Search Results — 2000 specimen records retrieved (1569 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/consortium/).
 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
  CAS-BOT-BC229558  Abronia maritima Alice Eastwood 1917-7-20 6466 Los Angeles Santa Catalina Island Comment
  RSA20227  Abronia pogonantha Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9495 Los Angeles Highway between Adelanto and Lancaster. Comment
  RSA0025878  Abronia umbellata Peter H. Raven 1962-7-10 17952 Los Angeles San Clemente Island. Near west shore of island due west of Wall 2. Comment
  SEINET3292034 Image available Abronia umbellata subsp. platyphylla Edith A. Purer 1935-5-12 6594 Los Angeles Sand dunes, El Segundo Comment
  RSA651438  Acacia baileyana R. Carlston 1966-5-24 s.n. Los Angeles Lone Hill Ave., Glendora. Comment
Read comments
Nov 18 2011
  CAS-BOT-BC30942  Acamptopappus sphaerocephalus Adolph Daniel Edward Elmer 1902-6-1 3621 Los Angeles Lancaster Comment
  RSA0091749  Acer macrophyllum R. G. Swinney 2011-3-22 14194 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA394176  Acer macrophyllum Donald R. Bissing 1973-3-29 34 Los Angeles Evey Canyon, 1.5 mile from canyon mouth. 976 Comment
  UC205353  Acer macrophyllum I. M. Johnston 1917-7-28 1568 Los Angeles San Antonio Canyon San Antonio Mountains, San Antonio Canyon 1600 Comment
  UCR258505  Acer negundo R. G. Swinney 2010-6-23 13328 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  RSA585686  Acer saccharinum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3018 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  SD247304  Achillea millefolium R. G. Swinney 2008-7-24 9343 Los Angeles San Gabriel Mountains: Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA596315  Achnatherum coronatum Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3373 Los Angeles Big Rock Creek Canyon, along stream and immediately adjacent flats and slopes; ca 130m N to 250m NNW of Icy Springs. 1713 Comment
  UC1133067  Achnatherum coronatum Jerome S. Horton 1935-7-18 219 Los Angeles Big Dalton Canyon Dam Pomona Quadrangle Comment
  RSA598091  Achnatherum latiglume Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3788 Los Angeles Ridgetop to the W of Crystal Lake [ridge descending SSW from Mt. Islip] 1866 Comment
  SBBG57050  Achnatherum parishii M. N. Ackley -Mar-1928 54 Los Angeles Eagle Rock Hill 365 Comment
  RSA730248  Achnatherum speciosum R. G. Swinney 1999-6-5 7268 Los Angeles San Gabriel Mtns.: western end of ridge extending from Big John Peak, above Big John Flat 1768 Comment
  UCR153318  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2005-4-26 29740 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  CATA715  Acmispon argophyllus var. argenteus Mark L. Hoefs 1991-5-3 1215 Los Angeles Santa Catalina Island: Above road on north-west side of Descanso Canyon, near entry to Hamilton Cove 79 Comment
  SBBG101153  Acmispon dendroideus var. traskiae T. Ross 1992-4-14 6174 Los Angeles E escarpment, ca. 20 m S of where Nanny Cyn drainage meets the sea 18 Comment
  SBBG68094  Acmispon strigosus R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  LA91437  Acmispon wrangelianus Bruce Douglas Clayton; Greg Shaw 1972-3-30 37 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus, at head of canyon. 585 Comment
  LA209732  Acourtia microcephala Carl Epling; N. Dunn 1931-5-30 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA181425  Acourtia microcephala James I. McMurphy 1916-4-14 s.n. Los Angeles Topanga Canyon. Comment
  UC63371  Acourtia microcephala Ernest Braunton 1902-6-7 527 Los Angeles Elysian Park Comment
  UCR65245  Acourtia microcephala F. R. Fosberg 1931-5-18 S- 04905 Los Angeles Channel Islands, Santa Catalina Island, Cottonwood Canyon 60 Comment
  SEINET4417952 Image available Acrolasia catalinensis R. L. Pendleton 1909-1 1363 Los Angeles Comment
  UCR269250  Acroptilon repens Sandra L. Leatherman, Jennifer Pareti, Brian Daniels 2013-4-18 2013- 1 Los Angeles Coastal Plains and Basins; Los Angeles Basin Region, a tributary upstream of Dominguez Channel, NE of the intersection of West Artesia Blvd. and South Vermont Ave. 4 Comment
  IRVC28682  Adenostoma fasciculatum A. C. Sanders, Mark Elvin 2002-6-18 25129 Los Angeles Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park NE end of Santa Susana Mtns. 366 Comment
  RSA0110207  Adenostoma fasciculatum var. fasciculatum Richard G. Swinney 2011-5-16 14735 Los Angeles San Gabriel Mountains: Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 degrees SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
  SEINET10931761  Adenostoma sparsifolium Walter H. Lewis Lewis 15648 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  POM874  Adiantum capillus-veneris I. M. Johnston 1918-9-1 2135 Los Angeles San Antonio Mountains. Fern Canyon north of Brown's Flats. 1220 Comment
  RSA773809  Adiantum capillus-veneris R. G. Swinney 2009-6-12 11140 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River. 652 Comment
  UC811102  Adiantum capillus-veneris F. R. Fosberg 1931-7-13 R 112 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 60 Comment
  POM224935  Adiantum capillus-veneris F. R. Fosberg 1931-5-4 R 95 Los Angeles Below second bridge below Eagles Nest. Santa Catalina Island. 100 Comment
  LA200058  Adiantum jordanii Lawrence L. Kiefer; 1966-5-14 2034 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak, ca 0.5 mi above Barham Blvd, NW [label says NE] side of Cahuenga Peak. 304 Comment
  UC440497  Adiantum jordanii R. L. Pendleton 1909-7-4 1415 Los Angeles s Avalon; Santa Catalina Isl 365 Comment
  SFV5510  Adiantum jordanii W. A. Kelley 1968-1-14 s. n. Los Angeles Santa Susana Mountains Chatsworth. Santa Susana Pass. Comment
  CAS-BOT-BC202625  Aesculus californica W. R. Dudley; F. H. Lamb 1896-6-8 4378 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA577890  Agave Louis C. Wheeler 1936-6-21 4170 Los Angeles W Fork Palmer Canyon 640 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
  CDA6739  Ageratina adenophora T. C. Fuller 1958-5-9 2061 Los Angeles Millard Canyon, Cheney Trail above Altadena. 0 Comment
  CDA6743  Ageratina adenophora T. C. Fuller 1961-5-8 6294 Los Angeles Griffith Park, Los Angeles, east of Greek Theatre. 0 Comment
  UC129535  Agoseris retrorsa H. M. Hall 7393 Los Angeles vicinity of, Elizabeth Lake Comment
  UCR124413  Agoseris retrorsa B. C. Templeton 1932-5-31 4856 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA588919  Agoseris retrorsa Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2958 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
  RSA603762  Agrostis stolonifera Joseph A. Ewan 1936-7-22 9793 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  RSA367070  Allium burlewii Ralph Hoffmann 1919-6-4 8000 Los Angeles Mt. Pinos. Comment
  SD231161  Allium fimbriatum var. fimbriatum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UC635247  Allium fimbriatum var. fimbriatum Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts, Pinon Ridge Comment
  SBBG57474  Allium fimbriatum var. mohavense R. Hoffmann 1929-5-21 Los Angeles above Elizabeth Lake Comment
  CAS-BOT-BC472004  Allium lacunosum var. davisiae Louis C. Wheeler 1932-4-10 607 Los Angeles 2 mi. W. Palmdale, Mohave Desert Comment
  RSA639707  Allium monticola L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  RSA0000111  Allium monticola Robert Kessler 1921-6-1 1924 Los Angeles Mt. Markham. Comment
  CAS-BOT-BC475408  Allium praecox Tim Ross 1993-4-22 6872 Los Angeles Santa Cataline Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); northwesterly slope 350 meters ENE of peak; 419 Comment
  CHSC35460  Allophyllum divaricatum James Henrickson 1973-5-12 9570 a Los Angeles 5.4 (rd) miles N of La Canada along Angeles Crest Hwy (2), in roadside. 853 Comment
  RSA733036  Allophyllum gilioides subsp. violaceum R. G. Swinney 1998-7-8 6328 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  CAS-BOT-BC170979  Alnus rhombifolia W. R. Dudley 1907-11-28 s.n. Los Angeles Sawpit Canyon (near Monrovia) Comment
  SDSU4823  Alnus rhombifolia A. H. Gallup 1948-11-1 252 Los Angeles San Dimas - Little Dalton Canyon. 457 Comment
  UCR109620  Alternanthera philoxeroides R. D. Goeden, Don W. Ricker 1965-9-23 s.n. Los Angeles San Gabriel Valley, Whittier Narrows 61 Comment
  CDA3253  Alternanthera philoxeroides George Garrettson, H. Daniels Sep 1956 Los Angeles Rio Hondo River under bridge on San Gabriel Blvd. near intersection with Rosemead Blvd., El Monte. 0 Comment
  POM714  Amaranthus blitoides I. M. Johnston 1918-7-29 2098 Los Angeles El Monte. Along Railroad. 91 Comment
  RSA786330  Amaranthus blitoides K. Dobry 1991-6-27 783 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  UCR255856  Amaranthus blitoides Dan S. Cooper 2014-5-19 514- 58 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  UCR138517  Amaranthus retroflexus L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, Blum Ranch 884 Comment
  RSA629737  Amaranthus retroflexus L. C. Wheeler 1973-8-2 s.n. Los Angeles San Gabriel Mountains: Coulter Reservoir, Sunset Ridge. 647 Comment
  SDSU6854  Amblyopappus pusillus R. M. Beauchamp 1967-3-17 250 Los Angeles East of Wilson Cove of San Clemente Island. Comment
  SD90425  Amblyopappus pusillus Robert F. Thorne 1966-4-16 36035 Los Angeles San Clemente Island; sandy bank of old, raised beach, 2/3 miles southsoutheast of Eel Point and north of Seal Cove; southwest side of island. 29 Comment
  RSA0106485  Ambrosia acanthicarpa R. G. Swinney 2011-10-18 15822 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA126675  Ambrosia acanthicarpa Peter H. Raven, Henry J. Thompson 1959-9-27 14508 Los Angeles Sepulveda Canyon. (Lat N. 34Y, Long. 118Y to 119Y W.) 244 Comment
  RSA416897  Ambrosia acanthicarpa Anstruther Davidson 1890-09 2009 Los Angeles Cienega, Los Angeles. Comment
  CAS-BOT-BC13672  Ambrosia artemisiifolia Oscar F. Clarke 1970-8-5 s.n. Los Angeles 8841 Quakertown Ave, Northridge. At the home of Judy Owen. Comment
  SBBG128554  Ambrosia chamissonis M. L. Hoefs 1955-5-30 2157 Los Angeles Ben Weston Beach 4 Comment
  LA31646  Ambrosia psilostachya Peter H. Raven; 1959-11-7 14733 Los Angeles 182 Comment
  LA91057  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  UC478977  Amelanchier utahensis Marcus E. Jones, A. M. 1931-7-28 29011 Los Angeles San Antonio Peak Comment
  UCR61040  Ammannia coccinea R. G. Swinney 1989-6-25 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, in Big Dalton Canyon 366 Comment
  UCR126995  Ammi majus A. C. Sanders, Kim Marsden 2003-6-20 26987 Los Angeles Western Transverse Range/Santa Clara River Watershed, Del Valle area, between San Martinez Grande Canyon Rd. and (San Martinez) Chiquito Canyon Rd., north of Hwy 126, Newhall Ranch 305 Comment
  POM214307  Amorpha californica L. C. Wheeler 1932-5-21 742 Los Angeles Head Mandeville canyon, Santa Monica Mtns. 488 Comment
  RSA250704  Amsinckia intermedia R. F. Thorne 1971-4-2 41437 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  RSA499959  Amsinckia intermedia B. C. Templeton, I. W. Clokey 1930-4-8 1020 Los Angeles San Francisquito Canyon 600 Comment
  UCR225776  Amsinckia menziesii Dave Silverman, Cindy Hopkins 2007-4-27 6775 Los Angeles Tejon Ranch, north of Oso Canyon, 2.8 km due west of CA Aqueduct, 1.3 km south of Kern Co. line, 1.4 km south of National Cement Plant 1062 Comment
  IRVC26443  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin, et al. 2003-3-5 25716 Los Angeles Newhall Ranch, "Grapevine Mesa" ca. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon NE end of Santa Susana Mtns. 335 Comment
  LA40181  Amsinckia menziesii var. menziesii Carl Epling; March 1925 6446 Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC306206  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-11 1833 Los Angeles Lone Hill south of Glendora 365 Comment
Read comments
Feb 20 2017
  SD237360  Amsinckia tessellata R. G. Swinney 2009-4-28 10521 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  UCR269933  Amsinckia tessellata R. G. Swinney 2010-5-12 12725 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  OBI2774  Amsinckia tessellata Ruth Wilson 1961-3-30 s.n. Los Angeles Antelope Valley 792 Comment
  UC573151  Amsinckia tessellata var. tessellata Herbert L. Mason 1926-4-26 3010 Los Angeles Little Rock Comment
  LA81922  Anagallis arvensis O. H. Kappler; 1940-8-31 39 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA465136  Anagallis arvensis Robert Gustafson 1980-9-16 1917 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  CAS-BOT-BC137815  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1964-3-18 8425 Los Angeles San Gabriel Mountains. About half way between Roberts Canyon and Fish Canyon. Comment
  UCR101187  Andropogon glomeratus var. scabriglumis L. C. Wheeler 1949-1 6755 Los Angeles San Gabriel Mtns., North Fork San Gabriel River, near Bichota canyon 686 Comment
  RSA0063155  Andropogon glomeratus var. scabriglumis F. W. Peirson 1918-10-16 1571 Los Angeles Near foot of Pacoima Canyon, west end of San Gabriel Mts. Comment
  RSA702947  Anisocoma acaulis Scott D. White, Michael Honer 2004-3-30 9956 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of 'Four Points' 838 Comment
  SEINET11853899  Anisocoma acaulis H. M. Hall 1902-1 3075 Los Angeles Elizabeth Lake Comment
  RSA296164  Anthemis cotula Mark Hoefs 1973-5-14 276 Los Angeles Santa Catalina Island, Road to Memorial by Pump House, Upper Avalon Canyon. 61 Comment
  RSA719095  Anthemis cotula Naomi Fraga 2001-5-27 47 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA0110798  Anthriscus caucalis R. G. Swinney 2011-4-28 14532 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam. 878 Comment
  RSA126728  Antirrhinum coulterianum Peter H. Raven, Henry J. Thompson 1959-5-5 14154 Los Angeles 4.1 miles northwest of Tapia Park on road to Malibu Lake. 600 Comment
  RSA517131  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd 1990-5-14 2496 Los Angeles San Gabriel Mts.: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  UCR280395  Antirrhinum kelloggii Jeremiah George, Eric Kline 2017-4-17 417- 05 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  CDA41225  Antirrhinum multiflorum Phillipson 1915-6-7 3 .1.A Los Angeles Duarte. Comment
  JEPS83301  Antirrhinum multiflorum David M. Thompson 1983-5-13 304 Los Angeles 1.3 mi w Mulholland Hwy. junction with Las Virgenes Road (on Mulholland Hwy, next to ruins of a stone building); Malibu Beach Quad. (7.5', 1951) 274 Comment
  SEINET13388994  Antirrhinum multiflorum G. B. Grant 1904-5-29 50 /6282 Los Angeles Covina. Comment
  SEINET3158921  Antirrhinum multiflorum D. M. Jackson, R. W. Spellenberg 1972-2-21 196 Los Angeles 3.6 mi N from intersection of Pacific Hwy (101) on Corral rd., left on dirt road 0.2 mi. Corral Canyon rd. is west of Malibu. Plant growing on ridge top, Santa Monica Mts. Comment
  UCR213779  Antirrhinum multiflorum Scott D. White, Justin M. Wood 2009-5-6 12651 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, dirt road between Cogswell Dam and fill slope on the south side of Cogswell Reservoir 808 Comment
  UCR258569  Antirrhinum multiflorum R. G. Swinney 2010-5-29 13014 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCR78153  Antirrhinum multiflorum Wandalee Thompson 1964-7-8 59 Los Angeles Transverse Range; Liebre Mtns., Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UCR131369  Antirrhinum nuttallianum Jeremiah George 2001-5-29 6 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  CATA194  Apiastrum angustifolium Mark L. Hoefs, A. Douglas Propst 1973-4-6 169 Los Angeles Santa Catalina Island: West side of Mt. Black Jack 457 Comment
  RSA347523  Apiastrum angustifolium B. A. Prigge 1986-3-19 6935 Los Angeles Santa Monica Mountains: 0.3 miles west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  RSA595130  Apiastrum angustifolium Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8564 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA470376  Apiastrum angustifolium Fordyce Grinnell Jr. 1910-04 2770 Los Angeles Low hills, San Rafael Hills Comment
  CLARK-A1528-1425  Apium leptophyllum Alfred R. Roos 1958-5-29 Los Angeles parking strip on the 1900 block of Westwood Blvd. Comment
Read comments
Oct 26 2015
  SEINET3237844 Image available Apocynum androsaemifolium R. G. Swinney 1998-7-21 6461 Los Angeles San Gabriel Mtns.; upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground. 2049 Comment
  RSA747273  Apocynum cannabinum R. G. Swinney 2005-8-22 8522 Los Angeles San Gabriel Mountains: Devil s Punchbowl County Park, fork of Devils Punchbowl Canyon 1220 Comment
  UCR191193  Aquilegia formosa R. G. Swinney 1999-7-28 7593 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  UCR270682  Arabis platysperma R. G. Swinney 2011-8-17 15650 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR219409  Arabis sparsiflora R. G. Swinney 2009-4-1 10240 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  RSA69570  Arbutus menziesii F. W. Peirson 1919-4-5 140 Los Angeles Old Trail to Mt. Wilson, San Gabriel Mts. 762 Comment
  CAS-BOT-BC407750  Arceuthobium abietinum James R. Shevock 1976-4-24 5015 Los Angeles along Big Pines Hwy. in the vicinity of Apple Tree Campground, San Gabriel Mountains, Angeles National Forest 1524 Comment
  SEINET11993683  Arctostaphylos gabrielensis W. Knight, Knight, I. 1986-1 6001 Los Angeles Angeles National Forest, Mill Creek Campground 1219 Comment
  RSA626770  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16015 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA631214  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 21985 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  SFV2637  Arctostaphylos glandulosa K. A. Wilson 1963-5-12 1300 Los Angeles Santa Susana Mountains Orcutt Ranch in the vicinity of Mission Peak. Comment
  UCR270893  Arctostaphylos glandulosa subsp. glandulosa R. G. Swinney 2011-6-14 15134 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UC193241  Arctostaphylos glandulosa subsp. mollis Samuel B. Parish June 1887 1957 Los Angeles San Francisquito Canyon Comment
  RSA604745  Arctostaphylos glauca L. C. Wheeler 1932-9-12 1380 Los Angeles W. of Hogback, San Antonio Canyon 1311 Comment
  RSA631602  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15946 Los Angeles Hughes Lake Road, 7 km north of Highway 5. 400 Comment
  RSA631674  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20290 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  RSA0079930  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15802 Los Angeles San Gabriel Canyon, Hwy 39, 9-10 km N of ORV area, San Gabriel Mountains. 900 Comment
  UCR114208  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA634706  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20600 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634771  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20426 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635086  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20432 Los Angeles Rd to Sulpher Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1650 Comment
  RSA635188  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20395 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA0060509  Arctostaphylos patula R. G. Swinney 2010-9-23 13878 Los Angeles Summit of Middle Hawkins Peak on Hawkins Ridge. 2576 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
  UCR190938  Arctostaphylos patula R. G. Swinney 1998-7-2 6245 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA96408  Arctostaphylos patula E. K. Balls 1954-8-4 19784 Los Angeles trail to ski lift, Baldy summit 2500 Comment
  UC2026384  Arenaria macradenia var. kuschei Steve Boyd, Laura Moore, M. Wall 1997-7-24 10019 Los Angeles LIEBRE MOUNTAINS REGION: Summit of Liebre Mountain, saddle between Richardson and Bear canyon, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). Comment
  POM253  Argemone munita subsp. rotundata H. Webster s.n. Los Angeles San Antonio Canyon. Comment
  UC121470  Aristida adscensionis T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  POM1097  Aristida purpurea var. parishii Jos Burtt Davy 1901-1-20 s.n. Los Angeles Saugus, Los Angeles Co. Comment
  LA202977  Artemisia californica Joseph Andorfer Ewan; 1932-10-22 10806 Los Angeles Santa Catalina Island, above Avalon Comment
  POM244812  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  RSA417242  Artemisia californica Robert Gustafson 1980-9-16 1900 Los Angeles Ballona Wetlands, Area 1. Comment
  UCR133744  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Channel Islands, Avalon, Public Utilities Canyon, Santa Catalina Island 50 Comment
  UCR276735  Artemisia californica R. G. Swinney 2010-8-11 13509 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UC74039  Artemisia douglasiana Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  CAS-BOT-BC97277  Artemisia tridentata subsp. parishii Philip A. Munz 1923-11-11 7803 Los Angeles Newhall Comment
  LA202951  Artemisia tridentata subsp. parishii Jonathan Sauer; D. Bradbury, L. Wester 1969-10-19 4641 Los Angeles San Gabriel Mountains, near Kentucky Springs 1066 Comment
  UCR108423  Arundo donax L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mtns., Mt. Wilson road, below Henninger Flats 671 Comment
  POM157968  Asclepias californica Marcus E. Jones 1927-8-1 s.n. Los Angeles San Gabriel Mountains. Swartout Valley. Comment
  RSA17060  Asclepias californica C. B. Wolf 1936-5-27 7858 Los Angeles Aliso Canyon to Buckhorn Flats Road, 3.6 mi. above Tie Camp Summit (1st summit) 1889 Comment
  SD215380  Asclepias californica Louis C. Wheeler 1946-8-24 6244 Los Angeles San Gabriel Mountains: Wawona Lodge (site) adjacent to Crystal Lake 1698 Comment
  SD41307  Asclepias californica Edith A. Purer 1931-4-1 Los Angeles Valley Blvd. west of Pomona. Comment
  POM155623  Asclepias curassavica M. L. Bryan 1928-7-28 17 Los Angeles Mandeville Canyon, near Santa Monica. 152 Comment
  RSA601326  Asclepias fascicularis Steve Boyd, Lauren Raz 1997-6-18 9967 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  LA94123  Aspidotis californica Lawrence L. Kiefer; 1966-3-19 1742 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  POM158287  Aspidotis californica M. B. Dunkle 1928-5-12 1928 Los Angeles Santa Catalina Island: among large rocks, Empire Landing, 243 Comment
  RSA535544  Aspidotis californica T. S. Ross, Annette Ross 1991-9-7 5955 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 402 Comment
  POM942  Aspidotis californica M. M. Culter 1916-3-30 s.n. Los Angeles San Dimas Canyon Comment
  RSA417627  Aster bernardinus F. R. Fosberg 1930-10-18 4113 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  UC126829  Astragalus didymocarpus E. Braunton Mar 1903 Los Angeles Echo Park Los Angeles, Echo Park Comment
  CAS-BOT-BC182854  Astragalus douglasii Ernest C. Twisselmann 1962-4-18 6972 Los Angeles Oso Canyon, ca. 1 mile above Oso Corral 1036 Comment
  RSA415479  Astragalus douglasii var. douglasii W. Hutchinson 1921-5-1 s.n. Los Angeles Mt. Gleason Comment
  SBBG44700  Astragalus lentiginosus R. Hoffmann 1930-4-29 Los Angeles Lancaster 711 Comment
  UCD170759  Astragalus pachypus R. G. Swinney 2009-5-6 10688 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek. 909 Comment
  HSC46497  Astragalus traskiae M. B. Dunkle 1940-3-17 7405 Los Angeles Santa Barbara Island Comment
  POM187626  Astragalus trichopodus var. phoxus Joseph A. Ewan 1930-5-17 5502 Los Angeles Pico Canyon above Newhall. 457 Comment
  UC862487  Astragalus trichopodus var. phoxus Alice Eastwood May 27, 1906 - June 10, 1906 249 Los Angeles Roscoe Comment
  POM11774  Astragalus trichopodus var. trichopodus R. L. Pendleton 1909-7-2 1369 Los Angeles Santa Catalina Island. Road east of Avalon. 9 Comment
  UCR192020  Atriplex A. C. Sanders 2008-4-16 34907 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, 0.15 mi. north of Hwy 138 on the eat side of the cement plant road, 0.75 mi. ESE of Quail Lake 1021 Comment
  UCSB16221  Atriplex californica Coln, Bob 1963-4-27 Los Angeles Bluffs above U.S. Highway 101, 5 mi. N of Zuma Beach Comment
  SBBG131698  Atriplex coulteri S. A. Junak 1999-9-11 SCa 1102 Los Angeles W side of Twin Peaks, in middle of burn area 390 Comment
  SD181602  Atriplex glauca Steve Boyd, Lauren Raz 1997-3-4 9156 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca. 0.8 miles north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 988 Comment
  POM246581  Atriplex leucophylla F. R. Fosberg 1931-5-4 S- 4759 Los Angeles Mouth of Middle Ranch Canyon, Santa Catalina Island. Comment
  UCD97501  Atriplex leucophylla Malcolm A. Nobs 1948-9-8 645 Los Angeles just west of Malibu. Comment
  POM279019  Atriplex nummularia Grant D. Brown 1949-11-24 446 Los Angeles Playa del Rey. 15 Comment
  UC850830  Atriplex nummularia Edith A. Purer 1935-5-11 6586 Los Angeles sandy hillside Playa del Rey Comment
  CATA1411  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2562 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach 3 Comment
  CATA43  Atriplex semibaccata USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 24 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA188196  Atriplex semibaccata R. F. Thorne, P. Everett 1965-6-23 s.n. Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA550004  Atriplex semibaccata Scott D. White 1992-10-9 942 Los Angeles Malibu, base of Santa Monica Mountains, just N of Pacific Coast Highway, extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School. 91 Comment
  RSA453959  Atriplex suberecta Robert Gustafson 1981-6-17 2237 Los Angeles Ballona Wetlands, Area 1 Comment
  SD52990  Atriplex watsonii Peter H. Raven 1962-7-12 18019 Los Angeles San Clemente Island, east end of Northwest Harbor. 29 Comment
  RSA0119757  Avena barbata R. G. Swinney 2014-5-27 16669 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
  RSA177769  Avena barbata R. F. Thorne, Percy C. Everett 1965-5-11 34587 Los Angeles Santa Catalina Island. N beach of Little Harbor. 2 Comment
  SFV21766  Avena fatua L. Gross 2001-3-31 365 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. On west-facing slope on old road above Sunset Canyon. 396 Comment
  UC1234792  Azolla filiculoides Peter H. Raven 1962-5-22 17853 Los Angeles ca. 1 mi below Ranch Middle Creek; Santa Catalina Isl. Comment
  CAS-BOT-BC99410  Baccharis pilularis H. E. Hasse 1890-8-1 s.n. Los Angeles Slopes of Santa Monica Range Comment
  RSA648012  Baccharis pilularis Diane Elliott 1985-5-17 45 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UCR88681  Baccharis pilularis Scott D. White 1995-10-19 3695 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  RSA590592  Baccharis salicifolia Timothy S. Ross, Walter Appleby 1993-5-20 7189 Los Angeles Western San Gabriel Mountains: vicinity of Wilson Canyon Saddle. 951 Comment
  UCR172734  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 s.n. Los Angeles South Coast, Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 366 Comment
  UCR259100  Baccharis salicifolia Mitch Provance, Callen Huff 2009-4-29 10687 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
  UCR128004  Baccharis salicina Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles Santa Clarita Valley, S side of the Santa Clara River, c. 200 m upstream from the mouth of Potrero Creek 274 Comment
  UCR99488  Balsamorhiza deltoidea Steve Boyd, Lauren Raz 1997-3-26 9379 Los Angeles San Gabriel Mtns., Liebre Mountains, Sierra Pelona Ridge, Willow Spring on the S flank of Martindale Cyn near the N end of Bouquet Cyn, south of upper end of reservoir along Forest Service Rd 6N08. 1311 Comment
  UCD129537  Bebbia juncea var. aspera G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  POM187884  Berberis nevinii Chas Darland 1932-5-12 s.n. Los Angeles San Fernando Comment
  CAS-BOT-BC102038  Bidens laevis Grant 1901-9-19 4553 Los Angeles Pasadena Comment
  RSA279111  Bituminaria bituminosa R. F. Thorne 1971-3-18 41500 Los Angeles Cobal Canyon, 3 miles N of Claremont 502 Comment
  RSA0080967  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. 488 Comment
  RSA127844  Bloomeria crocea var. crocea Peter H. Raven 1959-5-9 14164 Los Angeles Santa Monica Mountains. Mulholland Hwy 1 mile W of Las Virgenes Road. Malibu Creek drainage, 274 Comment
  RSA367454  Bloomeria crocea var. crocea A. M. Johnson 1934-4-7 4397 Los Angeles Botany Garden, Campus, UCLA Los Angeles Comment
  CAS-BOT-BC482063  Bloomeria crocea var. crocea John H. Thomas 1957-5-17 6761 Los Angeles Occidental College Campus; Near Moore Laboratory Comment
  RSA659577  Bloomeria crocea var. crocea Brian McColgan 1988-5-14 14 Los Angeles 1 mile N of Padua on Mt. Blady Rd. Comment
  SD230122  Bloomeria crocea var. montana Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10015 Los Angeles Liebre Mountains Region: Upper northern flank of Liegre Mountain head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site. Relatively gentle slopes, grading into steep canyon sides. 1584 Comment
  CAS-BOT-BC482078  Bloomeria crocea var. montana Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, N Los Angeles Co. Comment
  RSA482579  Boechera Geo L. Moxley 1917-3-11 533 Los Angeles Pacoima Canyon, near San Fernando Comment
  RSA286429  Boechera Anonymous s.n. Los Angeles Vincent Gulch, San Gabriel Mts. 2 3/4 miles down trail from Vincent Gap (Hwy 2) via Vincent Gulch to Prairie Fork, east fork of San Gabriel River 1524 Comment
  CAS-BOT-BC15863  Boechera arcuata John Thomas Howell 1930-5-18 5171 Los Angeles San Gabriel Mountains. Pacoima Canyon. Comment
  SFV6465  Boechera pulchra T. Gordon, W. C. Willig, K. A. Wilson 1974-4-26 164 Los Angeles Mojave Desert Littlerock. Longview Road (Co. N6) at intersection of Pallet Creek Road. 1170 Comment
  CAS-BOT-BC25973  Boechera xylopoda Louis C. Wheeler 1932-4-9 569 Los Angeles 4 miles west southwest Fairmont, Antelope Valley. 914 Comment
  UCR205190  Boechera xylopoda R. G. Swinney 2008-5-2 8731 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  LA8056  Bothriochloa barbinodis LeRoy Abrams; 1903-3-11 3110 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  RSA385898  Bothriochloa barbinodis Anstruther Davidson 1892-04 s.n. Los Angeles Elysian Park?, Los Angeles. Comment
  RSA544537  Bowlesia incana Tim Ross, E. Kellogg 1992-4-12 6128 Los Angeles San Clemente Island: 129 degrees SE, 525m distant from Vista, near head of Grove Canyon. 518 Comment
  RSA466775  Boykinia rotundifolia Elbert Benjamine 1929-5-26 191 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  UCR146686  Boykinia rotundifolia Scott D. White 2004-8-20 10724 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  CATA1838  Brachypodium distachyon Denise Kraus 2000-4-27 17 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break ridge. At GHB Transect 15 381 Comment
  PASA391  Brassica campestris Sally Ellis 1939-4-7 Los Angeles Puddingstone Dam Comment
  RSA0043287  Brassica nigra Joel Maki s.n. Los Angeles Santa Monica Mts., Topanga Cyn. Blvd. 365 Comment
  RSA482928  Brassica rapa E. S. Spalding 1923-2-7 s.n. Los Angeles Eagle Rock. Comment
  CAS-BOT-BC100418  Brickellia californica F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 Comment
  JEPS19499  Brickellia californica Peter H. Raven 1957-9-21 11350 Los Angeles Pacific Palisades. Comment
  POM351158  Brickellia nevinii T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, San Gabriel Mts. Comment
  UCR88692  Brickellia nevinii Scott D. White 1995-10-19 3704 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  SBBG87349  Bromus arizonicus A. C. Sanders 1988-3-17 7732 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  UCD57748  Bromus berteroanus Ernest C. Twisselmann 1962-4-10 6850 Los Angeles Mojave Desert. Antelope Valley: Avenue A, 2.8 miles west of Highway 6. 670 Comment
  SEINET10933498  Bromus berteroanus LeRoy R. Abrams 1903-3-14 Abrams 3132 Los Angeles San Pedro. Comment
  SD132494  Bromus carinatus Andrew C. Sanders 1988-2-18 7692 Los Angeles El Segundo Dunes; W of L.A. Intl. Airport between Pershing Dr and Vista Del Mar Blvd; on sandy flats behind the beach 4 Comment
  SD30977  Bromus carinatus Edith A. Purer 1931-2-21 163 Los Angeles Palos Verdes Hills; field Comment
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Jul 10 2010
  SD31219  Bromus carinatus Edith A. Purer 1931-4-28 1768 Los Angeles Palos Verdes Hills, along roadside Comment
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Jul 11 2010
  UCR277073  Bromus carinatus R. G. Swinney 2011-6-7 15105 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UC1871123  Bromus carinatus var. carinatus T. S. Ross, Walter Appleby 1993-5-19 7173 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western San Gabriel Mountains: Long SSE-trending ridge S of Wilson Canyon Saddle; San Fernando quad: R15W T3N, SW/4 NE/4 SE/4 sect. 9; elev. 3110 ft. 948 Comment
  CAS-BOT-BC155393  Bromus hordeaceus Timothy S. Ross; J. Mark Porter 1995-5-4 8514 Los Angeles Liebre Mountains. Texas Canyon. Ca. 3.6 road miles northeast of Bouquet Canyon Road. 682 Comment
  CATA1483  Bromus hordeaceus Mark L. Hoefs, Steven A. Junak 1996-4-30 2685 Los Angeles Santa Catalina Island: By road past Parson's Junction, toward west end, just before Starlight Beach 152 Comment
  RSA213422  Bromus hordeaceus M. B. Dunkle 1939-4-4 7254 Los Angeles San Clemente Island. Pyramid Cove. Comment
  UCD58830  Bromus hordeaceus Jack Delaini 1974-4-25 141 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 365 Comment
  SD230133  Bromus madritensis subsp. madritensis Louis C. Wheeler 1973-6-8 Los Angeles Los Angeles: SE of Alemeda St. & San Diego (405) Fwy, between Sepulveda Blvd. & 233 rd St. (L. A. Harbor Dept. , Classification Yard, E. of Dominguez Flood Control Channel). Comment
  SBBG128783  Bromus madritensis subsp. rubens M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1783 Los Angeles N of Rd between Emerald Bay and Parsons Landing 121 Comment
  UC1551925  Bromus madritensis subsp. rubens David Charlton 1988-4-2 h Los Angeles Cleghorn Road Turnoff on Cajon Pass, I 15, Swarthout Valley Road to end of pavement Cajon Pass; , Cleghorn Road Turnoff, Swarthout Valley Road 1524 Comment
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Feb 4 2015
  LA13820  Bromus rubens Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  POM49462  Bromus rubens L. W. Nuttall 1920-5-14 s.n. Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon. Comment
  RSA589250  Bromus rubens Timothy S. Ross 1991-4-28 4753 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  RSA603270  Bromus rubens L. C. Wheeler 1933-5-30 1754 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  SEINET3923282  Bromus rubens K. Dobry 1991-3-15 422 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR258737  Bromus rubens R. G. Swinney 2010-5-19 12830 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  UCR269883  Bromus rubens Jeremiah George 2015-4-10 415- 10 Los Angeles Western Mojave Desert, Lancaster, southeast of intersection of West Ave. I and 30th St. West, north of Jackman St. 708 Comment
  SD144127  Bromus sterilis Scott D. White 1997-5-21 5211 Los Angeles San Gabriel River Canyon; N of Azuza along Hwy 39 above San Gabriel Resevior. 487 Comment
  RSA679885  Bromus tectorum LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 846 Los Angeles East side of Punchbowl Canyon. 1585 Comment
  SEINET3923575  Bromus tectorum LeRoy Gross, Orlando Mistretta; Valerie Soza 2003-5-13 846 Los Angeles Transverse Ranges; San Gabriel Mountains region: East side of Punchbowl Canyon.; 0 1585 Comment
  LA35971  Bromus tectorum Peter H. Raven; Henry J. Thompson 1960-5-29 15427 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, 3.7 mi N of Pacific Coast Hwy. 121 Comment
  UCD114952  Cakile maritima Daryl Koutnik 1978-3-30 s.n. Los Angeles Northwest of intersection of Pacific Avenue and Culver Boulevard near base of Ballona Bluffs. 3 Comment
  CAS-BOT-BC233951  Calandrinia breweri Carl Epling 1931-4-18 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  UCR200035  Calandrinia breweri Valerie Soza, B. Hogshead 2003-4-23 1641 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  UCR187210  Calandrinia ciliata A. C. Sanders 2006-4-21 32135 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  RSA762417  Calocedrus decurrens R. G. Swinney 2008-8-13 9379 Los Angeles Icy Springs, tributary of Big Rock Creek 1756 Comment
  LA24311  Calochortus albus Martha Hilend; M. Canby Reis 1933-5-17 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA785917  Calochortus albus K. Dobry 1992-4-9 328 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  SEINET4169776  Calochortus catalinae I. W. Clokey 1935-5-9 Los Angeles Puddingstone Dam Comment
  RSA377297  Calochortus catalinae Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA377327  Calochortus clavatus var. clavatus Jack Rempel 1934-5-6 s.n. Los Angeles Mulholland Drive, Santa Monica Mountains. Comment
  RSA757997  Calochortus clavatus var. gracilis D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4251 Los Angeles Bouquet Cyn, 854 m SE of Bouquet Cyn Rd & 579 m S of Hayfork Road. Comment
  RSA747182  Calochortus invenustus Orlando Mistretta 1992-6-25 614 Los Angeles Horse Flats. Comment
  CAS-BOT-BC132483  Calochortus plummerae Alice Eastwood 1906-5-27 58 Los Angeles Garvanza Comment
  CAS-BOT-BC132486  Calochortus plummerae Ernest Braunton 1901-6-5 131 Los Angeles Hills near Sherman Comment
  SBBG126960  Calochortus plummerae A. Parikh, N. Gale 2011-6-28 3520 Los Angeles upper Big Tujunga Cyn, just N of Shortcut Station, 0.6 km N of St Hwy 2; San Gabriel Mtns 1280 Comment
  SBBG96533  Calochortus splendens M. C. Carroll 1990-9-29 3009 Los Angeles W of Lion's Head 60 Comment
  JEPS61707  Calochortus striatus Ralph Hoffmann 1931-5-4 331 Los Angeles 5 mi n Lancaster Comment
  CAS-BOT-BC496758  Calochortus venustus Tim Ross; Steve Boyd 1993-5-23 7256 Los Angeles Saddle between Red Mtn's lone E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper clearwater Canyon). 908 Comment
  SDSU21071  Calochortus weedii var. intermedius Ian Cain, Natasha Bartely 2010-6-23 1541 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 512 Comment
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Feb 26 2018
  POM29888  Calycadenia tenella Anstruther Davidson 1892-1 s.n. Los Angeles Glendale. Comment
  RSA0034117  Calystegia felix Maureen Adler 2014-6-25 s.n. Los Angeles City of Long Beach. El Dorado East Regional Park, located between San Gabriel River (west) and Coyote Creek (east). 5 Comment
  LA94888  Calystegia macrostegia subsp. cyclostegia K. Larson; J. Neel 1950-4-29 2. 2 Los Angeles Highway No. 6, 21 miles east of intersection with Highway No. 99 Comment
  RSA394903  Calystegia macrostegia subsp. intermedia H. L. Bauer 1932-03 15379 Los Angeles Mouth of Topango [Topanga] Canyon. Comment
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May 29 2014
  RSA422202  Calystegia macrostegia subsp. intermedia Robin S. Collins 1973-4-30 245 Los Angeles San Gabriel Mountains, Angeles National Forest: Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 640 Comment
  SBBG112909  Calystegia macrostegia subsp. intermedia unknown 1889-3-30 Los Angeles Santa Catalina Island Comment
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Dec 11 2016
  SBBG119347  Calystegia macrostegia subsp. intermedia V. Soza with L. Gross 2001-5-14 1211 Los Angeles above Santa Anita Cyn, ca. 0.5 mi WNW of the Santa Anita Dam; T1N R11W S10, W/2, NW/4, SW/4 762 Comment
  CATA72  Calystegia macrostegia subsp. macrostegia Mark L. Hoefs 1973-3-11 55 Los Angeles Santa Catalina Island: Renton Mine Road 213 Comment
  RSA593433  Calystegia occidentalis subsp. fulcrata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8891 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA680193  Calystegia occidentalis subsp. fulcrata Valerie L. Soza, Naomi Fraga 2003-6-13 1668 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  SBBG125463  Calystegia occidentalis subsp. fulcrata A. Parikh, N. Gale 2010-6-18 3331 Los Angeles upper Big Tujunga Cyn, 1.2 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1225 Comment
  UCR238466  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-3 2625 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 16 per TRTP Survey 2008), in the Antelope Valley, west of 70th Street west and north of the California Aqueduct 880 Comment
  RSA465666  Camissonia bistorta Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  RSA625859  Camissonia bistorta Scott D. White, Pam DeVries 1998-4-19 6277 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  SEINET4680864  Camissonia bistorta Keith Dobry 1991-5-22 D 772 Los Angeles Santa Monica Mountains, 1 mile E of Las Virgenes Rd. off Mulholland Hwy at Soka University.; 0 Comment
  HSC16411  Camissonia bistorta Jack Rockwell 1962-4-18 65 Los Angeles 2 mi. E of Playa Del Rey off of Manchester Blvd. Comment
  RSA652358  Camissonia bistorta D. Bartholomew s.n. Los Angeles [County: L.A. / San Bernardino]Off Bonnie Cove N. of Arrow Hwy. Comment
  RSA466155  Camissonia californica H. L. Bauer 1932-4-16 15367 Los Angeles Topanga Canyon. Comment
  RSA144784  Camissonia campestris subsp. campestris E. G. Linsley, J. W. McSwain 1960-5-3 60 -41 Los Angeles Along state Highway 138, 0.5 miles east of Gorman-Lancaster junction. Comment
  RSA186791  Camissonia campestris subsp. campestris Peter H. Raven 1959-4-13 13994 Los Angeles Mojave Desert, 1 miles W of Little Rock Comment
  SBBG17255  Camissonia campestris subsp. campestris K. A. Wilson 1962-5-12 1267 Los Angeles Antelope Valley, 2 mi W of Littlerock on Hwy 138 Comment
  RSA153198  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1962-7-10 17958 Los Angeles Upper reaches of Cave Canyon, the large canyon draining southwest from Thirst, San Clemente Island. Comment
  NY679613  Camissonia cheiranthifolia subsp. cheiranthifolia G. B. Grant 04 1901 3813 Los Angeles Southern California. Comment
  RSA454024  Camissonia cheiranthifolia subsp. suffruticosa Tom Burch 1940-2-22 s.n. Los Angeles Redondo Beach. Comment
  HSC16455  Camissonia claviformis C. S. Apperson 1966-4-24 Los Angeles Junction of Palmdale Blvd. and 90th St. Comment
  RSA584289  Camissonia confusa Tim S. Ross, Orlando Mistretta 1993-5-27 7344 Los Angeles W end of the San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 686 Comment
  HSC16498  Camissonia micrantha David Porter 1965-4-27 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA249779  Camissonia pallida subsp. pallida Robert F. Thorne 1973-5-11 43475 Los Angeles San Gabriel Mts., Mojave Desert slope: 1/4-1/2 mi N of Bob s Gap, N slope of Holcomb Ridge, c. 2 1/2 mi due S of Llano, in sandy wash 1159 Comment
  SEINET12189015  Camissonia refracta J. F. Bright, Wyman, C. 1933-1 8367 Los Angeles San Fernando Valley Comment
  POM3109  Camissonia strigulosa O. W. Robinson 1916-4-20 s.n. Los Angeles Near Science Hall, Pomona College, Claremont. Comment
  UCR198512  Camissonia strigulosa Kai T. Palenscar 2008-4-3 s.n. Los Angeles San Bernardino Mountains, west of Angeles Forest Hwy and off of Aliso Canyon Road 1231 Comment
  OBI70931  Camissoniopsis bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 Los Angeles Liebre Mts region. Upper end of broad alluvial valley at head of Cienaga Cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch 1280 Comment
  SBBG126884  Camissoniopsis bistorta A. Parikh, N. Gale 2011-5-19 3391 Los Angeles San Gabriel River, Whittier Narrows Nature Center, 0.2 km SE of Durfee Ave, 0.8 km SW of Peck Rd 67 Comment
  SDSU21255  Camissoniopsis bistorta S. H. Bullock 1968-4-6 47 Los Angeles Claremont, north of Foothill Blvd. between Dartmouth and College Aves. 366 Comment
  SDSU8630  Camissoniopsis guadalupensis subsp. clementina R. M. Beauchamp 1967-3-19 330 Los Angeles Growing in sand dunes south of Darter spotting station, south of West Cove, San Clemente Island Comment
  JEPS31788  Camissoniopsis hirtella C. E. Hutchinson 1892-6-4 Los Angeles San Gabriel Canyon San Gabriel Mts. 487 Comment
  UC1186567  Camissoniopsis pallida subsp. pallida E. G. Linsley and J. W. MacSwain 1959-4-5 59 -69 Los Angeles Little Rock Comment
  RSA641307  Canbya candida Orlando Mistretta, Mark A. Elvin 1995-3-30 1587 Los Angeles San Andreas Rift Zone: Mouth of Bob's Gap on east side of wash. 1.4 miles south of Crystalar Drive on 165th Street.. . Comment
  UC56945  Capsella bursa-pastoris Miss E. D. Palmer Los Angeles Los Angeles Comment
  SD1967  Cardamine Ruth B. Randall 1928-8-1 246 Los Angeles Big Tejunga Canyon. Comment
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Jul 10 2010
  CAS-BOT-BC37462  Cardamine californica Jerome S. Horton 1941-4-4 93992 Los Angeles San Dimas Canyon trail to flumes 4 & 5. 609 Comment
  SBBG128220  Cardamine californica M. L. Hoefs, S. A. Junak, J. Takara 2000-4-1 3067 Los Angeles upper Cherry Valley, above main rd 42 Comment
  CAS-BOT-BC37899  Cardamine oligosperma A. R. Roos 1958-6-12 s.n. Los Angeles Evans & Reeves Nursery, Brentwood. West Los Angeles. Comment
  SEINET13276807 Image available Carduus pycnocephalus R. G. Swinney 2011-1 14489 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA0082601  Carex R. G. Swinney 2010-8-30 13619 Los Angeles East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream. 595 Comment
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Sep 12 2018
  RSA772200  Carex R. G. Swinney 2009-5-27 10874 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Sep 12 2018
  RSA771597  Carex alma R. G. Swinney 2009-6-2 11002 Los Angeles East slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA584115  Carex alma Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 2993 Los Angeles Big Rock Creek 1254 Comment
  RSA669141  Carex alma LeRoy Gross 2002-6-24 546 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  POM308908  Carex barbarae Kay H. Beach 1943-8-27 672 Los Angeles On trail to Wolfskill Falls, San Dimas Experimental Forest, U.S. Forest Department. San Gabriel Mountains. Comment
  CAS-BOT-BC21762  Carex hassei Robert F. Thorne; J. Dourley 1967-10-10 37361 Los Angeles 1.5 miles E of Dawson Saddle. San Gabriel Moutains, Angeles National Forest. 2331 Comment
  RSA191381  Carex hassei Robert F. Thorne 1967-7-19 37131 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  SD107768  Carex heteroneura Robert F. Thorne, L. DeBuhr 1974-6-28 44750 Los Angeles San Gabriel Mountains; Angeles National Forest; Lily Springs area on north slope Mount Hawkins; drainage of south Fork Big Rock Creek; on moist seepage slope in sugar pine, whilte fir, lodgepole pine forest. 2438 Comment
  CAS-BOT-BC32150  Carex multicaulis J. Ewan; Nesta Ewan 1936-8-2 9885 Los Angeles 1 mi below head of Cedar Canyon, off Mescal Canyon. San Gabriel Mts. Comment
  POM80374  Carex multicaulis George B. Grant 1901-05 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC118979  Carex pellita O. D. Allen 1885-4-20 s.n. Los Angeles Watercourse near Pasadena. Comment
  RSA0116320  Carex praegracilis A. C. Sanders 2006-4-10 32001 Los Angeles Tehachapi Mtns. Foothills: Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  CAS-BOT-BC118422  Carex praegracilis Peter H. Raven 1962-7-11 18005 Los Angeles Along stream in upper reaches of first canyon south of Lemon Tank. Comment
  RSA656850  Carex schottii Valerie Soza, Laura Moore 2000-6-14 1015 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  CAS-BOT-BC116598  Carex subfusca Robert F. Thorne; John Olmstead 1965-8-26 35389 Los Angeles San Gabriel Mts. Angeles National Forest, Camp Lupine near Prairie Fork. 2011 Comment
  CAS-BOT-BC116603  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines, San Gabriel Mts. 2103 Comment
  SEINET3908417  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles Buckhorn, San Gabriel Mountains, Los Angeles County.; 0 1981 Comment
  RSA158719  Carex tumulicola Peter H. Raven 1962-4-10 17239 Los Angeles San Clemente Island. Gully to west side of island about 1.5 miles north of Thirst. 457 Comment
  SD40042  Carpobrotus chilensis Edith A. Purer 1931-2-21 112 Los Angeles El Segundo Comment
  UCR178187  Casimiroa tetrameria LeRoy Gross, Valerie Soza 2003-5-15 917 Los Angeles Transverse Ranges; Verdugo Mountains, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 1600 Comment
  RSA716667  Castilleja affinis Scott D. White, Pam De Vries 2006-5-10 11450 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC1348885  Castilleja affinis subsp. affinis Robert F. Thorne and P. Everett 1965-6-22 34912 Los Angeles canyon above Avalon; Santa Catalina Island 152 Comment
  RSA716885  Castilleja affinis subsp. affinis LeRoy Gross, Bryan Carey 2006-6-6 s.n. Los Angeles Road suvey for the Forest Service: Lower section of Grass Mountain Road ( 6N04.1) at junction with and north of Bouquet Canyon Road, just west of Lincoln Crest. 1098 Comment
  RSA748200  Castilleja applegatei subsp. martinii Scott D. White, Justin M. Wood 2009-5-6 12652 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA448680  Castilleja applegatei subsp. martinii George R. Johnston 1930-9-14 14628 Los Angeles Edison Road above Dark Canyon. 762 Comment
  RSA725750  Castilleja exserta A. C. Sanders, Mark A. Elvin 2003-5-1 26278 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, ca 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch. 396 Comment
  UC1063259  Castilleja exserta Jerome S. Horton 1939-5-17 542 Los Angeles 0.25 mi se San Dimas Reservoir (San Dimas Climatic Station); San Dimas Canyon, Pomona Quad. 457 Comment
  UC998920  Castilleja exserta P. O. Schallert 1944-4-28 Los Angeles Monrovia Comment
  UCR163460  Castilleja exserta B. G. Pitzer 1998-5-23 3717 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment
  SD69614  Castilleja exserta subsp. exserta Robert F. Thorne, P. Everett 1965-5-12 34610 Los Angeles Bulrush Canyon, Santa Catalina Island 244 Comment
  RSA400564  Castilleja foliolosa Christopher Davidson 1973-4-6 1857 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA0019746  Castilleja gleasoni Naomi Fraga, Emily Biben, Katie VinZant, Dani Henning 2013-7-12 4339 Los Angeles Of FS Road 3N17 near Mount Gleason. 1890 Comment
  SEINET10783829  Castilleja grisea Meryle B. Dunkle 1939-1 Los Angeles Comment
  UCD168212  Castilleja linariifolia J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR4192  Castilleja martinii R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns, Pasadena, Arroyo Seco Canyon, along road c. 2.5 miles into the canyon 426 Comment
  UCR149525  Castilleja plagiotoma R. G. Swinney 1997-6-25 5644 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UCR170612  Caulanthus Dan S. Cooper 2005-6-6 s.n. Los Angeles San Andreas Rift Zone, N of Lake Elizabeth [ESE of Lake Hughes] 1189 Comment
  SD215437  Caulanthus coulteri Steve Boyd, Lauren Raz 1997-3-25 9296 Los Angeles Upper end of broadalluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain at end of dirt road leading 1.0 km northeast of Knapp Ranch. 1096 Comment
  RSA0084171  Caulanthus lasiophyllus D. E. Bramlet, Jennifer S. Pareti 2008-5-6 4255 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. & 1.61km N of Plum Cyn. 482 Comment
  RSA729562  Caulanthus major R. G. Swinney 1999-7-5 7500 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
  RSA188098  Ceanothus arboreus Robert F. Thorne 1965-6-23 35003 Los Angeles Santa Catalina Island, lower portion of Hamilton Canyon near main fork. 122 Comment
  SBBG39116  Ceanothus arboreus E. R. Blakley 1963-4-7 5533 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  UC1204711  Ceanothus arboreus Huron H. Smith 1912-7-1 5167 Los Angeles summit Santa Cataline Island 548 Comment
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Jan 15 2015
  CAS-BOT-BC48760  Ceanothus crassifolius H. E. McMinn 1926-7-24 1796 B Los Angeles San Antonio Canyon Comment
  CAS-BOT-BC48798  Ceanothus crassifolius var. planus Huron H. Smith 1912-5-29 5031 Los Angeles Trail from summit, Santa Catalina Isl. 365 Comment
  CHSC26360  Ceanothus cuneatus H. Takahashi 1967-4-15 91 Los Angeles Palmdale area, Bouquet Canyon Rd. in Bouquet Canyon. 487 Comment
  RSA758808  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2009-3-30 DOB 1071 c Los Angeles Sierra Pelona Mountains, Ruby Canyon, 0.6 road miles east of lake Hughes Road via dirt road leading east into Ruby Canyon, 14.6 km 27 degrees true north-northeast of Castaic. 615 Comment
  RSA747371  Ceanothus greggii R. G. Swinney 2008-6-10 8977 Los Angeles Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1933 Comment
  JEPS46262  Ceanothus greggii var. vestitus A. E. Wieslander Apr 1928 Los Angeles Rock Creek San Gabriel Mountains, N side Comment
  UC1070712  Ceanothus integerrimus A. D. Gifford 1935-5-8 693 Los Angeles 4.5 mi ene Warm Springs; Tejon quad., Angeles Nat. For. 822 Comment
  CAS-BOT-BC50575  Ceanothus leucodermis W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon near Monrovia Comment
  LA32016  Ceanothus leucodermis Peter H. Raven; 1959-3-1 13826 Los Angeles 396 Comment
  LA52221  Ceanothus megacarpus A. M. Johnson; 1935-1-5 4538 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Sepulveda Canyon. 152 Comment
  RSA133808  Ceanothus megacarpus Peter H. Raven 1959-2-15 13788 Los Angeles Beverly Glen Canyon 2.6 miles north of Sunset Blvd. 213 Comment
  SEINET13946000 Image available Ceanothus megacarpus Peter H. Raven 1959-1 13826 Los Angeles Mount Hollywood Drive 0.8 miles S of Vista del Valle Dr; Griffith Park, 34 deg. 08', 118 deg. 18' W; elevation 1300 ft 396 Comment
  UC440368  Ceanothus megacarpus var. megacarpus Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UCSB3949  Ceanothus oliganthus Wedberg, Lee 1954-3-1 Los Angeles San Gabriel Mtns. 457 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  RSA587957  Ceanothus pauciflorus Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1096 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  CAS-BOT-BC63312  Ceanothus spinosus unspecified 202 Los Angeles Santa Monica Canyon. Comment
  CAS-BOT-BC63343  Ceanothus spinosus Geo. B. Grant 1901-4-21 s.n. Los Angeles Griffith Park. Comment
  OBI26223  Ceanothus spinosus Mark Schneider 1973-5-3 27 Los Angeles 1/4 mi W of Topanga Cyn Blvd, topanga cyn, Santa Monica Mts Comment
  RSA398932  Ceanothus spinosus Elbert Benjamine 1929-2-24 49 Los Angeles Laurel Canyon, Hollywood Comment
  SDSU12009  Ceanothus spinosus David Shaari, Jennifer Swenson 1995-5-1 14 Los Angeles North-facing canyon, north of dirt road, approximately 3.7 miles from Latigo Canyon Road. Slope 0.6 miles NW of Castro Peak. 756 Comment
  SFV2233  Ceanothus spinosus P. G. Kilburn 1958-2-15 608 Los Angeles Santa Monica Mountains Sepulveda Canyon. Mission Fire Trail. 300 Comment
  UCR133585  Ceanothus spinosus Tema S. Clare 1929-3-3 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon Comment
  UCSB3902  Ceanothus vestitus Wedberg, H. 1958-7-24 Los Angeles Angeles Crest Hwy. between Vincent and tunnel. San Gabriel Mtns. Comment
  SEINET10899705  Cedrus deodara David B. Dunn 1939-10-18 Dunn UMO 46519 Los Angeles Male branch from the Park near Santa Monica Blvd and Wilshire Blvd. Young female cones from a tree along Sunset Blvd, near Beverly Hill Hotell. 213 Comment
  LA202288  Centaurea cyanus Arthur C. Gibson; 2005-6-25 5035 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy. opposite Seminole Drive. Comment
  RSA723071  Centaurea melitensis LeRoy Gross 2007-5-16 2739 Los Angeles Southern side of the range: Near debris basin by Bel Aire Park. Northeast of the intersection of Bel Aire Drive and Cambridge Drive. Near 273 Comment
  RSA779871  Centaurea melitensis R. G. Swinney 2009-4-7 10299 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  POM351518  Centaurea repens Robert Gustafson 1980-7-9 1804 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA783292  Centaurium namophilum John Olmsted 1950-5-1 122 Los Angeles Along San Antonio Creek in Blanchard Park on Pomona College Campus, Claremont near eastern boundary. 366 Comment
  POM3623  Centaurium venustum Larry E. DeBuhr 1907-5-17 s.n. Los Angeles Claremont. 366 Comment
  RSA724515  Centaurium venustum K. Dobry 1992-10-25 d- 1080 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  UCR73403  Centranthus ruber T. S. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte): E-facing road embankment along Turnbull Canyon Road 274 Comment
  SD236200  Centromadia parryi subsp. australis Matthew Malle 2008-10-8 Los Angeles South Coast; Los Angeles Basin Region: Torrance, triangular parcel on west side of Crenshaw Blvd, between W. 208th St. and Dominguez St., south of Dow Chemical facility, c. 1.6 m. (air) south of 405 Fwy 20 Comment
  RSA774740  Centrostegia thurberi R. G. Swinney 2009-6-17 11170 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  CAS-BOT-BC179815  Centrostegia thurberi Alderson s.n. Los Angeles Antelope Valley Comment
  POM2207  Centrostegia thurberi var. thurberi H. M. Hall, H. P. Chandler 1906-6-11 s.n. Los Angeles Lancaster. Comment
  SEINET12161227  Ceratonia siliqua L. F. Allabach 1921-1 s.n. Los Angeles Pasadena Comment
  RSA0041469  Cercocarpus betuloides Helen M. Oster 1924-04 s.n. Los Angeles Foothills north between Vermont and Western Ave. Comment
  CAS-BOT-BC142167  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-27 10743 Los Angeles Summit of Laurel Canyon [Canon], near Los Angeles Comment
  POM609  Cercocarpus betuloides var. betuloides I. M. Johnston 1917-4-28 1372 Los Angeles San Antonio Canyon Wash 366 Comment
  CAS-BOT-BC137233  Cercocarpus betuloides var. blancheae James R. Shevock 1975-3-23 4097 Los Angeles On the north side of Orizaba Peak in the vicinity of Black Jack [Campgound] Campground, Santa Catalina Island 457 Comment
  CAS-BOT-BC137236  Cercocarpus betuloides var. blancheae Robert F. Thorne 1967-5-18 36876 Los Angeles Santa Catalina Island: slope of Wild Boar Gully 152 Comment
  RSA161096  Cercocarpus betuloides var. blancheae Peter H. Raven 1962-5-21 17800 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon 213 Comment
  RSA449411  Cercocarpus betuloides var. blancheae M. B. Dunkle 1929-4-7 2115 Los Angeles Moonstone Beach. Santa Catalina Island. Comment
  SBBG12782  Cercocarpus betuloides var. blancheae E. R. Blakley 1961-9-24 4768 Los Angeles E fork of Cherry Valley 167 Comment
  SD121079  Cercocarpus betuloides var. blancheae Michael Curto, Linda Allen 1986-5-22 296 Los Angeles along un-named tributary to Malibu Cr., Malibu Creek Road, Malibu Cr State Park 198 Comment
  CATA1777  Cercocarpus traskiae Benjamin E. Carter, Amy Catalano, John R. Clark 2012-8-2 6917 Los Angeles Santa Catalina Island: Wild Boar Gully 110 Comment
  RSA0088259  Chaenactis artemisiifolia R. G. Swinney 2010-5-25 12968 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA660827  Chaenactis artemisiifolia LeRoy Gross 2001-5-6 380 Los Angeles Verdugo Mountains Region: Along trail that comes up from Morning Glow Way off of La Tuna Canyon Rd. city of Sun Valley Comment
  RSA0001007  Chaenactis aurea L. R. Abrams 1901-07 1890 Los Angeles Wilson's Peak. 1768 Comment
  RSA0106733  Chaenactis glabriuscula R. G. Swinney 2011-5-19 14790 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 miles at 84 deg SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Colby Cyn. 1018 Comment
  SD40451  Chaenactis glabriuscula Edith A. Purer 1931-4-9 Los Angeles El Segundo Comment
  CAS-BOT-BC277350  Chaenactis glabriuscula var. glabriuscula I. M. Johnston 1918-5-12 1954 Los Angeles San Antonio Mountains. San Antonio Canon [Canyon]. Near Los Angeles Co.-San Bernardino Co. line 914 Comment
  UC53914  Chaenactis glabriuscula var. glabriuscula Ernest Braunton 1902-4-1 248 Los Angeles Griffith Park Comment
  SD111595  Chaenactis santolinoides Wayne P. Armstrong 1982-6-28 Los Angeles Summit of Mt. Islip. 2500 Comment
  UCD130436  Chaenactis santolinoides R. F. Thorne 1969-7-9 38258 Los Angeles San Gabriel Mountains, Angeles National Forest, Upper Chilao Campground. 1615 Comment
  UCR51900  Chaenactis xantiana K. S. Kamrath 1988-5-28 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, on Lake Elizabeth Rd. (Hwy N2) 3.7 miles west of Johnson Rd., at Hughes Elizabeth Lake Union School 884 Comment
  UC17616  Chamaesyce albomarginata H. S. Budd 1901-10-25 Los Angeles Los Angeles Comment
  CDA35233  Chamaesyce albomarginata L. C. Wheeler 1946-8-27 6266 Los Angeles San Gabriel Mountains; Shoemaker Canyon, just north of Pallett Ranch by side of Pear Blossom Highway. Comment
  RSA606164  Chamaesyce albomarginata L. C. Wheeler 1969-11-20 s.n. Los Angeles Los Angeles: Mission Road & Parkside Avenue. Comment
  RSA737490  Chamaesyce melanadenia D. E. Bramlet 2007-7-13 4110 Los Angeles La Verne. 152 m North of Baseline, 1.37km west of Live Oak Cyn Road & 1.28km east of Marshall Creek. Comment
  RSA607623  Chamaesyce melanadenia L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: West side of divide between Little Tujunga and Ebey Canyon, along road. 640 Comment
  CDA20740  Chamaesyce serpens M. O'Brien 2006-5-18 s.n. Los Angeles Malibu Bluffs; above the intersection of Pacific Coast Hwy. and Malibu Rd. Comment
  RSA585914  Chamaesyce serpillifolia T. S. Ross 1991-11-15 s.n. Los Angeles Claremont: RSABG grounds: Indian Hill Mesa. 405 Comment
  RSA70400  Chamaesyce serpillifolia subsp. serpillifolia F. W. Peirson 1924-9-1 5171 Los Angeles Arrastre Flat. 2271 Comment
  UC1130432  Chamaesyce serpyllifolia Jerome S. Horton 1936-8-25 384 Los Angeles Tanbark Flat 792 Comment
  SBBG130720  Chamaesyce serpyllifolia S. A. Junak 2000-7-1 SCa 1366 Los Angeles LA County Interpretive Center, Avalon 73 Comment
  CAS-BOT-BC70016  Cheilanthes covillei John Thomas Howell 1928-2-11 3344 Los Angeles along trail from Haines Canyon to Mt. Lukens, San Gabriel Mts. Comment
  UC372601  Cheilanthes covillei Marcus E. Jones, A. M. 1882-2-27 3033 Los Angeles Pasadena Comment
  RSA587482  Cheilanthes covillei Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1131 Los Angeles San Gabriel Mountains. Santiago Canyon. Slopes W of main drainage below Mt Emma. 1220 Comment
  RSA640320  Cheilanthes covillei L. C. Wheeler 1931-7-3 s.n. Los Angeles : 2 miles from Brown's Flats, on San Dimas trail. . Comment
  UCR219310  Chenopodium album Lorraine Weller 2009-5-5 050509- 03 Los Angeles Los Angeles, Greater Watts Community Gardens, 600 block East 118th Place 35 Comment
  RSA608723  Chenopodium album L. C. Wheeler 1931-3-18 s.n. Los Angeles La Verne. Comment
  RSA423401  Chenopodium ambrosioides L. C. Wheeler 1931-9-4 56 Los Angeles 2 mi. N Claremont. 412 Comment
  UC56770  Chenopodium ambrosioides Ernest Braunton 1902-7-4 525 Los Angeles Long Beach Comment
  RSA0049481  Chenopodium berlandieri Richard G. Swinney 2010-8-16 13519 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA749118  Chenopodium berlandieri R. G. Swinney 2005-8-5 8387 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UCR281160  Chenopodium berlandieri R. G. Swinney 2014-6-5 16713 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  RSA478456  Chenopodium botrys F. R. Fosberg 1930-7-3 S 3093 Los Angeles San Gabriel River, El Monte. Comment
  RSA626231  Chenopodium botrys L. C. Wheeler 1966-10-1 8926 Los Angeles San Gabriel Mountains: Big Tujunga Canyon at Colby Ranch Road. 960 Comment
  RSA701275  Chenopodium botrys LeRoy Gross 2003-5-4 823 Los Angeles South side of mountains: Along east side of Brand canyon a short distance above the large waterfall. 393 Comment
  RSA591557  Chenopodium botrys L. C. Wheeler 1966-10-6 8955 Los Angeles San Gabriel Mountains. Buckhorn guard station, Angeles Crest Highway. Comment
  RSA585376  Chenopodium californicum T. S. Ross 1991-4-27 4653 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  SBBG19145  Chenopodium californicum R. Burch 1963-12-8 Los Angeles first cyn S of Seal Cove Comment
  UC1971286  Chenopodium californicum Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast Vincent Comment
  UCR168285  Chenopodium californicum Reid Moran 1941-2-17 578 Los Angeles Channel Islamds, Middle Ranch, south side of San Clemente Island 500 Comment
  RSA736141  Chenopodium capitatum Rosemarie zimmerman 1961-4-30 39 Los Angeles Blanchard Park, Pomona College 366 Comment
  SD253434  Chenopodium fremontii R. G. Swinney 2011-7-8 15468 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak. 1207 Comment
  RSA450810  Chenopodium murale A. C. Sanders 1987-12-4 7586 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA674748  Chenopodium murale Scott D. White, B. Leatherman 2001-7-25 8723 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  SFV21719  Chenopodium murale J. N. Hogue 2010-7-15 368 .3 Los Angeles Los Angeles, Eagle Rock. 1316 Saginaw St. 207 Comment
  OBI35624  Chenopodium murale Rebecca Cicoria 1981-4-24 21 Los Angeles Upper end of Altamira Cyn, adj to Crest Rd, Rolling Hills Comment
  RSA188136  Chenopodium murale R. F. Thorne 1966-4-28 36188 Los Angeles Santa Catalina Island. Avalon, S.C.I. Co. parking lot. 15 Comment
  RSA532642  Chenopodium pratericola T. S. Ross 1991-8-14 5752 Los Angeles Roundtop Mountain. 1892 Comment
  RSA602307  Chenopodium pumilio L. C. Wheeler 1946-12-14 6452 Los Angeles San Gabriel Mountains: San Dimas Canyon; ca. 1/4 mile upstream from dam. Comment
  POM215196  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 -A Los Angeles 1 mile NE Puddingstone Dam, San Jose Hills. 351 Comment
  RSA0120028  Chlorogalum pomeridianum R. G. Swinney 2014-5-21 16609 Los Angeles San Gabriel Mountains; Glendora, along ridgetop and n. side of ridge, due south of the w. fork of Harrow Cyn., n. of the terminus of Glendora Ave., along historic and un-used Whitcomb Trail, trail abandoned in early 1970's. 549 Comment
  CAS-BOT-BC520400  Chondrilla juncea R. E. Riefner, Jr. 2015-7-19 15 -206 Los Angeles Cit of Los Angeles, Elysian Valley, E of Riverside Dr., Los Angeles River Trail, Blake Ave. btween Oros St. and Fernleaf Dr. 93 Comment
  RSA587208  Chorizanthe brevicornu var. brevicornu Orlando Mistretta, Christine Mistretta 1995-5-2 1663 C Los Angeles San Gabriel Mountains, Carr Canyon. 1037 Comment
  CAS-BOT-BC179030  Chorizanthe brevicornu var. brevicornu David D. Keck; Palmer Stockwell 1935-5-15 3303 Los Angeles 1 mi W of Llano, Victoville-Palmdale road Comment
  SD186289  Chorizanthe staticoides Andy C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, ca 1000 ft. south of Magic Mountain Theme Park 395 Comment
  SD257354  Chorizanthe staticoides R. G. Swinney 2010-3-10 11834 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 mile east of 14 Hwy, at the canyon mouth to 300 meters SE along ridgetip to the east of Whitney Canyon (Oat Mt. 7.5'Q) 441 Comment
  UC450103  Chorizanthe staticoides Geo. B. Grant 1904-6-17 169 Los Angeles Pasadena Comment
  SBBG62336  Chorizanthe watsonii R. Hoffmann 1929-5-19 Los Angeles Paradise Camp, Big Rock Crk Comment
  SBBG62283  Chorizanthe xanti var. xanti R. Hoffmann 1929-4-26 Los Angeles 2 mi W of Ravenna Comment
  UCR257518  Chorizanthe xanti var. xanti Mitch Provance 2010-4-20 0410- 17 Los Angeles Western Transverse Range, hills south of Hwy 138 in vicinity of High Desert Hunt Club, c. 3 miles east of Quail Lake 965 Comment
  UCR256187  Chrysolepis sempervirens R. G. Swinney 2010-9-23 13879 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA630255  Chrysothamnus nauseosus subsp. consimilis Scott D. White, David E. Bramlet 1998-8-11 7054 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA0036273  Chrysothamnus nauseosus subsp. mohavensis Carl B. Wolf 1931-10-23 2491 Los Angeles San Gabriel Mts., Swartout Valley, 1 mile east of Wrightwood Lodge. 1828 Comment
  SEINET4082246  Cinnamomum camphora O. M. Clark 1936-1 7522 Los Angeles Orchard Avenue, Los Angeles. Comment
  UCR145462  Cirsium arvense L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Foster Ranch, Sycamore Canyon, south slope Johnstone Peak 732 Comment
  UC1595308  Cirsium occidentale var. californicum Tim Ross and Steve Boyd 1990-6-18 3491 Los Angeles and vicinty of Camp Verdugo Pines (n draw draining to Jackson Lake); San Gabriel Mtns, Jackson Lake, Mescal Creek 1877 Comment
  UCD130640  Cirsium occidentale var. californicum P. B. Kennedy 1928-3-28 s.n. Los Angeles Ridge above Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC285592  Cirsium occidentale var. occidentale Louis C. Wheeler 1932-4-30 671 B Los Angeles Mandeville Canyon, Santa Monica Mts. 121 Comment
  CAS-BOT-BC286517  Cirsium undulatum 1945-6-25 s.n. Los Angeles Near Puente Comment
  JEPS30352  Cirsium vulgare Peter H. Raven 1962-7-14 18046 Los Angeles Botanic Garden, Claremont Claremont, Botanic Garden 320 Comment
  RSA594402  Cirsium vulgare Steve Boyd, Lauren Raz 1996-10-14 9079 Los Angeles Liebre Mountains region, 'Cow Spring Pond', a sag pond along the San Andreas Fault at the north base of Liebre Mountain in Oakdale Canyon, just west of confluence of Cow Spring Canyon. 1159 Comment
  RSA599783  Cistanthe monandra Steve Boyd, Lauren Raz 1997-3-25 9276 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA611914  Cistanthe monandra L. C. Wheeler 1934-4-24 2555 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA162763  Clarkia amoena J. D. Olmsted 1958-5-11 124 Los Angeles Claremont, drainage along San Antonio Creek on Pomona College Campus. 366 Comment
  CAS-BOT-BC172443  Clarkia bottae Alice Eastwood 1919-5-29 8958 Los Angeles San Gabriel Canyon Comment
  SBBG28051  Clarkia bottae I. W. Clokey, B. Templeton -May-1929 Los Angeles Mandeville Cyn 250 Comment
  CAS-BOT-BC172257  Clarkia cylindrica subsp. cylindrica Timothy S. Ross; Steve Boyd 1993-5-23 7257 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227 ft), ca 700 m SSW of Plum springs (in upper Clearwater Canyon), Green Valley 7.5' USGS quad., Liebre Mountains 908 Comment
  RSA580313  Clarkia cylindrica subsp. cylindrica Tim S. Ross, Steve D. Boyd 1994-5-24 7869 Los Angeles Lower NE slope of Grass Mountain: northeasterly draw and adjacent northerly slope dissected by Burns Truck Trail and draining to the upper central area of Burns Canyon. 1148 Comment
  RSA73341  Clarkia dudleyana F. W. Peirson 1920-6-10 4456 Los Angeles North slope of Echo Mtn. 915 Comment
  UC1871302  Clarkia heterandra T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3895 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
  SBBG60330  Clarkia purpurea subsp. purpurea R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  POM214269  Clarkia unguiculata Louis C. Wheeler 1932-5-25 759 Los Angeles Santa Monica Mountains: Sepulveda Canyon. 244 Comment
  RSA0044732  Clarkia unguiculata D. E. Bramlet, Jennifer Pareti 2008-4-14 4194 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  RSA609938  Clarkia unguiculata R. S. Woglum 1930-5-10 s.n. Los Angeles Western Transverse Ranges: San Fernando Valley. North Hollywood. Comment
  UCR131588  Clarkia unguiculata L. C. Wheeler 1932-5-25 759 Los Angeles Western Transverse Range; Santa Monica Mtns., Sepulveda Canyon 244 Comment
  UCR260396  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA750110  Claytonia parviflora R. G. Swinney 2008-5-5 8772 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UCR273389  Claytonia parviflora R. G. Swinney 2011-3-18 14149 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA527812  Claytonia parviflora subsp. parviflora Timothy S. Ross, Steve Boyd 1991-4-25 4572 Los Angeles San Gabriel Moutains: Doe Flat, between Graveyard Canyon and Susanna Canyon, N side of the East Fork of the San Gabriel River; Angeles National Forest, Mt. Baldy Ranger District. Comment
  RSA756179  Claytonia parviflora subsp. parviflora Orlando Mistretta, Christine Mistretta 2008-4-3 2265 Los Angeles Southern California Edison transmission line tower (Segment 5, Structure 69, per TRTP survey 2008) just south of state Hwy 14 in the vicinity of Soledad Pass 978 Comment
  RSA0080466  Claytonia peirsonii subsp. peirsonii Orlando Mistretta 1987-5-13 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Head of Delker Canyon along trail 7W08 immediately east of Kelly's Camp. 2409 Comment
  UCR16642  Claytonia perfoliata R. D. Keys 1973-4-29 s.n. Los Angeles San Gabriel Mountains, Glendora Ridge Road, 0.5 mile east of junction with Glendora Mountain Road, Angeles National Forest 1037 Comment
  UCD100742  Claytonia perfoliata Robert E. Preston 1995-3-12 710 Los Angeles Sloughhouse Road Vernal Pool Preserve. Ca. 0.8 mile SW of int. Hwy. 16 and Sloughhouse Road. 54 Comment
  POM6825  Claytonia perfoliata subsp. mexicana C. F. Baker 1904-4-22 4726 Los Angeles Monrovia Comment
  RSA675879  Claytonia perfoliata subsp. mexicana LeRoy Gross 2003-3-9 788 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north,, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  RSA386203  Clematis lasiantha Albert J. Perkins 1895-4-25 s.n. Los Angeles Mt. Lowe. Comment
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Apr 13 2014
  UCR208918  Clematis lasiantha P. H. Raven, R. F. Thorne 1964-5-7 19008 Los Angeles Transverse Ranges; Santa Monica Mountains, Saddle Rock Ranch, near Seminole Hot Springs 610 Comment
  RSA0091978  Clematis ligusticifolia R. G. Swinney 2011-11-1 15937 Los Angeles confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 634 Comment
  UC545785  Clematis ligusticifolia Annetta M. Carter 1935-9-12 980 Los Angeles San Gabriel Mts., Chilao 1615 Comment
  VVC427  Clematis ligusticifolia P. J. MacKay 1989-1 s.n. Los Angeles San Gabriel Mtns, Jackson Lake. about 10 miles west of Wrightwood on Highway N4. About 300 m from lake 1873 Comment
  CAS-BOT-BC92817  Clematis pauciflora A. M. Johnson 1933-5-20 4310 Los Angeles Fish Canyon Wash. Comment
  RSA187734  Cleome isomeris R. F. Thorne 1966-4-4 35765 Los Angeles Santa Catalina Island: near Ballast Point on E side of Catalina Harbor, Isthmus. Comment
  POM187468  Cnicus benedictus L. C. Wheeler 1933-6-24 1880 Los Angeles San Gabriel 107 Comment
  POM13528  Collinsia bartsiifolia var. davidsonii F. W. Peirson 1922-6-3 s.n. Los Angeles West of Elizabeth Lake. 1174 Comment
  RSA408412  Collinsia bartsiifolia var. davidsonii N. C. Cooper 1949-4-19 3612 Los Angeles Mojave Desert, Lancaster. 762 Comment
  UC56205  Collinsia bartsiifolia var. davidsonii H. M. Hall May 1 1902-May 3 1902 3062 a Los Angeles vicinity of Elizabeth Lake; Antelope Valley 1066 Comment
  UCR214034  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 1189 Comment
  UCR98797  Collinsia bartsiifolia var. davidsonii Steve Boyd, Lauren Raz 1997-4-16 9520 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  RSA79815  Collinsia callosa F. W. Peirson 1921-6-15 2443 Los Angeles Chilao, San Gabriel Mountains. 1646 Comment
  POM93807  Collinsia callosa Marion Hill 1926-5-9 s.n. Los Angeles San Antonio Mountains. West end of Swartout [Swarthout] Valley near Big Rock Creek. Comment
  POM4326  Collinsia childii I. M. Johnston 1917-6-15 1282 Los Angeles Cascade Canyon. 1372 Comment
  CAS-BOT-BC240948  Collinsia parryi Thomas Craig 1927-5-4 296 Los Angeles Cobal Canyon, above Claremont Comment
  RSA0117353  Collinsia parryi Louis C. Wheeler 1963-5-5 8248 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
  POM18357  Collomia grandiflora P. A. Munz 1923-6-9 6917 Los Angeles Canyon, Six miles north of Elizabeth Lake. Comment
  SFV21459  Conium maculatum L. Gross, S. Larson, V. Soza 2001-5-31 386 Los Angeles Verdugo Mountains Southeast side of mountains. At mouth of Dead Horse Canyon along road (Heather Ridge Drive) where paved road ends. 305 Comment
  UCR206460  Conium maculatum A. C. Sanders, T. B. Salvato 2009-5-20 36851 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  SD92007  Constancea nevinii Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22671 Los Angeles East side 1 mile south of Wilson's Cove. 35 Comment
  RSA503360  Convolvulus arvensis Steve Myers 1988-10-13 s.n. Los Angeles East Lancaster, at and near Little Rock Wash. between 40th St. E and 70th St. E., and between Ave. L and Ave. J. 732 Comment
  POM155662  Convolvulus arvensis M. B. Dunkle 1928-5-13 1947 Los Angeles Middle Ranch Canyon. 198 Comment
  RSA157805  Conyza bonariensis Peter H. Raven 1962-5-8 17616 Los Angeles Barracks area with Malva, Wilson Cove, San Clemente Island 76 Comment
  UCR159704  Conyza canadensis Orlando Mistretta 1992-9-14 805 Los Angeles Transverse Ranges, San Gabriel Mtns: North Fork Saddle. North Fork Management Unit, Tujunga Ranger District Comment
  UCR124026  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park 360 Comment
  SEINET3929605  Cordylanthus filifolius David Keil 1986-9-27 19738 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit.; 0 914 Comment
  UCR223404  Cordylanthus nevinii R. G. Swinney 2009-7-23 11398 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR277406  Cordylanthus rigidus R. G. Swinney 2010-8-23 13582 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  JEPS32966  Coreopsis bigelovii E. R. Blakley 1958-5-9 2269 Los Angeles hills 2 mi e Gorman 1097 Comment
  UCR282032  Coreopsis bigelovii R. G. Swinney 2014-4-24 16236 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA155910  Coreopsis gigantea Peter H. Raven 1962-5-22 17848 Los Angeles Santa Catalina Island. About 1 mile below Middle Ranch. Comment
  UC586862  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  RSA249471  Corethrogyne filaginifolia var. filaginifolia John F. Emmel 1972-9-4 411 Los Angeles At intersection of Whiting St. and Binder Place, Ele Segundo. 30 Comment
  RSA93106  Corethrogyne filaginifolia var. filaginifolia F. W. Peirson 1918-8-6 257 Los Angeles San Gabriel Mountains, just above Hennigers Flat on Mt. Wilson Toll Road 884 Comment
  RSA585824  Coronilla valentina T. S. Ross, Angelika Brinkmann-Busi 1992-3-28 6057 -a Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; Abalone Cove area; old road from Palos Verdes Drive South to Abalone Cove (now just a trail), NW of Portuguese Point and +/- SSE of the Wayfarers chapel. 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
  SD143734  Cotoneaster pannosus Scott D. White 1997-5-21 5201 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Hwy 39; canyon bottom and adjacent slopes along unnamed dirt access road to guaging station below Morris Dam. 245 Comment
  CAS-BOT-BC291370  Cotula coronopifolia Carl B. Wolf 1932-5-12 3610 Los Angeles Middle Ranch Canyon near bridge on lowe road to Isthmus, Santa Catalina Island 30 Comment
  NY387836  Cotyledon nudicaule L. Abrams 1902-7-4 2652 Los Angeles San Gabriel Cañon. Comment
  CAS-BOT-BC427581  Crassula aquatica Robert F. Thorne; D. Propst 1968-5-29 37696 Los Angeles Santa Catalina Island: margin of S end of Hay Press Reservoir 403 Comment
  RSA639742  Crassula connata L. C. Wheeler 1969-4-5 s.n. Los Angeles San Gabriel Mountains: Marek Canyon across the road from Karl Holton Camp. 426 Comment
  SEINET13729336  Crassula connata var. connata Unknown 1966-2-27 1040 Los Angeles Plants of California LOS ANGELES COUNTY Flowers rose; plants tufted, erect, mostly branched, 1 - 4 cm tall; abundant in dry rocky wash. COASTAL SAGE SCRUB VEGETATION: Wash outside of Rancho Santa Ana Botanic Garden, Claremont. Comment
  RSA202457  Cressa truxillensis A. L. (Illegible) 1956-10-1 740 Los Angeles near 17th & Marine, Venice. Comment
  RSA397733  Crossosoma californicum Reid V. Moran 1941-2-28 655 Los Angeles Johnson Valley, Santa Catalina Island 250 Comment
  UCR141314  Crossosoma californicum R. F. Thorne 1977-3-22 45761 Los Angeles Santa Catalina Island, N slope of Blackjack Mountain above Blackjack Camp 518 Comment
  UCD141941  Croton californicus Geoffrey Levin 1974-5-31 191 Los Angeles Claremont, Pomona College, Wash (Blanchard Park). Alluvial Fan of Mt. San Antonio (San Gabriel Mts.). 335 Comment
  SEINET5628202 Image available Croton californicus Mary B. Fallass 1923-1 3431 Los Angeles foot hills around Los Angeles Calif Comment
  CATA3431  Croton setiger Stuart Olshevski, Jaimie Choi, Olivia Reda 2017-5-11 006 Los Angeles Santa Catalina Island: Parsons WMU 457 Comment
  UCD59825  Crypsis schoenoides Barry Hammel 1976-8-2 402 Los Angeles Angeles National Forest, Little Rock Reservoir, San Gabriel Mountains. 1036 Comment
  UCR141322  Cryptantha barbigera R. F. Thorne 1974-4-9 44706 Los Angeles San Gabriel Mtns, Bobs Gap in Holcomb Ridge 1220 Comment
  PASA1979  Cryptantha circumscissa Frank W. Peirson 1919-5-10 Los Angeles Arraster Creek, San Gabriel Mts. 838 Comment
  RSA79610  Cryptantha circumscissa F. W. Peirson 1933-5-13 10667 Los Angeles Lovejoy Buttes, SW Mojave Desert. Comment
  SD113303  Cryptantha circumscissa Darley F. Howe 1947-5-4 1776 Los Angeles Vincent, Western MoJave Desert Comment
  SBBG95195  Cryptantha clevelandii M. B. Dunkle 1928-3-31 1763 Los Angeles Little Harbor 91 Comment
  UC2026392  Cryptantha clevelandii Louis C. Wheeler 1968-5-31 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Devil's Canyon, just above upper falls, below campground, E of windy gap. Comment
  IRVC26354  Cryptantha corollata A. C. Sanders, Mark A. Elvin 2003-4-16 26040 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  UCR154433  Cryptantha corollata A. C. Sanders, T. B. Salvato 2005-5-24 30240 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  SBBG127074  Cryptantha decipiens A. Parikh, N. Gale 2011-6-16 3476 Los Angeles Aliso Cyn, 1.5 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1095 Comment
  SEINET3152233  Cryptantha flaccida G. B. Grant 1904-6-16 239 Los Angeles Pasadena Comment
  HSC3615  Cryptantha intermedia David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  UCR200027  Cryptantha intermedia Valerie Soza, Susan Caplow 2003-4-11 1633 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway 549 Comment
  RSA729009  Cryptantha micrantha Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1963 Los Angeles Fort Tejon Road. Comment
  RSA507971  Cryptantha microstachys Steve Boyd 1988-4-28 2225 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA626510  Cryptantha microstachys Scott D. White 1998-6-10 6712 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  UCR108462  Cryptantha microstachys L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  HSC3585  Cryptantha muricata David Porter 1965-4-29 Los Angeles .5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtn. 412 Comment
  UC153565  Cryptantha muricata LeRoy Abrams 1902-6-17 2555 Los Angeles Sepulveda canyon Santa Monica Mountains Comment
  UC1871088  Cryptantha muricata Tim Ross, Walter Appleby 1993-5-13 7114 Los Angeles Western San Gabriel Mountains: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon 853 Comment
  SEINET3289848 Image available Cryptantha muricata var. jonesii M. W. Denslow, Steve Boyd 2003-5-7 1084 Los Angeles Transverse Ranges; San Gabriel Mountain region: Glendora Ridge Motorway (1N26) west of intersection with Glendora Mountain Road (2N08) . 762 Comment
  RSA0079462  Cryptantha muricata var. jonesii T. S. Ross, Peter Fritsch 1990-6-20 3686 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon. 1329 Comment
  RSA674849  Cryptantha nevadensis var. rigida Scott D. White, Kent Hughes 2000-5-17 7877 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  RSA586462  Cryptantha oxygona Orlando Mistretta, Steve D. Boyd 1994-6-21 1368 Los Angeles Santiago Canyon, near summit of Pacifico Mountain 1982 Comment
  UCR177240  Cryptantha oxygona L. C. Wheeler 1967-5-9 9380 Los Angeles San Gabriel Mtns, Aliso Canyon, east of Acton, c. 1 mi downstream from Wagonwheel Ranch 1067 Comment
  RSA80746  Cryptantha oxygona A. J. Barton 1934-3-11 11104 Los Angeles Antelope Buttes, 14 miles west of Lancaster, Mojave Desert. Comment
  SEINET9318798  Cryptantha pterocarya Unknown 2009-4-28 10537 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma (Pacifico Mtn). Pinyon-juniper woodland and chaparral, burned in c. 2006; with Quercus john-tuckeri, Eriogonum fasciculatum poliofolium, Poa secunda, etc. Comment
  SD90389  Cryptantha pterocarya var. pterocarya Robert F. Thorne, C. W. Tilforth 1973-4-20 43047 Los Angeles San Gabriel Mountains, Mojave Desert slopes; 3.2 miles south of Highway 138 along Grandview Canyon Road. 1280 Comment
  UC2049429  Cryptantha pterocarya var. pterocarya LeRoy Gross with Joy England, Naomi Fraga 2016-4-21 7551 Los Angeles Transverse Ranges; San Gabriel Mountains region: Arrastre Canyon. Started near mouth of canyon, near 34.44397N, 118.20032W . Ended on top of a small knoll, near 34.43011N, 188.18667W. Acton 7.5' Quad. Comment
  UCR280578  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-18 16128 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  RSA670644  Cryptantha similis B. C. Templeton 1932-6-1 4876 Los Angeles West Blue Ridge, Big Pines Park 2194 Comment
  LA34172  Cucurbita foetidissima Peter H. Raven; Henry J. Thompson 1959-10-14 14618 Los Angeles Santa Monica Mountains, Malibu Junction 266 Comment
  UCR50873  Cucurbita foetidissima A. C. Sanders 1988-5-18 7844 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  POM17842  Cuscuta californica P. A. Munz 1923-8-31 7689 Los Angeles ridge south of Swartout Valley 2499 Comment
  RSA0021015  Cuscuta californica Duncan S. Bell, Caitlin Elam 2013-7-11 5362 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA188694  Cuscuta occidentalis R. F. Thorne 1966-6-2 36510 Los Angeles Santa Catalina Island, near upper end of road leading to White's Landing 396 Comment
  RSA0011357  Cuscuta subinclusa Orlando Mistretta, Youssef Atallah 2011-8-12 6016 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA409722  Cuscuta subinclusa Anstruther Davidson 1890-09 s.n. Los Angeles Millards Canon, Pasadena. Comment
  RSA596460  Cuscuta subinclusa R. G. Swinney 1989-7-14 s.n. Los Angeles Big Dalton Canyon, in and near the city of Glendora. E edge of water tank at N terminus of Englewild Ave. 396 Comment
  RSA0042387  Cylindropuntia echinocarpa R. G. Swinney 2009-11-13 11605 Los Angeles Confluence of Little Rock Creek and Carr Canyon, N of Mt. Emma Rd. 909 Comment
  UCD60015  Cynodon dactylon Katharine Brandegee Date Unknown s. n. Los Angeles Catalina Island. Comment
  RSA747068  Cyperus eragrostis R. G. Swinney 2008-5-30 8910 Los Angeles San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  UCR224013  Cyperus eragrostis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11678 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA365087  Cyperus esculentus Robert Gustafson 1981-7-15 2346 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA758709  Cyperus involucratus R. G. Swinney 2008-12-2 9904 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 165 Comment
  RSA0080647  Cystopteris fragilis R. G. Swinney 2010-8-9 13483 Los Angeles Big Santa Anita Canyon, just below (downstream from) Spruce Grove Campground 915 Comment
  RSA678213  Cytisus canariensis Valerie L. Soza, LeRoy Gross 2001-4-18 1139 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, southern end of FS Road 2N40 (San Olene Station). 976 Comment
  SFV21040  Cytisus striatus L. Gross 2001-11-10 451 Los Angeles Verdugo Mountains North side of mountains off the 210 Freeway, east bound La Tuna Canyon Road exit. Opposite this exit is a road that starts out paved (Hostetter Mountainway); follow this road that parallels the freeway east until a dirt road forks off on the right (southeast). 457 Comment
  UCR207969  Dactylis glomerata Geo. L. Moxley 1917-5-19 541 Los Angeles 3900 block of Hobart Blvd., Los Angeles 46 Comment
  RSA356032  Dactyloctenium aegyptium R. F. Thorne 1975-9-4 47388 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  UC519996  Datura stramonium Louis C. Wheeler 1932-8-17 1138 Los Angeles 2 mi n Claremont 411 Comment
  RSA656381  Datura wrightii Gerald Pitto 1980-4-28 15 Los Angeles Verdugo Mountains: Edge of road, at west parking lot of Verdugo Park, Verdugo Blvd., Glendale. 305 Comment
  SBBG38677  Daucus pusillus M. B. Dunkle 1939-4-6 7300 Los Angeles Mosquito Harbor Comment
  SD39637  Daucus pusillus Edith A. Purer 1932-4-23 2772 Los Angeles Dunes, El Segundo. Comment
  SBBG94271  Deinandra clementina F. R. Fosberg 1931-5-7 S 4838 Los Angeles Santa Catalina Island 200 Comment
  SD139339  Deinandra clementina Jon Rebman, Jonathan Dunn 1996-4-29 3117 Los Angeles San Clemente Island: Eel Cove and Eel Cove Canyon on west side of island 24 Comment
  CAS-BOT-BC294072  Deinandra kelloggii David D. Keck 1933-9-19 2534 Los Angeles Brea Canyon, 3 mi. N. of Orange County line Comment
  UCR126817  Delphinium cardinale A. C. Sanders, Mark A. Elvin 2003-6-18 26956 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  RSA650491  Delphinium cardinale Rudolf Schmid 1962-6-2 s.n. Los Angeles Wash south of Campus Avenue, Upland. Comment
  CHSC4743  Delphinium depauperatum M. MacArthur 1967-6-24 58 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, San Gabriel Mts. 1524 Comment
  CHSC95803  Delphinium parishii subsp. parishii LeRoy Gross 2005-5-3 2241 Los Angeles Transverse Ranges; San Gabriel Mountains region: West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road. Near 34.36587N, 117.86280 W to 34.46838N, 117.87262W, than back to 34.47336N, 117.86053W. (Valyermo 7.5 Quad: T4N, 5N R9W, 10W S6, 1, 31, NW1/4 of 6, NE1/4 of 1, SW1/4 of 31.) Alt.: 1085-1215m/3560-3984ft. 1150 Comment
  RSA305974  Delphinium parishii subsp. parishii J. L. Huber 1975-6-8 1551 Los Angeles San Gabriel Mountains, 1 mi. north of U.S. Forest Sevice station 1524 Comment
  RSA177857  Delphinium parryi Robert F. Thorne 1965-5-10 34460 Los Angeles Santa Catalina Island: N slope of Black Jack Mountain 457 Comment
  UCR124436  Delphinium parryi I. W. Clokey, B. C. Templeton 1929-1 4555 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR127051  Delphinium parryi M. S. Enright 2003-5-24 s.n. Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. 915 Comment
  SBBG77827  Delphinium parryi subsp. maritimum F. R. Fosberg 1932-6-6 8130 Los Angeles Big Wash Cyn, Avalon 50 Comment
  CATA1144  Delphinium parryi subsp. parryi Mark L. Hoefs 1995-5-23 2135 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 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
  LA32187  Delphinium patens subsp. hepaticoideum Peter H. Raven; 1959-5-9 14171 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 243 Comment
  UCR269123  Delphinium patens subsp. montanum Orlando Mistretta, Christine Mistretta 2011-6-23 5725 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  RSA0033838  Delphinium patens subsp. montanum Robert F. Thorne, M. Z. Thorne 1969-7-10 38374 Los Angeles Angeles National Forest: Blue Ridge, Holiday Hill. 2439 Comment
  RSA783871  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 A Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  SBBG131229  Dendromecon harfordii S. A. Junak 1999-5-21 SCa 996 Los Angeles E side of Coffee Pot Cyn, just W of rd, N facing stream bank 420 Comment
  SBBG31318  Dendromecon harfordii R. F. Thorne with P. C. Everett 1965-5-10 34476 Los Angeles W side of Black Jack Mtn 487 Comment
  RSA0034896  Dendromecon rigida Kelly Williams 1980-4-30 21 Los Angeles 1.5 mi. E of Stunt Rd., Mulholland Hwy. 457 Comment
  CAS-BOT-BC192750  Deschampsia danthonioides Victor Duran 1933-7-9 3507 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  RSA0091144  Descurainia pinnata subsp. glabra R. G. Swinney 2011-5-24 14832 Los Angeles to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1049 Comment
  SD1933  Descurainia pinnata subsp. glabra Ruth B. Randall 1931-7-9 176 Los Angeles Recreation Ground, Big Pine Swartout Comment
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Jul 5 2010
  SFV6291  Descurainia sophia M. H. Grayum, B. Hannum 1974-6-1 s. n. Los Angeles Santa Susana Mountains Along main ridge road on north side of Oat Mountain. 1052 Comment
  RSA604497  Dicentra chrysantha Louis C. Wheeler 1933-6-17 1861 Los Angeles Claremont. 366 Comment
  RSA733081  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2001-4-18 7897 Los Angeles Mojave Desert: Valyermo area, ridge top c. 500 m east of south end of Bobs Gap. 1311 Comment
  RSA0056479  Dichelostemma capitatum subsp. capitatum Orlando Mistretta, Oscar Dorado 1989-5-10 s.n. Los Angeles Transverse Ranges; Liebre Mountains region: Bouquet Canyon. Comment
  RSA376842  Dichelostemma capitatum subsp. capitatum Howard Mullins 1931-3-1 s.n. Los Angeles Fern Canyon. Comment
  CATA161  Dichondra occidentalis Mark L. Hoefs, A. Douglas Propst 1973-3-14 122 Los Angeles Santa Catalina Island: By top of White's Landing Road 304 Comment
  SEINET8274766  Diplacus fremontii Robert F. Throne 1963-5-15 31658 Los Angeles 1 mile w of Los Angeles Co. line on Route 138, ca. 2 miles w of Desert Springs. 1219 Comment
  CHSC57230  Diplacus johnstonii David M. Thompson 1988-5-26 916 Los Angeles San Gabriel Mts. 3.0 mi SE of Valyermo-Big Pines road along Big Rock Creek Road, NE side of road. 1389 Comment
  CAS-BOT-BC150663  Diplacus longiflorus John H. Thomas 1957-5-3 6725 Los Angeles North of Eagle Rock, about 3-4 miles east of Pasadena 304 Comment
  UCR204050  Distichlis spicata R. G. Swinney 2005-5-21 8271 Los Angeles San Gabriel Mountains, Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  SEINET10864560  Distichlis spicata var. stolonifera G. B. Grant 1904-6-5 Grant 289 Los Angeles Redondo. Comment
  HSC6730  Dithyrea californica M. B. Walsh 1966-4-6 - 62 Los Angeles 5 mi. W of El Mirage Ranch along Palmdale-Adelanto county road Comment
  JEPS57642  Dodecahema leptoceras Frank W. Peirson 1921-6-21 2455 Los Angeles West Fork San Gabriel River San Gabriel Mountains 640 Comment
  RSA574349  Dodecatheon clevelandii subsp. clevelandii R. G. Swinney 1994-4-8 2758 Los Angeles Glendora Wilderness Park. 457 Comment
  UC1244688  Dodecatheon clevelandii subsp. insulare R. O. Ornduff, Roy L. Taylor 1960-3-18 4380 Los Angeles hillside opposite power plant near Pebble Beach (Santa Catalina Island); , near Pebble Beach Comment
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  RSA226899  Draba albertina R. F. Thorne 1971-8-25 41266 Los Angeles San Gabriel Mountains, Angeles National Forest: Lily Spring on NW slope of Mt. Hawkins. Comment
  RSA330811  Draba albertina Wayne E. Sawyer 1981-6-16 42 Los Angeles SAN GABRIEL MOUNTAINS, ANGELES NATIONAL FOREST: Lily Spring 2454 Comment
  RSA600050  Drymocallis glandulosa Steve D. Boyd, Lauren Raz 1997-5-20 9805 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  CAS-BOT-BC536113  Drymocallis glandulosa var. reflexa LeRoy Abrams 1902-6-30 2585 Los Angeles Strains camp, Mt. Wilson Comment
  LA200095  Dryopteris arguta Lawrence L. Kiefer; 1966-3-12 1710 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon, upper Las Flores Creek Rd. 304 Comment
  RSA0081774  Dryopteris arguta R. G. Swinney 2010-8-9 13481 Los Angeles Big Santa Anita Canyon, Camp Sturtevant. 1049 Comment
  RSA693717  Dryopteris arguta G. R. Proctor 1944-02 777 Los Angeles Sepulveda Canyon Comment
  UC812061  Dryopteris arguta Ira W. Clokey, B. Templeton May 1929 4539 Los Angeles Mandeville Canyon; Santa Monica Mts. 350 Comment
  RSA0124074  Dryopteris arguta Lyman Benson 1947-3-26 12284 Los Angeles Midway Between Pomona and Brea. Puente Hills 274 Comment
  RSA503487  Dudleya abramsii R. F. Thorne, C. W. Tilforth 1971-6-29 40687 Los Angeles Aliso Creek, 1.5 mi. E. of confluence. 854 Comment
  UCR189400  Dudleya cymosa R. G. Swinney 1998-6-12 6190 Los Angeles San Gabriel Mountains, southwest of Pinon Hills, 0.2 mi due east of reservoir at mouth of Mescal Canyon [along Table Mountain Road] 1448 Comment
  SBBG119290  Dudleya cymosa V. Soza, L. Gross 1999-7-15 626 Los Angeles Mt Wilson Trail where it meets upper Little Santa Anita Cyn; T1N R11W NE/4, NW/4 S5 1158 Comment
  SD207028  Dudleya pulverulenta Reid Moran 1950-12-28 3465 Los Angeles Frenchmans Flat Public Camp; upper Piru Creek. 609 Comment
  CLARK-A1528-1135  Dudleya saxosa subsp. aloides John C. Roos 1947-5-17 3625 Los Angeles Placerita Canyon Comment
  SBBG12648  Dudleya virens E. R. Blakley 1962-6-10 5244 Los Angeles 0.25 mi up cyn from its mouth; cyn half way between Eel Pt and Seal Cove 45 Comment
  SD51843  Dudleya virens Peter H. Raven 1962-7-10 17984 Los Angeles San Clemente Island; canyon below Lemon Tank. 230 Comment
  UCSB8521  Dudleya virens McElwain, Isabelle 1953-5-2 Los Angeles White's Landing, Catalina Island Comment
  UCR259085  Dysphania ambrosioides R. G. Swinney 2010-9-1 13665 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA0103474  Dysphania botrys R. G. Swinney 2011-10-18 15809 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1021 Comment
  SD215468  Dysphania botrys Louise C. Wheeler 1946-8-27 6250 Los Angeles San Gabriel Mountains: Angeles Forest Highway opposite junction of Mill Creek and Big Tujunga Canyon. 868 Comment
  SFV14724  Dysphania botrys J. C. Dittes, P. Dittes 1989-10-28 16 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. One-third of a mile up river from highway on access road. 640 Comment
  RSA595810  Echinochloa crus-galli Lauren Raz, Steve Boyd 1996-10-23 41 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 609 Comment
  RSA631384  Ehrharta calycina Valerie L. Soza, LeRoy Gross 1999-5-11 466 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, southwest of Johnstone Peak, east side of junction of Sycamore Flat Motorway and Bluebird Motorway. 868 Comment
  UCR281300  Ehrharta calycina R. G. Swinney 2014-5-19 16596 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  RSA767579  Ehrharta erecta Pamela Conway, LeRoy Gross 2010-12-27 1 Los Angeles Little Santa Anita Canyon; Short distance west from the old Mt. Wilson toll road, along trail to Orchard Camp. 395 Comment
  UCR117115  Ehrharta erecta A. C. Sanders, D. Malueg 2001-5-17 24345 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA0115818  Ehrharta erecta Steven A. Junak 1999-7-17 SCa- 1071 Los Angeles Santa Catalina Island. At Middle Ranch, Janet Takara's house, N side of house. 213 Comment
  RSA263243  Elatine brachysperma J. C. Roos 1937-7-18 397 Los Angeles Mirror Lake, San Antonio Canyon Comment
  POM84415  Elatine californica H. E. Hasse 1889-08 s.n. Los Angeles near Santa Monica Comment
  UCR259248  Eleocharis R. G. Swinney 2010-6-4 13000 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA0105203  Eleocharis acicularis var. acicularis D. Bramlet 1999-11-16 2828 Los Angeles Snow Creek, City of Industry. The locality is 15m east of Valley Blvd. and 213 south of Grand Ave. The site is 122m west of the existing San Jose Creek flood control channel. 182 Comment
  RSA530063  Eleocharis palustris Timothy S. Ross 1991-8-16 5854 Los Angeles San Gabriel Mountains, Horse Flats 1713 Comment
  UCR162511  Eleocharis parishii Anuja Parikh, Nathan Gale 2004-9-9 2091 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, along Santa Clara River (SCR sect. 2) in vicinity of confluence of Chiquito Canyon 274 Comment
  RSA9691  Eleocharis radicans L. C. Wheeler 1931-9-13 145 Los Angeles Puddingstone Dam, San Jose Hills. 274 Comment
  RSA624019  Elymus K. Scott 1921-4-20 165 Los Angeles Occidental College Campus, Highland Park Comment
  SEINET3129032  Elymus condensatus Unknown 1902-7-2 2638 Los Angeles Little Santa Anita canyon, Sierra Madre Comment
  UCR223717  Elymus elymoides R. G. Swinney 2009-6-17 11207 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  RSA0091102  Elymus glaucus R. G. Swinney 2011-8-17 15646 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UCR260364  Elymus glaucus R. G. Swinney 2010-6-21 13274 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA191104  Elymus glaucus subsp. glaucus R. F. Thorne, M. Z. Thorne 1967-6-25 37074 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  SFV21054  Elymus glaucus subsp. glaucus L. Gross, V. Soza, S. Tessel 2001-6-4 404 Los Angeles Verdugo Mountains Northwest side of mountains. Verdugo Crestiline Drive (fire road) just north of the 210 Freeway. Enter on the west side at Topley Lane off of Newhome Ave. in Sunland. Cleared area just north of rife road. Cleared for fire safety (as close to homes). 427 Comment
  UCR256835  Elymus trachycaulus R. G. Swinney 2010-10-13 14020 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  RSA708022  Elytrigia intermedia subsp. intermedia Scott D. White, Jennifer H. Jones 2005-6-23 11148 Los Angeles Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. 976 Comment
  RSA0084495  Emmenanthe penduliflora R. G. Swinney 2010-5-4 12537 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  SFV11224  Emmenanthe penduliflora D. K. Shayne 1966-3-16 136 Los Angeles Santa Susana Mountains Stony Point. 330 Comment
  UCR129425  Emmenanthe penduliflora A. C. Sanders, Mark Elvin 2002-6-20 25211 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR193512  Emmenanthe penduliflora Dan S. Cooper 2008-3-20 s.n. Los Angeles Los Angeles Basin, upslope of Ganymede Dr., east of Division St., Mt. Washington, Los Angeles 194 Comment
  RSA401558A  Emmenanthe penduliflora var. penduliflora N. C. Cooper 1949-6-29 4372 Los Angeles San Gabriel Canyon. 457 Comment
  UC1118042  Encelia actoni A. Lewis 1934-2-1 287 Los Angeles mouth of Tick Canyon; San Fernando Quadrangle, Tick Canyon 533 Comment
  JEPS34096  Encelia californica W. L. Jepson 1940-10-7 20183 Los Angeles Santa Monica Comment
  POM356643  Encelia californica M. B. Dunkle 1939-4-5 7280 Los Angeles Pyramid Cove, San Clemente Island. Comment
  SBBG132334  Encelia californica J. Savage, J. Junak 2003-4-20 ENCA- 1 Los Angeles China Beach rd 106 Comment
  SD21271  Encelia californica Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina. Comment
  UC472317  Encelia californica Crawford and Hiatt 1916-3-28 575 Los Angeles Santa Monica Mts Santa Monica Mts (hillsides) Comment
  RSA93936  Encelia californica F. W. Peirson 1921-2-26 2781 Los Angeles Topango Canyon Divide. 488 Comment
  RSA533516  Encelia farinosa var. farinosa Timothy S. Ross 1991-3-9 4165 Los Angeles Whittier Hills (Puente Hills, proparte) seepage. ca. 300ft. SW of Colima road & Camino del Sur. 213 Comment
  UCR24798  Endolepis covillei O. F. Clarke 1981-5-5 s.n. Los Angeles Western Mojave Desert, City of 'Lancaster' [Palmdale?] near Avenues 'P' and 60th [East] 784 Comment
  LA90663  Ephedra californica Ernie Small; 1967-5-7 sn Los Angeles Antelope Valley, S end of Edwards Air Force Base, on 140th St Comment
  LA6780  Ephedra nevadensis Louis Wheeler; 1932-4-10 602 Los Angeles 2 mi. W Palmdale 761 Comment
  NY70335  Ephedra nevadensis H. E. Hasse 1893-5-21 6040 Los Angeles Acton 823.0 Comment
  RSA384596  Ephedra nevadensis Ora M. Clark 1929-3-2 1906 Los Angeles Desert plains. w. Landcaster, Calif. Comment
  UCR258725  Ephedra nevadensis R. G. Swinney 2010-5-19 12836 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  CAS-BOT-BC81966  Ephedra viridis Tim Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3753 Los Angeles Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone. 1950 Comment
  LA202406  Epilobium brachycarpum Arthur C. Gibson; 2004-9-5 5060 Los Angeles Comment
  RSA578131  Epilobium brachycarpum Tim S. Ross, Steve D. Boyd 1994-9-21 8327 Los Angeles 'Cow Spring Pond': sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100m W of the Cow Spring Canyon drainage. 1149 Comment
  JEPS44019  Epilobium canum subsp. canum Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco and adjacent hills Los Angeles Comment
  RSA588448  Epilobium canum subsp. canum F. R. Fosberg 1931-7-13 S- 5392 Los Angeles St. Catharine Hotel, Descanso Canyon. Santa Catalina Island. 20 Comment
  RSA588508  Epilobium canum subsp. latifolium Fordyce Grinnell Jr. 1917-08 3270 Los Angeles [Locality unspecified] Comment
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Apr 17 2016
  RSA0116574  Epilobium ciliatum R. G. Swinney 2010-9-30 13935 Los Angeles San Gabriel Mountains; 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  UCR100435  Epilobium ciliatum Scott D. White 1992-10-8 895 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  POM123235  Epipactis gigantea Marcus E. Jones 1882-05 s.n. Los Angeles Pasadena. Comment
  UCR138698  Epipactis gigantea L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mtns, Pacoima Canyon at Ant Canyon 678 Comment
  RSA0072152  Equisetum laevigatum Orlando Mistretta, Mike Hammit 1991-4-15 s.n. Los Angeles Liebre Mountains region: San Francisquito Canyon. 543 Comment
  RSA191172  Equisetum laevigatum R. F. Thorne, M. Z. Thorne 1967-7-19 38516 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area 1981 Comment
  RSA638920  Equisetum laevigatum L. C. Wheeler 1946-8-27 6269 Los Angeles San Gabriel Mountains. Jackson lake. 1859 Comment
  UCR247272  Eragrostis Dan S. Cooper 2013-8-8 813- 43 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  UCR127377  Eragrostis cilianensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25551 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  POM352236  Eragrostis cilianensis Stone 1936-4-30 174 Los Angeles In Mr. Stones Lawn. Comment
  CAS-BOT-BC213598  Eragrostis mexicana subsp. mexicana A. J. McClatchie 1893-9-24 s.n. Los Angeles Along street, Pasadena Comment
  RSA421757  Eremocarpus setiger F. R. Fosberg 1931-7-9 S- 5357 Los Angeles Santa Catalina Island, Avalon. 40 Comment
  RSA651886  Eremocarpus setiger A. E. Hersh 1950-6-27 s.n. Los Angeles Below Faculty Hill UCLA. 60 Comment
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Aug 10 2016
  SEINET12278715  Eriastrum densifolium J. F. Bright, Wyman, C. 1932-1 7964 Los Angeles Hollywood Comment
  UCR139910  Eriastrum densifolium subsp. densifolium Scott D. White 1997-5-14 5129 Los Angeles Base of San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, east of Hansen Dam and north of Wentworth Street 351 Comment
  UCR271188  Eriastrum densifolium subsp. densifolium R. G. Swinney 2011-7-8 15513 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak 1183 Comment
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Jan 24 2017
  OBI34040  Eriastrum densifolium subsp. elongatum Mark Schneider s.n. Los Angeles Tujunga Wash 457 Comment
  UCR222982  Eriastrum sapphirinum R. G. Swinney 2009-5-13 10771 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR270833  Eriastrum sapphirinum R. G. Swinney 2011-5-24 14798 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA0121265  Eriastrum sapphirinum subsp. dasyanthum P. A. Munz 1918-5-16 2240 Los Angeles Claremont. Comment
  RSA0121271  Eriastrum sapphirinum subsp. dasyanthum M. Bisbee 1917-5-24 s.n. Los Angeles Hills north side of Eagle Rock Valley. Comment
  UC101102  Ericameria cooperi var. cooperi Joseph Burtt Davy 1896-5-19 2580 Los Angeles at Bills; West Palmdale Comment
  JEPS46231  Ericameria ericoides A. E. Wieslander 1928-4-10 Los Angeles Tujunga Canyon San Gabriel Mts., Tujunga Canyon Comment
  UCR187009  Ericameria linearifolia A. C. Sanders 2006-4-25 32177 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
  UCR209446  Ericameria nauseosa subsp. consimilis R. G. Swinney 2008-10-8 9517 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  CAS-BOT-BC298885  Ericameria nauseosa var. bernardina F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canyon, San Gabriel Mts Comment
  CAS-BOT-BC299512  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles La Sierra Canyon Divide, Santa Monica Mts. Comment
  JEPS30713  Ericameria palmeri var. pachylepis Peter H. Raven 1961-10-19 16865 Los Angeles Botanic Garden Claremont, Botanic Garden 259 Comment
  RSA620013  Ericameria palmeri var. pachylepis LeRoy Gross 1998-11-15 100 Los Angeles Santa Susana Mountains.: North on Interstate 5, exit Calgrove, west to old road, south to Towsley Canyon. City of Newhall. 426 Comment
  SBBG8353  Ericameria palmeri var. pachylepis R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  RSA0106844  Ericameria parishii R. G. Swinney 2011-10-18 15845 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
  RSA729210  Erigeron breweri R. G. Swinney 1998-10-3 6998 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
  RSA0105012  Erigeron sumatrensis R. G. Swinney 2011-10-25 15888 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 m south to 100 m north of Hwy 39. 1006 Comment
  RSA569837  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4871 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA578632  Eriodictyon crassifolium var. nigrescens Tim S. Ross, Steve D. Boyd 1994-7-7 8166 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 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
  RSA0106570  Eriodictyon parryi R. G. Swinney 2011-6-14 15153 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy & Charlton Flat entrance road. 1646 Comment
  SBBG17473  Eriodictyon trichocalyx K. A. Wilson 1962-5-12 1279 Los Angeles cyn with public cmpgrds leading to Devils Punch Bowl trail Comment
  UCR213546  Eriogonum angulosum Michael Honer 2003-7-8 1844 A Los Angeles Transverse Range, Liebre Mountains, Tapia Canyon area, c. 2-3 air miles west of I-5 Freeway junction with Ridge Route Rd. 549 Comment
  UCR209252  Eriogonum baileyi R. G. Swinney 2008-10-8 9523 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  RSA766414  Eriogonum baileyi Joseph A. Ewan 1927-10-16 1498 Los Angeles Portal Ridge side. 841 Comment
  UCD99774  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-17 10034 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Creek drainage, at head of Cienaga Canyon. Comment
  RSA127410  Eriogonum cinereum H. J. Thompson 1958-10-10 1807 Los Angeles Santa Monica Mounatins: 1 mile inland from ocean, Topanga Canyon. 61 Comment
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Apr 26 2018
  RSA766378  Eriogonum cinereum Joseph A. Ewan 1929-6-22 1505 Los Angeles Santa Monica Mtns: Rodgers Canyon. 145 Comment
  SBBG120802  Eriogonum cinereum R. Burgess, P. Munro 1998-1-25 2636 Los Angeles Cheesebro Cyn Trail, un-named cyn N of Canyon View Trail 304 Comment
  SD11878  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles Lower Topanga Canyon, about one and one-half miles east of ocean beach. Santa Monica Mts. Comment
  SEINET6332075  Eriogonum cinereum Noel H. Holmgren, James L. Reveal 1966-5-31 2616 Los Angeles California 1, about 10 miles west of Malibu Comment
  RSA725095  Eriogonum cithariforme var. agninum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -87 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  UCR269131  Eriogonum cithariforme var. agninum Orlando Mistretta, Christine Mistretta 2011-6-16 5696 Los Angeles San Gabriel Mountains, northern edge of mountains, along Southern California Edison transmission line corridor, 0.5 air miles north of Aliso Canyon Road 1141 Comment
  UCR141806  Eriogonum covilleanum June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Whitethorn Spring [presumed near former Whitethorn Campground] on the Angeles Crest Highway 2317 Comment
  CAS-BOT-BC242564  Eriogonum crocatum Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  UC1032151  Eriogonum davidsonii N. French 1934-5-11 350 Los Angeles 1 mi ne Ravenna; Tujunga Quadrangle Comment
  UCR189835  Eriogonum davidsonii R. G. Swinney 1998-9-4 6884 Los Angeles San Gabriel Mtns., dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi. east of Hwy 2 on 3N06 2241 Comment
  POM186247  Eriogonum davidsonii Joseph A. Ewan 1933-7-4 7871 Los Angeles San Gabriel Mountains: near summit Monrovia Peak 1524 Comment
  POM209510  Eriogonum elongatum H. P. Bracelin 1931-10-11 571 Los Angeles Topanga Canyon, about three miles east of ocean beach. Comment
  UC519962  Eriogonum elongatum var. elongatum Louis C. Wheeler 1932-10-7 1425 Los Angeles Eagle Rock 228 Comment
  RSA65155  Eriogonum elongatum var. elongatum F. W. Peirson 1924-12-5 5385 Los Angeles San Gabriel Mountains: along Little Santa Anita Trail 762 Comment
  RSA279964  Eriogonum fasciculatum Delzie Demaree 1933-5-30 10370 Los Angeles Playa del Rey. Comment
  SBBG118825  Eriogonum fasciculatum P. Robinson 1991-5-12 364 Los Angeles Sycamore Cyn, ca. 0.25 mi E of intersection of Beverly Blvd and Workman Mill, ca. 0.5 mi E of Workman Mill Rd (on trail into cyn) Comment
  RSA0056258  Eriogonum fasciculatum Ralph La Pietra 1951-5-10 s.n. Los Angeles Sepulveda. Comment
  RSA729703  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1998-7-27 6509 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA747194  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8995 Los Angeles Devils Punchbowl Co. Park, north base of peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1732 Comment
  UCR273219  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2011-10-18 15835 Los Angeles San Gabriel Mountains, 0.1-0.4 miles east of Switzer Campground [=Picnic Area] along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy 1037 Comment
  CAS-BOT-BC250101  Eriogonum fasciculatum var. polifolium Tim Ross; Steve Boyd 1992-7-5 6605 Los Angeles Liebre Mountains. Red Mountain: rocky summit area 1217 Comment
  CAS-BOT-BC250113  Eriogonum fasciculatum var. polifolium Le Roy Abrams; E. A. McGregor 1908-6-19 324 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  CAS-BOT-BC250116  Eriogonum fasciculatum var. polifolium H. E. Hasse 1893-5-25 s.n. Los Angeles Acton Comment
  RSA660835  Eriogonum fasciculatum var. polifolium Gerald Braden 1988-5-22 33 Los Angeles Strawberry Peak. Comment
  UC1584236  Eriogonum fasciculatum var. polifolium Tim Ross, Steve Boyd 1990-6-6 2880 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn. USGS 7.5' quadrangle 644 Comment
  UC1595259  Eriogonum fasciculatum var. polifolium Tim Ross, Peter Fritsch 1990-6-20 3627 Los Angeles mouth of Burro Canyon near confluence of the E and W forks of the San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UCR142540  Eriogonum fasciculatum var. polifolium L. C. Wheeler 1968-7-22 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest, Devil's Canyon 1433 Comment
  RSA515128  Eriogonum giganteum var. formosum Aaron Liston 1989-4-30 805 -1 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  POM2322  Eriogonum gracile N. R. Shaw 1900-6-7 s.n. Los Angeles Claremont. Comment
  RSA0013166  Eriogonum gracile var. gracile Orlando Mistretta, Christine Mistretta 2011-6-11 5680 Los Angeles Near intersection of Aliso Canyon Rd. and Southern California Edison transmission line Corridor, 3.05 miles NW of intersection of Aliso Cyn Rd. and Angeles Forest Hwy. 1000 Comment
  RSA646080  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-16 811 Los Angeles San Gabriel Mountains: North of Oak Springs. Oak Springs Trail; Tujunga Ranger District. 793 Comment
  SBBG12766  Eriogonum grande var. grande E. R. Blakley 1962-10-4 5406 Los Angeles SE side of the Isthmus Cove 6 Comment
  CAS-BOT-BC261172  Eriogonum heermannii var. heermannii Carl B. Wolf 1932-10-21 4363 Los Angeles One-eighth mile below Big Rock Ranger Station, Big Rock Creek, desert slope of San Gabriel Mts. 1066 Comment
  RSA0102542  Eriogonum hirtiflorum Richard G. Swinney 2011-6-7 15083 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UC1532962  Eriogonum kennedyi var. alpigenum Robert F. Thorne 1971-8-25 41280 Los Angeles just n saddle between Hawkins and Throop Peak summit of Mt. Hawkins; San Gabriel Mts., Angeles National Forest 2667 Comment
  RSA589191  Eriogonum maculatum Tim S. Ross 1991-4-27 4684 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  UC284825  Eriogonum microthecum var. corymbosoides P. A. Munz 1923-8-30 7661 Los Angeles n Big Pines (Swartout Valley); San Gabriel Mts., Swartout Valley 2225 Comment
  CAS-BOT-BC268748  Eriogonum mohavense A. Davidson 1897-1-1 s.n. Los Angeles Rock Creek, Mohave [Mojave] Desert Comment
  CAS-BOT-BC268788  Eriogonum mohavense A. D. E. Elmer 1902-6-1 3651 Los Angeles Lancaster Comment
  SD82809  Eriogonum mohavense W. R. Dudley, J. A. Lamb 1896-6-4 430 3 Los Angeles Lancaster Comment
  UCR166086  Eriogonum mohavense Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  RSA132991  Eriogonum plumatella Clare B. Hardham 1959-6-16 4872 Los Angeles Near Pearblossom. Comment
  RSA570343  Eriogonum pusillum Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4947 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  SD219096  Eriogonum pusillum R. F. Thorne, Walter Wisura, et al. 1982-4-20 54982 Los Angeles San Gabriel Mountains; Mojave Desert slopes; 0.25-p.5 mile north of Bob's Gap, north slope of Holcomb Ridge, ca. 2.5 miles due south of Llano. 1157 Comment
  SBBG64257  Eriogonum roseum R. Hoffmann 1927-8-31 Los Angeles NE of Acton Comment
  POM262932  Eriogonum saxatile J. C. Roos 1937-7-17 391 Los Angeles San Gabriel Mountains: trail to Telegraph Peak 2591 Comment
  SD8036  Eriogonum trichopes J. C. Nevin none given Los Angeles Antelope Valley Comment
  RSA748796  Eriogonum umbellatum var. minus R. G. Swinney 2001-8-9 8017 Los Angeles Mount Williamson, third peak from east on the ridge. 2513 Comment
  UC586896  Eriogonum umbellatum var. minus Joseph Andorfer Ewan 1934-8-6 8353 Los Angeles e slope North Baldy San Gabriel Mts., North Baldy 2743 Comment
  POM158215  Eriogonum viridescens P. A. Munz, I. M. Johnston 1928-9-5 11184 Los Angeles San Gabriel Mountains: road from Rock Creek to Swartout [Swarthout] Valley 1677 Comment
  UCR231909  Eriogonum viridescens Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8038 Los Angeles Mojave Desert, Antelope Valley, north of Palmdale and west of Air Force plant, 50 m west of Sierra Highway and 325 m north of Avenue N 779 Comment
  UCR209419  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles San Gabriel Mtns., Ball Flat, north of Jackson Lake 1890 Comment
  UCR223298  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-29 11422 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR259653  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  RSA0044670  Eriogonum wrightii var. membranaceum Lyman Benson 1947-10-9 12836 -A Los Angeles Five miles southwest [SE?] of Valyermo; Mountain Range: San Gabriel; Drainage Area: Mojave Desert 976 Comment
  UCR194630  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-8-13 6739 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  SBBG61109  Eriophyllum ambiguum R. Hoffmann 1929-4-5 Los Angeles Palmdale Comment
  CAS-BOT-BC297913  Eriophyllum confertiflorum Louis C. Wheeler 1931-11-20 366 Los Angeles 2 miles N Claremont 411 Comment
  CAS-BOT-BC297916  Eriophyllum confertiflorum John Thomas Howell 1947-7-18 23401 Los Angeles Blue Ridge, San Gabriel Mts 2590 Comment
  CAS-BOT-BC297954  Eriophyllum confertiflorum Geo. B. Grant 1902-5-18 s.n. Los Angeles Los Angeles Comment
  POM178023  Eriophyllum confertiflorum var. confertiflorum Joseph A. Ewan 1931-5-31 4280 Los Angeles East slope of San Gabriel Peak on Wilson Opids Rd. Comment
  RSA600474  Eriophyllum confertiflorum var. confertiflorum Steve Boyd, Lauren Raz 1997-4-30 9604 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  UCR270098  Eriophyllum pringlei R. G. Swinney 2011-4-20 14441 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  UC1871250  Eriophyllum wallacei T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4966 Los Angeles Transverse Ranges; Liebre Mountains region; Soledad Canyon Wash: about half mile E of Acton; T5N R13W, W1/2 SE1/4 SE1/4 section 36; elevation 2720 feet. 829 Comment
  UCR220200  Eriophyllum wallacei R. G. Swinney 2009-4-2 10245 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  POM358155  Eriophyllum wallacei Anstruther Davidson s.n Los Angeles E. Los Angeles. Comment
  RSA92530  Eriophyllum wallacei F. W. Peirson 1919-5-30 346 Los Angeles San Gabriel Mountains. 426 Comment
  RSA391771  Erodium botrys Bonnie C. Templeton, I. W. Clokey 1930-4-8 1494 Los Angeles San Fernando Valley near Sangus 300 Comment
  RSA613600  Erodium botrys Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 465 Comment
  RSA653774  Erodium cicutarium J. Bogdanoff-Lord 1989-5-24 27 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA0048584  Erodium cicutarium P. R. Brown 1970-4-27 31 Los Angeles Woodland Hills Nature Center, Canon de Lana. Comment
  UCR205920  Erysimum capitatum R. G. Swinney 2008-5-5 8766 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCR223328  Erysimum capitatum R. G. Swinney 2009-5-20 10841 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  OBI50368  Erysimum capitatum R. A. Oyler 1975-5-31 637 Los Angeles 1/4 mi up cyn from Lower San Antonio Range Station, San Antonio cyn 780 Comment
  RSA0011211  Erysimum capitatum Eileen McCollum 1932-4-10 s.n. Los Angeles El Segundo sand dune. Comment
  SFV1474  Erysimum capitatum C. Gasser 1956-3-3 s. n. Los Angeles San Gabriel Mountains 2.5 miles from Foothill Blvd. on Little Tujunga Road. 457 Comment
  RSA579317  Erysimum capitatum var. capitatum Timothy S. Ross 1994-5-31 7979 Los Angeles San Gabriel Mountains: vicinity of Pacifico Mountain: upper northerly slope of major flat-topped ridge ca. 680 m due W of Sheep Camp Spring. 2049 Comment
  LA204350  Erysimum capitatum var. capitatum Virginia Mars; 1951-4-21 sn Los Angeles US Hwy 6, 3 mi before turnoff for Angelus Crest Comment
  RSA530278  Erysimum capitatum var. capitatum L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  UCD115022  Erysimum suffrutescens Daryl Koutnik 1978-3-30 s.n. Los Angeles Dockweiler Beach, south of Ballona Creek. 15 Comment
  CHSC5084  Erythranthe nasuta Mary MacArthur 1967-6-24 69 Los Angeles .7 mi. from turn-off on Angeles Crest Hwy. to lower Chilao keeping always to right--left side of road by intermittant stream bed, Angeles National F. 1584 Comment
  RSA0068435  Eschscholzia californica R. G. Swinney 2010-8-16 13548 Los Angeles Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA188113  Eschscholzia californica Robert F. Thorne, Percy C. Everett 1965-6-23 34988 Los Angeles Santa Catalina Island. Upper part of Middle Ranch Canyon. 274 Comment
  RSA654441  Eschscholzia californica Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 980 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), NW of ''La Tuna'', above Chandler Canyon, S of La Tuna Canyon. 427 Comment
  SBBG37638  Eschscholzia californica E. R. Blakley 1963-4-7 5522 Los Angeles Middle Ranch Cyn, ca. 1 mi above Middle Ranch 228 Comment
  RSA0034935  Eschscholzia californica P. Reisentz 1975-3-8 1 Los Angeles 2 miles north of Stunt Rd. on Mulholland Hwy. 365 Comment
  RSA454359  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  POM12314  Eschscholzia californica var. peninsularis F. L. Robinson 1921-5-9 75 Los Angeles Claremont. Comment
  CAS-BOT-BC83101  Eschscholzia minutiflora Louis C. Wheeler 1932-4-10 598 Los Angeles Portal Ridge near Elizabeth Lake. 1036 Comment
  RSA248853  Eschscholzia ramosa Robert F. Thorne 1973-4-11 42873 Los Angeles San Clemente Island: dunes near Flasher, NW part of island. 3 Comment
  UCSB43818  Eschscholzia ramosa Morales, M. 1982-4-17 Los Angeles On Renton Mine Road; .6 miles south of junction; with Mt. Ada Road; Santa Catalina Island 167 Comment
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Dec 8 2014
  UCR214638  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC1870198  Eucalyptus globulus LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 408 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane off of Newhome Ave. in city of Sunland 427 Comment
  SBBG113035  Eucrypta chrysanthemifolia S. A. Junak with K. Kirkland 1998-4-30 SCa 554 Los Angeles Airport Rd, head of cyn above Hamilton Cove 316 Comment
  SBBG31474  Eucrypta chrysanthemifolia R. F. Thorne 1966-4-5 35840 Los Angeles above stream in Cottonwood Cyn 106 Comment
  UCR276795  Eucrypta chrysanthemifolia R. G. Swinney 2011-3-29 14244 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
  POM9025  Eucrypta chrysanthemifolia P. A. Munz, R. D. Harwood 1920-3-13 3358 Los Angeles San Jose Hills, Ganesha Park. 305 Comment
  UCSC000890  Eucrypta chrysanthemifolia Peter Kamb 1947-5-25 535 Los Angeles near Sunset Ridge guard station Sunset Ridge guard station - San Gabriel Mts., Millard Canyon 671 Comment
  UCR281419  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-8 16442 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  SFV17888  Eulobus californicus J. D. Dilley 1998-3-27 248 Los Angeles San Gabriel Mountains Junction of Gold Creek Road and Little Tujunga Canyon in the foothills above Sunland. 500 Comment
  UC457210  Eulobus californicus Carl Epling 1951-5-9 Los Angeles Alisos Canyon Santa Monica Mountains Comment
  UCR205660  Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley, Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 69 Comment
  RSA00036762  Euphorbia melanadenia Michelle Cleveland 1981-2-23 20 Los Angeles Puente Hills in Diamond Bar. Pomona Frwy.60, right on Grand, Right on Diamond Bar Blvd, 100 yds. down blvd. on North side to empty lot. 236 Comment
  CATA1367  Euphorbia misera Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-26 2486 Los Angeles Santa Catalina Island: Little Harbor, on hillside above upper road to Avalon 30 Comment
  UCR119531  Euphorbia ocellata var. arenicola L. C. Wheeler 1965-6-21 8694 Los Angeles Mojave Desert, c. 3 miles east of 90th Street E on Ave. O, c. 1 mile west of Alpine Butte Wildflower Sanctuary 793 Comment
  RSA606911  Euphorbia peplus L. C. Wheeler 1973-6-14 s.n. Los Angeles California State University, Long Beach. Comment
  RSA9710  Euphorbia peplus L. C. Wheeler 1932-2-20 447 Los Angeles Mandeville canyon, Santa Monica mtns. 137 Comment
  IRVC28983  Euphorbia polycarpa A. C. Sanders 2003-6-19 26970 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA128049  Euphorbia supina P. H. Raven, Henry J. Thompson 1959-6-21 14355 Los Angeles Weed in gardens. 107 Comment
  CDA4877  Euphorbia terracina T. C. Fuller 1969-7-15 18679 Los Angeles Botanic Garden, U.C.L.A., Westwood. Comment
  SBBG98672  Extriplex californica T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5089 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  SEINET10624368  Fagopyrum esculentum Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2611 Los Angeles City of San Gabriel. Mitsuwa-Yaohan Market, 515 W. Las Tunas. Comment
  RSA66311  Fallopia convolvulus F. W. Peirson 1918-5-26 1800 Los Angeles Hennigers Flat, Mt. Wilson Toll Road 854 Comment
  SBBG117114  Festuca bromoides S. A. Junak with R. N. Philbrick 2001-5-17 SCa 1520 Los Angeles N of main rd between Airport and Little Harbor 128 Comment
  SD252244  Festuca bromoides Steven A. Junak 1999-4-23 Sca 851 Los Angeles Santa Catalina Island. Plant stop. 347 Comment
  CATA1498  Festuca microstachys Mark L. Hoefs, Steven A. Junak 1996-5-1 2705 Los Angeles Santa Catalina Island: By road above Avalon Canyon, behind Wrigley Memorial 268 Comment
  RSA0103786  Festuca microstachys R. G. Swinney 2011-4-20 14461 Los Angeles San Gabriel Mountains/ Western Mohave Desert: Vincent, 2.9 miles SE of Lake Palmdale on Carson Mesa, 100-200 m east of Angeles Forest Hwy 1000 Comment
  UCR255773  Festuca myuros R. G. Swinney 2010-5-4 12493 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  CAS-BOT-BC487553  Ficus microcarpa R. E. Riefner, Jr. 2014-7-27 14 -260 Los Angeles City of Long Beach, N of E 2nd St. and W of Marine Stadium Park, Alamitos Bay, nar docks on Bay Shore Ave. between Monroe Ave. and E. Vista St. 6 Comment
  CAS-BOT-BC474716  Ficus rubiginosa R. E. Riefner, Jr. 2014-7-27 14 -262 Los Angeles City of Long Beach, N of E 2nd St., and W of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Ave. between Monroe Ave. and E. Vista St. 6 Comment
  IRVC28372  Filago californica A. C. Sanders, Tricia Wotipka 2003-4-28 26100 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA188164  Filago californica R. F. Thorne 1966-4-5 35851 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  RSA593188  Filago californica L. C. Wheeler 1967-5-8 9298 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA683137  Filago californica LeRoy Gross, Bill Hogshead, Valerie L. Sosa 2003-5-29 960 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago)., We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  RSA719497  Filago gallica Gary Kovnat, LeRoy Gross 2004-4-25 50 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  RSA0048218  Firmiana simplex Lee Haines 1951-10-7 s.n. Los Angeles 16043 Rinaldi St., San Fernando. Comment
  RSA6049  Foeniculum vulgare C. B. Wolf 1932-10-3 4214 Los Angeles Santa Catalina Island. About 1 1/4 mile from Wrigley Drive on road to Renton Mine (head of right fork of Pebbly Beach canyon) 305 Comment
  RSA710726  Foeniculum vulgare Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1346 Los Angeles La Tuna Canyon, along La Tuna Canyon Road. 427 Comment
  CAS-BOT-BC384172  Forestiera pubescens subsp. parvifolia Robert F. Thorne; Walter Wisura; Suzanne Granger; Pamela Burton 1982-4-20 55016 Los Angeles San Gabriel Mts: Near mouth of Rock Creek, N slope of mountains 1203 Comment
  OBI6079  Frangula californica subsp. californica Carl B. Wolf 1927-12-31 1463 Los Angeles Occidental college, Eagle Rock Comment
  CAS-BOT-BC53333  Frangula californica subsp. cuspidata Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3367 Los Angeles Big Rock Creek Canyon: ca 120 m NNW of Icy Springs, around a stone building that has been gutted by fire 1731 Comment
  RSA628582  Frasera neglecta Louis C. Wheeler 1967-7-15 10059 Los Angeles Mt. Waterman, on W ridge. 1951 Comment
  RSA69441  Frasera neglecta F. W. Peirson 1921-6-15 2670 Los Angeles Pine flats stream, north slope 1494 Comment
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Feb 25 2015
  LA205959  Fraxinus dipetala Willis H. Wheeler; 1930-4-13 sn Los Angeles San Gabriel Mountains, San Antonio Canyon Comment
  RSA464909  Fraxinus dipetala Albert J. Perkins 1914-5-2 s.n. Los Angeles Azusa to Rincon Trail. Comment
  RSA782491  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2009-4-13 10327 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UCR213519  Fraxinus uhdei A. C. Sanders, Karen Kirtland 2010-5-14 38357 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  UCR84430  Fraxinus uhdei T. S. Ross, Steve Boyd 1994-5-24 7835 Los Angeles Liebre Mtns, 'Cottonwood Swamp': Confluence of San Francusquito Canyon Stream and two tributaries draining off the SE slopes of Red Mtn 515 Comment
  UCR99493  Fremontodendron californicum Steve Boyd, Lauren Raz 1997-5-6 9731 Los Angeles Liebre Mtns, Northern flank of Red Mountain, near the head of Clearwater Canyon, about 0.1 mi east of the saddle divide with Ruby Canyon 915 Comment
  RSA0085500  Galium angustifolium R. G. Swinney 2010-8-9 13456 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA714789  Galium angustifolium A. C. Sanders 2003-6-19 26973 Los Angeles Western Transverse Range/Santa Clara River Watershed: hills west of San Martinez Grande Canyon, northe of Hwy 126, Newhall Ranch. 10 Comment
  UCR170624  Galium angustifolium Alex R. Van Dam 2004-4-25 033 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive near abandoned Nike Missile Base 518 Comment
  UCR204045  Galium angustifolium R. G. Swinney 2005-5-14 8239 Los Angeles San Gabriel Mountains, northeast of Valyermo, Bob's Gap, ridge-top north of lime kilns 1220 Comment
  RSA311398  Galium angustifolium subsp. angustifolium Cheryl A. Lawson 1971-6-26 398 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  SBBG14287  Galium angustifolium subsp. angustifolium H. and M. Dearing 1944-10-5 5897 Los Angeles Charlton Flat Comment
  JEPS56020  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Aloysia Kooij 1966-4-7 4216 Los Angeles 10 mi w Trail M (n of road on s-facing slope, n L.A. Co.); Lake Hughes Comment
  POM186345  Galium angustifolium subsp. angustifolium Joseph A. Ewan 1932-7-4 7575 Los Angeles Millard's Canyon, above the falls Comment
  UCR186360  Galium aparine Michael Honer 2007-4-25 2528 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon; grassy slopes c. 1 mile SW of cement processing plant 1159 Comment
  UCR205572  Galium aparine R. G. Swinney 2008-5-30 8877 Los Angeles San Gabriel Mtns., San Gabriel Canyon along old road/trail at El Encanto [El Encanto Azusa River Wilderness Park, 0.2 mi. upstream from park admin. buliding -- R.G.S., 2010] 256 Comment
  POM367737  Galium aparine M. B. Dunkle 1939-4-6 7311 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA679054  Galium aparine Valerie L. Soza, LeRoy Gross 2002-5-8 1451 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  SDSU9320  Galium aparine R. M. Beauchamp 1967-3-18 294 Los Angeles West of dump below Lemon Tank. San Clemente Island. Comment
  CAS-BOT-BC217454  Galium catalinense Geo. B. Grant No date on label. 2282 Los Angeles Avalon Isthmus Comment
  UC1409084  Galium catalinense Robert F. Thorne and Doug Propst 1973-2-12 Los Angeles on slopes of hill e Isthmus (above Banning House); Santa Catalina Island, Ironwood Gully 182 Comment
  POM367797  Galium catalinense subsp. catalinense Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  RSA187782  Galium catalinense subsp. catalinense Robert F. Thorne 1966-4-30 36349 Los Angeles Santa Catalina Island; mouth of Gallagher's Canyon. 8 Comment
  SBBG119262  Galium grande V. Soza, W. Law, L. Moore 2000-7-7 1054 Los Angeles E of White Saddle, above Cold Springs Cyn, along Silver Fish Rd, ca. 1.54 mi E of jct of Van Tassel Truck Trail (FS Rd 1N36) and Silver Fish Rd (FS Rd 1N29); T1N R10W NE/4, SE/4, SE/4 S5 853 Comment
  UC1302436  Galium grande Robert F. Thorne 1964-1-25 34053 Los Angeles n Sierra Madre; Angeles National Forest, Arroyo Seco Section, Chantry Flats 762 Comment
  CAS-BOT-BC223141  Galium johnstonii R. G. Swinney 2008-6-17 9057 Los Angeles San Gabriel Mountains: ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  JEPS9477  Galium parishii F. W. Peirson 1920-9-12 2280 Los Angeles Summit Baldy San Gabriel Mts. 3072 Comment
  CATA1867  Galium parisiense Denise Kraus 2000-7-27 47 Los Angeles Santa Catalina Island: Wild Boar Gully, northern edge of inner Cercocarpus exclosure (across gully and above C. traskiae ""B"") 182 Comment
  IRVC27794  Galium porrigens A. C. Sanders 2005-5-11 30154 Los Angeles Santa Clarita area, upper Plum Cyn along dirt track towards Cruzan Mesa from Plum Cyn Rd., NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 610 Comment
  UCR240240  Galium porrigens Dan S. Cooper 2012-4-14 412- 23 Los Angeles Western Transverse Range; Hollywood Hills, 1-mile Tree, off Western Canyon Rd., Griffith Park 270 Comment
  JEPS52950  Galium porrigens var. porrigens Lauramay T. Dempster and Clare Hardham 1965-6-16 4119 Los Angeles Angeles Crest Hwy just s Upper Chilao Recreation Area; San Gabriel Mountains Comment
  UCR197224  Galium porrigens var. porrigens Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 986 Los Angeles Verdugo Mountains, southwest side,along Verdugo Mtwy, east of junction with Stough Canyon Mtwy, above Stough Canyon, northeast side of Peak ''2646' 762 Comment
  RSA0005776  Galium siccatum var. anotinum F. W. Peirson 1918-8-7 215 Los Angeles Mt. San Antonio ('Baldy'), San Gabriel Mts. 2134 Comment
  UC1922368  Gamochaeta pensylvanica Valerie Soza, Bill Hogshead 2003-4-23 1639 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park, Brand Canyon. 457 Comment
  CAS-BOT-BC158020  Garrya veatchii Le Roy Abrams; E. A. McGregor 1908-7-5 671 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains Comment
  RSA392402  Garrya veatchii Anstruther Davidson 1893-6-12 1898 Los Angeles Switzer's Trail. Comment
  UCR190011  Garrya veatchii R. G. Swinney 1998-7-30 6598 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  RSA682469  Garrya veatchii R. E. Riefner Jr. 2000-8-29 757 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservancy Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  SBBG133658  Gastridium phleoides F. R. Fosberg 1931-4-22 4677 Los Angeles Eagles Nest, Middle Ranch Cyn 200 Comment
  UCR209948  Gayophytum R. G. Swinney 2008-7-15 9223 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA0106509  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-29 15576 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  RSA527691  Gazania longiscapa Timothy S. Ross, Annette Ross 1991-6-3 5510 Los Angeles Elephant Hill: west Pomona. 250 Comment
  LA82187  Geranium carolinianum O. H. Kappler; 1941-4-27 237 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA0108834  Gilia R. G. Swinney 2010-5-21 12887 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA773615  Gilia R. G. Swinney 2009-6-24 11241 Los Angeles summit of Granite Mountain 1988 Comment
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Dec 7 2018
  RSA587466  Gilia aliquanta subsp. aliquanta Orlando Mistretta 1995-4-11 1611 Los Angeles Santiago Canyon;W slopes of Santiago Canyon ca. 1mile SW of confluence with Little Rock Creek. 1037 Comment
  UCR190436  Gilia angelensis R. G. Swinney 2000-5-6 7674 Los Angeles San Gabriel Mtns., c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage 854 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
  UCR155652  Gilia capitata A. C. Sanders, T. B. Salvato 2005-4-26 29682 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  RSA752274  Gilia capitata subsp. abrotanifolia Justin M. Wood 2009-4-22 510 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG51638  Gilia capitata subsp. abrotanifolia R. Gustafson, C. Davidson 1977-4-20 411 Los Angeles San Clemente Island 762 Comment
  UC879812  Gilia capitata subsp. abrotanifolia I. W. Clokey and B. C. Templeton Mar. 1929 4476 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 350 Comment
  UCR270634  Gilia diegensis R. G. Swinney 2011-5-24 14822 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  CAS-BOT-BC226328  Gilia latiflora subsp. davyi Carl Epling; Lincoln Ellison; Harvey Anderson 1930-4-17 s.n. Los Angeles Mohave [Mojave] Desert, Lancaster Comment
  POM145568  Gilia latiflora subsp. davyi L. R. Abrams 1927-4-30 11725 Los Angeles Head of Antelope Valley. Comment
  LA88524  Gilia latiflora subsp. davyi O. H. Kappler; 1946-4-13 1108 Los Angeles Little Rock-Valyermo Area, Southern Antelope Valley 914 Comment
  RSA469371  Gilia latiflora subsp. latiflora Elbert Benjamine 1929-3-31 131 Los Angeles Antelope Valley. Comment
  UC908483  Gilia latiflora subsp. latiflora Herbert L. Mason 1932-4-1 6869 Los Angeles one mi e Lancaster; Mohave Desert, e of Lancaster Comment
  UC604837  Gilia latiflora subsp. latiflora Roxana S. Ferris and Ruth P. Rossbach 1938-5-13 9494 Los Angeles highway between Adelanto and Lancaster; highway between Adelanto and Lancaster Comment
  UC908498  Gilia minor Herbert L. Mason 1926-4-26 2989 Los Angeles desert slopes between Vincent and Palmdale (Mohave Desert); , btw Vincent and Palmdale Comment
  RSA775510  Gilia modocensis Orlando Mistretta, Christine Mistretta 2010-5-20 5170 Los Angeles Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  UCR194089  Gilia modocensis A. C. Sanders 2008-4-25 35119 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  UCR194300  Gilia modocensis R. G. Swinney 1998-8-5 6665 Los Angeles San Gabriel Mtns., East Fork San Gabriel River, c. 0.4 mi. south of Alder Gulch 1098 Comment
  SEINET12278756  Gilia multicaulis J. F. Bright, Wyman, C. 1933-1 8198 Los Angeles in mountains near Hollywood Comment
  SDSU3092  Gilia nevinii R. M. Beauchamp 1967-3-17 247 Los Angeles Common annual on slope east of Wilson Cove. San Clemente Island Comment
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May 16 2008
  UCR192177  Gilia ochroleuca A. C. Sanders 2008-4-17 34926 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  UC23816  Gilia ochroleuca subsp. bizonata J. Burtt Davy May 9 1896-May 24 1896 2519 Los Angeles Manzana Antelope Valley, Manzana Comment
  UCR119562  Gilia ochroleuca subsp. bizonata L. C. Wheeler 1973-4-7 s.n. Los Angeles San Gabriel Mtns., Kentucky Springs Canyon 1220 Comment
  UCR194011B  Gilia ochroleuca subsp. bizonata R. G. Swinney 1999-6-5 7241 C Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA0016252  Gilia ochroleuca subsp. bizonata L. R. Abrams, E. A. McGregor 1908-6-20 358 Los Angeles Liebre Mts. 1220 Comment
  RSA535404  Gilia sinuata Steve Boyd 1986-3-31 1567 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  SBBG118581  Gilia sinuata L. Gross, O. Mistretta, V. Soza 2003-5-13 872 a Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  SFV12655  Glinus lotoides M. H. Grayum, H. Grayum 1977-11-27 903 Los Angeles San Fernando Valley Big Tujunga Wash. In caked, hard mud flats just behind Hansen Dam. 305 Comment
  UCR125956  Gnaphalium californicum A. C. Sanders, Mark Elvin 2002-6-19 25149 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
  CATA1338  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2440 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  SBBG108953  Gnaphalium palustre S. A. Junak 1997-5-20 SCl 882 Los Angeles Ridge Rd, ca. 0.73 mi SSE of Thirst Pk, in extreme upper reaches of Cave Cyn 539 Comment
  UCR143351  Gnaphalium palustre Anstruther Davidson 1915-8-1 s.n. Los Angeles San Gabriel Mtns, Camp Baldy [Mt. Baldy Village] 1280 Comment
  SBBG131639  Gnaphalium palustre S. A. Junak 1999-9-10 SCa 1087 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  RSA453473  Godetia bottae L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  UC2013260  Goodmania luteola Larry Kelly with David Keil 1988-4-16 41 Los Angeles Antelope Valley, ca. 2 mi W of Highway 14 along Highway 138. Comment
  RSA587968  Grayia spinosa Orlando Mistretta 1992-5-4 249 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UCR160802  Grayia spinosa David Charlton 1989-4-7 2843 Los Angeles San Gabriel Mtns. (NW), Soledad Pass, Kentucky Springs development, 1 mile south of Hwy 14 on Angeles Forest Hwy (N-3), c. 5 mi. (airline) south of Palmdale 1037 Comment
  UC1215138  Guillenia lasiophylla Peter H. Raven 1962-4-9 17177 Los Angeles above Wilson Cove; San Clemente Island 60 Comment
  SFV21453  Gutierrezia californica L. Gross, V. Soza, S. Tessel 2001-6-4 401 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. On ridge that runs down to the mouth of McDonald Creek, on west side of creek but a short distance from the main crest. 366 Comment
  SD239595  Gutierrezia microcephala R. G. Swinney 2008-10-7 9466 Los Angeles San Gabriel Mtns.: Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  SEINET11849319  Haplopappus venetus subsp. vernonioides H. M. Hall 1902-1 3276 Los Angeles Santa Monica Comment
  CAS-BOT-BC231093  Harpagonella palmeri Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6947 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, on ridgetop ca 1000m NW of Mount Torquemada 396 Comment
  SBBG119925  Harpagonella palmeri A. C. Sanders 2003-4-29 26178 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  CHSC85562  Hazardia squarrosa var. grindelioides John Dittes 2003-12-23 854 Los Angeles Western Transverse Range; north slope of Verdugo Mts. In La Tuna Cyn.; ca. 3.4 air-miles north of Burbank City Hall, ca. 1.1 air-mile east by southeast of La Tuna Canyon Flood Debris Basin, ca. 2.0 air-mile south of Verdugo Hills High School; slope south of La Tuna Cyn. Road. 487 Comment
  RSA659717  Hedypnois cretica J. C. Roos 1954-5-17 s.n. Los Angeles North Kenmore and Oakdale Streets, Hollywood. Comment
  UCSB6594  Helianthus annuus Crum, Charles 1958-7-19 Los Angeles Roadside in Topanga Canyon Comment
  RSA0036282  Helianthus annuus s.n. Los Angeles Montrose 60 Comment
  POM31210  Helianthus annuus var. lenticularis Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  POM359980  Helianthus annuus var. lenticularis Wm. Martin 1971-7-26 s.n. Los Angeles Big Tujunga wash, north and east of Sunland. Comment
  RSA128016  Helianthus gracilentus Peter H. Raven 1959-10-18 14683 Los Angeles Decker Road 1.8 mi. south of Mulholland Highway 488 Comment
  OBI72021  Helianthus inexpectatus Mark Elvin 2002-7-17 2099 Los Angeles Western Transverse Range: Newhall ranch, large natural spring at N foot of "Airport Mesa", 0.75 mi SW of Castaic Jctn, above confluence of Castaic Crk with Santa Clara River (Newhall 7.5' Q 305 Comment
  UCR272920  Heliotropium curassavicum Steven A. Junak 2000-6-30 SCa- 1357 Los Angeles Channel Islands, Santa Catalina Island, upper end of Little Harbor, near camp area, campground 8 Comment
  POM369753  Heliotropium curassavicum var. oculatum Wm. Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  POM360303  Hemizonia kelloggii Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 962 Los Angeles open desert near Pearblossom, area later destroyed in construction of water project reservoir Comment
  SEINET11848435  Hemizonia pungens J. F. Bright, Wyman, C. 1931-1 5734 A Los Angeles in & around Hollywood Comment
  CATA1455  Hesperocnide tenella Mark L. Hoefs, Robert F. Thorne 1996-4-6 2637 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  RSA549581  Hesperocnide tenella Tim S. Ross 1991-3-10 4216 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  SEINET12265285  Hesperoyucca whipplei B. C. Templeton 1930-1 1475 Los Angeles near Mulholland Dr, Santa Monica Mts 600 Comment
  OBI69265  Heteromeles arbutifolia John Knapp, Denise Knapp 2003-4-13 29 Los Angeles Catalina Island 104 Comment
  RSA117139  Heteromeles arbutifolia Huron H. Smith 1912-6-18 5117 Los Angeles Rock Spring Canyon, Santa Catalina Island. 24 Comment
  SBBG38899  Heteromeles arbutifolia K. K. Muller 1953-5-2 589 Los Angeles Swain Cyn above Camp Orizaba Comment
  SBBG98604  Heteromeles arbutifolia T. Ross, A. Ross 1991-3-7 4132 Los Angeles Elephant Hill, western Pomona 237 Comment
  SDSU14341  Heteromeles arbutifolia John Viggiano 2003-4-3 27 Los Angeles South Hills Park, Glendora. 1/6 mile south from restroom at park, along trail. 244 Comment
  UCR219280  Heteromeles arbutifolia Jonas A. Winbolt, Rocky Brown 2010-8-20 010 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  LA200238  Heterotheca grandiflora Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1968-11-23 4363 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh 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
  RSA0074406  Heterotheca grandiflora Thomas S. Elias, Walter Wisura 1984-7-25 8520 Los Angeles North of Malibu; Point Dume. Comment
  RSA0075648  Heterotheca grandiflora Joseph M. Keefe 1978-5-23 23276 A Los Angeles Verdugo Mountains: Summit of hill, 200 m east of Cafeteria, Glendale College, 1500 North Verdugo Road, Glendale, San Rafael Mountains. 317 Comment
  CAS-BOT-BC310842  Heterotheca sessiliflora subsp. fastigiata Joseph Andorfer Ewan 1937-8-23 11048 Los Angeles Tujunga Canyon near its mouth, San Gabriel Mts. Comment
  UC1971145  Heuchera caespitosa Scott D. White, D. E. Bramlet 1998-8-11 7038 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
  RSA0062931  Heuchera elegans Scott D. White, Dave Bramlet 1998-8-11 7038 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA0097167  Heuchera elegans R. G. Swinney 2011-6-20 15213 Los Angeles San Gabriel Mountains: southeast margin of Crystal Lake, 10-30 meters from water line. 1692 Comment
  UC212561  Heuchera elegans I. M. Johnston 1917-7-15 1456 Los Angeles head of South Fork (by the Creek); San Antonio Mountains 1828 Comment
  RSA0063092  Heuchera elegans G. D. Wallace 1975-7-12 1449 Los Angeles San Gabriel Mountains, along Angeles Crest Hwy., one canyon east of Little Jimmy Springs. 2213 Comment
  UC73212  Hoita macrostachya Geo. B. Grant Jun 1901 1053 Los Angeles Pasadena Comment
  RSA230256  Hordeum brachyantherum subsp. californicum R. F. Thorne 1969-7-2 38315 Los Angeles SE of Angeles Crest Hwy. 3.2 miles WSW of Cloudburst summit 1951 Comment
  CATA1489  Hordeum marinum subsp. gussoneanum Mark L. Hoefs, Steven A. Junak 1996-5-1 2693 Los Angeles Santa Catalina Island: By summit reservior 408 Comment
  RSA611631  Hordeum murinum subsp. glaucum Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10113 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon., Near 34? 27' 04.5''N 118? 27' 10.4'' W 609 Comment
  RSA649007  Hordeum murinum subsp. leporinum Scott Lowe 1991-5-12 29 Los Angeles San Gabriel River channel, about 100 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  SEINET4670389  Hordeum murinum subsp. leporinum G. Grant 1901 to 1905 594 Los Angeles Pacific coast, Pasadena Comment
  RSA451643  Horkelia cuneata subsp. puberula Louis Greata 1901-03 2097 Los Angeles near Eaton Canyon. Comment
  RSA625001  Horkelia cuneata subsp. puberula Louis C. Wheeler 1963-5-5 8249 Los Angeles San Gabriel Mountains: Bear Creek, off West Fork San Gabriel River. 549 Comment
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Jul 25 2007
  CAS-BOT-BC532282  Horkelia cuneata var. puberula Wheeler 1904-5-14 6258 Los Angeles Glendora Comment
  CAS-BOT-BC532298  Horkelia cuneata var. puberula C. F. Baker 1904-4-20 4760 Los Angeles Pacific Coast, Claremont Comment
  LA207975  Horkelia parryi A. M. Johnson; 1933-5-20 4289 Los Angeles Asuza flats Comment
  UC1584264  Hulsea heterochroma Tim Ross and Steve Boyd 1990-6-6 2839 Los Angeles Green Valley Pasture San Francisquito Canyon, Lake Hughes USGS 7.5' quad. 926 Comment
  RSA225810  Hulsea vestita subsp. gabrielensis R. F. Thorne, Tilforth, Dourley 1971-7-27 41085 Los Angeles Angeles National Forest: Devil's Backbone, Mt. San Antonio 2743 Comment
  RSA679927  Hulsea vestita subsp. gabrielensis LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 936 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  RSA611662  Hymenoclea salsola Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10092 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  UCR209630  Hypericum formosum R. G. Swinney 2008-10-10 9547 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  HSC101372  Hypericum scouleri R. G. Swinney 2008-10-10 9547 Los Angeles San Gabriel Mtns.: Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  POM264729  Hypochaeris glabra L. C. Wheeler 1933-5-30 1749 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  RSA657361  Hypochaeris glabra Joseph M. Keefe 1978-4-28 22808 Los Angeles Verdugo Mountains; Henderson Canyon Creek, 0.5 Km west of Lockerbie Road on Whitting Woods Road, La Crescenta. 427 Comment
  POM171185  Hypochaeris glabra P. A. Munz 1930-04 11902 Los Angeles Claremont 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
  LA202299  Ipomoea mutabilis Arthur C. Gibson; 2004-8-25 5057 Los Angeles Santa Monica Mountains, Pacific Coast Hwy, W of Topanga Canyon Blvd at Topanga Creek Comment
  LA200221  Isocoma menziesii var. sedoides A. M. Johnson; 1931-11-22 sn Los Angeles Santa Monica Mountains, Pacific Palisades, Santa Monica, Pacific Palisades 45 Comment
  SJSU13689  Isocoma menziesii var. vernonioides C. W. Sharsmith 1946-10-18 5496 Los Angeles near head of Beverly Glen, Santa Monica Mts 304 Comment
  UC1127161  Isomeris arborea R. St. John 1930-2-9 90 Los Angeles near San Fernando Dam; San Fernando Quad. 365 Comment
  UCR100427  Isomeris arborea Scott D. White 1997-11-5 6016 Los Angeles Malibu Coast, Mouth of Trancas Canyon, north of Pacific Coast Hwy (= Calif. Hwy 1) 8 Comment
  UCR186566  Isomeris arborea A. C. Sanders 2006-4-25 32199 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  SJSU2258  Jacaranda acutifolia C. W. Sharsmith 1942-9-9 4508 Los Angeles Beverly Hills 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
  SD197807  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mountains: Glendora, Wildwood Canyon. 328 Comment
  UCR205075  Juglans californica R. G. Swinney 2008-4-9 8620 Los Angeles San Gabriel Mtns., Glendora, Wildwood Canyon 329 Comment
  UCSB11931  Juglans californica Stern, A. 1961-3-5 Los Angeles Big Tujunga Creek 3.5 mi w of Guard Station, .5 miles north of Pipe Creek; Angeles National Forest; Big Tujunga Cyn; San Gabriel Mts Comment
  SEINET10476753  Juglans californica Lyman D. Benson 1949-4-29 Benson 13597 Los Angeles Puente hills, 4 miles sw of pomona, california oak woodland, north slope heavy Soils 305 Comment
  UC535344  Juglans californica var. californica Ira W. Clokey, B. Templeton June, 1929 4585 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  RSA0011161  Juglans californica var. californica Wesley O. Griesel 1986-4-25 s.n. Los Angeles Elsmere Canyon area 457 Comment
  SD237488  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37166 Los Angeles San Gabariel Valley: Arroyo Hondo, near the shooting range, 0.42 mi. due W of Rosemead Blvd., 0.26 mi. due S of Hwy 60 (El Monte 7.5'Q) 64 Comment
  SBBG77289  Juncus acutus F. R. Fosberg 1931-5-18 4899 Los Angeles Little Harbor 5 Comment
  SBBG128435  Juncus acutus subsp. leopoldii M. L. Hoefs 1995-5-16 2036 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  SBBG31402  Juncus bufonius R. F. Thorne 1966-4-6 35901 Los Angeles margin of small reservoir N of Catalina Airport 435 Comment
  RSA574316  Juncus bufonius var. bufonius R. G. Swinney 1993-9-11 2655 Los Angeles Wrightwood, jct of Pine Rd & Hwy 2. S side of stream & adjacent to it. 1799 Comment
  SD234233  Juncus macrophyllus R. G. Swinney, Dave Larson 1999-7-21 7562 Los Angeles San Gabriel Mtns: upper Fern Canyon, San Dimas Experimental Forest, 200 m below Fern Dam #1, NE of Browns Flat (Mt Baldy 7.5' Q) 1341 Comment
  UCR191202  Juncus macrophyllus R. G. Swinney, Dave Larson 1999-7-21 7562 Los Angeles San Gabriel Mtns., upper Fern Canyon, San Dimas Experimental Forest, 200 m below Fern Dam #1, NE of Browns Flat 1341 Comment
  RSA585691  Juncus macrophyllus Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3013 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon 1255 Comment
  RSA507548  Juncus mexicanus L. C. Wheeler 1967-8-24 10495 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 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
  RSA735910  Juncus patens Justin M. Wood 2008-5-31 6 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA517162  Juncus rugulosus Timothy S. Ross, Orlando Mistretta 1990-10-9 3260 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1416 Comment
  UCR212823  Juncus rugulosus Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1837 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  RSA0065463  Juncus tenuis S. Granger 1974-6-29 s.n. Los Angeles Little Rock Creek Canyon. 1981 Comment
  UCR168559  Juncus textilis Joseph A. Ewan 1930-10-22 3431 Los Angeles Transverse Ranges; Liebre Mtns region, Bouquet Canyon, 5 miles above mouth 488 Comment
  RSA368401  Juncus xiphioides George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  UCR270849  Juncus xiphioides R. G. Swinney 2011-6-29 15342 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA589347  Juncus xiphioides Orlando Mistretta 1994-3-30 956 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  SEINET13383400 Image available Juniperus californica R. G. Swinney 2010-1 13078 Los Angeles Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  UC83  Juniperus californica W. H. Brewer 1861-1-1 126 Los Angeles San Gabriel Comment
  LA209294  Keckiella breviflora Carl B. Wolf; 1936-5-27 7842 Los Angeles San Gabriel Mountains, Indian Canyon Camp, 2 mi off Soledad Canyon 914 Comment
  CAS-BOT-BC235754  Keckiella cordifolia Robert F. Thorne; D. Propst 1968-5-27 37632 Los Angeles Santa Catalina Island: in Middle Ranch Canyon, etc. Comment
  SBBG97015  Keckiella cordifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Bryce Cyn near Malo Pt Comment
  SD4630  Keckiella cordifolia Ruth B. Randall, A. Downlee 1926-6-13 92 Los Angeles Verdugo Road Comment
  SD69007  Keckiella cordifolia Robert F. Thorne, D. Propst 1968-5-28 37667 Los Angeles Santa Catalina Island; along small stream in central part of Bulrush Canyon 244 Comment
  POM44892  Keckiella cordifolia H. E. Hasse 1889-07 s.n. Los Angeles Canyon. Comment
  CAS-BOT-BC238329  Keckiella ternata var. septentrionalis Carl B. Wolf 1927-7-27 685 Los Angeles Ridge Route Road 2 mi. so. of Forest Inn Comment
  POM50838  Kochia californica A. D. E. Elmer 1902-06 3717 Los Angeles Lancaster. Comment
  SEINET190477 Image available Koeleria macrantha V. Duran 1933-7-9 3505 Los Angeles Horse Flats San Gabriel Mts 1676 Comment
  UCR167082  Lagophylla ramosissima Scott D. White 2005-9-9 11214 Los Angeles Tehachapi Mtns, Oso Canyon, c. 1-2 air miles north of Quail Lake 1067 Comment
  UC589645  Lamarckia aurea Nell Murbarger April 1936 58 Los Angeles w side San Clemente Island San Clemente Island Comment
  UCD63303  Lamarckia aurea W. M. Phillipson 1915-6-1 s.n. Los Angeles Monrovia. Comment
  RSA392795  Lastarriaea coriacea Blanche Trask 1901-03 1450 Los Angeles Avalon, Santa Catalina Island. Comment
  CATA363  Lasthenia californica Mark L. Hoefs 1974-3-28 412 Los Angeles Santa Catalina Island: Ridge above and north of upper Bulrush Canyon, northwest exposure 335 Comment
  POM361494  Lasthenia californica L. E. Hoffman 1927-5-18 s.n. Los Angeles Palmdale School. Along Los Angeles River Comment
  CAS-BOT-BC352709  Lasthenia coronaria Ernest Braunton 1902-4-29 254 Los Angeles N. Pomona Comment
  POM361482  Lasthenia gracilis F. R. Fosberg 1931-4-16 4652 Los Angeles Bulrush Ridge, Santa Catalina Island 220 Comment
  POM50715  Lasthenia gracilis L. R. Abrams 1899-04 362 Los Angeles Soldier's Home. Comment
  RSA0110576  Lasthenia gracilis Richard G. Swinney 2011-4-19 14413 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
  SBBG13346  Lasthenia gracilis E. R. Blakley 1962-6-9 5178 Los Angeles Triangulation Pt Thirst 598 Comment
  RSA535298  Lasthenia gracilis Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-20 5331 Los Angeles San Clemente Island: west side; terrace flats between Box and Horse Canyons. 485 Comment
  RSA92913  Lasthenia gracilis F. W. Peirson 1903-4-4 1375 Los Angeles Ballona, near coast of Los Angeles County Comment
  UCR3419  Lathyrus vestitus Bob Arthur 1964-5-10 640510- 8 Los Angeles San Gabriel Mountains, Monrovia Canyon, on North Canyon Blvd, 1.5 mi. from gate 610 Comment
  RSA405680  Lathyrus vestitus var. vestitus Robin S. Collins 1973-4-30 246 Los Angeles Angeles National Forest, San Gabriel Mountains, Trail Canyon, near light duty road which leads to beginning of pack trail. 610 Comment
Read comments
Nov 4 2008
  RSA705046  Lathyrus vestitus var. vestitus E. A. Purer 1935-5-11 6561 Los Angeles Malibu Road, [Santa Monica Mountains] Comment
  RSA90276  Lathyrus vestitus var. vestitus F. W. Peirson 1924-5-26 4627 Los Angeles trail to Switzer's Camp 915 Comment
  CAS-BOT-BC520383  Layia glandulosa Steve Boyd; Gary Wallace 2011-4-14 12317 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  CHSC101344  Layia glandulosa Sula Vanderplank; LeRoy Gross, Steve Hoskinson. 2005-5-6 050506 -57 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. Along ridge, wash and roadside. 1444 Comment
  SBBG61207  Layia glandulosa R. Hoffmann 1925-4-19 Los Angeles W border of Antelope Valley Comment
  SD232189  Layia glandulosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 50506 57 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, was and roadside. 1444 Comment
  UCD168224  Layia glandulosa J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UC1537070  Layia glandulosa Gordon H. True 1935-3-6 58 Los Angeles n of Elizabeth Lake 975 Comment
  RSA0084935  Lemna R. G. Swinney 2010-6-23 13330 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  UCR19622  Lemna gibba Freda Detmers 1929-9-27 s.n. Los Angeles Los Angeles: La Brea Tar Pits 56 Comment
  RSA597142  Lemna minuta L. C. Wheeler 1961-2-28 7801 Los Angeles Santa Monica Mountains. Griffith Park, Ferndell. Comment
  SEINET4942330  Lepechinia fragrans Jay Walker, Hoefs, Mark; Thorn, Robert 1995-4-8 1333 Los Angeles Santa Catalina Island. 4km N of Avalon along paved road Comment
  CAS-BOT-BC434191  Lepidium dictyotum A. C. Sanders; T. B. Salvato; Michael Honer 2006-4-14 32078 Los Angeles Transverse Range; Liebre Mtns. Region: 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon. 976 Comment
  SBBG70810  Lepidium flavum Anstruther Davidson 1895-1 Los Angeles Lancaster Comment
  CAS-BOT-BC89702  Lepidium latifolium Scott D. White; Justin Wood 2008-5-19 12019 Los Angeles Los Angeles Basin. Whittier Narrows Dam Country Recreation Area. San Gabriel River floodplain. 70 Comment
  RSA736337  Lepidium latifolium Scott D. White, Justin Wood 2008-5-19 12019 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  HSC101304  Lepidium nitidum R. G. Swinney 2009-3-19 10145 Los Angeles San Gabriel Mtns. Foothills; Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel River channel, ~100 m north of Hwy. 39 230 Comment
  SDSU19983  Lepidium nitidum S. H. Bullock 1968-4-6 63 Los Angeles Claremont, north of foothill Blvd. between Dartmouth and College Ave. 351 Comment
  RSA177868  Lepidium nitidum R. F. Thorne, P. Everett 1965-5-11 34644 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  UCR98181  Lepidium nitidum var. nitidum Scott D. White 1997-2-2 4662 Los Angeles San Dimas/Pomona area: Bonelli Regional Park, Just NW of Puddingstone Reservoir, south of San Dimas Ave, and east of the I-210 Freeway 305 Comment
  CAS-BOT-BC60044  Lepidium virginicum var. menziesii Geo. B. Grant 1901-6-5 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC60048  Lepidium virginicum var. menziesii Tim Ross; Steve Boyd 1991-4-25 4608 Los Angeles San Gabriel Mountains. Lower Graveyard Canyon (which joins the lower east Fork of the San Gabriel River). 469 Comment
  RSA647946  Lepidium virginicum var. pubescens Naomi Zohman 1985-4-28 26 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  RSA306178  Lepidospartum squamatum Fay A. MacFadden 1931-9-15 s.n. Los Angeles La Tuna Canyon, Verdugo Hills Comment
  RSA607922  Lepidospartum squamatum L. C. Wheeler 1961-6-13 7874 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  RSA95032  Lepidospartum squamatum F. W. Peirson 1924-10-26 5266 Los Angeles Below California Street bridge, Arroyo Seco, Pasadena Comment
  UCR137146  Leptochloa uninervia Geo. L. Moxley 1917-9-19 639 Los Angeles Oakwood Ave. [between Beverly Blvd. & Melrose Ave., south of West Hollywood, vicinity of La Brea Ave.], Los Angeles 76 Comment
  UCR178917  Leptodactylon californicum R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon at 'Owl Flats 473 Comment
Read comments
Jul 30 2010
  UCR190083  Leptodactylon pungens R. G. Swinney 1998-8-27 6816 Los Angeles San Gabriel Mtns., West Baldy Peak 3040 Comment
  CHSC4749  Leptosiphon breviculus M. MacArthur 1967-6-24 64 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, Angeles National Forest. 1584 Comment
  RSA0095150  Leptosiphon breviculus Mark Hotchkiss 1977-5-20 s.n. Los Angeles San Gabriel Mtns. Batchelder Range. 1310 Comment
  RSA233543  Leptosiphon breviculus R. F. Thorne, C. W. Tilforth 1972-6-29 42090 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  RSA634230  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1969-7-10 38399 Los Angeles Along Mescal Creek. 2043 Comment
  RSA679197  Leptosiphon ciliatus Michael Denslow, LeRoy Gross 2003-5-12 1145 Los Angeles West Fork of San Gabriel River, along Rincon Red Box Road (2N24.1) 1220 Comment
  POM364639  Leptosiphon liniflorus Fordyce Grinnell Jr. 1915-9-6 s.n. Los Angeles Near Pasadena. Comment
  UCR259582  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR212831  Lessingia filaginifolia var. filaginifolia Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1810 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River main stem, Pejos Canyon near USGS [benchmark] marker el. 1974. Cliff next to road [Hwy 39] on south side of bridge 602 Comment
  UCR239980  Lessingia glandulifera var. glandulifera R. G. Swinney 2009-11-13 11610 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  POM9152  Lessingia glandulifera var. glandulifera Edward L. Greene 1903-8-1 3444 Los Angeles Claremont. 365 Comment
  CAS-BOT-BC283777  Leymus cinereus A. D. E. Elmer 1902-6-1 3662 Los Angeles Lancaster Comment
  POM1323  Leymus cinereus W. R. Dudley, F. H. Lamb 1896-6-4 4304 Los Angeles Lancaster. Comment
  RSA187990  Leymus condensatus R. F. Thorne, Percy C. Everett 1965-6-23 34993 Los Angeles Santa Catalina Island: near mouth of Hamilton Canyon NW of Avalon; 23 Comment
  UCD64304  Leymus condensatus J. Warren 1952-5-15 Los Angeles Mulholland Drive. 457 Comment
  RSA729591  Leymus triticoides R. G. Swinney 1999-6-30 7491 Los Angeles San Gabriel Mtns.: Grand View Canyon, c. 1.1 mi. north of Big Pines hwy at All Nation Camp 1585 Comment
  SBBG12990  Leymus triticoides E. R. Blakley 1962-10-5 5448 Los Angeles Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  SBBG13555  Leymus triticoides P. H. Raven 1962-5-21 17810 Los Angeles Middle Cyn above 4 mi above ranch 274 Comment
  UCR12194  Lilium humboldtii Art Whistler 1966-6-20 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., valley between Coral Canyon Road and the Coast Hwy [Calif. Hwy 1] near Malibu Beach, 30 mi from Woodland Hills 34 Comment
  UCD139735  Lilium humboldtii subsp. ocellatum J. E. Stumbo 1966-10-7 LASCA 561 Los Angeles Clamshell Canyon, extreme northwestern Monrovia. At base of southernmost foothills to San Gabriel Mountains. 304 Comment
  UCR229514  Limonium californicum Jeremiah George 2011-8-18 s.n. Los Angeles South Coast, Wilmington, NE corner of intersection of Pacific Coast Hwy and Terminal Island (103) Fwy 3 Comment
  OBI11597  Limonium perezii Ron Pecoff 1961-4-27 s.n. Los Angeles Playa del Rey Comment
  LA85758  Limonium perezii P. R. Atsatt; 1965-7-10 554 Los Angeles Santa Monica Mountains, Pacific Coast Hwy, 1.0 mi W of Topanga Canyon Rd Comment
  SD30986  Limonium sinuatum Edith A. Purer 1931-5-4 1031 Los Angeles Palos Verdes Hills. Comment
  UCR229154  Linanthus aureus Dan S. Cooper 2011-5-5 511- 50 A Los Angeles Western Mojave Desert, Antelope Valley, 5.4 mi southeast (119 deg. ) of Neenach, south of Ripley Reserve, south of Hwy 138 938 Comment
  LA52330  Linanthus californicus Carl Epling; L. Ellison 1929-3-16 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA463699  Linanthus californicus Gene Cooper 1961-5-30 s.n. Los Angeles Big Dalton Canyon, Glendora. Comment
  LA103312  Linanthus dianthiflorus Barry A. Prigge; 1986-3-19 6933 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 22 Comment
  RSA0016795  Linanthus dianthiflorus subsp. dianthiflorus Richard C. Barkelew 1929-4-14 s.n. Los Angeles Mulholland Hwy. Comment
  RSA735820  Linanthus parryae Rosemarie Zimmermann 1964-5-1 367 Los Angeles Valyermo 1372 Comment
  UCR162290  Linum usitatissimum Anuja Parikh, Nathan Gale 2004-6-2 2031 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, along Santa Clara River (SCR sect. 3) in vicinity of confluence of Castaic Creek 290 Comment
  UCR220352  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  UCR182857  Lithophragma R. G. Swinney 1998-4-4 5912 Los Angeles San Gabriel Mtns, Evey Canyon, c. 0.75 mi. west of Mt. Baldy Rd., c. 0.3 mi. (air) NE of Potato Mtn. 793 Comment
  POM155812  Lithophragma affine subsp. mixtum M. B. Dunkle 1928-4-21 s.n. Los Angeles Santa Catalina Island. Renton Mine Road 274 Comment
  RSA225724  Lithophragma heterophyllum R. F. Thorne, A. C. Gibson 1971-5-22 39760 Los Angeles San Gabriel Mountains, Angeles National Forest: Fish Canyon, somewhat below Falls. 396 Comment
  RSA247362  Lithophragma heterophyllum G. D. Wallace 1966-3-25 213 Los Angeles Millard Canyon, N of Altadena. 457 Comment
  UCR256555  Lobelia dunnii var. serrata Anuja Parikh, Nathan Gale 2011-7-18 3567 Los Angeles Transverse Range; San Gabriel Mountains, West Fork San Gabriel River, 3.9 km west of State Hwy 39, San Gabriel Canyon Road 537 Comment
  VVC151  Lobularia maritima P. J. MacKay 1975-4-22 s.n. Los Angeles Campus of Cal Poly Pomona, Manison Lane 220 Comment
  RSA584346  Loeflingia squarrosa subsp. squarrosa Timothy S. Ross 1994-5-1 7596 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SBBG117023  Logfia arizonica S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1510 Los Angeles rd to Cape Cyn ridgetop, on N side of Middle Ranch Cyn 402 Comment
  SD52881  Logfia arizonica Peter H. Raven 1962-5-8 17592 Los Angeles San Clemente Island, slopes above Seal Cove. 39 Comment
  UCR273557  Logfia filaginoides R. G. Swinney 2011-5-10 14639 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA535328  Lolium perenne subsp. multiflorum Timothy S. Ross 1991-5-20 5359 Los Angeles San Clemente Island, uppermost reaches of the Wilson Cove Canyon drainage; 3300 ft. NW of the 750 ft BM 142 Comment
  RSA623854  Lolium perenne subsp. multiflorum Jon E. Keeley 1979-5-10 7285 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  UCR103486  Lomatium dasycarpum R. G. Swinney 1994-5-7 2818 Los Angeles San Gabriel Mtns., San Gabriel Mtns, Glendora Wilderness Park, c. 200 yds south of lower Monroe Mountainway on ridge, just west of Mystic Canyon Trail. north of Big Dalton Canyon Road 549 Comment
  UCR222994  Lomatium dasycarpum R. G. Swinney 2009-5-6 10654 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA199013  Lomatium lucidum W. M. Gauntt 1966-4-9 142 -A Los Angeles Junction of Glendora Mountain Road with Glendora Ridge Road 915 Comment
  RSA252876  Lomatium mohavense R. F. Thorne 1973-5-11 43516 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA719027  Lomatium mohavense R. G. Swinney 1998-4-14 5975 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  RSA653154  Lomatium mohavense B. Pitzer 1998-5-23 3749 Los Angeles Soledad Canyon: vicinity of Soledad Pass, Soledad Canyon Rd ca 1/2 mi. S of Sierra Hwy., 34 29.26'N, 118 08.2W [UTM 10km cell: 11SLJ-9E, 1N. Soledad Canyon] 945 Comment
  HSC21542  Lomatium utriculatum C. S. Apperson 1966-5-16 Los Angeles 16 mi. E of Gorman on Ave. D. Comment
  CATA319  Lonicera hispidula Mark L. Hoefs, A. Douglas Propst 1973-6-5 346 Los Angeles Santa Catalina Island: Skull Canyon 182 Comment
  RSA455170  Lonicera hispidula var. vacillans Anstruther Davidson 1893-8-22 s.n. Los Angeles Santa Catalina Island. Comment
  SDSU1434  Lonicera hispidula var. vacillans R. M. Beauchamp 1966-8-8 53 Los Angeles Santa Catalina Island. 122 Comment
  CAS-BOT-BC240747  Lonicera interrupta Le Roy Abrams; E. A. McGregor 1908-7-5 629 Los Angeles Swartout [Swarthout] Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  UCR132313  Lonicera subspicata John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA608503  Lonicera subspicata var. denudata L. C. Wheeler 1930-5-31 48 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  PASA1065  Lotus argophyllus Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA526553  Lotus argophyllus subsp. ornithopus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4239 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA622842  Lotus argophyllus var. argophyllus L. C. Wheeler 1968-7-3 s.n. Los Angeles North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA273129  Lotus argophyllus var. ornithopus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Catalina Harbor, Santa Catalina Island. Comment
  UCR99499  Lotus crassifolius Steve Boyd, Lauren Raz 1997-5-20 9822 Los Angeles Liebre Mountains, SE flank of Liebre Mtn, along ridge dividing Fish Canyon and Bear Canyon drainages, NE of Atmore meadows, along rough dirt track following old fuelbreak 1738 Comment
  RSA674634  Lotus humistratus Scott D. White, Kent Hughes 2000-5-16 7865 Los Angeles Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UC80704  Lotus humistratus Anstruther Davidson Los Angeles near Lancaster Comment
  RSA406209  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1931-8-27 28 Los Angeles San Dimas Canyon 381 Comment
  RSA191364  Lotus oblongifolius var. oblongifolius R. F. Thorne 1967-7-19 37186 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  RSA757665  Lotus procumbens var. procumbens Orlando Mistretta, Christine Mistretta 2008-4-14 2444 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  POM158317  Lotus salsuginosus M. B. Dunkle 1928-4-29 1904 Los Angeles Little Harbor, Santa Catalina Island. 9 Comment
  RSA591987  Lotus salsuginosus Mark Hoefs, Doug Propst 1973-4-6 165 Los Angeles Santa Catalina Island. Ridge above Black Jack Camp 473 Comment
  SFV10188  Lotus salsuginosus J. G. Cuti 1978-4-12 49 Los Angeles Verdugo Mountains La Tuna Canyon Road near eastbound onramp for 210 Freeway. Burnt over, north-facing, gradual slope. 450 Comment
  UCR271918  Lotus salsuginosus var. salsuginosus R. G. Swinney 2010-3-24 12050 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
  UC527620  Lotus scoparius var. brevialatus C. B. Wolf 1931-7-2 Los Angeles 0.5 mi above the bridge on the road from Sunland to San Fernando (Little Tujunga Wash); Little Tujunga Wash 335 Comment
  SEINET3131523  Lotus scoparius var. scoparius Unknown 1904-7-5 711 Los Angeles Covina Comment
  LA52437  Lotus strigosus H. Lewis; 1940-4-3 1270 Los Angeles Santa Monica Mountains, 10 mi. N of Malibu Beach Comment
  RSA749838  Lotus strigosus D. Bramlet 2008-3-26 4125 Los Angeles Bee Canyon. Bowerman landfill site. 202 m S of the Bee Cyn. access road, 151 m W of the landfill entrance. Comment
  UC1211106  Lotus strigosus Huron H. Smith 1912-5-1 4886 Los Angeles Eagle Rock Valley 152 Comment
  UC535350  Lotus strigosus Ira W. Clokey, B. Templeton Jul 1929 4576 Los Angeles Mandeville Canyon Santa Monica Mountains 200 Comment
  RSA632117  Lotus strigosus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Ridge south of mouth of Big Dalton Canyon. 495 Comment
  RSA406265  Lotus unifoliolatus H. C. Ackley 1917-05 s.n. Los Angeles Mulholland Drive. Comment
  UC1922240  Lotus wrangelianus Valerie L. Soza, LeRoy Gross, Adelina Munoz 2000-5-12 902 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, northwest side: Northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank. Near 34deg 15' 12.2'' N 118deg 19' 16.8'' W T2N R14W SW/4 sec. 14. Elev. 1 488 Comment
  RSA406358  Lotus wrangelianus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  UCR247498  Ludwigia sedoides F. Maly 2006-11-17 s.n. Los Angeles Reseda, McDonalds Aquatic Nursery, 18157 Arminta St Comment
  SEINET4044581  Lupinus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Peperdine University. 182 Comment
  UCD170858  Lupinus R. G. Swinney 2009-5-13 10791 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  SEINET5766807 Image available Lupinus albifrons William G. Gronut 1965-1 s.n. Los Angeles Santa Monica; Benedict Canyon; Beverly Hills on Ferrari Drive one block from jct with Summit Ridge Rd. Comment
  UCR271091  Lupinus albifrons R. G. Swinney 2011-4-28 14524 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  CAS-BOT-BC201432  Lupinus albifrons var. albifrons J. Ewan 1931-1-1 4002 Los Angeles Playa del Rey Comment
  UCR141363  Lupinus andersonii R. G. Swinney 1997-8-19 5809 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
  SBBG31447  Lupinus bicolor R. F. Thorne 1966-4-6 35911 Los Angeles N of Catalina Airport Comment
  SEINET3860261  Lupinus bicolor R. G. Swinney 2009-3-19 10147 Los Angeles San Gabriel Mtns. Foothills: Azusa, 0.7 mi. north of Sierra Madre Ave. on north side of San Gabriel channel, c. 100 m north of Hwy 39.; 0 230 Comment
  UCR213406  Lupinus bicolor A. C. Sanders, Dan S. Cooper 2010-3-12 37339 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0023262  Lupinus bicolor Robert F. Thorne 1980-4-25 54134 Los Angeles Santa Catalina Island. Along road from Blackjack Camp to Orizaba Peak. 579 Comment
  RSA602637  Lupinus bicolor B. Pitzer 1996-4-20 2694 Los Angeles Western Mojave Desert Antelope Valley, north side of Hwy 138 (Ave. D), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14). 915 Comment
  UC56418  Lupinus bicolor Ernest Braunton Feb. 1903 819 Los Angeles Elysian Hills Comment
  UCD107262  Lupinus bicolor Elise Jackson 1993-4-20 33 Los Angeles Newhall, Placerita Canyon Nature Center, no. side of entrance to Canyon Trail, across stream. 487 Comment
  RSA0121217  Lupinus bicolor subsp. microphyllus H. de Forest 1929-3-21 s.n. Los Angeles Palos Verdes Hills. Comment
  SBBG127508  Lupinus concinnus M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-4 2832 Los Angeles hillside above New York Harbor 54 Comment
  UCR222832  Lupinus concinnus R. G. Swinney 2009-4-29 10592 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
  PASA657  Lupinus densiflorus var. mcgregorii Frank W. Peirson 1923-6-27 Los Angeles Rock Creek, San Gabriel Mts. Comment
  CAS-BOT-BC205149  Lupinus elatus Frank W. Peirson 1921-6-16 2438 Los Angeles Waterman Ridge, San Gabriel Mts. 2286 Comment
  SBBG69069  Lupinus excubitus R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SEINET10485300  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 8292 x 6456(4) Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. The numbers are the field plant Numbers of rsa. 1St # is female parent x 2nd # male parent () parenthetic # is F1 plant no. Seeds from open field pollen vector. Comment
  SBBG121866  Lupinus formosus A. Parikh, N. Gale 2005-6-15 780 Los Angeles Portal Ridge, 0.9 km NNW of intersection of N2/Johnson Rd, 1.5 km E of intersection of N2/Munz Ranch Rd; Liebre Mtns 1060 Comment
  UCR152882  Lupinus hirsutissimus A. C. Sanders, Helen Kennedy 2005-4-13 29424 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA0116197  Lupinus hirsutissimus Steven A. Junak 2000-4-15 SCa- 1196 Los Angeles Santa Catalina Island. Just W of intersection w/ road to Wrigley Memorial & Avalon Canyon, along Divide Road. 335 Comment
  UCD107947  Lupinus hirsutissimus K. Todd 1997-4-18 17 Los Angeles Rocky Peak Trail, approx. 200 yds. From Rocky Peak exit on the 118 fwy. 213 Comment
  RSA729380  Lupinus latifolius var. parishii R. G. Swinney 1998-7-21 6473 Los Angeles Upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 mi. SW of Fish Fork Trail and Pine Mt. Ridge. 2085 Comment
  CAS-BOT-BC211676  Lupinus longifolius L. R. Abrams 1901-6-4 1696 Los Angeles Los Tunas Canyon, Santa Monica Mts. Comment
  OBI48357  Lupinus microcarpus var. densiflorus Rhonda Riggins 1981-5-24 1233 Los Angeles Roadside bank Co Rd. N2, 0.5 mi S Jackson Rd, 2.7 mi SE Hwy 138 Comment
  SBBG67048  Lupinus microcarpus var. microcarpus R. Hoffmann 1932-4-27 Los Angeles Harold Comment
  CAS-BOT-BC207243  Lupinus peirsonii Wesley O. Griesel 1962-5-28 s.n. Los Angeles State Hwy. #2 2-2 1/2 miles East of Dawson Saddle, San Gabriel Mts. 2286 Comment
  CAS-BOT-BC207246  Lupinus peirsonii Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  RSA0101380  Lupinus sparsiflorus Scott D. White, Pam De Vries 1998-4-20 6323 Los Angeles Soledad Canyon Area: Proposed quarry area N of Soledad Cyn. Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Cyn. 580 Comment
  RSA775872  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2010-5-26 5207 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  SBBG125848  Lupinus sparsiflorus A. Parikh, N. Gale 2010-5-31 3238 Los Angeles Sierra Pelona, 4.1 km W of State Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1050 Comment
  UCR261388  Lupinus sparsiflorus R. G. Swinney 2010-2-27 11721 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA599630  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd, Lauren Raz 1997-4-16 9524 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
  RSA652480  Lupinus sparsiflorus subsp. sparsiflorus Vance Langford 1948-3-29 s.n. Los Angeles In vacant lot at 136 St. and Hawthorne Blvd. Comment
  SD64109  Lupinus succulentus Lucille Kempers 1953-3-24 6 Los Angeles Claremont Railroad tracks, east of town. Comment
  UCSB11836  Lupinus succulentus Haines, Bruce 1962-3-11 Los Angeles Topanga Summit, 10 miles north of the Pacific Ocean on California State Highway 27 475 Comment
  RSA675965  Lupinus truncatus LeRoy Gross 2003-3-9 812 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south., Where the east-west trending ridge runs north and south for a short distance. 357 Comment
  SBBG96853  Lupinus truncatus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4205 Los Angeles upper reaches of China Cyn Comment
  RSA0025158  Luzula comosa Jane Tirrell 2012-6-19 LS 0070 Los Angeles Lily Spring; downslope from Pacific Crest Trail, approximately 0.5 mile northwest of Mt. Hawkins. 2481 Comment
  RSA549596  Lycium andersonii Tim S. Ross 1992-4-4 6066 Los Angeles Big Rock Creek: ca 0.25 mile S of Big Pines Highway, between the stream and Big Rock Creek Road. 1207 Comment
  UC174065  Lycium brevipes var. hassei G. B. Grant 1900-1 6157 Los Angeles Santa Catalina Island Comment
  RSA341620  Lycium californicum F. C. Boutin 1967-4-24 1702 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  UC1334663  Lycium cooperi J. E. Stumbo and J. C. Bayse 1966-4-11 LASCA 539 Los Angeles ca 6 mi s Palmdale Comment
  UCSB18260  Lycium cooperi Bogardus, B. 1964-5-8 Los Angeles State Highway 138, 4.5 miles NW of Los Angeles; San Bernardino County Line 1219 Comment
  SEINET10696893  Lycopersicon esculentum Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3762 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  LA33647  Lycopersicon esculentum Peter H. Raven; Henry J. Thompson 1959-10-14 14634 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, Malibu Lake, E end of lake. 220 Comment
  SEINET4689907  Lyonothamnus floribundus Leila M. Shultz 1980-4-28 4034 Los Angeles Rancho Santa Ana Botanical Garden, San Gabriel Mountains Comment
  SD217370  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4314 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SBBG128116  Lyonothamnus floribundus subsp. floribundus M. L. Hoefs 1994-7-18 1892 Los Angeles NE of upper end of rd to White's Landing 243 Comment
  UCR180337  Lythrum californicum Scott D. White, Andrea Warniment 2006-7-7 11621 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  RSA0011277  Lythrum hyssopifolia Orlando Mistretta, Christine Mistretta 2010-6-25 5354 Los Angeles Transverse Ranges; San Gabriel Mountains region: On Forest Route 2N24 near head of N fork Santa Anita Canyon, along Southern California Edison transmission line corridor. 1215 Comment
  UCSB22798  Madia elegans Wilken, Dieter 1967-7-15 Los Angeles Near summit of Mt. Gleason west of Mill Creek Summit, San Gabriel Mtns. 1981 Comment
  SBBG108577  Madia elegans T. S. Ross 1992-7-12 5992 s Los Angeles S of Lake Eleanor along Decker Rd 1 mi S of Los Angeles-Ventura County line 449 Comment
  POM4971  Madia elegans subsp. densifolia C. F. Baker 1903-8-2 3666 Los Angeles San Antonio Canyon near Claremont. Comment
  UC830849  Madia exigua Louis C. Wheeler 1932-6-4 801 Los Angeles Liveoak Canyon San Gabriel Mts. 518 Comment
  RSA618596  Madia gracilis L. C. Wheeler 1967-5-18 9639 Los Angeles Placerita Canyon 518 Comment
  RSA188372  Madia sativa R. F. Thorne, Percy C. Everett 1965-6-23 35005 Los Angeles Santa Catalina Island, along streambed in lower part of Hamilton Canyon 61 Comment
  UCR280941  Madia sativa Mitch Provance 2017-6-30 617- 33 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  RSA719584  Maianthemum stellatum Richard G. Swinney 1997-7-22 5719 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-BC206198  Malacothamnus fasciculatus Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  CAS-BOT-BC206210  Malacothamnus fasciculatus Le Roy Abrams 1901-4-6 1382 Los Angeles Verdugo Hills Comment
  POM243806  Malacothamnus fasciculatus F. R. Fosberg 1931-7-15 S- 5425 Los Angeles Isthmus, Santa Catalina Island. 5 Comment
  POM2947  Malacothamnus fasciculatus M. Hitchcock 1918-7-3 25 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  SFV2283  Malacothamnus fasciculatus M. L. Vincent 1962-7-18 264 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Old Topanga Canyon turnoff. 440 Comment
  UC565539  Malacothrix clevelandii H. L. Mason 1927-6-11 3748 Los Angeles Mount Wilson San Gabriel Mountains, Mount Wilson 1219 Comment
  UC517549  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles on trail to Madrono Flat; San Gabriel Mts., East Fork of Santa Anita Canyon Comment
  UC483458  Malacothrix foliosa L. R. Abrams and I. L. Wiggins 1931-7-3 304 Los Angeles Santa Barbara Island Channel Islands Comment
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Dec 27 2013
  RSA586988  Malacothrix glabrata Orlando Mistretta 1992-5-8 308 Los Angeles Slopes east of Little Rock Creek Reservoir. 1159 Comment
  RSA631392  Malacothrix saxatilis var. tenuifolia Valerie L. Soza, LeRoy Gross 1999-5-10 458 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  SD69584  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36725 Los Angeles Santa Catalina Island; Lookout Point southeast of Pebbly Beach. 45 Comment
  CAS-BOT-BC167867  Malosma laurina L. R. Abrams; I. L. Wiggins 1931-7-4 338 Los Angeles White's Landing, Santa Catalina Island Comment
  CATA3207  Marah macrocarpa Julie L. King 2016-11-22 26 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  OBI14819  Marah macrocarpa Bill Arbaugh 1966-3-27 15 Los Angeles Cold Canyon Rd, Santa Monica Mts 457 Comment
  UC284136  Marah macrocarpa P. A. Munz 1923-4-11 6779 Los Angeles e coast San Clemente Island Comment
  SD69040  Marah macrocarpa var. major Robert F. Thorne 1966-9-14 36626 Los Angeles Santa Catalina Island, Middle Rance, Middle Rance Canyon, weedy margin of reservoir 199 Comment
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May 1 2012
  UCR197212  Marrubium vulgare Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 820 Los Angeles Verdugo Mountains, south side, Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, west of De Bell Municipal Golf Course 396 Comment
  RSA409820  Marrubium vulgare Ida Lou Sayler 1942-4-17 s.n. Los Angeles San Marino. Comment
  UCD125016  Marrubium vulgare Leo Boyd 1987-5-2 s.n. Los Angeles Corner 161st Street and Estrella. Comment
  SFV16014  Matricaria discoidea A. M. Orcino 1994-5-5 11 Los Angeles San Fernando Valley Sepulveda Wildlife Reserve, Haskell Creek. 235 Comment
  RSA600318  Matricaria matricarioides Scott D. White 1997-3-12 4756 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  POM362439  Matricaria matricarioides Anstruther Davidson 1890-04 s.n. Los Angeles Los Angeles. Comment
  POM362443  Matricaria matricarioides Robert Gustafson 1981-5-13 2210 Los Angeles Ballona Wetlands, Area 1 Comment
  JEPS51538  Meconella denticulata Elizabeth D. Palmer May 1903 Los Angeles Near Los Angeles Comment
  POM222458  Medicago lupulina L. C. Wheeler 1936-6-12 4154 Los Angeles Monroe Canyon. 549 Comment
  RSA85108  Medicago lupulina J. C. Roos 1952-4-30 5604 Los Angeles Edge of lawn, March Air Force Base 488 Comment
  POM348025  Medicago polymorpha George B. Grant 1908-5-16 s.n. Los Angeles Garvanza Comment
  SEINET4691486  Melaleuca quinquenervia R. E. Riefner Jr. 2007-1 07 -110 Los Angeles City of San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at salinas de San Pedro 3 Comment
  UCR108799  Melica imperfecta L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns., San Antonio Canyon, north side of ridge north of Cascade Canyon 1189 Comment
  UCR260336  Melica imperfecta R. G. Swinney 2010-5-4 12556 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
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR270983  Melica imperfecta R. G. Swinney 2011-5-26 14856 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
  UCSB414  Melica imperfecta H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; trail above Wolfskill flume; sec 18, T 1N, R 8W 609 Comment
  POM348154  Melilotus albus James Clizbe 1930-5-6 s.n. Los Angeles Griffith Park. Comment
  RSA547817  Melilotus albus T. S. Ross 1990-6-20 3629 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  SD230245  Melissa officinalis Steve Boyd 1997-7-18 10016 Los Angeles Indian Hill Mesa, Rancho Santa Ana Botanic Garden: Planting bed in North Riparian garden ca. 20 mieters north of the upper pond and 30 meters east of the Home Demonstration garden. Comment
  RSA669337  Mentha spicata LeRoy Gross, Naomi S. Fraga, Steve Williams 2002-7-17 561 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  UC57019  Mentha suaveolens Ernest Braunton July 1902 597 Los Angeles <L. A. River?> <Los Angeles River?> Comment
  UC1121673  Mentzelia congesta Jerome S. Horton 1939-6-1 546 Los Angeles Cucamonga Quadrangle, Fern canyon Comment
  RSA660115  Mentzelia dispersa Orlando Mistretta 1992-6-12 559 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA131975  Mentzelia laevicaulis Gale Sphon 1959-6-27 386 Los Angeles Big Rock Creek. Comment
  POM183630  Mentzelia micrantha J. Ewan 1929-5-18 3426 Los Angeles 1 mile above mouth of Los Flores Canyon. 84 Comment
  RSA446760  Mentzelia micrantha Anstruther Davidson 1908-01 1984 Los Angeles Hollywood. Comment
  RSA524170  Mentzelia montana Tim S. Ross, Steve Boyd 1990-6-6 2877 Los Angeles Piru Pond: Los Padres National Forest. 645 Comment
  RSA446886  Mentzelia veatchiana Christopher Davidson 1975-5-25 2564 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  RSA590532  Mentzelia veatchiana Orlando Mistretta 1994-3-30 970 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA650016  Mesembryanthemum blandum Tom Kawakami 1948-2-15 s.n. Los Angeles Loma Vista Way & Paige, Pomona. Comment
  POM123141  Mesembryanthemum crystallinum Marcus E. Jones 1900-6-12 s.n. Los Angeles Long Beach Comment
  RSA402606  Mesembryanthemum crystallinum Jack Rempel 1932-5-6 s.n. Los Angeles El Segundo. Comment
  SD2089  Micranthes californica Ruth B. Randall August 1928 280 Los Angeles Big Tujunga Canyon 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
  RSA512054  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Placerita Canyon 518 Comment
  RSA562422  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-4-15 2314 Los Angeles In the Puente Hills, approx. 274 m. NW of Pomona peak. The site is located some 1220m W of the intersection of the Pomona freeway and Chino Hills Parkway. 381 Comment
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Nov 7 2010
  RSA763144  Microseris lindleyi Justin M. Wood 2010-5-10 1631 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  RSA527662  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4383 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  LA51935  Mimulus aurantiacus A. M. Johnson; 1932-4-4 3931 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  POM305747  Mimulus aurantiacus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 946 Los Angeles Little Tujunga Canyon, Summit., Angeles National Forest, San Gabriel Mountains. Comment
  RSA442635  Mimulus aurantiacus N. C. Cooper 1949-6-18 4216 Los Angeles Angeles Crest Highway. 610 Comment
  RSA550787  Mimulus aurantiacus David M. Thompson 1992-5-22 1074 Los Angeles Above Claremont along Mt. Baldy Road; 0.8 roadmile above (N of) upper tunnel 1098 Comment
  SDSU10754  Mimulus aurantiacus H. Wedberg 1966-4-3 1202 Los Angeles Above Hill Drive and Neal, in Eagle Rock. 457 Comment
  RSA442627  Mimulus aurantiacus var. pubescens R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  UC943827  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-6 1888 B Los Angeles hills a few mi w Pomona (on Highway 99 at summit of grade on high cut s side of road) Comment
  UCR280669  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-5-21 16633 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
  RSA590425  Mimulus aurantiacus var. puniceus Tim S. Ross 1993-4-21 6840 Los Angeles Santa Catalina Island. SW part of the island along major E-W ridge between 'Carlos' (972 ft) and Cactus Peak (1560 ft); 500-1200 ft NNE to NE of 'Quartz' (1252 ft). 396 Comment
  RSA442695  Mimulus aurantiacus var. puniceus Albert J. Perkins 1919-4-29 s.n. Los Angeles Santa Catalina Island. Comment
  RSA0102535  Mimulus brevipes Richard G. Swinney 2011-5-16 14741 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 1.18 mi at 73 degrees SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp. 1375 Comment
  UCR200170  Mimulus brevipes Valerie Soza, Laura A. Moore 2000-5-10 855 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive from fire gate to powerlines to peak ''1936' 579 Comment
  RSA26276  Mimulus brevipes Reid V. Moran 1941-5-17 860 Los Angeles Pico Canyon, north of San Fernando. 600 Comment
  RSA420980  Mimulus brevipes N. C. Cooper 1949-6-29 4363 Los Angeles San Gabriel Canyon. 457 Comment
  RSA762704  Mimulus breweri R. G. Swinney 2008-7-24 9344 Los Angeles Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  JEPS24108  Mimulus cardinalis Henry J. Thompson 1959-5-24 1983 Los Angeles 0.3 mi n Coast Highway; Santa Monica Mountains, Tuna Canyon 45 Comment
  RSA156325  Mimulus floribundus L. R. Abrams 1902-7-1 2611 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA588060  Mimulus fremontii var. fremontii Orlando Mistretta 1994-4-15 1043 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  UC166912  Mimulus fremontii var. fremontii Geo. B. Grant 1904-5-7 424 a/6203 Los Angeles Glendora Comment
  LA209385  Mimulus guttatus A. Handschiegel; 1925-5-19 sn Los Angeles Little Rock Creek Comment
  PASA110  Mimulus guttatus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  POM63  Mimulus guttatus P. A. Munz 1918-5-19 2266 Los Angeles Pomona. Comment
  RSA729523  Mimulus guttatus R. G. Swinney 1998-8-6 6688 Los Angeles Falls Gulch, waterfall 100m above confluence with upper East Fork San Gabriel River. 1037 Comment
  RSA729851  Mimulus guttatus R. G. Swinney, A. C. Sanders 1998-8-28 6833 Los Angeles San Gabriel Mtns.: Stoddard Canyon at 'Stoddard Falls' 915 Comment
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Jan 7 2014
  UCR223472  Mimulus guttatus R. G. Swinney 2009-5-28 10930 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0028704  Mimulus longiflorus Fred Brooks 1988-4-23 20 Los Angeles San Antonio Canyon, below the first tunnel ca. 3,000 ft. along dry stream and sides of canyon. Comment
  UCR124481  Mimulus moschatus B. C. Templeton 1932-7-20 5004 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA0127186  Mimulus parishii Louis C. Wheeler 1967-7-20 10141 Los Angeles Aliso Canyon. 1067 Comment
  RSA755900  Mimulus pilosus R. G. Swinney 2008-7-24 9293 Los Angeles Waterman Mountain 2412 Comment
  UCR203188  Mimulus pilosus R. G. Swinney 2005-5-21 8263 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  SBBG10551  Mirabilis californica R. Moran 1959-3-9 7170 Los Angeles 2 mi SE of Eel Pt Comment
  RSA0012417  Mirabilis laevis Orlando Mistretta, Christine Mistretta 2011-6-16 5699 Los Angeles Northern edge of San Gabriel Mountains, Along Southern California Edison transmission line corridor, 0.5 air miles N of Aliso Canyon Rd. 1141 Comment
  UCR204447  Mirabilis laevis R. G. Swinney 2005-4-15 8217 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  CAS-BOT-BC434640  Mirabilis laevis var. crassifolia John I. Carlson 1918-4-29 s.n. Los Angeles Sierra Madre Comment
  LA200664  Mirabilis laevis var. crassifolia Michael Neuman; February 1984 13 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  UC284789  Mirabilis laevis var. crassifolia P. A. Munz 1923-4-9 6645 Los Angeles San Clemente Island Comment
  UC1922006  Mirabilis multiflora Scott D. White, Pam DeVries 2006-5-10 11422 Los Angeles SE TEHACHAPI MTNS.: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Comment
  RSA0016141  Monardella australis R. G. Swinney 1997-7-16 5656 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood. 1921 Comment
  RSA226048  Monardella breweri Robert F. Thorne, C. W. Tilforth 1971-6-29 40679 Los Angeles Soledad Canyon: N slope San Gabriel Mountains, ca 1.5 miles E of junction of Aliso Creek wash and Santa Clara River. Angeles National Forest. 884 Comment
  CAS-BOT-BC219938  Monardella breweri subsp. lanceolata F. Grinnell Jr. 1917-7-8 s.n. Los Angeles Barley Flats, San Gabriel Mountains 1706 Comment
  UC72138  Monardella breweri subsp. lanceolata Miss E. D. Palmer November, 1904 Los Angeles Vicinity Los Angeles Comment
  UCR143044  Monardella viridis subsp. saxicola L. C. Wheeler 1936-7-2 4203 Los Angeles Transverse Ranges; San Gabriel Mtns, Bell Canyon 945 Comment
  RSA0058207  Morus alba Richard G. Swinney 2010-6-23 13376 A Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  CATA3318  Muhlenbergia microsperma Amy Catalano, Laura Roll 2017-3-25 038 Los Angeles Santa Catalina Island: About 0.4 miles up from mouth of Silver Cyn., 150 meters up the main ridge to the north of the canyon 134 Comment
  LA9672  Muhlenbergia microsperma Louis Wheeler; 1932-3-12 463 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 400.0 Comment
  RSA577545  Muhlenbergia microsperma C. Epling, Dunn 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  SBBG112970  Muhlenbergia microsperma S. A. Junak 1998-6-13 SCa 748 Los Angeles W side of Avalon Cyn drainage, along N rim of Quail Cyn, just W of Los Angeles County Fire Station 79 Comment
  SBBG59560  Muhlenbergia richardsonis V. Duran 1933-7-20 3522 Los Angeles Buckhorn 1981 Comment
  RSA377605  Muilla maritima Fay A. MacFadden 1931-4-10 2581 Los Angeles Dry hillsides, Tejunga Canyon 426 Comment
  RSA561571  Muilla maritima Steve Boyd, Walter Appleby 1993-5-24 8161 Los Angeles Loop Canyon Road at jct. with Santa Clarita Rd. 1097 Comment
  RSA0046854  Myrica californica Anstruther Davidson 1892-08 s.n. Los Angeles Canyon, Santa Monica. Comment
  RSA0126912  Myriopteris newberryi Louis C. Wheeler 1962-6-9 8111 Los Angeles San Clemente Island: 2 1/2 miles north of China Point. Comment
  POM296801A  Nassella lepida Lyman Benson 1947-5-2 12350 Los Angeles Indian Hill, Claremont. 426 Comment
  RSA188181  Nassella lepida R. F. Thorne 1966-4-7 35944 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  RSA594735  Nassella lepida Timothy S. Ross 1995-4-7 8353 Los Angeles 'OLD RIDGE ROUTE'': 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  SBBG105875  Nassella lepida S. A. Junak 1992-5-27 SCa 927 Los Angeles Middle Bullrush Cyn 60 Comment
  SBBG128266  Nassella pulchra D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 9 Los Angeles Deer Valley Trail 4 Comment
  RSA431555  Nasturtium officinale Samuel R. Tyson 1942-5-21 s.n. Los Angeles San Antonio Canyon Comment
  RSA600542  Nasturtium officinale Steve Boyd, Lauren Raz 1997-5-28 9858 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA468365  Navarretia prostrata Edwin Kline 1896-1 s.n. Los Angeles Los Angeles Comment
  SFV20780  Navarretia pubescens T. Sagar 2007-5-29 s. n. Los Angeles Santa Monica Mountains Malibu Springs Trail from Decker School Road, northwest of Nicholas Flat. 475 Comment
  RSA599690  Nemacladus ramosissimus Steve Boyd, Lauren Raz 1997-5-6 9709 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
  RSA0126091  Nemacladus sigmoideus R. G. Swinney 2009-6-17 11169 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCR206119  Nemacladus sigmoideus R. G. Swinney 2008-6-4 8927 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA643155  Nemacladus sigmoideus Orlando Mistretta 1994-04 s.n. Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit. Comment
  UC1537399  Nemophila menziesii Gordon H. True Jr. 1935-3-6 48 Los Angeles 4 mi w Palmdale; w of Palmdale 944 Comment
  UCR172782  Nemophila menziesii Wayne Law, Jun Hu 2000-4-30 05 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  UCR186487  Nemophila menziesii T. B. Salvato 2007-4-27 2094 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  POM73913  Nemophila menziesii var. menziesii Marcus E. Jones 1882-3-7 s.n. Los Angeles Pasadena. Comment
  UCR125380  Nemophila parviflora A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  RSA421490  Nemophila pedunculata Cameron Blake 1962-6-2 951 Los Angeles Off Angeles Crest Hwy, ca. 5 mi. N of La Canada. 793 Comment
  UCR253388  Nemophila spatulata R. G. Swinney 2010-6-21 13270 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
  UCR273568  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
  CAS-BOT-BC349861  Nicolletia occidentalis E. E. Morse 1940-5-19 s.n. Los Angeles Wash between Palmdale and Piute Butte, Mohave Desert Comment
  CATA579  Nicotiana glauca Mark L. Hoefs 1991-4-7 1018 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  RSA482198  Nicotiana glauca Richard Noyes 1987-9-19 426 Los Angeles Claremont. Intersection of Mills Avenue and Mt. Baldy Road. 500 Comment
  UCR259952  Nicotiana glauca R. G. Swinney 2010-4-28 12430 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
  UCSC000651  Nicotiana glauca F. H. Raymond 1930-1-29 43 Los Angeles Calabasas, Santa Ynez Canyon 122 Comment
  SEINET10950897  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3955 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CAS-BOT-BC71169  Notholaena californica L. L. K. 1962-11-23 159 Los Angeles Santa Monica Mtns., 20th Century Fox Ranch 304 Comment
  RSA0119695  Oenothera californica subsp. avita A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32232 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert: western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  POM183711  Oenothera cruciata Unspecified s.n. Los Angeles On the trail to Flumes 4 & 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  SBBG126926  Oenothera elata subsp. hirsutissima A. Parikh, N. Gale 2011-5-21 3394 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  UCR194160  Oenothera elata subsp. hookeri R. G. Swinney 1998-7-29 6532 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  UCR231167  Oenothera rosea Dan S. Cooper 2011-9-27 911- 113 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, slope south of Forest Lawn Dr. just west of Travel Town 178 Comment
  CATA1821  Olea europaea Benjamin E. Carter 2012-8-31 7022 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  RSA748148  Olea europaea Justin M. Wood 2009-4-2 461 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SEINET10732291 Image available Opuntia X occidentalis George Engelmann 1880-9-18 Engelmann s.n. Los Angeles Comment
  UCR209506  Opuntia basilaris R. G. Swinney 2008-6-9 9017 Los Angeles San Gabriel Mountains, Paradise Springs (Big Rock Creek Camp), 100 m west of campground on north bank of Big Rock Creek 1427 Comment
  POM285339A  Opuntia vaseyi Lyman Benson 1955-9-3 15591 Los Angeles Wash at Gladstone Ave Bridge west of San Dimas. 244 Comment
  UCR205251  Orobanche R. G. Swinney 2005-8-17 8492 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1524 Comment
  UCR223238  Orobanche R. G. Swinney 2009-5-27 10881 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  CAS-BOT-BC502619  Orobanche bulbosa Tim Ross; Steve Boyd 1993-5-23 7284 Los Angeles Liebre Mountains, NW Los Angeles Co: Upper Clearwater Canyon, margin of USFS rd (6N24) ca 790 m ENE of Ruby Canyon/Clearwater Canyon saddle 873 Comment
  CAS-BOT-BC502621  Orobanche bulbosa G. B. Grant 1902-5-14 s.n. Los Angeles Wash at Glendaora, Calif. [location corrected per label data by P.A. Munz, 1929] Comment
  RSA0087366  Orobanche bulbosa Blanche Sell 1923-5-23 s.n. Los Angeles Topanga Canyon. Comment
  RSA0076197  Orobanche californica subsp. feudgei Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8327 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, Santiago Canyon at confluence with side draw on southeastern side of Mt. Emma. 1159 Comment
  RSA0078636  Orobanche californica subsp. feudgei Robert F. Thorne 1969-7-2 38299 Los Angeles San Gabriel Mts., Angeles National Forest: Along Angeles Crest Hwy. 3.2 miles WSW of Cloudburst Summit. 1981 Comment
  UCR193152  Orobanche fasciculata R. G. Swinney 1999-8-14 7620 Los Angeles San Gabriel Mtns., west Dawson Peak ridge, c. 1 mile due west of Dawson Peak 2488 Comment
  RSA0066432  Orobanche fasciculata Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1116 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Canyon watershed, approximately 1 mi. S of Mt. Emma. 1386 Comment
  RSA0066445  Orobanche fasciculata Carl Epling, Charles Darland 1935-06 s.n. Los Angeles Tujunga Canyon. Comment
  RSA640511  Orobanche parishii subsp. parishii Louis C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  VVC3355  Orthocarpus purpurascens Tim Thomas 1973-4-24 10 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  POM9415  Orthocarpus purpurascens Philip A. Munz, R. D. Harwood 1920-5-15 3943 Los Angeles Sepulveda Canyon. 244 Comment
  SFV19343  Osmorhiza brachypoda J. N. Hogue, C. Solek 2005-4-8 237 .2 Los Angeles San Gabriel Mountains West Fork of San Gabriel River. Glen Canyon. 670 Comment
  CATA3382  Osteospermum fruticosum Peter J. Dixon 2016-6-15 059 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 426 Comment
  UC303760  Oxalis albicans subsp. californica Crawford and Hiatt 1916-3-28 Los Angeles Santa Monica Mtns Comment
  LA50662  Oxalis californica Carl Epling; 1931-5-2 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  CATA3428  Oxalis pes-caprae Tobias Nickel, Ben Dion 2017-5-11 005 Los Angeles Santa Catalina Island: Salt Cedar WMU, remote drainage on Pacific side near cliff 219 Comment
  POM353466  Oxalis pes-caprae F. R. Fosberg 1931-4-9 S 4523 Los Angeles Descanso Canyon, Santa Catalina Island. 5 Comment
  RSA746418  Oxytheca parishii var. parishii Orlando Mistretta 1994-7-12 1406 Los Angeles Transverse Ranges; San Gabriel Mtns. region: Along trail, S fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. On trail to Mt. Williamson, 1/4 mile from Islip Saddle. 2073 Comment
  RSA0116816  Oxytheca perfoliata R. G. Swinney 2011-4-19 14391 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
  RSA594795  Oxytheca trilobata Steve Boyd, Lauren Raz 1996-10-29 9099 Los Angeles Liebre Mountains region, western end of Sawmill Mountain in saddle with Liebre Mountain at the head of the North Fork Fish Canyon, along Forest Service Road 7N23, ca. 0.6 miles east of junction with 7N19, the road to Atmore Meadows. 1476 Comment
  RSA601847  Oxytheca trilobata Steve Boyd, Tim S. Ross, Laura Moore, Valerie Soza 1997-7-8 10004 Los Angeles Liebre Mountains region: Saddle between Sawmill Mountain and Liebre Mountain, at the head of the north fork of Fish Canyon. 1457 Comment
  RSA603791  Oxytheca trilobata Louis C. Wheeler 1948-6-13 6642 Los Angeles San Gabriel Mountains: Big Tujunga, on ridge east of Coldwater Canyon. 976 Comment
  POM184704  Oxytheca trilobata Joseph A. Ewan 1932-6-14 7403 Los Angeles Above Sulphur Springs, east of Pacifico Mt. 1677 Comment
  POM145679  Packera breweri L. R. Abrams 1927-4-30 11720 Los Angeles Head of Antelope Valley. Comment
  JEPS37244  Packera ionophylla F. W. Peirson 1919-6-14 475 Los Angeles Rock Creek Canyon San Gabriel Mts. 1752 Comment
  SEINET209896 Image available Paeonia brownii P. S. Rattle 1938-3 sn Los Angeles San Gabriel Valley Comment
  RSA0083118  Paeonia californica R. G. Swinney 2010-3-10 11839 Los Angeles FS Road 3N59 (Santa Clara Truck Trail), west of Whitney Canyon, 0.2-0.5 mi. ESE of ride-share parking lot at Hwy 14 and Newhall Ave. 470 Comment
  SBBG105377  Parietaria hespera var. californica R. M. Beauchamp 1976-5-22 4164 Los Angeles Knob Cyn 121 Comment
  UCR68913  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4241 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC110603  Parnassia cirrata Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains. South Fork Alder Gulch. 1676 Comment
  CDA35714  Parthenocissus inserta A. C. Sanders, Mark A. Elvin 2002-8-26 25588 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed; Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa . Comment
  RSA657222  Paspalum dilatatum Patricia Kouo 1994-4-27 944144 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  SEINET11957947  Passiflora caerulea J. F. Bright, Wyman, C. 1931-1 5292 Los Angeles Los Angeles Comment
  POM246600  Pectocarya linearis subsp. ferocula F. R. Fosberg 1931-3-27 54404 Los Angeles Hamiltons Canyon, Santa Catalina Island 150 Comment
  RSA0063026  Pectocarya linearis subsp. ferocula LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7014 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  JEPS22383  Pectocarya penicillata John Thomas Howell 1928-3-20 3460 Los Angeles Vermont Canyon, Griffith Park Comment
  UCR120571  Pectocarya penicillata Steven R. Hill, K. Kramer 2001-4-22 33343 B 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
  RSA0111946  Pectocarya setosa Richard G. Swinney 2011-4-19 14402 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
  UCR177473  Pectocarya setosa LeRoy Gross 2005-5-19 2289 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
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Feb 19 2017
  JEPS10348  Pedicularis densiflora Frank W. Peirson 1921-4-21 2363 Los Angeles Sycamore Flat Ridge, n slope- San Dimas Region Sycamore Flat Ridge; San Dimas Region, San Gabriel Mountains 853 Comment
  UC42642  Pellaea andromedifolia R. S. Norris June 1893 Los Angeles Catalina Island Comment
  UCR271741  Pellaea andromedifolia R. G. Swinney 2011-3-26 14228 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
  RSA232811  Pellaea andromedifolia R. F. Thorne 1966-4-17 36144 Los Angeles San Clemente Island: Rocky, steep upper slopes of Box Canyon, NW of Horse Canyon, SW of Thirst. 244 Comment
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Dec 12 2010
  RSA651028  Pellaea andromedifolia Witt, Smith, Prieur, Goebel, Hurley 1949-2-7 s.n. Los Angeles Santa Anita Canyon. 487 Comment
  RSA686715  Pellaea andromedifolia T. R. Pray 1960-3-20 1650 Los Angeles Elizabeth Canyon Comment
  SFV14645  Pellaea andromedifolia S. Jonsson 1989-4-19 s. n. Los Angeles Santa Monica Mountains Devil's Canyon of Topanga Canyon Road development. 1.25 miles upstream of dam on east-facing wall, next to path. Comment
  CAS-BOT-BC67582  Pellaea mucronata Parish 1901-3-24 3644 Los Angeles Rubio Wash Comment
  SBBG113042  Pellaea mucronata S. A. Junak with K. Kirkland 1998-4-30 SCa 562 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 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
  UCR124464  Pellaea mucronata subsp. mucronata I. W. Clokey, B. C. Templeton 1929-1 4537 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UC1063638  Pellaea mucronata var. mucronata Jerome S. Horton 1936-4-2 264 Los Angeles Trail to flumes 4 and 5 San Dimas Canyon; San Dimas Experimental Forest, Pomona Quadrangle Comment
  RSA653522  Pennisetum setaceum LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. 365 Comment
  OBI9308  Penstemon centranthifolius Bill Arbaugh 1966-4-18 s.n. Los Angeles Weldon Cyn 152 Comment
  RSA739749  Penstemon centranthifolius John Dittes 2006-6-5 1405 Los Angeles Transverse Ranges, San Gabriel Mtns, Peace Valley, E of Gorman Creek, 4.9 air miles NW of Pyramid Lake Dam, 6.7 air miles SE of Gorman, 0.6 air miles N of Confluence of Gorman Creek and creek passing out of Canada de Los Alamos;, east side of Interstate Hwy5, N and E of Little Bear Road exit. 896 Comment
  SD254671  Penstemon centranthifolius R. G. Swinney 2011-7-8 15486 Los Angeles San Gabriel Mountains; Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property (Chilao Flat 7.5'Q) 1427 Comment
  UCR270926  Penstemon centranthifolius R. G. Swinney 2011-6-14 15121 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  UCR270821  Penstemon grinnellii R. G. Swinney 2010-9-9 13784 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
  UCR276727  Penstemon grinnellii R. G. Swinney 2010-9-21 13855 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  SEINET10547992  Penstemon grinnellii Zona 1989-6-21 ZONA 331 Los Angeles Mtn high ski resort, w of wrightwood, n slopes of san gabriel mts, occasional Herb in sunny areas. Flowers white with rose purple tine. 2018 Comment
  POM128325  Penstemon grinnellii subsp. grinnellii George B. Grant 4594 Los Angeles Mt. Wilson. Comment
  POM4205  Penstemon grinnellii subsp. grinnellii C. F. Baker 1909-2-15 5244 Los Angeles Mountains near Claremont Comment
  CHSC24191  Penstemon heterophyllus T. P. Spira 1976-6-7 58 Los Angeles Common in disturbed fields within stokes Canyon, 1 mi n of Mulholland Hwy. and 200 yd e of Stokes Canyon Rd. Comment
  SFV3434  Penstemon heterophyllus M. L. Vincent 1961-5-10 45 Los Angeles Santa Monica Mountains Malibu Canyon Road. 0.25 miles north of Tapia Park. Roadside. 180 Comment
  NY604257  Penstemon labrosus T. S. Ross 1994-7-7 8134 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca. 85 m south of intersection of sections 3,4,9,10). 1676.4 Comment
  UC457236  Penstemon speciosus Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts., Big Pines Camp Comment
  UCD124330  Penstemon spectabilis Gordon Pilone 1960-5-24 48 Los Angeles Wash area Pomona College in Claremont. 365 Comment
  RSA549536  Penstemon spectabilis Tim S. Ross 1992-4-27 6241 Los Angeles Claremont: S side of Indian Hill mesa, SW of RSA grounds 393 Comment
  RSA719745  Penstemon spectabilis var. subviscosus R. G. Swinney, Dave Larson 1996-8-7 5231 Los Angeles San Dimas Experimental Forest, southern third of west half of Brown's Flat. 1305 Comment
  UC206185  Pentachaeta lyonii Katharine Brandegee Los Angeles Santa Catalina Isl. Comment
  RSA0091479  Pentagramma triangularis R. G. Swinney 2011-3-22 14189 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  SFV76  Pentagramma triangularis K. A. Wilson 1961-2-18 856 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Sulfur Hot Springs. Small valley with running stream. Comment
  RSA0094692  Pentagramma triangularis George B. Grant, Walter Wheeler 1904-4-21 530 a/3350 Los Angeles Santa Catalina Island. Comment
  RSA687403  Pentagramma triangularis subsp. triangularis M. B. Dunkle 1928-4-21 1880 Los Angeles Santa Catalina Island: Renton Mine Hill 335 Comment
  RSA757339  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Christine Mistretta 2008-4-8 2381 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road 959 Comment
  SEINET5777425 Image available Pentagramma triangularis subsp. viscosa Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  RSA0070739  Pentagramma viscosa Geo L. Moxley 1919-5-6 688 Los Angeles Catalina Island. Comment
  OBI19651  Peritoma arborea Kell Jensen 1966-4-22 34 Los Angeles Escondido Canyon on Escondido cyn rd W of hwy 14 884 Comment
  UCD116250  Peritoma arborea Elise Jackson 1993-4-21 40 Los Angeles Saugus, Bouquet Cyn Road, 8.5 miles NE of junction with Valencia Blvd. 487 Comment
  SBBG27715  Perityle emoryi M. R. Benedict 1965-12-7 Los Angeles E end of Parson's Landing 4 Comment
  SDSU384  Perityle emoryi R. M. Beauchamp 1967-3-19 321 Los Angeles 1/2 mile south of the runway at Sherman Field, San Clemente Island. Comment
  RSA661025  Perityle emoryi Orlando Mistretta 1992-4-5 168 Los Angeles Guds, San Clemente Island. Comment
  UC1587648  Persea americana Tim Ross 1991-4-21 4565 Los Angeles head of Turnbull Canyon Whittier Hills (Puente Hills, pro parte) (Skyline Drive) 353 Comment
  RSA0119518  Phacelia R. G. Swinney 2014-4-23 16169 Los Angeles San Gabriel Mountains/Mojave Desert: East of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E.), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains. 1232 Comment
  RSA0114805  Phacelia cicutaria var. hispida R. G. Swinney 2011-4-26 14477 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  UC1426008  Phacelia cicutaria var. hispida Donald R. Bissing 1973-6-2 124 Los Angeles at roadside 0.5 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 743 Comment
  RSA426053  Phacelia davidsonii Christopher Davidson 1975-5-25 2559 Los Angeles 3.5 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.1 mi past Sandberg Pk. 1646 Comment
  UCR272572  Phacelia davidsonii R. G. Swinney 2011-6-7 15070 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
  POM73563  Phacelia distans Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  SBBG107226  Phacelia distans J. Rebman, J. Dunn 1996-4-29 3102 Los Angeles Eel Cove and Eel Cove Cyn 10 Comment
  SD41340  Phacelia douglasii var. douglasii Edith A. Purer 1931-3-16 1513 Los Angeles El Segundo Comment
  RSA680202  Phacelia egena Valerie L. Soza, Sarah J. DeGroot 2003-6-11 1657 Los Angeles San Gabriel Mountains: Praire Fork, southeast of Cabin Flat. 1799 Comment
  JEPS2051  Phacelia fremontii I. W. Clokey and B. C. Templeton 1930-4-8 4655 Los Angeles w Lancaster 400 Comment
  LA91487  Phacelia grandiflora Bruce Douglas Clayton; Greg Shaw 1972-4-11 88 Los Angeles 591 Comment
  RSA660187  Phacelia imbricata subsp. imbricata Orlando Mistretta 1992-7-9 651 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA607686  Phacelia longipes Scott D. White 1997-6-29 5398 Los Angeles Mt. Baldy Village Area: San Antonio Canyon below San Antonio Falls, and along trail/road access rt. 1921 Comment
  RSA658522  Phacelia parryi Diane Elliott 1985-4-26 15 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  CAS-BOT-BC167229  Phacelia ramosissima var. latifolia A. C. Sanders; T. B. Salvato 2009-5-21 36898 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
  RSA427665  Phacelia ramosissima var. latifolia Bonnie C. Templeton 1939-5-29 s.n. Los Angeles Mint Canyon above Sleepy Valley. Comment
  RSA597010  Phacelia ramosissima var. latifolia Tim S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3805 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  LA38546  Phacelia tanacetifolia Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  HSC13738  Phacelia viscida C. S. Apperson 1967-6-15 Los Angeles 1 mi. down Canton Canyon trail off the end of Townsend Pk. Rd. Comment
  IRVC28553  Phacelia viscida A. C. Sanders, Mark A. Elvin 2003-5-15 26742 Los Angeles mouth of Salt Canyon, near gate on road, Newhall Ranch Santa Susana Mtns. 290 Comment
  LA200572  Phacelia viscida Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA654576  Phalaris arundinacea B. L. Bement 1977-4-30 s.n. Los Angeles Cal Poly Pomona Campus. Comment
  SBBG105553  Phalaris minor T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5109 Los Angeles 700 ft ENE of North Tank and 2300 ft W of Jack (not Jack Pt) 239 Comment
  RSA0044609  Phlox gracilis A. C. Sanders 2007-4-19 33422 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1006 Comment
  UCR184123  Phlox gracilis A. C. Sanders, T. B. Salvato 2007-4-24 33480 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UC1971603  Pholistoma membranaceum Louis C. Wheeler 1968-4-17 s.n. Los Angeles SAN GABRIEL MTNS.: Big Rock Creek, 3/4 mile north of Big Rock Springs. Comment
  UCR239042  Pholistoma membranaceum Anuja Parikh, Nathan Gale 2010-6-2 3255 Los Angeles Western Transverse Range; East Liebre Mountains, Sierra Pelona, 3.7 km west of State Hwy 14, 2.2 km southwest of California Aqueduct 1140 Comment
  SD85080  Pholistoma racemosum E. R. Blakley 1963-4-9 5559 Los Angeles Santa Catalina Island. On shady cleft of a rocky cliff. 14 Comment
  RSA527623  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4407 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  HSC15908  Phoradendron bolleanum C. E. Fellows 1965-10-28 183 Los Angeles 1 mi. SE of Longview Rd. (L.A. Co. N6) on Devils Punchbowl Park Rd., N foothills of San Gabriel Mtns. Comment
  LA209885  Phoradendron leucarpum subsp. macrophyllum Louis C. Wheeler; 1932-12-17 1452 Los Angeles San Gabriel Mountains, San Antonio Canyon 883 Comment
  RSA598086  Phoradendron pauciflorum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3782 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  UC1584904  Phoradendron pauciflorum Tim Ross and Steve Boyd 1991-7-24 5630 Los Angeles ridge n.-n.e. Granite Mt.; Pacifico Mt. Quad. 1865 Comment
  CAS-BOT-BC141315  Phoradendron serotinum subsp. tomentosum Louis C. Wheeler 1936-6-30 4200 Los Angeles San Dimas Canyon near dam, San Gabriel Mts. 426 Comment
  POM188630  Phoradendron villosum Louis C. Wheeler 1933-2-22 1473 Los Angeles Little Rock Creek. 1067 Comment
  SBBG31050  Phyllospadix scouleri R. F. Thorne with P. C. Everett 1965-5-11 Los Angeles S side of north beach of Little Harbor Comment
  RSA187766  Phyllospadix torreyi Robert F. Thorne 1966-9-15 36689 Los Angeles Santa Catalina Island, attached to boulders in 10ft of water in Catalina Harbor near base of Ballast Point 3 Comment
  RSA605434  Pinus coulteri L. C. Wheeler 1968-5-30 s.n. Los Angeles Devil's Canyon, depression on bench NE of Campground 1433 Comment
  UCR132336  Pinus halepensis John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect two 396 Comment
  POM122853  Pinus monophylla Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route. Comment
  SBBG51412  Pinus murrayana J. L. Huber, R. V. Langmuir 1971-6-5 1145 Los Angeles Mt Baden Powell 2834 Comment
  UC400306  Pinus torreyana H. A. E. Marshall and M. B. Elliott 1911-2-11 Los Angeles Soledad Mt. Soledad Mt. (n spur, overlooking mouth of Soledad Canyon) Comment
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Dec 22 2014
  POM122776  Piperia cooperi Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  POM308878  Piperia elongata Kay H. Beach 1943-7-31 1872 Los Angeles Tanbark, Gilman Grove, San Dimas Experimental Forest U.S. Forest Dept. Angeles National Forest Comment
  UCR222730  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10731 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
  RSA599252  Plagiobothrys canescens Steve Boyd, Lauren Raz 1997-3-31 9427 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  CATA874  Plagiobothrys canescens Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1683 Los Angeles Santa Catalina Island: Upper Gallagher's Canyon, just below Bow Camp 390 Comment
  RSA199198  Plagiobothrys canescens var. catalinensis R. F. Thorne, D. Propst 1968-5-28 37663 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  UC551884  Plagiobothrys canescens var. catalinensis Ivan M. Johnston 1932-5-7 10648 Los Angeles ridges f Grand Canyon; Santa Catalina Island Comment
  UC78066  Plagiobothrys canescens var. catalinensis T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UCR271062  Plagiobothrys collinus var. fulvescens R. G. Swinney 2011-6-6 14999 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCD120908  Plagiobothrys nothofulvus Daryl Koutnik 1978-3-27 169 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at north end of Mountain Ave. 579 Comment
  RSA712182  Plantago erecta A. C. Sanders 2005-5-5 29942 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum'. 671 Comment
  CDA7758  Plantago lanceolata Michael O Brien 2008-5-4 s.n. Los Angeles La Piedra State Beach 0 Comment
  RSA0035883  Plantago major R. G. Swinney 2009-11-9 11591 Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0037415  Plantago major R. G. Swinney 2010-9-1 13657 Los Angeles San Gabriel Mountains/Verdugo Mountains: Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  UCR272712  Plantago ovata M. B. Dunkle 1940-3-19 7430 Los Angeles Channel Islands, San Clemente Island, SE Point [=Pyramid Point/Head] 61 Comment
  SEINET4344837 Image available Platanus racemosa Linda Topp 1965-1 8 Los Angeles Claremont; Pomona Collage Wash 335 Comment
  RSA587359  Platystemon californicus Orlando Mistretta 1992-5-4 239 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  SBBG127985  Pluchea odorata M. L. Hoefs, S. A. Junak 1996-7-9 2724 Los Angeles just below Middle Ranch Reservoir overflow 170 Comment
  LA12501  Poa annua W. Scott Lewis; 1907-3-25 484 Los Angeles Garvanza Comment
  RSA719750  Poa pratensis subsp. pratensis R. G. Swinney 1996-7-17 5149 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  RSA549600  Poa secunda Timothy S. Ross 1992-4-4 6064 Los Angeles Three Sisters: SW Mojave Desert, 1 mile SE of Black Butte, middle butte of the three. 970 Comment
  RSA715210  Poa secunda Gary D. Wallace, Bob Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1945 Los Angeles Fort Tejon Road. Comment
  RSA730952  Poa secunda Gary D. Wallace 1979-5-26 1848 Los Angeles San Gabriel Mountains: along Angeles Forest Highway just west of Clear Creek Ranger Station Comment
  UCR143120  Poa secunda F. R. Fosberg 1931-4-8 S- 4521 Los Angeles Channel Islands, Avalon Valley, Santa Catalina Island 60 Comment
  UC821109  Poa secunda subsp. secunda F. R. Fosberg 1931-3-20 S 4310 Los Angeles near Avalon (Hamilton Canyon); Santa Catalina Isl 20 Comment
  RSA230714  Poa trivialis R. F. Thorne 1969-7-9 38572 Los Angeles San Gabriel Mountains, Angeles National Forest: meadow at Big Pines. 2073 Comment
  UCR66493  Polygala cornuta var. fishiae Anstruther Davidson 1917-8-17 s.n. Los Angeles Crater Camp near Calabasas Comment
  LA51384  Polygonum argyrocoleon R. L. Armacost; 1960-7-21 1303 Los Angeles 6 Comment
  RSA593416  Polygonum aviculare subsp. aviculare Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8904 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UC1332463  Polypodium australe Robert M. Lloyd and Janet E. Hohn 1962-4-12 4420 Los Angeles canyon in vicinity of Wilson Cove; San Clemente Isl. 76 Comment
  RSA689904  Polypodium californicum George B. Grant 1902-06 s.n. Los Angeles Sierra Madre Mts. LA Co. Comment
  RSA786600  Polypodium californicum Doris Bowers 1957-2-15 18 Los Angeles Dalton Canyon 610 Comment
  UC440153  Polypodium californicum C. F. Baker 1904-5-22 4167 Los Angeles Monrovia Comment
  UCSB62338  Polypodium californicum Kiefer, Lawrence 1967-4-1 Los Angeles San Gabriel Mtns., N of Pasadena, Pasadena Glen, ca. 1/2mi from the end of the road 609 Comment
  UCSB62398  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canyon Comment
  CAS-BOT-BC232404  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Mojave Desert. Avenue E, 0.5 mile E of Highway US 6, Rosamund region 617 Comment
  UCD91392  Polypogon monspeliensis Ernest C. Twisselmann 1964-5-7 9393 Los Angeles Avenue E, 0.5 mile east of Highway U.S. 6, Rosamond region. 617 Comment
  IRVC28694  Polypogon monspeliensis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25484 B Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA385486  Polypogon viridis Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  RSA385491  Polypogon viridis F. R. Fosberg 1930-7-3 S- 3082 Los Angeles Lexington Wash, San Gabriel River. El Monte. 80 Comment
  SEINET3282760 Image available Polypogon viridis R. G. Swinney 2008-5-30 8913 Los Angeles San Gabriel Mtns.; San Gabriel Canyon, 0.4 mi. above (east) of El Encanto post office, on shoulder of the old road. 268 Comment
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Apr 11 2014
  RSA0127378  Polypogon viridis Louis C. Wheeler 1967-7-20 10136 Los Angeles Aliso Canyon. 1067 Comment
  POM806  Polystichum imbricans subsp. imbricans C. F. Baker 1903-8-2 3674 Los Angeles San Antonio Canyon, Claremont. Comment
  RSA747455  Populus balsamifera subsp. trichocarpa A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36921 Los Angeles San Gabriel Valley: San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee. 70 Comment
  RSA589186  Populus fremontii Tim S. Ross 1991-4-28 4739 Los Angeles Moody Spring ca. 4 miles NNE of Black Butte on the Mojave Desert. 863 Comment
  UCR141103  Potamogeton pectinatus R. F. Thorne 1974-9-12 45719 Los Angeles Santa Catalina Island: Deer Valley Reserve 213 Comment
  SDSU10331  Prosopis glandulosa var. torreyana J. Godsil 1952-5-28 223 Los Angeles Pomona College, Claremont. 366 Comment
  SEINET10957101 Image available Prunus armeniaca Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2583 Los Angeles City of San Gabriel. Howie's Ranch Market, 6580 N. San Gabriel. Comment
  SEINET10628873 Image available Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3767 Los Angeles City of Santa Monica. Bristol Farms: 225 26th Street: Santa Monica, CA: 90402: (310) 255-9912 - phone. 100 Comment
  UCR149537  Prunus emarginata R. G. Swinney 1997-6-25 5631 Los Angeles San Gabriel Mtns., west of Wrightwood, c. 0.25 mi. east of Hwy 2, c. 300 m N of Guffy Rd. (3N06) 2317 Comment
  UC1128354  Prunus fasciculata H. A. Jensen 1933-5-9 295 Los Angeles NW of Shoemaker (Rock Creek) 1185 Comment
  UCSB8567  Prunus ilicifolia subsp. ilicifolia Kraebel, C. 1932-6-4 Los Angeles San Dimas Canyon, SRE plots Comment
  SD28036  Prunus ilicifolia subsp. lyonii Carl B. Wolf 1932-5-9 3482 Los Angeles Santa Catalina Island, left (E.) fork of Pebbly Beach Canyon, 1/3 mi. above Mexican houses 152 Comment
  RSA454155  Prunus lyonii F. R. Fosberg 1931-5-6 S- 4787 Los Angeles Cape Canyon. Santa Catalina Island. 240 Comment
  UCR182492  Prunus virginiana var. demissa R. G. Swinney 1997-7-22 5693 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
  SD253394  Pseudognaphalium biolettii R. G. Swinney 2011-3-18 14164 Los Angeles San Gabriel Mts.: Glendora, east side of Mulla Canyon, southeast of Mull Canyon debris basin, along Marshall Trail (Glendora 7.5'Q) 366 Comment
  SDSU3740  Pseudognaphalium biolettii R. M. Beauchamp 1967-1-28 147 Los Angeles Growing on a knoll west of the main road below Stone; San Clemente Island. Comment
  CAS-BOT-BC356720  Pseudognaphalium californicum Raymond Lindholm 1961-4-8 s.n. Los Angeles LaVerne Comment
  UC1118550  Pseudognaphalium stramineum J. Horton 1936-4-28 315 Los Angeles n end of San Dimas Reservoir Pomona Quadrangle, San Dimas Watershed 457 Comment
  LA94230  Pteridium aquilinum var. pubescens Lawrence L. Kiefer; 1966-3-26 1802 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1.5 mi S of Topanga. 182 Comment
  RSA746632  Pteridium aquilinum var. pubescens R. G. Swinney 2008-4-11 8658 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  CAS-BOT-BC421208  Pterostegia drymarioides Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3799 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake [ridge descending SSW from Mt. Islip] 1865 Comment
  CATA3391  Pterostegia drymarioides Peter J. Dixon, Lydia Zacher Dixon, Juno Azuz Zacher, Castor Dixon 2017-3-25 081 Los Angeles Santa Catalina Island: Lower Middle Canyon at Torqua Cave 168 Comment
  RSA775349  Pterostegia drymarioides Orlando Mistretta, Christine Mistretta 2010-6-4 5264 Los Angeles Monte Cristo Canyon (tributary of Mill Creek Canyon), 3.0 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1372 Comment
  RSA630368  Purshia tridentata var. glandulosa Louis C. Wheeler 1973-4-21 s.n. Los Angeles 47th. Street east and Barrel Springs road. Comment
  CAS-BOT-BC45790  Quercus George B. Grant; Walter Wheeler 1904-4-21 3560 Los Angeles Avalon, Santa Catalina Island Pacific Ocean of Southern California Comment
  UC848121  Quercus I. W. Clokey 1930-9-11 5327 Los Angeles 1635 Laurel St, South Pasadena South Pasadena Comment
  UCD46207  Quercus X grandidentata Robert F. Thorne; M. Z. Thorne 1980-3-23 54013 Los Angeles (Q. engelmannii Green X Q. dumosa). Foothills of San Gabriel Mts: Johnson's Pasture, above Claremont in mixed chaparral-sage scrub-oak woodland. 609 Comment
  CAS-BOT-BC45674  Quercus agrifolia Henry J. Thompson 1959-3-27 1893 Los Angeles 1.5 miles east of peak, Saddle Peak, Santa Monica Mountains 731 Comment
  UCD45009  Quercus agrifolia Gary D. Cromwell; David W. Wheat 1971-4-30 589 Los Angeles On rocky bluff, facing S-SE. Hard dry soil. 1400' Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora, Calif. 426 Comment
  UCR117555  Quercus agrifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23281 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  RSA0091713  Quercus agrifolia var. agrifolia R. G. Swinney 2011-4-9 14388 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  RSA0115968  Quercus agrifolia var. agrifolia R. G. Swinney 2010-8-11 13506 Los Angeles San Gabriel Mountains; San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road. 595 Comment
  LA32176  Quercus berberidifolia Peter H. Raven; 1959-3-8 13838 Los Angeles 365 Comment
  RSA573418  Quercus berberidifolia Louis C. Wheeler 1932-4-1 540 Los Angeles 2 mile NE La Verne, Alt 1325ft 404 Comment
  SBBG52793  Quercus berberidifolia C. Davidson 1975-5-25 2552 Los Angeles ca. 1 mi NE of Old Ridge Route (USFS 8N04) 7N23 to Liebre Mtn 1356 Comment
  RSA476908  Quercus chrysolepis Anstruther Davidson 1893-6-12 s.n. Los Angeles Switzer's Trail. Comment
  RSA635031  Quercus chrysolepis Valerie L. Soza, Kent Hughes 1999-6-17 545 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UCR190128  Quercus chrysolepis R. G. Swinney 1998-8-27 6794 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  CAS-BOT-BC86206  Quercus dumosa Marian L. Campbell 1921-3-28 130 Los Angeles Los Angeles Comment
  CAS-BOT-BC86383  Quercus dumosa Marcus E. Jones 1882-2-27 3034 Los Angeles Pasadena Comment
  UCSB68636  Quercus durata Gross, LeRoy 2000-10-28 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) 304 Comment
  POM18612  Quercus durata var. gabrielensis E. S. Spalding 1921-2-26 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  RSA584052  Quercus durata var. gabrielensis Tim S. Ross 1991-4-25 4571 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 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
  POM295279  Quercus engelmannii Lyman Benson 1949-10-20 14273 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  RSA0097612  Quercus engelmannii R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14351 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  UCR50682  Quercus engelmannii Lyman Benson 1960-7-20 16073 Los Angeles San Gabriel Valley, Ganesha Hills, Pomona, Pacific slope 366 Comment
  UC1135785  Quercus john-tuckeri H. A. Jensen 1933-6-1 322 Los Angeles Rock Creek Rock Creek Quad. 1706 Comment
  CAS-BOT-BC105253  Quercus kelloggii Timothy S. Ross; Steve Boyd 1994-6-23 8050 Los Angeles Liebre Mountains.Sawmill Mountain: 5514- ft summit and immediately adjacent slopes. Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  CAS-BOT-BC105256  Quercus kelloggii Le Roy Abrams; E. A. McGregor 1908-7-5 649 Los Angeles Swartout Canyon, desert slopes of the San Gabriel Mountains 1828 Comment
  LA46633  Quercus pacifica J. A. Ewan; 1932-10-22 10807 Los Angeles Santa Catalina Island, above Avalon Comment
  RSA155820  Quercus pacifica Peter H. Raven 1962-5-21 17805 Los Angeles Santa Catalina Island, Upper Bullrush Canyon. 259 Comment
  RSA604425  Quercus pacifica Joseph A. Ewan 1932-10-22 10807 Los Angeles Santa Catalina Island: Above Avalon. Comment
  UC1234784  Quercus pacifica Peter H. Raven 1962-5-21 17805 Los Angeles upper Bullrush Canyon Santa Catalina Island 259 Comment
  UCD14057  Quercus pacifica John M. Tucker 1992-3-31 No. 9 Los Angeles California, Los Angeles Co.: Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon. 256 Comment
  UCD170538  Quercus palmeri D. O. Burge 2017-5-5 2269 Los Angeles Bard Lake area. 375 Comment
  CAS-BOT-BC257627  Quercus tomentella P. S. Manos 1988-10-28 702 Los Angeles San Clemente Island, Vista Canyon 243 Comment
  RSA479366  Quercus tomentella Mark Hoefs 1974-10-3 579 Los Angeles Santa Catalina Island, ridge between Sweetwater Canyon and Cape Canyon on Sweetwater side 457 Comment
  UC557784  Quercus tomentella Nell Murbarger Apr 1936 122 Los Angeles e side San Clemente Island Comment
  CAS-BOT-BC362480  Rafinesquia californica unspecified 1901-4-21 16474 Los Angeles Griffith Park Comment
  CAS-BOT-BC379003  Ranunculus aquatilis var. diffusus Geo. B. Grant 1904-5-5 6113 Los Angeles Ballona Salt Marsh Comment
  RSA722372  Ranunculus californicus Frances Battey s.n. Los Angeles Laguna. Comment
  RSA84868  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1951-1 s.n. Los Angeles Near Long Beach Comment
  SEINET3836579 Image available Ranunculus hebecarpus Philip A. Munz 1934-4-2 13143 Los Angeles San Dimas, Puddingstone Canyon 305 Comment
  SBBG131515  Raphanus sativus S. A. Junak 2000-5-18 SCa 1301 Los Angeles N side of N Shore Rd, 0.6 mi E of turn-off for Howland's Landing 39 Comment
  UCSB2425  Raphanus sativus Haller, Norman 1953-4-18 Los Angeles Two lots up from Tri-Delt house, Hilgard Ave., University of Calif. at Los Angeles Comment
  RSA0020393  Rhamnus californica Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5158 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA136598  Rhamnus californica C. F. Baker 1908-7-20 3443 Los Angeles Claremont. Comment
  UCR223544  Rhamnus californica R. G. Swinney 2009-6-2 11005 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  UCR270038  Rhamnus californica R. G. Swinney 2011-7-21 15539 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UC592792  Rhamnus californica subsp. californica unknown 1927-12-31 1463 Los Angeles Eagle Rock Occidental College Comment
  CAS-BOT-BC55997  Rhamnus ilicifolia Le Roy Abrams 1899-3-30 289 Los Angeles Santa Monica Mts. Comment
  LA52144  Rhamnus ilicifolia Harlan Lewis; 1940-2-24 sn 1089 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  RSA651272  Rhamnus ilicifolia A. E. Hersh 1950-7-15 s.n. Los Angeles Topango [Topanga] Canyon about 3 miles from west end. 152 Comment
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May 29 2014
  SD253537  Rhamnus ilicifolia R. G. Swinney 2011-11-3 15997 Los Angeles San Gabriel Mountains: Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre (Mt Wilson 7.5'Q) 548 Comment
  UC1121874  Rhamnus ilicifolia F. H. Raymond 1930-1-29 40 Los Angeles Santa Ynez Canyon Calabasas Quad. 213 Comment
  UC167143  Rhamnus ilicifolia Geo. B. Grant Apr 1905 1115 Los Angeles Pasadena Comment
  UCD112344  Rhamnus ilicifolia M. Vincent 1962-4-6 161 Los Angeles Old Topanga Canyon Road, 2 miles W of New Topanga Road. Comment
  CATA455  Rhamnus pirifolia Sara L. Crockett, Mark Hoefs, Steve Junak 1997-3-27 598 Los Angeles Santa Catalina Island: 0.2 mile N on Lower Cape Canyon Reservoir Road from jct. with Cape Canyon Road; ca. 3 m E of road 286 Comment
  RSA25904  Rhamnus pirifolia Knopf, Johnson 1930-1-30 698 Los Angeles Middle Ranch Canyon, Santa Catalina Island. Comment
  RSA725592  Rhamnus pirifolia Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 412 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road. 356 Comment
  UC1211008  Rhamnus pirifolia Huron H. Smith 1912-6-21 5120 Los Angeles s end Santa Catalina Island Santa Catalina Island 518 Comment
  RSA699563  Rhamnus tomentella subsp. cuspidata LeRoy Gross, Paul Morton 2004-6-9 1346 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  UC168785  Rhus Geo. B. Grant Apr 1904 1120 Los Angeles Pasadena Comment
  UC184963  Rhus Huron H. Smith 1912-5-1 4903 Los Angeles Eagle Rock Valley 152 Comment
  CAS-BOT-BC168135  Rhus aromatica LeRoy Abrams 1902-3-11 3113 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC170440  Rhus integrifolia Samuel B. Parish 1887-6-1 s.n. Los Angeles San Fernando Plains Comment
  RSA754092  Rhus integrifolia Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1806 Los Angeles Lario San Gabriel River Trail Park, east of bike path on 2nd bank 180 Comment
  UCR212760  Rhus integrifolia Ellen Mackey, Blake Whittington 2006-10-24 1828 Los Angeles San Gabriel River Watershed, San Gabriel River main stem across from Morris Dam 403 Comment
  LA26122  Rhus ovata Judith Webb; 1955-4-2 sn Los Angeles SANTA MONICA MOUNTAINS, canyon below Mt. St. Mary's College. Comment
  LA94280  Rhus ovata A. M. Johnson; 1934-3-24 4386 Los Angeles Santa Monica Mountains, Sepulveda Canyon, N side of mountains, 1 mi. from Beverly (Sunset) Boulevard Comment
  RSA386376  Rhus ovata I. W. Clokey, B. Templeton 1929-04 4431 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  UC1871162  Rhus trilobata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3973 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UC869703  Rhus trilobata Ira W. Clokey, B. Templeton 1929-4-1 4451 Los Angeles Mandeville Canyon; Santa Monica Mountain 350 Comment
  CAS-BOT-BC92441  Ribes aureum var. gracillimum C. F. Baker 1904-3-15 4154 Los Angeles Glendora. Comment
  RSA226989  Ribes aureum var. gracillimum Robert F. Thorne 1971-6-17 39971 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA624573  Ribes aureum var. gracillimum Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 602 Comment
  UC575715  Ribes aureum var. gracillimum Lewis S. Rose 1934-12-27 34519 Los Angeles Monrovia Comment
  CAS-BOT-BC93103  Ribes californicum var. hesperium Elmer I. Applegate 1927-1-17 4987 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  RSA162820  Ribes californicum var. hesperium J. D. Olmsted 1960-1-8 1092 Los Angeles San Dimas Canyon, 1/2 mile north of lower guaging station (bottom of Riparian Wdl.) 427 Comment
  RSA602965  Ribes californicum var. hesperium Louis C. Wheeler 1972-12-24 12795 Los Angeles San Gabriel Mountains: near center of Las Flores Canyon. 762 Comment
  UC11718  Ribes californicum var. hesperium A. J. McClatchie Los Angeles Comment
  CAS-BOT-BC108868  Ribes divaricatum var. parishii Louis C. Wheeler 1934-3-18 2452 Los Angeles San Gabriel River. 73 Comment
  CAS-BOT-BC108873  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte. 91 Comment
  CAS-BOT-BC108876  Ribes divaricatum var. parishii F. V. Coville; R. Bacigalupi 1925-4-18 171 Los Angeles Lexington Wash at El Monte. Comment
  NY185918  Ribes grantii G. B. Grant 1904-6-2 1125 Los Angeles Mount Wilson 1828.8 Comment
  CAS-BOT-BC173105  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa Comment
  JEPS97126  Ribes indecorum M. Vincent 1962-2-28 120 Los Angeles 1/2 mi w of New Topanga Road Old Topanga Canyon Road (in meadow 1/4 mi south of Road) Comment
  POM296506  Ribes indecorum Lyman Benson 1945-3-12 11606 Los Angeles Claremont. 351 Comment
  RSA782486  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  UCR126239  Ribes indecorum A. C. Sanders 2003-3-14 25784 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  LA33925  Ribes malvaceum Peter H. Raven; Henry J. Thompson 1959-2-25 13810 Los Angeles Santa Monica Mountains, 1.2 mi E of summit, Saddle Peak, N-facing slope 670 Comment
  RSA396477  Ribes malvaceum var. viridifolium Steve Boyd, A. Listen, Walter Wisura 1987-4-30 4146 Los Angeles 8.6 miles from Rincon Forest Station along Rincon-Red Box forest rd. Comment
  RSA651624  Ribes malvaceum var. viridifolium Harold Lint 1955-3-29 s.n. Los Angeles Glendora Mt. Road. above San Gabriel Reservoir. Comment
  RSA230180  Ribes nevadense Robert F. Thorne 1969-7-10 38394 Los Angeles San Gabriel Mountains; Angeles National Forest: Along Angeles Crest Hwy. 1.1 mile NE of Pine Hollow Picnic Ground. 2134 Comment
  SBBG125928  Ribes quercetorum A. Parikh, N. Gale 2010-5-24 3210 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  CAS-BOT-BC186153  Ribes roezlii var. roezlii Timothy S. Ross; Steve Boyd 1994-5-11 7789 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp 1732 Comment
  CAS-BOT-BC186156  Ribes roezlii var. roezlii Timothy S. Ross; Steve Boyd 1990-5-17 2553 Los Angeles Little Gleason Forestry Plantation: north side of Mt Gleason Road about the east headwaters of Gleason Canyon, and about 2 (air) miles E of Mt Gleason summit 1767 Comment
  UC1871191  Ribes roezlii var. roezlii T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3887 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Elevations between 4880-5680 feet. Comment
  CAS-BOT-BC144437  Ribes speciosum Louis C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam 304 Comment
  RSA127907  Ribes speciosum Peter H. Raven 1959-3-1 13824 Los Angeles Griffith Park, Mt Hollywood Drive, 0.8 miles south of Vista Del Valle Drive. 396 Comment
  CAS-BOT-BC173943  Ribes viburnifolium Carl B. Wolf 1932-5-10 3538 Los Angeles Santa Catalina Island. Along ridge between summit of the equestrian trail & Mt. Shatto 335 Comment
  SBBG13187  Ribes viburnifolium E. R. Blakley 1961-9-24 4764 Los Angeles point between Fourth of July Cove and Cherry Valley 45 Comment
  SBBG53165  Ribes viburnifolium S. A. Junak 1978-4-15 SCa 16 Los Angeles overlooking small cove just W of Lyon's Head Pt Comment
  UC1281045  Ribes viburnifolium H. E. McMinn 1924-7-25 1318 Los Angeles Catalina Island Comment
  RSA480740  Ricinus communis L. C. Wheeler 1936-6-21 4168 Los Angeles Cobal Canyon 670 Comment
  RSA486465  Ricinus communis Richard Noyes 1988-7-30 605 Los Angeles Claremont, adjacent to Mills Avenue east of Thompson Creek Dam. Comment
  SD113874  Ricinus communis Frank F. Gander 1938-8-2 722 Los Angeles Sea coast north of San Clemente Comment
  UCSB3613  Ricinus communis Kamb, Peter 1948-2-29 Los Angeles Crest of the Verdugo Range 853 Comment
  RSA0069437  Robinia pseudoacacia R. G. Swinney 2010-6-8 13204 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  SEINET3100961 Image available Romneya coulteri G. Rink 2011-6-2 10583 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  RSA0038379  Romneya trichocalyx Harold L. Pirie 1963-7-4 s.n. Los Angeles At the top of Saddle Peak. 609 Comment
  RSA484611  Rorippa gambelii Anstruther Davidson 1892-10 s.n. Los Angeles Los Angeles. Comment
Read comments
Jun 7 2019
  POM1471  Rosa californica Unspecified 1897-5-31 6885 Los Angeles Claremont, (Live Oak Canyon) 671 Comment
  UCR98780  Rubus discolor Steve Boyd, T. S. Ross 1997-3-21 9214 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  RSA250512  Rubus leucodermis Robert F. Thorne, John Dourley 1967-10-10 37367 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR148044  Rubus ursinus Steve Boyd, Amber Maurice 2004-5-18 11339 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCD101664  Rumex Y. Tera 1927-4-15 s.n. Los Angeles Box 357, Hollywood. Comment
  UCR89460  Rumex acetosella T. S. Ross, Walter Appleby 1993-5-14 7144 Los Angeles Western San Gabriel Mtns., Between May Canyon Saddle and May Peak [3948'] 1146 Comment
  HSC79915  Rumex salicifolius Philip A. Silverstone 1978-8-20 310 Los Angeles Jct. on Maguire and Escondido Sts., 0.3 km. from jct. of Maguire and Latigo Canyon Rd. Comment
  RSA0092243  Rumex salicifolius R. G. Swinney 2010-9-7 13713 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. Mostly on N shoreline. 1683 Comment
  UCR270666  Rumex salicifolius R. G. Swinney 2011-6-29 15357 Los Angeles San Gabriel Mountains, Mill Creek, upstream of Monte Cristo Campground, between campground and confluence with Monte Cristo Creek 1098 Comment
  RSA579215  Rumex salicifolius Tim S. Ross, S. D. Boyd 1994-7-7 8157 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  UC1601400  Rumex salicifolius var. salicifolius L. R. Abrams and I. L. Wiggins 1931-7-6 366 Los Angeles vicinity Mosquito Harbor; San Clemente Island Comment
  RSA383648  Ruppia maritima F. R. Fosberg 1931-5-4 4754 Los Angeles Middle Ranch Canyon, 2nd bridge below Eagle s Nest, Santa Catalina Island 140 Comment
  UC1201962  Russelia equisetiformis Miss K. D. Jones 1921-7-1 Los Angeles Howard & Smith Comment
  RSA229711  Salazaria mexicana Robert F. Thorne, C. W. Tilforth 1969-6-26 38200 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1296 Comment
  LA31624  Salicornia pacifica Peter H. Raven; Henry J. Thompson 1959-9-6 14369 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  HSC19944  Salix exigua var. hindsiana G. E. Anderson 1966-4-6 44 Los Angeles 1 mi. N of Topanga, off Hwy. 27 on side road Comment
  UCR259360  Salix gooddingii R. G. Swinney 2010-4-20 12292 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  RSA0034662  Salix hindsiana var. leucodendroides F. Raymond Fosberg 1931-10-23 5850 Los Angeles Between Calabasas and Agoura, Santa Monica Mountains. Comment
  LA52057  Salix laevigata Carl Hedin; J. A. Ewan 1932-4-22 7619 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, at Radford Dr. 179 Comment
  POM362610  Salix laevigata Robert Gustafson 1981-2-4 2099 Los Angeles Area 1, Ballona Wetlands. Comment
  RSA0034851  Salix laevigata var. araquipa Carl W. Sharsmith 1932-1-19 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  SEINET12003260  Salix lasiandra E. A. Purer 1935-1 6583 Los Angeles Ventura Blvd, near Calabasa Comment
  POM362723  Salix lasiolepis Freda Detmers 1929-1-17 s.n. Los Angeles Los Angeles River, Los Angeles. Comment
  RSA771618  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42194 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  UC492357  Salix lasiolepis F. R. Fosberg 1931-1-26 7172 Los Angeles at top of grade between Calabasas and Agoura 285 Comment
  UCR223659  Salix lasiolepis R. G. Swinney 2009-6-12 11144 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
  RSA0034690  Salix lasiolepis F. R. Fosberg 1932-1-26 7173 Los Angeles Between Calabasas and Agoura, In ravine beside road, at top of grade. 285 Comment
  RSA92643  Salix lasiolepis F. W. Peirson 1924-12-3 9604 Los Angeles San Gabriel Wash at Foothill Boulevard, Azusa. Comment
  SEINET4855860  Salix lasiolepis var. bracelinae Carl W. Sharsmith 1932-1-17 7 Los Angeles Bottom of Lower San Gabriel Canyon, about 9.5 km above Azusa. 91 Comment
  CAS-BOT-BC126289  Salix sessilifolia L. A. Greata 1900-9-1 s.n. Los Angeles Los Angeles Comment
  CDA17348  Salsola tragus M. O'Brien 2004-9-1 s.n. Los Angeles Southern California; Malibu Cyn Rd, 3.2 mi from Hwy 1 (mile marker 131). 161 Comment
  RSA0096807  Salsola tragus R. G. Swinney 2011-9-27 15704 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  RSA722098  Salsola tragus R. E. Riefner 2007-5-12 7 -199 Los Angeles City of Santa Clarita/Newhall area, near I-5 Freeway at SR-126. 331 Comment
  POM175353  Saltugilia splendens subsp. grantii E. Crow 1930-6-29 s.n. Los Angeles Trail near Crystal Lake. Comment
  RSA0110503  Saltugilia splendens subsp. grantii R. G. Swinney 2011-6-7 15088 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  SEINET13758102  Saltugilia splendens subsp. grantii L. C. Wheeler 1936-6-23 4177 Los Angeles San Gabriel Mts., San Dimas Canyon 701 Comment
  IRVC28666  Salvia apiana A. C. Sanders, Mark Elvin, Julie M. Vanderwier, Kim Marsden 2002-6-18 25104 Los Angeles Newhall Ranch, hills 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 335 Comment
  RSA144761  Salvia apiana Alice Ann Webb, Richard W. Heald 1961-3-17 787 Los Angeles Webb Canyon, above the playing field of Webb School, Claremont. Mt. Range-San Gabriel. 457 Comment
  RSA17991  Salvia apiana P. A. Munz 1923-5-27 6881 Los Angeles Big Rock Creek; San Gabriel Mts 1296 Comment
  POM4130  Salvia carduacea Jesse B. Mills 73 Los Angeles Claremont. 366 Comment
  RSA771769  Salvia columbariae R. G. Swinney 2009-4-28 10548 Los Angeles summit of Mt. Emma. 1585 Comment
  SFV22131  Salvia columbariae V. Soza, S. Caplow 2003-4-11 1625 Los Angeles Verdugo Mountains Head of Brand Canyon in vicinity of Brand Park, south of junction of Brand Park Mountainway and Verdugo Mountainway, alongside Brand Park Mountainway. 762 Comment
  UCLA69665  Salvia dorrii var. pilosa C. Epling and L. Ellison 1930-4-17 Los Angeles Palmdale Comment
  LA82016  Salvia leucophylla Robert L. Dressler; 1949-5-1 762 Los Angeles 18 Comment
  CAS-BOT-BC233303  Salvia mellifera Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon, San Gabriel Mts. Comment
  CAS-BOT-BC233306  Salvia mellifera Cecil Hart 1925-5-18 s.n. Los Angeles Pasadena Comment
  OBI70597  Salvia mellifera Steve Boyd, Lauren Raz 1997-3-31 9440 Los Angeles Liebre Mts region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre Mtn 1158 Comment
  POM305154  Salvia mellifera Henry J. Ramsey 1937-4-26 423 Los Angeles Azusa. Comment
  RSA654429  Salvia mellifera Brian McColgan 1988-5-10 9 Los Angeles Evey Cyn., 1 mile N of Padua on Mt. Baldy Rd 915 Comment
  SFV3235  Salvia mellifera P. G. Kilburn 1958-2-28 637 Los Angeles Santa Susana Mountains Oat Mountain. Browns Canyon. 400 Comment
  SFV9211  Salvia mellifera W. C. Willig 1974-5-3 50 Los Angeles Santa Monica Mountains Agoura. 0.25 miles north of Lobo Canyon Road, 0.75 miles west of Triunfo Canyon Road, Lobo Canyon. 274 Comment
  RSA434074  Salvia spathacea E. Crow 1929-4-18 253 Los Angeles Santa Monica Mountains. Comment
  UCLA34660  Salvia spathacea unknown 1939-1-15 37 -13 Los Angeles Garden Comment
  RSA477542  Sambucus mexicana House, Grumbles 1930-8-13 s.n. Los Angeles San Clemente Island. Comment
  RSA583060  Sambucus mexicana T. S. Ross 1993-4-23 6927 Los Angeles Santa Catalina Island: Canyon Road where it crosses over a northerly tributary NW of Thompson Dam. 181 Comment
  RSA0036738  Sambucus mexicana Patricia Kouo 1994-4-27 944234 Los Angeles 3 miles south of I-60. On the west side of Rosemead Blvd, at the most southern lake. On the most southern end of the lake. Comment
  CAS-BOT-BC238750  Sambucus nigra subsp. caerulea R. F. Thorne; M. Z. Thorne 1969-7-10 38386 Los Angeles San Gabriel Mts., Angeles National Forest: At Mescal Creek Play Area 2042 Comment
  SFV6196  Sambucus nigra subsp. caerulea R. M. Muran 1974-3-26 52 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  CATA48  Sanicula arguta Mark L. Hoefs, A. Douglas Propst 1973-3-3 28 Los Angeles Santa Catalina Island: Upper Cottonwood Canyon, west of Mt. Black Jack, west exposure 365 Comment
  LA32923  Sanicula arguta Martha Hilend; 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  UCR64300  Sanicula arguta S. J. Myers 1990-4-3 s.n. Los Angeles Powder Canyon, in the City of La Habra Heights 245 Comment
  SBBG131567  Sanicula arguta S. A. Junak 2000-4-15 SCa 1203 Los Angeles Avalon Cyn, on W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  RSA726056  Schedonorus arundinaceus R. G. Swinney 1997-6-25 5637 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  RSA660052  Schinus molle Stephen Hill 1981-2-26 20 Los Angeles E. of parking lot M. in field of Cal Poly Pomona Campus. Comment
  UCR273897  Schinus molle Steven A. Junak 2000-3-31 SCa- 1150 Los Angeles California Islands, Santa Catalina Island, just inalnd from White's Landing, c. 025 mile inland from beach, at end of road in side canyon 58 Comment
  CATA2875  Schinus terebinthifolius Sara L. Crockett, Michael Daligdig 1996-10-21 9 Los Angeles Santa Catalina Island: Descanso Beach Club 15 Comment
  RSA0045425  Schismus arabicus Wendy Boes 2009-3-22 2009 -006 Los Angeles San Gabriel Mountains; Big Dalton Reservoir; Forest Service Road 1N141. 526 Comment
  UCR154023  Schismus barbatus A. C. Sanders 2005-5-11 30161 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
  UCR178052  Schismus barbatus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 690 Los Angeles Transverse Ranges: Verdugo Mtns, south side of mountains, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 783 Comment
  POM50489  Schoenoplectus americanus Le Roy Abrams 1901-04 1448 Los Angeles Los Angeles River. Comment
  RSA91581  Schoenoplectus maritimus F. W. Peirson 1918-6-16 1617 Los Angeles Small lake south of Palmdale, west Mojave Desert. Comment
  RSA733719  Scrophularia californica subsp. floribunda R. G. Swinney 2000-6-25 7803 Los Angeles San Gabriel Mtns.: ridge top (hill 4413) on west side of San Antonio Canyon, between Evey Canyon and nameless 1st canyon to north, c. 3/4 mi. west of San Antonio Cyn. Rd. 1345 Comment
  RSA427195  Scrophularia villosa Freda Detmers 1929-4-13 s.n. Los Angeles Santa Catalina Island. Comment
  RSA631078  Scrophularia villosa Louis C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  CAS-BOT-BC237863  Scrophulariaceae Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  CAS-BOT-BC341091  Scutellaria mexicana Roxana S. Ferris 1918-6-12 936 Los Angeles 5 miles south of Lancaster Comment
  RSA549513  Scutellaria siphocampyloides Tim S. Ross, Steve D. Boyd 1990-6-18 3467 Los Angeles San Gabriel Mountains: Angeles National Forest. Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1877 Comment
  UCR190789  Scutellaria tuberosa R. G. Swinney 2001-4-17 7874 Los Angeles San Gabriel Mtns., Glendora, Morgan Canyon plateau 402 Comment
  UCR114587  Secale cereale A. C. Sanders, Steve Boyd 1997-4-20 20492 Los Angeles Antelope Valley, along Hwy 138 in vicinity of 230th St. West 890 Comment
  UCR95747  Sedum spathulifolium Steve Boyd, M. Wall 1996-5-16 8777 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  RSA0081653  Sedum spathulifolium Frank W. Peirson 1908-5-9 428 Los Angeles Rocky banks of West Fork of Eaton Canyon, south base of San Gabriel Mts. 991 Comment
  POM244914  Selaginella bigelovii F. Raymond Fosberg 1931-3-24 R 81 Los Angeles Santa Catalina Island. Hamilton Canyon Near Avalon. 80 Comment
  RSA0043001  Selaginella bigelovii R. G. Swinney 2010-6-21 13258 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  CAS-BOT-BC363451  Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo 10 Comment
  CAS-BOT-BC333124  Senecio flaccidus var. douglasii Le Roy Abrams 1902-7-5 1562 Los Angeles Azusa Comment
  RSA522342  Senecio flaccidus var. douglasii Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4020 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  CAS-BOT-BC365651  Senecio flaccidus var. monoensis Timothy S. Ross; Steve Boyd 1994-9-20 8237 Los Angeles Liebre Mountains. 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  RSA233403  Senecio lyonii R. F. Thorne 1966-4-16 36070 Los Angeles San Clemente Island, canyon below Lemon Tank, near dump, south of Nanny, northeast side of island. 183 Comment
  RSA94685  Senecio lyonii F. W. Peirson 1923-4-12 3478 Los Angeles Wilson's Cove, San Clemente Island. Comment
  LA200267  Senecio mikanioides Jonathan Sauer; H. Mielke 1971-11-16 5001 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA473109  Senecio vulgaris Christopher Davidson 1973-4-6 1868 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  RSA0051588  Sequoia sempervirens Roger Yonemura 1950-5-5 s.n. Los Angeles Fedora and Olympic Street. Home of Roger Yonemura. Comment
  UCR146691  Sequoiadendron giganteum Scott D. White 2004-8-11 10719 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
Read comments
Jul 25 2018
  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
  UCR206146  Silene antirrhina R. G. Swinney 2008-6-4 8923 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, west tributary of W Fork Punchbowl Canyon, 0.4 mi. NE of park headquarters 1329 Comment
  RSA609998  Silene antirrhina L. C. Wheeler 1936-6-19 4157 Los Angeles Tanbark Flat, San Dimas Canyon 792 Comment
  RSA65710  Silene antirrhina F. W. Peirson 1921-6-19 2681 Los Angeles North Fork of San Gabriel River 1006 Comment
  PASA1297  Silene gallica A. Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  SD107902  Silene gallica Larry DeBuhr 1977-4-16 2574 Los Angeles Santa Catalina Island; northwest side of Black Jack, along road to White's Landing. Comment
  RSA0030915  Silene gallica Norman C. Cooper 1944-4-23 1162 Los Angeles Pomona. 243 Comment
  CAS-BOT-BC389107  Silene laciniata subsp. californica Lester Rowntree 1937-5-7 s.n. Los Angeles Bouquet Canon [Canyon] trail Comment
  UC1174804  Silene laciniata subsp. major E. K. Balls 1960-5-30 24138 Los Angeles Botanic Garden, Claremont 152 Comment
  RSA439081B  Silene latifolia Anstruther Davidson 1908-5-1 2143 Los Angeles Lawn, Alhambra Comment
  SBBG126992  Silene verecunda A. Parikh, N. Gale 2011-6-28 3516 Los Angeles upper Big Tujunga Cyn, 0.1 km SW of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1283 Comment
  UCR192869  Silene verecunda R. G. Swinney 1998-7-6 6281 Los Angeles San Gabriel Mtns., Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Rd. 1732 Comment
  RSA0019861  Silene verecunda subsp. platyota Orlando Mistretta, Christine Mistretta 2011-6-29 5767 Los Angeles Vicinity of Mt. Gleason. Along Mt. Gleason Road, near microwave tower 0.5 miles SE of summit. 1945 Comment
  UC1587734  Sisymbrium irio Tim Ross 1991-4-21 4504 Los Angeles near mouth of Turnbull Canyon (Whittier Hills (Puente Hills, pro parte) Turnbull Canyon drainage); Whittier Hills 153 Comment
  CAS-BOT-BC75232  Sisymbrium irio C. W. Tilforth 1970-1-27 246 Los Angeles Los Angeles County Fairgrounds, south of La Verne. Comment
  SD80053  Sisymbrium irio C. W. Tilforth 1970-1-27 246 Los Angeles Los Angeles County Fairgrounds, south of La Verne. Comment
  UCR197171  Sisymbrium officinale Valerie Soza, LeRoy Gross 2001-5-9 1208 Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 297 Comment
  UCR270372  Sisymbrium officinale John F. Emmel 2003-4-3 1776 Los Angeles Verdugo Mountains, hill 3077 NW of radio towers on high peak 915 Comment
  PASA2077  Sisymbrium officinale Sally Ellis 1940-4-16 Los Angeles Claremont Comment
  CAS-BOT-BC75411  Sisymbrium orientale J. H. Thomas 1957-5-11 6744 Los Angeles About 2 miles northeast of La Canada, near Angeles Crest Highway. 609 Comment
  RSA0081521  Sisymbrium orientale R. G. Swinney 2010-3-14 11906 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  SBBG109038  Sisymbrium orientale S. A. Junak 1996-5-31 SCl 562 Los Angeles N end of island, behind (just inland from) beach at West Cove 6 Comment
  IRVC26439  Sisymbrium orientale A. C. Sanders, Mark Elvin, et al. 2003-3-4 25689 Los Angeles 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 NE end of Santa Susana Mtns. 335 Comment
  LA34247  Sisymbrium orientale Peter H. Raven; 1959-5-3 14082 Los Angeles Santa Monica Mountains, Mulholland Drive 1.3 mi. W of Laurel Canyon Blvd 350 Comment
  RSA366026A  Sisyrinchium bellum Gale Sphon 1955-5-12 s.n. Los Angeles 0.5 mile west of Beverly Glen on Mulholland Drive. Comment
  RSA187648  Solanum douglasii Robert F. Thorne 1966-9-11 36641 Los Angeles Santa Catalina Island: lower Middle Ranch Canyon, ca. 0.75 mile above Ben Weston Beach 53 Comment
  RSA666733  Solanum douglasii A. C. Sanders, D. Malueg 2001-5-17 24340 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. 122 Comment
  SBBG105476  Solanum douglasii F. R. Fosberg 1931-3-20 4312 Los Angeles Hamilton Cyn, S wall 30 Comment
  SBBG10936  Solanum douglasii R. Moran 1958-9-15 6830 Los Angeles 1.8 mi SE of Eel Pt 100 Comment
  UC26212  Solanum douglasii W. H. Brewer Dec. 1-5, 1860 33 Los Angeles Los Angeles Comment
  POM6568  Solanum elaeagnifolium L. R. Abrams 1917-6-7 6607 Los Angeles San Fernando Valley, near Cahuenga Pass. Comment
  RSA762651  Solanum esculentum R. G. Swinney 2008-11-30 9888 Los Angeles Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  UCR179770  Solanum mauritianum R. E. Riefner Jr. 2004-8-22 04- 377 Los Angeles San Gabriel Mtns. Foothills, Altadena, along Calaveras St. near Holliston Ave. 390 Comment
  UC456216  Solanum physalifolium var. nitidibaccatum I. J. Condit 1908-7-24 Los Angeles Compton Comment
  RSA611922  Solanum sarrachoides Louis C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR270113  Solanum umbelliferum R. G. Swinney 2010-4-15 12262 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA549564  Solanum umbelliferum Tim S. Ross 1991-3-10 4218 Los Angeles Claremont: Bernard Field Station, on E side of RSA 392 Comment
  RSA608499  Solanum umbelliferum Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Juniper Hills Road, Juniper Hills, just north of road. 1372 Comment
  IRVC28748  Solanum xanti A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25517 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  NY820463  Solanum xanti S. D. Boyd 1997-3-31 9422 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SBBG70660  Solanum xanti R. Hoffmann 1931-10-1 Los Angeles near Oak's Garage, Mint Cyn Comment
  SEINET12274871  Solanum xanti E. A. Purer 1935-1 6544 Los Angeles Malibou Road, Santa Monica Mts Comment
  RSA736235  Solanum xanti var. xanti Scott D. White, Justin M. Wood 2008-5-7 11940 Los Angeles Puente / Chino Hills: SCE powerline corridor, E of 57 freeway and S of Diamond Bar. 213 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
  RSA608443  Solidago californica L. C. Wheeler 1931-8-3 S 39 Los Angeles San Gabriel Mts. 1/2 mi. E of Palmer Canyon. 731 Comment
  UCR259594  Solidago californica R. G. Swinney 2010-9-7 13727 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  CAS-BOT-BC365031  Solidago velutina subsp. californica Fordyce Grinnell 1903-12-22 24 Los Angeles Arroyo Seco Canon [Canyon], near Pasadena Comment
  RSA188038  Sonchus asper R. F. Thorne 1966-4-29 36273 Los Angeles Santa Catalina Island: above ranch in Middle Ranch Canyon 229 Comment
  RSA474107  Sonchus oleraceus M. B. Dunkle 1928-10-7 2013 Los Angeles Santa Catalina Island. Descanso Canyon. 244 Comment
  SBBG32151  Sonchus oleraceus R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -237 Los Angeles S side of Little Harbor Comment
  POM178031  Sonchus oleraceus Joseph A. Ewan 1931-5-11 4192 Los Angeles 1 mile noth Van Nuys Estate, West 6th St. Comment
  RSA550398  Sonchus oleraceus Timothy S. Ross, Peter W. Fritsch 1990-6-20 3610 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA651183  Sonchus oleraceus F. Zuazo 1953-2-9 s.n. Los Angeles Cal Poly, Voorhis Unit, San Dimas, behind the Administration building, near the Post Office. 243 Comment
  RSA660895  Spartium junceum Ann Williams 1992-5-14 4 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  UC917789  Spergula arvensis subsp. arvensis Frank W. Gould 1944-4-15 2289 Los Angeles n.w. Los Angeles Airport (Sepulveda Blvd.) Comment
  SD66914  Spergularia bocconi R. Mitchel Beauchamp 1967-3-18 2960 Los Angeles San Clemente Island; below Lemon Tank. Comment
  POM147514  Spergularia macrotheca Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  CATA254  Spergularia macrotheca var. macrotheca Mark L. Hoefs, A. Douglas Propst 1973-5-4 256 Los Angeles Santa Catalina Island: By West End Road, near Lyon's Head Point 70 Comment
  CAS-BOT-BC390336  Spergularia macrotheca var. macrotheca Reid Moran 1941-3-2 664 Los Angeles North side of point, between Wilson's Harbor and Howland's, Santa Catalina Island Comment
  RSA0106886  Spergularia villosa Steven A. Junak, Mark L. Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 644 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. 252 Comment
  LA52380  Stachys bullata Carl Epling; 1931-3-28 52380 Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  UCD136221  Stebbinsoseris heterocarpa A. C. Sanders; T. B. Salvato 2005-4-26 29719 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines. 610 Comment
  UC831291  Stebbinsoseris heterocarpa P. A. Munz 1922-5-15 5599 Los Angeles San Dimas 365 Comment
  SD224918  Stellaria pallida Scott D. White 1996-3-2 3817 Los Angeles Geneva Ave.: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. Comment
  SD75613  Stellaria pallida Reid Moran 1941-3-14 709 Los Angeles In lush grassy area, Middle Ranch, Santa Catalina Island. 199 Comment
  CAS-BOT-BC375142  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles San Antonio Canon [Canyon] near Claremont Comment
  RSA0039572  Stephanomeria cichoriacea Timothy S. Ross 1991-8-16 5805 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  RSA592647  Stephanomeria diegensis Mark Hoefs 1973-7-20 396 Los Angeles Santa Catalina Island. By northwest corner of middle Ranch Reservoir 183 Comment
  CAS-BOT-BC375475  Stephanomeria exigua subsp. exigua A. D. E. Elmer 1902-6-1 3693 Los Angeles Acton Comment
  POM6261  Stephanomeria pauciflora var. pauciflora I. M. Johnston 1917-7-28 1573 Los Angeles San Antonio Canyon, San Antonio Mtns. [County unspecified] 1677 Comment
  UCR182484  Stephanomeria spinosa R. G. Swinney 1997-7-17 5688 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
  RSA681888  Stillingia linearifolia Scott D. White, Michael Honer 2003-6-18 9566 Los Angeles Liebre Mountains: Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  CATA1751  Stipa lepida Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3187 Los Angeles Santa Catalina Island: On ridge above KBRT radio station, west of Airport Road junction 432 Comment
  LA105375  Stipa miliacea Barry A. Prigge; 1989-4-23 8478 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 429 Comment
  HSC65745  Stipa parishii R. F. Thorne, Larry E. DeBuhr 1974-6-28 44774 Los Angeles Drainage of S Fork Big Rock Creek, N of Windy Spr. near Pine Hollow Picnic Area 2134 Comment
  UCR190888  Stipa parishii R. G. Swinney, Cody Clarke 2001-6-20 7992 Los Angeles San Gabriel Mtns., summit of Mt. Lewis, NW of Dawson Saddle 2560 Comment
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Feb 6 2013
  UCR68919  Stipa pulchra Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4229 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  HSC13377  Stipa speciosa C. E. Fellows 1965-4-19 15 Los Angeles Southern Mojave Desert, SW corner at intersection of Hwy. 138 and Victorville cutoff Comment
  SEINET12006987  Streptanthus heterophyllus J. F. Bright 1935-1 1011 Los Angeles Antelope Valley Comment
  UCR126667  Stylocline gnaphaloides A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26202 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment