Search Results — 2000 specimen records retrieved (1560 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR272953  Abies concolor R. G. Swinney 2011-7-29 15585 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  SBBG20635  Abronia umbellata K. A. Wilson 1961-3-12 1000 Los Angeles above tide line, Zuma Beach Comment
  UC284167  Abronia umbellata P. A. Munz 1923-4-8 6607 Los Angeles San Clemente Island Comment
  UC465445  Abronia umbellata I. Johnston 1917-6-10 1316 Los Angeles Playa del Rey Comment
  NY679490  Abronia umbellata G. T. Hastings 1941-3-26 s.n. Los Angeles Playa del Rey. Comment
  CATA3277  Acacia longifolia Ben Dion, Julia Parish 2017-2-3 009 Los Angeles Santa Catalina Island: By zipline prep area & equipment storage room 0 Comment
  LA212322  Acacia podalyriifolia Jack Pepper; 1953-2-10 s.n. Los Angeles SAN FERNANDO VALLEY, Comment
  UCR149444  Acacia saligna A. C. Sanders, D. Malueg 2001-5-17 24318 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned 122 Comment
  CAS-BOT-BC331529  Acer macrophyllum Grant 1901-3-24 3647 Los Angeles Caton Canon Comment
  RSA394174  Acer macrophyllum L. E. Hoffman 1929-5-14 s.n. Los Angeles Pacoima Canyon, Angeles National Forest. Comment
Read comments
Nov 14 2011
  RSA0017033  Acer macrophyllum W. P. Burger 1979-5-5 83 Los Angeles ca. 3 miles past Sunland and Foothill Blvd exit of Angeles Forest Hwy. 915 Comment
  RSA176284  Achillea millefolium R. F. Thorne, J. Henrickson 1963-5-5 32323 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA533982  Achillea millefolium var. californica T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5102 Los Angeles San Clemente Island, above Nots Pier on road near the top of the eastern escarpment, 1400 ft NNW of the 553 ft BM. 139 Comment
  SBBG55928  Achnatherum hymenoides L. R. Bevier 1983-4-30 22 Los Angeles Palmdale Blvd, 0.1mi W of 159th East, Big Rock Wash 640 Comment
  SEINET11679295  Achnatherum hymenoides H. H. Heller 1937-1 411 Los Angeles 16 mi E of Lancaster on Victorville Road Comment
  SEINET4692115 Image available Achnatherum latiglume Tim Ross, Steve Boyd, Peter Fritsch 1990-1 3876 Los Angeles Liebre Mtn: N slope, between Horse Camp Canyon and Robinson Canyon; Liebre Mtn 7.5' USGS Quadrangle Comment
  UCR225785  Achyrachaena mollis Dave Silverman, Cindy Hopkins 2007-4-17 6708 Los Angeles SW Tehachapi Mtns, Tejon Ranch, 1.2 km due south of Oso Canyon, 2.4 km south of the Kern County line, and 4.2 km NE of Hwy 138 and I-5 junction 1101 Comment
  RSA416304  Achyrachaena mollis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  SD66873  Acmispon dendroideus var. dendroideus R. Mitchel Beauchamp 1967-3-20 362 Los Angeles Santa Catalina Island, dry slope above Abalone Point, south of Avalon Comment
  SD52853  Acmispon dendroideus var. traskiae Peter H. Raven 1962-7-12 18044 Los Angeles San Clemente Island, Wilson Cove, dry rocky grassland near barracks area 75 Comment
  UCD104150  Acmispon glaber L. B. Ware 1971-6-10 103 Los Angeles West of Saint Bernard High School, Playa del Rey. Comment
  UCR271597  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-19 14761 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
Read comments
Aug 31 2017
  LA52419  Acmispon maritimus var. maritimus C. L. Hogue; 1954-3-30 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  SBBG118140  Acmispon maritimus var. maritimus F. R. Fosberg 1931-3-26 4393 Los Angeles hillside above St Catherine Hotel 15 Comment
  SEINET958145  Acmispon procumbens B. Ertter, L. Heckard, T. Sholars, J. Hickman, et al. 1988-1 7480 Los Angeles Pine canyon Rd along San Andreas fault on N side of San Gabriel Mts. Comment
  RSA0055988  Acourtia microcephala Richard G. Swinney 2010-3-22 12036 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR61031  Acourtia microcephala R. G. Swinney 1989-5-17 s.n. Los Angeles San Gabriel Mtns, San Gabriel Mtns, near Glendora Wilderness Park 488 Comment
  RSA0004108  Acrolasia davidsoniana L. R. Abrams 1902-6-30 2580 Los Angeles Mt. Wilson. Comment
  CHSC24188  Adenostoma fasciculatum T. P. Spira 1976-6-7 55 Los Angeles In Stokes Canyon, 1 mi n of Mulholland Hwy., 200 yd to e of Stokes Canyon Rd. Comment
  UC466764  Adenostoma fasciculatum J. Grinnell 1903-6-27 Los Angeles Pasadena, Arroyo Seco Comment
  UCR200167  Adenostoma fasciculatum Valerie Soza, Laura A. Moore 2000-5-10 827 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park 579 Comment
  UCR271665  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-5-31 14933 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCR273419  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-6-22 15259 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  SD81710  Adiantum capillus-veneris Louis C. Wheeler 1931-7-26 Los Angeles Palmer Canyon, San Antonia Mountains 760 Comment
  CAS-BOT-BC65573  Adiantum capillus-veneris L. L. K. 1963-6-9 541 Los Angeles Santa Monica Mtns., south slope, Lachusa Cyn. (near Ventura Co. line), ca. 2 miles from mouth 152 Comment
  JEPS35155  Adiantum jordanii I. W. Clokey and E. G. Anderson 1935-5-9 6505 Los Angeles San Dimas Canyon Comment
  LA82523  Adiantum jordanii O. H. Kappler; 1941-2-9 80 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SEINET3153092  Adiantum jordanii G. B. Grant 1904-4-20 26 Los Angeles Catalina Island, So. Cal. Comment
  UCR223750  Aesculus californica R. G. Swinney 2009-6-1 10981 Los Angeles Transverse Range; San Gabriel Mtns., San Antonio Canyon, north of Claremont/Upland, west side of Mt. Baldy Rd. 0.85 mi. north of Shinn Rd. 841 Comment
Read comments
Mar 28 2014
  RSA639156  Ageratina adenophora Louis C. Wheeler 1973-8-2 s.n. Los Angeles South Arroyo Parkway, Pasadena. Comment
  RSA702906  Agoseris grandiflora Scott D. White, Pam De Vries 2004-5-18 10442 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA416384  Agoseris retrorsa B. C. Templeton 1947-5-21 6262 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA707474  Agoseris retrorsa Naomi Fraga, Tim Thibault 2005-6-13 1587 Los Angeles Stoddard Canyon, along Barret Stoddard Road. 1280 Comment
  CAS-BOT-BC14786  Agoseris retrorsa A. D. E. Elmer 1902-6-1 3601 Los Angeles Mt. Gleason, near Acton Comment
  CAS-BOT-BC127233  Agrostis exarata I. M. Johnston 1917-7-28 1510 Los Angeles San Antonio Mountains. North Fork San Antonio Canyon (Old Gold Ridge Mine). 2438 Comment
  RSA729594  Agrostis exarata R. G. Swinney, D. W. Larson 1999-7-21 7563 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  UCR273188  Agrostis exarata R. G. Swinney 2011-10-25 15893 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
  RSA188526  Agrostis stolonifera R. F. Thorne, John Olmstead 1965-8-26 35418 Los Angeles San Gabriel Mountains: Angeles National Forest, along Prarie Fork 1585 Comment
  RSA230390  Allium burlewii Robert F. Thorne, M. Z. Thorne 1969-7-10 38353 Los Angeles Mescal Creek Play Area 2042 Comment
  UC1971151  Allium fimbriatum var. fimbriatum Louis C. Wheeler 1973-4-21 Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. Comment
  POM1639  Allium haematochiton Philip A. Munz 1918-4-11 2049 Los Angeles Lone Hill near Glendora. Comment
  RSA612113  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  UC517548  Allium haematochiton John Thomas Howell 1928-3-2 3359 Los Angeles Vermont Canyon Griffith Park, Vermont Canyon Comment
  CAS-BOT-BC472004  Allium lacunosum var. davisiae Louis C. Wheeler 1932-4-10 607 Los Angeles 2 mi. W. Palmdale, Mohave Desert Comment
  RSA70459  Allium monticola F. W. Peirson 1921-6-16 5223 Los Angeles north slope of Mt. Waterman 2133 Comment
  CAS-BOT-BC472945  Allium monticola John Thomas Howell 1947-7-18 23387 a Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA536042  Allium praecox Timothy S. Ross 1991-5-21 5410 Los Angeles San Clemente Island: junction of the upper two forks of Box Canyon, SW side of the island. 450 Comment
  POM3530  Allophyllum divaricatum J. H. Fairchild s.n. Los Angeles Claremont. Comment
  RSA0116178  Allophyllum glutinosum R. G. Swinney 2011-6-15 15199 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA730290  Allophyllum glutinosum R. G. Swinney 1998-8-1 6631 Los Angeles San Gabriel Mtns.: Vincent Gulch, 1.2 mi. SE of Vincent Gap Trail Head, c. 2 mi. east of the summit of Mt. Baden-Powell 1631 Comment
  SBBG27941  Allophyllum glutinosum I. W. Clokey, B. Templeton -Apr-1929 4468 Los Angeles Mandeville Cyn 425 Comment
  UC535351  Allophyllum glutinosum Ira W. Clokey, B. Templeton Apr. 1929 4468 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 425 Comment
  UCR273592  Allophyllum glutinosum R. G. Swinney 2011-6-22 15235 Los Angeles San Gabriel Mountains, Devils Peak, SE of Doe Spring, on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Hwy 1790 Comment
  POM324028  Amaranthus albus Greg Wright 1971-6-28 209 Los Angeles San Dimas Canyon Rd. at San Dimas Canyon Golf course, S intersection Caballo Ranch Rd. 365 Comment
  RSA763022  Amaranthus blitoides R. G. Swinney 2009-3-13 10110 -B Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  SBBG72687  Amaranthus blitoides R. Hoffmann 1927-6-14 Los Angeles Palmdale Comment
  RSA607610  Amaranthus blitoides L. C. Wheeler 1966-10-25 9083 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  UC2026425  Amaranthus blitoides Louis C. Wheeler 1966-10-25 9083 Los Angeles SAN GABRIEL MOUNTAINS: San Gabriel River, San Gabriel Canyon, near E. Waldo Ward's Grove, 1/4 mile E El Encanto. Comment
  RSA0049482  Ambrosia acanthicarpa Richard G. Swinney 2010-8-16 13520 Los Angeles San Gabriel Mountains: Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park. 280 Comment
  RSA596205  Ambrosia acanthicarpa Lauren Raz, Steve Boyd 1996-10-23 016 Los Angeles Liebre Mountains. Entrance to Ruby Canyon on Forest Service Road 6N24 ca. 1/10 mile from junction with Lake Hughes Road 609 Comment
  UCR247984  Ambrosia acanthicarpa David J. Keil 1986-9-27 19741 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  RSA416920  Ambrosia chamissonis M. B. Dunkle 1928-4-29 1896 Los Angeles Santa Catalina Island. Little Harbor Comment
  SD66868  Ambrosia chamissonis R. Mitchel Beauchamp 1967-3-19 333 Los Angeles San Clemente Island, south of Sherman Airfield on sandy soil Comment
  IRVC29178  Ambrosia psilostachya A. C. Sanders, Lee Jones 2004-11-7 29024 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  RSA416987  Ambrosia psilostachya Wm. Martin 1971-8-11 s.n. Los Angeles Along drainage of Malibu Creek, vicinity of Tapia Park. Comment
  UCR24361  Ambrosia psilostachya John C. Roos 1942-9-28 1716 Los Angeles Beverly Blvd., Los Angeles 122 Comment
  UCR281413  Ambrosia salsola R. G. Swinney 2014-4-30 16263 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  UCR59927  Ambrosia salsola Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  UCR137149  Ammannia coccinea Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  POM305742  Amorpha californica Henry J. Ramsey, Henry J. Ramsey 1937-6-27 912 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  CAS-BOT-BC180635  Amorpha californica var. californica Scott D. White; Justin Wood 2008-5-6 11933 B Los Angeles Chino Hills, NW of Carbon Canyon Rd. and SE of Tonner Canyon, SCE powerline corridor, SE corner of county, Firestone Boy Scout Reservation - Puente/Chino Hills 365 Comment
  SDSU4896  Amsinckia intermedia R. M. Beauchamp 1967-1-29 155 Los Angeles San Clemente Island. Comment
  UC575001  Amsinckia menziesii var. menziesii Louis C. Wheeler 1934-3-31 2495 Los Angeles La Verne 304 Comment
  RSA733085  Amsinckia tessellata R. G. Swinney 2001-4-18 7891 Los Angeles Mojave Desert: Valyermo area, ridge top c. 500 m east of south end of Bobs Gap. 1311 Comment
  PASA2004  Amsinckia tessellata Frank W. Peirson 1930-5-12 Los Angeles Along Blvd. about opposite Acton Comment
  RSA0091450  Amsinckia tessellata var. tessellata Gary Kovnat, LeRoy Gross 2003-2-16 18 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  RSA465140  Anagallis arvensis A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  RSA592441  Anagallis arvensis Louis C. Wheeler 1967-5-13 9500 Los Angeles San Gabriel Mountains. On mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA0073129  Anagallis arvensis Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 28 Los Angeles Santa Catalina Island. Deer Valley Trail. 62 Comment
  CAS-BOT-BC45260  Ancistrocarphus filagineus Steve Boyd; Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mtns, Lower Apple Canyon, due E of the confluence of Canda de Los Alamos (Lower Hungry Vly) and Peace Vly and I-5 853 Comment
  RSA645326  Ancistrocarphus filagineus Steve Boyd, Lee W. Lenz 2000-4-21 10304 Los Angeles Western Mojave Desert region: Antelope Valley, along Highway 138 west of Antelope Buttes. Comment
  RSA0058203  Andropogon glomeratus Richard G. Swinney 2010-6-23 13370 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
  RSA710836  Anisocoma acaulis LeRoy Gross 2005-5-3 2207 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA507542  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles Elsmere Canyon. 457 Comment
  SBBG119295  Anthriscus caucalis V. Soza, K. Hughes 1999-6-17 531 Los Angeles Chantry Flat, off rd 2N41, W of water tank 701 Comment
  SFV17353  Anthriscus caucalis J. N. Hogue 1998-4-28 Los Angeles Pasadena, Arroyo Seco near Rose Bowl. 259 Comment
  UCR261553  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 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
  CATA697  Antirrhinum nuttallianum subsp. subsessile Mark L. Hoefs 1991-5-3 1192 Los Angeles Santa Catalina Island: Bluff between Hamilton Cove and Descanso Beach 82 Comment
  RSA239498  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles Rock crevices, north slope, 1/4 mile up canyon from mouth, halfway between Eel Point and Seal Cove, San Clemente Island 30 Comment
  RSA177679  Aphanisma blitoides R. F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 45 Comment
  RSA470385  Apiastrum angustifolium M. B. Dunkle 1933-4-19 3311 Los Angeles Palos Verde Hills. Comment
  RSA609982  Apocynum androsaemifolium L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  RSA592870  Apocynum cannabinum L. C. Wheeler 1967-7-30 10260 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  UCR181269  Arabis R. G. Swinney 1997-6-13 5575 Los Angeles San Gabriel Mtns, south of Pinon Hills, c. 0.5 mi. NE of Table Mountain, summit of ridge just west of San Bernardino Co. line 2073 Comment
  RSA0129416  Arabis perennans R. G. Swinney 1999-7-5 7506 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
  UCR202535  Arabis platysperma R. G. Swinney 2001-8-9 8022 Los Angeles San Gabriel Mtns., Mount Williamson, third peak from east on the ridge 2513 Comment
  RSA0129043  Arabis platysperma var. platysperma L. C. Wheeler 1967-9-13 10748 Los Angeles San Gabriel Mountains: SW side of Mt. San Antonio. 3017 Comment
  UCR193552  Aralia californica R. G. Swinney, Dave Larson 1999-6-25 7417 Los Angeles San Gabriel Mtns., south fork of Fern Canyon, NE of Browns Flat 1341 Comment
  CAS-BOT-BC23856  Arctostaphylos catalinae Robert F. Thorne; P. C. Everett 1965-5-12 34599 Los Angeles Santa Catalina Island, wooded slopes of Bulrush Canyon. 274 Comment
  CAS-BOT-BC23864  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles Catalina Island, Three and one-half miles (by road) from Avalon on way to Isthmus. 365 Comment
  RSA233610  Arctostaphylos catalinae R. F. Thorne 1970-3-5 39356 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  SD112060  Arctostaphylos catalinae Linda Allen, Betsy Carpenter 1975-3-21 Los Angeles Santa Catalina Island; east slope of Black Jack Mountain road. Comment
  RSA626822  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-30 15866 Los Angeles Highway 39, 1 km northwest of Crystal Lake Recreation. 1700 Comment
  RSA367255  Arctostaphylos glandulosa subsp. gabrielensis B. C. Templeton 1956-4-22 7684 Los Angeles near Charlton Flats 1829 Comment
  RSA631300  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1992-10-11 21988 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  UC1583153  Arctostaphylos glandulosa subsp. mollis Tim Ross and Steve Boyd 1990-5-14 2468 Los Angeles Yerba Buena Ridge San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1048 Comment
  RSA631456  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16046 Los Angeles Ridge Route, 2 km south of Liebre Gulch turnoff. 1000 Comment
  RSA631557  Arctostaphylos glauca Jon E. Keeley, Melanie Baer-Keeley 1992-10-11 22002 Los Angeles Road 7N23, 3 km south of N2, north base of Liebre Mountains. 1425 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
  UC1602005  Arctostaphylos mewukka Katharine Brandegee May 1889 Los Angeles s side Ravenna Comment
  RSA634352  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22078 Los Angeles Entrance to Crystal Lake Recreation Area, San Gabriel Mountains. 1720 Comment
  RSA634814  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20228 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634891  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20401 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA635078  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20559 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  LA42218  Arctostaphylos patula J. A. Ewan; 1936-6-27 9852 Los Angeles N end of Tahoe Mt, Swarthout Valley 2133 Comment
Read comments
Dec 17 2014
  RSA250444  Arctostaphylos patula R. F. Thorne 1967-3-23 41606 Los Angeles Islip saddle along Angeles Crest Hwy 2012 Comment
  RSA635251  Arctostaphylos patula Jon E. Keeley 1992-8-21 20642 Los Angeles Cloudburst summit 640 Comment
  UCR202708  Arctostaphylos patula R. G. Swinney 2001-8-18 8050 Los Angeles San Gabriel Mtns., Mt. Baden-Powell 2866 Comment
  CAS-BOT-BC44356  Arctostaphylos pringlei subsp. drupacea George B. Grant 1901-1-1 10651 Los Angeles Pasadena, Mt. Loma Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 Los Angeles San Gabriel Mtns., 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
  UCR101512  Arenaria macradenia var. kuschei Steve Boyd, T. S. Ross, Laura A. Moore, Valerie Soza 1997-7-8 10012 Los Angeles San Gabriel Mtns., Upper N flank of Liebre Mountain at head of Tenrock Canyon along dirt track near FS wildlife drinker site 1585 Comment
  POM122870  Arenaria serpyllifolia Marcus E. Jones 1926-6-19 s.n. Los Angeles Claremont. 365 Comment
  UCR282670  Aristida adscensionis Dan S. Cooper 2017-4-13 417- 26 Los Angeles Cornell Corners, ridge east of Kanan Rd. & Cornell Rd. 283 Comment
  CAS-BOT-BC90136  Artemisia biennis John Thomas Howell 1927-10-29 3186 Los Angeles Salt marshes near Alamitos Bay 15 Comment
  CHSC35881  Artemisia californica James Henrickson 1973-1-1 8132 Los Angeles Santa Catalina Island, 1 mile west of city of Avalon near Airport Road. 152 Comment
  POM244812  Artemisia californica F. R. Fosberg 1931-12-10 7149 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  RSA128060  Artemisia californica Peter H. Raven, Henry J. Thompson 1959-10-31 14727 Los Angeles Mandeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  SBBG31081  Artemisia californica R. F. Thorne with D. Propst 1968-5-27 37629 Los Angeles near margin of Thompson's Reservoir, Middle Ranch, at upper W end of reservoir Comment
  UCR133743  Artemisia californica F. R. Fosberg 1931-12-10 7156 Los Angeles Channel Islands, Pebble [Pebbly] Beach Canyon, left fork 20 Comment
  UCR143127  Artemisia californica Louis Greata 1900-9-2 s.n. Los Angeles Southern Coast, near Inglewood 61 Comment
  POM9640  Artemisia californica Philip A. Munz 1920-12-5 4401 Los Angeles Claremont. 366 Comment
  UC205661  Artemisia douglasiana I. M. Johnston 1917-8-24 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork Comment
  UCR243005  Artemisia douglasiana R. G. Swinney 2009-8-6 11513 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  SBBG62417  Artemisia dracunculus R. Hoffmann 1927-8-31 Los Angeles Mint Cyn Comment
  CLARK-A1528-1595  Artemisia tridentata subsp. parishii John C. Roos 1949-11-24 4699 Los Angeles Lancaster Comment
  RSA0110780  Arthrocnemum subterminale Steven A. Junak 2000-7-21 SCa- 1387 Los Angeles Santa Catalina Island. Just inland from mouth of creek at Shark Harbor. 1 Comment
  RSA599736  Arundo donax L. C. Wheeler 1967-11-24 s.n. Los Angeles San Gabriel Mountains: Millard Canyon at Canyon Crest Road. 412 Comment
  CDA22416  Asarum caudatum G. C. Fleischman 1955-6-28 Los Angeles Varva Estate, UCLA. 0 Comment
  UCR26254  Asclepias californica John C. Roos 1937-5-31 742 Los Angeles southern Mojave Desert, near Littlerock Comment
  RSA587104  Asclepias californica Orlando Mistretta 1995-4-28 1655 A Los Angeles Kitter Canyon, slopes W of main canyon. 1219 Comment
  UCR281981  Asclepias eriocarpa R. G. Swinney 2014-5-15 16541 Los Angeles San Gabriel Mountains, Azusa Peak, 0.06 mile south of Glendora Ridge Motorway, 1.34 miles due east of Hwy. 39, 0.15 mile east of Garcia Trailhead 630 Comment
  SD41985  Asclepias erosa Darley F. Howe 1947-5-4 Los Angeles Vic. Littlerock. Comment
  RSA785816  Asclepias fascicularis K. Dobry 1991-6-13 736 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  NY643203  Asphodelus fistulosus S. A. Junak 1996-5-17 SCI- 483 -a Los Angeles San Clemente Island: NE portion of island, E of SE end of airfield runways, just N of upper portion of road to Dolphin Bay, ca. 0.07 mile E of SE end of Perimeter Road, near UTM 11 0353630E 3655255N. 48.8 Comment
  RSA686313  Aspidotis californica L. C. Wheeler 1932-2-11 444 Los Angeles Foothills of San Gabriel Mountains. 2 miles N Thompson Creek Dam 670 Comment
  POM122906  Aster ascendens Marcus E. Jones 1924-9-10 s.n. Los Angeles San Gabriel Mountains: Swartout [Swarthout] valley Comment
  RSA611773  Aster greatae L. C. Wheeler 1933-8-14 2082 Los Angeles San Dimas Canyon. 640 Comment
  RSA642695  Aster greatae Orlando Mistretta 1992-7-14 719 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA417651  Aster subulatus var. ligulatus Robert Gustafson 1980-9-16 1922 Los Angeles Ballona Wetlands, Area 2. [See map on specimen for precise location.] Comment
  CLARK-A1528-4913  Astragalus bicristatus John C. Roos 1937-5-31 491 Los Angeles San Gabriel Mountains Comment
  UC1929527  Astragalus bicristatus Valerie Soza, Naomi Fraga 2003-6-13 1670 Los Angeles Transverse Ranges; San Gabriel Mountains region; Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06; Mount San Antonio quad.; T3N R7W S18, SW/4; UTM 3800050N, 0439579E; elev. 8300 ft 2530 Comment
  UCR116523  Astragalus brauntonii Robert Noll 2000-6-13 s.n. Los Angeles Western Transverse Range, Chatsworth, West Hills subdivision, off Valley Circle Blvd. near Roscoe Blvd., c. 0.5 mi up Dayton Canyon from Valley Circle 305 Comment
  CAS-BOT-BC182296  Astragalus didymocarpus var. didymocarpus W. R. Shaw 1901-4-2 573 Los Angeles Puente Hills 365 Comment
  RSA415477  Astragalus douglasii var. douglasii Lewis S. Ross 1968-4-5 68019 Los Angeles 10 miles E of Gorman 854 Comment
  RSA507524  Astragalus gambelianus L. C. Wheeler 1967-5-18 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA415576  Astragalus lentiginosus var. albifolius Anstruther Davidson 1922-05 3521 Los Angeles Lancaster. Comment
  RSA596973  Astragalus leucolobus R. G. Swinney 1996-5-27 4864 Los Angeles Eastern San Gabriel Mountains: N of Wrightwood, E of Table Mountain, ca. 0.25 mile SE of Smithsonian Observatory 2195 Comment
  CHSC101721  Astragalus miguelensis Mark Elvin; Orlando Mistretta 1996-3-24 120 Los Angeles Channel Island; San Clemente Island. Comment
  LA82134  Astragalus trichopodus var. lonchus O. H. Kappler; 1941-3-12 710 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Topanga Canyon State Park, 2.75 mi up Topanga Canyon Blvd. 152 Comment
  RSA415729  Astragalus trichopodus var. lonchus C. Epling 1931-5-2 s.n Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  CAS-BOT-BC199098  Astragalus trichopodus var. phoxus John Thomas Howell 1928-4-5 3720 Los Angeles Lower end of Bouquet Canyon, Liebre Mts. Comment
  LA200443  Astragalus trichopodus var. phoxus Louis Wheeler; 1931-11-11 345 B Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA155860  Atriplex argentea P. H. Raven 1962-7-10 17964 Los Angeles Summit of island above Wilson Cove, San Clemente Island 137 Comment
  RSA452437  Atriplex canescens Chris Henne 1944-4-20 s.n. Los Angeles Lovejoy Buttes, Antelope Valley Comment
  POM123166  Atriplex confertifolia Marcus E. Jones 1900-7-10 s.n. Los Angeles Lancaster, SW Mojave Desert. Comment
  POM11847  Atriplex coulteri Katherine Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  RSA3036  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey, Los Angeles Co. 15 Comment
  CATA201  Atriplex leucophylla Mark L. Hoefs 1973-4-15 180 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  SBBG12207  Atriplex leucophylla P. H. Raven 1962-7-12 18032 Los Angeles Northwest Harbor 9 Comment
  RSA478407  Atriplex semibaccata Gertrude Dunn 1930-8-9 s.n. Los Angeles Beach near Newport. Comment
  CAS-BOT-BC176747  Atriplex serenana var. serenana Geo. B. Grant 1901-4-21 s.n. Los Angeles Los Angeles Comment
  UCR125267  Atriplex suberecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25511 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, oil production area 366 Comment
  RSA155799  Atriplex watsonii P. H. Raven 1962-4-11 17255 Los Angeles Due west of Wall 2, San Clemente Island 9 Comment
  UCR271756  Avena barbata R. G. Swinney 2011-3-26 14232 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
  RSA640818  Avena fatua L. C. Wheeler 1931-4-6 s.n. Los Angeles LaVerne: Wheeler's residence. Comment
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Nov 23 2015
  RSA650450  Avena fatua David B. Dunn, H. Lint, P. Tolstoy 1948-4-23 s.n. Los Angeles Bonita Ave. near Irwindale Ave. Irwindale. Comment
  CAS-BOT-BC98728  Baccharis douglasii LeRoy Abrams 1903-8-26 2976 Los Angeles Ballona Creek, near Mesmer Comment
  RSA472105  Baccharis glutinosa M. B. Dunkle 1928-10-7 1993 Los Angeles Middle Ranch Gorge 46 Comment
  RSA167843  Baccharis pilularis R. F. Thorne 1964-2-7 33477 Los Angeles Santa Catalina Island. Junction of Airport and Canyon road. 457 Comment
  SD134539  Baccharis plummerae Craig Reiser 1989-3-29 Los Angeles Escondido Creek, Santa Monica Mts. Comment
  RSA656131  Baccharis salicifolia Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 669 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCR115988  Baccharis salicifolia A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23283 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 915 Comment
  UCR205526  Baccharis salicifolia A. C. Sanders, T. B. Salvato 2009-5-19 36811 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA649696  Baccharis sergiloides Michael Horn 1991-4-30 13 Los Angeles San Gabriel Mountains. Take dirt road 4N06 2 1/2 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site. 1463 Comment
  CAS-BOT-BC100024  Balsamorhiza deltoidea Le Roy Abrams; E. A. McGregor 1908-6-20 356 Los Angeles Liebre Mountain 1371 Comment
  JEPS59786  Bassia hyssopifolia H. E. McMinn 1928-8-2 Los Angeles s Norwalk Comment
  SBBG65264  Bassia hyssopifolia R. Hoffmann 1931-8-23 Los Angeles Santa Monica Comment
  RSA550589  Bergerocactus emoryi Fred M. Roberts, P. Bowler, R. Riefner 1989-4-4 4251 Los Angeles San Clemente Island: Eel Point, ca 10 km S. Wilson Cove, alt. 10 meters 10 Comment
  RSA527697  Beta vulgaris T. S. Ross, Annette Ross 1991-6-3 5519 Los Angeles Elephant Hill: west Pomona. 256 Comment
  POM350842  Bidens frondosa Geo L. Moxley 1916-8-17 508 Los Angeles L.A. riverbed near Broadway Bridge Comment
  JEPS21653  Bidens pilosa J. H. Thomas 1957-11-13 6971 Los Angeles near Colorado St. and Lake Ave. (Pasadena); Pasadena Comment
  RSA608596  Bidens pilosa L. C. Wheeler 1931-8-6 11 Los Angeles 2.5 miles NE of La Verne 412 Comment
  CATA651  Bloomeria crocea Mark L. Hoefs 1991-4-18 1125 Los Angeles Santa Catalina Island: By road above Parson's Landing 129 Comment
  RSA652837  Bloomeria crocea Roxanne Smith 1991-5-12 25 Los Angeles Hills about 0.6 mile south-east of Golden Springs and Diamond Bar Blvd. Comment
  UC1133855  Bloomeria crocea A. D. Gifford 1934-4-23 159 Los Angeles 2 mi. n.e. Castro Peak; Triunfo Pass Quad. Comment
  UC905456  Bloomeria crocea Ira W. Clokey, B. Templeton 1929-5-1 4543 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 500 Comment
  RSA367307  Bloomeria crocea var. crocea D. A. Young 1969-5-25 P 489 Los Angeles 100 ft. off the right side of Diamond Bar Blvd. Diamond Bar 274 Comment
  RSA367320  Bloomeria crocea var. crocea Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  SEINET13203153 Image available Boechera californica R. G. Swinney 2009-1 11261 Los Angeles Transverse Range; San Gabriel Mtns.: summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. (Chilao Flat 7.5' Q.) (T3N R11W S18) 1908 Comment
  RSA0128796  Boechera californica Orlando Mistretta, Christine Mistretta 2008-4-17 2478 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA600439  Boisduvalia glabella Louis C. Wheeler 1933-4-27 1670 Los Angeles San Pedro Hills 305 Comment
  CAS-BOT-BC30966  Bolboschoenus maritimus A. C. Sanders; E. J. Lott 1993-5-6 13991 Los Angeles Western Mojave Desert: SW edge of Rosamond Dry Lake, near E end of Ave C, 701 Comment
  RSA729545  Boschniakia strobilacea R. G. Swinney 1998-6-16 6993 Los Angeles San Gabriel Mtns; summit of Lookout (Antonio) Mountain. 2070 Comment
  RSA0115808  Bothriochloa barbinodis Steven A. Junak 1999-7-15 SCa- 1023 Los Angeles Santa Catalina Island. Immediately inland from Salta Verde Beach, on slump or landslide area. 6 Comment
  SEINET11941934  Bougainvillea glabra J. Bright, Wyman, C. 1931-1 5700 Los Angeles Hollywood Comment
  UCR276960  Boykinia rotundifolia R. G. Swinney 2010-6-8 13233 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Waterfall Trail in Los Pinetos Cyn., 0.4 to 0.6 miles south of Placerita Cyn. at Walker Campground, from waterfall to 0.2 miles downstream 671 Comment
  CATA1081  Brachypodium distachyon Mark L. Hoefs 1995-5-16 2031 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  SBBG31198  Brachypodium distachyon R. F. Thorne 1966-6-2 Los Angeles between Moonstone and White Coves 30 Comment
  RSA0036766  Brassica geniculata Michelle Cleveland 1981-2-14 17 Los Angeles Hwy 10 East, exit on Etiwanda, head North, take next Right, stop at agriculturely maintained field next to Etiwanda and adjacent the Hwy. Comment
  UCR256844  Brassica nigra R. G. Swinney 2010-6-8 13201 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  SEINET12004600  Brassica rapa Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  RSA182192  Brassica tournefortii James Henrickson 1963-05 1255 Los Angeles Adjacent to Rancho Santa Ana Botanic Garden. 381 Comment
  LA31685  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-9-27 14501 Los Angeles Santa Monica Mountains, Sepulveda Canyon, along Sepulveda Blvd 243 Comment
  RSA188162  Brickellia californica R. F. Thorne 1966-4-5 35815 Los Angeles Santa Catalina Island. Along small stream in Middle Ranch Canyon below Stage Station SW of Eagles Nest. 76 Comment
  POM351183  Brickellia incana Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  LA31691  Brickellia nevinii Peter H. Raven; Henry J. Thompson 1959-10-31 14723 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  UCR117556  Brickellia nevinii A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23295 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 793 Comment
  CATA1199  Brodiaea jolonensis Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-6 2231 Los Angeles Santa Catalina Island: Just past gate (from Airport road) by road to Black Jack Camp 350 Comment
  RSA376787  Brodiaea terrestris subsp. kernensis Anstruther Davidson 1890-4-27 s.n. Los Angeles Sunnyside L.A. Comment
  UCR183988  Bromus arenarius A. C. Sanders 2007-4-19 33423 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  SBBG12188  Bromus berteroanus P. H. Raven 1962-4-10 17185 Los Angeles Wilson Cove 60 Comment
  POM1269  Bromus carinatus D. L. Crawford, Otis Hiatt 1916-3-28 709 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  SD185079  Bromus carinatus A. C. Sanders, Lee Jones 2005-4-8 29322 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point. 2 Comment
  UCR223574  Bromus carinatus R. G. Swinney 2009-6-3 11034 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
  RSA656839  Bromus carinatus var. carinatus Valerie L. Soza, Leland Lubinsky 2000-6-23 1026 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  RSA699882  Bromus carinatus var. carinatus LeRoy Gross, Ted Anderson 2004-5-3 1214 Los Angeles Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1458 Comment
  UCD58268  Bromus carinatus var. carinatus Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp. Comment
  CAS-BOT-BC156113  Bromus diandrus John H. Thomas 1957-5-17 6765 Los Angeles Los Angeles. Occidental College Campus. Near Moore Laboratory. Comment
  RSA91369  Bromus diandrus F. W. Peirson 1918-04 1559 Los Angeles Altadena. Comment
  RSA91690  Bromus diandrus F. W. Peirson 1924-5-27 4621 Los Angeles San Gabriel Mountains. North slope, Strawberry Peak. 1753 Comment
  SEINET10517956  Bromus diandrus LeRoy R. Abrams 1902-5-31 Abrams 2483 Los Angeles Along streets, Inglewood. Comment
  CAS-BOT-BC155590  Bromus grandis W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak. Comment
  POM11263  Bromus hordeaceus F. L. Robinson 1921-05 51 Los Angeles Claremont. 366 Comment
  RSA656173  Bromus hordeaceus Joseph M. Keefe 1978-5-23 23202 Los Angeles San Rafael Mountains; Disturbed chaparral near path; 100 meters east of cafeteria, Glendale College, 1500 North Verdugo Road, Glendale. 287 Comment
  RSA729237  Bromus japonicus R. G. Swinney 1998-7-27 6505 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  RSA662570  Bromus madritensis S. Koukol, R. Koukol 1998-5-3 42 Los Angeles La Verne, Foothill Blvd., 125 m W. of Wheeler Avenue 344 Comment
  UCR144157  Bromus madritensis subsp. madritensis Scott D. White 1997-5-8 5095 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Canyon: north of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir 427 Comment
  LA13833  Bromus madritensis subsp. rubens Marjorie Bowler; 1937-11-15 105 Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  UC816375  Bromus madritensis subsp. rubens Carl Epling 1931-4-25 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  CAS-BOT-BC161863  Bromus rubens L. R. Abrams 1927-4-30 11745 Los Angeles Antelope Valley between Fairmont and Neenach. Comment
  RSA654069  Bromus rubens Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 731 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 426 Comment
  RSA721302  Bromus rubens R. G. Swinney 1998-4-11 5936 Los Angeles Claremont, 0.5 mi. to 1 mi. NE of Padua Hills Restaurant, which is on Padua Dr 768 Comment
  SEINET10835306  Bromus rubens David B. Dunn 1946-4-20 Dunn 2151 Los Angeles Station 66, near the foothills on the west side of the mojave desert, n of Palmdale, on the grassy slopes, between the shrubs and along the road. 823 Comment
  SEINET3923579  Bromus tectorum Robert F. Thorne 1971-5-18 41368 Los Angeles Santa Catalina Island: White's Landing.; 0 30 Comment
  UCR155623  Bromus tectorum A. C. Sanders, T. B. Salvato 2005-4-26 29705 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
  RSA0019957  Bromus tectorum L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  JEPS17234  Calandrinia breweri J. T. Howell 1928-3-20 466 Los Angeles Vermont Canyon Los Angeles, Griffith Park Comment
  RSA466526  Calandrinia breweri H. E. Hasse 1909-07 2308 Los Angeles Topanga Canyon Comment
  UC1922752  Calandrinia breweri Valerie L. Soza, Laura Moore 2000-5-10 870 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 22.9'' N 118deg 18' .7'' W T2N R14W NE/4, SW/4 sec. 24. Comment
  SBBG126074  Callitriche marginata A. Parikh with N. Gale, A. C. Sanders, S. Reynolds 2010-3-29 3134 Los Angeles ephemeral stream ca 0.7 mi ESE (103 deg) of Quail Lake, NE of intersection of National Cement Plant Rd and Hwy 138 1015 Comment
  RSA352847  Calocedrus decurrens L. E. Hoffman 1931-11-28 s.n. Los Angeles Holcomb Creek, Angeles National Forest. Comment
  RSA733392  Calocedrus decurrens R. G. Swinney 2001-6-2 7966 Los Angeles Mojave Desert: Juniper Hills area, Cruthers Creek 1.1 mi. south of Devils Punchbowl Rd. 1311 Comment
  POM145405  Calochortus albus C. L. Hitchcock 1928-5-10 s.n. Los Angeles San Dimas Canyon. San Gabriel Mountains. 762 Comment
  POM157977  Calochortus catalinae M. B. Dunkle 1928-3-17 1752 Los Angeles Santa Catalina Island. Isthmus. 91 Comment
  SD69789  Calochortus catalinae Robert F. Thorne 1966-4-4 35767 Los Angeles Santa Catalina Island, on grassy west-facing slope, bluff southeast of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UCD139491  Calochortus catalinae Louis C. Wheeler 1934-4-6 2507 Los Angeles near mouth of San Dimas Canyon, San Gabriel Mountains. 441 Comment
  UC1601656  Calochortus invenustus I. M. Johnston 1917-7-4 1397 Los Angeles s slope Baldy; San Antonio Mountains 2286 Comment
  RSA607225  Calochortus kennedyi var. kennedyi Louis C. Wheeler 1968-5-27 s.n. Los Angeles Alimony Ridge. 1432 Comment
  RSA641303  Calochortus palmeri var. palmeri Orlando Mistretta, Mark Elvin 1995-3-30 1681 Los Angeles San Gabirel Mountains: Devil's Punchbowl., Near 34 24 54 N 117 50 55 W. 1311 Comment
  RSA641383  Calochortus plummerae Orlando Mistretta 1995-06 s.n. Los Angeles San Gabriel Mountains: West Fork San Gabriel River ca. 1/4 mile west of confluence with Bichota Creek. Comment
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Oct 16 2014
  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
  UC69658  Calochortus plummerae Dr. J. Q. Adams Aug 1905 Los Angeles Santa Monica Mts. Comment
  CAS-BOT-BC493414  Calochortus splendens Bell Richardson Jackson 1941-6-1 s.n. Los Angeles San Gabriel Wash, N.E. of Claremont Comment
  RSA603910  Calochortus venustus Louis C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  SEINET3885387  Calochortus venustus K. Dobry 1992-1 d 1065 Los Angeles South end of Las Virgenes Reservoir at the south end of Lindero Canyon. City of Westlake, Santa Monica Mountain.; 0 Comment
  UCR46182  Calochortus venustus Kathy Harper 1986-5-17 s.n. Los Angeles Bouquet Canyon Road north of Bear Spring at the junction with a dirt road [Leona Divide Fire Rd.?] south of and parallel to Elizabeth Lake Road Comment
  CAS-BOT-BC496760  Calochortus venustus S. M. Kaune 1962-6-13 386 Los Angeles ca. 15-20 mi. s. of Tejon Pass; on route toward Castaic; off of Hwy 99; just s. and above Oso canon; sw. end of the Tehatchopi Mtns.; Angeles Nat'l Forest 914 Comment
  RSA563510  Calochortus weedii var. intermedius Timothy S. Ross, Annette H. Ross 1991-6-3 5525 -A Los Angeles Elephant Hill: northernmost point of the Puente Hills complex. 296 Comment
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May 29 2015
  RSA0040379  Calyptridium monandrum R. G. Swinney 2010-5-11 12662 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary. 829 Comment
  SBBG127087  Calystegia longipes A. Parikh, N. Gale 2011-6-20 3489 Los Angeles S of Rabbit Peak, 1.8 km E of Angeles Forest Hwy, 0.2 km N of Monte Cristo Crk; San Gabriel Mtns 1330 Comment
  RSA422196  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-2-18 396 Los Angeles San Clemente Island. Comment
  RSA526620  Calystegia macrostegia subsp. amplissima Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4210 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA572379  Calystegia macrostegia subsp. amplissima F. H. Elmore 1939-11-26 s.n. Los Angeles Northwest Harbor of San Clemente Island. Comment
  SBBG37910  Calystegia macrostegia subsp. amplissima M. B. Dunkle 1939-4-6 7291 Los Angeles Mosquito Harbor Comment
  UC1587567  Calystegia macrostegia subsp. cyclostegia Tim Ross 1991-9-2 5930 Los Angeles near Yerba Buena Road x Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  CAS-BOT-BC215793  Calystegia macrostegia subsp. intermedia Le Roy Abrams 1901-6-18 s.n. Los Angeles Los Angeles Comment
  SFV21427  Calystegia macrostegia subsp. intermedia L. Gross, N. Fraga, B. Hogshead, A. Virgen 2003-6-19 1094 Los Angeles Verdugo Mountains Low foothills north of the 210 Freeway. Followed the firebreak southwest. 598 Comment
  UC23160  Calystegia macrostegia subsp. intermedia J. H. Barber 1897-3-16 63 Los Angeles Santa Monica Comment
  RSA422169  Calystegia occidentalis subsp. fulcrata Robert Gustafson 1978-6-1 972 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA716899  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Bryan Carey 2006-6-20 2522 Los Angeles Straight across road (3N17.6) from the sign to enter into Messenger Flats Campground, west of Mount Gleason. 1799 Comment
  POM19068  Calystegia peirsonii P. A. Munz 1923-5-25 6824 Los Angeles Big Rock Creek, San Gabriel Mts. 1280 Comment
  RSA617484  Calystegia peirsonii Scott D. White, Sandy Leatherman 1998-5-19 6513 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between 1-5 fwy./ Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  RSA680398  Calystegia peirsonii Michael Honer, Dylan Hannon 2003-7-1 1836 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway junction with Ridge Rt. Rd. 396 Comment
  UC126774  Calystegia sepium subsp. binghamiae Pupils of Los Angeles High School 1904-5 Los Angeles Near Los Angeles. Comment
  UCR193448  Camissonia R. G. Swinney 1999-6-18 7277 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA758001  Camissonia bistorta D. E. Bramlet, Jennifer Pareti 2008-4-14 4187 Los Angeles Transverse Ranges; Liebre Mtns region: Bouquet Canyon. 762 m SE of Bouquet Cyn Rd, & 549 m S Hayfork Rd. Comment
  RSA465675  Camissonia bistorta E. A. Purer, F. Detmers 1931-3-25 14049 Los Angeles Near Torrance. Comment
  UCR127365  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  UCR222837  Camissonia campestris R. G. Swinney 2009-4-28 10551 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR270501  Camissonia campestris R. G. Swinney 2011-5-26 14850 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
  SBBG60380  Camissonia campestris subsp. campestris R. Hoffmann 1925-4-19 Los Angeles Lake Elizabeth Comment
  SDSU1157  Camissonia campestris subsp. campestris D. F. Howe 1947-5-6 1534 Los Angeles North face of San Gabriel Mts. Comment
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Dec 29 2015
  UC874012  Camissonia campestris subsp. campestris I. W. Clokey and B. C. Templeton 1930-4-8 4653 Los Angeles w Lanchaster 400 Comment
  RSA659473  Camissonia cheiranthifolia J. C. Roos 1956-5-22 s.n. Los Angeles In El Segundo, near Hypericon. 9 Comment
  RSA454050  Camissonia cheiranthifolia subsp. suffruticosa F. R. Fosberg 1930-6-23 S 2989 Los Angeles Del Rey. 2 Comment
  RSA585916  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-5-17 2568 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  RSA449017  Camissonia intermedia Anstruther Davidson 1903-5-8 1378 Los Angeles Hollywood. Comment
  RSA780008  Camissonia micrantha R. G. Swinney 2009-4-7 10301 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UCR188660  Camissonia micrantha R. G. Swinney 1990-3-24 1562 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  POM96033  Camissonia pallida subsp. pallida P. A. Munz 1926-4-4 10013 Los Angeles 2 miles north of Saugus. Comment
  RSA449232  Camissonia pallida subsp. pallida Bonnie C. Templeton 1930-4-2 4410 Los Angeles Mulholland Dr. Santa Monica Mountains. Comment
  UCR216560  Camissonia robusta Dan S. Cooper 2010-6-13 610- 68 Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Drive west of Griffith Park 155 Comment
  UCR192009  Camissonia strigulosa A. C. Sanders 2008-4-17 34916 Los Angeles Transverse Range, 1.5 mile SW of Neenach School, c. 0.75 mi. SW of VABM 'Pine', south of peak 3413 1012 Comment
  OBI48966  Camissoniopsis bistorta Unknown 1882-2-27 s.n. Los Angeles Pasadena Comment
  SD82804  Camissoniopsis bistorta R. S. Woglum 1930-5-17 Los Angeles Pasadena Comment
  UC874208  Camissoniopsis bistorta I. W. Clokey and B. C. Templeton 1930-4-8 4693 Los Angeles San Francisquito Canyon 700 Comment
  UCD15279  Camissoniopsis cheiranthifolia Claire Warshaw 1985-5-12 16 Los Angeles growing at intersection of Ardmore Ave. and Manhattan Beach Blvd. 36 Comment
  UCD103533  Camissoniopsis cheiranthifolia subsp. suffruticosa Daryl Koutnik 1978-3-30 s.n. Los Angeles NW of intersection of Pacific Ave. and Culver Blvd. near base of Ballona Bluffs. 3 Comment
  SBBG98674  Camissoniopsis guadalupensis subsp. clementina T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5081 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  UC1552134  Camissoniopsis hirtella David Charlton 1988-4-2 1481 Los Angeles Cleghorn Road Turnoff on pass Cajon Pass (I 15, Swarthout Valley Rd to end of pavement, under powerline) 1524 Comment
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Feb 4 2015
  RSA783077  Camissoniopsis pallida subsp. pallida Pam De Vries 2011-5-4 7767 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 1 air mile WNW of the intersection of Avenida Rancho Tesoro and Tesoro del Valley Dr. (Santa Clarita). 502 Comment
  LA46203  Canbya candida H. Domsler; May 1926 sn Los Angeles near Lancaster Comment
  CAS-BOT-BC37465  Cardamine californica LeRoy Ellsworth Detling 1935-4-8 1570 Los Angeles La Sierra Canyon, 1 mile above Seminole Hot Springs. Comment
  CDA6815  Carduus nutans George Garrettson 1954-6-1 Los Angeles San Vicente Ranch, Walnut. 0 Comment
  CAS-BOT-BC282968  Carduus pycnocephalus Tim Ross 1992-6-15 6554 Los Angeles Whittier Hills (local name for the W extremity of the Puente Hills): upper end of Turnbull Canyon 304 Comment
  CATA3142  Carduus pycnocephalus subsp. pycnocephalus Sarah Ratay 2011-4-28 136 Los Angeles Santa Catalina Island: Middle Ranch Road, sharp turn below Airport-Middle Ranch road junction 394 Comment
  RSA603207  Carex alma L. C. Wheeler 1954-9-1 7084 Los Angeles San Gabriel Mountains: Little Rock Creek, ca. 1 mile downstream from Cooper Creek. Comment
  RSA730301  Carex alma R. G. Swinney 1999-6-18 7301 Los Angeles Big John Flat, SE end along canyon bottom of east of fork of Boulder Canyon. 1732 Comment
  UCR205093  Carex alma R. G. Swinney 2008-4-11 8649 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  SEINET7549363 Image available Carex alma Louis C. Wheeler 1967-5-24 9732 Los Angeles San Gabriel Mountains. Indian Canyon, near mouth. 678 Comment
  UC56691  Carex barbarae Ernest Braunton 1903-1-20 799 Los Angeles Oak Knoll Comment
  RSA577528  Carex densa L. C. Wheeler 1933-5-13 1727 Los Angeles Cobal Canyon 487 Comment
  SEINET6191030 Image available Carex diandra Unknown 1904-5-24 138 a Los Angeles Pasadena Comment
  RSA729709  Carex douglasii R. G. Swinney 1999-6-18 7331 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
  UCR202729  Carex fracta R. G. Swinney, Cody Clarke 2001-8-22 8074 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA229047  Carex heteroneura var. heteroneura Robert F. Thorne 1969-7-29 38849 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, open N-facing slope above Angeles Crest Hwy. at headwater of S Fork, Big Rock Creek, c. 1.7 mi. S of Dawson Saddle 2317 Comment
  SEINET7568449 Image available Carex multicaulis Orlando Mistretta, Tim Ross 1994-6-1 1306 Los Angeles San Gabriel Mountains, Santiago Canyon, Pacifico Mtn. 7.5' USGS topographic quadrangle. 1600 Comment
  RSA604684  Carex praegracilis L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 200 yards E of foot of Holiday Hill Ski Lift. Comment
  CAS-BOT-BC117936  Carex schottii H. E. Hasse 1889-5-1 s.n. Los Angeles Marsh at Cienega. Comment
  RSA701285  Carex spissa LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1056 Los Angeles South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. 520 Comment
  SEINET11638295  Carex subfusca J. F. Bright, Wyman, C. 1933-1 8353 Los Angeles Boquet Canyon Comment
  CDA20203  Carpobrotus chilensis M. O'Brien 2003-5-18 MOB 23 -03 Los Angeles South Coast; Malibu Lagoon State Beach. 0 Comment
  RSA567777  Carpobrotus chilensis H. T. Beck 1992-2-5 1494 Los Angeles Malibu PC hwy, 0.72km N of Nicholas Beach. 2.7 km N jxn Hwy!, Decker Canyon. Comment
  SFV16507  Carpobrotus chilensis A. Alcantara, E. Brown 1993-4-6 Los Angeles Palos Verdes Peninsula Palos Verdes Peninsula, Hawthorne Blvd. to end towards ocean, make right on Palos Verdes Dr. West, left on Via Margarita to end. Hike through gate to top of cliffs. 35 Comment
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Jul 8 2014
  LA103311  Carpobrotus edulis Barry A. Prigge; 1986-3-19 6939 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy Comment
  UCR156107  Carthamus baeticus A. C. Sanders 2005-5-5 29884 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  POM219978  Castilleja affinis F. R. Fosberg 1932-5-5 8106 Los Angeles Hills N Avalon, Santa Catalina Island 40 Comment
  JEPS57317  Castilleja affinis subsp. affinis L. R. Heckard 1968-5-12 1862 Los Angeles Point Dume Comment
  UC885395  Castilleja affinis subsp. affinis F. R. Fosberg 1931-3-25 S 4362 Los Angeles s wall Hamilton Canyon; Santa Catalina Island 10 Comment
  UCR194612  Castilleja applegatei R. G. Swinney 1998-8-13 6752 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  RSA524621  Castilleja applegatei subsp. martinii Tim S. Ross, Steve D. Boyd 1990-5-17 2590 Los Angeles San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District. 1613 Comment
  RSA733159  Castilleja applegatei subsp. martinii R. G. Swinney 1997-6-13 5592 Los Angeles San Gabriel Mtns: ridge NE of Table Mountain (pk. 7473'), ca. 0.4 mi. W of San Bernardino Co. line. 2195 Comment
  UCD122392  Castilleja exserta Geoffrey Levin 1974-5-2 70 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. Santa Ana River, Pacific slope drainage area. Alluvial Fan of Mt. San Antonio (San Gabriel Mts.). 335 Comment
  LA35993  Castilleja exserta subsp. exserta Peter H. Raven; Henry J. Thompson 1960-4-12 15022 Los Angeles Santa Monica Mountains, Mulholland Drive, 3.1 W of Las Virgenes Road 274 Comment
  SBBG68629  Castilleja exserta subsp. exserta R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  UCSB10573  Castilleja exserta subsp. exserta Haller, Norman 1953-3-21 Los Angeles Point Dume Comment
  SFV7336  Castilleja foliolosa T. Gordon, M. H. Grayum 1975-3-21 852 Los Angeles Santa Monica Mountains Along Mulholland Highway about 5 miles west of Malibu Canyon Road. 305 Comment
  UC26419  Castilleja foliolosa Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  UCR65528  Castilleja grisea Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 796- 2 Los Angeles Channel Islands, San Clemente Island, Horse Beach Canyon, S end of island 21 Comment
  OBI35971  Castilleja linariifolia J. & B. Semple, B. Semple 1981-8-14 s.n. Los Angeles E. of Kratka Ridge, along crk 2134 Comment
  RSA586670  Castilleja plagiotoma Orlando Mistretta, Mark A. Elvin 1995-5-10 1708 Los Angeles Bare Mountain Canyon, West Fork. 1159 Comment
  RSA725189  Castilleja plagiotoma Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -101 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  RSA0086852  Caucalis microcarpa R. G. Swinney 2011-5-3 14560 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SFV1438  Caulanthus amplexicaulis K. A. Wilson 1962-5-26 1293 Los Angeles San Gabriel Mountains Mill Creek Road, 4 miles north of Big Tujunga Canyon Road. 1185 Comment
  RSA585154  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, S. D. Boyd 1990-5-31 2733 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA611649  Caulanthus cooperi Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10079 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  SD37965  Caulanthus coulteri Edith A. Purer 1931-3-15 Los Angeles Elizabeth Lake Comment
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Jul 10 2010
  SD247376  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-29 10690 Los Angeles Tehachapi Mountains: Tejon Ranch, south of Lebec, lower slope above Interstate 5, ca. 0.7 mile east of Gorman. 1230 Comment
  CAS-BOT-BC41133  Caulanthus heterophyllus G. B. Grant 1903-3-20 5548 Los Angeles Garvanza. Comment
  RSA596426  Caulanthus major Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3361 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  UCR190748  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
  JEPS82371  Ceanothus W. L. Jepson 1939-4-14 19113 Los Angeles a canyon head just below Topanga Canyon summit Santa Monica Mountains Comment
  RSA399158  Ceanothus arboreus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon. Santa Catalina Island Comment
  SBBG13070  Ceanothus arboreus E. R. Blakley 1961-9-24 4769 Los Angeles E fork of Cherry Valley 152 Comment
  SD84813  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Ridge between Johnson's Valley & Howland's Valley, Santa Catalina Island 399 Comment
  CAS-BOT-BC48755  Ceanothus crassifolius C. H. M.; V. B. 1907-10-20 1343 Los Angeles San Pasqual Canyon Comment
  POM136654  Ceanothus crassifolius C. F. Baker 1904-2-17 4062 Los Angeles San Antonio Canyon. Comment
  RSA398866  Ceanothus crassifolius Samuel R. Tyson 1942-3-20 s.n. Los Angeles San Dimas Canyon 945 Comment
  RSA501312  Ceanothus crassifolius S. Zona, D. Ham 1989-4-1 307 Los Angeles Tapia County Park, Shaded north facing slope beyond picnic area. 180 Comment
  UC80005  Ceanothus crassifolius Katharine Brandegee May 1889 85 Los Angeles Newhall Comment
  UCR150899  Ceanothus crassifolius Valerie Soza, Kent Hughes 1999-6-17 561 b Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  RSA127442  Ceanothus cuneatus H. J. Thompson 1959-3-22 1869 Los Angeles Lobo Canyon 1 mile west of Malibu Lake 274 Comment
  RSA399025  Ceanothus greggii var. vestitus L. E. Hoffman 1931-11-28 16305 Los Angeles Holcomb Creek, Angeles National Forest. Comment
  SD65472  Ceanothus greggii var. vestitus Reid Moran 1967-7-22 14083 Los Angeles on ridge; Chilao, San Gabriel Mountains 1650 Comment
  CAS-BOT-BC51437  Ceanothus megacarpus var. megacarpus Geo. B. Grant 1901-4-21 s.n. Los Angeles Griffith Park Comment
  RSA399844  Ceanothus megacarpus var. megacarpus Edwin Kline 1923-05 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  UC1070884  Ceanothus megacarpus var. megacarpus H. A. Jensen 1933-4-10 286 Los Angeles Hollywood Lake Santa Monica quad. 243 Comment
  POM17614  Ceanothus oliganthus var. oliganthus P. A. Munz 1923-3-10 7322 Los Angeles Palmer Canyon Wash, north of Claremont. Wash west of North Indian Hill Boulevard. Comment
  UCR147711  Ceanothus oliganthus var. oliganthus Valerie Soza, Et al. 2000-6-27 1032 b Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  UCR259957  Ceanothus oliganthus var. sorediatus R. G. Swinney 2010-3-16 11953 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  LA32019  Ceanothus spinosus Peter H. Raven; Henry J. Thompson 1959-5-5 14140 Los Angeles Santa Monica Mountains, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1), Malibu Creek drainage 365 Comment
  UC1594359  Ceanothus spinosus Tim Ross, Mathew Bell 1992-3-22 6054 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  RSA398934A  Ceanothus spinosus Davidson 1890-04 s.n. Los Angeles [Unspecified] Comment
  RSA188093  Centaurea cineraria R. F. Thorne 1966-4-28 36239 Los Angeles Santa Catalina Island. Wrigley Drive near Avalon. 91 Comment
  CHSC25954  Centaurea melitensis E. Bushey 1968-5-22 82 Los Angeles Mulholland Dr. 304 Comment
  UCR273108  Centaurea melitensis R. G. Swinney 2011-4-26 14522 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UC472215  Centaurea melitensis J. Grinnell 1903-6-27 Los Angeles Arroyo Seco Pasadena, Arroyo Seco Comment
  UCR102383  Centaurea repens L. C. Wheeler 1973-6-14 s.n. Los Angeles Coastal Plains & Basins; Los Angeles Basin region, California State University, Long Beach Comment
  RSA0068080  Centrostegia thurberi R. G. Swinney 2010-5-19 12843 Los Angeles Horseshoe bend in Pacific Telephone Access Rd., 0.3 air miles NNE of Oracle Hill Summit, 2.1 air miles due east of Angeles Forest Hwy, 0.8 air miles due west of Mt. Emma Rd. 1207 Comment
  RSA729789  Centrostegia thurberi R. G. Swinney 1998-6-12 6965 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
  SD42642  Centrostegia thurberi Darley F. Howe 1947-5-5 1537 Los Angeles Betw. Palmdale and Littlerock Comment
  UCR189996  Centrostegia thurberi R. G. Swinney, Vanessa Merritt 1998-6-12 6965 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
  UCSB33672  Cerastium glomeratum Griesel, Wesley 1962-3-31 Los Angeles Tapia Park; Santa Monica Mts. 152 Comment
  RSA411777  Ceratophyllum demersum F. R. Fosberg 1931-8-10 s 5485 Los Angeles Crystal Lake, Pine Flats: N. Fork, San Gabriel Canyon, San Gabriel Mountains 1600 Comment
  RSA585689  Cercis occidentalis T. S. Ross 1990-6-11 3015 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  RSA453291  Cercocarpus betuloides Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  RSA655936  Cercocarpus betuloides James Henrickson 2000-4-15 20707 Los Angeles 1 mile SE of Newhall in W part of Whitney Canyon just NE of junction of San Fernando Road and State Hwy 14, within 200ft of Hwy 14 473 Comment
  CAS-BOT-BC142120  Cercocarpus betuloides var. betuloides Alice Eastwood 1917-7-20 6485 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC142171  Cercocarpus betuloides var. betuloides Le Roy Abrams 1901-4-13 1522 Los Angeles Sierra Madre Mts., Wilson's Trail Comment
  LA82107  Cercocarpus betuloides var. betuloides O. H. Kappler; 1941-3-15 131 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA497906  Cercocarpus betuloides var. betuloides Martha Hilend 1928-2-9 46 Los Angeles Big Santa Anita Canyon. Comment
  UC1127855  Cercocarpus betuloides var. blancheae A. E. Wieslander 1933-3-27 284 Los Angeles Head of Topanga Creek 518 Comment
  UC859404  Cercocarpus betuloides var. blancheae Ezra C. Knopf 477 Los Angeles Santa Catalina Island Comment
  SBBG128355  Cercocarpus traskiae B. E. Carter, J. Clark, A. Castellano 2012-8-2 6919 Los Angeles Wild Boar Gully 172 Comment
  SD84878  Cercocarpus traskiae Reid Moran 1941-3-5 678 Los Angeles Salta Vede, bottom of arroyo, Santa Catalina Island. 249 Comment
  CAS-BOT-BC279522  Chaenactis artemisiifolia Moxley 1915-5-31 343 Los Angeles Sturtevant Trail, San Gabriel Mts Comment
  LA31657  Chaenactis artemisiifolia Henry J. Thompson; 1959-5-31 2049 Los Angeles Santa Monica Mountains, Decker Road 0.7 mi. S of Ventura-Los Angeles county line 426 Comment
  RSA598909  Chaenactis artemisiifolia R. G. Swinney s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. 200 yards E of Big Dalton Canyon Road, 1 mi. NE of Glendora Mtn. Rd. 472 Comment
  JEPS30575  Chaenactis glabriuscula var. glabriuscula Donald M. Kyhos 1957-4-30 57 -130 Los Angeles Gorman Comment
  SBBG65581  Chaenactis glabriuscula var. glabriuscula R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk, Paradise Camp Comment
  SFV13412  Chaenactis glabriuscula var. glabriuscula W. M. Perry 1980-7-3 68 Los Angeles San Gabriel Mountains Cattle Canyon on 2N06, at narrows. Comment
  UC55113  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3776 Los Angeles near Los Angeles; Playa del Rey Comment
  JEPS30603  Chaenactis glabriuscula var. glabriuscula Donald M. Kyhos 1957-4-12 57 -45 Los Angeles 3.2 mi below Guard Station; Soledad Canyon Comment
  CAS-BOT-BC277828  Chaenactis santolinoides Wesley O. Griesel 1962-6-27 s.n. Los Angeles Dawson Saddle, San Gabriel Mts. 2438 Comment
  SBBG11626  Chaenactis xantiana E. R. Blakley 1958-5-9 2260 Los Angeles hills 2 mi E of Gorman 1097 Comment
  UCR82273  Chaenactis xantiana J. M. Stewart 1994-4-11 826 Los Angeles Western Mojave Desert, Antelope Valley, Munz Canyon Road, near Elizabeth Lake 1098 Comment
  RSA518468  Chamaesyce albomarginata Gary D. Wallace 1966-4-12 449 Los Angeles Campus of Cal. St. College at L.A. Comment
  RSA568996  Chamaesyce albomarginata N. C. Cooper 1944-4-23 1163 Los Angeles Pomona. 244 Comment
  RSA561602  Chamaesyce maculata Steve Boyd 1993-6-1 8171 Los Angeles north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Foresst. Along Whitney Canyon Road. 853 Comment
  RSA591662  Chamaesyce maculata L. C. Wheeler 1966-9-21 8895 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  RSA432394  Chamaesyce melanadenia Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park. Comment
  RSA582952  Cheilanthes covillei T. S. Ross, Steve Boyd 1993-5-23 7291 Los Angeles Saddle between Red Mtn's long E ridge and a small notched peak (3227-ft), ca 700 m SSW of Plum Spring (in upper Clearwater Canyon). 884 Comment
  RSA685693  Cheilanthes covillei T. R. Pray 1960-3-20 1651 Los Angeles Elizabeth Canyon Comment
  SEINET10539461 Image available Cheiranthus suffrutescens LeRoy R. Abrams 1902-6-10 Abrams 2511 Los Angeles Playa del Rey. Sand dunes. Comment
  RSA594676  Chenopodium album L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mountains. Henninger Flats. 792 Comment
  RSA594395  Chenopodium ambrosioides Steve Boyd, Lauren Raz 1996-10-14 9072 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA607520  Chenopodium ambrosioides L. C. Wheeler 1969-12-22 s.n. Los Angeles San Gabriel Mountains: East Fork Big Santa Anita Canyon. 670 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
  RSA596500  Chenopodium botrys L. C. Wheeler 1966-11-26 9158 Los Angeles San Gabriel Mountains. West side Monrovia Peak. Spring Camp. 1371 Comment
  RSA478487  Chenopodium californicum L. C. Wheeler 1932-4-21 646 Los Angeles Mandeville Canyon. 122 Comment
  UCR138993  Chenopodium californicum L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mtns., Wildwood Ranch, Shuler Canyon 412 Comment
  UCR13734  Chenopodium multifidum O. F. Clarke 1973-8-4 s.n. Los Angeles San Gabriel Valley, Pomona, corner of 9th and Locust Streets. 76 Comment
  LA31614  Chenopodium pumilio Peter H. Raven; 1959-10-9 14611 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  UCR150389  Chenopodium strictum L. C. Wheeler 1970-8-15 s.n. Los Angeles Pico and Figueroa St., Los Angleles 71 Comment
  UCSB50279  Chlorogalum pomeridianum Reisentz, Paul 1975-6-7 Los Angeles Twin Falls Reserve, 1 mile east of Stunt Rd. from Mulholland Hwy. 274 Comment
  CHSC95471  Chlorogalum pomeridianum var. pomeridianum LeRoy Gross; Valerier Soza, Samantha Tessel 2001-6-4 405 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
  RSA593595  Chorizanthe brevicornu var. brevicornu Steve Boyd, Orlando Mistretta 1996-5-23 8830 A Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA0076019  Chorizanthe coriacea R. G. Swinney 2010-4-1 12132 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  SBBG62228  Chorizanthe parryi var. parryi M. E. Jones 1926-5-31 Los Angeles mountains near Claremont Comment
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Jul 1 2012
  RSA424904B  Chorizanthe procumbens L. F. LaPre, T. Mulroy 1986-4-7 s.n. Los Angeles Near Junction of Foothill Blvd and Irwindale Ave. City of Irwindale. Collected in isolated floodplain between gravel pit and the San Gabriel Channel. 168 Comment
  CAS-BOT-BC244656  Chorizanthe staticoides James L. Reveal 1988-5-24 6870 Los Angeles In a sandy wash 0.2 mile east of the Los Angeles County Animal Center Number 6 in Castaic just south of Charlie Canyon 365 Comment
  LA201780  Chorizanthe staticoides Arthur C. Gibson; 2001-5-30 4851 Los Angeles Comment
  POM2198  Chorizanthe staticoides Shaw 1900-6-11 77 Los Angeles Claremont. Comment
  POM8504  Chorizanthe staticoides P. A. Munz, R. D. Harwood 1920-5-15 3924 Los Angeles Sepulveda Canyon. 244 Comment
  RSA0108828  Chorizanthe staticoides R. G. Swinney 2010-6-1 13140 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA11366  Chorizanthe staticoides C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  UCR277133  Chorizanthe staticoides R. G. Swinney 2010-5-25 12952 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Manzanita Trail 150 meters south of Nature Center 488 Comment
  SBBG62289  Chorizanthe xanti var. xanti R. Hoffmann 1927-6-13 Los Angeles Chandler's, Ridge Route (US Hwy 99) Comment
  RSA330801  Chrysothamnus nauseosus subsp. bernardinus Wayne E. Sawyer 1981-8-11 125 Los Angeles San Gabriel Mtns., Angeles National Forest: CA Hwy 2 between Dawson Saddle and junction of CA Hwy 39, 2.75 mi. from Dawson Saddle. 2241 Comment
  CAS-BOT-BC280034  Cirsium mohavense John Thomas Howell 1952-10-26 28880 Los Angeles Just north of Lancaster Comment
  POM194149  Cirsium occidentale var. californicum Lyman Benson 1945-6-5 11772 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  POM352176  Cirsium occidentale var. californicum M. B. Dunkle 1931-4-22 2469 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  POM6124  Cirsium occidentale var. californicum M. Hitchcock 1918-5-30 s.n. Los Angeles Indian Hill, Claremont Comment
  RSA738053  Cirsium occidentale var. occidentale Serena Light 1966-5-31 s.n. Los Angeles San Rafael Hills Comment
  UC1215143  Cirsium occidentale var. occidentale Peter H. Raven 1962-4-10 17186 Los Angeles small arroyo above Wilson Cove; San Clemente Island, Wilson Cove 60 Comment
  CDA19691  Cissus antarctica Adams 2001-10-9 PDR 067746 Los Angeles Southern California; Caltrans yard between 710 and 1st in the vicinity of East Los Angeles. 0 Comment
  RSA190999  Cistanthe monandra R. F. Thorne, James Henrickson 1963-5-5 32283 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA771556  Cistanthe monandra R. G. Swinney 2009-5-28 10948 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  CAS-BOT-BC438751  Cistanthe monandra Timothy S. Ross 1993-5-16 7152 Los Angeles San Gabriel Mountains. Upper Monroe Road; ridgetop hillock on the divide between Persinger, Horse, and Little Dalton canyons; ca 850-930 m NW of Horse Canyon Saddle. 1072 Comment
  RSA595994  Cistanthe monandra L. C. Wheeler 1967-5-8 9354 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  CAS-BOT-BC172441  Clarkia bottae Robert F. Thorne; A. C. Gibson 1971-5-22 39709 Los Angeles Mouth of Fish Canyon, San Gabriel Mts., Angeles National Forest 243 Comment
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  RSA584219  Clarkia bottae Tim S. Ross 1993-5-27 7328 Los Angeles W end of the San Gabriel Mts.: Wilson Canyon, along the riparian strip. 625 Comment
  SBBG60291  Clarkia bottae M. N. Ackley -May-1922 743 Los Angeles Honolulu Acres 365 Comment
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Jun 16 2015
  CAS-BOT-BC172248  Clarkia cylindrica subsp. cylindrica Peter H. Raven; H. L. Wedberg 1957-6-15 10917 Los Angeles Road 3 miles west of Seminole Hot Springs, Santa Monica Mts. Comment
  RSA311399  Clarkia cylindrica subsp. cylindrica Cheryl A. Lawson 1971-6-26 394 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  CAS-BOT-BC172106  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles About 1 1/2 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Ck., immediately west of USFS San Antonion Fire Station. 762 Comment
  RSA648665  Clarkia dudleyana Hasmig Babayan 1981-4-26 6 Los Angeles West fork trail of San Gabriel River off CA Hwy 39, Distance of 1 mile. Comment
  UC114014  Clarkia dudleyana R. D. Williams 1905-6-19 Los Angeles Burbank Canyon Claremont 609 Comment
  RSA512035  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1967-5-18 9645 Los Angeles Angeles National Forest; Placerita Canyon. 518 Comment
  RSA630739  Clarkia purpurea subsp. quadrivulnera LeRoy Gross, Valerie Soza 1999-5-11 151 Los Angeles San Gabriel Mountains: On west slope of unnamed peak, this peaks elevation 2397 feet, off of Sycamore Canyon Motorway, upper slope of Sycamore Canyon. Above city of San Dimas 683 Comment
  RSA303917  Clarkia rhomboidea Jim R. Shevock 1970-4-24 146 Los Angeles Base of San Gabriel Mountains. Sylmar. 389 Comment
  OBI12076  Clarkia unguiculata Bill Arbaugh 1966-5-28 s.n. Los Angeles Tajunga Cyn 305 Comment
  RSA448593  Clarkia unguiculata L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR88512  Clarkia unguiculata Scott D. White, Chet McGaugh 1995-5-9 3025 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCR217429  Claytonia parviflora R. G. Swinney 2009-2-26 10041 Los Angeles San Gabriel Mtns., Monrovia Canyon Wilderness Park from park entrance to Monrovia Canyon Falls 534 Comment
  UCR223083  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0096638  Claytonia parviflora subsp. parviflora Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 623 Los Angeles Santa Catalina Island, 0.7 road miles above Wrigley Memorial. Upper portion of Avalon Canyon watershed, along Memorial Road. 213 Comment
  UCR167315  Claytonia perfoliata Scott D. White, Brian Leatherman 2005-3-18 10798 Los Angeles South Coast, City of Glendora: 'South Hills' just N of the I-210 freeway. c. 0.3 air mi ENE of the I-210/Sunflower intersection 335 Comment
  UCR194595  Claytonia perfoliata R. G. Swinney, Dave Larson 1999-6-25 7400 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  RSA527772  Claytonia perfoliata Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4335 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA466694A  Claytonia perfoliata subsp. mexicana L. C. Wheeler 1933-4-15 1635 Los Angeles San Gabriel Mountains: Foothills; W Live Oak Canyon. 488 Comment
  UCD100816  Claytonia perfoliata subsp. perfoliata Daryl Koutnik 1978-3-27 165 Los Angeles Johnson's Pasture in Live Oak Canyon drainage at end of Mountain Ave, Claremont. 579 Comment
  UCR95286  Claytonia rubra subsp. rubra Steve Boyd, Orlando Mistretta 1996-5-1 8751 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  POM156326  Clematis lasiantha L. R. Abrams 1902-7-1 2610 Los Angeles Mt. Wilson. 1524 Comment
  RSA128230  Clematis lasiantha Peter H. Raven, Henry J. Thompson 1959-10-31 s.n. Los Angeles Mandeville Canyon 2.7 miles north of Sunset Boulevard. 259 Comment
  UCD95608  Clematis lasiantha A. D. Gifford 1934-4-4 67 Los Angeles 1/3 mile N.E. of Oat Mt. 944 Comment
  RSA599627  Cleome isomeris Steve Boyd, Lauren Raz 1997-4-16 9521 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
  RSA777374  Cnicus benedictus Orlando Mistretta, Christine Mistretta 2010-5-19 5140 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  UCR126865  Cnicus benedictus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26201 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA717213  Collinsia bartsiifolia var. davidsonii Scott D. White, Pam De Vries 2006-5-10 11432 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
  SEINET12268905  Collinsia bartsiifolia var. davidsonii J. F. Bright, Wyman, C. 1931-1 5289 Los Angeles in Antelope Valley Comment
  UCD123577  Collinsia heterophylla Gerald Dickinson 1962-4-24 25 Los Angeles 3 miles west Topanga Canyon Road on Mulholland Rd, Santa Monica Mts. 304 Comment
  RSA240671  Collinsia heterophylla Donald R. Bissing 1973-6-2 106 Los Angeles Evey Canyon, San Gabriel Mountains. 0.6 miles from mouth of canyon. 756 Comment
  SBBG17872  Collinsia heterophylla P. H. Raven 1962-4-12 17330 Los Angeles narrow cyn S of cyn below the Tomb 228 Comment
  UCR272858  Collinsia torreyi var. torreyi R. G. Swinney 2011-7-29 15554 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  RSA71948  Collomia grandiflora F. W. Peirson 1924-4-28 4634 Los Angeles Hoyt Ranch, Tujunga Creek, W end of San Gabriel Mts. 579 Comment
  RSA729841  Colutea arborescens R. G. Swinney 1999-6-18 7338 Los Angeles San Gabriel Mtns.: Boulder Canyon north of Big John Flat. 1573 Comment
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Aug 9 2009
  CAS-BOT-BC59714  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-1-18 1388 Los Angeles Santa Monica Mts. 3.1 mi. n. of highway 1 along Topanga Can. Blvd. Comment
  RSA188117  Comarostaphylis diversifolia subsp. planifolia R. F. Thorne, Percy C. Everett 1965-6-24 35032 Los Angeles Santa Catalina Island, W slope of Orizaba Mt. near upper end of Escondido Canyon, near spring and water pipe line to Rancho Escondido. 274 Comment
  LA32183  Conium maculatum Peter H. Raven; Henry J. Thompson 1959-6-4 14345 Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  SBBG31502  Constancea nevinii R. M. Beauchamp 1967-3-20 352 Los Angeles above beach rd between Avalon and Abalone Pt Comment
  UC896346  Constancea nevinii Carl B. Wolf 1932-10-6 Los Angeles opposite Catalina Yacht Club; Santa Catalina Island, Avalon 7 Comment
  RSA601064  Convolvulus arvensis Steve Boyd, Lauren Raz 1997-6-18 9993 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Portal Ridge, 5.1 road miles west of intersection with 90th St. West. 1054 Comment
  SEINET12277843  Convolvulus arvensis J. Bright, Wyman, C. 1931-1 5721 Los Angeles Hollywood Comment
  RSA0042771  Convolvulus occidentalis var. cyclostegius Lee Haines 1934-7-4 s.n. Los Angeles Little Dalton, San Gabriel Mountains. Comment
  POM355830  Conyza bonariensis F. R. Fosberg 1930-7-7 3154 Los Angeles Alamitos Bay. 2 Comment
  CAS-BOT-BC286119  Conyza canadensis LeRoy Abrams 1902-8-20 2967 Los Angeles Inglewood Comment
  RSA750096  Conyza floribunda LeRoy Gross, Pamela Conway 2009-11-15 4214 Los Angeles Cobal Canyon, southern foothills of the San Gabriel Mountains. North of Claremont. Near 549 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
  UCD142999  Coreopsis bigelovii Daryl Koutnik; Bruce Holguin 1978-4-1 222 Los Angeles Elizabeth Lake Road, northwest of Palmdale. 914 Comment
  CAS-BOT-BC287091  Coreopsis douglasii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena Comment
  UCD150950  Coreopsis gigantea D. S. Park 2010-4-26 35 Los Angeles Ranch Santa Ana Botanic Garden 360 Comment
  CATA1790  Corethrogyne filaginifolia Benjamin E. Carter, John R. Clark 2012-8-9 6974 Los Angeles Santa Catalina Island: Twin Peaks, a ridge of limestone forming southwestern rim of Bulrush Canyon 390 Comment
  JEPS41860  Corethrogyne filaginifolia Frank W. Peirson 1918-10-15 229 Los Angeles Summit Sister Elsie Peak; San Gabriel Mts. Comment
  RSA127866  Corethrogyne filaginifolia Peter H. Raven, H. J. Thompson 1958-10-11 13755 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  UCR261323  Corethrogyne filaginifolia R. G. Swinney 2010-3-13 11885 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  POM290420  Corethrogyne filaginifolia var. filaginifolia Lyman Benson 1933-11-12 5722 Los Angeles Westwood, Beverly Hills. 122 Comment
  RSA589099  Corethrogyne filaginifolia var. filaginifolia Orlando Mistretta 1994-9-13 1458 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  RSA653856  Corethrogyne filaginifolia var. filaginifolia Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 804 Los Angeles Verdugo Mountains, south side: Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road. 488 Comment
  RSA397681  Cornus californica Anstruther Davidson 1890-07 s.n. Los Angeles Cienega Comment
  CAS-BOT-BC287260  Cotula australis Peter H. Raven 1959-3-1 13819 Los Angeles Santa Monica Mts. Vermont Canyon, Griffith Park 243 Comment
  CAS-BOT-BC427740  Crassula connata Le Roy Abrams 1899-3-1 247 Los Angeles Ballona Harbor Comment
  CHSC95510  Crassula connata LeRoy Gross; Valerie Soza 2003-5-15 906 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone: 3789794N, 0376930E. 518 Comment
  OBI70867  Crassula tillaea Louis C. Wheeler 1948-4-26 6634 Los Angeles Altadena. Oak Grove Park, Devil's Gate Dam 305 Comment
  CATA2987  Crocanthemum scoparium Peter J. Dixon 2015-2-25 019 Los Angeles Santa Catalina Island: Wild Boar Gully, Triangle Population, 350m SW of Wild Boar Gully Rd. 230 Comment
  SBBG128317  Crocanthemum scoparium M. L. Hoefs 1991-4-23 1148 Los Angeles around upper White's Landing Rd 451 Comment
  RSA397729  Crossosoma californicum Albert J. Perkins 1919-4-20 s.n. Los Angeles Catalina Island, road to summit. Comment
  SD85171  Crossosoma californicum E. R. Blakley 1963-4-7 5518 Los Angeles Santa Catalina Island, Middle Ranch Canyon 230 Comment
  UC11996  Crossosoma californicum Blanche Trask 1896-1 Los Angeles Avalon Santa Catalina Island Comment
  UC1929500  Crossosoma californicum Mark Elvin with Michael Wall 1997-3-18 378 Los Angeles Channel Island; Santa Catalina Island: Cape Canyon Ridge. W side of canyon. With Rock outcrop 200' above valley floor. ~ 1/2 mile south of well house along Cape Canyon Road. Comment
  UC859051  Crossosoma californicum F. R. Fosberg 1931-4-8 S 4522 Los Angeles Santa Catalina Island 60 Comment
  SD253440  Croton californicus R. G. Swinney 2010-4-13 12189 Los Angeles San Gabriel Mountains: 0.35 mile north of Limekiln Canyon, bottom along ridgeline motorway, south of Pacoima Dam. 0.4 mile east of Pacoima Canyon. 609 Comment
  UCD141997  Croton californicus Kenneth A. Wilson 1961-3-12 1006 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  UCR228738  Croton californicus Jeremiah George 2011-6-20 s.n. Los Angeles South Coast, Palos Verdes Estates, just east of junction of Palos Verdes Dr. North and Pso del Campo 92 Comment
  RSA479361  Croton californicus var. californicus B. C. Templeton 1938-8-10 6637 Los Angeles Foredune [?} El Segundo to Playa del Rey Comment
  UCR259354  Crypsis schoenoides R. G. Swinney 2010-9-7 13687 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA549913  Cryptantha Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 124 Los Angeles San Clemente Island, approx. 2 km SSW of Wilson Cove on W side of island. 20 Comment
  RSA709627  Cryptantha barbigera LeRoy Gross 2005-4-28 2123 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  CAS-BOT-BC189515  Cryptantha circumscissa var. circumscissa 1920-6-10 s.n. Los Angeles San Gabriel Mountains. Summit, Mount WIlson Comment
  LA104052  Cryptantha circumscissa var. circumscissa Barry A. Prigge; 1986-4-20 7035 Los Angeles 5.7 mi W of Lake Hughes on Pine Canyon Road (N2) at Bushnell Summit 1249 Comment
  LA204177  Cryptantha circumscissa var. circumscissa Carl Epling; May 1925 sn Los Angeles Mint Canon Comment
  UC1212101  Cryptantha clevelandii Peter H. Raven 1960-5-15 15368 Los Angeles 5.1 mi nw Rambla Pacifica (Piuma Road); Santa Monica Mountains 213 Comment
  UCR138898  Cryptantha clevelandii var. florosa L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mtns, Aliso Canyon, c. 0.5 mi [southeast] of Blum Ranch 945 Comment
  SBBG63665  Cryptantha corollata R. Hoffmann 1929-4-27 Los Angeles Little Rock Dam Comment
  RSA679833  Cryptantha decipiens LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR51028  Cryptantha decipiens A. C. Sanders, E. J. Lawlor 1988-4-3 7735 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  IRVC26464  Cryptantha intermedia A. C. Sanders, Mark Elvin, et al. 2003-3-4 25697 Los Angeles Newhall Ranch, upper "Long Canyon," ca. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  SFV16010  Cryptantha intermedia P. W. Byrne, H. Levin 1994-4-10 10 Los Angeles San Gabriel Mountains Live Oak Campground, along Bear Canyon. 600 Comment
  RSA159352  Cryptantha intermedia P. H. Raven 1962-4-10 17196 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  SEINET8546012  Cryptantha intermedia var. intermedia G. B. Grant 1903-1 238 Los Angeles Pasadena. Comment
  POM49191  Cryptantha micrantha L. R. Abrams 1901-4-6 s.n. Los Angeles Big Tujunga Wash Comment
  RSA674781  Cryptantha microstachys Scott D. White, Kent Hughes 2000-5-16 7849 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  UCR154236  Cryptantha microstachys A. C. Sanders, T. B. Salvato 2005-5-24 30258 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
  LA211118  Cryptantha microstachys Arthur C. Gibson; 2009-6-11 5266 Los Angeles SANTA MONICA MOUNTAINS, Stunt Rd., Calabasas. Comment
  POM9045  Cryptantha microstachys P. A. Munz, R. D. Harwood 1920-5-15 3942 Los Angeles Sepulveda Canyon, Santa Monica Mountains 244 Comment
  RSA499698  Cryptantha muricata Christopher Davidson 1973-4-6 1861 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA574343  Cryptantha muricata R. G. Swinney 1994-5-12 2844 Los Angeles Glendora Mountain Rd., 2.5 mi. N of jct with Big Dalton Canyon Rd. 518 Comment
  SEINET4044556  Cryptantha muricata D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UC447159  Cryptantha muricata J. Ewan 1930-4-25 2357 Los Angeles near mouth of Stone Canyon; Santa Monica Mts., Stone Canyon Comment
  SD12595  Cryptantha muricata Edith A. Purer 1935-5-11 6589 Los Angeles Santa Monica Mountains Comment
  RSA0079123  Cryptantha muricata var. denticulata R. G. Swinney 1998-8-1 6630 Los Angeles San Gabriel Mtns.: Vincent Gulch, 1.2 mi. SE of Vincent Gap Trail Head, c. 2 mi. east of the summit of Mt. Baden-Powell. 1631 Comment
  RSA0079238  Cryptantha muricata var. denticulata T. S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3772 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  VVC3067  Cryptantha muricata var. jonesii Tim Thomas, P. J. MacKay 2015-5-10 6619 Los Angeles San Gabriel Mtns, Jackson Lake 1896 Comment
  UCR265959  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2005-4-21 2072 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UCR98823  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3772 Los Angeles San Gabriel Mtns., Natural depression SSW of Crystal Lake 1704 Comment
  RSA0079356  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-6-23 8038 Los Angeles Sawmill Mountain: 5514-ft summit and immediately adjacent slopes. 1665 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
  CHSC95713  Cryptantha oxygona LeRoy Gross; Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 938 Los Angeles Transverse Ranges; San Gabriel Mountains region: Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campground turnoff. UTM Zone; 380347N, 0405764E. 1792 Comment
  SBBG63850  Cryptantha oxygona R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SEINET3860020  Cryptantha pterocarya R. G. Swinney 2009-4-24 10489 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, ca 200 m below (north of) Littlerock Creek Dam.; 0 963 Comment
  RSA0079525  Cryptantha pterocarya var. pterocarya R. G. Swinney 2008-5-5 8769 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
  RSA774268  Cryptantha simulans R. G. Swinney 2009-6-8 11090 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  LA201638  Cupressus forbesii Arthur C. Gibson; 2004-1-6 4999 Los Angeles 259 Comment
  OBI74894  Cuscuta californica K. Dobry 1991-5-22 d 659 Los Angeles Soka Univ NE section. Santa Monica Mts. 1 mi E of Las Virgenes Rd off Mulholland hwy Comment
  UC63986  Cuscuta californica Geo. R. Hall Sep 1904 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  UC75424  Cuscuta californica Le Roy Abrams 1902-7-5 1560 Los Angeles Azusa Comment
  CAS-BOT-BC224487  Cuscuta californica John Thomas Howell 1931-6-6 6661 Los Angeles Big Tijunga [Tujunga] Wash Comment
  SD90524  Cuscuta californica var. californica Robert F. Thorne, J. Dourley 1967-10-10 37351 Los Angeles San Gabriel Mountains; Angeles National Forest; Blue Ridge. Comment
  UCD54443  Cuscuta indecora var. indecora Steve Orloff 1986-8-26 13 Los Angeles Lancaster, 70th St. West and Ave D. Comment
  UCR18114  Cuscuta pentagona O. F. Clarke 1973-6-5 s.n. Los Angeles San Gabriel Valley, Walnut, Valley Blvd and Lemon Avenue 159 Comment
  RSA760673  Cuscuta subinclusa R. G. Swinney 2008-8-13 9404 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA209614  Cycladenia humilis var. venusta Wandalee Thompson 1970-9-4 s.n. Los Angeles The Pine Mt. north of San Antonio Pk. 2560 Comment
  SBBG98653  Cynodon dactylon T. Ross 1991-5-20 5366 Los Angeles upper S branch of un-named drainage that empties to sea just N of Jack Pt lighthouse 167 Comment
  UCR214650  Cynodon dactylon A. C. Sanders, Dan S. Cooper 2010-4-30 38141 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA587184  Cyperus eragrostis Scott D. White 1995-12-5 3762 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  RSA0085110  Cyphomandra betacea Bonnie C. Templeton 1978-05 11664 Los Angeles Templeton Garden in Los Angeles. Comment
  RSA588044  Cystopteris fragilis Orlando Mistretta, Timothy S. Ross 1994-6-1 1301 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  RSA0015844  Datisca glomerata LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6206 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA596703  Datura wrightii Steve D. Boyd, Lauren Raz 1996-9-24 8929 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA725418  Datura wrightii K. Dobry 1991-5-13 513 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SBBG98668  Daucus pusillus T. Ross, O. Mistretta, M. Hammitt 1991-5-18 5188 Los Angeles Twin Dams, pond W of the two earthen dams 473 Comment
  UCR129932  Daucus pusillus Orlando Mistretta 1994-6-6 1322 Los Angeles San Gabriel Mtns, Little Rock Creek. Slopes on E side of canyon south of the junction of Forest Service Roads 4N15 and 5N04.3 1311 Comment
  UC1400360  Daucus pusillus Robert F. Thorne 1973-4-11 42862 Los Angeles middle portion Norton Canyon (San Clemente Isl.); San Clemente Isl. 274 Comment
  LA200235  Deinandra fasciculata J. Sauer; T. McKnight 4984 Los Angeles San Clemente Island, Wilson's Cove Comment
  SBBG17761  Deinandra fasciculata P. H. Raven 1962-5-9 17689 Los Angeles rd above Pyramid Cove 121 Comment
  UC303958  Deinandra fasciculata Geo. B. Grant 1901-9-1 1694 Los Angeles Pacific shore Comment
  UCSB28390  Deinandra fasciculata Tanowitz, Barry 1974-8-24 Los Angeles Via de la Paz; 1 block from Sunset Blvd., Pacific Palisades Comment
  UC1126091  Delphinium cardinale Jerome S. Horton 1935-7-18 216 Los Angeles above C.C.C. Camp; Pomona Quadrangle, Dalton Canyon Comment
  SD254691  Delphinium glaucum R. G. Swinney 2011-7-29 15561 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt Hawkins (Crystal Lake 7.5'Q) 2454 Comment
  LA52178  Delphinium parryi subsp. parryi A. M. Johnson; 1934-5-4 4468 Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon, Behind tunnel, right side of road. Comment
  RSA584586  Delphinium parryi subsp. parryi Tim S. Ross, S. D. Boyd 1993-5-23 7266 Los Angeles Steep, northerly draw draining from saddle between Red Mtn's long E Ridge and a small notched peak (3227-ft), to upper Clearwater Canyon, ca 430-500 m SSW of Plum Spring. 875 Comment
  SBBG128443  Delphinium parryi subsp. parryi M. L. Hoefs 1995-5-23 2135 Los Angeles upper Middle Cyn 225 Comment
  UCR213241  Delphinium patens Dan S. Cooper 2010-4-9 20100409- 29 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  RSA670422  Delphinium patens subsp. hepaticoideum I. W. Clokey, Bonnie C. Templeton 1929-04 4433 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  RSA0030026  Delphinium patens subsp. montanum Steve Boyd, Lauren Raz 1997-5-20 9798 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
  UC1598365 Image available Delphinium variegatum subsp. kinkiense R. M. Beauchamp 1967-3-18 290 Los Angeles In canyon north of Nanny; San Clemente Island, Calif. 243 Comment
  SBBG95193  Dendromecon harfordii M. B. Dunkle 1928-3-17 1758 Los Angeles Emerald Bay Comment
  RSA545271  Dendromecon rigida subsp. rhamnoides D. Propst, Hoefs 1973-3-3 19 Los Angeles Upper White's Landing Road, Santa Catalina Island. 381 Comment
  RSA65830  Descurainia obtusa subsp. adenophora F. R. Fosberg, J. Ewan 1931-8-10 4935 Los Angeles Crystal Lake, N fork San Gabriel River. San Gabriel Mountains. 1616 Comment
  RSA0091731  Descurainia pinnata R. G. Swinney 2011-5-12 14674 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0070280  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7003 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
  LA200319  Descurainia pinnata subsp. halictorum W. O. Griesel; 1936-4-19 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  POM175491  Descurainia pinnata subsp. halictorum F. W. Peirson 1922-7-6 5329 Los Angeles Big Pines Camp 2088 Comment
  RSA235158  Dicentra chrysantha David Wheat 1972-8-20 737 Los Angeles Palmer Canyon, San Gabriel Mountains. 610 Comment
  SD211607  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, between Bear Creek and Rincon Red Box Road. (Azusa) 548 Comment
  UCR270002  Dicentra chrysantha R. G. Swinney 2010-9-9 13781 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
  UC1211090  Dichelostemma capitatum Huron H. Smith 1912-5-3 4910 Los Angeles Azusa 243 Comment
  UC57505  Dichelostemma capitatum J. H. Barber 1897-3-21 81 Los Angeles near Soldier's Home Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  RSA670444  Dichelostemma capitatum subsp. capitatum I. W. Clokey, B. C. Templeton 1929-04 4440 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  RSA713816  Dichelostemma capitatum subsp. capitatum A. C. Sanders, Helen Kennedy 2005-4-13 29454 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA376826  Dichelostemma capitatum subsp. capitatum M. B. Dunkle 1948-11-29 7365 Los Angeles Mirquito Ridge Comment
  RSA0019261  Dimorphotheca ecklonis Scott D. White 1995-12-5 3772 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  CHSC3685  Diplacus longiflorus Mary MacArthur 1966-5-12 23 Los Angeles San Rafael Hills, Glendale College. 213 Comment
  RSA783370  Diplacus longiflorus J. D. Olmsted 1959-4-3 338 Los Angeles At beginning of Johnson's Pasture fire road, North of Oxford from Baseline 549 Comment
  CAS-BOT-BC43552  Diplotaxis muralis Crawford; Hall 1916-3-29 987 Los Angeles Santa Monica Mountains. Topanga Canyon. Comment
  SD73406  Diplotaxis tenuifolia Austin Griffiths Jr., Elizabeth McClintock 1969-6-23 5517 Los Angeles Entrance roadway La Herran Nursery, Malibu. Comment
  SBBG72433  Dithyrea californica J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  CAS-BOT-BC412627  Dodecahema leptoceras Alice Eastwood 1906-5-27 258 Los Angeles Country adjacent to Los Angeles. Roscoe Comment
  POM3629  Dodecatheon clevelandii subsp. clevelandii George B. Grant 1904-03 s.n. Los Angeles Pasadena. Comment
  RSA279105  Dodecatheon clevelandii subsp. clevelandii Robert F. Thorne 1971-3-25 41507 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  UC1123251  Dodecatheon clevelandii subsp. clevelandii A. D. Gifford 1935-3-17 489 Los Angeles 2 1/2 mi sw Red Mountain; Angeles National Forest, Tejon Quad. Comment
  RSA3522  Dodecatheon clevelandii subsp. insulare Carl B. Wolf 1932-5-9 s.n. Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island. 30 Comment
  CAS-BOT-BC129965  Dodecatheon redolens I. M. Johnston 1917-8-22 1648 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 2133 Comment
  RSA462210  Dodecatheon redolens F. R. Fosberg 1931-8-12 S 5665 Los Angeles San Gabriel Mountains: Little Jimmy Spring, Windy Camp, N. slope Mt. Islip. 2300 Comment
  RSA0081623  Drymocallis glandulosa R. G. Swinney 2010-9-9 13743 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA585405  Drymocallis glandulosa var. reflexa Tim S. Ross, Steve D. Boyd 1990-5-29 2712 Los Angeles Big Rock Springs: immediate vicinity of Big Rock Creek where crossed by Big Pines Highway (Valyermo Rd.). 1183 Comment
  LA2187  Dryopteris arguta W. Scott Lewis; 1085 Los Angeles SANTA MONICA MOUNTAINS, Mt Hollywood Comment
  POM22228  Dryopteris arguta D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Topango Canyon, Santa Monica Mountains Comment
  RSA0013632  Dryopteris arguta Orlando Mistretta, Jamie Reese 2011-7-28 6008 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  RSA638853  Dryopteris arguta Valerie L. Soza, Laura Moore 1999-6-30 573 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above Hoegee Campground. 853 Comment
  SEINET9625426 Image available Dryopteris arguta L. Shields 1936-3-23 s.n. Los Angeles Puddinstone. Comment
  SFV15996  Dryopteris arguta K. A. Wilson, R. J. Gustafson 1994-5-13 2413 Los Angeles Santa Monica Mountains Upper Franklin Canyon Reservoir. Comment
  SFV1555  Dudleya abramsii K. A. Wilson 1962-5-12 1281 Los Angeles San Gabriel Mountains Canyon with public campgrounds leading to Devil's Punch Bowl Trail. North slope of San Gabriel Mountains. 1400 Comment
  RSA423480  Dudleya caespitosa Howard Mullins 1931-5-9 s.n. Los Angeles El Segundo Comment
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Dec 4 2018
  RSA727250  Dudleya cymosa R. G. Swinney 1998-6-12 6190 Los Angeles San Gabriel Mtns.: SW of Pinon Hills, 0.2 mi. due east of reservoir of mouth of Mescal Canyon. 1448 Comment
  RSA630355  Dudleya cymosa R. E. Riefner 1999-7-7 99 -326 Los Angeles Corben Rd. S of Kanan Rd. Comment
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May 24 2011
  LA105029  Dudleya cymosa subsp. marcescens Peter H. Raven; David Verity 1960-5-7 15343 Los Angeles Santa Monica Mountains, ca 1 mi. SW of Seminole Hot Springs 335 Comment
  RSA733555  Dudleya lanceolata R. G. Swinney 1998-8-21 6779 Los Angeles Cow Canyon, c. 0.5 air mi. due west of Cow Canyon Saddle. 1073 Comment
  SBBG70386  Dudleya lanceolata R. Hoffmann 1931-5-3 Los Angeles Bouquet Cyn Comment
  UCR280804  Dudleya lanceolata Mitch Provance 2017-5-5 517- 50 Los Angeles San Gabriel Mountains, Barrett Canyon, N side of Barrett Canyon Rd., just before the village 1174 Comment
  UC1174782  Dudleya lanceolata P. C. Everett and E. K. Balls 1960-5-30 24134 Los Angeles 2.2 mi from entrance San Gabriel Canyon; Angeles National Forest 365 Comment
  UC557628  Dudleya virens Nell Murbarger 1936-3 95 Los Angeles e side San Clemente Island (ocean cliffs) Comment
  CAS-BOT-BC109726  Dudleya virens subsp. insularis K. Nakai 1978-1-22 209 Los Angeles Point Vicente, Palos Verdes Hill. 6 Comment
  LA8528  Echinochloa colona Don P. Mullally; 1950-7-21 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA594581  Echinochloa crus-galli L. C. Wheeler 1966-9-21 8898 Los Angeles San Gabriel Mountains, north fork San Gabriel Canyon, 1/4 mile downhill from intersection of main road to upper Bichota Canyon. 854 Comment
  UCR223490  Echinodorus berteroi R. G. Swinney 2009-7-1 11295 Los Angeles Transverse Range; San Gabriel Mtns., Puddingstone Diversion Dam, San Dimas Canyon 354 Comment
  RSA311435  Echinodorus berteroi Conrad Schlum 1976-7-6 s.n. Los Angeles Puddingstone Lake, Bonnelli Park, San Dimas. Comment
  UCR210530  Eclipta prostrata R. G. Swinney 2008-12-4 9946 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  SBBG45039  Eclipta prostrata L. C. Wheeler 1933-9-25 2122 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  HSC12521  Ehrendorferia chrysantha Wendell Wood 1970-6-24 48 Los Angeles Switzer's Camp, Angeles Crest Hwy., 9 mi. beyond intersection with Foothill Blvd. 915 Comment
  UCSB3675  Ehrendorferia chrysantha Kamb, Peter 1947-6-30 Los Angeles Upper Sonoran Zone, San Gabriel Canyon road below Crystal Lake, San Gabriel Mts. 1371 Comment
  UCR95713  Ehrharta erecta D. L. Banks 1996-1-31 861 Los Angeles Claremont, Oakwood Apartments at 580 S. Bucknell Avenue, NW side of building in landscape plantings Comment
  SD193035  Ehrharta longiflora Scott D. White, Justin Wood 2008-5-8 11943 Los Angeles Puente/Chino Hills; SCE powerline corridor near Skyline Dr., and east of Hacienda Blvd; Hacienda Heights. 305 Comment
  SD28053  Eleocharis macrostachya Carl B. Wolf 1932-5-12 3597 Los Angeles Santa Catalina Island; between Little Harbor and Cottonwood Creek; edge of rapidly drying pond. 46 Comment
  RSA365426  Eleocharis palustris Robert Gustafson 1981-5-15 2219 Los Angeles Ballona Wetlands, Area 2 Comment
  CAS-BOT-BC208521  Elymus W. R. Dudley 1900-7-9 s.n. Los Angeles Between Mt. Markham and San Gabriel Peak. Comment
  UCR223568  Elymus elymoides R. G. Swinney 2009-6-3 11028 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
  RSA0127704  Elymus elymoides Louis C. Wheeler 1967-7-15 10073 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. Comment
  SBBG117007  Elymus glaucus S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1547 Los Angeles S side of Fern Cyn (one of the middle S forks of Cottonwood Cyn), above first crk crossing in rd up Fern Cyn, ca. 0.5 mi upstream from jct with Cottonwood Cyn Rd 182 Comment
  SEINET7303706 Image available Elymus glaucus Robert F. Throne, M. Z. Thorne 1967-1 37141 Los Angeles San Gabriel Mts.; Angeles National Forest, Crystal Lake Recreation Area 1554 Comment
  RSA0113893  Elymus glaucus Steven A. Junak 1999-5-21 SCa- 990 Los Angeles Santa Catalina Island. Coffee Pot Canyon, upstream from road crossing. 427 Comment
  CAS-BOT-BC206737  Elymus glaucus subsp. glaucus Timothy S. Ross; J. Mark Porter 1995-5-4 8485 Los Angeles Ca 3.6 road miles NE of Bouquet Canyon Road, TExas Canyon - Liebre Mountains 682 Comment
  RSA618594  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA778924  Elymus glaucus subsp. glaucus Orlando Mistretta, Christine Mistretta 2010-6-2 5240 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  SEINET4674725  Elymus hispidus Steve Boyd, Mike Wall 1996-5-16 8793 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road.; 0 622 Comment
  POM359945  Elymus multisetus T. W. Minthorn 1925-5-30 s.n. Los Angeles Palmdale ? Comment
  SEINET6654717  Elymus triticoides R. G. Swinney 2005-7-8 8277 Los Angeles San Gabriel Mountains, Juniper Hills, O.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road.; 0 1216 Comment
  UCR190525  Elymus triticoides R. G. Swinney 1990-3-24 1553 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  SFV13263  Emmenanthe penduliflora M. J. Thor 1983-4-16 169 Los Angeles Mojave Desert Palmdale, north of Little Rock, Mount Emma Road. West facing slope by roadside. 945 Comment
  OBI35613  Encelia californica Rebecca Cicoria 1981-4-23 18 Los Angeles 1/2 mi SW of rolling Hills Fire Station Comment
  NY70076  Ephedra californica A. D. E. Elmer 06 1902 3599 Los Angeles Acton Comment
  OBI2903  Ephedra nevadensis Lewis S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 823 Comment
  UCR280076  Ephedra nevadensis Onkar Singh 2016-4-2 5693 Los Angeles Mojave Desert, Antelope Valley, 11 km NW of Lancaster, 200 m south of West Avenue F and 400 m west of 60th Street West 708 Comment
  LA200707  Epilobium canum subsp. canum Martha Hilend Kinsey; 1935-11-16 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA213412  Epilobium canum subsp. canum M. B. Dunkle 1939-11-24 7340 Los Angeles San Clemente Island. Canyon head, Mosquito Summit. Comment
  RSA588438  Epilobium canum subsp. canum Bonnie C. Templeton 1929-11-24 1452 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  RSA588449  Epilobium canum subsp. canum M. B. Dunkle 1939-4-4 7241 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UCD105424  Epilobium canum subsp. canum Jon A. Nickoloff 1973-5-21 504 Los Angeles Ca. 3 miles SE on Devil's Canyon Trail, San Gabriel Mountains. 1066 Comment
  UCR128016  Epilobium canum subsp. canum Mark A. Elvin 2003-8-13 2981 Los Angeles NE end of the Santa Susana Mtns., Newhall Ranch, Potrero Canyon south of Potrero Creek 360 Comment
  UCR190014  Epilobium ciliatum R. G. Swinney 1998-7-30 6594 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR273220  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-10-18 15818 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
  UCR209603  Epilobium glaberrimum R. G. Swinney 2008-7-2 9139 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
  UCR192898  Epipactis gigantea R. G. Swinney 1998-8-6 6702 Los Angeles San Gabriel Mtns., Alder Gulch, a western tributary of upper East Fork San Gabriel River 1311 Comment
  UCR206137  Epipactis gigantea R. G. Swinney 2008-5-30 8908 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA162802  Epipactis gigantea J. D. Olmsted 1959-9-30 1064 Los Angeles 1.25 mi. west of Mt. Baldy Trail on side trail to edge of Cattle-Cow Canyon drainage Comment
  RSA381696  Epipactis gigantea George Henry Grinnell s.n. Los Angeles Los Angeles. Comment
  UCR189859  Equisetum arvense R. G. Swinney 1998-7-10 6411 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  LA94019  Equisetum laevigatum Lawrence L. Kiefer; 1966-3-20 1753 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, ca 1 mi from mouth of canyon. 91 Comment
  UCR129904  Equisetum laevigatum L. C. Wheeler 1932-8-2 1109 Los Angeles San Gabriel Mtns., North Fork San Gabriel River 1433 Comment
  POM9734  Equisetum telmateia var. braunii F. W. Peirson 1920-4-25 s.n. Los Angeles Arroyo Seco, Pasadena 411 Comment
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Sep 26 2014
  LA38810  Eragrostis barrelieri Peter H. Raven; Henry J. Thompson 1959-10-4 14581 Los Angeles SANTA MONICA MOUNTAINS, Point Mugu, just N of Point Mugu, edges of field by Revolon Slough. 9 Comment
  RSA421755  Eremocarpus setiger F. R. Fosberg 1931-5-21 S- 4949 Los Angeles Santa Catalina Island, Parson's Landing. 5 Comment
  CAS-BOT-BC514258  Eriastrum densifolium subsp. austromontanum F. Grinnell Jr. 1917-7-29 s.n. Los Angeles San Gabriel Mts.: Mt. Wilson 1794 Comment
  UCR141732  Eriastrum densifolium subsp. densifolium L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mtns, East Fork of Alder Creek off Big Tujunga 1494 Comment
  RSA0107959  Eriastrum densifolium subsp. elongatum Scott D. White 1997-5-14 5129 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  SD107159  Eriastrum densifolium subsp. elongatum B. Ertter, J. Strachan 1979-6-29 3009 Los Angeles North edge of Angeles National Forest ca. 9.0 airmiles eastsoutheast of Pearblossom, 1.7 miles north of Mile High on County Highway N4. 1463 Comment
  OBI34040  Eriastrum densifolium subsp. elongatum Mark Schneider s.n. Los Angeles Tujunga Wash 457 Comment
  SBBG117019  Eriastrum filifolium S. A. Junak with M. L. Hoefs 2001-5-5 SCa 1514 Los Angeles ridgetop on N side of Middle Ranch Cyn 426 Comment
  CAS-BOT-BC514995  Eriastrum sapphirinum subsp. dasyanthum Verne Grant 1951-5-24 16001 Los Angeles North of Claremont 518 Comment
  RSA0123073  Eriastrum sapphirinum subsp. dasyanthum Fordyce Grinnell Jr. 1910-06 1931 Los Angeles Long Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC131692  Ericameria cooperi var. cooperi Steve Boyd; Lauren Raz 1997-3-26 9365 Los Angeles Liebre Mountains Region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir; west side of mouth of Myrick Canyon 999 Comment
  SD68972  Ericameria cooperi var. cooperi James Henrickson 1966-4-16 2236 Los Angeles Soledad Canyon; in Escondito Canyon Road 1 mile northwest of Highway 14. 885 Comment
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Jul 9 2014
  UC1118695  Ericameria cooperi var. cooperi H. A. Jensen 1933-5-18 301 Los Angeles opposite mouth of Aliso Canyon Tujunga Quadrangle Comment
  UC68939  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6258 Los Angeles Elizabeth Lake Comment
  LA30864  Ericameria ericoides Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 167 Los Angeles Santa Monica Mountains, Point Dume Comment
  SBBG62813  Ericameria ericoides S. W. Hutchinson, M. N. Ackley 1929-10-22 1172 Los Angeles Manhattan Beach 9 Comment
  JEPS32960  Ericameria linearifolia E. R. Blakley 1958-5-9 2277 Los Angeles 2 mi e Gorman 1097 Comment
  LA202487  Ericameria linearifolia W. R. Ernst; May 1948 sn Los Angeles San Gabriel Mountains, Big Rock Creek Comment
  RSA479510  Ericameria linearifolia Steve Boyd, Thomas Elias 1987-4-14 2049 Los Angeles S of Rincon Forest Station. Comment
  UC1870181  Ericameria linearifolia LeRoy Gross, Ted Anderson 2004-5-3 1216 Los Angeles Transverse Ranges; San Gabriel Mountains region; Road started west of Mt. Lukens, down (Southeast) to a little west of Earl Canyon Road. (Angeles National Forest Road surveys. Roads, 2N76.1 & 2N76.2) 1380 Comment
  CAS-BOT-BC298899  Ericameria nauseosa var. bernardina Joseph Andorfer Ewan 1934-8-3 8367 Los Angeles Swartout Valley, near county line 1981 Comment
  CAS-BOT-BC299017  Ericameria nauseosa var. hololeuca F. R. Fosberg 1931-7-11 7057 Los Angeles Near Reservoir Summit, Ridge Route, Western Sierra Madre Mts 1200 Comment
  CAS-BOT-BC299513  Ericameria palmeri var. pachylepis J. Ewan 1931-10-24 5288 Los Angeles La Sierra Canyon Divide, Santa Monica Mts. 518 Comment
  CAS-BOT-BC131660  Ericameria parishii var. parishii Peter H. Raven; Henry J. Thompson 1959-10-31 14722 Los Angeles Mandeville Canyon, 5.8 miles north of Sunset Boulevard 365 Comment
  RSA481991  Ericameria parishii var. parishii Richard Noyes 1988-9-18 741 Los Angeles Behind San Antonio Dam 701 Comment
  RSA90889  Ericameria parishii var. parishii Raymond J. Dobbs 1924-8-25 5401 Los Angeles Slope above Switzers Camp, north of Pasadena, San Gabriel Mts. 1067 Comment
  CAS-BOT-BC293135  Ericameria pinifolia Ralph Hoffmann 1931-10-1 s.n. Los Angeles Near Oaks Garage, Mint Canyon Comment
  POM4717  Ericameria pinifolia C. F. Baker 1908-12-15 5235 Los Angeles Claremont. Comment
  SBBG54492  Ericameria pinifolia L. R. Abrams 1916-10-30 6377 Los Angeles near Azusa Comment
  UC55178  Ericameria pinifolia H. M. Hall 1903-4-1 3758 Los Angeles above Los Angeles; Verdugo Wash Comment
  CAS-BOT-BC293353  Ericameria teretifolia Elmer I. Applegate 1931-11-2 6831 Los Angeles Mint Canyon. Highway to Mojave Comment
  RSA0113801  Ericameria teretifolia LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7547 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  RSA719734  Erigeron breweri var. covillei R. G. Swinney 1996-8-7 5216 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half of Brown's Flat 1317 Comment
  UCR194021  Erigeron foliosus R. G. Swinney 1998-9-7 6928 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain 2659 Comment
  UCR209270  Erigeron foliosus R. G. Swinney 2008-9-12 9445 Los Angeles San Gabriel Mtns., Kratka Ridge, 0.3 mi. east of Cedar Springs, just south of Conservation Camp 37 2088 Comment
  CDA4921  Erigeron foliosus var. foliosus W. Hill 1957-5-2 Los Angeles Mt. San Antonio College, Walnut. 0 Comment
  POM122735  Eriodictyon crassifolium var. nigrescens Marcus E. Jones 1924-4-28 s.n. Los Angeles Ridge north of Saugus. Comment
  SD72756  Eriodictyon traskiae F. R. Fosberg 1931-4-23 S 4697 Los Angeles Headwaters of Swains Canyon, northeast slopes of Black Jack Mountain; Santa Catalina Island. 349 Comment
  CATA3111  Eriodictyon traskiae subsp. traskiae Amy Catalano 2016-5-20 114 Los Angeles Santa Catalina Island: Northwest end of bank below Lower Cape Canyon Reservoir 201 Comment
  POM3809  Eriodictyon trichocalyx P. A. Munz 1918-5-16 2250 Los Angeles Claremont. Comment
  CAS-BOT-BC241571  Eriogonum baileyi var. baileyi Dr. Davidson 1897-1-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  POM49218  Eriogonum baileyi var. baileyi A. D. E. Elmer 1902-06 3690 Los Angeles Acton. Comment
  CAS-BOT-BC244059  Eriogonum brachyanthum A. D. E. Elmer 1902-6-1 3688 Los Angeles Acton Comment
  IRVC28800  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2003-8-7 27171 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  LA52297  Eriogonum cinereum W. O. Griesel; 1936-5-16 52297 Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  POM182397  Eriogonum cinereum Joseph A. Ewan 1931-10-24 5293 Los Angeles Escondido Canyon 305 Comment
  SD31214  Eriogonum cinereum Edith A. Purer 1932-8-31 4867 Los Angeles Palos Verdes Hills Comment
  UCR217692  Eriogonum cinereum A. C. Sanders, Dan S. Cooper 2010-8-5 38559 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA233507  Eriogonum cithariforme var. agninum Robert F. Thorne, C. W. Tilforth 1972-6-29 42110 Los Angeles San Gabriel Mountains, Angeles National Forest: c. 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  RSA725109  Eriogonum cithariforme var. agninum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -51 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC242772  Eriogonum davidsonii I. M. Johnston 1918-9-1 2134 Los Angeles San Antonio Mountains, Brown's Flats 1310 Comment
  POM2280  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Canyon 1829 Comment
  RSA679871  Eriogonum davidsonii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 860 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  UCR194290  Eriogonum davidsonii R. G. Swinney 1998-8-31 6877 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  SDSU6552  Eriogonum fasciculatum H. Wedberg 1966-4-3 1209 Los Angeles Above Hill Dr. and Neal, i nEagle Rock. 457 Comment
  CAS-BOT-BC253213  Eriogonum fasciculatum var. fasciculatum Alice Eastwood 1919-7-4 9288 Los Angeles Santa Monica Canyon Comment
  RSA393413  Eriogonum fasciculatum var. foliolosum Edwin Kline 1928-6-22 s.n. Los Angeles San Gabriel Mountains: foothills of Mt. Wilson. Comment
  UCR271078  Eriogonum fasciculatum var. polifolium R. G. Swinney 2011-6-14 15129 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  RSA0124089  Eriogonum fasciculatum var. polifolium Louis C. Wheeler 1967-7-20 10120 Los Angeles Aliso Canyon. 1067 Comment
  UC375427  Eriogonum giganteum R. L. Pendleton, F. M. Reed 1909-7-3 1383 Los Angeles crest of Santa Catalina Island Santa Catalina Island 457 Comment
  CAS-BOT-BC253440  Eriogonum gracile W. R. Dudley 1907-11-22 s.n. Los Angeles Near sanatarium, Monrovia Comment
  RSA766307  Eriogonum gracile Raymond J. Dobbs 1927-11-11 s.n. Los Angeles Lower Arroyo near Teddy's 305 Comment
  RSA729511  Eriogonum nudum R. G. Swinney 1999-7-5 7539 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  RSA748580  Eriogonum nudum Scott D. White, Justin M. Wood 2009-5-6 12638 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  RSA588694  Eriogonum nudum var. pauciflorum Orlando Mistretta 1995-7-12 1907 Los Angeles San Gabriel Mountains. Little Rock Creek, Vincinity of Basin Campground. 1082 Comment
  CAS-BOT-BC269773  Eriogonum nudum var. pauciflorum James L. Reveal; Barbara J. Ertter 1976-6-28 4557 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.1 mile northwest of Mill Creek Summit 1615 Comment
  UCR259614  Eriogonum parishii R. G. Swinney 2010-9-7 13708 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  SD98903  Eriogonum roseum Darley F. Howe 1976-8-3 4916 Los Angeles Mulholland Highway at Kanan Road 548 Comment
  RSA0096803  Eriogonum saxatile R. G. Swinney 2011-9-27 15700 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
  UC205962  Eriogonum saxatile I. M. Johnston 1917-7-28 1572 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains, N. Fk. San Antonio Canyon 2286 Comment
  UC535053  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  UC6447  Eriogonum saxatile J. H. Barber 1897-7-11 254 Los Angeles Mt. Gleason summit Mt. Gleason Comment
  UCR209949  Eriogonum saxatile R. G. Swinney 2008-7-15 9224 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA776326  Eriogonum trichopes R. G. Swinney 2009-4-29 10604 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  POM158214  Eriogonum umbellatum var. subaridum P. A. Munz, I. M. Johnston 1928-9-5 11187 Los Angeles in pines west of Swartout Valley, San Gabriel Mountains 1982 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
  CAS-BOT-BC265006  Eriogonum wrightii var. subscaposum Victor Duran 1933-7-28 3540 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  LA207084  Eriogonum wrightii var. subscaposum Victor Duran; 1933-7-28 3540 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  RSA420583  Eriogonum wrightii var. subscaposum H. de Forest 1932-10-16 16769 Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  CAS-BOT-BC297932  Eriophyllum confertiflorum C. B. Wolf 1931-6-25 2235 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd (Mandeville Canyon) 60 Comment
  RSA40260  Eriophyllum confertiflorum L. S. Rose 1946-7-21 46234 Los Angeles S slope of Cahuenga Peak. 305 Comment
  UCR258782  Eriophyllum confertiflorum R. G. Swinney 2010-5-25 12971 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UC468942  Eriophyllum confertiflorum var. confertiflorum C. F. Millspaugh 1920-3-9 4759 Los Angeles Pebble Beach Road Santa Catalina Island Comment
  CAS-BOT-BC308358  Eriophyllum nevinii B. D. Stark 1931-9-8 2451 Los Angeles Catalina Island Comment
  RSA535729  Eriophyllum nevinii Timothy S. Ross 1991-5-23 5477 Los Angeles San Clemente Island: mouth of Tota Canyon, middle of island, eastern escarpment. 5 Comment
  SJSU2509  Eriophyllum pringlei H. L. Buckalew 1962-4-18 Los Angeles Mohave Desert between Vincent & Little Rock Comment
  UCR275020  Eriophyllum pringlei Michael Honer, Rachel Woodard 2006-4-17 2191 Los Angeles Tehachapi Mountains area, Oso Canyon; c. 1 mile north of Quail Lake; 1 mile west of cement plant road 1067 Comment
  RSA660081  Eriophyllum wallacei Orlando Mistretta 1992-5-25 412 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR108377  Erodium botrys L. C. Wheeler 1970-6-9 s.n. Los Angeles Coastal Plain, San Pedro, Harbor Blvd, at 4th Street 3 Comment
  POM302493  Erodium botrys J. C. Roos 1943-3-27 2622 Los Angeles Vacant lot, Westwood Village, Los Angeles. Comment
  RSA391812  Erodium cicutarium E. A. McGregor 1964-4-28 s.n. Los Angeles Soledad. Comment
  RSA631380  Erodium cicutarium Valerie L. Soza, LeRoy Gross 1999-5-10 454 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  SEINET269165  Erodium moschatum Scott D. White 1995-3-15 2560 Los Angeles Upslope from Winter Canyon near Pepperdine Univ.; north of Pacific Coast Highway east of Malibu Canyon road south wes 91 Comment
  SD75543  Erodium moschatum M. B. Dunkle 1939-4-6 7306 Los Angeles San Clemente Island, Mosquito Harbor, ridge Comment
  UCSB2340  Erysimum capitatum var. capitatum Ballard 1954-3-14 Los Angeles San Dimas Park 350 Comment
  RSA530242  Erysimum suffrutescens G. J. Hollenberg 287 Los Angeles Near El Segundo Comment
  SEINET8257602  Erythranthe floribunda LeRoy Abrams 1902-7-1 2611 Los Angeles Little Santa Anita canyon. Comment
  UC85501  Eschscholzia caespitosa C. F. Baker 1904-4-22 4180 Los Angeles Monrovia Comment
  UCR277520  Eschscholzia californica Mitch Provance, Stephen Reynolds 2011-5-5 17207 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  SBBG16846  Eschscholzia californica K. A. Wilson 1961-3-11 980 Los Angeles Newhall, corner of Fernando Rd and 13th Street Comment
  SD113754  Eschscholzia californica Darley F. Howe Apr 1915 57 Los Angeles Claremont Comment
  RSA586538  Eschscholzia minutiflora Tim S. Ross 1991-4-28 4776 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  UCR222840  Eschscholzia minutiflora R. G. Swinney 2009-5-12 10757 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  RSA445474  Eschscholzia ramosa M. B. Dunkle 1939-4-6 7301 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA0088410  Eucalyptus polyanthemos R. G. Swinney 2010-2-27 11762 Los Angeles Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash. 331 Comment
  CHSC95746  Eucalyptus robusta LeRoy Gross 2003-2-22 740 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. At end of road. 287 Comment
  UCSB26239  Eucrypta micrantha Black, Nan 1968-4-6 Los Angeles 100 feet south of Santiago Canyon Road, 0.6 miles north of junction of Old Sierra Highway and Santiago Road, 4 miles northeast of Acton 914 Comment
Read comments
Jun 30 2013
  LA46919  Eulobus californicus C. S. Venkatesh; 1957-4-29 2 Los Angeles 365 Comment
  SFV2531  Eulobus californicus M. L. Vincent 1962-4-6 162 Los Angeles Santa Monica Mountain Old Topanga Canyon Road, 3 miles south of Ventura Blvd. Hillside. 400 Comment
  SEINET3995123  Eulobus californicus G. B. Grant 430 Los Angeles Pasadena Comment
  UCR148842  Euphorbia dendroides Hartman 2002-5-21 PDR 1253860 Los Angeles Transverse Range; San Gabriel Mtns., Angeles National Forest, Big Santa Anita Canyon Comment
  UCR213925  Euphorbia maculata Justin M. Wood 2009-7-25 1159 Los Angeles San Gabriel Valley, city of Claremont, private residence on Ramona Ave, just southeast of intersection of Arrow Highway and Mills Ave. 351 Comment
  UCD142568  Euphorbia melanadenia Fay A. MacFadden 1931-3-4 s.n. Los Angeles Tuna Canyon. Comment
  SBBG33610  Euphorbia peplus S. A. Junak with K. Kirkland, M. L. Hoefs 1998-6-11 SCa 706 Los Angeles mouth of small cyn just SE of Frog Rock 3 Comment
  UCR210413  Euphorbia peplus R. G. Swinney 2008-12-4 9952 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1.8 mi. north of Sierra Madre Ave., north of bike trail parking lot, along flowing aqueduct of water filtration plant 223 Comment
  UCR91387  Euphorbia peplus Scott D. White 1995-3-15 2573 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA0042679  Euphorbia peplus Laura Moore, Jean Moore 1999-4-25 032 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA226202  Euphorbia peplus Gary D. Cromwell 1971-5-14 652 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mtns. 2 mi. NE of Glendora. Comment
  UCR109021  Euphorbia prostrata L. C. Wheeler 1951-8-19 6833 Los Angeles City of Pasadena, 1870 E. Walnut Street. 238 Comment
  IRVC27006  Euphorbia serpyllifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  LA201901  Euphorbia terracina Arthur C. Gibson; May 2003 3269 Los Angeles Santa Monica Mountains, Malibu, Pacific Coast Hwy at Serra Way Comment
  SBBG80289  Extriplex californica F. C. Boutin 1967-4-24 1720 Los Angeles Wilson Cove Comment
  UCR223003  Festuca dertonensis R. G. Swinney 2009-6-2 11027 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
  IRVC29546  Festuca microstachys A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26157 Los Angeles Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. Western San Gabriel Mtns. 488 Comment
  LA105325  Festuca myuros Barry A. Prigge; 1989-4-23 8442 Los Angeles Santa Susana Mountains, ridge between Falls Creek and Blind Canyon, 1.5 mi. NW of junction of Simi Valley Freeway and Topanga Canyon Blvd 579 Comment
  LA99236  Festuca perennis R. L. Armacost; 1967-7-2 2289 Los Angeles Santa Monica Mountains, Santa Monica: SW corner of Alta and 26th Street Comment
  UCR190615  Ficus carica R. G. Swinney 2000-5-10 7679 Los Angeles San Gabriel Mtns./San Gabriel Valley, San Gabriel River bottom, c. 300 m north of Foothill Ave. in Azusa, east side of river 183 Comment
  UCR255502  Ficus carica Dan S. Cooper 2014-6-26 614- 70 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  RSA625855  Filago californica Scott D. White, Pam De Vries 1998-4-19 6278 Los Angeles Irwindale: Santa Fe Flood Control Basin (on the San Gabriel River) 150 Comment
  RSA251479  Filago californica R. F. Thorne 1973-4-11 42796 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  UCR61065  Foeniculum vulgare R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., near Glendora Wilderness Park 306 Comment
  RSA453796  Foeniculum vulgare L. E. Hoffman 1932-8-16 s.n. Los Angeles Arroyo Seco, near Ave. 59. Pasadena. Comment
  OBI52026  Forestiera pubescens Michael Curto 1990-5-4 639 Los Angeles Angeles NF, Littlerock Reservoir, near Juniper Grove C6, Pacifico Mt Quad, T5N R11W S34 sw1/4 Comment
  POM320648  Fragaria californica M. A. Clauser 1965-4-19 159 Los Angeles Evey Canyon. San Gabriel mtn range, Pacific slope drainage area. 762 Comment
  UCSB4020  Frangula californica Wedberg, H. 1958-4-26 Los Angeles 1 mile west of fire station west of Beverly Glen on Mulholland Dr Santa Monica Mts. Comment
  CAS-BOT-BC53485  Frangula californica subsp. tomentella Timothy S. Ross; Steve Boyd 1994-6-23 8027 Los Angeles Sawmill Mountain: Burnt Peak 7.5' USGS Quadrangle 1680 Comment
  UCR280758  Frangula californica subsp. tomentella R. G. Swinney 2014-4-30 16303 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA552514  Frankenia grandifolia D. Charlton 1989-5-25 3196 Los Angeles Corner of G/H and 30th Street West, Palmdale. 610 Comment
  RSA602953  Frankenia salina Mark Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2563 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach. 3 Comment
  OBI12173  Fraxinus dipetala Louis C. Wheeler 1934-3-10 2431 Los Angeles San Dimas Cyn, San Gabriel Mts 442 Comment
  RSA0022251  Fraxinus dipetala Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5113 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA721718  Fraxinus dipetala R. G. Swinney 1995-3-19 3387 Los Angeles Glendora, c. 220 m west of Harrow Canyon Debris Basin, Whitcomb Trail. 537 Comment
  UCR193635  Fraxinus pennsylvanica subsp. velutina A. C. Sanders 2008-7-10 35733 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  CAS-BOT-BC211006  Fraxinus velutina L. R. Abrams 1900-8-10 876 Los Angeles San Gabriel River, West Fork Comment
  LA22124  Fritillaria biflora var. biflora Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  POM129905  Funastrum cynanchoides var. hartwegii L. R. Abrams 1902-7-5 2655 Los Angeles Near the power house, San gabriel Canyon Comment
  RSA652510  Funastrum cynanchoides var. hartwegii Jim Reutzel 1994-5-29 300 Los Angeles Los Angeles [Pomona], Cal Poly Pomona University, north of the Health Center, 100 feet north of the Cal Poly letters on the right hand side. Comment
  UCR203184  Galium angustifolium R. G. Swinney 2005-5-21 8262 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
  RSA226078  Galium angustifolium subsp. angustifolium Robert F. Thorne, C. W. Tilforth 1971-6-17 39948 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA562553  Galium angustifolium subsp. angustifolium Steve D. Boyd, Orlando Mistretta 1993-5-11 8128 Los Angeles North of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon. 488 Comment
  RSA655785  Galium angustifolium subsp. angustifolium James Henrickson 2000-4-15 20682 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SBBG118484  Galium angustifolium subsp. angustifolium O. Mistretta 1992-7-13 695 Los Angeles Los Pinetos Spring Cyn Trail Comment
  SEINET13387056 Image available Galium angustifolium subsp. angustifolium R. G. Swinney 2011-1 15230 Los Angeles San Gabriel Mountains: Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail (Crystal Lake 7.5' Q.) (T3N R9W) 1567 Comment
  UC28167  Galium angustifolium subsp. angustifolium H. P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  UCR177309  Galium angustifolium subsp. angustifolium LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1029 Los Angeles Transverse Ranges; Verdugo Mountains, South side of mountains, along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon 262 Comment
  UCR141863  Galium angustifolium subsp. gabrielense R. G. Swinney 1997-8-19 5828 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  RSA643971  Galium angustifolium subsp. nudicaule Victor W. Steinmann 1996-6-17 914 Los Angeles San Gabriel Mountains, ca. 1 km (by trail) north-northwest of Bear Flat, along Baldy Trail to Mt. San Antonio. 2000 Comment
  SD84863  Galium aparine M. B. Dunkle 1939-4-3 7220 Los Angeles Chenetti Canyon, San Clemente Island Comment
  UC625033  Galium aparine F. R. Fosberg 1931-3-20 S 4311 Los Angeles Santa Catalina Island, South wall Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 20 Comment
  UCR71156  Galium aparine Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4370 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA87439  Galium aparine F. W. Peirson 1923-4-8 3431 Los Angeles Wilson's Cove, San Clemente Island. Comment
  RSA67116  Galium catalinense subsp. acrispum F. W. Peirson 1923-4-9 3432 Los Angeles San Clemente Island: canyon near Lemon Tank at Middle ranch Comment
  SBBG13784  Galium catalinense subsp. catalinense M. A. Piehl 1962-10-3 62493 Los Angeles San Clemente Island Comment
  RSA0013631  Galium grande Orlando Mistretta, Jamie Reese 2011-7-28 6006 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  RSA678820  Galium grande Valerie L. Soza, Monica Acosta 2001-6-19 1296 -a Los Angeles Mt. Wilson Trail helispot, west side Little Santa Anita Canyon, ca. 2 miles from the Mt. Wilson trailhead in Sierra Madre. 823 Comment
  JEPS9442  Galium hallii Frank W. Peirson 1923-9-1 4013 Los Angeles in small canyon back of old sawmill (w end of valley); Swartout Valley Comment
  RSA600082  Galium hallii Steve D. Boyd, Lauren Raz 1997-5-20 9796 A 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-BC223139  Galium johnstonii Frank W. Peirson 1922-7-5 3159 Los Angeles Mountain north of Big Pines Camp 2225 Comment
  RSA0014589  Galium johnstonii Orlando Mistretta, Christine Mistretta 2011-6-18 5711 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  RSA0110596  Galium johnstonii Richard G. Swinney 2011-5-16 14732 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
  RSA549135  Galium johnstonii Tim S. Ross 1992-7-16 6699 Los Angeles San Gabriel Mountains: ridgeline between Iron Mountain and Condor Peak. NW spur of 5162' knoll 1491 Comment
  RSA573740  Galium johnstonii Tim S. Ross 1992-7-17 6724 Los Angeles 300m W of the summit of Condor Peak 1588 Comment
  UC1375413  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Upper Chilao Campground San Gabriel Mts., Angeles National Forest 1615 Comment
  UC1595372  Galium johnstonii Tim Ross 1992-7-16 6699 Los Angeles ridgeline between Iron Mtn and Condor Peak (nw spur of 5162' knoll); San Gabriel Mts. 1490 Comment
  UCR253390  Galium porrigens R. G. Swinney 2010-6-21 13267 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
  RSA252964  Galium porrigens var. porrigens Robert F. Thorne, C. W. Tilforth 1973-4-20 43113 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1037 Comment
Read comments
Mar 7 2014
  RSA680066  Galvezia speciosa Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-8 327 Los Angeles San Clemente Island. Lemon Tank Canyon. N side at/in dump. 30' below canyon ridge. Comment
  UCR68908  Galvezia speciosa Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4196 Los Angeles Channel Islands, San Clemente Island: upper reaches of China Canyon, S end of Island, W side Comment
  RSA656485  Gamochaeta pensylvanica Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 720 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. 518 Comment
  RSA603419  Gamochaeta pensylvanica Joseph A. Ewan 1937-8-23 11060 Los Angeles Common dooryard weed, Cauby home, San Fernando City. Comment
  RSA582771  Garrya flavescens Tim S. Ross, Steve D. Boyd 1993-5-23 7245 Los Angeles Lower, easterly ridge of Red Mtn, on northerly to northeasterly slope 500-570 m SE of the saddle between Ruby and Clearwater Canyons., [Range:] 34 deg 35' 23-25''N 118 deg 29' 13''W 966 Comment
  RSA252708  Garrya flavescens var. pallida Michael C. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park, Punchbowl Canyon. 1372 Comment
  RSA392386  Garrya flavescens var. pallida Bonnie C. Templeton 1936-4-14 5639 Los Angeles North of Strawberry Peak. Comment
  LA44540  Garrya veatchii W. O. Griesel; 1937-12-23 sn Los Angeles Santa Monica Mountains, Las Virgenes Canyon Comment
  POM132533  Garrya veatchii C. F. Baker 1905-2-15 4012 Los Angeles San Antonio Canyon near Claremont. Comment
  UC1122737  Garrya veatchii Jerome S. Horton 1935-7-18 228 Los Angeles divide between East Fork San Dimas Canyon and San Gabriel Canyon; San Dimas Experiamental Forest, Cucamonga Quad. 1325 Comment
  RSA413934  Gastridium phleoides Anstruther Davidson 1917-06 3252 Los Angeles Crescenta. Comment
  SEINET10897116  Gastridium phleoides Hermann E. Hasse Hasse s.n. Los Angeles Open hills & plains. Comment
  RSA642512  Gaura coccinea D. E. Bramlet 1999-5-21 2785 Los Angeles Puente Hills. 549m northwest of the 57/60 freeway and 366m north of Grand Avenue. 488m southwest of Beaverhead Drive in Diamond Bar. 226 Comment
  UCR190355  Gayophytum R. G. Swinney 2001-6-16 7972 Los Angeles San Gabriel Mtns., Juniper Hills, north side of Pleasant View Ridge, secondary ridge between Miller and McClure canyons 1951 Comment
  RSA0060876  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2010-10-13 14040 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  RSA0105967  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-8 15480 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  RSA229169  Gayophytum heterozygum Robert F. Thorne, C. W. Tilforth 1971-6-29 40709 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: along Aliso Creek at Tie Canyon where crossed by Angeles Forest Rd. 1372 Comment
  RSA772584  Gayophytum nuttallii Barbara Shervanick 1973-7-12 1000 Los Angeles Freshwater marsh at Bear Flats about 1.5 miles from Baldy Village on Bear Flats Trail; San Gabriel Mts., Pacific Slope Watershed 1585 Comment
  RSA696766  Gazania rigens Kenneth Beard 1934-06 s.n. Los Angeles Garden, Artesia. Comment
  SD253448  Genista monspessulana R. G. Swinney 2011-3-26 14235 Los Angeles San Gabriel Mountains; San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1-0.6 mile upstream from confluence with San Dimas Canyon. 476 Comment
  CATA223  Geranium carolinianum Mark L. Hoefs, A. Douglas Propst 1973-5-4 212 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  LA201689  Geranium carolinianum Arthur C. Gibson; 2003-4-24 4837 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA390992  Geranium carolinianum Geo. L. Moxley 1913-1 251 Los Angeles Annandale Comment
  SEINET4044526  Geranium carolinianum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  POM2733  Geranium molle S. Krauss 1909-6-14 2 Los Angeles Claremont. Comment
  SFV2885  Gilia achilleifolia P. G. Kilburn 1958-3-5 647 Los Angeles San Fernando Valley Oat Mountain, Brown Canyon. Comment
  SBBG121864  Gilia achilleifolia subsp. achilleifolia A. Parikh, N. Gale 2005-6-15 779 Los Angeles Portal Ridge, 1.1 km N of intersection of N2/Johnson Rd, 1.6 km E of intersection of N2/Munz Ranch Rd 1085 Comment
  RSA733834  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. 732 Comment
  SBBG119339  Gilia angelensis V. Soza with S. Boyd 2002-4-10 1407 Los Angeles Haskell Cyn, Del Sur Ridge, Stables Fire 2001 area; T5N R15W S19, SW/4, SE/4 518 Comment
  RSA593021  Gilia brecciarum subsp. brecciarum Steve Boyd 1996-4-25 8730 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, north side of Cold Canyon along Forest Service Road 7N23 ca 2.3 road miles N of jtn with 7N22. 1537 Comment
  UCR190287  Gilia capitata R. G. Swinney 1998-8-1 6624 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  UCR258702  Gilia capitata R. G. Swinney 2010-3-22 12016 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  LA52328  Gilia capitata subsp. abrotanifolia W. O. Griesel; 1936-4-18 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR272974  Gilia capitata subsp. abrotanifolia R. G. Swinney 2011-4-26 14501 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  LA206507  Gilia capitata subsp. abrotanifolia Doris Daw; 1940-4-22 sn Los Angeles Arroyo Seco Comment
  POM3478  Gilia capitata subsp. abrotanifolia D. L. Crawford 1915-6-27 s.n. Los Angeles Bear Canyon, Claremont. 1982 Comment
  UCD117774  Gilia latiflora Ira L. Wiggins 1966-4-24 20618 Los Angeles along E side of 145th Street E between Palmdale Boulevard and Avenue O, north of Pearblossom. Mohave Desert. Comment
  SD48430  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-23 17582 Los Angeles Leona Valley at junction of Bouquet Reservoir and Palmdale roads. Comment
  UC335341  Gilia latiflora subsp. davyi unknown March 1886 Los Angeles near Lancaster; near Lancaster Comment
  RSA469372  Gilia latiflora subsp. latiflora Robert Gustafson 1982-4-26 2520 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St 1006 Comment
  RSA756791  Gilia leptantha subsp. transversa Orlando Mistretta, Christine Mistretta 2008-4-21 2507 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  UCR103985  Gilia minor George K. Helmkamp, E. A. Helmkamp 1997-3-11 1476 Los Angeles c. 12 mi. west of Lancaster at Lancaster Rd & Willow Springs Cyn. 899 Comment
  RSA251503  Gilia nevinii R. F. Thorne 1973-4-11 42833 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  SBBG42284  Gilia nevinii M. B. Dunkle 1939-4-6 7320 Los Angeles Mosquito Ridge Comment
  SDSU3091  Gilia nevinii R. M. Beauchamp 1967-6-2 536 Los Angeles Below Lemon Tank. San Clemente Island. 259 Comment
  UC73657  Gilia nevinii S. B. Parish and J. C. Nevin 1885-4-18 Los Angeles San Clemente Island Comment
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Nov 10 2010
  RSA0119099  Gilia ochroleuca subsp. bizonata 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
  UCR270635  Gilia ochroleuca subsp. bizonata R. G. Swinney 2011-5-24 14821 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
  RSA0016173  Gilia ochroleuca subsp. ochroleuca R. G. Swinney 1998-5-16 6064 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  SEINET4854751  Gilia sherman-hoytiae Unknown 1933-5-13 12925 Los Angeles 10 mi S of Muroc. Comment
  UCR205909  Gilia splendens R. G. Swinney 2008-5-5 8779 Los Angeles San Gabriel Mtns., 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
  SD181412  Gilia splendens subsp. grantii V. Soza, Monica Acosta 2001-6-13 1281 Los Angeles San Gabriel Mountains region: South Fork Big Rock Creek, ca. 1.0 mile south from South Fork Campground along the South Fork Trail. 1616 Comment
  UC1584733  Glebionis coronaria Tim Ross and Annette Ross 1991-6-3 5511 Los Angeles near th s base of Elephant Hill (w Pomona) 256 Comment
  POM4642  Gnaphalium californicum Shaw 1900-6-11 s.n. Los Angeles Claremont. Comment
  RSA188218  Gnaphalium chilense R. F. Thorne 1965-6-22 34919 Los Angeles Catalina Island. South of Avalon golf course. 91 Comment
  UCR142064  Gnaphalium leucocephalum Mark A. Elvin 2003-8-13 2983 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR142078  Gnaphalium leucocephalum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26194 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  CATA1368  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2490 Los Angeles Santa Catalina Island: Lower Bulrush Reservoir 289 Comment
  SBBG12910  Gnaphalium palustre E. R. Blakley 1962-10-3 5372 Los Angeles banks of Wrigley Reservoir at summit of island rd 426 Comment
  RSA0127465  Gnaphalium palustre Louis C. Wheeler 1967-7-18 10106 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA478803  Grayia spinosa Robert M. Perkins 1937-4-23 361 Los Angeles Between Lancaster & Palmdale. Comment
  SD133113  Grayia spinosa Ed LaRue, R. Montijo 2-4 Apr 1991 91 18 Los Angeles Palmdale; south of Avenue M and east of Sierra Highway; north of Air Force Plant. 790 Comment
  UCR124758  Grayia spinosa B. C. Templeton 1930-5-19 1459 Los Angeles San Gabriel Mtns., Mint Canyon, near Mojave Desert 854 Comment
  UCD132550  Grindelia camporum Daryl Koutnik 1978-6-24 545 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  POM359090  Grindelia robusta Edwin Kline 1924-6-9 s.n. Los Angeles Los Angeles, mesa and open ground W of City. Comment
  LA210061  Guillenia lasiophylla Arthur C. Gibson; Tarja Sagar 2006-4-20 5129 Los Angeles Simi Hills, Palo Comado SMMNRA, SE of intersection of Cheeseboro Ridge Rd and sheep Corral Trail, above hiking trail Comment
  SEINET10630417  Haematoxylum campechianum Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2517 Los Angeles City of Pasadena. Farm Fresh Ranch Market, 475 E. Orange Grove Blvd. Comment
  RSA603188  Haplopappus pinifolius L. C. Wheeler 1972-12-20 12782 Los Angeles San Gabriel Mountains: Cow Canyon Saddle 1372 Comment
  CATA439  Harpagonella palmeri Sara L. Crockett, Mark Elvin 1997-3-17 578 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road; top of minor canyon SE of Peak 1395 373 Comment
  RSA583026  Harpagonella palmeri T. S. Ross, Takara, Otte 1993-4-24 6947 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, on ridgetop ca 1000 m NW of Mt. Torquemada. 396 Comment
  RSA0112058  Harpagonella palmeri Steven A. Junak 2000-4-15 SCa- 1219 Los Angeles Santa Catalina Island. E of Lone Tree, at head of canyon, next to top of S-facing bluffs. 445 Comment
  RSA133029  Hazardia squarrosa var. grindelioides Peter H. Raven 1959-9-18 14453 Los Angeles University of California 152 Comment
  RSA5992  Hazardia squarrosa var. grindelioides C. B. Wolf 1932-10-4 4224 Los Angeles Santa Catalina Island; above the Amphitheater, Avalon 30 Comment
  CLARK-A1528-1935  Hedypnois cretica Alfred R. Roos 1954-5-17 Los Angeles Hollywood 91 Comment
  UCSB42209  Hedypnois cretica Roos, Alfred 1954-5-17 Los Angeles Near North Kenmore and Oakdale Streets, Hollywood Comment
  CAS-BOT-BC309439  Helenium puberulum Geo. B. Grant 1904-6-5 s.n. Los Angeles Unspecified Comment
  RSA702192  Helianthemum scoparium Scott D. White, Pam DeVries 2004-6-14 10486 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC305435  Helianthus annuus 1901-3-9 s.n. Los Angeles Altadena Comment
  SFV18122  Helianthus annuus J. N. Hogue 2000-5-26 s. n. Los Angeles Los Angeles, Eagle Rock. Front lawn of 1591 Grandola Avenue. 152 Comment
  RSA486472  Helianthus annuus subsp. lenticularis Richard Noyes 1988-7-30 596 Los Angeles Claremont; foothills of the San Gabriel Mts; 200 meters east of Thompson Creek Dam. 500 Comment
  POM223440  Helianthus californicus Garrettson 1936-4-29 29 Los Angeles Garfield Ave. near Grove Street, south of Monterey park Comment
  UCR169825  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. Los Angeles Western Transverse Range, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River 305 Comment
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Jul 9 2012
  POM360258  Hemizonia fasciculata M. B. Dunkle 1928-10-17 2020 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  RSA94189  Hemizonia fasciculata F. W. Peirson s.n. Los Angeles Playa del Rey. Comment
  POM186715  Herissantia crispa Thomas Craig 1928-3-11 682 Los Angeles San Pedro Bay, 0.5 mile from shore Comment
  IRVC26478  Herniaria hirsuta A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26147 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  CAS-BOT-BC135950  Hesperoyucca whipplei Peter H. Raven; Henry J. Thompson 1959-5-5 14150 Los Angeles On chaparral burn, 4.1 miles north-west of Tapia Park on road to Malibu Lake - Santa Monica Mountains 182 Comment
  RSA230201  Heterocodon rariflorum R. F. Thorne 1969-7-2 38224 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1601 Comment
  CAS-BOT-BC143673  Heteromeles arbutifolia A. C. Sanders; D. Maleug; K. D. Jones 1999-11-19 23273 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oak Mountain; Mormon, Limekiln & Aliso Cyn watersheds 672 Comment
  CAS-BOT-BC143688  Heteromeles arbutifolia Earnest Windle 1917-12-1 s.n. Los Angeles Santa Catalina Id. Comment
  RSA0042668  Heteromeles arbutifolia Laura Moore, Jean Moore 1999-2-6 007 Los Angeles Pitzer College, Claremont: Along northwest boundary of Outback and Harvey Mudd soccer field. 350 Comment
  RSA0072468  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33296 Los Angeles Santa Catalina Island. Above Fourth of July Cove. 30 Comment
  SD141296  Heteromeles arbutifolia var. macrocarpa Reid Moran 1958-9-16 6847 Los Angeles San Clemente Island, Wash Rocky Canyon, 2 miles SE of Eel Point Comment
  SD69551  Heteromeles arbutifolia var. macrocarpa Robert F. Thorne, P. Everett 1965-6-22 34920 Los Angeles Santa Catalina Island: S of Avalon golf course in open, flat, sandy bottom of Avalon Canyon 91 Comment
  RSA0074533  Heterotheca fastigiata George B. Grant 1906-9-14 s.n. Los Angeles Pasadena. Comment
  JEPS30536  Heterotheca grandiflora Kyhos 1958-12-5 58 -236 Los Angeles Whittier Comment
  RSA0075646  Heterotheca grandiflora Scott D. White 2003-10-14 9828 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre; Los Angeles Dept. of Public Works Auburn debris basin, above the north terminus of Auburn Ave. 396 Comment
  JEPS19510  Heterotheca grandiflora Peter H. Raven 1957-9-21 11324 Los Angeles nw end U.C.L.A. Campus Comment
  RSA0074437  Heterotheca grandiflora Jack Rempel 1932-4-17 15249 Los Angeles El Segundo. Comment
  UCR162374  Heterotheca sessiliflora subsp. fastigiata Anuja Parikh, Nathan Gale 2004-6-16 2046 Los Angeles Western Transverse Range, Santa Clara River Valley, Newhall Ranch, Castaic Creek north of Calif. Hwy 126 and SW of Commerce Center Dr. 290 Comment
  UC857971  Heuchera abramsii P. A. Munz 1922-7-21 6113 Los Angeles Mt San Antonio; San Gabriel Mts 3048 Comment
  CAS-BOT-BC123613  Heuchera elegans LeRoy Abrams 1901-7-10 1903 Los Angeles Wilson's Peak Comment
  RSA0063276  Heuchera elegans R. G. Swinney 1998-10-3 7019 Los Angeles San Gabriel Mountains: upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground. 2012 Comment
  UCSB68642  Hirschfeldia incana Gross, LeRoy 2003-3-9 Los Angeles Transverse Ranges: San Rafael hills (Verdugo Mountains Flora): SW side; west-east trending ridge SW of Flint Peak; entered at W end, at Mt Carmel Drive, E of (2) Glendale fwy, b/w Chevy Chase Dr (Sycamore Cyn) to the N, & Glenoak Blvd (Scholl Canyon) to S 357 Comment
  CDA27085  Hoffmannseggia glauca Agricultural Commissioner Los Angeles 0 Comment
  LA33817  Hoita macrostachya Peter H. Raven; 1959-10-25 14691 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SBBG32075  Holodiscus discolor R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -305 Los Angeles Descanso Cyn 213 Comment
  SD252247  Hordeum depressum Steven A. Junak 1999-5-20 Sca 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  RSA535312  Hordeum intercedens Timothy S. Ross 1991-5-20 5371 Los Angeles San Clemente Island, west Side. Terrace flats between Box and Horse Canyons. 486 Comment
  RSA782109  Hordeum marinum A. C. Sanders, Dan S. Cooper 2010-4-30 38156 Los Angeles Madrona Marsh, Torrance 24 Comment
  UCR51317  Hordeum murinum A. C. Sanders 1988-2-3 7598 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  POM352452  Hordeum murinum subsp. glaucum Ida Lou Sayler 1942-4-10 s.n. Los Angeles Vacant lots, south Pasadena Comment
  RSA0081380  Hordeum murinum subsp. glaucum R. G. Swinney 2010-3-16 11909 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  RSA611066  Hordeum murinum subsp. leporinum L. C. Wheeler 1970-5-9 s.n. Los Angeles Los Angeles: Gladys Avenue at 9th Street. Comment
  POM352481  Hordeum vulgare Robert M. Perkins 1935-3-24 54 Los Angeles Los Angeles Comment
  UCR88671  Hordeum vulgare Scott D. White, Chet McGaugh 1995-5-9 3008 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  SDSU9068  Horkelia cuneata Gerald Collier 1951-4-7 Los Angeles Overlooking Point Dume. About 2.0 miles west or US HWY 101. Comment
  POM590  Horkelia cuneata subsp. puberula I. M. Johnston 1918-5-1 1892 Los Angeles San Antonio Canyon Wash between Upland and Claremont 366 Comment
  SD11897  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles San Gabriel Mountains, Buckhorn, marshy places & along streams 1981 Comment
  CAS-BOT-BC311971  Hulsea heterochroma Timothy S. Ross; Steve Boyd 1994-5-10 7748 Los Angeles Liebre Mountains. Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  RSA250348  Hulsea vestita subsp. gabrielensis R. F. Thorne, Tilforth, Dourley, Scoggin 1972-8-11 42223 Los Angeles San Gabriel Mtns, Angeles National Forest: N slope of Mt. Waterman near Buckhorn Station. 2134 Comment
  RSA650959  Hymenoclea salsola Marion P. Harthill 1976-11-9 s.n. Los Angeles Mojave Desert, Hwy N4. 1067 Comment
  RSA755972  Hymenoclea salsola Orlando Mistretta, Christine Mistretta 2008-4-12 2416 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA535708  Hypochaeris radicata Timothy S. Ross 1991-5-23 5507 Los Angeles San Clemente Island: Wilson Cove Settlement: lawn at bus stop on N side of Bldg 60112. 53 Comment
  CDA5570  Ipomoea mutabilis T. C. Fuller 1963-4-25 10301 Los Angeles North of highway bridge over creek, Pacific Coast Highway (101 Alt.) mouth of Topanga Canyon. 0 Comment
  SFV12574  Ipomoea purpurea M. H. Grayum 1977-11-24 869 Los Angeles San Fernando Valley Sepulveda Basin. Along Los Angeles River, between dam and Burbank Blvd. 207 Comment
  UC87270  Isocoma menziesii var. menziesii T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  SEINET10605147  Jarava ichu Roxana S. Ferris 1918-6-12 Ferris 947 Los Angeles 5 miles south of Lancaster; Yucca-Cavillea associasion. Comment
  CHSC22101  Juglans californica Robert A. Schlising 1968-8-22 2919 Los Angeles Mulholland Drive, 1.4 mi West of San Diego Freeway (Hwy 405). Comment
  HSC13963  Juglans californica C. E. Fellows 1965-9-3 125 Los Angeles San Monica Mtns., 1/10 mi. W of intersection of Las Virgenes Rd. on Mulholland Rd., N side of road. Comment
  POM199723  Juglans californica I. W. Clokey, Bonnie C. Templeton 1929-04 4465 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
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Jan 1 2012
  RSA670755  Juglans californica Joseph M. Keefe 2001-4-8 31202 Los Angeles San Rafael Mountains. South side of Upperton Place (south across street from 1366 Upperton Place) 0.5 mile west of intersection with Upperton Avenue; ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 259 Comment
  CAS-BOT-BC412803  Juglans hindsii R. E. Riefner, Jr. 1998-7-15 98 -445 Los Angeles City of Walnut, Lemon Creek, vicinity Meadow Pass Rd. at Landaluce Ln. 208 Comment
  UCR204752  Juncus R. G. Swinney 2005-8-9 8426 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  CATA853  Juncus acutus subsp. leopoldii Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1662 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  UCR125922  Juncus balticus A. C. Sanders, Mark Elvin 2002-6-19 25182 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  RSA656848  Juncus balticus subsp. ater Valerie Soza, Laura Moore 2000-6-14 1017 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
  SBBG77274  Juncus bufonius F. R. Fosberg 1931-5-4 4751 Los Angeles Middle Ranch Cyn, second bridge below Eagle's Nest 140 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
  RSA577431  Juncus bufonius var. occidentalis Joseph A. Ewan 1936-7-22 9794 Los Angeles Big Pines Meadow, San Gabriel Mountains. 2073 Comment
  RSA368068  Juncus macrophyllus L. E. Hoffman 1927-8-19 s.n. Los Angeles Clear Creek, Angeles National Forest. Comment
  UCR270264  Juncus macrophyllus R. G. Swinney 2011-10-10 15721 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA368238  Juncus mexicanus Anstruther Davidson 1919-1 s.n. Los Angeles Cienega. Los Angeles. Comment
  SEINET6174589  Juncus phaeocephalus var. paniculatus G. B. Grant 1904-6-10 636 -6117 Los Angeles Sherman Comment
  RSA250339  Juncus rugulosus Robert F. Thorne, Larry E. DeBuhr 1972-8-18 42239 Los Angeles San Gabriel Mountains, Angeles National Forest: Buckhorn Station along Angeles Crest Highway 2061 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
  UCR125174  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  UCR206140  Juncus rugulosus R. G. Swinney 2008-5-30 8911 Los Angeles San Gabriel Mtns., San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road 268 Comment
  RSA70061  Juncus rugulosus F. W. Peirson 1924-8-23 5057 Los Angeles west fork of San Gabriel River 411 Comment
  CATA1383  Juncus textilis Mark L. Hoefs, Robert F. Thorne, Janet Takara, Misty Gay 1995-7-27 2506 Los Angeles Santa Catalina Island: Just below lower Bulrush Reservoir 281 Comment
  UCR148045  Juncus textilis Steve Boyd, Amber Maurice 2004-5-18 11335 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
  RSA0045462  Juncus textilis I. M. Johnston 1916-11-26 s.n. Los Angeles Evey Canon[Canyon], San Antonio Mountains. 1143 Comment
  UCR58439  Juniperus A. C. Sanders 1987-7-22 7168 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  RSA596050  Juniperus californica T. S. Ross, J. Mark Porter 1995-5-4 8417 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 555 Comment
  RSA85558  Juniperus californica F. W. Peirson 1919-5-11 427 Los Angeles Arraster Creek, north slope of San Gabriel Mts. 853 Comment
  UCR177442  Juniperus californica LeRoy Gross 2005-5-19 2260 Los Angeles Tehachapi Mountains, SE base of the mountains, just above the the W side of Cottonwood Creek 1174 Comment
  UCR282145  Juniperus californica R. G. Swinney 2014-4-10 16063 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  JEPS24088  Keckiella breviflora var. breviflora Ernest C. Twisselmann 1959-6-2 5340 Los Angeles 1 mi s Sandberg's Lodge (Old Ridge Route) 1249 Comment
  CAS-BOT-BC235763  Keckiella cordifolia C. B. Wolf 1931-6-25 2240 Los Angeles S.W. of Los Angeles Botanic Garden, along Beverly Blvd. (Mandeville Canyon) 60 Comment
  POM257560  Keckiella cordifolia Carl B. Wolf 1932-5-9 3472 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. about 1/2 mi. way to Mexican Houses. 61 Comment
  RSA79783  Keckiella cordifolia Raymond J. Dobbs 1927-6-28 7684 Los Angeles Arroyo Seco near Switzers, San Gabriel Mountains. 915 Comment
  UC625147  Keckiella cordifolia F. R. Fosberg 1931-3-27 S 4400 Los Angeles Hamilton Canyon; Santa Catalina Island 50 Comment
  RSA611829  Kochia californica Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10152 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  UCD168230  Kochia prostrata 2015-1-1 s.n. Los Angeles Antelope Valley [UTM convert by label maker]. 750 Comment
  RSA773677  Koeleria macrantha R. G. Swinney 2009-6-3 11046 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SBBG49899  Krascheninnikovia lanata L. S. Matlovsky 1975-3-27 DM- 1114 Los Angeles West Avenue S, near Palmdale Lake, Anaverde Valley Comment
  UC1595462  Krascheninnikovia lanata Tim Ross 1992-4-4 6076 Los Angeles near s.w. base to summit Adobe Mt.; s.w. Mojave Desert, Adobe Mt. U.S.G.S. 7.5' topo, Adobe Mt. 926 Comment
  CDA7524  Lactuca serriola Phillipson 1915-6-12 Los Angeles Monrovia. Comment
  RSA623827  Lamarckia aurea K. Scott 1921-3-3 s.n. Los Angeles Campus, (Occidental College), Eagle Rock. Comment
  UCR99447  Lantana montevidensis L. C. Wheeler 1968-3-28 s.n. Los Angeles San Gabriel Mtns. Foothills, vicinity of stables, Brown School for Girls 335 Comment
  UCR141858  Larrea tridentata R. G. Swinney 1997-9-6 5866 Los Angeles San Gabriel Mtns., 223rd St., 0.5 mi south of Fort Tejon Rd; about 30 ft east of road. 1195 Comment
  CAS-BOT-BC338113  Lasthenia californica Le Roy Abrams 1901-4-1 1188 Los Angeles Ballona Harbor Comment
  LA51477  Lasthenia californica Henry J. Thompson; 1959-3-27 1888 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA0009797  Lasthenia coronaria Marcus E. Jones 1882-2-27 3026 Los Angeles Pasadena. Comment
  UCSB43756  Lasthenia gracilis Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden on Memorial Road, 0.62 miles from its junction with Avalon Canyon Road, Santa Catalina Island 175 Comment
  SFV16074  Lathyrus vestitus P. A. Krueger 1994-5-14 19 Los Angeles San Gabriel Mountains 2 miles west on 2N23 from Newcomb's Saddle._x000B_ 900 Comment
  UCR68932  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4209 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  POM304872  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-3-21 263 Los Angeles Altadena. Comment
  RSA008386  Lathyrus vestitus subsp. laetiflorus Fay A. MacFadden 1930-04 2273 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  SD90476  Lathyrus vestitus var. vestitus Robert F. Thorne 1973-4-11 42850 Los Angeles San Clemente Island, middle portion of Norton Canyon, weedy canyon bottom 274 Comment
  RSA599775  Layia glandulosa Steve Boyd, Lauren Raz 1997-3-25 9269 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
  SBBG61207  Layia glandulosa R. Hoffmann 1925-4-19 Los Angeles W border of Antelope Valley Comment
  RSA0083165  Layia platyglossa R. G. Swinney 2010-6-1 13129 Los Angeles lower Carson Mesa, 0.4 miles east of Angeles Forest Hwy., 0.4 miles NNE of Vincent. 994 Comment
  SDSU4711  Layia platyglossa R. M. Beauchamp 1967-3-18 274 Los Angeles Below Lemon Tank; San Clemente Island. Comment
  UC30673  Layia platyglossa J. H. Barber 1897-3-15 59 Los Angeles Santa Monica Exp't Station Comment
  UC468911  Layia platyglossa unknown 1905-4-20 111 Los Angeles Pasadena Comment
  CHSC110020  Lepechinia fragrans Mark Elvin; Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 349 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Rd. 7.3mi W of gate at Mt. Baldy Road. S side road on bank. Comment
  RSA741093  Lepechinia fragrans Justin M. Wood 2008-11-21 243 Los Angeles Above La Canada, off of ANF Road (2N76). 985 Comment
  CAS-BOT-BC33703  Lepechinia rossii Steve Boyd; Tammy Morgan 2004-5-11 11169 Los Angeles Transverse Ranges; Liebre Mountains region: Head of Ruby Canyon on northern flank of Red Mountain 305 Comment
  CAS-BOT-BC89081  Lepidium didymum Peter H. Raven 1959-3-1 13818 Los Angeles Santa Monica Mountains. Vermont Canyon. Griffith Park. 243 Comment
  CAS-BOT-BC89169  Lepidium draba Peter H. Raven; Henry J. Thompson 1960-4-12 15030 Los Angeles Santa Monica Mountains. Seminole Hot Springs. 289 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
  CATA1595  Lepidium latipes Mark L. Hoefs, Robert F. Thorne 1998-4-25 2864 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  CAS-BOT-BC12472  Lepidium nitidum Marcus E. Jones 1882-2-27 3036 Los Angeles Pasadena. Comment
  RSA429968  Lepidium pinnatifidum Wm. Martin, Robert Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  RSA0112020  Lepidium virginicum subsp. virginicum Richard G. Swinney 2011-3-29 14267 Los Angeles San Gabriel Mts.: Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  UCR273748  Lepidium virginicum subsp. virginicum R. G. Swinney 2011-6-15 15193 Los Angeles San Gabriel Mountains, Chilao Creek, 100 m south and north of Chilao Campground 1573 Comment
  LA204453  Lepidium virginicum var. menziesii Joseph Andorfer Ewan; 1932-5-10 7468 Los Angeles Verduco Canyon, at Colina Drive Comment
  LA202574  Lepidium virginicum var. pubescens Peter H. Raven; 1960-5-21 15391 Los Angeles Santa Monica Mountains, Tuna Canyon, 2.3 mi N of Pacific Coast Hwy 304 Comment
  CAS-BOT-BC328065  Lepidospartum squamatum David D. Keck 1932-10-14 1948 Los Angeles Tujunga Wash, 4 mi E of Van Nuys on Van Owen Street Comment
  POM361776  Lepidospartum squamatum L. C. Wheeler 1931-8-1 s.n. Los Angeles Thompson Wash near La Verne. 373 Comment
  SEINET10759271  Lepidospartum squamatum John G. Lemmon 1872-1 Lemmon s.n. Los Angeles Santa Monica, Ca. Comment
  CAS-BOT-BC272414  Leptochloa fusca subsp. uninervia Peter H. Raven 1957-9-21 11346 Los Angeles Pacific Palisades Comment
  UC1506115  Leptodactylon californicum Robert T. Clausen 1963-4-5 63033 Los Angeles along w side Malibu Creek (below Malibu Lake, Transverse Ranges); Transverse Ranges, w side Malibu Creek below Malibu Lake 195 Comment
  UC303733  Leptodactylon pungens I. Johnston 1917-7-4 1418 Los Angeles summit Baldy (Southern California); summit of Baldy 3048 Comment
  RSA600177  Leptosiphon androsaceus Steve Boyd 1997-5-1 9669 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SEINET14160617  Leptosiphon androsaceus G. B. Grant 694 a/3828 Los Angeles Pasadena Comment
  RSA0116186  Leptosiphon breviculus R. G. Swinney 2011-5-16 14746 Los Angeles San Gabriel Mountains; Camp Colby (Colby Ranch), 1.18 mi. at 73 deg SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp. 1375 Comment
  RSA774274  Leptosiphon breviculus R. G. Swinney 2009-6-8 11099 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0095149  Leptosiphon breviculus Orlando Mistretta, Peter L. Morrell 1992-6-4 495 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  UCR209938  Lessingia filaginifolia R. G. Swinney 2008-7-15 9212 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  CAS-BOT-BC339284  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco Comment
  POM49385  Lessingia glandulifera var. glandulifera L. R. Abrams 1901-07 1909 Los Angeles Claremont. Comment
  UCR70745  Lessingia glandulifera var. glandulifera Fay A. MacFadden 1931-7-8 3080 Los Angeles Pacoima Wash, San Fernando Valley 350 Comment
  UC1871298  Lessingia lemmonii var. peirsonii T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3900 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. Comment
  RSA0035138  Leucojum aestivum Lee Haines 1951-3-11 3 Los Angeles Topanga Canyon. 259 Comment
  CAS-BOT-BC283775  Leymus cinereus Baily 1974-8-15 0526 Los Angeles Castaic Comment
  RSA129539  Leymus condensatus H. S. Yates 1936-8-29 6384 Los Angeles 3 miles E. of San Fernando 335 Comment
  RSA738074  Leymus condensatus Margaret Tucker 1966-6-4 s.n. Los Angeles San Rafael Hills-Montrose Comment
  SEINET10595837  Leymus condensatus Adolph D. E. Elmer Elmer 4177 Los Angeles Acton. Comment
  RSA623880  Leymus triticoides Arthur R. Kruckeberg 1939-5-31 245 Los Angeles Vacant lot across from house Highland Park. Comment
  RSA760585  Leymus triticoides R. G. Swinney 2008-10-16 9617 Los Angeles Big Pine Meadow 2061 Comment
  RSA788186  Lilium humboldtii Doris Bowers 1967-7-19 821 Los Angeles Topanga Canyon 610 Comment
  RSA547442  Lilium humboldtii subsp. ocellatum Timothy S. Ross 1992-5-17 6373 Los Angeles San Gabriel Mountains: lower Shoemaker Canyon, draining to E fork of San Gabriel River, joining it at 2125 ft. elevation 723 Comment
  SBBG118499  Lilium parryi O. and J. Mistretta 1992-9-22 825 Los Angeles Cooper Cyn 1901 Comment
  RSA0045427  Lilium parryi Wendy Boes, Andrew S. Wheeler 2009-7-13 2009 -048 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2 2011 Comment
  UCR189742  Linanthus breviculus R. G. Swinney 1998-7-10 6385 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA463699  Linanthus californicus Gene Cooper 1961-5-30 s.n. Los Angeles Big Dalton Canyon, Glendora. Comment
  RSA468426  Linanthus californicus Edwin Kline 1924-6-22 s.n. Los Angeles Mt. Wilson Comment
  RSA522943  Linanthus californicus T. S. Ross, Orlando Mistretta 1990-10-24 3303 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  RSA652607  Linanthus californicus Horton Sherwood 1948-5-5 3 Los Angeles 18 miles north of Azusa on the road to Crystal Lake. 609 Comment
  RSA670666  Linanthus californicus B. C. Templeton 1960-5-14 8590 Los Angeles Near Charlton Flats. San Gabriel Mountains. Comment
  RSA612281  Linanthus dianthiflorus L. C. Wheeler 1934-4-27 2565 Los Angeles Marshall Creek. 488 Comment
  UCD118503  Linanthus dianthiflorus Robert F. Thorne 1966-4-4 35757 Los Angeles Santa Catalina Island: Bluff SE of Ballast Point and Catalina Harbor, Isthmus. 60 Comment
  UCR43559  Linanthus dianthiflorus subsp. dianthiflorus B. A. Prigge 1986-3-19 6933 Los Angeles Western Transverse Range; Santa Monica Mtns., 0.3 mi west of Mulholland Hwy on Pacific Coast Hwy. 30 Comment
  POM364575  Linanthus dianthiflorus subsp. dianthiflorus N. C. Cooper 1940-4-19 s.n. Los Angeles Malabu Coast. Along highway. Near sea level. Comment
  UCR140949  Linanthus dichotomus June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, Antelope Valley, 200th Ave. East, north of Hi Vista, toward Edwards AFB 915 Comment
  RSA73039  Linanthus dichotomus subsp. pattersonii F. W. Peirson 1919-5-10 393 Los Angeles Arraster [Arrastre] Creek. North base of San Gabriel Mountains 915 Comment
  RSA0091725  Linanthus parryae R. G. Swinney 2011-4-20 14440 Los Angeles Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 miles upstream in Hunt Cyn. 1220 Comment
  UCR124682  Linanthus parryae B. C. Templeton, I. W. Clokey 1930-4-8 1038 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA659926  Linanthus parryae Orlando Mistretta 1992-5-18 341 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA164863  Linanthus pungens Wesley O. Griesel 1963-8-1 865 Los Angeles Slopes of Mt. San Antonio 2988 Comment
  CAS-BOT-BC426252  Lithophragma affine Frank W. Peirson 1921-3-12 4190 Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 762 Comment
  RSA84363  Lithophragma affine F. W. Peirson 1921-5-12 4190 Los Angeles Big Santa Anita Canyon, S base of San Gabriel Mts 762 Comment
  RSA579495  Lithophragma bolanderi T. S. Ross, Steve Boyd 1994-5-11 7823 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. 1500 Comment
  UCR204206  Lithophragma maximum Mark A. Elvin, Dylan Hannon, Gary Allan, Curtis Clark, Steve Burckhalter 1996-4-20 165 Los Angeles Channel Islands, San Clemente Island, third canyon south of Bryce 305 Comment
  RSA84380  Lithophragma tenellum F. W. Peirson 1921-6-16 4690 Los Angeles ridge west of summit of Mt. Waterman 2286 Comment
  OBI9756  Lithophragma tenellum Wesley O. Griesel 1962-5-28 s.n. Los Angeles Big Pines, San Gabriel Mts 1829 Comment
  UC1587695  Logfia arizonica Tim Ross, Orlando Mistretta, Mike Hammit 1991-5-18 5193 Los Angeles 1300 ft nnw Guds (888') marker; San Clemente Island 240 Comment
  RSA0115269  Logfia gallica Richard G. Swinney 2010-6-8 13225 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  POM1292  Lolium perenne subsp. multiflorum W. R. Shaw 1900-6-11 s.n. Los Angeles Claremont. Comment
  RSA747003  Lolium perenne subsp. perenne R. G. Swinney 2003-5-12 8206 Los Angeles Glendora, Big Dalton Canyon Wilderness Park, drainage near Big Cienega Spring, S fork of upper Pavil Canyon 640 Comment
  SEINET11678812  Lolium temulentum Unknown 1936-1 12863 Los Angeles Westwood, Los Angeles Comment
  SBBG59717  Lomatium dasycarpum subsp. dasycarpum R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  UC1605197  Lomatium dissectum var. multifidum Tim Ross, Steve Boyd, and Peter Fritsch 1990-6-27 3874 Los Angeles between Horse Camp Canyon and Robinson Canyon (Liebre Mt.); Liebre Mts., Liebre Mt. Quad., Liebre Mt. 1475 Comment
  UCR221916  Lomatium mohavense R. G. Swinney 2009-4-28 10525 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UC592165  Lomatium mohavense H. L. Mason 1926-4-26 2979 Los Angeles summit Mint Canyon Comment
  RSA549548  Lomatium mohavense subsp. mohavense T. S. Ross 1992-4-4 6074 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  RSA588095  Lomatium nevadense var. parishii Orlando Mistretta 1994-5-31 1264 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  RSA99374  Lonicera hispidula var. vacillans Joseph A. Ewan 1933-7-4 7863 Los Angeles above Madrono Flats, E. Fork Santa Anita Canyon. 1067 Comment
  POM276678  Lotus Arthur L. Cohen 1934-8-2 493 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  POM219964  Lotus argophyllus var. ornithopus F. R. Fosberg 1932-5-5 8111 Los Angeles Hill N Avalon, Santa Catalina Island. Comment
  UCR125168  Lotus corniculatus A. C. Sanders, Mark Elvin 2002-6-25 25281 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 274 Comment
  RSA753988  Lotus crassifolius var. crassifolius Unspecified 680621 Los Angeles Angeles National Forest, Upper Chialo Campground 1616 Comment
  RSA498763  Lotus dendroideus var. dendroideus George B. Grant 1904-6-17 s.n. Los Angeles Pasadena. Comment
  SEINET3371870  Lotus hamatus G. Rink 2011-6-1 10572 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  UCR213687  Lotus heermannii Justin M. Wood 2009-6-1 793 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  RSA647908  Lotus heermannii var. heermannii LeRoy Gross, Wayne Law 2000-8-8 257 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 337 Comment
  RSA725749  Lotus humistratus A. C. Sanders, Mark A. Elvin 2003-5-1 26280 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
  RSA726022  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-28 26122 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA498758  Lotus humistratus M. Lindsay 1928-4-5 14573 Los Angeles Palos Verdes Hills Comment
  RSA586283  Lotus humistratus Orlando Mistretta 1995-3-14 1536 Los Angeles Little Rock Creek Management Unit; Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA0022520  Lotus nevadensis Duncan S. Bell, Caitlin Elam 2013-6-24 5240 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA652433  Lotus oblongifolius A. E. Hersh 1950-7-24 s.n. Los Angeles UCLA campus, south parterre. 60 Comment
  RSA594635  Lotus oblongifolius var. oblongifolius Steve Boyd, Lauren Raz 1996-10-29 9120 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  UC1586217  Lotus purshianus var. purshianus Tim Ross 1991-8-16 5831 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  RSA498804  Lotus salsuginosus var. salsuginosus Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  IRVC28578  Lotus scoparius A. C. Sanders, Mark Elvin 2002-6-19 25156 Los Angeles 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 NE end of Santa Susana Mtns. 305 Comment
  RSA701050  Lotus scoparius Steve Boyd, Amber Maurice 2004-5-18 11340 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  IRVC26368  Lotus strigosus A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26057 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  RSA406306  Lotus strigosus Geo. L. Moxley 1917-2-4 522 Los Angeles San Fernando Reservoir. Comment
  RSA562574  Lotus strigosus Steve Boyd 1993-4-22 7996 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA590851  Lotus strigosus T. S. Ross 1990-5-15 2537 Los Angeles Yerba Buena Ridge; Tujunga Ranger Distruct, Angeles National Forest; peripheral ridge N from Yerba Buena Rd. dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) 914 Comment
  RSA621305  Lotus strigosus L. C. Wheeler 1968-4-17 s.n. Los Angeles San Gabriel Mountains. 1159 Comment
  UCR126561  Lotus strigosus A. C. Sanders, Andy Thomson 2003-4-15 26018 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, disturbed alluvial flat c. 500 ft. south of Magic Mountain theme park 351 Comment
  RSA0041773  Lotus strigosus Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2806 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  SEINET3132486  Lotus strigosus var. strigosus Unknown 1903-4-10 3246 Los Angeles Near Inglewood Comment
  RSA533951  Lotus strigosus var. strigosus T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5203 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  RSA0003332  Lotus sulphureus Anstruther Davidson 1892-9-20 s.n. Los Angeles Wilson's Peak. Comment
  POM2472  Lotus unifoliolatus L. R. Abrams 1901-07 1993 Los Angeles Wilsons Peak. 1768 Comment
  POM2443  Lotus unifoliolatus M. Hitchcock 1918-07 33 Los Angeles Van Nuys Comment
  RSA133389  Lotus wrangelianus P. H. Raven 1959-5-3 1250 Los Angeles Santa Monica Mountains (34 deg.N; 118-119 deg.W). Mulholland Drive near Beverly Glen Boulevard 381 Comment
  UCR216035  Lotus wrangelianus R. G. Swinney 2005-4-30 8230 Los Angeles San Gabriel Mountains, Glendora, 'Morgan Canyon Plateau' adjacent to and east of Morgan Canyon 418 Comment
  UCR259373  Lunaria annua R. G. Swinney 2010-8-26 13588 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  RSA0094565  Lupinus albifrons Richard 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. 878 Comment
  SEINET10488420  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plant 2 years old. Grown in field planting at santa ana botanical garden. Hybridization by d.b.dunn. Rsa# 6450 x self plant 1 Comment
  SEINET12154338  Lupinus albifrons J. F. Bright, Wyman, C. 1931-1 5589 Los Angeles Manhattan Beach Comment
  RSA609565  Lupinus albifrons var. albifrons M. A. Piehl 1962-10-3 62488 Los Angeles Along main road above Swains Canyon (N arm). Santa Catalina Island. 381 Comment
  RSA0061210  Lupinus albifrons var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042005 Los Angeles Old Ridge Rte. 376 Comment
  UC56614  Lupinus bicolor H. M. Hall May 1902 3053 Los Angeles Antelope Valley Comment
  UCR146122  Lupinus bicolor Michael Denslow, Steve Boyd 2003-5-7 1085 Los Angeles Transverse Ranges; San Gabriel Mountains region, Lower Glendora Ridge Motorway (1N26) above Azusa. 610 Comment
  UC1401267  Lupinus bicolor David B. Dunn and Epling 1946-4-19 2139 Los Angeles Collected in a grassy meadow on the E side of the highway #138, 2.9 miles S of the junction of the old Ridge Route Road. 853 Comment
  UCD107125  Lupinus bicolor C. F. Baker 1909-3-20 5252 Los Angeles Claremont. Comment
  LA205006  Lupinus chamissonis Elizabeth McClintock; 1938-3-6 sn Los Angeles Playa del Rey Comment
  SEINET7249063  Lupinus chamissonis Jeremiah George, Audrey George 2014-1 Los Angeles Comment
  CATA3298  Lupinus concinnus Amy Catalano, Jen Dreizehn 2017-3-16 015 Los Angeles Santa Catalina Island: About 70 m N of Empire Landing Rd., across road from Buffalo Springs Reservoirs 452 Comment
  RSA779258  Lupinus concinnus Pam De Vries 2011-4-22 7760 Los Angeles Western Transverse Range, southwest portion of the Liebre Mountains; about 2.5 air miles NNE of the intersection of Copper Hill and McBean Parkway (Santa Clarita); about 0.5 air miles west of San Francisquito Canyon Road. 548 Comment
  CLARK-A1703-1193  Lupinus excubitus Charles S. Papp 1964-4-23 434 Los Angeles Claremont Comment
  RSA0069568  Lupinus excubitus Daisie Huang 2007-5-18 07051801 Los Angeles Near summit of Monrovia Canyon Trail, 4 miles past bridge. 899 Comment
  RSA585943  Lupinus excubitus var. austromontanus T. S. Ross 1990-5-23 2634 Los Angeles San Gabriel Mountains, Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), near the headwaters of Mill Canyon and Moody Canyon 1646 Comment
  SEINET10937090  Lupinus excubitus var. hallii David B. Dunn 1956-1 Dunn RSA# 6454 (4) x 6453(?) 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
  SEINET12154517  Lupinus excubitus var. hallii Unknown 1933-1 8339 Los Angeles Boquet Canyon Comment
  UC1293670  Lupinus formosus P. C. Everett and E. K. Balls 1959-5-22 23810 Los Angeles Holiday Hill, Big Pine San Gabriel Mountains 1950 Comment
  RSA729360  Lupinus formosus var. formosus R. G. Swinney 1998-7-27 6504 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  SEINET8043941 Image available Lupinus hirsutissimus R. G. Swinney 2010-1 12441 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream) below Natl. Forest boundary. 488 Comment
  UCR197201  Lupinus hirsutissimus Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 698 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 579 Comment
  RSA160415  Lupinus hirsutissimus J. D. Olmsted 1959-3-27 318 Los Angeles 2 miles S of stream gaging Station below San Dimas ranger station along San dimas Creek road foot of San Gabriel Mts 427 Comment
  RSA529171  Lupinus hyacinthinus T. S. Ross 1991-7-24 5664 Los Angeles Granite Mountain vicinty: San Gabriel Mtns. 1890 Comment
  UCR193501  Lupinus latifolius R. G. Swinney 1999-4-8 7074 Los Angeles San Gabriel Mtns., Claremont, Cobal Canyon c. 0.5 mi. NE of confluence with Burbank Canyon 549 Comment
  POM210251  Lupinus latifolius subsp. parishii Victor Duran 1933-7-21 3523 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  LA205134  Lupinus latifolius var. parishii Victor Duran; 1933-7-21 3523 Los Angeles San Gabriel Mountains, Buckhorn 1981 Comment
  RSA0073290  Lupinus laxiflorus var. cognatus Bonnie C. Templeton 1932-5-31 4857 Los Angeles East Blue Ridge, Big Pines Camp, San Gabriel Mts. Comment
  LA200471  Lupinus longifolius Carl Epling; 1933-5-13 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  LA91517  Lupinus longifolius Bruce Douglas Clayton; Greg Shaw 1950-5-13 117 Los Angeles Santa Monica Mountains, Mountain Park Research Campus, on firebreak E of canyon overlook 594 Comment
  RSA549176  Lupinus longifolius T. S. Ross 1990-6-20 3688 Los Angeles San Gabriel Mountains: Rincon-Red Box Rd (2N24); ridgetop between W Fork San Gabriel River and Roberts Canyon 1329 Comment
  SBBG89132  Lupinus microcarpus var. microcarpus A. C. Sanders, E. J. Lawlor 1988-4-3 7742 Los Angeles 1 mi NW of Gorman on a gasline rd, 0.4 mi above the old hwy 1280 Comment
  RSA0077367  Lupinus sparsiflorus Orlando Mistretta, Christine Mistretta 2005-4-21 2066 Los Angeles San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  UCR159988  Lupinus sparsiflorus Robin Schramm, R. Schoeninger, Vicki Schramm, Bill Schramm 1998-1 23 Los Angeles Whittier Hills, former Chevron Oil property, overgrown fire road beginning at Bacon Rd and extending behind Mar Vista School and Catalina Ave. 213 Comment
  UCR275300  Lupinus sparsiflorus Dan S. Cooper 2010-3-8 s.n. Los Angeles Western Tarnsverse Range; eastern Santa Monica Mtns., Griffith Park, Vermont Canyon, on slope east of tennis Courts 259 Comment
  SEINET10488984  Lupinus sparsiflorus Boyd 1987-4-14 BOYD 2057 Los Angeles San gabriel mts., Ridge between pine mtn. And silver mtn. S of rincon - red box Rd., N of glendora. Firebreak in chaparral and burned chaparral. Erect annual, Fls. Blue. Common Comment
  RSA252873  Lupinus sparsiflorus subsp. sparsiflorus R. F. Thorne 1973-5-11 43520 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA177716  Lupinus succulentus Robert F. Thorne, Percy C. Everett 1965-5-12 34609 Los Angeles Santa Catalina Island, Bullrush Canyon 244 Comment
  RSA652471  Lupinus succulentus Herb Hamilton 1949-5-4 s.n. Los Angeles Puddingstone Dam. 243 Comment
  RSA414365  Lupinus truncatus C. B. Liter, J. A. Powell 1928-4-25 s.n. Los Angeles Catalina Island, Hilltop SW of Avalon Comment
  UCR273207  Lupinus truncatus R. G. Swinney 2011-4-26 14499 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA657167  Lupinus truncatus Joseph M. Keefe 1978-5-11 22914 Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  SEINET10489066  Lupinus truncatus David B. Dunn 1948-3-20 Dunn 3785 Los Angeles Along roadside about 1 block w of grand ave on cypress ave about a mile ne of Covina. Comment
  SBBG131516  Lyonothamnus floribundus S. A. Junak 2000-5-19 SCa 1319 Los Angeles N-facing slope in cyn above Button Shell Beach 228 Comment
  CAS-BOT-BC142285  Lyonothamnus floribundus subsp. floribundus T. S. Brandegee 1887-5-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA582446  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  RSA597453  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  CAS-BOT-BC344379  Madia exigua Carl B. Wolf 1932-5-11 3573 Los Angeles Santa Catalina Island. Roadside, W. side of Fourth O' July Cove 30 Comment
  PASA2331  Madia exigua Frank W. Peirson 1923-5-21 Los Angeles Fish Canyon, San Gabriel Mts. 914 Comment
  UC1601157  Madia gracilis T. Minthorn July 1920 Los Angeles near Avalon (Catalina Island); Catalina Island Comment
  UCR124560  Madia gracilis B. C. Templeton 1932-6-1 4870 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2330 Comment
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  UCR193676  Madia gracilis R. G. Swinney, Dave Larson 1999-6-25 7411 Los Angeles San Gabriel Mtns., Fern Canyon, c. 1.75 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  LA201788  Madia sativa Arthur C. Gibson; 2003-9-3 4844 Los Angeles 167 Comment
  POM47826  Mahonia nevinii P. A. Munz, D. Keck 1924-4-12 7940 Los Angeles 2 miles east of San Fernando Comment
  RSA0041781  Malacothamnus fasciculatus Mark L. Hoefs 1995-5-23 2080 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge. 121 Comment
  RSA0078581  Malacothamnus fasciculatus Ira W. Clokey, B. Templeton 1929-07 4593 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  CAS-BOT-BC206370  Malacothamnus fremontii Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3702 Los Angeles Eastern half of the ridge, directly N of Fenner Canyon, Pinyon Ridge - San Gabriel Mountains 1990 Comment
  RSA630287  Malacothamnus fremontii Louis C. Wheeler 1965-10-23 s.n. Los Angeles Sierra Pelona: Martindale Canyon north side. Comment
  UCR204838  Malacothamnus fremontii R. G. Swinney 2005-8-11 8458 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC204194  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles north of Castac [Castaic] 609 Comment
  RSA603821  Malacothamnus marrubioides Steve Boyd 1997-9-17 10037 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. 915 Comment
  UC205366  Malacothamnus orbiculatus I. M. Johnston 1917-8-22 1673 Los Angeles San Antonio Mountains, Prairie Fork of San Gabriel River 1905 Comment
  RSA670348  Malacothrix californica B. C. Templeton 1931-5-17 1200 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  RSA0091732  Malacothrix clevelandii R. G. Swinney 2011-5-12 14668 Los Angeles east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  UCR232384  Malacothrix coulteri Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-20 8022 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 45 m west of Sierra Highway and 125 m south of Avenue F 703 Comment
  CAS-BOT-BC323292  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles Sandy beach due west of Wall 2, San Clemente Island 9 Comment
  RSA233406  Malacothrix foliosa R. F. Thorne 1966-4-15 36009 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  SEINET2053779 Image available Malacothrix glabrata Norman C. Cooper 1949-4-21 2688 Los Angeles Littlerock. 762 Comment
  UC1929617  Malacothrix glabrata Scott D. White 2003-6-8 9501 Los Angeles W MOJAVE DESERT: Near Lake Los Angeles. North of Avenue O and east of 150th St. E. Comment
  SD255659  Malacothrix saxatilis Ian Cain 2010-5-6 1397 Los Angeles East of Whitter in the Hacienda Heights; 1.08 km south east sof Rose Hills Chinese Temple. 262 Comment
  SEINET3859913  Malacothrix saxatilis R. G. Swinney 2009-4-15 10338 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  POM292650  Malacothrix saxatilis var. tenuifolia Arthur L. Cohen 1934-8-2 4432 Los Angeles Topango [Topanga] Canyon, Malibu Mountain Range, Topango Canyon Watershed. 30 Comment
  SD41991  Malacothrix saxatilis var. tenuifolia Darley F. Howe 1947-5-4 1573 Los Angeles Mint Canyon Comment
  CAS-BOT-BC170379  Malosma laurina Timothy S. Ross 1994-7-19 8173 Los Angeles S base of Indian Hill Mesa, Claremont 396 Comment
  SBBG12014  Malosma laurina E. R. Blakley 1961-9-24 4763 Los Angeles Fourth of July Cove 15 Comment
  SFV2137  Malosma laurina M. L. Vincent 1962-7-10 279 Los Angeles Santa Monica Mountains Piuma Road, 1.5 miles east of Malibu Canyon Road. 220 Comment
  CAS-BOT-BC206651  Malva assurgentiflora Reid Moran; R. M. Beauchamp; T. Oberbauer 1975-8-22 22673 Los Angeles Wilson's Cove, San Clemente Island 50 Comment
  RSA543157  Malva parviflora Tim S. Ross, Mike Hammitt, Orlando Mistretta 1991-5-17 5055 Los Angeles San Clemente Island: At West Cove, SW of the new landing field. 6 Comment
  SEINET3143234  Malva parviflora G. B. Grant 1901-1-1 747 Los Angeles Pasadena. Comment
  UCSB47297  Malva parviflora Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd., 1 mile north of Ganado Dr. Rancho Palos Verdes 335 Comment
  UCR274961  Marah fabacea Michael Honer, Rachel Woodard 2006-4-11 2175 Los Angeles Tehachapi Mountains area, Grazed hills c. 3.5 miles ENE of Quail Lake 976 Comment
  LA33771  Marah macrocarpa Peter H. Raven; 1959-2-15 13790 Los Angeles Santa Monica Mountains, Benedict Canyon, 0.3 mi S of Mulholland Dr 335 Comment
  OBI28057  Marah macrocarpa David J. Keil, Dirk Walters 1977-4-30 12281 Los Angeles On S side of Calif Rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail reservoir Comment
  RSA440962  Marah macrocarpa M. B. Dunkle 1928-11-19 2031 Los Angeles Gallager 's, Santa Catalina Island. Comment
  UC1122846  Marah macrocarpa R. St. John 1933-3-8 346 Los Angeles Dry Canyon Calabasas Quadrangle Comment
  UCR198326  Marah macrocarpa Gary Kovnat, LeRoy Gross 2003-1-19 05 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south descending trail Comment
  UCR210733  Marah macrocarpa R. G. Swinney 2009-1-19 9997 Los Angeles San Gabriel Mtns., Duarte, 1.5 mi. north of Foothill Blvd. at El Encanto Dr., 100-300 m east of Fish Canyon Rd., confluence of Fish Canyon and San Gabriel River 207 Comment
  RSA441000  Marah macrocarpa var. macrocarpa F. R. Fosberg 1931-1-7 7112 Los Angeles Sierra Madre. 300 Comment
  OBI69390  Marrubium vulgare Patrick Byrne, Kelly Moser 1994-5-14 39 Los Angeles Santa Monica Mts, Topanga State Park, topanga, nearentrance at end of Waveview Dr, alongside a dirt fire rd 350 Comment
  SD107904  Marrubium vulgare Larry DeBuhr, Gary Wallace 1972-9-3 704 Los Angeles San Clemente Island; at the base of the canyon at the south end of the cove south of Eel Point. 91 Comment
  UCR90271  Matricaria matricarioides Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  POM321  Meconella denticulata I. Johnston 1917-5-6 1925 Los Angeles Evey Canyon: N of Claremont. 625 Comment
  POM348029  Medicago polymorpha C. B. Liter 1928-04 s.n. Los Angeles Seal Beach. Comment
  LA33948  Medicago sativa Peter H. Raven; Henry J. Thompson 1959-9-19 13719 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach on US 101 [now Pacific Coast Hwy, US 1] 45 Comment
  POM158020  Melica imperfecta M. B. Dunkle 1928-3-31 1791 Los Angeles Cottonwood Canyon, Santa Catalina Island. Comment
  RSA0091541  Melica imperfecta R. G. Swinney 2011-5-26 14856 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA244856  Melica imperfecta F. R. Fosberg 1931-4-29 4719 Los Angeles Santa Catalina Island. Between Cottonwood and Middle Ranch Canyon Comment
  SEINET3245954  Melilotus albus R. G. Swinney 2009-1 11475 Los Angeles Transverse Range; San Gabriel Mtns. : Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. (Mescal Creek 7.5') 2060 Comment
  SFV16230  Melilotus albus L. Peralta 1996-5-13 s. n. Los Angeles Orcas Park off Orcas Road, about 2 miles south. Comment
  POM222456  Melilotus indicus Louis C. Wheeler 1936-6-12 4149 Los Angeles Monroe Canyon. 549 Comment
  POM348191  Melilotus indicus E. Crow 1928-3-7 276 Los Angeles Claremont. Comment
  RSA600805  Mentha Louis C. Wheeler 1968-9-3 s.n. Los Angeles San Gabriel Mountains: Widman Ranch, near house. Comment
  RSA127424  Mentha canadensis Peter H. Raven, H. J. Thompson 1959-10-25 14636 -A Los Angeles Santa Monica Mountains: Arroyo Sequit 1.6 miles north of Coast Highway. 137 Comment
  RSA578990  Mentzelia affinis Tim S. Ross, D. L. Banks, J. Mark Porter, Gery Allan, Vanessa Ashworth, Megan Tommerup 1994-3-28 7431 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; ca 2260 m SE of Inspiration Point and 3160 m WNW of Whites Point. 12 Comment
  SD130298  Mentzelia congesta J. Hershberg, T. Glenn 1990-5-20 Los Angeles Angeles National Forest, near Agua Dulce. 1219 Comment
  RSA578622  Mentzelia laevicaulis Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-6 8092 Los Angeles 'Cottonwood Swamp'': confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 514 Comment
  RSA446768  Mentzelia micrantha Louis C. Wheeler 1933-6-2 1760 Los Angeles Ridge Route near Summit. 1372 Comment
  RSA446774  Mentzelia micrantha H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills Comment
  RSA60194  Mentzelia veatchiana E. K. Balls, L. W. Lenz 1950-3-28 14466 Los Angeles 1 mile east of junction of Hwys 99 and 138, just south of Gorman. 1159 Comment
  RSA402614  Mesembryanthemum crystallinum F. R. Fosberg 1931-7-12 S- 5387 Los Angeles Bird Rock, Santa Catalina Island. Comment
  RSA187912  Mesembryanthemum nodiflorum R. F. Thorne 1966-4-4 35784 Los Angeles Santa Catalina Island: Bird Rock, N of Isthmus Cove. 8 Comment
  CAS-BOT-BC435285  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-3 289 Los Angeles Channel Islands. Santa Barbara Island Comment
  CAS-BOT-BC348449  Micropus californicus var. californicus Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6957 Los Angeles Santa Catalina Island: W end of island beyond the isthmus, head of Bouchette Canyon (draining northward to Johnsons Landing) 359 Comment
  RSA0110202  Microseris lindleyi Richard G. Swinney 2011-5-16 14730 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
  UCR180368  Microseris lindleyi Scott D. White, Pam Devries 2006-5-10 11423 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Road 1098 Comment
  OBI70924  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-26 9327 Los Angeles Liebre Mts Region: Portal Ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview Rd 1134 Comment
  CAS-BOT-BC320513  Mimulus Peter Rubtzoff 1988-10-7 9962 Los Angeles Gold Creek Rd near jctn with Little Tujunga Rd, Little Tujunga Canyon, ca. 2 mi NE of the entrance to Angeles National Forest, or ca. 4 mi NE of jctn of Osborne St & Foothill Blvd., San Gabriel Mountains. 478 Comment
  UCR205616  Mimulus R. G. Swinney 2008-5-12 8832 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA305768  Mimulus aurantiacus James R. Shevock 1970-4-16 113 Los Angeles 1/2 mi W. of Ca. Hwy 27, Topanga Canyon 412 Comment
  RSA537265  Mimulus aurantiacus Fordyce Grinnell Jr. 1910-06 3465 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  UC1922286  Mimulus aurantiacus Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 714 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 12.6'' N 118deg 17' 24.7'' W T2N 518 Comment
  POM8131  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1917-4-3 s.n. Los Angeles Hills near Chatsworth Park. Comment
  UCR208221  Mimulus aurantiacus var. pubescens Fordyce Grinnell Jr. 1910-1 s.n. Los Angeles San Gabriel Mountains, Switzer's Trail Comment
  UCR280498  Mimulus aurantiacus var. pubescens R. G. Swinney 2014-6-5 16702 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  UCR142496  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-2 S- 4451 Los Angeles Channel Islands, Hamilton Canyon, near Avalon, Santa Catalina Island 200 Comment
  LA82049  Mimulus brevipes O. H. Kappler; 1941-5-9 263 Los Angeles Santa Monica Mountains, Las Flores Canyon, near summit 609 Comment
  SFV15501  Mimulus brevipes E. J. Spencer 1992-4-29 19 Los Angeles San Gabriel Mountains Ruby Canyon, east of Lake Hughes Road, 12.4 miles from I-5. 549 Comment
  RSA420675  Mimulus cardinalis Louis C. Wheeler 1931-8-22 11 Los Angeles Puddingstone Lake. 259 Comment
  RSA595807  Mimulus cardinalis Lauren Raz, S. D. Boyd 1996-10-23 44 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  RSA0091542  Mimulus floribundus R. G. Swinney 2011-5-26 14884 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  UCR190091  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  UCR270930  Mimulus floribundus R. G. Swinney 2011-5-26 14884 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
  SEINET3079364 Image available Mimulus fremontii John S. Garth 1948-4-21 C- 2679 Los Angeles Littlerock. 762 Comment
  RSA799676  Mimulus guttatus Pam De Vries 2013-4-5 7820 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 1.5 air miles west of the Gorman offramp on the northbound I5, along Gorman Post Road, north side, roadside ditch. 1097 Comment
  UCR271202  Mimulus guttatus R. G. Swinney 2011-11-1 15974 Los Angeles San Gabriel Mountains, West Fork San Gabriel River Scenic Bikeway, 2.3 miles below (downstream) from Glen Campground, 0.68 miles downstream from Pasadena Bait Club, along FS Rd 2N25 561 Comment
  RSA286432  Mimulus guttatus Mary H. O'Brien 1976-5-2 s.n. Los Angeles Whittier, Whittier Narrows Wildlife Sanctuary 1/3 mi. from headquarters near small lake, slightly sandy soil, fairy packed. Comment
  RSA442760  Mimulus guttatus Samuel R. Tyson 1941-5-22 s.n. Los Angeles San Dimas Canyon 518 Comment
  RSA657444  Mimulus guttatus Gerald Pitto 1980-6-8 46 Los Angeles Verdugo Mountains: 1/4 mile up Cook's Canyon, end of Markridge Road, top of Lowell Ave. La Crescenta. 579 Comment
  SBBG45698  Mimulus guttatus Leota Davidson 1965-5-15 107 Los Angeles Cottonwood Flats Cmpgrd, Elizabeth Cyn, between Castaic and Lake Hughes Comment
  JEPS4684  Mimulus johnstonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4188 Los Angeles upper slopes South Fork Little Rock Creek Canyon (higher n slopes of mts.); San Gabriel Mts., Angeles National Forest 1554 Comment
  UC1409079  Mimulus johnstonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scogin 1972-8-11 42199 Los Angeles near Three Points (along Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA0014594  Mimulus pilosus Orlando Mistretta, Christine Mistretta 2011-6-17 5706 Los Angeles Kentucky Springs Cyn, along Southern California Edison (SCE) transmission line corridor 1.75 miles S of SCE substation at Vincent, W of Angeles Forest Hwy. 1087 Comment
  CAS-BOT-BC388670  Minuartia douglasii Louis C. Wheeler 1932-5-28 789 Los Angeles San Antonio Canyon, San Gabriel Mts. 1280 Comment
  RSA610190  Minuartia douglasii L. C. Wheeler 1933-7-4 1908 Los Angeles San Dimas Canyon 640 Comment
  RSA592233  Mirabilis californica var. californica Louis C. Wheeler 1967-4-30 9245 Los Angeles Limekiln Canyon 549 Comment
  UCR210446  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  UC1311641  Mirabilis laevis var. crassifolia Robert J. Rodin 1953-5-2 5817 Los Angeles just S of White's Cove, Catalina Island Comment
  CAS-BOT-BC434636  Mirabilis laevis var. crassifolia Geo. B. Grant 1901-9-1 s.n. Los Angeles Redondo - bluff near sea. Comment
  RSA0027974  Mirabilis laevis var. crassifolia Louis C. Wheeler 1967-4-30 9213 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR228128  Monanthochloe littoralis R. F. Thorne 1973-1 44715 Los Angeles Channel Islands; Santa Catalina Island, base of Ballast Point in Catalina Harbor 2 Comment
  JEPS63313  Monardella cinerea Frank W. Peirson 1918-6-8 182 Los Angeles Baldy (Mt. San Antonio); San Gabriel Mts. 2286 Comment
  SFV17279  Monardella cinerea W. M. Perry 1980-8-23 88 Los Angeles San Gabriel Mountains Mount Baldy. 1400 Comment
  UCLA63055  Monardella cinerea Mrs. H. E. Wilder 1905-8-1 1928 Los Angeles near summit Mt. San Antonio Comment
  CAS-BOT-BC220129  Monardella exilis Ira L. Wiggins 1966-4-17 20603 Los Angeles To east of Alpine Butte Wildflower Sanctuary, north of Pearblossom. Mohave [Mojave] Desert Comment
  RSA579444  Monardella lanceolata Tim S. Ross, Steve D. Boyd 1994-6-22 8024 Los Angeles Sawmill Mountain: E side of main summit area; ca 570 m E of (5514-ft) summit. 1616 Comment
  RSA0003923  Monardella lanceolata var. glandulifera I. M. Johnston 1918-9-1 2139 Los Angeles San Antonio Mountains: Browns Flat 1311 Comment
  SEINET11263742  Monardella linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains, Vincent Gap.; 0 2012 Comment
  CAS-BOT-BC215611  Monardella linoides subsp. erecta John Thomas Howell 1947-7-18 23409 Los Angeles Blue Ridge, San Gabriel Mts. 2590 Comment
  RSA248895  Monolepis nuttalliana R. F. Thorne 1973-4-12 42952 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  RSA0096429  Montia fontana R. G. Swinney 2011-6-23 15280 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  CAS-BOT-BC108998  Mucronea californica Marcus E. Jones 1882-5-3 3221 Los Angeles Pasadena. Comment
  POM193560  Mucronea californica C. C. Parry 1933-1 262 Los Angeles [San Gabriel Mts] Comment
  RSA593891  Muhlenbergia asperifolia Steve Boyd 1996-4-24 8664 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 Comment
  RSA611888  Muhlenbergia asperifolia L. C. Wheeler 1932-8-2 1107 Los Angeles N Fork San Gabriel River, San Gabriel Mountains 1433 Comment
  RSA177743  Muhlenbergia microsperma R. F. Thorne, P. Everett 1965-5-11 34654 Los Angeles Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. Comment
  SBBG19162  Muhlenbergia microsperma M. A. Piehl 1963-12-7 631038 Los Angeles opposite Pyramid Head on SE tip of island 21 Comment
  UCSB10032  Muilla coronata Haller, John 1958-4-11 Los Angeles 0.2 miles North of Palmdale's Northern City Limit, 3.0 miles S of Avenue M (Lancaster), Los Angeles 6 Comment
  RSA732809  Muilla maritima R. G. Swinney 2000-5-19 7681 Los Angeles San Gabriel Mtns.: San Dimas, SE-facing ridge west of San Dimas Canyon Rd., c. 300 m north of Golden hills Rd. and 400 m west of stream. 512 Comment
  UCR200038  Muilla maritima Valerie Soza, B. Hogshead 2003-4-23 1642 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, ridgetop between Brand Canyon and Childs Canyon 595 Comment
  SBBG16417  Nama demissa D. Myrick 1962-4-10 496 Los Angeles Hwy 6, 2 mi E of Palmdale 822 Comment
  UCR193719  Nama demissa R. G. Swinney 1999-4-5 7062 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 0.6 mi. south of Ft. Tejon Rd. (Ave. Y) on 213th St. East 1207 Comment
  UCSB5302  Nama demissa Haller, John 1957-4-13 Los Angeles On Palmdale Ave.; 0.7 mi. E. of jct. with Calif. 138 and ca. 9 mi. E. of center of Palmdale 762 Comment
  RSA584764  Nassella lepida Timothy S. Ross, Orlando Mistretta 1993-5-27 7325 Los Angeles W end of San Gabriel Mtns: Ridge dropping westward from Loop Canyon Road (at 3060 ft) toward Wilson Canyon. 841 Comment
  UC856870  Navarretia hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UCR209440  Navarretia hamata R. G. Swinney 1969-5-10 461 Los Angeles San Gabriel Mtns., Glendora/Azusa boundary, foothills 0.6 mi. north of Sierra Madre Ave. above Yucca Ridge Ave 351 Comment
  UCR177760  Navarretia hamata subsp. hamata LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1074 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA776556  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-15 5313 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA584393  Nemacladus sigmoideus T. S. Ross 1994-6-21 7994 Los Angeles Vicinity of Pacifico Mountain: saddle between the north fork Tie Canyon on the SW and a major NE-draining tributary of Santiago Canyon on the NE; ca 3160 m NW of Pac. Mtn's 7124-foot summit. 1646 Comment
  SEINET10460868  Nemacladus sigmoideus Thorne THORNE 43359 Los Angeles MOJave Desert Slope 1158 Comment
  RSA596954  Nemophila menziesii Scott D. White, Chet McGaugh 1995-5-9 3017 Los Angeles E edge of Santa Susana Mts., Just W of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): W of San Fernando Road and I-5 Fwy. Just SW of interchange with State Route 14. Sunshine Canyon Landfill property. 457 Comment
  UCR190419  Nemophila menziesii R. G. Swinney 2001-4-18 7892 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  RSA421268  Nemophila menziesii var. integrifolia Robert L. Dressler 1949-6-18 886 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA725200  Nemophila menziesii var. integrifolia Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -71 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  RSA509552  Nemophila menziesii var. menziesii S. J. Myers, Ed LaRue 1989-3-17 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct. San Andreas rift zone bisects the site. 884 Comment
  RSA681266  Nerium oleander Scott D. White 2003-6-2 9442 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  CHSC52842  Nicotiana glauca L. P. Janeway 1988-12-24 3161 Los Angeles Puente Hills, between Whittier and La Puente. In Arroyo San Miguel. Oil company land. 175 Comment
  PASA2136  Nicotiana glauca A. Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA578824  Nicotiana glauca Tim S. Ross, Darin Banks 1994-4-13 7519 Los Angeles San Francisquito Canyon: riparian strip and adjacent lower slopes ca 430 m SW of San Francisquito Powerhouse No. 2 465 Comment
  RSA611983  Nicotiana glauca Valerie L. Soza, Laura Moore 1997-8-16 60 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard. [Coordinates given are] at center of BFS; ca. 10 feet east of fire road. 412 Comment
  RSA657348  Nicotiana glauca S. Campbell 1980-6-4 36 Los Angeles Verdugo Mountains Region: Found on southeastern slope of Verdugo Mountains. 259 Comment
  SEINET157213  Nicotiana glauca K. Devine 2005-7-24 45 Los Angeles Los Angeles Hollywood Hills area.Top of Tullis Dr. off Clearwater Canyon. 121 Comment
  CDA5799  Nicotiana quadrivalvis Phillipson 1915-6-2 Los Angeles Arcadia. Comment
  SEINET10696844  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3978 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10917758  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3958 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  UC26821  Nuttallanthus texanus Harley P. Chandler 1897-3-18 Los Angeles Pomona 304 Comment
  SEINET10923023 Image available Ocimum basilicum Heidi H. Schmidt 1999-10-14 Schmidt 3826 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA458913  Oenanthe sarmentosa L. C. Wheeler 1933-7-7 1918 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA0055090  Oenothera bistorta var. veitchiana Jim Shevock 1971-2-13 661 Los Angeles Mulholland Dr., Los Angeles 609 Comment
  CAS-BOT-BC167050  Oenothera californica W. R. Dudley; F. H. Lamb 1896-6-9 4413 Los Angeles Elizabeth Lake [Canon] Canyon, Liebre Mountains Comment
  RSA230706  Oenothera californica subsp. californica Robert F. Thorne, M. Z. Thorne 1969-7-10 38439 Los Angeles San Gabriel Mountains, Angeles National Forest: N of Jackson Lake 1860 Comment
  RSA575388  Oenothera californica subsp. californica R. G. Swinney 1993-9-11 2651 Los Angeles Wrightwood, jct of Pine Rd & Hwy 2. S side of stream & adjacent to it. 1799 Comment
  CHSC3696  Oenothera deltoides MacArthur 1966-4-28 11 Los Angeles Hughes Lake. 1524 Comment
  UCR256624  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-9-9 13758 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
  SEINET10837691  Oenothera palmeri David B. Dunn 1947-4-16 Dunn 2945 Los Angeles 5 mi e and 2 mi s of palmdale; along power line. Comment
  SDSU8869  Oenothera villosa subsp. strigosa Gerald Collier 1953-6-20 Los Angeles 1/4 mile east Muscatel Ave., 1/8 mile south of Klingerman St., west side of Rio Hondo river. Bottom woodland. San Gabriel. Comment
  UC1007127  Oenothera wolfii P. A. Munz 1937-7-5 14698 Los Angeles Claremont Comment
  RSA3741  Oligomeris linifolia Carl B. Wolf 1932-5-11 3566 Los Angeles Santa Catalina Island. Point west side of Fourth O July Cove. 30 Comment
  CAS-BOT-BC427448  Oligomeris linifolia Dr. H. E. Hasse 1889-9-1 s.n. Los Angeles Bluffs at Santa Monica Comment
  UCR281664  Opuntia R. G. Swinney 2014-6-5 16718 Los Angeles San Gabriel Mountains, Glendora, 0.53 mile north of jct. of Rainbow Drive and Sierra Madre Ave., at south base of ridge 463 Comment
  POM278513  Opuntia basilaris var. treleasei H. G. Rush 1950-5-12 134 Los Angeles Desert side of Big Pines Recreation Area, along Highway, San Gabriel Mountains 1828 Comment
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Feb 4 2019
  SBBG125913  Opuntia basilaris var. treleasei P. DeVries 2013-5-17 7819 Los Angeles ca 3.5 air mi SE of the town of Gorman, 0.75 air mi NNE of Quail Lake Rd off ramp on the 15; hills Eof Gorman Crk, W of Gorman Post Rd 1079 Comment
  RSA122579  Opuntia parryi P. L. Johannsen 1934-2-26 3942 Los Angeles Soledad Canyon. 381 Comment
  POM314676  Opuntia vaseyi J. N. Rose 1908-05 12002 Los Angeles Vicinity of Fernando. Comment
  LA202518  Orobanche bulbosa Carl Epling; L. Ellison 1929-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0078631  Orobanche californica subsp. feudgei Orlando Mistretta 1994-5-31 1276 Los Angeles San Gabriel Mountains. Santiago Canyon. N slope of Pacifico Mountain. 2020 Comment
  RSA0078632  Orobanche californica subsp. feudgei F. W. Peirson 1929-7-1 8435 Los Angeles Aliso Creek, San Gabriel Mts. 1584 Comment
  SEINET13276819 Image available Orobanche fasciculata R. G. Swinney 2011-1 1531 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  RSA278881  Orobanche valida subsp. valida W. P. Armstrong 1979-7-12 s.n. Los Angeles Trail up S Fork of Big Rock Creek, approximately 2.4 km southwest of South Fork Campground. 1707 Comment
  RSA0059345  Orobanche vallicola Lyman Benson 1945-11-5 11910 Los Angeles Claremont. 351 Comment
  RSA0048360  Orthocarpus purpurascens Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga, Anderson's Place, Robinson Road. 274 Comment
  RSA584487  Osmorhiza brachypoda T. S. Ross 1992-5-24 6422 Los Angeles Brown's gulch: draining to San Gabriel Canyon at the base of San Gabriel Dam 502 Comment
  UCR147794  Osmorhiza chilensis Valerie Soza, Laura Moore 2000-6-14 1009 Los Angeles San Gabriel Mountains, Spring at Big Cienega, c. 0.6 mi NE of Deer Flat Campground along S Hawkins Road (FSR 3N07.2) 1982 Comment
  UCR190129  Osmorhiza chilensis R. G. Swinney 1998-10-3 7013 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  CATA3316  Oxalis californica Amy Catalano 2017-3-24 035 Los Angeles Santa Catalina Island: About 0.4 road miles up Middle Ranch Rd. from eastern entrance to Big Field Rd, north side of road, about 150 meters up slope 201 Comment
  SFV21892  Oxalis pes-caprae J. N. Hogue 2011-3-1 s. n. Los Angeles Los Angeles Basin Los Angeles, Eagle Rock. 207 Comment
  UCR106759  Oxalis pes-caprae B. G. Pitzer 1996-5-5 2870 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  RSA640176  Oxytheca parishii Louis C. Wheeler 1964-11-6 8645 Los Angeles San Gabriel Mountains: Cortelyou Springs, Angeles Crest Highway at Crystal Lake turnoff. Comment
  RSA732923  Oxytheca parishii var. parishii R. G. Swinney 1999-8-16 7636 Los Angeles San Gabriel Mtns.:Grandview Canyon, c. 100 m north of Big Pines Highway at All Nations Camp. 1695 Comment
  RSA39634A  Oxytheca trilobata Robin S. Collins 1973-5-28 322 Los Angeles Angeles National Forest; Trail Canyon, 2.5-3 miles into canyon from beginning of pack trail. 884 Comment
  JEPS37243  Packera ionophylla F. W. Peirson 1921-7-17 2511 Los Angeles Prairie Fork San Gabriel Mts., San Gabriel Mts. 2133 Comment
  RSA612201  Paeonia californica B. Campbell 1932-3-19 s.n. Los Angeles Los Alisos Canyon. Comment
  POM368042  Paeonia californica Henry J. Ramsey, Henry J. Ramsey 1937-1-7 371 Los Angeles Altadena: Craig Avenue 396 Comment
  RSA0011210  Paeonia californica Unspecified 1945-06 s.n. Los Angeles Seminole Hot Springs. Comment
  POM171349  Papaver californicum Marcus E. Jones 1928-5-3 s.n. Los Angeles Santa Maria Comment
  CAS-BOT-BC274181  Pappostipa speciosa Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3731 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  UC625124  Parapholis incurva F. R. Fosberg 1931-4-3 S 4476 Los Angeles Pebble Beach Santa Catalina Island (Santa Catalina Island); , Pebble Beach 2 Comment
  SBBG20501  Parietaria hespera var. californica E. R. Blakley 1963-12-7 6336 Los Angeles shallow cyn sloping to ocean, 200 ft N of Lighthouse, N of Pyramid Head 53 Comment
  RSA151011  Parietaria hespera var. hespera Peter H. Raven 1962-5-7 17585 Los Angeles San Clemente Island, 1 mile south of Wilson Cove. 23 Comment
  RSA467323  Parnassia cirrata Thekla Mohr 1915-07 3069 Los Angeles S. Fork San Gabriel River. Comment
  POM368777  Pectocarya linearis subsp. ferocula L. C. Wheeler 1932-4-1 542 Los Angeles San Jose Hills at Pomona 304 Comment
  RSA771853  Pectocarya penicillata R. G. Swinney 2009-5-28 10922 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA681299  Pectocarya penicillata LeRoy Gross, Valerie Soza 2003-5-15 915 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place., Just east of where we started. 366 Comment
  SBBG63496  Pectocarya setosa R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  UCR275007  Pectocarya setosa Michael Honer, Rachel Woodard 2006-4-21 2221 Los Angeles Tehachapi Mountains area:, Slopes above Oso Canyon; c. 2 miles north of Quail Lake; 1.2 miles west of cement plant rd. 1006 Comment
  UCR25158  Pelargonium peltatum Rand Ch. Isbell 1970-5-10 11 Los Angeles Palos Verdes Peninsula, off Palos Verdes Drive South c. 6 mi. from Marineland, on federal land. Within 150 ft. of the ocean 26 Comment
  UC1215285  Pellaea andromedifolia Peter H. Raven 1962-4-11 17304 Los Angeles ca. 1 mi s Wilson Cove; San Clemente Isl 121 Comment
  SEINET9628400 Image available Pellaea andromedifolia L. Shields 1936-3-23 s.n. Los Angeles Puddingstone. Comment
  IRVC26646  Pennisetum clandestinum L. C. Wheeler 1966-10-25 9086 Los Angeles El Encanto, San Gabriel Canyon San Gabriel Mtns. Comment
  CDA2150  Pennisetum purpureum R. J. McCrea 1960-3-15 Los Angeles Floyd Hibbs property, South Los Angeles. 0 Comment
  UCR126232  Pennisetum setaceum A. C. Sanders 2003-3-14 25757 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  CHSC24207  Penstemon centranthifolius T. P. Spira 1976-7-12 63 Los Angeles Chilao Campground, off Angeles Crest Hwy (2). Comment
  RSA171017  Penstemon centranthifolius Robert F. Thorne 1963-7-11 32777 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  RSA599254  Penstemon centranthifolius Steve D. Boyd, Lauren Raz 1997-3-31 9429 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
  NY583855  Penstemon centranthifolius F. A. MacFadden 05 1933 10997 Los Angeles Tejunga Wash, off Radford Street, Roscoe Comment
  CLARK-A1528-4304  Penstemon grinnellii John C. Roos 1937-5-31 758 Los Angeles San Gabriel Mountains Comment
  RSA165696  Penstemon grinnellii subsp. grinnellii Brian C. Miller 1963-6-15 s.n. Los Angeles Singing Springs, Mill Creek Canyon, San Gabriel Mountains. 1220 Comment
  RSA586975  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-5-23 1722 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. West side tributary drainage NE of Pacifico Mtn. 1616 Comment
  NY601612  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles Route 99, mountain slope east of Frenchman's Flat 731.5 Comment
  NY601641  Penstemon heterophyllus var. australis I. W. Clokey 05 1929 4522 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  NY601673  Penstemon heterophyllus var. australis F. W. Johnson 1913-9-7 1537 Los Angeles Echo Mountain, Altadena 1066.8 Comment
  SBBG54519  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles slope E of Frenchman's Flat Comment
  UCR272968  Penstemon labrosus R. G. Swinney 2011-7-29 15579 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCR43317  Penstemon labrosus David Charlton 1986-6-15 0291 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA597378  Penstemon rostriflorus Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3706 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon. 1939 Comment
  RSA674752  Penstemon rostriflorus Scott D. White, Sandra Leatherman 2001-7-25 8729 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
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Jan 5 2010
  UCR124763  Penstemon rostriflorus B. C. Templeton 1932-8-26 5100 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  UCR141070  Penstemon rostriflorus June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR209683  Penstemon spectabilis Dan S. Cooper 2009-5-13 509- 30 Los Angeles Eastern Santa Monica Mtns., Los Angeles, Griffith Park, along Mulholland Hwy. above Brush Canyon 363 Comment
  SD52439  Penstemon spectabilis var. subviscosus Skip Stone May 1952 51 Los Angeles Blanchard Park, Claremont, Mt. Range: San Gabriel, Pac. slope drainage 334 Comment
  UCR270676  Pentagramma triangularis R. G. Swinney 2011-11-1 15948 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  CAS-BOT-BC71668  Pentagramma triangularis subsp. triangularis Le Roy Abrams 1999-3-11 s.n. Los Angeles Millards Canyon Comment
  LA94183  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-12 1673 Los Angeles SANTA MONICA MOUNTAINS, Encinal Canyon, ca 1.5 mi E of junction with Hwy 23 on Encinal Canyon Rd. 365 Comment
  UCSB62232  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-4-16 Los Angeles Santa Monica Mtns., Russell Valley, ca. 2 mi. w. of Kanan Rd., cyn. so. of hwy. 101 304 Comment
  SD41964  Perityle emoryi Darley F. Howe 1947-3-22 Los Angeles Santa Monica Comment
  LA200252  Perityle emoryi Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4617 Los Angeles Santa Monica Mountains, Sequit Point, above point Comment
  SFV17084  Petroselinum crispum J. N. Hogue Jul 1997 s. n. Los Angeles Los Angeles, Eagle Rock. 152 Comment
  RSA426112  Phacelia E. S. Spalding 1924-5-8 s.n. Los Angeles Manhattan Beach. Comment
  RSA0098824  Phacelia brachyloba R. G. Swinney 2011-6-14 15142 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA0116169  Phacelia brachyloba R. G. Swinney 2011-6-15 15208 Los Angeles San Gabriel Mountains; Chilao Flat, north of south entrance road to Chilao Flat Campground, 0.1 mile west of Angeles Crest Hwy. 1631 Comment
  RSA387229  Phacelia brachyloba T. Reeves 1975-5-18 R 2671 Los Angeles 2.7 mi NE of La Canada on Hwy 2. Comment
  VVC265  Phacelia cicutaria P. J. MacKay 1975-5-10 s.n. Los Angeles San Gabriel Mtns., Hwy N4, ca 1 mile north of Mile High, 2040 Comment
  LA38559  Phacelia cicutaria var. hispida Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA38795  Phacelia cicutaria var. hispida Henry J. Thompson; 1959-5-24 1993 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA187967  Phacelia cicutaria var. hispida Robert F. Thorne 1966-4-5 35864 Los Angeles Santa Catalina Island, Cottonwood Canyon. 107 Comment
  RSA427628  Phacelia cicutaria var. hispida M. B. Dunkle 1929-4-13 2119 Los Angeles Little Gibralter, Santa Catalina Island. Comment
  SD38325  Phacelia cicutaria var. hispida Edith A. Purer 1931-5-8 Los Angeles Griffith Park Comment
  SEINET13203255 Image available Phacelia cicutaria var. hispida R. G. Swinney 2011-1 14477 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  UC1587644  Phacelia cicutaria var. hispida Tim Ross 1991-4-21 4558 Los Angeles risdgetop on n side Turnbull Canyon; Whittier Hills (Puente Hills, pro parte) 294 Comment
  UC457250  Phacelia cicutaria var. hispida Carl Epling 1931-4-25 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  IRVC27958  Phacelia cicutaria var. hubbyi A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26115 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  POM310392  Phacelia cicutaria var. hubbyi Margaret Hardinge 1946-3-28 159 Los Angeles Hills west of Pomona 366 Comment
  UC73685  Phacelia ciliata var. ciliata Geo. B. Grant June 1902 962 Los Angeles Garvanza Comment
  JEPS8605  Phacelia davidsonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4182 Los Angeles junction of road to Horse Flat Public Camp and main (paved) road from Upper Chilao Recreation Area; San Gabriel Mountains, Angeles National Forest 1828 Comment
  RSA630748  Phacelia davidsonii Louis C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  UC107360  Phacelia davidsonii A. J. McClatchie 1896-5-25 Los Angeles Wilson's Peak Comment
  UCR189724  Phacelia davidsonii R. G. Swinney 1998-7-10 6377 Los Angeles San Gabriel Mtns., Prairie Fork, near Cabin Flats Campground 1622 Comment
  SEINET3245998  Phacelia distans R. G. Swinney 2009-1 10819 Los Angeles Transverse Range; San Gabriel Mtns. Foothills: Juniper Hills, upper IndianBill Canyon, a narrow mile long canyon draining north from west end of Pleasant View Ridge. Juniper Hills. 437 Comment
  OBI13821  Phacelia distans Bill Arbaugh 1966-4-26 33 Los Angeles W on 138 from Lancaster 762 Comment
  RSA615711  Phacelia distans Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: North of Mill Canyon off Soledad Canyon near Ravennna. 716 Comment
  LA205634  Phacelia douglasii F. R. Fosberg; 1932-3-28 8064 Los Angeles El Segundo 4 Comment
  SBBG108908  Phacelia floribunda S. A. Junak 1997-3-11 SCl 744 Los Angeles Sibara Ridge overlooking Pyramid Cove, ca. 0.25 mi S of Triangulation Pt Guds 164 Comment
  SBBG108996  Phacelia floribunda S. A. Junak 1996-5-19 SCl 499 Los Angeles Middle Ranch Cyn 106 Comment
  SBBG125856  Phacelia fremontii A. Parikh, N. Gale 2010-6-2 3249 Los Angeles Sierra Pelona, 3.9 km W of State Hwy 14, 2.1 km SW of California Aqueduct; E Liebre Mts 1114 Comment
  SBBG27171  Phacelia hastata V. Duran 1933-7-25 3533 Los Angeles Buckhorn 1981 Comment
  UC56893  Phacelia hubbyi W. A. Setchell 1901-3-13 Los Angeles Elysian Park Los Angeles Comment
  UCR270034  Phacelia imbricata R. G. Swinney 2011-7-21 15530 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  SEINET12280247  Phacelia imbricata E. A. Purer 1935-1 6581 Los Angeles Malibou Road, Santa Monica Mts Comment
  UC1046922  Phacelia imbricata L. R. Heckard 1953-6-15 510 Los Angeles about 5 mi s Acton; Northern foothills of San Gabriel Mountains, Arrastre Canyon 914 Comment
  UC55297  Phacelia imbricata subsp. imbricata J. H. Barber 1897-4-20 145 Los Angeles Pomona Comment
  JEPS5199  Phacelia longipes L. R. Heckard, R. Bacigalupi, G. T. Robbins 1953-6-15 508 Los Angeles San Gabriel Mts., in Pacoima Canyon, near juncture of North Fork of Pacoima Creek with Pacoima Creek Pacoima Canyon; San Gabriel Mts., Pacoima Canyon 1066 Comment
  RSA112765  Phacelia longipes H. D. Ripley 1940-4-26 2967 Los Angeles San Gabriel Canyon above Azusa. Comment
  RSA582235  Phacelia longipes Louis C. Wheeler 1933-5-5 1696 Los Angeles San Gabriel Mountains: Fish Canyon. 305 Comment
  RSA629691  Phacelia longipes Scott D. White, Dave Bramlet 1998-8-11 7046 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
  UC1584235  Phacelia longipes Tim Ross and Steve Boyd 1990-6-6 2878 Los Angeles Piru Pond Los Padres National Forest, Liebre Mtn USGS 7.5' quadrangle (sw edge) 644 Comment
  SEINET6095585  Phacelia longipes Scott D. White 1998-6-29 6831 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Apr 20 2016
  POM147455  Phacelia lyonii Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  UCSB5405  Phacelia minor H., J. 1934-5-25 Los Angeles San Dimas Exp. Forest; Sec. 1, T1N, R9W 792 Comment
  CAS-BOT-BC145074  Phacelia mohavensis Frank W. Peirson 1922-7-5 3164 Los Angeles On Mescal Creek, 1 mile west of Big Pines, San Gabriel Mts. Comment
  RSA428166  Phacelia ramosissima var. austrolitoralis R. F. Folger 1929-11 s.n. Los Angeles Playa del Rey. Comment
  SBBG18905  Phacelia tanacetifolia F. E. Clements 1918-5-27 Los Angeles 4 mi NW of Palmdale Comment
  SEINET4044560  Phacelia viscida D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UCR127211  Phacelia viscida A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26275 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  CATA1798  Phalaris aquatica Benjamin E. Carter 2012-8-23 6982 Los Angeles Santa Catalina Island: Middle Ranch Canyon, at Pump Station 2 310 Comment
  CAS-BOT-BC250592  Phalaris minor E. R. Blakley 1962-6-9 5205 Los Angeles Canyon west of road, 2 1/2 miles north of China Point. San Clemente Island 213 Comment
  POM356921  Phalaris minor Howard Mullins 1931-5-5 s.n. Los Angeles Los Angeles, city lot Comment
  RSA469918  Phlox diffusa B. C. Templeton 1932-5-31 5056 Los Angeles Big Pines Park, San Gabriel Mountains 2092 Comment
  RSA435593  Pholisma arenarium Bonnie C. Templeton 1938-8-31 6514 Los Angeles Dune Ravine, El Segundo 10 Comment
  RSA459247  Pholistoma auritum Robert M. Perkins 1936-3-16 s.n. Los Angeles Santa Monica Mts. Comment
  SBBG64820  Pholistoma membranaceum R. Hoffmann 1932-4-26 Los Angeles Harold Comment
  RSA459312  Pholistoma racemosum M. B. Dunkle 1929-3-17 2067 Los Angeles Black Jack; Santa Catalina Island. Comment
  SBBG95204  Pholistoma racemosum M. B. Dunkle 1928-3-31 1773 Los Angeles Little Harbor Comment
  SBBG96995  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4394 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  CHSC3735  Phoradendron Sue Boergadine 1966-5-26 Los Angeles Switzer's Camp 762 Comment
  RSA603592  Phoradendron libocedri Louis C. Wheeler 1949-10-9 6754 Los Angeles San Gabriel Mountains: Pine Flats, North Fork San Gabriel River. Comment
  RSA420806  Phoradendron macrophyllum L. E. Hoffman 1932-2-27 s.n. Los Angeles Big Rock Creek Comment
  RSA602968  Phoradendron macrophyllum Louis C. Wheeler 1972-12-30 12805 Los Angeles San Gabriel Mountains: Cattle Canyon. Comment
  CAS-BOT-BC141157  Phoradendron serotinum subsp. macrophyllum N. Dunn; J. Ewan 1931-12-6 5558 Los Angeles Stone Canyon, above the lake. Santa Monica Mts. Comment
  CAS-BOT-BC141299  Phoradendron serotinum subsp. tomentosum Timothy S. Ross; Steve Boyd 1994-9-21 8317 Los Angeles Sanberg: 150-170 m SSE of town along the Old Ridge Route. Liebre Mountains 1277 Comment
  POM354332  Phoradendron villosum Louis C. Wheeler 1932-4-9 581 Los Angeles Kings Canyon near Elizabeth Lake. 1037 Comment
  UC1871046  Phoradendron villosum T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3917 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  UCR150956  Phoradendron villosum Sandra L. Leatherman, Brian Daniels 1998-11-10 61 Los Angeles Transverse Ranges; Liebre Mtns, Bouquet Canyon: Directly west of the intersection of Bouquet Canyon Road and Vasquez Canyon Road 488 Comment
  UCR138712  Physalis philadelphica L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mtns, Mountain Brook Ranch 1159 Comment
  RSA717152  Pinus canariensis LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2591 Los Angeles South side of the range. Park on Via Montana at end of Olive Ave, in the city of Burbank. Follow an old road that is overgrown so that a faint trail is all thats left. Sunset Canyon on the west and Story Canyon to the east. 366 Comment
  MACF015658  Pinus flexilis F. A. MacFadden 1936-9-6 14743 Los Angeles Lake Arrowhead, California Comment
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Jun 5 2015
  RSA800795  Pinus jeffreyi Jane Tirrell 2012-8-20 LS 0153 Los Angeles South side of California State Route 2 approx. 1.5 miles west of Dawson Saddle; 100 meters east of mile marker 67.86. 2314 Comment
  CAS-BOT-BC78866  Pinus monophylla Geo. B. Grant 1902-6-1 268 Los Angeles unspecified 1828 Comment
  RSA169006  Pinus ponderosa Mark Parratt 1964-4-8 620 Los Angeles Charlton Flats Recreation Area; Angeles Crest Highway 1616 Comment
  UCR23372  Pinus ponderosa John C. Roos 1947-5-31 3669 Los Angeles San Gabriel Mountains, Big Pines 2134 Comment
  CATA1929  Pinus radiata Amy Catalano, Anne Kelly 2014-10-14 021 Los Angeles Santa Catalina Island: Middle Canyon Road 271 Comment
  POM122776  Piperia cooperi Marcus E. Jones 1926-5-7 s.n. Los Angeles Claremont. 365 Comment
  CHSC100202  Piptatherum miliaceum John Dittes; Josephine Guardino 2006-11-26 1435 Los Angeles Western Transverse Range; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; moist sand at edge of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  RSA550711  Piptatherum miliaceum Timothy S. Ross, Annette H. Ross 1991-7-29 5708 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA573462  Piptatherum miliaceum Timothy S. Ross 1992-5-8 6304 Los Angeles Glendora Ridge Road; N side of ridge at head of un-named E fork of Oak Canyon. 1015 Comment
  RSA588611  Piptatherum miliaceum Orlando Mistretta 1994-5-23 1241 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  UCR129387  Piptatherum miliaceum L. C. Wheeler 1933-9-10 2104 Los Angeles San Gabriel Mtns., Santa Anita Canyon 534 Comment
  CAS-BOT-BC135934  Pittosporum undulatum Tim Ross 1993-4-23 6931 Los Angeles Santa Catalina Island - SW part of the island in Middle Canyon; riparian strip ca 30 m SE of Eagles' Nest Lodge; Collected near Eagles Nest Lodge, but plants of various sizes seen naturalized along the riparian area between here and Middle Ranch 144 Comment
  CSUSB2113  Pityrogramma triangularis Keith Thompson 1969-12-13 s.n. Los Angeles Evey Canyon 731 Comment
  RSA589275  Plagiobothrys arizonicus T. S. Ross 1991-4-28 4762 Los Angeles Adobe Mountain: Southwesterly extension of the mountain. 926 Comment
  RSA682502  Plagiobothrys arizonicus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA726044  Plagiobothrys arizonicus R. G. Swinney 1998-4-14 6021 Los Angeles San Gabriel Mtns./Southern Mojave Desert: mouth of Mescal Canyon, c. 50 m SE of Mescal Canyon Reservoir, west side of stream. 1476 Comment
  RSA661097  Plagiobothrys collinus var. gracilis Orlando Mistretta 1992-4-5 209 Los Angeles Guds, San Clemente Island. Comment
  RSA0121220  Plagiobothrys nothofulvus Richard Kirtland 1928-3-28 14752 Los Angeles Palos Verdes Hills Comment
  UCD124377  Plantago arenaria Scott D. White; Pam Devries 1998-4-19 6283 Los Angeles Santa Fe Flood Control Basin (on the San Gabriel River). 54 Comment
  SBBG128223  Plantago coronopus M. L. Hoefs, S. A. Junak, R. Philbrick 2001-5-18 3175 Los Angeles near rd between Cottonwood Cyn and Black Jack Cmpgrd 225 Comment
  RSA592415  Plantago coronopus Mark Hoefs 1974-5-2 453 Los Angeles Santa Catalina Island. dry reservoir margin by road above Parson's Landing 30 Comment
  POM243770  Plantago erecta F. R. Fosberg 1931-4-23 S- 4689 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  POM61309  Plantago erecta L. R. Abrams 1903-4-10 3241 Los Angeles Near Mesmer. Comment
  RSA598093  Plantago erecta Steve Boyd, Lauren Raz 1997-3-4 9142 A Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  RSA166572  Plantago erecta W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Canyon Comment
  SEINET6089751  Plantago erecta Unknown 1975-5-14 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA187857  Plantago major Robert F. Thorne 1966-6-1 36485 Los Angeles Santa Catalina Island: site of razed St. Catherine's Hotel, N of Avalon. 5 Comment
  RSA720474  Plantago major R. G. Swinney 1997-9-6 5872 Los Angeles Jackson Lake W of Wrightwood 1875 Comment
  SBBG19218  Plantago ovata var. insularis M. A. Piehl 1963-12-7 631040 Los Angeles opposite Pyramid Head on SE tip of island 21 Comment
  UCR204425  Platanthera R. G. Swinney 2001-9-15 8186 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  SFV22009  Platanus racemosa V. Soza, L. Gross, R. Kopelov 2000-3-30 668 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. South-facing canyon. 518 Comment
  UCD143186  Platanus racemosa Louis C. Wheeler 1946-8-27 6263 Los Angeles San Gabriel Mountains, Sandrock Creek at Pear Blossom Highway, near confluence of Sandrock Creek and Big Rock Creek; 1/4 mile southeast of Big Rock Patrol Station. 1112 Comment
  SEINET10530979  Platycladus orientalis David B. Dunn 1939-10-25 Dunn UMO 46533 Los Angeles Ornamental plants collected in the vicinity of Orange Dr. and Colorado Blvd., Pasadena. 274 Comment
  LA104035  Platystemon californicus Barry A. Prigge; 1986-4-20 7017 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  RSA18339  Platystemon californicus Carl B. Wolf 1926-5-1 493 Los Angeles 3 miles W of San Fernando Comment
  RSA722430  Platystemon californicus E. Culver s.n. Los Angeles San Fernando Valley. Comment
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Apr 17 2016
  UCR271469  Plectritis ciliosa R. G. Swinney 2011-5-3 14558 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  CATA1401  Pluchea odorata Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2543 Los Angeles Santa Catalina Island: Lower road to Salta Verde Beach 15 Comment
  CAS-BOT-BC254899  Poa bulbosa Timothy S. Ross; Steve Boyd 1992-4-25 3493 s Los Angeles San Gabriel Mountains: Camp Verdugo Pines Comment
  UCR179725  Poa pratensis R. G. Swinney, Dave Larson 1996-7-17 5149 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  RSA258397  Poa pratensis C. W. Tilforth 1974-6-15 973 Los Angeles Found only at Home Demonstration Garden, probably brought in with purchased soil Comment
  SACT001963  Poa scabrella Louis Wheeler 1932-4-9 Los Angeles About low shrubs on sandy desert. Fairmont. Comment
  CAS-BOT-BC237687  Poa secunda V. W. Steinman 1996-4-7 824 Los Angeles San Gabriel Mountains, ca. 1 km from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail 1350 Comment
  POM6657  Poa secunda P. A. Munz, G. Williams, L. T. Street 1919-4-5 2433 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  CAS-BOT-BC236194  Poa secunda subsp. secunda Geo. B. Grant 1903-6-10 s.n. Los Angeles Summit of Mount Wilson 1828 Comment
  RSA618789  Poa secunda subsp. secunda L. C. Wheeler 1973-4-20 s.n. Los Angeles San Gabriel Mountains: Aliso Canyon approximately 1/2 mile east of Blum Ranch 945 Comment
  UC76931  Poa secunda subsp. secunda J. Burtt Davy May 9 1896-May 24 1896 2465 Los Angeles Manzana; Antelope Valley Comment
  HSC87802  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena, McCaskill Gardens, 25 South Michillinda Avenue. Comment
  UCR199991  Polygonum arenastrum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains, near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Motorway 473 Comment
  CDA2830  Polygonum arenastrum Robert Gustafson 1981-4-29 2224 Los Angeles Ballona Wetlands, Area 2 along the Centinella drainage ditch west of Lincoln Blved. 0 Comment
  UC905077  Polygonum argyrocoleon John Thomas Howell 1948-7-2 24770 Los Angeles Palos Verdes Hills Comment
  UCR259458  Polygonum aviculare R. G. Swinney 2010-9-7 13710 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA608023  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  LA94069  Polypodium californicum Lawrence L. Kiefer; 1966-3-27 1806 b Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  POM158007  Polypodium californicum M. B. Dunkle 1928-3-11 1720 Los Angeles Silver Canyon, Santa Catalina Island 168 Comment
  SD49391  Polypodium californicum Reid Moran 1959-3-9 7159 Los Angeles Eel Point, San Clemente Island 20 Comment
  UCSB62284  Polypodium californicum Kiefer, Lawrence 1967-5-27 Los Angeles San Gabriel Mtns., Devil's Canyon-Bear Canyon Wild Area, Devil's Canyon, ca. 1mi below Devil's Canyon Camp 1066 Comment
  RSA723320  Polypogon interruptus LeRoy Gross, Casey Schnyder 2007-5-21 2743 Los Angeles Southern front of the mountains. Along Van Tassel Road (1N36). Road survey for the National Forest. 274 Comment
  SBBG128765  Polypogon interruptus M. L. Hoefs 1995-5-23 2131 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  CATA133  Polypogon monspeliensis Peter Henrikson 1987-5-18 100 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  RSA483708  Polypogon monspeliensis Richard Noyes, L. Arnseth 1988-4-30 528 Los Angeles 100 meters E of Thompson Creek Dam 500 Comment
  SD72832  Polypogon monspeliensis F. R. Fosberg 1931-5-2 S 4738 Los Angeles Santa Catalina Island; Middle Ranch Dam, in running stream 199 Comment
  LA10113  Polypogon monspeliensis H. M. Plunkett; A. M. Johnson 1932-5-5 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  RSA573737  Polystichum imbricans subsp. imbricans T. S. Ross 1992-7-17 6718 Los Angeles San Gabriel Mtns: Summit of Condor Peak. 1645 Comment
  RSA693294  Polystichum imbricans subsp. imbricans Robin S. Collins 1973-5-28 302 Los Angeles Angeles National Forest: Trail Canyon, ca. 3 miles into canyon from beginning of pack trail. 976 Comment
  RSA464677  Portulaca oleracea Freda Detmers 1932-7-19 s.n. Los Angeles 2600 block of Hoover St. Comment
  CAS-BOT-BC267151  Potamogeton foliosus A. D. E. Elmer 1902-6-1 3503 Los Angeles Lancaster Comment
  UCR259463  Potamogeton nodosus R. G. Swinney 2010-9-7 13711 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA777523  Potentilla glandulosa R. G. Swinney 2009-5-20 10840 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UCR189969  Potentilla glandulosa R. G. Swinney 1998-8-31 6873 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR99436  Potentilla gracilis R. G. Swinney 1995-9-4 4498 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  RSA85732  Potentilla gracilis var. fastigiata F. W. Peirson 1922-7-5 3165 Los Angeles Big Pines Meadow, north side of San Gabriel Mountains 2073 Comment
  NY689143  Potentilla multijuga H. E. Hasse 06 1893 s.n. Los Angeles Near Los Angeles. Comment
  UC1211136  Prunus ilicifolia subsp. lyonii Huron H. Smith 1912-5-29 5017 Los Angeles Santa Catalina Island, Summit Road Santa Catalina Island; , Summit Road 335 Comment
  RSA562003  Prunus lyonii M. S. Lyon 1884-07 s.n. Los Angeles Santa Catalina Island. Comment
  RSA578644  Prunus virginiana var. demissa Tim S. Ross 1994-4-28 7568 Los Angeles Grass Mountain: northeast summit (ca 4560 ft) 1387 Comment
  RSA0022252  Pseudognaphalium californicum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5115 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CATA1807  Pseudognaphalium microcephalum Benjamin E. Carter 2012-8-23 6991 Los Angeles Santa Catalina Island: Airport Road, about 1/2 mile north of Middle Ranch Road 395 Comment
  CAS-BOT-BC357301  Pseudognaphalium microcephalum Geo. L. Moxley 1927-5-1 s.n. Los Angeles La Crescenda Comment
  UC729467  Pseudognaphalium stramineum Carl B. Wolf 1932-5-10 3517 Los Angeles above the Last Almond Orchard; Santa Catalina Island, Avalon Canyon 121 Comment
  RSA251396  Psilocarphus brevissimus R. F. Thorne 1966-4-17 36087 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  RSA533934  Psilocarphus tenellus Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5219 Los Angeles San Clemente Island: south-east end of island in the vicinity of Knob, 5100 feet NW of Guds. 271 Comment
  LA200261  Psilocarphus tenellus var. tenellus A. M. Johnson; 1935-4-26 4572 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  SFV51  Pteridium aquilinum var. pubescens F. R. Rickson 1961-7-31 3 Los Angeles San Gabriel Mountains Buckhorn Camp. 2287 Comment
  RSA584883  Pteridium aquilinum var. pubescens T. S. Ross, Steve Boyd 1990-6-1 2782 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  CDA5116  Punica granatum A. C. Sanders, Dan Malueg 2001-5-17 24346 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 Comment
  RSA316366  Purshia tridentata var. glandulosa Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54993 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  RSA678136  Pyracantha fortuneana Valerie L. Soza, Monica Acosta 2001-6-28 1306 Los Angeles Transverse Ranges, San Gabriel Mountains region: Mouth of El Prieto Canyon, along FS Road 2N66, lower El Prieto trailhead. [Coordinates given for Pasadena.] 396 Comment
  CAS-BOT-BC45779  Quercus Lee Sowden 1926-10-2 s.n. Los Angeles Mt. Lowe near Pasadena, at summit 1341 Comment
  CAS-BOT-BC45822  Quercus F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon, near Pasadena, San Gabriel Mts. Comment
  SBBG31297  Quercus X macdonaldii R. F. Thorne 1966-9-15 Los Angeles Cape Cyn near small reservoir 320 Comment
  UCD21512  Quercus X macdonaldii Janet Takahara 1992-5-16 s.n. Los Angeles Santa Catalina Island, near Avalon. Black Jack Campground, next to tool shed. Comment
  CAS-BOT-BC45630  Quercus agrifolia Timothy S. Ross; Steve Boyd 1994-9-20 8265 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  UCD45008  Quercus agrifolia A. D Gifford 1935-3-15 477 Los Angeles 2 1/2 miles southwest of Red Mountain. Altitude 1700 feet. 518 Comment
  RSA0114809  Quercus agrifolia var. agrifolia R. G. Swinney 2011-10-25 15883 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
  UCR270082  Quercus agrifolia var. agrifolia R. G. Swinney 2011-3-17 14111 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  UCSB34823  Quercus agrifolia var. agrifolia Lloyd, Robert 1959-3-3 Los Angeles Ganesha Hills near corner of Hillcrest and North Hill Rd. north of Pomona 274 Comment
  CDA21843  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 miles west of Palmdale, beside road to Elizabeth Lake. 0 Comment
  POM18619  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  UCR191291  Quercus berberidifolia T. B. Salvato 2008-4-22 3306 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  UCSB68624  Quercus berberidifolia Gross, LeRoy 2000-11-12 Los Angeles Verdugo Mountains: Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway 411 Comment
  RSA476879  Quercus chrysolepis Blanche Trask 1900-04 d.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SFV20845  Quercus chrysolepis L. Gross 2003-3-1 751 Los Angeles Verdugo Mountains South side of Verdugo Mountains along Stough Canyon Motorway (dirt road), past the nature center. 509 Comment
  UCD45439  Quercus chrysolepis James Bartolome 1990-3-14 s.n. Los Angeles San Clemente Island; in steep canyon on eastern coast of island, elevation ca. 1200-1400 feet. 365 Comment
  UCR178060  Quercus chrysolepis LeRoy Gross 2003-3-1 751 Los Angeles Transverse Ranges: Verdugo mountains Region, South side; Along Stough Canyon Motorway (dirt road). Pass the nature center. 509 Comment
  UCR227755  Quercus chrysolepis R. F. Thorne, M. Z. Thorne 1966-5-31 36420 Los Angeles Channel Islands, Santa Catalina Island, ridge running from south end of Mt. Orizaba, south side of south fork of Fern Canyon 488 Comment
  UCR187115  Quercus douglasii A. C. Sanders 2006-5-16 32365 Los Angeles Transverse Range; Liebre Mtns. Region, south of Hwy 138, 1.5 mi. ESE of Quail Lake in the San Andreas Rift Zone, NE of the Old Ridge Route 1037 Comment
  CAS-BOT-BC86372  Quercus dumosa Fordyce Grinnell 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  UC5590  Quercus dumosa W. H. Brewer Feb 1861 167 Los Angeles San Gabriel Comment
  UCSB28146  Quercus durata Lloyd, Robert 1959-10-2 Los Angeles 11 miles north of Glendora on Glendora Mtn. Rd., San Gabriel Mts. 944 Comment
  RSA752690  Quercus durata var. gabrielensis Duncan S. Bell, Shawn Overstreet 2009-9-29 473 Los Angeles Webb Canyon, just north of the bridge along Webb Canyon Road. 428 Comment
  UCD45998  Quercus durata var. gabrielensis Gary D. Cromwell; David W. Wheat 1971-4-21 564 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora, Calif. Comment
  RSA682297  Quercus durata var. gabrielensis R. E. Riefner Jr. 2000-8-29 760 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
  CAS-BOT-BC94161  Quercus engelmannii Louis C. Wheeler 1931-10-11 252 Los Angeles Thompson Wash 3 mi NE La Verne 403 Comment
  RSA747750  Quercus engelmannii Scott D. White, J. Wood, J. Miner 2009-5-12 12701 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCD46016  Quercus engelmannii Robert F. Thorne; P. Everett 1965-5-12 34611 Los Angeles Bulrush Canyon, Santa Catalina Island; elev. 800'. 243 Comment
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Mar 28 2014
  UCSB27874  Quercus engelmannii Gill, Robert 1959-3-12 Los Angeles 1400 Rancho Dr., Monrovia 152 Comment
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Oct 30 2014
  RSA595640  Quercus garryana var. breweri Steve Boyd, Lauren Raz 1996-10-8 9007 Los Angeles Liebre Mountains region, upper southerly flank of Martindale Canyon, just up from Willow Spring on Forest Service Road 6N08, ca. 0.2 miles northwest of the junction with 6N07. 1402 Comment
  RSA584110  Quercus john-tuckeri Tim S. Ross 1990-6-11 3000 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  CAS-BOT-BC105258  Quercus kelloggii Le Roy Abrams; E. A. McGregor 1908-7-2 604 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 2133 Comment
  CATA42  Quercus pacifica USC Wrigley Interns: Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 23 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  SBBG128309  Quercus pacifica M. Zou, A. Cheung, D. Kasang, S. Lawrence-Gomez, S. Ratay 2011-7-8 23 Los Angeles Deer Valley Trail 62 Comment
  POM296972  Quercus tomentella Karen Hosterman 1957-4-8 959 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  UCR86532  Quercus tomentella T. S. Ross, Elizabeth A. Kellogg 1992-4-12 6126 A Los Angeles San Clemente Island, 110 degrees ESE, 480-600m from Vista (point), at the head of Grove Canyon 495 Comment
  SEINET7072898  Quercus turbinella A. G. Vestal 1963-5-22 s.n. Los Angeles San Gabriel Range Mountains southeast of Bobs Gap on Big Pines Road. Coordinate datum: WGS84/NAD83. (34? deg. 24' 59" North Latitude, -117? deg. 68' 56" West Longitude; UTM Zone 11, 428121mE, 3808400mN, Coordinate datum: NAD27.). Comment
  CAS-BOT-BC104856  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-20 8245 Los Angeles Liebre Mountains. Upper Bouquet Canyon: ca 2225 , WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road 993 Comment
  SEINET13387013 Image available Quercus wislizeni var. frutescens R. G. Swinney 2011-1 15167 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  RSA802429  Quercus wislizeni var. wislizeni Orlando Mistretta, Cher Batchelor 2011-7-27 5994 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA0087090  Rafinesquia californica R. G. Swinney 2010-6-21 13295 Los Angeles 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
  RSA632432  Rafinesquia californica Valerie L. Soza, Kent Hughes 1999-7-1 607 a Los Angeles San Gabriel Mountains: Van Tassel Ridge, off Van Tassel Ridge road, vicinity of Mt. Bliss. 1036 Comment
  UCR127183  Rafinesquia californica A. C. Sanders 2003-6-20 26996 Los Angeles Western Transverse Range/Santa Clara River Watershed, 'Off-haul Canyon' between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and c. 1 km NNW of Mayo Spur, Newhall Ranch 366 Comment
  CDA8525  Rafinesquia californica T. C. Fuller, T. Suzuki 1958-5-9 s.n. Los Angeles Highland Drive & Flintridge, near La Canada. 0 Comment
  RSA681346  Rafinesquia californica LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 952 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
  RSA472454  Rafinesquia neomexicana Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  UCSB34480  Ranunculus aquatilis var. diffusus Cummings, Chuck 1965-4-27 Los Angeles Above Little Rock Dam 1066 Comment
  UC303095  Ranunculus californicus Marcus E. Jones, A. M. 1882-5-3 3220 Los Angeles Pasadena Comment
  UCD169677  Ranunculus cymbalaria Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1996 Comment
  RSA0086851  Ranunculus hebecarpus R. G. Swinney 2011-3-5 14561 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  SEINET3161113  Ranunculus hebecarpus G. B. Grant 1110 Los Angeles Pasadena Comment
  LA32256  Raphanus sativus Peter H. Raven; Henry J. Thompson 1959-6-4 14320 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA651173  Raphanus sativus Eleanor McClung 1937-3-14 4 Los Angeles Playa del Rey. Comment
  SBBG55162  Raphanus sativus S. Hales 1963-6-4 82 Los Angeles La Verne Rd, 0.25 mi S of Fire Stn 365 Comment
  RSA390186  Rhamnus californica subsp. californica E. Crow 1928-5-2 281 Los Angeles San Antonio Canyon Comment
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Jun 10 2012
  UC1584065  Rhamnus californica subsp. californica Tim Ross, Orlando Mistretta, and Peter Fritsch 1990-7-10 4028 Los Angeles ne of Tie Summit Station (e of Angeles Forest Hwy, w drainage that meets Tie Canyon); San Gabriel Mountains, Angeles National Forest, Tujunja Rang 1524 Comment
  UCR273287  Rhamnus californica subsp. californica R. G. Swinney 2011-5-19 14771 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned 'Millie's Apple Orchard 912 Comment
  CAS-BOT-BC56016  Rhamnus ilicifolia Carl B. Wolf 1928-5-11 2179 Los Angeles On Newhall Grade, just above the place where the Los Angeles aqueduct crosses highway Comment
  POM68650  Rhamnus ilicifolia Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA390837  Rhamnus ilicifolia Alva Watry 1931-5-17 s.n. Los Angeles Mint Canyon Comment
  SBBG17299  Rhamnus ilicifolia M. Vincent 1962-4-6 161 Los Angeles Old Topanga Cyn Rd, 2 mi W of New Topanga Cyn Rd Comment
  UC55328  Rhamnus ilicifolia J. H. Barber 1898-8-6 Los Angeles Malibu Comment
  UCR192155  Rhamnus ilicifolia A. C. Sanders 2008-4-18 34978 Los Angeles Transverse Range, upper Cow Spring Canyon, along wash 1072 Comment
  UCR256163  Rhamnus ilicifolia R. G. Swinney 2010-6-4 13031 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
  CAS-BOT-BC59793  Rhamnus pirifolia S. B. Parish 1916-3-31 5761 Los Angeles Santa Catalina Island. Comment
  OBI6092  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3503 Los Angeles Santa Catalina Island. Avalon Cyn, above last almond orchard 122 Comment
  UCR200112  Rhus aromatica Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 655 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  UCR212750  Rhus aromatica Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1760 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 349 Comment
  CAS-BOT-BC170445  Rhus integrifolia Le Roy Abrams 1899-2-17 287 Los Angeles Ballina Harbor, near Los Angeles Comment
  CAS-BOT-BC170463  Rhus integrifolia June Giddings 1924-8-1 s.n. Los Angeles Santa Catalina Island Comment
  CHSC95433  Rhus integrifolia LeRoy Gross 2002-2-24 486 Los Angeles Los Angeles Basin; Verdugo Mountains Region: Northwest side; Entered at the corners of Ledge Ave. and Tuxford St. off La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Low +- rounded foothills of Coastal sage scrub, horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow hills, where Sunland Blvd. runs through. 351 Comment
  JEPS66243  Rhus integrifolia W. L. Jepson 1908-7-13 3054 Los Angeles Swain Canyon; Santa Catalina Comment
  SD49385  Rhus integrifolia Reid Moran 1959-3-9 7167 Los Angeles 2 miles southeast of Eel Point, San Clemente Island Comment
  UC1787300  Rhus integrifolia A. C. Sanders 2003-5-26 26835 Los Angeles San Gabriel Valley: on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Sante Fe RR, east of the San Gabriel River channel 170 Comment
  UC557729  Rhus integrifolia Nell Murbarger April, 1936 204 Los Angeles San Clemente Island Comment
  RSA0014725  Rhus integrifolia Laura Moore 1999-4-10 10 Los Angeles Pitzer College, Claremont. Southeastern corner of Outback, about 5 yards from eastern border with Claremont Boulevard. 351 Comment
  RSA386375  Rhus ovata R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  UCR273129  Rhus ovata R. G. Swinney 2011-4-26 14523 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA403705  Rhus trilobata var. pilosissima Anstruther Davidson 1891-06 s.n. Los Angeles Los Angeles. Comment
  UC2029986  Ribes amarum Louis C. Wheeler 1936-3-8 4082 Los Angeles SAN GABRIEL MOUNTAINS: Arroyo Seco. Comment
  LA82098  Ribes californicum var. hesperium O. H. Kappler; 1943-4-28 380 Los Angeles Santa Monica Mountains, Sepulveda Canyon 152 Comment
  POM98  Ribes californicum var. hesperium C. F. Baker 1930-2-17 406 Los Angeles San Antonio Canyon near Claremont. Comment
  RSA651628  Ribes cereum Shlomo Gat 1959-03 15 Los Angeles Mount Baldy. Comment
  UCR272863  Ribes cereum var. cereum R. G. Swinney 2011-7-29 15568 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  CAS-BOT-BC108878  Ribes divaricatum var. parishii Dr. A. Davidson 1891-1-1 s.n. Los Angeles At El Monte. Comment
  CAS-BOT-BC108883  Ribes divaricatum var. parishii A. Davidson 1894-4-1 s.n. Los Angeles El Monte. Comment
  UCR25493  Ribes divaricatum var. parishii Brian C. Miller 1963-3-9 s.n. Los Angeles Whittier Narrows, San Gabriel River, Pico Rivera 122 Comment
  UC921816 Image available Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles between Duarte and Azusa Comment
  UCR128259  Ribes malvaceum Mark A. Elvin, Cathleen Weigand 2003-5-22 2903 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  RSA180085  Ribes malvaceum var. viridifolium Peter H. Raven 1962-5-10 17711 a Los Angeles North of Thirst, San Clemente Island. 305 Comment
  RSA549818  Ribes nevadense Wandalee Thompson 1956-6-26 98 Los Angeles Williamson rocks, Rattlesnake Creek, Mt. Williamson, 3 miles S of Devils Punchbowl State Park. Angeles National Forest, San Gabriel Mts. Comment
  RSA656943  Ribes nevadense Valerie L. Soza, LeRoy Gross 2000-6-13 997 Los Angeles San Gabriel Mountains: Spring along Burkhart Trail (FS Trail 10W02), from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1845 Comment
  RSA476292  Ribes speciosum Ruth E. Hammond 1929-04 s.n. Los Angeles Verdugo Woodland Comment
  POM12339  Ricinus communis F. L. Robinson 1921-5-18 84 Los Angeles Claremont. 365 Comment
  RSA577358  Ricinus communis L. C. Wheeler 1936-6-6 4114 Los Angeles San Dimas Canyon, 1/4 mi. below west fork. 426 Comment
  RSA602377  Ricinus communis L. C. Wheeler 1945-8-16 6093 Los Angeles Whittier: San Jose Creek at Workman Mill Road. Comment
  JEPS2823  Rorippa curvipes var. truncata Frank W. Peirson 1921-6-19 2450 Los Angeles Crystal Lake San Gabriel Mountains, North Fork San Gabriel River; Crystal Lake, North Fork, San Gabriel River, San Gabriel Mts. 1676 Comment
  CAS-BOT-BC133218  Rorippa curvisiliqua A. C. Sanders; T. B. Salvato; Mitch Provance 2009-5-27 36969 Los Angeles San Gabriel Valley: confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 88 Comment
  UCD113834  Rosa californica M. Vincent 1963-5-22 357 Los Angeles Old Topanga Canyon Road, 1/4 mile W of New Topanga Canyon Road. Comment
  RSA611808  Rubus discolor Louis C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon. 976 Comment
  CHSC34406  Rubus ursinus Alisa Goldman 1980-4-5 1 Los Angeles Pacific Palisades, Temescal Canyon; Presbyterian Conference Ground, Sunset Blvd. and Temescal Canyon Road. 167 Comment
  RSA133760  Rubus ursinus Peter H. Raven 1959-3-15 13849 Los Angeles Just east of Zuma Beach, Point Dume. 21 Comment
  UCR270051  Rumex hymenosepalus R. G. Swinney 2011-4-20 14450 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
  RSA466093  Rumex hymenosepalus Donald Myrick 1969-4-21 2072 Los Angeles Growing in Antelope Valley near High Vista. 915 Comment
  CAS-BOT-BC433915  Rumex salicifolius Lewis S. Rose 1946-7-21 46224 Los Angeles N. end of Hollywood Reservoir, Los Angeles 228 Comment
  UCR186698  Rumex salicifolius T. B. Salvato, Sarah Flack 2007-8-8 3023 Los Angeles San Gabriel Mountains, East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle 2043 Comment
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Dec 31 2013
  RSA466117  Rumex salicifolius Anstruther Davidson 1890-05 s.n. Los Angeles Los Angeles. Comment
  LA33962  Ruppia cirrhosa Peter H. Raven; Henry J. Thompson 1959-9-6 14360 Los Angeles Santa Monica Mountains, Malibu Lagoon, mouth of Malibu Creek 1 Comment
  UCR59548  Salazaria mexicana Ed LaRue 1989-5-11 s.n. Los Angeles Western Mojave Desert, Palmdale, c. 0.5 mi (air) east of Alpine Springs [Mobile Home] Park, c. 0.5 mi. (air) north of point where Hwy 138 [=Sierra Hwy or Pearblossom Hwy] crosses California Aqueduct & c. 0.75 mi. (air) south of Ave. S 856 Comment
  SFV20028  Salicornia bigelovii A. Dittmer, S. Dark 2004-10-1 68 Los Angeles Ballona Wetlands. East side of wetlands on the south side of Jefferson Ave. Adjacent to the "freshwater" restoration area. Comment
  UC465479  Salicornia subterminalis unknown 1920-1-21 4610 Los Angeles Isthmus Santa Catalina Island Comment
  RSA478883  Salicornia virginica F. R. Fosberg 1931-5-20 S 4915 Los Angeles Catalina Harbor, Santa Catalina Island. 1 Comment
  RSA70035  Salicornia virginica F. W. Peirson 1904-8-22 1837 Los Angeles Playa del Rey, coast of Los Angeles Co. Comment
  RSA616066  Salix exigua Scott D. White 1997-12-31 6038 Los Angeles Malibu Coast: Mouth of Trancas Canyon, N of Pacific Coast Hwy. 8 Comment
  UC506476  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1932-4-22 7636 Los Angeles 4 hectometers e of Radford Dr. Los Angeles R.; San Fernando Valley Comment
  UC506515  Salix exigua var. hindsiana C. R. and B. S. Ball 1933-7-6 2526 Los Angeles along ditch on Hw. 199 near Gorman; San Gabriel Mts. Comment
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Jun 18 2014
  RSA595945  Salix gooddingii Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8881 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  RSA720364  Salix gooddingii LeRoy Gross 2007-4-6 2621 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  LA33900  Salix laevigata Peter H. Raven; Henry J. Thompson 1959-10-18 14668 Los Angeles Santa Monica Mountains, Medea Creek, mouth of Medea Creek, N arm of Malibu Lake 220 Comment
  POM362617  Salix laevigata Robert Gustafson 1978-6-1 989 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA586819  Salix laevigata Orlando Mistretta, Steve D. Boyd 1994-6-21 1387 Los Angeles Santiago Canyon, drainage northwest of Pacifico Mountain. 1585 Comment
  POM362703  Salix lasiolepis F. R. Fosberg 1931-4-10 S 4553 Los Angeles Avalon Valley, Santa Catalina Island. 70 Comment
  RSA0103928  Salix lasiolepis R. G. Swinney 2011-6-23 15318 Los Angeles San Gabriel Mountains: Chilao Campground area, Chilao Creek, N of jct. of service road to Chilao (Fire) Station and road to Chilao Visitor Center 1582 Comment
  RSA600002  Salix lasiolepis Steve D. Boyd, Lauren Raz 1997-5-28 9841 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
  SBBG57869  Salix lasiolepis M. N. Ackley 1928-2-12 984 Los Angeles Eaton Wash 381 Comment
  UCR178788  Salix lucida subsp. lasiandra R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  CAS-BOT-BC125954  Salix scouleriana Joseph Ewan 1936-8-10 10029 Los Angeles Nature trail from Big Pines to Blue Ridge, San Gabriel Mts. 2225 Comment
  CAS-BOT-BC126292  Salix sessilifolia I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  CAS-BOT-BC180704  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  UC23848  Saltugilia splendens subsp. grantii J. H. Barber 1897-7-11 249 Los Angeles Mt. Gleason Summit Mt. Gleason Summit (Southern California) Comment
  CATA524  Salvia apiana Sara L. Crockett 1997-4-29 673 Los Angeles Santa Catalina Island: 0.8 mile S on road from KBRT radio station toward Salta Verde, slope below E/W-trending ridgeline 487 Comment
  LA31080  Salvia apiana Harlan Lewis; 1957-5-25 sn Los Angeles Santa Monica Mountains, Topanga Canyon, New Topanga Rd, 4.8 mi N of Ferndale [Fernwood] Road 411 Comment
  RSA424326  Salvia apiana William Emboden 1970-6-12 6 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCD63555  Salvia apiana Daniel Sanchez-Mata 2006-6-29 s.n. Los Angeles Azusa. Los Angeles National Forest. S. Gabriel Canyon Road close to Torpedos Dam and Morris Reservoir. 450 Comment
  RSA411304  Salvia apiana F. R. Fosberg 1931-5-6 S 4808 Los Angeles Santa Catalina Island. Head of Cape Canyon, near pump house. 280 Comment
  UC25685  Salvia clevelandii unknown 1896-3-6 Los Angeles Valley Center Comment
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Jun 26 2015
  RSA401456B  Salvia columbariae Howard Mullins 1931-5-10 s.n. Los Angeles Malibu Lake. Comment
  RSA570179  Salvia columbariae Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4794 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCR272599  Salvia columbariae R. G. Swinney 2011-7-7 15429 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR220161  Salvia dorrii R. G. Swinney 2009-4-2 10265 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
  UCR224374  Salvia dorrii Justin M. Wood 2010-5-10 1562 Los Angeles San Gabriel Mountains, Little Rock Creek, downstream of Little Rock Reservoir, within 0.25 mi of the dam 966 Comment
  CAS-BOT-BC221043  Salvia dorrii var. pilosa Peter H. Raven 1959-3-31 13904 Los Angeles 2.5 miles west of Littlerock Comment
  RSA184051  Salvia dorrii var. pilosa I. L. Wiggins 1966-4-15 20588 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  CAS-BOT-BC233694  Salvia leucophylla Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills Comment
  RSA732715  Salvia leucophylla A. C. Sanders 2003-4-29 26174 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, N of Charlie Canyon and E Lake Hughes Rd. 396 Comment
  CAS-BOT-BC233297  Salvia mellifera Peter H. Raven; Robert F. Thorne 1964-5-7 19005 A Los Angeles Saddle Rock Ranch near Seminole Hot Springs, Santa Monica Mountains Comment
  CATA95  Salvia mellifera Peter Henrikson 1987-4-17 71 Los Angeles Santa Catalina Island: Below upper White's Landing Road, east exposure 396 Comment
  POM158300  Salvia mellifera M. B. Dunkle 1928-3-11 1725 Los Angeles Santa Catalina Island: Grand Canyon 168 Comment
  RSA0088150  Salvia mellifera R. G. Swinney 2010-5-4 12514 Los Angeles North of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park. 457 Comment
  RSA434124  Salvia mellifera Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena. Comment
  RSA483729  Salvia mellifera Richard Noyes, L. Arnseth 1988-4-30 523 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA647929  Salvia mellifera Michelle Manolovitz, Brian Manolovitz 1992-5-5 12 Los Angeles Santa Fe Dam, 15501 E. Arrow Hwy, Irwindale; 450 feet northwest of park office. Comment
  UCR213510  Salvia mellifera A. C. Sanders, Karen Kirtland 2010-5-14 38348 Los Angeles South Coast, Palos Verdes Peninsula, San Ramon Canyon in city of Rancho Palos Verdes, near Los Angeles city boundary 201 Comment
  RSA250495  Sambucus caerulea R. F. Thorne, John Dourley 1967-10-10 37377 Los Angeles Cortelyou Springs 2072 Comment
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Aug 29 2011
  RSA682660  Sambucus mexicana LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1086 Los Angeles North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA719751  Sambucus mexicana R. G. Swinney, Dave Larson 1996-7-17 5142 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  UC1595289  Sambucus mexicana Tim Ross 1991-3-10 4220 Los Angeles Bernard Field Station Claremont, Bernard Field Station (e side of RSA, vicinity of Phake Lake, marked as Pit on topo map) 391 Comment
  UCR130830  Sambucus mexicana David Charlton 1989-4-7 2872 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
  UCR19628  Sambucus mexicana Art Whistler 1966-6-23 s.n. Los Angeles San Gabriel Mtns., along California Hwy 2, past Mt. Wilson Road 1463 Comment
  IRVC28706  Sambucus mexicana A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25497 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  JEPS23711  Sambucus mexicana Peter H. Raven 1959-5-3 14065 Los Angeles along Mulholland Drive 0.5 mi e Beverly Glen Boulevard; Santa Monica Mountains 381 Comment
  SEINET10551112  Sambucus mexicana Walter H. Lewis Lewis 15650 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  CAS-BOT-BC238748  Sambucus nigra subsp. caerulea Le Roy Abrams; E. A. McGregor 1908-7-2 596 Los Angeles Rock Creek, desert slopes of the San Gabriel Mountains 1828 Comment
  RSA0083084  Sambucus nigra subsp. caerulea R. G. Swinney 2010-3-22 12031 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UC1605465  Sanguisorba minor subsp. muricata Tim Ross 1993-4-22 6923 Los Angeles Middle Canyon sw part Santa Catalina Island (along old dirt road (no longer maintained) that ascends the ridge sw of Thompson Dam and drops to Bullrush Canyon); Santa Catalina South Quad., , Middle Cy 213 Comment
  SEINET3157014  Sanicula arguta G. B. Grant sn Los Angeles Pasadena Comment
  SFV6174  Sanicula arguta R. M. Muran 1974-5-16 73 Los Angeles Santa Monica Mountains Cold Creek Canyon. 427 Comment
  UC1123202  Sanicula arguta Jerome S. Horton 1939-4-17 532 Los Angeles e of San Dimas Dam (on Camp 10 Road) 518 Comment
  CAS-BOT-BC223213  Sanicula bipinnatifida Le Roy Abrams 1901-4-3 1301 Los Angeles Bank of Los Angeles River, San Fernando Valley Comment
  LA32973  Sanicula crassicaulis Carl Epling; March 1925 6524 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  SEINET13945211 Image available Sanicula laciniata Peter H. Raven 1959-1 13953 Los Angeles Just east of Zuma Beach, Point Dume, Santa Monica Mountains; 50 ft. 34 deg. N, 118-119 deg. W 15 Comment
  SD69624  Satureja douglasii Robert F. Thorne, P. Everett 1965-5-12 34626 Los Angeles Santa Catalina Island, Bulrush Canyon 244 Comment
  UCR143417  Satureja douglasii F. R. Fosberg 1931-4-28 S- 4702 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest, Middle Ranch Canyon 180 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
  SEINET10454090  Schinus molle Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4789 Los Angeles Santa Catalina Island; Catalina Conservancy Land, Middle Canyon, just downstream of Pump Station #2. Along Middle Canyon Trail (Road), between the Middle Ranch Junction and Cape Canyon Trail. 7-8 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 350 Comment
  UCD93260  Schismus barbatus Daryl Koutnik; John Cuti 1978-4-19 375 Los Angeles Verdugo Mountains on road overlooking Stough Canyon. 548 Comment
  UCR94667  Schoenoplectus acutus var. occidentalis A. C. Sanders, E. J. Lott 1993-5-6 13989 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  SEINET6074924  Schoenoplectus californicus Unknown 1946-7-28 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CAS-BOT-BC110937  Scirpus microcarpus Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-6 8115 Los Angeles Tributary of Clearwater Canyon. 847 Comment
  UCR137728  Scirpus microcarpus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mtns, Oak Spring, Oak Spring Canyon, off Little Tujunga 793 Comment
  UCSB55387  Scirpus microcarpus Munz, Philip 1920-5-17 Los Angeles Topanga Canyon; Santa Monica Mtns. 152 Comment
  RSA425184  Scrophularia californica subsp. floribunda Donald R. Bissing 1973-5-18 97 Los Angeles Evey Canyon, San Gabriel Mountains: 1.0 mile from mouth of canyon. 884 Comment
  SBBG95232  Scrophularia villosa M. B. Dunkle 1928-4-13 1865 Los Angeles Renton Mine Rd Comment
  RSA445378  Scutellaria tuberosa George B. Grant 1901-02 3393 Los Angeles Pasadena. Comment
  RSA651609  Secale cereale W. J. Nicholas 1948-5-4 s.n. Los Angeles near Littlerock. Two [miles?] west of Littlerock. 609 Comment
  JEPS48028  Sedum spathulifolium Frank W. Peirson 1919-5-14 428 Los Angeles West Fork Eaton Canyon San Gabriel Mountains, West Fork Eaton Canyon 990 Comment
  LA209613  Selaginella asprella Lawrence L. Kiefer; 1963-1-1 348 Los Angeles San Gabriel Mountains, Crystal Lake. Rock outcrops W of the N end of lake 1828 Comment
  LA200015  Selaginella bigelovii Lawrence L. Kiefer; 1966-4-10 1855 Los Angeles SANTA MONICA MOUNTAINS, Brown Canyon, Beverly Glen Blvd., ca. 3 mi above Sunset Blvd. 426 Comment
  RSA248844  Selaginella bigelovii Robert F. Thorne 1973-4-11 42864 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA683745  Selaginella bigelovii Meryl B. Dunkle 1939-4-3 7228 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  RSA0012728  Senecio californicus L. C. Wheeler 1932-5-1 676 Los Angeles 3 mi. NNE Claremont. 548 Comment
  SBBG126268  Senecio flaccidus var. douglasii A. C. Sanders with T. B. Salvato 2009-5-29 37039 Los Angeles Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave 114 Comment
  UCR124602  Senecio flaccidus var. douglasii B. C. Templeton 1932-8-26 5116 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  UCR204849  Senecio flaccidus var. douglasii R. G. Swinney 2005-8-11 8436 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  SEINET7042286  Senecio flaccidus var. douglasii A. G. Vestal 1938-7-4 s.n. Los Angeles Bottom of Wash, Eaton Canyon, Angeles National Forest. Mount Wilson quadrangle. UTM Zone 11, 399333mE, 3785184mN. Comment
  RSA495558  Senecio triangularis S. Zona, D. Arias, Oscar Dorado, M. Hanson, J. L. Villasenor 1989-6-21 347 Los Angeles Mountain High Ski Resort: W of Wrightwood, N slopes of San Gabriel Mts. 2017 Comment
  CAS-BOT-BC364566  Senecio vulgaris Peter H. Raven 1960-4-2 14870 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Zuma Beach, Point Dume 22 Comment
  SD255750  Senna A. C. Sanders, T. B. Salvato 2009-5-19 36830 Los Angeles San Gabriel Valley; Montebello Hills, under SCE powerlines south of Montebello Blvd. and W of Plaza Dr., south of large shopping mall called Montebello Town Center. 110 Comment
  RSA761774  Setaria parviflora R. G. Swinney 2008-11-29 9847 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCD92611  Setaria parviflora Geoffrey Levin 1975-9-22 655 Los Angeles waste ares in Claremont. Alluvial fan of San Gabriel Mts. Santa Ana River; Pacific Slope. 335 Comment
  RSA599830  Setaria viridis Steve Boyd, Lauren Raz 1997-5-6 9741 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA678887  Sibara filifolia Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 154 Los Angeles San Clemente Island. SHOBA (Shore Bombardment Area) S. of buds. West of Willies Saddle cf. ridge. 171 Comment
  UCR206479  Silene antirrhina R. G. Swinney 2008-5-12 8842 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  SD69597  Silene gallica Robert F. Thorne, P. Everett 1965-5-12 34637 Los Angeles Santa Catalina Island; Bulrush Canyon. 239 Comment
  UC166886  Silene gallica Geo. B. Grant 1905-4-2 1206 Los Angeles Pasadena Pasadena (southern California) Comment
  CAS-BOT-BC389109  Silene laciniata subsp. californica Timothy S. Ross; Victor W Steinmann 1995-5-8 8541 Los Angeles Liebre Mountains. Bouquet Canyon: along Bouquet Canyon Road near Bouquet Campground No. 3 743 Comment
  JEPS50884  Silene lemmonii Frank Peirson 1918-6-10 39 Los Angeles Mt. Lowe 1371 Comment
  UCR190108  Silene parishii R. G. Swinney 1998-8-27 6809 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  RSA0081490  Silene platyota LeRoy Gross, Valerie Soza 2003-6-10 1020 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., ca. 2.5 miles south of Mount San Antonio summit along trail. 2409 Comment
  RSA66082  Sinapis arvensis F. W. Peirson 1919-4-5 1898 Los Angeles New York Ave. Altadena 351 Comment
  RSA532643  Sisymbrium altissimum Timothy S. Ross 1991-8-14 5754 Los Angeles Roundtop Mountain. 1892 Comment
  CHSC36044  Sisymbrium irio James Henrickson 1973-6-15 10681 Los Angeles City of Long Beach, along beach near Long Beach Arena. 3 Comment
  CDA37329  Sisymbrium irio Michael O Brien 2012-6-17 s.n. Los Angeles Malibu; County Line Beach , a unit of Leo Carrillo State Beach. 0 Comment
  UCR280560  Sisymbrium officinale R. G. Swinney 2014-5-13 16486 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  RSA191145  Sisymbrium orientale R. F. Thorne, M. Z. Thorne 1967-6-25 37122 Los Angeles Evey Canyon 716 Comment
  RSA621257  Sisymbrium orientale L. C. Wheeler 1968-4-26 s.n. Los Angeles Saddle immediately east of Magic Mountain Comment
  CSUSB2252  Sisymbrium orientale Nadine Tolkan 1970-5-16 13 Los Angeles City of Los Angeles, corner of Manchester Blvd. and Sepulveda Blvd., in the parking lot of "Anthony's Red Vest" restaurant. Comment
  CAS-BOT-BC135360  Sisyrinchium S. B. Parish 1919-4-19 19260 Los Angeles Lone Hill near San Dimas Comment
  CHSC103801  Sisyrinchium bellum Peter F. Zika 2002-4-14 16782 Los Angeles Base of Palmer Canyon, near Via Padova, Claremont. 620 Comment
  RSA580966  Sisyrinchium bellum Catherine A. Mish 1995-4-2 32 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  UC998919  Sisyrinchium bellum P. O. Schallert 1944-4-20 Los Angeles Monrovia Canyon Comment
  RSA332899  Sisyrinchium bellum Wayne E. Sawyer 1981-6-11 33 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.8 miles from Dawson Saddle 2287 Comment
  SEINET6086994  Sisyrinchium bellum Unknown 1975-5-13 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  CLARK-A1528-3198  Smilacina stellata John C. Roos 1937-5-31 761 Los Angeles San Gabriel Mountains Comment
  HSC79776  Solanum americanum Donna Panico 1972-4-27 9 Los Angeles Glendale, 0.5 mi. S Honolulu Ave. on Whiting Woods Rd. in Henderson Cyn. in Verdugo Mts. 335 Comment
  CATA145  Solanum douglasii Mark L. Hoefs, A. Douglas Propst 1973-3-14 109 Los Angeles Santa Catalina Island: Ridge between Moonstone and White's Coves 36 Comment
  RSA324078  Solanum douglasii F. H. Elmore 438 Los Angeles Santa Catalina Island. Comment
  UCR125944  Solanum douglasii A. C. Sanders, Mark Elvin 2002-6-19 25143 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
  PASA2147  Solanum douglasii Loletta Hiebert Los Angeles Arroyo Seco Comment
  POM18266  Solanum douglasii Philip A. Munz 1923-4-8 6605 Los Angeles San Clemente Island Comment
  UCR123360  Solanum elaeagnifolium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25473 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA0110201  Solanum umbelliferum Richard G. Swinney 2011-5-16 14725 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
  RSA167623  Solanum umbelliferum Peter H. Raven, Robert F. Thorne 1964-5-7 19003 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UC1125051  Solanum umbelliferum A. Simontacchi 1935-5-30 52 Los Angeles 3 mi sse of Neenach 1066 Comment
  POM126864  Solanum wallacei F. M. Reed 1909-7-2 2819 Los Angeles Pebbly Beach Road, Santa Catalina Island Comment
  LA200898  Solanum xanti Jonathan Sauer; J. Habeck, D. Bradbury 1969-5-21 4550 Los Angeles Santa Monica Mountains, above Encino 396 Comment
  NY820514  Solanum xanti L. T. Chamberlain s.n. Los Angeles Comment
  LA32069  Solidago californica Peter H. Raven; 1959-9-28 13732 Los Angeles Santa Monica Mountains, Elysian Park 198 Comment
  SFV4113  Solidago confinis M. L. Vincent 1962-10-4 295 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. 1110 Comment
  CAS-BOT-BC365036  Solidago velutina subsp. californica Fordyce Grinnell 1915-9-4 s.n. Los Angeles Upper Arroyo Seco Canon [Canyon], San Gabriel Mts. Comment
  RSA599517  Sonchus asper Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9470 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA729815  Sonchus asper R. G. Swinney 1998-7-10 6379 Los Angeles San Gabriel Mtns.: Prairie Fork, near Cabin Flats Campground 1622 Comment
  CAS-BOT-BC374616  Sonchus oleraceus Henry J. Thompson; Peter H. Raven 1959-6-4 14346 Los Angeles Santa Monica Mountains. Point Dume 12 Comment
  RSA0021711  Sonchus oleraceus Duncan S. Bell, Caitlin Elam 2013-6-24 5261 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA0077094  Sonchus oleraceus R. G. Swinney 2010-4-15 12225 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR205218  Sonchus oleraceus R. G. Swinney 2006-6-18 8534 Los Angeles San Gabriel Mountains, Devil's Punchbowl County Park, northeast of Punchbowl Road, Sandrock Creek north of the nature center 1402 Comment
  RSA738068  Spartium James W. Raymond s.n. Los Angeles Brand Park Comment
  UCD108498  Spartium junceum William H. Lee 1969-6-1 18 Los Angeles location unknown. Comment
  UCR255855  Spartium junceum Dan S. Cooper 2014-6-4 614- 60 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Hollywood Reservoir, eastern edge of perimeter road/Canyon Lake Dr. 233 Comment
  RSA0098391  Spergularia macrotheca Crawford, H. D. Hiatt 1916-3-30 s.n. Los Angeles Santa Monica. Comment
  RSA0098577  Spergularia villosa Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 794 -2 Los Angeles San Clemente Island. Deadman s Curve above Eagle Canyon. 473 Comment
  CAS-BOT-BC391000  Spergularia villosa Geo. B. Grant 1903-5-16 5508 Los Angeles Redondo Comment
  SEINET10927707  Sporobolus wrightii Adolph D. E. Elmer Elmer 3623 Los Angeles Lancaster. Comment
  UC519724  Stachys ajugoides var. rigida Joseph Andorfer Ewan 1932-5-19 7527 Los Angeles Ballona Marshes Playa del Rey Comment
  RSA713939  Stachys albens Scott D. White, Andrea Warniment 2006-7-18 11630 Los Angeles SE Tehachapi Mtns: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway. 1006 Comment
  SEINET11196336  Stachys albens Duncan Bell, Elam, Caitlin 2013-6-24 5285 Los Angeles San Gabriel Mountains Comment
  UC1922933  Stachys bullata Valerie Soza, LeRoy Gross 2001-5-9 1205 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
  UC884279  Stachys bullata Ira W. Clokey, B. Templeton May 1929 4460 Los Angeles Mandeville Canyon Santa Monica Mountains 350 Comment
  RSA617404  Stanleya pinnata Scott D. White 1998-6-4 6637 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between I-5 Fwy./Old Ridge Route and the lake. 427 Comment
  RSA562568  Stellaria media Steve Boyd, Walter Appleby 1993-4-22 7982 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  POM6758  Stellaria nitens P. A. Munz, L. T. Street, G. Williams 1919-3-5 2409 Los Angeles South Hills, Pomona Comment
  UCR216884  Stellaria pallida R. G. Swinney 2009-2-20 10032 Los Angeles San Gabriel Valley/ San Gabriel Mtns. Foothills, mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  SFV20879  Stenotaphrum secundatum L. Gross, A. E. Gutman, S. Gutman 2000-9-8 270 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  CAS-BOT-BC375094  Stephanomeria Alice Eastwood 1917-7-20 6530 Los Angeles Santa Catalina Island Comment
  SD153107  Stephanomeria blairii Steven A. Junak 1996-7-24 SCI 650 Los Angeles San Clemente Island; Box Canyon, 1.2 miles inland from beach. 230 Comment
  UC1070311  Stephanomeria cichoriacea Jerome S. Horton 1937-9-21 498 Los Angeles below Dalton Dam; Pomona Quad. 457 Comment
  RSA179932  Stephanomeria pauciflora E. C. Twisselmann 1965-7-23 11073 Los Angeles North side of Antelope Valley 1204 Comment
  UCR124394  Stephanomeria virgata I. W. Clokey, B. C. Templeton 1929-1 4581 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UCR179481  Stephanomeria virgata R. G. Swinney, Dave Larson 1996-8-7 5250 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  UCR61177  Stephanomeria virgata A. C. Sanders 1987-9-18 7366 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  UCR99734  Stephanomeria virgata Scott D. White 1992-10-8 915 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<