San Gabriel Mountains region: off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains, near Shoemaker Canyon. 1444 Comment
  RSA0086832  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SFV18224  Penstemon centranthifolius M. Danielczyk 2001-5-16 35 Los Angeles San Gabriel Mountains Highway 2, mile marker 43.17. 1450 Comment
  UCR224261  Penstemon centranthifolius R. G. Swinney 2009-6-24 11275 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
  JEPS26475  Penstemon centranthifolius Peter H. Raven, Henry J. Thompson 1960-4-12 15038 Los Angeles junction of Latigo Canyon Road with Mulholland Highway; Santa Monica Mountains, jct Latigo Canyon Rd w/Muholland 518 Comment
  RSA649975  Penstemon centranthifolius Marion P. Harthill 1972-4-1 632 Los Angeles Mt. Wilson. Comment
  RSA407918  Penstemon heterophyllus var. australis N. C. Cooper 4211 Los Angeles Angeles Crest Highway. 1067 Comment
  UC1602297  Penstemon labrosus J. H. Barber 1897-7-11 267 Los Angeles summit of Mt. Gleason summit of Mt. Gleason (Southern California) Comment
  JEPS11385  Penstemon speciosus Frank W. Peirson 1922-7-5 3193 Los Angeles Big Pines San Gabriel Mountains, Big Pines 2072 Comment
  UC1595275  Penstemon spectabilis Tim Ross and Peter Fritsch 1990-6-20 3690 Los Angeles ridgetop between West Fork of San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  RSA0091974  Pentagramma triangularis R. G. Swinney 2011-11-1 15948 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  RSA0062909  Pentagramma triangularis H. J. Thompson 1959-3-31 1915 Los Angeles Santa Monica Mountains: 2 miles south-west of Seminole Hot Springs about 2 miles south-west of Cornell. 396 Comment
  CATA526  Pentagramma triangularis subsp. triangularis Sara L. Crockett 1997-4-29 677 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde, slope below barbed-wire fence line 420 Comment
  SBBG125056  Perideridia pringlei A. Parikh, N. Gale 2010-6-8 3264 Los Angeles E Liebre Mtns, Sierra Pelona, NW of Vincent and Soledad Pass, 3.4 km NW of State Hwy 14, under power lines 1185 Comment
  LA33622  Peritoma arborea Henry J. Thompson; 1958-11-28 1827 Los Angeles Santa Monica Mountains, 1 mi NW of Point Mugu opposite Mugu Salt Marsh 15 Comment
  SBBG131597  Perityle emoryi S. A. Junak 1999-7-15 SCa 1026 Los Angeles Salta Verde Beach, just E of S-facing bluffs/rock face 6 Comment
  RSA471840  Perityle emoryi M. B. Dunkle 1939-4-7 7335 Los Angeles Pyramid Cove, San Clemente Island Comment
  SEINET3142748  Perityle emoryi G. B. Grant 7167 Los Angeles Catalina Island Comment
  CAS-BOT-BC418874  Persicaria hydropiperoides LeRoy Abrams 1904-9-2 4186 Los Angeles Los Angeles River, Los Angeles Comment
  CAS-BOT-BC419005  Persicaria lapathifolia Louis C. Wheeler 1966-10-27 9099 Los Angeles San Gabriel Mountains, Angeles National Forest: West Fork of San Gabriel River at Camp Rincon Comment
  RSA788639  Petunia parviflora D. E. Bramlet, R. L. Allen 2011-5-23 4843 Los Angeles Whittier Narrows Recreation Area. N shoreline of the middle Legg Lake, 301m east of Rosemead Blvd. and 532m S 60 freeway. 64 Comment
  POM127608  Phacelia bicolor Katherine Brandegee s.n. Los Angeles Lancaster. Comment
  UC107602  Phacelia brachyloba Rev. J. C. Nevin Los Angeles near Los Angeles Comment
  LA200564  Phacelia cicutaria var. hispida Norman A. Cole; May 1964 354 Los Angeles SANTA MONICA MOUNTAINS, 2.9 mi from Pacific Coast Hwy along Rambla Pacifico. 335 Comment
  RSA0081781  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12956 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0097165  Phacelia cicutaria var. hispida R. G. Swinney 2011-5-31 14897 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
  UC881136  Phacelia cicutaria var. hispida Ira W. Clokey, B. Templeton Apr. 1929 4521 Los Angeles Mandeville Canyon Santa Monica Mountains (hills) 200 Comment
  RSA549510  Phacelia davidsonii Tim S. Ross 1990-6-18 3464 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA426202  Phacelia distans Edwin Kline 1926-5-9 s.n. Los Angeles Tujunga Canyon. Comment
  RSA730247  Phacelia distans R. G. Swinney 1999-6-5 7267 Los Angeles San Gabriel Mtns.: ridge extending west from Big John Peak, above Big John Flat 1799 Comment
  UCR192193  Phacelia distans A. C. Sanders 2008-4-18 34969 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  RSA74931  Phacelia distans F. W. Peirson 1932-4-17 9866 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, SW Mojave Desert. 762 Comment
  CAS-BOT-BC141538  Phacelia floribunda Peter H. Raven 1962-5-10 17728 Los Angeles San Clemente Island, near bottom of Horse Canyon (large canyon west of Thirst) 457 Comment
  SD51899  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles Northwest Harbor, west end. 14 Comment
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Feb 20 2017
  RSA426156  Phacelia fremontii Anstruther Davidson 1895-8-3 s.n. Los Angeles Lancaster Comment
  RSA155826  Phacelia grandiflora Peter H. Raven 1962-5-23 17859 Los Angeles Santa Catalina Island, ocean bluffs at East side of Avalon Bay. Comment
  SEINET3860279  Phacelia grandiflora R. G. Swinney 2009-4-21 10415 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.; 0 192 Comment
  RSA602247  Phacelia imbricata subsp. imbricata R. S. Woglum 1937-7-17 833 Los Angeles North Fork of San Gabriel River. Comment
  RSA651727  Phacelia imbricata subsp. imbricata Paul M. Inman 1983-5-8 50883 -6 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 miles north of Arcadia. From east facing ridge. On upper Creek Trail leading to Hoegee's camp. 915 Comment
  UCR129926  Phacelia imbricata subsp. imbricata Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1137 Los Angeles San Gabriel Mtns, Santiago Canyon 1143 Comment
  RSA0091082  Phacelia minor R. G. Swinney 2011-3-22 14174 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA0098833  Phacelia minor R. G. Swinney 2011-4-26 14473 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
  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
  UCR256166  Phacelia minor R. G. Swinney 2010-3-22 12003 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  UC410540  Phacelia minor Alice Eastwood 1928-6-15 15412 Los Angeles Claremount Comment
  RSA310140  Phacelia mohavensis Wayen E. Sawyer 1981-6-16 52 Los Angeles Lily Spring. 2454 Comment
  UC1174694  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  RSA127920  Phacelia ramosissima var. austrolitoralis H. J. Thompson, Peter H. Raven 1959-6-4 14319 Los Angeles Point Dume. 46 Comment
  LA38565  Phacelia ramosissima var. latifolia J. A. Ewan; 1932-6-28 7511 Los Angeles 99 Comment
  LA81959  Phacelia viscida O. H. Kappler; 1941-4-9 191 Los Angeles Santa Monica Mountains, Carbon Canyon, N of Pacific Coast Hwy 101, N of road Comment
  CATA1286  Phalaris aquatica Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-13 2374 Los Angeles Santa Catalina Island: Silver Peak Trail Road, off of Upper West End Road 475 Comment
  CATA730  Phalaris aquatica Mark L. Hoefs 1991-5-18 1243 Los Angeles Santa Catalina Island: Upper Middle Canyon, near Edison pump station 344 Comment
  CATA760  Phalaris aquatica Mark L. Hoefs 1991-5-28 1296 Los Angeles Santa Catalina Island: At Black Jack Campground 490 Comment
  CATA836  Phalaris aquatica Mark L. Hoefs 1991-6-26 1435 Los Angeles Santa Catalina Island: Bulrush Canyon 335 Comment
  UCR281794  Phalaris aquatica Mitch Provance, Scott Duff 2017-6-29 617- 53 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, 0.2 miles SE of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  CAS-BOT-BC259060  Phalaris lemmonii Steven A. Junak 1997-4-22 SCI- 849 Los Angeles San Clemente Island: E side of island, along N side of Horton Canyon Road, ca. 0.6 miles E of San Clemente Island Ridge Road, at vernal pool area 466 Comment
  POM275906  Phalaris paradoxa Robert W. Townsend 1948-6-8 s.n. Los Angeles Waste land along Rosemead Blvd., 1.5 miles south of Garvey Blvd., [Pomona] San Gabriel 305 Comment
  SD252260  Phalaris paradoxa Steven A. Junak 1999-5-8 Sca 907 Los Angeles Santa Catalina Island: On W side of Fern Canyon, in Cottonwood Canyon drainage, along abandoned road, W-facing hillside. 121 Comment
  RSA0115764  Phalaris paradoxa Steven A. Junak 1999-5-20 SCa- 955 Los Angeles Santa Catalina Island. Cottonwood-Black Jack Road, plant stop. 304 Comment
  SEINET10746303  Philodendron Thomas B. Croat 2003-4-6 Croat 87606 Los Angeles Cultivated Plants. Los Angeles County Arboretum, Rare Plant House. Comment
  UCR142488  Pholistoma auritum F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  RSA628875  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCD120942  Pholistoma membranaceum Daryl Koutnik; Vickie Dawes 1978-4-6 289 Los Angeles State Highway 18 just east of Valermo turnoff. 944 Comment
  RSA459305  Pholistoma racemosum F. R. Fosberg 1931-3-24 4345 Los Angeles Hamilton s Canyon, Santa Catalina Island 50 Comment
  RSA459307  Pholistoma racemosum F. R. Fosberg 1931-4-10 S 4564 Los Angeles Avalon Canyon; Santa Catalina Island. 180 Comment
  RSA0056542  Pholistoma racemosum Orlando Mistretta 1989-5-15 s.n. Los Angeles Channel Islands; San Clemente Island: Bryce Canyon. 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
  RSA384018  Phyllospadix torreyi Freda Detmers 1932-11-27 16201 Los Angeles 3 miles N [W] of mouth of Topanga Canyon. Comment
  RSA683974  Phyllospadix torreyi E. Yale Dawson 1956-11-30 15536 Los Angeles Rocky beach E of Flat Rock Point, Station no 7, 180-200 ft from shore base point Comment
  RSA423754  Physalis philadelphica Anstruther Davidson 1889-08 s.n. Los Angeles Los Angeles. Comment
  LA200507  Pickeringia montana subsp. montana A. M. Johnson; 1932-5-14 4063 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA579229  Picris echioides Timothy S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, D. L. Banks, Megan Tommerup 1994-3-28 7421 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  RSA787272  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Pacifico Mountain summit 2134 Comment
  RSA0073294  Pinus lambertiana Bonnie C. Templeton 1932-5-31 4863 Los Angeles Between Big Pines Camp and Jackson Lake, San Gabriel Mts. 1829 Comment
  SBBG51412  Pinus murrayana J. L. Huber, R. V. Langmuir 1971-6-5 1145 Los Angeles Mt Baden Powell 2834 Comment
  RSA594962  Pinus sabiniana T. S. Ross 1995-4-26 8390 Los Angeles Upper end of LIEBRE GULCH along Forest Service Road 8N05. 1122 Comment
  SBBG113047  Piperia elongata S. A. Junak with K. Kirkland 1998-4-30 SCa 568 Los Angeles ridge overlooking Hamilton Cyn, downslope from Airport Rd 292 Comment
  RSA0021288  Piptatherum miliaceum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5083 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA535557  Piptatherum miliaceum Timothy S. Ross 1991-9-2 5926 Los Angeles Santa Monica Mountains; near Mulholland Hwy at Yerba Buena Rd. 473 Comment
  RSA763234  Plagiobothrys arizonicus Justin M. Wood 2010-5-10 1574 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  SBBG6331  Plagiobothrys arizonicus H. and M. Dearing 1939-4-4 3081 Los Angeles Little Rock Cyn Comment
  RSA188019  Plagiobothrys canescens var. catalinensis R. F. Thorne 1966-4-28 36255 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
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Jan 31 2008
  RSA188039  Plantago erecta Robert F. Thorne 1966-4-29 36288 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 198 Comment
  SBBG79279  Plantago erecta F. R. Fosberg 1932-5-7 8156 Los Angeles Hay Press [Haypress] Comment
  RSA628894  Plantago erecta Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  UCR206527  Plantago indica A. C. Sanders, T. B. Salvato 2009-5-20 36854 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR214645  Plantago lanceolata A. C. Sanders, Dan S. Cooper 2010-3-12 37381 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA402019A  Plantago ovata Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA0102693  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  POM11215  Platystemon californicus George B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey. Comment
  UCSB70489  Plecostachys serpyllifolia Riefner, R. 2009-6-9 Los Angeles City of Malibu, vicinity of La Piedra State Beach 3 Comment
  CAS-BOT-BC326615  Pluchea sericea Geo. B. Grant 1901-4-9 s.n. Los Angeles East beach, Avalon Comment
  RSA0105006  Poa howellii R. G. Swinney 2011-5-19 14770 B Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  UCR180357  Poa secunda Scott D. White, Pam Devries 2006-5-9 11395 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  UCR208083  Poa secunda V. W. Steinmann 1966-3-30 820 Los Angeles San Gabriel Valley, Pomona, Elephant Hill, east-facing slope above and adjacent to Mission Blvd. at a point 0.5 km southwest of Humane Way 300 Comment
  OBI2548  Poa secunda subsp. secunda Larry E. Brown 1970-5-2 1794 Los Angeles San Gabriel Mts. Ca 10 mi S of Joshua Tree State Park Comment
  UC70994  Poa secunda subsp. secunda J. B. Davy 1901-3-1 Los Angeles Sangus Comment
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Mar 23 2015
  RSA92324  Poa secunda var. secunda F. W. Peirson 1922-5-30 3072 Los Angeles west spur of Mt. Lowe 1371 Comment
  RSA637495  Polycarpon tetraphyllum Valerie L. Soza, LeRoy Gross 1999-7-15 633 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. 822 Comment
  RSA780001  Polycarpon tetraphyllum R. G. Swinney 2009-4-7 10295 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  CAS-BOT-BC167818  Polygala cornuta var. fishiae A. J. McC. 1893-7-29 168 Los Angeles Pasadena 1219 Comment
  RSA460140  Polygala cornuta var. fishiae Anstruther Davidson 1893-07 s.n. Los Angeles Mount Wilson Trail. Comment
  CAS-BOT-BC110517  Polygonum Joseph Andorfer Ewan 1931-2-2 4008 Los Angeles Rio Hondo River at Montebello. Comment
  RSA0077388  Polygonum arenastrum Orlando Mistretta 1992-7-13 671 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR48185  Polygonum argyrocoleon R. F. Thorne 1975-9-4 47394 Los Angeles Santa Catalina Island; Fisherman's Cove; campus of USC Marine Science Center Comment
  CDA35667  Polygonum aviculare subsp. depressum Michael O Brien 2011-7-11 Los Angeles White Oak Farm Unit of Malibu Creek State Park; along Las Virgenes Road. 0 Comment
  RSA466343  Polygonum lapathifolium Erwin Miller 1934-5-14 s.n. Los Angeles Ballona Creek near Playa del Rey. Comment
  RSA557819  Polygonum lapathifolium D. Charlton 1991-7-30 5539 Los Angeles Rancho Santa Clarita, Bouquet Canyon Rd, north of Jct. with Soledad Canyon Rd. 488 Comment
  CATA2114  Polypodium californicum F. C. Boutin 1967-4-23 1658 Los Angeles San Clemente Island: E side of island, Lemon Tank, a dump site 304 Comment
  UCSB62458  Polypodium californicum Kendall, M. 1921-1-30 Los Angeles San Jose Hills, Pomona Comment
  POM12491  Polypodium californicum M. L. Kendall 1921-3-19 72 Los Angeles Puddingstone Canyon, San Dimas Comment
  RSA431143  Polypodium californicum Lyman Benson 1945-1-20 11589 Los Angeles Upper end of upper reservoir, San Gabriel River Canyon. San Gabriel Mountains, Pacific Slope drainage. 427 Comment
  UCSB62343  Polypodium californicum Kiefer, Lawrence 1967-4-23 Los Angeles San Gabriel Mtns., Burro Canyon, tributary of the E fork of the San Gabriel River, ca. 3/4mi from the mouth 518 Comment
  SBBG13792  Polypogon interruptus M. A. Piehl 1962-10-3 62528 Los Angeles main rd near Middle Ranch Crk ca. 0.5 mi from ocean Comment
  CHSC92948  Polypogon monspeliensis John Dittes 2006-1-2 1310 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; at edge of Big Tujunga Creek. 393 Comment
  RSA226235  Polypogon monspeliensis Gary D. Cromwell, David W. Wheat 1971-7-1 696 Los Angeles Mystic canyon, San Gabriel Mountains, Angeles National Forest. Two miles NE of Glendora. 396 Comment
  RSA682713  Polypogon monspeliensis LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1111 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  UCR214647  Polypogon monspeliensis A. C. Sanders, Dan S. Cooper 2010-4-30 38157 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  CAS-BOT-BC237501  Polypogon viridis Peter H. Raven; Henry J. Thompson 1959-10-18 14663 Los Angeles Santa Monica Mountains. Near mouth of Topanga Canyon 4 Comment
  UCR194266  Polystichum imbricans R. G. Swinney 1998-8-5 6657 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA733671  Polystichum imbricans subsp. imbricans R. G. Swinney 1998-8-5 6657 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
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Mar 14 2010
  POM360749  Populus fremontii subsp. fremontii Louis C. Wheeler 1932-4-9 574 Los Angeles Kings Canyon near Elizabeth Lake. 1037 Comment
  POM9569  Populus trichocarpa Philip A. Munz 1920-3-10 3344 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  SD69566  Potamogeton crispus Robert F. Thorne 1966-6-1 36493 Los Angeles Santa Catalina Island: near earth dam at reservoir upper end of Cape Canyon 334 Comment
  POM366489  Potentilla anserina var. grandis Louis Greata 1900-9-2 s.n. Los Angeles Near Ballona. Comment
  RSA228990  Potentilla glandulosa subsp. ewanii Robert F. Thorne 1971-8-25 41316 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  LA52095  Potentilla glandulosa subsp. glandulosa W. O. Griesel; 1936-4-26 sn Los Angeles 328 Comment
  CAS-BOT-BC157933  Prunus emarginata I. M. Johnston 1918-7-5 2079 Los Angeles Head of San Antonio [Canon] Canyon 2346 Comment
  CDA41408  Prunus fasciculata var. punctata Michael O Brien 2015-7-29 s.n. Los Angeles Malibu; County Line State Park , a unit of Leo Carrillo State Beach. 0 Comment
  UC450822  Prunus ilicifolia Fay A. MacFadden 1931-3-29 63 E Los Angeles Verdugo Hills, Tuna Canyon Tuna Canyon; Verdugo Hills, Tuna Canyon Comment
  CAS-BOT-BC154564  Prunus ilicifolia subsp. lyonii Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA451456  Prunus virginiana var. demissa Bonnie C. Templeton 1932-5-31 4851 Los Angeles Vincent Gulch, below Big Pines Camp. Comment
  UCR149522  Prunus virginiana var. demissa R. G. Swinney 1997-6-25 5653 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
  SD39781  Pseudognaphalium beneolens Edith A. Purer 1933-10-7 5595 Los Angeles El Segundo 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
  POM358744  Pseudognaphalium biolettii Richard Arnold 1984-8-10 1036 Los Angeles LAX Dunes, Playa del Rey (El Segundo Blue Survey) Comment
  CHSC57896  Pseudognaphalium californicum Blake A. Rowe 1986-6-30 33 Los Angeles Along the edges of Hwy 126, 1 km s of Canyon Country, Los Angeles. 250 Comment
  SDSU3730  Pseudognaphalium californicum Gerald Collier 1951-5-2 M 541 Los Angeles Faculty hill, 1/4 mile from UCLA campus. Comment
  JEPS20530  Pseudognaphalium leucocephalum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  LA202449  Pseudognaphalium microcephalum Arthur C. Gibson; 2003-8-3 4938 Los Angeles Simi Hills, Box Canyon, hiking trail along Box Canyon Rd, ca 0.3 km S of Pioneer Pass 496 Comment
  SDSU3729  Pseudognaphalium microcephalum R. M. Beauchamp 1967-3-19 315 Los Angeles On east rim of canyon south of Wilson Cove Pier; San Clemente Island. Comment
  LA6324  Pseudotsuga macrocarpa Carl Epling; October 1925 sn Los Angeles San Bernardino Mountains, Camp Baldy 1066 Comment
  UCR101529  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, V. Soza 1997-7-8 10001 Los Angeles San Gabriel Mtns., Northern flank of Sawmill Mtn., upper Heryford Canyon watrshed, along Sawmill Mtn. Road (7N23), c. 0.7 m from the junction w/ Maxwell Truk Trail & Burnt Peak Road. 1500 Comment
  UCR95553  Psoralea macrostachya Steve Boyd, Valerie Soza, Orlando Mistretta 1996-6-12 8834 Los Angeles Liebre Mtns, Castaic Creek drainage upstream from confluence of Fish Canyon. 610 Comment
  UC1440259  Pteris tremula L. L. Kiefer 1967-4-15 3277 Los Angeles n of Monrovia (ca. 1/8 mi above the falls); San Gabriel Mts, Monrovia Canyon 579 Comment
  CATA866  Pterostegia drymarioides Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1675 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  CHSC100171  Pterostegia drymarioides John Dittes 2006-5-30 1377 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Canyon; ca. 3.7 air miles northeast of Verdugo Hills High School, ca. 2.5 air miles southwest of Condor Peak, ca. 2.5 air miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  SFV21435  Pterostegia drymarioides L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 49 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 659 Comment
  UCR24288  Pterostegia drymarioides John C. Roos 1942-5-23 1067 Los Angeles Transverse Range; San Gabriel Mtns., Chantry Flats, Santa Anita Canyon Comment
  UCR270111  Pterostegia drymarioides R. G. Swinney 2010-4-15 12245 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA526577  Pterostegia drymarioides Tim S. Ross 1991-3-24 4313 Los Angeles Whittier Hills (Puente Hills, pro parte). 341 Comment
  JEPS46232  Purshia tridentata var. glandulosa A. E. Wieslander Apr 1928 Los Angeles Rock Creek San Gabriel Mts. (n side of San Gabriel Mts) Comment
  UC1128509  Purshia tridentata var. glandulosa H. S. Yates 1936-4-6 5405 Los Angeles near Valyermo; Rock Creek Quad. 1371 Comment
  POM78694  Pycnanthemum californicum Albert J. Perkins 1912-10-20 s.n. Los Angeles Santa Anita Canyon Comment
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Feb 14 2008
  UC993207  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  POM106168  Quercus X grandidentata Ernest Braunton 1902-6-11 485 Los Angeles Griffith Park Comment
  UCD46915  Quercus X macdonaldii Mrs. Blanch Trask 1909-4-23 s.n. Los Angeles Catalina Isl. Comment
  RSA596812  Quercus agrifolia Tim S. Ross, J. Mark Porter 1995-5-4 8473 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  LA32173  Quercus agrifolia var. agrifolia Peter H. Raven; 1959-3-8 13834 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, 1.1 mi N of Pacific Coast Hwy. 30 Comment
  RSA657359  Quercus agrifolia var. agrifolia L. Yamanaka 1979-6-5 105 Los Angeles 150 meters west of Glendale College Cafeteria located on corner of Verdugo Blvd. and Mountain Ave. Comment
  LA200036  Quercus berberidifolia A. M. Johnson; 1934-5-4 4463 Los Angeles 342 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
  UCD45292  Quercus berberidifolia John M. Tucker 1941-3-2 207 Los Angeles Beside Highway 99, 21 miles south of Gorman, Los Angeles County, California. Comment
  CAS-BOT-BC257061  Quercus chrysolepis P. S. Manos 1988-10-26 663 Los Angeles Angeles National Forest; San Gabriel Mts. Along Rte. 2 1900 Comment
  CAS-BOT-BC62567  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8298 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mountain. 7.5' USGS Quadrangle 1690 Comment
  RSA0092148  Quercus chrysolepis R. G. Swinney 2011-9-22 15684 Los Angeles San Gabriel Mountains: SE side of Camp Colby (Colby Ranch), Colby Gravy marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA488448  Quercus chrysolepis Mark Hoefs 1974-9-17 534 Los Angeles Santa Catalina Island, Gallagher's Canyon- lower west fork 30 Comment
  RSA718066  Quercus chrysolepis R. G. Swinney 1997-8-19 5811 Los Angeles Antonio Peak (=Lookout Mtn.), ridge E of Cattle Canyon and W of the west fork of Bear Canyon. 2077 Comment
  CAS-BOT-BC86899  Quercus douglasii E. R. Blakley 1962-10-5 5464 Los Angeles Santa Catalina Island. Middle Ranch Corral in Middle Ranch Canyon 198 Comment
  UCSB28146  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  RSA702911  Quercus durata var. gabrielensis Scott D. White, Michael Honer 2004-6-30 10546 Los Angeles San Gabriel Mountains: Mt. Baldy (town). Along Glendora Ridge Rd. ca. 0.25 mile SW of jtn. w/ Mt. Baldy Rd. 1311 Comment
  UCR146495  Quercus durata var. gabrielensis Scott D. White 2004-7-27 10664 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  POM295268  Quercus engelmannii Lyman Benson 1949-10-20 14270 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  UCR255497  Quercus ilex Dan S. Cooper 2014-6-26 614- 42 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Lower Sennett Canyon adjacent to Forest Lawn cemetery, at Forest Lawn Dr. 155 Comment
  POM273367  Quercus john-tuckeri Lyman Benson 1947-10-9 12836 Los Angeles 5 miles northeast [NW?] of Big Pine on Valyermo Road. San Gabriel Mt. Mojave Desert. 1677 Comment
  RSA608257  Quercus john-tuckeri Louis C. Wheeler 1966-10-23 9057 Los Angeles Liebre Mountain: North edge of top of ridge between Bouquet Canyon and Martindale Canyon at crossing of Big Oak Trail, north side Sierra Pelona. Comment
  JEPS37323  Quercus pacifica W. L. Jepson 1908-7-12 3043 Los Angeles Catalina Island Comment
  POM243781  Quercus pacifica F. R. Fosberg 1931-5-6 S 4824 Los Angeles Cape Canyon, Santa Catalina Island. 280 Comment
  UCR281775  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 60 Los Angeles Catalina Island, Middle Canyon, SCE corridor, vicinity of Middle Ranch Rd., ENE of Thompson Dam 188 Comment
  UCR281777  Quercus pacifica Mitch Provance, Scott Duff 2017-6-29 617- 69 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  RSA0073124  Quercus pacifica Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 23 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  CAS-BOT-BC104430  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles San Clemente Island, in canyon W of Thirst Comment
  RSA640284  Quercus tomentella Robert F. Thorne 1971-5-18 41361 Los Angeles Santa Catalina Island: upper part of West Fork of Gallagher Canyon. 381 Comment
  UCR107567  Quercus tomentella M. R. Benedict 1971-6-26 s.n. Los Angeles San Clemente Island, Oak Grove, Peak 1942, directly S of White Rock, and near triangulation point 'Alta Comment
  CATA3328  Rafinesquia californica Amy Catalano 2017-4-13 045 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  RSA0091744  Rafinesquia californica R. G. Swinney 2011-5-26 14865 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UC535511  Ranunculus hebecarpus Ira W. Clokey, B. Templeton Apr. 1929 4429 Los Angeles Mandeville Canyon Santa Monica Mountains (n slope) 300 Comment
  SBBG130741  Ranunculus hebecarpus S. A. Junak 2000-4-1 SCa 1158 Los Angeles Cherry Valley, just inland from main rd, along trail 60 Comment
  CAS-BOT-BC74282  Raphanus sativus Peter H. Raven; Henry J. Thompson 1959-6-4 14320 Los Angeles Santa Monica Mountains. Point Dume. 45 Comment
  RSA653642  Raphanus sativus S. Koukol, R. Koukol 1998-5-3 39 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  SEINET10838524  Raphanus sativus David B. Dunn 1941-2-22 Dunn 681 Los Angeles Collected on westwood blvd., 2 Blocks south of santa monica blvd. Comment
  UC1364337  Rhamnus H. H. Rudy 1909-8-22 Los Angeles Monrovia Comment
  RSA607927  Rhamnus californica subsp. californica Louis C. Wheeler 1961-6-13 7880 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  SEINET13203277 Image available Rhamnus californica subsp. californica R. G. Swinney 2011-1 14771 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  UC167092  Rhamnus californica subsp. californica Geo. B. Grant 1904-1 1114 Los Angeles Pasadena Comment
  RSA2995  Rhamnus crocea Carl B. Wolf 1932-3-4 2668 Los Angeles Thompson Creek: S base of San Gabriel Mountains, 3-4 mi. N of Claremont. 457 Comment
  RSA526575  Rhamnus ilicifolia Tim S. Ross 1991-3-24 4310 Los Angeles Whittier Hills (Puente Hills, pro parte).Steep southwesterly slope of canyon that drains SSE into Turnbull Canyon. 238 Comment
  RSA582500  Rhamnus ilicifolia Tim S. Ross, S. D. Boyd 1993-5-23 7272 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  RSA748680  Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles Glendora Mountain summit 1003 Comment
  RSA0039646  Rhamnus ilicifolia Louis C. Wheeler 1932-8-23 24 Los Angeles Loc. W. side Ontario Pk., San Gabriel Mts. 1280 Comment
  CAS-BOT-BC59786  Rhamnus pirifolia Lester Rowntree 1938-3-16 s.n. Los Angeles Catalina. Comment
  LA81884  Rhamnus pirifolia P. C. Everett; Robert F. Thorne 1964-2-6 33301 Los Angeles Santa Catalina Island, in Cherry Cove 60 Comment
  UC1302361  Rhamnus pirifolia Robert F. Thorne and P. C. Everett 1964-2-6 33301 Los Angeles Cherry Cove Santa Catalina Island 60 Comment
  RSA390145  Rhamnus tomentella subsp. cuspidata L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA390147  Rhamnus tomentella subsp. cuspidata I. M. Johnston 1917-8-22 1709 Los Angeles Prarie Fork of San Gabriel River, Lower Transition Zone. 1982 Comment
  UCR167508  Rhamnus tomentella subsp. cuspidata Scott D. White, A. Warniment 2005-9-9 11222 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  UC224184  Rhamnus tomentella subsp. tomentella Munson and Hopkins 1889-7-3 Los Angeles Los Angeles Comment
  POM219988  Rhus integrifolia F. R. Fosberg 1932-5-7 8160 Los Angeles Santa Catalina Island. Grand Canyon below Upper Falls. 130 Comment
  RSA386485  Rhus integrifolia V. V. Giles 1936-7-5 214 Los Angeles San Gabriel River bed at Highway 66. Comment
  RSA386487  Rhus integrifolia C. Epling, Ellison 1930-3-28 s.n. Los Angeles Las Flores Canyon. Santa Monica Mountains. Comment
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Dec 12 2018
  SD75599  Rhus integrifolia Reid Moran 1941-2-18 582 Los Angeles Middle Ranch Canyon, San Clemente Island 349 Comment
  CAS-BOT-BC167949  Rhus ovata Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  CHSC99  Rhus ovata E. Thomas 1940-3-10 Los Angeles Temescal Canyon Comment
  RSA760607  Rhus ovata R. G. Swinney 2008-11-30 9894 Los Angeles Azusa, San Gabriel River Canyon, 1.6 mi. north of Foothill Blvd. at El Encanto Dr., at confluence with Fish Canyon 210 Comment
  RSA162831  Rhus trilobata J. Olmstead 1959-5-13 625 Los Angeles San Antonio Wash 1 mi. south of flood Control Dam 548 Comment
  SBBG65457  Rhus trilobata R. Burgess, B. Meiners, C. Davis, P. Munro 1999-4-16 3271 Los Angeles Canton Cyn, NE of Lake Piru, hills S of Canton Crk 335 Comment
  CAS-BOT-BC433169  Ribes F. Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt Wilson Ridge, San Gabriel Mountains 1767 Comment
  UC11474  Ribes amarum A. J. McClatchie 1896-3-7 Los Angeles San Gabriel Mts. Comment
  SD90237  Ribes aureum var. gracillimum Benjamin C. Stone 1952-3-22 9 Los Angeles Blanchard Park, Claremont. 334 Comment
  SFV1604  Ribes aureum var. gracillimum K. A. Wilson, D. E. Bianchi 1961-2-2 824 Los Angeles San Gabriel Mountains Little Tujunga Canyon, 2 miles north of Route 118. 400 Comment
  SFV1608  Ribes aureum var. gracillimum P. G. Kilburn 1958-3-11 660 Los Angeles San Gabriel Mountains Tapia Canyon, just north of Wayside Honor Ranch property, Castaic. 480 Comment
  SEINET13942332 Image available Ribes californicum Scott D. White 1995-1 2540 Los Angeles San Gabriel mountains, Upslope from USFS San Dimas Stn., N end of San Dimas Res., USGS 7 1/2' Glendora quad, +/- 1500 ft. elev. 34 deg. 10' N, 117 deg. 46' W. T1N, R9W, S24 457 Comment
  CAS-BOT-BC93082  Ribes californicum var. hesperium Le Roy Abrams 1902-3-11 3119 Los Angeles Sepulvada Canyon, Santa Monica Mountains. Comment
  RSA476450  Ribes californicum var. hesperium Unspecified 1920-06 s.n. Los Angeles Santa Monica Range, Canyon of low Mts. Comment
  UCR212834  Ribes californicum var. hesperium Ellen Mackey, Blake Whittington 2006-10-24 NFWF- 1830 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River main stem across from Morris Dam 402 Comment
  CAS-BOT-BC93401  Ribes cereum J. R. Bonquet 1960-8-18 s.n. Los Angeles Blue Ridge summit, San Gabriel Mountains, Angeles National Forest. 2225 Comment
  LA33976  Ribes indecorum Peter H. Raven; 1959-2-25 13812 Los Angeles Santa Monica Mountains, 1.2 mi E of summit, Saddle Peak, N-facing slope 670 Comment
  RSA0025040  Ribes indecorum A. C. Sanders 2003-3-14 25784 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
  CAS-BOT-BC173439  Ribes malvaceum A. J. McC. 1892-1-8 69 Los Angeles San Ber. Mts, near Pasadena Comment
  UCR259269  Ribes malvaceum R. G. Swinney 2010-3-14 11894 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  LA29307  Ribes malvaceum Mary V. Hood; 1942-12-16 42- 98 -k* Los Angeles 91 Comment
  RSA441467  Ribes malvaceum var. viridifolium Glenn B Coy 340 Los Angeles Mulholland Drive, Beverly Hills Comment
  RSA441486  Ribes malvaceum var. viridifolium E. Crow 1929-1-13 146 Los Angeles San Dimas Canyon. Comment
  RSA585539  Ribes malvaceum var. viridifolium Tim S. Ross 1992-4-21 6214 Los Angeles Glendora ridge road: on the divide between San Dimas Canyon and Cattle Canyon, draining northward toward the latter. 1232 Comment
  RSA771529  Ribes malvaceum var. viridifolium Wesley O. Griesel 1986-11-21 s.n. Los Angeles Verdugo Hills: Enter from La Tuna Canyon Road at Junction with Interstate 210. Upper La Tuna Canyon. 610 Comment
  UC440364  Ribes malvaceum var. viridifolium Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  RSA0046853  Ribes malvaceum var. viridifolium T Newton, W. B. McDougall 1929-3-15 s.n. Los Angeles New Newhall, Townsend Canyon. Comment
  RSA278296  Ribes montigenum John F. Emmel 1976-7-13 551 Los Angeles NE upper slope of Mount San Antonio. 3049 Comment
  UCR124739  Ribes nevadense B. C. Templeton 1932-5-31 4853 Los Angeles San Gabriel Mtns., Vincent Gulch below Big Pines Park, Angeles National Forest 2160 Comment
  CAS-BOT-BC209701  Ribes quercetorum Louis C. Wheeler 1932-4-9 575 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  LA205545  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Pescada Canyon, Tejon Ranch Comment
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Sep 10 2015
  RSA476233  Ribes quercetorum Louis C. Wheeler 1932-4-9 580 Los Angeles Mouth Kings Canyon, Elizabeth Lake Region, 976 Comment
  UCR190126  Ribes roezlii R. G. Swinney 1998-8-27 6799 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  UCR78132  Ribes roezlii var. roezlii Wandalee Thompson 1964-4-14 12 Los Angeles Transverse Range; Liebre Mtns., Mouth of Richardson Canyon, 2 miles west of Three Points on N-2 (Pine Canyon Road) 1128 Comment
  UCR78138  Ribes roezlii var. roezlii Wandalee Thompson 1964-4-18 20 Los Angeles Transverse Range; Liebre Mtns., Thompson Ranch entrance road, 20660 West Pine Canyon Road, c. 5 miles west of Lake Hughes 1128 Comment
  RSA754356  Ribes speciosum Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1750 Los Angeles Turnbull Canyon, Turnbull Canyon Road 349 Comment
  UCSB2686  Ribes speciosum Wilson, Richard 1958-3-1 Los Angeles Santa Monica Mountains; On Entrada Lane; 2 miles NS of its junction with Topanga Canyon Rd 304 Comment
  CATA3457  Ricinus communis Benjamin J. Dion, Peter Dixon 2017-7-13 038 Los Angeles Santa Catalina Island: Channel Side; in thick drainage on borders of watersheds White's Landing, Echo Lake, and China Wall 48 Comment
  RSA536040  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  CAS-BOT-BC207164  Ricinus communis Peter H. Raven; Henry J. Thompson 1959-9-6 14377 Los Angeles In coastal sage near mouth of Malibue - Santa Monica Mountains 12 Comment
  RSA746843  Rorippa curvisiliqua R. G. Swinney 2008-4-30 8696 Los Angeles Glendora, Big Dalton Canyon Debris Basin 341 Comment
  CATA1655  Rosa californica Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-6-13 2942 Los Angeles Santa Catalina Island: Behind Little Harbor 9 Comment
  POM122283  Rosa californica Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley. Comment
  RSA628307  Rosa multiflora Louis C. Wheeler 1972-4-27 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just south of national forest boundary. Comment
  CAS-BOT-BC518699  Rubus armeniacus R. G. Swinney 2009-8-6 11541 Los Angeles Transverse Range; San Gabriel Mountains: San Antonio Canyon, belog hogsback, 2.4 mi upstream from Shinn Rd. on canyon bottom 1073 Comment
  RSA584122  Rubus ursinus Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-8 2973 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 Barley Flats). 1213 Comment
  SBBG38733  Rubus ursinus R. Moran 1941-3-7 685 Los Angeles Middle Ranch 200 Comment
  UCD114013  Rubus ursinus Rudolf Schmid 1962-6-7 s.n. Los Angeles Near Manor House, Cal Poly, Pomona. Comment
  RSA611543  Rumex conglomeratus Louis C. Wheeler 1968-10-1 s.n. Los Angeles San Gabriel Mountains: Big Tujunga Canyon, near Doske Road. Comment
  RSA786395  Rumex conglomeratus Doris Bowers 1957-5-2 619 Los Angeles LaVerne 305 Comment
  UCSB1591  Rumex conglomeratus Wedberg, H. 1958-7-15 Los Angeles Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  RSA710509  Rumex crispus Valerie L. Soza, LeRoy Gross 2001-5-9 1189 Los Angeles Southern San Rafael Hills: South of Scholl Canyon, Sleepy Hollow Dr to Valle Vista fire road. 274 Comment
  UCR223379  Rumex crispus R. G. Swinney 2009-7-23 11387 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CAS-BOT-BC433247  Rumex crispus Geo. B. Grant 1902-4-27 s.n. Los Angeles Los Angeles Comment
  POM265701  Rumex crispus J. C. Roos 1942-10-19 2570 Los Angeles On vacant lot, West Los Angeles. Comment
  POM215938  Rumex salicifolius Louis C. Wheeler 1932-6-17 831 Los Angeles 1 mile west of Claremont 366 Comment
  RSA0082655  Rumex salicifolius Ernest C. Twisselmann 1962-4-18 6977 Los Angeles Tejon Ranch: Oso Canyon, ca. 1 mile above Oso Corral. 1036 Comment
  RSA466114  Rumex salicifolius Robert Gustafson 1981-7-15 2339 Los Angeles Ballona Wetlands, Area 2. Comment
  UC72607  Rumex salicifolius var. salicifolius J. Q. Adams 1905-1 16 Los Angeles Soldiers Home Comment
  SDSU21090  Salazaria mexicana Ian Cain 2010-5-9 1399 Los Angeles East south east of Llano. Just north of the corner of Highway 138 and 185th street east 1003 Comment
  CATA1246  Salicornia pacifica Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2326 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA478878  Salicornia virginica F. R. Fosberg 1930-7-7 S 3158 Los Angeles Alamitos Bay. 1 Comment
  POM2068  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles San Antonio Mountains, near head of San Antonio Canyon. 2287 Comment
  RSA588055  Salix gooddingii Orlando Mistretta 1994-4-12 1000 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 976 Comment
  SEINET13387018 Image available Salix gooddingii R. G. Swinney 2011-1 14070 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wison 7.5' Q.) (T1N R11W S15) 232 Comment
  POM184867  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  SBBG27243  Salix laevigata Mrs. H. P. Bracelin, F. R. Fosberg 1931-10-11 568 Los Angeles lower Topanga Cyn, 2.5 km W of Ocean Beach Comment
  SBBG59072  Salix laevigata R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  UC482204  Salix laevigata Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km. w Ocean Beach; Santa Monica Mts., Lower Topanga Canyon 15 Comment
  UC506438  Salix laevigata Carl Hedin and Joseph Ewan 1932-5-10 7649 Los Angeles at Colina Dr. Verdugo Canyon Comment
  SEINET10393059  Salix laevigata G. B. Grant 1904-1 1153 Los Angeles Pasadena. Comment
  UC506432  Salix laevigata Carl Hedin and Joseph Ewan 1933-3-25 7650 Los Angeles Comment
  SEINET12003259  Salix lasiandra C. W. Sharsmith 1932-1 8 Los Angeles Lower San Gabriel Canyon, 9.5 km above Azusa 300 Comment
  RSA0042043  Salix lasiolepis R. G. Swinney 2010-3-10 11830 Los Angeles Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. 442 Comment
  RSA600778  Salix lasiolepis Louis C. Wheeler 1962-6-30 8154 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 976 Comment
  SBBG44668  Salix lasiolepis W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, 0.66 mi from sea Comment
  SBBG57865  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura Comment
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Apr 2 2014
  SBBG57872  Salix lasiolepis C. W. Sharsmith 1932-1-17 10 Los Angeles bottom of Lower San Gabriel Canyon, ca. 9.5 km above Azusa 300 Comment
  SBBG57886  Salix lasiolepis F. R. Fosberg 1932-3-3 7412 Los Angeles Agoura Comment
  UC492420  Salix lasiolepis Carl W. Sharsmith 1932-1-17 9 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  UC492439  Salix lasiolepis F. R. Fosberg 1931-1-26 7179 Los Angeles Topanga Canyon Santa Monica Mts., Topanga Canyon 225 Comment
  UC506467  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-1-28 7627 Los Angeles Comment
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Jun 8 2015
  UCR138841  Salix lasiolepis L. C. Wheeler 1966-8-21 8822 Los Angeles San Gabriel Mtns., Dorr Canyon, NW slope of Mt. Burnham, Lodgepole Picnic Area, Angeles Crest Hwy 2317 Comment
  UCR189877  Salix lasiolepis R. G. Swinney 1998-7-21 6475 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  UCR239976  Salix lasiolepis R. G. Swinney 2009-11-16 11638 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  UCR270468  Salix lasiolepis R. G. Swinney 2011-11-1 15967 Los Angeles San Gabriel Mountains, West Fork San Gabriel Canyon, West Fork Natl. Scenic Bikeway, 50 meters S of Pasadena Bait Club, 1.68 miles below Glen Cyn. Campground 585 Comment
  UCR270868  Salix lasiolepis R. G. Swinney 2010-9-9 13792 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
  CAS-BOT-BC128483  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles On flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  UC437370  Salix scouleriana I. M. Johnston 1917-8-22 1683 Los Angeles bench below ridge crest Pine Mt.; San Antonio Mts., Pine Mt. 2590 Comment
  OBI6212  Salsola gobicola Shirley Vaughan 1974-5-11 4 Los Angeles 10th St E near Kettering St, Lancaster 718 Comment
  CAS-BOT-BC180750  Salsola tragus Cecil Hart 1921-7-1 s.n. Los Angeles Howard & Smith's Nursery, Montebello Comment
  RSA654423  Salsola tragus Matt Brooks 1988-5-12 55 Los Angeles Whittier, Turnbull Canyon Rd. 0.4 miles east of its intersection with Beverly Blvd. Comment
  RSA698764  Saltugilia grinnellii subsp. grinnellii LeRoy Gross, Paul Morton 2004-6-9 1375 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  RSA584774  Saltugilia splendens subsp. grantii T. S. Ross 1992-7-17 6729 Los Angeles Saddle E of Condor Peak summit. 1563 Comment
  RSA469663  Saltugilia splendens subsp. grantii Samuel R. Tyson 1942-6-18 s.n. Los Angeles San Dimas Canyon 1463 Comment
  RSA145221  Salvia apiana Alice Ann Webb 1961-2-9 767 Los Angeles Johnson's Pasture, Claremont, Mt. Range - San Gabriel. 457 Comment
  RSA628618  Salvia apiana Louis C. Wheeler 7055 Los Angeles San Gabriel Mountains: East of Eaton Wash, ca 1/4 mile north of Pasadena police pistol range. (spring of 1954). 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
  RSA0091145  Salvia columbariae R. G. Swinney 2011-5-24 14831 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
  RSA570179  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4794 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA580701  Salvia columbariae Tim S. Ross, Steve D. Boyd 1994-5-25 7908 Los Angeles West summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersections of sections 3,4,9, and 10, T7N R17W. 1684 Comment
  UCD125726  Salvia columbariae Steve Boyd; Orlando Mistretta 1986-3-31 1521 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct with Hwy 18 NE of Pinyon Hills. Comment
  UCR270813  Salvia columbariae R. G. Swinney 2011-5-24 14831 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  SBBG55016  Salvia columbariae T. T. Smith 1962-5-13 25 Los Angeles 0.5 mi up Cobal Cyn Fire Rd N of Claremont 548 Comment
  SFV3208  Salvia dorrii P. G. Kilburn 1958-4-12 718 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  RSA249769  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42986 Los Angeles San Gabriel Mountains. 1143 Comment
  UCLA69669  Salvia dorrii var. pilosa C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  JEPS62725  Salvia leucophylla W. L. Jepson 1920-5-3 8928 Los Angeles Castaic sta. 975 Comment
  UC1584234  Salvia leucophylla Tim Ross and Steve Boyd 1990-6-6 2876 Los Angeles Piru Pond; Los Padres National Forest, Liebre Mtn. U.S.G.S. 7.5' Quad. 644 Comment
  IRVC27790  Salvia mellifera A. C. Sanders 2005-5-11 30184 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  OBI69242  Salvia mellifera John Knapp, Denise Knapp 2003-4-13 18 Los Angeles Catalina Island 3687871.928N x 377624.177E 64 Comment
  RSA434115  Salvia mellifera Bonnie C. Templeton 1929-12-29 1439 Los Angeles Mandeville Canyon, Santa Monica Mts. 250 Comment
  RSA434117  Salvia mellifera Geo. L. Moxley, Grinnell 1916-6-15 s.n. Los Angeles Santa Susana Mountains. Comment
  SD69536  Salvia mellifera Robert Thorne, P. Everett 1965-5-10 34431 Los Angeles Santa Catalina Island: Cape Canyon; near small stream. 274 Comment
  SEINET8018555  Salvia mellifera W. D. Billings 1951-6-18 2103 Los Angeles San Gabriel Range, hillside near Bigcone Spruces, Glendora Mt. Rd. 762 Comment
  UC147937  Salvia mellifera C. F. Baker 1909-5-15 5321 Los Angeles San Antonio Canyon; Claremont Comment
  UC440462  Salvia mellifera Carl Epling and Lincoln Ellison 1929-4-27 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  UCR125936  Salvia mellifera A. C. Sanders, Mark Elvin 2002-6-19 25197 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR219443  Salvia mellifera R. G. Swinney 2009-3-28 10201 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
  RSA0034498  Salvia mellifera Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. Summit Rd. 304 Comment
  SFV15657  Salvia spathacea A. G. Hile 1992-5-10 2 Los Angeles Santa Monica Mountains Malibu, Charmlee Park. North of picnic area. 400 Comment
  UCD137673  Sambucus nigra subsp. caerulea Gordon Pilone 1961-5-7 100 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  POM49800  Sanicula arguta L. W. Nuttall 1920-6-2 s.n. Los Angeles Sea cliffs, Santa Catalina Island. Comment
  RSA251458  Sanicula arguta R. F. Thorne 1973-4-11 42808 Los Angeles San Clemente Island: rocky slopes of upper part of Middle Ranch Canyon. 381 Comment
  LA82387  Sanicula tuberosa O. H. Kappler; 1944-3-26 554 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR242052  Sanicula tuberosa Dan S. Cooper 2012-3-13 312- 13 Los Angeles Western Transverse Range; Santa Monica Mountains, east of Kanan Road (Co Hwy N9), 4 km south of Hwy 101 and 1.3 km north of Triunfo Canyon Road 347 Comment
  RSA706403  Sarcodes sanguinea Tim Thibault, K. E. Olshewsky 2004-5-23 299 Los Angeles Mt. Waterman, along Hwy. 2 at fire road 2055 Comment
  UCR43361  Sarcodes sanguinea David Charlton 1986-6-15 272 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  RSA255806  Sarcodes sanguinea Gary D. Wallace 1969-6-23 822 Los Angeles along angeles Crest Hwy. (st. Hwy 2) 1-2 mi. E of Ridgecrest, 200 yds. W of a picnic ground, Comment
  POM308896  Saxifraga californica K. H. B. 1943-3-22 640 Los Angeles San Dimas Experimental Forest, U.S. Forestry Department. Gage 25 Comment
  CDA20779  Schinus molle M. O'Brien 2006-10-8 s.n. Los Angeles South of Mulholland Hwy., the road from Stunt Rd. to the water tank along the Backbone Trail. Comment
  UCR259641  Schinus molle R. G. Swinney 2010-5-7 12598 Los Angeles San Gabriel Mountains, Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of 'BP and L Rd' and Jimenez St./Dominica Ave. 378 Comment
  RSA0116339  Schinus molle Steven A. Junak 2000-3-31 SCa- 1150 Los Angeles Santa Catalina Island. Just inland from White's Landing, ca. 0.25 mi. inland from beach, at end of road in side canyon. 58 Comment
  CATA719  Schismus arabicus Mark L. Hoefs 1991-5-18 1226 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  RSA588057  Schismus arabicus Orlando Mistretta 1994-4-15 1068 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  UCR25884  Schismus arabicus M. Partsch 1977-5-14 38 Los Angeles Western Mojave Desert, Palmdale Blvd at 140th St. East [SW of Lake Los Angeles] 1067 Comment
  CAS-BOT-BC243454  Schismus barbatus Ira L. Wiggins 1966-4-17 20610 Los Angeles Hillside across valley to east of Alpine Butte Wildflower Sancturary, north of Pearblossom, Mohave Desert Comment
  RSA656162B  Schismus barbatus Joseph M. Keefe 1978-4-20 22726 Los Angeles South east corner of Golden State Freeway (Interstste Hwy. 5), and Ventura Freeway (Calif. Hwy. 134),400 meters west of Los Angeles River. 140 Comment
  UCR261133  Schismus barbatus R. G. Swinney 2010-6-21 13271 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
  POM6453  Schoenoplectus acutus var. occidentalis L. T. Street 1919-5-10 2758 Los Angeles Near Bassett 90 Comment
  CAS-BOT-BC111515  Schoenoplectus americanus Ellsworth Bethel 1916-8-1 s.n. Los Angeles Long Beach Comment
  POM1407  Schoenoplectus americanus I. M. Johnston 1917-4-11 s.n. Los Angeles Compton Creek at Dominguez Comment
  RSA626226  Scirpus microcarpus L. C. Wheeler 1966-10-1 8950 Los Angeles San Gabriel Mountains: Colby Ranch, Coldwater Canyon. 1097 Comment
  UCR239939  Scirpus microcarpus R. G. Swinney 2009-11-16 11634 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA103937  Scrophularia californica C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  UCR128158  Scrophularia californica Mark A. Elvin, Cathleen Weigand 2003-5-22 2900 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA191028  Scrophularia californica subsp. floribunda Robert F. Thorne, James Henrickson 1963-5-5 32275 Los Angeles Near bottom and mouth of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  RSA650918  Scrophularia californica subsp. floribunda Matt Bogdanoff 1981-5-25 29 Los Angeles Glendora Mtn. Rd., 6.7 mi N of junction with Sierra Madre Ave., N of Glendora. 762 Comment
  UC103817 Image available Scrophularia californica var. catalina Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  SD232338  Scrophularia villosa Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 168 Los Angeles Channel Islands; San Clemente Island: Stone field station just below balcony. Comment
  RSA0081658  Sedum spathulifolium L. C. Wheeler 1967-12-7 s.n. Los Angeles San Gabriel Mountains: West Fork of San Gabriel River; ca. 1/2 mile W of Pasadena Bait Club. 587 Comment
  RSA397640  Sedum spathulifolium Anstruther Davidson 1893-6-12 s.n. Los Angeles Mt. Disappointment. Comment
  LA93996  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-6 1651 Los Angeles SANTA MONICA MOUNTAINS, San Nicholas Canyon, ca 0.75 mi from mouth of canyon. 182 Comment
  RSA0069778  Selaginella bigelovii LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6996 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SBBG20517  Selaginella bigelovii E. R. Blakley 1963-12-8 6379 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 365 Comment
  UC62416  Selaginella bigelovii J. H. Barber 1897-3-26 Los Angeles Santa Monica Canyon Comment
  SEINET2122162  Senecio M. L. Carson 1968-12-19 1303 a Los Angeles 7.9 mi S of State Highway 138 and 19.4 mi N of Castaic 1220 Comment
  JEPS37251  Senecio californicus F. W. Peirson 1919-3-30 347 Los Angeles Big Tujunga Canyon San Gabriel Mts. 411 Comment
  CAS-BOT-BC363457  Senecio californicus John Thomas Howell 1928-3-20 3470 Los Angeles On hills east of Vermont Canon [Canyon], Griffith Park Comment
  CAS-BOT-BC333077  Senecio flaccidus var. douglasii Ernest C. Twisselmann 1961-10-31 6679 Los Angeles Leona Valley, Liebre Mountains 929 Comment
  POM310421  Senecio flaccidus var. douglasii Margaret Hardinge 1945-11-26 70 Los Angeles San Antonio wash near Claremont 335 Comment
  UCR239982  Senecio flaccidus var. douglasii R. G. Swinney 2009-11-13 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UC1930047  Senecio lyonii Mark Elvin, Orlando Mistretta 1996-3-24 123 Los Angeles Channel Islands; San Clemente Island: Comment
  UC306329  Senecio triangularis I. M. Johnston 1917-8-22 1679 Los Angeles Prairie Fk., San Antonio Mountains, Southern California San Gabriel River; San Antonio Mountains, Prairie Fk. of San Gabriel River 2133 Comment
  UCR193480  Senna artemisioides R. G. Swinney 1999-4-8 7073 Los Angeles San Gabriel Mtns., Claremont, Cobal Canyon c. 0.5 mi. NE of confluence with Burbank Canyon 549 Comment
  RSA741028  Setaria parviflora Justin M. Wood 2009-1-3 282 Los Angeles City of Monrovia, residential property on El Nido Ave. 171 Comment
  RSA512065  Setaria viridis L. C. Wheeler 1966-9-21 8894 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  RSA433864  Sidalcea malviflora Anstruther Davidson 1890-05 s.n. Los Angeles Riverside, Sunnyside, Los Angeles Comment
  CAS-BOT-BC434378  Sidotheca trilobata Noel H. Holmgren; James L. Reveal 1966-5-29 2610 Los Angeles San Gabriel Mountains, ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit. 1767 Comment
  RSA248874  Silene antirrhina R. F. Thorne 1973-4-12 42971 Los Angeles San Clemente Island, large canyon S of Mosquito Cove, N of Chenity. 274 Comment
  RSA659752  Silene gallica Orlando Mistretta, Elizabeth Kellogg, Laurel Arnseth, Peter L. Morrell 1992-4-3 72 Los Angeles San Clemente Island. Comment
  UCR124449  Silene laciniata I. W. Clokey, B. C. Templeton 1929-1 4544 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  JEPS79987  Silene laciniata subsp. major C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4747 Los Angeles Bouquet Canyon 750 Comment
  RSA598081  Silene lemmonii Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3776 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  UCR98741  Silene lemmonii Steve Boyd, Lauren Raz 1997-5-1 9667 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, c. 1.5 mi west of Mt. McDill & 1.3 mi. SSE of Lincoln Crest, the head of Bouquet Canyon 1512 Comment
  CAS-BOT-BC389568  Silene parishii F. Grinnell Jr. 1917-8-31 s.n. Los Angeles Pleasant View Ridge, San Gabriel Mountains 2438 Comment
  UCR193562  Silene verecunda R. G. Swinney 1999-6-28 7441 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA230697  Sisymbrium altissimum R. F. Thorne, M. Z. Thorne 1969-7-10 38442 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  UCD115524  Sisymbrium altissimum R. F. Thorne; M. Z. Thorne 1969-7-9 38563 Los Angeles San Gabriel Mountains, Angeles National Forest, at Big Pines. 2087 Comment
  RSA0069646  Sisymbrium irio R. G. Swinney 2010-2-27 11779 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  CAS-BOT-BC75232  Sisymbrium irio C. W. Tilforth 1970-1-27 246 Los Angeles Los Angeles County Fairgrounds, south of La Verne. Comment
  UCR205236  Sisymbrium orientale R. G. Swinney 2008-3-26 8568 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR127241  Sisyrinchium bellum Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2924 Los Angeles Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  RSA191356  Sisyrinchium bellum Robert F. Thorne, Mae Z. Thorne 1967-7-19 37193 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area 1982 Comment
  HSC101347  Solanum douglasii R. G. Swinney 2008-11-30 9876 Los Angeles San Gabriel Mtns.; Azusa/Irwindale boundary, San Gabriel River Channel, within 75 m of Foothill Blvd. bridge 177 Comment
  RSA0053891  Solanum douglasii R. G. Swinney 2010-4-13 12204 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Cyn. 561 Comment
  RSA422429  Solanum douglasii Charles C. Herbst 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale Comment
  RSA422432  Solanum douglasii F. R. Fosberg 1930-7-3 S- 3039 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  RSA666733  Solanum douglasii A. C. Sanders, D. Malueg 2001-5-17 24340 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SBBG70611  Solanum douglasii M. N. Ackley -Oct-1925 975 Los Angeles Verdugo Wash, Glendale 243 Comment
  POM4161  Solanum douglasii Marie Tammen 1905-5-4 7837 Los Angeles Claremont. 366 Comment
  RSA0020270  Solanum douglasii Daniel Curran 1981-2-25 26 Los Angeles San Dimas Canyon Rd. 0.3 miles S of San Dimas Dam. Comment
  SBBG31536  Solanum douglasii R. M. Beauchamp 1967-3-17 243 Los Angeles near rocks E of Wilson Cove Comment
  SJSU7857  Solanum douglasii G. A. Kattenhorn 1967-3-21 Los Angeles by Little Dalton Cr N of Glendora Comment
  RSA596429  Solanum elaeagnifolium Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8869 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 3.5 miles north of the junction with Templin Highway, under high-tension power lines. 945 Comment
  RSA427304  Solanum elaeagnifolium F. H. Elmore 1935-10-7 19274 Los Angeles Parking lot opposite Aeneas Hall, U. S. C. Campus. Comment
  SEINET7262340 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  UCR93947  Solanum mauritianum Harry Spilman 1996-6-15 s.n. Los Angeles Pasadena: west side of Arroyo Seco flood control channel, c. 30 m north of San Rafael St. Bridge 244 Comment
  SD237633  Solanum nigrum R. G. Swinney 2009-4-13 10313 Los Angeles Transverse Ranges: San Gabriel Mountains Foothills: San Gabriel River under the Puente Largo railway bridge, 0.5 mile north of Foothill Blvd. oneast side of El Encanto Parkway, west of El Encanto Park in Duarte (Azusa 7.5'Q) West side of channel. 184 Comment
  NY821273  Solanum physalifolium L. C. Wheeler 1932-9-10 1369 Los Angeles Harrison & San Antonio Ave. W Claremont 366 Comment
  POM220639  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1932-8-6 1125 Los Angeles 2 mi. NNE Claremont 427 Comment
  RSA0037198  Solanum sarrachoides Nghi Diep 1996-4-28 16 Los Angeles Durfee Ave, 1 mile E of jct with Santa Anita Ave. 2 miles W of jct of Interstate 605 with State Hwy 60. 67 Comment
  CAS-BOT-BC83634  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA714191  Solanum umbelliferum E. A. Purer 1935-5-11 6544 Los Angeles Hillside, Malibu Road Comment
  SEINET4100305  Solanum wallacei R. Moran 1941-1 687 Los Angeles Whites Landing, Santa Catalina Island. 50 Comment
  UC1211037  Solanum wallacei Huron H. Smith 1912-5-31 5045 Los Angeles Santa Catalina Island, Pebble Beach Road Santa Catalina Island; , Pebble Beach Road 7 Comment
  HSC21326  Solanum xanti David Porter 1965-4-22 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  PASA2159  Solanum xanti Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  UCR126742  Solanum xanti A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26221 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  SJSU7574  Solanum xanti G. K. Kattenhorn 1967-3-21 Los Angeles Little Dalton Cr, N of Glendora Comment
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Oct 27 2010
  UCR203112  Solidago californica R. G. Swinney 2001-8-27 8111 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  CAS-BOT-BC365995  Sonchus asper M. B. Dunkle 1939-4-2 7209 Los Angeles Southeast point, San Clemente Island Comment
  RSA526562  Sonchus asper Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4247 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SBBG32151  Sonchus oleraceus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -237 Los Angeles S side of Little Harbor Comment
  POM178031  Sonchus oleraceus Joseph A. Ewan 1931-5-11 4192 Los Angeles 1 mile noth Van Nuys Estate, West 6th St. Comment
  RSA226158  Sonchus oleraceus Gary D. Cromwell, David W. Wheat 1971-5-14 653 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mts. 2 mi. NE of Glendora. 549 Comment
  RSA534020  Sonchus oleraceus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5308 Los Angeles San Clemente Island: Westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). Beginning of drainage. 389 Comment
  RSA653346  Spartium junceum Matt Brooks 1988-5-12 52 Los Angeles Whittier, Skyline Dr. 0.2 miles west of its intersection [with] Turnbull Canyon Rd. Comment
  LA82446  Spergula arvensis O. H. Kappler; Los Angeles San Gabriel Mountains, Foothills, West Los Angeles 91 Comment
  SD237403  Spergularia A. C. Sanders 2003-8-6 27114 Los Angeles NE end of Santa Susana Mountains: Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters (Val Verde 7.5'Q) 320 Comment
  POM157992  Spergularia bocconi M. B. Dunkle 1928-3-17 1737 Los Angeles Santa Catalina Island, Howland s Landing. Comment
  UCD99294  Spergularia rubra Daryl Koutnik 1978-4-21 407 Los Angeles Glendale at east end of Glenoaks Avenue, near Scholl Canyon Park. 304 Comment
  RSA0098585  Spergularia villosa Sara L. Crockett 1997-2-4 646 Los Angeles 0.85 mile W along Empire Landing Road from jct. with Airport road, S side of road. 482 Comment
  SEINET3150438  Sphaerostigma micranthum G. B. Grant 1233 Los Angeles Pasadena Comment
  RSA446608  Stachys albens Bonnie C. Templeton 1932-7-20 5015 Los Angeles Big Pines Park. 2092 Comment
  HSC79820  Stachys bullata Richard S. Hood 1969-5-20 266 Los Angeles 1.5 mi. NE of Cahuenga Peak on Griffith Park Dr. in Griffith Park 244 Comment
  LA82034  Stachys bullata O. H. Kappler; 1940-6-9 706 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA658518  Stachys bullata Diane Elliott 1985-5-10 27 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SD187432  Stachys bullata Valerie Soza, LeRoy Gross 2001-5-9 1205 Los Angeles Tansverse Ranges: Verdugo Mountains region: Southern San Rafael Hills: south of western end of Scholl Canyon, west end of Valle vista fire road, ridgetop north of Hwy 134 296 Comment
  LA52381  Stachys bullata Robert G. Engman; sn Los Angeles Comment
  LA82038  Stachys rigida var. rigida O. H. Kappler; 1943-4-28 374 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  RSA672293  Stellaria media Joseph M. Keefe 2001-3-16 31122 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  IRVC26468  Stellaria media A. C. Sanders, Mark Elvin, et al. 2003-3-5 25715 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
  RSA29635  Stellaria media Joseph A. Ewan 1933-06 10798 Los Angeles Abundant in moist soil of Salix thickets, along creek, Verdugo Canyon Comment
  SBBG17471  Stellaria media K. A. Wilson 1962-4-1 1259 Los Angeles Old Topanga Cyn Rd, 0.5 mi NW of Topanga Cyn Blvd Comment
  POM167  Stellaria nitens L. R. Abrams 1909-4-3 1289 Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC375142  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  SFV18461  Stephanomeria cichoriacea S. Haennelt 1976-9-10 s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Rocky cliff in canyon. Comment
  UCR209265  Stephanomeria exigua R. G. Swinney 2008-10-8 9541 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UC454306  Stephanomeria exigua subsp. coronaria I. J. Condit 1908-7-28 Los Angeles Hollywood Comment
  POM49613  Stephanomeria pauciflora A. D. E. Elmer 1902-07 3501 Los Angeles Lancaster Comment
  SBBG67872  Stephanomeria pauciflora R. Hoffmann 1928-7-8 Los Angeles Lancaster Comment
  RSA598215  Stephanomeria virgata Sara L. Crockett 1996-10-31 550 Los Angeles Santa Catalina Island. Upper Cape Canyon. 216 Comment
  UCR260799  Stephanomeria virgata R. G. Swinney 2010-8-9 13469 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  CAS-BOT-BC375822  Stephanomeria virgata Ernest Braunton 1902-9-1 699 Los Angeles Los Angeles City Comment
  RSA578655  Stillingia paucidentata T. S. Ross, J. Mark Porter 1994-5-1 7612 -b Los Angeles ca. 3950 m NNE of Moody Springs and 2620 m W of the LA/ San Bern. County Line. 873 Comment
  UCR192891  Stipa R. G. Swinney 1999-8-16 7655 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UCR126668  Stipa coronata A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26203 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR193714  Stipa coronata R. G. Swinney, Dave Larson 1999-5-29 7220 Los Angeles San Gabriel Mtns., San Dimas Canyon, at waterfall in main fork c. 600 m north of confluence with East Fork 610 Comment
  IRVC26336  Stipa lepida A. C. Sanders, Andy Thompson 2003-4-15 25994 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  UCR116284  Stipa speciosa B. G. Pitzer 1998-5-23 3715 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment