Search Results — 2000 specimen records retrieved (1579 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CATA1158  Abronia maritima Mark L. Hoefs 1995-5-30 2151 Los Angeles Santa Catalina Island: Ben Weston Beach 4 Comment
Read comments
Apr 3 2015
  SBBG31518  Abronia umbellata R. M. Beauchamp 1987-3-19 319 Los Angeles S of air strip at Sherman Field Comment
  RSA0048570  Abronia umbellata Elwood Fordham 1951-4-7 s.n. Los Angeles Pt. Dume. 27 Comment
  UCR258933  Acacia R. G. Swinney 2010-2-27 11752 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  UCR51490  Acacia dealbata A. C. Sanders 1987-12-4 7585 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr. 31 Comment
  RSA596360  Acacia mearnsii R. G. Swinney 1989-7-14 s.n. Los Angeles Base of San Gabriel Mtns., in and near the city of Glendora. S of water reservoir at N terminus of Englewild Ave. 396 Comment
  CAS-BOT-BC30942  Acamptopappus sphaerocephalus Adolph Daniel Edward Elmer 1902-6-1 3621 Los Angeles Lancaster Comment
  CAS-BOT-BC412575  Acanthoscyphus parishii var. parishii R. F. Thorne; L. E. DeBuhr 1972-8-18 42257 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E. from peak of Mt. Islip 2407 Comment
  LA49825  Acer macrophyllum K. Kneen; 1933-4-29 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA0114708  Acer macrophyllum R. G. Swinney 2011-10-25 15869 Los Angeles San Gabriel Mountains; along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA19721  Acer macrophyllum I. W. Clokey, E. G. Anderson 1935-5-9 6731 Los Angeles San Dimas Canyon, bottom of canyon Comment
  CHSC35500  Achnatherum coronatum James Henrickson 1979-5-23 18171 Los Angeles Ca 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 426 Comment
  RSA642085  Achnatherum parishii subsp. depauperatum Orlando Mistretta 1994-7-22 1448 Los Angeles San Gabriel Mountains: Big Rock Creek, South Fork Campground. Comment
  CATA1042  Acmispon argophyllus var. argenteus Mark L. Hoefs 1995-5-10 1968 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  JEPS64872  Acmispon argophyllus var. argenteus W. L. Jepson 1908-7-12 3066 Los Angeles Catalina Island, near Avalon. Comment
  UCD104005  Acmispon argophyllus var. argenteus G. L. Webster; Robert Thorne, John Tucker 1992-3-30 7754 Los Angeles CATALINA ISLAND: Along road from Little Harbor to Middle Ranch. 20 Comment
  UCR281778  Acmispon argophyllus var. argenteus Mitch Provance, Scott Duff 2017-6-29 617- 67 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  LA52426  Acmispon glaber var. glaber Harlan Lewis; 1940-2-24 1084 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon 304 Comment
  SBBG37916  Acmispon grandiflorus var. grandiflorus R. Moran 1941-2-26 627 Los Angeles Johnson's Valley 100 Comment
  SD37797  Acmispon maritimus Edith A. Purer 1931-5-8 2050 B Los Angeles Griffith Park, bare chaparral slope Comment
  SBBG91828  Acmispon micranthus S. A. Junak 1978-4-15 SCa 10 Los Angeles N side of Cherry Cove 30 Comment
  SBBG32081  Acmispon strigosus R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -198 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  UCR282230  Acmispon strigosus Dan S. Cooper 2016-4-15 416- 30 Los Angeles Torrance, west of Crenshaw Blvd., south of 208th St., east of railroad 21 Comment
  SDSU4352  Acmispon strigosus Gerald Collier 1951-4-7 3648 Los Angeles Sea bluff about 1 mile southeast of Zuma Beach. About 2 miles west of U.S. Hwy 101. Comment
  UC63371  Acourtia microcephala Ernest Braunton 1902-6-7 527 Los Angeles Elysian Park Comment
  UCR280816  Acourtia microcephala Mitch Provance 2017-6-30 617- 47 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  SD107826  Acourtia microcephala Mark Hoefs 1973-7-13 374 Los Angeles Middle Ranch Canyon, just above reservoir on northside of main road, Santa Catalin Island. Comment
  CHSC3731  Adenostoma fasciculatum Sue Boerqadine 1966-5-26 Los Angeles San Raphael Hills. 213 Comment
  RSA0091163  Adenostoma fasciculatum var. fasciculatum R. G. Swinney 2011-7-7 15422 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA34524  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1943-11-21 991 Los Angeles Mint Canyon. Roadside west of Ranger Station. 762 Comment
  RSA580982  Adenostoma fasciculatum var. fasciculatum Catherine A. Mish 1995-3-4 13 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  RSA729755  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
  SBBG82791  Adiantum capillus-veneris M. Bufkin -Jun-1895 Los Angeles near Pasadena Comment
  UCR118192  Adiantum capillus-veneris A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23290 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  UCR190878  Adiantum capillus-veneris R. G. Swinney 1998-8-6 6700 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, granite cliff on east side c. 100 m below Fish Fork 1037 Comment
  RSA522930  Adiantum capillus-veneris T. S. Ross, Orlando Mistretta 1990-10-24 3291 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Shaded seepage in lower Cape Horn Canyon 549 Comment
  LA94096  Adiantum jordanii Lawrence L. Kiefer; 1966-4-10 1850 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho in ravine W of canyon. 304 Comment
  SBBG20555  Adiantum jordanii E. R. Blakley 1963-12-8 6390 Los Angeles cyn head above Mosquito Cove and between Triangulation Pts Malo and Chenity 274 Comment
  UC535313  Adiantum jordanii Ira W. Clokey, B. Templeton May 1929 4538 Los Angeles Mandeville Canyon; Santa Monica Mts 350 Comment
  CAS-BOT-BC65643  Adiantum jordanii Marian L. Campbell 1921-3-28 128 a Los Angeles Los Angeles to Santa Barbara Comment
  RSA678694  Adiantum jordanii Mark Elvin, Orlando Mistretta 1996-3-24 136 Los Angeles Eagle Canyon, San Clemente Island. 244 Comment
  RSA747739  Ageratina adenophora Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12692 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
  RSA627489  Ageratina adenophora Louis C. Wheeler 1965-5-8 8705 Los Angeles San Gabriel Mountains: Fish Canyon near the mouth. Comment
  RSA640255  Ageratina adenophora R. F. Thorne 1971-4-23 41474 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  CAS-BOT-BC295623  Agnorhiza ovata Victor Duran 1933-7-9 3508 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  RSA730718  Agoseris grandiflora R. G. Swinney 1997-6-13 5583 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  UCR242040  Agoseris grandiflora Dan S. Cooper 2012-4-30 412- 2 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  RSA735913  Agoseris grandiflora Justin M. Wood 2008-5-31 7 Los Angeles Santa Monica Mountains National Recreation Area, Topanga Canyon, Hondo Creek Trail. Comment
  RSA594669  Agrostis exarata L. C. Wheeler 1967-7-30 10287 Los Angeles San Gabriel Mountains. Trail Canyon, vicinity of falls near confluence with McKinley Canyon. 732 Comment
  SBBG59479  Agrostis exarata M. N. Ackley -May-1928 38 Los Angeles Eagle Rock Comment
  UC520035  Agrostis viridis Joseph Andorfer Ewan 1932-6-28 7512 Los Angeles Hyperion Bridge Los Angeles River (about pool in river bed) Comment
  IRVC24720  Allium campanulatum Gordon A. Marsh 1988-4-7 s.n. Los Angeles Palmdale; Anaverde Basin; S of Rayburn Road; between Tierra SubidaDrive and the Antelope Valley Fwy. Mojave Desert 854 Comment
  RSA286670  Allium campanulatum Robert F. Thorne, Larry E. DeBuhr 1974-6-28 44770 Los Angeles San Gabriel Mountains, Angeles Naiional Forest: Big Meadow, Big Pines Recreational area near headwaters of Mescal Creek 2104 Comment
  SD41980  Allium fimbriatum var. fimbriatum Darley F. Howe 1947-5-5 1531 Los Angeles Between Palmdale and Littlerock. Comment
  SBBG57473  Allium fimbriatum var. mohavense Anstruther Davidson -Jul-1893 Los Angeles Acton Comment
  LA33455  Allium haematochiton Henry J. Thompson; 1959-3-27 1882 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi. E of peak. 701 Comment
  CLARK-A1528-7758  Allium monticola John C. Roos 1937-7-16 636 Los Angeles San Gabriel Mountains Comment
  CAS-BOT-BC472943  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canon 2438 Comment
  RSA188100  Allophyllum glutinosum R. F. Thorne 1965-6-22 34853 Los Angeles Santa Catalina Island: Renton Mine area. 243 Comment
  POM74741  Allophyllum glutinosum H. E. Hasse 1890-05 s.n. Los Angeles Hills and plains. Comment
  CAS-BOT-BC170981  Alnus rhombifolia Geo. B. Grant 1901-6-1 36 Los Angeles Pasadena Cal. South Central part of California 1524 Comment
  SFV14460  Alnus rhombifolia J. L. Reveal 1987-9-9 3880 Los Angeles Santa Susana Mountains Limekiln Canyon, north of Rinaldi. 396 Comment
  UCR95243  Amaranthus blitoides L. C. Wheeler 1945-9-20 6152 Los Angeles San Gabriel Mtns., Kinneloa ('Sycamore') Canyon, near base of mountains 366 Comment
  RSA404560  Amaranthus palmeri Anstruther Davidson 1945-1 s.n. Los Angeles Los Angeles. Comment
  UCR54033  Amaranthus retroflexus S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  RSA235156  Amaranthus retroflexus David Wheat 1972-8-20 738 Los Angeles Roadside weed on Padua Ave. between Baseline Rd. and Mt. Baldy Road 518 Comment
  CAS-BOT-BC13490  Amblyopappus pusillus Carl B. Wolf 1932-5-11 3569 Los Angeles Santa Catalina Island. Point, west side of Fourth of July Cove. 30 Comment
  RSA188159  Amblyopappus pusillus R. F. Thorne 1966-4-4 35766 Los Angeles Santa Catalina Island: near Ballast Point on E side of Catalina Harbor, Isthmus. Comment
  SBBG110898  Amblyopappus pusillus G. B. Grant, W. Wheeler 1904-4-21 Los Angeles Santa Catalina Island Comment
  SBBG42241  Amblyopappus pusillus M. B. Dunkle 1939-4-5 7268 Los Angeles China Pt Comment
  SBBG98422  Amblyopappus pusillus T. Ross 1991-5-22 5446 Los Angeles Spray Pt, W side of island ca. 5300 ft N of Eel Pt 9 Comment
  PASA2171  Amblyopappus pusillus Mabel B. Peirson 1922-4-7 Los Angeles San Pedro Comment
  UCR210009  Ambrosia acanthicarpa R. G. Swinney 2008-10-7 9463 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  CATA154  Ambrosia chamissonis Mark L. Hoefs, A. Douglas Propst 1973-3-14 117 Los Angeles Santa Catalina Island: West side of White's Landing, on beach 1 Comment
  RSA416929  Ambrosia chamissonis Wm. Martin 1971-8-11 s.n. Los Angeles Point Dume. 15 Comment
  UCD128776  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC44996  Ambrosia confertiflora Scott D. White; Justin Wood 2008-6-4 12051 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  UCR199716  Ambrosia confertiflora Scott D. White, Justin Wood 2008-6-4 12051 Los Angeles Puente Hills, SE of Rose Hills Memorial Park, adjacent to agricultural land. SCE corridor, site of proposed tower 25 335 Comment
  OBI17098  Ambrosia psilostachya Lewis S. Rose 1966-12-24 66115 Los Angeles Westwood Village 122 Comment
  CAS-BOT-BC272928  Ambrosia salsola A. D. E. Elmer 1902-6-1 3622 Los Angeles Palmdale Comment
  UCR210092  Amelanchier utahensis R. G. Swinney 2008-8-13 9380 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA167817  Amsinckia intermedia R. F. Thorne, P. C. Everett 1964-2-7 33457 Los Angeles Santa Catalina Island, lower end of Pebbly Beach, E end of island 76 Comment
  SD49387  Amsinckia intermedia Reid Moran 1959-3-9 7163 Los Angeles San Clemente Island, canyon 2 miles southeast of Eel Point 99 Comment
  SEINET3151699  Amsinckia intermedia G. B. Grant Error Los Angeles Pasadena Comment
  RSA499929  Amsinckia intermedia Tom Burch 1940-3-10 s.n. Los Angeles Castaic. 610 Comment
  UC1084564  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-5-1 2244 Los Angeles 2.4 mi w of Saugus ((junction) on road to Castaic Junction, n of road in high weeds and barley next to field) Comment
  UCD119627  Amsinckia intermedia Daryl Koutnik 1978-3-7 s.n. Los Angeles NE corner of Balboa and Parthenia in Northridge. 248 Comment
  CDA974  Amsinckia menziesii var. menziesii D. G. Kelch 1991-3-23 1302 Los Angeles Catalina Island. East of Avalon. Comment
  SBBG16885  Amsinckia menziesii var. menziesii K. A. Wilson 1961-3-7 948 Los Angeles Mulholland Hwy ca. 3 mi W of Las Virgenes Rd Comment
  UCR252776  Amsinckia retrorsa R. G. Swinney 2010-3-10 11792 Los Angeles San Gabriel Mountains/Verdugo Mountains, Sunland/Lake View Terrace, from Orcas Park to Hansen Dam, along Big & Little Tujunga washes 329 Comment
  SEINET12519054  Amsinckia spectabilis J. H. Barber 1897-1 51 Los Angeles Santa Monica Canon Comment
  CHSC8309  Amsinckia tessellata Edward L. Smith 1958-2-18 315 Los Angeles Located in Cobal Canyon. San Gabriel Mt. Range. 60 Comment
  SBBG128848  Amsinckia tessellata A. C. Sanders 2006-4-11 32047 Los Angeles Antelope Valley, 0.2 mi W of 20th St E on Ave "G:, NE side of Lancaster, S of Rosamond Lake 710 Comment
  UCR101692  Amsinckia tessellata B. G. Pitzer 1998-5-23 3740 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  UCR219818  Amsinckia tessellata R. G. Swinney 2009-4-24 10432 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR280532  Amsinckia tessellata R. G. Swinney 2014-4-10 16022 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
  SDSU21093  Amsinckia tessellata var. tessellata Ian Cain, Bruce Lund 2010-5-10 1402 Los Angeles North west of Lancaster. 420 meters north of intersection of West Avenue C and 170th Street West, just east of road 811 Comment
  RSA250602  Amsinckia tessellata var. tessellata R. F. Thorne 1970-4-17 39511 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  LA34905  Anagallis arvensis Mary V. Hood; 1936-3-5 37 14 Los Angeles Santa Monica Mountains, Higgins Canyon Comment
  SEINET11973107  Anagallis arvensis J. F. Bright, Wyman, C. 1933-1 8181 Los Angeles Los Angeles Comment
  JEPS117935  Andropogon glomeratus var. scabriglumis John Dittes, Josephine Guardino 2006-12-11 1439 Los Angeles Big Tujunga Canyon ca. 1.8 air miles SW of Big Tujunga Dam, ca. 1.6 air miles NE of Mt. Lukens ca. 0.9 air mile SE of Big Tujunga USFS Station San Gabriel Mountains 598 Comment
  CAS-BOT-BC400319  Anemopsis californica Carl B. Wolf 1932-5-12 3587 Los Angeles Santa Catalina Island. 3/4 mi. from Little Harbor on road to Isthmus 30 Comment
  POM2018  Anemopsis californica Edwin T. Brink 1900-06 89 Los Angeles North of Claremont. 366 Comment
  UC54952  Anemopsis californica H. P. Chandler 1902-9-9 4038 Los Angeles Ballona Marsh Comment
  RSA598577  Angelica tomentosa L. C. Wheeler 1968-6-16 s.n. Los Angeles San Gabriel Mountains. Divide between Cucamonga Canyon and Stoddard Canyon. 1066 Comment
  UCR190394  Anisocoma acaulis R. G. Swinney 2001-4-18 7902 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  CATA1119  Anthemis cotula Mark L. Hoefs 1995-5-23 2084 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  CATA1312  Anthemis cotula Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2403 Los Angeles Santa Catalina Island: Lower Cape Canyon, just up from Middle Canyon 213 Comment
  JEPS83433  Antirrhinum coulterianum David M. Thompson 1983-5-14 309 Los Angeles hill directly across Sand Canyon Road from Live Oak Picnic Area (San Canyon Road); Mint Canyon Quad. (7.5', 1960) 640 Comment
  UCR259760  Antirrhinum coulterianum R. G. Swinney 2010-5-11 12640 Los Angeles San Gabriel Mountains, Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  RSA244387  Antirrhinum coulterianum Robin S. Collins 1973-5-28 324 Los Angeles Angeles National Forest; Trail Canyon, 2.5-3 miles into canyon from beginning of pack trail. 884 Comment
  RSA656384  Antirrhinum majus Gerald Pitto 1980-5-28 39 Los Angeles Verdugo Mountains: 3817 Forest Glen Drive, La Crescenta 518 Comment
  RSA0098608  Antirrhinum multiflorum R. G. Swinney 2011-6-14 15122 Los Angeles San Gabriel Mountains: Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  RSA578538  Antirrhinum multiflorum Tim S. Ross, Steve D. Boyd 1994-6-22 8021 Los Angeles Warm Springs Canyon: 0.5 road mile W of Lake Hughes Road along Forest Service road 6N32 649 Comment
  RSA607559  Antirrhinum multiflorum Louis C. Wheeler 1932-5-27 767 Los Angeles Thompson Creek Dam near Claremont 488 Comment
  SFV16678  Antirrhinum multiflorum P. Wilson, J. M. Albert 1996-6-12 3446 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  UCR88698  Antirrhinum multiflorum Scott D. White 1995-10-19 3698 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  CATA3050  Aphanes occidentalis Amy Catalano 2016-3-25 062 Los Angeles Santa Catalina Island: Fern Canyon, about 0.5 miles up canyon, flats south of drainage bottom 172 Comment
  RSA65886  Aphanisma blitoides P. A. Munz 1923-4-10 3479 Los Angeles San Clemente Island, middle of island Comment
  RSA660871  Aphanisma blitoides Orlando Mistretta 1992-4-4 134 Los Angeles San Clemente Island. Comment
  UC1215170  Aphanisma blitoides Peter H. Raven 1962-4-11 17268 Los Angeles sandy beach due w Wall 2; San Clemente Island 9 Comment
  UCR153562  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2005-4-26 29726 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, spur at NE end of Cruzan Mesa, south of Vasquez Canyon road, near powerlines 610 Comment
  RSA594471  Apium graveolens Steve Boyd, Lauren Raz 1996-9-24 8937 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
  RSA0025737  Apocynum androsaemifolium Duncan S. Bell, Caitlin Elam 2013-7-11 5348 Los Angeles Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  UCSB4908  Apocynum cannabinum Wedberg, H. 1958-7-3 Los Angeles About 5 mi. below Crystal L., San Gabriel Mtns. Comment
  UCR210263  Aquilegia formosa R. G. Swinney 2008-8-14 9432 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA587993  Aquilegia formosa Orlando Mistretta, Tim S. Ross 1994-6-1 1302 Los Angeles San Gabriel Mountains: Santiago Canyon. 1610 Comment
  UCR85827  Arabis glabra T. S. Ross 1991-8-16 5822 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  RSA586985  Arabis pulchra Orlando Mistretta 1992-5-8 311 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  UCR78139  Arabis pulchra Wandalee Thompson 1964-4-11 19 Los Angeles Transverse Range; Liebre Mtns., De La Fodor Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  RSA0128633  Arabis repanda var. repanda F. W. Peirson 1921-6-16 2498 Los Angeles North slope of Mt. Waterman, San Gabriel Mts. 1981 Comment
  POM2150  Arceuthobium campylopodum I. M. Johnston 1917-8-22 1720 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  CAS-BOT-BC102250  Arctium lappa Philip A. Munz 1950-8-10 15477 Los Angeles north end of Indian Hill Mesa, Claremont Comment
  CAS-BOT-BC23865  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
  CHSC90067  Arctostaphylos glandulosa D. G. Miller III 2001-5-21 Los Angeles UCLA Student Ranch in the Santa Monica Mts. Comment
  RSA626708  Arctostaphylos glandulosa P. H. Raven, H. J. Thompson 1960-4-13 15079 Los Angeles On northwest slope of Mount Hollywood, Santa Monica Mountains. 335 Comment
  RSA626736  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7231 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626765  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi 1992-8-20 20335 Los Angeles Road to Mt. Gleason, 5 km west of Mill Creek Summit. 1670 Comment
  CAS-BOT-BC23242  Arctostaphylos glandulosa subsp. glandulosa LeRoy Abrams 1901-4-13 1500 Los Angeles Wilson's Trail 609 Comment
  RSA626761  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25172 Los Angeles Shortcut Rd., and Angeles Crest Hwy., San Gabriel Mountains 1200 Comment
  RSA626772  Arctostaphylos glandulosa subsp. mollis T. S. Ross, W. Appleby 1993-5-19 7169 Los Angeles Western San Gabriel Mtns: ca.80m S of Wilson Canyon Saddle along old loop road 951 Comment
  UC1211113  Arctostaphylos glandulosa subsp. mollis Huron H. Smith 1912-4-30 4859 Los Angeles top Mt. Wilson 2034 Comment
  RSA631462  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16032 Los Angeles Ridge Route, 18 km south of Liebre Gulch turnoff. 900 Comment
  RSA631475  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15760 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631582  Arctostaphylos glauca Jon E. Keeley 1993-11-20 25175 Los Angeles Tuna Canyon Road and Reigate Road. 700 Comment
  RSA631669  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15813 Los Angeles San Gabriel Canyon, Highway 39, 9-10 km north of ORV area. 900 Comment
  RSA634686  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20329 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634704  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20237 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634827  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22015 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA634848  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20541 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634860  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20545 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634931  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20538 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA635061  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20383 Los Angeles Road to Pacifico Mtn., 3.7 km east of Mill Creek Summit, San Gabriel Mtns. 1710 Comment
  RSA635072  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20367 Los Angeles Road to Mt. Gleason, 13.7 km west of Mill Creek Summit, San Gabriel Mtns. 1805 Comment
  RSA635108  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20447 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635161  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20275 Los Angeles Angeles Forest Hwy., 1.7 km N of Mill Creek Summit. San Gabriel Mtns. 1385 Comment
  RSA635165  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22041 Los Angeles Dirt road between Chilao and Mill Creek Summit, 2.7 km E of turnoff to Pacifico Mtn., San Gabriel Mtns. 1825 Comment
  RSA635172  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20579 Los Angeles Road to Suphur [Sulphur] Springs Cpgrd., across from Singing Pines Camp, 1.7 km N of Angeles Crest Hwy, N of Chilao. San Gabriel Mtns. 1640 Comment
  UCR47374  Arctostaphylos patula David Charlton 1986-6-15 286 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA65500  Arenaria macradenia var. arcuifolia F. W. Peirson 1929-7-1 8430 Los Angeles Aliso Creek at Tie Canyon. 1356 Comment
  LA200962  Argemone munita Carl Wishner; 1989-4-15 1778 Los Angeles 396 Comment
  RSA532659  Argemone munita Tim S. Ross 1991-8-14 5759 -B Los Angeles Roundtop Mountain. 1878 Comment
  RSA0034600  Aristida divaricata George B. Grant 1905-4-2 s.n. Los Angeles Altadena Comment
  UCR212767  Artemisia californica Ellen Mackey, Bart O'Brien, Blake Whittington 2006-10-19 NFWF- 1799 Los Angeles San Gabriel Valley, San Gabriel River Watershed, Lario San Gabriel River Trail Park, northeast of East Huntington Drive 180 Comment
  CATA1517  Artemisia douglasiana Mark L. Hoefs, Steven A. Junak 1996-7-9 2735 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  LA200159  Artemisia douglasiana T. A. Geissman; 1967-9-16 TAG 91667 SY-AD Los Angeles Santa Monica Mountains, Santa Ynez Canyon, at Sunset Blvd 38 Comment
  RSA187682  Artemisia douglasiana R. F. Thorne 1966-9-14 36631 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. 198 Comment
  SBBG118762  Artemisia douglasiana F. R. Fosberg 1931-7-11 5381 Los Angeles Cape Cyn 220 Comment
  UCR276759  Artemisia douglasiana R. G. Swinney 2011-10-13 15776 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  RSA0110755  Artemisia dracunculus R. G. Swinney 2011-10-25 15868 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  RSA596709  Artemisia dracunculus Steve Boyd, Lauren Raz 1996-9-24 8922 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
  UCSB51446  Artemisia dracunculus Hodgson, John 1928-10-15 Los Angeles At Bailey Place, Peace Valley; Santa Barbara-Tejon Dist. Forest 944 Comment
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Apr 1 2015
  SBBG109039  Artemisia nesiotica S. A. Junak 1996-5-31 SCl 559 Los Angeles N rim of Eel Cove Cyn 91 Comment
  CAS-BOT-BC140687  Artemisia tridentata A. C. Sanders; Mark Elvin 2003-8-7 27161 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom east of Del Valle 282 Comment
  CAS-BOT-BC97271  Artemisia tridentata subsp. parishii Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  LA11608  Arundo donax Louis Wheeler; 1931-9-12 142 Los Angeles Eagle Rock 243 Comment
  RSA611050  Arundo donax L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  UCR186654  Asclepias californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32219 Los Angeles Tehachapi Mtns. Foothills, hills immediately NW of Quail Lake, vicinity of Benchmark 3562/Quail 1098 Comment
  RSA0127187  Asclepias eriocarpa Louis C. Wheeler 1967-7-23 10150 Los Angeles Angeles National Forest. Indian Canyon. 731 Comment
  SEINET10862418  Asclepias eriocarpa Louis C. Wheeler 1946-8-24 Wheeler 6244 Los Angeles San Gabriel Mountains. Wawaona Lodge (site) adjacent to Crystal Lake 1699 Comment
  LA200066  Aspidotis californica Lawrence L. Kiefer; 1966-3-12 1718 Los Angeles SANTA MONICA MOUNTAINS, Tuna Canyon, Tuna Canyon Road, ca 3 mi above Hwy 1, ravine just W of road. 289 Comment
  RSA686316  Aspidotis californica Blanche Trask 1897-03 181 Los Angeles Avalon, Catalina island Comment
  CHSC8346  Asplenium vespertinum Edward L. Smith 1957-2-20 330 Los Angeles Located in Upper Palmer Canyon, San Gabriel Mtns. 762 Comment
  UCR146502  Aster greatae Scott D. White 2004-7-28 10650 Los Angeles San Gabriel Mtns., Clear Creek area. In and around the 'The Pines' Picnic area, immediately south of Angeles Forest Hwy, c. 0.5 mi west of jtn. with Angeles Crest Hwy. 1052 Comment
  UCR61523  Aster greatae T. P. Krantz 1988-4-19 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Pole Creek 612 Comment
  RSA415429  Astragalus coccineus Albert J. Perkins 1919-5-30 s.n Los Angeles Big Rock Creek, Antelope Valley. Comment
  RSA415474  Astragalus didymocarpus var. dispermus Anstruther Davidson 1926-05 s.n. Los Angeles Llano, Mojave Desert. Comment
  RSA134859  Astragalus gambelianus P. H. Raven, Henry J. Thompson 15044 Los Angeles Just West of Triunfo Pass. 640 Comment
  UCR149528  Astragalus lentiginosus var. antonius R. G. Swinney 1997-6-25 5641 Los Angeles San Gabriel Mtns., southwest of Wrightwood, Blue Ridge c. 0.5 mi. west of Guffy Camp, Forest Service Rd. 3N06, c. 5.1 miles east of Hwy 2 2518 Comment
  SDSU19657  Astragalus nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas 2000-7-19 2185 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  UC397224  Astragalus pycnostachyus var. lanosissimus G. B. Grant 1904-7-8 6317 Los Angeles Cienega Comment
  UC55018  Astragalus pycnostachyus var. lanosissimus H. P. Chandler 1902-9-9 2045 Los Angeles Ballona Marshes Comment
  POM246540  Astragalus trichopodus P. A. Munz 1931-3-31 S- 4431 Los Angeles Avalon, Santa Catalina Island. 10 Comment
  CAS-BOT-BC194033  Astragalus trichopodus var. lonchus Ernest Braunton 1903-3-1 874 Los Angeles Playa del Rey Comment
  SBBG128437  Astragalus trichopodus var. lonchus M. L. Hoefs 1995-5-23 2072 Los Angeles Middle Cyn near jct of Middle Cyn Rd and rd to Camp Cactus 118 Comment
  UC565995  Astragalus trichopodus var. phoxus A. D. Gifford 1935-3-15 462 Los Angeles 4 1/2 mi sw Red Mountain; Tejon Quad., sw of Red Mountain Comment
  UCR41092  Atriplex argentea subsp. expansa F. C. Boutin 1967-4-23 1622 Los Angeles San Clemente Island, N end of island. Shallow gully between NW Harbor and airstrip 43 Comment
  RSA452706  Atriplex californica Anstruther Davidson 1901-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA341621  Atriplex californica F. C. Boutin 1967-4-23 1639 Los Angeles San Clemente Island: Wilson Cove Comment
  RSA774235  Atriplex confertifolia R. G. Swinney 2009-5-5 10637 Los Angeles Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  SD69367  Atriplex coulteri Robert F. Thorne, P. Everett 1965-5-11 34645 Los Angeles Santa Catalina Island; along road from Rancho Escondido above Cottonwood Dam in Cottonwood Canyon. 105 Comment
  RSA454007  Atriplex prostrata Robert Gustafson 1980-9-16 1912 Los Angeles Ballona Wetlands, Area 1. Comment
  CHSC62044  Atriplex semibaccata L. P. Janeway 1993-10-5 4613 Los Angeles Puente Hills; ridgetop between the heads of Arroyo San Miguel and Arroyo Pescadero. 281 Comment
  UC1215215  Atriplex semibaccata Peter H. Raven 1962-7-10 17948 Los Angeles near w shore San Clemente Island w Wall 2, San Clemente Island; near w shore San Clemente Island Comment
  RSA478346  Atriplex subspicata Anstruther Davidson 1923-1 s.n. Los Angeles Balboa? Comment
  CATA1239  Atriplex watsonii Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2317 Los Angeles Santa Catalina Island: Ballast Point at Catalina Harbor 2 Comment
  RSA385386  Avena fatua Joseph A. Ewan 1933-5-13 10935 Los Angeles Los Angeles. Comment
  UCSB6776  Avena fatua Haller, John 1950-5-9 Los Angeles NE corner of Pico Blvd and Kerwood Ave; Los Angeles 90064 Comment
  LA11003  Avena fatua s.n. Los Angeles Comment
  CATA1703  Avena sativa Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-6 3020 Los Angeles Santa Catalina Island: Parson's Landing 4 Comment
  RSA599026  Baccharis pilularis L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Head of Reynier Canyon off Sand Canyon 595 Comment
  UC1281267  Baccharis pilularis H. E. McMinn 1924-7-25 1321 Los Angeles Catalina Island Comment
  CAS-BOT-BC98172  Baccharis salicifolia Geo. B. Grant 1901-3-1 3493 Los Angeles Los Angeles Comment
  POM293912  Baccharis salicifolia Lyman Benson 1946-11-21 12250 Los Angeles Divide between Little Dalton canyon and San Gabriel River 610 Comment
  RSA596032  Baccharis salicifolia Timothy S. Ross, J. Mark Porter 1995-5-4 8450 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR92109  Baccharis salicifolia B. G. Pitzer, Paul Gomez 1996-4-28 2743 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  RSA93203  Baccharis salicifolia F. W. Peirson 1924-12-3 5384 Los Angeles San Gabriel Wash at Foothill Boulevard, Azusa. Comment
  UC166762  Baccharis salicifolia subsp. salicifolia Geo. B. Grant 1904-5-5 97 Los Angeles Arroyo Seco Canyon San Gabriel Mts., Arroyo Seco Canyon 609 Comment
  UC893726  Baccharis salicifolia subsp. salicifolia Marcus E. Jones, A. M. 1882-2-25 3021 Los Angeles Pasadena Comment
  UC525799  Bassia hyssopifolia H. E. McMinn 1928-8-2 Los Angeles Norwalk Comment
  RSA650241  Beloperone guttata E. W. Lathrop 1949-1-30 s.n. Los Angeles Miramonte Blvd., Los Angeles. 61 Comment
  POM53945  Bidens laevis Edward L. Greene 1903-10-1 3727 Los Angeles Pomona. Comment
  CHSC109273  Bidens pilosa Scott D. White 2003-10-14 9829 Los Angeles San Gabriel Mountains: Foothills above Sierra Madre. Los Angeles Dep. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Ave. 396 Comment
  SEINET10757249  Bidens pilosa David B. Dunn 1941-2-23 Dunn 692 Los Angeles Two blocks north of Santa Monica Blvd. on Westwood Blvd. Comment
  UC1133858  Bloomeria crocea A. D. Gifford 1935-5-14 710 Los Angeles 3 1/2 mi. w. Manzana; Tejon Quad. Comment
  CATA244  Bloomeria crocea Mark L. Hoefs, A. Douglas Propst 1973-5-4 241 Los Angeles Santa Catalina Island: By road, 1/4 mile west of Little Harbor, east exposure 30 Comment
  POM308892  Bloomeria crocea Kay H. Beach 1942-5-29 626 Los Angeles Near water tank above the San Dimas SRE. San Dimas Experimental Forest, U.S. Forest Dept. Comment
  SEINET3884831  Bloomeria crocea var. montana Timothy S. Ross, Steve Boyd 1994-6-23 8061 Los Angeles Flora of the Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch. Burnt Peak 7.5' USGS Quadrangle. Elevation ca 4800-5240 feet.; 0 1494 Comment
  POM307358  Boechera californica Henry J. Ramsey 1937-3-21 2181 Los Angeles North Craig Ave., Altadena. Comment
  RSA679270  Boechera californica V. Soza, Bill Hogshead 2002-5-10 1462 b Los Angeles Along Upper Monroe Road, approximately 6.1 km NNW of Glendora Mountain Road, upper Venedo Canyon. 854 Comment
  SBBG129315  Boechera californica A. Parikh, N. Gale 2012-5-3 3585 Los Angeles W Fork San Gabriel River, 0.1 km E of Glenn Trail Camp, 7.6 km W of State Hwy 39 (San Gabriel Cyn Rd) 608 Comment
  CAS-BOT-BC30967  Bolboschoenus maritimus Joseph Cook (Rev.) Nevin 1904-5-1 s.n. Los Angeles Los Angeles River. Comment
  UCR202529  Boschniakia strobilacea R. G. Swinney 2001-8-9 8011 Los Angeles San Gabriel Mtns., east peak on Pleasant View Ridge 2504 Comment
  CATA480  Bothriochloa barbinodis Sara L. Crockett, Mark Hoefs, Steve Junak, Janet Takara 1997-3-28 622 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking mud flats, ca. 20 - 30 m upslope 42 Comment
  RSA657927  Bougainvillea spectabilis S. Campbell 1980-6-2 29 Los Angeles Verdugo Mountains; Approx. 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  CATA2043  Bowlesia incana Steven A. Junak, Keri Kirkland 1998-6-11 Los Angeles Santa Catalina Island: E side of island, in lower portion of small canyon just SE of Frog Rock 15 Comment
  CATA369  Bowlesia incana Mark L. Hoefs 1974-3-28 419 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, north exposure 251 Comment
  RSA729749  Boykinia rotundifolia R. G. Swinney 1999-7-28 7595 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
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Oct 3 2010
  RSA84353  Boykinia rotundifolia F. W. Peirson 1904-8-28 74 Los Angeles Little Santa Anita Canyon, south base of San Gabriel Mts. Comment
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Feb 1 2012
  UCR108322  Boykinia rotundifolia L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mtns., Head of Whitney Canyon at Santa Clara Divide Road 915 Comment
  CATA1838  Brachypodium distachyon Denise Kraus 2000-4-27 17 Los Angeles Santa Catalina Island: (Goat Harbor burn area) On eastern side of large, obvious rocky outcrop which is on western fuel break ridge. At GHB Transect 15 381 Comment
  UCR178379  Brassica geniculata LeRoy Gross 2003-3-9 785 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora), Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south 357 Comment
  UCR198286  Brassica rapa LeRoy Gross 2006-1-28 2452 Los Angeles Transverse Ranges, Verdugo Mountains, northwest tip of the Verdugo Range, just east of Hansen Dam, west side of Wentworth Street, north of Stonehurst Avenue 305 Comment
  SEINET10626312 Image available Brassica rapa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2576 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  CLARK-A1528-2299  Brassica rapa subsp. sylvestris John C. Roos 1943-2-7 Los Angeles West Los Angeles Comment
  LA203091  Brickellia californica Joseph Andorfer Ewan; 1930-10-22 3433 Los Angeles Bouquet Canyon, 5 mi. above of mouth Comment
  RSA3306  Brickellia californica C. B. Wolf 1931-10-20 2466 Los Angeles 1/2 mile above Montrose, on road from Tujunga to La Canada 457 Comment
  SBBG12905  Brickellia californica E. R. Blakley 1962-10-5 5451 Los Angeles above stream, Cottonwood Cyn, 0.25 mi upstream from ocean 30 Comment
  RSA225714  Brickellia nevinii R. F. Thorne, A. C. Gibson 1971-5-22 39734 Los Angeles San Gabriel Mts., Angeles National Forest. Fish Canyon. 305 Comment
  RSA232814  Brodiaea kinkiensis Robert F. Thorne 1966-4-17 36089 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SD51933  Bromus berteroanus Peter H. Raven 1962-4-10 17185 Los Angeles San Clemente Island, above Wilson Cove. 199 Comment
  RSA251489  Bromus carinatus R. F. Thorne 1973-4-11 42840 Los Angeles San Clemente Island: Norton Canyon. 274 Comment
  UC1584928  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1991-7-24 5617 Los Angeles nne of Granite Mountain 1874 Comment
  UCR272565  Bromus carinatus var. carinatus R. G. Swinney 2011-6-7 15063 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  CDA34932  Bromus diandrus R. G. Swinney 2005-4-15 8215 Los Angeles San Gabriel Mountains; Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail. Comment
  POM363402  Bromus diandrus Donald Tahara 1975-5-1 64 Los Angeles 0.5 mile North Rocky Point, Palos Verdes Peninsula. 30 Comment
  SFV21855  Bromus diandrus J. N. Hogue 2011-3-1 s. n. Los Angeles Los Angeles Basin Los Angeles, Eagle Rock. 207 Comment
  UCD58513  Bromus diandrus Fay A. MacFadden 1935-4-12 s.n. Los Angeles Weldon Canyon. Comment
  UCD58579  Bromus diandrus Robert D. Clarke 1979-4-15 s.n. Los Angeles Central Los Angeles. Comment
  UCR205056  Bromus diandrus R. G. Swinney 2008-3-31 8590 Los Angeles San Gabriel Mtns., Glendora Mountain summit 1013 Comment
  RSA702155  Bromus grandis Michael Honer 2004-6-22 1988 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  CATA900  Bromus hordeaceus Mark L. Hoefs, Robert F. Thorne 1992-4-1 1734 Los Angeles Santa Catalina Island: By road past Isthmus, just before Emerald Bay 15 Comment
  CHSC36027  Bromus hordeaceus James Henrickson 1979-5-18 18136 Los Angeles Ca 1 mile N of Valencia, E of College of the Canyon between Valencia and McBean Parkway. 426 Comment
  RSA600362  Bromus hordeaceus Steve Boyd, Lauren Raz 1997-5-28 9875 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
  RSA708551  Bromus hordeaceus Valerie L. Soza, LeRoy Gross 2001-5-9 1195 -c Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UCR147606  Bromus laevipes Naomi Fraga, Paul Morton 2004-5-18 1183 Los Angeles Transverse Ranges; San Gabriel Mountains region, On ridgeline of Mount Hillyer, near summit 1860 Comment
  CATA901  Bromus madritensis subsp. rubens Mark L. Hoefs, Robert F. Thorne 1992-4-1 1735 Los Angeles Santa Catalina Island: By road past Isthmus, just before Emerald Bay 15 Comment
  POM21192  Bromus rubens P. A. Munz 1923-4-10 6711 Los Angeles San Clemente Island, middle of island Comment
  POM363929  Bromus rubens Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA188000  Bromus rubens R. F. Thorne, Percy C. Everett 1965-6-22 34884 Los Angeles Santa Catalina Island. Canyon W of East Peak 396 Comment
  UCR130828  Bromus rubens David Charlton 1989-4-21 2897 Los Angeles Mojave Desert (W): Antelope Valley, Ave. 'B' between 120th and 140th St. East, just south of Edwards Air Force Base. 701 Comment
  UCR280576  Bromus rubens R. G. Swinney 2014-4-18 16130 Los Angeles San Gabriel Mountains, NE of Littlerock Dam, north end of Alimony Ridge, south side of Mt. Emma Rd., to 75 m south of road 976 Comment
  IRVC26167  Bromus sterilis A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26240 Los Angeles Charlie Canyon, Castaic Mesa area, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  CATA3302  Cakile maritima Amy Catalano, Jen Dreizehn 2017-3-16 019 Los Angeles Santa Catalina Island: Rippers Cove 4 Comment
  UCR152453  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  CAS-BOT-BC233955  Calandrinia breweri John Thomas Howell 1928-3-4 3384 Los Angeles Santa Monica Mts., ne. of Pacific Palisades Comment
  RSA11024  Calandrinia ciliata C. B. Wolf 1928-3-29 1604 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  POM785  Calandrinia ciliata P. A. Munz 1918-4-5 2027 Los Angeles Pomona. Comment
  RSA151220  Calandrinia ciliata P. H. Raven 1962-4-10 17198 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  POM199150  Callitriche marginata L. C. Wheeler 1933-4-9 1630 Los Angeles La Verne (Damar Sta.) 274 Comment
  RSA0081390  Calocedrus decurrens R. G. Swinney 2010-9-13 13810 Los Angeles Crystal Lake, within 100 m of shoreline. 1683 Comment
  CATA518  Calochortus catalinae Sara L. Crockett 1997-4-22 665 Los Angeles Santa Catalina Island: First N/S-trending ridge leading to Pacific Ocean, E of jct. of Wrigley Memorial Trail with East End Road, ca. 75 m S of road 291 Comment
  POM157977  Calochortus catalinae M. B. Dunkle 1928-3-17 1752 Los Angeles Santa Catalina Island. Isthmus. 91 Comment
  POM230716  Calochortus catalinae I. W. Clokey, E. G. Anderson 1935-5-9 6545 Los Angeles Puddingstone Dam Comment
  RSA369072  Calochortus catalinae Geo L. Moxley 1913-9-1 s.n. Los Angeles Near Sturtevants Camp, Santa Anita Canyon. Comment
  RSA377284  Calochortus catalinae Freda Detmers 1929-4-14 s.n. Los Angeles Descanso Canyon, Santa Catalina Island. Comment
  RSA377291  Calochortus catalinae Louis C. Wheeler 1932-4-2 556 Los Angeles Head of Mandeville Canyon, Santa Monica Mountains. 488 Comment
  RSA377295  Calochortus catalinae Thomas Moore 1947-5-3 3 Los Angeles Topanga Canyon, Comment
  LA200918  Calochortus clavatus Jonathan Sauer; D. Bradbury 1969-6-4 4561 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA681858  Calochortus clavatus Scott D. White, Michael Honer 2003-6-18 9567 Los Angeles Canyon Country. Steep, actively eroding slopes immediately above homes and detention basins in tributary to west of Tick Canyon. 549 Comment
  RSA716600  Calochortus clavatus Charlie Hohn 2006-5-30 2 Los Angeles Roadcut on south side of USFS road 5N30, between Lake Hughes Road and crossing of Charlie Creek. 600 Comment
  POM1711  Calochortus invenustus I. M. Johnston 1917-7-4 1379 Los Angeles Bear Flat Trail to Baldy Comment
  UCR205611  Calochortus kennedyi var. kennedyi R. G. Swinney 2008-5-12 8838 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
  RSA584768  Calochortus plummerae Timothy S. Ross 1992-7-17 6737 Los Angeles San Gabriel Mountains: Saddle between Fox (triangulation point, 5033-ft) and knoll ESE of it, on steep divide between Fox Creek and Fusier Canyon. 1451 Comment
  UC69799  Calochortus plummerae J. Q. Adams 1905-6-24 Los Angeles Santa Monica Mts. Comment
  SEINET7042274  Calochortus plummerae A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  CAS-BOT-BC496764  Calochortus venustus James L. Reveal 1988-5-17 6788 Los Angeles Along the Bouquet Canyon Road east of Bouquet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction on San Francisco Road at the . 1127 Comment
  UCR110885  Calyptridium monandrum A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21998 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR258902  Calyptridium monandrum R. G. Swinney 2010-4-30 12461 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, 0.67 miles east of Wilson Cyn. Debris Basin on south side of the ridge south of the southern of the two eastern forks of Wilson Cyn. 616 Comment
  RSA0098173  Calyptridium monospermum R. G. Swinney 2011-8-5 15604 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  CHSC8092  Calystegia Edward L. Smith 1958-4-5 464 Los Angeles Located in Live Oak Canyon near Live Oak Dam, San Gabriel Mountains. 457 Comment
  RSA0008260  Calystegia felix Anstruther Davidson 1899-1 2144 Los Angeles Near University Station. Comment
  CAS-BOT-BC32310  Calystegia macrostegia subsp. amplissima Ira Loren Wiggins 1949-2-22 11964 Los Angeles near NE end of San Clemente Island 38 Comment
  UCR273251  Calystegia macrostegia subsp. arida R. G. Swinney 2011-5-6 14622 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  CHSC36127  Calystegia macrostegia subsp. cyclostegia K. Bridwell 1978-6-17 141 Los Angeles Along fireroad on NE slope of Verdugo Mts, ca 1/4 mi W of Beaudry, ca. 2 mi W of Verdugo Rd, Glendale 365 Comment
  RSA574329  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1994-6-20 2955 Los Angeles South Fork Lytle Creek 1000 Comment
  RSA643398  Calystegia occidentalis subsp. fulcrata Orlando Mistretta, Joe Mistretta 1992-9-22 s.n. Los Angeles Pacific Crest Trail, from Cloudburst Summit to Cooper Camp. Comment
  RSA680193  Calystegia occidentalis subsp. fulcrata Valerie L. Soza, Naomi Fraga 2003-6-13 1668 Los Angeles Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06. 2530 Comment
  RSA394826  Calystegia soldanella Jack Rempel 1932-4-24 15242 Los Angeles El Segundo Comment
  UCR190802  Camissonia R. G. Swinney 1999-7-5 7543 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR220282  Camissonia R. G. Swinney 2009-4-24 10484 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  SEINET4680883  Camissonia bistorta A. C. Sanders, Helen Kennedy 2005-4-13 29490 Los Angeles Western San Gabriel/Liebre Mountains. Region: Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyon.; 0 457 Comment
  UCR270015  Camissonia bistorta R. G. Swinney 2010-3-24 12071 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  UCR99579  Camissonia bistorta Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA0039641  Camissonia californica R. G. Swinney 2010-5-29 13410 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  RSA0088571  Camissonia californica R. G. Swinney 2010-5-11 12688 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  UCR126863  Camissonia californica A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26210 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  RSA600030  Camissonia campestris subsp. campestris Steve Boyd, Lauren Raz 1997-3-25 9250 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA572173  Camissonia intermedia M. B. Dunkle 1939-4-6 7298 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA653130  Camissonia intermedia A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 29188 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot of mtns, ca. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation 1000 Comment
  RSA697026  Camissonia intermedia LeRoy Gross, P. Morton 2004-6-9 1342 Los Angeles West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road., Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1688 Comment
  RSA449030  Camissonia micrantha Anstruther Davidson 1911-5-28 2818 Los Angeles Chatsworth Park. Comment
  SDSU3386  Camissonia micrantha H. Wedberg 1958-4-30 271 Los Angeles at gate by the main parking lot, Rancho Santa Ana Botanic Garden, Claremont. Comment
  UCR258717  Camissonia pallida R. G. Swinney 2010-5-19 12832 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  POM126851  Camissonia pallida subsp. pallida Jos. Burtt Davy 1896-05 2529 Los Angeles Antelope Valley. Comment
  RSA187569  Camissonia robusta Peter H. Raven 1962-5-21 17811 Los Angeles Santa Catalina Island: lower end of Bullrush Canyon. 198 Comment
  POM31973  Camissonia strigulosa E. D. Palmer 1902-04 s.n. Los Angeles Sandy wash S.E. of Glendora. Comment
  UCR263056  Camissonia strigulosa Mitch Provance 2008-4-14 408- 11 Los Angeles Western Transverse Range; Liebre Mountains, southeast of Quail Lake, 1.4 miles southeast of Hwy 138 on FSR N2/Ridge Route Road 1160 Comment
  LA46700  Camissoniopsis bistorta H. L. Wedberg; 1957-3-24 sn Los Angeles Comment
  UCR166276  Camissoniopsis bistorta Scott D. White 1996-3-18 3839 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  CAS-BOT-BC160428  Camissoniopsis cheiranthifolia subsp. suffruticosa L. R. Abrams 1901-5-28 1679 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC160434  Camissoniopsis cheiranthifolia subsp. suffruticosa I. Johnston 1907-6-10 1334 Los Angeles Playa del Rey Comment
  LA82394  Camissoniopsis cheiranthifolia subsp. suffruticosa O. H. Kappler; 1941-4-9 189 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  UCSB8425  Camissoniopsis cheiranthifolia subsp. suffruticosa McElwain, Isabelle 1963-3-21 Los Angeles Point Dume 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
  SFV20870  Camissoniopsis hirtella L. Gross, L. Moore 2000-6-5 219 Los Angeles Verdugo Mountains Off La Tuna Canyon road on Santa Monica Mountains Conservancy Land near coordinates recorded. 579 Comment
  LA46799  Camissoniopsis intermedia Carl Epling; 1931-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  LA91419  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-3-20 20 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak. 594 Comment
  UC1587622  Camissoniopsis intermedia Tim Ross 1991-4-21 4534 Los Angeles dry ridgetop on n side 1000 ft nw old water tank; Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 280 Comment
  CHSC35420  Camissoniopsis pallida subsp. pallida James Henrickson 1973-5-12 9602 Los Angeles 6 (air) miles SE of Pearblossum, 4.6 (rd) miles S of Llano in lower portion of Bob's Gap along 165 St. 1234 Comment
  RSA604149  Capsella bursa-pastoris L. C. Wheeler 1972-4-9 s.n. Los Angeles San Gabriel Mountains: Georges Gap on divide between Clear Creek & Arroyo Seco. Comment
  RSA764925  Capsella bursa-pastoris Doris Hoover Bowers 1957-3-23 158 Los Angeles Rocky Point, LaVerne. 335 Comment
  SDSU2475  Capsella bursa-pastoris A. H. Gallup 1949-3-14 325 Los Angeles South Claremont in orchard. 351 Comment
  RSA639732  Capsella bursa-pastoris L. C. Wheeler 1969-4-1 s.n. Los Angeles San Gabriel Mountains: 0.4 mile southwest Big Cieneja on ridge on south side Big Dalton Canyon near mouth. 640 Comment
  POM346628  Cardamine californica var. californica Barry Burnell 1971-3-18 238 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  UC159223  Cardaria draba Theodore W. Minthorn 1910-10-9 5 Los Angeles Los Angeles Comment
  CAS-BOT-BC384771  Cardionema ramosissimum S. B. Parish; W. F. Parish 1882-10-1 933 Los Angeles Centenella Ranch Comment
  RSA747102  Carduus pycnocephalus A. C. Sanders, T. B. Salvato 2009-5-19 36815 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 110 Comment
  UCR223593  Carex R. G. Swinney 2009-6-8 11082 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
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Sep 12 2018
  CAS-BOT-BC17664  Carex alma Robert F. Thorne; M. Z. Thorne 1967-7-19 37160 Los Angeles Angeles National Forest. San Gabriel Mountains. Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  POM1430  Carex alma I. M. Johnston 1917-5-13 27 -D Los Angeles El Monte. 122 Comment
  RSA764065  Carex alma R. G. Swinney 2008-8-13 9394 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  POM184717  Carex alma Joseph A. Ewan 1932-5-29 7209 Los Angeles Mount Gleason 1737 Comment
  SEINET13323797  Carex alma I. W. Clokey 1930-5-13 4617 Los Angeles Boquet Canyon 450 Comment
  UCSB519  Carex alma Beach, Kay 1943-6-22 Los Angeles Sycamore Flat trail; San Dimas Experimental Forest; San Gabriel Mountains Comment
  UCR192661  Carex aurea R. G. Swinney 1999-8-14 7634 Los Angeles San Gabriel Mtns., upper Fish Fork San Gabriel River, c. 0.9 air mi. east of Upper Fish Fork Campground, 1.4. air mi. WSW of Dawson Peak 2146 Comment
  RSA669336  Carex barbarae LeRoy Gross, Naomi Fraga, Steve Williams 2002-7-17 560 Los Angeles North side: La Tuna Canyon, follow creekbed just north of La Tuna Canyon Road 295 Comment
  UCR150978  Carex multicaulis L. C. Wheeler 1968-5-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: NW slope Smith Mountain, along Bear Creek Trail 1250 Comment
  UCR99496  Carex pellita Steve Boyd, Lauren Raz 1997-5-28 9857 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Cyn, south of Liebre Mtn. 939 Comment
  CAS-BOT-BC118425  Carex praegracilis Joseph Andorfer Ewan 1932-4-30 7447 Los Angeles Pacific Electric Ry. Bridge, Culver City. Comment
  CAS-BOT-BC117940  Carex schottii George Bernard Grant 1902-2-16 5347 Los Angeles Pasadena by water course. Oak Knoll Comment
  SEINET3908519  Carex schottii Louis C. Wheeler 1933-5-12 1722 Los Angeles Shaded stream bed, Puddingstone Canyon, San Jose Hills.; 0 244 Comment
  UCR142889  Carex schottii L. C. Wheeler 1936-6-21 4169 Los Angeles San Gabriel Mtns, West Fork of Palmer Canyon 701 Comment
  UC128650  Carex spissa J. H. Barber 1898-7-3 795 Los Angeles Santa Monica Canyon Comment
  UCR129886  Carex subfusca Victor Duran 1933-7-21 3524 Los Angeles San Gabriel Mtns., Buckhorn 1982 Comment
  CATA1919  Carex triquetra Amy Catalano 2014-4-7 008 Los Angeles Santa Catalina Island: Along eastern corner of Exclosure 3A, ca. 1.5 air miles NNW of White's Landing 357 Comment
  RSA190964  Carex triquetra Robert F. Thorne, R. C. Rollins, D. Propst, R. Carolin 1967-3-18 s.n. Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  UCR45206  Carissa grandiflora A. C. Sanders 1986-7-30 6836 Los Angeles Pacific Slope, El Segundo Dunes, immediately west of Los Angeles International Airport and Pershing Dr., east of Vista Del Mar Blvd 31 Comment
  RSA554242  Castilleja affinis T. W. Minthorn 1923-4-3 s.n. Los Angeles Pacoima Wash. Comment
  LA52008  Castilleja affinis Carl Clawson Epling; 1926-3-20 8747 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  POM97376  Castilleja affinis subsp. affinis Thomas Craig 1926-4-5 s.n. Los Angeles Johnson's Pasture, north of Claremont. Comment
  RSA652578  Castilleja angustifolia G. F. Orr 1956-3-29 s.n. Los Angeles Elizabeth Lake Canyon. 488 Comment
  UCR190518  Castilleja applegatei R. G. Swinney 2000-6-19 7821 Los Angeles San Gabriel Mtns., Pine Mountain, north of Azusa 1384 Comment
  RSA729456  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-8 6326 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  OBI9671  Castilleja applegatei subsp. martinii Ruth C. Wilson 1961-4-11 s.n. Los Angeles Millard Cyn, San Gabriel Mt 610 Comment
  RSA448689  Castilleja applegatei subsp. martinii E. S. Spalding 1931-4-1 s.n. Los Angeles Monrovia Canyon. Comment
  RSA659357  Castilleja applegatei subsp. martinii D. Roche 1998-5-30 37 Los Angeles Mt. Baldy Road 5.8 miles from the intersection of Mills Ave. adn Mt. Baldy Rd. 982 Comment
  UC1349034  Castilleja exserta Robert F. Thorne and P. Everett 1965-5-12 34610 Los Angeles Bulrush Canyon; Santa Catalina Island 243 Comment
  JEPS10623  Castilleja exserta subsp. exserta W. L. Jepson 1939-4-21 19218 Los Angeles San Fernando Comment
  UCSB6116  Castilleja exserta subsp. exserta Ellis, Richard 1960-4-11 Los Angeles Tapia park; on Malibu Cyn Rd; approx. 8 mi N of 101 hiway 609 Comment
  POM71679  Castilleja foliolosa Philip A. Munz, M. Hill 1925-3-16 9355 Los Angeles Cobal Canyon, north of Claremont. 518 Comment
  RSA400556  Castilleja foliolosa Bonnie C. Templeton, I. W. Clokey 1930-4-18 1059 Los Angeles San Francisquito Canyon, San Gabriel Mts. 274 Comment
  RSA296362  Castilleja gleasoni R. C. Bacigalupi, G. T. Robbine, L. R. Heckard 1953-6-15 4204 Los Angeles Just below summit of Mt. Gleason, 16.0 miles east of begining of Mendall Ridge Forest Service Road. Angeles National Forest 1829 Comment
  UCR20067  Castilleja gleasoni T. P. Krantz 1979-6-21 s.n. Los Angeles San Gabriel Mtns, 0.3 mi below Alder Saddle on 5N04, along South Fork of Little Rock Creek 1677 Comment
  RSA81475  Castilleja minor subsp. spiralis F. W. Peirson 1924-8-23 5049 Los Angeles West Fork of San Gabriel River. 412 Comment
  CATA2076  Casuarina equisetifolia Amy Catalano, Anne Kelly 2014-10-14 020 Los Angeles Santa Catalina Island: Blackjack Campground 460 Comment
  RSA651546  Casuarina equisetifolia D. W. Smith 1949-2-13 s.n. Los Angeles Tujunga. 518 Comment
  SD262240  Caulanthus cooperi R. G. Swinney 2014-4-30 16268 Los Angeles San Gabriel Mountains: 3.8 - 4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road to ridge. C. 3 acres burned in 2012. 1387 Comment
  UC1126947  Caulanthus coulteri A. D. Gifford 1935-3-6 443 Los Angeles 2-8/10 mi sw Red Mtn; Tejon Quad., Angeles National Forest Comment
  UCR190614  Caulanthus heterophyllus R. G. Swinney 2000-6-25 7798 Los Angeles San Gabriel Mtns., west tributary of San Antonio Canyon, between Evey and Spruce canyons 939 Comment
  LA41985  Ceanothus crassifolius C. L. Hogue; 1954-4-11 sn Los Angeles Pacoima, Small side canyon off Pacoima Canyon 548 Comment
  POM305312  Ceanothus crassifolius Henry J. Ramsey 1937-3-22 632 Los Angeles Sunland Comment
  SFV22142  Ceanothus crassifolius V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 764 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mountainway. Open, west-northwest-facing slope below trail along ridgetop. 488 Comment
  UCR95486  Ceanothus crassifolius L. C. Wheeler 1970-3-28 s.n. Los Angeles San Gabriel Mtns., Bootleggers Canyon 884 Comment
  CAS-BOT-BC48875  Ceanothus cuneatus Carl B. Wolf 1941-7-1 10939 Los Angeles Lower end of Bouquet Canyon, 3 2/10 mi. above Saugus, or about 1/2 mi. above crossing of aqueduct 396 Comment
  RSA615925  Ceanothus cuneatus Scott D. White, B. Leatherman 1997-1-14 s.n. Los Angeles Northwest San Gabriel Mountains, Santa Clara River Watershed: Pole Canyon adjacent to existing gravel quarry and haul roads; slope and wash adjacent to helicopter pad. Site proposed for future mining. 549 Comment
  SEINET6078636  Ceanothus cuneatus Unknown Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA748444  Ceanothus integerrimus Orlando Mistretta 1992-8-20 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt. Gleason. Tujunga Ranger District. Comment
  RSA95335  Ceanothus integerrimus F. W. Peirson 111 Los Angeles Mt. Lowe, San Gabriel Mountains. Comment
  UC1070850  Ceanothus leucodermis R. St. John 1930-2-15 97 Los Angeles Oat Mountain Santa Susana quad. 1066 Comment
  UC450892  Ceanothus leucodermis F. A. M. 1931-4-10 2580 Los Angeles Tejunga Canyon Comment
  RSA127429  Ceanothus megacarpus H. J. Thompson 1959-2-23 1853 Los Angeles Latigo Canyon road, 1.5 miles SE of Mulholland Hwy, W slope of Castro Peak 610 Comment
  SBBG68375  Ceanothus megacarpus var. megacarpus M. N. Ackley -Apr-1929 Los Angeles Mulholland Drive 609 Comment
  UCSB3924  Ceanothus megacarpus var. megacarpus Haller, Norman 1953-3-29 Los Angeles 2 blks. West of Sepulveda on little dirt road off Mulholland 426 Comment
  RSA393725A  Ceanothus oliganthus var. oliganthus Louis Greata 1931 Los Angeles San Gabriel Mountains, Southern California Comment
  CAS-BOT-BC63309  Ceanothus spinosus John Thomas Howell 1928-3-2 3368 Los Angeles Vermont Canyon, Griffith Park. Comment
  UC1071384  Ceanothus spinosus A. E. Wieslander 1933-3-27 285 Los Angeles Head of Topanga Creek 533 Comment
  UCR272979  Ceanothus vestitus R. G. Swinney 2011-6-15 15174 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SFV7520  Centaurea benedicta S. Feldman, M. H. Grayum 1975-5-13 107 Los Angeles Santa Monica Mountains Tapia Park. 152 Comment
  CDA34296  Centaurea melitensis M. O'Brien 2011-6-14 MOB 11 -6 Los Angeles Santa Monica Mountains; Tapia County Park. 152 Comment
  RSA0053864  Centaurea melitensis R. G. Swinney 2010-4-28 12439 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of the eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  RSA600752  Centaurea melitensis L. C. Wheeler 1967-6-15 9839 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 381 Comment
  SBBG98578  Centranthus ruber T. Ross 1991-4-21 4498 Los Angeles Whittier Hills (Puente Hills, pro parte), E-facing rd embankment along Turnbull Cyn Rd 274 Comment
  RSA586661  Centrostegia thurberi Orlando Mistretta 1995-6-1 1739 Los Angeles San Gabriel Mountains, Carr Canyon, near mouth of Canyon. 945 Comment
  RSA357903  Cerastium glomeratum R. F. Thorne 1973-3-26 42724 Los Angeles Webb Canyon, N of Claremont 365 Comment
  UCD98026  Cerastium glomeratum Donald R. Bissing 1973-5-4 54 Los Angeles Evey Canyon, San Gabriel Mountains. 4 mile from canyon mouth. 725 Comment
  RSA600888  Ceratonia siliqua L. C. Wheeler 1945-11-25 6166 Los Angeles San Marino. La Presa Drive, 1/2 block north of Huntington Drive. Comment
  CAS-BOT-BC142110  Cercocarpus betuloides var. betuloides Geo. B. Grant 1906-9-1 7164 Los Angeles Catalina Island Comment
  UC457207  Cercocarpus betuloides var. betuloides Carl Epling 1931-5-2 Los Angeles Santa Monica Mountains, Los Alisos Canyon Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  LA88757  Cercocarpus betuloides var. blancheae Karen Searcy; 1967-1-28 33 Los Angeles Santa Catalina Island, Santa Catalina Island, near summit of E Mountain 304 Comment
  LA93931  Cercocarpus betuloides var. blancheae Unknown; 1925-2-25 sn Los Angeles 518 Comment
  CATA934  Cercocarpus traskiae Mark L. Hoefs, Robert Given 1992-4-16 1794 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  SBBG18465  Cercocarpus traskiae C. H. Muller 1955-5-2 9562 Los Angeles upper end of Swain Cyn Comment
  CAS-BOT-BC279533  Chaenactis artemisiifolia F. W. Peirson 1919-7-3 242 Los Angeles Lukens Peak, San Gabriel Mts. 914 Comment
  RSA710756  Chaenactis artemisiifolia Valerie L. Soza, Bill Hogshead 2003-4-23 1636 Los Angeles Brand Park, Brand Canyon. 381 Comment
  UCR200037  Chaenactis artemisiifolia Valerie Soza, B. Hogshead 2003-4-23 1636 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  UCR110894  Chaenactis fremontii A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 21995 Los Angeles San Gabriel Mtns., Soledad Pass area at the N foot of the mtns, c. 5 miles SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just south of Vincent Substation 1000 Comment
  UCR270514  Chaenactis glabriuscula R. G. Swinney 2010-4-13 12192 A Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  CAS-BOT-BC277336  Chaenactis glabriuscula var. glabriuscula LeRoy Abrams 1902-6-29 2605 Los Angeles Summit of Mt Wilson Comment
  UC135114  Chaenactis glabriuscula var. glabriuscula C. F. Baker 1904-5-1 4784 Los Angeles hills near Claremont; Pacific Coast, Claremont Comment
  UC699714  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1890 Los Angeles Mt. Wilson, Los Angeles Co. Comment
  POM6059  Chaenactis glabriuscula var. lanosa H. M. Hall s.n. Los Angeles [No data on label] Comment
  RSA741139  Chaenactis santolinoides Naomi Fraga, Duncan S. Bell 2008-6-30 2295 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  RSA252919  Chaenactis stevioides R. F. Thorne, C. W. Tilforth 1973-4-20 43045 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  SBBG119376  Chaenactis stevioides R. F. Thorne, A. C. Gibron, J. P. Simon, D. J. McGillivray 1970-4-17 39497 Los Angeles ca. 3 mi S of St Hwy 138 on Grandview Cyn Rd, ca. 9 mi ESE of Pearblossom 1280 Comment
  RSA497603  Chaenactis xantiana A. C. Sanders 1988-4-3 7746 Los Angeles SW end Tehachapi Mountains, l mile NW of Gorman on gasline road, 0.4 mile above old highway. 1280 Comment
  SBBG118765  Chaenactis xantiana L. Gross with P. Morton 2004-6-9 1340 Los Angeles W end of main crest; S from Pacific Crest Trail along rd 7N23 past the 2nd Pacific Crest Trail that exits to the N; W of Bear Gulch Camp; T7N R17W S12,11,10&3 1688 Comment
  SBBG65621  Chaenactis xantiana R. Hoffmann 1929-5-21 Los Angeles Lake Hughes Comment
  UCR238619  Chaenactis xantiana Anuja Parikh, Nathan Gale 2010-5-10 3148 Los Angeles Western Mojave Desert, Antelope Valley, under power transmission lines just south of Hwy 138, 0.4 km E of 140th St. West 785 Comment
  LA200427  Chamaesyce albomarginata Joseph Andorfer Ewan; 1932-7-11 7973 Los Angeles Los Angeles, Van Nuys Estate of Loma Drive Comment
  RSA0069838  Chamaesyce albomarginata R. G. Swinney 2010-5-12 12738 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  RSA250633  Chamaesyce albomarginata R. F. Thorne 1971-3-31 41444 Los Angeles Johnson's Pasture, N on Mountain Ave., Claremont. 549 Comment
  RSA435999  Chamaesyce maculata George B. Grant 1904-9-2 s.n. Los Angeles Pasadena Comment
  RSA639150  Chamaesyce serpens L. C. Wheeler 1973-7-14 s.n. Los Angeles Great Western Exhibit Center near Washington and Atlantic. Comment
  POM2846  Chamaesyce serpillifolia M. Hitchcock 1918-07 1 Los Angeles Van Nuys Comment
  SBBG67774  Chamaesyce serpillifolia subsp. serpillifolia R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  RSA638244  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-8-15 6091 Los Angeles Lake Shangri-la: near El Monte. . Comment
  LA32393  Chamaesyce serpyllifolia Peter H. Raven; Henry J. Thompson 1959-10-14 14628 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  RSA586981  Cheilanthes covillei Orlando Mistretta 1992-5-8 315 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UCR206515  Chenopodium album A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36957 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
  SD128655  Chenopodium album H. A. Wahl 1949-5-15 2079 Los Angeles One mile and a half west of intersection of Mulholland Drive and Laurel Canyon Boulevard, on Mulholland Drive, Santa Monica Mts. Comment
  UC1922243  Chenopodium botrys Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1364 Los Angeles Transverse Ranges; Verdugo Mountains region; Intersection of North Beaudry Mtwy and Deer Creek. 518 Comment
  SBBG132007  Chenopodium californicum S. A. Junak, B. Collins 1991-4-24 SCI 226 Los Angeles just N of field station at Camera Pad "Stone" 448 Comment
  SBBG13270  Chenopodium californicum M. A. Piehl 1962-6-9 62338 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SDSU5596  Chenopodium californicum Gerals Collier 1951-4-7 M 136 Los Angeles Point Dume, near road about 2 mile west of US Hwy 101. Comment
  CDA43375  Chenopodium murale Michael O Brien 2014-11-1 s.n. Los Angeles El Matador State Beach, Malibu. 0 Comment
  RSA526605  Chenopodium murale Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4189 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA601744  Chenopodium pumilio L. C. Wheeler 1966-10-22 9048 Los Angeles Grandad's Ranch, Aliso Canyon. Comment
  RSA596176  Chenopodium rubrum L. C. Wheeler 1946-8-28 6295 Los Angeles San Gabriel Mountains. Caldwell Lake. 1569 Comment
  CDA1887  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  SBBG122078  Chorizanthe parryi var. fernandina A. Parikh, N. Gale 2001-5-30 1735 Los Angeles 0.5 km N of Hwy 126, 0.25 km W of San Martinez Grande Cyn Rd 340 Comment
  CATA3146  Chorizanthe staticoides Sarah Ratay 2011-5-26 140 Los Angeles Santa Catalina Island: South of road entrance to Airport in the Sky 461 Comment
  POM155825  Chorizanthe staticoides M. L. Bryan 1928-4-20 76 Los Angeles Mandeville Canyon, near Santa Monica. 61 Comment
  RSA392664  Chorizanthe staticoides L. E. Hoffman 1929-6-10 s.n. Los Angeles Arroyo Seco, below Strawberry Peak. Comment
  RSA713743  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR127012  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns., ridge c. 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch 396 Comment
  RSA0066514  Chorizanthe staticoides Joseph A. Ewan 1932-5-31 7194 Los Angeles Tujunga Canyon, 3 miles above Hansen's. Comment
  RSA571306  Chorizanthe xanti Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8302 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  CAS-BOT-BC36284  Chrysolepis sempervirens LeRoy Abrams 1901-7-24 1923 Los Angeles Mt. San Antonio Comment
  RSA755610  Chrysolepis sempervirens R. G. Swinney 2008-7-25 9312 Los Angeles Twin Peaks, west peak. 2299 Comment
  RSA747675  Chrysothamnus nauseosus subsp. mohavensis R. G. Swinney 2001-9-15 8153 Los Angeles San Gabriel Mountains: Mt Islip. 2512 Comment
  CDA1282  Cirsium mohavense T. C. Fuller 1960-7-14 4912 -D Los Angeles W side of Hwy 6, 4 mi. N/Lancaster, 0.5 mi. S/ Hwy 138. Comment
  LA34849  Cirsium occidentale Mary V. Hood; 1944-5-7 44 30 k* Los Angeles Santa Monica Mountains, Tapia Park, above park 152 Comment
  SBBG65901  Cirsium occidentale var. californicum R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  RSA188187  Cirsium occidentale var. compactum R. F. Thorne, Everett 1965-6-22 34893 Los Angeles Santa Catalina Island. Upper end of Avalon Canyon along road. 243 Comment
  RSA0059676  Cirsium occidentale var. venustum Louis C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek. 1280 Comment
  RSA258369  Cirsium vulgare C. W. Tilforth 1972-4-28 s.n Los Angeles [Unspecified] Comment
  CAS-BOT-BC438743  Cistanthe monandra L. R. Abrams 1941-4-24 13939 Los Angeles Between Big Rock Creek and Little Rock Creek on State Highway 138 Comment
  POM175347  Cistanthe monandra E. Crow 1930-6-29 s.n. Los Angeles One mile below Crystal Lake Comment
  RSA229020  Cistanthe monandra R. F. Thorne, C. W. Tilforth 1971-6-30 40780 Los Angeles San Gabriel Mountains, Angeles National Forest: Pinyon Flats 1.6 miles below Alder Saddle along dry branch of S fork of Little Rock Creek 1585 Comment
  RSA578281  Cistanthe monandra Timothy S. Ross, Steve Boyd 1994-5-4 7644 Los Angeles Liebre Mountains, San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600m SW of summit of grade; ca 2460 m ESE of Grass Mountain summit. 1055 Comment
  SBBG118568  Cistanthe monandra L. Gross with O. Mistretta, V. Soza 2003-5-13 897 Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  RSA611009  Cistanthe monandra L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  RSA330767  Cistanthe monosperma Wayne E. Sawyer 1980-6-25 2 Los Angeles San Gabriel Mts., Angeles National Forest: 200 NE of Little Jimmy Campground 2256 Comment
  RSA563516  Cistus creticus T. S. Ross, Walter Appleby 1993-4-15 6821 Los Angeles Western SAn Gabriel Mts: southerly draw ca 515 m ssw of May canyon saddle, draining to Wilson Canyon 1011 Comment
  RSA649614  Cistus creticus Lori Ackerman, Gerald Braden 1988-5-20 32 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA764495  Cistus salviifolius Orlando Mistretta, Christine Mistretta 2008-5-2 2611 Los Angeles N edge of the San Gabriel Mtns, Soledad Cyn, Southern California Edison substation in the vicinity of Vincent. Comment
  UCR187245  Clarkia A. C. Sanders 2006-5-16 32334 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  RSA0113889  Clarkia Steven A. Junak 1999-5-21 SCa- 973 Los Angeles Santa Catalina Island. In upper reaches of Coffee Pot Canyon, near benchmark 1723, N facing slope. Comment
  UCSB4352  Clarkia bottae Ballard 1954-5-27 Los Angeles Little Dalton Canyon 350 Comment
  POM68644  Clarkia dudleyana Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  RSA0119666  Clarkia dudleyana R. G. Swinney 2014-5-15 16535 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. 625 Comment
  CAS-BOT-BC172006  Clarkia epilobioides John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC163704  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1906-5-27 33 Los Angeles Garvanza Comment
  RSA448283  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 366 Comment
  RSA454107  Clarkia purpurea subsp. quadrivulnera Anstruther Davidson 1891-05 s.n. Los Angeles Foothills, Los Angeles. Comment
  CAS-BOT-BC164871  Clarkia rhomboidea Le Roy Abrams; E. A. McGregor 1908-6-19 341 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  UCR271915  Clarkia unguiculata R. G. Swinney 2010-3-24 12076 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  RSA590867  Claytonia exigua subsp. exigua Orlando Mistretta 1994-1 996 Los Angeles San Gabriel Mountains: Little Rock creek. slopes E of Little Rock Reservoir. 976 Comment
  RSA718272  Claytonia exigua subsp. exigua R. G. Swinney 1998-4-14 5996 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  SD178259  Claytonia parviflora A. C. Sanders, T. B. Salvato 2005-4-26 29712 Los Angeles Western San Gabriel/Liebre Mountains Region: Santa Clarita area, Plum Canyon Road in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. 594 Comment
  UCR223083  Claytonia parviflora R. G. Swinney 2009-4-28 10543 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA0091516  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-4-20 14427 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
  RSA466716  Claytonia parviflora subsp. parviflora Thekla Mohr 1899-04 1591 Los Angeles Eaton Canyon. Comment
  LA33788  Claytonia perfoliata Henry J. Thompson; 1959-4-19 1934 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  SFV15326  Claytonia perfoliata J. C. Dittes, D. Stolp 1990-3-10 35 Los Angeles San Gabriel Mountains 0.75 miles upstream of Big Tujunga flood control reservoir. 701 Comment
  RSA65734  Claytonia perfoliata subsp. intermontana F. W. Peirson 1923-5-26 3545 Los Angeles Trail northward from Rock Creek Divide, San Gabriel Mountains 2134 Comment
  CATA598  Claytonia perfoliata subsp. mexicana Mark L. Hoefs 1991-4-7 1043 Los Angeles Santa Catalina Island: Upper Avalon Canyon, above Wrigley Memorial and Garden, near road to Divide 326 Comment
  UCD100778  Claytonia perfoliata subsp. mexicana Geoffrey Levin 1974-4-27 48 Los Angeles Evoy Canyon, a side canyon of San Antonio Canyon. San Gabriel Mts. 751 Comment
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Apr 1 2014
  LA52249  Clematis lasiantha Martha Hilend Kinsey; 1935-5-24 sn Los Angeles SANTA MONICA MOUNTAINS, Bel Air Estates. Comment
  RSA0051759  Clematis lasiantha Lee Haines 1937-4-17 s.n. Los Angeles Santa Anita Canyon. 548 Comment
  SEINET12099145  Clematis lasiantha Unknown 1936-1 12701 Los Angeles Santa Monica Mts Comment
  CATA3173  Clematis ligusticifolia Amy Catalano 2016-10-26 157 Los Angeles Santa Catalina Island: Middle Ranch Road, between Johnson Tree & first bridge down canyon from tree, N side of road, climbing in poison oak and willows 273 Comment
  RSA386243  Clematis ligusticifolia F. R. Fosberg, Joseph A. Ewan 1931-8-11 S- 5557 Los Angeles Pine Flats, Islip Trail, 1/2 mile below Big Cienega, N fork San Gabriel Canyon, San Gabriel Mountains. 1900 Comment
  HSC18078  Clematis ligusticifolia var. californica C. E. Fellows 1965-9-3 128 Los Angeles 1/10th mi. W of Las Virgenes Rd. on Mulholland Rd. Comment
  RSA440836  Cleome isomeris George B. Grant 1901-1 s.n. Los Angeles From Pasadena. Comment
  RSA549570  Cleome isomeris T. S. Ross 1991-3-10 4215 Los Angeles Claremont: Bernard Field Station, on E side of RSA. 392 Comment
  CATA354  Clinopodium douglasii Mark L. Hoefs 1973-7-20 399 Los Angeles Santa Catalina Island: Along stream bed, by Edison pump station, upper Middle Ranch Canyon 274 Comment
  RSA707061  Collinsia callosa Bart O'Brien 2005-5-13 s.n. Los Angeles Adjacent to property 21674 Big Pines Highway, some collected on Angeles NF property Comment
  POM184509  Collinsia childii Thomas Craig 1927-6-8 399 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  RSA408286  Collinsia heterophylla Martha Hilend 1922-4-18 191 Los Angeles Griffith Park. Comment
  CAS-BOT-BC240958  Collinsia parryi H. E. Hasse 1893-6-3 s.n. Los Angeles Newhall Comment
  SFV19344  Colutea arborescens J. N. Hogue, C. Solek 2005-4-8 238 .1 Los Angeles San Gabriel Mountains East Fork of San Gabriel River near East Fork Station. On hillside over edge from parking lot at end of road. 610 Comment
  SDSU4108  Constancea nevinii R. M. Beauchamp 1967-1-28 131 Los Angeles At Eel Point, San Clemente Island. Comment
  UC126820  Conyza bonariensis J. and H. W. Grinnell 1906-8-26 369 Los Angeles orchard near Pasadena Comment
  RSA607952  Conyza bonariensis L. C. Wheeler 1933-5-30 1750 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UC74041  Conyza canadensis Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  CAS-BOT-BC287744  Coreopsis bigelovii Ernest C. Twisselmann 1963-6-3 8367 Los Angeles Tehachapi Mts. Road to Highway US 99, just W of Gorman 1203 Comment
  UCR205615  Coreopsis bigelovii R. G. Swinney 2008-5-12 8831 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
  UCR50994  Coreopsis bigelovii A. C. Sanders, E. J. Lawlor 1988-4-3 7751 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  PASA411  Coreopsis douglasii Stason 1930-5-18 Los Angeles Near Lancaster Comment
  CAS-BOT-BC105685  Corethrogyne filaginifolia Bunch; Baily 1974-8-14 74 -673 Los Angeles Castaic Comment
  CAS-BOT-BC105697  Corethrogyne filaginifolia Moxley 1920-8-28 812 Los Angeles Garpito Canyon, Santa Monica Mts. Comment
  POM356129  Corethrogyne filaginifolia Blanche Trask 1901-10 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC1119250  Corethrogyne filaginifolia P. L. Johannsen 1934-2-26 306 Los Angeles 1 1/4 mi sw San Fernando Pass; Santa Susana Quadrangle Comment
  UC74040  Corethrogyne filaginifolia Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  UCSB37417  Corethrogyne filaginifolia Gordon, Patricia 1980-2-17 Los Angeles 1 mile west of junction of Agoura Rd. and Hwy. 101, on Agoura Rd. 304 Comment
  RSA532645  Corethrogyne filaginifolia var. pinetorum Timothy S. Ross 1991-8-14 5756 Los Angeles Roundtop Mountain. 1892 Comment
  CLARK-A1528-2616  Cornus occidentalis John C. Roos 1947-5-31 3666 Los Angeles San Gabriel Mountains Comment
  UCR213330  Coronopus didymus Justin M. Wood 2009-4-22 518 Los Angeles San Gabriel Mountains, city of San Dimas, Sycamore Canyon, Falcon Ridge Ranch 457 Comment
  RSA611669  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10100 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
  SBBG37893  Crassula connata M. B. Dunkle 1939-4-6 7323 Los Angeles Mosquito Ridge Comment
  CAS-BOT-BC427728  Crassula connata Cecil Hart 1927-3-7 s.n. Los Angeles Montebello, Los Angeles Comment
  JEPS31076  Crocanthemum scoparium var. vulgare Frank W. Peirson 1919-6-12 115 Los Angeles Mt. Lowe foothills 579 Comment
  POM155646  Crossosoma californicum D. Meadows 1927-12-4 305 Los Angeles Avalon, Santa Catalina Island. Comment
  LA201911  Croton californicus Arthur C. Gibson; 2003-6-14 4980 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor Comment
  LA82194  Croton californicus O. H. Kappler; 1940-7-2 67 Los Angeles Santa Monica Mountains, Carbon Canyon Comment
  RSA479357  Croton californicus R. F. Folger 1929-12 s.n. Los Angeles El Segundo. Comment
  UC450806  Croton californicus Fay A. Macfadden 1931-3-29 26 E Los Angeles Tuna Canyon Verdugo Hills Comment
  UCSB3575  Croton californicus Kamb, Peter 1947-6-11 Los Angeles Eaton Wash, Pasadena 266 Comment
  CATA999  Croton setiger Mark L. Hoefs 1994-7-18 1879 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  SFV2078  Croton setiger K. A. Wilson 1961-4-27 1164 Los Angeles San Gabriel Mountains Soledad Canyon. Base of small canyon adjacent to Bee Canyon. 610 Comment
  UCR205889  Croton setiger A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37087 Los Angeles San Gabriel Valley, west edge of I-605 and c. 1 mile west of the center of of the Santa Fe Flood Control Basin, N of Arrow Hwy and south of Duarte 140 Comment
  SD52713  Croton setiger LeRoy Abrams 1902-8-20 2966 Los Angeles sandy soil near Inglewood Comment
  SBBG13011  Crypsis vaginiflora E. R. Blakley 1962-10-3 5377 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  SD262231  Cryptantha R. G. Swinney 2009-6-8 11072 Los Angeles Transverse Range: San Gabriel Mtns; Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 1/Angeles Crest Hwy (Chilao Flat 7.5'Q) 1720 Comment
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Feb 19 2020
  UCR203207  Cryptantha R. G. Swinney 2005-5-21 8248 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Feb 19 2020
  UCR266371  Cryptantha D. E. Bramlet, Allison D. Rudalevige 2009-4-30 4382 Los Angeles Transverse Range; San Gabriel Mtns., lower Big Tujunga Creek Wash, NE of Foothill Blvd. 375 Comment
  RSA775134  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-7 5266 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  RSA756623  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2008-4-17 2483 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
  SBBG63675  Cryptantha corollata R. Hoffmann 1930-6-6 Los Angeles Liebre Station, Ridge Route [historic site] Comment
  SD181670  Cryptantha decipiens LeRoy Gross, Orlando Mistretta and Valerie Soza 2003-5-13 894 Los Angeles Big Rock Creek, north and east of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  HSC3615  Cryptantha intermedia David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  POM6560  Cryptantha intermedia P. A. Munz, L. T. Street, G. Williams 1919-4-5 2423 Los Angeles Puddingstone Creek, San Dimas Comment
  UC1587717  Cryptantha intermedia Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-19 5263 Los Angeles 1800 ft se Malo Knoll (w fork of Near-Death Canyon, draining to Mosquito Cove, drainage beginning 800 ft n of rest marker); San Clemente Island, Near-Death Canyon, Mosquito Cove 384 Comment
  UCR177573  Cryptantha micrantha subsp. micrantha LeRoy Gross 2005-5-3 2208 Los Angeles Transverse Range; San Gabriel Mountains, west terminus of Holcomb Ridge, west of Big Rock Creek, along the east [and] NE side of hill. North of Fort Tejon Road, west of Valyermo Road [also T5N, R9W SW/4 sec. 31] 1215 Comment
  RSA596076  Cryptantha microstachys T. S. Ross, Steve D. Boyd 1995-6-28 8623 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  SBBG54423  Cryptantha microstachys C. F. Baker 1904-4-24 4780 Los Angeles hills near Claremont Comment
  SBBG63710  Cryptantha microstachys M. N. Ackley -Apr-1928 44 Los Angeles Santa Monica Mtns 274 Comment
  UCR84488  Cryptantha microstachys T. S. Ross, Steve Boyd 1993-5-23 7289 Los Angeles San Gabriel Mtns., lower, easterly ridge of Red Mtn, on northerly slope c. 380 m SE of the saddle between Ruby and Clearwater Canyons. 966 Comment
  UCSB5596  Cryptantha microstachys B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  LA31580  Cryptantha muricata Henry J. Thompson; 1959-5-24 sn Los Angeles Santa Monica Mountains, Saddle Peak 640 Comment
  LA31581  Cryptantha muricata Henry J. Thompson; 1959-5-24 sn Los Angeles Comment
  POM368245  Cryptantha muricata T. S. Clare 1929-4-11 s.n. Los Angeles Verdugo Hills Comment
  POM3900  Cryptantha muricata D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. above Claremont along trail. 914 Comment
  UC280514  Cryptantha muricata Katharine Brandegee Los Angeles Saugus Comment
  UCR272536  Cryptantha muricata R. G. Swinney 2011-6-20 15221 Los Angeles San Gabriel Mountains, Crystal Lake Recreation Area, c. 0.15 air-miles south of Crystal Lake along Islip Ridge Trail 1573 Comment
  RSA499692  Cryptantha muricata H. de Forest, George R. Johnstone 1925-5-16 s.n. Los Angeles Hollywood Mt. Comment
  SBBG129312  Cryptantha muricata var. jonesii A. Parikh, N. Gale 2012-5-9 3588 Los Angeles 0.8 km N of W Fork San Gabriel River, 1.4 km E of Shortcut Cyn 1106 Comment
  RSA0079602  Cryptantha muricata var. muricata Scott D. White, Justin M. Wood 2009-5-6 12674 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA0079605  Cryptantha muricata var. muricata John Dittes 2006-5-30 1374 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley. 529 Comment
  UCR93295  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-5-25 7941 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  RSA0079272  Cryptantha muricata var. muricata Ora M. Clark 1929-3-29 1802 Los Angeles E. Sandberg. Comment
  UC61122  Cryptantha nevadensis J. Burtt Davy 1896-5-17 2306 Los Angeles Llano Verde Antelope Valley Comment
  UCR191301  Cryptantha oxygona R. G. Swinney 1998-7-2 6257 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR214031  Cryptantha oxygona A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37955 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  SEINET3860018  Cryptantha pterocarya R. G. Swinney 2009-4-24 10436 Los Angeles Transverse Ranges: San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  RSA0078840  Cryptantha pterocarya Orlando Mistretta 1992-5-18 335 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  RSA578721  Cryptantha similis T. S. Ross, J. M. Porter 1994-5-1 7570 Los Angeles Southwestern Mojave Desert: Open desert ca. 1870 m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  UCR141735  Cryptantha utahensis L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon off Soledad Canyon 732 Comment
  RSA394303  Cucurbita foetidissima E. S. Spalding 1923-7-11 s.n. Los Angeles Hermosa Beach. Comment
  RSA518480  Cupressus macrocarpa A. C. Sanders 1987-12-4 7446 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA0091496  Cuscuta R. G. Swinney 2010-3-13 11892 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  UCD126255  Cuscuta californica Daryl Koutnik 1978-6-25 564 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  UCSB4990  Cuscuta californica Crum, Charles 1958-7-15 Los Angeles Mulholland Drive between Sepulveda and Topanga Roads, near Los Angeles Comment
  UC2026430  Cuscuta indecora var. indecora Louis C. Wheeler 1946-8-20 6226 Los Angeles 1 mile north of Covina. Comment
  UCD126305  Cuscuta indecora var. indecora Floyd O. Colbert 1985-7-1 D 1 Los Angeles Lancaster. Comment
  RSA409716  Cuscuta subinclusa F. R. Fosberg 1930-7-3 451 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UC1584040  Cuscuta subinclusa Tim Ross and Orlando Mistretta 1990-10-3 3284 Los Angeles .62 km due s Alsio Spring (and .62 km e of Tie Summit Station, Tujunga Ranger District); San Gabriel Mountains, Angeles National Forest, Tujunga Rang 1481 Comment
  UCR131382  Cyclospermum leptophyllum Alison Lipman 1998-6-30 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  CHSC95470  Cynodon dactylon LeRoy Gross 2001-11-10 452 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  UCD145367  Cyperus difformis Louis C. Wheeler 1946-9-8 6361 Los Angeles San Gabriel Mountains: San Gabriel Canyon, 1/4 mile below forks along highway on west side. Comment
  UCR126551  Cyperus esculentus Mark A. Elvin, Kim Marsden 2003-8-8 2977 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  UCR206511  Cyperus esculentus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36953 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
  POM14599  Cyperus esculentus Joseph Clemens 1921-10-28 s.n. Los Angeles Los Angeles. Exposition Park. Comment
  UCR48963  Cyperus involucratus A. C. Sanders 1987-9-18 7359 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  UC1563  Cyperus laevigatus W. H. Brewer 29 Los Angeles Los Angeles Comment
  RSA365109  Cyperus odoratus Anstruther Davidson 1917-09 3284 Los Angeles Los Angeles. Comment
  UC1870321  Cytisus striatus LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1073 Los Angeles [Transverse Ranges; Verdugo Mountains region]; North side of mountains: North of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, freeway cut (210 Freeway) just east of La Tuna Canyon exit. 457 Comment
  RSA725241  Dactylis glomerata K. Dobry 1991-5-2 d- 569 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  SBBG31347  Datura wrightii R. F. Thorne with P. C. Everett 1965-6-22 34929 Los Angeles S of Avalon Golf Course in Avalon Cyn 91 Comment
  UC1122946  Daucus pusillus Jerome S. Horton 1937-6-29 480 Los Angeles Pomona Quad., Tanbark Creek Comment
  CAS-BOT-BC130923  Deinandra clementina Herman Knoche 1919-6-25 Series A, No. 904 Los Angeles Avalon, Santa Catalina Island Comment
  CAS-BOT-BC299306  Deinandra fasciculata W. M. Heusi 1930-11-5 112 Los Angeles Above the Isthmus, Santa Catalina Island Comment
  CAS-BOT-BC294074  Deinandra kelloggii Louis C. Wheeler 1933-6-27 1888 Los Angeles Foothill Blvd. at Eaton Wash, Pasadena 213 Comment
  JEPS12645  Deinandra kelloggii Louis C. Wheeler 1933-6-27 1888 Los Angeles Foorhill Blvd. at Eaton Wash; Pasadena 213 Comment
  UC2058823  Delphinium Robert F. Thorne, M. Z. Thorne 1969-7-10 38433 Los Angeles San Gabriel Mountains, Angeles National Forest. Transverse ranges; 1.5 miles W of Wrightwood. Comment
  UCR195260  Delphinium cardinale Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1353 Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, Mesa Lila Road, southeast side of Henderson Canyon 427 Comment
  UC136371  Delphinium cardinale C. F. Baker 1903-7-22 3347 Los Angeles Claremont Comment
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May 26 2016
  UCR223510  Delphinium parishii R. G. Swinney 2009-5-28 10960 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA68782  Delphinium parishii subsp. parishii F. W. Peirson 1929-7-1 8441 Los Angeles Mt. Pacifico: upper part of trail, San Gabriel Mountains. 1982 Comment
  LA32185  Delphinium parryi subsp. parryi Henry J. Thompson; 1959-5-24 2032 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UCD96561  Delphinium patens subsp. hepaticoideum James Dilley; Jaime Kneitel 1997-2-23 s.n. Los Angeles San Gabriel Mts., Angeles National Forest, Trail Canyon, off of Big Tujunga Cyn Rd. About 1 mile up the trail. Comment
  RSA783869  Delphinium variegatum subsp. kinkiense Bart O'Brien, Jason Koontz, Bryan Munson 2012-4-23 2012 12 C Los Angeles San Clemente Island. Twin Dams. N-NE facing slope. 468 Comment
  CAS-BOT-BC82911  Dendromecon rigida F. A. Thackery 1928-5-13 355 Los Angeles Mulholland Drive. Comment
  RSA580739  Dendromecon rigida Tim S. Ross, S. D. Boyd 1994-5-25 7930 Los Angeles Necktie Basin: hanging basin ca 470-830 meters W of Warm Springs Mountain summit. These collections from ca. 600-800 meters WSW of summit. 1061 Comment
  RSA199164  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Propst 1968-5-29 37695 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  LA51494  Descurainia pinnata O. H. Kappler; 1944-3-26 556 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  CAS-BOT-BC43176  Descurainia pinnata subsp. brachycarpa Geo. B. Grant 1902-3-1 s.n. Los Angeles Pasadena. Comment
  CAS-BOT-BC43173  Descurainia pinnata subsp. brachycarpa C. W. Tilforth 1970-3-3 249 Los Angeles Rancho Santa Ana Botanical Garden, Claremont. Comment
  CDA24800  Descurainia pinnata subsp. glabra G. D. Barbe, T. C. Fuller 1973-4-9 1205 Los Angeles 8 miles west of Victorville (US 395) on Highway 18, 22.2 miles east of Pearblossom. 0 Comment
  POM463  Descurainia pinnata subsp. menziesii Milton Davenport 1909-1 s.n. Los Angeles Claremont. Comment
  UCR255755  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCR140425  Dicentra ochroleuca June Latting 1958-5-11 263 Los Angeles Western Transverse Range; Santa Monica Mtns., near Malibu Vista 335 Comment
  CATA919  Dichelostemma capitatum Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1767 Los Angeles Santa Catalina Island: Open slope above Parson's Landing 213 Comment
  UC1211090  Dichelostemma capitatum Huron H. Smith 1912-5-3 4910 Los Angeles Azusa 243 Comment
  UCR219422  Dichelostemma capitatum R. G. Swinney 2009-4-1 10232 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon, Monrovia Mountain Park 415 Comment
  CAS-BOT-BC499438  Dichelostemma capitatum Reid Moran 1941-2-17 580 Los Angeles West side of arroyo, Middle Ranch, San Clemente Island Comment
  RSA590534  Dichelostemma capitatum subsp. capitatum Orlando Mistretta 1994-3-30 962 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of creek below Little Rock Dam. 991 Comment
  LA212301  Dichelostemma pulchellum Harold Pirie; 1964-2-15 s.n. Los Angeles Pierce College; Growing amidst grass on Pine Hill above Pierce College Orchard. 259 Comment
  UCD64115  Digitaria sanguinalis Beecher Crampton 1965-10-27 7588 Los Angeles Ca. 2.6 miles SW of Saugus U.S. Hwy. 99. Comment
  CAS-BOT-BC152976  Diplacus constrictus Timothy S. Ross; Steve Boyd 1994-5-25 7916 Los Angeles Warm Springs Mountain: ca 450 m NW of summit 1164 Comment
  OBI2798  Diplacus fremontii J. Benedict 1967-5-13 130 Los Angeles Big Pines hwy 3 mi N of Valermo. San Gabriel Mts 1524 Comment
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Jul 30 2014
  SBBG66706  Diplacus fremontii M. N. Ackley 1926-5-6 1055 Los Angeles Little Rock foothills 914 Comment
  CAS-BOT-BC150864  Diplacus puniceus Alice Eastwood 1917-7-20 6502 Los Angeles Santa Catalina Island Comment
  UCR141191  Dithyrea californica June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  LA44534  Dodecatheon clevelandii A. M. Johnson; 1928-3-16 129 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 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
  UC1211152  Dodecatheon clevelandii subsp. clevelandii Huron H. Smith 1912-4-23 4818 Los Angeles Eagle Rock 213 Comment
  POM3624  Dodecatheon clevelandii subsp. clevelandii Dee Dee Abbott s.n. Los Angeles Claremont, Live Oak Canyon. 610 Comment
  UC22363  Dodecatheon clevelandii subsp. clevelandii J. H. Barber 1897-1-24 28 Los Angeles Santa Monica Mts. Santa Monica Mts. (Southern California) Comment
  RSA597984  Dodecatheon clevelandii subsp. insulare L. Raz 1997-3-16 72 Los Angeles Santa Catalina Island. Avalon Canyon via 'Divide Trail', northeast of the Wrigley Botanical Garden. 183 Comment
  UC1348883  Dodecatheon clevelandii subsp. insulare Robert F. Thorne and Reed C. Rollins, Doug Propst, R. Carolin 1967-3-18 36745 Los Angeles in enclosure on grassy slope above lower end Bulrush Canyon; Santa Catalina Island 243 Comment
  CAS-BOT-BC129964  Dodecatheon redolens I. M. Johnston 1918-7-6 2100 Los Angeles Prairie Fork of San Gabriel River 2133 Comment
  RSA229120  Draba corrugata var. corrugata R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38873 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle 2332 Comment
  UCR129363  Drymocallis cuneifolia var. ewanii F. W. Peirson 1921-6-18 2801 Los Angeles San Gabriel Mtns., Windy [Little Jimmy] Camp, Mt. Islip 2256 Comment
  CHSC34392  Dryopteris arguta Philip A. Silverstone 1978-8-20 322 Los Angeles Jtn Maguire and Escondido Sts., 0.3 km fron jtn Maguire and Latigo Canyon Rd., which is 4.8 km inland from State 1. Comment
  LA1764  Dryopteris arguta A. M. Johnson; 1927-11-11 44 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  LA200108  Dryopteris arguta Lawrence L. Kiefer; 1966-4-16 1878 Los Angeles SANTA MONICA MOUNTAINS, Caballero Creek, S of Tarzana, ca. 1 mi S of the end of Reseda Blvd. 304 Comment
  LA200118  Dryopteris arguta Lawrence L. Kiefer; 1966-3-26 1792 Los Angeles SANTA MONICA MOUNTAINS, Greenleaf Canyon, N of Topanga. 259 Comment
  RSA0065456  Dudleya abramsii Peter Gail 1961-05 s.n. Los Angeles Glendora Mountain Road, N. of Glendora. Comment
  SEINET4044595  Dudleya cymosa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Pt. Mugu State Park. 76 Comment
  UC2059996  Dudleya cymosa K. Nakai, D. Verity, J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mi SE of junction of Decker Road and Carlise Road. Comment
  CAS-BOT-BC428113  Dudleya cymosa subsp. cymosa Geo. B. Grant 1906-6-10 6677 Los Angeles Mt Lowe, Castle Canyon Comment
  UC933293  Dudleya cymosa subsp. pumila P. A. Munz 1950-4-28 5388 Los Angeles Cascade Canyon San Gabriel Mtns 1828 Comment
  LA210122  Dudleya lanceolata K. Nakai; B. Broadbent 1980-5-4 595 Los Angeles Santa Monica Mountains, Malibu creek state park, ca 1375 m SE of the junctin of Cornell Rd. and Mulholland Hwy 250.0 Comment
  POM243843  Dudleya virens subsp. hassei F. R. Fosberg 1931-4-7 S- 4502 Los Angeles Hamilton Beach, Santa Catalina Island. 2 Comment
  RSA355908  Dudleya virens subsp. hassei R. F. Thorne 1975-9-3 47376 Los Angeles Santa Catalina Island. Sea bluff S of docks at Fisherman's Cove Comment
  CAS-BOT-BC109757  Dudleya virens subsp. insularis Reid Moran 1941-5-27 872 Los Angeles Catalina Island. South of the school, Avalon. Comment
  UCD169272  Dysphania multifida Elizabeth McClintock 1943-5-29 s.n. Los Angeles UCLA Campus, Westwood Blvd. Comment
  CAS-BOT-BC197258  Echinochloa muricata var. microstachya J. H. Thomas 1956-9-29 6461 Los Angeles Pasadena. Behind Devils Gate Dam Comment
  PASA1873  Echinocystis macrocarpa Sally Ellis 1946-3-25 Los Angeles Claremont Comment
  SD172151  Ehrharta calycina Martin A. Piehl 1963-12-8 631117 Los Angeles San Clemente Island, West end of airfield runway inland from West Cove, (Southeast of Driggs) 17 Comment
  UCR224025  Ehrharta erecta Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11683 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR213450  Elatine californica A. C. Sanders, Dan S. Cooper 2010-4-30 38159 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR255751  Eleocharis R. G. Swinney 2010-5-12 12713 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  IRVC26948  Eleocharis parishii A. C. Sanders, Mark Elvin 2003-8-7 27178 Los Angeles Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur NE end of Santa Susana Mtns. 267 Comment
  POM11252  Eleocharis parishii I. M. Johnston 1917-8-23 1631 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  UC306108  Eleocharis parishii I. M. Johnston 1917-7-23 1631 Los Angeles Prairie Fork of the San Antonio River Comment
  UCR147791  Eleocharis rostellata Valerie Soza, Laura Moore 2000-6-14 1013 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
  CAS-BOT-BC451521  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam, San Gabriel Mts. 411 Comment
  SBBG127042  Elymus X gouldii A. Parikh, N. Gale 2011-6-16 3475 Los Angeles Aliso Cyn, 1.5 km W of Angeles Forest Hwy, 0.1 km S of Aliso Cyn Rd; San Gabriel Mtns 1095 Comment
  UCR154221  Elymus condensatus A. C. Sanders, T. B. Salvato 2005-5-24 30250 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
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Dec 18 2009
  POM175394  Elymus elymoides subsp. elymoides Helen E. Sweet, West, E. Crow 1930-7-12 s.n Los Angeles Ridge between Mt. Islip and north Baldy Peak, San Gabriel Mountains. Comment
  RSA587532  Elymus elymoides subsp. elymoides Orlando Mistretta, Steve Boyd, Darin L. Banks 1994-4-29 1106 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  RSA155833  Elymus glaucus P. H. Raven 1962-5-22 17850 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  UCD62357  Elymus glaucus subsp. glaucus Robert F. Thorne; M. Z. Thorne 1967-7-19 37197 Los Angeles San Gabriel Mts., Angeles National Forest: above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1950 Comment
  UCR147673  Elymus glaucus subsp. glaucus LeRoy Gross, Paul Morton 2004-6-9 1355 Los Angeles Transverse Ranges; Liebre Mountains region, West end of the main crest; From the Pacific Crest Trail (from the south) along road (7N23) pass the second Pacific Crest Trail that exits off north of the road. Finish near the NW corner of section 3 and started at the west end of section 12, west of Bear Gulch Camp. About a 4 mile hike from east to west (This for the Angeles National Forest road surveys.) 1727 Comment
  UCR258592  Elymus glaucus var. glaucus R. G. Swinney 2010-8-26 13595 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
  UCR2095  Elymus stebbinsii F. M. Reed 1925-6-18 5103 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Canyon 823 Comment
  CAS-BOT-BC204243  Elymus trachycaulus subsp. subsecundus Le Roy Abrams 1901-6-6 1735 Los Angeles Ballona Creek, Mesmer Comment
  UCR50877  Elymus triticoides A. C. Sanders 1988-5-18 7841 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  RSA0105692  Elymus triticoides Amy Catalano 2016-5-25 16 -132 Los Angeles Santa Catalina Island. Short spur road at sharp turn at south end of Big Springs Road. 63 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
  SBBG121262  Emmenanthe penduliflora var. penduliflora V. Soza, L. Moore 2000-5-10 848 Los Angeles Verdugo Crestline Dr, N of La Tuna Cyn and S of Pasko Park; fire rd S of Verdugo Crestline Dr from fire gate to power lines, W of peak 0'1936" 563 Comment
  RSA0036427  Encelia actoni LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6983 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
  UC1118044  Encelia californica A. D. Gifford 1934-5-8 214 Los Angeles Escondido Canyon Triunfo Pass Quadrangle, Escondido Canyon (Plot 97) Comment
  NY70310  Ephedra nevadensis T. S. Ross 1991-4-30 5003 Los Angeles Soledad Canyon Eash: ca. 0.5 mile east of Acton; Acton USGS 7.5' Quadrangle 829.1 Comment
  RSA614827  Ephedra nevadensis 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
  RSA746566  Epilobium Orlando Mistretta 1992-5-21 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  POM156720  Epilobium angustifolium subsp. circumvagum L. R. Abrams 1902-7-12 2709 Los Angeles Coldwater Canyon, San Antonio Mountains Comment
  RSA72331  Epilobium canum subsp. canum F. W. Peirson 1924-10-26 5260 Los Angeles Open space about 1/2 mile below California St. bridge, Arroyo Seco, Pasadena. 198 Comment
  POM175381  Epilobium canum subsp. latifolium E. Crow, West 1930-7-12 s.n. Los Angeles Dry slopes above Pine flats. Comment
  RSA0115963  Epilobium canum subsp. latifolium R. G. Swinney 2010-9-21 13867 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  RSA72098  Epilobium canum subsp. latifolium F. W. Peirson 1923-9-1 4027 Los Angeles San Gabriel Mts. Saw Mill Canyon at west end of Swartout Valley. 2012 Comment
  RSA72340  Epilobium canum subsp. latifolium F. W. Peirson 1920-9-15 4114 Los Angeles Mountain north of Baldy, San Gabriel Range 2820 Comment
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Jan 20 2015
  RSA588350  Epilobium ciliatum subsp. ciliatum Geo. L. Moxley 1915-7-4 365 Los Angeles Arroyo Seco, Pasadena. Comment
  RSA250492  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, John Dourley 1967-10-10 37363 Los Angeles Angeles National Forest: 1.5 mi. E of Dawson Saddle 2332 Comment
  UCR150592  Epilobium ciliatum subsp. glandulosum L. C. Wheeler 1967-9-4 10687 Los Angeles Transverse Ranges; San Gabriel Mountains, Ravine south of Camp Lupine, Prairie Fork 2043 Comment
  UCR189826  Equisetum arvense R. G. Swinney 1998-9-4 6903 A Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  POM47142  Equisetum hyemale var. affine I. M. Johnston 1924-8-13 s.n. Los Angeles Evey-Palmer Canyon Firebreak. About spring where locally abundant and reaching 10 ft. in height. 1036 Comment
  RSA640643  Equisetum hyemale var. affine L. C. Wheeler 1966-10-1 8937 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  RSA650200  Equisetum hyemale var. affine Bob McKeand 1949-2-20 s.n. Los Angeles San Dimas Canyon. Comment
  RSA684672  Equisetum hyemale var. affine H. M. Ritter 1931-4-21 s.n. Los Angeles Los Feliz Bridge at Griffith Park; Los Angeles River Comment
  POM312812  Equisetum hyemale var. affine D. Taylor 1952-05 s.n. Los Angeles Little Dalton Canyon - north of Glendora. San Gabriel Mtn. range. San Gabriel River drainage area. Veg. type chaparral. north slope. 365 Comment
  RSA684661  Equisetum hyemale var. affine Albert J. Perkins 1915-10-31 s.n. Los Angeles Big Tujunga, Sierra Madre Mountains Comment
  LA94016  Equisetum laevigatum Lawrence L. Kiefer; 1966-4-9 1829 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 3 mi N of Sunset Blvd. 274 Comment
  RSA586672  Equisetum laevigatum Orlando Mistretta, Mark Elvin 1995-5-10 1707 B Los Angeles Bare Mountain Canyon, West Fork; Pacifico Mtn. 1159 Comment
  UCR239950  Equisetum laevigatum R. G. Swinney 2009-11-16 11641 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA684665  Equisetum telmateia var. braunii Anonymous 9245 Los Angeles Glendale[?] Comment
  CAS-BOT-BC204480  Eragrostis cilianensis Peter H. Raven 1961-9-24 16751 Los Angeles Bouquet Reservoir 914 Comment
  CAS-BOT-BC284126  Eragrostis pectinacea var. pectinacea S. B. Parish; W. F. Parish 1882-10-1 1601 Los Angeles Near Santa Ana Comment
  CAS-BOT-BC174383  Eremogone macradenia var. arcuifolia Steve Boyd 1997-9-10 10028 Los Angeles Liebre Mountains Region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1572 Comment
  UCR190381  Eriastrum R. G. Swinney 2001-6-2 7964 Los Angeles San Gabriel Mtns./Mojave Desert, Juniper Hills area, plateau on east side of Cruthers Creek, 1.3 mi. south of Devils Punchbowl Rd. 1402 Comment
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May 3 2012
  UC1871043  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  UCR191305  Eriastrum densifolium subsp. densifolium R. G. Swinney 1998-7-2 6247 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA0107956  Eriastrum densifolium subsp. elongatum Joseph M. Keefe 2001-1-19 30996 a Los Angeles Big Tujunga Wash, 300 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles, 91040. 384 Comment
  SFV21143  Eriastrum densifolium subsp. elongatum J. M. Keefe 2001-1-19 30996 a Los Angeles San Fernando Valley Big Tujunga Wash, 300 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 384 Comment
  UC450849  Eriastrum densifolium subsp. elongatum Fay A. Macfadden 1931-7-8 3083 Los Angeles Roscoe Comment
  JEPS7993  Eriastrum filifolium L. R. Heckard 1953-5-2 371 Los Angeles On point near ocean just s Camp Orizaba (Pasadena YMCA Camp), Santa Catalina Island. Comment
  RSA786244  Eriastrum filifolium Doris Bowers 1957-6-22 824 Los Angeles Arroyo Seca, Pasadena 457 Comment
  JEPS123263  Eriastrum sapphirinum David Gowen 2005-5-11 308 Los Angeles Hwy 138 (West Ave. D) west of Lancaster. Sandy soil at the SW corner of the intersection with 210th St. West. Comment
  RSA0121259  Eriastrum sapphirinum subsp. dasyanthum C. B. Wolf 1931-7-2 s.n. Los Angeles Little Tujunga Wash 1/2 mile above the bridge on the road from Sunland to San Fernando. 335 Comment
  RSA0121305  Eriastrum sapphirinum subsp. dasyanthum Ernest Braunton 1901-06 s.n. Los Angeles Sherman. Comment
  SEINET12278746  Eriastrum virgatum I. W. Clokey, Templeton, B. 1929-1 4551 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  RSA184065  Ericameria cooperi I. L. Wiggins 1966-4-23 20638 Los Angeles E of 145 St. E, between Palmdale Blvd. and Ave. O, N of Pearblossom, Mohave Desert. Comment
  SBBG62824  Ericameria cooperi var. cooperi R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  RSA301962  Ericameria ericoides J. R. Shevock 1972-9-16 2280 Los Angeles Coastal bluffs, Point Dume 5 Comment
  UCR23897  Ericameria ericoides John C. Roos 1942-10-10 1723 Los Angeles UCLA, Los Angeles Comment
  CAS-BOT-BC287627  Ericameria linearifolia Carl B. Wolf 1928-3-29 1553 Los Angeles At S side of Antelope Valley, 2 miles S of Neenach 1066 Comment
  LA202488  Ericameria linearifolia Louis Wheeler; 1932-4-9 563 Los Angeles Antelope Valley, 4 mi. WSW Fairmont 914 Comment
  RSA597568  Ericameria linearifolia Timothy S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3760 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  CAS-BOT-BC298892  Ericameria nauseosa var. bernardina Charles F. Richter 1920-9-1 s.n. Los Angeles Big Pine Flat above Cold Brook, San Gabriel Mts Comment
  UC1119854  Ericameria nauseosa var. bernardina H. S. Yates 1936-8-28 6364 Los Angeles Big Pine Park San Antonio Quad. 1981 Comment
  UC87243  Ericameria nauseosa var. hololeuca Frank W. Hubby 1894-12-8 22 Los Angeles Saugus Comment
  CAS-BOT-BC298044  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley 1 mile E of Wrightwood Lodge, San Gabriel Mts 1828 Comment
  SDSU6342  Ericameria nauseosa var. mohavensis Hunsaker 1962-11-2 Los Angeles 7 miles E of Wrightwood, San Gabriel Mountains. 1219 Comment
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Oct 29 2014
  RSA792132  Ericameria nauseosa var. oreophila Jane Tirrell 2012-8-20 LS 0159 Los Angeles North-facing bench along Pacific Crest Trail approx. 0.5 mi west of Windy Gap. 2436 Comment
  UCR124869  Ericameria palmeri B. C. Templeton 1962-9-27 9372 Los Angeles Southern Coastal Plain, Los Angeles [Westlake near Macarthur Park], near 6th St. and Coronado St. 107 Comment
  IRVC28728  Ericameria palmeri var. pachylepis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25507 Los Angeles Newhall Ranch, central Potrero Canyon, dry side canyon near its mouth on north side of road, NE of bench mark 1205 NE end of Santa Susana Mtns. 366 Comment
  RSA198822  Ericameria palmeri var. pachylepis R. F. Thorne, D. Propst 1968-5-27 37622 Los Angeles Santa Catalina Island: Skull Canyon betw Cap & Middle Canyons 244 Comment
  UC73891  Ericameria palmeri var. pachylepis Joseph Burtt Davy 1896-10-14 2729 Los Angeles Santa Monica Comment
  RSA127978  Ericameria palmeri var. pachylepis Peter H. Raven, H. J. Thompson 1959-10-18 14687 Los Angeles Petrero Road 6.1 miles E of jct with Lewis Road 152 Comment
  CAS-BOT-BC131662  Ericameria parishii var. parishii C. B. Wolf 1931-10-20 2470 Los Angeles Just below Padua Hills Theatre above Claremont, west slope San Gabriel Mts. 457 Comment
  CAS-BOT-BC293131  Ericameria pinifolia Le Roy Abrams 1901-4-6 1372 Los Angeles Big Tujunga Wash Comment
  LA205875  Ericameria pinifolia George T. Hastings; 1950-7-22 sn Los Angeles Elizabeth Lake Canyon Comment
  RSA16811  Ericameria pinifolia C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile E of Pacoima Creek Bridge on the Tujunga to San Fernando Road. 366 Comment
  UCR179972  Erigeron breweri R. G. Swinney 1996-8-7 5216 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half of Brown's Flat 1341 Comment
  UC122500  Erigeron breweri var. bisanctus C. F. Baker 1903-8-2 3451 Los Angeles near Claremont; San Antonio Canyon Comment
  SEINET7837895  Erigeron foliosus Steve Boyd, Raz, Lauren 1997-6-18 9971 Los Angeles Liebre Mountains Region. Portal Ridge. Open ridgeline about junction of Juday Truck Trail and Troedel Motorway. South of Troedel Spring. Comment
  UCR280939  Erigeron foliosus Mitch Provance 2017-6-30 617- 35 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  SBBG60609  Erigeron foliosus var. foliosus R. Hoffmann 1927-8-21 Los Angeles Oak's Garage, Mint Cyn Comment
  CDA4921  Erigeron foliosus var. foliosus W. Hill 1957-5-2 Los Angeles Mt. San Antonio College, Walnut. 0 Comment
  RSA454987  Eriodictyon crassifolium L. E. Hoffman 1930-5-8 s.n. Los Angeles River wash, Sunland Comment
  UCR192005  Eriodictyon crassifolium var. nigrescens A. C. Sanders 2008-4-17 34925 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  SDSU6916  Eriodictyon parryi Gerald Collier 1953-6-20 7034 Los Angeles 1/4 mile east orf Muscatel Ave, 1/8 mile south of Klingerman west side Rio. Hondo river bottom woodland, San Gabriel. Comment
  RSA0110752  Eriodictyon traskiae Steven A. Junak 2000-5-19 SCa- 1306 Los Angeles Santa Catalina Island. Along road to White's Landing, 0.1 mi. from intersection with airport road. 408 Comment
  RSA0022363  Eriodictyon trichocalyx Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5117 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SD41981  Eriodictyon trichocalyx D. F. Howe 1947-5-5 1530 Los Angeles San Gabriel Mountains (North face): Pallett Creek. Comment
  UC1211013  Eriodictyon trichocalyx Huron H. Smith 1912-5-3 4944 Los Angeles Azusa 243 Comment
  UCR145175  Eriodictyon trichocalyx June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  UCSB5289  Eriodictyon trichocalyx var. trichocalyx Crum, Charles 1958-7-3 Los Angeles Crystal Lake recreation area 1828 Comment
  SBBG126026  Eriogonum angulosum A. Parikh, N. Gale 2010-5-11 3155 Los Angeles 1.5 km S of Hwy 138 near intersection of 130th St W and Ave E, 0.1 km E of power lines 787 Comment
  SBBG61811  Eriogonum angulosum P. A. Munz, I. M. Johnston 1928-9-5 11184 Los Angeles rd from Rock Crk to Swartout Valley 1676 Comment
  RSA681910  Eriogonum brachyanthum Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9634 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  CAS-BOT-BC241929  Eriogonum cithariforme Dorothy Evans Noble 1917-11-4 s.n. Los Angeles Valyermo, Mohave [Mojave] Desert Comment
  CAS-BOT-BC242764  Eriogonum davidsonii Louis C. Wheeler 1933-10-22 2191 Los Angeles Crystal Lake, San Gabriel Mts. 1706 Comment
  CAS-BOT-BC242770  Eriogonum davidsonii A. J. McClatchie 1893-8-16 s.n. Los Angeles San Antonio Mt Comment
  RSA524201  Eriogonum davidsonii Tim S. Ross, S. D. Boyd 1990-6-6 2894 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  RSA641381  Eriogonum davidsonii Orlando Mistretta 1995-6-23 1826 Los Angeles San Gabriel Mountains: Lookout Mt. Trail. Orobanche valida survey site 1. 1829 Comment
  RSA0004981  Eriogonum davidsonii Anstruther Davidson 1904-06 1873 Los Angeles San Gabriel Mountains: Mt. Wilson. Comment
  IRVC28747  Eriogonum elongatum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25518 Los Angeles Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters NE end of Santa Susana Mtns. 313 Comment
  RSA279040  Eriogonum elongatum var. elongatum Robert F. Thorne 1971-4-23 41481 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  CAS-BOT-BC253269  Eriogonum fasciculatum var. foliolosum A. C. Sanders 2003-3-14 25750 Los Angeles 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, San Gabriel Valley 559 Comment
  POM279962  Eriogonum fasciculatum var. foliolosum Arthur L. Cohen 1934-8-2 492 Los Angeles Beverly Drive, Santa Monica. 61 Comment
  RSA393418  Eriogonum fasciculatum var. foliolosum C. Epling 1931-5-30 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA766096  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan, Nesta Ewan 1936-8-5 9937 Los Angeles Mescal Creek. 1463 Comment
  UCR145162  Eriogonum fasciculatum var. foliolosum June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  SBBG151  Eriogonum fasciculatum var. polifolium R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UC6286  Eriogonum fasciculatum var. polifolium J. Burtt Davy May 9 1896-May 24 1896 2564 Los Angeles near West Palmdale; Antelope Valley Comment
  RSA393143  Eriogonum giganteum Richard Arnold 1984-8-10 1030 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2 Comment
  RSA393372  Eriogonum giganteum var. giganteum George B. Grant 1906-9-1 1471 Los Angeles Santa Catalina Island Comment
  POM90459  Eriogonum giganteum var. giganteum George B. Grant 1902-8-6 s.n. Los Angeles Santa Catalina Island. Comment
  RSA567258  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  CAS-BOT-BC261097  Eriogonum gracillimum W. R. Dudley; F. H. Lamb 1896-6-4 4326 Los Angeles Lancaster Comment
  VVC2940  Eriogonum gracillimum Tim Thomas 2014-5-4 6297 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  NY43146  Eriogonum grande J. B. Walker 1995-6-5 1426 Los Angeles Santa Catalina Island, S end of White's Landing 3 Comment
  RSA393216  Eriogonum grande var. grande Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  RSA766431  Eriogonum maculatum Joseph A. Ewan 1936-8-6 9974 Los Angeles Head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. 1982 Comment
  SBBG61815  Eriogonum maculatum R. Hoffmann 1929-5-20 Los Angeles Roosevelt Comment
  RSA578725  Eriogonum maculatum Tim S. Ross, J. Mark Porter 1994-5-1 7584 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  SD230263  Eriogonum microthecum Louis C. Wheeler 1968-7-23 Los Angeles San Gabriel Mountains: Little rock Creek by the abandoned pumphouse and dam. 1951 Comment
  JEPS56718  Eriogonum mohavense Ralph Hoffmann 1928-11-9 Los Angeles Acton Comment
  RSA20380  Eriogonum mohavense Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 s.n. Los Angeles 16 miles from Lancaster on the Muroc Rd. Comment
  RSA550212  Eriogonum pusillum Walter Wisura, E. Roeder 1992-4-21 4702 Los Angeles West Mohave: Valyermo Rd. .3 mi. N of turnoff to St. Andrews. Comment
  UC205965  Eriogonum saxatile I. M. Johnston 1917-7-3 1463 Los Angeles San Antonio Canyon San Antonio Mountains, San Antonio Canyon 1828 Comment
  RSA586994  Eriogonum saxatile Orlando Mistretta 1992-5-8 302 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  CAS-BOT-BC263600  Eriogonum trichopes A. D. E. Elmer 1902-6-1 3642 Los Angeles Palmdale Comment
  RSA766466  Eriogonum wrightii Joseph A. Ewan 1930-6-24 2678 Los Angeles Mt. Islip trail to windy camp 2134 Comment
  UCR259653  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2010-10-8 14005 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  UC729481  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles on road to Little Rock 8 mi below Big Pines Park; San Gabriel Mts. 1371 Comment
  UCR146533  Eriogonum wrightii var. subscaposum Scott D. White 2004-8-11 10699 Los Angeles San Gabriel Mtns, c. 8 air mi WNW of Wrightwood; east of Fenner Saddle Rd. on Pacific Crest trail 2195 Comment
  CAS-BOT-BC297934  Eriophyllum confertiflorum Joseph Andorfer Ewan 1933-6-17 10826 Los Angeles Temescal Canyon, Santa Monica Mts Comment
  POM214393  Eriophyllum confertiflorum L. C. Wheeler 1932-4-30 667 Los Angeles Mandeville Canyon, Santa Monica Mtns. 152 Comment
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May 1 2014
  POM49802  Eriophyllum confertiflorum L. W. Nuttall 1920-6-2 s.n. Los Angeles Sea cliffs, Santa Catalina Island. Comment
  RSA526061  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4159 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA729361  Eriophyllum confertiflorum R. G. Swinney 1998-7-27 6489 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  SEINET3859914  Eriophyllum confertiflorum R. G. Swinney 2009-4-15 10344 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: north of Azusa, El Encanto Azusa River Wilderness Park.; 0 296 Comment
  SFV3907  Eriophyllum confertiflorum K. A. Wilson 1961-4-10 1139 Los Angeles Santa Susana Mountains Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  SD86325  Eriophyllum confertiflorum var. confertiflorum R. Mitchel Beauchamp, M. Douglas 1972-3-24 3234 Los Angeles San Clemente Island, north of Nanny. 149 Comment
  UC1211052  Eriophyllum confertiflorum var. confertiflorum Huron H. Smith 1912-5-30 5040 Los Angeles near Avalon; Santa Catalina Island Comment
  UC468942  Eriophyllum confertiflorum var. confertiflorum C. F. Millspaugh 1920-3-9 4759 Los Angeles Pebble Beach Road Santa Catalina Island Comment
  CAS-BOT-BC308355  Eriophyllum nevinii Reid Moran 1949-2-10 3160 Los Angeles Slope near landing, Santa Barbara Island Comment
  POM358114  Eriophyllum pringlei S. B. Parish, Louis Greata 1901-05 s.n. Los Angeles Beauchamps, Mojave Desert. [Burcham's, = Las Flores Ranch near Mojave River] Comment
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Sep 14 2019
  CAS-BOT-BC296965  Eriophyllum wallacei Alice Eastwood 1913-5-11 3180 Los Angeles San Fernando Wash Comment
  UC896380  Eriophyllum wallacei Alice Eastwood 1913-5-11 3180 Los Angeles San Fernando Wash Comment
  UCR189659  Eriophyllum wallacei R. G. Swinney 1998-5-16 6069 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  UCR220344  Erodium botrys D. E. Bramlet, Mike Ahmer 2005-4-14 3792 B Los Angeles Los Angeles Basin Region, Puente Hills in La Habra Heights, main drainage of Powder Canyon, c. 547 ft. east of Skyline Drive and 1460 ft. north of Fullerton Rd. 249 Comment
  CDA4363  Erodium botrys L. C. Wheeler 1967-5-15 9603 Los Angeles San Gabriel Mountains, Elsmere Canyon; bottom of canyon near mouth. Comment
  RSA716212  Erodium botrys Andrea Edwards, Pam DeVries 2006-4-11 86 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SBBG62329  Erodium brachycarpum S. A. Junak with M. L. Hoefs, J. Takara 1998-3-22 SCa 508 Los Angeles SE end of Little Harbor Cmpgrd 36 Comment
  RSA0088789  Erodium brachycarpum Steven A. Junak, Mark Hoefs, Janet Takara 1998-3-22 SCa- 508 Los Angeles Santa Catalina Island: Next to isolated campsite at SE end of Little Harbor Campground. 36 Comment
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA612653  Erodium cicutarium Damian Ross 1997-3-8 2 Los Angeles Bernard Biological Field Station Claremont Colleges. Just west of Infirmary Rd., about 1/2 distance between Foothill Blvd. and former Infirmary building (single patch). 412 Comment
  UC1130289  Erodium cicutarium A. D. Gifford 1935-3-17 492 Los Angeles 2.5 mi sw Red Mountains; Angeles National Forest, Tejon Quad. 518 Comment
  UCR4164  Erodium cicutarium R. H. Sauer 1965-3-8 s.n. Los Angeles La Canada, vacant lot at corner of Foothill Boulevard and Indianola Way 396 Comment
  RSA533483  Erodium cicutarium Tim S. Ross 1991-3-9 4194 Los Angeles Whittier Hills: (Puente Hills, pro parte): head of unnamed ENE-draining canyon. 290 Comment
  RSA608609  Erodium moschatum Louis C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  RSA654335  Erodium moschatum Benjamen Rangel 1992-4-11 777 -03 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA0047331  Erysimum capitatum Orlando Mistretta 1990-5-16 s.n. Los Angeles Vicinity of Big Pines. Mountain High Ski Area 2098 Comment
  CAS-BOT-BC40702  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-13 9485 Los Angeles 16 miles from Lancaster on the Muroc Road. Comment
  LA204347  Erysimum capitatum var. capitatum Carl Epling; May 1925 sn Los Angeles Mint Canyon 1523 Comment
  UCR214606  Erysimum suffrutescens A. C. Sanders, Dan S. Cooper 2010-3-12 37387 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA433636  Eschscholzia caespitosa subsp. caespitosa Bonnie C. Templeton 1929-5-18 s.n. Los Angeles Pacoima Canyon. Comment
  RSA433661  Eschscholzia californica Ora M. Clark 1929-3-30 1887 Los Angeles Antelope Valley, Mojave Desert, w. Lancaster Comment
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Apr 10 2012
  SBBG82795  Eschscholzia californica M. Bufkin -Apr-1895 Los Angeles near Pasadena Comment
  RSA433665  Eschscholzia californica E. Crow 1929-5-4 352 Los Angeles [Unspecified] Comment
  RSA433672  Eschscholzia californica Unspecified 1891-04 s.n. Los Angeles [Unspecified] Comment
  UCSB31575  Eschscholzia californica Kato, Yoriko 1957-3-7 Los Angeles UCLA campus between Franz Hall and Library Comment
  RSA570054  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4911 Los Angeles Castaic Creek: confluence of Fish Canyon and general vicinity. 492 Comment
  SBBG70171  Eschscholzia minutiflora R. Hoffmann 1925-5-16 Los Angeles Palmdale Comment
  RSA526640  Eschscholzia ramosa Tim S. Ross, L. Arnseth 1990-4-7 4222 Los Angeles San Clemente Island, lower half of China Canyon, south end of island, west side Comment
  UCR214638  Eucalyptus A. C. Sanders, Dan S. Cooper 2010-3-12 37378 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR260372  Eucalyptus camaldulensis R. G. Swinney 2010-2-27 11664 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  SEINET3463249  Eucalyptus globulosus Unknown 1939-7-10 119 Los Angeles Los Angeles, Los Angeles, Campus Comment
  UC1204766  Eucalyptus sideroxylon Huron H. Smith 1912-3-16 4509 Los Angeles Santa Monica, State Eucalyptus Exp. Station 91 Comment
  RSA673614  Eucalyptus sideroxylon LeRoy Gross 2003-1-25 688 Los Angeles Johnston's Motorway from Indian Springs Estates (private Homes) but with trail easement at gated end of Iverson Road off Santa Susana Pass Road. climbs to main crest. 610 Comment
  CATA3109  Eucrypta chrysanthemifolia var. chrysanthemifolia Amy Catalano 2016-5-18 113 Los Angeles Santa Catalina Island: Stage Road, 0.4 miles up road from Hogsback Gate, on west side of road 212 Comment
  UCR153575  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2005-4-26 29715 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
  SBBG124897  Euphorbia graminea J. M. Wood 2009-1-3 281 Los Angeles residential property, El Nido Drive; Monrovia 171 Comment
  UCR101276  Euphorbia helioscopia L. C. Wheeler 1945-6-10 6066 Los Angeles Los Angeles Basin region; San Gabriel Valley, South El Monte: Between Rio Hondo and San Gabriel Rivers, between Repetto and Puente Hills. Siphon Road, 1/4 mi east of Durfee Avenue. 65 Comment
  PASA704  Euphorbia serpyllifolia Annetta Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA654331  Euphorbia supina Benjamen Rangel 1992-5-17 777 -48 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; found mostly in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA515349  Euphorbia terracina A. C. Sanders 1987-12-4 7584 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  LA201901  Euphorbia terracina Arthur C. Gibson; May 2003 3269 Los Angeles Santa Monica Mountains, Malibu, Pacific Coast Hwy at Serra Way Comment
  UCR101929  Euryops pectinatus Scott D. White 1997-12-31 6039 Los Angeles Malibu Coast: Mouth of Trancas Canyon, north of Pacific Coast Hwy. 8 Comment
  UCR277054  Euthamia occidentalis R. G. Swinney 2011-9-22 15660 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  SBBG13618  Extriplex californica P. H. Raven 1962-4-11 17254 Los Angeles due W of Wall 2 9 Comment
  RSA763750  Festuca californica subsp. parishii Orlando Mistretta, Christine Mistretta 2008-5-20 3142 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  OBI69141  Festuca microstachys Steve Boyd, Lauren Raz 1997-3-26 9337 Los Angeles Liebre Mts Region: N base of Portal Ridge at the mouth of Myrick cyn, S edge of the Antelope Valley, S of Fairmont Reservoir. T7N R15W NE 1/4 sec 14 1000 Comment
  UCR153571  Festuca octoflora A. C. Sanders 2005-5-11 30176 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR264730  Festuca octoflora Steve Boyd, Gary D. Wallace 2011-4-14 12309 Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA574267  Festuca trachyphylla Timothy S. Ross, Walter Appleby 1993-5-14 7145 Los Angeles 270m SW of May Canyon Saddle and 450 WNW of May Peak 1109 Comment
  RSA747078  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Canyon at El Encanto, west bank of the river. 256 Comment
  RSA158210  Filago arizonica Peter H. Raven 1962-5-9 17652 Los Angeles San Clemente Island, along road just north of Guds. 250 Comment
  UCR152894  Filago californica A. C. Sanders, Helen Kennedy 2005-4-13 29417 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA93683  Filago californica F. W. Peirson 1921-6-20 5278 Los Angeles West Fork of San Gabriel River. 534 Comment
  UCR150902  Filago gallica Valerie Soza, Kent Hughes 1999-6-17 560 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 747 Comment
  CDA29962  Foeniculum vulgare Michael O Brien 2009-7-26 s.n. Los Angeles Topanga State Beach: in flood plain of Topanga Creek, in an area that used to be a historic community of shacks, bungalows, and mobile homes. 0 Comment
  SBBG128269  Foeniculum vulgare D. Kasang, S. Lawrence-Gomez, A. Cheung, M. Zou, S. Ratay 2011-7-1 5 Los Angeles Deer Valley Trail 4 Comment
  SD40898  Foeniculum vulgare Carl B. Wolf 1932-10-3 Los Angeles Santa Catalina Island, ca. 1 1/4 mile from Wrigley Drive on road to Renton Mine 305 Comment
  RSA718265  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  OBI66300  Frangula californica subsp. californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Tranverse Ranges; Liebre Mts region: Atmore MEadows area Comment
  POM306717  Frangula californica subsp. californica Henry J. Ramsey, Henry J. Ramsey 1937-7-18 1665 Los Angeles Soldiers' Creek, San Gabriel Mountains. Comment
  RSA799687  Frangula californica subsp. tomentella Pam De Vries 2013-4-3 7831 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  POM49338  Frankenia grandifolia L. W. Nuttall 1920-6-3 s.n. Los Angeles Santa Catalina Island, on Pebble [Pebbly] Beach Comment
  POM83965  Frankenia grandifolia Marcus E. Jones 1900-7-12 s.n. Los Angeles Long Beach. Comment
  RSA585565  Fraxinus dipetala Tim S. Ross 1992-4-21 6218 Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  RSA727616  Fraxinus dipetala R. G. Swinney 1998-4-15 6018 Los Angeles San Gabriel Mountains: bottom of Evey Canyon, 0.7 mi. west of San Antonio Canyon Rd. 793 Comment
  UC878071  Fraxinus dipetala F. Grinnell 1917-3-31 Los Angeles near Newhall Pass; Santa Susanna Mts. Comment
  UCR182269  Fraxinus dipetala R. G. Swinney 1998-4-15 6018 Los Angeles San Gabriel Mountains, bottom of Evey Canyon, 0.7 mi. west of San Antonio Canyon Rd. 793 Comment
  UCR258509  Fraxinus velutina R. G. Swinney 2010-9-13 13811 Los Angeles San Gabriel Mountains, Crystal Lake, within 100 m of shoreline 1691 Comment
  CAS-BOT-BC212383  Fremontodendron californicum Robert F. Thorne; Carlos Munoz 1969-6-17 38016 Los Angeles Lower end of Icehouse Canyon, San Gabriel Mts., Angeles National Forest 1524 Comment
  RSA230744  Fremontodendron californicum subsp. californicum Robert F. Thorne, M. Z. Thorne 1969-7-9 38478 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
  CAS-BOT-BC130250  Fritillaria biflora Munz; Street; Williams 1919-3-8 2302 Los Angeles Pomona Comment
  POM3369  Funastrum cynanchoides var. hartwegii I. M. Johnston 1918-5-15 s.n. Los Angeles Claremont. [Campus by Harwood Hall.] 366 Comment
  CAS-BOT-BC435219  Galenia pubescens var. pubescens John Ekhoff 1992-6-12 s.n. Los Angeles Signal Hill: property along Hill Street in the two-block area between Stanley and Ohio Avenues. 76 Comment
  UCD132359  Galinsoga parviflora Jane Turner; Francis M. Ball 1963-4-30 SK and F 1282 Los Angeles Plant Physiology area, campus of the University of California, Los Angeles. Comment
  CAS-BOT-BC223004  Galium andrewsii subsp. andrewsii W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1615 Comment
  RSA0080764  Galium angustifolium R. G. Swinney 2010-5-12 12733 Los Angeles Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone. 921 Comment
  RSA732848  Galium angustifolium subsp. angustifolium R. G. Swinney 2001-5-18 7936 Los Angeles Mojave Desert: Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy. 138. 1284 Comment
  SBBG68821  Galium angustifolium subsp. angustifolium R. Hoffmann 1928-7-9 Los Angeles Pine Cyn Comment
  UC57011  Galium angustifolium subsp. angustifolium Ernest Braunton 1902-7-8 515 Los Angeles Sherman Comment
  RSA0031454  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-23 2529 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 61 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1143 Comment
  RSA646290  Galium angustifolium subsp. angustifolium Orlando Mistretta 1992-7-17 727 Los Angeles San Gabriel Mtns. Gold Canyon trail. Tujunga Ranger District. Comment
  RSA682644  Galium angustifolium subsp. angustifolium LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1029 Los Angeles South side of mountains:Along road across from Brand Canyon Debris Basin, at mouth of Brand Canyon. 262 Comment
  POM49901  Galium angustifolium subsp. gabrielense I. M. Johnston 1924-6-28 s.n. Los Angeles Above Spring Hill, San Antonio Canyon, along trail to Cascade Canyon. 1220 Comment
  RSA191164  Galium angustifolium subsp. nudicaule Robert F. Thorne, M. Z. Thorne 1967-7-19 37168 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1982 Comment
  POM4535  Galium aparine D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  SBBG130718  Galium catalinense S. A. Junak 2000-5-6 SCa 1281 Los Angeles just N of Upper Quarry Rd, ca. 2.4 mi W of jct with rd to housing at Empire Landing 289 Comment
  RSA678830  Galium grande Valerie L. Soza, Samantha Tessel 2001-6-18 1287 Los Angeles Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1 mile from trailhead out of Chantry Flat area. 793 Comment
  RSA682407  Galium grande Valerie L. Soza, Bill Hogshead 2003-5-6 1649 -a Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UC1409016  Galium hallii Robert F. Thorne and J. Dourley 1967-10-3 37267 Los Angeles n slope at Vincent Gap Mt. Baden-Powell 2133 Comment
  JEPS21682  Galium jepsonii Rimo Bacigalupi with Reino Alava 1958-7-20 6422 Los Angeles about 1 mi w Cedar Spring (upper slopes of Little Rock Creek Canyon, near base of n-facing side of Kratka Ridge); San Gabriel Mountains, Angeles National Forest, Little Rock 2072 Comment
  LA83058  Galium jepsonii O. H. Kappler; 1947-6-7 Los Angeles San Gabriel Mountains, Mount Waterman Area 1920 Comment
  UCR223274  Galium jepsonii R. G. Swinney 2009-7-29 11444 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR223183  Galium johnstonii R. G. Swinney 2009-7-22 11315 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  CATA3158  Galium murale Amy Catalano, Matt Guilliams, Peter Dixon 2016-5-11 106 Los Angeles Santa Catalina Island: Renton Mine Canyon, 160 meters southeast of junction of East End Rd. and Renton Mine Rd., below old mining structures 135 Comment
  RSA678819  Galium nuttallii Valerie L. Soza, Samantha Tessel 2001-6-18 1295 Los Angeles Firebreak above Chantry Flat heliport, ca. 0.2 mile west of heliport, off FS Road 2N41.2, west side Santa Anita Canyon. 838 Comment
  LA50675  Galium nuttallii subsp. nuttallii Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  UCR140004  Galium parisiense L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns., summit of Johnstone Peak 976 Comment
  SBBG131628  Galium parisiense S. A. Junak 1999-9-10 SCa 1088 Los Angeles S side of upper reservoir, Bulrush Cyn 316 Comment
  UCR259241  Galium porrigens R. G. Swinney 2010-3-14 11903 Los Angeles San Gabriel Mountains, Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road 447 Comment
  RSA527617  Galvezia speciosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-6 4161 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  SBBG32047  Gambelia speciosa R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -272 Los Angeles S side of White's Landing Comment
  RSA603419  Gamochaeta pensylvanica Joseph A. Ewan 1937-8-23 11060 Los Angeles Common dooryard weed, Cauby home, San Fernando City. Comment
  RSA632430  Garrya flavescens Valerie L. Soza, LeRoy Gross, Jean Kuo 1999-7-6 609 Los Angeles San Gabriel Mountains: Southwestern side of Big Rock Creek, Manzanita Trail from South Fork Campground. 1585 Comment
  RSA585536  Garrya veatchii Tim S. Ross 1992-4-21 6217 b Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  UCR104186  Garrya veatchii Scott D. White 1997-5-21 5196 Los Angeles San Gabriel Mtns., San Gabriel River Canyon: north of Azusa, parallel to Hwy 39, along unnamed dirt access road to gauging station below Morris Dam 290 Comment
  POM257526  Gastridium phleoides C. B. Wolf 1932-5-10 3523 Los Angeles Santa Catalina Island. Equestrian Trail back of Avalon. 259 Comment
  CDA5225  Gaura sinuata Agricultural Commissioner 1935-8-3 Los Angeles San Fernando Valley. 0 Comment
  CAS-BOT-BC478893  Gayophytum R. G. Swinney 2008-8-13 9384 Los Angeles San Gabriel Mtns. East fork of Icy Springs drainage, tributary of Big Rock Creek, 0.3 mi. SE of Big Rock Creek Rd 1805 Comment
  RSA532641  Gayophytum diffusum subsp. parviflorum Tim S. Ross 1991-8-14 5753 Los Angeles Roundtop Mountain. 1893 Comment
  UCR273411  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-6-22 15255 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
  UCR149318  Geranium carolinianum R. G. Swinney 1998-4-13 5969 Los Angeles San Gabriel Mtns., Claremont Hills Wilderness Park, 0.2 to 0.6 mi. (by road) NNW of north end of Mills Ave., on Cobal Canyon Rd. 543 Comment
  UCSB33346  Gilia N. Black 1968-4-6 200 Los Angeles 50 FT S OF PALMDALE BLVD; 0.3 MILES E OF GOODE HILL ROAD 1005 Comment
  RSA311309  Gilia aliquanta subsp. aliquanta R. F. Thorne, Gary D. Wallace 1973-4-24 43425 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  RSA600713  Gilia aliquanta subsp. aliquanta L. C. Wheeler 1955-4-16 7126 Los Angeles San Gabriel Mountains: Pinyon Flat. Comment
  LA200753  Gilia angelensis A. M. Johnson; 1934-3-16 4375 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA596003  Gilia angelensis L. C. Wheeler 1967-5-2 9272 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  RSA155878  Gilia angelensis P. H. Raven 1962-5-1 17521 Los Angeles Just south of Agoura 259 Comment
  RSA678234  Gilia australis Valerie L. Soza, S. D. Boyd 2002-4-10 1400 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  UCR151002  Gilia brecciarum Walter Wisura 2001-4-30 5154 Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: Hwy N4, 9.4 mi N from the junction with Hwy 2 2337 Comment
  RSA599848  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-5-6 9764 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UC714929  Gilia capitata subsp. abrotanifolia R. C. Foster 1937-6-2 325 Los Angeles ne Claremont (Evey Canyon, foothills San Gabriel Mts.); foothills San Gabriel Mts., ne of Claremont, Evey Canyon Comment
  UCR155588  Gilia capitata subsp. abrotanifolia A. C. Sanders, Helen Kennedy 2005-4-13 29448 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCSB29271  Gilia capitata subsp. abrotanifolia Blakley, E. 1958-5-9 Los Angeles Hills 2 miles east of Gorman 1097 Comment
  RSA470241  Gilia capitata subsp. abrotanifolia Agatha 1938-4-10 183 Los Angeles Campus. Comment
  RSA470245  Gilia capitata subsp. abrotanifolia Geo L. Moxley 1915-5-9 318 Los Angeles Low hills Comment
  UCR102537  Gilia interior George K. Helmkamp 1997-3-6 1344 Los Angeles Western Mojave Desert, west of Lancaster at 125th St. & Calif. Hwy 138 762 Comment
  RSA652599  Gilia latiflora Orville Armstrong 1949-5-1 s.n. Los Angeles 5 mi. south of Vincent 1067 Comment
  RSA249786  Gilia latiflora subsp. davyi R. F. Thorne, C. W. Tilforth 1973-4-20 43014 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  RSA469382  Gilia latiflora subsp. latiflora H. de Forest 1934-05 18745 Los Angeles Valyermo. 1189 Comment
  SEINET3086286 Image available Gilia leptantha H. Dearing, M. Dearing 1944-10-5 5885 Los Angeles Charlton Flat, Angeles Crest Highway. Comment
  RSA732860  Gilia leptantha subsp. transversa R. G. Swinney 2001-5-17 7953 Los Angeles Bobs Gap, c. 1/4 mile north of Panorama Rd. on Bobs Gap Rd. 1232 Comment
  RSA0083773  Gilia minor J. Mark Porter 1998-4-27 11835 Los Angeles Antelope Valley: W. of Lancaster, N. side of Avenue G. Comment
  UC908497  Gilia minor Herbert L. Mason 1926-4-26 2995 Los Angeles 1 mi e Palmdale (Mohave Desert); , e of Palmdale Comment
  RSA597286  Gilia modocensis T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3740 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  CAS-BOT-BC225501  Gilia nevinii Blanche Trask 1900-4-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA187843  Gilia nevinii R. F. Thorne 1966-4-6 35892 Los Angeles Santa Catalina Island. Between White and Moonstone Coves. 15 Comment
  RSA251457  Gilia nevinii R. F. Thorne 1973-4-11 42813 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  CAS-BOT-BC402016  Gilia ochroleuca subsp. bizonata Le Roy Abrams; E. A. McGregor 1908-6-20 358 Los Angeles Liebre Mountains 1371 Comment
  CAS-BOT-BC401992  Gilia ochroleuca subsp. bizonata Tim Ross; Steve Boyd; Orlando Mistretta; Peter Fritsch; Alex Quici 1990-6-27 3902 Los Angeles Liebre Mountains. Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon 1731 Comment
  RSA0016249  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1994-5-13 1213 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA0016251  Gilia ochroleuca subsp. bizonata Orlando Mistretta, S. D. Boyd, Darin Banks 1994-4-29 1148 Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Santiago Creek Section. Comment
  RSA0017205  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Mark Elvin 1995-5-10 1699 Los Angeles Bare Mountain Canyon 1463 Comment
  RSA0017147  Gilia ochroleuca subsp. vivida Valerie L. Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1674 Los Angeles Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. 1982 Comment
  CHSC26037  Gilia sinuata Irene Martin 1971-5-2 31 Los Angeles 15 miles East of Palmdale, 3 mi. North of Hwy. 138 on 167th St. in Mojave Desert. 914 Comment
  SBBG118581  Gilia sinuata L. Gross, O. Mistretta, V. Soza 2003-5-13 872 a Los Angeles Big Rock Crk, N and E of Valyermo Ranger Stn, off Big Pines Hwy; T4N R9W S8 1143 Comment
  UCSB51745  Glycyrrhiza lepidota Hodgson, John 1928-7-17 Los Angeles Along creek below Peace Valley, Santa Barbara-Tejon forest 609 Comment
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Apr 1 2015
  RSA188087  Gnaphalium chilense R. F. Thorne 1966-4-29 36317 Los Angeles Santa Catalina Island: below road to White's Landing above turn-off to Echo Lake 411 Comment
  CDA6036  Gnaphalium luteoalbum Agricultural Commissioner 1950-12-14 197 Los Angeles A. E. Burley Ranch, 90th Street East & Avenue H, Roosevelt Hill. 0 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
  RSA590926  Grayia spinosa Orlando Mistretta 1994-04 1016 Los Angeles San Gabriel Mountains: Little Rock creek. Slopes E of Little Rock creek reservoir. 1006 Comment
  SEINET4691738  Gutierrezia microcephala R. G. Swinney 2009-1 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  UCR117560  Haplopappus venetus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 595 Comment
  UCR93303  Harpagonella palmeri T. S. Ross 1993-4-22 6869 Los Angeles Channel Islands, Santa Catalina Island, SW part of the island, SE slope of the 1528-foot peak (not far below its summit), 1200 m ESE of the summit of Cactus Peak (1560 ft.). 448 Comment
  JEPS26136  Hazardia squarrosa var. grindelioides Peter H. Raven and Henry J. Thompson 1958-10-11 13743 Los Angeles at Coast Highway; Santa Monica Mountains, Las Tunas Canyon 152 Comment
  LA105285  Hazardia squarrosa var. grindelioides Barry A. Prigge; 1988-10-8 8365 Los Angeles Santa Susana Mountains, East Canyon, ca 2 mi.SSE of Newhall and from the mouth of the canyon at The Old Road to ca 1/8 mi. up canyon 444 Comment
  RSA0094089  Hazardia squarrosa var. grindelioides Richard G. Swinney 2011-11-3 15996 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre. 549 Comment
  UC55063  Helenium puberulum Ernest Braunton 1902-7-1 600 Los Angeles Los Angeles River Comment
  RSA0067560  Helianthemum scoparium R. G. Swinney 2010-5-4 12499 Los Angeles San Gabriel Mountains: north of Sylmar, 0.1 mi. NNE (6 deg ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  SFV21760  Helianthus annuus L. Gross 2001-4-1 377 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Low hill between La Tuna Canyon Road and Sunland Blvd. Entered at dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in Sun Valley, just west of mouth of McDonald Creek. 305 Comment
  POM305692  Helianthus annuus subsp. lenticularis Henry J. Ramsey, Henry J. Ramsey 1937-8-29 974 Los Angeles Altadena. 396 Comment
  CAS-BOT-BC305690  Helianthus gracilentus A. D. E. Elmer 1902-6-1 3611 Los Angeles Acton Comment
  LA32030  Helianthus gracilentus Peter H. Raven; Henry J. Thompson 1959-10-18 14683 Los Angeles Santa Monica Mountains, along Decker Road, 1.8 mi S of Mulholland Hwy 487 Comment
  LA32031  Helianthus gracilentus Henry J. Thompson; 1959-5-2 1977 Los Angeles Santa Monica Mountains, Yerba Buena Road, 1.2 mi W of junction with Mulholland Hwy 609 Comment
  UCSB5619  Heliotropium curassavicum Wedberg, H. 1958-7-19 Los Angeles On Point Dume Comment
  CAS-BOT-BC305880  Helminthotheca echioides Joseph Andorfer Ewan 1932-6-24 7570 Los Angeles Arizona Ave., 4 miles W. of Hawthorne Comment
  RSA139169  Hemizonia clementina Reid V. Moran 1958-9-15 6837 Los Angeles San Clemente Island, Wilson's cove. 50 Comment
  RSA360234  Hemizonia clementina M. B. Dunkle 1939-4-5 7277 Los Angeles Pyramid Cove, San Clemente Island. Comment
  POM199703  Hemizonia fasciculata I. W. Clokey, B. C. Templeton 1929-08 4600 Los Angeles Westwood. Mandeville Canyon, Santa Monica Mts. 200 Comment
  RSA515096  Hemizonia fasciculata Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 795 -12 Los Angeles San Clemente Island, China Canyon, central branch, S end of island. Comment
  RSA666512  Hemizonia fasciculata A. C. Sanders, D. Malueg 2001-5-17 24342 Los Angeles Montebello Hills in Montebello, 11 acres gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decomissioned. 122 Comment
  SD234354  Herniaria hirsuta var. cinerea A. C. Sanders Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26147 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 (Warm Springs Mtn 7.5'Q) 487 Comment
  CAS-BOT-BC403833  Hesperocnide tenella Geo. B. Grant 1900-3-17 2296 Los Angeles Lincoln Park. Arr. S. Comment
  SEINET12265278  Hesperoyucca whipplei I. W. Clokey 1935-1 6994 Los Angeles Pasadena Glen 400 Comment
  UCR277154  Heterocodon rariflorum R. G. Swinney 2011-6-15 15204 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
  HSC12393  Heteromeles arbutifolia Wendell Wood 1970-6-21 23 Los Angeles Linda Vista Rd. and Figueroa, Glendale 457 Comment
  LA79141  Heteromeles arbutifolia L. J. Hutchinson; 1940-11-18 sn Los Angeles 243 Comment
  RSA449821  Heteromeles arbutifolia Freda Detmers 1929-7-18 s.n. Los Angeles Griffith Park, Los Angeles. Comment
  SD91993  Heteromeles arbutifolia var. macrocarpa Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22681 Los Angeles San Clemente Island; west fork of Red Rock Canyon 280 Comment
  CAS-BOT-BC318864  Heterotheca grandiflora H. E. McMinn 1924-7-25 1331 Los Angeles Catalina Island Comment
  CAS-BOT-BC318870  Heterotheca grandiflora F. A. Thackery 1928-6-3 429 Los Angeles Mulholland Drive Comment
  LA200238  Heterotheca grandiflora Jonathan Sauer; H. N. Sauer, L. Birindelli, D. Birindelli 1968-11-23 4363 Los Angeles SANTA MONICA MOUNTAINS, Malibu Lagoon and salt marsh Comment
  RSA0074442  Heterotheca grandiflora Timothy S. Ross 1991-2-23 4099 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon on slope dropping WNW from Turnbull Canyon Road x Skyline Drive. 293 Comment
  CAS-BOT-BC310849  Heterotheca sessiliflora subsp. fastigiata F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  UC1586208  Heterotheca sessiliflora subsp. fastigiata Tim Ross 1991-8-16 5803 Los Angeles .20 mi due e confluence of Lucas Creek (roadside, Angeles Forest Highway, Condor Peak USGS 7.5 Quad.); Big Tujunga Canyon 917 Comment
  CAS-BOT-BC48174  Heuchera elegans Geo. B. Grant 1901-1-1 570 Los Angeles So. Calif. - Summit of Mt. Lowe 1828 Comment
  RSA0063278  Heuchera elegans Wesley O. Griesel 1961-7-9 s.n. Los Angeles White Thorn Picnic Area State Hwy 2, San Gabriel Mtns. 2287 Comment
  UC8897803  Hieracium albiflorum P. A. Munz 1922-7-18 6092 Los Angeles in side-canyon, Icehouse Canyon San Gabriel Mts., Icehouse Canyon 1981 Comment
  RSA613022  Hirschfeldia incana L. C. Wheeler 1974-4-27 s.n. Los Angeles Fish Canyon at the Gauging Station. 274 Comment
  RSA156514  Hoita macrostachya L. R. Abrams 1902-7-6 2657 Los Angeles Near Azusa Comment
  UCSB41308  Holodiscus discolor var. microphyllus Miller, Brian 1960-7-7 Los Angeles Dawson Saddle, San Gabriel Mountains 2377 Comment
  RSA188141  Hordeum depressum R. F. Thorne 1966-4-7 35984 Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  SBBG133001  Hordeum intercedens S. A. Junak 1996-4-12 SCI 296 Los Angeles NE end of island, along E side of Skink Alley Rd, in swale N of Peak 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  RSA716645  Hordeum murinum Andrea Edwards, Pam De Vries 2005-3-29 50 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA624640  Hordeum murinum subsp. glaucum L. C. Wheeler 1973-5-12 s.n. Los Angeles San Gabriel Mountains: Gould Mesa Picnic Ground. 427 Comment
  SEINET10605405  Hordeum murinum subsp. glaucum LeRoy R. Abrams 1903-4-11 Abrams 3243 Los Angeles Along streets, Inglewood. Comment
  RSA0116324  Hordeum murinum subsp. leporinum Teresa B. Salvato 2008-4-25 3347 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert: Hwy 138, west of Cow Spring Canyon and 0.6 mi east of 300th Street West. 930 Comment
  LA201896  Horkelia cuneata subsp. cuneata Arthur C. Gibson; 2003-6-8 4911 Los Angeles 137 Comment
  CAS-BOT-BC532287  Horkelia cuneata var. puberula Geo B. Grant 1901-1-1 599 Los Angeles Pacific Coast, Pasadena Comment
  CAS-BOT-BC532295  Horkelia cuneata var. puberula Alice Eastwood 1928-6-15 15399 Los Angeles Claremont Comment
  CAS-BOT-BC144036  Horkelia rydbergii Victor Duran 1933-7-11 3517 Los Angeles Sulphur Springs, San Gabriel Mts. 1524 Comment
  POM360710  Hulsea vestita subsp. gabrielensis Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA587222  Hymenoclea salsola var. salsola Orlando Mistretta 1995-7-12 1897 Los Angeles San Gabriel Mountains: Little Rock Creek, just N of Guard Station along Little Rock Creek, below the dam. 976 Comment
  RSA679874  Hymenoclea salsola var. salsola LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 856 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 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
  SBBG62879  Isocoma acradenia R. Hoffmann 1927-9-23 Los Angeles Lancaster Comment
  UCSB51537  Isocoma acradenia Hodgson, John 1928-11 Los Angeles At bridge above Grapevine, Ridge Route; Santa Barbara Forest 548 Comment
  UC625154  Isocoma menziesii var. sedoides F. R. Fosberg 1931-4-29 S 4707 Los Angeles mouth Cottonwood Canyon; Santa Catalina Island 3 Comment
  RSA652950  Isocoma menziesii var. vernonioides A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23257 Los Angeles Santa Susana Mountains: Aliso Canyon Oil Field, Oat Mountain, Mormon, Limekiln and Aliso Canyon watersheds; This from upper Limekiln Cyn. near So Cal G[as] 595 Comment
  SDSU6906  Juglans californica R. M Beauchamp 1966-8-10 65 Los Angeles Comment
  LA200581  Juglans californica var. californica Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA0011163  Juglans californica var. californica Steve Boyd, Walter Appleby 1993-4-22 7979 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
  SBBG113262  Juncus acutus S. A. Junak with M. L. Hoefs, M. Gay 1997-6-6 SCa 437 Los Angeles N end of upper Buffalo Springs Reservoir, just NW of airport 435 Comment
  SBBG57236  Juncus balticus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SBBG77282  Juncus balticus F. R. Fosberg 1931-4-15 4619 Los Angeles Middle Ranch Cyn 180 Comment
  UCR150550  Juncus balticus R. G. Swinney 1999-6-21 7348 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA0012075  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  CATA3396  Juncus bufonius var. bufonius Peter J. Dixon 2017-4-28 086 Los Angeles Santa Catalina Island: Near Isthmus, 700 m northeast of Tower Pk. 250 Comment
  RSA639192  Juncus bufonius var. bufonius L. C. Wheeler 1967-5-31 9810 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA0096799  Juncus duranii R. G. Swinney 2011-9-27 15701 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
  RSA532826  Juncus macrophyllus Timothy S. Ross 1991-8-14 5786 Los Angeles 0.48 mi E of Roundtop Truck Rd. 1917 Comment
  UC212769  Juncus mexicanus I. Johnston 1917-4-11 Los Angeles Wilmington Comment
  IRVC26835  Juncus rugulosus S. D. White 1997-5-14 5144 A Los Angeles Big Tujunga Wash, Sunland-Tujunga area, SW of 210 Freeway, E of Hansen Dam and N of Wentworth Street. Base of San Gabriel Mtns. 335 Comment
  POM1605  Juncus rugulosus I. M. Johnston 1917-6-14 1341 Los Angeles West of Pomona. Comment
  RSA602457  Juncus rugulosus Scott D. White 1997-5-14 5144 A 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
  RSA747199  Juncus rugulosus R. G. Swinney 2005-8-5 8383 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  UC57090  Juncus textilis Ernest Braunton Sep 1902 666 Los Angeles Los Angeles River Comment
  UC57091  Juncus torreyi Ernest Braunton Jul 1902 559 Los Angeles Los Angeles River Comment
  RSA608232  Juncus xiphioides L. C. Wheeler 1946-9-2 6337 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA653375  Juncus xiphioides LeRoy Gross, Andrea E. Gutman, Sarah Gutman 2000-9-8 265 Los Angeles Big Tujunga Wash/ Verdugo Mountains: Tujunga Ponds. 335 Comment
  LA51056  Juniperus californica Carl Epling; November 1930 sn Los Angeles San Bernardino Mountains, Between Big Pines & Palmdale Comment
  RSA764136  Juniperus californica Doris Bowers 1957-4-25 33 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  RSA401781A  Keckiella cordifolia Howard Mullins 1931-5-9 s.n. Los Angeles Santa Susana. Comment
  RSA171018  Keckiella ternata subsp. septentrionalis Robert F. Thorne 1963-7-11 32771 Los Angeles Along road to Upper Shake Campground, ca. 3 miles W of Lake Hughes, Angeles National Forest. Comment
  CAS-BOT-BC238333  Keckiella ternata var. septentrionalis Tim Ross; Steve Boyd 1992-7-5 6603 Los Angeles Liebre Mountains. Red Mountain: E ridge of Red Mtn, ca 530 m E of the summit 1118 Comment
  SEINET8853387 Image available Kerria japonica Henrickson 2002-1 23283 Los Angeles Cultivated in South Pasadena, 1409 Oneonta Knoll from material otained from Forest Farms nursery, Williams, Oregon Comment
  CAS-BOT-BC111950  Kyllinga brevifolia Grace Cole Fleischman 1957-4-1 s.n. Los Angeles In flat of Dichondra. Comment
  RSA0110558  Lactuca saligna Steven A. Junak, Keri Kirkland 1998-7-17 SCa- 777 Los Angeles Santa Catalina Island: Silver Canyon, at base of slope of E side of canyon, ca 0.7 air miles inland from beach. 76 Comment
  CAS-BOT-BC340582  Lactuca serriola Steven A. Junak 1996-9-28 SCI- 672 Los Angeles San Clemente Island: W side of island, in middle portion of Box Canyon, near UTM 11 0361800E 3637800N 335 Comment
  RSA601553  Lactuca serriola L. C. Wheeler 1967-6-26 9909 Los Angeles San Gabriel Mountains : Placerita Canyon; ca. 1/4 mile E of highway 457 Comment
  CATA425  Lamarckia aurea Sara L. Crockett, Sheila Schueller 1997-3-8 563 Los Angeles Santa Catalina Island: Point overlooking Cottonwood Beach, ca. 25 m W of road 79 Comment
  SD186284  Lastarriaea coriacea Andy C. Sanders, Mark Elvin, et al. 2003-4-16 26052 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west end of Magic Mountain Parkway, south of Magic Mtn. theme park 366 Comment
  UCR276787  Lastarriaea coriacea R. G. Swinney 2011-3-29 14271 A 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
  CAS-BOT-BC338117  Lasthenia californica LeRoy Abrams 1903-3-14 3134 Los Angeles San Pedro hills near Rocky Pt. Comment
  CAS-BOT-BC338155  Lasthenia californica M. E. Jones 1882-3-7 s.n. Los Angeles Pasadena Comment
  RSA724500  Lasthenia chrysostoma K. Dobry 1991-4-4 407 Los Angeles Elsmere Cyn. West San Gabriel Mts. Comment
  UC1922649  Lasthenia coronaria Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1159 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 457 Comment
  UC89995  Lasthenia coronaria J. C. Nevin Los Angeles Los Angeles Comment
  RSA92987  Lasthenia coronaria F. W. Peirson 1921-3-3 330 Los Angeles Arroyo Seco, near Pasadena 350 Comment
  CAS-BOT-BC329162  Lasthenia glabrata subsp. coulteri Le Roy Abrams 1899-4-1 361 Los Angeles Ballon Marshes Comment
  UC50365  Lasthenia glabrata subsp. coulteri H. M. Hall 1903-4-1 3736 Los Angeles Los Angeles Comment
  RSA0060768  Lasthenia gracilis LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6823 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA188059  Lasthenia gracilis R. F. Thorne 1966-4-6 35927 Los Angeles Santa Catalina Island: 1 mile W of Empire Landing 76 Comment
  RSA608203  Lasthenia gracilis R. S. Woglum 1930-4-28 s.n. Los Angeles Hills south of Glendora. Comment
  RSA405700  Lathyrus vestitus subsp. laetiflorus Anstruther Davidson 1891-06 s.n. Los Angeles Catalina Island. Comment
  SBBG15898  Lathyrus vestitus var. vestitus W. G. Webb 1934-12-12 Los Angeles Glendale, Eagle Rock Comment
  RSA526072  Lavatera cretica Steve Boyd, Orlando Mistretta, L. Arnseth, Bart O Brien, T. Hayduk 1990-4-6 4171 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  RSA628627  Lavatera cretica Steven A. Junak 1997-4-21 SC 1 -858 Los Angeles San Clemente Island. E side of island, in Larkspur Canyon, just upstream from large drop-off in canyon. 189 Comment
  CAS-BOT-BC321524  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 Comment
  CAS-BOT-BC321538  Layia glandulosa Timothy S. Ross; Victor W. Steinmann 1995-5-8 8559 Los Angeles Liebrel Mountains. Slopes between Leona Valley and Lost Valley. 1182 Comment
  POM361622  Layia glandulosa Anstruther Davidson 1890-4-13 s.n. Los Angeles Arroyo Comment
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Aug 9 2010
  RSA550027  Layia glandulosa Walter Wisura, E. Roeder 1992-4-21 4697 Los Angeles West Mojave: Mountain Brook Ranch near Valyermo. Comment
  JEPS30623  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Point Dume; Santa Monica Mountains 15 Comment
  JEPS40058  Layia platyglossa S. B. and W. F. Parish 1887-6-1 1924 Los Angeles Elizabeth Lake Comment
  UCR191716  Layia platyglossa A. C. Sanders 2008-4-18 34956 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 977 Comment
  UCR215121  Layia platyglossa Sarah C. Pasquini 2008-4-19 22 Los Angeles South Coast, San Pedro, White Point Nature Preserve, c. 300 m off West Paseo del Mar 40 Comment
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Apr 27 2016
  SD87860  Lemmonia californica F. W. Peirson 1919-5-10 396 Los Angeles Arraster, San Gabriel Mountains. 914 Comment
  UCR230150  Lemna minuscula A. C. Sanders, Dan S. Cooper 2010-4-30 38129 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA82029  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA183003  Lepechinia fragrans S. Carlquist, Robert F. Thorne 1966-4-29 1826 Los Angeles Santa Catalina Island. Upper slopes of Blackjack Mt., at beginning of road down to White s Landing. Comment
  RSA741093  Lepechinia fragrans Justin M. Wood 2008-11-21 243 Los Angeles Above La Canada, off of ANF Road (2N76). 985 Comment
  UCR147784  Lepechinia fragrans Valerie Soza, Et al. 2000-7-7 1059 Los Angeles San Gabriel Mountains, above Henninger Flats, along Mt. Wilson Road (FSR 2N45.2) 915 Comment
  UCD115649  Lepidium fremontii Steve Meyers 1988-6-29 s.n. Los Angeles Big Rock Creek wash, 2.5 mi. E of town of Pearblossom. Comment
  SBBG98629  Lepidium lasiocarpum var. lasiocarpum T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5335 Los Angeles between Box and Horse Cyns 484 Comment
  SBBG17958  Lepidium nitidum E. R. Blakley 1963-4-10 5592 Los Angeles Echo Lake, NE of Black Jack Mtn 365 Comment
  UCR101203  Lepidium pinnatifidum L. C. Wheeler 1944-9-25 5975 Los Angeles South Coastal Plain, Culver City, Jasmine Ave. & Venice Blvd. Comment
  LA204443  Lepidium virginicum A. M. Johnson; 1933-5-20 4307 Los Angeles Fish Canyon Wash, N side Foothill Boulevard, just W of bridge Comment
  UCR224021  Lepidium virginicum Steve Boyd, Rick Riefner 2007-4-27 11736 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 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
  POM132  Lepidium virginicum var. pubescens D. L. Crawford 1909-4-20 s.n. Los Angeles Claremont. Comment
  RSA629722  Lepidium virginicum var. virginicum L. C. Wheeler 1947-3-23 6460 Los Angeles San Gabriel Mountians; Kinneloa Canyon. Comment
  RSA624065  Lepidospartum squamatum L. C. Wheeler 1967-5-23 9666 Los Angeles 1.25 mile ESE Honby 457 Comment
  IRVC29642  Leptodactylon californicum A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26212 Los Angeles Castaic Valley at west foot of Castaic Mesa, Newhall Ranch Western San Gabriel Mtns. 366 Comment
  UCR140421  Leptodactylon californicum June Latting 1958-5-11 308 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Hwy between Seminole Hot Springs and Malibu Road 610 Comment
  UC147934  Leptodactylon californicum subsp. glandulosum C. F. Baker 1909-5-15 5313 Los Angeles San Antonio Canyon Comment
  SEINET3361194 Image available Leptodactylon californicum subsp. glandulosum Roxana S. Ferris 1941-5-9 10322 Los Angeles In chaparral, Pico Canyon, Santa Susana Mountains, about 2 miles W of US Hwy 89 Comment
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Oct 1 2014
  UC718525  Leptodactylon pungens Carl B. Wolf 1936-5-27 7859 Los Angeles 4 4/10 mi above Tie Camp Summit (Aliso Canyon to Buckhorn Flats Road); San Gabriel Mts., Aliso Canyon to Buckhorn Flats Road 1828 Comment
  SD44505  Leptosiphon aureus Herbert L. Mason 1926-4-26 2945 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains. Comment
  RSA0106736  Leptosiphon breviculus R. G. Swinney 2011-5-19 14767 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned Milley's Apple Orchard. 912 Comment
  RSA252930  Leptosiphon breviculus R. F. Thorne, C. W. Tilforth 1973-4-20 43031 Los Angeles San Gabriel Mts., Mojave Desert slopes: ridge N of Shoemaker Canyon, 3 mi. WNW of Mile High & c. 1.5 mi E of Big Rock Springs 1372 Comment
  SBBG20054  Leptosiphon chrysanthus subsp. chrysanthus D. Myrick 1964-3-27 803 Los Angeles St Hwy 138, ca. 20 mi W of Victorville toward Palmdale 822 Comment
  RSA756274  Leptosiphon liniflorus Michael Honer, Crissy Slaughter, Julie Love 2009-4-30 3296 Los Angeles Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  RSA0074218  Leptosiphon pygmaeus subsp. pygmaeus Louis C. Wheeler 1962-6-9 8562 Los Angeles San Clemente Island: Thirst Bench Mark. Comment
  SBBG7988  Leptosyne bigelovii H. and M. Dearing 1930-4-15 2365 Los Angeles Little Rock Cyn Comment
  CATA1909  Leptosyne gigantea Amy Catalano 2014-1-21 006 Los Angeles Santa Catalina Island: Along Airport Road, within ""tacos"", on cliff 395 Comment
  SD45617  Leptosyne gigantea Darley F. Howe 1953-3-22 2265 Los Angeles 22 miles north of Sunset Boulevard Coast north of Santa Monica Comment
  UCR179647  Lessingia filaginifolia R. G. Swinney, Dave Larson 1996-8-7 5237 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
  UC53982  Lessingia glandulifera var. glandulifera H. P. Chandler 1902-9-11 2054 Los Angeles Verdugo Canyon Comment
  RSA623877  Leymus condensatus Arthur R. Kruckeberg 1939-6-9 s.n. Los Angeles Back of nursery on hill [Occidental College Campus Survey] Comment
  SEINET11677068  Leymus condensatus J. F. Bright, Wyman, C. 1931-1 5466 Los Angeles near Pasadena Comment
  LA29005  Lilium humboldtii subsp. humboldtii Mary V. Hood; 1939-5-31 39- 74 k* Los Angeles Pueta del Canyon Comment
  POM11338  Lilium parryi I. M. Johnston 1917-8-22 1703 Los Angeles Prarie Fork of San Gabriel River, San Antonio Mountains. 2134 Comment
  RSA509587  Lilium parryi Louis C. Wheeler 1967-7-15 10013 Los Angeles San Gabriel Mountains: Angeles National Forest: SW side Mt. Waterman. 2134 Comment
  UCR155124  Linanthus androsaceus A. C. Sanders 2005-5-5 29930 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, hills at SW end of Cruzan Mesa at Bench Mark 'Plum 701 Comment
  RSA592177  Linanthus aureus L. C. Wheeler 1967-5-12 9439 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  LA33442  Linanthus californicus Henry J. Thompson; 1959-3-27 1879 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi E of peak. 670 Comment
  VVC3234  Linanthus californicus Tim Thomas 1977-5-10 99 Los Angeles Transverse Range, Santa Monica Mountains, Cold Creek Canyon Preserve 413 Comment
  SEINET14180435  Linanthus californicus G. B. Grant 1904-5-5 679 a/6189 Los Angeles Arroyo Seco Canyon, San Gabriel Mts. 610 Comment
  POM47841  Linanthus concinnus P. A. Munz 1924-5-25 s.n. Los Angeles Ridge between Lytle Creek and San Antonio Canyon 2591 Comment
  UC23496  Linanthus dianthiflorus Harley P. Chandler 1897-4-7 Los Angeles Claremont 701 Comment
  POM364705  Linanthus dianthiflorus Anstruther Davidson 1894-06 s.n. Los Angeles Glendale. Comment
  RSA73084  Linanthus dichotomus F. W. Peirson 1926-4-27 6666 Los Angeles San Gabriel Mountains. North side of San Gabriel Mountains, Rock Creek. 1296 Comment
  RSA545180  Linaria canadensis var. texana Tim S. Ross 1992-4-16 6203 Los Angeles Central part of island; 291 degrees WNW, 725 m distant from summit of 1603' peak above Stone field station, San Clemente Island 416 Comment
  RSA0022056  Liquidambar styraciflua R. G. Swinney 2009-4-13 10328 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UCD102697  Lithophragma affine Daryl Koutnik; John Cuti 1978-4-12 345 Los Angeles Northeastern Verdago Mountains near La Tuna Canyon. 609 Comment
  UC1871216  Lithophragma bolanderi T. S. Ross, W. Appleby 1993-5-20 7198 Los Angeles Transverse Ranges; San Gabriel Mountains region; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring; San Fernando 7.5' USGS quad; R15W T3N, SE/4 NE/4 NE/4 SE/4 sect 9; ca 3000-3070 ft elevation. Comment
  UCR147298  Lithophragma bolanderi Orlando Mistretta, Peter L. Morrell 1992-6-4 490 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  UCR189413  Lobelia dunnii R. G. Swinney 1998-5-30 6167 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR61569  Lobelia dunnii var. serrata R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon. Lewis Paul Falls 518 Comment
  UCR126677  Lobularia maritima A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26217 Los Angeles Western San Gabriel Mtns., Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  UCR4159  Lobularia maritima R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns. Foothills, Pasadena, Arroyo Seco, just north of Jet Propulsion Laboratory 366 Comment
  RSA649802  Lobularia maritima Matt Brooks 1988-5-12 54 Los Angeles Whittier, Skyline Dr. 0.2 miles west of its intersection [with] Turnbull Canyon Rd. Comment
  RSA441646  Loeflingia squarrosa Albert J. Perkins 1914-5-30 s.n. Los Angeles Scholl Canon, San Rafael Hills Comment
  UC909081  Loeseliastrum matthewsii Herbert L. Mason 1926-4-27 3058 Los Angeles 30 mi. w. Victorville; Mojave Desert Comment
  SBBG63199  Logfia filaginoides R. Hoffmann 1927-6-13 Los Angeles Chandler's Comment
  SBBG117136  Logfia gallica S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1535 Los Angeles Cottonwood Cyn, just S of Cottonwood-Blackjack Rd, ca. 2.6 mi inland from mouth of cyn 256 Comment
  SBBG32128  Logfia gallica R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -254 Los Angeles ridge between Sweetwater Cyn and Mt Orizaba Comment
  RSA678121  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  POM155790  Lolium temulentum M. B. Dunkle 1928-4-13 900 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  RSA226070  Lolium temulentum R. F. Thorne 1971-6-17 39949 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  RSA452079  Lomatium dasycarpum G. R. Proctor 1944-3-4 801 Los Angeles Santa Susana Pass Comment
  RSA167655  Lomatium dasycarpum subsp. dasycarpum P. H. Raven, Robert F. Thorne 1964-5-7 19022 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  UC1619327  Lomatium lucidum Timothy S. Ross, Steve Boyd 1990-5-15 2538 Los Angeles Yerba Buena Ridge, peripheral ridge N from Yerba Buena Road dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N) San Gabriel Mountains, Angeles National Forest, Tujunga Rang 914 Comment
  UCR98729  Lomatium nevadense var. parishii Steve Boyd, Lauren Raz 1997-5-1 9682 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, c. 1.5 mi west of Mt. McDill & 1.3 mi. SSE of Lincoln Crest, the head of Bouquet Canyon 1512 Comment
  RSA597995  Lomatium vaginatum Steve Boyd, Lauren Raz 1997-3-14 9167 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon., Near 34 deg 43' 55.9''N 118 deg 39' 33.8''W 1450 Comment
  CATA1146  Lonicera hispidula Mark L. Hoefs 1995-5-23 2137 Los Angeles Santa Catalina Island: Upper Middle Canyon 225 Comment
  UC1595457  Lonicera interrupta Tim Ross 1992-7-10 6639 Los Angeles 310 m e where Coldwater Canyon meets Big Tujunga Creek (just s of creek, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 963 Comment
  UCR147795  Lonicera interrupta Valerie Soza, LeRoy Gross 2000-6-13 1003 Los Angeles San Gabriel Mountains, SE-facing slope of Horse Canyon, above Horse Canyon Road (FSR 3M51), c. 1.75 mi south of Angeles Crest Hwy, within Horse Canyon Shooting Area 1768 Comment
  RSA158239  Lonicera subspicata var. denudata David P. Gregory 1961-8-10 480 Los Angeles Growing near an apple orchard in the bottom of the canyon below springs. Coldwater Canyon, sw. of Mt. San Antonio. San Gabriel Mountains. Comment
  RSA455378  Lonicera subspicata var. denudata B. C. Templeton 1930-5-27 1418 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  RSA547833  Lonicera subspicata var. denudata T. S. Ross, Peter W. Fritsch 1990-6-20 3636 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  RSA754223  Lonicera subspicata var. denudata Ellen Mackey, Blake Whittiington 2006-9-28 NFWF- 1766 Los Angeles San Gabriel River Watershed; Sycamore Canyon, bank next to riparian area on a horse trail. 120 Comment
  UC57010  Lonicera subspicata var. denudata Ernest Braunton 1902-6-11 471 Los Angeles hills near Hollywood Comment
  UCR270656  Lonicera subspicata var. denudata R. G. Swinney 2011-6-15 15171 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  RSA158293  Lotus argophyllus subsp. ornithopus P. H. Raven 1962-4-9 17149 Los Angeles San Clemente Island: on sides of small arroyo above Wilson Cove 61 Comment
  RSA526601  Lotus argophyllus var. adsurgens Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4185 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA0003343  Lotus argophyllus var. argenteus M. B. Dunkle 1939-4-5 7273 Los Angeles Pyramid Cove, San Clemente Island. Comment
  RSA582637  Lotus grandiflorus var. grandiflorus E. Loyd 1933-4-8 s.n. Los Angeles Santa Monica Mts, Temescal Canyon Comment
  UC1929740  Lotus hamatus V. Soza, LeRoy Gross 2001-5-22 1244 Los Angeles Transverse Ranges; San Gabriel Mountains region; Morgan Fire 2000 area, between Morgan and Wildwood Canyons, just below Ferguson Motorway (ca. 100 feet below). 473 Comment
  RSA589182  Lotus humistratus T. S. Ross 1991-4-28 4750 Los Angeles Adobe Mountain: southwesterly extension of the mountain. 926 Comment
  SEINET11177585  Lotus humistratus Unknown 1973-4-21 s.n. Los Angeles Vincent Comment
  POM11494  Lotus nevadensis var. davidsonii P. A. Munz 1921-6-18 4591 Los Angeles Saw Mill, Swartout Valley. 2073 Comment
  RSA0088077  Lotus procumbens R. G. Swinney 2010-5-19 12797 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  RSA148468  Lotus procumbens var. procumbens J. B. Feudge 1924-6-10 853 Los Angeles Big pines, desert slope of San Gabriel Mts. 1982 Comment
  RSA600019  Lotus procumbens var. procumbens Steve Boyd, Lauren Raz 1997-5-29 9932 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  RSA725748  Lotus salsuginosus A. C. Sanders, Mark A. Elvin 2003-5-1 26281 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
  SEINET3562930 Image available Lotus salsuginosus F. R. Fosberg 1931-4-3 4464 Los Angeles Pebble Beach Road, Santa Catalina Island 5 Comment
  UCR209937  Lotus salsuginosus R. G. Swinney 2008-7-12 9172 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  UCR280503  Lotus salsuginosus R. G. Swinney 2014-5-13 16492 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
  RSA279068  Lotus salsuginosus var. salsuginosus R. F. Thorne 1971-4-9 41534 Los Angeles Angeles National Forest; or near entrance thereto and below entrance to wooded area of San Dimas Canyon along San Dimas Creek. 381 Comment
  RSA406805  Lotus salsuginosus var. salsuginosus F. R. Fosberg 1931-4-10 S- 4556 Los Angeles Santa Catalina Island. Pacific Divide. 200 Comment
  RSA90313  Lotus salsuginosus var. salsuginosus F. W. Peirson 1925-4-23 5795 Los Angeles Forks of San Gabriel River. 534 Comment
  RSA128253  Lotus scoparius H. J. Thompson 1959-10-23 1822 Los Angeles Point Dume. 30 Comment
  RSA406840  Lotus scoparius Anstruther Davidson 1892-09 s.n. Los Angeles Redondo. Comment
  RSA498861  Lotus scoparius H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica. Comment
  RSA498865  Lotus scoparius Richard C. Barkelew 1929-4-7 15834 Los Angeles Mulholland Highlands Comment
  RSA573454  Lotus scoparius T. S. Ross 1992-6-15 6558 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  UCR280858  Lotus scoparius subsp. brevialatus R. G. Swinney 2014-4-23 16152 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  RSA498836  Lotus scoparius var. brevialatus Edwin Kline 1924-6-22 14836 Los Angeles Pallett Creek Comment
  UC1595217  Lotus strigosus Tim Ross and Peter Fritsch 1990-6-20 3660 Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  RSA307849  Lotus strigosus H. J. Ramsey 1938-3-27 2725 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA406297  Lotus strigosus F. R. Fosberg 1930-6-30 53063 Los Angeles Del Rey 3 Comment
  SBBG131552  Ludwigia peploides subsp. montevidensis S. A. Junak 1999-7-16 SCa 1040 Los Angeles Deer Valley Reservoir, E of Two Harbors 164 Comment
  RSA305984  Lunaria annua Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  SEINET10488429  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 7325 (3) Comment
  RSA639109  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA0094369  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA350050  Lupinus bicolor Robin S. Collins 1973-4-30 247 Los Angeles San Gabriel Mountains, Angeles National Forest: Trail Canyon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail 640 Comment
  RSA640249  Lupinus bicolor R. F. Thorne, C. W. Tilforth 1971-4-9 41544 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek. 381 Comment
  SFV5483  Lupinus bicolor J. H. Lane 1972-3-22 45 Los Angeles Pomona. Field at the east end of the Cal Poly campus. Comment
  RSA177718  Lupinus bicolor subsp. microphyllus R. F. Thorne, P. C. Everett 1965-5-12 34608 Los Angeles Santa Catalina Island, Bullrush Canyon 243 Comment
  SEINET10970224  Lupinus bicolor subsp. tridentatus Bakker 1947-2-2 BAKKER UMO 162300 Los Angeles Collected in soledad canyon, vasquez rocks, mojave desert. Comment
  RSA407116  Lupinus chamissonis Tom Burch, B. E. Burch 1943-7-5 s.n. Los Angeles Redondo Beach Comment
  RSA779257  Lupinus concinnus Pam De Vries 2011-5-4 7768 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
  SBBG78227  Lupinus concinnus F. R. Fosberg 1931-3-27 4413 Los Angeles Hamilton Cyn, North Wall 120 Comment
  RSA249812  Lupinus concinnus R. F. Thorne 1973-4-25 43368 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 mi S of Llano, N slope of Holcomb Ridge. 1159 Comment
  POM175385  Lupinus elatus West, Helen E. Sweet, E. Crow 1930-7-12 s.n. Los Angeles Above Pine Flats. Comment
  RSA0070147  Lupinus excubitus Daisie Huang 2006-5-18 06051801 Los Angeles Ben Overturff Trail, Monrovia Canyon Park. 484 Comment
  SBBG69074  Lupinus excubitus R. Hoffmann 1931-4-28 Los Angeles Bouquet Cyn Comment
  UCR180020  Lupinus excubitus R. G. Swinney, Dave Larson 1996-8-7 5223 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, southern third of west half of Brown's Flat 1317 Comment
  UCR190347  Lupinus excubitus R. G. Swinney 2001-4-18 7899 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  CAS-BOT-BC216663  Lupinus excubitus subsp. hallii P. A. Munz; R. D. Harwood No date on label 3727 Los Angeles Santa Ana Mountains 548 Comment
  UC1980281  Lupinus excubitus var. austromontanus Daisie Huang, Bart O'Brien 2008-4-20 08042006 Los Angeles Old Ridge Rte. Comment
  PASA491  Lupinus excubitus var. johnstonii Margaret Stason 1931-6-13 Los Angeles Buckhorn Flats, San Gabriel Mts. Comment
  RSA413636  Lupinus formosus var. formosus Gale Sphon 1955-4-16 s.n. Los Angeles Gorman; junction of highways 99 and 138. Comment
  SBBG98533  Lupinus guadalupensis T. Ross 1991-5-21 5416 Los Angeles upper reaches of Box Cyn, SW side of island; on a bench above the main wash 403 Comment
  CHSC3740  Lupinus hirsutissimus Sue Boergadine 1966-4-28 12 Los Angeles App. 8 mi NE of Newhall. 914 Comment
  SBBG133411  Lupinus hirsutissimus S. A. Junak, J. Lambert 2005-3-1 Los Angeles N of Mosquito Cove Cyn 358 Comment
  UCR260365  Lupinus latifolius subsp. parishii R. G. Swinney 2010-4-30 12446 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Canyon Debris Basin in the southernmost of the two east forks of Wilson Canyon 537 Comment
  POM171374  Lupinus latifolius subsp. parishii Marcus E. Jones 1928-5-3 s.n. Los Angeles Santa Monica Comment
  POM156357  Lupinus longifolius L. R. Abrams 1902-7-10 2505 Los Angeles Bluffs near the sea. Playa del Rey Comment
  UCD107978  Lupinus longifolius Michael Alvord; Curtis Schway 1993-4-14 23 Los Angeles Santa Monica Mtns., Topanga State Park, upper parking lot, Eatgle Rock Spring Trail, 0.1 miles N. side of trail. 600 Comment
  UCR192947  Lupinus microcarpus Dan S. Cooper 2008-3-25 s.n. Los Angeles Los Angeles Basin, 300 m north of end of Catalina Ave., Whittier 111 Comment
  RSA165741  Lupinus microcarpus var. microcarpus Wesley O. Griesel 1960-4-14 165 Los Angeles Rock Creek, Sycamore Flats Public Camp. 915 Comment
  SFV5495  Lupinus nanus W. A. Kelley Spring 1966 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  UCSB3386  Lupinus odoratus Haller, John 1957-4-13 Los Angeles Palmdale Ave., 0.7 miles S of junction with Calif. 138 and ca. 9 miles E of center of Palmdale 762 Comment
  UC1971389  Lupinus peirsonii Louis C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains Comment
  RSA670754  Lupinus sparsiflorus Joseph M. Keefe 2001-4-8 31203 Los Angeles San Rafael Mountains. North side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, CA 90042. 262 Comment
  UCR261388  Lupinus sparsiflorus R. G. Swinney 2010-2-27 11721 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  SBBG3697  Lupinus sparsiflorus H. and M. Dearing 1935-3-9 785 Los Angeles upper end of Mint Cyn Comment
  RSA708555  Lupinus succulentus Valerie L. Soza, LeRoy Gross 2001-5-9 1197 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UC865487  Lupinus succulentus F. R. Fosberg 1931-3-27 S 4414 Los Angeles Santa Catalina Island , Pebble Beach Road (Pebble Beach Road) 5 Comment
  UCR41728  Lupinus truncatus G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 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
  RSA756320  Luzula comosa R. G. Swinney 2008-9-13 9460 Los Angeles Buckhorn Canyon waterfall, 0.4 mi. north of Burkhart Trail parking lot 1893 Comment
  UCR272853  Luzula comosa R. G. Swinney 2011-7-29 15564 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  SD120699  Lycium andersonii Larry Salata, Jan Larson 1985-12-10 Los Angeles San Clemente Island: above old quarry, north side of Nots Pier Road, 0.2 miles northest of main island road 182 Comment
  RSA428832  Lycium californicum Anstruther Davidson 1891-3-29 s.n. Los Angeles Redondo Beach Comment
  UC1871308  Lycium cooperi T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5011 Los Angeles Transverse Ranges; Liebre Mountains region; Paris: ca. one mile E of Acton, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash, T5N R12W SW 1/4 NE 1/4 SW 1/4 section 31; elevation ca. 2740 ft. 835 Comment
  CDA41039  Lycium cooperi G. D. Barbe, T. C. Fuller 1973-5-21 1399 Los Angeles 4 miles (6.4 km) east of Highway138 on Highway 18; 0.5 mile (0.8 km) west of San Bernardino County line. 0 Comment
  RSA628363  Lyonothamnus floribundus subsp. aspleniifolius Steven A. Junak 1997-8-28 SCI- 959 Los Angeles San Clemente Island: E escarpment of island, above first canyon N of Knob Canyon, near UTM 11 0370950E 3634300N 250 Comment
  UC167993  Lyonothamnus floribundus subsp. floribundus Katharine Brandegee May, 1889 Los Angeles Catalina Island Comment
  SBBG38904  Lyonothamnus floribundus var. floribundus M. Van Rensselaer 1937-7-1 Los Angeles Bullrush Crk Comment
  CATA2020  Lysimachia arvensis Steven A. Junak, Mark Hoefs, Keri Kirkland 1998-4-5 537 Los Angeles Santa Catalina Island: Just E of Haypress Reservoir, on S side of main road 402 Comment
  POM263557  Madia elegans subsp. elegans J. C. Roos 1937-7-18 401 Los Angeles Mirror Lake, San Antonio Canyon. Boundary between Los Angeles and San Antonio Canyon Comment
  SFV16408  Malacothamnus davidsonii J. H. Nishida 1991-8-10 s. n. Los Angeles San Gabriel Mountains Bear Divide off of Little Tujunga Canyon. 793 Comment
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Oct 21 2019
  UCR266375  Malacothamnus davidsonii D. E. Bramlet, Allison D. Rudalevige 2009-4-27 4362 Los Angeles Transverse Range; San Gabriel Mtns., Big Tujunga Wash, along Oro Vista Ave. west of Big Tujunga Canyon Rd. 397 Comment
  RSA433296  Malacothamnus fasciculatus Blanche Trask 190 Los Angeles Avalon, Santa Catalina Island. Comment
  CAS-BOT-BC206229  Malacothamnus fasciculatus Henry J. Thompson; Peter H. Raven 1958-10-11 13752 Los Angeles Tuna Canyon road 0.5 mile from Saddle Peak Road - Santa Monica Mountains 518 Comment
  SBBG12940  Malacothamnus fasciculatus var. catalinensis E. R. Blakley 1962-10-6 5479 Los Angeles Bullrush Cyn, S of Middle Ranch 228 Comment
  RSA434854  Malacothamnus fremontii Anstruther Davidson 1920-6-1 3369 Los Angeles Acton Road. Comment
  RSA599827  Malacothamnus fremontii Steve Boyd, Lauren Raz 1997-5-6 9751 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR25181  Malacothamnus fremontii John C. Roos 1951-7-30 5072 Los Angeles San Gabriel Mtns., Big Rock Creek, north of Mt. Baden Powell 1982 Comment
  UCR68613  Malacothamnus fremontii T. S. Ross, Steve Boyd 1990-6-6 2889 Los Angeles Los Padres National Forest, Piru Pond 645 Comment
  POM6108  Malacothrix californica Bertha Almy s.n. Los Angeles Claremont. 366 Comment
  SDSU4753  Malacothrix foliosa R. M. Beauchamp 1967-3-18 266 Los Angeles Along road west of Fleet Composite Squad 3 field; San Clemente Island. Comment
  UC557744  Malacothrix foliosa Nell Murbarger May, 1936 164 Los Angeles e and n sides of island San Clemente Island Comment
  SBBG131495  Malacothrix foliosa S. A. Junak, B. Collins 1991-4-24 SCI 187 Los Angeles dune area, just N of Eel Cove Cyn, E side of dunes 42 Comment
  RSA652783  Malacothrix saxatilis var. tenuifolia Monica Acosta 1998-5-25 42 Los Angeles Parking lot J at California State Polytechnic University. (Cal Poly Pomona) 225 Comment
  SBBG18698  Malacothrix saxatilis var. tenuifolia E. R. Blakley 1963-4-9 5560 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  SD31199  Malacothrix saxatilis var. tenuifolia Edith A. Purer 1931-3-12 Los Angeles Palos Verdes Hills, along roadside. Comment
  CAS-BOT-BC167868  Malosma laurina LeRoy Abrams 1902-7-2 2639 Los Angeles Little Santa Anita Canyon Comment
  POM244931  Malosma laurina F. R. Fosberg 1931-7-10 S- 5373 Los Angeles Eagle s Nest. Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  RSA60288  Malosma laurina G. R. Campbell 1947-10-5 548 Los Angeles Hills just north of Avalon. Santa Catalina Island. 152 Comment
  UC449685  Malosma laurina I. J. Condit 1908-6-29 22 Los Angeles Catalina Island Comment
  UC483368  Malosma laurina L. R. Abrams and I. L. Wiggins 1931-7-4 338 Los Angeles Santa Catalina Isl., White's Landing Channel Isl.'s, Santa Catalina Isl., White's Landing 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
  UC218221  Malva nicaeensis P. A. Munz, I. M. Johnston 1922-5-10 5600 Los Angeles Claremont; Southern California, Claremont 365 Comment
  UCR205118  Malva parviflora R. G. Swinney 2008-4-17 8680 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  UCR213409  Malva parviflora A. C. Sanders, Dan S. Cooper 2010-3-12 37342 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UC66825  Malva parviflora N. K. Berg 1904-4-16 Los Angeles San Pedro Comment
  UCD116677  Malva parviflora Kenneth A. Wilson 1961-2-21 869 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  UCR192001  Marah horrida A. C. Sanders 2008-4-17 34922 Los Angeles Transverse Range, hills c. 2 miles SW of Neenach School, c. 1 mi. west of Pine Canyon 1037 Comment
  LA91401  Marah macrocarpa Bruce Douglas Clayton; Greg Shaw 1972-3-16 1 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus 518 Comment
  RSA0053885  Marah macrocarpa R. G. Swinney 2010-5-11 12638 Los Angeles San Gabriel Mountains: Acton 0.7 road miles SE of jct. of Soledad Canyon Rd. and Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt rd., below US Forest Service boundary. 829 Comment
  RSA0080387  Marah macrocarpa R. G. Swinney 2010-5-7 12589 Los Angeles Lake View Terrace, Oliver Canyon, 0.85 air miles north of I-210 Fwy., c. 100 meters east of cyn. bottom along private dirt service rd. 463 Comment
  UC890414  Marah macrocarpa Marcus E. Jones, A. M. 1882-2-25 3351 Los Angeles Pasadena Comment
  UCR91796  Marah macrocarpa Scott D. White 1995-2-7 2515 Los Angeles San Gabriel Mtns., Picnic area, Lopez Cyn. Rd. +-2 mi north of Foothill Boulevard 488 Comment
  CATA3261  Marah macrocarpa Julia Parish, Ben Dion 2017-1-3 003 Los Angeles Santa Catalina Island: Parson's WMU 11 Comment
  RSA440930  Marah macrocarpa Edwin Kline 1924-3-9 s.n. Los Angeles Sunset Canyon Comment
  SD52844  Marah macrocarpa var. major Peter H. Raven 1962-4-9 17160 Los Angeles San Clemente Island, arroyo above Wilson Cove Comment
  UC76187  Marrubium vulgare Pupils of Los Angeles High School under Miss E. Palmer May 1902 Los Angeles Garvanza Comment
  CDA40720  Marrubium vulgare Phillipson 1915-5-7 3 .1.A Los Angeles Monrovia. Comment
  CAS-BOT-BC422742  Meconella denticulata H. L. Mason 1927-6-14 3754 Los Angeles San Antonio Canyon, San Gabriel Mountains 914 Comment
  CAS-BOT-BC422750  Meconella denticulata W. R. Ernst 1957-4-19 160 Los Angeles About 1/4 mile south of the West Fork junction of the San Gabriel River on Highway 39. Comment
  SEINET10488169  Medicago hispida David B. Dunn 1941-2-22 Dunn 682 Los Angeles Ucla campus on westwood blvd. Comment
  SDSU5047  Medicago polymorpha R. M. Beauchamp 1967-3-18 285 Los Angeles Growing along shore of Lemon Tank. San Clemente Island. Comment
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May 16 2008
  RSA348056  Medicago polymorpha var. brevispina Robert M. Perkins 1935-4-8 s.n. Los Angeles Los Angeles. Comment
  RSA669143  Medicago sativa LeRoy Gross 2002-6-24 543 Los Angeles Along La Tuna Canyon Road 488 Comment
  SFV20826  Medicago sativa L. Gross 2002-6-24 543 Los Angeles Verdugo Mountains Along La Tuna Canyon Road. 488 Comment
  RSA0087043  Melica imperfecta R. G. Swinney 2010-8-9 13457 Los Angeles Big Santa Anita Canyon, Camp Sturtevant Heliport Trail 0 to 0.3 miles ENE of the camp and the jct. of the Mt. Zion Trail and the Sturtevant Trail. 427 Comment
  RSA724990  Melica imperfecta K. Dobry 1991-6-24 d- 731 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  UC53402  Melica imperfecta J. Burtt Davy 1896-5-20 2647 Los Angeles Leonis Valley; Eell's Comment
  UCR260336  Melica imperfecta R. G. Swinney 2010-5-4 12556 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  SEINET10605878  Melica imperfecta var. refracta Meryle B. Dunkle 1940-3-20 Dunkle 7438 Los Angeles Second canyon south, in shaded canyon bottom, Santa Barbara Island. Comment
  CATA1050  Melilotus albus Mark L. Hoefs 1995-5-10 1981 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA597505  Melilotus albus L. C. Wheeler 1961-6-12 7858 Los Angeles San Gabriel Mountains. Pacoima Canyon at Rattlesnake Canyon 915 Comment
  RSA652189  Melilotus indicus G. F. Orr 1956-3-12 s.n. Los Angeles At junction of Sepulveda Blvd. and Mulholland Dr., Sherman Oaks. 243 Comment
  UC56937  Mentzelia laevicaulis var. laevicaulis E. B. Babcock Nov 1902 Los Angeles near Pomona Comment
  CHSC98222  Mentzelia micrantha LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1042 Los Angeles Transverse Ranges; Verdugo Mountains region: south side of mountains: Brand Canyon, below the large waterfall, where the canyon forks off. Fire burned this area last year. Rocky, sandy, washed out from winter's rain canyon bottom. At check dam (man made waterfall). Growing on cliff of canyon wall.. 393 Comment
  OBI70604  Mentzelia micrantha Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9459 Los Angeles Liebre Mts Region: Upper watershed of Osito Cyn between I-5 and the Old Ridge Rte, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. T6N R17W, SE 3/4 sec 7 914 Comment
  POM96953  Mentzelia micrantha P. A. Munz 1925-4-23 9416 Los Angeles San Gabriel Canyon. 305 Comment
  RSA545323  Mentzelia micrantha Tim S. Ross 1992-5-17 6332 Los Angeles San Gabriel Mountains. Center W side of the San Gabriel Reservoir. Short easterly spur canyon along Highway 39; Recent burn area. 463 Comment
  RSA582801  Mentzelia micrantha Tim S. Ross, Steve D. Boyd 1993-5-23 7292 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
  RSA596269  Mentzelia micrantha R. G. Swinney 1989-5-10 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, N of the road, 0.6 mi. E of Glendora Mtn. Rd.; 20 Yards north of road. 412 Comment
  RSA627569  Mentzelia micrantha Sandy Leatherman, Brian Daniels 1998-7-1 28 Los Angeles San Gabriel Canyon. North of State Route 39 and east of Roberts Canyon. 305 Comment
  RSA0042494  Mentzelia veatchiana Ed Kentner 2014-3-21 362 Los Angeles Western Mojave Desert, approx. 13 km east of Pearblossom, near the corner of Largo Vista Road and Avenue X-8. 1876 Comment
  SEINET6944409  Mentzelia veatchiana W. P. Vestal, A. G. Vestal 1956-3-26 3480 Los Angeles Antelope Valley, east of Fairmont on 110th Street. Comment
  SEINET3071266  Mesembryanthemum chilense Ken Hamilton 1984-4-22 18 Los Angeles La Crescenta City Comment
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Sep 16 2014
  RSA402636  Mesembryanthemum nodiflorum B. C. Templeton 1968-2-25 11392 Los Angeles Santa Catalina Island, near the isthmus. Comment
  RSA393755  Micropus californicus var. californicus L. C. Wheeler 1934-4-17 2529 Los Angeles San Gabriel Mountains, Palmer Canyon 510 Comment
  SBBG113265  Microseris douglasii S. A. Junak 1997-3-27 SCa 357 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  LA200908  Microseris douglasii subsp. tenella Carl Wishner; 1997-3-24 2427 Los Angeles Santa Monica Mountains, Cornell, hills just E of Los Angeles County Fire Station 275.0 Comment
  RSA158319  Microseris heterocarpa P. H. Raven 1962-4-10 17206 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA0118873  Microseris sylvatica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-11 32033 Los Angeles Tehachapi Mtns. Foothills: west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings. 945 Comment
  LA51926  Mimulus aurantiacus Philip A. Munz; R. D. Harwood 1920-5-15 4010 Los Angeles Comment
  RSA638946  Mimulus aurantiacus Louis C. Wheeler 1967-5-15 9566 Los Angeles East of Fremont Pass 579 Comment
  RSA725419  Mimulus aurantiacus K. Dobry 1991-5-20 599 Los Angeles West San Gabriel Mts. along Little Tujunga Rd up to Bear Divide. Comment
  RSA772107  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-5-20 10845 Los Angeles Pechner Canyon, SE of community of Juniper Hills. 1463 Comment
  UC943854  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-10 1914 A-2 Los Angeles e Whittier (near summit of grade); Turnbull Canyon Comment
  RSA442699  Mimulus aurantiacus var. puniceus Anstruther Davidson 1891-6-26 s.n. Los Angeles Santa Catalina Island Comment
  UCR177281  Mimulus brevipes Scott D. White, Michael Honer 2003-5-7 9211 Los Angeles Liebre Mountains, Tapia Canyon, c. 2 air mi east of the Hwy 5 junction with 'Old Ridge Route 457 Comment
  UC886138  Mimulus cardinalis F. R. Fosberg 1931-5-7 S 4846 Los Angeles Cottonwood Canyon, rt. fork Santa Catalina Island 220 Comment
  JEPS26491  Mimulus cardinalis Gale Sphon 1959-6-27 376 Los Angeles w of junction with paved road Big Rock Creek Rd.; San Gabriel Mountains 2057 Comment
  SFV16490  Mimulus cardinalis P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Cottonwood Canyon near waterfall. About 0.5 miles from beach. Comment
  RSA0036819  Mimulus floribundus Justin M. Wood 2011-7-7 4337 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA596132  Mimulus floribundus Tim S. Ross, S. D. Boyd 1995-6-28 8632 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  UCR87229  Mimulus floribundus R. G. Swinney 1992-7-3 1810 Los Angeles San Gabriel Mtns, Glendora, Little Dalton Debris Basin 366 Comment
  RSA408104  Mimulus fremontii R. S. Woglum 1932-04 s.n. Los Angeles Palmdale Comment
  LA209388  Mimulus guttatus Carl Epling; M. Epling May 1925 sn Los Angeles Mint Canyon Comment
  POM50172  Mimulus guttatus A. D. E. Elmer 1902-06 3645 Los Angeles Acton, Mt. Gleason. Comment
  UCR187200  Mimulus guttatus A. C. Sanders 2006-4-18 32114 Los Angeles Tehachapi Mtns. Foothills, lower Oso Canyon, c. 1 mile north of Quail Lake 1006 Comment
  UCR209130  Mimulus guttatus R. G. Swinney 2008-6-24 9094 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  UCR272604  Mimulus guttatus R. G. Swinney 2011-6-7 15054 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  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
  JEPS4685  Mimulus johnstonii Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4183 Los Angeles junction of road to Horse Flat Public Camp and main paved road from Upper Chilao Recreation Area; San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA0056596  Mimulus johnstonii Orlando Mistretta, Christine Mistretta 2010-6-10 5298 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  UCR238630  Mimulus johnstonii Anuja Parikh, Nathan Gale 2010-6-18 3342 Los Angeles Transverse Range; San Gabriel Mountains, upper Big Tujunga Canyon, 0.9 km north of State Hwy 2 (Angeles Crest Hwy) 0.3 km west of Upper Big Tujunga Canyon Road 1240 Comment
  CAS-BOT-BC9664  Mimulus palmeri Wesley O. Griesel s.n. Los Angeles State Hwy. #2, Newcombs Ranch, San Gabriel Mts. 1828 Comment
  CDA1004  Mirabilis californica D. G. Kelch 1991-3-17 1310 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  SEINET177248  Mirabilis californica M. E. Jones 1882-2-25 3020 Los Angeles Pasadena Comment
  SEINET11941949  Mirabilis californica I. W. Clokey, Templeton, B. 1929-1 4499 Los Angeles Mandeville Canyon, Santa Monica Mts 350 Comment
  CATA2928  Mirabilis jalapa Sara L. Crockett, Michael Daligdig 1996-11-11 45 Los Angeles Santa Catalina Island: Southern California Edison Station near Pebbly Beach 6 Comment
  UCR256254  Mirabilis laevis R. G. Swinney 2010-3-22 12086 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  UCR261325  Mirabilis laevis R. G. Swinney 2010-3-13 11875 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCR273415  Mirabilis laevis R. G. Swinney 2011-3-18 14142 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  CAS-BOT-BC434630  Mirabilis laevis var. crassifolia Alice Eastwood; John Thomas Howell 1937-4-26 3952 Los Angeles Mint Canyon Comment
  LA200667  Mirabilis laevis var. crassifolia Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC1311641  Mirabilis laevis var. crassifolia Robert J. Rodin 1953-5-2 5817 Los Angeles just S of White's Cove, Catalina Island Comment
  RSA464649  Mirabilis laevis var. crassifolia Thekla Mohr s.n. Los Angeles Los Angeles. Comment
  RSA464651  Mirabilis laevis var. crassifolia Gus Gluechert 1937-5-3 s.n. Los Angeles Hills above Culver City. Comment
  RSA464655  Mirabilis laevis var. crassifolia Thomas Moore 1947-4-15 9 Los Angeles Foothills of Santa Monica Mtns. near UCLA campus. Comment
  UC212963  Mirabilis laevis var. crassifolia S. B. Parish 1918-6-5 11877 Los Angeles Playa del Ray Comment
  RSA700426  Monardella australis subsp. cinerea Gary D. Wallace 1985-7-5 2233 Los Angeles San Gabriel Mountains: Mt. Islip. Angeles National Forest. 2515 Comment
  SEINET892770  Monardella breweri subsp. lanceolata G. B. Grant 1903-1 796 -a Los Angeles Mt. Lowe. No other locality information specified Comment
  PASA1138  Monardella candicans var. exilis Stason 1930-5-18 Los Angeles Lovejoy Buttes Comment
  CAS-BOT-BC220132  Monardella exilis Ira L. Wiggins 1966-4-24 20647 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mohave [Mojave] Desert Comment
  UCR26008  Monardella exilis Kelly P. Steele, R. E. Steele 1977-5-13 55 Los Angeles Mojave Desert, along Palmdale Road, 15 mi east of Palmdale 854 Comment
  RSA0038448  Montia perfoliata Carol Haines 1964-5-23 164 Los Angeles Atmore Meadows, Old Ridge Route. 1310 Comment
  RSA150864  Muhlenbergia appressa P. H. Raven 1962-4-12 173224 Los Angeles Near foot of canyon south of canyon below the Tomb, west side of San Clemente Island 137 Comment
  CAS-BOT-BC262699  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1600 Comment
  UCR191255  Muhlenbergia californica R. G. Swinney 1999-7-28 7575 Los Angeles San Gabriel Mtns., East Fork San Gabriel River Canyon, c. 400 m north of Allison Gulch 732 Comment
  CAS-BOT-BC275282  Muhlenbergia microsperma John Thomas Howell 1928-2-9 3339 Los Angeles On trail between Sierra Madre and Santa Anita Canon, San Gabriel Mountains Comment
  CATA481  Muhlenbergia microsperma Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 623 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking mud flats, ca. 20 - 30 m upslope 42 Comment
  POM214613  Muhlenbergia microsperma Joseph A. Ewan 1932-3-5 7027 Los Angeles Mandeville Canyon 366 Comment
  RSA247434  Muhlenbergia microsperma Jack Delaini 1974-3-11 63 Los Angeles Lodi Canyon, San Dimas Experimental Forest, San Gabriel Mountains 365 Comment
  RSA747002  Muhlenbergia microsperma R. G. Swinney 2005-4-9 8210 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  SFV22073  Muhlenbergia microsperma R. G. Swinney 2009-4-3 10279 Los Angeles San Gabriel Mountains Foothills in area of Duarte and Azusa. San Gabriel Canyon wash on east side of channel, 1.2 miles north of Foothill Blvd. 183 Comment
  RSA6596  Muhlenbergia microsperma Fay A. MacFadden 1930-06 2505 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  RSA0094372  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SD254516  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains: Strawberry Potrero, uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property. 1427 Comment
  UCR223539  Muilla maritima R. G. Swinney 2009-5-27 10903 Los Angeles Transverse Range; San Gabriel Mtns., South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  CAS-BOT-BC514192  Muilla maritima G. B. Grant 1901-3-24 3645 Los Angeles Eaton Wash Comment
  CAS-BOT-BC515095  Muilla maritima Geo. B. Grant 1905-4-20 803 Los Angeles Pasadena, southern California Comment
  CAS-BOT-BC327747  Munzothamnus blairii Robert F. Thorne 1973-4-11 42834 Los Angeles San Clemente Island. Upper part of Norton Canyon 274 Comment
  RSA728998  Nama demissa Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1974 Los Angeles Fort Tejon Road. Comment
  SBBG65094  Nama demissa R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  POM156280  Nama stenocarpa L. R. Abrams 1902-6-19 2572 Los Angeles Soldier s Home Comment
  RSA726865  Nassella cernua Steve Boyd 2004-4-15 10901 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  RSA604396  Nassella lepida Sara L. Crockett, Mark Hoefs, Steven A. Junak, Janet Takara 1997-3-28 868 Los Angeles End of Cat Harbor Road, NE side of Cat Harbor. 75 Comment
  RSA0048217  Nasturtium officinale T. Fahsholtz 1965-5-16 s.n. Los Angeles 4 miles from Highway 99, off Lake Hughes Rd. 609 Comment
  RSA29726  Navarretia atractyloides L. C. Wheeler 1932-5-27 774 Los Angeles 2 miles N Claremont Comment
  UCD48331  Navarretia atractyloides Geoffrey Levin 1974-5-31 189 Los Angeles Wash (Blanchard Park), Pomona College, Claremont. 335 Comment
  SBBG121993  Navarretia fossalis A. Parikh, N. Gale 2003-6-16 761 Los Angeles central part of Cruzan Mesa, 2.7 km W of Sierra Hwy, 0.9 km SW of Vasquez Cyn Rd 655 Comment
  SBBG98502  Navarretia hamata T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5252 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 385 Comment
  RSA469840  Navarretia hamata subsp. hamata B. C. Templeton 1935-6-23 4791 Los Angeles Azusa. Comment
  UCR126549  Nemacladus longiflorus var. breviflorus Mark A. Elvin 2003-5-1 s.n. Los Angeles Santa Clarita Valley, Newhall Ranch, Castaic Mesas. c. 1 mi SW of Castaic Lagoon at the W edge of a mesa, north of Charlie Canyon 366 Comment
  RSA497250  Nemacladus sigmoideus L. C. Wheeler 1948-6-13 6643 Los Angeles Coldwater Canyon off Big Tujunga 1005 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
  RSA421316  Nemophila menziesii var. menziesii John P. Hill 1929-4-29 s.n. Los Angeles Verdugo Woodland Comment
  RSA184061  Nicolletia occidentalis I. L. Wiggins 1966-4-24 20653 Los Angeles Along Palmdale Boulevard between 90 Street E and 150 Street E, about 15 miles E of Palmdale. Mojave Desert. Comment
  CAS-BOT-BC231563  Nicotiana glauca Nancy Ryan Zabriskie; Walter Zabriskie 1971-10-30 461 Los Angeles North side of bridge, Mission St. east of Garfield Ave., So. Pasadena Comment
  SBBG30340  Nicotiana glauca R. N. Philbrick 1968-2-23 B 68 -4 Los Angeles Little Fisherman Cove Comment
  UCR216904  Nicotiana glauca R. G. Swinney 2009-3-17 10130 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, El Encanto Azusa River Wilderness Park, between Hwy 39 and the San Gabriel River 296 Comment
  UCR70895  Nicotiana quadrivalvis T. S. Ross, Steve Boyd 1990-6-6 2843 Los Angeles Green Valley Pasture, in San Francisquito Canyon 1037 Comment
  SEINET10696843  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3977 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET10696846  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3980 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  RSA552593  Nitrophila occidentalis D. Charlton 1991-5-18 5190 Los Angeles Piute Ponds, Edwards Air Force Base. Old Homestead road just east of ponds, south of Rosamond Dry Lakebed. 701 Comment
  LA94125  Notholaena californica Lawrence L. Kiefer; 1966-3-6 1650 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  UCR186970  Oenothera californica A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-28 32232 Los Angeles Tehachapi Mtns. Foothills/Mojave Desert, western end of the Antelope Valley, SW corner of intersection of Ave. 300 West and Oso Pumping Plant Rd. 915 Comment
  RSA507553  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-8 10377 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  SEINET12189793  Oenothera deltoides J. F. Bright 1935-1 1012 Los Angeles Antelope Valley Comment
  SFV21716  Olea europaea J. N. Hogue 2010-7-30 369 .2 Los Angeles Santa Monica Mountains 1 mile south of Seminole Hot Springs. At trailhead near road. 335 Comment
  RSA439565  Opuntia X occidentalis L. C. Wheeler 1931-7-13 s.n. Los Angeles 2 miles N of Claremont. 412 Comment
  SEINET10732296  Opuntia X occidentalis George Engelmann Engelmann s.n. Los Angeles Comment
  SEINET4890715 Image available Opuntia X vaseyi Joseph Marlowe Keefe 2001-1-19 30982 Los Angeles Verdugo Mountains, Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles 385 Comment
  RSA799967  Opuntia basilaris var. treleasei Pam De Vries 2013-5-26 7814 Los Angeles Tehachapi Mountains/Western Transverse Range (Groman Hills): About 4.0 air mi SE of the town of Gorman, 0.5 air mi NNE of the Quail Lake Road off ramp on the I5. Hills east of Gorman Creek, west of Gorman Post Road. 1032 Comment
  POM214690  Opuntia littoralis F. R. Fosberg 1932-7-15 8612 Los Angeles San Pedro Hills. Comment
  LA34421  Oreonana vestita W. R. Ernst; summer 1947 Los Angeles SAN GABRIEL MOUNTAINS, Mt. Hawkins, on the summits of, top of San Gabriel Canyon. 2438 Comment
  RSA458965  Oreonana vestita Robert Gustafson 1983-7-18 2782 Los Angeles San Gabriel Mountains, Angeles Crest Highway, Pine Hollow 2134 Comment
  RSA642028  Oreonana vestita Orlando Mistretta 1993-6-24 885 -A Los Angeles San Gabriel Mountains: Devils Backbone Ridge. [Near Mt Harwood] 2529 Comment
  RSA680010  Oreonana vestita LeRoy Gross, Valerie Soza 2003-6-10 1018 Los Angeles Mount Baldy Trail from Baldy Village to summit of Mount San Antonio. South of West Baldy. 2896 Comment
  UC303471  Orobanche bulbosa I. M. Johnston 1917-7-1 1430 Los Angeles Evey Canyon on Yerba Santa, San Antonio Mountains Evey Canyon; San Antonio Mountains, Evey Canyon 838 Comment
  RSA747178  Orobanche fasciculata Orlando Mistretta 1992-6-26 617 Los Angeles Glendora Saddle to Lookout Mountain. On W side of ridge. 1800 Comment
  RSA0066443  Orobanche fasciculata Anonymous 1940-2-26 609 Los Angeles Trail above flumes 2 and 3, San Dimas Experimental Forest. Angeles Forest, San Gabriel Mountains. Comment
  RSA402068  Orthocarpus purpurascens var. purpurascens Tom Burch 1940-4-21 s.n. Los Angeles Bouquet Canyon, near Saugus. 610 Comment
  POM139505  Oxalis albicans subsp. californica C. F. Baker 1903-4-22 4175 Los Angeles Monrovia. Comment
  UCR271911  Oxalis pes-caprae R. G. Swinney 2010-4-30 12474 Los Angeles San Gabriel Mts., Near Sylmar, Wilson Canyon Park, northern-most of the two east forks of Wilson Cyn., from the mouth of cyn. at Wilson Debris Basin to 0.3 miles up (east) canyon 482 Comment
  UCR86243  Oxalis pes-caprae L. C. Yoshida, H. Y. Yoshida 1995-4-15 01 Los Angeles Whittier, 2 mi. south of Puente Hills, 1 mi. south of [intersection of?] Whittier Blvd. and Colima Road 64 Comment
  UCR90739  Oxalis pes-caprae Scott D. White 1996-3-2 3814 Los Angeles Base of San Gabriel Mtns., City of Claremont, Geneva Ave., north of San Jose, south of Arrow Hwy, west of Indian Hill, east of Towne. 323 Comment
  POM145270  Oxalis pes-caprae P. A. Munz 1928-3-7 11067 Los Angeles Claremont, vacant ground north of Foothill Boulevard 366 Comment
  POM353464  Oxalis pes-caprae Charles F. Seymour 1902-3-4 s.n. Los Angeles 150 W. Pico St. Comment
  UCD111000  Oxalis pilosa P. B. Kennedy 1928-3-28 s.n. Los Angeles ridge above golf links, Avalon, Santa Catalina. Comment
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Apr 4 2014
  RSA0096800  Oxytheca parishii var. parishii R. G. Swinney 2011-9-27 15702 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
  CAS-BOT-BC413304  Oxytheca perfoliata Peter Kamb 1948-3-13 803 Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  UC1537269  Oxytheca perfoliata Gordon H. True Jr. 1936-5-28 233 Los Angeles w of Littlerock 914 Comment
  RSA640882  Oxytheca trilobata Louis C. Wheeler 1967-8-8 10364 Los Angeles San Gabriel Mountains, Angeles National Forest: East Fork of Alder Creek at Chilao Flat 1555 Comment
  RSA698758  Oxytheca trilobata LeRoy Gross, P. Morton 2004-6-10 1368 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1432 Comment
  RSA392726  Oxytheca trilobata Joseph A. Ewan, A. N. Dunn 1933-7-23 7825 Los Angeles Tujunga Creek at Alder Cr. Jct. Upper Sonoran zone. 1037 Comment
  LA200722  Paeonia californica Kei Nakai; Frank Almeda 1976-4-5 TCSP 13 76 Los Angeles Santa Monica Mountains, Topanga Canyon, Topanga Canyon State Park, Entrada Rd, ca 0.25 mi from Topanga Canyon Blvd Comment
  POM346598  Paeonia californica Barry Burnell 1971-3-18 240 Los Angeles San Dimas Canyon, 6.2 miles from the intersection of Foothill and San Dimas Canyon Rd. 480 Comment
  RSA434250  Paeonia californica Bonnie C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR178618  Paeonia californica R. G. Swinney 1989-5-12 s.n. Los Angeles San Gabriel Mtns., north of Glendora, 200 yds. south of Glendora Mtn Rd. on firebreak on west boundary of Glendora Wilderness Park, east of Colby Fire Rd. 473 Comment
  RSA307851  Paeonia californica Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2723 Los Angeles North Craig Ave., Altadena Comment
  CAS-BOT-BC253672  Panicum capillare F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottoms, near Los Angeles Comment
  CDA262  Parapholis incurva Katherine Brandegee May 1889 Los Angeles Catalina Island. 0 Comment
  SD167330  Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch, near mouth of Potrero Canyon. 259 Comment
  RSA730756  Parietaria judaica R. E. Riefner 2006-7-29 6 -332 Los Angeles San Pedro, Sam Pedro Bay, Adams Drive at Miner St. 9 Comment
  CATA1507  Paspalum dilatatum Mark L. Hoefs, Steven A. Junak 1996-7-9 2720 Los Angeles Santa Catalina Island: By Middle Ranch Reservoir, Middle Canyon 201 Comment
  RSA601137  Paspalum dilatatum L. C. Wheeler 1946-6-23 6216 Los Angeles Alhambra. 16 North Abramson St. Comment
  POM364358  Paspalum distichum Anstruther Davidson 1889-06 s.n. Los Angeles Los Angeles. Comment
  CATA1946  Pectocarya linearis subsp. ferocula Reid Moran 1941-3-11 698 Los Angeles Santa Catalina Island: Ridge N of Middle Ranch 274 Comment
  POM368748  Pectocarya linearis subsp. ferocula M. B. Dunkle 1939-4-6 7318 Los Angeles Mosquito Ridge, San Clemente Island Comment
  POM368760  Pectocarya linearis subsp. ferocula Anonymous 1921-4-3 s.n. Los Angeles Santa Monica Mountains Comment
  RSA594957  Pectocarya setosa T. S. Ross 1995-4-26 8392 Los Angeles Head of Liebre Gulch drainage along Forest Service Road 8N05, between Sandberg and Bald Mountain; ca 1740 feet W of Sandberg BM (4164 ft) 1204 Comment
  RSA747346  Pectocarya setosa R. G. Swinney 2008-5-8 8789 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  RSA654215  Pedicularis semibarbata Valerie L. Soza, LeRoy Gross 2000-5-23 953 Los Angeles East of Kelly Camp, W of Bighorn Peak, 0.7 miles from Icehouse Saddle along Ontario Peak Trail. 2378 Comment
  RSA332050  Pedicularis semibarbata Wayne E. Sawyer 1981-6-16 51 Los Angeles L. A. National Forest; Trail to Lily Spring, 0.15 mi. S of Lily Spring. Dry shady slope. 2530 Comment
  RSA648904  Pelargonium quercifolium A. E. Hersh 1950-6-28 s.n. Los Angeles Garden 4111 Wade St., Venice. 30 Comment
  RSA686740  Pellaea andromedifolia M. V. Hood 1945-5-1 2240 Los Angeles Tapia Park area 762 Comment
  CHSC99687  Pennisetum setaceum LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 284 Los Angeles Verdugo Mountains: Chandler Fire Road, above locked gate at corners of Olivia Terrace and Edmore Street, Sun Valley. Growing next to a concrete gutter. 365 Comment
  RSA226977  Penstemon caesius Robert F. Thorne 1971-8-25 41251 Los Angeles San Gabriel Mountains, Angeles National Forest: Summit of Throop Peak 2784 Comment
  RSA0097147  Penstemon centranthifolius R. G. Swinney 2011-5-31 14911 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1096 Comment
  RSA4561  Penstemon centranthifolius B. Thoele, L. Thoele 1932-05 s.n. Los Angeles Malibu Lake, Santa Monica Mtns. Comment
  RSA774266  Penstemon centranthifolius R. G. Swinney 2009-6-8 11087 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  NY583809  Penstemon centranthifolius F. W. Pennell 1940-4-19 25142 Los Angeles Route 99; about 2 miles south of Castaic 396.2 Comment
  RSA650287  Penstemon centranthifolius Claude M. Finnell 1948-5-3 s.n. Los Angeles Found in [Angeles] National Forest on side of road. 5 miles from north boundary of Angeles Forest on Highway. 762 Comment
  SDSU10929  Penstemon centranthifolius Lorenzo Cook 1931-5-9 Los Angeles Tapanga Canyon. Comment
  POM21350  Penstemon grinnellii subsp. grinnellii Fordyce Griffiths Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  RSA586479  Penstemon grinnellii subsp. grinnellii Orlando Mistretta 1995-6-20 1819 Los Angeles Bare Mountain Canyon. 1829 Comment
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Nov 26 2007
  PASA1030  Penstemon spectabilis Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  POM308414  Penstemon spectabilis subsp. subviscosus Henry J. Ramsey, Henry J. Ramsey 1937-5-27 3106 Los Angeles Altadena, North Craig Ave. Comment
  RSA0060328  Pentagramma triangularis Anonymous 2 Los Angeles San Antonio Canyon. Comment
  SBBG76921  Pentagramma triangularis subsp. viscosa W. A. Wright 1931-2-19 Los Angeles Bannings Cyn, 0.5 mi from sea Comment
  CAS-BOT-BC217831  Perideridia pringlei W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1645 Comment
  OBI34890  Peritoma arborea David J. Keil 1983-8-23 17865 Los Angeles Just W of Leo Carillo State beach along hwy 1 ca. 1 mi E of Ventura County line Comment
  LA94325  Peritoma arborea M. Zartlin; 1951-4-8 sn Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA340636  Perityle emoryi F. R. Fosberg 1973-11-15 55244 Los Angeles San Clemente Island, Seal Cove, common along SW coast Comment
  RSA445156  Petalonyx thurberi subsp. thurberi W. Hutchinson 1923-5-1 s.n. Los Angeles Mint Canyon. Comment
  UCR259350  Phacelia R. G. Swinney 2010-8-26 13593 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
  RSA0047907  Phacelia brachyloba R. G. Swinney 2010-6-4 13061 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UC57023  Phacelia brachyloba H. M. Hall 1902-5-2 3092 Los Angeles San Francisquito Pass 457 Comment
  RSA428273A  Phacelia cicutaria Anstruther Davidson 1887-08 1987 Los Angeles Laurel Canyon, Hollywood. Comment
  POM123377  Phacelia cicutaria var. hispida Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  RSA226211  Phacelia cicutaria var. hispida Gary D. Cromwell 1971-4-21 526 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora 488 Comment
  RSA427661  Phacelia cicutaria var. hispida Anstruther Davidson 1892-5-3 s.n. Los Angeles Pasadena. Comment
  RSA427636  Phacelia cicutaria var. hispida H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica Mtn, foothills Comment
  RSA547802  Phacelia cicutaria var. hispida Tim S. Ross, Peter Fritsch 1990-6-20 3600 Los Angeles San Gabriel Mountains: Burro Canyon near the confluence of the E and W forks of the San Gabriel River; elevation ranging from stream bottom to slopes. 445 Comment
  SD231329  Phacelia cryptantha Sula Vanderplank, LeRoy Gross & Steve Hoskinson. 2005-5-6 50506 5 Los Angeles Transverse Ranges; San Gabriel Mountains region; Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  POM127072  Phacelia davidsonii George B. Grant 1902-06 957 Los Angeles Summit of Mt. Wilson. 1829 Comment
  RSA628712  Phacelia davidsonii R. S. Woglum 1942-5-20 3328 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. Comment
  SBBG126996  Phacelia davidsonii A. Parikh, N. Gale 2011-6-27 3511 Los Angeles upper Big Tujunga Cyn, 0.1 km W of Shortcut Station, 0.5 km N of St Hwy 2; San Gabriel Mtns 1277 Comment
  SD255770  Phacelia davidsonii R. G. Swinney 2011-6-22 15240 Los Angeles San Gabriel Mountains; Dvils Peak, SE of Doe Spring on ridge SE of Mt. Mooney, west of Devils Cyn., 0.4 mile east of Angeles Crest Highway. 1780 Comment
  UCR272572  Phacelia davidsonii R. G. Swinney 2011-6-7 15070 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  IRVC26444  Phacelia distans A. C. Sanders, Mark Elvin 2003-3-5 25732 Los Angeles Newhall Ranch, "Exon Mesa," due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  RSA660114  Phacelia distans Orlando Mistretta 1992-6-12 556 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR223367  Phacelia distans R. G. Swinney 2009-5-20 10825 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  RSA503490  Phacelia egena Robert F. Thorne 1969-7-9 38506 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station. 2134 Comment
  UCR219909  Phacelia grandiflora R. G. Swinney, Jane Strong 2009-4-21 10415 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  SD72755  Phacelia hispida F. R. Fosberg 1931-5-4 S 4760 Los Angeles Bullrush Canyon, Santa Catalina Island. 20 Comment
  RSA0080785  Phacelia hubbyi R. G. Swinney 2010-5-7 12576 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  SEINET3246003  Phacelia imbricata R. G. Swinney 2009-1 10834 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
  RSA0021966  Phacelia longipes Duncan S. Bell, Caitlin Elam 2013-6-24 5278 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA599686  Phacelia longipes Steve Boyd, Lauren Raz 1997-4-30 9596 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UC1174720  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UCR273249  Phacelia minor R. G. Swinney 2011-5-6 14620 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  RSA428077  Phacelia minor L. E. Hoffman 1981-5-18 s.n. Los Angeles Big Santa Anita Canyon Comment
  JEPS78788  Phacelia mohavensis L. R. Heckard with Michael Morris 1976-6-13 4266 Los Angeles along forest service rd 3N17 at entrance to Hidden Valley Scout Camp (just n of Bandito Campground, 2 mi w of Route 2); San Gabriel Mts. Comment
  SD237475  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles San Gabriel Mountains: Waterman Mountain (Waterman Mountain 7.5'Q) 2412 Comment
  UC535043  Phacelia mohavensis Victor Duran 1933-7-11 3512 Los Angeles Sulphur Springs San Gabriel Mts. Comment
  NY83883  Phacelia polysperma L. Abrams 1908-7-2 560 Los Angeles Rock Creek, desert slope of the San Gabriel Mountains 1158.2 Comment
  CAS-BOT-BC154386  Phacelia ramosissima Julia A. Beltys 1929-5-20 s.n. Los Angeles Manhattan Beach Comment
  UCR179681  Phacelia ramosissima R. G. Swinney, Dave Larson 1996-8-7 5241 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
  CAS-BOT-BC144946  Phacelia ramosissima var. austrolitoralis LeRoy Abrams 1902-6-9 2497 Los Angeles Playa del Rey Comment
  RSA427665  Phacelia ramosissima var. latifolia Bonnie C. Templeton 1939-5-29 s.n. Los Angeles Mint Canyon above Sleepy Valley. Comment
  RSA426117  Phacelia stellaris Grethe Moskedahl 1923-3-19 s.n. Los Angeles Downie [Downey] Cemetery. Comment
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Dec 23 2014
  UCSC003067  Phacelia tanacetifolia Peter Kamb 1948-7-13 1208 Los Angeles on south side of canyon - San Gabriel Mountains, Big Tujunga canyon at Wildwood 549 Comment
  SEINET4044560  Phacelia viscida D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  LA206690  Phalaris lemmonii Frank W. Gould; 1944-4-12 2281 Los Angeles near corner of Western Ave. and 131st Street Comment
  UCR56171  Philadelphus lewisii J. A. Adams 1963-5-9 19 Los Angeles San Gabriel Mtns., Little Dalton Canyon 366 Comment
  UCR97425  Phleum pratense R. G. Swinney 1995-9-4 4500 Los Angeles San Gabriel Mtns., meadow at Big Pines, west of Wrightwood, SW of Hwy 2 2061 Comment
  RSA355598  Phoenix canariensis Robert Gustafson 1981-7-15 2337 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA187971  Pholistoma auritum Robert F. Thorne 1966-4-5 35827 Los Angeles Santa Catalina Island, Cape Canyon. 274 Comment
  UCR144757  Pholistoma auritum Scott D. White 2003-5-20 9318 Los Angeles Northern Chino Hills, Diamond Bar.; hills and canyons within gated community called 'The Country,' east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon 335 Comment
  CAS-BOT-BC222560  Pholistoma auritum var. auritum Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  RSA730070  Pholistoma auritum var. auritum R. G. Swinney, D. W. Larson 1999-5-15 7139 Los Angeles San Gabriel Mtns.: Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest. 549 Comment
  LA86168  Pholistoma racemosum Karen Bartholemew; 1966-3-25 15 Los Angeles Santa Monica Mountains, Little Sycamore Canyon, 3.3 mi from US Hwy 101 on Little Sycamore Canyon Rd 365 Comment
  CAS-BOT-BC134965  Phoradendron bolleanum Thompson 1919-12-1 s.n. Los Angeles Nobles Ranch, Valyermo Comment
  UCR98832  Phoradendron densum T. S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3388 Los Angeles San Gabriel Mtns., Little Rock Creek, Joshua Tree Campground on the SW side of Little Rock Reservoir 1003 Comment
  UC306118  Phoradendron libocedri I. M. Johnston 1917-8-23 1718 Los Angeles San Antonio Mts., Prairie Fork of San Gabriel R. 1432 Comment
  RSA585447  Phoradendron macrophyllum Tim S. Ross 1990-5-29 2675 Los Angeles Valyermo: at Valyermo Ranger District Office Angeles National Forest. 1134 Comment
  RSA0017048  Phoradendron villosum Peter J. Estournes 1981-5-10 s.n. Los Angeles Mount Baldy, southern side. 1677 Comment
  POM3999  Phyla lanceolata L. R. Abrams 1901-6-11 1749 Los Angeles New River near Long Beach. Comment
  CAS-BOT-BC452036  Phyllospadix torreyi C. Epling 1933-7-1 s.n. Los Angeles Palos Verdes Comment
  RSA0030776  Physalis lancifolia Louis C. Wheeler 1931-7-21 394 Los Angeles 2 mi. N Claremont. 412 Comment
  RSA729308  Pinus monophylla R. G. Swinney 1998-7-2 6223 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  CDA2305  Piptatherum miliaceum T. S. Ross, Peter Fritsch 1990-6-2 3595 Los Angeles San Gabriel Mountains; Mouth of Burro Canyon near the confluence of the E and W forks of the San Gabriel River Comment
  RSA495101  Piptatherum miliaceum A. C. Sanders 1988-5-18 7839 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and E of Vista Del Mar Blvd. Comment
  UCD89891  Piptatherum miliaceum Peter H. Raven 1957-9-21 11366 Los Angeles Topanga Canyon 2.3 miles above United States Highway 101 alternative, Santa Monica Mountains. Comment
  UCR1279  Pityrogramma triangularis F. C. Boutin 1960-5-4 s.n. Los Angeles San Gabriel Mtns., East side of the lake in San Dimas Canyon 457 Comment
  CAS-BOT-BC71787  Pityrogramma triangularis var. viscosa Carl B. Wolf 1932-5-10 3515 Los Angeles Santa Catalina Island, Avalon Canyon, above the last almond orchard 121 Comment
  SEINET1869735  Plagiobothrys arizonicus A. C. Sanders 2003-1 26091 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, east of the filtrations plant and Lake Hughes Rd., north of Charlie Canyon. 427 Comment
  SEINET3860017  Plagiobothrys arizonicus R. G. Swinney 2009-4-24 10450 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  UCR222730  Plagiobothrys arizonicus R. G. Swinney 2009-5-12 10731 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  UCR152885  Plagiobothrys canescens A. C. Sanders, Helen Kennedy 2005-4-13 29443 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  POM9289  Plagiobothrys canescens P. A. Munz 1920-2-13 3296 Los Angeles San Jose Hill, 2.5 miles west of Pomona. 305 Comment
  POM246421  Plantago erecta F. R. Fosberg 1931-3-20 S- 4317 Los Angeles Santa Catalina Island. Hamilton Canyon near Avalon. 2 Comment
  UC76646  Plantago erecta unknown May 1903 Los Angeles Los Angeles Comment
  POM96026  Plantago erecta P. A. Munz 1926-4-4 10019 Los Angeles 2 miles north of Saugus. Comment
  RSA401952B  Plantago lanceolata Edith Allen 1939-7-26 s.n. Los Angeles Playa Del Rey Comment
  RSA762500  Plantago major R. G. Swinney 2008-11-29 9851 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR91303  Plantago major B. G. Pitzer, Paul Gomez 1996-4-28 2800 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  SD90378  Plantago ovata Robert F. Thorne 1966-4-16 36037 Los Angeles San Clemente Island, 2/3 mile southsoutheast of Eel Point and north of Seal Cove, southwest side of island. 29 Comment
  UCR274100  Plantago ovata Steven A. Junak, Mark Hoefs, Keri Kirkland, Lisa Stratton 1998-5-2 SCa- 627 Los Angeles California Islands, Santa Catalina Island, just south of road to East Peak, along ridgetop southwest of Peak 1245, c. 0.85 air miles northwest of East Peak 348 Comment
  RSA781249  Platanus racemosa A. C. Sanders, Dan S. Cooper 2010-3-12 37386 Los Angeles South Coast: Madrona Marsh, Torrance. 24 Comment
  POM148422  Platystemon californicus C. F. Baker 1904-5-2 7731 Los Angeles Hills near Claremont Comment
  SBBG123196  Plecostachys serpyllifolia R. Riefner 2009-6-9 09 -113 Los Angeles ca. 0.2 mi W of La Piedra State Beach; Malibu 6 Comment
  CDA34951  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -118 Los Angeles Malibu; vicinity of La Piedra State Beach. Comment
  SBBG69562  Plectritis ciliosa subsp. insignis R. Hoffmann 1925-4-19 Los Angeles Bouquet Cyn Comment
  RSA0051677  Plectritis eichleriana Lee Haines 1954-4-20 s.n. Los Angeles Simi HIlls. 609 Comment
  RSA489844  Poa pratensis D. Charlton 1986-6-15 290 Los Angeles Buckhorn Campground, San Gabriel Mountains. Creek along Buckhard trail 2134 Comment
  UCD91973  Poa pratensis subsp. pratensis Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains. On north side of Blue Ridge by Guffy camp. Comment
  RSA730170  Poa secunda R. G. Swinney 1998-7-2 6224 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA732935  Poa secunda R. G. Swinney 1998-7-8 6333 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  SD187321  Poa secunda Scott D. White, Pam Devries 2006-5-9 11395 Los Angeles Gorman area, valley and slopes along Gorman Creek, northeast of I-15 and southwest of Gorman Post Road. 1006 Comment
  OBI25691  Poa secunda subsp. secunda David J. Keil, Dirk Walters 1977-4-30 12294 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
  UC1313044  Polycarpon tetraphyllum June McCaskill 1965-6-6 700 Los Angeles Pasadena; McCaskill Gardens, 25 South Michillinda Avenue Comment
  RSA460146  Polygala cornuta var. fishiae L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
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Apr 30 2011
  RSA606308  Polygala cornuta var. fishiae Jon E. Keeley 1993-6-24 22827 Los Angeles Glen behind greenhouse at Soka University off La Virgenes Rd. 300 Comment
  RSA579561A  Polygonum aviculare subsp. neglectum Tim S. Ross, S. D. Boyd 1994-9-20 8255 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  RSA466340  Polygonum lapathifolium F. A. Warf 1934-8-14 12533 Los Angeles Culver City. Comment
  CAS-BOT-BC71887  Polypodium californicum M. B. Dunkle 1939-4-4 7248 Los Angeles Chenetti Canyon, San Clemente Island Comment
  CAS-BOT-BC71910  Polypodium californicum Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon (near Monrovia) Comment
  SFV14643  Polypodium californicum S. Jonsson 1989-4-19 s. n. Los Angeles Santa Susana Mountains In Bee Canyon of O'Melveny Park. Off of the creek trail, 1.75 miles past Ranger Station. 460 Comment
  UCR208029  Polypodium californicum F. R. Fosberg 1931-3-24 R- 80 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  SBBG132076  Polypodium californicum S. A. Junak, B. Collins 1991-4-25 SCI 215 Los Angeles Middle Ranch Cyn, just downstream from cement dam 463 Comment
  UCSB62464  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone Canon, San Dimas Comment
  CATA1173  Polypogon interruptus Mark L. Hoefs 1995-5-30 2168 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UCR187241  Polypogon interruptus A. C. Sanders 2006-5-16 32330 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon just above the National Cement Plant Rd., 0-0.25 mi. upstream, 1.5 miles NNE of Quail Lake 991 Comment
  CATA1261  Polypogon monspeliensis Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2346 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  CHSC99452  Polypogon monspeliensis LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1111 Los Angeles Transverse Ranges: Verdugo Mountains region: North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge. Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. Canyon bottom. At concrete tunnel at north end of the 210 freeway. 457 Comment
  SBBG59504  Polypogon monspeliensis M. N. Ackley -Jun-1927 12 Los Angeles Sycamore Park 228 Comment
  RSA155328  Polypogon viridis P. H. Raven 1962-5-22 17844 Los Angeles Santa Catalina Island: Middle Ranch 213 Comment
  CAS-BOT-BC410012  Populus X parryi Herman Knoche 1919-6-28 952 Los Angeles Middle Ranch, Santa Catalina Island Comment
  UCR259245  Populus nigra R. G. Swinney 2010-6-4 13002 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
  CATA1973  Populus trichocarpa F. R. Fosberg 1931-4-28 4704 Los Angeles Santa Catalina Island: Eagle's Nest, Middle Ranch Canyon 180 Comment
  SD252229  Potamogeton Steven A. Junak 1999-7-17 Sca 1064 Los Angeles Santa Catalina Island. NW side of Patrick Reservoir. 410 Comment
  RSA0081785  Potamogeton amplifolius R. G. Swinney 2010-9-7 13707 Los Angeles Crystal Lake, within 50 ft. of shore line around the entire perimeter. 1683 Comment
  CAS-BOT-BC452112  Potamogeton crispus A. J. McClatchie 1896-1-20 s.n. Los Angeles Arroyo Seco Comment
  RSA487036  Potamogeton illinoensis Fred Brooks, Walter Wisura 1988-9-7 4263 Los Angeles Crystal Lake. San Gabriel Mountains. Comment
  UCR192928  Potentilla glandulosa Dan S. Cooper 2008-4-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., West side of Mt. Hollywood, Griffith Park, Los Angeles 365 Comment
  CAS-BOT-BC143343  Potentilla multijuga Dr. H. E. Hasse 1890-8-1 s.n. Los Angeles Flats near Ballona Comment
  RSA0005674  Potentilla peirsonii F. W. Peirson 1919-6-16 493 Los Angeles S Fork of Rock Creek, San Gabriel Mts. 1982 Comment
  CAS-BOT-BC154935  Prunus ilicifolia Grant 1900-4-11 s.n. Los Angeles Mt. Lowe Comment
  RSA0016989  Prunus ilicifolia subsp. ilicifolia Marion P. Harthill 1972-4-8 s.n. Los Angeles Coldbrook, Ran. [Coldbrook Ranger] Station. 1067 Comment
  SEINET10871337  Prunus ilicifolia subsp. lyonii Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4799 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  RSA187962  Prunus lyonii Robert F. Thorne 1966-9-16 36719 Los Angeles Santa Catalina Island. Near terminus of Renton Mine Rd.; upper end of Pebbly Beach Canyon 274 Comment
  JEPS20529  Pseudognaphalium beneolens Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  CATA3517  Pseudognaphalium biolettii Julia Parish 2017-12-31 050 Los Angeles Santa Catalina Island: Pacific side; Grand Canyon watershed; ridge south of Upper Coffeepot Road before it turns down to Coffeepot Canyon 461 Comment
  RSA0115742  Pseudognaphalium biolettii Steven A. Junak 1999-5-22 SCa- 1003 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  RSA594989  Pseudognaphalium biolettii Mark Hoefs 1992-3-31 1703 Los Angeles Santa Catalina Island. Side canyon of Middle Canyon, across the road from large oak tree. 238 Comment
  JEPS20492  Pseudognaphalium californicum Frank W. Peirson 1918-6-28 235 Los Angeles foothills e of Rubio Canon; San Gabriel Mountains 609 Comment
  SBBG131718  Pseudognaphalium californicum S. A. Junak 1999-5-22 SCa 1004 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  UCR261321  Pseudognaphalium californicum R. G. Swinney 2010-3-13 11883 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  UCD135058  Pseudognaphalium californicum Beth Greenhalgh 1993-4-14 33 Los Angeles Santa Monica Mtns., Kanan Cyn., Malibu, 50 yards down trail starting 100 feet north of South tunnel on Kanan Road. 457 Comment
  CATA1396  Pseudognaphalium luteoalbum Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2537 Los Angeles Santa Catalina Island: Echo Lake 438 Comment
  CATA3119  Pseudognaphalium microcephalum Amy Catalano 2016-5-24 124 Los Angeles Santa Catalina Island: Down canyon from Cape Canyon corrals, near ENL mitigation site 174 Comment
  CAS-BOT-BC357284  Pseudognaphalium microcephalum D. L. Crawford 1915-8-14 s.n. Los Angeles Mts. above Claremont, Palmer Canyon Comment
  CAS-BOT-BC357637  Pseudognaphalium stramineum Carl B. Wolf 1932-5-10 3517 Los Angeles Santa Catalina Island. Avalon Canyon, above the last almond orchard 121 Comment
  JEPS22872  Pseudognaphalium thermale Rimo Bacigalupi with Reino Alava 1958-7-21 6448 Los Angeles Chilao Flat San Gabriel Mts., Angeles National Forest 1615 Comment
  UCR38983  Pseudotsuga macrocarpa David J. Keil 1980-3-28 13740 Los Angeles San Gabriel Mtns., Lower Shake campground near Lake Hughes 1311 Comment
  LA4202  Pteridium aquilinum var. pubescens J. A. Ewan; 1929-11-11 3445 Los Angeles SANTA MONICA MOUNTAINS, Nichols Canyon Comment
  UC450860  Pteridium aquilinum var. pubescens Fay A. MacFadden 1931-4-10 2606 Los Angeles near dam Tejunga Canyon Comment
  RSA0080737  Pterostegia drymarioides R. G. Swinney 2010-4-23 12366 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA578813  Pterostegia drymarioides Tim S. Ross, Darin Banks 1994-4-13 7545 Los Angeles Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir. 916 Comment
  UCR124364  Pterostegia drymarioides I. W. Clokey, B. C. Templeton 1929-1 4523 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA736332  Punica granatum Scott D. White, Justin M. Wood 2008-5-19 12014 Los Angeles Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor. 67 Comment
  CAS-BOT-BC158660  Purshia tridentata var. glandulosa Clare B. Hardham 1959-6-16 4874 Los Angeles Dry wash near Pear Blossom Comment
  RSA590066  Purshia tridentata var. glandulosa Orlando Mistretta 1994-3-30 988 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1159 Comment
  UC909734  Purshia tridentata var. glandulosa Norman C. Cooper 1948-4-21 2669 Los Angeles Littlerock 762 Comment
  UCSC000949  Purshia tridentata var. glandulosa Peter Kamb 1948-5-6 978 Los Angeles desert foothills of the San Gabriel Mts. above Little Rock San Gabriel Mts.; Little Rock 975 Comment
  RSA0080561  Pyrola dentata F. R. Fosberg 1931-8-12 s 5668 Los Angeles Mt. Islip, near summit. 2440 Comment
  CAS-BOT-BC45790  Quercus George B. Grant; Walter Wheeler 1904-4-21 3560 Los Angeles Avalon, Santa Catalina Island Pacific Ocean of Southern California Comment
  SBBG32147  Quercus X macdonaldii R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -209 Los Angeles upper-middle Bullrush Cyn, Salta Verde Comment
  RSA476857  Quercus agrifolia G. R. Johnstone 1931-10-24 14030 Los Angeles Brown Canyon. Comment
  RSA527722  Quercus agrifolia var. agrifolia Tim S. Ross, Annette Ross 1991-3-7 4153 Los Angeles Elephant Hill, western Pomona. 230 Comment
  RSA29910  Quercus berberidifolia Louis C. Wheeler 1931-10-11 252 Los Angeles Thompson Wash 3 miles NE La Verne 404 Comment
  RSA586665  Quercus berberidifolia Orlando Mistretta 1995-6-1 1761 Los Angeles San Gabriel Mtns, Carr Canyon. 1037 Comment
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Aug 12 2015
  RSA653362  Quercus berberidifolia LeRoy Gross 2000-10-28 302 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  RSA78902  Quercus berberidifolia E. K. Balls, P. C. Everett 1952-10-3 18005 Los Angeles 7.7 miles N of junction of Hwy 2, 1 mile from Hidden Springs 457 Comment
  SD90238  Quercus berberidifolia Benjamin C. Stone Nov 1953 502 A Los Angeles San Gabriel Mountains, hills north of Monrovia 1006 Comment
  SFV7100  Quercus berberidifolia K. A. Wilson 1974-8-21 1451 Los Angeles Santa Monica Mountains Mulholland Highway, 1 mile west of Simes Lane. Cornell School Road, Seminole Hot Springs. 260 Comment
  CAS-BOT-BC62567  Quercus chrysolepis Timothy S. Ross; Steve Boyd 1994-9-21 8298 Los Angeles Liebre Mountain: vicinity of West Summit. Liebre Mountain. 7.5' USGS Quadrangle 1690 Comment
  POM2098  Quercus chrysolepis D. L. Crawford 1916-3-1 s.n. Los Angeles mts. above Claremont 1220 Comment
  RSA476889  Quercus chrysolepis L. E. Hoffman 1931-5-11 s.n. Los Angeles Millard's Canyon, Angeles Nat'l Forest. Comment
  RSA571670  Quercus chrysolepis Louis C. Wheeler 1932-4-16 629 Los Angeles W fork Santa Anita Canyon 915 Comment
  RSA598649  Quercus chrysolepis M. R. Benedict 1971-6-26 s.n. Los Angeles San Clement Island. Peak 1942, directly south of White Rock, and near triangulation point ' Alta' Comment
  RSA642688  Quercus chrysolepis Orlando Mistretta 1992-7-14 706 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR259392  Quercus chrysolepis R. G. Swinney 2010-8-30 13628 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  CAS-BOT-BC86356  Quercus dumosa Ernest Braunton 1902-8-1 640 Los Angeles Griffith Park Comment
  SBBG53924  Quercus durata var. durata K. R. Montgomery, T. W. Strid 1973-4-14 73 Los Angeles Dillon Divide, site of LASCA Cistus field plot Comment
  RSA598817  Quercus durata var. gabrielensis R. G. Swinney 1967-8-14 202 Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon 457 Comment
  RSA653371  Quercus durata var. gabrielensis LeRoy Gross 2000-10-28 308 Los Angeles Verdugo Mountains: Beaudry fire road north of Radio Towers, west of head of Deer Creek 762 Comment
  RSA708549  Quercus durata var. gabrielensis Valerie L. Soza, LeRoy Gross 2001-5-9 1194 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 274 Comment
  UCR230263  Quercus durata var. gabrielensis Dan S. Cooper 2011-3-11 311- 18 Los Angeles Occidental College property, just west of Townsend Ave. 229 Comment
  CAS-BOT-BC94169  Quercus engelmannii W. R. Dudley 1907-12-1 s.n. Los Angeles Near San Atorium, Monrovia Comment
  CATA1958  Quercus engelmannii Ralph N. Philbrick, Robert F. Thorne 1967-5-18 220 Los Angeles Santa Catalina Island: Lower-middle Bulrush Canyon, Salta Verde 0 Comment
  OBI14201  Quercus engelmannii H. A. Wheeler 1931-11-1 s.n. Los Angeles 1 mi E Liveoak Cyn, San Gabriel Mts 671 Comment
  POM295270  Quercus engelmannii Lyman Benson 1949-10-20 14272 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  RSA733149  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 186 Los Angeles Monrovia, Hidden Valley Canyon. 525 N. Alta Vista, Monrovia. 277 Comment
  RSA733151  Quercus engelmannii Susan Grose, L. Braccio, L. Gross 2007-11-11 188 Los Angeles Pasadena, Oak Grove Park. 299 Comment
  SFV21072  Quercus engelmannii L. Gross 2001-3-23 344 Los Angeles Verdugo Mountains North side of mountains on Whiting Woods Mountainway, dirt road at end of Whiting Woods Road, in Verdugo City. Road starts at Henderson Canyon and climbs to the main crest. 488 Comment
  UC1602282  Quercus engelmannii W. H. Brewer Jan 1861 114 Los Angeles San Gabriel Comment
  UCR95220  Quercus engelmannii L. C. Wheeler 1945-9-20 6154 Los Angeles San Gabriel Mtns., Kinneloa ('Sycamore') Canyon, near base of mountains 366 Comment
  UCSB34880  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles 5 miles north of Oak Flats Fire Station at upper end of Piru Gorge, West side of U.S. Hwy. 99; Tehachapi Mts., approx. 15 miles north of Castaic 701 Comment
  POM11588  Quercus kelloggii P. A. Munz 1921-6-17 4663 Los Angeles San Antonio Mountains, Swartout [Swarthout] Valley. 1829 Comment
  LA46636  Quercus pacifica Joseph Dunlavy; 1934-5-4 4485 Los Angeles Santa Catalina Island, S side, near isthmus Comment
  SBBG21458  Quercus pacifica D. E. Breedlove 1961-9-23 1270 Los Angeles S side of Cherry Cyn, 1 mi inland 243 Comment
  UCD83692  Quercus pacifica Ralph Day 1949-9 s. n. Los Angeles Catalina Island. Comment
  SBBG17810  Quercus tomentella P. H. Raven 1962-7-10 17981 Los Angeles below Lemon Tank 243 Comment
  CAS-BOT-BC104872  Quercus wislizeni Ernest C. Twisselmann 1956-9-14 3167 Los Angeles San Emigdio Range. Upper end of Castaic Valley 1188 Comment
  RSA585428  Quercus wislizeni var. frutescens Tim S. Ross 1990-5-31 2722 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA600130  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1997-5-28 9852 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA87153  Quercus wislizeni var. frutescens F. W. Peirson 1919-5-10 403 Los Angeles Trail from Arraster [Arrastre] Creek to Mt. Gleason, San Gabriel Mts 1524 Comment
  SFV905  Quercus wislizeni var. frutescens P. G. Kilburn 1958-9-19 876 Los Angeles Santa Susana Mountains Oat Mountain. 945 Comment
  RSA599264  Rafinesquia californica Steve Boyd, Lauren Raz 1997-3-31 9439 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
  RSA656242  Rafinesquia californica Joseph M. Keefe 1977-6-10 22054 Los Angeles Verdugo Mountains; Northeast side, 0.5 Km. southwest of end of Cedarbend Drive, Sheep Corral Canyon, La Crescenta. 518 Comment
  RSA84271  Ranunculus aquatilis var. capillaceus F. W. Peirson 1922-4-28 2921 Los Angeles Chino Creek, south of Ontario 152 Comment
  UCR113745  Ranunculus californicus var. californicus Scott D. White 1999-3-30 7212 Los Angeles Puente Hills; City of Rowland Heights, south of Pathfinder Road and west 57 Freeway; near Bill Blevins Park 244 Comment
  RSA603392  Ranunculus hebecarpus Louis C. Wheeler 1975-5-14 s.n. Los Angeles San Gabriel Mountains: Head of East Fork Little Tujunga. Comment
  SBBG131515  Raphanus sativus S. A. Junak 2000-5-18 SCa 1301 Los Angeles N side of N Shore Rd, 0.6 mi E of turn-off for Howland's Landing 39 Comment
  UC1364337  Rhamnus H. H. Rudy 1909-8-22 Los Angeles Monrovia Comment
  PASA423  Rhamnus californica Annetta Carter 1929-1-9 Los Angeles Base of Mts., Sierra Madre Comment
  RSA764061  Rhamnus californica R. G. Swinney 2008-8-13 9400 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  UCR99977  Rhamnus californica Dan S. Cooper 1997-10-12 s.n. Los Angeles Extreme SE South Pasadena, border of El Sereno, east of Collis Ave. Comment
  UC420718  Rhamnus crocea J. Grinnell 1903-7-30 Los Angeles Arroyo Seco Pasadena Comment
  UCR270115  Rhamnus crocea R. G. Swinney 2010-4-15 12247 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  CAS-BOT-BC55994  Rhamnus ilicifolia Fordyce Grinnell 1916-6-10 s.n. Los Angeles Sister Elsie Pk. trail, San Gabriel Mts. Comment
  LA32120  Rhamnus ilicifolia Henry J. Thompson; 1959-3-31 1913 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Trippet Ranch 335 Comment
  LA32121  Rhamnus ilicifolia Henry J. Thompson; 1959-5-24 1996 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  LA82207  Rhamnus ilicifolia O. H. Kappler; 1941-3-30 164 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA0060781  Rhamnus ilicifolia LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6809 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA748680  Rhamnus ilicifolia R. G. Swinney 2008-3-31 8581 Los Angeles Glendora Mountain summit 1003 Comment
  SBBG71337  Rhamnus ilicifolia R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  SD80071  Rhamnus ilicifolia Nancy Ryan Zabriskie, Walter Zabriskie 1970-4-12 282 Los Angeles East bank of Arroyo Seco, down stream from La Loma Street bridge, extreme southwest area of Pasadena. 213 Comment
  UC1121902  Rhamnus ilicifolia F. H. Raymond 1930-1-9 22 Los Angeles Trancas Canyon Triunfo Pass 274 Comment
  UCD112341  Rhamnus ilicifolia A. C. Sanders; D. Malueg 1998-6-22 22050 Los Angeles San Gabriel Mountains. Aliso Canyon, under SCE Mesa-Vincent powerline, pole 3-4, just below confluence with Beartrap Canyon. 1006 Comment
  UCR125158  Rhus aromatica A. C. Sanders, Mark Elvin 2002-6-18 25121 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  CAS-BOT-BC170454  Rhus integrifolia Peter H. Raven 1959-3-1 13814 Los Angeles Vermont Canyon, Griffith Park - Santa Monica Mountains 243 Comment
  SBBG98599  Rhus integrifolia T. Ross 1999-3-9 4183 Los Angeles Whittier Hills (Puente Hills); SE side of ridgetop knoll, head of Oak Cyn 368 Comment
  UCD116942  Rhus ovata Kenneth A. Wilson 1961-3-11 995 Los Angeles San Francisquito Canyon Road and Clear Water Canyon. Comment
  UCR117548  Rhus ovata A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23272 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 762 Comment
  UCR256850  Rhus ovata R. G. Swinney 2010-8-16 13552 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  SEINET8042517  Rhus ovata G. B. Grant 1904-1 1120 Los Angeles Pasadena. Comment
  UC79610  Ribes amarum C. F. Baker 1904-2-17 4064 Los Angeles San Antonio Canyon Claremont Comment
  RSA653646  Ribes aureum S. Koukol, R. Koukol 1998-5-3 59 Los Angeles Claremont, appx. 100 m S of Baseline Road, in open field E of Mills Ave., W od Monte Vista Ave. 448 Comment
  UCSB24081  Ribes aureum Wheeler, Louis 1932-5-26 Los Angeles San Gabriel Wash 106 Comment
  SBBG2742  Ribes aureum var. gracillimum H. and M. Dearing 1935-3-9 575 Los Angeles Mint Cyn Comment
  SDSU14342  Ribes aureum var. gracillimum John Viggiano 2003-4-3 29 Los Angeles 1South Hills Park, Glendora. /2 mile North along trail behind restroom, in a clearing. 290 Comment
  LA91499  Ribes californicum var. hesperium Bruce Douglas Clayton; Greg Shaw, Barb Murphy, Marcia Miller 1972-4-15 99 Los Angeles Santa Monica Mountains, Blackrill Canyon, Mountain Park Research Campus 533 Comment
  RSA0106825  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
  RSA165700  Ribes cereum var. cereum Wesley O. Griesel 1963-6-5 803 Los Angeles summit Throop Peak 2774 Comment
  LA50707  Ribes indecorum Harlan Lewis; 1940-9-4 1053 Los Angeles Santa Monica Mountains, Saddle Peak 670 Comment
  OBI14056  Ribes indecorum Louis C. Wheeler 1932-2-10 443 Los Angeles Thompson Crk dam near Claremont 503 Comment
  LA200839  Ribes malvaceum Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  POM6716  Ribes malvaceum var. viridifolium P. A. Munz, L. T. Street, Williams 1919-3-15 2397 Los Angeles South Hills, Pomona. Comment
  CAS-BOT-BC219187  Ribes nevadense Frank W. Peirson 1919-5-10 688 Los Angeles Trail from Arraster Creek, Mount Gleason, San Gabriel Mountains 1676 Comment
  RSA748497  Ribes nevadense Orlando Mistretta 1992-8-28 s.n. Los Angeles Mt. Gleason management unit. Angeles National Forest. Tujunga Ranger District. Comment
  UC921829  Ribes nevadense Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp San Gabriel Mts. Comment
  SEINET12221491  Ribes parishii C. H. Johnson, Wyckoff, S. N. 1921-2-19 98 Los Angeles El Monte Comment
  RSA476242  Ribes roezlii Robert Gustafson 1983-7-18 2788 Los Angeles San Gabriel Mts, Angeles Crest Hwy, 2 miles below Dawson Saddle. 2317 Comment
  POM11231  Ribes roezlii var. roezlii P. A. Munz 1921-6-18 4570 Los Angeles Head of Swartout Valley. 2287 Comment
  RSA0019681  Ribes velutinum R. G. Swinney 2008-6-18 9073 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  CAS-BOT-BC173944  Ribes viburnifolium Knopf; Johnson 1930-2-1 1464 Los Angeles Cherry Valley, near Isthmus, Catalina Island Comment
  RSA725245  Romneya coulteri K. Dobry 1991-6-28 d- 777 Los Angeles Stunt Ranch Santa Monica Mts Stunt Rd Cold Creek Cyn. Comment
  RSA550413  Rosa californica Tim S. Ross 1972-7-10 6673 Los Angeles San Gabriel Mountains: Big Tujunga Creek between Coldwater and Wickiup Canyons. 968 Comment
  SEINET3558033 Image available Rosmarinus officinalis Bruno Klinger 1968-2-5 s.n. Los Angeles Pasadena, Pasadena. Comment
  RSA3526  Rubus discolor Carl B. Wolf 1932-5-9 3469 Los Angeles Santa Catalina Island. Pebbly Beach Canyon. about 1/2 mi. way to Mexican Houses. 61 Comment
  UCR273368  Rubus ursinus R. G. Swinney 2011-3-18 14171 Los Angeles San Gabriel Mts., Glendora foothills, Mull Canyon below debris basin, along Mull Cyn. Road 329 Comment
  CATA1302  Rumex conglomeratus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island: River bed just below upper Cape Canyon Reservoir 304 Comment
  RSA126740  Rumex crispus Peter H. Raven, Henry J. Thompson 1959-5-5 s.n. Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  UCR125243  Rumex crispus A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25514 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, central Potrero Canyon, vicinity of old ranch headquarters, west of ranch house 358 Comment
  UC520379  Rumex maritimus Louis C. Wheeler 1932-9-19 1394 Los Angeles Los Angeles River at Los Feliz Blvd Los Angeles River 121 Comment
  UC56648  Rumex maritimus Ernest Braunton 1902-6-30 507 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  CAS-BOT-BC433918  Rumex salicifolius W. R. Dudley; F. H. Lamb 1896-6-7 4351 Los Angeles Kings Canyon, Liebre Mountains Comment
  UC1861742  Rumex salicifolius Scott D. White, Pam DeVries 2004-6-14 10491 A Los Angeles Western Transverse Ranges: Eastern Santa Susana Mountains. 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. (Oat Mountain) 396 Comment
  UCR149904  Rumex salicifolius R. G. Swinney 1999-6-18 7343 Los Angeles Transverse Ranges; San Gabriel Mountains, Boulder Canyon north of Big John Flat 1619 Comment
  UCR200137  Sagina apetala Valerie Soza, Steve Boyd 2000-4-26 796 Los Angeles Verdugo Mountains, south side, Stough Canyon, Stough Park, above parking lot southwest of intersection of Walnut Avenue and Lockheed View Drive, west of De Bell Municipal Golf Course, southeast of Starlight Theater 366 Comment
  UC213369  Salicornia subterminalis Le Roy Abrams 4365 Los Angeles near Mesmer Comment
  RSA0088416  Salix exigua var. hindsiana R. G. Swinney 2010-2-27 11753 Los Angeles Sunland, SE end of Hansen Dam Basin, Haines Canyon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain 348 Comment
  SD1025  Salix exigua var. hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts., sandy streambed 299 Comment
  UCR95775  Salix gooddingii Steve Boyd, Mark Elvin, V. Jotikasthira 1996-6-25 8881 Los Angeles Liebre Mtns, SE end of Peace Valley in San Andreas Rift Zone, fault sag south of Hwy 138 and north of the California Aqueduct, c. 0.75 air mi west of Quail Lake 1006 Comment
  LA208732  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-11 7667 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  LA208751  Salix laevigata Carl Hedin; Joseph Ewan 1932-5-10 7654 Los Angeles Verdugo Canyon, Fernbrook Pl, (Area 3) Comment
  LA38804  Salix laevigata Henry J. Thompson; 1960-3-13 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA0116335  Salix laevigata Mitch Provance 2009-6-24 10971 Los Angeles Tehachapi Mountains Foothills: Tejon Ranch, 3 miles NNE of Quail Lake, 0.3 miles NE of the Oso Pumping Plant, W side of the Tehachapi Afterbay. 954 Comment
  RSA733155  Salix laevigata R. G. Swinney 1997-6-19 5623 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  SBBG59068  Salix laevigata R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SD1034  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mountains 14 Comment
  UCR222997  Salix laevigata R. G. Swinney 2009-5-6 10657 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  RSA191572  Salix lasiolepis Robert F. Thorne 1966-4-23 36151 -A Los Angeles San Gabriel Mountains: Jackson Lake WNW of Big Pines, Big Pines Recreation Area, Angeles National Forest 1829 Comment
  RSA623709  Salix lasiolepis Scott D. White 1998-4-30 6352 Los Angeles Wrightwood Area: Sheep Creek and adjacent lower +/- E-facing mountain slopes. 1645 Comment
  UC1134998  Salix lasiolepis A. D. Gifford 1935-2-13 433 Los Angeles junction of Bear Canyon and Cienega Creek; Angeles Nat'l Forest, Tejon Quad. Comment
  CAS-BOT-BC107270  Salix lasiolepis var. bigelovii L. R. Abrams; I. L. Wiggins 1931-7-4 330 Los Angeles White's Landing, Santa Catalina Island Comment
  CAS-BOT-BC107539  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  SBBG29042  Salix lucida subsp. lasiandra C. W. Sharsmith 1932-1-17 8 Los Angeles lower San Gabriel Cyn; ca. 9.5 km above Azusa 300 Comment
  UCR141318  Salpichroa origanifolia R. F. Thorne 1967-11-3 41871 Los Angeles Rancho Santa Ana Botanic Garden, Claremont 366 Comment
  CDA21288  Salsola australis J. Lanham, K. Gunderman 2007-11-16 JL- 03 Los Angeles Channel Islands; Catalina Island, Salta Verde area. S. facing slopes in coastal scrub on bare ground. 304 Comment
  RSA650309  Salsola tragus A. E. Hersh 1950-7-9 s.n. Los Angeles Trolley Way and Navy, Ocean Park. 8 Comment
  RSA756789  Saltugilia australis Orlando Mistretta, Christine Mistretta 2008-4-28 2531 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Structure 61 per TRTP Survey 2008) vicinity of Upper Big Tujunga Canyon. 1220 Comment
  UC1595337  Saltugilia splendens subsp. grantii Tim Ross and Orlando Mistretta 1992-7-24 6751 Los Angeles e side Strawberry Peak (near divide between Colby and Wickiup Canyons, 120 degrees se, 1065 m distant from S.P. summit); San Gabriel Mts., e side Strawberry Peak 1560 Comment
  RSA590606  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2966 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air-miles ENE of Barley Flats). 1249 Comment
  RSA67058  Saltugilia splendens subsp. splendens Verne Grant, Alva Grant 1951-6-15 16054 Los Angeles Big Pines, San Gabriel Mts. Noted also on summit of ridge at Inspiration Point. 2104 Comment
  RSA616726  Salvia apiana Louis C. Wheeler 1966-8-20 8816 Los Angeles San Gabriel Mountains: Cabin Flat, Prairie Fork. Comment
  SBBG18206  Salvia carduacea M. Vincent 1962-5-7 241 Los Angeles Llano at jct to Mile Hile Comment
  POM18195  Salvia columbariae P. A. Munz 1923-4-10 6478 Los Angeles San Clemente Island: canyon south of 'Lemon Tank'; west coast. Comment
  RSA14198  Salvia columbariae Carl B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UC1871143  Salvia columbariae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4794 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  RSA401467B  Salvia columbariae L. E. Hoffman 1929-5-18 s.n. Los Angeles Pacoima, Angeles National Forest. Comment
  SEINET11340543  Salvia dorrii Unknown 2010-5-19 12788 Los Angeles San Gabriel Mountains Comment
  RSA446321  Salvia leucophylla Bonnie C. Templeton 1934-6-17 1091 Los Angeles Franklin Canyon, north of Beverly Hills. Comment
  RSA446325  Salvia leucophylla J. Doty 1969-5-16 672 Los Angeles Elizabeth Lake Canyon, 1.4 miles north of junction with Violin Canyon Road; 7.7 miles north of Castaic Junction 396 Comment
  UCSB24625  Salvia leucophylla McMinn, Howard 1931-7-5 Los Angeles Ridge Route; Tehachapi Mts Comment
  CAS-BOT-BC229500  Salvia mellifera Timothy S. Ross; J. Mark Porter 1995-5-4 8409 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  JEPS62761  Salvia mellifera Olive D. Thacher 1929-6-7 Los Angeles Eagle Rock Comment
  LA82003  Salvia mellifera O. H. Kappler; 1940-5-12 Los Angeles Santa Monica Mountains, West fork Las Trancas Canyon 365 Comment
  RSA226170  Salvia mellifera Gary D. Cromwell, David W. Wheat 1971-4-16 520 Los Angeles Lower Mystic Canyon, Angeles National Forest; 2 miles NE of Glendora. Comment
  RSA747099  Salvia mellifera A. C. Sanders, T. B. Salvato 2009-5-19 36828 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  SBBG31381  Salvia mellifera R. F. Thorne with P. C. Everett 1965-5-10 34444 Los Angeles Black Jack Mtn, few hundred feet below summit 487 Comment
  SDSU7390  Salvia mellifera Gerald Collier 1951-4-5 446 Los Angeles Simi hills on road to entrance of north america n rocket testing grounds about 2 miles NE of Chattsworth Lake. Grassy slope. Comment
  SEINET2077544  Salvia mellifera S. Rhodes 2000-4-24 131 Los Angeles S of Palmdale, near railroad tracks and Avenue S. intersection Comment
  UC883957  Salvia mellifera Ira W. Clokey, B. Templeton May 1929 4478 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  SEINET9291814  Sambucus canadensis var. canadensis Unknown 2008-7-15 9222 Los Angeles Winston Peak Comment
  POM305929  Sambucus mexicana Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1219 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA771774  Sambucus mexicana R. G. Swinney 2009-5-20 10816 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  CAS-BOT-BC227082  Sambucus nigra subsp. caerulea Timothy S. Ross; Steve Boyd 1994-5-10 7707 Los Angeles Liebre Mountains. Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mtn summit 890 Comment
  CAS-BOT-BC238728  Sambucus nigra subsp. caerulea Peter H. Raven 1957-9-21 11330 Los Angeles At n.w. end of U.C.L.A. campus, Los Angeles Comment
  SBBG69482  Sambucus nigra subsp. caerulea R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  LA200352  Sambucus nigra subsp. canadensis Mary Reynolds; 1937-3-5 163 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA583069  Sanicula arguta T. S. Ross 1993-4-22 6897 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  UCR213239  Sanicula crassicaulis Dan S. Cooper 2010-3-26 20100326- 22 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, between Fern Canyon and Lower Beacon Trail 198 Comment
  RSA0035493  Sarcodes sanguinea Orlando Mistretta 1992-5-16 20 Los Angeles Vicinity of Big Pines; head of Swarthout Valley; Mountain High Ski area Comment
  RSA680110  Schedonorus arundinaceus LeRoy Gross, Michael Denslow 2003-6-4 990 Los Angeles Islip Saddle parking lot, off Angeles Crest Highway and intersection with Highway 39. 2012 Comment
  CDA4985  Schinus molle T. S. Ross 1991-4-21 4548 Los Angeles Whittier Hills (Puente Hills, pro parte): ridgetop between Turnbull and Sycamore Canyons. Comment
  SD252263  Schismus Steven A. Junak 1999-5-20 Sca 959 Los Angeles Santa Catalina Island: base of paved road leading to rop of Black Jack Peak, on SW side of peak. 530 Comment
  CATA624  Schismus arabicus Mark L. Hoefs 1991-4-8 1077 Los Angeles Santa Catalina Island: Side canyon (Rattlesnake Canyon) of upper Avalon Canyon 146 Comment
  UCD93261  Schismus barbatus Daryl Koutnik; Vickie Dawes 1978-4-20 387 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  RSA0055751  Schismus barbatus R. G. Swinney 2010-4-23 12340 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA365989  Schoenoplectus americanus L. C. Wheeler 1932-9-19 1399 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  UC306159  Scirpus maritimus I. Johnston 1917-6-10 1318 Los Angeles Playa del Rey Playa del Rey (Southern California) Comment
  JEPS45900  Scirpus microcarpus Louis C. Wheeler 1932-9-5 1344 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon 1066 Comment
  RSA79452  Scrophularia villosa F. W. Peirson 1907-7-1 s.n. Los Angeles Catalina Island. Comment
  SBBG79217  Scrophularia villosa F. R. Fosberg 1931-4-8 4520 Los Angeles Avalon Valley 60 Comment
  POM8578B  Scutellaria tuberosa P. A. Munz, R. D. Harwood 1920-4-21 3699 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA171118  Scutellaria tuberosa Robert F. Thorne, James Henrickson 1963-5-5 32310 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  RSA612287  Scutellaria tuberosa Louis C. Wheeler 1934-4-6 2510 Los Angeles San Dimas Canyon, San Gabriel Mountains. 442 Comment
  LA209601  Selaginella asprella Lawrence L. Kiefer; 1963-7-4 590 Los Angeles San Gabriel Mountains, San Antonio Falls, rocks above base, N side 1981 Comment
  LA209611  Selaginella asprella Lawrence L. Kiefer; 1966-7-31 2305 Los Angeles San Gabriel Mountains, NE of Buckhorn Camp, Rattlesnake Trail, between Rattlesnake Spring and Burkhart Trail 1828 Comment
  CAS-BOT-BC62033  Selaginella bigelovii L. R. Abrams; I. L. Wiggins 1931-7-6 341 Los Angeles Vicinity of Mosquito Harbor Comment
  LA200010  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-26 1771 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, ca 1 mi from mouth. 60 Comment
  RSA683769  Selaginella bigelovii Francis H. Elmore 1939-2-18 398 Los Angeles San Clemente Island. Comment
  RSA760610  Selaginella bigelovii R. G. Swinney 2008-12-6 9965 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  CAS-BOT-BC62036  Selaginella bigelovii L. R. A. 1898-12-1 219 Los Angeles Eaton Canyon Comment
  LA203911  Senecio aphanactis Louis Wheeler; 1932-3-13 472 Los Angeles San Jose Hills, Puddingstone Dam Comment
  POM305763  Senecio flaccidus var. douglasii Henry J. Ramsey, Henry J. Ramsey 1937-6-27 961 Los Angeles Sand Canyon, north of Pacoima reservoir Comment
  RSA472950  Senecio flaccidus var. douglasii T. S. Clare 1930-10-19 s.n. Los Angeles Big Santa Anita Canyon Comment
  UC149183  Senecio flaccidus var. douglasii LeRoy Abrams 1902-7-3 2646 Los Angeles Little Santa Anita canyon Little Santa Anita Comment
  UCR259612  Senecio flaccidus var. douglasii R. G. Swinney 2010-9-7 13677 Los Angeles San Gabriel Mountains, Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  RSA576180  Senecio lyonii Reid V. Moran 1941-2-18 589 Los Angeles Channel Islands, [San Clemente Island], mouth of Middle Ranch Canyon. 150 Comment
  UC729527  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles between Avalon Pebbly Beach; Santa Catalina Island 30 Comment
  SBBG131492  Senecio lyonii S. A. Junak, B. Collins 1991-4-24 SCI 168 Los Angeles just E of W Shore Rd 36 Comment
  JEPS30510  Senecio vulgaris Donald Kyhos 1958-3-21 58 -28 Los Angeles East Whittier Comment
  RSA794414  Senecio vulgaris Nancy Hamlett 2013-2-12 s.n. Los Angeles Foothill Blvd. Parkway, outside Bernard Field Station, about 60 feet west of Mills Ave. Claremont 366 Comment
  RSA402665  Sesuvium verrucosum T. H. Holmes 1933-4-25 s.n. Los Angeles Mohave Desert. Comment
  CAS-BOT-BC243585  Setaria parviflora Ernest C. Twisselmann 1971-9-19 18513 Los Angeles Ingraham Street at Lucas Street, downtown district, Los Angeles 60 Comment
  RSA590820  Sibara filifolia D. Propst, Mark Hoefs 1973-6-5 350 Los Angeles Santa Catalina Island, Cape Canyon. 305 Comment
  UCR180383  Sidalcea malviflora Scott D. White, Andrea Warniment 2006-7-6 11603 Los Angeles SE Tehachapi Mtns, Gorman area, sag ponds and adjacent slopes just N of Gorman Post Road 1143 Comment
  CAS-BOT-BC434374  Sidotheca trilobata A. D. E. Elmer 1902-6-1 3695 Los Angeles Acton Comment
  SBBG36290  Silene antirrhina S. A. Junak with M. L. Hoefs 1998-6-12 SCa 721 Los Angeles just W of N end of Catalina Harbor, just upslope from powerline 36 Comment
  RSA0086863  Silene antirrhina Steven A. Junak 1998-6-13 SCa- 751 Los Angeles Santa Catalina Island: W side of Avalon Canyon, upslope from fire station. 42 Comment
  RSA477831  Silene antirrhina L. C. Wheeler 1934-5-10 2581 Los Angeles Claremont. 366 Comment
  RSA477866  Silene gallica H. L. Bauer 1932-05 15378 Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SBBG96802  Silene gallica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4240 Los Angeles lower half of China Cyn Comment
  RSA526065  Silene gallica Steve Boyd, L. Arnseth, Orlando Mistretta, Bart O Brien, Thomas Hayduk 1990-4-6 4164 Los Angeles San Clemente Island: head of Larkspur Canyon, E side of island, S of US Navy site called Jack. 213 Comment
  CAS-BOT-BC174893  Silene laciniata Henry J. Thompson 1959-5-24 2009 Los Angeles 1.9 miles north of Coast Highway, Tuna Canyon Road 335 Comment
  CHSC34419  Silene laciniata subsp. laciniata Philip A. Silverstone 1978-7-23 261 Los Angeles Santa Monica Mountains; jtn Kanan Dume Rd. and Latigo Canyon Rd., 16.6 km inland from jtn Latigo Canyon Rd. and State 1; W side Latigo Canyon Rd. Comment
  POM177959  Silene laciniata subsp. major Joseph A. Ewan 1931-5-16 4207 Los Angeles Dry Canyon above Calabasas, Santa Monica Mountains 304 Comment
  RSA4560  Silene laciniata subsp. major B. Thoele, L. Thoele 1932-05 s.n. Los Angeles Malibu Lake, Santa Monica Mtns. Comment
  UC457217  Silene laciniata subsp. major Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon , Los Alisos Canyon (Santa Monica Mountains) Comment
  POM183626  Silene laciniata subsp. major Joseph A. Ewan 1929-5-18 1252 Los Angeles 1 mile above mouth of Los Flores Canyon. Comment
  RSA477927  Silene laciniata subsp. major William Greenberg 1939-7-24 s.n. Los Angeles Santa Monica Canyon. Comment
  RSA600371  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 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
  RSA604055  Sinapis arvensis L. C. Wheeler 1933-5-18 1741 Los Angeles San Gabriel. 107 Comment
  UCR124754  Sisymbrium altissimum B. C. Templeton 1932-6-17 4912 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2195 Comment
  UCR205242  Sisymbrium altissimum R. G. Swinney 2005-8-11 8448 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  CDA35807  Sisymbrium erysimoides R. G. Swinney 2009-2-2 10026 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. Comment
  RSA786840  Sisymbrium officinale LeRoy Gross 2012-6-17 5552 Los Angeles Along trail and benches of the creek bottom, near Idlehour campground. In upper Eaton Canyon. 808 Comment
  RSA0080390  Sisymbrium orientale R. G. Swinney 2010-3-24 12043 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SBBG131512  Sisymbrium orientale S. A. Junak 2000-5-18 SCa 1302 Los Angeles E end of beach at Parsons Landing, back beach 3 Comment
  UCR282613  Sisyrinchium bellum Dan S. Cooper 2017-3-20 317- 11 Los Angeles Whittier Hills, Skyline Dr. [Skyline #2 Fire Rd.] 351 Comment
  RSA12277  Sisyrinchium bellum Carl B. Wolf 1934-4-11 s.n. Los Angeles Bryant Ranch, E of Long Beach. Comment
  UC1584105  Solanum americanum Tim Ross, Orlando Mistretta 1990-10-26 3317 Los Angeles San Gabriel Mountains, Horse Canyon drainage San Gabriel Mountains; , Horse Canyon drainage 658 Comment
  RSA347535  Solanum aviculare Harlan Lewis 1985-7-10 s.n. Los Angeles Rustic Canyon, Pacific Palisades. Comment
  LA200861  Solanum douglasii Michael Neuman; December 1983 sn Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  LA51799  Solanum douglasii Carl Epling; 1930-3-8 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  OBI69298  Solanum douglasii John Knapp, Denise Knapp 2003-5-10 49 Los Angeles Catalina Island 472 Comment
  UCR271543  Solanum douglasii R. G. Swinney 2011-11-3 15984 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, 'First Water', 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre 622 Comment
  RSA341625  Solanum douglasii F. C. Boutin 1967-4-24 1708 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  CATA3507  Solanum elaeagnifolium Julia Parish 2017-11-30 040 Los Angeles Santa Catalina Island: Avalon; Avalon Canyon Road, on golf course across from school before school crossing stop sign 22 Comment
  NY821412  Solanum nigrum B. Trask 02 1903 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  RSA520075  Solanum triflorum Steve D. Boyd 1988-7-12 2534 Los Angeles Claremont, grounds of RSA, fresh fill dirt for burms along Indian Hill Blvd. Comment
  RSA427424  Solanum umbelliferum Robin S. Collins 1973-4-9 239 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
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Aug 7 2013
  RSA567308  Solanum umbelliferum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3985 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA773799  Solanum umbelliferum R. G. Swinney 2009-6-17 11155 Los Angeles Ball Flat, 2.6 miles NW (312 deg.) of Big Pines 1878 Comment
  UC1125064  Solanum umbelliferum A. D. Gifford 1935-1-7 402 Los Angeles 6 1/2 mi ese of Whitaker Peak 518 Comment
  UC26249  Solanum wallacei Blanche Trask Mar. 1890 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  NY820461  Solanum xanti L. C. Wheeler 1967-5-24 9718 Los Angeles San Gabriel Mountains. Indian Canyon "Campground" 823 Comment
  UCR177294  Solanum xanti Scott D. White, Michael Honer 2003-5-7 9190 Los Angeles Santa Clarita area, South Fork Santa Clara River, from confluence with main fork upstream to bridge at Magic Mountain Parkway 366 Comment
  RSA785745  Solanum xanti Carrie A. Herd 1982-4-9 73 Los Angeles San Gabriel River West Fork; 3/4 mi. W. of Hwy 39, 50 ft. above water Comment
  RSA487343  Solidago californica Richard Noyes 1988-10-30 751 Los Angeles 1 kilometer N of mills Avenue terminus 550 Comment
  RSA0056483  Solidago californica Orlando Mistretta 1992-8-20 767 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  CAS-BOT-BC365306  Solidago confinis Ernest Braunton 1902-8-1 623 Los Angeles Cienega Comment
  RSA763517  Solidago confinis R. G. Swinney 2008-11-29 9857 Los Angeles Mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  UCR182709  Solidago confinis R. G. Swinney 1997-7-16 5662 Los Angeles San Gabriel Mtns., Buford Canyon, 0.5 mi. west of San Bernardino Co. line, south of Hwy 2 and Swarthout Valley, c. 2 air miles west of Wrightwood 2195 Comment
  UCR277386  Solidago velutina subsp. californica R. G. Swinney 2011-10-13 15779 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  CAS-BOT-BC374613  Sonchus oleraceus L. R. Abrams; I. L. Wiggins 1931-7-3 297 Los Angeles Channel Islands. Santa Barbara Island Comment
  SFV11229  Sonchus oleraceus D. K. Shayne 1966-3-9 104 Los Angeles Santa Susana Mountains Above Zelzah Street. Comment
  SDSU1124  Sorghum halepense F. Youngberg Los Angeles Orange Orchard near Claremont Comment
  CLARK-A1703-86  Spartium junceum Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  RSA349194  Spartium junceum Robin S. Collins 1973-5-28 310 Los Angeles Angeles National Forest, San Gabriel Mts. Trail Cyn. 762 Comment
  UC917789  Spergula arvensis subsp. arvensis Frank W. Gould 1944-4-15 2289 Los Angeles n.w. Los Angeles Airport (Sepulveda Blvd.) Comment
  CATA3042  Spergularia bocconi Amy Catalano 2016-3-21 051 Los Angeles Santa Catalina Island: Driveway to milkhouse in Middle Ranch 188 Comment
  RSA0087102  Spergularia villosa Steven A. Junak 2001-5-4 SCa- 1492 Los Angeles Santa Catalina Island. E of Parson's Landing. 115 Comment
  RSA511032  Sphenosciadium capitellatum B. C. Templeton 1932-7-20 5005 Los Angeles Big Pines Park, San Gabriel Mts. 2088 Comment
  IRVC27018  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  RSA0081387  Stachys albens R. G. Swinney 2010-8-26 13591 Los Angeles North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 720 Comment
  UCR210150  Stachys albens R. G. Swinney 2008-10-16 9624 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  RSA46602  Stachys albens Frances Runyan 1971-7-14 s.n. Los Angeles Moist draw, 3 1/2 miles west of Acton, Agua Dulce Canyon Road, Agua Dulce. 701 Comment
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May 11 2016
  HSC79820  Stachys bullata Richard S. Hood 1969-5-20 266 Los Angeles 1.5 mi. NE of Cahuenga Peak on Griffith Park Dr. in Griffith Park 244 Comment
  LA200331  Stanleya pinnata Monte Lloyd; 1950-7-15 500715p 1352 Los Angeles Santa Monica Mountains, a few mi. N of Santa Monica along Pacific Coast Hwy 15 Comment
  SBBG131631  Stebbinsoseris heterocarpa S. A. Junak 1999-4-23 SCa 853 Los Angeles plant stop [ridge rd E of Mt Torquemada Trail] 347 Comment
  SD90549  Stebbinsoseris heterocarpa Robert F. Thorne 1973-4-11 42788 Los Angeles San Clemente Island; plateau in Middle Ranch area at head of Middle Ranch Canyon. 424 Comment
  RSA0081324  Stellaria media R. G. Swinney 2010-3-16 11932 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
  RSA478178  Stellaria media M. B. Dunkle 1929-4-21 2144 Los Angeles Santa Catalina Island, Grand Canyon, upper falls. Comment
  UCR229523  Stellaria media Dan S. Cooper 2011-2-21 211- 36 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR271754  Stellaria media R. G. Swinney 2011-3-26 14224 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
  LA82339  Stephanomeria cichoriacea David S. Verity; 1965-10-17 sn Los Angeles Santa Monica Mountains, Malibu Canyon, ca 0.5 mi S of tunnel 152 Comment
  RSA474170  Stephanomeria cichoriacea Geo. C. Johnstone 1927-10-30 s.n. Los Angeles upper part of Big Tujunga Canyon Comment
  UCR276745  Stephanomeria cichoriacea R. G. Swinney 2010-8-11 13497 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  UC830535  Stephanomeria diegensis Carl B. Wolf 1932-10-3 Los Angeles about 1.25 mi from Wrigley Drive (on road to Renton Mine, about head of right fork of Pebbly Beach Canyon); Santa Catalina Island, Pebbly Beach Canyon 304 Comment
  CAS-BOT-BC375719  Stephanomeria runcinata Le Roy Abrams; E. A. McGregor 1908-6-30 510 Los Angeles Lancaster (Mojave Desert) 853 Comment
  UCR252732  Stephanomeria virgata R. G. Swinney 2010-5-29 13413 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  RSA118797  Stephanomeria virgata S. Carlquist 1958-8-30 616 Los Angeles Weed in field, Foothill Blvd at W City limits of Claremont. Comment
  RSA735587  Stillingia linearifolia A. Edwards 2007-12-14 1121 Los Angeles Transverse Ranges,San Gabriel Mtns region. 488 Comment
  SD233821  Stillingia paucidentata B. Pitzer 1998-5-12 3689 Los Angeles Western Mojave Desert: c. 18 air miles NW of Adelanto & 12.8 mi (airline) W of the San Bernardino Co. line, 240th Street East, c. 3.1 road mi. N of junction with El Mirage Rd. (= Ave. P), 0.25 mi. E of 240 St., c. 3.4 mi. S of Ave. J 865 Comment
  CATA1109  Stipa lepida Mark L. Hoefs 1995-5-23 2073 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  UCR143121  Stipa lepida F. R. Fosberg 1931-3-19 S- 4304 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon 10 Comment
  UCR271869  Stipa lepida R. G. Swinney 2010-3-24 12097 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  CATA726  Stipa miliacea var. miliacea Mark L. Hoefs 1991-5-18 1235 Los Angeles Santa Catalina Island: Middle Canyon 268 Comment
  SD90637  Stipa pulchra Robert F. Thorne 1966-4-17 36133 Los Angeles San Clemente Island; Near Lemon Tank S of Nanny, NE side of island 305 Comment
  SD260163  Stipa speciosa R. G. Swinney 2010-5-19 12823 Los Angeles San Gabriel Mountains/Western Mojave Desert: Oracle Hill summit abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd, just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy. 1335 Comment
  RSA279005  Stuckenia pectinata Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42182 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA188041  Stylomecon heterophylla Robert F. Thorne 1966-4-30 36337 Los Angeles Santa Catalina Island. W fork Gallagher's canyon. 15 Comment
  SD112490  Suaeda californica Darley F. Howe 1938-8-1 728 Los Angeles Alkali flat south of Los Angeles. Comment
  RSA608692  Symphoricarpos albus var. laevigatus L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA428876  Symphoricarpos mollis Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  RSA595617  Symphoricarpos rotundifolius var. parishii L. C. Wheeler 1970-7-26 s.n. Los Angeles 0.5 mi. west of Mt. Hawkins. 2561 Comment
  RSA604616  Symphoricarpos rotundifolius var. parishii L. C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. Comment
  UCD169696  Symphoricarpos rotundifolius var. parishii Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: ca. 300 yards E of foot of Holiday Hill Ski Lift. 1994