Search Results — 2000 specimen records retrieved (1610 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
  UCR190007  Abies concolor R. G. Swinney 1998-8-27 6823 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  SD90292  Abronia maritima Robert F. Thorne 1970-3-6 39384 Los Angeles Santa Catalina Island; Ben Weston Beach (Mills Landing) 2 Comment
  SDSU8430  Abronia maritima R. M. Beauchamp 1967-1-29 161 Los Angeles Growing on the beach at Pyramid Cove. San Clemente Island. Comment
Read comments
May 16 2008
  UC7609  Abronia maritima J. H. Barber 1907-1-25 Los Angeles So. Santa Monica Comment
  RSA0025874  Abronia umbellata Jack Rempel 1932-3-19 s.n. Los Angeles El Segundo. Comment
  RSA522289  Acacia baileyana Steve Boyd 1990-2-3 3822 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  RSA0073220  Acamptopappus sphaerocephalus Bonnie C. Templeton 1931-5-17 1208 Los Angeles So. of Lancaster, Mohave Desert. Comment
  POM42138  Acamptopappus sphaerocephalus var. hirtellus H. M. Hall, H. P. Chandler 1906-6-11 7388 Los Angeles Near Lancaster, in the lower Sonoran Zone of the Mohave Desert. 213 Comment
  JEPS42665  Acer macrophyllum Carl Epling, J. Ewan 1933-7-7 7844 Los Angeles Lower Topango Canyon Santa Monica Mts., Lower Topango Canyon Comment
  RSA0085302  Acer macrophyllum R. G. Swinney 2010-8-26 13597 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 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
  CAS-BOT-BC211916  Achnatherum coronatum Timothy S. Ross; Steve Boyd 1994-5-25 7929 Los Angeles Hanging basin ca 470 - 830 m W of Warm Springs Mtn. Summit, from ca 600-800 m WSW of summit, Necktie Basin, Liebre Mountains 1075 Comment
  UC1584920  Achnatherum occidentale subsp. occidentale Tim Ross and Steve Boyd 1991-7-24 5657 Los Angeles Chilao Flat USGS 7.5' quad. San Gabriel Mountain Range, Granite Mountain; sw 1/4 1975 Comment
  SEINET7072894  Achnatherum speciosum A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. Coordinate datum: WGS84/NAD83. (34? deg. 27' 16" North Latitude, -117? deg. 48' 43" West Longitude; UTM Zone 11, 425420mE, 3812643mN, Coordinate datum: NAD27.). Comment
  LA94384  Achyrachaena mollis A. M. Johnson; 1934-4-20 4441 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  SD86313  Acmispon argophyllus var. adsurgens R. Beauchamp, M. Douglas 1972-3-24 3250 Los Angeles San Clemente Island: above Pyramid Cove. 149 Comment
  CAS-BOT-BC204766  Acmispon argophyllus var. argenteus Mrs. Brandegee 1889-5-1 s.n. Los Angeles Santa Catalina Isl. Comment
  SD107888  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 Los Angeles Santa Catalina Island, Catalina Harbor along utility road near dump Comment
  UCD104128  Acmispon glaber Marc Meyer; Mike Alvord 1993-5-1 23 Los Angeles San Gabriel Mts., Chatsworth, at end of Desoto Ave. by 118 Fwy. 400 Comment
  UCSB18480  Acmispon grandiflorus Lakatos, Susie 1964-3-28 Los Angeles Fire road behind Topanga Elementary School, 4.3 miles on Topanga Canyon Blvd. from intersection with U.S. Highway 101 Comment
  UCD104220  Acmispon maritimus Daryl Koutnik; John Cuti 1978-4-12 343 Los Angeles Northeastern Verdugo Mountains near La Tuna Canyon. 609 Comment
  UC1971210  Acmispon nevadensis var. davidsonii Louis C. Wheeler 1970-7-25 Los Angeles SAN GABRIEL MOUNTAINS: Heliport 0.3 mile north of South Mt. Hawkins. Comment
  SBBG68160  Acmispon procumbens var. procumbens R. Hoffmann 1929-5-22 Los Angeles hills above Elizabeth Lake Comment
  SBBG68162  Acmispon procumbens var. procumbens R. Hoffmann 1928-7-9 Los Angeles Pine Cyn 914 Comment
  SD69517  Acmispon wrangelianus Robert F. Thorne 1966-4-6 35894 Los Angeles Santa Catalina Island: dry ridge between White and Moonstone Coves. 14 Comment
  CAS-BOT-BC154058  Adenostoma fasciculatum A. C. Sanders; Helen Kennedy 2005-4-13 29430 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CATA997  Adenostoma fasciculatum Mark L. Hoefs 1994-7-18 1875 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  UCD112622  Adenostoma fasciculatum Antonio F. Machado; Lisa Seemann 1993-4-28 3 Los Angeles Santa Clarita Valley, E of San Francisquito Road, 0.4 mile S of where road is intersected by aqueduct piping. 1000 Comment
  SBBG25545  Adenostoma fasciculatum var. fasciculatum D. Emery 1947-4-5 Los Angeles Griffith Park Comment
  SBBG70859  Adenostoma fasciculatum var. fasciculatum M. N. Ackley 1929-4-21 989 Los Angeles Eagle Rock 243 Comment
  RSA610760  Adenostoma sparsifolium Katherine Kneen 1933-8-25 s.n. Los Angeles foot of Saddle Peak. Comment
  RSA602471  Adiantum capillus-veneris Scott D. White 1997-5-8 5078 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below Morris Dam. 244 Comment
  UCR189398  Adiantum capillus-veneris R. G. Swinney 1998-5-30 6162 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR193712  Adiantum capillus-veneris R. G. Swinney, Dave Larson 1999-5-29 7235 Los Angeles San Gabriel Mtns., lower East Fork San Dimas Canyon 598 Comment
  CDA20327  Agave americana M. O'Brien 2005-3-25 s.n. Los Angeles El Matador State Beach. 0 Comment
  SDSU6840  Ageratina adenophora Gerald Collier 1951-5-5 8816 Los Angeles Santa Anita Canyon, San Gabriel Mtns. 2 miles up-canyon from bottom of Chantry FlatsTrail - near stream. Comment
  RSA652849  Ageratina adenophora Ron Martinolich 1991-4-7 38 Los Angeles Los Angeles, Griffith Park, north on Vista Del Valle Drive from west (upper) trailhead of Bee Rock Trail, 0.25 mile on east side of road, 20 feet down embankment. Comment
  POM308948  Agoseris retrorsa Kay H. Beach 1942-5-28 625 Los Angeles San Dimas Experimental forest, U. S. Forest Dept. 500 feet above flume no. 3 Comment
  RSA226050  Agrostis exarata R. F. Thorne, C. W. Tilforth 1971-6-29 40692 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  RSA226052  Agrostis exarata R. F. Thorne, C. W. Tilforth 1971-6-29 40695 Los Angeles San Gabriel Mountains, Angles National Forest: ca. 2.2 miles down Aliso Canyon from junction with Angeles Forest Road. 1037 Comment
  RSA607826  Agrostis exarata L. C. Wheeler 1947-6-8 6515 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  RSA629683  Agrostis exarata Scott D. White, Dave Bramlet 1998-8-11 7042 Los Angeles San Gabriel Mts.: West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA129197  Agrostis stolonifera H. S. Yates 1936-8-28 6366 Los Angeles Big Pine Park, San Antonio quadrangle: T3N R8W, sec. 2. 1982 Comment
  RSA600627  Agrostis stolonifera L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mountains: Big Pines; Headwaters of Mescal Creek. 2043 Comment
  UCR182762  Agrostis stolonifera R. G. Swinney 1997-7-23 5734 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  UCR150714  Agrostis viridis R. G. Swinney, Dave Larson 1999-5-15 7167 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  UCD117161  Ailanthus altissima Will Reynolds; J. M. Gilbertson 1963-8-1 s.n. Los Angeles Near SE corner on Orange Grove Ave, E of Lewis Street, Pomona. Comment
  RSA630743  Allium burlewii LeRoy Gross 1999-6-12 163 Los Angeles San Gabriel Mountains: Mt. Waterman. 2450 Comment
  SD111592  Allium burlewii Wayne P. Armstrong 1982-6-27 Los Angeles Just below summit of Mt. Baden-Powell. Growing in loose talus. 2743 Comment
  UCR95743  Allium fimbriatum L. C. Wheeler 1967-5-12 9475 Los Angeles San Gabriel Mtns., Hunt Canyon, 3 mi. east of Vincent 1067 Comment
  RSA247424  Allium haematochiton Jack Delaini, Ken Zakar 1974-4-30 157 Los Angeles Lodi Canyon, San Dimas experimental Forest 808 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
  POM8947  Allium praecox Philip A. Munz 1920-3-17 3351 Los Angeles Lone Hill, San Dimas. 305 Comment
  SEINET10667014  Allium tuberosum Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3788 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  CHSC95536  Allophyllum divaricatum LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 240 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land.On trail up out of canyon and going to the crest following a ridge running northwest from the crest, sunny south side of ridge.. 726 Comment
  RSA596075  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8624 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  UC1922644  Allophyllum divaricatum Valerie Soza, Laura A. Moore 2000-5-10 851 Los Angeles Transverse Ranges; Verdugo Mountains; north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines, W of peak ''1936'' 564 Comment
  CATA3309  Allophyllum glutinosum Amy Catalano, Jen Dreizehn 2017-3-23 026 Los Angeles Santa Catalina Island: South edge of exclosure 4B, south facing slope in upper Grand Canyon 423 Comment
  RSA410095  Allophyllum glutinosum Wm. Martin 1971-8-5 s.n. Los Angeles Stunt Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC170984  Alnus rhombifolia Annie J. McClatchie 1893-1-8 s.n. Los Angeles Santa Anita Canyon Comment
  RSA596197  Alnus rhombifolia Lauren Raz, Steve Boyd 1996-10-23 30 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  IRVC27451  Amaranthus blitoides A. C. Sanders, Mark A. Elvin 2002-8-28 25597 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  RSA404561  Amaranthus hybridus Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  LA202296  Amblyopappus pusillus Arthur C. Gibson; 2005-6-6 5045 Los Angeles Santa Monica Mountains, Point Dume, Point Dume Natural Preserve, Trail to Point Dume Comment
  POM30499  Amblyopappus pusillus George B. Grant, Wheeler 1904-5-7 38 Los Angeles Glendora. Comment
  RSA526639  Amblyopappus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4221 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side. Sand dunes at cyn mouth. Comment
  RSA534130  Amblyopappus pusillus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5091 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field. 6 Comment
  CATA205  Ambrosia chamissonis Mark L. Hoefs 1973-4-15 184 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG95444  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1865 Los Angeles Little Harbor 1 Comment
  SD66867  Ambrosia chamissonis R. Mitchel Beauchamp 1967-3-19 334 Los Angeles San Clemente Island, sandy area south of Sherman Airfield Comment
  UC1215169  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles San Clemente Island 6 Comment
  RSA9764  Ambrosia confertiflora L. C. Wheeler 1933-11-24 2276 Los Angeles Arcadia. 152 Comment
  LA31630  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1958-9-28 Los Angeles Elysian Park 198 Comment
  RSA550708  Ambrosia psilostachya Timothy S. Ross, Annette Ross 1991-7-29 5692 Los Angeles Elephant Hill, N most point of the Puente Hills, W Pomona. 229 Comment
  RSA415298  Amorpha californica G. R. Johnstone 1931-5-3 s.n Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  CAS-BOT-BC180646  Amorpha californica var. californica R. J. Dobbs 1927-6-22 s.n. Los Angeles Near Waterman, San Gabriel Mts. 975 Comment
  RSA646134  Amorpha californica var. californica Orlando Mistretta 1992-7-13 s.n. Los Angeles Los Pinetos Spring Canyon Trail. Comment
  UCR264689  Amsinckia eastwoodiae Mitch Provance, Callen Huff 2009-4-28 10745 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA0090946  Amsinckia eastwoodiae R. S. Woglum 1932-4-9 s.n. Los Angeles Mojave Desert: Palmdale. Comment
  RSA0089956  Amsinckia retrorsa L. C. Wheeler 1934-3-31 2495 Los Angeles La Verne. 305 Comment
  UCR275024  Amsinckia tessellata Michael Honer, Rachel Woodard 2006-4-18 2202 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile north of Hwy 138 1006 Comment
  SFV3056  Amsinckia tessellata var. gloriosa K. A. Wilson 1961-3-7 948 Los Angeles Santa Monica Mountains Mulholland Highway about 3 miles west of Las Virgenes Road. Comment
  RSA587519  Amsinckia tessellata var. tessellata Orlando Mistretta 1994-4-29 1108 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  RSA465149  Anagallis arvensis Nellie Fowler 1884-5-10 s.n. Los Angeles Found near University of Southern California. Comment
  SD232138  Andropogon glomeratus var. scabriglumis Justin M. Wood 2008-11-25 255 Los Angeles San Gabriel mountains, Big Tujunga Canyon, near road to Wildwood picinic area. On the side of the road in vicinity of spring. 579 Comment
  SBBG128321  Anemopsis californica M. L. Hoefs 1995-5-16 2027 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  SBBG7561  Anisocoma acaulis H. and M. Dearing 1930-4-15 2377 Los Angeles S of Palmdale Comment
  UCR281654  Anisocoma acaulis R. G. Swinney 2014-5-7 16337 Los Angeles San Gabriel Mountains, east of Valyermo, east end of Holcomb Ridge, 0.35-0.45 miles north of Panorama Rd., 2.5 road miles east of Bob's Gap Road, in north-south arroyo cutting through Holcomb Ridge 1366 Comment
  CAS-BOT-BC84666  Anthemis cotula Herman Knoche 1919-6-25 Series A, No. 899 Los Angeles Catalina Island Comment
  RSA479901  Anthriscus caucalis Steve Boyd, Thomas Elias 1987-4-14 2046 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  POM354838  Antirrhinum coulterianum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  UCR50727  Antirrhinum coulterianum L. F. LaPre 1988-5-14 s.n. Los Angeles Western Transverse Range, Lake Hughes, 16 mi west of Lancaster in the San Andreas Rift 1037 Comment
  CATA3310  Antirrhinum kelloggii Amy Catalano, Jen Dreizehn 2017-3-23 028 Los Angeles Santa Catalina Island: South edge of exclosure 4B, south facing slope in upper Grand Canyon 423 Comment
  POM7698  Antirrhinum kelloggii Philip A. Munz, R. D. Harwood 1920-4-21 3683 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UCR280398  Antirrhinum nuttallianum Jeremiah George, Eric Kline 2017-4-17 417- 01 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  UC1738525  Antirrhinum nuttallianum subsp. subsessile Steven A. Junak 1996-5-19 SCI- 504 Los Angeles San Clemente Island: W side of island, in lower portion of Norton Canyon, ca. 0.08 miles inland from coastal escarpment 42 Comment
  POM29608  Antirrhinum nuttallianum subsp. subsessile H. E. Hasse 1890-05 s.n. Los Angeles Foothills, Sierra Santa Monica. Comment
  RSA535693  Antirrhinum nuttallianum subsp. subsessile Tim S. Ross 1991-5-22 5447 Los Angeles San Clemente Island: Spray [Point], W side of island about 5300 feet N of Eel Point. 9 Comment
  LA200139  Apiastrum angustifolium O. H. Kappler; 1941-4-6 179 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UC61533  Apiastrum angustifolium Ernest Braunton June 1903 889 Los Angeles Glendale to Burbank Comment
  UCR168259  Apiastrum angustifolium F. R. Fosberg 1931-4-29 S- 4717 Los Angeles Channel Islands, Santa Catalina Island, between Cottonwood and Middle Ranch Canyons 140 Comment
  RSA0082406  Aquilegia formosa R. G. Swinney 2010-9-7 13720 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
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Oct 27 2020
  UCR182760  Arceuthobium campylopodum R. G. Swinney 1997-8-6 5758 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  RSA629075  Arctostaphylos Jon E. Keeley, Allen Massihi 1992-8-20 20420 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
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Sep 28 2020
  RSA626678  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15784 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626776  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20496 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA626821  Arctostaphylos glandulosa Jon E. Keeley 1992-8-3 11160 Los Angeles Top of Mt. Gleason, San Gabriel Mts. 1900 Comment
  RSA631297  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21994 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA626726  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22110 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA629088  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-6-18 15619 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  POM3408  Arctostaphylos glauca I. M. Johnston 1917-1-28 s.n. Los Angeles Mouth of San Antonio Canyon Comment
  RSA783661  Arctostaphylos glauca J. D. Olmsted 1959-2-23 s.n. Los Angeles Foot of San Gabriel Mtns: San Antonio wash. Claremont, Blanchard Park on Pomona College campus. 366 Comment
  UCR184205  Arctostaphylos glauca A. C. Sanders, T. B. Salvato 2007-4-24 33493 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  UCR194062  Arctostaphylos glauca R. G. Swinney 1999-6-5 7247 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA634348  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1979-6-14 7413 Los Angeles Angeles Crest Highway about 1.3 km east of Singing Pines turnoff. 2000 Comment
  RSA635134  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20594 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA747681  Arctostaphylos patula R. G. Swinney 2001-8-27 8105 Los Angeles San Gabriel Mountains: Mt. Burnham, west of Mt. Baden-Powell. 2740 Comment
  UCR23172  Arctostaphylos patula Polly Schiffman 1981-5-23 027 Los Angeles San Gabriel Mtns., Angeles National Forest, Charlton Flat, 35 mi north of La Canada-Flintridge on Angeles Crest Hwy, next to water tank beside the hwy 1829 Comment
  SEINET2028703 Image available Arctostaphylos pechoensis var. viridissima C. B. Wolf 1932-5-13 3626 Los Angeles Three and one-half miles from Avalon 1300 Comment
  RSA423573  Arenaria macradenia Bonnie C. Templeton 1931-4-19 s.n. Los Angeles Mojave Desert. Comment
  RSA603624  Arenaria macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10019 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  UC1375310  Arenaria macradenia var. arcuifolia R. F. and M. Z. Thorne 1969-7-10 38428 Los Angeles Above small stream c. 1.5 mi w Wrightwood; San Gabriel Mts., Angeles National Forest 1950 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
  POM1097  Aristida purpurea var. parishii Jos Burtt Davy 1901-1-20 s.n. Los Angeles Saugus, Los Angeles Co. Comment
  UC60829  Aristida ternipes var. hamulosa Dr. A. Davidson Los Angeles Pasadena Comment
  SBBG95457  Artemisia californica M. B. Dunkle 1928-10-14 2015 Los Angeles Renton Mine Comment
  SBBG130722  Artemisia douglasiana S. A. Junak 2000-7-1 SCa 1372 Los Angeles Cape Cyn Rd, upper Cape Cyn 304 Comment
  UCR205694  Artemisia douglasiana A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37023 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR95759  Artemisia douglasiana Lauren Raz, Steve Boyd 1996-10-23 058 Los Angeles Liebre Mtns, Cienega Campground, c. 4 mi. from saddle between Warm Springs and Fish Canyon 670 Comment
  UCR108389  Artemisia dracunculus L. C. Wheeler 1961-6-13 7882 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA417317  Artemisia dracunculus B. C. Templeton 1932-8-26 5091 Los Angeles West Blue Ridge, Big Pines Park. San Gabriel Mountains 2195 Comment
  UCR210171  Artemisia ludoviciana R. G. Swinney 2008-10-16 9618 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  SBBG43894  Artemisia nesiotica M. R. Benedict 1971-6-25 Los Angeles low terrace 0.5 mi S of Wilson Cove 12 Comment
  SEINET3398531  Artemisia nesiotica E. D. McArthur 2006-1 3090 Los Angeles San Clemente Island Comment
  RSA730177  Artemisia tridentata R. G. Swinney 1998-9-4 6895 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06 2241 Comment
  RSA762882  Artemisia tridentata R. G. Swinney 2008-10-10 9577 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  CAS-BOT-BC97271  Artemisia tridentata subsp. parishii Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  CLARK-A1528-1099  Artemisia tridentata subsp. parishii John C. Roos 1946-11-23 3158 Los Angeles Placerita Canyon 365 Comment
  RSA596007  Artemisia tridentata subsp. parishii Timothy S. Ross, J. Mark Porter 1995-5-4 8434 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UC1119511  Artemisia tridentata subsp. tridentata A. D. Gifford 1935-3-26 298 Los Angeles 2 mi ene Sawmill Peak; Tejon Quadrangle Comment
  RSA595026  Arundo donax Steve Boyd, Lauren Raz 1996-10-8 8989 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCSB4940  Asclepias californica Haller, John 1957-4-13 Los Angeles Upper Mint Canyon, ca. 5 road miles E. of road to Acton and 10 road miles E. of Angeles forest Highway junc. 914 Comment
  RSA0104730  Asclepias eriocarpa Scott D. White, Pam De Vries 2004-5-18 10402 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CATA3448  Asclepias fascicularis Benjamin J. Dion, Stuart Olshevski, Tobias Nickel 2017-6-26 030 Los Angeles Santa Catalina Island: Channel Side; drainage above and across the road from Howland's Landing 39 Comment
  RSA401242  Asclepias fascicularis Blanche Trask 1902-08 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UCR180336  Asclepias fascicularis Scott D. White, Andrea Warniment 2006-7-7 11620 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
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Mar 8 2008
  UCSB4934  Asclepias fascicularis Kamb, Peter 1947-6-1 Los Angeles Red Box Gap, San Gabriel Mts.; upper Sonoran Zone 1402 Comment
  UCR194060  Asclepias vestita R. G. Swinney 1999-6-5 7248 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  CAS-BOT-BC478974  Asphodelus fistulosus Steven A. Junak 1996-5-17 SCI- 481 Los Angeles NE end of San Clemente Island, E of airfield runways, at edge of Terrace E of intersection of Perimeter Road and road to Dolphin Bay, just S of Camera Pad Naddo, near UTM 11 57 Comment
  LA3675  Aspidotis californica W. Scott Lewis; 1905-1 247 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon Comment
  LA94118  Aspidotis californica Lawrence L. Kiefer; 1966-4-10 1845 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, ca 2 mi S of Mulholland Hwy on W-side. 304 Comment
  LA94119  Aspidotis californica Lawrence L. Kiefer; 1966-3-26 1793 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  LA94120  Aspidotis californica Lawrence L. Kiefer; 1966-3-27 1814 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  CAS-BOT-BC65786  Aspidotis californica 1903-4-1 s.n. Los Angeles Santa Anita Caves, Southern Calif. Comment
  POM941  Aspidotis californica George B. Grant 1901-3-17 s.n. Los Angeles Eagle Rock Comment
  RSA85557  Aspidotis californica F. W. Peirson 1919-11-30 1525 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  RSA0011732  Asplenium vespertinum Anonymous s.n. Los Angeles San Gabriel Mountains Comment
  RSA417664  Aster greatae Geo C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  RSA759630  Astragalus brauntonii A. Edwards, S. Norton 2010-8-5 2010 -4 Los Angeles City of Los Angeles, adjacent to Topanga State Park. Along and adjacent to existing trail. 538 Comment
  CAS-BOT-BC182304  Astragalus didymocarpus var. didymocarpus Geo. B. Grant 1903-3-1 78 Los Angeles Garvanza Comment
  RSA628707  Astragalus douglasii var. douglasii R. S. Woglum 1942-5-20 3322 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  SFV16521  Astragalus douglasii var. douglasii S. Mason 1993-5-2 s. n. Los Angeles Mojave Desert Off West State Route 138, 1.0 miles past West 110th Street, south on dirt road 0.4 miles in and 30 feet off west roadside. 762 Comment
  UC1294277  Astragalus douglasii var. douglasii P. C. Everett and E. K. Balls 1959-5-22 23809 Los Angeles Holiday Hill San Gabriel Mts., Big Pine, Holiday Hill (Big Pine, Hwy 2, San Gabriel Mts.) 1950 Comment
  UCR213969  Astragalus douglasii var. douglasii Dave Silverman, Cindy Hopkins 2007-4-24 6735 Los Angeles Tejon Ranch, 1000 m ESE of National Cement, 1.7 km W of California Aqueduct, 500 m S of the county line, just N of plant access road 954 Comment
  RSA0106879  Astragalus gambelianus Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 637 Los Angeles Santa Catalina Island. S of road to East Peak, on ridge SW of Peak 1245, ca. 0.9 air miles WNW of East Peak. 256 Comment
  UCR189702  Astragalus lentiginosus R. G. Swinney 1998-7-10 6362 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1573 Comment
  SD46411  Astragalus lentiginosus var. variabilis P. C. Everett, E. K. Balls 1956-5-9 21564 Los Angeles 6.0 miles south of Lancaster, Highway 6. 760 Comment
  UCR94468  Astragalus miguelensis F. H. Elmore 1939-11-24 s.n. Los Angeles Channel Islands, San Clemente Island, Northwest Harbor 30 Comment
  UCR94466  Astragalus pachypus var. pachypus Orlando Mistretta 1995-2-28 1521 Los Angeles San Gabriel Mtns., Carr Canyon 1067 Comment
  CAS-BOT-BC192820  Astragalus pomonensis Ernest Braunton 1902-4-29 257 Los Angeles North Pomona Comment
  CAS-BOT-BC194036  Astragalus trichopodus var. lonchus Alice Eastwood 1906-5-27 159 Los Angeles San Pedro Comment
  POM246557  Atriplex californica F. R. Fosberg 1931-5-17 S- 4889 Los Angeles Little Harbor, Santa Catalina Island. 2 Comment
  POM18429  Atriplex californica P. A. Munz 1923-4-8 6616 Los Angeles San Clemente Island. Comment
  SEINET3930294  Atriplex californica F. R. Fosberg 1931-4-29 S 4710 Los Angeles Located at the mouth of Cottonwood Canyon, Santa Catalina Island.; 0 5 Comment
  UC205061  Atriplex coulteri Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR73413  Atriplex coulteri T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5168 Los Angeles San Clemente Island, 950 ft. WNW of Stone at the beginning of Stone Canyon drainage. 442 Comment
  UCR282220  Atriplex glauca Dan S. Cooper 2016-4-8 416- 21 Los Angeles Palos Verdes Peninsula, Palos Verdes Dr. at Narcissa Ln. 49 Comment
  RSA457630  Atriplex johnstonii L. C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey (Type loc.) 8 Comment
  UCR24118  Atriplex lentiformis subsp. breweri John C. Roos 1942-9-12 1724 Los Angeles South Coast/Santa Monica Mtns., northwest of Santa Monica 30 Comment
  CAS-BOT-BC180903  Atriplex nummularia Carl B. Wolf 1934-6-9 5740 Los Angeles Playa del Rey, 10 m. W of Vista del Mar St. & 2.5 meters so. of no. curb of Freeman St. 30 Comment
  SEINET4135318  Atriplex nummularia Louis C. Wheeler 1933-4-27 1657 Los Angeles Playa del Rey.; 0 8 Comment
  CAS-BOT-BC176354  Atriplex parryi Roxana S. Ferris 1918-6-12 913 Los Angeles In streets, Lancaster Comment
  POM279023  Atriplex rosea Grant D. Brown 1949-11-7 420 Los Angeles Jackson Lake, Big Pines-Valyermo Road 1981 Comment
  LA105584  Atriplex semibaccata Barry A. Prigge; 1989-5-10 8709 Los Angeles Santa Monica Mountains, Point Dume, above Dume Cove 45 Comment
  RSA478431  Atriplex serenana Anstruther Davidson 1919-1 s.n. Los Angeles Streets, Los Angeles. Comment
  UC56774  Atriplex serenana var. davidsonii Ernest Braunton Sep 1902 680 Los Angeles Los Angeles Los Angeles (Temple St.) Comment
  RSA453959  Atriplex suberecta Robert Gustafson 1981-6-17 2237 Los Angeles Ballona Wetlands, Area 1 Comment
  RSA279097  Atriplex watsonii R. F. Thorne 1974-9-13 45087 Los Angeles Santa Catalina Island: Inside Ballast Point, Catalina Harbor. 2 Comment
  RSA65346  Atriplex watsonii F. W. Peirson 1923-4-11 3462 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  RSA648716  Avena fatua Dolores Perez 1981-4-26 27 Los Angeles Zayanta Dr. at junction of 79th ST. in Playa del Rey. Comment
  CATA3360  Avena sativa Amy Catalano 2017-4-25 067 Los Angeles Santa Catalina Island: NW end of Little Harbor Campground, old horse tie-out post at campsite #2 13 Comment
  SBBG127476  Avena sativa M. L. Hoefs, S. A. Junak, K. Kirkland 1999-5-6 3020 Los Angeles Parson's Landing 4 Comment
  IRVC27022  Baccharis emoryi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  RSA599023  Baccharis emoryi L. C. Wheeler 1967-11-9 s.n. Los Angeles Eaton Wash. Comment
  IRVC24029  Baccharis glutinosa Fred M. Roberts, Gordon Marsh 1985-10-16 2478 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  SBBG12854  Baccharis pilularis subsp. consanguinea E. R. Blakley 1961-9-24 4780 Los Angeles Little Springs Cyn 15 Comment
  RSA127457  Baccharis plummerae Peter H. Raven, Henry J. Thompson 1958-10-11 1400 Los Angeles Tuna Canyon 1.8 miles north of Coast Highway 426 Comment
  UCSB12932  Baccharis salicifolia Suter, Richard 1961-3-30 Los Angeles On west bank of Devil's Gate Dam reservoir, 0.5 miles north of Devil's Gate Dam north of Pasadena 274 Comment
  UCD129494  Bahiopsis laciniata A. C. Sanders 2003-3-14 25754 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel. 520 Comment
  SBBG60847  Balsamorhiza deltoidea R. Hoffmann 1927-6-14 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  CAS-BOT-BC16439  Barbarea orthoceras R. F. Thorne; M. Z. Thorne 1969-7-9 38565 Los Angeles San Gabriel Mountains. Angeles National Forest. Upper part of meadow at Big Pines. 2087 Comment
  RSA128058  Bassia hyssopifolia P. H. Raven, H. J. Thompson 1959-9-6 14365 Los Angeles Salt marsh at mouth of Malibu Creek. 3 Comment
  RSA678917  Bassia hyssopifolia 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
  RSA248857  Bassia hyssopifolia R. F. Thorne 1973-4-12 42980 Los Angeles San Clemente Island, just SE of Airfield Operations. 61 Comment
  POM123140  Batis maritima Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA0048531  Berberis thunbergii var. atropurpurea Jack Pepper 1953-5-22 s.n. Los Angeles Woodland Hills. Comment
  SBBG128556  Beta vulgaris M. L. Hoefs, D. R. Hoefs, J. Hernandez 1995-6-15 2263 Los Angeles Cottonwood Cyn 33 Comment
  POM350841  Bidens frondosa Anstruther Davidson 1917-09 3271 Los Angeles Los Angeles Comment
  CAS-BOT-BC102040  Bidens laevis Geo. B. Grant 1902-11-2 s.n. Los Angeles Sherman S Calif Comment
  POM156340  Bidens pilosa L. R. Abrams 1902-5-31 2484 Los Angeles Inglewood. Comment
  UCR61036  Bidens pilosa R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  UCR271891  Blitum californicum R. G. Swinney 2010-4-28 12405 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
  SEINET3884836  Bloomeria crocea K. Dobry 1991-5-22 d 639 Los Angeles Ne section of Soka University, 1 mi east of Los Virgenes Rd. off Mulholland Hwy. Santa Monica Mountain.; 0 Comment
  SFV671  Bloomeria crocea R. L. Armacost Apr 1934 s. n. Los Angeles Santa Monica. Vacant hillside. Comment
  UCSB21859  Boechera arcuata Jones, D. 1967-5-19 Los Angeles Bouquet Canyon about 2 miles north of junction with Lake Hughs Rd.; Sawmill-Liebre Mtns. 990 Comment
  CAS-BOT-BC16087  Boechera californica George B. Grant 1904-5-5 6197 Los Angeles Arroyo Seco Canyon. Comment
  UCR281873  Boechera pulchra Mitch Provance 2010-5-20 510- 20 Los Angeles Tehachapi Mountains/Western Mojave Desert, 7.2 miles NW of corner of Rosamond Blvd. and 170th St., vicinity of powerline road. 1204 Comment
  SEINET7547706 Image available Bolboschoenus maritimus Scott D. White 1996-5-15 4041 Los Angeles Southern Coastal region: Marina Del Rey Area; Ballona Creek floodplain W of Lincoln Blvd. & S of Jefferson Blvd. Venice 7.5' Q 3 Comment
  UCD119133  Borago officinalis Collector unknown 1977-4-29 LASCA 1095 Los Angeles location unknown. Comment
  RSA385898  Bothriochloa barbinodis Anstruther Davidson 1892-04 s.n. Los Angeles Elysian Park?, Los Angeles. Comment
  UC2026419  Bowlesia incana Louis C. Wheeler 1965-5-16 8704 Los Angeles LIEBRE MOUNTAIN: Ravine S of Two Shay Ranch, Bouquet Canyon. Comment
  RSA0043290  Brassica campestris Robin J. Tausch 1963-2-24 s.n. Los Angeles Field north side Ventura Blvd., Encino. 243 Comment
  SBBG72249  Brassica geniculata R. Hoffmann 1931-10-1 Los Angeles Bob's Place, Mint Cyn Comment
  SEINET4565796 Image available Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles Transverse Ranges, Verdugo Mountains; northwest tip of the Verdugo Range, just east of Hansen Dam, west side of Wentworth Street, north of Stonehurst Avenue 305 Comment
  UC857596  Brassica rapa I. W. Clokey, E. G. Anderson 1931-3-11 5321 Los Angeles San Gabriel Canyon Comment
  UCR205646  Brassica rapa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36938 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  RSA482927  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  CAS-BOT-BC100399  Brickellia californica W. R. Dudley 1907-12-1 s.n. Los Angeles Monrovia Comment
  CAS-BOT-BC100415  Brickellia californica Grant 1898-3-24 1739 Los Angeles Pasadena - beyond Arroyo Seco Comment
  SJSU13524  Brickellia californica C. W. Sharsmith 1946-10-18 5498 Los Angeles Santa Monica Mts near head of Beverly Glen 304 Comment
  RSA652955  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain; Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  UCR238077  Brickellia nevinii Mark A. Elvin, Julie M. Vanderwier 2002-7-18 2104 Los Angeles Western Transverse Range; Santa Clarita Valley Area, Newhall Ranch, ridge west of Potrero Canyon 396 Comment
  RSA3606  Brodiaea jolonensis Carl B. Wolf 1932-5-13 3623 Los Angeles Santa Catalina Island. 3.5 mi (by road) from Avalon on way to Isthmus. 365 Comment
  SBBG108926  Brodiaea kinkiensis S. A. Junak 1997-4-24 SCl 867 Los Angeles N of Wall Rock Cyn, S of Arizona Rd 335 Comment
  LA201531  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2001-4-11 4897 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA133766  Bromus arizonicus P. H. Raven 1959-4-19 14012 Los Angeles Santa Monica Mountains: Along shore 0.8 miles east of Ventura County Line. 8 Comment
  RSA611830  Bromus berteroanus Steve Boyd, J. Mark Porter, Z. Lederman 1998-4-27 10151 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  SBBG56651  Bromus berteroanus R. Hoffmann 1932-4-8 Los Angeles 5 mi W of El Mirage Post Office Comment
  UCR142720  Bromus carinatus Edith A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills 457 Comment
  SEINET10933822  Bromus carinatus F. R. Fosberg 1931-4-14 Fosberg S 4608 Los Angeles Middle Ranch Canyon. Santa Catalina Island. Creek bed. Upper Sonoran Zone. Eagle's Nest. Comment
  UCD58129  Bromus carinatus Peter H. Raven 1960-5-15 15355 Los Angeles Santa Monica Mountains. Piuma Road, 2.1 miles east of Rambla Pacifica. 487 Comment
  UCR272601  Bromus carinatus var. marginatus R. G. Swinney 2011-6-7 15065 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  SBBG131530  Bromus catharticus S. A. Junak 1999-7-17 SCa 1069 Los Angeles W end of "Rig Field" 213 Comment
  CAS-BOT-BC156112  Bromus diandrus Peter H. Raven 1959-6-1 15417 Los Angeles Latigo Canyon. Santa Monica Mountains. 91 Comment
  CAS-BOT-BC156117  Bromus diandrus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. Comment
  LA98897  Bromus diandrus E. R. Hobbs; 1979-5-6 79- 69 Los Angeles Placerita Canyon State and County Park Comment
  OBI35603  Bromus diandrus Rebecca Cicoria 1981-4-23 12 Los Angeles In upper Altamira Cyn, Rolling Hills Comment
  POM363407  Bromus diandrus Stone 1936-3-23 s.n. Los Angeles SW Los Angeles. Comment
  RSA607460  Bromus diandrus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St.. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  RSA669700  Bromus diandrus LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 495 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. 412 Comment
  RSA763675  Bromus grandis Orlando Mistretta, Christine Mistretta 2008-5-20 3156 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
  UCR73385  Bromus grandis T. S. Ross 1991-8-14 5780 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  POM7098  Bromus hordeaceus L. T. Street, G. Williams 1919-5-10 2694 Los Angeles San Gabriel River near Bassett. 90 Comment
  LA13691  Bromus hordeaceus A. M. Johnson; 1932-4-8 3935 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SBBG131660  Bromus madritensis S. A. Junak 1999-5-20 SCa 944 Los Angeles just S of Cottonwood-Black Jack Rd 304 Comment
  UCR211792  Bromus madritensis Valerie Soza, LeRoy Gross 2002-5-8 1454 Los Angeles Transverse Ranges; Liebre Mountains Region, SW side of Deer Summit (3599 ft.), ridge between Dry Canyon and Haskell Canyon 1052 Comment
  RSA756314  Bromus madritensis subsp. madritensis Scott D. White, Justin M. Wood 2009-5-6 12679 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UC285018  Bromus madritensis subsp. rubens P. A. Munz 1923-4-10 6711 Los Angeles San Clemente Island Comment
  UC285016  Bromus marginatus P. A. Munz 1923-4-10 6733 Los Angeles San Clemente Island Comment
  RSA0113219  Bromus rubens R. G. Swinney 2011-3-26 14221 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. 476 Comment
  RSA249789  Bromus rubens R. F. Thorne 1973-5-11 43479 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano 1159 Comment
  RSA258391  Bromus rubens C. W. Tilforth 1972-4-12 471 Los Angeles [Rancho Santa Ana Botanic Garden, Claremont.] Comment
  RSA614153  Bromus rubens Anna Christensen 1997-3-13 3 Los Angeles Claremont, Bernard Biological Field Station. NW corner of Mills Ave. and Foothill Blvd. 412 Comment
  POM296807  Bromus stamineus Lyman Benson 1947-4-30 12348 Los Angeles Indian Hill, Claremont. 427 Comment
  RSA0095249  Bromus tectorum R. G. Swinney 2011-6-20 15225 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1567 Comment
  RSA729199  Bromus tectorum R. G. Swinney 1998-7-10 6374 Los Angeles Prairie Fork, near Cabin Flats Campground. Chaparral and riparian zone. 1591 Comment
  UCD59840  Bromus tectorum B. Crampton 1955-4-28 2729 Los Angeles Old State Hwy. 138, 15.5 miles west of Lancaster. Comment
  UCR50722  Bromus tectorum L. F. LaPre 1988-5-13 s.n. Los Angeles Western Transverse Range, Lake Hughes, 16 mi (airline) west of Lancaster in the San Andreas Rift. 1037 Comment
  RSA0019945  Bromus tectorum L. C. Wheeler 1967-5-29 9764 Los Angeles San Antonio Canyon, southwest of Spring Hill, between Dry Lake Canyon and Wildcat [Cat] Canyon. 884 Comment
  SEINET7047901  Bromus tectorum Steven R. Hill, Kate Kramer 2001-4-22 33349 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  SEINET239043 Image available Bromus trinii A. C. Sanders, D. Maueg; K. D. Jones 1998-6-22 21990 Los Angeles San Gabriel Mountains; Soledad Pass area at north foot of mtns. ca. 5 miles SW of Palmdale along SCE Mesa-Vincent Subs 1000 Comment
  UCR147853  Broussonetia papyrifera L. C. Wheeler 1951-10-13 s.n. Los Angeles Flower and 28th Street 60 Comment
  RSA0073363  Brugmansia R. G. Swinney 2010-3-16 11958 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA653839  Calandrinia breweri Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 770 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
  RSA466551  Calandrinia ciliata H. L. Bauer 1932-01 s.n. Los Angeles Santa Monica Mountains, near Topanga. 671 Comment
  RSA631082  Calandrinia ciliata L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  RSA65410  Calandrinia ciliata F. W. Peirson 1919-3-16 4318 Los Angeles Pasadena Glen, 2800 ft. 854 Comment
  UC7744  Calandrinia ciliata W. H. Brewer Feb., 1861 202 Los Angeles San Fernando Plains Comment
  RSA369057  Calochortus catalinae Robert L. Dressler 1949-6-19 896 Los Angeles Johnstone Peak, San Gabriel Mountains. 854 Comment
  RSA377289  Calochortus catalinae C. Epling, L. Ellison 1930-3-28 s.n. Los Angeles Las Flores Canyon. Santa Monica Mountains. Comment
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Oct 3 2014
  RSA562419  Calochortus catalinae D. E. Bramlet 1993-4-15 2313 Los Angeles Puente Hills, NE of Pomona peak. W of intersection Pomona Freeway and Chino Hills Parkway 381 Comment
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Dec 26 2010
  LA16844  Calochortus catalinae B. C. Templeton; 1939-4-19 4587 Los Angeles Comment
  UC1043438  Calochortus invenustus Richard M. Straw 1954-6-16 619 Los Angeles Horse Flats road, off Angeles Crest Hwy San Gabriel Mts. Comment
  HSC79107  Calochortus kennedyi var. kennedyi James Henrickson 1973-5-12 9597 Los Angeles 6 (air) mi. SE of Pearblossom, 4.6 (rd) mi. S of Llano in lower portion of Bob's Gap along 165 St. 1235 Comment
  UC3467  Calochortus palmeri J. Burtt Davy May 9 1896-May 24 1896 2608 Los Angeles Leonis Valley Antelope Valley Comment
  RSA747181  Calochortus plummerae Orlando Mistretta 1992-6-26 627 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  UCR146515  Calochortus plummerae Scott D. White, Michael Honer 2004-6-30 10539 Los Angeles San Gabriel Mountains, Mt. Baldy (town); along Glendora Ridge Rd. c. 0.25 mi SW of jct. with Mt. Baldy Rd. 1372 Comment
  SD232136  Calochortus splendens Valerie Soza, Sarah J. DeGroot 2003-6-11 1655 Los Angeles UTM in Supplement. Transverse Ranges; San Gabriel Mountains region: Praire Fork, southeast of Cabin Flat. Canyon bottom. 1799 Comment
  RSA377477  Calochortus venustus Robert Gustafson 1978-6-1 s.n. Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
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Apr 1 2010
  RSA670688  Calochortus venustus Bonnie C. Templeton 1947-5-21 6277 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA714586  Calochortus venustus A. C. Sanders 2005-5-5 29925 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark Plum. 701 Comment
  POM30489  Calycadenia tenella George B. Grant 1904-5-24 s.n. Los Angeles Collected at Pasadena. Comment
  RSA0110204  Calyptridium monandrum Richard G. Swinney 2011-5-16 14750 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. and FS Rd. 3N19 (along Big Tujunga Cyn.), c. 450 ENE of lodge in center of camp. 1375 Comment
  RSA0095350  Calystegia felix Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  RSA0120156  Calystegia macrostegia R. G. Swinney 2014-5-27 16673 Los Angeles San Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade., C. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin. 445 Comment
  UCR141321  Calystegia macrostegia R. F. Thorne, C. W. Tilforth 1971-4-9 41553 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest; San Dimas Canyon, below entrance to wooded area of canyon near creek 381 Comment
  RSA545311  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA545338  Calystegia macrostegia subsp. amplissima T. S. Ross 1992-4-14 6178 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  SBBG37910  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor Comment
  SD139301  Calystegia macrostegia subsp. amplissima Jon Rebman, Jonathan Dunn 1996-4-29 3114 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 49 Comment
  CAS-BOT-BC215793  Calystegia macrostegia subsp. intermedia Le Roy Abrams 1901-6-18 s.n. Los Angeles Los Angeles Comment
  RSA187676  Calystegia macrostegia subsp. intermedia R. F. Thorne 1966-9-14 36630 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. Margin of reservoir. 198 Comment
  RSA187864  Calystegia macrostegia subsp. intermedia R. F. Thorne 1966-4-28 36249 Los Angeles Santa Catalina Island: Hay Press area. 427 Comment
  RSA394897  Calystegia macrostegia subsp. intermedia Anstruther Davidson s.n. Los Angeles Santa Catalina Island. Comment
  POM222387  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1936-6-24 4181 Los Angeles San Dimas Canyon 671 Comment
  RSA589103  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1994-7-1 1396 Los Angeles San Gabriel Mtns; Santiago Canyon, Sheep Camp Spring, NW of summit of Pacifico Mountain. 1921 Comment
  RSA719585  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1997-7-22 5718 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  UCR238641  Calystegia occidentalis subsp. fulcrata Anuja Parikh, Nathan Gale 2010-6-18 3331 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 1.2 km north of State Hwy 2, Angeles Crest Hwy, 0.3 km west of Upper Big Tujunga Canyon Road, under powerlines 1225 Comment
  RSA549912  Camissonia Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 123 Los Angeles San Clemente Island. WNW-facing slope, approx. 2 km SSW of Wilson Cove on W Side of Island. 20 Comment
  RSA465655  Camissonia bistorta Anstruther Davidson 1905-5-1 s.n. Los Angeles Hollywood Comment
  RSA524970  Camissonia bistorta Tim S. Ross, Steve D. Boyd 1990-6-6 2825 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  RSA656669  Camissonia bistorta B. Brady 1980-6-1 23 Los Angeles Big Tujunga Canyon 457 Comment
  CSUSB169  Camissonia bistorta Heather Hanson 1966-4-10 Los Angeles Ten yards west of St. Francis Church in Palos Verdes Estates. 60 Comment
  UCR156106  Camissonia boothii A. C. Sanders 2005-5-5 29883 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
  RSA134493  Camissonia californica Venkatesh 1957-4-11 1 Los Angeles Soledad Canyon. Comment
  RSA624655  Camissonia californica Louis C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA466156  Camissonia californica G. R. Johnstone 1930-9-14 s.n. Los Angeles San Gabriel Mountains. Edison Road above Dark Canyon. Comment
  RSA647809  Camissonia californica LeRoy Gross, Laura Moore 2000-6-5 201 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  UCR222731  Camissonia campestris R. G. Swinney 2009-5-12 10729 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA316353  Camissonia campestris subsp. campestris Robert F. Thorne, Walter Wisura, Susanne Granger, Pamela Burton 1982-4-20 54965 Los Angeles 2.5 miles S of Llano 1159 Comment
  RSA454717  Camissonia campestris subsp. campestris Ora M. Clark 1929-3-30 1914 Los Angeles Antelope Valley, Mojave Desert, w. Lancaster Comment
  RSA589198  Camissonia campestris subsp. campestris Tim S. Ross 1991-4-27 4676 Los Angeles Mojave Desert: Black Butte Basin Road: 1.95 miles and ca 148 deg SW of Three Sisters buttes. 982 Comment
  RSA756202  Camissonia campestris subsp. campestris Barbara Ertter, L. R. Heckard, T. Sholars, J. Hickman 1988-5-23 7478 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  RSA75689  Camissonia campestris subsp. campestris F. W. Peirson 1921-5-20 793 Los Angeles Mojave Desert, Little Rock Creek, San Gabriel Mountains 1067 Comment
  RSA165692  Camissonia hirtella Brian C. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Radio Tower, road from Liebre Camp to Sawmill Camp. 1768 Comment
  UCR191713  Camissonia hirtella A. C. Sanders 2008-4-18 34953 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 959 Comment
  POM128778  Camissonia hirtella Thomas Craig, Simonds 1927-4-30 225 Los Angeles 2 miles above mouth of Evey Canyon, San Gabriel Mts. Comment
  RSA195453  Camissonia intermedia Peter H. Raven 1963-4-17 18171 Los Angeles Santa Catalina Island: progeny of no. 17857, cultivated at Stanford. Comment
  RSA702960  Camissonia pallida Scott D. White, Michael Honer 2004-3-30 9972 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  RSA713733  Camissonia pallida subsp. pallida LeRoy Gross 2005-4-28 2144 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  SEINET12189015  Camissonia refracta J. F. Bright, Wyman, C. 1933-1 8367 Los Angeles San Fernando Valley Comment
  UCR271067  Camissonia strigulosa R. G. Swinney 2011-5-26 14836 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  UCR273267  Camissoniopsis R. G. Swinney 2011-5-10 14653 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  UCD103427  Camissoniopsis bistorta Geoffrey Levin 1974-4-26 33 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  CATA3129  Camissoniopsis intermedia Amy Catalano 2016-5-26 135 Los Angeles Santa Catalina Island: South facing slope on north side of Buffalo Springs Canyon, northwest of lower reservoir in sandy open slope 380 Comment
  LA210313  Camissoniopsis intermedia Botany III; Los Angeles Santa Monica Mountains Comment
  CAS-BOT-BC37084  Capsella bursa-pastoris C. W. Tilforth 1968-11-23 132 Los Angeles Los Angeles State and County Arboretum. Comment
  UC855939  Cardamine californica var. californica I. W. Clokey, E. G. Anderson 1931-3-11 5322 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC37899  Cardamine oligosperma A. R. Roos 1958-6-12 s.n. Los Angeles Evans & Reeves Nursery, Brentwood. West Los Angeles. Comment
  UCR260359  Carduus pycnocephalus R. G. Swinney 2010-4-30 12449 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  RSA0127209  Carex Louis C. Wheeler 1967-7-15 10029 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  RSA616068  Carex alma Scott D. White, Brian Leatherman 1997-1-21 6060 Los Angeles NW San Gabriel Mountains, Santa Clara River Watershed: Pole Canyon, above existing quarry (site proposed for expanded mining operations). 579 Comment
  UC822622  Carex alma Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Secco 975 Comment
  POM21249  Carex alma Phillip A. Munz 1923-5-26 6857 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  UC1133495  Carex alma Jerome S. Horton 1936-5-26 342 Los Angeles Tanbark Flat 853 Comment
  RSA729437  Carex aurea R. G. Swinney 1998-7-14 6421 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UC72397  Carex schottii Geo. B. Grant Feb 1903 137 Los Angeles Pasadena Southern California Comment
  RSA640887  Carex senta L. C. Wheeler 1967-8-2 10336 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  SEINET13261693  Carex teneriformis R. F. Thorne 1971-8-25 41294 Los Angeles San Gabriel Mts., Angeles National Forest: at Little Jimmy Springs in yellow pine forest. 2256 Comment
  CAS-BOT-BC115640  Carex triquetra Louis C. Wheeler 1934-3-23 2460 Los Angeles San Dimas Canyon, San Gabriel Mts. 426 Comment
  CDA6925  Carthamus creticus E. M. Becker 1948-7-2 Los Angeles San Francisquito Canyon above Saugus. 11.8 miles north of Bouquet Canyon Road - TC Fuller. 0 Comment
  RSA425913  Castilleja affinis Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  LA32205  Castilleja affinis Henry J. Thompson; 1959-3-27 1875 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, 0.5 mi from Coast Hwy on Rambla Padifica Rd. 60 Comment
  POM4197  Castilleja affinis O. W. Robinson 1916-3-8 s.n. Los Angeles Near Johnson's Pastures. N of Claremont. Comment
  UC535513  Castilleja affinis subsp. affinis Ira W. Clokey, B. Templeton Apr 1929 4427 Los Angeles Mandeville Canyon; Santa Monica Mountains 425 Comment
  UCR191533  Castilleja applegatei R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 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
  RSA588969  Castilleja applegatei subsp. martinii Orlando Mistretta 1994-6-8 1350 Los Angeles Little Rock Creek, un-named drainage draining N slope of Bare Mountain 1738 Comment
  RSA732780  Castilleja applegatei subsp. martinii R. G. Swinney 2000-6-19 7821 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  UC1971140  Castilleja applegatei subsp. martinii Scott D. White, D. E. Bramlet 1998-6-29 6809 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  POM50217  Castilleja applegatei subsp. martinii L. R. Abrams 1901-4-3 1293 Los Angeles Santa Monica Mountains. Comment
  SBBG79305  Castilleja exserta F. R. Fosberg 1932-5-5 8107 Los Angeles hill N of Avalon 40 Comment
  UC1334719  Castilleja exserta A. H. Gallup 1949-5-21 Los Angeles along mid-sw boundary, along s fence Los Angeles State and County Arboretum, Arcadia; Arcadia, Los Angeles State and County Arboretum Comment
  RSA0044701  Castilleja foliolosa Valerie L. Soza, Steve D. Boyd, Leland Lubinsky 2000-6-29 1043 Los Angeles Liebre Mountains: Junction of Old Ridge Route (FS Road 8N04) and road to summit of Liebre Mountain (FS Road 7N23). 1189 Comment
  SD90316  Castilleja foliolosa Robert F. Thorne 1970-3-5 39351 Los Angeles Santa Catalina Island; NE slope of Blackjack Mt., at upper end of Swain's Canyon 395 Comment
  UCSB5974  Castilleja foliolosa Waian, Lee 1960-4-10 Los Angeles near Sheldon Road; 1 mile west of Foothill Blvd; in the Hansen Dam Basin Comment
  CAS-BOT-BC243781  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Horse Flats Campground, Angeles National Forest, San Gabriel Mountains Comment
  RSA578317  Castilleja minor subsp. spiralis Tim S. Ross, Steve D. Boyd 1994-5-10 7709 Los Angeles Warm Springs Canyon: spring (un-named, but marked on topo map) along Warm Springs-Fish Canyon truck Trail (6N32); 2160 m NNW of Warm Springs Mtn. summit. 799 Comment
  RSA628874  Castilleja plagiotoma Louis C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek, 3/4 mile north of Big Rock Springs. 1159 Comment
  UCR197745  Castilleja plagiotoma Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 77 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA531109  Caulanthus cooperi Robert Gustafson, Gary D. Wallace 1982-4-26 2556 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 975 Comment
  LA200341  Caulanthus heterophyllus Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG77958  Caulanthus lasiophyllus F. R. Fosberg 1931-4-13 4594 Los Angeles Pebbly Beach Cyn 25 Comment
  RSA0060227  Ceanothus arboreus M. B. Dunkle 1928-3-11 1731 Los Angeles Santa Catalina Island. Upper canyon slopes, Grand Canyon. 366 Comment
  CAS-BOT-BC48760  Ceanothus crassifolius H. E. McMinn 1926-7-24 1796 B Los Angeles San Antonio Canyon Comment
  POM86922  Ceanothus crassifolius Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  RSA0065635  Ceanothus crassifolius LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6790 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA279107  Ceanothus crassifolius Robert F. Thorne 1971-3-25 41504 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  RSA398865  Ceanothus crassifolius Fay A. MacFadden 1931-3-16 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SBBG15979  Ceanothus crassifolius var. crassifolius W. G. Webb 1935-1-13 Los Angeles Eagle Rock Comment
  SBBG125800  Ceanothus crassifolius var. planus L. Ballard 2013-3-12 Los Angeles Towsley Cyn, Santa Susana Mtns 426 Comment
  SEINET6053901  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA25782  Ceanothus greggii var. vestitus Carl B. Wolf 1941-7-1 10938 Los Angeles 6 3/10 mi. w. of Palmdale on Rd. to Elizabeth Lake along Amargosa Creek. 884 Comment
  UCR98740  Ceanothus greggii var. vestitus Steve Boyd, Lauren Raz 1997-5-1 9662 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
  RSA754006  Ceanothus integerrimus Unspecified 670604 Los Angeles San Gabriel Mountains Comment
  UCR223795  Ceanothus integerrimus R. G. Swinney 2009-8-25 11476 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  CAS-BOT-BC51031  Ceanothus integerrimus var. macrothyrsus Vernon Bailey 1907-9-3 1266 Los Angeles San Antonio Peak (East base), San Gabriel Mts. 1828 Comment
  RSA773605  Ceanothus leucodermis R. G. Swinney 2009-6-24 11264 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  CLARK-A1528-3913  Ceanothus megacarpus John C. Roos 1943-3-30 2599 Los Angeles Santa Monica Mountains Comment
  UC1070895  Ceanothus megacarpus var. megacarpus A. D. Gifford 1934-4-24 153 Los Angeles w of Castro Peak; Truinfo Pass quad. 762 Comment
  RSA398828  Ceanothus oliganthus var. oliganthus Anstruther Davidson 1896-04 1743 Los Angeles 2/3 way up Wilson Trail; Wilson's Peak. Comment
  UC574961  Ceanothus oliganthus var. oliganthus Carl Epling, R. Fowler, K. Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
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Nov 11 2014
  RSA758705  Ceanothus oliganthus var. oliganthus Orlando Mistretta, Christine Mistretta 2008-4-19 2505 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA1139  Ceanothus spinosus E. R. Johnson 1929-3-31 1252 Los Angeles Mulholland Drive. Comment
  UC1071356  Ceanothus spinosus R. St. John 1930-1-20 74 Los Angeles 2 1/2 mi e Triunfo Pass (Plot 9); Triunfo Pass Quad. Comment
  RSA398965  Ceanothus thyrsiflorus J. Caraine 1932-3-28 15732 Los Angeles San Marino Comment
  CHSC108493  Celtis australis R. E. Riefner Jr. 2006-7-18 06 -304 Los Angeles City of Pasadena, San Rafael Hills, canyon in vicinity of Candeo Pl. and Wierfield Dr. UTM:11S 0391056E 3779872N. 319 Comment
  CAS-BOT-BC272111  Centaurea cyanus Rev. J. C. Nevin 1904-1-1 s.n. Los Angeles N. Pomona Comment
  LA202288  Centaurea cyanus Arthur C. Gibson; 2005-6-25 5035 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy. opposite Seminole Drive. Comment
  RSA772394  Centaurea melitensis R. G. Swinney 2009-5-8 10697 Los Angeles Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  LA34840  Centaurea melitensis Mary V. Hood; 1937-1 37 30 - Los Angeles Santa Monica Mountains, Westwood, UCLA campus 121 Comment
  SEINET3245925  Centaurium exaltatum R. G. Swinney 2005-1 8433 Los Angeles San Gabriel Mtns: Big Rock Creek at Paradise Springs. 1439 Comment
  CAS-BOT-BC288830  Centromadia parryi subsp. australis James I. McMurphy 1916-8-14 s.n. Los Angeles Los Angeles Comment
  SEINET3372080  Centromadia parryi subsp. australis G. Rink 2011-6-6 10596 Los Angeles Just south of the Triple Clays Shooting Range in Whittier, weedy place 55 Comment
  RSA65894  Centrostegia thurberi var. thurberi F. W. Peirson 1930-5-31 8909 Los Angeles Below Lovejoy Dam, Lovejoy Buttes, southwestern Mojave Desert. Comment
  POM7004  Cerastium glomeratum P. A. Munz, L. T. Street, G. Williams 1919-4-5 2468 Los Angeles Puddingstone Creek, San Dimas Comment
  SBBG12085  Cerastium glomeratum P. H. Raven 1962-4-10 17210 Los Angeles summit of Thirst 579 Comment
  UCR124747  Cercocarpus betuloides B. C. Templeton, I. W. Clokey 1930-4-2 1431 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 610 Comment
  CAS-BOT-BC142148  Cercocarpus betuloides var. betuloides Roxana S. Ferris 1941-3-10 10326 Los Angeles Ridge west of U.S. Highway #99 near Pico Canyon Road 472 Comment
  RSA250435  Cercocarpus betuloides var. betuloides Robert F. Thorne, R. Carolin, Christopher Davidson 1967-3-23 41610 Los Angeles San Gabriel Mts., Angeles National Forest: San Gabriel Canyon near Coldbrook. 1067 Comment
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Nov 5 2014
  RSA453290  Cercocarpus betuloides var. betuloides Fordyce Griffiths Jr. 1910-06 s.n. Los Angeles Long Canyon, San Gabriel Mountains. Comment
  RSA656567  Cercocarpus betuloides var. betuloides James Henrickson 2000-4-29 20731 Los Angeles Ca. 2 miles E of La Cresenta along Angeles Crest Highway ca. 2-5 miles NE of the 210 Freeway, in Angeles National Forest 1067 Comment
  RSA657368  Cercocarpus betuloides var. betuloides Joseph M. Keefe 2001-1-19 30948 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles. 305 Comment
  RSA190997  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36876 Los Angeles Santa Catalina Island. Wild Boar Gully (Cercocarpus Arroyo) 152 Comment
  UCD22490  Cercocarpus betuloides var. blancheae Brian Vanden Heuvel 2003-5-8 219 Los Angeles Santa Monica Mountains. On Decker Rd., 1 mile north of junction of Mulholland Hwy. and Decker Rd. Comment
  CAS-BOT-BC143821  Cercocarpus ledifolius var. ledifolius Le Roy Abrams; E. A. McGregor 1908-7-3 616 Los Angeles North Baldy Mountain, San Gabriel Mountains 2438 Comment
  RSA190897  Cercocarpus traskiae Robert F. Thorne 1967-3-18 36735 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  CAS-BOT-BC279525  Chaenactis artemisiifolia Peter H. Raven; H. J. Thompson; S. R. Snow 1956-6-22 9451 Los Angeles Below Mulholland Drive above Sepulveda Blvd., Santa Monica Mts. Comment
  UCR223732  Chaenactis artemisiifolia R. G. Swinney 2009-6-12 11139 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  SD41999  Chaenactis fremontii Darley F. Howe 1947-5-4 Los Angeles Near Vincent, Western Mohave Desert. Comment
  UCR222740  Chaenactis fremontii R. G. Swinney 2009-4-29 10609 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  RSA585335  Chaenactis fremontii Timothy S. Ross 1991-4-27 4723 Los Angeles Black Butte: easterly and northeasterly slopes 1082 Comment
  RSA670350  Chaenactis fremontii B. C. Templeton 1931-5-17 1207 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  UCR126671  Chaenactis glabriuscula A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26206 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  UCR241081  Chaenactis glabriuscula Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  SEINET10907485  Chaenactis glabriuscula David B. Dunn 1941-3-30 Dunn 993 Los Angeles Sparse grassy land 3 miles east of Banning. 2 miles west of Redlands by the railroad tracks. Comment
  CAS-BOT-BC277338  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1904-5-1 249 Los Angeles Pasadena Comment
  CAS-BOT-BC277343  Chaenactis glabriuscula var. glabriuscula S. B. Parish 1914-5-27 9283 Los Angeles Near Summit Tejon Pass Comment
  CAS-BOT-BC277364  Chaenactis glabriuscula var. glabriuscula Alice Eastwood 1906-5-27 60 Los Angeles Garvanza Comment
  RSA562558  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta 1993-5-11 8122 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  POM351760  Chaenactis glabriuscula var. glabriuscula George B. Grant 1906-6-17 249 -6919 Los Angeles summit of Mt. Wilson Comment
  POM351762  Chaenactis glabriuscula var. glabriuscula Robert Gustafson 1978-5-14 934 Los Angeles Agua Dulce Canyon Road, about 0.5 mile from the junction with Sierra Hwy. 701 Comment
  CAS-BOT-BC277524  Chaenactis glabriuscula var. lanosa Alice Eastwood; John Thomas Howell 1937-4-26 3941 Los Angeles Near Saugus Comment
  RSA642039  Chaenactis santolinoides Orlando Mistretta 1993-6-28 907 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  UCR206436  Chaenactis santolinoides R. G. Swinney 2008-6-10 8985 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  UCR23738  Chaenactis santolinoides John C. Roos 1947-5-31 3667 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  RSA652573  Chaenactis stevioides Marion P. Harthill 1974-4-22 1663 Los Angeles Mojave Comment
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Jan 4 2012
  JEPS30913  Chaenactis xantiana P. Stockwell 1935-5-16 1309 Los Angeles Ouail Lake Quail Lake 1008 Comment
  RSA618723  Chamaesyce albomarginata Scott D. White, Sandra Leatherman 1998-5-19 6537 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA435973  Chamaesyce albomarginata G. R. Johnstone 1928-4-28 s.n. Los Angeles Two mi. E. of Palmdale. Comment
  RSA127811  Chamaesyce maculata P. H. Raven, H. J. Thompson 1959-9-18 425 Los Angeles Weed about plantings, campus of the University of California, West Los Angeles. 130 Comment
  RSA432400  Chamaesyce melanadenia E. S. Spalding 1923-5-30 s.n. Los Angeles Sierra Madre Canyon Comment
  RSA432402  Chamaesyce melanadenia Evelyn Dorio 1934-3-18 s.n. Los Angeles Mt. Wilson Trail. Comment
  RSA733674  Cheilanthes covillei R. G. Swinney 1998-8-5 6649 Los Angeles San Gabriel Mtns.: upper Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1280 Comment
  RSA771638  Cheilanthes covillei R. G. Swinney 2009-6-2 10986 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  SEINET3153703  Cheilanthes covillei G. B. Grant, W. Wheeler 1904-5-17 6264 Los Angeles Mt. Wilson 1676 Comment
  UC1874981  Cheilanthes covillei Ruth Kirkpatrick 2001-7-30 1080 Los Angeles San Gabriel Mountains at Red Box Picnic Area on Angeles Crest Hwy (Hwy 2), Angeles National Forest Red Box Station. Angeles Crest Hwy and Mount Wilson/Red Box 1432 Comment
  UC62621  Cheilanthes covillei Geo. B. Grant 1901-1 247 Los Angeles Mt Lowe 1524 Comment
  SEINET804423  Cheilanthes covillei L. L. Kiefer 1967-1 3567 Los Angeles San Gabriel Mountains, Devil Canyon, Boar Canyon, wild area, W. fork Boar Ck, trib of W. fork of San Gabriel R. ca. 31.5 miles upstream. 1066 Comment
  LA31612  Chenopodium ambrosioides Peter H. Raven; Henry J. Thompson 1959-9-6 14386 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  RSA188514  Chenopodium atrovirens R. F. Thorne, John Olmsted 1965-8-26 35366 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  IRVC29001  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-25 25267 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  RSA701283  Chenopodium berlandieri LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1041 Los Angeles South side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. 393 Comment
  RSA762880  Chenopodium berlandieri R. G. Swinney 2008-10-10 9563 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  SBBG65288  Chenopodium berlandieri R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  SD181600  Chenopodium berlandieri LeRoy Gross, Michael Denslow,B. Hogshead, Sarah Swartzentruber 2003-6-17 1041 Los Angeles Transverse Ranges, Verdugo Mtns, south side of mtns, Brand Cyn, below large waterfall, where cyn forks off; Burbank 7.5' quad.; area burned last year. At check dam (man-made waterfall). 392 Comment
  RSA64803  Chenopodium berlandieri var. sinuatum F. W. Peirson 1924-10-26 5258 Los Angeles Arroyo Seco, below California St. bridge, Pasadena 198 Comment
  RSA584333  Chenopodium botrys T. S. Ross, Orlando Mistretta 1993-5-26 7306 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (USFS) between Wilson Canyon Saddle and May Canyon saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. 1043 Comment
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Sep 30 2014
  UCSB45277  Chenopodium californicum Davis, K. 1979-2-4 Los Angeles End of Tranchas Canyon Rd. near Malibu in the Santa Monica Mtns. 91 Comment
  RSA703175  Chenopodium fremontii Scott D. White 2004-8-11 10708 Los Angeles About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  CDA3119  Chenopodium multifidum L. C. Wheeler 1947-4-13 6466 Los Angeles San Gabriel Mountains; San Gabriel Mountains: Ridge on south side of Millard Canyon.. Elev. 2100 Feet. Comment
  RSA527804  Chenopodium murale T. S. Ross, Annette Ross 1991-6-3 5539 Los Angeles Elephant Hill: W Pomona. 287 Comment
  RSA423239  Chenopodium murale Robert Gustafson 1981-4-29 2211 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA64785  Chenopodium murale F. W. Peirson 1923-4-9 3481 Los Angeles San Clemente Island: canyon near Lemon Tank at Middle ranch Comment
  CAS-BOT-BC250939  Chorizanthe parryi var. fernandina Mark A. Elvin; Cathleen Weigand 2003-4-8 2453 Los Angeles Santa Clarita Valley: Newhall Ranch Commerce Center, confluence of Hasley Canyon and Castaic Creek, N of Hwy 126 319 Comment
  UC217967  Chorizanthe parryi var. parryi F. Robinson 1921-6-2 71 Los Angeles e Claremont; e of Claremont 396 Comment
  JEPS57799  Chorizanthe staticoides Ralph Hoffmann 1930-7-7 Los Angeles N Los Angeles County. Elizabeth Lake Canyon Comment
  UCR277133  Chorizanthe staticoides R. G. Swinney 2010-5-25 12952 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Manzanita Trail 150 meters south of Nature Center 488 Comment
  UCR192542  Chorizanthe watsonii T. B. Salvato 2008-4-25 3343 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
  UCR220061  Chorizanthe watsonii R. G. Swinney 2009-4-24 10443 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  SBBG62367  Chorizanthe xanti var. xanti R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  RSA476630  Chrysolepis sempervirens Bonnie C. Templeton 1932-7-21 5031 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  UCR204806  Chrysothamnus nauseosus R. G. Swinney 2005-8-26 8529 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, peak 6374, c. 1/2 mi. SW of Devils Chair 1943 Comment
  UCD150956  Chrysothamnus viscidiflorus D. S. Park 2010-4-26 41 Los Angeles Ranch Santa Ana Botanic Garden 401 Comment
  UC1537605  Chylismia claviformis subsp. claviformis Gordon H. True Jr. 1935-4-19 272 Los Angeles sandy s slope Lovejoy Butte 853 Comment
  CDA1278  Cirsium mohavense T. C. Fuller 1958-8-6 2083 Los Angeles 4 mi. N/ Lancaster; adj. to r.r. Comment
  CDA1279  Cirsium mohavense T. C. Fuller 1960-7-14 4912 -A Los Angeles W side of Hwy 6, 4 mi. N/Lancaster, 0.5 mi. S/ Hwy 138. Comment
  CAS-BOT-BC285402  Cirsium occidentale var. californicum I. M. Johnston 1917-8-22 1707 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel R. 1828 Comment
  CAS-BOT-BC285407  Cirsium occidentale var. californicum A. J. McClatchie 1895-1-1 s.n. Los Angeles Pasadena Comment
  UCR61038  Cirsium occidentale var. californicum R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, in Big Dalton Canyon and its tributaries. E side of Glendora Mtn Rd, 100 yards south of Little Dalton Campground 381 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA643964  Cistanthe monosperma V. W. Steinmann 1996-5-17 916 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
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Nov 8 2010
  RSA33900  Cistus incanus Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  UC1871029  Cistus incanus T. S. Ross, Walter Appleby 1993-5-20 7186 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle; San Fernando quad: R15W T3N, NE/4 SE/4 sect. 9 Comment
  UC144376  Clarkia dudleyana C. F. Baker May 1904 4714 Los Angeles hills near Claremont Comment
  UC144378  Clarkia epilobioides C. F. Baker 1904-5-5 4735 Los Angeles Claremont Comment
  RSA0021295  Clarkia purpurea Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5090 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA647974  Clarkia purpurea Michelle Manolovitz, Brian Manolovitz 1992-5-12 22 Los Angeles Santa Fe Dam, 15501 E. Arrow Highway, Irwindale; 1 mile northeast of park office. Comment
  CAS-BOT-BC163698  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction of 1127 Comment
  RSA491786  Clarkia purpurea subsp. quadrivulnera James L. Reveal 1988-5-17 6790 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon). Road and 3.3. miles southwest of the junction of Elizabeth Lake Road (County Road N2) in Leona Valley., At the junction of San Franciscito Road at the Angeles National Forest boundary. 1128 Comment
  UCR133566  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles Arroyo Seco, Pasadena 457 Comment
  JEPS43822  Clarkia rhomboidea Frank W. Peirson 1920-6-10 2161 Los Angeles trail by Mt. Markham; San Gabriel Mountains 1645 Comment
  CAS-BOT-BC165518  Clarkia unguiculata Timothy S. Ross; Steve Boyd 1994-5-25 7938 Los Angeles Necktie Basin: Hanging Basin ca 470-830 m W of Warm Springs Mtn summit 1075 Comment
  RSA162762  Clarkia unguiculata J. D. Olmsted 1958-5-11 128 Los Angeles Claremont, drainage along San Antonio Creek on Pomona College Campus. 366 Comment
  RSA165714  Clarkia unguiculata Lawrence T. McHargue, B. Miller 1963-7-6 s.n. Los Angeles Atmore Meadow, Liebre Mtn. 1372 Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  UCR108990  Clarkia unguiculata R. S. Woglum 1930-5-10 s.n. Los Angeles San Fernando Valley, North Hollywood Comment
  RSA592843  Claytonia exigua subsp. exigua Steve Boyd, Orlando Mistretta 1996-5-1 8750 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  SD252355  Claytonia parviflora Steven A. Junak 2000-4-1 Sca 1162 Los Angeles Santa Catalina Island: On E side of Cherry Canyon, ca. 0.1 mile from road to camp, along main road. 67 Comment
  RSA0073720  Claytonia parviflora subsp. viridis Orlando Mistretta, Christine Mistretta 2005-4-21 2056 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA466683  Claytonia perfoliata subsp. mexicana M. B. Dunkle 1929-3-23 2072 Los Angeles Middle Ranch, Santa Catalina Island. Comment
  UCR271087  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-6-6 14990 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA466697  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1932-3-12 474 Los Angeles Mandeville Canyon, Santa Monica Mts. 122 Comment
  SDSU17713  Claytonia perfoliata subsp. mexicana S. H. Bullock 1968-5-23 158 Los Angeles San Gabriel Mountain Range. San Antonio Canyon off of the 'Old' Mount Baldy Road. 945 Comment
  LA52249  Clematis lasiantha Martha Hilend Kinsey; 1935-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA250646  Clematis lasiantha Robert F. Thorne 1971-3-31 41448 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  RSA386216  Clematis lasiantha Louis C. Wheeler 1932-3-20 509 Los Angeles Head Mandeville Canyon. 457 Comment
  RSA573736  Clematis lasiantha Tim S. Ross 1992-7-17 6714 Los Angeles Condor Peak and immediate vicinity. 1622 Comment
  RSA760604  Clematis ligusticifolia R. G. Swinney 2008-9-10 9414 Los Angeles South Fork Big Rock Creek 1463 Comment
  RSA6002  Clematis ligusticifolia var. californica Carl B. Wolf 1932-10-5 4239 Los Angeles Santa Catalina Island, 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA599584  Cleome isomeris Steve Boyd, Lauren Raz 1997-3-25 9311 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR126865  Cnicus benedictus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26201 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA0117477  Collinsia bartsiifolia var. davidsonii A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37952 Los Angeles Tehachapi Mountains: Crane Canyon, 1.0 mi. SE (144 deg ) of Castac Lake, 1.7 mi. NE (43 deg ) of Gorman, just S of Kern Co. line. 1141 Comment
  UC26591  Collinsia callosa J. Burtt Davy May 9 1896-May 24 1896 2562 Los Angeles Manzana; Antelope Valley Comment
  RSA0117352  Collinsia parryi Louis C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon, north side of ridge north of Cascade Canyon. 1189 Comment
  RSA412253  Collinsia torreyi var. wrightii Bonnie C. Templeton 1932-6-17 4908 Los Angeles Flat near West Blue Ridge, Big Pines Park, San Gabriel Mountains. Comment
  UCR65564  Collinsia torreyi var. wrightii Orlando Mistretta 1987-5-5 s.n. Los Angeles San Gabriel Mtns., Angeles National Forest, Head of Delker Canyon along trail 7W08 immediately east of Kelly's Camp 2409 Comment
  RSA580095A  Collomia grandiflora T. S. Ross, S. D. Boyd, Steve Burns 1994-7-7 8142 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1695 Comment
  RSA165690  Collomia grandiflora Lawrence T. McHargue, Brian C. Miller 1963-7-6 s.n. Los Angeles Sawmill Mt. Campground 1616 Comment
  RSA678137  Colutea arborescens Valerie L. Soza, Monica Acosta, Tasha La Doux, Michael Wall 2001-6-28 1307 Los Angeles Upper Forest Service Road 2N66, between Fern Canyon and Pine Canyon. Comment
  UCR179488  Colutea arborescens R. G. Swinney 1989-7-8 s.n. Los Angeles San Gabriel Mountains, Glendora Wilderness Park, in Big Dalton Canyon. 1.6 mi. NE of Glendora Mountain Road on Big Dalton Canyon Road 473 Comment
  CATA3052  Comarostaphylis diversifolia subsp. planifolia Amy Catalano 2016-3-25 064 Los Angeles Santa Catalina Island: Fern Canyon, about 0.6 miles up canyon, just above drainage bottom, south side 172 Comment
  UC303079  Constancea nevinii T. Minthorn 1920-7-1 Los Angeles near Avalon; Catalina Island Comment
  UCR247271  Conyza bonariensis Dan S. Cooper 2013-8-8 813- 44 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  POM4753  Conyza bonariensis I. M. Johnston 1917-4-11 11 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] Comment
  UCR209877  Conyza canadensis R. G. Swinney 2008-9-9 9330 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  UC1012419  Cordylanthus rigidus subsp. setiger F. W. Pennell and F. W. Peirson 1940-8-23 26467 Los Angeles Mount Wilson 1676 Comment
  UC1713154  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Fork San Antonio Mountains 1371 Comment
  UCR12189  Coreopsis californica William R. Bowen 1962-4-20 050 Los Angeles West Mojave Desert, 4 mi north of Llano on County Rd 167th St. 945 Comment
  RSA92473  Coreopsis californica F. W. Peirson 1917-5-13 2780 Los Angeles Near Little Rock, Mojave Desert. Comment
  UC33135  Coreopsis californica var. californica Dr. A. Davidson 1890-1 Los Angeles Los Angeles Comment
  RSA611832  Coreopsis calliopsidea Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10149 Los Angeles Mojave Desert: Antelope Valley region, north of Lake Los Angeles (aka Lovejoy Lake) in valley between Lovejoy and Saddleback buttes, along 170th Street, just east of Challenger Middle School. 793 Comment
  CAS-BOT-BC105678  Corethrogyne filaginifolia Wesley O. Griesel 1961-9-16 s.n. Los Angeles Los Angeles 152 Comment
  POM40858  Corethrogyne filaginifolia var. filaginifolia Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  CLARK-A1528-1787  Corethrogyne filaginifolia var. peirsonii John C. Roos 1937-8-11 2543 Los Angeles Comment
  RSA729583  Cornus sericea subsp. sericea R. G. Swinney 1999-7-5 7495 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
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Apr 12 2010
  UCR197089  Coronopus didymus LeRoy Gross 2007-5-16 2732 Los Angeles Transverse Range; Verdugo Mountains, southern side of the range, near parking area for trails toward Wildwood Canyon, and along Wildwood Canyon Road just above the debris basin 427 Comment
  UCR219209  Coronopus didymus Lorraine Weller 2010-5-5 050510- 01 Los Angeles Culver City Community Garden, 10860 Culver Blvd., Culver City 18 Comment
  SD125358  Coronopus didymus Robert F. Thorne 1973-4-11 42726 Los Angeles Rancho Santa Ana Botanic Garden; Claremont. 365 Comment
  RSA187984  Cortaderia selloana R. F. Thorne, Percy C. Everett 1965-6-22 34870 -B Los Angeles Santa Catalina Island: beyond Lookout Point 30 Comment
  CATA2208  Cotoneaster pannosus Sara L. Crockett 1997-3-14 90 Los Angeles Santa Catalina Island: Hillside adjacent to small park at base of Avalon Canyon Road near 5-way intersection, below steps leading up to Country Club Drive 36 Comment
  SFV3859  Cotula coronopifolia M. L. Vincent 1960-5-12 58 Los Angeles Malibu Lagoon on Highway 101. Near Malibu Beach Colony. 3 Comment
  POM143666  Crassula connata F. R. Fosberg 1931-3-20 S- 4313 Los Angeles Mouth of Hamilton Canyon, Santa Catalina Island 2 Comment
  RSA762351  Crassula connata R. G. Swinney 2009-3-6 10053 Los Angeles 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
  SEINET3860069  Crassula connata R. G. Swinney 2009-4-19 10349 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: confluence of Van Tassel and San Gabriel canyons, 1.3 miles north of Foothill Blvd. , on both side of El Encanto Parkway.; 0 183 Comment
  UC1928625  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Los Angeles Basin region; Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. Comment
  RSA135134  Crassula connata var. subsimplex P. H. Raven, Henry J. Thompson 1960-4-13 15074 Los Angeles NW slope of Mt. Hollywood 335 Comment
  UCR142772  Crassula tillaea L. C. Wheeler 1967-4-23 9193 Los Angeles San Gabriel Mtns, N slope of Sunset Ridge at edge of firebreak by Millard Canyon 610 Comment
  SD234294  Crepis acuminata R. G. Swinney 1998-9-7 6927 Los Angeles San Gabriel Mtns.: Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain. 2658 Comment
  POM50039  Cressa truxillensis A. D. E. Elmer 1902-07 3500 Los Angeles Lancaster Comment
  RSA0039068  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  SBBG18705  Cressa truxillensis E. R. Blakley 1963-4-7 5503 Los Angeles Little Harbor 15 Comment
  CAS-BOT-BC175832  Crossosoma californicum Carl B. Wolf 1932-5-9 3493 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due West of Pebbly Beach 304 Comment
  CAS-BOT-BC175837  Crossosoma californicum Alice Eastwood 1917-7-20 6503 Los Angeles Santa Catalina Island Comment
  RSA167826  Crossosoma californicum R. F. Thorne 1964-2-6 33297 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  RSA397735  Crossosoma californicum Blanche Trask 1901-06 2041 Los Angeles Santa Catalina Island Comment
  RSA640987  Crossosoma californicum R. F. Thorne 1975-3-22 45761 Los Angeles Santa Catalina Island: North slope of Blackjack Mountain, above Blackjack Camp. 518 Comment
  LA204932  Croton californicus A. M. Johnson; 1928-3-13 2856 Los Angeles Del Rey Hills Comment
  RSA480560  Croton californicus Florence Collins 1942-4-15 s.n. Los Angeles El Segundo. Comment
  RSA480562  Croton californicus G. R. Johnstone 1925-3-8 17842 Los Angeles Catalina Island Comment
  UC56933  Croton californicus E. B. Babcock Nov. 1902 Los Angeles near Pomona Comment
  SBBG112933  Croton setiger S. A. Junak with K. Kirkland 1997-11-15 SCa 484 Los Angeles 1 mi N of Cactus Pk, at E end of conspicuous limestone ridge 387 Comment
  UCD59834  Crypsis schoenoides Mike Grayum; Daryl Koutnik and Bill Balch 1977-11-20 855 Los Angeles San Fernando Valley, Big Tujunga Wash, behind Hansen Dam. 304 Comment
  UCR274876  Cryptantha R. G. Swinney 2010-3-24 12078 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
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Dec 7 2018
  SBBG133674  Cryptantha barbigera var. barbigera L. Gross, P. DeVries, O. Gasser 2015-4-7 6950 Los Angeles Arrastre Cyn, near Acton; started at the junction between Arrastre Cyn Rd and Moody Truck Trail; follow the crk and slope beyond where Moody Truck Trail crosses the crk, NE side slope only 807 Comment
  SBBG24804  Cryptantha circumscissa R. N. Philbrick 1965-5-20 B 65 -1179 Los Angeles S fork of Little Rock Crk 1066 Comment
  JEPS18519  Cryptantha clevelandii Rimo Bacigalupi with James Robert Sweeney 1957-5-12 5877 Los Angeles 0.25 mi above U.S. Army Nike launching site (on slopes above Las Flores Canyon); Santa Monica Mts. 274 Comment
  SBBG39455  Cryptantha clevelandii E. R. Blakley 1963-4-7 5502 Los Angeles Little Harbor 15 Comment
  JEPS85157  Cryptantha decipiens Roy E. Buck and Rexford Palmer 1989-4-28 1225 Los Angeles 1.1 air km ene Pyramid Rock summit (between Interstate 5 and Pyramid Dam, e of small draining canyon s of Posey Canyon, 22 air km nw of Castaic) 929 Comment
  RSA0002016  Cryptantha fulvocanescens var. fulvocanescens Anonymous s.n. Los Angeles Botanical Garden, UC Los Angeles Comment
  POM64236  Cryptantha intermedia C. F. Baker 1904-5-5 4769 Los Angeles Claremont Comment
  RSA0040378  Cryptantha intermedia R. G. Swinney 2010-5-11 12663 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  RSA0076021  Cryptantha intermedia R. G. Swinney 2010-4-1 12124 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA0089551  Cryptantha intermedia Dan S. Cooper 2015-3-18 315 -6 Los Angeles Los Angeles Basin/Western transverse Range: Eastern Santa Monica mtns/Hollywood Hills, at Hollywood Bowl. 155 Comment
  RSA747553  Cryptantha intermedia R. G. Swinney 2008-4-11 8667 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SD217245  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4382 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  UCR197234  Cryptantha intermedia Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 978 Los Angeles Verdugo Mountains, southwest side, north of Chandler Fire Road (Verdugo Mtwy), northwest of 'La Tuna,' above Chandler Canyon, south of La Tuna Canyon 457 Comment
  RSA499645  Cryptantha micrantha George B. Grant 1906-6-17 3187 Los Angeles Summit of Mt. Wilson. 1828 Comment
  UC1537677  Cryptantha micrantha Gordon H. True Jr. 1935-5-17 304 Los Angeles s of Littlerock 944 Comment
  RSA499691  Cryptantha muricata T. S. Clare 1929-3-3 s.n. Los Angeles Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA748916  Cryptantha muricata R. G. Swinney 2008-5-2 8727 -A Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UC1871313  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3914 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  UCR152655  Cryptantha muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR205194  Cryptantha muricata R. G. Swinney 2008-4-30 8708 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Monroe Canyon 549 Comment
  RSA0098765  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-6 14598 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  UCR273293  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  HSC87301  Cryptantha muricata var. muricata Steve Boyd, T. S. Elias 1987-4-14 2058 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., S of Rincon - Red Box Rd., N of Glendora Comment
  RSA0079277  Cryptantha muricata var. muricata Steve Boyd, Thomas Elias 1987-4-14 2041 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  UCR263278  Cryptantha muricata var. muricata Anuja Parikh, Nathan Gale 2012-5-9 3587 Los Angeles Transverse Range: San Gabriel Mountains, 0.8 km north of the West Fork San Gabriel River, 1.4 km east of Shortcut Canyon 1106 Comment
  RSA578721  Cryptantha similis T. S. Ross, J. M. Porter 1994-5-1 7570 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  RSA704348  Cryptantha similis Gary D. Wallace 1982-4-17 1916 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  UCR101258  Cryptantha simulans L. C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, south side of Devil's Cyn. 1402 Comment
  SDSU20082  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. 51 Comment
  RSA127938  Cucurbita foetidissima P. H. Raven, Henry J. Thompson 1959-10-14 s.n. Los Angeles Malibu Junction. 267 Comment
  RSA409678  Cuscuta californica T. S. Clare 1929-2-21 s.n. Los Angeles Santa Monica Canyon Comment
  POM305695  Cuscuta californica Henry J. Ramsey, Henry J. Ramsey 1937-8-29 971 Los Angeles Altadena. 396 Comment
  SD90524  Cuscuta californica var. californica Robert F. Thorne, J. Dourley 1967-10-10 37351 Los Angeles San Gabriel Mountains; Angeles National Forest; Blue Ridge. Comment
  UCR217705  Cuscuta campestris A. C. Sanders, Dan S. Cooper 2010-8-5 38533 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCD54442  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 12 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  RSA624370  Cuscuta occidentalis M. A. Piehl 1963-12-7 631057 Los Angeles San Clemente Island. Across SE tip from Pyramid Head and opposite triangulation point Rock. 9 Comment
  RSA773529  Cylindropuntia californica var. parkeri R. G. Swinney 2009-7-1 11297 Los Angeles San Gabriel River Wash, Azusa/Duarte border, 300 m north of Puente Largo railway bridge, west side of channel 184 Comment
  SBBG128301  Cynodon dactylon M. L. Hoefs 1991-4-8 1085 Los Angeles side cyn (Rattlesnake Cyn) of upper Avalon Cyn 146 Comment
  SD230110  Cyperus difformis Louis C. Wheeler 1946-9-8 6352 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 1/2 - 3/4 mile W. of Bear Creek. 518 Comment
  UCR209316  Cyperus eragrostis A. C. Sanders 2009-11-6 37222 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA365087  Cyperus esculentus Robert Gustafson 1981-7-15 2346 Los Angeles Ballona Wetlands, Area 2. Comment
  UC1563  Cyperus laevigatus W. H. Brewer 29 Los Angeles Los Angeles Comment
  CATA3057  Cyperus papyrus Vyki L. Englert 2011-3-10 029 Los Angeles Santa Catalina Island: In Middle Ranch drainage near bridge that crosses drainage by pumphouse, ca. 10 m from road 0 Comment
  RSA588044  Cystopteris fragilis Orlando Mistretta, Timothy S. Ross 1994-6-1 1301 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  RSA681150  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  SBBG19141  Dactylis glomerata M. A. Piehl 1963-12-8 631100 Los Angeles W border of loading area at airfield 51 Comment
  SBBG129301  Dactyloctenium aegyptium A. Parikh, N. Gale 2012-5-29 2160 Los Angeles Newhall Ranch, 1.7 km SW of intersection of Interstate 5 and Hwy 126, N side of Santa Susana Mtns 320 Comment
  JEPS45732  Datisca glomerata Frank W. Peirson 1918-7-13 122 Los Angeles Santa Anita Canyon; San Gabriel Mountains, Santa Anita Canyon 762 Comment
  RSA732782  Datisca glomerata R. G. Swinney 2000-6-25 7797 Los Angeles West tributary of San Antonio Canyon, between Evey and Spruce canyons. 939 Comment
  POM265696  Datisca glomerata J. C. Roos 1942-6-6 986 Los Angeles Placerita Canyon Comment
  RSA792232  Datura meteloides Doris Bowers 1957-8-8 s.n. Los Angeles LaVerne. 335 Comment
  POM246436  Daucus pusillus F. R. Fosberg 1931-4-10 S- 4531 Los Angeles Avalon Canyon, Santa Catalina Island. 150 Comment
  RSA616156  Daucus pusillus Valerie L. Soza 1998-5-3 90 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  RSA714875  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA80390  Daucus pusillus F. W. Peirson 1919-6-7 500 Los Angeles Cow Canyon divide, San Antonio Creek Region 1372 Comment
  SD28065  Daucus pusillus Carl B. Wolf 1932-5-10 3526 Los Angeles Santa Catalina Island; along the equestrian trail, back of Avalon. 259 Comment
  UCR190439  Daucus pusillus R. G. Swinney 2000-5-10 7677 Los Angeles San Gabriel Mtns., San Gabriel River bottom, c. 600 m NE of confluence with Fish Canyon between bike path and river bottom 220 Comment
  LA203721  Deinandra clementina Jonathan Sauer; D. Johnson 1969-5-10 4487 Los Angeles San Clemente Island, central west coast N of Eel Point Comment
  UC1211125  Deinandra clementina Huron H. Smith 1912-5-31 5048 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  UC1594389  Deinandra clementina Tim Ross and Elizabeth Kellogg 1992-4-13 6144 Los Angeles coastal terrace in vicinity of Darter (nw part of island, (340 degrees nnw, 1140 m distant from 199'BM near Flasher, ca 250 m nnw of the shifting sands)); San Clemente Island 18 Comment
  CAS-BOT-BC299303  Deinandra fasciculata Le Roy Abrams 1900-8-1 859 Los Angeles Monrovia Comment
  CHSC95457  Delairea odorata LeRoy Gross 2001-12-9 459 Los Angeles Transverse Ranges: San Gabriel Mountains: Big Santa Anita Canyon; ca. 1/4 mile down from the tributary of Winter Creek, east of Chantry Flat. 518 Comment
  IRVC26213  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 Los Angeles around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon Santa Susana Mountains, Western Transverse Range 1037 Comment
  SD233915  Delphinium cardinale A. C. Sanders 2003-5-26 26840 Los Angeles San Gabriel Valley: long abandoned gravel pit on boudary 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 (Asuza 7.5' q) 170 Comment
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  POM220085  Delphinium parryi F. R. Fosberg 1932-5-6 8130 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 50 Comment
  UC2029978  Delphinium patens Orlando Mistretta 1993-6-2 845 Los Angeles SAN GABRIEL MOUNTAINS: Vicinity of Mt. Baden Powell. Near vincent Gap; north slope of Mt. Baden Powell above Vincent Gulch. Comment
  SBBG129321  Delphinium patens subsp. montanum A. Parikh, N. Gale 2012-5-2 3579 Los Angeles W Fork San Gabriel River, 0.8 km E of Cogswell Dam 660 Comment
  RSA783868  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 D Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  RSA544559  Delphinium variegatum subsp. thornei Tim S. Ross, Kellogg 1992-4-11 6107 Los Angeles San Clemente Island: west fork of China Canyon; 157 SSE from 1583' BM, 425m distant 396 Comment
  RSA607926  Dendromecon rigida Louis C. Wheeler 1961-6-13 7879 Los Angeles Pacoima Canyon near Dutch Louie Camp. 716 Comment
  RSA0034891  Dendromecon rigida Carol Haines 1964-3-15 59 Los Angeles Fernwood Pacific, Topanga, Santa Monica Mts. 426 Comment
  RSA0073304  Dendromecon rigida Bonnie C. Templeton 1932-6-1 4866 Los Angeles Lone Pine Canyon, Swarthout Valley, San Gabriel Mts. Comment
  RSA5300  Dendromecon rigida subsp. rhamnoides Carl B. Wolf 1932-10-5 4226 Los Angeles Santa Catalina Island. 1/3 mile from Black Jack Mine on road to Middle Ranch 457 Comment
  SEINET7063083  Descurainia pinnata A. G. Vestal 1963-5-22 s.n. Los Angeles In the San Gabriel Mountains southeast of Palmdale. UTM Zone 11, 400840mE, 3822562mN. (WGS84/NAD83). 876 Comment
  RSA0056486  Descurainia pinnata subsp. glabra Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  CATA1619  Desmazeria rigida Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2892 Los Angeles Santa Catalina Island: Upper Avalon Canyon, by road above Wrigley Memorial 213 Comment
  SBBG31100  Desmazeria rigida R. F. Thorne with M. Z. Thorne 1966-4-30 36413 Los Angeles Fern Cyn near stream W of Orizaba Mtn 228 Comment
  RSA0053868  Dicentra chrysantha R. G. Swinney 2010-4-20 12296 Los Angeles San Gabriel Mountains; Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0080436  Dicentra chrysantha R. G. Swinney 2010-9-9 13781 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR48852  Dicentra chrysantha Steve Morgan 1974-5-17 142 Los Angeles San Gabriel Mtns., Big Tujunga Canyon, 0.5 mi. east of Big Tujunga Canyon Road, at a point 10.9 mi. north of Mt. Gleason Ave. 701 Comment
  SFV686  Dichelostemma capitatum C. Gasser 1956-3-3 s. n. Los Angeles Santa Monica Mountains One-third mile from Highway 101 on Malibu Canyon Road. 610 Comment
  RSA652064  Dichelostemma capitatum subsp. capitatum Shlomo Gat 1959-4-2 9 Los Angeles Kellogg Hill [Pomona] Comment
  RSA599220  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Brown School for Girls, northwest of Glendora. 358 Comment
  SD84774  Dichelostemma capitatum subsp. capitatum Reid Moran 1941-2-17 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island. 500 Comment
  SEINET8044070 Image available Dimorphotheca sinuata R. G. Swinney 2010-1 11886 Los Angeles San Gabriel Mountains: Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CAS-BOT-BC150670  Diplacus longiflorus Carl B. Wolf 1928-5-11 2182 Los Angeles So. base of Newhall Grade Comment
  SEINET3128946  Distichlis spicata G. B. Grant 1904-6-5 289 Los Angeles Redondo Comment
  RSA233720  Draba corrugata var. corrugata R. F. Thorne, Larry E. DeBuhr 1972-8-18 42256 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E from peak of Mt. Islip 2407 Comment
  CAS-BOT-BC41603  Draba corrugata var. corrugata R. J. Dobbs 1924-7-18 2921 Los Angeles Near top of Mount Islip. 2511 Comment
  CAS-BOT-BC157700  Drymocallis glandulosa var. glandulosa Alice Eastwood 1919-5-29 8992 Los Angeles San Gabriel Canyon Comment
  RSA587247  Drymocallis glandulosa var. glandulosa Orlando Mistretta 1994-5-13 1196 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA729699  Drymocallis glandulosa var. reflexa R. G. Swinney 1998-8-31 6873 Los Angeles San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy. 2378 Comment
  RSA0016411  Drymocallis glandulosa var. reflexa Orlando Mistretta, Christine Mistretta 2011-6-23 5737 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  UC212528  Drymocallis glandulosa var. viscida I. Johnston 1917-7-3 1410 Los Angeles Upper San Antonio Canyon 2286 Comment
  RSA0048062  Dudleya anomala E. K. Balls 1953-6-13 18331 Los Angeles Grown in Rancho Santa Ana Botanic Garden under propagation No. 4195 from plants collected by Reid Moran (#885), on north Coronado Island, Mexico. Comment
  UCR269927  Dudleya cymosa R. G. Swinney 2010-6-1 13108 Los Angeles San Gabriel Mountains, lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy 1098 Comment
  UCR238632  Dudleya cymosa subsp. crebrifolia Anuja Parikh, Nathan Gale 2010-6-28 3368 Los Angeles Transverse Range; San Gabriel Mtns., upper Sawpit Canyon, 0.1 km SW of White Saddle, 1.4 km NW of Mount Bliss 975 Comment
  SD111582  Dudleya cymosa subsp. pumila Wayne P. Armstrong 1982-6-28 Los Angeles Highway 2, Angeles Crest Highway, 1.0 mile east of Vincent Gap. 2135 Comment
  UC933295  Dudleya cymosa subsp. pumila Reid Moran 1946-5-30 2064 Los Angeles 2 mi above Coldbrook Guard Station (Soldier Canyon) 1158 Comment
  RSA423523  Dudleya densiflora B. C. Templeton 1936-5-18 5660 Los Angeles San Gabriel Canyon. 366 Comment
  SD207024  Dudleya lurida Reid Moran 1944-6-15 1894 Los Angeles Triunfo Canyon; Sierra Santa Monica. On bare rock at loop in road. 359 Comment
  RSA534027  Dudleya virens T. S. Ross 1991-5-19 5281 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  CAS-BOT-BC109735  Dudleya virens subsp. hassei C. B. Wolf 1932-5-14 3628 Los Angeles Facing Pebbly Beach Santa Catalina Island. Comment
  RSA7710  Dudleya virens subsp. hassei C. B. Wolf 1932-5-14 1497 Los Angeles Between Avalon and Pebbly Beach, Santa Catalina Island. 30 Comment
  SFV12546  Dysphania pumilio M. H. Grayum, D. L. Koutnik, B. Balch 1977-11-20 860 Los Angeles San Fernando Valley Big Tujunga Wash. Just behind Hansen Dam. 305 Comment
  CAS-BOT-BC197142  Echinochloa crus-galli Louis C. Wheeler 1933-12-24 2341 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 426 Comment
  RSA594581  Echinochloa crus-galli L. C. Wheeler 1966-9-21 8898 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
  UC1870180  Echium candicans LeRoy Gross 2004-3-19 1211 Los Angeles Transverse Ranges; Verdugo Mountains region; San Rafael Hills: North section of hills; Gate # 4 Along Ridge Motorway (dirt road) at corner of Camino San Rafael and Flintridge drive. Near 34.18091N, 118.21176W. 502 Comment
  UCR204567  Eleocharis montevidensis R. G. Swinney 2005-8-5 8384 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  POM123248  Eleocharis montevidensis var. montevidensis H. E. Hasse 1890-07 s.n. Los Angeles Bog. [Los Angeles Basin?] Comment
  RSA0084179  Eleocharis palustris Scott D. White 1998-5-22 6558 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA712179  Eleocharis palustris A. C. Sanders 2005-5-5 29938 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, SW end of Cruzan Mesa at site of former dairy, east of Bench Mark Plum 655 Comment
  LA202621  Eleocharis parishii Arthur C. Gibson; 2006-9-4 5136 Los Angeles Simi Hills, NW corner of Roscoe Blvd and Valley Circle Blvd, about 200 m from the SW edge of Chatsworth Reservoir property Comment
  UCR259192  Eleocharis parishii Mitch Provance, Callen Huff 2009-4-29 10695 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA750834  Eleusine indica R. G. Swinney 2005-8-8 8398 Los Angeles Glendora, Morgan Canyon Debris basin 335 Comment
  UCR223548  Elymus elymoides R. G. Swinney 2009-6-24 11234 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  SEINET10564688  Elymus elymoides Adolph D. E. Elmer Elmer 4166 Los Angeles Acton. Comment
  CAS-BOT-BC207176  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8660 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  RSA747975  Elymus glaucus R. G. Swinney 2001-8-27 8116 Los Angeles San Gabriel Mtns.: Windy Spring, 0.3 mi. NW of Little Jimmy Campground. 2256 Comment
  CAS-BOT-BC206758  Elymus glaucus subsp. glaucus I. M. Johnston 1917-6-15 1296 Los Angeles San Antonio Canyon (Spring Hill) - San Antonio Mountains 1295 Comment
  RSA586030  Elymus glaucus subsp. glaucus Orlando Mistretta 1995-7-12 1923 Los Angeles San Gabriel Mountains: Little Rock Creek Confluence on Little Rock Creek and South Fork fo Little Rock Creek. 1220 Comment
  POM185013  Elymus glaucus subsp. virescens Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  CAS-BOT-BC234098  Elymus multisetus A. D. E. Elmer 1902-6-1 3644 Los Angeles Acton, Mt. Gleason Comment
  UCR193710  Elymus stebbinsii R. G. Swinney, Dave Larson 1999-5-29 7211 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with Wolfskill Canyon 537 Comment
  SEINET6654717  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, O.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road.; 0 1216 Comment
  RSA0045219  Emmenanthe penduliflora R. G. Swinney 2010-5-11 12654 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  UCR219428  Emmenanthe penduliflora R. G. Swinney 2009-3-31 10228 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCR259915  Emmenanthe penduliflora R. G. Swinney 2010-3-16 11944 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  RSA300469  Encelia actoni John Dourley, Walter Wisura 1982-6-16 3832 Los Angeles Slopes above Little Rock forest station Comment
  SBBG8067  Encelia actoni H. and M. Dearing 1940-4-29 4250 Los Angeles Mint Cyn, near Acton Comment
  UC1118042  Encelia actoni A. Lewis 1934-2-1 287 Los Angeles mouth of Tick Canyon; San Fernando Quadrangle, Tick Canyon 533 Comment
  UC129021  Encelia actoni H. M. Hall and H. P. Chandler 1906-6-12 7402 Los Angeles San Francisquito Canyon Southern California Deserts, San Francisquito Canyon 548 Comment
  CAS-BOT-BC131206  Encelia californica Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Isl. Comment
  RSA599178  Encelia californica Scott D. White 1997-3-12 4766 Los Angeles NW of Zuma Beach, Encinal Canyon Rd. between Pacific Coast Hwy and Mulholland Hwy. 305 Comment
  SD31208  Encelia californica Edith A. Purer 1931-3-26 Los Angeles Palos Verdes Hills. Comment
  SD92015  Encelia californica Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-24 22698 Los Angeles San Clemente Island 110 Comment
  UC1302369  Encelia californica Robert F. Thorne and P. Everett 1964-2-6 33283 Los Angeles w of Catalina Harbor (at Isthmus); Santa Catalina Island 7 Comment
  RSA612105  Endolepis covillei Steve Boyd, Kent Hughes 1998-5-5 10184 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  CHSC14157  Enemion occidentale L. M. Mayer; I. J. Mayer 1974-4-10 159 Los Angeles 1 mi e of Bouquet Canyon Rd. on Sierra Pelona Rd. up 50 yds. along streambed. Comment
  SBBG7  Ephedra nevadensis R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  UCR153371  Ephedra viridis L. C. Wheeler 1967-5-31 9800 Los Angeles Transverse Ranges: San Gabriel Mountains region, San Gabriel Mtns: Sycamore Flat Campground, Big Rock Creek Comment
  UC1083313  Ephedra viridis Herbert L. Mason 1926-4-26 2960 Los Angeles 4 mi w of Sanger Comment
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Jul 31 2014
  SD69371  Epilobium canum subsp. canum Robert F. Thorne 1966-9-14 Los Angeles Santa Catalina Island: Grassy, weedy flat area behind dunes and salina at Little Harbor 4 Comment
  LA206139  Epilobium canum subsp. latifolium F. R. Fosberg; Joseph Andorfer Ewan 1931-8-11 4986 Los Angeles San Gabriel Mountains, Islip Trail, S slope Mount Hawkins 2194 Comment
  UCR256469  Epilobium ciliatum R. G. Swinney 2010-9-9 13774 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
  RSA0050042  Epilobium ciliatum Wendy Boes, Andrew Wheeler 2009-7-13 2009 -052 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.3 1981 Comment
  RSA587458  Epilobium ciliatum subsp. ciliatum Orlando Mistretta 1995-4-11 1618 -A Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA660627  Epilobium ciliatum subsp. ciliatum Matt Bogdanoff 1981-5-24 16 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  RSA733174  Epilobium ciliatum subsp. ciliatum R. G. Swinney 1998-8-5 6663 Los Angeles San Gabriel Mtns.: upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch. 1235 Comment
  RSA607565  Epipactis gigantea Louis C. Wheeler 1964-6-10 8482 Los Angeles San Gabriel Mountains: North Fork San Gabriel River, Yucca Flat near Falling Springs between Coldbrook and Pine Flats. Comment
  RSA0051507  Epiphyllum Carol Haines 1964-5-18 s.n. Los Angeles Artique Road, Topanga, Santa Monica Mountains. 289 Comment
  CAS-BOT-BC57177  Equisetum hyemale subsp. affine Louis C. Wheeler 1931-9-27 161 Los Angeles San Dimas Canyon, San Gabriel Mts. 685 Comment
  LA94913  Equisetum hyemale subsp. affine Lawrence L. Kiefer; 1966-3-26 1769 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca. 1 mi. from mouth. 60 Comment
  RSA684613  Equisetum laevigatum F. R. Fosberg 1931-8-15 R- 116 Los Angeles Big Cienega, Pine Flats, North Fork, San Gabriel River 2000 Comment
  SBBG77009  Equisetum telmateia subsp. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  SD81984  Equisetum telmateia subsp. braunii J. Ewan 1931-10-24 Los Angeles Santa Monica Mountains, I(c) mile below Seminole Hot Springs Comment
  POM182468  Equisetum telmateia var. braunii F. G. Floyd 1931-4-14 s.n. Los Angeles Wet shady streamlet. Only two sterile stalks. Clamshell Canyon. San Gabriel Mtns. Angeles National Forest. Comment
  JEPS108294  Eremalche exilis David Gowen 2005-5-21 350 Los Angeles HWY 138 (West Ave. D) west of Lancaster. Road edge at the NW corner of the intersection with 30th St. West. Comment
  SEINET8409243  Eremogone macradenia R. F. Thorne, M. Z. Thorne 1969-7-9 38497 Los Angeles San Gabriel Mts., Angeles National Forest; summit of Tabel Mt. 2134 Comment
  RSA0111906  Eriastrum densifolium subsp. austromontanum S. Carlquist 1982-8-28 15798 Los Angeles Near diagonally tilted sandstone rocks of the Mormon Rocks area of Cajon Pass, near turnoff from Hwy. 15 to Wrightwood. Comment
  RSA0107791  Eriastrum densifolium subsp. elongatum Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  RSA469270  Eriastrum filifolium Blanche Trask 1901-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA0121267  Eriastrum filifolium E. A. Zumbro 1902-05 58 Los Angeles Downey. Comment
  UCR173879  Eriastrum sapphirinum Scott D. White, Michael Honer 2003-5-7 9226 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  UCR192816  Eriastrum sapphirinum Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  RSA0121288  Eriastrum sapphirinum subsp. dasyanthum B. C. Templeton 1935-6-23 4789 Los Angeles Azusa. Comment
  JEPS19264  Ericameria cooperi var. cooperi F. W. Peirson 1919-5-10 411 Los Angeles Arrastre Canyon, n side of San Gabriel Mts. San Gabriel Mts. 838 Comment
  UC68938  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6312 Los Angeles near Kern Co. line; Tejon Pass 1219 Comment
  UC68939  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6258 Los Angeles Elizabeth Lake Comment
  RSA597015  Ericameria cuneata var. cuneata Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3812 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  RSA602397  Ericameria cuneata var. cuneata L. C. Wheeler 1946-10-26 6391 Los Angeles San Gabriel Mountains: West Fork San Gabriel Canyon; 0.1 mile west of confluence with North Fork. Comment
  CAS-BOT-BC287631  Ericameria linearifolia L. R. Abrams 1941-4-18 13872 Los Angeles State Highway 138, western end of Antelope Valley Comment
  RSA0070189  Ericameria linearifolia LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6953 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
  RSA599628  Ericameria linearifolia Steve Boyd, Lauren Raz 1997-4-16 9522 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SEINET7837778  Ericameria linearifolia Steve Boyd, Ross, Timothy 1997-3-21 9230 Los Angeles Liebre Mountains. Portal Ridge. Upper Broad Canyon ca 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A. Comment
  UCR197759  Ericameria linearifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 4 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  RSA91786  Ericameria linearifolia F. W. Peirson 1928-6-2 7945 Los Angeles on South Fork of Little Rock Creek, north slope of San Gabriel Mts. 1677 Comment
  UC205590  Ericameria nauseosa var. bernardina I. M. Johnston 1917-8-22 1652 Los Angeles San Antonio Mountains, Pine Mt. Ridge 2438 Comment
  UC590905  Ericameria nauseosa var. hololeuca F. R. Fosberg 1931-7-11 7057 Los Angeles near Reservoir Summit (Ridge Route, w Sierra Madre Mountains); Sierra Madre Mountains 1200 Comment
  CAS-BOT-BC299517  Ericameria palmeri var. pachylepis Peter H. Raven 1957-11-14 11405 Los Angeles U.C.L.A. campus, Los Angeles Comment
  JEPS19468  Ericameria palmeri var. pachylepis Peter H. Raven 1957-9-21 11340 Los Angeles near hill at nw end U.C.L.A. Campus Comment
  POM359432  Ericameria palmeri var. pachylepis George R. Johnstone 1931-10-24 14026 Los Angeles Santa Susanna Mts. 915 Comment
  RSA198822  Ericameria palmeri var. pachylepis R. F. Thorne, D. Propst 1968-5-27 37622 Los Angeles Santa Catalina Island: Skull Canyon betw Cap & Middle Canyons 244 Comment
  UC55084  Ericameria palmeri var. pachylepis Miss E. D. Palmer Los Angeles Los Angeles Comment
  RSA3305  Ericameria pinifolia C. B. Wolf 1931-10-20 2465 Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  UC134191  Ericameria pinifolia C. F. Baker 1903-10-1 4076 Los Angeles Claremont Comment
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Jan 16 2013
  RSA0001120  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA185389  Erigeron breweri var. covillei Clare B. Hardham 1959-6-16 4870 Los Angeles Between Pearblossom and Llano. Comment
  RSA532658  Erigeron foliosus var. foliosus Timothy S. Ross 1991-8-14 5768 Los Angeles Roundtop [Mtn], San Gabriel Mountains: 1707 Comment
  UCR126885  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26199 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA654191  Eriodictyon trichocalyx Marilyn Porter 1991-5-5 6 Los Angeles Upland at San Bernardino County line north from parking area at Shinn Road and Mount Baldy Road, followed abandoned road in flood plain. Start: (1/2) ? mile in. Stopped: (2)? miles. 670 Comment
  SBBG6092  Eriodictyon trichocalyx H. and M. Dearing 1941-5-11 4648 Los Angeles near Big Rock Crk Comment
  SEINET12279764  Eriodictyon trichocalyx H. W. Graham 1927-1 9- 9 -25 Los Angeles Mt. Lowe to observatory on Mt. Wilson, near Los Angeles Comment
  RSA783807  Eriogonum J. D. Olmsted 1959-4-25 487 Los Angeles 1 mile NNE of Valyermo P. O. along Holcomb ridge, east of Wrightwood-Pearblossom road; Mt. Range: San Gabriels; Drainage area: Big Rock Creek. 1082 Comment
  IRVC28169  Eriogonum angulosum June Latting 1976-10-6 s.n. Los Angeles Mountain foothills/Mojave Desert: Bob's Gap and Valyermo Road Transverse Ranges, San Gabriel Mountains 1250 Comment
  UCR95374  Eriogonum angulosum Steve Boyd, Lauren Raz 1996-10-8 9025 Los Angeles Liebre Mtns. region, Hills at E edge of Mint canyon, along Davenport Road, c. 0.45 mi east of jct with Sierra Hwy. 622 Comment
  RSA755727  Eriogonum baileyi R. G. Swinney 2008-10-7 9478 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA66483  Eriogonum brachyanthum F. W. Peirson 1928-9-4 8185 Los Angeles East of Palmdale. Comment
  RSA393136  Eriogonum cinereum Anstruther Davidson 1910-7-5 2498 Los Angeles Redondo bluffs. Comment
  RSA766379  Eriogonum cinereum C. Epling 1931-5-2 5988 Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SD44652  Eriogonum cinereum D. F. Howe 1951-10-7 Los Angeles Las Flores Canyon, Santa Monica Mts. Comment
  UC77607  Eriogonum cinereum S. B. and W. F. Parish October, 1882 1604 Los Angeles bluffs along seacoast; Santa Monica Comment
  SBBG118694  Eriogonum cithariforme var. agninum O. Mistretta 1992-8-20 758 Los Angeles Mt Gleason, Tujunga Ranger District, Gleason Management Unit Comment
  SBBG126945  Eriogonum davidsonii A. Parikh, N. Gale 2011-6-17 3481 Los Angeles Aliso Cyn, just W of Angeles Forest Hwy, 0.5 km S of Aliso Cyn Rd; San Gabriel Mtns 1285 Comment
  RSA766329  Eriogonum davidsonii F. R. Fosberg, Joseph A. Ewan 1931-8-10 s.n. Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA393491  Eriogonum elongatum var. elongatum H. E. Hasse 1893-08 s.n. Los Angeles Acton. Comment
  RSA48104  Eriogonum elongatum var. elongatum I. M. Johnston 1924-8-13 s.n. Los Angeles San Antonio Canyon at Spring Hill 915 Comment
  UCR271198  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-1 15944 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  PASA1468  Eriogonum fasciculatum Ruth M. Evans 1932-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA393518  Eriogonum fasciculatum Ora M. Clark 1928-12-2 1319 Los Angeles N.E of Hollywood. Comment
  UC1211168  Eriogonum fasciculatum var. fasciculatum Huron H. Smith 1912-4-27 4851 Los Angeles Cahuenga Pass 274 Comment
  CAS-BOT-BC253258  Eriogonum fasciculatum var. foliolosum Timothy S. Ross; Steve Boyd 1994-9-20 8228 Los Angeles Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road, Liebre Mountains 902 Comment
  LA82477  Eriogonum fasciculatum var. foliolosum O. H. Kappler; 1940-6-9 44 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  POM156527  Eriogonum fasciculatum var. foliolosum L. R. Abrams 1902-7-3 2643 Los Angeles San Gabriel Mountains Comment
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Dec 23 2014
  RSA393445  Eriogonum fasciculatum var. foliolosum G. R. Johnstone 1930-6-22 s.n. Los Angeles Near Ravenna; Soledad Canyon. Comment
  RSA754144  Eriogonum fasciculatum var. foliolosum Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1836 Los Angeles San Gabriel River near Rincon Ranger Station 450 Comment
  RSA393459  Eriogonum fasciculatum var. polifolium F. R. Fosberg 1931-8-10 S- 5640 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  UCSB1478  Eriogonum fasciculatum var. polifolium Ralph, F. 1959-5-15 Los Angeles Mint Canyon at campground along U.S. 6; 7.9 miles north of jct. with Soledad Canyon Rd 457 Comment
  CAS-BOT-BC250292  Eriogonum giganteum var. giganteum Timothy S. Ross; Annette H. Ross 1991-6-3 5548 Los Angeles San Jose Hills: west edge of California State Polytechnic University, Pomona 280 Comment
  CAS-BOT-BC250297  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 s.n. Los Angeles Santa Catalina Island, off southern California Comment
  CAS-BOT-BC250302  Eriogonum giganteum var. giganteum Dr. H. E. Hasse 1888-7-15 s.n. Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC250307  Eriogonum giganteum var. giganteum Robert F. Thorne 1967-5-19 36895 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon below Eagle's Nest 91 Comment
  RSA393377  Eriogonum giganteum var. giganteum M. B. Dunkle 1928-5-27 1972 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
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Jun 5 2014
  RSA5989B  Eriogonum giganteum var. giganteum Carl B. Wolf 1932-10-4 4226 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  CAS-BOT-BC253448  Eriogonum gracile Carl B. Wolf 1932-9-15 4083 Los Angeles 9 1/2 mi. above Saugus, opposite Glenwood's Cafe on Highway, Mint Canyon 457 Comment
  SBBG62114  Eriogonum gracile R. Hoffmann 1927-9-21 Los Angeles 5 mi S of Sandberg's Comment
  POM187775  Eriogonum gracile var. gracile Thos. Craig 1933-10-9 2006 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  RSA430476  Eriogonum gracile var. gracile A. C. Sanders 1987-9-28 7397 Los Angeles El Segundo Dunes, W of Los Angeles Int. Airport and Pershing Dr. 38 Comment
  CAS-BOT-BC261174  Eriogonum heermannii var. heermannii Dr. A. Davidson 1893-7-1 s.n. Los Angeles Rock Creek, Mojave Desert Comment
  LA602818  Eriogonum heermannii var. heermannii C. B. Wolf; 1932-10-21 4363 Los Angeles San Gabriel Mountains, 0.125 below Big Rock Ranger Station, Big Rock Creek 1066 Comment
  RSA766496  Eriogonum hirtiflorum Joseph A. Ewan 1932-6-12 7366 Los Angeles San Gabriel Mountains: 1/4 mi above North Fork Camp, N.F. Tujunga Creek 915 Comment
  RSA185245  Eriogonum kearneyi James L. Reveal, Caroline G. Reveal 1962-9-11 465 Los Angeles 4 miles W of the California Nevada border along Hwy 31 on the 'Pole Line Road'. 2134 Comment
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Nov 19 2013
  UCR281973  Eriogonum maculatum R. G. Swinney 2014-4-18 16113 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  SBBG64070  Eriogonum molestum Anstruther Davidson -Jul-1893 Los Angeles Wilson's Peak Comment
  UCR276873  Eriogonum nudum var. pubiflorum R. G. Swinney 2011-10-13 15787 Los Angeles San Gabriel Mountains, Chilao Flat, jct. of Chilao Flat Rd. (north entrance) & Silver Moccosin Trail 1582 Comment
  UC205959  Eriogonum parvifolium Geo. B. Grant 1902-7-2 1380 Los Angeles Santa Monica Comment
  UC635807  Eriogonum pusillum Herbert L. Mason 1926-4-26 3012 Los Angeles near Rock Creek; Mohave Desert Comment
  UCR193530  Eriogonum pusillum R. G. Swinney 1999-6-18 7295 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  CAS-BOT-BC267615  Eriogonum saxatile Geo. B. Grant 1906-6-19 6915 Los Angeles Summit Mt. Wilson 1828 Comment
  RSA164813  Eriogonum saxatile Wesley O. Griesel 1963-7-17 842 Los Angeles Devil's Backbone, San Gabriel Mts 2744 Comment
  RSA603588  Eriogonum saxatile Louis C. Wheeler 1948-6-13 6654 Los Angeles San Gabriel Mountains: 1/2 mile NE Hidden Springs, Mill Creek 1037 Comment
  POM2308  Eriogonum thurberi I. M. Johnston 1917-5-13 978 Los Angeles In San Gabriel Wash. 152 Comment
  CAS-BOT-BC263600  Eriogonum trichopes A. D. E. Elmer 1902-6-1 3642 Los Angeles Palmdale Comment
  CAS-BOT-BC268211  Eriogonum umbellatum var. munzii Dr. H. E. Hasse 1893-8-1 s.n. Los Angeles Acton Comment
  RSA755829  Eriogonum wrightii R. G. Swinney 2008-10-7 9482 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  UCR141371  Eriogonum wrightii var. subscaposum R. G. Swinney 1997-8-19 5820 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  UCR202928  Eriogonum wrightii var. subscaposum R. G. Swinney 2001-8-18 8065 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  RSA0095254  Eriophyllum confertiflorum R. G. Swinney 2011-5-6 14581 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA612041  Eriophyllum confertiflorum B. Campbell 1932-4-16 s.n. Los Angeles Santa Monica Mtns, Los Alisos Canyon Comment
  RSA651126  Eriophyllum confertiflorum A. E. Hersh 1950-7-9 s.n. Los Angeles Topanga Canyon about 2 miles from west end. 91 Comment
  RSA729858  Eriophyllum confertiflorum R. G. Swinney 1999-6-5 7250 Los Angeles San Gabriel Mtns.: east side of Big John Peak, west of Mescal Creek above Big John Flat. 1780 Comment
  UCD132101  Eriophyllum confertiflorum J. Sauer; W. Hansis 1975-5-3 5655 Los Angeles Tuna Canyon, western Santa Monica Mountains. Comment
  UCR119054  Eriophyllum confertiflorum Jeremiah George 2001-5-30 s.n. Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, mouth of Agua Amarga Canyon 15 Comment
  UCSB22091  Eriophyllum confertiflorum Wilken, Dieter 1967-7-15 Los Angeles Near summit of Mt. Gleason west of Mill Creek Summit, San Gabriel Mtns. 1981 Comment
  POM210097  Eriophyllum confertiflorum var. confertiflorum Victor Duran 1933-7-8 3502 Los Angeles Horse Flats, San Gabriel Mountains. 1676 Comment
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Aug 25 2014
  SBBG65680  Eriophyllum wallacei R. Hoffmann 1929-4-28 Los Angeles Harold, near Palmdale Comment
  RSA92539  Eriophyllum wallacei F. W. Peirson 1919-5-9 1391 Los Angeles San Gabriel Mountains. 838 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
  SBBG131983  Erodium cicutarium S. A. Junak 1990-11-9 SCI 139 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  SD237459  Erodium cicutarium R. G. Swinney 2009-4-28 10531 Los Angeles Transverse Range; San Gabriel Mountains: Summit of Mt Emma (Pacifico Mtn, 7.5'Q) 1584 Comment
  UCR123635  Erodium cicutarium Steven R. Hill, K. Kramer 2001-4-22 33350 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
  PASA668  Erodium macrophyllum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  PASA669  Erodium moschatum Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM2738  Erodium moschatum C. W. Emland 1919-04 s.n. Los Angeles Claremont. 366 Comment
  UCR223741  Erysimum capitatum R. G. Swinney 2009-6-24 11237 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  RSA592504  Erysimum cheiri Mark Hoefs 1973-3-17 130 Los Angeles Santa Catalina Island: Pebbly Beach Road, at first part of wide beach area 9 Comment
  RSA530230  Erysimum suffrutescens N. C. Cooper 1944-01 774 Los Angeles El Segundo Comment
  RSA530232  Erysimum suffrutescens Ora M. Clark 1928-12-23 1381 Los Angeles Hermosa Comment
  UC1614259  Eschscholzia Charles M. Belshaw 1935-3-29 Los Angeles ca. 20 mi. w. Lancaster (on s. face of La Liebre Scarp); w. antelope Valley, La Liebre Scarp Comment
  CAS-BOT-BC403188  Eschscholzia californica Timothy S. Ross; Steve Boyd 1994-5-11 7804 Los Angeles Liebre Mountains. Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground 1621 Comment
  RSA188115  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-22 34846 Los Angeles Santa Catalina Island: Renton Mine area. 244 Comment
  UCR126878  Eschscholzia californica A. C. Sanders 2003-4-29 26188 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  VVC3368  Eschscholzia californica Tim Thomas 1973-5-19 46 Los Angeles South Coast, San Fernando Valley, Encino, Oxnard St at White Oak. 221 Comment
  CAS-BOT-BC403163  Eschscholzia californica unspecified 1901-4-9 s.n. Los Angeles Avalon, Central Canon [Canyon] near pump, Santa Catalina Id. [Island] Comment
  CAS-BOT-BC83100  Eschscholzia minutiflora W. R. Ernst 1957-4-19 161 Los Angeles Along Highway 6, 2.9 miles north of junction with Angeles Crest Highway (2). Comment
  POM18237  Eschscholzia ramosa P. A. Munz 1923-4-11 6763 Los Angeles San Clemente Island, west coast below Hay Ranch Comment
  RSA0012597  Eucalyptus globulus Tim S. Ross, Annette Ross 1991-6-3 5556 -b Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  POM123379  Eucrypta chrysanthemifolia Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UC1584870  Eucrypta chrysanthemifolia var. chrysanthemifolia Tim Ross 1991-4-8 4470 Los Angeles Elephant Hill Pomona, San Dimas U.S.G.S. 7.5' quad. (w Pomona) 335 Comment
  UC535357  Eulobus californicus Ira W. Clokey, B. Templeton Apr. 1929 4459 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  UCR148842  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Big Santa Anita Canyon Comment
  SBBG108142  Euphorbia misera S. L. Crockett 1997-4-1 629 Los Angeles 0.3 mi WNW on Two Harbors Rd from jct with upper rd leading into Little Harbor cmpgrd 45 Comment
  SBBG36822  Euphorbia peplus S. A. Junak 1998-3-22 SCa 503 Los Angeles W side of Avalon Cyn Rd, just N of entrance to Wrigley Botanical Garden 106 Comment
  UCR95273  Euphorbia prostrata L. C. Wheeler 1970-8-8 s.n. Los Angeles City of Norwalk, Cerritos College, 11110 E. Alondra Blvd. 24 Comment
  SD69675  Euphorbia serpillifolia Robert F. Thorne, P. Everett 1965-6-23 34964 Los Angeles Santa Catalina Island Number 2 Reservoir upper part of Middle Ranch Canyon 299 Comment
  RSA433509B  Euphorbia spathulata Samuel R. Tyson 1942-5-7 s.n. Los Angeles San Dimas Canyon. 427 Comment
  CAS-BOT-BC458297  Euthamia occidentalis Peter H. Raven; Henry J. Thompson 1959-10-18 14658 Los Angeles Santa Monica Mountains, at mouth of Topanga Canyon 0000000000000000000000000000000000000 4 Comment
  UCR149513  Festuca arundinacea R. G. Swinney 1997-6-25 5637 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
  UCR178384  Festuca arundinacea LeRoy Gross, Michael Denslow 2003-6-4 990 Los Angeles Transverse Ranges; San Gabriel Mountains region, Islip Saddle parking lot, off Angeles Crest Highway and intersection with Highway 39, near trailheads for Mt. Williamson and South Fork Big Rock Creek 2012 Comment
  UCR177787  Festuca microstachys LeRoy Gross 2005-4-28 2167 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UCR265530  Festuca myuros Dan S. Cooper 2015-3-28 315- 31 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, just north of observatory 335 Comment
  UCR94665  Festuca myuros A. C. Sanders, E. J. Lott 1993-5-6 13966 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  SBBG31267  Festuca octoflora R. F. Thorne with P. C. Everett 1965-6-24 35026 Los Angeles Rancho Escondido, Escondido Cyn 213 Comment
  SBBG31344  Festuca perennis R. F. Thorne with P. C. Everett 1965-6-23 34985 Los Angeles near Hotel St. Catherine in Descanso Cyn 15 Comment
  RSA710281  Ficus benjamina A. C. Sanders, Lee Jones 2005-4-8 29366 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  CAS-BOT-BC500438  Ficus microcarpa R. E. Riefner, Jr. 2014-8-11 14 -287 Los Angeles City of Long Beach, Belmont Shores, N side of Ocean Blvd. between Quincy Ave. and Park Ave. 4 Comment
  CAS-BOT-BC500443  Ficus microcarpa R. E. Riefner, Jr. 2015-4-25 15 -129 Los Angeles City of Los Angeles, Mt. Washington, W side of North Figueroa St. at Woodside Dr. 140 Comment
  UCR206145  Ficus palmata R. G. Swinney 2008-5-30 8891 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  RSA393738  Filago gallica Earnest Baunton 1904-08 1148 Los Angeles Vacant lots and yards, School Ground. Comment
  RSA232664  Foeniculum vulgare Larry E. DeBuhr, Gary Wallace 1972-9-2 685 Los Angeles San Clemente Island, at the barracks area at Wilson Cove. Comment
  RSA453796  Foeniculum vulgare L. E. Hoffman 1932-8-16 s.n. Los Angeles Arroyo Seco, near Ave. 59. Pasadena. Comment
  CAS-BOT-BC53484  Frangula californica subsp. tomentella Timothy S. Ross; Steve Boyd 1994-9-21 8292 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  JEPS43922  Fraxinus dipetala Frank W. Peirson 1919-7-1 383 a Los Angeles Fish Canyon San Gabriel Mountains 609 Comment
  RSA464909  Fraxinus dipetala Albert J. Perkins 1914-5-2 s.n. Los Angeles Azusa to Rincon Trail. Comment
  SBBG126989  Fraxinus latifolia A. Parikh, N. Gale 2011-7-10 3551 Los Angeles West Fork San Gabriel River, 1.1 km W of St Hwy 39; San Gabriel Mtns 502 Comment
  RSA640808  Fritillaria biflora Louis C. Wheeler 1931-2-27 s.n. Los Angeles San Gabriel Mountains: San Dimas Canyon (M. S. R. ). Comment
  CAS-BOT-BC130252  Fritillaria biflora Dr. H. E. Hasse 1888-4-1 s.n. Los Angeles Cahuenga Pass near Los Angeles Comment
  RSA706911  Fritillaria biflora Gary D. Wallace 1985-3-3 2187 Los Angeles Near Ventura-Los Angeles county line, 1/4 mi. E of junction of Pacific View Dr. and Deer Creek Rd. 463 Comment
  POM294151  Galinsoga parviflora var. parviflora J. D. Laudermills 1944-9-10 s.n. Los Angeles Orchard near Claremont. Comment
  UCR276973  Galium andrewsii R. G. Swinney 2010-6-1 13144 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  JEPS7038  Galium andrewsii subsp. intermedium S. B. and W. F. Parish June 1887 1896 Los Angeles Elizabeth Lake Comment
  UCR270488  Galium angustifolium R. G. Swinney 2011-6-15 15172 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  JEPS56100  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-1-20 4169 Los Angeles State Hwy 23 ca 1 mi above jnct. with U.S. #1 (200 yd beyond second switchback); Santa Monica Mts., Decker Canyon (Los Alisos Canyon) Comment
  POM96972  Galium angustifolium subsp. angustifolium Philip A. Munz 1925-5-23 9433 Los Angeles San Gabriel Canyon. 488 Comment
  RSA756589  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-29 2558 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA660127  Galium angustifolium subsp. gabrielense Orlando Mistretta 1992-6-12 537 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SD230289  Galium angustifolium subsp. nudicaule V. W. Steinmann 1996-6-17 914 Los Angeles Boundary of Los Angeles and San Bernardino Cos; San Gabriel Mountains, ca. 1 km (by trail) north-northwest of Bear Flat, along Baldy Trail to Mt. San Antonio 2000 Comment
  LA33611  Galium aparine Peter H. Raven; 1959-4-4 13949 Los Angeles SANTA MONICA MOUNTAINS, Point Dume Natural Preserve, just E of Zuma Beach. 15 Comment
  RSA0021879  Galium aparine Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5109 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA177669  Galium aparine Robert F. Thorne, Percy C. Everett 1965-5-10 34487 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  UC1143140  Galium aparine A. D. Gifford 1935-3-17 494 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quadrangle 518 Comment
  RSA0016923  Galium aparine Richard Noyes, L. Arnseth 1988-4-30 555 Los Angeles Claremont. San Gabriel Mountains: Burbank Canyon, northwest of Thompson Creek Dam. 500 Comment
  RSA87439  Galium aparine F. W. Peirson 1923-4-8 3431 Los Angeles Wilson's Cove, San Clemente Island. Comment
  POM11692  Galium catalinense subsp. catalinense Katherine Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  RSA678817  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1293 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.7 miles from trailhead out of Chantry Flat area. 854 Comment
  RSA0017034  Galium grande F. W. Peirson 1919-4-15 s.n. Los Angeles Sierra Madre Trail above the Madronas 915 Comment
  RSA590471  Galium nuttallii subsp. insulare Tim S. Ross 1993-4-21 6831 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between ''Carlos'' (972ft) and Cactus Peak (1560ft). 320 Comment
  LA50670  Galium nuttallii subsp. nuttallii W. O. Griesel; 1936-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA799917  Galium nuttallii subsp. nuttallii Justin M. Wood 2009-3-20 379 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. west of entrance road. 390 Comment
  SEINET12285750  Galium stellatum J. F. Bright, Wyman, C. 1931-1 5584 Los Angeles back of Manhattan Beach Comment
  SDSU10622  Galvezia speciosa R. M. Beauchamp 1967-3-19 312 Los Angeles Behind (south of) Wilson Cove Pier. San Clemente Island. Comment
  UCR139267  Gamochaeta pensylvanica A. C. Sanders 2003-5-22 26832 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR163186  Gamochaeta pensylvanica Kathleen Stockwell 2003-6-11 s.n. Los Angeles San Gabriel Mtns, Palmer Canyon, Claremont, North Padua Ave, road to water tank at edge of bulldozed area, NNE of Padua Hills Theater 610 Comment
  UCR182266  Garrya veatchii R. G. Swinney, Dave Larson 1998-4-26 6031 Los Angeles San Gabriel Mtns., head of Dry Lake Canyon at 'Dry Lake', south of Sunset Peak 1521 Comment
  UCR3694  Garrya veatchii Frank C. Vasek 1963-8-16 630816- 01 Los Angeles San Gabriel Mtns, Cow Canyon Saddle 1402 Comment
  POM249877  Gaura odorata E. Johnson 1939-08 s.n. Los Angeles Nelson St. west of Sunset, La Puente. Comment
  UCR223236  Gayophytum R. G. Swinney 2009-5-27 10876 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA0096796  Gayophytum heterozygum R. G. Swinney 2011-10-10 15726 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  RSA771611  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth, John Dourley, R. Scoggin 1972-8-11 42202 Los Angeles Angeles National Forest; Along Angeles Crest Hwy near Three Points. 1829 Comment
  CAS-BOT-BC208062  Genista monspessulana Carl B. Wolf 1941-6-25 s.n. Los Angeles Santa Catalina Island. About 1 mi. NE. of Wrigley Mausoleum at head of Avalon Valley 121 Comment
  UCR131374  Geranium carolinianum Jeremiah George 2001-3-17 12 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rolling Hills, 5 Sagebrush Lane 305 Comment
  UCR6049  Geranium dissectum Dick Bernier 1966-4-2 s.n. Los Angeles Los Angeles Basin, up from 7th St. in the Puente Hills [along Hwy 60 between the San Jose Hills and the Chino Hills] 213 Comment
  RSA628581  Geranium rotundifolium Louis C. Wheeler 1967-7-18 10077 Los Angeles San Gabriel Mountains: Angeles National Forest: Gold Creek off Little Tujunga Canyon at Center Creek; Watts Ranch. 640 Comment
  RSA735915  Geranium rotundifolium Justin M. Wood 2008-5-31 9 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA0105762  Gilia R. G. Swinney 2011-6-7 15040 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
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Dec 7 2018
  UCR182383  Gilia R. G. Swinney 1997-7-22 5699 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA506805  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1967-5-12 9476 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  POM65654  Gilia angelensis C. F. Baker 1904-4-1 4112 Los Angeles Claremont. 365 Comment
  UC75275  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia Comment
  UCR219465  Gilia angelensis R. G. Swinney 2009-3-19 10148 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  UC54707  Gilia angelensis Ernest Braunton Feb. 1903 817 Los Angeles Elysian Hills Comment
  UCR281147  Gilia brecciarum R. G. Swinney 2014-4-30 16254 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA621045  Gilia brecciarum subsp. brecciarum J. Mark Porter 1998-4-27 11832 Los Angeles Antelope Valley: Hill N. of Saddleback Butte State Park (N. of Ave. J.) Comment
  SEINET4044463  Gilia capitata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Puerco Canyon. 152 Comment
  UCD117681  Gilia capitata subsp. abrotanifolia James Henrickson 1966-4-16 2237 Los Angeles Soledad Canyon, along Escondito Canyon Road, 1 mile NW of Highway 14. 883 Comment
Read comments
Jul 9 2014
  POM8769  Gilia capitata subsp. abrotanifolia P. A. Munz 1920-3-13 3308 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  RSA656169  Gilia capitata subsp. abrotanifolia Joseph M. Keefe 1977-6-11 22156 Los Angeles Verdugo Mountains: Trail to Water Caves, south fork of Engleheard Canyon, one km south of Camp Max Straus, Glendale. 427 Comment
  RSA0004781  Gilia inconspicua var. dentiflora Anstruther Davidson 1926-05 3617 Los Angeles Lancaster, Mohave Desert Comment
  UCD117774  Gilia latiflora Ira L. Wiggins 1966-4-24 20618 Los Angeles along E side of 145th Street E between Palmdale Boulevard and Avenue O, north of Pearblossom. Mohave Desert. Comment
  SBBG64376  Gilia latiflora subsp. davyi M. N. Ackley -Mar-1926 Los Angeles Del Sur Comment
  SBBG5867  Gilia latiflora subsp. latiflora H. and M. Dearing 1949-4-27 6759 Los Angeles Lancaster Comment
  RSA755979  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2008-4-12 2423 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA776552  Gilia modocensis Orlando Mistretta, Christine Mistretta 2010-6-14 5317 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  RSA534005  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5128 Los Angeles San Clemente Island: eastern escarpment, 1400 ft SSE of Jack (not Jack Point), and 1350 ft. NW of the mouth of Larkspur Canyon 144 Comment
  SD86337  Gilia nevinii R. Mitchel Beauchamp, M. Douglas 1972-3-24 3231 Los Angeles San Clemente Island. Grassy fields north of Nanny. 249 Comment
  UC494780  Gilia ochroleuca subsp. bizonata T. Craig 1928-4-28 1042 Los Angeles Big Rock Creek Road to Los Angeles County Playground; Big Rock Creek Road to Los Angeles County Playground Comment
  PASA716  Gilia tenuifolia Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  UCR136831  Gnaphalium californicum John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR38880  Gnaphalium californicum B. A. Prigge 1985-6-14 6395 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  UCR210526  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2008-12-6 9957 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39 256 Comment
  UCR271845  Gnaphalium palustre R. G. Swinney 2011-6-23 15284 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  POM358900  Gnaphalium palustre L. C. Wheeler 1934-3-31 2496 Los Angeles La Verne 305 Comment
  POM358902  Gnaphalium palustre F. R. Fosberg 1931-8-11 S- 5501 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  RSA604489  Gnaphalium palustre L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCR256205  Gnaphalium purpureum R. G. Swinney 2010-6-8 13221 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA779872  Gnaphalium stramineum R. G. Swinney 2009-4-7 10296 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR205530  Gnaphalium stramineum R. G. Swinney 2008-5-30 8889 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  NY232202  Godetia dudleyana L. Abrams 1903-7-1 2625 Los Angeles Wilson's Trail, near Santa Anita Canyon. 762.0 Comment
  CAS-BOT-BC108968  Goodmania luteola W. R. Dudley; F. H. Lamb 1896-6-4 4305 Los Angeles Lancaster. Comment
  CAS-BOT-BC110214  Grayia spinosa Timothy S. Ross; Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert. Northeast portion of the main buttes, +- west of Lovejoy Springs (destroyed by development). 941 Comment
  CAS-BOT-BC110271  Grayia spinosa Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster and Victorville. Comment
  OBI6972  Grayia spinosa Shirley Vaughan 1974-5-11 30 Los Angeles Found at 10th St E and Kettering St., Lancaster Comment
  RSA727377  Grayia spinosa R. G. Swinney 1998-5-16 6104 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, west of Mescal Highlands, Graham Canyon, 0.3 mi. N of Panorama Way at Graham Cyn. Motorway, 2.0 mi. S. of Ft. Tejon Rd. 1317 Comment
  UCR141463  Grayia spinosa June Latting 1973-4-29 s.n. Los Angeles Mojave Desert/Northern San Gabriel Mtns. Foothills, Crystalaire, Antelope Valley 1098 Comment
  RSA652949  Grindelia camporum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23268 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds. 610 Comment
  UC447142  Grindelia hirsutula J. Ewan 1931-5-11 4184 Los Angeles vacant lots at Bonnie Brae and Beverley; Los Angeles Comment
  UC10815  Guillenia lasiophylla unknown 1861-2-19 204 Los Angeles Santa Monica foothills Santa Monica Comment
  RSA158213  Guillenia lasiophylla P. H. Raven 1962-5-9 17679 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  RSA430024A  Guillenia lasiophylla Anstruther Davidson 1890-3-24 s.n. Los Angeles Foothills L.A. Comment
  SBBG113070  Harpagonella palmeri S. A. Junak with K. Kirkland 1998-4-30 SCa 573 Los Angeles extreme upper reaches of N fork of Descanso Cyn just downslope from Airport Rd 350 Comment
  SBBG113115  Harpagonella palmeri S. A. Junak with M. L. Hoefs, S. Crockett 1997-3-27 SCa 255 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  SD249143  Hazardia cana Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2199 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 182 Comment
  CAS-BOT-BC307288  Hazardia squarrosa var. grindelioides Alice Eastwood 1917-7-20 6444 Los Angeles Santa Catalina Island Comment
  CATA3446  Hedera helix Benjamin J. Dion, Tobias Nickel 2017-6-22 028 Los Angeles Santa Catalina Island: Interior; Haypress watershed in drainage below Haypress Reservoir and southeast of Hidden Lakes Reservoir 409 Comment
  UC1870225  Hedera helix LeRoy Gross 2003-2-22 744 Los Angeles Transverse Ranges; Verdugo Mountains region; South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. 287 Comment
  RSA607684  Helenium bigelovii Scott D. White 1997-6-29 5400 Los Angeles Mt. Baldy Village Area: San Antonio Canyon below San Antonio Falls, and along trail/road access rt. 1921 Comment
  UCR193595  Helenium bigelovii R. G. Swinney 1998-8-6 6705 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  RSA631353  Helenium bigelovii L. C. Wheeler 1967-9-5 10696 Los Angeles San Gabriel Mountains: Prairie Fork on road to Guffy Camp. 2194 Comment
  CAS-BOT-BC223975  Helianthemum scoparium Grant 1901-3-13 3487 Los Angeles Pasadena Comment
  RSA126678  Helianthemum scoparium var. vulgare P. H. Raven, Henry J. Thompson 1958-10-11 1750 Los Angeles near junction of Saddle Peak Road with Tuna Canyon Road Comment
  RSA441796  Helianthemum scoparium var. vulgare Wm. Martin 1971-8-25 s.n. Los Angeles On road to Saddle Peak, about 3/4 mile from junction of Malibu Canyon Road Comment
  CAS-BOT-BC305413  Helianthus annuus John Thomas Howell 1960-3-23 35144 Los Angeles Tujunga Wash Comment
  CAS-BOT-BC305429  Helianthus annuus Marcus E. Jones 1926-5-20 s.n. Los Angeles Mountains near Claremont Comment
  RSA763509  Helianthus annuus R. G. Swinney 2008-11-30 9884 Los Angeles Irwindale, San Gabriel River Channel within 70 m [north] of the 210 Fwy 165 Comment
  UC1069456  Helianthus annuus R. St. John 1933-3-24 355 Los Angeles Aliso Canyon Santa Susana Quad., Aliso Canyon 487 Comment
  CAS-BOT-BC305789  Helianthus nuttallii Oliver 1884-1-1 s.n. Los Angeles Cienega bet. Los Angeles & Sta. Monica Comment
  RSA250079  Heliotropium curassavicum R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42187 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  POM126524  Heliotropium curassavicum var. oculatum R. L. Pendleton 1909-7-6 s.n. Los Angeles Catalina Cove, Santa Catalina Island. Comment
  RSA223712  Heliotropium curassavicum var. oculatum E. C. Twisselmann 1970-9-8 17482 Los Angeles Antelope Valley, Avenue A 0.2 mile E of 30th Street west 732 Comment
  CATA2051  Helminthotheca echioides Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-7-16 Los Angeles Santa Catalina Island: Flats at Little Harbor Campground 6 Comment
  UC32398  Hemizonella minima J. Burtt Davy May 9 1896-May 24 1896 2462 Los Angeles Manzana Antelope Valley Comment
  POM360267  Hemizonia fasciculata P. A. Munz 1934-5-7 12937 Los Angeles Culver City. Comment
  UCR247922  Hemizonia kelloggii L. Cortez, Robert Arias 2011-8-16 PDR 1313940 Los Angeles Leona Valley, Elizabeth Lake Road near 90th Street Comment
  POM186715  Herissantia crispa Thomas Craig 1928-3-11 682 Los Angeles San Pedro Bay, 0.5 mile from shore Comment
  UCR154603  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato 2005-5-24 30274 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  SFV4904  Hesperolinon micranthum M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along Cold Creek Road just north of Monte Nido. 274 Comment
  RSA230201  Heterocodon rariflorum R. F. Thorne 1969-7-2 38224 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  RSA547455  Heterocodon rariflorum T. S. Ross, Orlando Mistretta 1992-7-24 6746 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA100336  Heterocodon rariflorum F. W. Peirson 1921-6-14 1210 Los Angeles Trail fork of San Gabriel River 990 Comment
  SEINET10460650  Heterocodon rariflorum Thorne 1971-6-30 THORNE 40828 A Los Angeles SAN GABRIEL MTS, LITTLE ROCK CR. 1.8 MI BELOW ALDER SADDLE 5100 Comment
  CAS-BOT-BC143697  Heteromeles arbutifolia R. M. Beauchamp 1967-1-29 159 Los Angeles San Clemente Island, behind Pyramid Cove Comment
  SBBG20513  Heteromeles arbutifolia E. R. Blakley 1963-12-8 6386 Los Angeles head of cyn above Mosquito Cove and between Triangulation Pts Malo and Chenity 304 Comment
  UC12319  Heteromeles arbutifolia J. H. Barber Jul 21 1897-Jan 1 1900 276 Los Angeles Santa Monica Forestry Station Comment
  UCR155605  Heteromeles arbutifolia A. C. Sanders 2005-5-11 30140 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR281647  Heteromeles arbutifolia R. G. Swinney 2014-5-27 16694 Los Angeles San Gabriel Mountains, Glendora, Glendora Peak, 0.74 miles ENE (34 deg. ) of Azusa Pk., south of Glendora Ridge Motorway 791 Comment
  UC1211083  Heterotheca grandiflora Huron H. Smith 1912-5-1 4883 Los Angeles Eagle Rock Valley 152 Comment
  UCR174982  Heterotheca grandiflora Holly Summers 2006-4-30 006 Los Angeles San Gabriel Mtns., hills northeast of Tujunga, foot of Bluegum Canyon, north side of Day St. between Leona Ave. an Haines Canyon Rd. 585 Comment
  RSA0074069  Heterotheca grandiflora L. C. Wheeler 1970-10-10 s.n. Los Angeles San Gabriel Valley, El Monte: Rio Hondo at Valley Boulevard. Comment
  RSA0074435  Heterotheca grandiflora K. Dobry 1991-5-13 501 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  CAS-BOT-BC311266  Heterotheca sessiliflora subsp. echioides 1896-4-17 88 Los Angeles Near San Antonio Schoolhouse Comment
  UC1595243  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3589 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  UC1971142  Heuchera caespitosa Scott D. White, D. E. Bramlet 1998-6-29 6806 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  UCR205710  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 116 Comment
  UC1971444  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. Comment
  RSA449774  Holodiscus discolor L. E. Hoffman 1929-4-13 s.n. Los Angeles Mt. Leukens [Lukens] Trail, Angeles National Forest. Comment
  RSA85264  Holodiscus discolor F. W. Peirson 75 Los Angeles Montana St. Pasadena Comment
  RSA640893  Hordeum depressum L. C. Wheeler 1967-8-2 10317 Los Angeles Angeles National Forest; Sulphur Spring 1585 Comment
  RSA251484  Hordeum intercedens R. F. Thorne 1973-4-11 42792 Los Angeles San Clemente Island: plateau in Middle Ranch area at head of Middle Ranch Canyon. 427 Comment
  CATA2206  Hordeum jubatum Sara L. Crockett 1997-2-24 75 Los Angeles Santa Catalina Island: Sol Vista housing development, WSW of corner of Beacon and Lower Terrace Streets 21 Comment
  RSA158316  Hordeum marinum subsp. gussoneanum P. H. Raven 1962-5-10 17725 Los Angeles Head of Horse Canyon, the large canyon west of Thirst; San Clemente Island 534 Comment
  SEINET176011 Image available Hordeum murinum M. E. Jones 1882-5-1 3562 Los Angeles Los Angeles Comment
  RSA599128  Hordeum murinum subsp. glaucum V. W. Steinmann 1996-3-30 821 Los Angeles Pomona, Elephant Hill, E-facing slope above and adj. to Mission Blvd. at a point 0.5km SW of Humane Way., 34?33'N, 117?47'30W 300 Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  UCR138515  Hordeum murinum subsp. leporinum L. C. Wheeler 1970-5-9 s.n. Los Angeles Los Angeles; Gladys Ave. at 9th Street. Comment
  CAS-BOT-BC273519  Hordeum vulgare Peter H. Raven 1959-5-3 14097 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Mulholland Drive at Laurel Pass 350 Comment
  CAS-BOT-BC532283  Horkelia cuneata var. puberula George B. Grant; Walter Wheeler 1904-5-7 599 Los Angeles Southern California, Glendora Comment
  RSA642284  Horkelia rydbergii Orlando Mistretta 1995-7-11 1871 Los Angeles San Gabriel Mountains: Head of Little Rock Creek ca. 1/2 mile downstream from Alder Saddle. 1509 Comment
  RSA233722  Hulsea heterochroma R. F. Thorne, Larry E. DeBuhr 1972-8-18 42250 Los Angeles San Gabriel Mts; Angeles National Forest: open peak of Mt. Islip 2515 Comment
  RSA585767  Hulsea vestita subsp. gabrielensis Orlando Mistretta 1995-7-11 1889 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA587384  Hymenoclea salsola var. salsola Orlando Mistretta 1992-5-8 282 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E of Little Rock Creek Reservoir 1067 Comment
  SDSU7723  Hypochaeris glabra Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2198 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.5 miles north of China Point. 183 Comment
  UCR50859  Hypochaeris glabra A. C. Sanders 1988-5-18 7823 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  POM294556  Hypochaeris glabra Lyman Benson 1947-5-12 12401 Los Angeles Claremont; Drainage Area: Pacific slope 351 Comment
  RSA527777  Hypochaeris glabra Steve Boyd, L. Arnseth 1990-4-8 4342 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA631386  Hypochaeris glabra Valerie L. Soza, LeRoy Gross 1999-5-11 464 Los Angeles San Gabriel Mountains: Foothills above San Dimas, between Sycamore and Ham Canyons, southeastern side of peak ''2397'', west of Sycamore Flat Motorway. 701 Comment
  UCR205712  Ipomoea cairica A. C. Sanders, T. B. Salvato 2009-5-21 36888 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  RSA704713  Isocoma menziesii Gary D. Wallace, C. Black, D. Cohen, R. Lavenburg 1983-6-29 2094 Los Angeles Santa Catalina Island: Twin Harbors area Marine Station. Comment
  RSA651864  Jasminum primulinum Tom Kawakami 1948-2-18 s.n. Los Angeles 601 Walnut, Monrovia. Comment
  CATA415  Jepsonia malvifolia Sara L. Crockett, Mark Hoefs, Steve Junak, Gary Allan 1996-10-31 552 Los Angeles Santa Catalina Island: Cape Canyon Reservoir 356 Comment
  POM19062  Jepsonia malvifolia P. A. Munz 1923-4-10 6725 -a Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  RSA0070364  Juglans californica R. G. Swinney 2010-4-20 12280 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA717702  Juglans californica Gary D. Wallace 1987-2-17 2642 Los Angeles Santa Monica Mountains: Coldwater Canyon Blvd. Comment
  SD38495  Juglans californica var. californica F. McCulloch 1931-3-15 Los Angeles Santa Susanna [Pass? possibly Ventura Co. but LA more likely] Comment
Read comments
Jul 11 2010
  UC535352  Juglans californica var. californica Ira W. Clokey, B. Templeton Apr. 1929 4465 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  CATA759  Juncus acutus subsp. leopoldii Mark L. Hoefs 1991-5-22 1291 Los Angeles Santa Catalina Island: Near road to Two Harbors in canyon southeast of Little Harbor 54 Comment
  RSA717303  Juncus arcticus var. mexicanus Scott D. White, Pam DeVries 2006-5-9 11410 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC1147892  Juncus bufonius Robert F. Thorne 1966-4-6 35901 Los Angeles n of Catalina Airport; Santa Catalina Island 435 Comment
  UCR210121  Juncus bufonius R. G. Swinney 2008-7-24 9338 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  SBBG12065  Juncus bufonius P. H. Raven 1962-5-8 17594 Los Angeles near mouth of cyn at S end of Seal Cove 9 Comment
  POM209901  Juncus covillei Victor Duran 1933-7-22 3526 Los Angeles Buckhorn, San Gabriel Mountains 1981 Comment
  UCR209643  Juncus duranii R. G. Swinney 2008-7-2 9118 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  RSA0013630  Juncus macrophyllus Orlando Mistretta, Youssef Atallah 2011-8-16 6051 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA748327  Juncus macrophyllus R. G. Swinney 2005-8-9 8420 -B Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR191279  Juncus macrophyllus R. G. Swinney 1999-6-30 7479 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.3 mi. north of Big Pines Hwy at All Nations Camp 1561 Comment
  POM6449  Juncus mexicanus L. T. Street, G. Williams 1919-5-10 2712 Los Angeles San Gabriel River near Bassett. 90 Comment
  RSA368235  Juncus mexicanus Anstruther Davidson 1923-9-1 s.n. Los Angeles Los Angeles River. Comment
  JEPS67037  Juncus nevadensis Frank W. Peirson 1922-7-7 3174 Los Angeles Ranger's Cabin San Gabriel Mountains, Swartout Valley 1798 Comment
  RSA368292  Juncus oxymeris L. C. Wheeler 1934-5-14 2590 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  SDSU19666  Juncus patens Michael G. Simpson, Adrienne Russell, Jonathan Dunn 2000-7-20 2194 Los Angeles San Clemente Island, Horse Beach Canyon, ca. 2.3 miles north of China Point. 183 Comment
  RSA0074216  Juncus phaeocephalus var. paniculatus Anstruther Davidson 1900-1 1795 Los Angeles L. A. River, Los Angeles. Comment
  UCR125174  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR223730  Juncus rugulosus R. G. Swinney 2009-6-12 11137 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA368198  Juncus rugulosus Anstruther Davidson 1894-1 s.n. Los Angeles Vernon: Los Angeles River. Comment
  RSA188245  Juncus textilis Robert F. Thorne, Percy C. Everett 1965-6-23 34962 Los Angeles Santa Catalina Island: lower portion of Middle Ranch Canyon. 152 Comment
  RSA700318  Juncus torreyi A. C. Sanders, Mark A. Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  RSA368290  Juncus xiphioides Samuel R. Tyson 1942-6-26 s.n. Los Angeles San Dimas Canyon 823 Comment
  POM50600  Juniperus californica Eugene Wells 1903-11-27 s.n. Los Angeles Near Lancaster. Comment
  SEINET13289844 Image available Juniperus californica Unknown 1902-1 Los Angeles Palmdale Comment
  CAS-BOT-BC235528  Keckiella antirrhinoides var. antirrhinoides Antone Blazic 1923-4-5 12 Los Angeles Los Angeles Comment
  CAS-BOT-BC235736  Keckiella cordifolia Elmer I. Applegate 1927-2-12 4983 Los Angeles Mandeville Canyon, Santa Monica hills Comment
  CAS-BOT-BC235761  Keckiella cordifolia F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  SBBG105477  Keckiella cordifolia F. R. Fosberg 1931-3-27 4400 Los Angeles Hamilton Cyn, on North Wall 50 Comment
  SFV16659  Keckiella cordifolia K. Sheffron, T. Rossberger 1994-5-19 40 Los Angeles San Gabriel Mountains Saugus. Along Dry Gulch Road between San Francisquito Canyon Road and Lake Hughes Road. Comment
  RSA773677  Koeleria macrantha R. G. Swinney 2009-6-3 11046 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA249808  Krascheninnikovia lanata R. F. Thorne, Gary D. Wallace 1973-4-25 43397 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  RSA776324  Krascheninnikovia lanata R. G. Swinney 2009-4-29 10606 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  SFV1093  Krascheninnikovia lanata K. A. Wilson 1962-5-12 1273 Los Angeles Mojave Desert Antelope Valley. Valyermo Road, 2 miles southeast of 131st St. East in Pearblossom. 1070 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
  UCR203228  Lactuca serriola R. G. Swinney 2005-7-21 8317 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  IRVC29659  Lagophylla ramosissima Mark A. Elvin 2003-6-12 2946 Los Angeles Newhall Ranch, S of Magic Mountain Amusement Park, W of The Old Road Santa Clarita Valley 366 Comment
  CAS-BOT-BC341489  Lagophylla ramosissima Tim Ross 1992-6-15 6582 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): knoll at the head of the S fork of Sycamore Canyon 371 Comment
  RSA177701  Lamarckia aurea R. F. Thorne, P. Everett 1965-5-10 34453 Los Angeles Near Echo Lake, Santa Catalina Island 412 Comment
  RSA549910  Lamarckia aurea Peter L. Morrell, Orlando Mistretta, Laurel Arsneth 1992-4-4 121 Los Angeles San Clemente Island, upper terrace, approx. 2km SSW of Wilson Cove on W side of island. 100 Comment
  SBBG133656  Lamarckia aurea R. F. Thorne 28-Aop-1968 37489 Los Angeles between headwaters of Middle and Graveyard Cyns 91 Comment
  SD129270  Lampranthus tenuifolius Andrew C. Sanders 1988-2-18 7689 Los Angeles El Segundo Dunes, West of L.A.International Airport between Pershing Dr. and vista Del Mar Blvd 4 Comment
  UCR205532  Lantana camara A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36972 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  RSA392646  Lastarriaea coriacea Anstruther Davidson 1902-04 s.n. Los Angeles Beach near Playa del Rey. Comment
  CAS-BOT-BC338124  Lasthenia californica Alice Eastwood 1913-5-11 3127 Los Angeles San Fernando Wash Comment
  CAS-BOT-BC328101  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1903-4-10 3240 Los Angeles Ballna marshes, near Mesmer Comment
  UCD150963  Lasthenia glabrata subsp. glabrata D. S. Park 2010-4-27 49 Los Angeles Ranch Santa Ana Botanic Garden 328 Comment
  RSA608203  Lasthenia gracilis R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UCR272867  Lasthenia gracilis L. S. Rose 1968-4-5 68020 Los Angeles Western Transverse Range, Newhall Ranch 366 Comment
  RSA405723  Lathyrus vestitus F. R. Fosberg 1931-4-13 S- 4582 Los Angeles Santa Catalina Island. Renton Mine, Pebble Beach Canyon, lf. fk. [sic][left fork?] 220 Comment
  UCR213787  Lathyrus vestitus Scott D. White, Justin M. Wood, Jamie Miner 2009-5-12 12702 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
  UCR271757  Lathyrus vestitus R. G. Swinney 2011-3-26 14234 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
  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
  UC864434  Lathyrus vestitus var. vestitus I. W. Clokey and E. G. Anderson 1931-3-11 5331 Los Angeles San Gabriel Canyon 800 Comment
  RSA611841  Layia glandulosa Steve Boyd, Valerie Soza 1998-4-28 10171 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  POM30332  Layia glandulosa Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  POM9942  Layia glandulosa F. W. Peirson 1921-7-3 s.n. Los Angeles 2 miles east of Rock Creek 2287 Comment
  UCR126576  Layia platyglossa A. C. Sanders 2003-4-16 26025 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  LA64419  Lepechinia fragrans J. A. Ewan; 1932-6-18 sn Los Angeles San Gabriel Mountains, Clear Creek fork of Tujunga Canyon 914 Comment
  LA64420  Lepechinia fragrans J. A. Ewan; 1929-7-11 2060 Los Angeles San Gabriel Mountains, near Switzers Camp 914 Comment
  RSA188259  Lepechinia fragrans Robert F. Thorne 1966-4-29 36329 Los Angeles Santa Catalina Island: Below road to White s Landing above turn-off to Echo Lake 412 Comment
  RSA409628  Lepechinia fragrans Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  UCR265532  Lepidium Dan S. Cooper 2015-5-13 515- 48 Los Angeles Los Angeles Basin; Coastal Plain, Willow Springs oil field, Long Beach, west of Signal Hill, NW of intersection of Orange Ave. & Willow St. 30 Comment
  CAS-BOT-BC88676  Lepidium acutidens Ernest C. Twisselmann 1962-4-10 6847 Los Angeles Mojave Desert. The Mojave-Randsburg Region. Antelope Valley. Avenua A 5.1 miles northwest of Highway 6. 685 Comment
  UCR187184  Lepidium dictyotum A. C. Sanders 2006-4-21 32149 D Los Angeles Tehachapi Mtns. Foothills, ephemeral stream c. 1 mile east of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1006 Comment
  RSA728774  Lepidium flavum Gary D. Wallace 1979-4-19 1697 Los Angeles Transverse Ranges, Liebre Mtns region, Butte Valley Wildlife Sanctuary. Comment
  POM130  Lepidium lasiocarpum L. R. Abrams 1901-04 1225 Los Angeles Ballona Harbor Comment
  RSA670280  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena. 335 Comment
  UC1870182  Lepidium latifolium LeRoy Gross 2002-10-5 668 Los Angeles Transverse Ranges: San Gabriel-Verdugo Mountains Region: Devils Gate Reservoir, northeast of the San Rafael Hills, in the Arroyo Seco river channel. Just west of the city of Altadena 335 Comment
  RSA187728  Lepidium nitidum R. F. Thorne 1966-4-7 35988 Los Angeles Santa Catalina Island. S of Parson Landing and SW of Arrow Point, W. end island. 61 Comment
  SEINET5342065  Lepidium virginicum H. M. Hall s.n. Los Angeles Near Los Angeles. Comment
  UCR276923  Lepidium virginicum subsp. virginicum R. G. Swinney 2011-3-29 14267 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCD63667  Leptochloa fusca subsp. fascicularis Beecher Crampton 1965-10-27 7593 Los Angeles ca. 2.6 mi. s.w. of Saugus, U.S. Hwy. 99. Comment
  UCR209977  Leptodactylon pungens R. G. Swinney 2008-7-25 9311 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  UCR46104  Leptodactylon pungens Kathy Harper 1986-5-17 s.n. Los Angeles San Gabriel Mtns, between Pacifico Mountain and road N3 Comment
  RSA600177  Leptosiphon androsaceus Steve Boyd 1997-5-1 9669 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  POM3494  Leptosiphon androsaceus P. A. Munz 1918-4-30 2094 Los Angeles South Hills, Pomona Comment
  RSA774274  Leptosiphon breviculus R. G. Swinney 2009-6-8 11099 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0081126  Leptosyne bigelovii R. G. Swinney 2010-6-1 13115 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  RSA0018989  Lilium humboldtii subsp. ocellatum Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11699 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  UCR164833  Lilium humboldtii subsp. ocellatum Naomi Fraga, LeRoy Gross, Anh Nguyen 2005-6-9 1586 Los Angeles Transverse Ranges, San Gabriel Mountains region, Palmer Canyon N of Claremont 701 Comment
  RSA605002  Lilium parryi Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  RSA631366  Lilium parryi Louis C. Wheeler 1967-9-4 10685 Los Angeles San Gabriel Mountains: Ravine south of Camp Lupine, Prairie Fork. 2043 Comment
  RSA409971  Limonium californicum Anstruther Davidson 1892-07 s.n. Los Angeles Long Beach Comment
  CHSC95496  Linanthus bigelovii LeRoy Gross 2005-4-28 2114 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  POM364706  Linanthus concinnus Robert Kessler 1921-6-1 3434 Los Angeles Mt. Markham. Comment
  RSA704204  Linanthus concinnus Naomi Fraga, Sarah J. De Groot, Aydee Virgen 2004-5-26 1223 Los Angeles Off of Largo Vista Road, near intersection of dirt road that leads to Big John Flats. 1524 Comment
  UC23716  Linanthus concinnus H. M. Hall Jun 3 1900-Jun 6 1900 Los Angeles Swartout Canyon San Antonio Mountains 1889 Comment
  LA200754  Linanthus dianthiflorus Jonathan Sauer; H. Walter 1975-4-12 5647 Los Angeles Comment
  JEPS58395  Linanthus dichotomus Frank W. Peirson 1919-5-10 393 a Los Angeles Arraster Creek San Gabriel Mountains 914 Comment
  UCD118540  Linanthus dichotomus Steve Boyd 1986-3-31 1570 Los Angeles Mojave Desert: Highway 18 about 1 mile E of junction with Highway 138, NE of Pinyon Hills. Comment
  UC1124031  Linanthus liniflorus A. D. Gifford 1935-4-21 612 Los Angeles 1.5 mi ne Manzana; Tejon Quad. 853 Comment
  POM364693  Linanthus parryae Christopher Davidson 1973-4-1 1886 Los Angeles 1 mile south of Littlerock. 762 Comment
  SBBG64499  Linanthus parryae R. Hoffmann 1925-5-16 Los Angeles East Bouquet Cyn Comment
  RSA122093  Linanthus parryae A. D. Gifford 1935-4-27 634 Los Angeles 3 1/2 miles N. of Manzana,Tejon. 854 Comment
  RSA782182  Lithophragma R. G. Swinney 2009-4-15 10341 Los Angeles north of Azusa, El Encanto Azusa River Wilderness Park 296 Comment
  RSA468219  Lithophragma affine Tom Burch 1940-3-17 s.n. Los Angeles Near Newhall 610 Comment
  UCR191310  Lithophragma affine R. G. Swinney 1998-7-10 6361 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
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May 8 2012
  POM142562  Lithophragma affine C. F. Baker 1903-5-2 4754 Los Angeles Hills near Claremont. Comment
  RSA651521  Lithophragma affine Glenda Long 1981-4-26 19 Los Angeles West Fork of San Gabriel Canyon. .5 miles up canyon. Comment
  UC1871216  Lithophragma bolanderi T. S. Ross, W. Appleby 1993-5-20 7198 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  RSA608915  Lithophragma heterophyllum Louis C. Wheeler 1968-05 s.n. Los Angeles San Gabriel Mountains: Maher Canyon, Quail Spring. Comment
  RSA527727  Lithophragma maximum Steve Boyd 1990-4-8 4295 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA286659  Lithophragma tenellum R. F. Thorne, Larry E. DeBuhr 1974-6-28 44759 Los Angeles Angeles National Forest: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek. 2439 Comment
  SJSU13574  Lobelia dunnii var. serrata C. W. Sharsmith 1940-8-29 4223 Los Angeles at head of Eaton Canyon, San Gabriel Mts 1371 Comment
  RSA657152  Lobularia maritima Joseph M. Keefe 2001-1-19 31007 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  SBBG12123  Loeseliastrum matthewsii E. R. Blakley 1958-5-17 2377 Los Angeles where Rock Crk crosses Pearblossom to Victorville Rd 1005 Comment
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Mar 30 2015
  RSA77065  Loeseliastrum matthewsii F. W. Peirson 1917-5-13 2830 Los Angeles West of Little Rock. Comment
  CATA1854  Logfia filaginoides Denise Kraus, Patricia Moore 2000-5-15 35 Los Angeles Santa Catalina Island: Goat Harbor burn, just off eastern firebreak road approx. 0.2 mile from beach. At GHB Transect 5 106 Comment
  RSA653619  Lolium perenne subsp. multiflorum Monica Acosta 1998-5-26 24 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  POM122948  Lomatium dasycarpum subsp. dasycarpum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UC1302890  Lomatium dasycarpum subsp. dasycarpum Peter H. Raven and Robert F. Thorne 1964-5-7 Los Angeles near Seminole Hot Springs (Saddle Rock Ranch); Santa Monica Mts., Saddle Rock Ranch Comment
  SEINET3245997  Lomatium mohavense R. G. Swinney 2009-1 10809 Los Angeles Transverse Range; San Gabriel Mtns. Foothills: Juniper Hills, upper Indian Bill Canyon, a narrow mile long canyon draining north from west end of Pleasant View Ridge. Juniper Hills. 437 Comment
  CAS-BOT-BC240500  Lonicera hispidula E. R. Blakley 1962-10-6 5474 Los Angeles Between reservoirs in Bullrush Canyon. Santa Catalina Island 274 Comment
  SBBG109142  Lonicera hispidula S. A. Junak 1997-9-27 SCl 964 Los Angeles just inland from mouth of Eagle Cyn 15 Comment
  SBBG31035  Lonicera hispidula R. F. Thorne 1966-9-15 36694 Los Angeles Middle Ranch Cyn 243 Comment
  UC1211056  Lonicera hispidula var. vacillans Huron H. Smith 1912-6-13 5104 Los Angeles Rock Springs Canyon Santa Catalina Island 91 Comment
  UCR155627  Lonicera interrupta A. C. Sanders 2005-5-11 30139 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA657447  Lonicera japonica S. Campbell 1980-6-4 43 Los Angeles Verdugo Mountains: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  RSA0085495  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport. 1037 Comment
  RSA198820  Lonicera subspicata var. denudata R. F. Thorne, D. Propst 1938-5-27 37623 Los Angeles Santa Catalina Island, upper Skull Canyon 305 Comment
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Mar 12 2012
  RSA406758  Lotus argophyllus subsp. ornithopus George B. Grant, Walter Wheeler 1904-04 6257 Los Angeles Santa Catalina Island. Comment
  RSA534077  Lotus argophyllus var. adsurgens T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5249 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']. Upper portion of drainage 389 Comment
  UC864767  Lotus argophyllus var. argenteus F. R. Fosberg 1931-3-18 S 4294 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  POM18148  Lotus crassifolius var. crassifolius P. A. Munz 1923-5-26 6831 Los Angeles Big Rock Creek 1921 Comment
  POM220065  Lotus dendroideus var. dendroideus F. R. Fosberg 1932-5-6 8115 Los Angeles Santa Catalina Island. Ridge above Villa Park, Avalon 60 Comment
  RSA406156  Lotus hamatus M. B. Dunkle 1932-6-2 2168 Los Angeles Santa Catalina Island. White's landing Comment
  RSA0020989  Lotus heermannii var. heermannii Orlando Mistretta, Christine Mistretta 2011-7-1 5895 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1524 Comment
  JEPS55513  Lotus humistratus Frank W. Peirson 1919-5-11 406 Los Angeles Arraster Canyon San Gabriel Mountains 853 Comment
  UCR189700  Lotus nevadensis R. G. Swinney 1998-7-10 6405 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  UC397222  Lotus nevadensis var. davidsonii Geo. B. Grant Jun 15 1906-Jun 18 1906 Los Angeles Summit of Mt. Wilson San Gabriel Mts. 1828 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
  RSA782207  Lotus purshianus R. G. Swinney 2009-8-25 11472 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA0045264  Lotus salsuginosus R. G. Swinney 2010-3-22 12009 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
  RSA498806  Lotus salsuginosus Freda Detmers 1929-4-24 s.n. Los Angeles Laurel Canyon Comment
  UC200758  Lotus salsuginosus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UCR282023  Lotus salsuginosus R. G. Swinney 2014-5-21 16614 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UC56564  Lotus scoparius var. brevialatus Miss E. D. Palmer Feb 1902 Los Angeles Los Angeles Comment
  UCR260345  Lotus scoparius var. scoparius R. G. Swinney 2010-5-4 12564 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA725181  Lotus strigosus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -103 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UCR264701  Lotus strigosus Mitch Provance, Callen Huff 2009-4-28 10725 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR271093  Lotus strigosus R. G. Swinney 2011-6-6 14993 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA190956  Lotus strigosus var. strigosus R. F. Thorne, Reed Rollins, Doug Propst, R. Carolin 1967-3-19 36767 Los Angeles Santa Catalina Island, near Buffalo Springs Reservoir. 427 Comment
  RSA755904  Lupinus R. G. Swinney 2008-7-24 9294 Los Angeles Waterman Mountain 2412 Comment
  RSA407015  Lupinus albifrons var. eminens Frances Runyan 1973-4-14 42 Los Angeles About 10-15 miles southwest of Gorman along a mostly dirt road toward Piru Creek. 1067 Comment
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Jan 6 2015
  RSA660177  Lupinus andersonii Orlando Mistretta 1992-5-25 446 Los Angeles Fenner Canyon Conservation Camp. S side of camp. Comment
  RSA612177  Lupinus bicolor Valerie L. Soza 1997-4-11 35 Los Angeles Bernard Field Station of the Claremont colleges, located on the NW corner of Mills Ave. and Foothill Boulevard. 412 Comment
  UC1481354 Image available Lupinus bicolor D. B. Dunn and C. Epling 1946-4-19 2129 Los Angeles 0.9 mi s Highway 99 and Highway 138 junction (and for several miles to the n of junction and n of the town of Gorman); ; N of Gorman, Los Angeles Co. 1066 Comment
  POM350043  Lupinus bicolor subsp. microphyllus Jennie Alberts 1884-5-2 s.n. Los Angeles Los Angeles Comment
  SEINET10484915  Lupinus bicolor subsp. pipersmithii Robert F. Thorne 1966-4-6 Thorne 35911 Los Angeles Santa catalina island: margin of small reservoir n of catalina airport, elev. Ca. 1430'; With juncus bufonius, plantago coronopus, p. Erecta, p. Insularis, Gnaphalium luteo-album, spergularia bocconii, etc. 436 Comment
  POM2555  Lupinus chamissonis Crawford, Hiatt 1916-3-29 564 Los Angeles Santa Monica Mountains Comment
  SBBG78227  Lupinus concinnus F. R. Fosberg 1931-3-27 4413 Los Angeles Hamilton Cyn, North Wall 120 Comment
  CAS-BOT-BC205358  Lupinus elatus D. B. Dunn; Conrad; LeDoux 1973-6-16 20785 Los Angeles 1.5 mi. E of Camp Angeles Comment
  RSA414469  Lupinus elatus Robert Gustafson 1983-7-18 2786 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 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
  UC56602  Lupinus excubitus var. austromontanus H. M. Hall 1902-5-2 3076 Los Angeles Elizabeth Lake 1066 Comment
  UCR273396  Lupinus excubitus var. hallii R. G. Swinney 2011-4-26 14498 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC216534  Lupinus excubitus var. johnstonii Scott D. White 1998-6-29 6815 Los Angeles W of Mount Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4 mile closed section of Highway 39 from ca. 1.6 miles W of junction Crystal Lake access road to junction Highway 2. 2011 Comment
  OBI12897  Lupinus formosus D. H. Thomson 1944-5-7 s.n. Los Angeles Burbank; Verdugo Hills 671 Comment
  SEINET10543978  Lupinus formosus Robert F. Thorne 1969-7-2 Thorne 38298 Los Angeles San gabriel mtns, angeles national forest. Dry, open sunny se-facing slope in yellow pine forest along angeles crest hwy 3.2 mi w-sw of cloudburst summit. 1981 Comment
  RSA413624  Lupinus formosus var. formosus Robin S. Collins 1973-5-15 270 Los Angeles Angeles National Forest, San Gabriel Mts:Trail Cyn, near road to beginning of pack trail. 579 Comment
  SBBG125955  Lupinus formosus var. formosus D. Huang 2008-5-13 08051302 Los Angeles N Peace Valley Rd outside entrance to Hungry Valley SVRA 1237 Comment
  SEINET3245941  Lupinus fulcratus G. K. Helmkamp, E. A. Helmkamp 2010-1 16526 Los Angeles Northern Sierra Nevada Mountains: between the west shore of Silver Lake and CA-88; lakeside rest stop area (Tragedt Spring 7.5') 2234 Comment
  RSA413674  Lupinus hirsutissimus F. R. Fosberg 1931-3-31 4424 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  UCR256133  Lupinus hirsutissimus R. G. Swinney 2010-4-20 12302 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  CAS-BOT-BC211718  Lupinus longifolius LeRoy Abrams 1902-7-10 2505 Los Angeles Playa del Rey Comment
  SEINET3131588  Lupinus longifolius Unknown 1902-7-10 2505 Los Angeles Playa del Rey Comment
  SBBG44374  Lupinus odoratus G. Sphon, D. Hearn 1956-5-30 Los Angeles Black Butte, Antelope Valley Comment
  UCR55913  Lupinus odoratus J. A. Adams 1966-4-20 704 A Los Angeles Mojave Desert, below Valyermo on road to Hwy 138. 762 Comment
  CAS-BOT-BC207242  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  CAS-BOT-BC207247  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  UC499444 Image available Lupinus peirsonii Herbert L. Mason 1926-4-27 3026 Los Angeles Rock Creek San Gabriel Mts.; Rock Creek, San Gabriel Mts. Comment
  RSA250595  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1967-3-23 41597 Los Angeles San Gabriel Mountains, Angeles National Forest: Grandview Canyon; Mojave Desert slopes north of Mile High Ranch. 1371 Comment
  RSA414813  Lupinus sparsiflorus subsp. sparsiflorus Unspecified 1941-7-11 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  UCR165245  Lupinus succulentus A. C. Sanders, Helen Kennedy 2005-4-13 29466 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
  UCSB45205  Lupinus succulentus Batson, J. 1979-2-24 Los Angeles End of Trancas Canyon Road near Malibu, CA 91 Comment
  SD85154  Lupinus succulentus Ralph N. Philbrick 1972-2-22 Los Angeles Collected as seed from top of terrace north of Wilsons Cove, San Clemente Island. Comment
  POM2607  Lupinus truncatus H. Story 1902-05 s.n. Los Angeles Collected near Pasadena Comment
  RSA0097614  Lupinus truncatus R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14332 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead 451 Comment
  SEINET13383981 Image available Lupinus truncatus R. G. Swinney 2010-1 12328 Los Angeles San Gabriel Mountains: Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UC1215189  Lupinus truncatus Peter H. Raven 1962-5-9 17649 Los Angeles along road just n of Guds San Clemente Island (San Clemente Island) 249 Comment
  UCR43351  Luzula comosa David Charlton 1986-6-15 284 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  UC416919  Lycium brevipes R. L. Pendleton 1909-7-6 1421 Los Angeles Catalina Cove Santa Catalina Island 6 Comment
  CATA2073  Lyonothamnus floribundus Michael R. Benedict 1965-12-12 Los Angeles Santa Catalina Island: Small grove near head of major canyon 1 1/2 miles southwest of Johnson's Landing 0 Comment
  UC483210  Lyonothamnus floribundus subsp. aspleniifolius L. R. Abrams and I. L. Wiggins 1931-7-6 382 Los Angeles vicinity Mosquito Harbor; San Clemente Comment
  POM308912  Lythrum californicum Unspecified 1942-5-22 627 Los Angeles trail to Flumes 4 and 5 N side, San Dimas Experimental Forest, San Gabriel Mt. Comment
  UC1929999  Madia Mark Elvin, Orlando Mistretta 1996-3-24 129 A Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  RSA748445  Madia elegans subsp. elegans Orlando Mistretta 1992-8-20 755 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  POM362176  Madia gracilis L. C. Wheeler 1932-5-21 741 Los Angeles Head Mandeville canyon, Santa Monica Mtns. 488 Comment
  UCR204433  Madia gracilis R. G. Swinney 2003-5-12 8199 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.5 mi. S of Big Dalton Cyn. Rd. and c. 0.9 mi. E of Glendora Mtn. Rd., 100 yds N of Big Cienega Spring Rd. 610 Comment
  RSA435923  Mahonia dictyota Fordyce Grinnell Jr. 1910-03 s.n. Los Angeles In the mountains Comment
Read comments
May 19 2015
  CAS-BOT-BC512880  Maianthemum stellatum Wesley O. Griesel 1961-6-16 s.n. Los Angeles Near Dawson Saddle, San Gabriel Mts. 2286 Comment
  SBBG98444  Malacothamnus clementinus T. Ross 1991-5-23 5506 Los Angeles Wilson Cove settlement; lawn at bus stop on N side of Bldg 60112 53 Comment
  CAS-BOT-BC206224  Malacothamnus fasciculatus John Thomas Howell 1930-5-18 5169 Los Angeles Pacoima Wash at entrance to Pacoima Canyon, San Fernando Valley Comment
  CATA535  Malacothamnus fasciculatus Sara L. Crockett 1997-5-1 695 Los Angeles Santa Catalina Island: 0.6 mile E of jct. of Empire Landing Road with Airport Road 483 Comment
  SD3041  Malacothamnus fasciculatus Ruth B. Randall 1923-1 49 Los Angeles Near Griffith Park. Comment
  SBBG41330  Malacothamnus fasciculatus var. catalinensis M. R. Benedict 1970-6-27 Los Angeles near rd, lower Cape Cyn, just above jct with Middle Cyn Rd Comment
  RSA0091094  Malacothamnus fremontii R. G. Swinney 2011-5-26 14834 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
  RSA608306  Malacothamnus fremontii Louis C. Wheeler 1946-8-29 6307 Los Angeles San Gabriel Mountains: Blue Ridge, near road junction, 1.5 miles SW Swarthout. 2241 Comment
  CAS-BOT-BC204188  Malacothamnus marrubioides Carl B. Wolf 1927-7-27 686 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn Comment
  RSA0116399  Malacothamnus marrubioides Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9129 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 1000 ft southeast of transit station Hiway . 951 Comment
  UCR127638  Malacothamnus marrubioides Mark A. Elvin 2003-8-13 2988 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  RSA94957  Malacothrix clevelandii F. W. Peirson 1919-5-21 445 Los Angeles Arroyo Seco Canyon, near Pasadena 685 Comment
  UC92211  Malacothrix foliosa Nevin and Lyon 1885-1 601 Los Angeles San Clemente Comment
  UCR191312  Malacothrix glabrata R. G. Swinney 1998-7-10 6357 Los Angeles San Gabriel Mtns., Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  CAS-BOT-BC347932  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1900-8-1 s.n. Los Angeles Ballona Sand Hills Comment
  JEPS26039  Malacothrix saxatilis var. tenuifolia Lewis S. Rose 1960-8-28 60085 Los Angeles e slope Coldwater Canyon; Santa Monica Mts. 335 Comment
  SEINET11799393  Malacothrix saxatilis var. tenuifolia J. F. Bright, Wyman, C. 1931-1 5470 Los Angeles near Pasadena Comment
  RSA18520  Malosma laurina C. B. Wolf 1927-7-24 678 Los Angeles Chevy Chase Drive between Flintridge and Glendale Comment
  SEINET10454061  Malosma laurina Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4771 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  CAS-BOT-BC206646  Malva assurgentiflora Peter H. Raven 1962-4-11 17303 Los Angeles Between Driggs and West Rock, northwest end of island, San Clemente Island 6 Comment
  RSA434888  Malva parviflora Robert Gustafson 1981-4-14 2162 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA434875  Malva pseudolavatera Robert Gustafson 1981-3-26 2141 Los Angeles Ballona Wetlands, Area 3. Comment
  SDSU19653  Malva sylvestris Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2211 Los Angeles Corner of Honor Street and Commitment Street, San Clemente Island. 116 Comment
  SEINET3143105  Malvella leprosa G. B. Grant 1904-6-5 1199 Los Angeles Ballona Comment
  RSA20162  Marah macrocarpa L. R. Abrams 1901-4-3 1254 Los Angeles Santa Monica Mountains. Comment
  RSA441008  Marah macrocarpa var. major F. H. Elmore 1939-2-19 422 Los Angeles San Clemente Island. Comment
  CDA40720  Marrubium vulgare Phillipson 1915-5-7 3 .1.A Los Angeles Monrovia. Comment
  RSA409821  Marrubium vulgare M. Bisbee 1917-6-4 s.n. Los Angeles Waste places everywhere, Eagle Rock Comment
  UC1714367  Marrubium vulgare J. Grinnell 1903-6-27 Los Angeles near Pasadena (Arroyo Seco); Arroyo Seco Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  CAS-BOT-BC422750  Meconella denticulata W. R. Ernst 1957-4-19 160 Los Angeles About 1/4 mile south of the West Fork junction of the San Gabriel River on Highway 39. Comment
  POM97347  Meconella denticulata Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  RSA15348  Medicago polymorpha var. brevispina C. B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UCSB3434  Medicago sativa Wedberg, H. 1958-7-14 Los Angeles By the stairs at west end of quad, U.C.L.A. campus Comment
  UCR249901  Melaleuca viminalis R. E. Riefner Jr. 2004-8-22 04- 384 Los Angeles city of Pasadena, Arroyo Seco Creek, Lower Arroyo Park, vicinity of Colorado Blvd overpass 122 Comment
  CAS-BOT-BC281536  Melica imperfecta Javier Penalosa 1961-5-21 1515 Los Angeles San Gabriel Canyon Comment
  POM204804  Melica imperfecta A. Chase 1904-05 4782 Los Angeles Hills near Claremont Comment
  POM353053  Melica imperfecta L. E. Hoffman 1929-5-5 s.n. Los Angeles Hermon Hills, Ave-57. Pasadena. Comment
  RSA0060811  Melica imperfecta LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6971 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
  SJSU12980  Melica imperfecta C. W. Sharsmith 1941-6-22 4398 Los Angeles Eaton Canyon San Gabriel Mts 548 Comment
  UCD87967  Melica imperfecta W. M. Phillipson 1915-6-1 s.n. Los Angeles Monrovia. Comment
  UCR213335  Melica imperfecta Justin M. Wood 2009-4-22 529 Los Angeles San Gabriel Mountains, city of San Dimas, Sycamore Canyon, Falcon Ridge Ranch 457 Comment
  UCR2561  Melica imperfecta F. M. Reed 1925-5-18 5134 Los Angeles La Canyada [La Canada] 396 Comment
  SBBG31479  Melilotus indicus R. F. Thorne 1966-4-4 35764 Los Angeles bluff SE of Ballast Pt and Catalina Harbor, isthmus 60 Comment
  POM348191  Melilotus indicus E. Crow 1928-3-7 276 Los Angeles Claremont. Comment
  RSA660843  Melilotus indicus Ann Williams 1992-5-14 7 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UC1211107  Melilotus indicus Huron H. Smith 1912-5-1 4888 Los Angeles Eagle Rock Valley 152 Comment
  UCD108068  Melilotus indicus Gerald Dickinson 1962-4-22 22 Los Angeles Pierce College, Woodland Hills. 246 Comment
  UCR252752  Mentha X rotundifolia R. G. Swinney 2010-9-1 13656 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA0053887  Mentzelia R. G. Swinney 2010-5-11 12643 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  OBI28970  Mentzelia affinis David J. Keil 1976-12-12 11885 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 1128 Comment
  RSA440347  Mentzelia affinis Anstruther Davidson 1915-7-1 3071 Los Angeles Chatsworth Comment
  RSA771942  Mentzelia albicaulis Robert F. Thorne, C. W. Tilforth 1972-6-29 42105 Los Angeles 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  UCR205595  Mentzelia dispersa R. G. Swinney 2008-5-13 8862 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, Holcomb Canyon at junction with South Fork Trail 1390 Comment
  RSA440475  Mentzelia lindleyi Amelia Eatherton 1930-04 s.n. Los Angeles Griffith Park hillside. Comment
  RSA305744  Mentzelia micrantha Henry J. Ramsey, Henry J. Ramsey 1937-6-27 949 Los Angeles Sand Canyon, north of Pacoima reservoir Comment
  CAS-BOT-BC167624  Mentzelia veatchiana L. R. Abrams 1901-4-1 1202 Los Angeles Ballona Harbor Comment
  CHSC3704  Mentzelia veatchiana M. MacArthur 1966-4-28 1 Los Angeles San Franciscito. 304 Comment
  RSA0135659  Mentzelia veatchiana David E. Bramlet 2016-6-2 5310 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  POM263281  Mentzelia veatchiana J. C. Roos 1937-3-25 543 Los Angeles 12 miles west of Lancaster Comment
  RSA131256  Mentzelia veatchiana Percy C. Everett, E. K. Balls 1959-5-22 23801 Los Angeles Antelope Valley, SE of Fairview, 1/2-1 mile, San Andreas Rift 854 Comment
  CATA2969  Mesembryanthemum crystallinum Amy Catalano 2016-1-27 006 Los Angeles Santa Catalina Island: Mushroom Flats, about 1/8 mile down canyon from Quail Valley 125 Comment
  CAS-BOT-BC435237  Mesembryanthemum crystallinum I. Johnston 1917-4-11 s.n. Los Angeles Wilmington Comment
  POM123142  Mesembryanthemum crystallinum Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA402605  Mesembryanthemum crystallinum I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  CATA788  Mesembryanthemum nodiflorum Mark L. Hoefs, Robert Given 1991-6-12 1355 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 76 Comment
  RSA402627  Mesembryanthemum nodiflorum F. R. Fosberg 1931-5-21 s.n. Los Angeles Santa Catalina Island. Parsons Landing. 2 Comment
  SBBG19211  Mesembryanthemum nodiflorum M. A. Piehl 1963-12-7 631046 Los Angeles SE tip of island opposite Pyramid Head 21 Comment
  RSA155905  Mesembryanthemum nodiflorum P. H. Raven 1962-7-11 18009 Los Angeles San Clemente Island, Wilson Cove 61 Comment
  LA33768  Micropus californicus var. californicus Peter H. Raven; Henry J. Thompson 1959-5-5 14132 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage Comment
  UCR107778  Micropus californicus var. californicus L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns, Spring Hill, San Antonio Canyon 1220 Comment
  POM19012  Microseris douglasii subsp. platycarpha P. A. Munz 1923-4-10 6739 Los Angeles San Clemente Island; S of Lemon Tank west coast Comment
  UCR126764  Microseris lindleyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26116 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  POM363468  Microseris lindleyi Grinnell 1921-4-3 15737 Los Angeles Santa Monica Mts, Pacoima Canyon Comment
  RSA587364  Microseris lindleyi Orlando Mistretta 1995-4-25 1641 -A Los Angeles San Gabriel Mountains, Kitter Canyon: near the confluence of Kitter Canyon and Little Rock Creek. 1098 Comment
  RSA0095285  Microsteris gracilis Timothy S. Ross, Steve D. Boyd 1994-5-11 7805 Los Angeles Sawmill Mountain: W summit area ca. 260-350 m SE of Sawmill Campground. 1597 Comment
  UC943852  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 A-1 Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  CATA980  Mimulus aurantiacus Mark L. Hoefs 1994-5-21 1850 Los Angeles Santa Catalina Island: Southeast end of Renton Mine Road 262 Comment
  RSA517144  Mimulus aurantiacus Tim S. Ross, S. D. Boyd 1990-5-14 2484 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Rander District. 1079 Comment
  RSA586529  Mimulus aurantiacus Tim S. Ross 1992-5-24 6413 Los Angeles Brown's Gulch: (draining to San Gabriel Canyon at the base of San Gabriel Dam) 464 Comment
  SFV3385  Mimulus aurantiacus var. pubescens A. M. Johnson 1934-5-1 4447 Los Angeles Santa Monica Mountains Sepulveda Canyon. Shaded mountain side. Comment
  UC1584271  Mimulus aurantiacus var. pubescens Tim Ross, Steve Boyd 1990-6-6 2858 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad., San Francisquito Canyon 926 Comment
  UC943857  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 B Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  RSA279125  Mimulus aurantiacus var. puniceus Robert F. Thorne, D. Propst, M. Hoefs 1974-9-12 45105 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  UCR128124  Mimulus brevipes Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  RSA447913  Mimulus brevipes M. Bisbee 1917-5-12 s.n. Los Angeles Hills north side of Eagle Rock Valley Comment
  CATA1669  Mimulus cardinalis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-17 2960 Los Angeles Santa Catalina Island: Mouth of Silver Canyon, 1/16 to 1/8 mile from beach 9 Comment
  UCR242056  Mimulus cardinalis Dan S. Cooper 2012-8-3 812- 51 Los Angeles Los Angeles Basin, Sepulveda Basin along unchannelized portion of Los Angeles River c. halfway between Balboa Blvd and Burbank Blvd 206 Comment
  SFV16490  Mimulus cardinalis P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Cottonwood Canyon near waterfall. About 0.5 miles from beach. Comment
  UC26922  Mimulus floribundus Harley P. Chandler 1897-5-24 Los Angeles Palmer's Canyon Claremont 762 Comment
  UCR123815  Mimulus fremontii Steven R. Hill, K. Kramer 2001-4-22 33386 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA535569  Mimulus fremontii var. fremontii David M. Thompson 1988-4-9 870 Los Angeles N side of San Gabriel Mountains. 3.2 miles S of Hwy 138 along Largo Vista Road (204th Street; Grandview Canyon Road). 1280 Comment
  SBBG56199  Mimulus guttatus F. C. Boutin 1967-4-23 1692 Los Angeles cyn SE of Lemon Tank Comment
  UC184469  Mimulus guttatus A. D. E. Elmer June, 1902 3645 Los Angeles Acton Mt. Gleason Comment
  UC76128  Mimulus guttatus E. D. Palmer 1903-4-30 Los Angeles near Los Angeles Comment
  RSA0048284  Mimulus guttatus Geo. E. Julian 1963-4-19 s.n. Los Angeles Voorhis Campus Cal Poly. Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  RSA0056589  Mimulus johnstonii Valerie L. Soza, Sarah J. De Groot 2003-6-18 1693 Los Angeles Mount Hillyer Trail from Horse Flats Campground. 1829 Comment
  RSA650615  Mimulus longiflorus subsp. longiflorus George H. Lewis 1975-6-29 s.n. Los Angeles Hall Beckley Canyon, ca. 1-1/4 miles north of Foothill Blvd. on Palm Drive, La Canada. Comment
  RSA0011599  Mimulus parishii Orlando Mistretta, Christine Mistretta 2011-6-14 5684 Los Angeles Northern edge of San Gabriel Mountains, along Southern California Edison (SCE) transmission line corridor, 2.02 air miles S of SCE substation at Vincent, 1.49 miles N of Aliso Cyn Rd., W of Angeles Forest Hwy. 1208 Comment
  RSA680213  Minuartia douglasii Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1684 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  SBBG13254  Mirabilis californica M. A. Piehl 1962-6-10 62384 Los Angeles E of Thirst 304 Comment
  RSA592233  Mirabilis californica var. californica Louis C. Wheeler 1967-4-30 9245 Los Angeles Limekiln Canyon 549 Comment
  RSA0026045  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  IRVC28567  Mirabilis laevis A. C. Sanders, Mark Elvin, et al. 2003-4-14 25956 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  UCR178617  Mirabilis laevis R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon 428 Comment
  CAS-BOT-BC434629  Mirabilis laevis var. crassifolia Alice Eastwood 1917-7-20 6443 Los Angeles Santa Catalina Island Comment
  CATA1554  Mirabilis laevis var. crassifolia Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2811 Los Angeles Santa Catalina Island: Hillside above upper Cape Canyon 359 Comment
  RSA127838  Mirabilis laevis var. crassifolia Peter H. Raven 1959-4-4 s.n. Los Angeles East of Zuma Beach, Santa Monica Mountains. 30 Comment
  RSA226253  Mirabilis laevis var. crassifolia Gary D. Cromwell, David W. Wheat 1971-4-21 543 Los Angeles Mystic Canyon, Angeles National Forest, 2 miles NE of Glendora 549 Comment
  RSA464653  Mirabilis laevis var. crassifolia Bonnie C. Templeton 1931-1-5 s.n. Los Angeles Mandeville Canyon. 550 Comment
  RSA464666  Mirabilis laevis var. crassifolia Richard C. Barkelew 1933-4-23 s.n. Los Angeles Mulholland Highlands. Comment
  RSA0013560  Modiola caroliniana Steve Boyd, R. E. Riefner 2007-4-27 11737 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UC586836  Monardella australis subsp. cinerea Joseph Andorfer Ewan 1934-8-6 8312 Los Angeles e slope North Baldy; San Gabriel Mts. 2743 Comment
  UC1293674  Monardella breweri subsp. lanceolata P. C. Everett and E. K. Balls 1959-6-2 23826 Los Angeles 1 mi ne of entrance Stokes Canyon; Santa Monica Mts. 182 Comment
  RSA40485  Monardella exilis W. R. Dudley, F. H. Landau 1896-6-5 4303 Los Angeles Lancaster. Comment
  UC1995354  Monardella exilis Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9483 Los Angeles 4 mi ne Lancaster (on the Muroc Road) Comment
  UCSB22993  Monardella exilis Engel, C. 1967-5-19 Los Angeles Sierra Highway, 2.2 miles south of its junction with Avenue M, then 0.6 mile south on dirt road, Antelope Valley 762 Comment
  CAS-BOT-BC220433  Monardella saxicola Louis C. Wheeler 1936-6-22 4174 Los Angeles Tanbark Flat, San Dimas Canyon, San Gabriel Mts. 822 Comment
  RSA65884  Monolepis nuttalliana F. W. Peirson 1932-4-17 9849 Los Angeles Near dam head, Lovejoy Buttes, Mohave Desert 762 Comment
  SFV20712  Monolopia lanceolata T. Sagar 2004-3-15 32 Los Angeles Santa Monica Mountains Cornell Road at Paramount Ranch, near Medea Creek. 275 Comment
  VVC99  Monolopia lanceolata Wandalee Thompson 1964-4-13 96 Los Angeles Foothills near Palmdale. 945 Comment
  RSA0010782  Morus alba A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37073 Los Angeles Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UC1870288  Morus alba LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 965 Los Angeles Transverse Ranges; Verdugo Mountains region; West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.) We went down into a small draw northeast o ... 549 Comment
  SBBG62244  Mucronea perfoliata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA678326  Muhlenbergia Valerie L. Soza, Genevieve Arnold, Bill Hogshead 2002-6-4 1520 Los Angeles Eastern end of Rincon Red Box Road (2N24.2), east of Pine Mountain, above Rincon Canyon. Comment
  RSA608002  Muhlenbergia californica L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1189 Comment
  CAS-BOT-BC275320  Muhlenbergia microsperma Tim Ross; Orlando Mistretta 1993-5-27 7330 Los Angeles W end of the San Gabriel Mountains: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon 670 Comment
  RSA0070127  Muilla maritima LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6959 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
  RSA549195  Muilla maritima Timothy S. Ross, Peter Fritsch 1990-6-20 3682 Los Angeles Ridgetop between Roberts Canyon and W Fork San Gabriel River. 1255 Comment
  CATA2919  Myoporum laetum Sara L. Crockett 1997-2-19 61 Los Angeles Santa Catalina Island: 0.2 mile NE of Wrigley Botanical Garden (toward Avalon) on Avalon Canyon Road, Hermit Gulch Campground 106 Comment
  UCR252750  Myriophyllum aquaticum R. G. Swinney 2010-9-1 13644 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  UCSB27913  Nama demissa Kunze, G. 1971-4-17 Los Angeles California 14; 1.7 miles south of Lancaster, Antelope Valley 914 Comment
  RSA729958  Nama demissa var. demissa R. G. Swinney 1999-4-5 7062 Los Angeles San Gabriel Mtns./Mojave Desert: lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East. 1207 Comment
  RSA703766  Nassella cernua Gary D. Wallace, Ann Hiller 1983-5-18 2065 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  POM296907  Nassella lepida Lyman Benson 1945-5-11 11682 Los Angeles Indian Hill, Claremont Comment
  RSA484109  Nassella lepida F. R. Fosberg 1931-4-14 694 Los Angeles Eagles Nest. Middle Ranch Canyon. Santa Catalina Island. 180 Comment
  UCD87962  Nassella lepida Robert F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island, at Cherry Valley. Comment
  RSA595370  Nassella lepida L. C. Wheeler 1967-5-8 9360 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  RSA534132  Nassella pulchra Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5077 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  SBBG98642  Nassella pulchra T. Ross 1991-5-20 5360 Los Angeles uppermost reaches of the Wilson Cove Cyn drainage; 3300 ft NW of the 750ft Benchmark 141 Comment
  UC185563  Nassella pulchra T. S. Brandegee 1894-8-25 Los Angeles San Clemente Id. Comment
  UC483209  Nassella pulchra L. R. Abrams and I. L. Wiggins 1931-7-6 381 Los Angeles vicinity of Mosquito Harbor San Clemente Island Comment
  RSA3589  Nasturtium officinale C. B. Wolf 1932-5-12 3606 Los Angeles Middle Ranch Canyon, near bridge on lower road to Isthmus, Santa Catalina Island 30 Comment
  POM276183  Navarretia atractyloides J. D. Laudermilk 1948-6-7 s.n. Los Angeles Baseline Road Claremont Comment
  RSA3735  Navarretia hamata subsp. leptantha C. B. Wolf 1932-5-10 3525 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  UC737251  Navarretia prostrata Frank W. Gould 1944-6-17 2353 Los Angeles Western Ave at 131st St, Los Angeles Los Angeles Comment
  CAS-BOT-BC123191  Nemacladus sigmoideus Rimo Carlo Felice Bacigalupi; G. T. Robbins; L. R. Heckard 1953-6-14 4190 Los Angeles Upper slopes of Angeles National Forest, higher north slopes of the San Gabriel Mountains, 1554 Comment
  UCR88704  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 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
  CSUSB119  Nemophila menziesii Dick Bernier 1966-3-14 Los Angeles 500 yards along a path, end of 14th Street in the Puente Hills; found in a rocky, grassy slope. 213 Comment
  RSA0070948  Nemophila menziesii var. menziesii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8297 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest: side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  SEINET3156503  Nemophila racemosa G. B. Grant, W. Wheeler 1904-4-21 831 /3671 Los Angeles On Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA0114946  Nemophila spatulata R. G. Swinney 2011-6-15 15183 Los Angeles San Gabriel Mountains; Chilao Creek, 100 m south and north of Chilao Campground. 1573 Comment
  RSA188389  Nicotiana bigelovii Robert F. Thorne, Percy C. Everett 1965-6-22 34883 Los Angeles Santa Catalina Island. Road to East Mountain, S end of island. 457 Comment
  CDA33960  Nicotiana glauca M. O'Brien 2006-10-1 MOB 06 -1 Los Angeles San Gabriel Mountains; San Gabriel River, Angeles National Forest. 7 miles above the dam. Comment
  HSC49072  Nicotiana glauca Patricia Shesgreen 1978-6-17 101 Los Angeles Whittier Hills, 0.4 mi. E of Painter Ave., N side of Turnbull Canyon Rd. Comment
  LA34717  Nicotiana glauca Mary V. Hood; 1939-4-28 36- 3 Los Angeles San Gabriel Mountains, San Francisquito Canyon, near sign of National Forest 335 Comment
  RSA649016  Nicotiana glauca Scott Lowe 1991-4-9 9 Los Angeles San Gabriel River channel, about 100 m. south of Valley Boulevard bridge, city of El Monte. Comment
  UCSC000651  Nicotiana glauca F. H. Raymond 1930-1-29 43 Los Angeles Calabasas, Santa Ynez Canyon 122 Comment
  UCR217338  Nitrophila occidentalis David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, north of the spillway and 0.25 mi. south of Rosamond Dry Lake bed 713 Comment
  POM187768  Oenothera Thomas Craig 1933-10-9 2015 Los Angeles Soledad Canyon, about 8 miles west of Ravenna. 610 Comment
  UCR193435  Oenothera californica R. G. Swinney 1999-6-5 7266 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  CAS-BOT-BC167068  Oenothera californica E. E. Morse 1940-5-19 s.n. Los Angeles [Mohave] Mojave Desert between Palmdale and Piute Butte Comment
  JEPS43970  Oenothera elata subsp. hirsutissima Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Los Angeles Comment
  JEPS43972  Oenothera elata subsp. hirsutissima Frank W. Peirson 1918-8-18 127 Los Angeles San Antonio Canyon San Gabriel Mts. 1341 Comment
  RSA586177  Oenothera elata subsp. hirsutissima Orlando Mistretta 1995-10-2 1937 Los Angeles San Gabriel Mountains: Little Rock Creek. Upstream from Basin Campground 1037 Comment
  UCR210054  Oenothera laciniata A. C. Sanders 2009-11-6 37206 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SBBG126148  Oenothera rosea A. C. Sanders with T. B. Salvato 2009-5-21 36906 Los Angeles Whittier Narrows, between San Gabriel River and Rio Hondo, W side of Hwy 19 (Rosemead Blvd) along rd to shooting area, S of Hwy 60 along SCE powerlines 64 Comment
  LA202286  Oenothera speciosa Arthur C. Gibson; 2005-6-4 5033 Los Angeles Comment
  CAS-BOT-BC427446  Oligomeris linifolia Carl B. Wolf 1932-5-11 3566 Los Angeles Santa Catalina Island. Point, W. side of Fourth O' July Cove. 30 Comment
  RSA0097628  Opuntia Marc A. Baker, Michelle Cloud-Hughes 2015-7-11 18406 Los Angeles Claremont, 300m south of the SE base of Indian Hill. 394 Comment
  RSA439565  Opuntia X occidentalis L. C. Wheeler 1931-7-13 s.n. Los Angeles 2 miles N of Claremont. 412 Comment
  POM214682  Opuntia vaseyi F. R. Fosberg 1932-7-17 8615 Los Angeles Claremont. Comment
  POM302049  Orcuttia californica M. K. Bellue, Henson 1944-10 s.n. Los Angeles Old Municipal Airport, Rosecrans Avenue. Comment
  SBBG122090  Orcuttia californica A. Parikh, N. Gale 2003-5-10 731 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  RSA680010  Oreonana vestita LeRoy Gross, Valerie Soza 2003-6-10 1018 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  HSC78682  Ornithostaphylos oppositifolia C. W. Tilforth 1976-3-10 1205 Los Angeles Garden grown from seed brought from Baja Ca. MEX, recently found as chaparral plant in San Diego Co. Comment
Read comments
Mar 2 2013
  RSA624649  Orobanche fasciculata Louis C. Wheeler 1973-5-3 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  RSA579154  Orthocarpus purpurascens var. purpurascens Tim S. Ross, Darin Banks 1994-4-12 7496 B Los Angeles San Francisquito Canyon: westerly draw draining from ridge which divides S. Fr. Cyn from Dry Canyon ; ca 520 m SSE of where Drinkwater Canyon joins S. Fr. Canyon. 537 Comment
  RSA748459  Oxytheca parishii var. parishii R. G. Swinney 2001-8-18 8057 Los Angeles Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge. 2250 Comment
  RSA596088  Oxytheca trilobata Tim S. Ross, S. D. Boyd 1995-6-28 8630 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  JEPS57997  Oxytheca trilobata Frank W. Peirson 1921-6-14 1783 Los Angeles Tujunga Canyon San Gabriel Mountains 1280 Comment
  CAS-BOT-BC274176  Pappostipa speciosa Roxana S. Ferris 1918-6-12 947 Los Angeles 5 miles south of Lancaster Comment
  LA14372  Parapholis incurva Robert Fowler; 1942-5-12 sn Los Angeles Playa del Rey Comment
  UC1587727  Parapholis incurva Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-17 5135 Los Angeles 550 ft ssw of the 924' BM at the e end of the old airfield landing strip San Clemente Island 279 Comment
  RSA150835  Parietaria hespera Peter H. Raven 1962-5-9 19696 Los Angeles Canyon just north of Gray, San Clemente Island. 305 Comment
  SD85184  Parietaria hespera var. hespera E. R. Blakley 1963-12-7 6336 Los Angeles San Clemente Island; shallow canyon sloping to ocean, 200 feet north of Lighthouse, north of Pyramid Head. Comment
  UCR125609  Parietaria hespera var. hespera A. C. Sanders 2003-5-22 26823 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  RSA535687  Parietaria hespera var. hespera Tim S. Ross 1991-5-23 5480 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 6 Comment
  RSA605815  Paspalum dilatatum L. C. Wheeler 1966-10-27 9095 Los Angeles San Gabriel Mountains: Rincon Ranger Station. Comment
  SEINET239059 Image available Paspalum dilatatum Scott D. White 1997-5-8 5069 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom adjacent slopes below Morris Dam. (USGS 7.5' Azusa quad) 275 Comment
  UCR204906  Paspalum vaginatum R. E. Riefner Jr. 2006-7-29 06- 327 Los Angeles South Coast, city of Carson, near Victoria Park, Dominguez Channel at Del Amo Blvd. 7 Comment
  RSA0117525  Pectocarya penicillata A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37973 Los Angeles Tehachapi Mountains: Crane Canyon, 1.0 mi. SE (144 deg ) of Castac Lake, 1.7 mi. NE (43 deg ) of Gorman, just S of Kern Co. line. 1141 Comment
  UC440374  Pectocarya penicillata Carl Epling, Lincoln Ellison, Harvey Anderson 1930-4-17 Los Angeles Mojave Desert, Lancaster Comment
  RSA600041  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-25 9261 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  SBBG63503  Pectocarya setosa R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  RSA654215  Pedicularis semibarbata Valerie L. Soza, LeRoy Gross 2000-5-23 953 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  RSA729651  Pedicularis semibarbata R. G. Swinney 1998-7-2 6249 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  UCR223512  Pedicularis semibarbata R. G. Swinney 2009-7-29 11442 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  IRVC29544  Pellaea andromedifolia A. C. Sanders 2003-4-29 26162 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  RSA686718  Pellaea andromedifolia Blanche Trask 1900-03 s.n. Los Angeles Avalon, Catalina island Comment
  RSA686731  Pellaea andromedifolia V. Anderson 1973-4-21 s.n. Los Angeles Santa Catalina Island. Above Little Harbor at lookout near pullout. 61 Comment
  POM296975  Pellaea andromedifolia var. andromedifolia Karen Hosterman 1957-4-8 961 Los Angeles Santa Catalina Island: Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA229119  Pellaea mucronata subsp. californica R. F. Thorne, C. W. Tilforth 1971-6-29 40704 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA688935  Pellaea mucronata subsp. californica T. R. Pray 1956-11-17 1059 Los Angeles Crest of San Gabriel Mountains, E. of Lily Springs 2591 Comment
  POM155808  Pellaea mucronata var. mucronata M. B. Dunkle 1928-4-21 1872 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  RSA507539  Pennisetum clandestinum L. C. Wheeler 1967-8-13 10455 Los Angeles Soledad Canyon 0.8 mi ESE Long [Lang]. 549 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
  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
  NY583871  Penstemon centranthifolius M. E. Jones 05 1882 s.n. Los Angeles Comment
  UCR23177  Penstemon grinnellii Polly Schiffman 1981-5-23 025 Los Angeles Angeles National Forest, San Gabriel Mtns: 0.5 mi north of Red Box Ranger Station and 20 mi north of La Canada-Flintridge on Angeles Crest Hwy 1601 Comment
  RSA285694  Penstemon grinnellii subsp. grinnellii D. C. Michener 1980-6-29 3688 Los Angeles San Gabriel Mountains. Big Rock Creek road ca 0.5 mile northwest of Vincent Gap. Comment
  JEPS23214  Penstemon grinnellii var. grinnellii Rimo Bacigalupi with Reino Alava 1958-7-20 6427 Los Angeles along Angeles Crest Highway (State Highway 2) (along nw shoulder of Mt. Islip watershed of South Fork of Big Rock Creek); San Gabriel Mountains, Angeles National Forest 2164 Comment
  RSA549810  Penstemon grinnellii var. scrophularioides Wandalee Thompson 1964-6-16 50 Los Angeles Pine Canyon Rd, south side of N-2, 10 miles west of Elizabeth Lake, foot of Liebre Mountain 1128 Comment
  LA51902  Penstemon heterophyllus var. australis A. M. Johnson; 1932-5-30 4085 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  POM4267  Penstemon heterophyllus var. australis Philip A. Munz 1918-5-26 2276 Los Angeles Claremont. Near mouth of Live Oak Canyon. Comment
  PASA1028  Penstemon spectabilis M. Stason 1931-4-5 Los Angeles Wash near Azusa Comment
  RSA401895  Penstemon spectabilis var. spectabilis M. B. Dunkle 1934-5-26 3948 Los Angeles Big Pines Road. 1524 Comment
  SEINET13944982 Image available Perideridia oregana C. Epling, Wm. Robison 1935-1 sn Los Angeles Town Lodge near Weaverville Comment
  SEINET10639573  Perilla frutescens Heidi H. Schmidt, M. R. Weed 1999-10-12 Schmidt 3786 Los Angeles City of Santa Monica. Yaohan: 3760 Centinela Avenue: Santa Monica, CA: 90066: (310) 398-2113 - phone. 20 Comment
  CAS-BOT-BC355968  Perityle emoryi G. B. Grant 1906-9-1 7167 Los Angeles Santa Catalina Island 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
  RSA471856  Perityle emoryi E. C. Jaeger 1921-4-7 s.n. Los Angeles Palm Springs. Comment
  SD227880  Persicaria hydropiperoides Scott D. White 1997-5-14 5125 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mts. SW of I-210 Freeway, E of Hansen Dam and N of Wentworth St. USGS 7.5' Sunland quad. 320 Comment
  RSA127444  Petunia parviflora Peter H. Raven, Henry J. Thompson 1959-10-14 14621 Los Angeles East end of Malibu Lake. 221 Comment
  RSA421522  Phacelia bicolor Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA0084146  Phacelia bicolor E. K. Balls, N. N. Balls 1966-3-17 12121 Los Angeles 2.3 mi W of Llano - along Hwy 138, Palmdale to the Cajon Pass. Comment
  UC126018  Phacelia brachyloba Pupils of High School Los Angeles Los Angeles Comment
  UCR51948  Phacelia brachyloba Steve Boyd, T. S. Elias 1987-4-14 2067 Los Angeles San Gabriel Mtns., ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  POM175366  Phacelia cicutaria var. hispida E. Crow 1930-6-29 s.n. Los Angeles Near Crystal Lake. Comment
  UC1302892  Phacelia cicutaria var. hispida Peter H. Raven and Robert F. Thorne 1964-5-7 19010 Los Angeles near Seminole Hot Springs; Santa Monica Mountains, Saddle Rock Ranch Comment
  UC702028  Phacelia cicutaria var. hispida Frank W. Gould 1944-4-16 2301 Los Angeles in ravine near corner of Ardsheal Drive and Skyline Drive; Whittier hills Comment
  RSA348930  Phacelia cryptantha Robert F. Thorne 1973-4-24 43422 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA756901  Phacelia curvipes R. G. Swinney 2008-6-17 9027 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  UC284812  Phacelia distans P. A. Munz 1923-5-25 6813 Los Angeles Big Rock Creek San Gabriel Mts. 1280 Comment
  UCR277227  Phacelia distans R. G. Swinney 2011-4-19 14398 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA579873  Phacelia egena Tim S. Ross, Steve D. Boyd 1994-5-24 7852 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  RSA776550  Phacelia fremontii Orlando Mistretta, Christine Mistretta 2010-6-15 5321 Los Angeles Upper Big Tujunga canyon; Lynx Gulch. Along Lynx Gulch Road, 0.44 road miles N of junction with Upper Big Tujunga Canyon Road. 1018 Comment
  UCR250415  Phacelia fremontii Jeremiah George 2014-4-3 s.n. Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  RSA425038  Phacelia grandiflora Kathy Harper 1987-5-2 s.n. Los Angeles Santa Monica Mountains, Mulholland Hwy between Las Virgenes Valley overlook and Yerba Buena Rd. Comment
  UCR19173  Phacelia hubbyi John C. Roos 1947-5-4 3603 Los Angeles San Gabriel Valley, Kellogg Hill, in hills west of Pomona 305 Comment
  UCR124573  Phacelia imbricata B. C. Templeton 1932-6-19 4934 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  RSA428011  Phacelia imbricata Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  RSA134016  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-15 502 Los Angeles along road to Mt. Gleason, ca. 9 miles up Tujunga Canyon from highway 118. 976 Comment
  UC1167736  Phacelia imbricata subsp. imbricata Peter H. Raven and W. L. Wedberg 1957-6-15 10913 Los Angeles Latigo Canyon Rd at Newton Canyon Rd; Santa Monica Mountains Comment
  CATA1217  Phacelia lyonii Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2275 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA187964  Phacelia lyonii Robert F. Thorne 1966-4-7 35981 a Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  RSA746635  Phacelia minor R. G. Swinney 2008-4-10 8630 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Lodi Canyon, W of San Dimas Reservoir. 463 Comment
  RSA0089523  Phacelia mohavensis R. G. Swinney 2011-8-17 15627 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UC457333  Phacelia parryi Carl Epling 1931-5-2 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  POM346646  Phacelia parryi Barry Burnell 1971-4-23 319 Los Angeles Claremont, Pomona College Wash SE corner; Drainage area: Pacific slope 335 Comment
  LA38565  Phacelia ramosissima var. latifolia J. A. Ewan; 1932-6-28 7511 Los Angeles 99 Comment
  RSA647874  Phacelia ramosissima var. latifolia LeRoy Gross, Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 232 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 468 Comment
  RSA660095  Phacelia ramosissima var. ramosissima Orlando Mistretta 1992-6-12 545 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA682580  Phacelia tanacetifolia Amber Maurice, Laura Hoglin, Sylvia Rivera 2003-4-24 s.n. Los Angeles Gorman Pass, Tejon Ranch. Comment
  UC1069371  Phacelia viscida A. D. Gifford 1934-5-8 201 Los Angeles 3 mi e Cornell; Triunfo Pass Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR91362  Phacelia viscida Scott D. White 1995-3-15 2567 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA188291  Phalaris aquatica R. F. Thorne 1966-6-1 36500 Los Angeles Santa Catalina Island: Muddy margin of reservoir at upper end of Cape Canyon 335 Comment
  RSA703125  Phalaris aquatica R. E. Riefner Jr. 2004-10-24 4 -448 Los Angeles City of Whittier, Puente Hills, Puente Hills Habitat Conservation Authority Preserve, S along access road in watershed of Worsham Creek, S of Turnbull Canyon Road. 355 Comment
  UCD88040  Phalaris aquatica Jack Delaini; Barbara Shervanick 1974-5-23 209 Los Angeles Angeles National Forest. San Dimas Experimental Forest. Lodi Canyon. E ridge of canyon. 838 Comment
  UCD89264  Phalaris minor Robert F. Thorne; P. Everett 1965-5-11 34531 Los Angeles Santa Catalina Island. E side of Catalina Harbor. 45 Comment
  RSA729563  Phlox diffusa R. G. Swinney 1999-7-5 7501 Los Angeles San Gabriel Mtns.:Head of Cedar Canyon, ridge c. 200 m north of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2323 Comment
  RSA593018  Phlox gracilis Steve Boyd 1996-4-25 8727 Los Angeles Liebre Mountains, western summit of Liebre Mountain, along Forest Service Road 7N23 ca 4 mile NE of jtn with 7N22, near the head of Cold Canyon. 1622 Comment
  SBBG98536  Pholistoma auritum T. Ross 1991-5-21 5412 Los Angeles upper reaches of Box Cyn, SW side of island 411 Comment
  VVC928  Pholistoma membranaceum A. C. Sanders 1997-2-7 19670 Los Angeles Mojave Desert: Antelope Valley, Little Rock, W side of Little Rock Wash just N of the RR and among gravel pits. 832 Comment
  RSA459309  Pholistoma racemosum M. B. Dunkle 1928-4-10 1824 Los Angeles Johnson s Canyon; Santa Catalina Island. Comment
  SBBG37812  Pholistoma racemosum R. Moran 1941-2-17 574 Los Angeles Middle Ranch 152 Comment
  SEINET3994594 Image available Phoradendron juniperinum var. libocedri R. Krebill, G. Krebill 1965-4-22 K- 245 Los Angeles Angeles NF, Angeles Crest Hwy, 1/2 mile east of Vincent Gulch Divide Comment
  LA209881  Phoradendron leucarpum subsp. macrophyllum Louis C. Wheeler; 1932-1-10 437 Los Angeles San Jose Hills, Puddingstone Dam 304 Comment
  LA209891  Phoradendron leucarpum subsp. tomentosum Betty Studt; 1938-10-1 sn Los Angeles San Gabriel Mountains, Crystal Lake Comment
  RSA420796  Phoradendron macrophyllum Anstruther Davidson 1930-6-12 s.n. Los Angeles Switzers'. Comment
  JEPS42584  Phoradendron pauciflorum Frank W. Peirson 1918-8-17 32 Los Angeles San Gabriel Mts., Baldy 2286 Comment
  RSA755338  Phoradendron pauciflorum R. G. Swinney 2008-7-25 9309 Los Angeles Twin Peaks, west peak. 2299 Comment
  CAS-BOT-BC141142  Phoradendron serotinum subsp. macrophyllum Del Wiens 1954-1-10 893 Los Angeles intersection of Alexander and cucamonga avennues; Claremont 365 Comment
  CAS-BOT-BC141299  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-21 8317 Los Angeles Sanberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountains 1277 Comment
  CAS-BOT-BC141309  Phoradendron serotinum subsp. tomentosum L. R. Abrams 1924-4-2 10119 Los Angeles Mint Canon [canyon] Comment
  POM354329  Phoradendron villosum Anstruther Davidson 1892-7-4 s.n. Los Angeles Acton. Comment
  RSA623935  Phoradendron villosum Kathleen J. Wilder 1991-5-25 122 Los Angeles Angeles Crest Forest, Chilao campground, up Horse Flats hiking trail to Mt. Hillyer trail. 1677 Comment
  UC54954  Phyla lanceolata H. P. Chandler 1902-9-9 2034 Los Angeles Ballona Marshes Comment
  POM223069  Phyla nodiflora Louis C. Wheeler 1933-7-7 1925 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA544545  Phyla nodiflora Tim S. Ross, E. Kellogg 1992-4-11 6121 Los Angeles San Clemente Island: vicinity of Wilson Cove settlement. Introduced and locally naturalized. 87 degrees East, ca 770 m from 'Harbor' knoll (648 ft.) or ca 178 degrees S, 770 m distat from 32'BM at Wilson Cove. Comment
  UC1147890  Phyllospadix torreyi Robert F. Thorne 1966-4-4 35793 Los Angeles Bird Rock Santa Catalina Island (on rocks exposed at very low tide) 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
  OBI70644  Pickeringia montana var. montana Louis C. Wheeler 1947-4-13 6465 Los Angeles San Gabriel Mts; Millard Cyn 640 Comment
  CHSC26130  Pinus contorta subsp. murrayana B. Prigge 1970-4-12 109 Los Angeles 18 air minles north of San Dimas, 1 mile S of Dawson Saddle on State Hwy 2; San Gabriel Mountains. 2743 Comment
  CAS-BOT-BC73158  Pinus jeffreyi R. F. Thorne; L. E. DeBuhr 1972-8-18 42243 Los Angeles San Gabriel Mts., Angeles National Forest: just E along trail from peak of Mt. Islip. 2438 Comment
  UC1076348  Pinus monophylla Herbert L. Mason 1926-4-27 3035 Los Angeles Rock Creek San Gabriel Mts., Rock Creek Comment
Read comments
Sep 20 2011
  UC586928  Pinus monophylla Joseph Andorfer Ewan 1934-8-3 8409 Los Angeles on rocky slope s end Table Mt. San Gabriel Mts., Table Mt., Montaine Creek (head of Montaine Cr.) 2255 Comment
  UCSB97  Pinus monophylla Ralph, F. 1959-7-18 Los Angeles On U.S. 99, 6.9 miles S of its jct. with Calif. 138 762 Comment
  SEINET11737518  Pinus radiata R. H. Daily 1915-1 s.n. Los Angeles Los Angeles Comment
  RSA631080  Piperia cooperi Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island: 0.3 mile SSE Isthmus Bench Mark. 122 Comment
  CAS-BOT-BC254413  Piptatherum miliaceum A. J. McClatchie 1896-8-20 s.n. Los Angeles Near Los Angeles Comment
  RSA247409  Piptatherum miliaceum Jack Delaini 1974-4-25 124 Los Angeles Lodi Canyon, San Dimas Experimental Forest 488 Comment
  CATA2198  Pittosporum undulatum Sara L. Crockett, Michael Daligdig 1996-10-21 3 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  UCR88525  Pityrogramma triangularis Scott D. White, C. McGaugh 1995-5-16 3087 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  SDSU21094  Plagiobothrys arizonicus Ian Cain, Bruce Lund 2010-5-10 1403 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  IRVC26316  Plagiobothrys nothofulvus A. C. Sanders, Andy Thompson 2003-4-15 25983 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  POM368910  Plagiobothrys nothofulvus Thekla Mohr 1897-02 s.n. Los Angeles San Gabriel Comment
  UCD124377  Plantago arenaria Scott D. White; Pam Devries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River). 54 Comment
  CATA1212  Plantago coronopus Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2268 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  POM96026  Plantago erecta P. A. Munz 1926-4-4 10019 Los Angeles 2 miles north of Saugus. Comment
  SD39912  Plantago erecta EA Purer 1932-5-14 2945 Los Angeles El Segundo established dunes. Comment
  RSA401952B  Plantago lanceolata Edith Allen 1939-7-26 s.n. Los Angeles Playa Del Rey Comment
  SEINET8224917  Plantago ovata Jack Rempel \\N-3-20 15313 Los Angeles El Segundo. Comment
  RSA0089519  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  CAS-BOT-BC93188  Platanus racemosa Louis C. Wheeler 1931-10-16 258 Los Angeles Foothills 0.5 mile east Palmer Canyon, San Gabriel Mountains. 609 Comment
  HSC104222  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
  JEPS40303  Platanus racemosa Frank W. Peirson 1919-3-27 341 Los Angeles Arroyo Seco Canyon San Gabriel Mountains 411 Comment
  RSA0115473  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2086 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA401713A  Platanus racemosa Frances Runyan 1971-7-20 s.n. Los Angeles Near Davenport Road, Agua Dulce. Comment
  RSA652523  Platanus racemosa W. P. Yeager s.n. Los Angeles in hills 3 mi. So. of Covina. Comment
  UCR129419  Platanus racemosa A. C. Sanders, Mark Elvin 2002-6-18 25140 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  SBBG70067  Platystemon californicus M. N. Ackley 1926-5-6 774 Los Angeles Little Rock foothills 914 Comment
  RSA445699  Platystemon californicus Jennie Alberts 1884-3-22 s.n. Los Angeles W of Los Angeles Comment
  SEINET3131225  Platystigma denticulatum G. B. Grant 1009 Los Angeles Pasadena Comment
  RSA0086545  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA472107  Pluchea odorata L. C. Wheeler 1932-8-28 1305 Los Angeles Puddingstone Canyon, San Jose Hills, S. San Dimas. 259 Comment
  RSA472125  Pluchea sericea F. R. Fosberg 1931-4-3 4479 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  RSA484174  Poa annua Robert Gustafson 1981-4-14 2168 Los Angeles Ballona Wetlands, Area 2. Comment
  UCD90358  Poa annua R. R. Jeffries 1932-3-10 s.n. Los Angeles Van Nuys. Comment
  UCR49034  Poa annua Steve Morgan 1974-5-1 94 Los Angeles San Gabriel Valley, 1212 E. Las Tunas Dr., San Gabriel 183 Comment
  RSA589235  Poa secunda Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2911 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
  UCR276823  Poa secunda R. G. Swinney 2010-5-21 12878 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  CAS-BOT-BC236186  Poa secunda subsp. secunda 1900-4-11 s.n. Los Angeles Mount Lowe Comment
  SBBG47144  Poa secunda subsp. secunda K. K. Muller 1972-5-2 3080 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  RSA305067  Polygonum aviculare subsp. aviculare Dave Dunn 1941-3-3 696 Los Angeles Pacific Electric tracks on Santa Monica Blvd. 2 blocks east of Sepulveda. Comment
  UC56646  Polygonum aviculare subsp. aviculare Miss E. D. Palmer before Feb 1902 Los Angeles Vicinity of Los Angeles Comment
  RSA764408  Polygonum hydropiperoides Justin M. Wood 2009-8-18 1259 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  RSA653385  Polygonum hydropiperoides LeRoy Gross 2000-8-25 262 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Orcas Park, entered from Foothill Blvd onto Orcas Ave. Hiked west from park, heading toward Hansen Dam. 325 Comment
  UCR158843  Polygonum lapathifolium Scott D. White 1994-7-14 2254 Los Angeles Transverse Ranges; San Gabriel Mountains, San Dimas Canyon; along San Dimas Canyon Road 396 Comment
  RSA654557  Polygonum lapathifolium Benjamen Rangel 1992-4-11 777 5 a Los Angeles Behind the Olivos Commons at Cal Poly Pomona University. Comment
  UCR208029  Polypodium californicum F. R. Fosberg 1931-3-24 R- 80 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  UCR270475  Polypodium californicum R. G. Swinney 2011-11-1 15936 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCSB62361  Polypodium californicum Kiefer, Lawrence 1967-1-29 Los Angeles San Gabriel Mtns., NE of Sunland, Ybarra Canyon, tributary of Big Tujunga Canyon, near the confluence of the two streams 548 Comment
  UCSB62381  Polypodium californicum Kendall, M. 1921-3-21 Los Angeles Lone Hill, San Dimas Comment
  UCSB8305  Polypodium californicum Olsen, Meryl 1954-4-19 Los Angeles Little Dalton Canyon in San Gabriel Mtns. 548 Comment
  POM920  Polypodium californicum P. A. Munz 1918-4-5 2018 Los Angeles Pomona. Comment
  UCSB62299  Polypodium californicum Kiefer, Lawrence 1966-11-12 Los Angeles San Gabriel Mtns., Iron Fork of the E Fork of the San Gabriel River, ca. 0.5mi up from Iron Fork Camp 1036 Comment
  UCSB62423  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  UCSB62473  Polypodium californicum Kendall, M. 1921-2-11 Los Angeles Fish Canon Comment
  UC1108609  Polypogon interruptus Huron H. Smith 1912-6-14 5109 Los Angeles Silver Canyon Santa Catalina Island; Santa Catalina Isl., Silver Canyon 365 Comment
  RSA651765  Polypogon monspeliensis Mary D'Arche 1981-5-27 81 -27 Los Angeles Frank Bonelli Park, N of lake, 2 miles from Brackett field. [Puddingstone Reservoir, near the 210 Fwy 10 Fwy & 57 Fwy interchange] Comment
  UCR125966  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-19 25159 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  UCR209927  Polypogon monspeliensis R. G. Swinney 2008-7-12 9168 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  RSA0011353  Polypogon viridis Orlando Mistretta, Youssef Atallah 2011-8-16 6058 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA191036  Polypogon viridis R. F. Thorne 1963-1 s.n. Los Angeles Rancho Santa Ana Botanic Garden, Claremont. 396 Comment
  RSA90270  Polypogon viridis F. W. Peirson 1920-9-17 4328 Los Angeles San Antonio Canyon, San Gabriel Mountains. 1341 Comment
  RSA747774  Polystichum imbricans subsp. curtum Scott D. White, Justin M. Wood 2009-5-6 12658 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  UCR217311  Populus balsamifera subsp. trichocarpa R. G. Swinney 2009-2-20 10020 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  CAS-BOT-BC102550  Populus fremontii Joseph Ewan 1937-8-23 11056 Los Angeles Tujunga Creek near mouth of the canyon. San Gabriel Mts. Tujunga Canyon Comment
  LA208526  Populus fremontii subsp. fremontii Mary V. Hood; 1946-4-21 46- 31 -k* Los Angeles Solidad Canyon 426 Comment
  LA208528  Populus fremontii subsp. fremontii K. Larson; J. Neel 1950-4-29 43 -b Los Angeles 5 mi. S of Lake Hughes Comment
  SEINET10629187  Prunus dulcis Heidi H. Schmidt 1999-10-10 Schmidt 3909 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  CHSC98716  Prunus fasciculata var. fasciculata LeRoy Gross 2005-5-3 2184 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rockl Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. Growing along Valyermo Road, clump in a side canyon. T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31. 1149 Comment
  UC1595346  Prunus ilicifolia Tim Ross 1992-5-17 6361 Los Angeles 740 m distant from the mouth of Shoemaker Canyon (East Fork of the San Gabriel River, San Gabriel Mountains); San Gabriel Mountains, San Gabriel River 713 Comment
  UCR219560  Prunus ilicifolia R. G. Swinney 2009-3-28 10209 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  UCR95522  Prunus ilicifolia Steve Boyd, Lauren Raz 1996-10-8 8982 Los Angeles Liebre Mtns. Region, Plum Canyon southwest of Cruzan Mesa along Arline Road c. 2 miles west of junction with Sierra Highway in Mint Canyon 610 Comment
  RSA248896  Prunus lyonii Robert F. Thorne 1973-4-12 42955 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  RSA719578  Prunus virginiana subsp. demissa R. G. Swinney 1997-7-22 5693 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area. 2073 Comment
  CAS-BOT-BC154779  Prunus virginiana var. demissa Joseph Ewan; Nesta D. Ewan 1936-7-19 9751 Los Angeles Prairie Fork, San Gabriel Mts. 2194 Comment
  RSA600127  Pseudognaphalium biolettii L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  SBBG19132  Pseudognaphalium biolettii M. A. Piehl 1963-12-7 631078 Los Angeles opposite Pyramid Head on SE tip of island 12 Comment
  SBBG98496  Pseudognaphalium biolettii T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5246 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 388 Comment
  SEINET4006972 Image available Pseudognaphalium biolettii R. Moran 1941-1 595 Los Angeles Middle Ranch, San Clemente Island. 500 Comment
  CAS-BOT-BC356545  Pseudognaphalium biolettii E. R. Blakley 1962-6-10 5226 Los Angeles California Channel Islands. Wilson Cove. San Clemente Island 30 Comment
  UCSB7171  Pseudognaphalium biolettii Haller, Norman 1953-3-3 Los Angeles Top of Faculty Hill, U.C.L.A. Comment
  UC1595406  Pseudognaphalium microcephalum Tim Ross and Annette H. Ross 1991-7-29 5686 Los Angeles Elephant Hill Puente Hills, San Dimas Quadrangle, West Pomona, Elephant Hi (West Pomona, n most point of the Puente Hills, on San Dimas USGS 7.5 ft quad, on rocky xeric sw ridge) 310 Comment
  RSA591995  Pseudognaphalium stramineum Mark Hoefs 1974-4-30 430 Los Angeles Santa Catalina Island: by trail in Hermit's Gulch. 91 Comment
  RSA596068  Pseudognaphalium stramineum L. C. Wheeler 1946-8-28 6285 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  RSA31095  Pseudotsuga macrocarpa Victor Duran 1933-7-27 3537 Los Angeles Little Rock Creek 1677 Comment
  SBBG98618  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  SBBG98631  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  UCR219478  Pterostegia drymarioides R. G. Swinney 2009-3-19 10146 Los Angeles San Gabriel Mtns. Foothills, Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, c. 100 m north of Hwy 39 230 Comment
  IRVC27020  Pulicaria paludosa Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2995 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  UCR197791  Purshia glandulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 80 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  RSA316366  Purshia tridentata var. glandulosa Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54993 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
  UC1128514  Purshia tridentata var. glandulosa R. St. John 1930-2-26 104 Los Angeles Hungry Valley and Peace Valley; Tejon Quad. 914 Comment
  RSA717700  Quercus Gary D. Wallace 1987-5-5 2647 Los Angeles Monrovia. Gold Hill. Comment
  SDSU6983  Quercus X macdonaldii R. M. Beauchamp 1966-8-8 47 Los Angeles On bank overlooking road south of Avalon. Santa Catalina Island. 122 Comment
  UCD46924  Quercus X macdonaldii Robert F. Thorne 1967-5-18 36863 Los Angeles Santa Catalina Island: Middle Bulrush Canyon. 243 Comment
  RSA172332  Quercus agrifolia var. agrifolia Robert F. Thorne 1963-5-5 32290 Los Angeles slopes of upper Cobal Canyon, ca. 4 miles N of Claremont 518 Comment
  SD253457  Quercus agrifolia var. agrifolia R. G. Swinney 2011-11-3 15987 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water, 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt Wilson 7.5'Q) 622 Comment
  CHSC95811  Quercus berberidifolia LeRoy Gross 2000-10-28 304 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in the city of Glendale. Following fire break up to main crest (to Beaudry fire road). 487 Comment
  HSC8117  Quercus berberidifolia C. E. Fellows 1965-12-20 188 Los Angeles City of Tarzana 2 mi S of Ventura blvd. on Roseda Blvd. across from Deauville Country Club Comment
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Oct 13 2014
  RSA608714  Quercus berberidifolia Louis C. Wheeler 1931-3-30 s.n. Los Angeles Claremont: College Way. Comment
  RSA616075  Quercus berberidifolia Scott D. White 1997-1-15 6052 Los Angeles San Gabriel Mtns: Santa Clara River Watershed: mapped 'jeep trail' between Pole Cyn. and Bear Cyn. 793 Comment
  RSA653365  Quercus berberidifolia LeRoy Gross 2000-10-28 303 a Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  UCD45268  Quercus berberidifolia Daryl Koutnik 1978-4-28 s.n. Los Angeles Common shrub on dry hillside with Juniperus californica. Cornell Corners, south of Agoura Road on Cornell Road. Elevation 1000 feet. 304 Comment
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Oct 1 2018
  RSA476910  Quercus chrysolepis George B. Grant 1902-5-27 156 Los Angeles Little Santa Anita Canyon, Sierra Madre Mts. Comment
  RSA476912  Quercus chrysolepis George B. Grant 1904-6-14 1380 Los Angeles Mt. Wilson. 1524 Comment
  CAS-BOT-BC86207  Quercus dumosa Alice Eastwood 1917-7-20 6520 Los Angeles Santa Catalina Island Comment
  RSA655779  Quercus durata var. gabrielensis LeRoy Gross, Laura Moore 2000-6-5 225 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  UCSB69535  Quercus engelmannii Thorne, Robert 1980-4-26 Los Angeles Channel Islands; Santa Catalina Island, Blackjack Camp; W slope of Blackjack Peak Comment
  POM19067  Quercus john-tuckeri P. A. Munz 1923-5-25 6822 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  UCR186916  Quercus john-tuckeri A. C. Sanders 2006-4-25 32176 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
  CAS-BOT-BC105250  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8031 Los Angeles Liebre Mountains. Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  RSA476810  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  RSA476812  Quercus kelloggii F. H. Elmore 1936-4-27 278 Los Angeles Near Big Pines. Comment
  UCSB1114  Quercus pacifica Muller, Cornelius 1953-5-2 Los Angeles Swain Canyon, lower end, Catalina Island Comment
  UCSB58641  Quercus pacifica Fosberg, F. 1932-5-7 Los Angeles Canyon above Hay Press, Santa Catalina Island Comment
  SJSU637  Quercus tomentella F. R. Fosberg 1931-7-16 S 5607 Los Angeles Gallagher's Canyon rt fk, Santa Catalina Island 99 Comment
  LA30789  Quercus wislizeni Jo Ann W. Flock; 1958-12-20 12 Los Angeles Liebre Mt., 0.5 mi. E of Horse Trail Public Camp 914 Comment
  UCR270039  Quercus wislizeni R. G. Swinney 2011-7-21 15538 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 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
  RSA188369  Rafinesquia californica R. F. Thorne, Percy C. Everett 1965-6-22 34888 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  RSA561607  Rafinesquia californica Steve Boyd, Orlando Mistretta 1993-5-18 8156 Los Angeles Upper Sombrero Canyon, just below western end of Sombrero Rd. (3N64) 792 Comment
  RSA95055  Rafinesquia californica F. W. Peirson 1923-4-11 3474 Los Angeles In canyon below farm buildings at Eagle Ranch, San Clemente Island Comment
  LA52188  Ranunculus californicus A. M. Johnson; 1928-2-16 126 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA52189  Ranunculus californicus Mary Reynolds; 1937-4-12 95 Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  POM281599  Ranunculus cymbalaria var. saximontanus Lyman Benson 1956-1 s.n. Los Angeles Claremont. Comment
  UC1971212  Ranunculus hebecarpus Louis C. Wheeler 1969-5-4 Los Angeles SAN GABRIEL MOUNTAINS: East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. Comment
  RSA598219  Raphanus raphanistrum Sara L. Crockett, Steven A. Junak, Gery Allan, Mark Hoefs 1996-10-31 553 Los Angeles Lowe Cape canyon. 198 Comment
  SEINET9119079  Raphanus sativus E. Adams 1978-1 S.N. Los Angeles Altadena, Eaton Canyon. Grassy hillside. Comment
  RSA11698  Rhamnus californica Fay A. MacFadden 1931-4-10 2577 Los Angeles Dry hillsides, Tejunga [Tujunga] Canyon 427 Comment
  RSA657375  Rhamnus californica Joseph M. Keefe 2001-1-24 31032 Los Angeles Verdugo Mountains: East side of Arroyo Seco, 2 meters west of curb, across street from 1590 Arroyo Boulevard at Howard Street, Pasadena. 250 Comment
  RSA779453  Rhamnus californica R. G. Swinney 2009-6-17 11224 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  UCR273287  Rhamnus californica subsp. californica R. G. Swinney 2011-5-19 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 'Millie's Apple Orchard 912 Comment
  CAS-BOT-BC133219  Rhamnus crocea A. C. Sanders; Mitch Provance; T. B. Salvato 2009-6-1 37082 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 Arrow Hwy and south of Duarte 140 Comment
  CAS-BOT-BC59941  Rhamnus crocea Mary H. Ward; Shirley W. Campbell 1970-4-2 LASCA- 888 Los Angeles Along lower reach of Arroyo Seco, southwestern Pasadena. Comment
  RSA669702  Rhamnus crocea LeRoy Gross, Naomi Fraga, Bill Hogshead 2002-3-21 501 Los Angeles Southwest side; South of La Tuna Canyon Road, at end of Morning Glow Way. On northwest facing slope, in small canyon above (east) of Village Christian School in Sun Valley. 366 Comment
  CAS-BOT-BC56011  Rhamnus ilicifolia Mrs. S. Earle Kelley 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA1646  Rhamnus ilicifolia Ralph Hoffmann 1931-5-3 328 Los Angeles Western edge of Antelope Valley, 3 miles east of Elizabeth Lake. Comment
  CAS-BOT-BC59777  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mi. from Middle Ranch on road to Black Jack Peak. 274 Comment
  CAS-BOT-BC59791  Rhamnus pirifolia Geo. B. Grant 1906-9-1 7176 Los Angeles Catalina Island. Comment
  RSA3558  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3502 Los Angeles Avalon Canyon, Santa Catalina Island. 122 Comment
  RSA3559  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 122 Comment
  UCR143164  Rhamnus pirifolia Reid Moran 1941-2-2 608 Los Angeles Channel Islands, Santa Catalina Island, Johnson's Valley 20 Comment
  CAS-BOT-BC59782  Rhamnus pirifolia Mr. J. G. Baker s.n. Los Angeles unspecified. Comment
  UCSB16181  Rhus aromatica Swenson, Ronald 1963-5-3 Los Angeles Mint Canyon Campground, 7.7 mi. E of Solemint on U.S. Highway 6 Comment
  CAS-BOT-BC167910  Rhus integrifolia Chas. E. Miller 1917-9-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA386490  Rhus integrifolia L. C. Wheeler 1933-3-31 1560 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. 152 Comment
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May 29 2014
  RSA386492  Rhus integrifolia A. M. Johnson 1933-5-20 4286 Los Angeles Azusa flats. Comment
  RSA535706  Rhus integrifolia T. S. Ross 1991-5-23 5504 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment. 8 Comment
  RSA610780  Rhus integrifolia L. C. Wheeler 1933-6-17 1862 Los Angeles Claremont 365 Comment
  SBBG128348  Rhus integrifolia D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 1 Los Angeles Deer Valley Trail 4 Comment
  SBBG19195  Rhus integrifolia M. A. Piehl 1963-12-8 631090 Los Angeles 0.25 mi from mouth of Cave Cyn 9 Comment
  SD31164  Rhus integrifolia Edith A. Purer 1931-2-21 155 Los Angeles Palos Verdes Hills Comment
  UCR209048  Rhus integrifolia Dan S. Cooper 2009-2-24 s.n. Los Angeles Santa Monica Mountains, Beverly Hills, near upper end of Laurel Way in lower Franklin Canyon 235 Comment
  UCR260405  Rhus integrifolia R. G. Swinney 2010-4-30 12451 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  POM2722  Rhus ovata I. M. Johnston 1918-6-2 s.n. Los Angeles San Antonio Canon Wash (Between upland and Claremont) 365 Comment
  LA209581  Rhus trilobata Henry J. Thompson; Los Angeles Santa Monica Mountains, Mulholland Drive Comment
  SD112956  Rhus trilobata var. pilosissima Darley F. Howe 1915-1 4 Los Angeles Claremont Comment
  RSA550390  Rhus trilobata var. quinata T. S. Ross 1992-7-10 6638 Los Angeles Big Tujunga Canyon, 310 m E of where Coldwater Canyon meets Big Tujunga Creek; E side of road to Colby Ranch. 963 Comment
  CAS-BOT-BC92272  Ribes amarum Tim Ross; Steve Boyd 1991-4-25 4614 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon. 530 Comment
  CAS-BOT-BC92287  Ribes amarum Louis C. Wheeler 1932-3-20 525 Los Angeles San Gabriel Mountains. San Dimas Canyon. 533 Comment
  RSA0009704  Ribes amarum Marcus E. Jones 1882-2-25 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC92432  Ribes aureum var. gracillimum Ellsworth Bethel s.n. Los Angeles Monrovia. Comment
  LA205466  Ribes aureum var. gracillimum J. Sauer; T. Brothers 1979-5-6 6069 Los Angeles Soledad Canyon, near Ravenna Comment
  RSA476434  Ribes aureum var. gracillimum Anstruther Davidson 1890-05 s.n. Los Angeles San Gabriel [River] near El Monte. Comment
  RSA602050  Ribes aureum var. gracillimum Scott D. White 1997-5-7 5068 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I-210 freeway, E of Hansen Dam, and N of Wentworth St. 320 Comment
  UCR205541  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36899 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  CAS-BOT-BC92456  Ribes aureum var. gracillimum H. E. McMinn 1924-8-4 1224 Los Angeles Huntington Drive near Pasadena. Comment
  UC457234  Ribes cereum Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  RSA476141  Ribes cereum var. cereum C. Epling 1931-5-16 s.n. Los Angeles San Gabriel Mountains. Big Pines Camp. Comment
  RSA796268  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera. 122 Comment
  RSA0025055  Ribes indecorum Carl B. Wolf 1928-4-1 1617 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UC79751 Image available Ribes indecorum C. F. Baker 1904-2-17 4009 Los Angeles Claremont Comment
  UCR125624  Ribes indecorum A. C. Sanders 2003-5-22 26816 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  CAS-BOT-BC173439  Ribes malvaceum A. J. McC. 1892-1-8 69 Los Angeles San Ber. Mts, near Pasadena Comment
  RSA27109  Ribes malvaceum Roxana S. Ferris 1941-3-10 10324 Los Angeles Ridge west of US Hwy 99, near Pico Canyon road, Santa Susana Mtns. 473 Comment
  RSA615372  Ribes malvaceum var. viridifolium Scott D. White, Pam DeVries 1997-12-3 6036 -A Los Angeles San Gabriel Mts., San Gabriel River Canyon: N of Azusa; alluvial bench S of unnamed dirt access road to gauging stn. below Morris Dam; just SE of private orchard. 259 Comment
  RSA651626  Ribes malvaceum var. viridifolium R. Carlston 1961-5-11 s.n. Los Angeles Sierra Madre Canyon. Comment
  RSA0021939  Ribes montigenum Robert F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41074 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  POM18069  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA0023185  Ribes quercetorum Steve Boyd, Lauren Raz 1997-3-26 9348 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UCR95527  Ribes quercetorum Steve Boyd 1996-4-25 8679 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  SD37417  Ribes speciosum J. McCulloch 1931-3-1 Los Angeles El Segundo Comment
  UCD65153  Ribes viburnifolium G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7756 Los Angeles CATALINA ISLAND: Salta Verde, slopes W of Cactus Peak. 300 Comment
  RSA0110805  Ricinus communis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14335 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg ) NNW of the trailhead. 451 Comment
  RSA279083  Robinia pseudoacacia R. F. Thorne 1971-4-9 41518 Los Angeles San Gabriel Mountains, Angeles National Forest: San Dimas Canyon near dam on San Dimas Creek 457 Comment
  CAS-BOT-BC74535  Rorippa curvisiliqua A. C. Sanders 2003-5-26 25860 Los Angeles San Gabriel Valley. On boundary between Irwindale and Azusa, east of Irwindale Avenue and south of Foothill Boulevard. 171 Comment
  UCR219562  Rorippa curvisiliqua R. G. Swinney 2009-3-31 10219 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 0.7-1.2 mi. north and NE of Foothill Blvd, Azusa/Duarte 213 Comment
  RSA550413  Rosa californica Tim S. Ross 1972-7-10 6673 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater and Wickiup Canyons. 968 Comment
  SBBG128444  Rosa californica M. L. Hoefs 1995-5-23 2143 Los Angeles upper Middle Cyn 225 Comment
  SD260300  Rosa californica R. G. Swinney 2011-6-1 14938 Los Angeles San Gabriel Mountains: Mill Creek, 0.1 - 0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy. 1096 Comment
  RSA763107  Rosa woodsii R. G. Swinney 2008-8-13 9360 Los Angeles Icy Springs, tributary of Big Rock Creek. 1756 Comment
  CAS-BOT-BC146958  Rosa woodsii var. gratissima H. M. Hall 1900-6-3 1513 Los Angeles West of Swarthout Canyon, 7 mi. E. of Rock Creek 1889 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
  POM366431  Rubus ursinus Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  RSA86836  Rubus ursinus F. W. Peirson 1919-4-19 380 Los Angeles Pacoima Canyon, western end of San Gabriel Mountains. 610 Comment
  UCR269977  Rumex R. G. Swinney 2010-6-29 13390 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  SBBG131917  Rumex conglomeratus S. A. Junak 2000-6-29 SCa 1351 Los Angeles NE end of Haypress Reservoir 399 Comment
  UCR281823  Rumex conglomeratus Mitch Provance, Scott Duff 2017-6-29 617- 57 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, SCE corridor, vicinity of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  UCR195285  Rumex crispus Valerie Soza, LeRoy Gross 2001-5-9 1189 Los Angeles Transverse Ranges: Verdugo Mountains Region, Southern San Rafael Hills, south of Scholl Canyon, Sleepy Hollw Drive to Valle Vista fire road 274 Comment
  UCR205079  Rumex crispus R. G. Swinney 2008-4-9 8625 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  RSA466075  Rumex crispus F. R. Fosberg 1930-6-26 S 3041 Los Angeles Lower Ballona Creek. 8 Comment
  PASA1507  Rumex persicarioides Louis C. Wheeler 1932-9-19 1394 Los Angeles Los Angeles River at the Los Felis Bvd. Comment
  CAS-BOT-BC433756  Rumex pulcher LeRoy Abrams 1902-5-31 2479 Los Angeles Inglewood. Comment
  SBBG128411  Rumex salicifolius M. L. Hoefs 1995-5-23 2134 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  SBBG126927  Rumex stenophyllus A. Parikh, N. Gale 2010-5-21 3393 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  RSA348832  Rupertia physodes L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest Comment
  CAS-BOT-BC445708  Sagittaria latifolia Geo. B. Grant 1904-8-20 6412 Los Angeles Los Angeles River Comment
  UCR222742  Salazaria mexicana R. G. Swinney 2009-4-29 10611 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  LA212246  Salazaria mexicana Lee Haines; 1954-5-16 s.n. Los Angeles Pines-to-Palms Highway, West slope of Deep Canyon. 1158 Comment
  CAS-BOT-BC103161  Salix bonplandiana Peter H. Raven 1962-5-20 17790 Los Angeles Santa Catalina Island, Cape Canyon Comment
  RSA0062558  Salix exigua R. G. Swinney 2010-4-15 12265 Los Angeles Upper Lime Kiln Cyn., 1.2-1.5 miles east of Pacoima Wash, 0.3 to 0.6 miles NE of Limekiln Cyn. fork, due south of Kagel Mt. 695 Comment
  SBBG58923  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Crk, below Castaic 300 Comment
  UC1375348  Salix exigua var. hindsiana Robert F. Thorne 1971-6-26 40628 Los Angeles at mouth of Big Tujunga Canyon; San Gabriel Mts., Angeles Nat'l Forest 426 Comment
  UC437364  Salix exigua var. hindsiana I. M. Johnston 1917-8-23 1685 Los Angeles Prairie Fork of San Gabriel R.; San Antonio Mts. 1524 Comment
  UC846159  Salix exigua var. hindsiana Ivan Johnston 1917-5-13 1242 Los Angeles El Monte 91 Comment
  UCR209143  Salix gooddingii Dan S. Cooper 2009-1-29 109- 26 Los Angeles Los Angeles Basin, Athens area, SW corner of W 135th St. and Main St., South Los Angeles 34 Comment
  JEPS14880  Salix laevigata Ernest Braunton 1932-4-17 1067 Los Angeles Tujunga Canyon; San Gabriel Mts. 609 Comment
  RSA0082587  Salix laevigata R. G. Swinney 2010-6-4 12996 Los Angeles Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon. 476 Comment
  SD1034  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 14 Comment
  UC506443  Salix laevigata Carl Hedin and Joseph Ewan 1932-4-30 7692 Los Angeles stream along Baldwin Hills near Higuera Rd. Culver City Comment
  RSA0030860  Salix laevigata var. araquipa F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. 15 Comment
  LA208835  Salix lasiandra John O'Leary; 1975-5-14 366 Los Angeles at base of Tehachapi Mountains, about 1.4 mi SE of Gorman 1127 Comment
  CAS-BOT-BC128128  Salix lasiandra var. lasiandra Carl W. Sharsmith 1932-1-17 12 Los Angeles At bottom of Lower San Gabriel Canyon, about 11 km. above Azusa 300 Comment
  POM182039  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles At top of grade between Calabasas and Agoura. 285 Comment
  UC492414  Salix lasiolepis Carl W. Sharsmith 1932-1-17 7 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 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
  UCR271603  Salix lasiolepis R. G. Swinney 2011-10-13 15774 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA0034691  Salix lasiolepis F. R. Fosberg 1932-1-26 7172 Los Angeles Between Calabasas and Agoura. 285 Comment
  RSA223710  Salsola gobicola E. C. Twisselmann 1970-9-8 17478 Los Angeles Antelope Valley: Avenue A at 50th Street West. 732 Comment
  RSA608298  Salsola gobicola L. C. Wheeler 1946-8-29 6323 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  CHSC106738  Salsola tragus R. E. Riefner Jr. 2007-5-12 07 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. UTM: (NAD 83) 11S 0352824E 3812534N. 331 Comment
  SFV6864  Salsola tragus T. Gordon, K. A. Wilson, D. R. Perry 1974-8-14 570 Los Angeles Mojave Desert County Road N4 about 0.5 miles south of Highway 138. 1070 Comment
  RSA607578  Salsola tragus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  POM175353  Saltugilia splendens subsp. grantii E. Crow 1930-6-29 s.n. Los Angeles Trail near Crystal Lake. Comment
  UC1375408  Saltugilia splendens subsp. grantii Robert F. Thorne 1969-7-2 38300 Los Angeles along Angeles Crest Hwy 3.2 mi wsw Cloudburst Summit (Angeles National Forest, San Gabriel Mts.); San Gabriel Mts., Angeles National Forest 1981 Comment
  RSA67055  Saltugilia splendens subsp. grantii Verne Grant, Alva Grant 1951-6-11 16030 Los Angeles Along road to Mt. Wilson about 2 miles W of summit 1220 Comment
  RSA71817  Saltugilia splendens subsp. grantii Joseph A. Ewan 1929-7-9 2063 Los Angeles Dry gravelly bank, Old Wilson Trail above Orchard Cp., San Gabriel Mountains. 1220 Comment
  UC1349022  Salvia Robert F. Thorne and P. Everett 1965-5-10 34431 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 274 Comment
  RSA155805  Salvia apiana M. B. Dunkle 1928-4-21 1875 Los Angeles Santa Catalina Island: Renton Mine Hill. 366 Comment
  UC620095  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Cape Canyon Cape Canyon, Santa Catalina Island; Santa Catalina Island 280 Comment
  UCR139208  Salvia apiana William Emboden 1968-5-28 23 Los Angeles San Gabriel Mountains, above Arcadia (Anderson site) Comment
  UCSB9271  Salvia apiana McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Road; Granada Hills 457 Comment
  RSA411299  Salvia apiana Howard Mullins 1931-4-19 s.n. Los Angeles Hillside chaparral, Flintridge Comment
  RSA549546  Salvia columbariae Tim S. Ross 1992-4-4 6086 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  UCR270522  Salvia columbariae R. G. Swinney 2010-4-13 12182 Los Angeles San Gabriel Mountains, 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  OBI53680  Salvia columbariae John Liu, Tony, John and Joseph 1994-5-10 17 Los Angeles Santa Monica Mts, Calabasas. 1 mi on Stut Rd from jct with Mulholland Hwy Comment
  UCR224374  Salvia dorrii Justin M. Wood 2010-5-10 1562 Los Angeles San Gabriel Mountains, Little Rock Creek, downstream of Little Rock Reservoir, within 0.25 mi of the dam 966 Comment
  CAS-BOT-BC214317  Salvia dorrii var. pilosa B. Ertter; J. Strachan 1979-6-29 3007 Los Angeles N edge of Angeles Nat'l Foerst ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on county Hwy N4 1463 Comment
  RSA249769  Salvia dorrii var. pilosa Robert F. Thorne, C. W. Tilforth 1973-4-20 42986 Los Angeles San Gabriel Mountains. 1143 Comment
  RSA304336  Salvia dorrii var. pilosa Barbara Ertter, J. Strachan 1979-6-29 3007 Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearlblossom, 1.7 mi N of Mile High on County Hwy N4. 1463 Comment
  UC483477  Salvia dorrii var. pilosa A. D. E. Elmer Jun 1902 3696 Los Angeles Vincent Comment
  PASA487  Salvia mellifera Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA147824  Salvia mellifera Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA533423  Salvia mellifera Tim S. Ross 1991-4-21 4532 Los Angeles Whittier Hills (Puente Hills, pro parte): Middle Turnbull Canyon, vicinity of old water tank. 229 Comment
  UC311249  Salvia mellifera Philip A. Munz 1926-4-4 10014 Los Angeles 2 mi n Saugus Comment
  HSC14371  Salvia spathacea C. S. Apperson 1967-6-24 Los Angeles 0.5 mi. up Stunt Canyon Rd. off Mullholland Dr., Santa Monica Mtns. Comment
  POM296988  Sambucus mexicana Karen Hosterman 1957-4-8 962 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA584846  Sambucus mexicana T. S. Ross 1993-6-1 7362 a Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  RSA611612  Sambucus mexicana J. Gural 1997-3-19 29 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  UC1125369  Sambucus mexicana R. St. John 1930-2-15 96 Los Angeles Pico Canyon Santa Susana Quadrangle 533 Comment
  UC1584922  Sambucus mexicana Tim Ross 1991-4-8 4478 Los Angeles Elephant Hill San Dimas 7.5' quadrangle, western Pomona (n slope) 265 Comment
  UCR213413  Sambucus mexicana A. C. Sanders, Dan S. Cooper 2010-3-12 37334 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  IRVC28669  Sambucus mexicana A. C. Sanders, Mark Elvin 2002-6-18 25107 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  CAS-BOT-BC238720  Sambucus nigra subsp. caerulea Geo. B. Grant 1900-3-29 2366 Los Angeles Avalon Comment
  CATA950  Sambucus nigra subsp. caerulea Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1815 Los Angeles Santa Catalina Island: Cottonwood Canyon, southeast of El Rancho Escondido 45 Comment
  HSC3989  Sambucus nigra subsp. caerulea C. E. Fellows 1965-9-3 126 Los Angeles San Monica Mtns., 1/10 mi. W of intersection of Las Virgenes Rd. on Mulholland Rd., N side of road. Comment
  UCR259635  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  POM19017  Sanicula arguta P. A. Munz 1923-4-9 6659 Los Angeles San Clemente Island, east coast. Comment
  CATA1470  Sanicula crassicaulis Mark L. Hoefs, Robert F. Thorne 1996-4-6 2660 Los Angeles Santa Catalina Island: Upper Avalon Canyon, Hermit's Gulch Trail, where trail crosses stream 164 Comment
  JEPS273  Sanicula crassicaulis Frank W. Peirson 1919-5-18 431 Los Angeles San Gabriel Mountains, Monrovia Canyon Monrovia Canyon; San Gabriel Mountains, Monrovia Canyon 609 Comment
  LA32980  Sanicula crassicaulis Louis C. Wheeler; 1932-4-2 Los Angeles Santa Monica Mountains, Head of Mandeville Canyon 487 Comment
  RSA564435  Schinus terebinthifolius Steve Boyd 1994-1-31 s.n. Los Angeles Claremont: RSABG: Indian Hill Mesa. One of several volunteer plants on the mesa, NNW of the Administration Bldg. 409 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
  SBBG112873  Schismus arabicus S. A. Junak 1998-3-21 SCa 495 Los Angeles ridge on W side of Cape Cyn, SSW of Black Jack Pk 374 Comment
  SEINET7047898  Schismus barbatus Steven R. Hill, Kate Kramer 2001-4-22 33346 Los Angeles Antelope Valley, east of California Poppy Reserve, north and south sides of Avenue I (Lancaster Road), 1.5 miles west of Munz Ranch Road, 2.6 miles west of junction with 120th Street West, about 15 miles due northwest of Palmdale. Elevation about 2640 feet. Comment
  IRVC28701  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25490 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  SBBG31404  Scirpus microcarpus R. F. Thorne 1966-4-5 35809 Los Angeles Middle Cyn below Stage Station SW of Eagles Nest 76 Comment
  PASA1035  Scrophularia californica Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  RSA155827  Scrophularia villosa Peter H. Raven 1962-5-21 17806 Los Angeles Santa Catalina Island, Camp Cactus Road just about[above?] turn to Camp Cactus, about 0.5 mile east of Carlos. Comment
  RSA427199  Scrophularia villosa Geo. L. Moxley 1920-5-1 731 Los Angeles Santa Catalina Island, Pebbly Beach Canyon Comment
  SBBG13519  Scrophularia villosa E. R. Blakley 1962-10-4 5400 Los Angeles Ironwood Gully, S of Catalina Harbor at the isthmus 198 Comment
  UC1929360  Sedum spathulifolium Mark Elvin, Anne Marie Ruff 1996-8-1 301 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 3.9 mi from gate. Cliff on roadcut. Steep 90 degree crumbly sandstone. Comment
  CAS-BOT-BC63895  Sedum spathulifolium Louis C. Wheeler 1932-7-2 908 Los Angeles San Dimas Canyon- Browns Flat trail; 1 mi from flat. San Gabriel Mts. 1219 Comment
  LA209591  Selaginella asprella Lawrence L. Kiefer; 1966-10-30 2484 Los Angeles San Gabriel Mountains, SW Devil's PunchBowl, Cruthers Cyn, ca. 1/4 mi above the dam 1462 Comment
  LA94000  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1687 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 0.75 mi W of Triunfo Canyon Rd, bluff just N of Lobo Creek. 304 Comment
  RSA675817  Selaginella bigelovii LeRoy Gross 2003-3-7 774 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA683768  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA0042788  Senecio douglasii Mark Schneider 1973-4-26 s.n. Los Angeles Lower portion of Tujunga Wash, San Fernando Valley. 457 Comment
  POM239  Senecio flaccidus var. douglasii E. D. Palmer 280 Los Angeles Los Angeles Comment
  RSA444578  Senecio flaccidus var. douglasii B. Roy 1987-10-9 10- 9 -87/6 Los Angeles Bernard Field Station of the Claremont Colleges (Amherst and Foothill Blvd.), in the neck section (about where Rockford would bisect the station). 482 Comment
  RSA472961  Senecio flaccidus var. douglasii M. B. Dunkle 1940-9-4 s.n. Los Angeles Mill Creek. Comment
  SBBG42246  Senecio lyonii M. B. Dunkle 1939-11-24 7349 Los Angeles E coast summit Comment
  SD79009  Senecio lyonii R. Mitchel Beauchamp 1967-1-27 114 Los Angeles San Clemente Island, sea bluff east of main Wilson Cove area Comment
  UC1952555  Senecio lyonii M. B. Dunkle 1939-4-2 7203 Los Angeles Southeast point, north grass and rock slope, San Clemente Island. Comment
  RSA94685  Senecio lyonii F. W. Peirson 1923-4-12 3478 Los Angeles Wilson's Cove, San Clemente Island. Comment
  UC1523455  Senecio vulgaris Robert F. Thorne, M. Z. Thorne 1980-3-23 54011 Los Angeles Johnson's Pasture above Claremont (foothills of San Gabriel Mts.); , Johnson's Pasture 609 Comment
  LA210264  Senna didymobotrya Arthur C. Gibson; 2005-6-24 5125 Los Angeles Santa Monica Mountains, in vicinity of Malibu Civic Center Comment
  SEINET10892463  Sequoia sempervirens Amelia F. Eby Eby s.n. 1902 Los Angeles Comment
  UC1714448  Setaria pumila I. M. Johnston 1918-8-4 2110 Los Angeles between Pomona and Claremont 365 Comment
  CDA2454  Setaria viridis T. C. Fuller 1958-8-6 5118 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  RSA0116906  Setaria viridis Lyman Benson 1946-10-14 12199 Los Angeles Claremont. 350 Comment
  RSA284806  Silene armeria Robert C. Frampton 1980-7-15 s.n. Los Angeles Gale Canyon, foothills north of Claremont 457 Comment
  CATA1039  Silene gallica Mark L. Hoefs 1995-5-10 1962 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  SFV1221  Silene gallica P. G. Kilburn 1958-2-23 618 Los Angeles Santa Susana Mountains South slope of Oat Mountain. Roadside, 50 yards northwest of Brown Canyon Road. 366 Comment
  UCR90958  Silene gallica Scott D. White 1996-4-9 3883 Los Angeles Pacific Coast, Marina del Rey area, Ballona Creek floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd 30 Comment
  RSA696562  Silene gallica Edna Dickson s.n. Los Angeles Roadside. Comment
  POM183626  Silene laciniata subsp. major Joseph A. Ewan 1929-5-18 1252 Los Angeles 1 mile above mouth of Los Flores Canyon. Comment
  RSA0065442  Silene laciniata subsp. major Mary H. Ward 1970-4-19 LASCA- 935 Los Angeles San Rafael Hills behind Linda Vista, southwestern Pasadena. 304 Comment
  RSA0040544  Silene parishii Orlando Mistretta 1990-8-8 s.n. Los Angeles Lily Spring 2454 Comment
  CAS-BOT-BC175104  Silene verecunda H. M. Hall 1900-6-3 1511 Los Angeles Swarthout Canyon. San Antonio Mountains 1889 Comment
  UCR272987  Silybum marianum R. G. Swinney 2011-4-26 14509 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
  SBBG31396  Silybum marianum R. F. Thorne with P. C. Everett 1965-6-24 35047 Los Angeles above pond impounded behind dam in lower Cottonwood Cyn Comment
  UCR124754  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  POM293230  Sisymbrium irio Lyman Benson 1948-3-27 12858 Los Angeles Claremont. 366 Comment
  RSA658877  Sisymbrium irio Douglas A. Springer 1981-2-26 26 Los Angeles Cal Poly Pomona University campus, parking lot J level 4 NE end. Comment
  UCR136840  Sisymbrium officinale John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  SFV12384  Sisymbrium officinale D. L. Koutnik 1978-4-15 371 Los Angeles San Fernando Valley Porter Ranch, west of Limekiln Canyon. 610 Comment
  UCR125422  Sisymbrium orientale A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25689 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along dirt road on eastern slopes below 'Grapevine Mesa,' 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR271796  Sisymbrium orientale R. G. Swinney 2010-3-24 12043 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA0096627  Sisyrinchium bellum R. G. Swinney 2011-3-18 14143 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA162780  Sisyrinchium bellum J. D. Olmsted 1958-3-9 s.n. Los Angeles Just below power line crossing on Johnsons Pasture road; 1 mile north of intersection of Mountain Ave. & Baseline Rd, northwest of Claremont. 579 Comment
  RSA733588  Sisyrinchium bellum Richard G. Swinney 1998-7-24 6555 Los Angeles San Gabriel Mtns.: Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2200 Comment
  SBBG105352  Solanum americanum H. L. Ferguson, R. M. Beauchamp 1979-9-15 Los Angeles ca. 100 m SW of Vista O.P. gate 555 Comment
  UCR125124  Solanum americanum A. C. Sanders, Mark Elvin 2002-6-18 25115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  CDA12160  Solanum douglasii A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  POM156342  Solanum douglasii L. R. Abrams 1902-5-31 2488 Los Angeles Inglewood. Comment
  POM280533  Solanum douglasii Lyman D. Benson 1933-11-12 5728 Los Angeles Westwood, Beverly Hills. 122 Comment
  SD90473  Solanum douglasii Robert F. Thorne 1973-4-11 42847 Los Angeles San Clemente Island: middle portion of Norton Canyon, canyon bottom 274 Comment
  UCR273404  Solanum douglasii R. G. Swinney 2011-4-26 14484 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
  RSA422385  Solanum douglasii F. H. Elmore 420 Los Angeles San Clemente Island. Comment
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May 16 2008
  CDA8334  Solanum lanceolatum Ornsburn 2008-5-29 PDR# 1353883 Los Angeles Sylmar, 13734 Algeant Ave., 0 Comment
  UCR48857  Solanum nigrum Steve Morgan 1974-5-1 26 Los Angeles San Gabriel Valley, 1212 E. Las Tunas Dr., San Gabriel 183 Comment
  CAS-BOT-BC174966  Solanum umbelliferum Tim Ross; Steve Boyd 1993-5-23 7280 Los Angeles Upper Clearwater Canyon: very steep slope of SSE aspect, ca 190-230m W of Plum Spring 789 Comment
  RSA660504  Solanum umbelliferum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 9 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  UCR273429  Solanum umbelliferum R. G. Swinney 2011-6-22 15261 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
  RSA0010520  Solanum xanti LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6803 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR65514  Solanum xanti T. S. Ross, Steve Boyd 1990-5-14 2467 Los Angeles San Gabriel Mtns., Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  RSA748491  Solanum xanti Orlando Mistretta 1992-7-9 647 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA0022990  Solidago californica Duncan S. Bell, Caitlin Elam 2013-8-1 5562 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA0021712  Sonchus asper Duncan S. Bell, Caitlin Elam 2013-6-24 5262 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  POM18232  Sonchus asper P. A. Munz 1923-4-10 6700 Los Angeles San Clemente Island: deep canyon south of Lemon Tank on west coast Comment
  UC557675  Sonchus asper Nell Murbarger May 1936 228 Los Angeles e side San Clemente Island (near ocean) Comment
  RSA511330  Sonchus oleraceus A. C. Sanders 1988-5-18 7844 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. 1 Comment
  RSA599685  Sonchus oleraceus Steve Boyd, Lauren Raz 1997-5-6 9704 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UCR227644  Sonchus oleraceus R. F. Thorne 1965-5-10 34507 Los Angeles Channel Islands, Santa Catalina Island, upper end of Gallagher Canyon 412 Comment
  RSA0021431  Sonchus oleraceus Anonymous 1951-3-20 s.n. Los Angeles Point Dume 27 Comment
  RSA356034  Spergularia bocconi R. F. Thorne 1975-9-4 47393 Los Angeles Santa Catalina Island: Fisherman s Cove; campus of USC Marine Science Center. Comment
  CAS-BOT-BC390138  Spergularia bocconi L. R. Abrams; I. L. Wiggins 1931-7-6 388 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Summit of plateau Comment
  SBBG117934  Spergularia macrotheca S. Boyd with T. Ross, L. Arnseth 1990-4-7 4250 Los Angeles lower half of China Cyn Comment
  CAS-BOT-BC390270  Spergularia macrotheca var. leucantha Roxana S. Ferris 1918-6-12 916 Los Angeles Lancaster Comment
  RSA0098603  Spergularia marina F. R. Fosberg 1930-6-23 S 2969 Los Angeles Del Rey. 0 Comment
  RSA0098140  Spergularia rubra L. C. Wheeler 1931-4-13 s.n. Los Angeles 3rd & F St. La Verne. 305 Comment
  RSA0087102  Spergularia villosa Steven A. Junak 2001-5-4 SCa- 1492 Los Angeles Santa Catalina Island. E of Parson's Landing. 115 Comment
  RSA442867  Sphaeralcea emoryi var. variabilis Geo. Cantwell 1930-05 s.n. Los Angeles Mint Canyon. Comment
  RSA483227  Sporobolus airoides Anstruther Davidson 1892-7-3 s.n. Los Angeles Lancaster. Comment
  RSA594561  Sporobolus cryptandrus L. C. Wheeler 1967-7-30 10270 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground 1006 Comment
  JEPS85657  Stachys John Thomas Howell 1927-3-20 3475 Los Angeles Vermont Canyon Griffith Park Comment
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Nov 28 2009
  UCR282222  Stachys ajugoides Dan S. Cooper 2016-4-11 416- 19 Los Angeles Schabarum Trail east of Bixby Road, La Habra Heights 393 Comment
  RSA18413  Stachys albens Carl B. Wolf 1927-7-27 690 Los Angeles Ridge Route Road, 10 miles N of Sandburg. Comment
  RSA587254  Stachys albens Orlando Mistretta 1994-5-13 1204 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA754431  Stachys albens Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1849 Los Angeles San Gabriel River near Rincon Ranger Station 446 Comment
  UC75066  Stachys albens C. F. Baker 1903-8-2 3663 Los Angeles near Claremont; San Antonio Canon Comment
  UCR194283  Stachys albens R. G. Swinney 1998-8-5 6641 Los Angeles San Gabriel Mtns., Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  RSA446654  Stachys bullata Elbert Benjamine 1929-4-29 169 Los Angeles Santa Monica. Comment
  RSA609014  Stachys bullata Louis C. Wheeler 1931-1 s.n. Los Angeles San Dimas: Puddingstone. Comment
  SEINET12273952  Stachys rigida var. quercetorum E. A. Purer 1935-1 6567 Los Angeles Malibou Lodge Road, Santa Monica Mountains Comment
  RSA452245  Stanleya pinnata P. A. Munz 1931-8-22 s.n. Los Angeles San Franscito Canyon Comment
  UCR107765  Stanleya pinnata var. pinnata L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Spring c. 2/3 mi. east of Juniper Bowl, Juniper Hills 1159 Comment
  SBBG12078  Stellaria media P. H. Raven 1962-4-10 17235 Los Angeles W side of island about 1.5 mi N of Thirst 457 Comment
  SBBG37630  Stellaria media E. R. Blakley 1963-4-10 5595 Los Angeles 1 mi S of Avalon on rocky ridge Comment
  RSA251464  Stellaria media R. F. Thorne 1973-4-11 42827 Los Angeles San Clemente Island: upper part of Norton Canyon. 335 Comment
  RSA653378  Stenotaphrum secundatum LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 270 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  RSA155877  Stephanomeria blairii P. H. Raven 1962-4-12 17310 Los Angeles San Clemente Island: Wilson Cove 91 Comment
  CAS-BOT-BC375145  Stephanomeria cichoriacea Peter H. Raven 1957-9-21 11357 Los Angeles Topanga Canyon 2.5 mi. above U.S. 101 alternate, Santa Monica Mts. Comment
  JEPS64629  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley Mojave Desert, Antelope Valley 731 Comment
  CAS-BOT-BC375719  Stephanomeria runcinata Le Roy Abrams; E. A. McGregor 1908-6-30 510 Los Angeles Lancaster (Mojave Desert) 853 Comment
  IRVC28593  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  UC213258  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UCR193532  Stipa hymenoides R. G. Swinney 1999-6-18 7297 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA0098772  Stipa occidentalis R. G. Swinney 2011-7-8 15488 Los Angeles San Gabriel Mountains: 'Strawberry Potrero'?, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  CAS-BOT-BC375979  Stylocline gnaphaloides E. Braunton 1904-5-1 s.n. Los Angeles Glendale