Search Results — 2000 specimen records retrieved (1568 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
  RSA384192  Abies concolor Anonymous 1900-12 s.n. Los Angeles Unspecified Comment
  CATA1944  Abronia maritima Reid Moran 1941-3-4 675 Los Angeles Santa Catalina Island: Little Harbor 5 Comment
  RSA460919  Abronia maritima Edwin Kline 1926-5-29 s.n. Los Angeles Redondo Beach. Comment
  POM734  Abronia umbellata L. R. Abrams 1901-4-1 4539 Los Angeles Ballona Harbor. Comment
  UCR45026  Abronia umbellata A. C. Sanders 1986-7-30 6816 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
  RSA0014971  Acacia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11690 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR265536  Acacia Dan S. Cooper 2015-3-22 315- 22 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, north end of Commonwealth Ave. along dirt service road at northern edge of Commonwealth Nursery 250 Comment
  SEINET4175493  Acanthoscyphus parishii var. parishii J. L. Reveal, B. J. Ertter 1976-6-28 4558 Los Angeles San Gabriel Mountains, along the road from Mill Creek Summit to Mt. Gleason, 1.7 mile northwest of Mill Creek Summit 1661 Comment
  UCD117064  Acer macrophyllum Kenneth A. Wilson 1961-4-10 1140 Los Angeles Santa Susana Mountains. Southern arm of Bee Canyon-Mission Point (or Peak) area. 762 Comment
  SEINET12766394  Acer macrophyllum Jerry Turney 1987-4-19 8 Los Angeles Lower Eaton Canyon San Gabriel Mtns.; 0 Comment
  CAS-BOT-BC211919  Achnatherum coronatum Peter H. Raven; Henry J. Thompson; S. R. Snow 1956-6-22 9455 Los Angeles Burn below Mullholland Drive above Sepulveda Blvd., Santa Monica Mountains Comment
  POM484093  Achnatherum coronatum Crawford 1936-4-19 170 Los Angeles San Fernando Valley Comment
  RSA225676  Achnatherum coronatum R. F. Thorne, A. C. Gibson 1971-5-22 39719 Los Angeles Angeles National Forest: Fish Canyon, on bluff face. 259 Comment
  RSA584600  Achnatherum coronatum Timothy S. Ross, Orlando Mistretta 1993-5-26 7300 Los Angeles off the main E/W divide about midway between Wilson Canyon Saddle and May Canyon Saddle 993 Comment
  UCD50361  Achnatherum hymenoides G. L. Stebbins Jr. 1939-6-16 2860 Los Angeles Along US Highway 99, 5 miles S of Gorman. 1005 Comment
  UCSB18775  Achnatherum hymenoides Keefe, Joseph 1965-4-3 Los Angeles N side of Pearblossom Rd, at intersection with 213th St, 9.7 mi E of Pearblossom. Comment
  SEINET5585750  Achnatherum occidentale Tim Ross, Steve Boyd 1991-1 5657 Los Angeles Granite Mountain: San Gabriel Mountain Range, Chilao Flat USGS 7.5' quad 1975 Comment
  RSA249795  Achnatherum speciosum R. F. Thorne 1973-5-11 43485 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano 1159 Comment
  UCSB26212  Achnatherum speciosum Gliessman, Nan 1968-4-6 Los Angeles 100 ft S of Soledad Cyn Rd, 0.6 mi N of junction with Old Sierra Hwy, 4 mi NE of Acton 914 Comment
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Oct 14 2015
  SEINET11854799  Achyrachaena mollis M. E. Jones 1882-1 Los Angeles Pasadena Comment
  CAS-BOT-BC204746  Acmispon argophyllus var. argenteus R. F. Thorne 1973-4-12 42900 Los Angeles Channel Islands: San Clemente Island: China Point at end of road 15 Comment
  UCR143301  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor 76 Comment
  SBBG17330  Acmispon glaber K. A. Wilson 1961-3-12 998 Los Angeles Zuma Beach Comment
  SDSU4346  Acmispon glaber Gerald Collier 1951-3-16 3648 Los Angeles Faculty hill; 1/4 mile west of UCLA campus. Comment
  CATA1276  Acmispon maritimus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2362 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  SBBG132335  Acmispon maritimus J. Savage, W. Fair, J. Lambert 2003-8-25 Bot 2 -2003 Los Angeles San Clemente Island [near VC3 sandpile] 259 Comment
  LA52415  Acmispon maritimus var. maritimus Elizabeth McClintock; 1936-3-15 sn Los Angeles Santa Monica Mountains, Temescal Canyon 91 Comment
  SBBG47513  Acmispon maritimus var. maritimus M. B. Dunkle 1932-6-2 2169 Los Angeles White's Landing Comment
  SBBG91828  Acmispon micranthus S. A. Junak 1978-4-15 SCa 10 Los Angeles N side of Cherry Cove 30 Comment
  SBBG120139  Acmispon micranthus A. C. Sanders, M. Elvin, et al 2003-4-14 25954 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  UCSB13134  Acmispon nevadensis var. davidsonii 1961-8-4 Los Angeles Along roadside near Peavine Campground, 3 mi. W of Wrightwood on Big Pines Highway; San Gabriel Mtns. 1828 Comment
  CATA47  Acourtia microcephala USC Wrigley Interns: Miller Zou, Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 27 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  SFV4070  Acourtia microcephala R. L. Armacost 1933-7-4 2 dup. Los Angeles San Gabriel Mountains Vasquez Rocks, near Newhall, just south of Agua Dulce. 790 Comment
  UCR61031  Acourtia microcephala R. G. Swinney 1989-5-17 s.n. Los Angeles San Gabriel Mtns, San Gabriel Mtns, near Glendora Wilderness Park 488 Comment
  CHSC100236  Adenostoma fasciculatum John Dittes 2006-5-30 1379 Los Angeles Western Transverse Range; San Gabriel Mtns; Big Tujunga Cyn.; ca. 3.7 air-miles northeast of Verdugo Hills High School, ca. 2.5 air-mile southwest of Condor Peak., ca. 2.5 air-miles south x southeast of Mt. McKinley; slope above Trail Canyon Creek, north of Big Tujunga Rd. 528 Comment
  LA94777  Adenostoma fasciculatum Norman A. Cole; May 1964 429 .1 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 60 Comment
  RSA773294  Adenostoma fasciculatum R. G. Swinney 2009-6-24 11279 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  SJSU439  Adenostoma fasciculatum A. W. Jacobs 1938-8-11 Los Angeles Ithsmus, Santa Catalina Island Comment
  UCR103759  Adenostoma fasciculatum David Charlton 1989-4-30 3000 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway c. 2.5 mi. (airline) north of the southern boundary of the Angeles National Forest, c. 1.25 mi. west of Lower Switzer Campground 1311 Comment
  RSA583036  Adenostoma fasciculatum var. fasciculatum Tim S. Ross 1993-4-22 6876 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); northeasterly slope 100 meters due N of summit. 468 Comment
  CAS-BOT-BC176438  Adiantum aleuticum R. G. Swinney 1998-10-3 7008 Los Angeles San Gabriel Mtns: upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  CAS-BOT-BC65569  Adiantum capillus-veneris Parish 1904-6-17 6292 Los Angeles Arroyo Seco Canyon Comment
  RSA687661  Adiantum capillus-veneris Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  RSA687681  Adiantum capillus-veneris May N. Ackley 1923-1 6 Los Angeles [no locality information provided] 335 Comment
  LA3989  Adiantum jordanii A. M. Johnson; 1934-3-16 4345 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  POM6779  Adiantum jordanii Anonymous 1885-05 s.n. Los Angeles Near Pasadena Comment
  UCR204194  Adiantum jordanii Mark A. Elvin 1996-4-20 160 Los Angeles Channel Islands, San Clemente Island 355 Comment
  POM871  Adiantum jordanii M. Harbour 1909-1 s.n. Los Angeles Claremont, hills east of Orange. Comment
  SEINET3153092  Adiantum jordanii G. B. Grant 1904-4-20 26 Los Angeles Catalina Island, So. Cal. Comment
  RSA707474  Agoseris retrorsa Naomi Fraga, Tim Thibault 2005-6-13 1587 Los Angeles Stoddard Canyon, along Barret Stoddard Road. 1280 Comment
  UCR271194  Agoseris retrorsa R. G. Swinney 2011-6-6 14994 A Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA679991  Agoseris retrorsa LeRoy Gross, Michael Denslow 2003-6-4 977 Los Angeles Trail from Islip Saddle to Mt. Williamson 2195 Comment
  RSA0022830  Agrostis exarata Duncan S. Bell, Caitlin Elam 2013-8-1 5557 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA3615  Agrostis exarata C. B. Wolf 1932-5-14 3634 Los Angeles Santa Catalina Island. Hillside above Amphitheatre, Avalon. 61 Comment
  UCR124486  Agrostis exarata B. C. Templeton 1932-7-21 5012 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA623874  Agrostis pallens Jon E. Keeley 1979-5-10 7278 Los Angeles 1.6 kilometers N of Pacific Coast Highway on Kanan Dume Road. 300 Comment
  POM20723  Agrostis stolonifera P. A. Munz 1923-8-31 7667 Los Angeles Big Pines, Swartout Valley, San Gabriel Mountains. 2073 Comment
  UCR259139  Ailanthus altissima R. G. Swinney 2010-6-23 13368 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  SDSU11551  Allium fimbriatum var. mohavense D. F Howe 1947-5-5 1531 Los Angeles North side of San Gabriel Mts., LA. Comment
  RSA0083127  Allophyllum divaricatum R. G. Swinney 2010-6-4 13056 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
  RSA596086  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8642 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA668669  Allophyllum divaricatum Steve Boyd, LeRoy Gross 2002-5-7 10432 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  SEINET13203286 Image available Allophyllum divaricatum R. G. Swinney 2011-1 15454 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. (Chilao Flat 7.5' Q.) 1219 Comment
  UCR61096  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA28484  Allophyllum divaricatum Verne Grant, Alva Grant 1955-05 9400 Los Angeles [Seed parents in a natural population in Cow Canyon, San Gabriel Mts.] Comment
  SBBG125524  Allophyllum gilioides subsp. violaceum A. Parikh, N. Gale 2010-6-15 3289 Los Angeles upper Big Tujunga Cyn, 0.2 km ENE of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1305 Comment
  RSA410092  Allophyllum glutinosum Anstruther Davidson 1891-9-10 s.n. Los Angeles Topanga Canyon Comment
  UC457218  Allophyllum glutinosum Carl Epling 1931-5-9 Los Angeles Los Alisos Canyon Santa Monica Mts., Los Alisos Canyon Comment
  RSA302702  Alnus rhombifolia Jim Shevock 1970-4-8 107 Los Angeles L.A. Pierce College. 244 Comment
  UCR9371  Amaranthus blitoides G. Hill 1969-11-10 s.n. Los Angeles San Gabriel Valley, Puente Hills 432 Comment
  UCR151880  Amaranthus blitum Tom Yutani 1989-4-27 s.n. Los Angeles La Mirada. Rosecrans Ave and Beach Blvd (Hwy 39), between Hwy 39 and Coyote Creek 46 Comment
  UCR6677  Amaranthus deflexus O. F. Clarke 1967-10-24 s.n. Los Angeles San Gabriel Valley, San Marino, Henry E. Huntington Estate; Huntington Gardens and Library 213 Comment
  SBBG52775  Amblyopappus pusillus M. B. Dunkle 1939-4-5 7268 Los Angeles China Pt Comment
  SBBG80307  Amblyopappus pusillus F. C. Boutin 1967-4-23 1671 Los Angeles Lemon Tank; dump site 304 Comment
  SFV21144  Ambrosia acanthicarpa J. M. Keefe 2001-1-19 30992 Los Angeles San Fernando Valley Big Tujunga Wash, 300 m northwest of corner of Westcott Avenue and Grove Street in Sunland. 384 Comment
  RSA668153  Ambrosia acanthicarpa Ian Swift 2001-9-2 308 Los Angeles W. Antelope Valley, Desert Pines Wildlife Sanctuary, Ave G and 200th St. West; north flank of Portal Ridge, lower Kings Canyon Wash. 939 Comment
  SEINET5514074  Ambrosia acanthicarpa J. C. Beatley 1969-1 Los Angeles along rdsides Rte 138 near San Bernardino County line NTS Herbarium coll. Drainage area: Antelope Valley drainage 1067 Comment
  CAS-BOT-BC44998  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45003  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  CAS-BOT-BC45005  Ambrosia confertiflora Ivan Murray Johnston 1920-1-1 s.n. Los Angeles Arcadia along Huntington Drive 152 Comment
  RSA127976  Ambrosia psilostachya Peter H. Raven, Henry J. Thompson 1959-10-18 14674 Los Angeles Santa Monica Mountains north arm of Malibu Lake 220 Comment
  RSA0091515  Ambrosia salsola R. G. Swinney 2011-4-1 14319 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA606944  Ammannia coccinea Louis C. Wheeler 1946-9-2 6335 Los Angeles San Gabriel Mountains: West Fork San Gabriel River. 518 Comment
  RSA0079993  Amsinckia intermedia R. G. Swinney 2009-3-13 10115 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.8 mi. north of Foothill Blvd. on east side of main river channel. 192 Comment
  SBBG63524  Amsinckia intermedia M. N. Ackley -Mar-1926 23 Los Angeles Eagle Rock 213 Comment
  SBBG98540  Amsinckia intermedia T. Ross 1991-5-21 5425 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  UC551850  Amsinckia intermedia F. R. Fosberg 1932-5-5 10643 Los Angeles hills n of Avalon; Santa Catalina Island Comment
  POM3976  Amsinckia intermedia O. W. Robinson 1916-3-18 s.n. Los Angeles Claremont. Wash near Indian Hill. Comment
  RSA0079982  Amsinckia intermedia R. F. Thorne 1973-4-12 42958 Los Angeles San Clemente Island: Large canyon S of Mosquito Cove, N of Chenity. 335 Comment
  RSA499956  Amsinckia intermedia Richard C. Barkelew 1929-4-23 18113 Los Angeles Mulholland Highlands near LA. Comment
  UCR280893  Amsinckia retrorsa R. G. Swinney 2014-5-7 16412 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  UC78285  Amsinckia spectabilis T. S. Brandegee May 1889 Los Angeles Santa Catalina Island Comment
  POM368390  Amsinckia tessellata N. C. Cooper 1949-4-19 3609 Los Angeles Mojave Desert, Lancaster, 762 Comment
  RSA726020  Amsinckia tessellata A. C. Sanders, Tricia Wotipka, Mark Elvin, et al. 2003-4-28 26120 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  SFV9420  Amsinckia tessellata M. L. Vincent, R. H. Swade 1964-4-2 479 Los Angeles San Gabriel Mountains Valyermo Road, about 200 m (1/8 mile) north of Pallett Road. 1085 Comment
  RSA0091450  Amsinckia tessellata var. tessellata Gary Kovnat, LeRoy Gross 2003-2-16 18 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SEINET12519179  Amsinckia tessellata var. tessellata Steve Boyd, Timothy S. Ross 1997-1 9192 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA0091456  Amsinckia tessellata var. tessellata L. C. Wheeler 1967-5-9 9401 Los Angeles Gleason Canyon, south of Aliso Canyon. 1006 Comment
  RSA86715  Andropogon glomeratus var. scabriglumis F. W. Peirson 1926-3-20 6517 Los Angeles Arroyo Seco, near Altadena. Alt. 2500 ft. 762 Comment
  RSA305713  Anemopsis californica Mark Hoefs 1973-6-5 331 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon. 23 Comment
  RSA187675  Anthemis cotula R. F. Thorne 1966-9-14 36629 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon. Margin of reservoir. 198 Comment
  SBBG31338  Anthemis cotula R. F. Thorne with P. C. Everett 1965-6-23 34961 Los Angeles Middle Ranch, in pasture near barn Comment
  LA200151  Anthemis cotula Jonathan Sauer; D. Luksik 1978-5-27 6036 Los Angeles Santa Monica Mountains, Topanga Canyon State Park, Chamise area Comment
  SD113041  Anthemis cotula Darley F. Howe 1915-6-3 Los Angeles Claremont Comment
  RSA727269  Anthriscus caucalis R. G. Swinney 1998-5-25 6152 Los Angeles San Gabriel Valley; Glendora, SE part of South Hills, c. 350 m SE of Fawn Valley Rd. 280 Comment
  UCR197095  Anthriscus caucalis LeRoy Gross 2007-4-27 2659 Los Angeles Transverse Range; Verdugo Mountains, southern front of the range, behind debris basin for Sherer and Hillcrest Canyons, at the base of Hillcrest Canyon 254 Comment
  RSA756464  Anthriscus caucalis Orlando Mistretta, Christine Mistretta 2008-4-19 2501 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, Structure 115 per TRTP Survey 2008), vicinity of Van Tassel Canyon. 581 Comment
  RSA0116124  Antirrhinum coulterianum R. G. Swinney 2010-6-1 13166 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  UC672556  Antirrhinum coulterianum H. L. Mason 1927-6-11 3746 Los Angeles Mount Wilson; San Gabriel Mountains Comment
  UCR146475  Antirrhinum coulterianum Orlando Mistretta 1992-6-12 557 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  UCR261553  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  POM354839  Antirrhinum coulterianum N. C. Cooper 1949-6-29 4359 Los Angeles San Gabriel Canyon. 457 Comment
  POM7698  Antirrhinum kelloggii Philip A. Munz, R. D. Harwood 1920-4-21 3683 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UC1922299  Antirrhinum kelloggii Valerie Soza, Susan Caplow 2003-4-11 1631 Los Angeles Transverse Ranges; Verdugo Mountains region; Brand Park vicinity, upper Brand Canyon, alongside Brand Park Mtwy. 549 Comment
  SBBG13344  Antirrhinum nuttallianum subsp. subsessile E. R. Blakley 1962-6-10 5247 Los Angeles 1 mi up cyn from its mouth, cyn half-way between Eel Pt and Seal Cove Comment
  LA33453  Aphanes occidentalis Peter H. Raven; Henry J. Thompson 1959-5-5 14143 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd (N1). 320 Comment
  CATA2973  Aphanisma blitoides Peter J. Dixon 2015-2-17 001 Los Angeles Santa Catalina Island: Ben Weston Ridge Rd. near feral animal removal fence gate. 60 m West of Middle Ranch Rd. Population bisected by road. 137 Comment
  RSA232825  Aphanisma blitoides R. F. Thorne 1966-4-16 36044 Los Angeles San Clemente Island: c. 1/2 mile SSE of Eel Point, SW side of island 2 Comment
  SD90556  Aphanisma blitoides Robert F. Thorne 1973-4-12 42950 Los Angeles San Clemente Island, Pyramid Cove at south end of island Comment
  POM246415  Apiastrum angustifolium F. R. Fosberg 1931-3-31 S- 4428 Los Angeles Avalon, Santa Catalina Island. 5 Comment
  POM246437  Apiastrum angustifolium F. R. Fosberg 1931-4-29 S- 4717 Los Angeles Santa Catalina Island. Small canyon between Cottonwood and Middle Ranch Canyons 100 Comment
  RSA600027  Apiastrum angustifolium Steve Boyd, Lauren Raz 1997-5-6 9712 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SBBG32090  Apiastrum angustifolium R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -183 Los Angeles upper E branch of Wild Boar Gully, Salta Verde Comment
  SD234267  Apiastrum angustifolium A. C. Sanders, T. Wotipka, M. A. Elvin, et al. 2003-4-28 26123 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. 487 Comment
  UC450885  Apiastrum angustifolium Fay A. MacFadden 1931-3-25 22 E Los Angeles Verdugo Hills, Tuna Canyon Tuna Canyon; Verdugo Hills, Tuna Canyon 335 Comment
  UC874550  Apiastrum angustifolium F. R. Fosberg 1931-4-4 S 4489 Los Angeles Santa Catalina Island, Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  IRVC28710  Apium graveolens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25493 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  SD260165  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  RSA733042  Aquilegia formosa R. G. Swinney 1998-8-6 6703 Los Angeles Alder Gulch, a western tributary of upper East Fork San Gabriel River. 1159 Comment
  RSA0125920  Arabidopsis thaliana LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 729 Los Angeles South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 307 Comment
  HSC101891  Arabidopsis thaliana LeRoy Gross 2001-3-31 363 Los Angeles Los Angeles Basin, Verdugo Mountains Region: South side, at end of Olive Avenue in Burbank. 366 Comment
  UCD170971  Arabis R. G. Swinney 2009-6-2 10982 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring. 2012 Comment
  RSA600036  Arabis pulchra Steve Boyd, Lauren Raz 1997-3-25 9256 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
  UCR222842  Arabis pulchra R. G. Swinney 2009-5-12 10718 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, 0.3 mi. SE of junction of Alimony Ridge and Alimony Ridge Rd. 1253 Comment
  UCR194015  Aralia californica R. G. Swinney 1998-8-17 6764 Los Angeles San Gabriel Mtns., upper Coldwater Canyon at NE end of Heaton Flat Trail 1372 Comment
  UCD18333  Araucaria cunninghamii V. I. Cheadle 1951-1-31 s.n. Los Angeles city of Los Angeles, Bel Air, Vavra Estate. Comment
  JEPS40141  Arceuthobium campylopodum Frank W. Peirson 1921-6-15 2322 Los Angeles near Chilao San Gabriel Mtns 1645 Comment
  CAS-BOT-BC27207  Arctostaphylos gabrielensis P. V. Wells; Jon E. Keeley 1986-3-10 31086 Los Angeles Mill Creek Summit divide 1500 Comment
  RSA244822  Arctostaphylos glandulosa F. R. Fosberg 1931-4-23 4685 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  UCR146491  Arctostaphylos glandulosa Scott D. White 2004-7-27 10629 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  LA33460  Arctostaphylos glandulosa subsp. mollis Peter H. Raven; 1959-3-8 13840 Los Angeles Santa Monica Mountains, Mulholland Drive [Hwy] 7.6 mi W of Topanga Canyon 365 Comment
  RSA626768  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Allen Massihi 1992-8-20 20485 Los Angeles Angeles Crest Highway (mid-elevation Arctostaphylos site), 12 km south of turnoff to Singing Pines Campground. 1545 Comment
  RSA631217  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21977 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  CAS-BOT-BC39307  Arctostaphylos glauca Elmer I. Applegate 1927-2-28 4993 Los Angeles Tejon Pass, northern Los Angeles County. Along Ridge Road. Comment
  RSA229042  Arctostaphylos glauca R. F. Thorne 1971-6-30 40838 Los Angeles San Gabriel Mts., Angeles National Forest: 1.6 miles above Little Sycamore Campground along Little Rock Creek 1280 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
  RSA631571  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15644 Los Angeles Angeles Forest Highway, 2.8 km south of Hidden Springs Cafe. 900 Comment
  RSA631595  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-8 15951 Los Angeles Hughes Lake Road, 5-7 km north of Highway 5. 750 Comment
  RSA631620  Arctostaphylos glauca Jon E. Keeley 1982-7-29 7801 Los Angeles Study site, Aliso Canyon. Comment
  RSA631667  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15854 Los Angeles San Gabriel Canyon, Highway 39, 15 km north of ORV area. 1300 Comment
  RSA631701  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-30 15842 Los Angeles San Gabriel Canyon, Highway 39, 11-12 km north of ORV area. 1100 Comment
  UC1121450  Arctostaphylos glauca Jerome S. Horton 1936-3-24 260 Los Angeles Tanbark Flats Pomona Quadrangle, Tanbark Watershed Comment
  UCR108464  Arctostaphylos glauca L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mtns., Mesa on the W side of Bear Creek, off West Fork of San Gabriel River 610 Comment
  RSA634342  Arctostaphylos parryana subsp. parryana Jon E. Keeley 1992-10-15 22088 Los Angeles Road to Crystal Lake, 1 km north of Highway 39, San Gabriel Mountains. 1720 Comment
  RSA634784  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20461 Los Angeles S of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1700 Comment
  RSA635129  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20286 Los Angeles Road to Mt. Gleason, 200 m west of Mill Creek Summit. 1490 Comment
  CAS-BOT-BC42171  Arctostaphylos patula Joseph Andorfer Ewan; Nesta Ewan 1936-8-17 10114 Los Angeles Big rock - Bear Creek divide, San Garbriel Mts. Comment
  RSA635242  Arctostaphylos patula Jon E. Keeley 1993-2-1 22590 Los Angeles Mt. Baldy Ski Resort. San Gabriel Mtns. 2280 Comment
  RSA635275  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20638 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  UCR190855  Arctostaphylos patula R. G. Swinney 1998-7-2 6227 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  UCR202743  Arctostaphylos patula R. G. Swinney 2001-8-27 8094 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  RSA199838  Arctotis stoechadifolia S. Carlquist 1965-10-3 1816 Los Angeles Los Angeles State and County Arboretum, Arcadia Comment
  CAS-BOT-BC401600  Argemone albiflora Theodore Payne 1934-4-1 s.n. Los Angeles Stone Canyon, Santa Monica Mts. Comment
  JEPS48604  Argemone munita Charles J. Lovell 1942-5-24 Los Angeles Mescal Canyon approach to Mohave Desert Mescal Canyon Comment
  UCR118596  Arida carnosa David Charlton, Lew Heide 1991-9-19 5597 Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  RSA603481  Artemisia californica Joseph A. Ewan 1932-10-22 10806 Los Angeles Catalina Island. Above Avalon Comment
  SBBG12904  Artemisia californica E. R. Blakley 1962-10-3 5386 Los Angeles head of Swain's (Swain) Cyn and the island rd 396 Comment
  CAS-BOT-BC90339  Artemisia douglasiana P. A. Munz; I. M. Johnston 1918-5-19 2263 Los Angeles Claremont Comment
  POM20620  Artemisia douglasiana Philip A. Munz 1923-11-8 7798 Los Angeles Lone Hill, Glendora. Comment
  RSA606124  Artemisia douglasiana L. C. Wheeler 1931-8-11 S 5 Los Angeles 2 miles NE of La Verne. 373 Comment
  SEINET1869752  Artemisia douglasiana A. C. Sanders, Mark A. Elvin 2002-1 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at shouth edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near ''Airport Mesa' 305 Comment
  UCR271319  Artemisia douglasiana R. G. Swinney 2011-10-10 15727 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCR272634  Artemisia douglasiana R. G. Swinney 2011-9-22 15662 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  RSA589094  Artemisia douglasiana Orlando Mistretta 1994-9-13 1466 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR258611  Artemisia dracunculus R. G. Swinney 2010-6-23 13319 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin 341 Comment
  CAS-BOT-BC93871  Artemisia dracunculus Peter H. Raven; Henry J. Thompson 1959-10-18 14680 Los Angeles Santa Monica Mountains - Decker road 1.8 miles south of Mulholland Highway 487 Comment
  POM19001  Artemisia ludoviciana subsp. incompta Philip A. Munz 1923-9-1 7711 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  RSA151252  Artemisia nesiotica Peter H. Raven 1962-7-10 17966 Los Angeles Summit of island above Wilson Cove, San Clemente Island 137 Comment
  SD48941  Artemisia nesiotica Reid Moran 1958-9-15 6833 Los Angeles San Clemente Island; Canyon 1.8 miles southeast of Eel Point. 99 Comment
  UCR145457  Artemisia tridentata L. C. Wheeler 1956-9-16 7239 Los Angeles San Gabriel Mountains, Guffy Camp, Blue Ridge 2500 Comment
  UCR271604  Artemisia tridentata R. G. Swinney 2011-10-13 15775 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
  CAS-BOT-BC97273  Artemisia tridentata subsp. parishii Timothy S. Ross; Steve Boyd 1994-9-20 8239 Los Angeles 2 miles NW of Acton: Sandy wash, S side of intersection Escondido Canyon Road & Red Rover Mine Road 902 Comment
  CAS-BOT-BC97275  Artemisia tridentata subsp. parishii F. A. M. 1931-8-1 3196 Los Angeles Pacoima Wash Comment
  RSA246582  Arthrocnemum subterminale F. R. Fosberg 1931-5-17 S 4886 Los Angeles Little Harbor, Santa Catalina Island. 1 Comment
  RSA719490  Asclepias fascicularis Gary Kovnat, LeRoy Gross 2003-6-28 46 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  RSA226250  Aspidotis californica Gary D. Cromwell, David W. Wheat 1971-4-30 600 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains 2 miles NE of Glendora. 457 Comment
  UCR275491  Aster greatae D. E. Bramlet 2011-8-26 4943 Los Angeles San Gabriel Mountains, Big Tujunga Canyon, near Big Tujunga Reservoir 662 Comment
  UCR210449  Aster subulatus R. G. Swinney 2008-12-2 9930 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  RSA5896  Aster subulatus var. ligulatus C. B. Wolf 1932-9-16 4118 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  UCR154360  Astragalus didymocarpus A. C. Sanders 2005-5-5 29906 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  UCR127024  Astragalus didymocarpus var. didymocarpus Mark A. Elvin, Cathleen Weigand 2003-4-8 2460 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, ridge between Hasley and Castaic Creeks 351 Comment
  RSA632830  Astragalus douglasii R. F. Thorne, A. C. Gibron, J. P. Simon, D. J. McGillivray 1970-4-17 39483 Los Angeles Mojave Desert: Ca. 2 miles south of Highway 138, 8 miles ESE of Pearblossom on Grandview Canyon Road. 1188 Comment
  RSA498266  Astragalus douglasii var. douglasii Geo C. Johnstone 1928-4-28 s.n. Los Angeles Canyon N of Big Pines. Comment
  RSA507524  Astragalus gambelianus L. C. Wheeler 1967-5-18 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  RSA615517  Astragalus gambelianus L. C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Saddle on ridge south of mouth of Big Dalton Canyon. 480 Comment
  UCR189702  Astragalus lentiginosus R. G. Swinney 1998-7-10 6362 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1573 Comment
  UCR65530  Astragalus nevinii Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-29 801- 01 Los Angeles South Channel Islands, San Clemente Island, main dune area at Darter Road. NW part of island Comment
  SEINET948572  Astragalus nigrescens G. B. Grant 1903-1 75 -a Los Angeles Sangus Comment
  SFV16006  Astragalus pachypus var. pachypus C. L. Michaels 1994-4-17 s. n. Los Angeles San Gabriel Mountains Gorman, 0.1 miles north of Smoky Bear Road on Copco Road. Comment
  HSC46497  Astragalus traskiae M. B. Dunkle 1940-3-17 7405 Los Angeles Santa Barbara Island Comment
  SEINET4044530  Astragalus trichopodus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  POM1743  Astragalus trichopodus var. lonchus George B. Grant 1900-3-28 2361 Los Angeles Santa Catalina Island. Comment
  RSA90709  Astragalus trichopodus var. lonchus F. W. Peirson 1908-4-18 7695 Los Angeles Point Fermin Comment
  UC862487  Astragalus trichopodus var. phoxus Alice Eastwood May 27, 1906 - June 10, 1906 249 Los Angeles Roscoe Comment
  RSA9636  Astragalus trichopodus var. phoxus L. C. Wheeler 1931-11-11 345 Los Angeles Garapito Creek, Santa Monica Mtns. 518 Comment
  CATA3044  Athysanus pusillus Amy Catalano 2016-3-22 053 Los Angeles Santa Catalina Island: North of end of first Old Hunting Road along Empire Landing Road between Airport Road and Sheep Chute Road, on east side of ridge 354 Comment
  RSA155816  Atriplex argentea P. H. Raven 1962-7-11 17998 Los Angeles Just south of old airstrip, San Clemente Island Comment
  SEINET3930683  Atriplex canescens subsp. canescens Steve Boyd, L. Raz 1996-10-14 9040 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Ague Dulce Canyon Road.; 0 671 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
  POM213178  Atriplex johnstonii C. B. Wolf 1931-12-30 s.n. Los Angeles Playa del Rey 30 Comment
  POM638  Atriplex lentiformis subsp. breweri I. M. Johnston 1917-6-10 s.n. Los Angeles Playa Del Rey Comment
  POM279018  Atriplex nummularia Grant D. Brown 1949-11-24 448 Los Angeles Playa del Rey. 15 Comment
  SD126140  Atriplex nummularia A. C. Sanders 1987-9-18 7380 Los Angeles El Segundo Dunes, west of Los Angeles International Airport and Pershing Dr. 39 Comment
  CAS-BOT-BC176355  Atriplex parryi Carl B. Wolf 1932-9-15 4084 Los Angeles Mojave Desert. Antelope Valley. 2 blocks W. of center of town of Lancaster 718 Comment
  CAS-BOT-BC176526  Atriplex polycarpa Le Roy Abrams; E. A. McGregor 1908-6-30 511 Los Angeles Lancaster, Antelope Valley Comment
  CATA1813  Atriplex prostrata Benjamin E. Carter 2012-8-23 7000 Los Angeles Santa Catalina Island: Two Harbors at top of Catalina Harbor 1 Comment
  RSA177730  Atriplex semibaccata R. F. Thorne, P. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, near road to Hay Press. 457 Comment
  UC56778  Atriplex semibaccata Ernest Braunton Sep 1902 686 Los Angeles Ballona Comment
  UCR178782  Atriplex semibaccata R. G. Swinney 1989-9-11 s.n. Los Angeles San Gabriel Mtns. Foothills, Glendora, east end of South Hills, at end of High Country Drive 305 Comment
  SFV1080  Atriplex semibaccata M. L. Vincent 1962-12-5 313 Los Angeles Santa Monica Mountains 0.5 miles west of Cold Canyon Road on Mulholland Highway. Comment
  RSA478350  Atriplex subspicata M. B. Dunkle 1930-7-23 2440 Los Angeles Little Harbor, Santa Catalina Island. Comment
  SD107824  Atriplex triangularis Robert F. Thorne 1974-9-13 45092 Los Angeles Santa Catalina Island; along east side of inner Catalina Harbor. 0 Comment
  SBBG19207  Atriplex watsonii M. A. Piehl 1963-12-8 631103 a Los Angeles near shore at mouth of Horse Beach Cyn, E base China Pt 2 Comment
  RSA385384  Avena barbata H. L. Bauer 1928-10-12 s.n. Los Angeles Long Beach. Comment
  UCR198397  Avena barbata Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 756 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  RSA0036154  Avena fatua A. C. Sanders 1988-2-3 7607 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  RSA534155  Avena fatua Timothy S. Ross 1991-5-17 5052 Los Angeles San Clemente Island: flats SE of air terminal (New airfield, N end of island). 64 Comment
  RSA716891  Avena fatua LeRoy Gross, Bryan Carey 2006-6-6 s.n. Los Angeles Road suvey for the Forest Service: Lower section of Grass Mountain Road ( 6N04.1) near and north of Bouquet Canyon Road, just west of Lincoln Crest. 1098 Comment
  UCSB6773  Avena fatua Ballard 1954-5-28 Los Angeles Padua Hills, near Claremont 274 Comment
  POM350331  Baccharis emoryi F. R. Fosberg 1930-10-18 4109 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  OBI35593  Baccharis pilularis subsp. consanguinea Rebecca Cicoria 1981-4-24 23 Los Angeles Upper Sepulveda cyn on grassy slopes, Rolling Hills. Comment
  CAS-BOT-BC106760  Baccharis salicifolia A. D. E. Elmer 1902-6-1 3701 Los Angeles Acton Comment
  CHSC99216  Baccharis salicifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1419 Los Angeles South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
  RSA178082  Baccharis salicifolia R. F. Thorne, J. Henrickson 1963-5-5 32312 Los Angeles Upper part of Cobal Canyon, foothills of San Gabriel Mts., ca. 4 miles N of Claremont. 518 Comment
  SFV6211  Baccharis salicifolia R. M. Muran 1974-2-2 7 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  UCR197189  Baccharis salicifolia Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 669 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCR205526  Baccharis salicifolia A. C. Sanders, T. B. Salvato 2009-5-19 36811 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  RSA695659  Baeria chrysostoma Anonymous s.n. Los Angeles Near Covina Comment
  UCR119053  Bassia hyssopifolia Jeremiah George 2000-1 s.n. Los Angeles South Coastal Plains Region, Rancho Palos Verdes Estates, Malaga Cove 1 Comment
  SEINET3245807  Bebbia juncea R. G. Swinney 2009-1 10231 Los Angeles Transverse Range; San Gabriel Mtns.: mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte (Azusa 7.5') 183 Comment
  UC483195  Bergerocactus emoryi L. R. Abrams and I. L. Wiggins 1931-7-6 420 Los Angeles San Clemente Island; San Clemente Island, vicinity of Mosquito Harbor Comment
  IRVC28744  Berula erecta A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25524 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction Santa Clara River Valley 305 Comment
  RSA716482  Berula erecta Scott D. White, Andrea Warniment 2006-7-7 11618 Los Angeles Gorman area, Gorman creek NE of the I-5 Freeway. SE Tehachapi Mts. 1037 Comment
  POM350850  Bidens pilosa F. R. Fosberg 1930-7-3 3099 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  UC55079  Bidens pilosa Miss E. D. Palmer Los Angeles Los Angeles Comment
  SBBG117287  Bituminaria bituminosa S. D. White 2003-10-22 9839 Los Angeles N terminus of Sumac Street, foothills above Sierra Madre 366 Comment
  UCR214593  Bloomeria crocea A. C. Sanders, Dan S. Cooper 2010-4-30 38120 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA367324  Bloomeria crocea var. crocea Geo L. Moxley 1915-5-9 320 Los Angeles East of Occidental College Comment
  RSA601053  Bloomeria crocea var. montana Steve Boyd, Lauren Raz 1997-6-18 9973 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  POM18010  Boechera P. A. Munz 1923-5-26 6860 Los Angeles Rock Creek 1768 Comment
  CATA1793  Bothriochloa barbinodis Benjamin E. Carter, Tony Summers 2012-8-16 6977 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 40 Comment
  UCR71180  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4371 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  CAS-BOT-BC95414  Bowlesia incana E. R. Blakley 1963-12-8 6389 Los Angeles San Clemente Island, canyon head above Mosquito Cove and btwn. Triangulation Points Malo and Chenity 274 Comment
  SD60387  Boykinia rotundifolia Peter H. Raven 1961-10-1 16779 Los Angeles San Gabriel Mountains, upper Evey Canyon, shaded walls of narrow gorge 914 Comment
  JEPS53253  Brassica rapa Frank W. Peirson 1919-1-26 306 Los Angeles hills w. Rubio Canyon (San Gabriel Mts.); San Gabriel Mts. 579 Comment
  LA210055  Brassica rapa John O'Leary; 1950-7-6 Los Angeles Santa Monica Mountains, UCLA campus 121 Comment
  CAS-BOT-BC100426  Brickellia californica Timothy S. Ross; Steve Boyd 1994-9-20 8262 Los Angeles Lower Spunky Canyon: this stretch draining SSE, exiting into Bouquet Reservoir. Green Valley 7.5' USGS Quadrangle 934 Comment
  LA31688  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-9-27 14550 Los Angeles SANTA MONICA MOUNTAINS, Latigo Canyon Road, 1.0 mi E of Newton Canyon. 563 Comment
  UCR273196  Brickellia californica R. G. Swinney 2011-10-25 15865 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
  UCR95761  Brickellia californica Lauren Raz, Steve Boyd 1996-10-23 026 Los Angeles Liebre Mtns, Entrance to Ruby Canyon on FS Rd 6N24, 1/10 mi from junction with Lake Hughes Road 610 Comment
  LA31690  Brickellia nevinii Peter H. Raven; 1959-10-25 14703 Los Angeles Santa Monica Mountains, Encinal Canyon, Mulholland Hwy, 4.4 mi NE of Pacific Coast Hwy 243 Comment
  PASA2165  Brickellia nevinii Frank W. Peirson September, 1918 Los Angeles Near foot of Mt. Wilson Toll Road 396 Comment
  RSA737077  Brickellia nevinii Scott D. White, Justin M. Wood 2008-10-7 12556 Los Angeles San Gabriel Mountains: San Gabriel River- West Fork, between Bear Creek and Rincon Red Box Rd. 549 Comment
  SEINET186295  Brodiaea capitata var. pauciflora I. W. Clokey, R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon. 1600 Comment
  RSA251488  Bromus arizonicus R. F. Thorne 1973-4-12 42940 Los Angeles San Clemente Island: Pyramid Cove at S end of island near small point between Triton and Thresher. 6 Comment
  CAS-BOT-BC520381  Bromus berteroanus Steve Boyd; Gary Wallace 2011-4-14 12308 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  RSA736231  Bromus carinatus var. carinatus Scott D. White, Justin M. Wood 2008-5-8 11944 Los Angeles SCE powerline corridor, E of Fullerton Rd. and S of Pathfinder, above Rowland Heights. 213 Comment
  UC816137  Bromus carinatus var. carinatus F. R. Fosberg 1931-4-14 S 4608 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Eagles Nest Eagles Nest; Santa Catalina Island, Middle Ranch Canyon, Eagles Nest 180 Comment
  UCD58343  Bromus catharticus Gordon Pilone 1960-11-23 66 Los Angeles First orange grove north of Foothill Blvd. on Indian Hill Blvd. in Claremont. San Gabriel Mountain Range. 390 Comment
  CATA1056  Bromus diandrus Mark L. Hoefs 1995-5-10 1989 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  CATA1058  Bromus diandrus Mark L. Hoefs 1995-5-10 1991 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail, above #7 tee of golf course 97 Comment
  UC1131179  Bromus diandrus H. A. Jensen 1933-4-10 285 Los Angeles Hollywood Lake 243 Comment
  UC816459  Bromus diandrus Agnes Chase Apr 12 1910-Apr 15 1910 5540 Los Angeles s of Playa del Rey Comment
  CAS-BOT-BC155592  Bromus grandis W. A. Silveus 1938-6-1 2754 Los Angeles Mount Wilson Observatory. Comment
  POM175426  Bromus grandis Joseph A. Ewan 1930-6-23 2637 Los Angeles 1 mile above Coldbrook Camp, N. Fork San Gabriel River, San Gabriel Mountains. 1220 Comment
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Jun 20 2014
  RSA0097181  Bromus hallii R. G. Swinney 2011-6-1 14966 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.1-0.3 mile east-southeast of Colby Lodge, along Camp Colby Trail, toward FS Rd 12W052, southeast of Coldwater Canyon headwaters 1061 Comment
  RSA0085035  Bromus hordeaceus R. G. Swinney 2010-4-30 12444 Los Angeles Near Sylmar, Wilson Canyon Park, c. 0.7 miles east of Wilson Cyn. Debris Basin in the southernmost of the two east forks of Wilson Cyn. 537 Comment
  UCR197169  Bromus hordeaceus Valerie Soza, LeRoy Gross 2001-5-9 1195 C Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  POM364030  Bromus hordeaceus subsp. molliformis C. Epling 1931-04 s.nn. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  RSA0113210  Bromus madritensis Steven A. Junak 2000-5-19 SCa- 1320 Los Angeles Santa Catalina Island. N0facing slope overlooking Button Shell Beach, on N side of ridge between Button Shell Camp & White's Landing, just W of powerline route. 229 Comment
  CAS-BOT-BC161865  Bromus rubens Barbara Shervanick 1974-3-22 1162 Los Angeles San Gabriel Mountain Range. Santa Ana River. North fork of Lodi Canyon. 792 Comment
  RSA656162A  Bromus rubens Joseph M. Keefe 1978-4-20 22726 Los Angeles South east corner of Golden State Freeway (Interstste Hwy. 5), and Ventura Freeway (Calif. Hwy. 134),400 meters west of Los Angeles River. 140 Comment
  SBBG44381  Bromus rubens G. Sphon, D. Hearn -May-1956 23 Los Angeles Black Butte Comment
  SD185081  Bromus sterilis A. C. Sanders 2005-5-11 30157 Los Angeles Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd. 609 Comment
  RSA717058  Bromus tectorum Andrea Edwards, Pam De Vries 2006-4-11 68 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  UCD59863  Bromus tectorum Daryl Koutnik 1978-3-23 132 Los Angeles North side of State Hwy. 18 and just west of Llano. 975 Comment
  RSA0019995  Bromus tectorum Donald Tahara 1975-5-25 70 Los Angeles Off Angeles Crest Hwy., near Brown Canyon Comment
  SBBG108133  Cakile maritima S. L. Crockett, S. Schueller 1997-3-20 595 Los Angeles NE corner of Ben Weston Beach, ca. 100 m from ocean Comment
  SD69466  Cakile maritima Robert F. Thorne 1966-4-6 35897 Los Angeles Santa Catalina Island; Beach at White's Landing. Comment
  RSA0038711  Calandrinia breweri R. G. Swinney 2010-3-22 12004 Los Angeles West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  RSA733726  Calandrinia breweri R. G. Swinney 2000-5-6 7670 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  RSA569918  Calandrinia ciliata Timothy S. Ross, Steve Boyd, Laurel Arnseth 1991-4-29 4829 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna 1119 Comment
  RSA0035043  Calandrinia ciliata var. menziesii Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga. 304 Comment
  UCD102984  California macrophylla A. C. Sanders; Tricia Wotipka, Mark A. Elvin, et al. 2003-4-29 26152 Los Angeles Western San Gabriel Mtns; Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Rd. 488 Comment
  CAS-BOT-BC80413  Calocedrus decurrens J. H. Thomas 1957-3-7 6494 Los Angeles San Gabriel Mts., about 1 mile beyond Charlton Flat; about 13 miles NE of Pasadena 1493 Comment
  OBI70992  Calocedrus decurrens Larry Kelly, David J. Keil 1989-4-21 355 Los Angeles Along Big Pine hwy Comment
  NY30086  Calocedrus decurrens T. S. Ross 1994-9-21 8319 Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC487471  Calochortus albus LeRoy Abrams 1902-7-1 2620 Los Angeles Little Santa Anita Canon, San Gabirel Mts. Comment
  POM1718  Calochortus catalinae Le Roy Abrams 1901-4-3 1266 Los Angeles Santa Monica Mountains. Comment
  RSA654223  Calochortus catalinae Valerie L. Soza, Ian Gillespie, LeRoy Gross 2000-5-18 945 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, SW of Johnstone Peak, above Wildwood Canyon. 655 Comment
  UC56965  Calochortus catalinae H. M. Hall 1902-5-11 3263 Los Angeles Sierra Santa Monica Comment
  RSA0114766  Calochortus clavatus var. gracilis Anuja Parikh, Nathan Gale 2003-4-19 1741 Los Angeles WTR, N of Santa Clara River, 1 km E of intersection of Bouquet Canyon Road and Newhall Ranch Road. 405 Comment
  SEINET269177  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts W of San Fernando Rd. I-5 Fwy SW of interchange w/SR 14 Fwy Sunshine Cyn 457 Comment
  RSA377425  Calochortus plummerae Geo L. Moxley 1913-6-15 158 Los Angeles SE shoulder of Poppy Peak, Ammandale. Comment
  POM351395  Calycadenia tenella Fordyce Grinnell Jr. 1910-5-5 s.n. Los Angeles Arroyo Seco near Pasadena 365 Comment
  SBBG58091  Calystegia macrostegia R. Hoffmann 1928-7-9 Los Angeles Elizabeth Lake Comment
  UCR239611  Calystegia macrostegia Dan S. Cooper 2012-8-6 812- 53 Los Angeles Western Transverse Range; Santa Monica Mountains, Las Flores Canyon along Gorge Rd. 116 Comment
  RSA0119751  Calystegia macrostegia subsp. arida R. G. Swinney 2014-5-15 16517 Los Angeles San Gabriel Mountains; Azusa Peak, 0.06 miles s. of Glendora Ridge Mtwy., 1.34 mi. due east of Hwy. 39, 0.15 miles e. of north Garcia Trailhead, in Colby Fire burn area of Jan. 2014. 625 Comment
  RSA660902  Calystegia macrostegia subsp. macrostegia Ann Williams 1992-5-14 2 -92 Los Angeles End of Canyon Dr., .2 miles off Penn St. and 100 yds. E of Whittier College track. 152 Comment
  POM184691  Calystegia occidentalis subsp. fulcrata Joseph A. Ewan 1932-6-17 7351 Los Angeles Long canyon of Arroyo Seco 1098 Comment
  RSA602314  Calystegia occidentalis subsp. fulcrata Steve Boyd, Lauren Raz 1997-6-17 9947 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  CAS-BOT-BC215906  Calystegia peirsonii W. R. Dudley 1896-6-8 4372 Los Angeles Near Neenach, Antelope Valley Comment
  RSA572929  Calystegia peirsonii J. Mallory 1994-6-13 6387 A-01 Los Angeles On N-facing slope, approx. 100m W of office facilities parking lot and 50 m S of elderberry stand, LB naval Fuel Depot, W of Gaffey, Long Beach. Comment
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Aug 11 2014
  RSA762257  Calystegia peirsonii Orlando Mistretta, Christine Mistretta 2008-5-2 2599 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 42 per TRTP survey, 2008), in the vicinity of Ritter Ridge. 1021 Comment
  LA211074  Calystegia purpurata subsp. purpurata Arthur C. Gibson; 2010-1-28 5276 Los Angeles SANTA MONICA MOUNTAINS, Route 23 just above SMMNRA Hennessy property. Comment
  UCR270018  Camissonia R. G. Swinney 2010-3-24 12053 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
  RSA465682  Camissonia bistorta T. S. Clare 1929-2-25 s.n. Los Angeles Santa Monica Mountains, Santa Monica Canyon Comment
  RSA72206  Camissonia bistorta F. W. Peirson 1918-5-26 129 Los Angeles San Gabriel Mountains, Henni[n]gers Flat Comment
  UCR126583  Camissonia bistorta A. C. Sanders 2003-5-22 26825 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  UCR149791  Camissonia bistorta Scott D. White, Pam Devries 2004-5-18 10440 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  RSA465662  Camissonia bistorta E. A. Purer, F. Detmers 1931-3-12 s.n. Los Angeles El Segundo. Comment
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Nov 21 2019
  RSA191128  Camissonia californica Robert F. Thorne, M. Z. Thorne 1967-6-25 37099 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  UCR108653  Camissonia californica L. C. Wheeler 1967-5-18 9615 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR14585  Camissonia campestris George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns., Calif. Hwy 2, 2 miles SW of Calif. Hwy 138, beside Sheep Creek 1524 Comment
  RSA252889  Camissonia campestris subsp. campestris Robert F. Thorne 1973-5-11 43562 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA454725  Camissonia campestris subsp. campestris Christopher Davidson 1973-4-1 1882 Los Angeles Mojave Desert, 1 mile S of Littlerock. 762 Comment
  POM3350  Camissonia cheiranthifolia subsp. suffruticosa D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Along beach, Santa Monica Comment
  RSA611839  Camissonia claviformis Steve Boyd, Valerie Soza 1998-4-28 10173 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA449208  Camissonia claviformis subsp. claviformis Anstruther Davidson 1930-1 s.n. Los Angeles Lancaster Comment
  UCR184105  Camissonia graciliflora A. C. Sanders, T. B. Salvato 2007-4-24 33485 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  UCR225771  Camissonia graciliflora Dave Silverman, Cindy Hopkins 2007-4-27 6786 Los Angeles Tejon Ranch, north of Oso Canyon, 2.8 km due west of CA Aqueduct, 1.3 km south of Kern Co. line, 1.4 km south of National Cement Plant 1062 Comment
  RSA659807  Camissonia guadalupensis subsp. clementina Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-4 103 Los Angeles San Clemente Island. Comment
  RSA609267  Camissonia hirtella Louis C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA733357  Camissonia hirtella A. C. Sanders 2003-4-28 26136 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  UCR252567  Camissonia hirtella R. G. Swinney 2010-5-11 12664 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
  POM196707  Camissonia intermedia Bonnie C. Templeton, I. W. Clokey 1929-4-11 4458 Los Angeles Mandeville Canon, Santa Monica Mts. 366 Comment
  RSA449022  Camissonia micrantha Freda Detmers 1929-4-24 s.n. Los Angeles Los Angeles. River Bed. Comment
  UCR205689  Camissonia micrantha A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36916 Los Angeles San Gabriel Valley, San Gabriel River floodplain, Whittier Narrows Nature Center and east to Peck Rd. along the SCE powerlines and the river levee 70 Comment
  UCR65192  Camissonia micrantha F. R. Fosberg 1931-3-20 S- 04315 Los Angeles Santa Catalina Island, Mouth of Hamilton Canyon 2 Comment
  RSA590916  Camissonia pallida subsp. pallida Orlando Mistretta 1994-4-12 1006 Los Angeles San Gabriel Mountains, Little Rock Creek. Slopes E of Little Rock Reservoir. 1006 Comment
  HSC101299  Camissonia strigulosa R. G. Swinney 2009-4-24 10486 Los Angeles Transverse Ranges; San Gabriel Mtns. / Mojave Desert: Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0119027  Camissonia strigulosa A. C. Sanders, T. B. Salvato 2007-4-25 33553 Los Angeles Tehachapi Mtns.: Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines. 1174 Comment
  SDSU3314  Camissoniopsis bistorta H. Wedberg 1958-5-1 562 Los Angeles About 1/4 mile east of Killgore Street, Playa del Rey. 32 Comment
  UC1584248  Camissoniopsis bistorta Tim Ross and Steve Boyd 1990-6-6 2825 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad., San Francisquito Canyon 926 Comment
  LA200692  Camissoniopsis cheiranthifolia subsp. suffruticosa Harlan Lewis; 1940-4-3 1278 Los Angeles Santa Monica Mountains, 10 mi. N of Malibu Beach Comment
  SBBG13083  Camissoniopsis guadalupensis subsp. clementina E. R. Blakley 1962-6-10 5254 Los Angeles large beach dunes near Wall 2 9 Comment
  UC874077  Camissoniopsis hirtella I. W. Clokey and B. C. Templeton 1930-4-8 4691 Los Angeles San Francisquito Canyon 900 Comment
  CAS-BOT-BC160531  Camissoniopsis lewisii H. Wedberg 1957-4-1 13 Los Angeles On Point Dume Comment
  SBBG61362  Camissoniopsis micrantha M. N. Ackley -Feb-1928 766 Los Angeles Eagle Rock 182 Comment
  JEPS51657  Canbya candida Frank W. Peirson 1921-5-19 2412 Los Angeles San Gabriel Mountains, Little Rock Creek, North Slope Cajon Pass North Slope Cajon Pass; San Gabriel Mountains, Little Rock Creek 1036 Comment
  SFV14550  Cannabis sativa V. E. Rudd Nov 1983 3669 Los Angeles San Fernando Valley Los Angeles, Reseda. 225 Comment
  RSA592140  Capsella bursa-pastoris L. C. Wheeler 1967-4-30 9207 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA719927  Capsella bursa-pastoris R. G. Swinney 1998-2-16 5900 Los Angeles mouth of San Gabriel River about 100-350 m north of Foothill Blvd. east bank. 183 Comment
  OBI35611  Capsella bursa-pastoris Rebecca Cicoria 1981-4-24 19 Los Angeles Near intersection of Crest Rd and Portuguese Bend rd, Sepulveda Cyn,along trl, Rolling Hills Comment
  RSA595522  Capsella bursa-pastoris L. C. Wheeler 1969-4-19 s.n. Los Angeles San Gabriel Mountains. Placerita Canyon 457 Comment
  SBBG31244  Cardamine californica R. F. Thorne 1966-4-7 35962 Los Angeles bottom of cyn, Cherry Valley 60 Comment
  UCR190264  Cardamine californica R. G. Swinney 2000-5-21 7775 Los Angeles San Gabriel Mtns., NE of Azusa, Rincon Canyon, 0.6 air mi. SW of Hwy 39 at Rincon Station 610 Comment
  RSA89049  Carduus nutans George W. Garrettson 1954-7-9 s.n. Los Angeles Rancho San Vicente at La Puente and Lemon Streets, Walnut. Comment
  CATA1391  Carduus pycnocephalus Mark L. Hoefs, Steven A. Junak, Allan Fone 1995-11-8 2529 Los Angeles Santa Catalina Island: Below airport runway, by Buffalo Springs Reservoir 438 Comment
  RSA674587  Carduus pycnocephalus Scott D. White 2000-5-6 7779 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  UCR209606  Carex R. G. Swinney 2008-7-2 9144 Los Angeles San Gabriel Mtns., north of Buckhorn Flat Campground at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon 1939 Comment
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Sep 12 2018
  SEINET3897006  Carex alma A. C. Sanders, Mark A. Elvin 2002-6-19 25147 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just sourht of Santa Clara River (Val Verd 7.5').; 0 305 Comment
  CAS-BOT-BC17667  Carex alma D. E. Breedlove 1961-8-7 926 Los Angeles 3 miles north of Wrightwood on road to Valyermo. 1828 Comment
  SEINET7549334 Image available Carex alma Louis C. Wheeler 1946-5-19 6223 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  SEINET7549358 Image available Carex alma Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3001 Los Angeles San Gabriel Mountains. Big Rock Creek: just above the confluence of Holcomb Canyon Creek, between Big Rock Creek Road and the mouth of Holcomb Canyon. 1254 Comment
  UC825541  Carex globosa Louis C. Wheeler 1932-7-2 897 Los Angeles Browns Flat-Fern Canyon water trail San Gabriel Mts. 1219 Comment
  RSA286785  Carex heteroneura var. heteroneura Robert F. Thorne 1974-6-28 44750 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  CAS-BOT-BC118419  Carex praegracilis LeRoy Abrams 1903-4-10 3239 Los Angeles Ballona Marshes near Mesmer Comment
  POM155896  Carex praegracilis Phillip A. Munz, L. T. Street, G. Williams 1919-3-15 2411 Los Angeles Pomona. Creek in South Hills, Comment
  UCR180151  Carex praegracilis Scott D. White, Andrea Warniment 2006-7-7 11613 Los Angeles SE Tehachapi Mtns, Gorman area, Gorman Creek NE of the I-5 Freeway 1098 Comment
  RSA597737  Carex rossii Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3793 Los Angeles San Gabriel Mountains. Natural depression SSW of Crystal Lake 1692 Comment
  JEPS48989  Carex schottii Joseph Andorfer Ewan 1932-6-16 72814 Los Angeles Carex meadow about one mile below Clearlton Flats, Pine Mountain Region, Lower Traus Zone 1524 Comment
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Sep 30 2014
  UC837149  Carex schottii I. M. Clokey, C. B. Clokey, B. C. Templeton 1930-5-13 4613 Los Angeles Bouquet Canyon 450 Comment
  SEINET11434596  Carex spissa Unknown 1930-1 Los Angeles Monrovia Canyon Comment
  JEPS45921  Carex subfusca Frank W. Peirson 1922-7-5 4265 Los Angeles Big Pines San Gabriel Mts., Big Pines 2072 Comment
  RSA228992  Carex subfusca Robert F. Thorne 1971-8-25 41294 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  UC905020  Carex subfusca John Thomas Howell 1947-7-18 23431 Los Angeles Big Pines San Gabriel Mts. 2103 Comment
  CAS-BOT-BC116601  Carex subfusca Frank Warrington Peirson 1922-7-21 4267 Los Angeles North slope of Baldy San Gabriel Mts. 2987 Comment
  RSA610535  Carex triquetra L. C. Wheeler 1936-4-21 4097 Los Angeles San Dimas Wash. 366 Comment
  SD69662  Carex triquetra Robert F. Thorne, Reed Rollins, D. Prost, R. Carolin 1967-3-18 36752 Los Angeles Santa Catalina Island, lower end of Bullrush Canyon, dry open grassy bank. 182 Comment
  SD90280  Carex tumulicola Robert F. Thorne 1973-4-11 42804 Los Angeles San Clememte Island; in moist gully leading into Middle Ranch Canyon. 427 Comment
  RSA488447  Carpobrotus chilensis D. Propst 1977-9-4 s.n. Los Angeles Santa Catalina Island, south of Ben Weston Beach at southwest tip of island 9 Comment
  SEINET269135 Image available Carpobrotus edulis Scott D. White 1995-1 2569 Los Angeles Upslope from Winter Canyon near Pepperdine Univ.; N of Pacific Coast Hwy. E of Malibu Cyn. Rd. SW of Malibu Civic Cen 91 Comment
  RSA681335  Casimiroa tetrameria LeRoy Gross, Valerie Soza 2003-5-15 917 Los Angeles Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave., Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. 366 Comment
  UCR3673  Castanospermum australe Scarlet Hunt 1970-10-22 s.n. Los Angeles Arcadia, a canyon north of the city 569 Comment
  POM155576  Castilleja affinis M. B. Dunkle 1928-4-11 1846 Los Angeles Emerald Bay, Santa Catalina Island. 30 Comment
  RSA161236  Castilleja affinis Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, above Emerald Bay. 122 Comment
  RSA716667  Castilleja affinis Scott D. White, Pam De Vries 2006-5-10 11450 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  POM7655  Castilleja affinis C. F. Baker 1904-5-6 4745 Los Angeles Hills near Pomona Comment
  UCR163460  Castilleja exserta B. G. Pitzer 1998-5-23 3717 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment
  UCR187265  Castilleja exserta A. C. Sanders 2006-4-18 32098 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 2 miles due north of the west end of Quail Lake 1037 Comment
  VVC1944  Castilleja exserta P. J. MacKay, T. Thomas 2005-4-16 2191 Los Angeles Antelope Valley, Poppy Preserve State Park, north west of visitor center. 861 Comment
  SBBG50972  Castilleja exserta J. Doty 1969-4-19 626 Los Angeles E side of Bouquet Cyn Rd, 6.9 mi N of jct with Francisquito Cyn Rd 487 Comment
  SBBG68629  Castilleja exserta subsp. exserta R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  POM147409  Castilleja exserta subsp. exserta Thos. Craig 1927-6-19 476 Los Angeles Between Acton and Ravenna. Comment
  LA52017  Castilleja foliolosa Harlan Lewis; 1940-2-4 1059 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak 670 Comment
  UC1063296  Castilleja foliolosa A. D. Gifford 1935-4-10 555 Los Angeles 6.75 mi nw Redrock Mountain; Angeles National Forest, Tejon Quad. 1097 Comment
  POM4455  Castilleja miniata subsp. miniata I. M. Johnston 1917-7-28 1527 Los Angeles San Antonio Mountains. N Fork San Antonio Canyon (Old Gold Ridge Mine) 2439 Comment
  RSA0013473  Castilleja minor subsp. spiralis Orlando Mistretta, Youssef Atallah 2011-8-16 6045 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA652661  Castilleja minor subsp. spiralis Marion P. Harthill 1972-4-8 639 Los Angeles [San Gabriel Mountains] Azuza Canyon, Angeles National Forest 457 Comment
  RSA702178  Castilleja minor subsp. spiralis Scott D. White 2004-8-20 10734 Los Angeles San Gabriel Mountains: Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  LA209231  Castilleja plagiotoma Elizabeth Grant; 1937-5-8 sn Los Angeles Mint Canyon Comment
  RSA587110  Castilleja plagiotoma Orlando Mistretta 1995-4-21 1629 Los Angeles Little Rock Creek. Un-named canyon draining the west slopes of Little Rock Creek canyon 0.5 mi. N of Kitter Canyon 1052 Comment
  SBBG118771  Castilleja subinclusa subsp. subinclusa L. Gross with P. Morton 2004-6-10 1378 Los Angeles E end of the main crest; Rd 7N23, E to W from jct with Atmore Meadows Rd (7N19) along Sawmill Mtn to Burnt Pk Rd (7N23A): T7N R16W S8,9,16,15 1590 Comment
  SBBG66952  Castilleja subinclusa subsp. subinclusa R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SD181647  Caulanthus amplexicaulis Orlando Mistretta 1993-6-2 863 Los Angeles San Gabriel Mountains: Along road to Vincent Mine. 2009 Comment
  UCR282045  Caulanthus cooperi R. G. Swinney 2014-4-24 16202 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA531109  Caulanthus cooperi Robert Gustafson, Gary D. Wallace 1982-4-26 2556 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 975 Comment
  SBBG129109  Caulanthus coulteri S. Leatherman, J. Pareti 2014-4-17 Los Angeles Castaic Lake area in the Grasshopper Cyn Watershed, E of Interste 5 and W of the Castaic Lake Dam 1370 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
  CATA3088  Caulanthus lasiophyllus Amy Catalano, Steven Junak 2016-4-28 094 Los Angeles Santa Catalina Island: North of Water Tank Road, at end of spur road leading to old bow hunting camp 299 Comment
  SD87544  Caulanthus major F. W. Peirson 1922-7-5 Los Angeles Le Montaine summit at head of Le Montaine Creek. 2135 Comment
  CAS-BOT-BC47902  Ceanothus arboreus Reid Moran 1941-2-23 607 Los Angeles Santa Catalina Island - Ridge between Johnson's Valley and Howland's Valley 121 Comment
  LA83279  Ceanothus cordulatus O. H. Kappler; 1946-5-30 1195 Los Angeles San Gabriel Mountains, Los Angeles County Park, Wrightwood 2042 Comment
  UC1070993  Ceanothus cordulatus H. A. Jensen 1933-3-24 276 Los Angeles Mount Islip Rock Creek quad, Angeles National Forest 2438 Comment
  UCR43332  Ceanothus cordulatus David Charlton 1986-6-15 222 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  CAS-BOT-BC48753  Ceanothus crassifolius Alice Eastwood 1919-5-29 8976 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC48755  Ceanothus crassifolius C. H. M.; V. B. 1907-10-20 1343 Los Angeles San Pasqual Canyon Comment
  RSA585545  Ceanothus crassifolius Tim S. Ross 1992-4-21 6227 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA650507  Ceanothus crassifolius Harold Lint, Dunn 1948-3-10 316 Los Angeles San Gabriel Cyn. above Res. #1. Comment
  CAS-BOT-BC49265  Ceanothus cuneatus Carl B. Wolf; E. Norland 1941-7-1 11244 Los Angeles Rancho Santa Ana Botanic Garden - Prop. #4226 - Origin of propataion material - 6 3/10 mi. W. of Palmdale 883 Comment
  POM8770  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC49263  Ceanothus cuneatus C. F. Baker 1909-2-15 5237 Los Angeles unspecified Comment
  RSA773907  Ceanothus greggii R. G. Swinney 2009-7-22 11298 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  UC1070654  Ceanothus greggii var. vestitus H. A. Jensen 1933-5-18 3000 Los Angeles Arrastre Canyon 1219 Comment
  UCR223301  Ceanothus leucodermis R. G. Swinney 2009-7-29 11425 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  RSA754007  Ceanothus leucodermis Doug Tolbert, David W. Foster 1970-5-8 700508 -01 Los Angeles Angeles National Forest: 1 miles W of junction of State Route 2 and Los Angeles Co. Route N2. 915 Comment
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Jul 24 2015
  RSA399101  Ceanothus megacarpus Tema Shults 1929-3-10 s.n. Los Angeles Topanga Canyon. Comment
  RSA583080  Ceanothus megacarpus var. insularis Tim S. Ross 1993-4-22 6888 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  LA43626  Ceanothus megacarpus var. megacarpus A. M. Johnson; 1928-2-16 2777 Los Angeles Santa Monica Mountains, Griffith Park Comment
  CAS-BOT-BC50484  Ceanothus oliganthus Henry J. Thompson 1959-3-27 1890 Los Angeles Santa Monica Mountains - Saddle Mountain - 1.5 miles east of peak 731 Comment
  CAS-BOT-BC50492  Ceanothus oliganthus John Thomas Howell 1930-5-18 5173 Los Angeles Pacoima Canyon, San Gabriel Mountains Comment
  LA25934  Ceanothus spinosus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA19639  Ceanothus spinosus I. W. Clokey, Bonnie C. Templeton 1929-03 4438 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  RSA398946  Ceanothus spinosus Gale Sphon 1955-4-2 s.n. Los Angeles 3.1 mi. west of Beverly Glen on Mulholland Dr. Comment
  RSA599192  Ceanothus spinosus Scott D. White 1997-3-12 4742 Los Angeles Zuma Beach; mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SD37636  Ceanothus spinosus Edith A. Purer 1935-5-11 6564 Los Angeles Hillside, Malibou Road, Santa Monica Mountains Comment
  SFV9208  Ceanothus spinosus N. J. Manuwal 1972-3-5 169 Los Angeles Santa Monica Mountains Topanga Canyon. Comment
  SD2993  Ceanothus tomentosus Ruth Randall July 1931 Los Angeles Big Pines Comment
  LA211132  Cedrus deodara Arthur C. Gibson; 2011-7-10 5349 Los Angeles SANTA MONICA MOUNTAINS, SMMNRA Rocky Oaks. Comment
  RSA188093  Centaurea cineraria R. F. Thorne 1966-4-28 36239 Los Angeles Santa Catalina Island. Wrigley Drive near Avalon. 91 Comment
  UCR174531  Centaurea melitensis Jennifer H. Jones 2006-6-4 373 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns., SW of Claremont Wilderness Park near the W end of Pomello Drive. Dirt continuation of Pomello Drive across flood control channel. 476 Comment
  SFV16922  Centaurea melitensis G. Beall 1997-5-9 20 Los Angeles Santa Monica Mountains Mulholland Highway, 1 mile east of Malibu Canyon Road. Comment
  RSA3520  Centaurium venustum Carl B. Wolf 1932-5-9 6796 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island. 30 Comment
  RSA607828  Centaurium venustum Louis C. Wheeler 1947-7-4 6539 Los Angeles San Gabriel Mountains: El Prieto Canyon, off Millard Canyon. Comment
  UCR161195  Centromadia pungens subsp. pungens T. B. Salvato, Melissa Clemons 2005-9-27 1242 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
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Jan 8 2013
  RSA567162  Centrostegia thurberi Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3898 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  SBBG62323  Centrostegia thurberi R. Hoffmann 1929-5-19 Los Angeles Harold Comment
  UC635057  Centrostegia thurberi var. thurberi Margaret Stason 1927-5-14 Los Angeles near Palmdale (Mohave Desert); Mohave Desert Comment
  POM308939  Cerastium glomeratum Kay H. Beach 1944-9-11 690 Los Angeles Tanbark Flat ; Lysmiter area, San Dimas Experimental Forest 762 Comment
  UCR147603  Ceratophyllum demersum L. C. Wheeler 1946-8-24 6232 Los Angeles Transverse Ranges: San Gabriel Mountains, Crystal Lake 1677 Comment
  POM275798  Cercocarpus betuloides Floyd L. Martin 1948-8-3 359 Los Angeles 100 yds. N. of Foothill Blvd. road to Camp Baldy, east of Claremont. 366 Comment
  UCR223255  Cercocarpus betuloides R. G. Swinney 2009-5-20 10835 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  CAS-BOT-BC142118  Cercocarpus betuloides var. betuloides Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  LA52111  Cercocarpus betuloides var. betuloides C. & M. Epling; 1925-4-25 Los Angeles Santa Monica Mountains, Griffith Park Comment
  RSA453267  Cercocarpus betuloides var. betuloides Ron Yee 1979-5-6 102 Los Angeles San Gabriel Mountains, Angeles National Forest 1006 Comment
  SBBG70698  Cercocarpus betuloides var. blancheae F. R. Fosberg 1932-5-6 8122 Los Angeles cyn above Villa Park, Avalon 30 Comment
  RSA498795  Cercocarpus ledifolius Albert J. Perkins 1912-9-8 s.n. Los Angeles Mt San Antonio Trail. 2134 Comment
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Jun 5 2015
  RSA643970  Cercocarpus ledifolius var. intermontanus Victor W. Steinmann 1996-6-17 921 Los Angeles San Gabriel Mountains., ca. 2.5 km (by air) south-southwest of Mt. San Antonio, along Baldy Trail. 2550 Comment
  SEINET7379758 Image available Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  RSA776320  Chaenactis fremontii R. G. Swinney 2009-4-29 10609 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  RSA765194  Chaenactis glabriuscula Justin M. Wood 2010-5-10 1597 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  JEPS32970  Chaenactis glabriuscula var. glabriuscula E. R. Blakley 1958-5-9 2261 Los Angeles hills 2 mi e of Gorman 1097 Comment
  OBI28031  Chaenactis glabriuscula var. glabriuscula David J. Keil, Dirk Walters 1977-4-30 12299 Los Angeles Ridge Rte ca 2 mi S of jctn with Los Angeles County Rd N-2 1280 Comment
  RSA0068254  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2010-3-22 12083 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction. 502 Comment
  RSA596030  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross, J. Mark Porter 1995-5-4 8442 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  UCR271969  Chaenactis glabriuscula var. glabriuscula R. G. Swinney 2011-5-31 14905 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UCSB9511  Chaenactis santolinoides Bacigalupi, Rimo; Robbins, G.; Heckard, L. 1953-6-14 Los Angeles Upper slopes of So. Fork of Little Rock Creek Canyon; San Gabriel Mts., Angeles National Forest 1554 Comment
  POM5990  Chaenactis stevioides Marjorie Shaw, E. S. Spalding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  CAS-BOT-BC279724  Chaenactis xantiana Timothy S. Ross 1995-4-26 8378 a Los Angeles Liebre Mountains. Southwesterly slope of Liebre Mountain along Forest Service Road 7N23; ca 3900 ft SW of Sandberg Triangulation Point (5345 ft.) 1444 Comment
  RSA709678  Chaenactis xantiana LeRoy Gross 2005-4-28 2171 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  POM264747  Chamaesyce albomarginata L. C. Wheeler 1933-4-16 1661 Los Angeles San Pedro Hills (Palos Verdes Hills). 305 Comment
  RSA720184  Chamaesyce maculata LeRoy Gross 2007-3-13 s.n. Los Angeles Southern side of range: Wildwood Canyon. Near 499 Comment
  RSA647907  Chamaesyce maculata LeRoy Gross, Wayne Law 2000-8-8 256 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds., Near N34deg. 16' 02.5'' W118deg. 21' 21.2'' E 337 Comment
  POM9661  Chamaesyce melanadenia P. A. Munz, R. D. Harwood 1920-3-13 3289 Los Angeles San Jose Hills 5 mi. W. of Pomona. 305 Comment
  RSA613023  Chamaesyce serpens L. C. Wheeler 1973-8-11 s.n. Los Angeles El Segundo Avenue and Prairie Street, Hawthorne. Comment
  RSA638244  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1945-8-15 6091 Los Angeles Lake Shangri-la: near El Monte. . Comment
  LA211090  Cheilanthes cooperae Arthur C. Gibson; Tarja Sagar 2011-4-29 5358 Los Angeles SIMI HILLS, Above Dayton Canyon. Comment
  UCR177136  Chenopodium album L. C. Wheeler 1970-8-2 s.n. Los Angeles San Gabriel Mtns, Henninger Flats 793 Comment
  POM228973  Chenopodium ambrosioides L. C. Wheeler 1932-9-9 1364 Los Angeles San Gabriel Mountains: San Antonio Canyon. 1097 Comment
  UC132269  Chenopodium ambrosioides J. and H. W. Grinnell 1906-8-26 368 Los Angeles near Pasadena Comment
  UCR20505  Chenopodium berlandieri P. H. Raven, H. J. Thompson 1959-9-18 14449 Los Angeles Western Transverse Range; Santa Monica Mtns. Foothills, University of California, West Los Angeles 152 Comment
  RSA423271  Chenopodium berlandieri var. sinuatum Louis Greata 1900-9-23 s.n. Los Angeles Garvanza. Comment
  SBBG98073  Chenopodium californicum T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5240 Los Angeles first un-named cyn S of Snake Cactus Cyn (drainage beginning 1420' W of Guds) 152 Comment
  UCD98107  Chenopodium californicum Daryl Koutnik 1978-4-14 358 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  UCR95548  Chenopodium californicum L. C. Wheeler 1967-5-2 9257 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  POM12243  Chenopodium californicum F. L. Robinson 1921-3-16 1 Los Angeles Claremont. 365 Comment
  RSA320812  Chenopodium californicum F. C. Boutin 1967-4-24 1715 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  UCR223149  Chenopodium desiccatum R. G. Swinney 2009-7-22 11333 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  RSA0110267  Chenopodium fremontii R. G. Swinney 2005-8-17 8494 Los Angeles Valyermo, Devil s Punchbowl County Park, Holcomb Canyon south of South Fork Trail 1402 Comment
  RSA608296  Chenopodium leptophyllum L. C. Wheeler 1946-8-29 6320 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout. 2560 Comment
  RSA478535  Chenopodium murale F. R. Fosberg 1931-4-2 S 4458 Los Angeles Santa Catalina Island. Descanso Canyon. 30 Comment
  LA37478  Chenopodium strictum var. glaucophyllum H. Lewis; 1940-8-14 sn Los Angeles Santa Monica Mountains, UCLA campus 60 Comment
  POM199551  Chlorogalum pomeridianum I. W. Clokey, Bonnie C. Templeton 1929-06 4587 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  RSA392787  Chorizanthe parryi var. fernandina Anstruther Davidson 1890-5-11 s.n. Los Angeles Burbank Comment
  SBBG120544  Chorizanthe parryi var. fernandina R. Burgess, P. Munro 2000-5-25 3866 Los Angeles S side of Hwy 126, E of Ventura County line 274 Comment
  UCR265468  Chorizanthe spinosa Jordan Zylstra 2015-6-5 15006 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1015 Comment
  CAS-BOT-BC244663  Chorizanthe staticoides Alice Eastwood 1906-5-27 245 Los Angeles Roscoe Comment
  CAS-BOT-BC244666  Chorizanthe staticoides Samuel B. Parish 1887-6-1 1988 Los Angeles St. Francisquito Canyon [canon] Comment
  IRVC26326  Chorizanthe staticoides A. C. Sanders, Andy Thompson 2003-4-15 26002 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  UC1018183  Chorizanthe staticoides J. Warren 1952-5-27 Los Angeles Las Flores Canyon 548 Comment
  UCD99944  Chorizanthe staticoides Garm Beall 1997-5-9 23 Los Angeles Mullholland Highway, 1 mile east of Malibu Canyon Road. Comment
  UCD99988  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  RSA724456  Chorizanthe staticoides subsp. staticoides K. Dobry 1991-5-22 d- 660 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UCR269119  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-5-2 2601 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 48 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1085 Comment
  UCSC001120  Chrysolepis sempervirens Peter Kamb 1947-9-28 740 Los Angeles ridge west of Mt. Hawkins Mt. Hawkins - San Gabriel Mts. 2438 Comment
  CAS-BOT-BC162781  Chylismia claviformis subsp. claviformis Timothy S. Ross 1991-4-27 4691 Los Angeles Mojave Dersert - ca 0.85 mi W of Three Sisters & 1.2 mi S of Black Butte. Bladed road heading N from Black Butte Basin Road x Avenue 'U' (not on 1968 topo), running northward to the W of BBB Rd for about 1.2 miles, then rejoining it NW of Three Sisters (b 947 Comment
  SD197765  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley: San Gabriel River between Bassett and South El Monte, from Highway 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Avenue public access to San Gabriel River greenway, along Edison powerlines. 71 Comment
  POM352192  Cirsium occidentale var. californicum A. G. Goodwin 1940-05 s.n. Los Angeles Palos Verde Comment
  RSA0091797  Cirsium occidentale var. californicum Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Bouquet Canyon. Comment
  RSA660120  Cirsium occidentale var. californicum Orlando Mistretta 1992-6-12 562 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR186414  Cirsium occidentale var. californicum T. B. Salvato 2007-4-27 2100 Los Angeles Tehachapi Mountains Foothills, Bronco Canyon, c. 0.5 mi above confluence with Pescado Creek 1098 Comment
  UCD130579  Cirsium occidentale var. coulteri Geoffrey Levin 1974-4-27 58 Los Angeles Evey Canyon, a side Canyon of San Antonio Canyon. San Gabriel Mountains, Santa Ana River and Pacific Slope Drainage Area. 731 Comment
  POM53538  Cirsium occidentale var. occidentale C. F. Baker 1904-5-6 4842 Los Angeles Hills near Pomona Comment
  UCR3481  Cirsium occidentale var. occidentale Bob Arthur 1964-5-10 640510- 4 Los Angeles San Gabriel Mountains, Monrovia Canyon, on North Canyon Blvd, 1.5 mi. from gate 610 Comment
  RSA0059662  Cirsium occidentale var. occidentale F. R. Fosberg 1931-4-2 S 4457 Los Angeles Descanso Canyon, Santa Catalina Island. 100 Comment
  RSA600186  Cirsium vulgare L. C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  POM780  Cistanthe monosperma I. M. Johnston 1917-7-31 1397 Los Angeles Head of San Antonio Canyon, upper transition zone 2439 Comment
  RSA199050  Cistus creticus W. M. Gauntt 1966-4-30 174 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 914 Comment
  CAS-BOT-BC172429  Clarkia bottae Geo. B. Grant 1906-6-10 6666 Los Angeles Mt. Lowe, Castle Canyon Trail Comment
  HSC16284  Clarkia bottae David Porter 1965-5-6 Los Angeles .5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA11767  Clarkia bottae E. Lloyd 1933-5-27 s.n. Los Angeles Santa Monica Mountains, Temescal Canyon. Comment
  RSA453456  Clarkia bottae Anstruther Davidson 1889-07 s.n. Los Angeles Foothills. Los Angeles. Comment
  RSA666628  Clarkia bottae A. C. Sanders, D. Malueg 1998-6-22 22055 Los Angeles Little Tujunga Canyon near mile post 12, 3.5 miles south of Bear divide and 1 km (air) W of Dillon Divide. 701 Comment
  UCR124430  Clarkia bottae I. W. Clokey, B. C. Templeton 1929-1 4534 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR246411  Clarkia cylindrica Dan S. Cooper 2011-7-20 711- 98 Los Angeles W Transverse Range/Tehachapi Mtns. Junction, Gorman Ranch, 5.4 km NW of Quail Lake 1386 Comment
  RSA674716  Clarkia dudleyana Scott D. White, Pam DeVries 2000-5-18 7908 Los Angeles San Gabriel Mts: Southern foothills above Irwindale. Fish Creek cyn, from the mouth of the Canyon at CalMat quarry upstream to falls. 305 Comment
  POM147953  Clarkia epilobioides Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  POM3086  Clarkia heterandra W. R. Dudley, F. H. Lamb 1896-6-9 4429 Los Angeles Fir Canon [canyon], Liebre Mts. Comment
  IRVC28382  Clarkia purpurea A. C. Sanders, Tricia Wotipka 2003-4-28 26105 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  LA45554  Clarkia purpurea subsp. quadrivulnera A. M. Johnson; 1932-5-30 4105 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  RSA448284  Clarkia purpurea subsp. quadrivulnera Fordyce Grinnell Jr. 1910-05 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  UC1871295  Clarkia rhomboidea T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3910 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. Comment
  CAS-BOT-BC165512  Clarkia unguiculata Robert F. Thorne; C. W. Tilforth 1971-6-29 40728 Los Angeles San Gabriel Mts., Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Rd. 914 Comment
  UC450787  Clarkia unguiculata Fay A. MacFadden 1931-3-28 77 E Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA0094371  Clarkia xantiana R. G. Swinney 2011-5-31 14922 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
  UCR190407  Claytonia parviflora R. G. Swinney 2000-5-20 7692 Los Angeles San Gabriel Mtns., NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch and north of Hwy 39 756 Comment
  UCR220266  Claytonia parviflora R. G. Swinney 2009-4-24 10499 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  CAS-BOT-BC439511  Claytonia parviflora subsp. parviflora L. R. Abrams 1927-4-30 11705 e Los Angeles Head of Antelope Valley Comment
  CATA1556  Claytonia parviflora subsp. parviflora Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2814 Los Angeles Santa Catalina Island: About halfway into Middle Canyon 286 Comment
  CATA1558  Claytonia perfoliata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2825 Los Angeles Santa Catalina Island: Hillside above New York Harbor 54 Comment
  SFV1196  Claytonia perfoliata K. A. Wilson 1961-2-18 847 Los Angeles Santa Monica Mountains Calabasas. Mulholland Highway. Comment
  CAS-BOT-BC439785  Claytonia perfoliata E. R. Blakley 1963-12-7 6335 Los Angeles California Channel Islands. 200 ft. N of Lighthouse, N of Pyramid Head. San Clemente Island 53 Comment
  SBBG110910  Claytonia perfoliata subsp. mexicana I. W. Clokey, B. Templeton -Mar-1929 4525 Los Angeles Mandeville Cyn 275 Comment
  SBBG52914  Claytonia perfoliata subsp. perfoliata F. C. Boutin 1967-4-23 1676 Los Angeles Lemon Tank, dump site 304 Comment
  UCSB12510  Clematis ligusticifolia Breedlove, Dennis 1961-8-4 Los Angeles near Peavine Campground; 3 mi W of Wrightwood on Big Pines Highway; San Gabriel Mtns 1828 Comment
  RSA440824  Cleome isomeris Robert Gustafson 1978-6-1 945 Los Angeles 0.5 mile E off main dirt road running through Hungry Valley, on summit of hills overlooking upper Freeman Canyon, ca 1 mile S of Gorman. 1280 Comment
  POM93719  Cleome isomeris Marcus E. Jones 1902-6-27 s.n. Los Angeles Santa Catalina Island. Comment
  UCR130053  Cnicus benedictus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4049 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR98228  Collinsia bartsiifolia var. davidsonii B. G. Pitzer 1996-4-20 2685 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  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
  UCR205904  Collinsia callosa R. G. Swinney 2008-5-5 8770 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  POM4326  Collinsia childii I. M. Johnston 1917-6-15 1282 Los Angeles Cascade Canyon. 1372 Comment
  RSA408283  Collinsia heterophylla Elbert Benjamine 1929-5-26 194 Los Angeles San Dimas Canyon, San Gabriel Mountains. Comment
  RSA408263  Collinsia heterophylla L. E. Hoffman 1929-6-23 s.n. Los Angeles Wash. Hd. [Wash at head of] Pacoima Canyon, Angeles National Forest. Comment
  RSA0117384  Collinsia parryi F. W. Peirson 1919-4-19 4719 Los Angeles Pacoima Canyon. 549 Comment
  POM187889  Comarostaphylis diversifolia subsp. planifolia Katherine Kneen 1933-4-12 s.n. Los Angeles Santa Monica Mountains: Topango [Topanga] Canyon Comment
  RSA592497  Comarostaphylis diversifolia subsp. planifolia Mark Hoefs, D. Propst 1973-3-14 125 Los Angeles Santa Catalina Island: in First Side Canyon of Cape Canyon 244 Comment
  UCSB18167  Comarostaphylis diversifolia subsp. planifolia Black, Richard 1964-3-29 Los Angeles 0.2 miles past gate on road from Chantry Flats to bottom of Big Santa Anita Canyon 457 Comment
  SBBG59620  Conium maculatum M. N. Ackley -Jun-1929 Los Angeles Glendale 243 Comment
  RSA394788  Convolvulus arvensis Anstruther Davidson s.n. Los Angeles Railway Station Comment
  RSA611363  Conyza canadensis L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA720489  Conyza canadensis R. G. Swinney 1997-9-27 5879 Los Angeles Live Oak Canyon, c. 1.6 mi. N of Baseline Rd., 0.8 mi. due N of Live Oak Canyon Dam 488 Comment
  RSA301930  Conyza canadensis J. R. Shevock 1972-9-16 2259 Los Angeles Along Malibu Creek, Malibu Canyon. 305 Comment
  POM4480  Cordylanthus rigidus subsp. setiger C. F. Baker 1903-8-2 3655 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA525095  Cordylanthus rigidus subsp. setiger Tim S. Ross, Steve D. Boyd 1990-6-6 2851 Los Angeles Green Valley Pasture (in San Francisquito Canyon): Saugus District, Angeles National Forest. 927 Comment
  POM306341  Cordylanthus rigidus subsp. setiger Henry J. Ramsey, Henry J. Ramsey 1937-8-23 1423 Los Angeles Altadena. Comment
  SEINET3146395  Coreopsis bigelovii E. K. Balls, Lenz, LW 1950-3-28 14463 Los Angeles 1 mi. E of jct. of Hwys. 99 & 138, just S of Gorman 1158 Comment
  SEINET2050077 Image available Coreopsis californica A. C. Sanders, G. Helmkamp 1996-3-24 18021 Los Angeles Mojave Desert: Ave. J, 3.3 mi. W of 240th St., E, just NE of Saddleback Butte. 890 Comment
  UC566774  Coreopsis californica var. californica Herbert L. Mason 1932-4-1 6872 Los Angeles 1 mi e Lancaster; Mojave Desert Comment
  RSA0001073  Coreopsis stillmanii var. jonesii Marcus E. Jones 1882-5-2 3361 Los Angeles Pasadena. Comment
  CAS-BOT-BC105704  Corethrogyne filaginifolia Fordyce Grinnell 1915-9-4 s.n. Los Angeles San Gabriel Mts., upper Arroyo Seco Canyon [Canon] Comment
  CAS-BOT-BC105740  Corethrogyne filaginifolia David B. Weissman 1974-8-19 s.n. Los Angeles Pt. Dume - coastal bluff sand dune area. Comment
  JEPS20104  Corethrogyne filaginifolia Peter H. Raven 1957-9-21 11359 Los Angeles 2.5 mi above U.S. 101A (Topanga Canyon); Santa Monica Mountains, Topanga Canyon Comment
  JEPS41864  Corethrogyne filaginifolia Frank W. Peirson 1918-8-6 257 Los Angeles Mt. Wilson, Toll Road San Gabriel Mts., Mt. Wilson 883 Comment
  RSA598906  Corethrogyne filaginifolia R. G. Swinney 1989-7-31 s.n. Los Angeles Base of San Gabriel Mountains, in and near the city of Glendora. S end of Colby firebreak, at Glendora Wilderness Park. 396 Comment
  SD230163  Corethrogyne filaginifolia Steve Boyd 1997-9-17 10035 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
  UC55081  Corethrogyne filaginifolia Miss E. D. Palmer Los Angeles Los Angeles Comment
  UCD130835  Corethrogyne filaginifolia F. R. Fosberg 1931-7-11 S 5375 Los Angeles Middle Ranch Canyon at the mouth of Cape Canyon, Santa Catalina Island. 200 Comment
  SEINET11837157  Corethrogyne filaginifolia var. viscidula J. F. Bright, Wyman, C. 1931-1 5665 Los Angeles Hollywood Comment
  RSA397703  Cornus glabrata M. B. Dunkle 1931-4-22 2462 Los Angeles Hamilton Canyon, Santa Catalina Island. 91 Comment
  RSA483049  Cortaderia selloana George R. Johnstone 1929-10-6 s.n Los Angeles Madeville Canon Comment
  UCR208026  Cortaderia selloana L. C. Wheeler 1966-9-21 8881 Los Angeles San Gabriel Mountains, Angeles National Forest; San Gabriel Canyon, 1/3 mile inside mouth 244 Comment
  UCR210016  Cotula australis R. G. Swinney 2008-12-2 9912 Los Angeles San Gabriel Mtns., mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east 177 Comment
  RSA177879  Cotula australis R. F. Thorne, Percy C. Everett 1965-5-11 34664 Los Angeles Santa Catalina Island: Picnic Ground. 427 Comment
  RSA0002495  Cotyledon nudicaulis L. R. Abrams 1902-7-4 2652 Los Angeles San Gabriel Canyon Comment
  RSA625860  Crassula tillaea Scott D. White, Pam DeVries 1998-4-19 6275 Los Angeles Irwindale, San Gabriel River Basin, Santa Fe Flood Control Basin on disturbed alluvial fan. 152 Comment
  CATA861  Cressa truxillensis Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1670 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  SBBG18705  Cressa truxillensis E. R. Blakley 1963-4-7 5503 Los Angeles Little Harbor 15 Comment
  CAS-BOT-BC175827  Crossosoma californicum Tim Ross; Janet Takara 1993-4-23 6937 b Los Angeles Santa Catalina Island: SW part of the island in Cape Canyon; just above bed of canyon near roadisde 256 Comment
  SBBG78118  Crossosoma californicum M. E. Jones 1928-5-29 Los Angeles isthmus Comment
  UCR141446  Crossosoma californicum June Latting, Bibb Latting 1975-3-23 s.n. Los Angeles Channel Islands, Santa Catalina Island, Black Jack Mountain 610 Comment
  UCR205543  Croton californicus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36909 Los Angeles San Gabriel Valley, South El Monte, north side of San Gabriel River between Peck Rd. and Hwy 60, adjacent to storage facility under SCE power lines 73 Comment
  CATA1808  Croton setiger Benjamin E. Carter 2012-8-23 6992 Los Angeles Santa Catalina Island: Airport Road, ca. 1/2mi north of Middle Ranch Road 395 Comment
  UCR217702  Croton setiger A. C. Sanders, Dan S. Cooper 2010-8-5 38557 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA0106813  Crypsis vaginiflora Steven A. Junak 1999-7-16 SCa- 1047 Los Angeles Santa Catalina Island. Little Springs Reservoir 128 Comment
  CAS-BOT-BC189245  Cryptantha Le Roy Abrams 1901-4-7 1413 Los Angeles Verdugo Hills Comment
  SBBG131587  Cryptantha S. A. Junak 2000-4-15 SCa 1224 Los Angeles E of Lone Tree, just inland from S-facing bluff top 408 Comment
  UCR276771  Cryptantha R. G. Swinney 2011-5-16 14728 Los Angeles San Gabriel Mountains, Camp Colby (C. Ranch), upper Coldwater Cyn., 150 m south of lodge in center of camp, 1.18 miles at 73 deg. SSE of jct. of Colby Ranch Rd. and FS Rd 3N19 in Big Tujunga Cyn. 1122 Comment
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Dec 7 2018
  RSA639271  Cryptantha barbigera R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54962 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UCR271051  Cryptantha circumscissa R. G. Swinney 2011-6-6 15010 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  LA94292  Cryptantha clevelandii W. O. Griesel; 1936-5-3 sn Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive near Beverly Glen Blvd. 380 Comment
  UC284144  Cryptantha clevelandii P. A. Munz 1923-4-10 6705 Los Angeles San Clemente Island Comment
  UCR143255  Cryptantha clevelandii F. R. Fosberg 1932-5-7 10647 Los Angeles Channel Islands, Santa Catalina Island, ridges south of Grand Canyon 457 Comment
  UCR19579  Cryptantha clevelandii Freda Detmers 1931-3-19 s.n. Los Angeles South Coast, El Segundo sand dunes Comment
  RSA188329  Cryptantha clevelandii R. F. Thorne, M. Z. Thorne 1966-5-31 36422 Los Angeles Santa Catalina Island: along bare rocky ridge running S from Orizabe Mt. 579 Comment
  UCR256547  Cryptantha decipiens Anuja Parikh, Nathan Gale 2011-6-16 3476 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.5 km west of Angeles Forest Hwy, 0.1 km south of Aliso Canyon Road 1095 Comment
  RSA594616  Cryptantha flaccida L. C. Wheeler 1967-5-8 9332 Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA709534  Cryptantha intermedia George K. Helmkamp, E. Helmkamp 1998-5-21 4045 Los Angeles Western Mojave Desert: Junction of Munz Road and Lake Elizabeth Road north of Lake Elizabeth. 1006 Comment
  UC24687  Cryptantha intermedia J. H. Barber 1897-3-14 48 Los Angeles Santa Monica Experiment Station Comment
  RSA533979  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5172 Los Angeles San Clemente Island: SSW of Twin Dams, 1450 ft. NNW of Boulder marker (1859 ). 491 Comment
  SBBG19189  Cryptantha intermedia M. A. Piehl 1963-12-8 631088 Los Angeles Cave Cyn, ca. 0.25 mi from mouth 30 Comment
  UCSB5555  Cryptantha intermedia Wedberg, H. 1958-5-3 Los Angeles San Antonio wash 1/2 mile up Baldy Road from Padua Hills Road Comment
  SBBG39459  Cryptantha maritima M. A. Piehl 1962-6-9 62354 Los Angeles China Pt 7 Comment
  VVC2918  Cryptantha micrantha Tim Thomas 2014-5-4 6285 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  UCR252053  Cryptantha micromeres Dan S. Cooper 2013-4-22 413- 60 Los Angeles Western Transverse Range; Hollywood Hills, Hollywood Reservoir, Montlake Dr. at Canyon Lake Dr., NE side of reservoir 233 Comment
  CHSC95340  Cryptantha microstachys LeRoy Gross; Valeria Soza 2003-5-15 901 Los Angeles Transverse Ranges; Verdugo Mountains region: Northwest side of mountains: North of La Tuna Canyon road, started at end of Elben Ave. Climbed north to ridgetop, south of McDonald Creek, then east along ridgeline, then we came back down into a small canyon at the end of Elben Place, just east of where we started. UTM Zone; 3789390N, 0376384E. 396 Comment
  RSA561601  Cryptantha microstachys Steve Boyd, Walter Appleby 1993-6-1 8170 Los Angeles north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Foresst. Along Whitney Canyon Road 853 Comment
  RSA0087380  Cryptantha muricata R. G. Swinney 2010-5-25 12981 Los Angeles just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0092501  Cryptantha muricata R. G. Swinney 2011-6-22 15246 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. 1780 Comment
  UCR193446  Cryptantha muricata R. G. Swinney 1999-6-18 7281 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1732 Comment
  RSA0079199  Cryptantha muricata var. denticulata Gary D. Wallace, Ann Hiller 1983-5-18 2037 Los Angeles San Gabriel Mountains, Angeles National Forest. Near mile post 22.82 along Angeles Forest Hwy. 945 Comment
  RSA802562  Cryptantha muricata var. muricata Orlando Mistretta, Christine Mistretta 2011-7-6 5905 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  RSA0079353  Cryptantha muricata var. muricata L. R. Abrams 1902-6-17 2555 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA0079572  Cryptantha muricata var. muricata L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Bad Canyon at Santa Clara Divide Road. 1303 Comment
  CHSC95494  Cryptantha nevadensis LeRoy Gross 2005-4-28 2121 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  RSA353858  Cryptantha nevadensis var. rigida R. F. Thorne 1973-5-11 43572 Los Angeles along Mt. Emma Road, 10 mi. W of Little Rock Creek below the dam 1036 Comment
  SD260224  Cryptantha oxygona R. G. Swinney 2010-5-19 12813 Los Angeles San Gabriel Mountains/Western Mojave Desert: oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Tel. Access Rd, W of Angeles Natl. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 miles due W of Mt. Emma Rd. 1335 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
  UCR281306  Cryptantha similis R. G. Swinney 2014-4-18 16123 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
  RSA230675  Cryptantha simulans R. F. Thorne 1969-7-9 38509 Los Angeles Angeles National Forest: summit of Table Mountain above Big Pines Ranger Station 2134 Comment
  RSA729832  Cryptantha simulans R. G. Swinney 1998-7-10 6355 Los Angeles San Gabriel Mtns.: Prairie Fork, 300 m west of Cabin Flats Campground 1598 Comment
  UCSB5592  Cryptantha simulans B., K.; T., R. 1944-6-13 Los Angeles Chapman Burn, San Dimas Experimental Forest, San Gabriel Mountains Comment
  RSA228875  Cryptantha simulans R. F. Thorne 1971-6-26 39979 Los Angeles San Gabriel Mountains, Angeles National Forest: along Mt. Wilson Road on N slope of Occidental Peak. 1646 Comment
  IRVC29266  Cuphea hyssopifolia A. C. Sanders, Lee Jones 2004-11-7 29031 Los Angeles site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy San Fernando Valley 351 Comment
  UC1871350  Cuscuta californica T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3978 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
  SBBG58154  Cuscuta denticulata R. Hoffmann 1928-7-9 Los Angeles Antelope Valley Comment
  RSA709747  Cuscuta pentagona A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27126 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters. 320 Comment
  RSA409724  Cuscuta subinclusa Freda Detmers 1931-11-11 14184 Los Angeles Griffith Park Comment
Read comments
May 14 2007
  CAS-BOT-BC190263  Cynodon dactylon Tim Ross 1992-6-15 6593 Los Angeles Whittier Hills (local name for western extremity of the Puente Hills). Head of Turnbull Canyon, about 80 m southwest of the intersection Skyline Drive with Turnbull Canyon Road. 349 Comment
  RSA802343  Cyperus eragrostis Orlando Mistretta, Cher Batchelor 2011-7-26 5978 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  UC1595417  Cyperus eragrostis Tim Ross and Annette H. Ross 1991-7-29 5718 Los Angeles Elepahnt Hill, W. Pomona, n.-most point of Puente Hills San Dimas U.S.G.S. 7.5' Quad., Puente Hills, W. Pomona, Elep 228 Comment
  CAS-BOT-BC114304  Cyperus esculentus Louis C. Wheeler 1932-9-19 1397 Los Angeles Damp silt in sun, Los Angeles R. at Los Feliz Blvd. 121 Comment
  POM264733  Cyperus esculentus L. C. Wheeler 1932-9-14 1381 Los Angeles 2 miles N [of] Covina. 152 Comment
  UC1870231  Cytisus striatus LeRoy Gross 2001-11-10 451 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road f 457 Comment
  CATA3086  Dactylis glomerata Amy Catalano, Steven Junak 2016-4-27 086 Los Angeles Santa Catalina Island: Along Silver Peak Road, 260 meters south of junction with Boushay Road 509 Comment
  RSA589232  Dactylis glomerata Timothy S. Ross, Steve Boyd, Peter Fritsch 1990-6-8 2916 Los Angeles Upper Big Tujunga Canyon: Ridge and slopes descending +/- ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA725241  Dactylis glomerata K. Dobry 1991-5-2 d- 569 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  UCR149914  Dactylis glomerata R. G. Swinney 1997-6-25 5655 Los Angeles San Gabriel Mtns., west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  RSA595925  Datisca glomerata Lauren Raz, S. D. Boyd 1996-10-23 036 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. 609 Comment
  UCR209463  Datisca glomerata R. G. Swinney 2008-10-10 9565 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA606910  Datura stramonium Louis C. Wheeler 1973-6-15 s.n. Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  RSA653523  Datura wrightii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 286 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  RSA600983  Datura wrightii Louis C. Wheeler 1967-6-26 9883 Los Angeles Elsmere Canyon. 441 Comment
  POM155754  Daucus pusillus M. B. Dunkle 1928-4-22 1890 Los Angeles Buttonshell, Santa Catalina Island. 30 Comment
  RSA616156  Daucus pusillus Valerie L. Soza 1998-5-3 90 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, along southern edge of pHake Lake. 411 Comment
  UCR187021  Daucus pusillus A. C. Sanders 2006-4-25 32160 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  RSA527602  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4429 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SBBG128196  Deinandra clementina M. G. Simpson, A. Russell, J. Dunn, D. Pivorunas, M. Walgren 2000-7-19 2189 Los Angeles ca. 0.2 mi S from the end of rd that runs S from Eel Point 69 Comment
  UC1234793  Deinandra clementina Peter H. Raven 1962-5-23 17856 Los Angeles e side Avalon Bay; Santa Catalina Island Comment
  UC2052838  Deinandra clementina M. B. Dunkle 1939-4-5 7277 Los Angeles San Clemente Island, Pyramid Cove. Comment
  CAS-BOT-BC299288  Deinandra fasciculata Le Roy Abrams 1901-4-4 1330 Los Angeles Chatsworth Park Comment
  JEPS12588  Deinandra fasciculata Ira W. Clokey, B. Templeton Mar 1929 4600 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  SD134521  Deinandra minthornii Craig Reiser 1988-9-1 Los Angeles Hummingbird Creek near Simi Valley Comment
  SBBG89603  Delosperma litorale A. C. Sanders 1987-7-22 7147 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd 30 Comment
  SEINET3159275  Delphinium cardinale G. B. Grant 1904-6-17 276 Los Angeles collected at Pasadena Comment
  UCR172783  Delphinium decorum Wayne Law, Jun Hu 2000-4-30 10 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 823 Comment
  RSA0116693  Delphinium parishii R. G. Swinney 2011-4-19 14393 Los Angeles San Gabriel Mountains; San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  POM6584  Delphinium parishii subsp. parishii W. R. Dudley, F. H. Lamb 1896-06 4350 Los Angeles Kings Canyon, Liebre Mts. Comment
  RSA395725  Delphinium parryi Thekla Mohr 1786 Los Angeles Sierra Madre. Comment
  RSA398706  Delphinium parryi R. J. Smith 1934-5-24 s.n. Los Angeles Santa Catalina Island. Comment
  CAS-BOT-BC116284  Delphinium parryi subsp. parryi Louis C. Wheeler 1932-5-1 674 Los Angeles 3 mi. N Claremont 518 Comment
  CAS-BOT-BC116386  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 S. N. Los Angeles San Gabriel Mts. n trail from Charleton Flats to Chilas Camp. 1524 Comment
  RSA0030023  Delphinium patens subsp. montanum Walter Wisura 1977-6-17 3679 Los Angeles Below summit of Blue Ridge, San Gabriel Mountains. Comment
  UCR270508  Dendromecon rigida R. G. Swinney 2011-5-26 14863 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA0098631  Descurainia incisa R. G. Swinney 2010-9-7 13701 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft. of shore line around the entire perimeter 1683 Comment
  UCR261137  Descurainia pinnata R. G. Swinney 2010-2-27 11726 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
  CAS-BOT-BC43346  Descurainia pinnata subsp. glabra Steve Boyd; Amber Maurice 2004-5-18 11312 Los Angeles Transverse Ranges. Liebre Mountains region. Atmore Meadows area. Comment
  UC284746  Descurainia pinnata subsp. halictorum P. A. Munz 1923-4-10 6740 Los Angeles w coast San Clemente Island (s of Lemon Tank) Comment
  SFV1457  Descurainia pinnata subsp. menziesii M. L. Vincent 1962-2-19 135 Los Angeles Santa Monica Mountains Near Piuma Road, 5 miles east of Malibu Canyon Road. Comment
  RSA433536  Dicentra chrysantha Jean Carnine 1932-5-8 15305 Los Angeles San Fernando Valley Comment
  UCR222992  Dichelostemma capitatum R. G. Swinney 2009-5-5 10634 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.3 mi. southeast of Mt. Emma Rd. crossing 951 Comment
  POM169474  Dichelostemma capitatum subsp. capitatum C. F. Baker 1904-4-22 s.n. Los Angeles Monrovia Comment
  RSA0091720  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2011-3-17 14116 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA526632  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4225 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA376856  Dichelostemma capitatum subsp. capitatum Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  RSA652066  Dichelostemma capitatum subsp. capitatum Calvin Lohman 1948-5-20 sn Los Angeles 3.5 miles SW of San Dimas. 237 Comment
  SD237232  Dicksonia antarctica Lorraine Weller 2008-8-25 Los Angeles South Coast; Foot of Santa Monica Mtns.: Pacific Palisades. In residential neighborhood called Huntington Palisades at 525 Almoloya St. 79 Comment
  CAS-BOT-BC208976  Digitaria ischaemum Geo. B. Grant 1906-8-9 7158 Los Angeles Pasadena Comment
  UCR124257  Digitaria ischaemum L. C. Wheeler 1966-10-27 s.n. Los Angeles San Gabriel Mtns, Angeles National Forest; Rincon Ranger Station [Camp Rincon] 473 Comment
  UCR265527  Dimorphotheca sinuata Dan S. Cooper 2015-4-3 415- 20 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Los Angeles, Skyline Trail 244 Comment
  SEINET260463  Diplacus johnstonii David M. Thompson 1986-1 495 Los Angeles San Gabriel Mts 7.0 mi N of Angeles Crest Hwy (Hwy 2) along rd following the S Fork Little Rock Creek Comment
  CAS-BOT-BC150634  Diplacus longiflorus C. F. Baker May 23 5354 Los Angeles Claremont Comment
  CAS-BOT-BC150654  Diplacus longiflorus Raymond Lindholm 1961-4-8 s.n. Los Angeles San Dimas Canyon (San Gabriel Mtns., south face) Comment
  RSA0036158  Diplacus longiflorus Margaret Tucker 1966-5-17 s.n. Los Angeles San Rafael Hills. Comment
  RSA599855  Distichlis spicata Steve Boyd, Lauren Raz 1997-5-6 9771 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR48974  Distichlis spicata A. C. Sanders 1987-9-18 7371 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  SBBG2472  Dithyrea californica H. and M. Dearing 1933-4-9 4933 Los Angeles Palmdale-Victorville Hwy Comment
  UC57084  Dodecatheon clevelandii subsp. clevelandii R. D. Williams 1902-3-17 Los Angeles Claremont foothills 609 Comment
  UCR202726  Dodecatheon redolens R. G. Swinney, Cody Clarke 2001-8-22 8078 Los Angeles San Gabriel Mtns., 1.5 miles SSW of Dawson Saddle, junction of South Fork Big Rock Creek and Hwy 2, near turn-out/parking area 2305 Comment
  RSA0016411  Drymocallis glandulosa var. reflexa Orlando Mistretta, Christine Mistretta 2011-6-23 5737 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA586468  Drymocallis glandulosa var. viscida Orlando Mistretta, Steve D. Boyd 1994-6-21 1375 Los Angeles San Gabriel Mountains. Santiago Canyon. Drainage northwest of Pacifico Mountain. 1890 Comment
  LA200100  Dryopteris arguta Lawrence L. Kiefer; 1966-3-6 1655 Los Angeles SANTA MONICA MOUNTAINS, Corral Canyon, ca 2 mi from canyon mouth. 304 Comment
  SD82014  Dryopteris arguta Louis C. Wheeler 1931-7-28 Los Angeles San Antonio Mountains, Coble's Canyon 580 Comment
Read comments
Jan 2 2014
  POM18217  Dryopteris arguta P. A. Munz 1923-4-10 6706 Los Angeles San Clemente Island: canyon-wall, south of eLemon Tank'; east coast Comment
  RSA545187  Dryopteris arguta T. S. Ross 1992-4-14 6166 Los Angeles San Clemente Island: central E side of island; 'mouth' of Nanny Canyon 179 Comment
  RSA641690  Dudleya cymosa subsp. pumila Orlando Mistretta 1993-6-2 862 Los Angeles San Gabriel Mountains: along road to Vincent Mine. 2009 Comment
  RSA679295B  Dudleya cymosa subsp. pumila Mark Elvin, Anne Marie Ruff 1996-8-1 295 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road (gate). South side of road on curve. Comment
  RSA229715  Dudleya lanceolata R. F. Thorne, C. W. Tilforth 1969-6-26 38201 Los Angeles Big Rock Creek Canyon at Sycamore flat campground, SW slope of Pinyon Ridge 1295 Comment
  RSA608374  Dudleya lanceolata Leota Brice 1930-6-2 s.n. Los Angeles San Gabriel Canyon. Comment
  UC2059989  Dudleya lanceolata K. Nakai 1981-6-24 778 Los Angeles Fish Canyon, San Gabriel Mountains, ca. 1.5 km from the mouth of Canyon. Comment
  UCR61549  Dudleya lanceolata Reid Moran 1975-5-27 19141 Los Angeles East of Point Vicente 5 Comment
  UC1015293  Dudleya lanceolata Reid Moran 1951-4-29 3478 Los Angeles 2.5 mi below and s Rincon Guard Station; San Gabriel Canyon Comment
  UC1713542  Dudleya multicaulis Theodore W. Minthorn 1910-5-19 7 Los Angeles foothills near Colegrove Comment
  POM1048  Echinochloa crus-pavonis I. M. Johnston 1918-8-4 2111 Los Angeles North Pomona. Alt. 1200 ft. 366 Comment
  RSA0116893  Echinodorus berteroi Lyman Benson 1946-10-16 12208 Los Angeles Bed of Devils Gate Dam, La Canada. Mt. Range: San Gabriel. 304 Comment
  RSA131697  Echinodorus berteroi G. R. Campbell 1946-10-16 2 Los Angeles on lake below Devil's Gate Dam 304 Comment
  LA202283  Eclipta prostrata Arthur C. Gibson; 2004-10-9 5030 Los Angeles Santa Monica Mountains, Triunfo Canyon, entering Lake Malibou, 200 m from bridge off Lake Vista Dr Comment
  LA211254  Eclipta prostrata Arthur C. Gibson; Tarja Sagar 2004-9-21 5196 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek State Park, along Malibu Creek. Comment
  SBBG128218  Ehrharta calycina M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3197 Los Angeles upper Bulrush Cyn, below 2nd reseroir 304 Comment
  RSA611913  Eleocharis bella L. C. Wheeler 1934-5-14 2593 Los Angeles Mouth San Dimas Canyon, San Gabriel Mountains. 442 Comment
  IRVC29011  Eleocharis parishii A. C. Sanders, Mark Elvin 2002-6-25 25287 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA584447  Elymus R. G. Swinney 1992-7-10 1849 Los Angeles East Baldy Peak. All plants collected within 50 yards of peak. 3049 Comment
  RSA571283  Elymus elymoides subsp. elymoides Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8324 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, Santiago Canyon at confluence with side draw on southeastern side of Mt. Emma. 1159 Comment
  SEINET4678137  Elymus glaucus K. Dobry 1991-6-24 d 753 Los Angeles Soka University, Low Virgenes and Mulholland Highway. Santa Monical. Mountains.; 0 Comment
  UCR194026  Elymus glaucus R. G. Swinney 1998-7-28 6521 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1427 Comment
  CAS-BOT-BC206754  Elymus glaucus subsp. glaucus Geo. B. Grant 1906-6-14 s.n. Los Angeles Mt. Wilson, summit Mt. Howard Comment
  UCD62335  Elymus glaucus subsp. glaucus Peter Kamb 1948-6-26 1129 Los Angeles South side of Pacoima Canyon near Ant Canyon, San Gabriel Mts. 731 Comment
  UCR143222  Elymus glaucus subsp. glaucus F. R. Fosberg 1931-4-14 S- 4610 Los Angeles Channel Islands, Santa Catalina Island, Eagles Nest, Middle Ranch Canyon 180 Comment
  UCR273654  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14947 Los Angeles San Gabriel Mountains, Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1113 Comment
  RSA611044  Elymus glaucus subsp. jepsonii L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: West side of Bear Creek, off West Fork San Gabriel River. 610 Comment
  CATA3161  Elymus triticoides Amy Catalano 2016-5-25 132 Los Angeles Santa Catalina Island: Short spur road at sharp turn at south end of Big Springs Road 63 Comment
  RSA652211  Emmenanthe penduliflora R. Evans 1951-5-13 s.n. Los Angeles Arid region, 10 miles west of fire station on Mulholland Dr. Santa Monica Mts. Comment
  CAS-BOT-BC131213  Encelia californica Peter H. Raven 1956-6-17 9409 Los Angeles N.W. of Sunset Blvd. at Sepulveda Blvd. on slopes of the Santa Monica Mountains Comment
  CAS-BOT-BC131216  Encelia californica Lewis S. Rose 1934-12-31 34533 Los Angeles Griffith Park, Los Angeles Comment
  JEPS34096  Encelia californica W. L. Jepson 1940-10-7 20183 Los Angeles Santa Monica Comment
  RSA0053894  Encelia farinosa R. G. Swinney 2010-2-27 11770 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
  RSA613722  Ephedra nevadensis L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Father Garret's Boys Home between Mill Canyon and Bootlegger's Canyon 793 Comment
  SEINET2066386 Image available Ephedra nevadensis B. Pitzer 1998-5-23 3722 Los Angeles Western Mojave Desert: ca. 18 mi. NW of Adelanto, 240th Street East, 12.8 mi. W of San Bernardino Co. line. 2.8 mi. by road N of El Mirage Road (= Avenue ''P''), and 3.7 mi. S of Avenue ''J'' (=N5). (Adobe Mtn. 7.5' Q) UTM 10km: (11S MJ-2E, 3N Saddleback Buttes) 865 Comment
  RSA0093139  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 B Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA184110  Ephedra viridis I. L. Wiggins 1966-4-24 20655 Los Angeles Desert wash just east of J.F.L. Motel, eastern skirts of Pearblossom. Comment
  RSA748909  Ephedra viridis R. G. Swinney 2008-5-2 8735 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  CAS-BOT-BC166248  Epilobium canum subsp. canum Fordyce Grinnell 1915-11-1 s.n. Los Angeles Echo Mts., near Pasadena Comment
  UC557763  Epilobium canum subsp. canum Nell Murbarger April, 1936 11 Los Angeles San Clemente Island Comment
  UC1586220  Epilobium canum subsp. latifolium Tim Ross 1991-8-16 5840 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat USGS 7.5' quad (near margin of dry stream depression) 1719 Comment
  RSA0044699  Epilobium canum subsp. latifolium Jon Nickoloff 1973-10-21 504 Los Angeles C. 3 miles SE on Devil s Canyon Trail in stream bed; San Gabriel Mountains [Santa Susana Mts] 1067 Comment
  RSA747617  Epilobium ciliatum R. G. Swinney 2008-5-30 8887 B Los Angeles San Gabriel Canyon along old road/trail at El Encanto 256 Comment
  UCR259171  Epilobium ciliatum R. G. Swinney 2010-6-23 13359 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  POM156320  Epilobium ciliatum subsp. ciliatum L. R. Abrams 1902-7-1 2617 Los Angeles Little Santa Anita Canyon 914 Comment
  RSA604683  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  RSA730083  Epilobium ciliatum subsp. ciliatum R. G. Swinney, D. W. Larson 1999-5-29 s.n. Los Angeles San Dimas Canyon, at waterfall in main fork ca. 600 m north of confluence with East Fork. 610 Comment
  RSA229154  Epilobium glaberrimum subsp. glaberrimum Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38842 Los Angeles San Gabriel Mountains, Angeles National Forest: N-facing slope above Angeles Crest Higway N & below Lily Spring at headwater of S Fork, Big Rock Creek, ca. 2 miles S of Dawson Saddle. 2317 Comment
  RSA0105686  Epipactis gigantea Sarah Ratay, Jack Baldelli 2011-4-13 134 Los Angeles Santa Catalina Island. In Fern Grotto, side canyon W of Coffeepot Canyon, near Thunder Beach, population starts just upstream from old road crossing and extends at least 400 m along drainage. Comment
  SEINET3865355 Image available Equisetum X ferrissii Louis C. Wheeler 1932-5-4 679 Los Angeles San Dimas Canyon San Gabriel Mts.; 0 381 Comment
  SD81743  Equisetum hyemale subsp. affine Louis C. Wheeler 1931-9-27 161 Los Angeles San Gabriel Mountains, San Dimas Canyon 684 Comment
  RSA640302  Equisetum hyemale var. affine L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice: By 2605 Strongs Dr. Comment
  RSA0087045  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR189892  Equisetum laevigatum R. G. Swinney 1998-7-21 6462 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, c. 200 m east of Little Fish Fork Campground 2049 Comment
  SEINET3866219 Image available Equisetum laevigatum Timothy S. Ross 1993-4-23 6933 Los Angeles Santa Catalina Island: SW part of the island in Middle Canyon; along the stream, ca 350 m WNW of Eagle's Nest Lodge; Santa Catalina South USGS 7.5' quad.; 0 131 Comment
  UCSB8207  Equisetum laevigatum Haller, Norman 1953-4-18 Los Angeles Hwy. 99, 12 mi S of Gorman. 914 Comment
  RSA13772  Equisetum telmateia var. braunii L. C. Wheeler 1933-10-7 2164 Los Angeles Live Oak Canyon 686 Comment
  UCR270862  Eragrostis R. G. Swinney 2011-6-30 15383 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA609109  Eragrostis cilianensis L. C. Wheeler 1968-8-20 s.n. Los Angeles San Gabriel Mountains: Los Pinetos Canyon Spring. 854 Comment
  CAS-BOT-BC284129  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1961-10-31 6696 Los Angeles Antelope Valley, Avenue A at 90th Street, Mojave Desert 685 Comment
  LA30499  Eremocarpus setiger Jane Turner; T. Mosquin 1958-11-16 C 46 Los Angeles 472 Comment
  RSA76951  Eremocarpus setiger F. W. Peirson 1919-10-26 2046 Los Angeles Along Pacific Electric tracks to Rubio Canyon, San Gabriel Mts. 549 Comment
  UC17607  Eremocarpus setiger H. P. Chandler 1897-6-21 Los Angeles Claremont 365 Comment
  CAS-BOT-BC174385  Eremogone macradenia var. arcuifolia Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10011 Los Angeles Liebre Mountains Region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon 1706 Comment
  RSA0084996  Eremogone macradenia var. arcuifolia George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  RSA0107784  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1995-7-12 1913 Los Angeles Little Rock Creek. 1098 Comment
  RSA0107788  Eriastrum densifolium subsp. elongatum T. S. Ross, S. D. Boyd 1994-7-7 8172 Los Angeles South base of Liebre Mountain: ca. 960 m N of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982). 1094 Comment
  UC130860  Eriastrum pluriflorum Katharine Brandegee May 1909 Los Angeles Lancaster Comment
  UCR110887  Eriastrum sapphirinum A. C. Sanders, D. Malueg, K. D. Jones 1998-6-22 22001 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
  UCR127218  Eriastrum sapphirinum A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26284 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  UCR206132  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2009-5-29 37052 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  RSA0110985  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 1997-7-17 5690 Los Angeles 0.5 mi. N of smiit of Table Mountain, NW of Wrightwood; 0.8 mi. NE of FS Rd. 4N21 (paved) on 4N21B 2134 Comment
  RSA0121284  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Pam De Vries 2004-6-14 10502 Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  CAS-BOT-BC514978  Eriastrum sapphirinum subsp. dasyanthum Alice Eastwood 1906-6-5 224 Los Angeles Roscoe Comment
  RSA0121288  Eriastrum sapphirinum subsp. dasyanthum B. C. Templeton 1935-6-23 4789 Los Angeles Azusa. Comment
  POM359317  Ericameria cooperi Ralph Hoffmann 1931-4-20 s.n Los Angeles Lancaster Comment
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Jul 24 2010
  RSA93254  Ericameria cuneata var. cuneata F. W. Peirson 1918-10-10 222 Los Angeles Falls in Rubio Canyon 762 Comment
  LA30864  Ericameria ericoides Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 C- 167 Los Angeles Santa Monica Mountains, Point Dume Comment
  JEPS31367  Ericameria linearifolia A. E. Wieslander 1928-2-27 Los Angeles Texas Canon Elizabeth Lake, Texas Canon Comment
  LA36080  Ericameria linearifolia Peter H. Raven; Henry J. Thompson 1960-4-24 15126 Los Angeles 213 Comment
  OBI2776  Ericameria linearifolia N. Cole 1967-4-15 63 Los Angeles Escondido cyn rd; 3 mi W of Palmdale fwy 300 Comment
  RSA300651  Ericameria linearifolia J. R. Shevock 1976-4-25 5025 Los Angeles Common along FS trail 10W09 to Devils Chair. San Gabriel Mountains. Angeles National Forest. Comment
  RSA655934  Ericameria linearifolia James Henrickson 2000-4-15 20681 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Hwy 14. 488 Comment
  SD87655  Ericameria nauseosa var. hololeuca Frank W. Peirson 1925-6-23 6026 Los Angeles Upper part of Mint Canyon. Comment
  POM359458  Ericameria pinifolia Geo. L. Moxley 1915-7-5 372 Los Angeles Arroyo Seco, Pasadena. Comment
  RSA597042  Ericameria pinifolia Timothy S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3843 Los Angeles Ridgetop to the W of Crystal Lake (ridge descending SSW from Mt. Islip) 1884 Comment
  SD31152  Erigeron canadensis Edith A. Purer 1931-8-15 Los Angeles Palos Verdes Hills Comment
  RSA755883  Erigeron foliosus R. G. Swinney 2008-7-24 9280 Los Angeles Waterman Mountain 2412 Comment
  PASA1729  Erigeron foliosus Theodore Hayes Los Angeles Arroyo Seco Comment
  POM49616  Erigeron foliosus var. stenophyllus A. D. E. Elmer 1902-06 3502 Los Angeles Lancaster. Comment
  SFV2962  Eriodictyon crassifolium K. A. Wilson 1962-5-10 1265 Los Angeles San Gabriel Mountains Placerita Canyon Road, about 2 miles east of Highway 6. 490 Comment
  UC1922571  Eriodictyon crassifolium Gary Kovnat with LeRoy Gross 2003-2-16 20 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA594739  Eriodictyon crassifolium var. nigrescens Tim S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route: 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 619 Comment
  RSA660890  Eriodictyon crassifolium var. nigrescens Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 3 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  UCD119242  Eriodictyon crassifolium var. nigrescens A. C. Sanders; Mark A. Elvin, Anuja Parikh, Nathan Gale, et al 2003-4-30 26199 Los Angeles Western San Gabriel Mtns.: Castaic Valley at west foot of Castaic Mesa, Newhall Ranch. 366 Comment
  RSA199173  Eriodictyon traskiae Robert F. Thorne, D. Propst 1968-5-29 37694 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain s Canyon toward Echo Lake. 396 Comment
  RSA455094  Eriodictyon trichocalyx var. trichocalyx Freda Detmers 1931-10-15 s.n. Los Angeles Lytle Canyon Comment
  RSA771848  Eriogonum R. G. Swinney 2009-5-27 10909 Los Angeles South Fork Little Rock Creek, road between Alder Saddle and road to Sulphur Springs Campground, 4 m above canyon bottom along roadside 1591 Comment
  IRVC28811  Eriogonum angulosum A. C. Sanders 2003-8-5 27112 Los Angeles Newhall Ranch, Potrero Canyon, ridge on north side of valley NE of old ranch headquarters NE end of Santa Susana Mtns. 320 Comment
  SBBG61811  Eriogonum angulosum P. A. Munz, I. M. Johnston 1928-9-5 11184 Los Angeles rd from Rock Crk to Swartout Valley 1676 Comment
  RSA681920  Eriogonum baileyi var. baileyi Scott D. White, Michael Honer, Dylan Hannon 2003-7-16 9635 Los Angeles Santa Clarita Area: Santa Clara River wash, near Soledad Canyon Rd. bridge. Upstream and downstream ca. 1.5 miles. 390 Comment
  SD234490  Eriogonum baileyi var. baileyi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-14 3003 Los Angeles Santa Carita Valley: Newhall Ranch, mouth of Castaic Creek, S of SR 126. 289 Comment
  POM78651  Eriogonum cinereum Albert J. Perkins 1918-10-28 s.n. Los Angeles Santa Monica Canon. Comment
  UCD99813  Eriogonum cinereum Kenneth A. Wilson 1961-3-5 941 Los Angeles Santa Monica Mountains. Mulholland Highway, 2 miles west of Las Virgenes Road. Comment
  RSA0004962  Eriogonum cinereum G. W. Barclay 1839-10-13 3051 Los Angeles Hills near San Pedro Comment
  RSA393164  Eriogonum cithariforme var. agninum Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA0022259  Eriogonum davidsonii Duncan S. Bell, Caitlin Elam 2013-8-1 5549 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  RSA0091984  Eriogonum davidsonii R. G. Swinney 2011-7-7 15438 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UCR149890  Eriogonum davidsonii R. G. Swinney 1999-6-18 7323 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR223410  Eriogonum davidsonii R. F. Thorne, M. Z. Thorne 1969-7-10 38398 Los Angeles Transverse Ranges; San Gabriel Mountains, Angeles National Forest, Mescal Creek Play Area 2027 Comment
  RSA766446  Eriogonum elongatum Joseph A. Ewan 1934-8-11 8345 Los Angeles San Gabriel Mountains Pine Flat, Chilao. 1646 Comment
  LA82045  Eriogonum elongatum var. elongatum O. H. Kappler; 1940-5-23 35 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  UCR126342  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders 2003-3-14 25750 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  UCR276739  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2010-8-11 13504 Los Angeles San Gabriel Mountains, San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/ service road 595 Comment
  CHSC98727  Eriogonum fasciculatum var. foliolosum LeRoy Gross; Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1076 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountains; south of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  IRVC26965  Eriogonum fasciculatum var. foliolosum A. C. Sanders 2003-4-28 26088 Los Angeles Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon Western San Gabriel Mtns. 427 Comment
  RSA0069280  Eriogonum fasciculatum var. foliolosum R. G. Swinney 2010-6-8 13195 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  UC56073  Eriogonum fasciculatum var. foliolosum J. H. Barber Los Angeles Soma Canyon Santa Monica Mts., Soma Canyon Comment
  UCR212754  Eriogonum fasciculatum var. polifolium Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1763 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 308 Comment
  CHSC5107  Eriogonum gracile M. MacArthur 1967-7-16 92 Los Angeles Charlton flat ca. 1 mi from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA393241  Eriogonum gracile Anstruther Davidson 1916-7-1 s.n. Los Angeles Crescenta. Comment
  CAS-BOT-BC253467  Eriogonum gracile Bunch 1974-8-14 74 -673 Los Angeles At east animal trapping site, near Valencia 1 mile E. of I5 Comment
  UCR127668  Eriogonum gracile var. gracile A. C. Sanders 2003-6-18 26936 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
  UCR159706  Eriogonum gracile var. gracile Orlando Mistretta 1992-9-16 811 Los Angeles Transverse Ranges (San Gabriel Mtns), N of Oak Springs. Oak Springs Trail, Tujunga Ranger District 793 Comment
  POM122090  Eriogonum gracile var. gracile H. E. Hasse 1888-08 s.n. Los Angeles Los Angeles Comment
  UCR161521  Eriogonum gracillimum T. B. Salvato, Melissa Clemons 2005-9-27 1226 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  RSA139589  Eriogonum grande var. grande Reid V. Moran 1958-9-16 6846 Los Angeles San Clemente Island, 2 miles SE of Eel Point 100 Comment
  RSA549590  Eriogonum inflatum var. inflatum Tim S. Ross 1992-4-4 6087 Los Angeles Adobe Mountain: SW Mojave Desert. 927 Comment
  UCR141866  Eriogonum maculatum R. G. Swinney 1997-9-6 5857 Los Angeles San Gabriel Mountains, Jackson Lake area west of Wrightwood; 0.9 mi N of Big Pines Rd on Forestry Service Rd 4N16 1890 Comment
  UCR252695  Eriogonum maculatum Kelly Schmoker 2014-6-18 s.n. Los Angeles Western Mojave Desert, Edwards Air Force Base, south of Buckhorn Dry Lake, W of 100th St. East and north of Ave. 'A' near its end, NE of old homestead site and NW of 'L' shaped windbreak 699 Comment
  RSA795206  Eriogonum nudum var. pauciflorum Jane Tirrell 2012-8-3 LS 0147 Los Angeles South side California State Route 2 at turnout approx. 300 ft. east of mile marker 67.86 2306 Comment
  CAS-BOT-BC257752  Eriogonum parvifolium Louis C. Wheeler 1933-9-2 2093 Los Angeles Santa Monica 4 Comment
  RSA763237  Eriogonum pusillum Justin M. Wood 2010-5-10 1581 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  SBBG65211  Eriogonum pusillum Anstruther Davidson -Jul-1893 Los Angeles Big Rock Crk Comment
  RSA646123  Eriogonum pusillum Orlando Mistretta 1993-5-10 830 Los Angeles San Gabriel Mountains: Big Pines Highway. 1326 Comment
  UCR210025  Eriogonum saxatile R. G. Swinney 2008-7-25 9313 Los Angeles San Gabriel Mtns., Twin Peaks, west peak 2316 Comment
  SBBG127076  Eriogonum thurberi A. Parikh, N. Gale 2011-6-16 3473 Los Angeles Aliso Cyn, 1.7 km W of Angeles Forest Hwy, just S of Aliso Cyn Rd; San Gabriel Mtns 1094 Comment
  UCR210144  Eriogonum umbellatum R. G. Swinney 2008-8-13 9402 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.0 mi. east of Fenner Canyon 1793 Comment
  CAS-BOT-BC265217  Eriogonum umbellatum var. subaridum Geo. R. Hall 1904-9-1 s.n. Los Angeles Swartout Canyon, San Antonio Mts. 2133 Comment
  UCD84642  Eriogonum wrightii var. membranaceum D. L. Koutnik; William Balch, Mary Barbercheck, Debra Koutnik 1981-12-22 s.n. Los Angeles Along fireroad to Castro Peak, Santa Monica Mountains. Comment
  CAS-BOT-BC297932  Eriophyllum confertiflorum C. B. Wolf 1931-6-25 2235 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd (Mandeville Canyon) 60 Comment
  CAS-BOT-BC297952  Eriophyllum confertiflorum Geo. B. Grant 1904-6-26 4162 Los Angeles Mt Lowe Comment
  CAS-BOT-BC297969  Eriophyllum confertiflorum R. Beauchamp; M. Douglas 1972-3-24 3234 Los Angeles On cliff of canyon wall N of Nanny, San Clemente Island 150 Comment
  RSA580975  Eriophyllum confertiflorum Catherine A. Mish 1995-3-4 20 Los Angeles Santa Monica Mtns, Caballero Cyn. Located 1.5 km from trailhead. 380 Comment
  SD112722  Eriophyllum confertiflorum Darley F. Howe 1953-5-3 2280 Los Angeles Mouth of Wain Canyon, Santa Catalina Island. Comment
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Jun 10 2014
  SD186083  Eriophyllum confertiflorum A. C. Sanders, Helen Kennedy 2005-4-13 29431 Los Angeles Santa Clarita area, lower Mint Canyon at the the community of Mint Canyon. 456 Comment
  UCD132270  Eriophyllum confertiflorum Deanna Hickman; Timothy J. Murphy 1993-5-6 s.n. Los Angeles Santa Susana Mountains, Charmlee Natural Area Park. On Encinal Canyon Road, 4 miles N of Pacific Coast Highway. 274 Comment
  UCR202715  Eriophyllum confertiflorum R. G. Swinney 2001-8-18 8061 Los Angeles San Gabriel Mtns., Ross Mtn., 2.5 miles south of Mt. Baden Powell on the same ridge 2257 Comment
  RSA0113216  Eriophyllum confertiflorum Steven A. Junak 2000-5-19 SCa- 1316 Los Angeles Santa Catalina Island. N-facing slope overlooking Button Shell Beach, on N side of ridge between Button Shell Camp & White's Landing, just W of powerline route. 165 Comment
  LA103562  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 1986-3-29 7162 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  LA83325  Eriophyllum confertiflorum var. confertiflorum O. H. Kappler; 1944-6-4 662 Los Angeles San Gabriel Mountains, Soledad Canyon, near Sand Canyon 365 Comment
  UC1584896  Eriophyllum confertiflorum var. confertiflorum Tim Ross and Steve Boyd 1991-7-24 5610 Los Angeles ridge nne of Granite Mountain (Pacifico Mountain USGS 7.5 ft quad, Granite Mountain vicinity); Pacifico Mountain Quadrangle 1892 Comment
  UC557660  Eriophyllum confertiflorum var. confertiflorum Nell Murbarger 1936-3-1 69 Los Angeles e side San Clemente Island Comment
  RSA773534  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR205912  Eriophyllum wallacei R. G. Swinney 2008-5-5 8753 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  UCSB9202  Eriophyllum wallacei Phillips, Priscilla 1958-4-26 Los Angeles 2 mi. south of Palmdale, Route 138 Comment
  CDA4357  Erodium botrys L. C. Wheeler 1947-1-5 6564 b Los Angeles Arcadia: In parkway in center of Woodward Avenue between Baldwin Avenue and Oakwood Drive.. . 0 Comment
  SBBG129224  Erodium cicutarium C. C. K. 1910-2-18 Los Angeles Pasadena Comment
  RSA652324  Erodium cicutarium Rudolf Schmid 1962-4-17 s.n. Los Angeles Near Lemon and Santa Anita Avenues, Arcadia. Comment
  UCSB9869  Erodium cicutarium Haller, John 1950-3-30 Los Angeles UCLS; base o faculty hill; near Sunset Blvd Comment
  UCSB9872  Erodium moschatum Haller, John 1950-3-30 Los Angeles UCLA; Base of Faculty Hill; Near Sunset Blvd Comment
  UC205877  Erysimum capitatum I. Johnston 1917-3-10 58 Los Angeles in field Cucamonga Comment
  UC50330  Erysimum capitatum H. M. Hall Apr. 1903 3744 Los Angeles Arroyo Seco Comment
  POM307852  Erysimum capitatum var. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-5 2722 Los Angeles North Craig Ave., Altadena Comment
  RSA599602  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-3-31 9406 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
  UCR200153  Erysimum capitatum var. capitatum Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 797 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 488 Comment
  UCR271673  Erysimum capitatum var. capitatum R. G. Swinney 2011-5-31 14918 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  SBBG79182  Erythranthe cardinalis F. R. Fosberg 1931-5-18 4910 Los Angeles Sweetwater Cyn 160 Comment
  CAS-BOT-BC402727  Eschscholzia caespitosa Munz; Street; Williams 1919-4-19 2492 Los Angeles Lone Hill Comment
  LA200737  Eschscholzia caespitosa W. O. Griesel; 1936-5-9 sn Los Angeles Santa Monica Mountains, Malibu Lake Comment
  UC1126444  Eschscholzia caespitosa Jerome S. Horton 1939-5-4 539 Los Angeles Fern Canyon Cucamonga Quadrangle, Climactic Sta. Comment
  RSA66275  Eschscholzia caespitosa Joseph A. Ewan 1930-5-30 2242 Los Angeles E shoulder, Cahuenga Peak, Santa Monica Mts. 518 Comment
  CAS-BOT-BC403155  Eschscholzia californica John I. Carlson 1914-4-28 s.n. Los Angeles Avalon, Catalina Isl. Comment
  UCD96481  Eschscholzia californica Shannon M. Still 2006-3-31 072 Los Angeles California. Los Angeles County. 870 Comment
  UCR259670  Eschscholzia californica R. G. Swinney 2010-4-1 12147 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA0034935  Eschscholzia californica P. Reisentz 1975-3-8 1 Los Angeles 2 miles north of Stunt Rd. on Mulholland Hwy. 365 Comment
  RSA347554  Eschscholzia californica Barry A. Prigge 1986-3-20 6972 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  SEINET10904733  Eschscholzia californica David B. Dunn 1947-4-16 Dunn 2940 Los Angeles 1 mi w of palmdale. Comment
  UCSB7044  Eschscholzia californica Gill, Robert 1959-2-27 Los Angeles Along road close to Throne Ranch, lower San Dimas Canyon, San Gabriel Mountain Range 365 Comment
  RSA523405  Eschscholzia minutiflora G. H. True 1936-3-28 187 Los Angeles Between Littlerock and Palmdale. 915 Comment
  UCR205176  Eucrypta chrysanthemifolia R. G. Swinney 2008-4-10 8636 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  UCSB5233  Eucrypta chrysanthemifolia Krogen, Roger 1957-1 Los Angeles Hasley Canyon, 2 mi. NW of Hwy 99, 2 mi. S of Castiac Comment
  CATA983  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs 1994-5-21 1855 Los Angeles Santa Catalina Island: Near upper Renton Mine Road 252 Comment
  UC1922667  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie Soza, Miriam Sidibeh 2003-3-26 1608 Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UCR213354  Eucrypta chrysanthemifolia var. chrysanthemifolia Justin M. Wood 2009-3-6 332 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  LA202520  Eulobus californicus Peter H. Raven; 1959-5-2 14046 Los Angeles SANTA MONICA MOUNTAINS, Triunfo Canyon, 4.1 mi NW of Tapia Park on road to Malibu Lake. 182 Comment
  UCR280556  Euphorbia albomarginata R. G. Swinney 2014-4-17 16071 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  LA32302  Euphorbia peplus Henry J. Thompson; 1959-5-24 1988 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  RSA662125  Euphorbia peplus Daniel Curran 1981-1-19 22 Los Angeles Cal Poly Pomona Campus under breezeway between the science buildings. Comment
  RSA762298  Euphorbia peplus Orlando Mistretta, Christine Mistretta 2008-5-6 2665 Los Angeles Southern California Edison transmission line corridor (Segment 11, Impact Areas 14, 15, 16 (Gould Subtation) per TRTP Survey 2008), in the vicinity of Arroyo Seco Canyon. 576 Comment
  SBBG133111  Euphorbia serpillifolia B. C. Templeton 1967-7-18 10086 Los Angeles Little Tujunga Cyn at Marek Cyn 381 Comment
  UCR95546  Euphorbia serpillifolia L. C. Wheeler 1966-9-21 8893 Los Angeles San Gabriel Mtns., north fork San Gabriel River, 1/4 mi downhill from intersection of main road with road to upper Bichota Canyon 854 Comment
  SBBG13598  Extriplex californica P. H. Raven 1962-7-10 17951 Los Angeles near W shore of island W of Wall 2 Comment
  RSA0093459  Festuca arundinacea R. G. Swinney 2011-9-22 15665 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCSB72274  Festuca microstachys Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma; East of Mt. Emma Road; then dropped off ridge into canyon bottom back to origin; see label for more details 1413 Comment
  UCR186761  Festuca myuros T. B. Salvato, Sandra Murcia 2007-3-28 2010 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UCR276988  Festuca myuros R. G. Swinney 2010-6-1 13142 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  CAS-BOT-BC502101  Ficus microcarpa R. E. Riefner, Jr. 2014-7-13 14 -243 Los Angeles City of San Pedro, W side of S. Harbor Blvd at W. Santa Cruz St. 6 Comment
  RSA180088  Filago californica Peter H. Raven 1962-4-10 17208 a Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  RSA0013205  Filago gallica Orlando Mistretta, Christine Mistretta 2011-7-13 5928 Los Angeles Big Tujunga Cyn. Along Angeles Forest Hwy, 1.0 miles W of junction With Big Tujunga Cyn Road. 793 Comment
  UC1349336  Foeniculum vulgare Robert F. Thorne and P. Everett 1965-6-22 34878 Los Angeles Avalon Canyon Santa Catalina Isl., Avalon Canyon 91 Comment
  CAS-BOT-BC52558  Frangula californica subsp. californica Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles San Gabriel Mts. - near Pasadena Comment
  UCR270981  Fraxinus dipetala R. G. Swinney 2011-4-28 14539 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  IRVC29652  Fraxinus velutina A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, et al. 2003-4-30 26231 Los Angeles Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property Western San Gabriel Mtns. 351 Comment
  RSA596136  Fraxinus velutina Tim S. Ross, Steve D. Boyd 1995-6-28 8636 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  POM3595  Fraxinus velutina var. coriacea I. M. Johnston 1918-7-28 2097 Los Angeles San Gabriel River at El Monte. 91 Comment
  RSA600060  Fremontodendron californicum Steve D. Boyd, Lauren Raz 1997-5-20 9815 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  UC72260  Fritillaria biflora C. J. Fox 1903-4 Los Angeles Highland Park Comment
  SEINET11098561 Image available Funastrum hartwegii G. B. Grant July 03 972 Los Angeles Pasadena Comment
  JEPS7037  Galium andrewsii subsp. intermedium Frank W. Peirson 1919-5-10 399 Los Angeles Arraster Canyon San Gabriel Mountains 975 Comment
  UCSB6249  Galium angustifolium Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon SRE plot Comment
  POM4433  Galium angustifolium subsp. angustifolium Philip A. Munz 1918-4-11 2074 Los Angeles Lone Hill near Glendora. Comment
  UC102520  Galium angustifolium subsp. angustifolium Dr. H. E. Hasse 1888-7-15 Los Angeles Santa Catalina Island Comment
  RSA529154  Galium angustifolium subsp. angustifolium Tim S. Ross, Steve D. Boyd 1991-7-24 5616 Los Angeles Granite Mountain vicinity: ridge NNE of Granite Mountain. 1875 Comment
  RSA612077  Galium aparine Valerie L. Soza 1998-4-26 66 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SW of pHake Lake. At center of BFS. 412 Comment
  JEPS38124  Galium aparine Theodore Niehaus 1965-4-4 442 Los Angeles first canyon n of Randal Point (e side of island, also in canyon below Lemon Tank); San Clemente Island Comment
  POM4427  Galium aparine L. T. Street 1918-5-19 s.n. Los Angeles Mt. Wilson at Camp Ualtee. Comment
  CATA778  Galium catalinense Mark L. Hoefs 1991-6-5 1340 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  UC185699  Galium catalinense W. S. Lyon 1884-1 Los Angeles Santa Catalina Island Comment
  RSA549501  Galium johnstonii Tim S. Ross, Steve D. Boyd 1990-6-18 3485 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA774803  Galium johnstonii R. G. Swinney 2009-7-23 11399 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR239016  Galium johnstonii Anuja Parikh, Nathan Gale 2010-6-16 3312 Los Angeles Transverse Range; San Gabriel Mountains, Upper Big Tujunga Canyon, 0.3 km east of Shortcut Station, 0.5 km north of State Hwy 2, Angeles Crest Hwy 1300 Comment
  UCR73392  Galium johnstonii T. S. Ross 1991-8-14 5755 Los Angeles San Gabriel Mtns, Roundtop Mtn 1890 Comment
  UCR85806  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5672 Los Angeles San Gabriel Mtns, Granite Mountain, NNE slope 1900 Comment
  SBBG48229  Galium nuttallii subsp. insulare R. N. Philbrick with M. L. Long 1968-2-24 B 68 -8 Los Angeles between Fourth of July and Cherry Coves Comment
  JEPS9477  Galium parishii F. W. Peirson 1920-9-12 2280 Los Angeles Summit Baldy San Gabriel Mts. 3072 Comment
  UCR155644  Galium porrigens A. C. Sanders, T. B. Salvato 2005-4-26 29675 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
  RSA424701  Galvezia speciosa Anstruther Davidson 1930-1 s.n. Los Angeles Santa Catalina Island. Comment
  UCR194742  Gamochaeta pensylvanica Valerie Soza, Shalini Deo, LeRoy Gross 2000-4-20 720 Los Angeles Transverse Ranges; Verdugo Mountains, Verdugo Mountains, north side; northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999 518 Comment
  RSA612290  Gamochaeta pensylvanica L. C. Wheeler 1934-4-24 2553 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA604406  Garrya veatchii Louis C. Wheeler 1931-12-30 424 Los Angeles San Antonio Wash. 671 Comment
  CDA5175  Gaura drummondii Johnson Aug 1939 2 Los Angeles Puente 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
  RSA776489  Gayophytum decipiens LeRoy Gross, Jane Tirrell 2011-7-20 5522 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. 2287 Comment
  RSA229726  Gayophytum oligospermum Robert F. Thorne 1969-7-2 38207 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flats burn (of 1954) 1616 Comment
  RSA594652  Geranium rotundifolium Louis C. Wheeler 1967-7-30 10263 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  RSA0112624  Gilia A. C. Sanders 2007-4-25 33587 Los Angeles Tehachapi Mtns.: Oso Canyon, 0.75 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  UCR276805  Gilia R. G. Swinney 2010-5-21 12898 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA470099  Gilia angelensis Laura Shaw 1923-3-14 s.n. Los Angeles Los Angeles. 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
  UCR194043  Gilia cana R. G. Swinney 1999-6-5 7241 B Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  IRVC26495  Gilia capitata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26141 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  SD31174  Gilia capitata Edith A. Purer 1931-3-16 989 Los Angeles Palos Verdes Hills. Comment
  UCR125398  Gilia capitata A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25710 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  RSA187867  Gilia capitata subsp. abrotanifolia R. F. Thorne 1966-4-28 36195 Los Angeles Santa Catalina Island: roadside S of golf links, Avalon Canyon 30 Comment
  RSA776387  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-6-14 5318 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  RSA702958  Gilia latiflora Scott D. White, Michael Honer 2004-3-30 9969 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCR205297  Gilia leptantha subsp. transversa Valerie Soza, Naomi Fraga 2003-6-13 1669 Los Angeles San Gabriel Mountains, Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06 2530 Comment
  UCR269978  Gilia leptantha subsp. transversa R. G. Swinney 2010-5-19 12774 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
  SEINET6050917  Gilia minor Louis Wheeler 1973-4-21 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA746852  Gilia modocensis Orlando Mistretta 1992-5-21 384 Los Angeles Transverse Ranges; San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  SEINET12278755  Gilia multicaulis Unknown 1933-1 8493 Los Angeles in desert valley near Los Angeles Comment
  CAS-BOT-BC402004  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1921-5-20 4135 Los Angeles Little Rock Creek, San Gabriel Mts. 1005 Comment
  UCR264698  Gilia ochroleuca subsp. bizonata Mitch Provance, Callen Huff 2009-4-28 10741 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  RSA0017219  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1994-4-15 1056 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA0017221  Gilia ochroleuca subsp. bizonata Orlando Mistretta 1995-4-11 1621 Los Angeles San Gabriel Mountains: Santiago Canyon. Canyon and slopes draining W slopes of santiago Canyon ca. 1 mi. SW of confluence with Little Rock creek. 1159 Comment
  CAS-BOT-BC402056  Gilia ochroleuca subsp. vivida Timothy S. Ross 1994-5-31 7966 Los Angeles San Gabriel Mountains. Pacifico Mountain: ca 530 m due W of the 7124-ft summit; low saddle-like area, functionally the head of Santiago Canyon 2023 Comment
  JEPS14053  Gilia ochroleuca subsp. vivida Rimo Bacigalupi with Leroy Custer 1952-8-9 3907 Los Angeles s of and above Swartout Valley; San Gabriel Mountains, Blue Ridge 2255 Comment
  RSA0007322  Gilia sherman-hoytiae P. A. Munz, T. Craig 1933-5-13 12925 Los Angeles 10 miles south of Muroc. Comment
  CAS-BOT-BC123881  Gilia splendens subsp. grinnellii George Bernard Grant 1902-6-1 503 Los Angeles Mount Wilson 1828 Comment
  POM292499  Gnaphalium beneolens E. A. Purer 1933-10-7 5595 Los Angeles El Segundo. Comment
  RSA656967  Gnaphalium canescens Ian Thompson 1997-2-26 21 Los Angeles Cal Poly Pomona Ecological Reserve, north of D-line. Comment
  POM292435  Gnaphalium chilense Arthur L. Cohen 1934-8-2 494 Los Angeles Topango [Topanga] Canyon, Malibu Mountain Range, Topango Canyon Watershed. 30 Comment
  RSA597398  Gnaphalium microcephalum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5059 Los Angeles San Clemente Island, Lower Wilson Cove Canyon, bouldery, rocky draw SW and above pier aperations. 15 Comment
  CATA1338  Gnaphalium palustre Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2440 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  RSA0091317  Gnaphalium stramineum R. G. Swinney 2011-5-26 14878 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA453473  Godetia bottae L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Open trail side. Comment
  RSA0110575  Grayia spinosa Richard G. Swinney 2011-4-19 14406 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA728294  Grayia spinosa Gary D. Wallace, B. Gustafson, Dave Minor, M. Wallace, F. Runyon, B. Birdsal 1982-4-26 1957 Los Angeles Fort Tejon Road Comment
  SD231279  Grayia spinosa Sula Vanderplank, LeRoy Gross & Steve Hoskinson 2005-5-6 72 Los Angeles Transverse Ranges; San Gabriel Mountains region: Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  UCR141019  Grayia spinosa June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UCR229505  Grindelia Dan S. Cooper 2010-9-24 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Primera Dr., vicinity of Griffith Park, Los Angeles 258 Comment
  CAS-BOT-BC305265  Grindelia hirsutula Le Roy Abrams 1898-7-1 s.n. Los Angeles Inglewood Comment
  POM141  Guillenia lasiophylla Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA587333  Guillenia lasiophylla Orlando Mistretta 1992-5-4 259 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  UC1118611  Gutierrezia sarothrae G. T. Nordstrom 1935-1-8 306 Los Angeles 4 mi e of Bear Mtn; Tejon Quadrangle 944 Comment
  CATA3126  Hainardia cylindrica Amy Catalano 2016-5-25 131 Los Angeles Santa Catalina Island: Short spur road at sharp turn at south end of Big Springs Road 63 Comment
  UCR149478  Haplopappus menziesii Valerie Soza, LeRoy Gross 2000-5-25 962 Los Angeles San Gabriel Mountains, South Side, north of fire road between Ebey and Doane canyons, south of Goldenrod Spring, above Sunland 549 Comment
  RSA187721  Harpagonella palmeri R. F. Thorne 1966-4-7 35949 Los Angeles Santa Catalina Island: Cherry Valley 61 Comment
  SBBG122071  Harpagonella palmeri A. Parikh, N. Gale 2003-4-10 1739 Los Angeles 2.5 km E of jct of Bouquet Cyn Rd and Newhall Ranch Rd, N bank of Santa Clara River 400 Comment
  SEINET13203208 Image available Hazardia squarrosa var. grindelioides R. G. Swinney 2011-1 15866 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 (Crystal Lake 7.5' Q.) 1000 Comment
  CAS-BOT-BC309441  Helenium puberulum Carl B. Wolf 1932-9-16 4088 Los Angeles Bryant Ranch. 100 - 150 ft. W. of State Highway, at extreme SE. corner of Pacific Western Oil Co. Lease 3 Comment
  UCR124674  Helenium puberulum B. C. Templeton 1933-7-21 5043 Los Angeles San Gabriel Mountains, Prairie Forks 1905 Comment
  RSA708683  Helianthus gracilentus Valerie L. Soza, Miriam Sidibeh 2003-3-26 1604 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, southwest of Dorothy and Estepa Dr. intersection. 610 Comment
  RSA660478  Helianthus gracilentus Steve Teh 1994-5-20 33 Los Angeles Modjeska Grade rd. 2 mile on fire trail at intersection of other trails leading to Modjeska Canyon. Comment
  SD212494  Helianthus nuttallii A. C. Sanders, Mark Elvin 2002-6-25 25257 Los Angeles Northeast end of Santa Susana Mountains; Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mile southwest of Castaic Junction. 305 Comment
  RSA678874  Heliotropium curassavicum Julie Greene 1997-9-12 s.n. Los Angeles Intersection of Pacific Coast Highway/ Studebaker Rd., near Long Beach Marina. Salt marsh and seasonal freshwater wetland 5 Comment
  POM369757  Heliotropium curassavicum var. oculatum Robert Gustafson 1980-7-9 1802 Los Angeles Ballona Wetlands, Area 3. Comment
  SBBG128441  Helminthotheca echioides M. L. Hoefs 1995-5-23 2118 Los Angeles Middle Cyn at Thompson Reservoir 195 Comment
  RSA155852  Hemizonia clementina Peter H. Raven 1962-5-22 17836 Los Angeles Santa Catalina Island at the Isthmus. Comment
  UCR155596  Hemizonia fasciculata A. C. Sanders, Helen Kennedy 2005-4-13 29451 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  SEINET11848435  Hemizonia pungens J. F. Bright, Wyman, C. 1931-1 5734 A Los Angeles in & around Hollywood Comment
  LA35607  Hesperocnide tenella A. K. Khudairi; 1951-5-16 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA792781  Hesperocnide tenella Justin M. Wood 2009-3-24 385 Los Angeles City of Claremont: Bernard Field Station, NW corner of Mills Ave. and Foothill Blvd. Northernmost portion of the station, east of RSABG. 410 Comment
  UCR155610  Hesperolinon micranthum A. C. Sanders 2005-5-11 30145 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  UCR280512  Hesperoyucca whipplei R. G. Swinney 2014-5-13 16503 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
  SBBG45261  Heteromeles arbutifolia D. Propst 1962-11-22 Los Angeles head of Vieudelou Street, Avalon Comment
  UC535334  Heteromeles arbutifolia Ira W. Clokey, B. Templeton 1929-11-1 4602 Los Angeles Mandeville Canyon; Santa Monica Mountains 300 Comment
  RSA0072413  Heteromeles arbutifolia M. B. Dunkle 1939-4-7 7337 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  SEINET3445225  Heteromeles arbutifolia var. arbutifolia Unknown 1939-7-7 151 Los Angeles Los Angeles, Los Angeles, college campus Comment
  RSA0075802  Heterotheca grandiflora Gary D. Wallace 1978-2-12 1582 Los Angeles Palos Verdes Peninsula: N of Portuguese Bend at the end of Forrestall Drive. Comment
  RSA0066112  Heuchera elegans I. M. Johnston 1928-6-28 s.n. Los Angeles Cascade Canyon, west end Ontario Peak. 1829 Comment
  UCR194570  Heuchera elegans R. G. Swinney 1998-8-13 6740 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
  CAS-BOT-BC319773  Hieracium argutum Dr. A. Davidson 1892-8-1 s.n. Los Angeles Wilson's Peak near Los Angeles Comment
  UCR190284  Hieracium argutum var. parishii R. G. Swinney 1998-8-1 6620 Los Angeles San Gabriel Mtns., Vincent Gulch, c. 2.5 miles ESE of the summit of Mt. Baden-Powell, c. 0.6 mi. above confluence with San Gabriel River 1427 Comment
  LA200305  Hirschfeldia incana Norman A. Cole; May 1964 317 C2 Los Angeles SANTA MONICA MOUNTAINS, 1.3 mi from Pacific Coast Hwy along Rambla Pacifico. 152 Comment
  UCR205710  Hoffmannseggia glauca A. C. Sanders, T. B. Salvato 2009-5-18 36807 Los Angeles San Gabriel Valley, Montebello Hills, north side of the Pomona (60) Freeway, SW of Greenwood Ave., south of Potrero Grande Dr., under SCE powerlines near substation 116 Comment
  RSA157803  Hordeum murinum subsp. glaucum P. H. Raven 1962-5-9 17673 Los Angeles Canyon south of Mosquito Cove, San Clemente Island 320 Comment
  RSA582073  Hordeum murinum subsp. glaucum C. Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  SBBG131730  Hordeum murinum subsp. glaucum S. A. Junak 1999-5-8 SCa 908 Los Angeles W side of Fern Cyn, in Cottonwood Cyn drainage, along abandoned rd, W-facing hillside 121 Comment
  RSA639239  Hordeum murinum subsp. leporinum R. F. Thorne, M. Z. Thorne 1971-4-25 41350 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  UC572677  Hordeum vulgare Nell Murbarger May, 1936 174 Los Angeles San Clemente Island Comment
  UC185646  Horkelia cuneata subsp. puberula C. F. Baker 1904-4-20 4760 Los Angeles Claremont Comment
  UC1929890  Hornungia procumbens V. Soza, LeRoy Gross 2002-4-3 1382 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 549 Comment
  UCR256533  Hosackia oblongifolia var. oblongifolia Anuja Parikh, Nathan Gale 2011-6-20 3492 Los Angeles Transverse Range: San Gabriel Mountains, south of Rabbit Peak, 2.0 km east of Angeles Forest Hwy, just north of Monte Cristo Creek 1300 Comment
  UCR272948  Hulsea heterochroma R. G. Swinney 2011-8-5 15609 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
  RSA225810  Hulsea vestita subsp. gabrielensis R. F. Thorne, Tilforth, Dourley 1971-7-27 41085 Los Angeles Angeles National Forest: Devil's Backbone, Mt. San Antonio 2743 Comment
  RSA621260  Hulsea vestita subsp. gabrielensis L. C. Wheeler 1968-4-26 s.n. Los Angeles Head of Bad Canyon at Santa Clara Divide Road. 1303 Comment
  RSA776849  Hulsea vestita subsp. gabrielensis Orlando Mistretta, Christine Mistretta 2010-6-10 5302 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
  RSA509701  Hypericum androsaemum L. C. Wheeler 1967-8-9 10427 Los Angeles San Gabriel Mts., Angelels National Forest: Devil's Canyon S side Mt. Waterman. 2042 Comment
  SBBG96984  Hypochaeris glabra S. Boyd with T. Ross, L. Arnseth 1990-4-8 4342 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  RSA640494  Hypochaeris glabra L. C. Wheeler 1967-5-15 9572 Los Angeles San Gabriel Mountains: Ridgetop ESE of Fremont Pass. 595 Comment
  LA200218  Isocoma menziesii var. vernonioides Jonathan Sauer; D. Birindelli, L. Birindelli 1968-5-6 4346 Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  LA32039  Isocoma menziesii var. vernonioides Peter H. Raven; 1958-9-28 13736 Los Angeles Santa Monica Mountains, Elysian Park 198 Comment
  OBI28468  Isocoma menziesii var. vernonioides J. & B. Sample, B. Sample 1981-8-15 5620 Los Angeles San Pedro W of Point Fermin Park Comment
  RSA279098  Isocoma menziesii var. vernonioides R. F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45112 Los Angeles Santa Catalina Island: near Buffalo Springs Reservoir. 427 Comment
  UC1127168  Isomeris arborea G. T. Nordstrom 1935-1-8 304 Los Angeles 4 mi e Bear Mtn.; Tejon Quad. 914 Comment
  SBBG61153  Iva axillaris R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA249739  Jepsonia malvifolia R. F. Thorne 1973-2-12 42462 Los Angeles Blue Cavern Point, Santa Catalina Island. 61 Comment
  RSA527640  Jepsonia malvifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4396 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR210052  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-18 37170 Los Angeles San Gabriel Valley, Pomona, Cal Poly Pomona campus at Kellogg West 267 Comment
  UC1584754  Juglans californica var. californica Tim Ross and Annette Ross 1991-3-7 4152 Los Angeles near summit and in more mesic northerly slopes Elephant Hill; San Dimas USGS 7.5' Quadrangle, western Pomona 335 Comment
  RSA0082404  Juncus R. G. Swinney 2010-9-7 13718 Los Angeles NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks. 1768 Comment
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Oct 27 2020
  SEINET3877472  Juncus balticus Timothy S. Ross, Steve Boyd 1994-9-21 8336 Los Angeles CowW SPRING POND': sag pond on the San Andreas Fault Zone at the North foot of Liebre Mtn. and on the South side of West Oakdale Canyon Road, ca 100 m West of the Cow Spring Canyon drainage. Liebre Mountain. 7.5' USGS Quadrangle.; 0 1149 Comment
  UCR274136  Juncus bufonius Steven A. Junak 1999-7-15 SCa- 1030 Los Angeles Channel Islands, Santa Catalina Island, Bulrush Canyon 238 Comment
  RSA762430  Juncus bufonius var. bufonius R. G. Swinney 2008-10-16 9626 Los Angeles Big Pine Meadow 2061 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
  UCR270633  Juncus duranii R. G. Swinney 2011-8-17 15647 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UCR209277  Juncus macrophyllus R. G. Swinney 2008-10-7 9486 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA368238  Juncus mexicanus Anstruther Davidson 1919-1 s.n. Los Angeles Cienega. Los Angeles. Comment
  UC213662  Juncus phaeocephalus var. paniculatus I. Johnston 1917-5-13 Los Angeles El Monte 114 Comment
  UCR269253  Juncus rugulosus LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6210 Los Angeles Coastal Plains and Basins; Los Angeles Basin Region, Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA368147  Juncus textilis L. C. Wheeler 1931-9-27 166 Los Angeles San Dimas Canyon, San Gabriel Mountains. 610 Comment
  LA51516  Juncus xiphioides Peter H. Raven; Henry J. Thompson 1960-7-17 15562 Los Angeles Santa Monica Mountains, Old Topanga Canyon Comment
  RSA368401  Juncus xiphioides George R. Johnstone 1930-6-22 s.n. Los Angeles Soledad Canyon near Ravenna. 762 Comment
  CAS-BOT-BC81014  Juniperus californica Ernest C. Twisselmann 1970-9-8 17496 Los Angeles Antelope Valley: Avenue C 0.2 mile east of Highway 14 746 Comment
  UCR196009  Juniperus californica R. F. Thorne 1973-5-11 43569 Los Angeles Transverse Ranges; San Gabriel Mtns region, Mohave Desert Slope, along Mt. Emma Road, 1.9 mi west of Little Rock Creek, below the dam 1159 Comment
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Jan 27 2011
  UCR205537  Juniperus californica A. C. Sanders, T. B. Salvato 2009-5-21 36896 Los Angeles San Gabriel Valley, Whittier Narrows near South El Monte, north of San Gabriel River channel and SE of Durfee Ave., west half of Whittier Narrows Nature Center along SCE powerlines 70 Comment
  SEINET10613609  Juniperus californica William H. Brewer Brewer 110 Los Angeles California State Survey. In dry places near San Gabriel Canon. Sent by Prof. Brewer 1861. Comment
  HSC35983  Juniperus occidentalis Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-8-19 2181 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  CAS-BOT-BC235528  Keckiella antirrhinoides var. antirrhinoides Antone Blazic 1923-4-5 12 Los Angeles Los Angeles Comment
  RSA0014581  Keckiella breviflora Orlando Mistretta, Christine Mistretta 2011-6-18 5719 Los Angeles Aliso Cyn drainage, E side of Gleason Cyn on Forest Rd. 4N24. 1508 Comment
  CAS-BOT-BC235770  Keckiella cordifolia Herman Knoche 1919-6-25 Series A, No. 907 Los Angeles Avalon, Santa Catalina Island Comment
  POM158332  Keckiella cordifolia M. B. Dunkle 1928-3-4 1714 Los Angeles Orizaba Canyon, Santa Catalina Island. 244 Comment
  RSA401768A  Keckiella cordifolia Louis C. Wheeler 1931-6-17 S- 21 Los Angeles 2 1/2 miles NE of La Verne. 412 Comment
  SD37445  Keckiella cordifolia Florence Post 1931-5-13 2053 C Los Angeles Santa Susanna Pass, hillside Comment
  RSA400466  Keckiella ternata subsp. ternata L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  RSA522463  Keckiella ternata subsp. ternata Tim S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4041 Los Angeles San Gabriel Mountains: NNE of Tie Summit Station and E of Angeles National Forest. 1567 Comment
  CAS-BOT-BC246109  Keckiella ternata var. ternata A. D. E. Elmer 1902-6-1 3597 Los Angeles Acton Comment
  CAS-BOT-BC246110  Keckiella ternata var. ternata J. Ewan 1931-7-4 4741 Los Angeles 2 miles above Gold Creek Road, Pacoima Canyon, San Gabriel Mts. Comment
  CATA1336  Kickxia elatine Mark L. Hoefs, Robert F. Thorne, Janet Takara 1995-7-25 2438 Los Angeles Santa Catalina Island: Echo Lake 396 Comment
  RSA99339  Kochia scoparia Robert W. Townsend 1955-8-25 s.n. Los Angeles Between Dominguez and Wilmington on Alameda St., ca. 150 yards north of Carson St. intersection; railroad right-of-way. Comment
  UCR185971  Koeleria macrantha Michael Honer 2007-4-16 2504 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, c. 1/2 mile north of Quail Lake, 1/2 mile west of cement plant road 1037 Comment
  UCR223444  Koeleria macrantha R. G. Swinney 2009-6-3 11046 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
  UC1375289  Kopsiopsis strobilacea Robert F. Thorne, C. W. Tilforth, and John Dourley 1971-7-27 41078 Los Angeles San Gabriel Mts., Angeles National Forest: E ridge of Mt. San Antonio (Old Baldy). Comment
  RSA478766  Krascheninnikovia lanata Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  CAS-BOT-BC341492  Lagophylla ramosissima I. M. Johnston 1918-8-4 2112 Los Angeles Hills west of Pomona 304 Comment
  CAS-BOT-BC273830  Lamarckia aurea C. G. Pringle 1882-3-31 s.n. Los Angeles Los Angeles Comment
  POM352640  Lamarckia aurea M. B. Dunkle 1939-4-7 7332 Los Angeles San Clemente Island, Pyramid Cove. Comment
  SDSU5343  Lamarckia aurea R. M. Beauchamp 1967-3-17 237 Los Angeles San Clemente Island, Growing beside Officers' Barricks above Wilson Cove. Comment
  UC519990  Lamium amplexicaule Louis C. Wheeler 1932-5-30 796 Los Angeles 2 mi ne La Verne 373 Comment
  UCR271397  Lamium amplexicaule R. G. Swinney 2011-3-26 14196 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
  UCR95472  Lamium amplexicaule L. C. Wheeler 1967-4-9 9186 Los Angeles San Gabriel Mtns., San Gabriel Canyon, Canyon Inn [2280 North San Gabriel Canyon Rd., Azusa] 244 Comment
  CDA5665  Lamium amplexicaule L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; San Gabriel Mountains: Indian Canyon Campground (off Soledad Canyon) T4N R13W NW1/4 sec. 20. Elev. 2700 . Comment
  UCR99347  Larrea tridentata Steve Boyd, Lauren Raz 1996-10-14 9057 Los Angeles Libre Mountains, Near the head of of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped between Sierra Highway and Highway 14, just west of Vincent Fire Station 939 Comment
  CAS-BOT-BC338148  Lasthenia californica H. E. Hasse 1893-5-21 s.n. Los Angeles Acton Comment
  CAS-BOT-BC338125  Lasthenia californica Ralph Hoffmann 1929-4-26 s.n. Los Angeles Santa Barbara Region. 5 miles west of Castiac [Castaic], no. Los Angeles Co. Comment
  UC50365  Lasthenia glabrata subsp. coulteri H. M. Hall 1903-4-1 3736 Los Angeles Los Angeles Comment
  JEPS59910  Lasthenia gracilis Lewis S. Rose 1968-4-5 68020 Los Angeles Newhall Ranch 365 Comment
  UC62985  Lasthenia gracilis H. M. Hall May 1 1902-May 3 1902 3077 Los Angeles vicinity Elizabeth Lake; Southern California, Antelope Valley 1066 Comment
  UCR170391  Lasthenia gracilis A. C. Sanders 2005-5-5 29939 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UC1594382  Lasthenia gracilis Tim Ross and Amy Kendall 1992-4-15 6194 Los Angeles central upland portion sw Ledge (1328 ft knoll w of Stone Field Station) (236 deg sw ca 170 m distant from summit of Ledge); San Clemente Island 393 Comment
  SEINET269220  Lathyrus vestitus Scott D. White, Chet McGaugh 1995-5-9 2997 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts. Sunshine Canyon Landfill property: W of San Fernando Rd and I-5 Fwy 457 Comment
  SEINET6744576 Image available Lathyrus vestitus Marcus E. Jones 1882-1 2688 Los Angeles Pasadena Comment
  RSA603545  Lathyrus vestitus subsp. alefeldii Mark Hoefs, Robert F. Thorne 1996-4-6 2640 Los Angeles Santa Catalina Island. Renton Mine Road. 244 Comment
  RSA405674  Lathyrus vestitus subsp. laetiflorus F. R. Fosberg 1931-3-1 S- 4226 Los Angeles Topanga Canyon, 1.5 mi. below Wildwood, Santa Monica Mountains. 75 Comment
  RSA651398  Lathyrus vestitus subsp. laetiflorus G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 487 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
  POM361656  Layia glandulosa Anstruther Davidson, H. E. Hasse 1906-6-2 1467 Los Angeles Big Rock Creek. Comment
  UCR265957  Layia glandulosa Orlando Mistretta, Christine Mistretta 2005-4-21 2068 Los Angeles Transverse Range; San Gabriel Mountains, Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station 1341 Comment
  UCR270224  Layia glandulosa R. G. Swinney 2011-6-15 15159 Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  SBBG95915  Layia platyglossa M. B. Dunkle 1939-4-3 7233 Los Angeles Chenetti Cyn Comment
  PASA2319  Layia platyglossa Herman Siefert Los Angeles San Gabriel River bottom Comment
  POM19135  Layia platyglossa subsp. campestris P. A. Munz 1923-4-9 6673 Los Angeles San Clemente Island, east coast. Comment
  RSA158265  Layia platyglossa subsp. campestris Peter H. Raven 1962-4-12 17308 Los Angeles Head of canyon near the Tomb, San Clemente Island 366 Comment
  RSA368960  Lemna gibba B. C. Templeton, I. W. Clokey 1930-2-18 1485 Los Angeles La Brea Pits. 250 Comment
  RSA368975A  Lemna valdiviana Freda Detmers 1931-11-11 s.n. Los Angeles Griffith Park. Comment
  LA82032  Lepechinia fragrans Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  SBBG71594  Lepechinia fragrans Anstruther Davidson -Jul-1893 Los Angeles Switzers Camp Comment
  CAS-BOT-BC88676  Lepidium acutidens Ernest C. Twisselmann 1962-4-10 6847 Los Angeles Mojave Desert. The Mojave-Randsburg Region. Antelope Valley. Avenua A 5.1 miles northwest of Highway 6. 685 Comment
  SFV9386  Lepidium lasiocarpum M. L. Vincent, L. Swade 1964-4-2 486 A Los Angeles San Gabriel Mountains 0.5 miles south of Valyermo Road on Pallett Road. 1110 Comment
  RSA534122  Lepidium lasiocarpum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-17 5085 Los Angeles San Clemente Island. Sand dunes of coastal terrace at West Cove, SW of the new landing field 6 Comment
  RSA661077  Lepidium lasiocarpum Orlando Mistretta 1992-4-5 185 Los Angeles Guds, San Clemente Island. Comment
  UC284784  Lepidium lasiocarpum var. lasiocarpum P. A. Munz 1923-4-8 6609 Los Angeles nw coast San Clemente Island Comment
  SBBG70834  Lepidium virginicum R. Hoffmann 1928-7-7 Los Angeles Soledad Cyn Comment
  UCR137146  Leptochloa uninervia Geo. L. Moxley 1917-9-19 639 Los Angeles Oakwood Ave. [between Beverly Blvd. & Melrose Ave., south of West Hollywood, vicinity of La Brea Ave.], Los Angeles 76 Comment
  UC23418  Leptodactylon californicum Harley P. Chandler 1897-1-1 Los Angeles Claremont 701 Comment
  UC54949  Leptodactylon californicum H. P. Chandler 1895-4 2002 Los Angeles near Cahuenga Peak (Brush Canyon); near Cahuenga Peak, Brush Canyon Comment
  SFV21436  Leptodactylon californicum subsp. glandulosum L. Moore, R. Burchet, L. Gross, D. Zygielbaum 2000-6-8 50 Los Angeles Verdugo Mountains La Tuna Canyon Park. Off La Tuna Canyon Road on Santa Monica Mountains Conservancy Land. 806 Comment
  RSA73003  Leptosiphon aureus F. W. Peirson 1918-6-16 948 Los Angeles Summit of first grade up Mint Canyon, northwest base of San Gabriel Mts. 762 Comment
  RSA158328  Leptosiphon bicolor P. H. Raven 1962-4-10 17226 Los Angeles Along summit ridge about 2 miles north of Thirst, San Clemente Island 488 Comment
  RSA469977  Leptosiphon breviculus L. E. Hoffman 1932-7-4 s.n. Los Angeles Big Pines Park, Swartout Canyon Comment
  SBBG125528  Leptosiphon ciliatus A. Parikh, N. Gale 2010-6-15 3293 Los Angeles upper Big Tujunga Cyn, 0.3 km E of Shortcut Station, 0.5 km N of St Hwy 2, San Gabriel Mtns 1300 Comment
  RSA601639  Leptosiphon liniflorus L. C. Wheeler 1967-6-26 9866 Los Angeles San Gabriel Mountains : Whitney Canyon, near mouth. 434 Comment
  HSC17089  Leptosiphon liniflorus C. S. Apperson 1967-6-3 Los Angeles 5 mi. E of Gorman on Hwy. 138 Comment
  RSA783486  Leptosyne bigelovii J. D. Olmsted 1959-4-25 496 Los Angeles 1 mi. NNE of Valyermo P. O. along Holcomb Ridge east of Wrightwood-Pearblossom road. Mt. range: San Gabriel Mts.; drainage area: Big Rock Creek. 1128 Comment
  RSA569225  Leptosyne californica B. C. Templeton 1931-5-17 1206 Los Angeles Between Palmdale and Lancaster. Mojave Desert. Comment
  UCR209993  Lessingia filaginifolia R. G. Swinney 2008-7-16 9254 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  POM49618  Lessingia glandulifera var. glandulifera A. D. E. Elmer 1902-06 3620 Los Angeles Palmdale Comment
  RSA597743  Lessingia glandulifera var. glandulifera T. S. Ross, Steve Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-22 3746 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone 1707 Comment
  UC63388  Lessingia glandulifera var. glandulifera Ernest Braunton 1902-9-1 694 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC339280  Lessingia glandulifera var. glandulifera Le Roy Abrams 1901-7-21 1909 Los Angeles Claremont Comment
  CAS-BOT-BC274468  Leymus triticoides Edith A. Purer 1933-5-30 4999 Los Angeles Playa del Rey Comment
  POM156184  Leymus triticoides Le Roy Abrams 1902-6-12 2522 Los Angeles Ballona Creek, near Mesmer. Comment
  RSA594457  Leymus triticoides Steve Boyd, Lauren Raz 1996-9-24 8953 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
  RSA701594  Lilium humboldtii subsp. ocellatum Naomi Fraga, LeRoy Gross, Sarah J. De Groot, Paul Morton 2004-6-3 1237 Los Angeles In canyon bottom of Evey Canyon. 793 Comment
  RSA729406  Lilium parryi Richard G. Swinney 1998-10-3 7005 Los Angeles San Gabriel Mtns.: upper Fish Fork San Gabriel River., c. 1/2 mile east (upstream) from upper Fish Fork Campground, above 2nd waterfall in tributary from N side of San Antonio Ridge 1991 Comment
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Nov 7 2015
  RSA720292  Limonium duriusculum LeRoy Gross 2007-3-13 2602 Los Angeles Southern side of the range. Stough Canyon. From the nature center follow canyon bottom in northwest direction to where a spring of water which is at a junction with a creek from the northeast., Started from 34.21265N, 118.30568W, to 34.21674N, 118.30766W. 441 Comment
  UCR141731  Linanthus aureus L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  RSA0091726  Linanthus aureus subsp. aureus R. G. Swinney 2011-4-20 14439 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
  JEPS22746  Linanthus breviculus Rimo Bacigalupi with Reino Alava 1958-7-20 6398 Los Angeles close Angeles Crest Highway (State Highway 2) (Charlton Flat); San Gabriel Mountains, Angeles National Forest 1623 Comment
  UCR153452  Linanthus breviculus R. F. Thorne, M. Z. Thorne 1969-7-10 38399 Los Angeles Transverse Ranges: San Gabriel Mtns region, Angeles National Forest. Along Mescal Creek 2043 Comment
  UCR27496  Linanthus breviculus John C. Roos 1947-5-3 3654 Los Angeles San Gabriel Mtns, Big Pines 1890 Comment
  CAS-BOT-BC226765  Linanthus californicus V. June Wetherell; C. F. Quibell 1960-4-29 242 Los Angeles Angeles National Forest, along road to Crystal Lake Recreation Area Comment
  HSC17057  Linanthus californicus David Porter 1965-4-22 Los Angeles 1/2 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
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May 21 2014
  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
  RSA468453  Linanthus californicus subsp. glandulosus Thekla Mohr 1897-05 1931 Los Angeles North Los Angeles. Comment
  POM364707  Linanthus concinnus Anstruther Davidson 1906-6-1 s.n. Los Angeles Big Rock Creek, Lowell Mine. Comment
  RSA679942  Linanthus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 941 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  SDSU3177  Linanthus concinnus D. F. Howe 1979-4-30 5086 Los Angeles 2 miles NW of Devil's Punch Bowl. 1433 Comment
  UCR147538  Linanthus concinnus Naomi Fraga, Et al. 2004-5-26 1223 Los Angeles Transverse Ranges; San Gabriel Mountains, Off of Largo Vista Road, near intersection of dirt road that leads to Big John Flats 1585 Comment
  UC2026474  Linanthus liniflorus Louis C. Wheeler 1967-6-26 9866 Los Angeles SAN GABRIEL MOUNTAINS: Whitney Canyon, near mouth. Comment
  RSA763148  Linanthus parryae Justin M. Wood 2010-5-10 1627 Los Angeles Vicinity of Littlerock Creek; just southwest of intersection of Cheseboro Rd. and Mt. Emma Rd. 973 Comment
  SBBG64491  Linanthus parryae M. N. Ackley 1927-5-8 Los Angeles Little Rock foothills 914 Comment
  UCSB7544  Linanthus parryae Phillips, Priscilla 1958-4-26 Los Angeles 2 miles south of Palmdale, route 138 Comment
  UC23770  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2338 A Los Angeles near Fort Tejon; Antelope Valley Comment
  CATA222  Lithophragma affine Mark L. Hoefs, A. Douglas Propst 1973-5-4 211 Los Angeles Santa Catalina Island: Middle of Middle Ranch Canyon, north exposure 243 Comment
  RSA468214  Lithophragma affine subsp. mixtum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon. 350 Comment
  POM92064  Lithophragma affine subsp. mixtum H. E. Hasse 1890-04 s.n. Los Angeles [Los Angeles?] Comment
  RSA600080  Lithophragma bolanderi Steve Boyd, Lauren Raz 1997-5-20 9794 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  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
  RSA738057  Lobularia maritima M. A. Sanatay 1966-6-10 s.n. Los Angeles Verdugo Hills. 152 Comment
  RSA680342  Loeflingia squarrosa Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9604 Los Angeles Liebre Mountains: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  UCR281608  Loeseliastrum matthewsii R. G. Swinney 2014-4-10 16053 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
  UC1595262  Logfia gallica Tim Ross and Peter Fritsch 1990-6-20 3623 Los Angeles near the confluence of the e and w forks San Gabriel River; San Gabriel Mountains, Burro Canyon 445 Comment
  UC1605197  Lomatium dissectum var. multifidum Tim Ross, Steve Boyd, and Peter Fritsch 1990-6-27 3874 Los Angeles between Horse Camp Canyon and Robinson Canyon (Liebre Mt.); Liebre Mts., Liebre Mt. Quad., Liebre Mt. 1475 Comment
  UC398767  Lomatium macrocarpum Katharine Brandegee 1916-1 Los Angeles Santa Catalina Isl. Comment
  RSA587347  Lomatium mohavense Orlando Mistretta 1992-5-4 222 Los Angeles Little Rock Creek, Alimony Ridge. 1463 Comment
  SD231183  Lomatium mohavense Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 48 Los Angeles Transerves Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. 1444 Comment
  UC566869  Lomatium mohavense H. L. Mason 1926-4-26 2994 Los Angeles 1 mi. e. Palmdale Comment
  RSA252924  Lomatium mohavense subsp. mohavense R. F. Thorne, C. W. Tilforth 1973-4-20 43043 Los Angeles San Gabriel Mts., Mojave Desert slopes: 3.2 miles S of Hwy 138 along Grandview Canyon Rd. 1280 Comment
  RSA771580  Lomatium nevadense R. G. Swinney 2009-5-6 10663 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA0084176  Lomatium utriculatum Scott D. White, Sandra L. Leatherman 1998-5-19 6526 Los Angeles Castaic Lake Area: Grasshopper Cyn. watershed, between 1-5Fwy./Old Ridge Route and the Lake. Proposed North Lake Planned community. Large area, has evidenly been heavily grazed for many years. 427 Comment
  RSA717351  Lomatium vaginatum Scott D. White, Pam De Vries 2006-5-9 11400 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CAS-BOT-BC240489  Lonicera hispidula Geo. B. Grant 1901-4-9 3789 Los Angeles Avalon Comment
  CAS-BOT-BC234860  Lonicera subspicata var. denudata L. A. Greata 1900-9-23 s.n. Los Angeles Eagle Rock Canon [Canyon] Comment
  UCR13467  Lotus argophyllus subsp. ornithopus O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  RSA659758  Lotus argophyllus var. argenteus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 78 Los Angeles San Clemente Island. Comment
  UC200704  Lotus dendroideus var. dendroideus Katharine Brandegee Los Angeles Santa Catalina Island Comment
  UC454683  Lotus dendroideus var. dendroideus I. J. Condit 1911-3-27 Los Angeles Catalina Island Comment
  RSA213367  Lotus grandiflorus var. grandiflorus Reid V. Moran 1941-2-26 627 Los Angeles Johnson's Valley, Santa Catalina Island. 100 Comment
  RSA585942  Lotus grandiflorus var. grandiflorus T. S. Ross 1990-5-23 2635 Los Angeles Mt. Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft) on the watershed divide between Mill Canyon and Moody Canyon. 1308 Comment
  UCR126649  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26122 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA771560  Lotus nevadensis R. G. Swinney 2009-5-28 10943 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  RSA228891  Lotus nevadensis var. davidsonii R. F. Thorne 1971-8-25 41321 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip. 2256 Comment
  POM175415  Lotus oblongifolius var. oblongifolius Joseph A. Ewan 1930-6-23 2653 Los Angeles Little Cienega below Crystal Lake 1463 Comment
  RSA757665  Lotus procumbens var. procumbens Orlando Mistretta, Christine Mistretta 2008-4-14 2444 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 18 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 946 Comment
  UCR210261  Lotus purshianus R. G. Swinney 2008-8-13 9371 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA3496  Lotus salsuginosus C. B. Wolf 1932-5-9 3439 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  UC1293685  Lotus salsuginosus P. C. Everett and E. K. Balls 1959-6-2 23839 Los Angeles 1 mi ne entrance to Stokes Canyon; Santa Monica Mts. 213 Comment
  UCR131372  Lotus salsuginosus var. salsuginosus Jeremiah George 2001-5-29 5 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 3 Comment
  RSA406817  Lotus salsuginosus var. salsuginosus L. C. Wheeler 1934-4-22 2537 Los Angeles W side Big Santa Anita Canyon, San Gabriel Mts. 487 Comment
  SFV1859  Lotus scoparius K. A. Wilson 1961-3-12 1013 Los Angeles Santa Monica Mountains Decker Road, junction of western portion of Mulholland Highway. 457 Comment
  RSA498652  Lotus scoparius V. V. Giles 1936-7-5 212 Los Angeles 1/8 mile East Holbrook Camp, Crystal Lake Road. Comment
  POM1925  Lotus strigosus C. F. Baker 1904-4-22 4173 Los Angeles Monrovia. Comment
  RSA0053898  Lotus strigosus R. G. Swinney 2010-5-11 12621 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
  CAS-BOT-BC201201  Lupinus Charles Piper Smith 1923-7-16 3787 Los Angeles Montrose Comment
  UC865546  Lupinus I. W. Clokey and B. C. Templeton 1930-4-8 5361 Los Angeles n Elizabeth Lake; n of Elizabeth Lake Comment
  RSA536049  Lupinus agardhianus T. S. Ross 1991-5-21 5398 Los Angeles San Clemente Island: upper easterly branch of Box Canyon 457 Comment
  SEINET10838417  Lupinus albifrons var. albifrons Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4796 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
  RSA348072  Lupinus arboreus Dave Kelly, W. Wisura 1986-4-30 4113 Los Angeles Baldwin Hills, near radio towers above Co. park off La Cienega Blvd. Comment
  UC1129362  Lupinus bicolor A. D. Gifford 1934-4-23 143 Los Angeles 1 1/8 mi ne Cornell; Triunfo Pass Quadrangle Comment
  UCD107157  Lupinus bicolor Gerald Dickinson 1962-4-3 9 Los Angeles 1 mi. w. Topanga Canyon-Mllolland Santa Monica Mts. 356 Comment
  UCR125903  Lupinus bicolor A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25303 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River on mesa 366 Comment
  UCR186781  Lupinus bicolor Gary Kovnat, LeRoy Gross 2003-2-16 29 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  SD143520  Lupinus bicolor David B. Dunn, C. Epling 1946-4-19 2121 Los Angeles Along a dry ridge, west side, near the Hwy [9] miles south of the L.A. County [Honor Farm] Ridge Route, Hwy 99 762 Comment
  LA205008  Lupinus chamissonis Carl Epling; March 1925 6476 Los Angeles Clifton Comment
  RSA779260  Lupinus concinnus Pam De Vries 2011-5-4 7761 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
  RSA599284  Lupinus concinnus subsp. optatus Steve Boyd, Lauren Raz 1997-3-31 9420 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
  RSA588638  Lupinus elatus Orlando Mistretta 1994-5-31 1268 Los Angeles San Gabriel Mountains: Santiago Canyon: N slope of Pacifico Mountain. 2119 Comment
  UC1178508  Lupinus excubitus var. austromontanus Peter Kamb 1947-6-6 586 Los Angeles Angeles Crest Highway above Chilao; San Gabriel Mts., Angeles Crest Highway 1676 Comment
  SEINET10485292  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6454 x 6457 Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SEINET10485352  Lupinus formosus Donald R. Bissing 1973-6-2 Bissing 78 Los Angeles Evey canyon, san gabriel mtns. Herbaceous plant to 2 ft tall, somewhat Sprawling. Flowers blue-violet with yellow base. In open grassy meadow by Roadside, .4 mi from canyon mouth. 732 Comment
  SBBG130885  Lupinus hirsutissimus S. A. Junak 1999-5-7 SCa 894 Los Angeles N side of Middle Ranch Cyn, near head of cyn 438 Comment
  SEINET4044523  Lupinus hirsutissimus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  RSA87140  Lupinus hirsutissimus F. W. Peirson 1920-3-28 86 Los Angeles Field at foot of Tujunga Canyon, west end of San Gabriel Mountains 441 Comment
  SD84829  Lupinus hirsutissimus M. B. Dunkle 1939-4-6 7299 Los Angeles San Clemente Island, on hillside on burned over area Comment
  RSA160414  Lupinus latifolius var. parishii J. D. Olmsted 1959-5-13 624 Los Angeles Evey Canyon along N side of Creek 500 yards W of San Antonio canyon. San Gabriel Mtns, San Antonio Creek. 713 Comment
  HSC14847  Lupinus longifolius David Porter 1965-5-5 Los Angeles 0.5 mi. N of Topanga Canyon Blvd. Topanga Canyon, Santa Monica Mtns. 412 Comment
  RSA225711  Lupinus longifolius R. F. Thorne 1971-5-22 39704 Los Angeles San Gabriel Mountains: Near mouth of Fish Canyon. 244 Comment
  RSA632423  Lupinus longifolius Valerie L. Soza, LeRoy Gross 1999-7-15 634 Los Angeles San Gabriel Mountains: Helispot off Mt. Wilson Trail, 2.7 miles from trailhead in Sierra Madre. . 822 Comment
  RSA276039  Lupinus longifolius Jack Delaini 1974-4-30 176 Los Angeles W ridge of Canyon 777 Comment
  RSA91322  Lupinus longifolius F. W. Peirson 1920-5-6 7724 Los Angeles Fish Canyon, S base of San Gabriel Mts 777 Comment
  SEINET10485624  Lupinus longifolius Wolf 1941-7-2 WOLF 18992 Los Angeles Field collected from along hwy about 1 mi e of la crescenta. 488 Comment
  UC285023  Lupinus microcarpus var. densiflorus P. A. Munz 1923-5-27 6880 Los Angeles Rock Creek; San Gabriel Mts., Rock Creek 1295 Comment
  HSC24296  Lupinus odoratus var. odoratus J. Baltierra 1971-5-2 17 Los Angeles 15 mi. E of Palmdale on S slope of Lovejoy Buttes in Mojave Desert 976 Comment
  RSA414248  Lupinus shockleyi Christopher Davidson 1973-4-7 1909 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  UCR258776  Lupinus sparsiflorus R. G. Swinney 2010-2-27 11776 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
  UCR280774  Lupinus sparsiflorus R. G. Swinney 2014-5-19 16589 Los Angeles San Gabriel Mountains, Glendora, ridge between east fork of Harrow Cyn. and west fork of Engelwild Cyn., 0.4 mile SSE of Glendora Ridge Motorway 622 Comment
  UCR96328  Lupinus sparsiflorus B. G. Pitzer 1996-4-20 2683 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  RSA656102  Lupinus subvexus James Henrickson 1985-3-30 19762 Los Angeles 3 air mi. NNW of Newhall in proposed North Hills development just north of Santa Clara River and just E of San Francisquito Creek. 370 Comment
  CATA24  Lupinus succulentus Mark L. Hoefs, A. Douglas Propst 1973-3-3 9 Los Angeles Santa Catalina Island: Airport Road above White's Landing, channel slope, north exposure 335 Comment
  CHSC98736  Lupinus succulentus LeRoy Gross; Mariam Sidibeh, Valerie Soza 2003-2-10 695 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. South side of slope at saddle of Verdugo Motorway and Brand Park Motorway. 822 Comment
  POM2541  Lupinus succulentus Edward L. Greene 1904-4-15 4188 Los Angeles Claremont. Comment
  RSA414334  Lupinus succulentus Ora M. Clark 1929-3-3 1664 Los Angeles North pacific Beach Comment
  CAS-BOT-BC176967  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 560 Comment
  UCR200005  Lupinus truncatus Valerie Soza, Mariam Sidibeh 2003-3-26 1607 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  UCR259951  Lupinus truncatus R. G. Swinney 2010-4-28 12434 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  SFV15693  Lupinus truncatus H. L. Fredell 1992-4-22 105 Los Angeles San Gabriel Mountains Chiquito Canyon, Chiquito Canyon Road, 1.2 miles northeast of CA-Highway 126. Comment
  UC166885  Lycium brevipes var. hassei George B. Grant and Walter Wheeler Apr 21 1904-Apr 26 1904 739 a6151 Los Angeles Santa Catalina Island Comment
  SBBG12669  Lycium californicum E. R. Blakley 1962-6-10 5216 Los Angeles Wilson Cove 9 Comment
  UCSB52770  Lycium californicum Boutin, F. 1967-4-23 Los Angeles San Clemente Island Comment
  RSA250706  Lycium cooperi Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39543 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1250 Comment
  UCR141205  Lycium cooperi June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  UCR270059  Lycium cooperi R. G. Swinney 2011-4-20 14443 Los Angeles San Gabriel Mountains, Mt. Emma Rd., 3 miles NE of jct. with Angeles Forest Hwy and to 0.5 mile upstream in Hunt Cyn. 1268 Comment
  LA33646  Lycopersicon esculentum Peter H. Raven; 1959-10-25 14699 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  SEINET10696887  Lycopersicon esculentum Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2534 Los Angeles The Farmers Market, 6333 3rd St. Stand: Farm Fresh. Comment
  UCR71162  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4403 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA582448  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8204 Los Angeles Santa Catalina Island. W end of the island, midway between Star Bay and Black Point. 280 Comment
  RSA589872  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8208 Los Angeles Santa Catalina Island. W end of island, N side of main east-west ridge system, at head of Bouchette Canyon draining NE to Johnson's Landing. 405 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
  RSA593586  Lythrum californicum Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8838 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  UC75253  Lythrum californicum C. F. Baker 1903-7-20 3349 Los Angeles Pacific Coast, Claremont Claremont; Pacific Coast, Claremont Comment
  RSA583027  Madia exigua Timothy S. Ross, Janet Takara, S. Otte 1993-4-24 6956 Los Angeles Santa Catalina Island; W end of island beyond the isthmus, head of Bouchette Canyon (draining Northward to Johnsons Landing). 360 Comment
  SBBG31031  Madia exigua R. F. Thorne, M. Z. Thorne 1966-5-1 36416 Los Angeles Fern Cyn, W of Orizaba Mtn 228 Comment
  RSA770896  Madia gracilis R. F. Thorne 1965-5-10 34481 Los Angeles Upper end of Gallagher Canyon, Santa Catalina Island. 412 Comment
  UCR231393  Madia gracilis Dan S. Cooper 2011-10-5 1011- 127 Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, upper Fern Canyon 244 Comment
  RSA0008556  Mahonia nevinii Gary D. Wallace, Scott Eliason 1998-2-20 s.n. Los Angeles San Gabriel Mountains: Lopez Canyon north of San Fernando, Angeles National Forest. 457 Comment
  CAS-BOT-BC231880  Malacothamnus davidsonii Carl B. Wolf 1931-7-30 3897 Los Angeles 1/2 mile east of San Fernando, San Fernando Valley 304 Comment
  RSA563514  Malacothamnus davidsonii Tim S. Ross, Steve D. Boyd 1993-6-30 7387 Los Angeles Western SAN GABRIEL MTS.: near middle portion of Loop Canyon. 684 Comment
  LA200655  Malacothamnus fasciculatus Norman A. Cole; May 1964 392 Los Angeles Santa Monica Mountains, 3.1 mi. E from junction of Mulholland and Cornell Road 274 Comment
  RSA0091130  Malacothamnus fasciculatus R. G. Swinney 2010-5-7 12580 Los Angeles Lake View Terrace, ridge to the immediate west of Oliver Canyon, 0.8 air mile N of I-210 Fwy. 494 Comment
  RSA433296  Malacothamnus fasciculatus Blanche Trask 190 Los Angeles Avalon, Santa Catalina Island. Comment
  SD113766  Malacothamnus fasciculatus D. F. Howe 1951-10-7 2164 Los Angeles Santa Monica Mts. Near the coast. Comment
  RSA0078581  Malacothamnus fasciculatus Ira W. Clokey, B. Templeton 1929-07 4593 Los Angeles Mandeville Canyon, Santa Monica Mountains. 200 Comment
  CHSC62046  Malacothamnus fasciculatus var. fasciculatus L. P. Janeway 1993-10-5 4607 Los Angeles Puente Hills; at the head of Arroyo San Miguel 228 Comment
  CAS-BOT-BC206361  Malacothamnus fremontii Le Roy Abrams; E. A. McGregor 1908-6-22 405 Los Angeles Between Oak Grove Canyon and Elizabeth Lake Comment
  CAS-BOT-BC206372  Malacothamnus fremontii Timothy S. Ross; Steve Boyd 1990-6-18 3498 Los Angeles 1500 m due N of Jackson Lake, betwen the Boulder Canyon and Mescal Creek drainages, Ball Flat - San Gabriel Mountains 1767 Comment
  RSA225994  Malacothamnus fremontii Robert F. Thorne, C. W. Tilforth 1971-6-29 40639 Los Angeles Along Little Rock Creek, 4 mi. above Litle Rock Dam 1037 Comment
  RSA585155  Malacothamnus fremontii Tim S. Ross, Steve D. Boyd 1990-5-31 2732 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  UC2029926  Malacothamnus fremontii S. D. White, Kent Hughes 2000-5-16 7836 Los Angeles SAN GABRIEL MTS.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. Comment
  CAS-BOT-BC204189  Malacothamnus marrubioides John Thomas Howell 1950-11-9 27485 Los Angeles 12 miles n. of Castac [Castaic] 609 Comment
  UCR51038  Malacothrix californica A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7764 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  UCR107824  Malacothrix clevelandii L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mtns., San Antonio Canyon, north side of ridge north of Cascade Canyon 1189 Comment
  RSA638210  Malacothrix clevelandii L. C. Wheeler 1967-5-15 9580 Los Angeles San Gabriel Mountains: South side Elsmere Canyon near the mouth. 518 Comment
  RSA233406  Malacothrix foliosa R. F. Thorne 1966-4-15 36009 Los Angeles San Clemente Island, rocky sea-bluff 1/2 mile SSE of Eel Point, SW side of island 3 Comment
  SBBG18363  Malacothrix glabrata M. A. Piehl 1963-5-30 63504 Los Angeles St Hwy 138, ca. 1.5 mi W of SBD county line 1213 Comment
  UCR132229  Malacothrix glabrata June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, north of Calif. Hwy 18 at the boundary of Los Angeles and San Bernardino Counties in Antelope Valley 1037 Comment
  UCR149364  Malacothrix saxatilis Scott D. White, Brian Leatherman 2003-11-17 9859 Los Angeles Transverse Ranges; San Gabriel Mountains region, Glendora; South Hills between Big Dalton Wash and the I-210 305 Comment
Read comments
Aug 14 2009
  UCR256198  Malacothrix saxatilis R. G. Swinney 2010-3-22 12011 Los Angeles San Gabriel Mountains, West Fork Kagel Canyon, 0.5 miles west of Kagel Cyn. Rd. along Lopez Rd., 10-100 meters east of Lopez Rd. 540 Comment
  SBBG66172  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-3 4480 Los Angeles Pebbly Beach 5 Comment
  SD69584  Malacothrix saxatilis var. tenuifolia Robert F. Thorne 1966-9-16 36725 Los Angeles Santa Catalina Island; Lookout Point southeast of Pebbly Beach. 45 Comment
  UC1922891  Malacothrix saxatilis var. tenuifolia Valerie Soza, L. Lubinsky 2001-5-16 1229 Los Angeles Transverse Ranges; Verdugo Mountains; Northern San Rafael Hills, Liz's Loop (Edison Road) to Cherry Canyon Fire Road 488 Comment
  RSA0048473  Malacothrix saxatilis var. tenuifolia A. Lee Haines 1970-4-24 s.n. Los Angeles Point Dume. Comment
  RSA781095  Malacothrix saxatilis var. tenuifolia Sandy Leatherman, Pam DeVries 2011-4-27 2011 -6 Los Angeles Transverse Ranges; Liebre Mountains region: on the cliff face adjacent to Mesa Drive Road, 200 meters soutwest of Vasquez Canyon Road in Santa Clarita 638 Comment
  RSA199156  Malosma laurina R. F. Thorne, D. Propst 1968-5-29 37688 Los Angeles Santa Catalina Island. Upper part of Cape Canyon on slopes of Black Jack Mt. 320 Comment
  RSA657370  Malosma laurina Joseph M. Keefe 2001-1-19 30951 Los Angeles South by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles, 90041. 305 Comment
  SD112042  Malosma laurina Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island in mid-Avalon Canyon, Hour Trail. Comment
  RSA434876  Malva nicaeensis Anstruther Davidson 1919-06 3318 Los Angeles Temple and Bonnie Brae, Los Angeles Comment
  RSA658517  Malva pseudolavatera Diane Elliott 1985-4-26 14 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SBBG12258  Malvella leprosa P. H. Raven 1962-7-10 17956 Los Angeles N of a point W of Wall 2 30 Comment
  POM307069  Malvella leprosa Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1937 Los Angeles Near Walnut, roadside. Comment
  UCR263072  Marah Mitch Provance 2008-4-14 10149 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
  SBBG69450  Marah macrocarpa M. N. Ackley -Mar-1928 118 Los Angeles Eagle Rock 213 Comment
  SFV5526  Marah macrocarpa W. A. Kelley 1968-1-20 76 1 Los Angeles Santa Susana Mountains Santa Susana Pass, Chatsworth. 500 Comment
  UCD107547  Marah macrocarpa Gordon Pilone 1961-3-22 6 Los Angeles Wash area of Pomona College in Claremont. 365 Comment
  UCR127366  Marah macrocarpa Mark A. Elvin 2003-4-9 2470 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  SD20937  Marah macrocarpa Paul F. Covel 1938-4-19 Los Angeles Mojave near Lancaster Comment
  UC1005134  Marah macrocarpa J. D. Laudermilk 1940-4-24 Los Angeles near Baseline Road (Indian Hill Blvd.); Claremont Comment
  RSA440989  Marah macrocarpa var. macrocarpa L. E. Hoffman 1932-3-24 s.n. Los Angeles Trail Canyon Comment
  RSA409838  Marrubium vulgare James B. McNair 1934-5-1 s.n. Los Angeles Verdugo Woodlands, N. Glendale. Comment
  SEINET11601826 Image available Matricaria discoidea G. B. Grant 752 Los Angeles Pasadena Comment
  POM346630  Meconella denticulata Barry Burnell 1971-4-26 331 Los Angeles San Dimas Canyon: 6.2 mi. from intersection of Foothill Road and San Dimas Canyon Road. San Dimas Canyon to Pacific Slope Drainage Area. 480 Comment
  POM8022  Meconella denticulata F. L. Robinson 1920-4-28 s.n. Los Angeles San Dimas Canyon. Comment
  CHSC99686  Medicago lupulina LeRoy Gross 2003-5-19 1026 Los Angeles Coastal Plains and Basins; San Fernando Valley Basin region: City of Sunland. Bluff south side of Big Tujunga Wash, weed in yard in housing tract called 'Sunhill Estates'. 366 Comment
  UC1215280  Medicago polymorpha Peter H. Raven 1962-4-9 17130 Los Angeles Wilson Cove San Clemente Island (near barracks) 60 Comment
  UCR186880  Medicago polymorpha A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32041 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
  RSA652180  Medicago sativa A. E. Hersh 1950-6-30 s.n. Los Angeles Campus UCLA, Faculty Hill, Los Angeles 60 Comment
  SEINET7839521  Medicago sativa G. B. Grant 1903-1 759 Los Angeles Pasadena Comment
  UCR45028  Melaleuca nesophila A. C. Sanders 1986-7-30 6807 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
  RSA256320  Melica imperfecta J. R. Reeder 1973-6-1 6229 Los Angeles Angeles National Forest, San Gabriel Mountains, Monte Cristo Campground. 1098 Comment
  RSA674639  Melica imperfecta Scott D. White, Kent Hughes 2000-5-16 7860 Los Angeles San Gabriel Mts.: Northern foothills near Acton. Bajada slopes and unnamed ephemeral tributaries to Arrastre Cyn. 976 Comment
  RSA717866  Melica imperfecta R. G. Swinney 1997-4-25 5509 Los Angeles At peak of Iron Mountain, 4-5 air miles NW of Mt. Baldy village. 2405 Comment
  UC926596  Melica imperfecta Agnes Chase Apr 12 1910-Apr 15 1910 1125 Los Angeles Playa del Rey Comment
  RSA720367  Melilotus albus LeRoy Gross 2007-4-6 2624 Los Angeles Southern base of the range: Debris basin behind Bel Aire Park, at the intersection of Cambridge Drive and Bel Aire Drive. City of Burbank. 273 Comment
  RSA0085332  Melilotus indicus R. G. Swinney 2010-4-1 12163 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  SBBG108151  Melilotus indicus S. L. Crockett, M. L. Hoefs, S. A. Junak 1997-3-27 600 Los Angeles 0.2 mi N on lower Cape Cyn Reservoir Rd from jct with Cape Cyn Rd; ca. 10 m E of rd 286 Comment
  UCR271824  Melilotus indicus R. G. Swinney 2010-3-24 12068 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
  RSA483728  Melilotus indicus Richard Noyes 1988-4-30 522 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  UCSB3451  Melilotus indicus Haller, Norman 1953-3-4 Los Angeles Faculty Hill, U.C.L.A. Comment
  UCR252752  Mentha X rotundifolia R. G. Swinney 2010-9-1 13656 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds 341 Comment
  RSA595113  Mentzelia affinis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8581 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  RSA659680  Mentzelia affinis Chris White 1991-5-12 2 Los Angeles Royal Palms. Comment
  JEPS41149  Mentzelia albicaulis W. L. Jepson 1935-4-17 17041 Los Angeles 6 1/2 mi w Lancaster (on a Yucca brevifolia mesa) 731 Comment
  RSA69691  Mentzelia albicaulis F. W. Peirson 1917-5-13 749 Los Angeles Near Big Rock Creek, Mojave Desert; San Gabriel Mountains. Comment
  UCR189740  Mentzelia congesta R. G. Swinney 1998-7-10 6383 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  RSA149737  Mentzelia laevicaulis Wesley O. Griesel 1961-8-9 s.n. Los Angeles San Gabriel Mts. State Highway #2 between Dawson Saddle and Vincents Gap. 2287 Comment
  UC187603  Mentzelia micrantha Katharine Brandegee May 17 1916-May 25 1916 Los Angeles Santa Catalina Island Comment
  JEPS42751  Mentzelia micrantha Frank W. Peirson 1918-6-12 119 Los Angeles San Gabriel Mts., Lower Rubio Canyon 579 Comment
  RSA774594  Mentzelia montana Orlando Mistretta, Christine Mistretta 2010-6-10 5294 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
  CAS-BOT-BC167628  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-11 7803 Los Angeles Sawmill Mountain: W summit area ca 260-350 m SE of Sawmill Campground 1621 Comment
  RSA606013  Mentzelia veatchiana Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil s Canyon, depression on bench NE of Campground. 1433 Comment
  UCR222790  Mentzelia veatchiana R. G. Swinney 2009-5-12 10747 Los Angeles Transverse Range; San Gabriel Mtns., lower Brainard Canyon, 1.4-1.8 miles south of Mt. Emma Rd., 2.9 mi. SSE (164 deg. ) of Littlerock 1088 Comment
  UCR231908  Mentzelia veatchiana Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7995 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m west of Sierra Highway and 200 m south of Avenue A 703 Comment
  RSA314590  Mentzelia veatchiana Robert F. Thorne, C. W. Tilforth 1973-4-20 43098 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1037 Comment
Read comments
Dec 21 2013
  RSA402604  Mesembryanthemum crystallinum Anstruther Davidson 1891-6-14 s.n. Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] Comment
  RSA402612  Mesembryanthemum crystallinum F. R. Fosberg 1930-6-30 S- 3051 Los Angeles Del Rey 2 Comment
  CAS-BOT-BC435282  Mesembryanthemum nodiflorum Alice Eastwood 1920-4-20 9378 Los Angeles San Pedro Comment
  JEPS40614  Micropus californicus var. californicus W. L. Jepson 1939-4-14 19105 Los Angeles Russell Valley Comment
  RSA512054  Micropus californicus var. californicus L. C. Wheeler 1967-5-18 9613 Los Angeles Placerita Canyon 518 Comment
  RSA251536  Microseris elegans R. F. Thorne 1973-4-11 42819 -b Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  RSA595366  Microseris heterocarpa L. C. Wheeler 1967-5-8 9364 Los Angeles San Gabriel Mountains [Liebre Mtns]; Northeast foothills. 412 Comment
  UCR259089  Microseris lindleyi R. G. Swinney 2010-5-12 12754 Los Angeles San Gabriel Mountains, Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UCSB23321  Microsteris gracilis Keefe, Joseph 1967-2-17 Los Angeles Hungry Valley Road; 1 mile south of U.S. Highway 99; southwest of Gorman 1158 Comment
  JEPS4580  Mimulus Frank W. Peirson 1919-5-18 434 Los Angeles hills e Monrovia Canyon; San Gabriel Mountains 457 Comment
  RSA439234  Mimulus aurantiacus var. pubescens L. B. Ware 1971-5-16 101 Los Angeles Tuna Canyon (east side), Santa Monica mountains. 168 Comment
  UC1929505  Mimulus aurantiacus var. pubescens Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 358 Los Angeles Transverse Ranges; San Gabriel Mountains Region: San Gabriel Mountains, Angeles National Forest, 2.7 mi from gate at Mt. Baldy Road. Comment
  UCR255821  Mimulus aurantiacus var. pubescens R. G. Swinney 2010-5-4 12505 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
  UCSB10382  Mimulus brevipes Wedberg, H. 1957-5-9 Los Angeles 4 Mi N Hwy 61; Latigo Cyn Comment
  POM246632  Mimulus cardinalis F. R. Fosberg 1931-5-7 S- 4846 Los Angeles Cottonwood Canyon, left fork, Santa Catalina Island. 220 Comment
  UC1595435  Mimulus cardinalis Tim Ross 1992-7-10 6675 Los Angeles between Coldwater Canyon and Wickiup Canyon; San Gabriel Mountains, Big Tujunga Creek 967 Comment
  RSA779876  Mimulus floribundus R. G. Swinney 2009-4-3 10277 Los Angeles Duarte/Azusa border, San Gabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. 183 Comment
  UCR272578  Mimulus floribundus R. G. Swinney 2011-5-24 14816 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  RSA515170  Mimulus fremontii Steve Boyd, O. Mistretta 1986-3-31 1552 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  SFV21882  Mimulus fremontii L. L. Zung 2011-5-17 8 Los Angeles San Gabriel Mountains Juniper Hills. 1280 Comment
  LA51866  Mimulus guttatus A. M. Johnson; 1932-5-30 4092 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  SBBG96964  Mimulus guttatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4304 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  RSA0056583  Mimulus johnstonii LeRoy Gross, Michael Denslow 2003-6-4 969 Los Angeles Trail from Islip Saddle to Mt. Williamson. 2195 Comment
  RSA0091136  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA748749  Mimulus pilosus R. G. Swinney 2005-8-15 8483 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  UCR189975  Mimulus pilosus R. G. Swinney 1998-8-31 6874 Los Angeles San Gabriel Mtns., San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy 2378 Comment
  UCR108169  Mirabilis californica Jeanne Gural, Valerie Soza 1997-3-26 15 Los Angeles Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard 412 Comment
  RSA127838  Mirabilis laevis var. crassifolia Peter H. Raven 1959-4-4 s.n. Los Angeles East of Zuma Beach, Santa Monica Mountains. 30 Comment
  CAS-BOT-BC434812  Mirabilis laevis var. retrorsa Ellis; Morse 1940-5-20 s.n. Los Angeles Mojave Desert, region Palmdale Comment
  OBI44788  Mirabilis laevis var. villosa David J. Keil, V. L. Holland, Michael Stiles, & Francis Villablanca 1987-5-1 20046 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA764515  Mirabilis multiflora var. pubescens Orlando Mistretta, Christine Mistretta 2008-5-3 2624 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 31 per TRTP Survey 2008), in the vicinity of Portal Ridge, SE of Elizabeth Lake Rd. 958 Comment
  SEINET892763  Monardella breweri subsp. lanceolata Victor Duran 1933-1 3514 Los Angeles Sulphur Springs, San Gabriel Mountains 1524 Comment
  RSA0042751  Monardella candicans Bonnie C. Templeton 1971-5-16 11609 Los Angeles About 7 miles northeast of Palmdale. 815 Comment
  POM49423  Monardella exilis A. D. E. Elmer 1902-06 3648 Los Angeles Palmdale. Comment
  UCR157990  Monardella exilis David Charlton, Mark Hagen 1989-6-14 3253 Los Angeles Western Mojave Desert, southwest of Piute Ponds, Edwards Air Force Base 701 Comment
  CAS-BOT-BC220438  Monardella saxicola W. R. Shaw 1901-3-30 551 Los Angeles Brown's Flat trail, San Antonio Mt. 1524 Comment
  RSA0003929  Monardella saxicola I. M. Johnston 1917-7-1 1440 Los Angeles Head of Evey canyon (on sunset trail) 1448 Comment
  RSA727736  Monoptilon bellidiforme R. G. Swinney 1998-5-16 6099 Los Angeles San Gabrial Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, Graham Canyon, 1.7 mi. N of Panorama Way at Graham Cyn. Motorway, 0.6 mi. S of Ft. Tejon Rd. 1220 Comment
  SEINET10924683  Morus alba Mary Merello, Heidi H. Schmidt 1999-12-3 Merello 2507 Los Angeles City of Pasadena. Good Food Market, 1864 E. Washington. Comment
  POM2176  Mucronea californica N. R. Shaw 1900-6-10 s.n. Los Angeles Claremont. Comment
  RSA725184  Mucronea perfoliata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -106 Los Angeles N side of the San Gabriel Mountains. Right at the North End of Bob's Gap. 1433 Comment
  UC535054  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek San Gabriel Mts. 1600 Comment
  UCD86747  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles San Gabriel Mts. South Fork Big Rock Creek. 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
  LA9665  Muhlenbergia microsperma Carl Epling; M. Epling 1925-5-15 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  UC122423  Muhlenbergia microsperma T. S. Brandegee 1890-5-13 Los Angeles Santa Catalina Island Comment
  UCR128125  Muhlenbergia microsperma Anuja Parikh, Nathan Gale 2003-6-5 s.n. Los Angeles N side of Santa Susana Mtns., Newhall Ranch, western face of the ridge between Potrero and Salt Canyons, just south of the Santa Clara River, survey area 78 427 Comment
  UC205630  Muhlenbergia richardsonis I. M. Johnston 1917-8-21 1628 Los Angeles San Antonio Mountains, Upper San Antonio Canyon Comment
  SEINET13387061 Image available Muhlenbergia rigens R. G. Swinney 2011-1 15732 Los Angeles San Gabriel Mountains: east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream (Chilao Flat 7.5' Q.) (T3N R11W S34) 1536 Comment
  SBBG108939  Munzothamnus blairii S. A. Junak 1996-9-28 SCl 676 Los Angeles Box Cyn, ca. 0.5 mi downstream from Triangulation Pt "Snapper" 304 Comment
  SBBG52890  Munzothamnus blairii F. C. Boutin 1967-4-23 1666 Los Angeles Lemon Tank 304 Comment
  UC1215227  Munzothamnus blairii Peter H. Raven 1962-7-11 17992 Los Angeles ne of Lemon Tank (about half way down, canyon n of station Nanny); San Clemente Island Comment
  RSA733154  Myriophyllum R. G. Swinney 1997-6-19 5610 -A Los Angeles San Gabriel Mtns.: SE end of Jackson Lake, west of Wrightwood 1872 Comment
  SBBG98514  Myriopteris newberryi T. Ross 1991-5-23 5485 Los Angeles lower Tota Cyn, E escarpment 44 Comment
  SD85078  Myriopteris newberryi E. R. Blakley 1963-12-7 6349 Los Angeles San Clemente Island, canyon between Pyramid Head and Cove, and south of Triangulation Point Guds 29 Comment
  RSA74724  Nama demissa var. demissa F. W. Peirson 1921-5-19 2415 Los Angeles Little Rock Creek: north base of San Gabriel Mountains. 1037 Comment
  SBBG128214  Nassella lepida M. L. Hoefs, S. A. Junak, J. T. Columbus 2001-5-25 3187 Los Angeles ridge above KBRT radio station, W of airport rd jct 432 Comment
  SBBG13310  Nassella lepida M. A. Piehl 1962-6-9 62348 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UC2029943  Nassella lepida Valerie Soza, LeRoy Gross 2001-5-14 1214 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.7 mile west of the Santa Anita Dam. Comment
  RSA0034460  Nassella lepida Ron Martinolich 1991-5-14 76 Los Angeles Los Angeles, Muholland Drive, 1.7 mi. west of intersection with Encino Hills Dr. Comment
  LA33435  Nassella pulchra Peter H. Raven; 1959-5-9 14161 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  POM479  Nasturtium officinale W. R. Dudley 1896-6-12 4436 Los Angeles Gorman's Station Comment
  UC1075815  Navarretia atractyloides E. K. Balls 1955-6-23 20792 Los Angeles Botanic Garden site Claremont 335 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
  UC729521  Navarretia hamata subsp. leptantha Carl B. Wolf 1932-5-13 Los Angeles Hamilton Canyon, along ridge fence-line Santa Catalina Island 243 Comment
  RSA0091869  Navarretia hamata subsp. leptantha Steven A. Junak, Ralph N. Philbrick 2001-5-17 SCa- 1526 Los Angeles Santa Catalina Island. E of Little Harbor, near Sheep Chute Ridge Road, ca. 0.4 mile from intersection with Little Harbor Road, overlooking Campo Blanco Canyon. 97 Comment
  JEPS78507  Nemacladus longiflorus var. longiflorus Frank W. Peirson 1921-6-21 2453 Los Angeles San Gabriel Mountains, West Fork of San Gabriel River 640 Comment
  JEPS5226  Nemacladus ramosissimus Frank W. Peirson 1918-6-4 220 Los Angeles foothills e. of Rubio Canyon; San Gabriel Mountains 609 Comment
  JEPS1497  Nemophila menziesii John Thomas Howell 1928-2-9 3329 Los Angeles Santa Anita Canyon , Santa Anita Canyon (San Gabriel Mts.) Comment
  UCR192038  Nemophila menziesii A. C. Sanders 2008-4-11 34859 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, NW of VABM 'Pine 970 Comment
  RSA421300  Nemophila menziesii Louis C. Wheeler 1932-3-25 514 Los Angeles 2 miles N Claremont. 412 Comment
  RSA421375  Nemophila menziesii var. integrifolia Louis C. Wheeler 1932-4-16 635 Los Angeles W fork Santa Anita Canyon. 762 Comment
  RSA729931  Nemophila menziesii var. menziesii R. G. Swinney 1998-4-14 6025 Los Angeles Southern Mojave Desert: 100 m east of mouth of Mescal Canyon, in Mescal Heights area, 50 m E of 237th St. East 1512 Comment
  UCR260374  Nerium oleander R. G. Swinney 2010-4-1 12157 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  SEINET157213  Nicotiana glauca K. Devine 2005-7-24 45 Los Angeles Los Angeles Hollywood Hills area.Top of Tullis Dr. off Clearwater Canyon. 121 Comment
  UCR149801  Nicotiana quadrivalvis Scott D. White, Pam Devries 2004-6-14 10488 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  SEINET10696851  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3962 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SBBG116375  Oenothera californica subsp. californica R. Burgess, P. Munro 2002-5-6 5138 Los Angeles Hungry Valley Rd, 0.5 mi W of Smokey Bear Rd 914 Comment
  RSA125209  Oenothera californica subsp. californica P. A. Munz 1957-5-15 22578 Los Angeles 14 mi. E of Lancaster. Comment
  POM355613  Oenothera deltoides subsp. deltoides Unspecified 1906-06 s.n. Los Angeles Lancaster. Comment
  UCR210333  Oenothera elata subsp. hirsutissima R. G. Swinney 2008-11-29 9859 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  LA202430  Oenothera villosa subsp. strigosa Arthur C. Gibson; 2005-6-5 5072 Los Angeles Comment
  IRVC27307  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon NE end of Santa Susana Mtns. 335 Comment
  SEINET10732291 Image available Opuntia X occidentalis George Engelmann 1880-9-18 Engelmann s.n. Los Angeles Comment
  POM317739  Opuntia littoralis David Walkington 1963-6-20 187 Los Angeles North of Puddingstone Rd., 0.2 miles west of Casa de carrion homestead. 305 Comment
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Aug 13 2014
  RSA595952  Orcuttia californica J. Travis Columbus, C. R. Annable, C. dos Santos, J. Mark Porter, M. E. Siqueiros D 1996-6-5 2687 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 rd. mi. W from jct. with Sierra Hwy.., In vernal pool basin (not evident from rd.) on shelf just N of and above Plum Canyon bottom and rd turnout with an adjacent Populus sp., in NE of 3 small depressions within basin 610 Comment
  JEPS11683  Orobanche bulbosa Frank W. Peirson 1919-5-14 417 Los Angeles e. trail Mt. Lowe; San Gabriel Mts., Mt. Lowe 1295 Comment
  RSA0076174  Orobanche bulbosa Thomas T. Craig, W. Simonds 1927-4-30 227 Los Angeles Divide between Evey and Palmer Canyons, San Gabriel Mts. Comment
  RSA601332  Orobanche fasciculata Steve Boyd, Lauren Raz 1997-6-17 9962 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  RSA775126  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2010-6-7 5276 Los Angeles Mill Creek Canyon; vicinity of Iron Mountain, along Southern California Edison transmission line corridor. 1361 Comment
  RSA0013171  Orobanche fasciculata Orlando Mistretta, Christine Mistretta 2011-6-23 5744 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA0066513  Orobanche fasciculata Robert F. Thorne 1966-4-28 36235 Los Angeles Santa Catalina Island: Near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  JEPS79817  Orobanche valida subsp. valida W. P. Armstrong 1979-8-1 Los Angeles s.e. firebreak ridge of Lookout Mt. (w. side of ridge) 1798 Comment
  UC897746  Osmadenia tenella Louis C. Wheeler 1932-6-4 799 Los Angeles Liveoak Canyon San gabriel Mts. 518 Comment
  RSA97392  Osmorhiza brachypoda F. W. Peirson 1919-5-21 451 Los Angeles Arroyo Seco Canyon, near Pasadena. 610 Comment
  RSA656419  Oxalis pes-caprae Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  RSA594795  Oxytheca trilobata Steve Boyd, Lauren Raz 1996-10-29 9099 Los Angeles Liebre Mountains region, western end of Sawmill Mountain in saddle with Liebre Mountain at the head of the North Fork Fish Canyon, along Forest Service Road 7N23, ca. 0.6 miles east of junction with 7N19, the road to Atmore Meadows. 1476 Comment
  UCR281977  Oxytheca trilobata R. G. Swinney 2014-4-24 16205 Los Angeles San Gabriel Mountains, NE of Valyermo, wash and plateau at north end of Bob's Gap, 3.1-3.6 miles south of Hwy. 138, c. 0.2 miles east of Bob's Gap Rd., east of Bob's Gap Wash 1293 Comment
  RSA612201  Paeonia californica B. Campbell 1932-3-19 s.n. Los Angeles Los Alisos Canyon. Comment
  RSA625158  Paeonia californica Louis C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains: Pacoima Canyon. 750 Comment
  CAS-BOT-BC274175  Pappostipa speciosa Roxana S. Ferris 1918-6-12 947 Los Angeles 5 miles south of Lancaster Comment
  SEINET3225273 Image available Parapholis incurva Anuja Parikh, Nathan Gale 2004-5-29 2012 Los Angeles Santa Clara River Valley: Newhall Ranch (study area 28), near mouth of Potrero Canyon (Val Verde 7.5' Q.). 259 Comment
  PASA50  Parietaria floridana Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SBBG19169  Parietaria hespera var. californica M. A. Piehl 1963-12-8 631086 Los Angeles Cave Cyn, 1/8 mi from mouth 15 Comment
  RSA592399  Parietaria hespera var. hespera Mark Hoefs, D. Propst 1974-5-10 466 Los Angeles Santa Catalina Island: upper Fern Canyon 335 Comment
  IRVC26343  Parthenocissus vitacea A. C. Sanders, Andy Thompson 2003-4-15 26020 Los Angeles Newhall Ranch, along the Santa Clara River, north of Magic Mountain theme park NE end of Santa Susana Mtns. 316 Comment
  SEINET10919024  Passiflora citrina S. Krosnick 2008-1-7 Krosnick 431 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #102 in Honduras Comment
  RSA0010523  Pectocarya linearis subsp. ferocula LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6800 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA757215  Pectocarya linearis subsp. ferocula Orlando Mistretta, Christine Mistretta 2008-4-7 2366 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 46 per TRTP survey-2008) 1031 Comment
  UCR200176  Pectocarya linearis subsp. ferocula Valerie Soza, Laura A. Moore 2000-5-10 842 Los Angeles Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 579 Comment
  UCR205070  Pectocarya penicillata R. G. Swinney 2008-4-7 8616 A Los Angeles San Gabriel Mtns., Azusa, San Gabriel River floodplain, c. 100-300 m east of the channel, between Foothill Blvd. (Hwy 66) and I-210 Fwy 177 Comment
  UC56410  Pedicularis densiflora Ernest Braunton Feb 1903 809 Los Angeles n slope of Santa Monica Hills Comment
  RSA686726  Pellaea andromedifolia B. C. Templeton, I. W. Clokey 1929-05 4536 Los Angeles Mandeville Canyon, Santa Monica Mountains. 450 Comment
  SBBG13147  Pellaea andromedifolia E. R. Blakley 1962-6-10 5218 Los Angeles Wilson Cove 7 Comment
  UC812328  Pellaea andromedifolia Ira W. Clokey, B. Templeton 1929-5-1 4536 Los Angeles Mandeville Canyon; Santa Monica Mts 450 Comment
  RSA323748  Pellaea andromedifolia F. H. Elmore 413 Los Angeles San Clemente Island. Comment
  RSA686715  Pellaea andromedifolia T. R. Pray 1960-3-20 1650 Los Angeles Elizabeth Canyon Comment
  RSA686743  Pellaea andromedifolia F. H. Elmore 1939-2-18 413 Los Angeles San Clemente Island. Comment
  POM312738  Pellaea andromedifolia var. andromedifolia D. Taylor 1951-5-17 59 Los Angeles Little Dalton Canyon north of Glendora. San Gabriel mtn range. Pacific drainage area. 365 Comment
  RSA584867  Pellaea mucronata T. S. Ross, Steve Boyd 1990-6-4 2802 Los Angeles San Gabriel Mountains: East-West ridge ca. 1400 m N of Mt Gleason: ridge separating the headwaters of Arrastre Canyon from upper west tributaries of Gleason Canyon 1549 Comment
  RSA686903  Pellaea mucronata F. R. Fosberg 1931-3-27 r 82 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 40 Comment
  UCR277129  Pellaea mucronata R. G. Swinney 2010-9-23 13885 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA0115835  Pellaea mucronata subsp. mucronata R. G. Swinney 2011-3-29 14254 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
  RSA599822  Pellaea mucronata var. mucronata Steve Boyd, Lauren Raz 1997-3-31 9399 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
  RSA610786  Pellaea mucronata var. mucronata L. C. Wheeler 1933-2-23 1483 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  RSA741138  Penstemon caesius Naomi S. Fraga, Duncan S. Bell 2008-6-30 2294 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  LA200966  Penstemon centranthifolius Carl Wishner; 1989-4-12 1548 Los Angeles SIMI HILLS, Liberty Canyon, quarry site 0.25 mi NW of US 101 underpass. 320 Comment
  RSA710223  Penstemon centranthifolius Blanche Sell 1923-6-12 s.n. Los Angeles Topanga Pass. Comment
  SDSU10929  Penstemon centranthifolius Lorenzo Cook 1931-5-9 Los Angeles Tapanga Canyon. Comment
  RSA0006140  Penstemon dubius Robert Kessler 1928-1 s.n. Los Angeles Fire break Mt. Lowe Comment
  RSA408038  Penstemon grinnellii subsp. grinnellii F. H. Elmore 1936-4-23 314 Los Angeles Near Big Pines. Comment
  RSA660505  Penstemon grinnellii subsp. grinnellii Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 8 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  LA51904  Penstemon heterophyllus var. australis Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA674752  Penstemon rostriflorus Scott D. White, Sandra Leatherman 2001-7-25 8729 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
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Jan 5 2010
  RSA764070  Penstemon rostriflorus R. G. Swinney 2008-8-13 9389 Los Angeles Big Rock Creek, 1.3 mi. east of Fenner Canyon. 1860 Comment
  RSA401898  Penstemon spectabilis Grethe Markedahl 1923-5-20 s.n. Los Angeles Los Angeles vicinity. Comment
  SFV14649  Pentagramma triangularis J. C. Dittes, C. Williams 1989-4-29 3 Los Angeles San Gabriel Mountains Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby. 915 Comment
  LA94215  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-10 1852 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, ca 0.25 mi S of Camp Josepho. 304 Comment
  RSA0066058  Pentagramma viscosa D. Propst, M. Hoefs 1973-2-5 1 Los Angeles Santa Catalina Island: Southeast of Wrigley Memorial in Upper Avalon Canyon. 244 Comment
  RSA177786  Perityle emoryi R. F. Thorne, Percy C. Everett 1965-5-11 34527 Los Angeles Ballast Point, E side of Catalina Harbor, Santa Catalina Island 61 Comment
  SBBG95228  Perityle emoryi M. B. Dunkle 1928-4-29 1902 Los Angeles Little Harbor Comment
  OBI26251  Persicaria capitata Mark E. Schneider 1973-11-15 s.n. Los Angeles Van Nuys. Cult on Burnett Ave Comment
  UCD117315  Petalonyx thurberi M. Vincent 1962-10-4 299 Los Angeles Pallett Creek Road, 1 mile S of Valyermo Road. Comment
  SBBG65066  Phacelia E. Crow 1930-6-29 Los Angeles near Pine Flats Comment
  JEPS2116  Phacelia austromontana Frank W. Peirson 1928-6-2 7940 Los Angeles South Fork Rock Creek San Gabriel Range 1828 Comment
  UCSB5462  Phacelia bicolor Haller, John 1957-4-13 Los Angeles On Palmdale Ave. 0.7 miles E. of junc. with Calif. 138 and ca. 9 miles E. of center of Palmdale 762 Comment
  RSA710708  Phacelia brachyloba Valerie L. Soza, Susan Caplow 2003-4-11 1624 Los Angeles Brand Park, just south of junction of Brand Park Mtwy and Verdugo Mtwy, alongside Brand Park Mtwy. Brand Burn 2002 area. 793 Comment
  SFV22135  Phacelia cicutaria var. hispida V. Soza, E. Edwards, L. Gross, B. O'Brien 2000-4-25 755 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, south-southwest-facing, rocky slope below trail along ridgetop. 488 Comment
  UCR197207  Phacelia cicutaria var. hispida Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 755 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  POM3508  Phacelia cicutaria var. hispida C. F. Baker 1904-5-6 4749 Los Angeles Hills near Pomona Comment
  RSA433468  Phacelia cicutaria var. hispida Tim S. Ross 1991-4-21 4558 Los Angeles Whittier Hills (Puente Hills, pro parte): Ridgetop on N side of Turnbull Canyon. 294 Comment
  RSA611770  Phacelia cicutaria var. hispida Louis C. Wheeler 1934-4-24 2557 Los Angeles Liveoak Canyon Dam 457 Comment
  LA81950  Phacelia cicutaria var. hubbyi O. H. Kappler; 1943-4-18 370 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  RSA74161  Phacelia cicutaria var. hubbyi F. W. Peirson 1920-3-28 2100 Los Angeles North slope of low hills at foot of Tujunga Canyon, w. end of San Gabriel Mountains. 457 Comment
  UCR275018  Phacelia ciliata Michael Honer, Rachel Woodard 2006-4-12 2184 Los Angeles Tehachapi Mountains area., Hills above Oso Cyn, c. 2 miles NNW of Quail Lake; 3 miles west of cement plant rd. 1159 Comment
  UCR223390  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  JEPS2007  Phacelia distans W. L. Jepson 1935-4-17 17055 Los Angeles 6 1/2 mi w Lancaster; w. Mohave Desert 731 Comment
  UCD120414  Phacelia distans Daryl Koutnik; Vickie Dawes 1978-4-6 257 Los Angeles South of Palmdale on State Hwy 138 to Little Rock. 816 Comment
  UCR261334  Phacelia distans R. G. Swinney 2010-3-13 11872 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road 482 Comment
  RSA158285  Phacelia distans Peter H. Raven 1962-4-11 17306 Los Angeles Behind Northwest Harbor; San Clemente Island. 6 Comment
  RSA497613  Phacelia distans A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7770 Los Angeles Mojave Desert, Lancaster, near Quartz Hill, S of Ave L at 37th St. West. 747 Comment
  RSA587261  Phacelia distans Orlando Mistretta 1994-5-13 1212 Los Angeles San Gabriel Mts, Little Rock Creek. 1067 Comment
  RSA590925  Phacelia distans Orlando Mistretta 1994-4-12 1019 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of Little Rock Reservoir. 1037 Comment
  SEINET13711391  Phacelia distans J. Adams, J. Adams (Botany) 1965-1 74 Los Angeles Claremont, Thompson's Wash, N End Indian Hill Blvd 1400 Ft 427 Comment
  UC144631  Phacelia distans C. F. Baker 1904-4-1 4106 Los Angeles Anaheim Comment
  LA205636  Phacelia douglasii Elizabeth McClintock; 1938-3-6 sn Los Angeles Playa del Rey Comment
  UCR272708  Phacelia floribunda M. B. Dunkle 1939-4-2 7212 Los Angeles Channel Islands, Southeast corner/point of San Clemente Island [=Pyramid Point/Head] 61 Comment
  RSA588072  Phacelia fremontii Orlando Mistretta 1994-4-15 1059 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  LA38513  Phacelia grandiflora Carl Epling; 1931-4-19 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA427973  Phacelia grandiflora Floy Stanley 1928-4-22 14562 Los Angeles Monrovia. Saw Pit Canyon. Comment
  SEINET5286900  Phacelia heterosperma Unknown 1980 Los Angeles Rock Creek [banks of Rock creek, borders of the Mojave desert] Comment
  JEPS127384  Phacelia hubbyi Robert Steers 2004-12-23 Los Angeles Palos Verdes Peninsula. Rancho Palos Verdes. Comment
  SBBG65324  Phacelia imbricata R. Hoffmann 1925-5-16 Los Angeles E Bouquet Cyn Comment
  RSA660187  Phacelia imbricata subsp. imbricata Orlando Mistretta 1992-7-9 651 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UCR79367  Phacelia imbricata subsp. imbricata Steve Boyd, Orlando Mistretta 1993-6-3 8179 Los Angeles San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within Tujunga Ranger District of the Angeles National Forest, north of Santa Clara Road (3N17.9), at head of eastern most canyons, 1/4 mi NE of May Canyon Saddle 1155 Comment
  RSA0058220  Phacelia longipes R. G. Swinney 2010-6-23 13346 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  SBBG15510  Phacelia minor W. G. Webb 1935-2-23 Los Angeles Eagle Rock Comment
  SFV21028  Phacelia minor L. Gross 2002-2-24 483 Los Angeles Verdugo Mountains Northwest side of mountains. Entered at corners of Ledge Ave. and Tuxford Street off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills, where Sunland Blvd. runs through. 305 Comment
  UC1174717  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  UC881279  Phacelia minor Marcus E. Jones, A. M. 1882-2-27 3031 Los Angeles Pasadena Comment
  UCSB42016  Phacelia parryi Purviance, Susan 1979-3-19 Los Angeles 1/4 mi. east of Pacific Coast Highway on Encinal Canyon Road Comment
  UCR218006  Phacelia ramosissima A. C. Sanders, Dan S. Cooper 2010-8-5 38584 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  CAS-BOT-BC159086  Phacelia ramosissima var. latifolia Fordyce Grinnell 1916-6-16 s.n. Los Angeles Santa Susana Pass Comment
  LA33797  Phacelia ramosissima var. latifolia Peter H. Raven; Henry J. Thompson 1959-6-4 14319 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA4765  Phacelia stellaris James Snow s.n. Los Angeles Bryant Ranch, near Long Beach, Station no.3. Plat. 3. Comment
  LA38548  Phacelia tanacetifolia Carl Epling; March 1925 6503 Los Angeles Santa Monica Mountains, Griffith Park 121 Comment
  LA33992  Phacelia viscida Henry J. Thompson; 1959-4-12 1921 Los Angeles Santa Monica Mountains, Mulholland Hwy, 2 mi W of Las Virgenes Rd 304 Comment
  RSA601695  Phalaris aquatica L. C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mountains: Bluebird Truck Trail 1 mi. southwest of Johnstone Peak. 731 Comment
  SBBG113285  Phalaris paradoxa S. A. Junak with M. L. Hoefs 1997-6-4 SCa 423 Los Angeles S side of upper Buffalo Corral Reservoir 188 Comment
  RSA595024  Phoenix canariensis Steve Boyd, Lauren Raz 1996-10-8 8987 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UC124543  Pholisma arenarium J. J. Rivers Dec. 1896 Los Angeles Santa Monica Comment
  POM8273  Pholistoma auritum P. A. Munz, R. D. Harwood 1920-5-17 3975 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA127953  Pholistoma auritum H. J. Thompson 1959-4-19 1939 Los Angeles Mulholland Highway, 1 mile W of Las Virgenes Road, Malibu Creek drainage. Santa Monica Mountains. 274 Comment
  RSA0119001  Pholistoma membranaceum A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33527 Los Angeles Western Transverse Range; Liebre Mtns. Region: south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch. 945 Comment
  UCR101709  Pholistoma membranaceum B. G. Pitzer 1998-5-23 3732 Los Angeles Western Transverse Range, Soledad Canyon, vicinity of Soledad Pass, Soledad Canyon Rd c. 0.5 mi. south of Sierra Hwy 945 Comment
  RSA151216  Pholistoma racemosum Peter H. Raven 1962-4-9 17148 Los Angeles Near barracks, Wilson Cove, San Clemente Island 61 Comment
  SBBG61543  Phoradendron leucarpum subsp. tomentosum R. Hoffmann 1929-5-17 Los Angeles Big Rock Crk, Paradise Camp Comment
  POM118946  Phyllospadix scouleri Marcus E. Jones 1884-8-22 s.n. Los Angeles Santa Monica. Comment
  RSA683945  Phyllospadix scouleri E. Yale Dawson 1957-2-10 16052 Los Angeles Malibu Beach at end of Latigo Shore Road Road Comment
  POM222231  Pickeringia montana Louis C. Wheeler 1936-6-8 4127 Los Angeles San Gabriel Mountains: Bell-San Dimas Canyon divide 960 Comment
  RSA472030  Picris echioides F. R. Fosberg 1930-6-26 s 3003 Los Angeles Culver Garden. 15 Comment
  RSA384309  Pinus coulteri L. E. Hoffman 1932-9-18 s.n. Los Angeles San Gabriel Mountains, Angeles Forest: Barley Flats. Comment
  CAS-BOT-BC72763  Pinus sabiniana Le Roy Abrams; E. A. McGregor 1908-6-19 399 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA247409  Piptatherum miliaceum Jack Delaini 1974-4-25 124 Los Angeles Lodi Canyon, San Dimas Experimental Forest 488 Comment
  SEINET3161355  Pittosporum undulatum G. B. Grant sn Los Angeles Pasadena Comment
  UCD120761  Plagiobothrys arizonicus Daryl Koutnik; Bruce Holguin 1978-4-1 206 Los Angeles Sierra Pelona Valley, west side of Anthony Road, north of Sierra Hwy. 890 Comment
  UCR125418  Plagiobothrys arizonicus A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25704 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR189249  Plagiobothrys arizonicus R. G. Swinney 1998-5-16 6079 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
  POM368929  Plagiobothrys arizonicus Robert Gustafson, Christopher Davidson 1977-4-20 419 Los Angeles Fort Tejon Road, south of Littlerock, about 1.5 miles east of the junction with 82nd St. 976 Comment
  RSA595688  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9336 b Los Angeles San Gabriel Mts [Liebre Mtns]between Bouquet Junction and Bonelli Ranch. 396 Comment
  UCR265488  Plagiobothrys canescens Dan S. Cooper 2015-4-29 2015- 36 Los Angeles Western Transverse Range; Santa Monica Mountains, Monte Nido, end of Pony Cross Rd. 167 Comment
  UC1250447  Plagiobothrys collinus Isabelle Tavares and Valera Brinson 1962-4-16 262 Los Angeles 3 mi s Bouquet Canyon Guard Station (Bouquet Canyon road) Comment
  SBBG113138  Plagiobothrys collinus var. gracilis S. A. Junak 1997-3-28 SCa 400 Los Angeles N side of Cherry Cove, at Birdie Chester grave site 21 Comment
  UCR192188  Plagiobothrys leptocladus A. C. Sanders 2008-4-10 34794 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  UCR89939  Plagiobothrys leptocladus Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  UCR126563  Plagiobothrys nothofulvus A. C. Sanders, Andy Thomson 2003-4-15 25983 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, c. 1000 ft. south of Magic Mountain theme park 396 Comment
  UCR142790  Plagiobothrys nothofulvus L. C. Wheeler 1967-5-8 9362 Los Angeles San Gabriel Mtns, foothills NE of Saugus 412 Comment
  UCD124376  Plantago arenaria Louis C. Wheeler 1964-10-11 8637 Los Angeles South El Monte; south of Rush Street, extended Rio Hondo. Comment
  CATA1278  Plantago coronopus Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2364 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon from road to beach 6 Comment
  CATA1986  Plantago erecta Steven A. Junak, Mark Hoef, Sara Crockett 1997-3-27 354 Los Angeles Santa Catalina Island: Upper part of Cape Canyon drainage, about 0.65 miles SW of Black Jack Peak 396 Comment
  RSA402028A  Plantago erecta A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  RSA751263  Plantago indica Kai T. Palenscar 2008-7-25 s.n. Los Angeles city of Whittier, Whittier Narrows, south of Hwy 60 and west of Hwy 605, on the west side of Rosemead just after crossing the San Gabriel River 59 Comment
  SBBG38235  Plantago lanceolata S. A. Junak with M. L. Hoefs, L. Stratton 1998-6-11 SCa 717 Los Angeles E side of Avalon Cyn, above golf course 134 Comment
  UCR50855  Plantago lanceolata A. C. Sanders 1988-5-18 7815 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  JEPS3448  Plantago patagonica Frank W. Peirson 1921-5-20 2410 Los Angeles Little Rock Creek San Gabriel Mountains 960 Comment
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Sep 26 2010
  RSA202478  Plantago virginica R. L. Armacost 1963-5-21 1656 Los Angeles Dry Parkway, Santa Monica Mts. Comment
  POM153294  Platanus racemosa P. A. Munz, I. M. Munz 1928-9-29 11181 Los Angeles Rock Creek 1159 Comment
  UCD15670  Platanus racemosa Anne B. Overturf 1989-5-28 22 Los Angeles Eaton Canyon. 365 Comment
  RSA702487  Platystemon californicus Scott D. White 2004-5-5 10302 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA600166  Plectritis ciliosa subsp. insignis Steve D. Boyd, Lauren Raz 1997-5-1 9658 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA100277  Plectritis ciliosa subsp. insignis F. W. Peirson 1951-5-13 1204 Los Angeles Arroyo Seco, Pasadena Comment
  UC60777  Pleuraphis rigida Dr. A. Davidson Los Angeles Los Angeles Comment
  RSA151225  Poa secunda P. H. Raven 1962-4-10 17209 Los Angeles San Clemente Island. Summit of Thirst. 579 Comment
  UCR223559  Poa secunda R. G. Swinney 2009-6-2 10983 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  CAS-BOT-BC236262  Poa secunda subsp. juncifolia Timothy S. Ross; Steve Boyd 1994-4-12 7461 Los Angeles Liebre Mountains. San Francisquito Canyon, ca. 220 m SW of where Drinkwater Canyon joins S Fr. Canyon 512 Comment
  RSA0025273  Poa secunda subsp. secunda Justin M. Wood 2012-3-20 4642 Los Angeles San Dimas. San Jose Hills: Walnut Creek Canyon, +/- 0.5 mi NW of Puddingstone Reservoir, +/- 0.25 mi E of SR-57, just north of San Dimas Ave. and just S. of Cliffside Dr. 229 Comment
  RSA632446  Poa secunda subsp. secunda L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast Vincent 708 Comment
  UCD91689  Poa secunda subsp. secunda Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  UCR123927  Poa secunda subsp. secunda Steven R. Hill, K. Kramer 2001-4-22 33379 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA0060162  Poa secunda subsp. secunda F. W. Peirson 1918-5-19 1548 Los Angeles Along trolley track on Echo Mt., San Gabriel Range. 1066 Comment
  SEINET10532988  Podocarpus elongatus David B. Dunn 1939-10-18 Dunn UMO 46520 Los Angeles Cultivated tree near 3rd and Lafayette, Los Angeles, Calif. 213 Comment
  UCR200219  Polycarpon tetraphyllum Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 883 Los Angeles Verdugo Mountains, northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  SEINET1004838  Polygala cornuta var. fishiae J. H. Barber 1898-1 Los Angeles Santa Monica Canon Comment
  RSA760612  Polygonum aviculare R. G. Swinney 2008-12-6 9967 Los Angeles Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  UC72024  Polygonum aviculare subsp. aviculare Miss E. D. Palmer Nov 1904 Los Angeles Vicinity of Los Angeles Comment
  RSA758708  Polygonum hydropiperoides R. G. Swinney 2008-12-2 9905 Los Angeles mouth of San Gabriel Canyon between Foothill Blvd. and the I-210 Fwy, from main river channel to 300 m east. 165 Comment
  POM50451  Polygonum hydropiperoides L. R. Abrams 1901-08 2187 Los Angeles Ballona Creek. Comment
  UCR147674  Polygonum orientale L. C. Wheeler 1966-5-7 s.n. Los Angeles Los Angeles Basin region; San Gabriel Valley, Rio Hondo, south El Monte 63 Comment
  CATA930  Polypodium californicum Mark L. Hoefs, Robert Given 1992-4-16 1789 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  LA33811  Polypodium californicum Henry J. Thompson; 1959-2-20 1834 Los Angeles Santa Monica Mountains, La Tuna Canyon, 0.5 mi above ocean 76 Comment
  RSA689883  Polypodium californicum Martha Hilend 1928-2-9 40 Los Angeles Big Santa Anita Canyon. Comment
  RSA724617  Polypodium californicum K. Dobry 1991-4-22 439 Los Angeles San Gabriel Mts. at Elsmere Cyn Comment
  SDSU3573  Polypodium californicum J. Godsil 1952-4-28 218 Los Angeles Little Dalton Canyon, above Geendora, 366 Comment
  UCR270475  Polypodium californicum R. G. Swinney 2011-11-1 15936 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UCR271612  Polypodium californicum R. G. Swinney 2011-11-3 15985 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
  POM307089  Polypodium californicum Henry J. Ramsey 1939-1-1 1966 Los Angeles Eaton Canyon, Altadena. Comment
  RSA585122  Polypogon interruptus L. C. Wheeler 1933-12-24 2338 Los Angeles San Dimas Canyon Dam, San Gabriel Mountains 427 Comment
  CAS-BOT-BC232417  Polypogon monspeliensis Carl B. Wolf 1932-5-9 3427 Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach 7 Comment
  CATA1690  Polypogon monspeliensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2985 Los Angeles Santa Catalina Island: Middle Ranch Reservoir 188 Comment
  RSA660791  Polypogon monspeliensis LeRoy Gross, Valerie Soza 2001-6-6 439 Los Angeles Verdugo Mountains, north side; Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. 427 Comment
  SBBG12176  Polypogon monspeliensis P. H. Raven 1962-7-12 18042 Los Angeles Wilson Cove, below barracks area 45 Comment
  UC1109359  Polypogon monspeliensis Peter H. Raven 1962-5-8 17598 Los Angeles in bed of stream near mouth of canyon at s end of Seal Cove San Clemente Island; , s end Seal Cove 9 Comment
  UCD91249  Polypogon monspeliensis Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  RSA177766  Polypogon viridis R. F. Thorne, Percy C. Everett 1965-5-10 34436 -A Los Angeles Cape Canyon, Santa Catalina Island 274 Comment
  SEINET3152574  Polystichum imbricans subsp. curtum G. B. Grant, W. Wheeler 1904-5-17 1032 /6236 Los Angeles Pasadena: Mt. Wilson 1676 Comment
  RSA613497  Portulaca oleracea L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  UCR210347  Potamogeton crispus R. G. Swinney 2008-10-16 9606 Los Angeles San Gabriel Mtns., Jackson Lake, south side of Big Pines Highway 1872 Comment
  UC185976  Potamogeton foliosus A. D. E. Elmer June, 1902 3503 Los Angeles Lancaster Comment
  UC1971604  Potamogeton foliosus LeRoy Gross 1998-10-16 90 Los Angeles SOUTHERN BASE SAN GABRIEL MTNS.: Tujunga Ponds. West of 210 freeway in Big Tujunga Wash, city of Sunland. Comment
  SEINET10628874  Prunus domestica Heidi H. Schmidt, M. R. Weed 1999-10-11 Schmidt 3744 Los Angeles City of Santa Monica. Trader Joe's: 3212 Pico Boulevard: Santa Monica, CA, 90405: (310) 581-0253 - phone. 30 Comment
  OBI10063  Prunus fasciculata Louis C. Wheeler 1932-4-10 609 Los Angeles San Gabriel Mts 3 mi S Vincent 1067 Comment
  RSA586998  Prunus fasciculata var. fasciculata Orlando Mistretta 1992-5-8 298 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir. 1067 Comment
  CAS-BOT-BC154930  Prunus ilicifolia John I. Carlson 1918-4-29 s.n. Los Angeles Sierra Madre Comment
  CAS-BOT-BC154946  Prunus ilicifolia Vernon Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts. (North slope) Comment
  UC75404  Prunus ilicifolia C. F. Baker 1903-8-2 3670 Los Angeles San Antonia Canyon near Claremont; San Antonia Canyon Comment
  RSA720241  Prunus ilicifolia subsp. ilicifolia LeRoy Gross 2007-4-27 2658 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  SBBG17145  Prunus ilicifolia subsp. ilicifolia K. A. Wilson 1962-5-26 1289 Los Angeles Soledad Cyn Rd, ca. 3 mi E of Agua Dulce Cyn Comment
  SD45614  Prunus ilicifolia subsp. lyonii D. F. Howe 1953-5-2 Los Angeles Wain Canyon, Catalina Island Comment
  RSA782215  Prunus virginiana R. G. Swinney 2009-8-25 11489 Los Angeles Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  RSA451454  Prunus virginiana var. demissa L. E. Hoffman 1932-8-21 s.n. Los Angeles Mt. Baldy, Angeles National Forest, [San Gabriel Mountains]. 3049 Comment
  CATA1102  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-23 2056 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  LA200203  Pseudognaphalium biolettii Harlan Lewis; 1940-2-4 1055 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  SBBG17750  Pseudognaphalium biolettii P. H. Raven 1962-4-11 17287 Los Angeles N of a point W of Wall 2 30 Comment
  UC1211119  Pseudognaphalium californicum Huron H. Smith 1912-6-1 5074 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 38 Comment
  RSA0030949  Pseudognaphalium californicum M. A. Savatgy 1966-5-16 s.n. Los Angeles Verdugo HIlls. 213 Comment
  POM358846  Pseudognaphalium leucocephalum T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, Mt Wilson. Comment
  POM6781  Pteridium aquilinum var. pubescens O. Kenney 1892-12-16 s.n. Los Angeles Near Pasadena Comment
  RSA702833  Pteridium aquilinum var. pubescens Scott D. White 2004-4-23 10236 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  UCR270647  Pteridium aquilinum var. pubescens R. G. Swinney 2011-10-10 15738 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  UCSC001093  Pteridium aquilinum var. pubescens Unknown 1975-4-21 61 Los Angeles South side of Pacoima Canyon near Ant Canyon Pacoima Canyon, Ant Canyon - San Gabriel Mts. Comment
  UC1440259  Pteris tremula L. L. Kiefer 1967-4-15 3277 Los Angeles n of Monrovia (ca. 1/8 mi above the falls); San Gabriel Mts, Monrovia Canyon 579 Comment
  RSA187820  Pterostegia drymarioides Robert F. Thorne 1966-4-7 35966 Los Angeles Santa Catalina Island: in canyon bottom, Cherry Valley 61 Comment
  UCR149775  Purshia glandulosa Scott D. White, Michael Honer 2004-3-30 9974 Los Angeles W Mojave Desert, east edge of the City of Palmdale, c. 1 mi west-northwest of 'Four Points 838 Comment
  UCR281293  Purshia glandulosa R. G. Swinney 2014-4-24 16228 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  RSA499258  Purshia tridentata var. glandulosa Albert J. Perkins 1919-5-30 s.n. Los Angeles Antelope Valley, desert near Rock Creek. Comment
  UC555698  Purshia tridentata var. glandulosa H. L. Mason 1926-4-27 3024 Los Angeles Rock Creek Comment
  JEPS58813  Pyrola dentata Frank W. Peirson 1921-7-17 2512 Los Angeles San Gabriel Mountains, Prairie Fork of the San Gabriel River 2133 Comment
  OBI49934  Quercus X alvordiana David J. Keil, V. L. Holland 1979-4-19 13042 Los Angeles Tejon Pass area at Fort Tejon along I-5 Comment
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Jun 18 2014
  UCD45151  Quercus X alvordiana J. M. Tucker 1948-9-26 1880 1 Los Angeles At the bottom of a gentle, north-facing slope, beside Highway 138, 9.6 miles east of Gorman, Los Angeles County, California. Comment
  CAS-BOT-BC104379  Quercus X macdonaldii Robert F. Thorne; P. C. Everett 1964-2-6 33430 Los Angeles ca 800' (perhaps 1 mil. SW of Empire Landing), N Central part of Santa Catalina Island Comment
  RSA0115451  Quercus agrifolia R. G. Swinney 2010-10-5 13975 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  POM273499E  Quercus berberidifolia A. E. Gallup 1947-10-17 65 Los Angeles mouth of Monrovia canyon in wash, San Gabriel Mt. 229 Comment
  RSA655777  Quercus berberidifolia LeRoy Gross 2000-10-28 304 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain st. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). 488 Comment
  UC1135521  Quercus berberidifolia R. St. John 1930-1-18 71 Los Angeles Las Virgenes Ranch Triunfo Pass Quad. 365 Comment
  UCR230265  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 21 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  SBBG26452  Quercus chrysolepis R. F. Thorne with M. Z. Thorne 1966-5-31 36420 Los Angeles ridge running from S end of Mt Orizaba, S side of S fork of Fern Cyn 487 Comment
  UCD45447  Quercus chrysolepis Jack Delaini; Ken Zakar 1974-4-25 121 Los Angeles Frequent on E-facing slope and near stream. Elev. c. 1750 ft. 533 Comment
  UC72166  Quercus douglasii R. S. Baldwin Oct 1905 Los Angeles Liebre Gulch Liebre Mts. Comment
  CAS-BOT-BC86221  Quercus dumosa Geo. B. Grant 1902-8-1 5027 Los Angeles Catalina Island. Avalon Comment
  RSA0031752  Quercus durata var. gabrielensis Orlando Mistretta, Christine Mistretta 2008-5-6 2668 Los Angeles Transverse Ranges; San Gabriel Mountains region; Southern California Edison transmission line corridor (Segment 11, Impact Areas 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  UCD46012  Quercus engelmannii Ward B. Holt 1941-10-1 s.n. Los Angeles Group of trees, Monrovia. Los Angeles County. Comment
  UCSB27874  Quercus engelmannii Gill, Robert 1959-3-12 Los Angeles 1400 Rancho Dr., Monrovia 152 Comment
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Oct 30 2014
  UCR224024  Quercus ilex Steve Boyd, Rick Riefner 2007-4-27 11740 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
  UCD166562  Quercus john-tuckeri Dylan O. Burge 2016-2-23 2091 Los Angeles Agua Dulce Canyon, roadside on Agua Dulce Canyon Road. 655 Comment
  UCD55745  Quercus kelloggii Steve Boyd 1997-9-10 10029 Los Angeles Liebre Mountains Region, southwestern flank of Liebre Mountain, below west summit. 1524 Comment
  LA46636  Quercus pacifica Joseph Dunlavy; 1934-5-4 4485 Los Angeles Santa Catalina Island, S side, near isthmus Comment
  UC1281416  Quercus pacifica H. E. McMinn Jul 1924 1297 Los Angeles Catalina Island Comment
  LA92003  Quercus tomentella Peter H. Raven; 1962-5-21 17808 Los Angeles Santa Catalina Island, lower end of Pebbly Beach Canyon 91 Comment
  SDSU6989  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles Growing in canyon west of Thirst. San Clemente Island. Comment
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May 16 2008
  SEINET6066719  Quercus wislizeni Unknown 1996-10-29 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  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
  CAS-BOT-BC379001  Ranunculus aquatilis var. diffusus P. A. Munz 1922-5-16 5601 Los Angeles San Dimas, sluggish brook east of Puddingstone Canyon 366 Comment
  PASA2628  Ranunculus californicus Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  SD80169  Ranunculus californicus R. S. Woglum 1930-5-10 Los Angeles North Hollywood Comment
  CAS-BOT-BC378881  Ranunculus californicus var. californicus Marcus E. Jones 1882-5-1 s.n. Los Angeles Pasadena Comment
  POM223062  Ranunculus cymbalaria var. saximontanus Louis C. Wheeler 1933-7-14 1933 Los Angeles Lexington Wash near El Monte 73 Comment
  SEINET3161869  Reseda alba G. B. Grant 1112 Los Angeles Collected at Covina Comment
  SEINET3163323  Rhamnus californica L. Abrams 1902-6-15 2541 Los Angeles Sepulveda canyon, Santa Monica mountians Comment
  SD178254  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2005-4-26 29701 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
  UCR124603  Rhamnus ilicifolia B. C. Templeton 1932-8-26 5117 Los Angeles San Gabriel Mtns., Big Rock Creek, near Vincent Gap, Angeles National Forest 1905 Comment
  CAS-BOT-BC59778  Rhamnus pirifolia Brandegee s.n. Los Angeles Santa Catalina Island. Comment
  POM220015  Rhamnus pirifolia F. R. Fosberg 1932-5-6 8134 Los Angeles Big Wash Canyon, Avalon, Santa Catalina Island. 50 Comment
  LA82199  Rhus aromatica O. H. Kappler; 1944-4-9 582 Los Angeles Santa Monica Mountains, Lake Eleanor, Russell Ranch. Sherwood lake area Comment
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May 21 2014
  UCR220286  Rhus aromatica R. G. Swinney 2009-4-24 10480 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0124239  Rhus integrifolia P. H. Raven 1959-3-1 13814 Los Angeles Santa Monica Mountains. Vermont Canyon. Griffith Park. 244 Comment
  RSA296858  Rhus integrifolia W. L. Jepson 1908-7-13 3054 Los Angeles Swain Canon Comment
  RSA598954  Rhus integrifolia R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. ''Owl Flats,'' 1.5 mi. E of Glendora Mtn. Road, near Big Dalton Canyon Rd. 472 Comment
  SBBG50383  Rhus integrifolia R. M. Beauchamp, M. Douglas 1972-3-24 3214 Los Angeles W side of cyn 100 Comment
  UC1215236  Rhus integrifolia Peter H. Raven 1962-5-8 17611 Los Angeles second canyon s of Seal Cove; San Clemente Island 30 Comment
  RSA386495  Rhus ovata Robert Gustafson 1981-3-18 2132 Los Angeles Ballona Wetlands, Area 3. Comment
  UC11722  Ribes A. J. McClatchie 1893-4-4 11 Los Angeles near Pasadena; Mt. Wilson 1828 Comment
  CAS-BOT-BC92295  Ribes amarum Le Roy Abrams 1906-7-19 s.n. Los Angeles Wilsons Trail. 914 Comment
  CAS-BOT-BC92449  Ribes aureum var. gracillimum Timothy S. Ross 1994-4-28 7566 Los Angeles Liebre Mountains. Cottonwood Swamp. Confluence of San Francisquito Canyon stream and two tributaries draining 515 Comment
  RSA747048  Ribes aureum var. gracillimum R. G. Swinney 2008-4-16 8669 Los Angeles San Dimas, Spring Canyon. 341 Comment
  UCR194621  Ribes aureum var. gracillimum R. G. Swinney 1999-4-8 7076 Los Angeles San Gabriel Mtns., Claremont, Palmer Canyon c. 100 m east of Cobal Canyon 512 Comment
  CAS-BOT-BC93098  Ribes californicum var. hesperium Ellsworth Bethel 1920-2-16 s.n. Los Angeles Monrovia. Comment
  LA50715  Ribes californicum var. hesperium C. & M. Epling; 1925-5-18 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  UC212413  Ribes cereum I. Johnston 1917-7-4 1419 Los Angeles summit Baldy 3048 Comment
  UCR202696  Ribes cereum R. G. Swinney 2001-8-11 8037 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  UCR150853  Ribes cereum var. cereum R. G. Swinney 1999-8-16 7660 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  UC212382  Ribes divaricatum var. parishii I. M. Johnston 1918-7-28 2101 Los Angeles San Gabriel River at El Monte San Gabriel River 91 Comment
  RSA640829  Ribes indecorum Louis C. Wheeler s.n. Los Angeles LaVerne: Wheeler's residence. Comment
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Nov 23 2015
  UCR220230  Ribes indecorum R. G. Swinney, Jane Strong 2009-4-7 10305 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  LA200835  Ribes malvaceum Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UC79689  Ribes malvaceum Ernest Braunton 1903-1-12 774 Los Angeles Laurel Canyon Comment
  RSA630275  Ribes malvaceum var. viridifolium LeRoy Gross 1999-2-25 121 Los Angeles Verdugo Mountains: Along dirt road called Hostetler Mountain Way, right across La Tuna Canyon exit coming east bound on 210 freeway 701 Comment
  POM18069  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA229075  Ribes nevadense R. F. Thorne 1969-7-29 38905 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2332 Comment
  UC284819  Ribes nevadense P. A. Munz 1923-5-26 6847 Los Angeles Vincent Gulch San Gabriel Mts. 2011 Comment
  UCR272857  Ribes nevadense R. G. Swinney 2011-7-29 15569 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UC70551  Ribes roezlii J. Burtt Davy May 9 1896-May 24 1896 2526 Los Angeles Manzana Antelope Valley Comment
  RSA753992  Ribes speciosum Unspecified 680405 -1 Los Angeles Wilderness Park, Clamshell Canyon 305 Comment
  UCSB2686  Ribes speciosum Wilson, Richard 1958-3-1 Los Angeles Santa Monica Mountains; On Entrada Lane; 2 miles NS of its junction with Topanga Canyon Rd 304 Comment
  RSA0035147  Ribes speciosum Geo. R. Julian 1962-3-27 s.n. Los Angeles Dry Canyon Road. Santa Monica Mountains. Comment
  RSA3692  Ribes viburnifolium Carl B. Wolf 1932-5-10 3538 Los Angeles Santa Catalina Island, ridge between Mt. Shatto and the summit of Equestrial Trail, back of Avalon. 335 Comment
  RSA0069437  Robinia pseudoacacia R. G. Swinney 2010-6-8 13204 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  RSA589971  Robinia pseudoacacia Orlando Mistretta 1994-3-30 942 Los Angeles San Gabriel Mountains. Little Rock Creek . Slopes E of creek below Little Rock Dam. 960 Comment
  UCSB33647  Robinia pseudoacacia Noe, J. 1965-5-4 Los Angeles Little Rock Dam, San Gabriel Mountains 1066 Comment
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Aug 4 2014
  UCR219432  Rorippa nasturtium-aquaticum R. G. Swinney 2009-3-28 10186 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  CAS-BOT-BC147480  Rosa californica Joseph Andorfer Ewan 1936-8-6 9979 Los Angeles Head of Cedar Canyon off Mescal Canyon, San Gabriel Mts. 1981 Comment
  POM2666  Rosa californica I. M. Johnston 1918-8-14 2121 Los Angeles Hills west of Pomona, 305 Comment
  UCSB8443  Rosa californica McElwain, Isabelle 1953-5-18 Los Angeles Zelzah Ave, short distance N. of intersection between Zelzah avenue and Lerdo avenue; Granada Hills 457 Comment
  RSA451663  Rosa woodsii subsp. gratissima Unspecified s.n. Los Angeles On the trail to Flumes 4 and 5, San Dimas Experimental Forest, U.S. Forest Department. Comment
  UC1594362  Rubus discolor Tim Ross 1992-5-17 6344 Los Angeles 260 m w mouth Cattle Canyon (near elbow of the E Fork of the San Gabriel River); San Gabriel Mountains, East Fork San Gabriel River 576 Comment
  SEINET9300518  Rubus parviflorus Unknown 2008-7-2 9126 Los Angeles San Gabriel Mountains (Lat. 34 54' 53") Comment
  CAS-BOT-BC158822  Rubus ursinus Timothy S. Ross 1994-4-28 7567 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Moutnain - Liebre Mountains 515 Comment
  CATA965  Rubus ursinus Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-21 1831 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below junction of road to Ben Weston Beach 153 Comment
  SBBG13782  Rubus ursinus M. A. Piehl 1962-10-3 62532 Los Angeles 0.75 mi E of Middle Ranch, main rd in Middle Ranch Cyn Comment
  RSA601170  Rumex conglomeratus Louis C. Wheeler 1967-6-26 9899 Los Angeles San Gabriel Mountains : Elsmere Canyon, south central. At the forks of the canyon, just north of the section line. 488 Comment
  RSA0107832  Rumex conglomeratus Steven A. Junak 2000-6-29 SCa- 1351 Los Angeles Santa Catalina Island. NE end of Haypress Reservoir. 399 Comment
  RSA466069  Rumex crispus F. H. Elmore 1939-2-18 416 Los Angeles San Clemente Island. Comment
  UC2048894  Rumohra adiantiformis R. E. Riefner Jr. 2016-9-24 16 -375 Los Angeles City of Venice, along Venice Blvd. between Lyceum Ave. and Walgrove Ave. Comment
  RSA478879  Salicornia virginica F. R. Fosberg 1930-6-23 S 2977 Los Angeles Del Rey. 0 Comment
  CAS-BOT-BC108067  Salix exigua Timothy S. Ross; Victor W. Steinmann 1995-5-8 8548 Los Angeles First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir. Green Valley 7.5' USGS quadrangle - Liebre Mountains 920 Comment
  POM2078  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  RSA6431  Salix exigua Carl. W. Sharsmith 1932-1-17 13 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  UCR209511  Salix exigua Dan S. Cooper 2009-1 209- 23 Los Angeles Los Angeles Basin, West Athens area, 'Anderson Wash', relict habitat along RR right-of-way south of 105 Fwy and west of Normandie Blvd., South Los Angeles 53 Comment
  UCR276968  Salix exigua R. G. Swinney 2010-6-1 13143 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  POM184867  Salix laevigata F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon. 15 Comment
  UCR11997  Salix laevigata H. J. Thompson 1960-3-13 3017 Los Angeles Western Transverse Range; Santa Monica Mtns., 0.5 mi east of Saddle Peak 701 Comment
  POM362708  Salix lasiolepis Robin S. Collins 1973-4-9 236 Los Angeles San Gabriel Mountains, Angeles National Forest, Trail Canyon, near trail ca. 1/2 mile from its start. 609 Comment
  RSA228941  Salix lasiolepis Robert F. Thorne 1971-8-25 41301 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA639730  Salix lasiolepis Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: East Fork of Alder Creek off Big Tujunga. 1494 Comment
  RSA755863  Salix lasiolepis R. G. Swinney 2009-1-19 9995 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UC437311  Salix lasiolepis unknown Feb., 1904 Los Angeles Pasadena Comment
  UC482203  Salix lasiolepis Mrs. H. P. Bracelin and F. R. Fosberg 1931-10-11 572 Los Angeles on Ventura Blvd. near Vejor Creek bridge (gas station) 1350 Comment
  POM280812  Salix lasiolepis Henry J. Ramsey, Henry J. Ramsey 1937-3-27 560 Los Angeles Little Tijuna Canyon. Comment
  CAS-BOT-BC107545  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA0060698  Salsola tragus Nancy Hamlett 2014-9-25 s.n. Los Angeles Bernard Field Station, area known as East Field. Approx. 1.5 m (larger plant) and 3 m (smaller plant west of Mills Ave. fence, about halfway between Foothill Blvd. fence and east-west fire road. 374 Comment
  SEINET6087793  Saltugilia grinnellii Robert Thorne, Thorne, M. 1969-7-9 38515 Los Angeles Angeles National Forest. San Gabriel Mountains. Summit of Table Mountain. Comment
  RSA563502  Saltugilia splendens subsp. splendens T. S. Ross, Walter Appleby 1993-5-13 7135 Los Angeles Western San Gabriel Mts: Forest Service firebreak between Whitney Canyon and Los Pinetos Canyon, NNW of 3151-ft ridgetop knoll. 817 Comment
  RSA294795  Salvia apiana Lyman Benson 1946-5-13 12088 Los Angeles Midway between Pomona and Brea. Pacific Slope Drainage Area, Puente Hills. 274 Comment
  RSA660801  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  RSA772281  Salvia apiana R. G. Swinney 2009-5-9 10703 Los Angeles Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  UCD125440  Salvia apiana Daryl Koutnik 1978-6-3 518 Los Angeles Dry Canyon-Cold Creek Road between Mulholland Hwy and Old Topanga Canyon Road. 304 Comment
  RSA442823  Salvia apiana William Emboden 1969-5-28 7 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442846  Salvia apiana William Emboden 1969-5-28 36 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA0111948  Salvia columbariae Richard G. Swinney 2011-4-19 14399 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA306312  Salvia columbariae Henry J. Ramsey 1938-5-22 I 384 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA401470  Salvia columbariae M. Bisbee 1917-4-20 s.n. Los Angeles Hills, north side of Eagle Rock Valley. Comment
  UCR194037  Salvia dorrii R. G. Swinney 1999-6-5 7245 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  RSA239428  Salvia dorrii var. pilosa C. W. Tilforth, John Dourley 1973-5-24 815 Los Angeles Bob's Gap, 2 mi ENE of Valyermo Comment
  LA69818  Salvia leucophylla James Lauter; 1953-5-7 sn Los Angeles Comment
  RSA82437  Salvia leucophylla F. W. Peirson 1919-5-11 412 Los Angeles Mint Canyon road near the bridge over the Santa Clara River, northwest of San Gabriel Mts. 427 Comment
  UCD125607  Salvia leucophylla G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  RSA434111  Salvia mellifera E. A. McGregor 1965-5-18 s.n. Los Angeles Pearblossom, Antelope Valley. Comment
  RSA651042  Salvia mellifera A. E. Hersh 1950-7-15 s.n. Los Angeles about 1/4 mile from west end of Topango [Topanga] Canyon. El. 30 Comment
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May 29 2014
  UC883959  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon Hamilton Canyon, Santa Catalina Island; Santa Catalina Island 10 Comment
  RSA477564  Sambucus mexicana H. L. Bauer 1932-6-1 s.n. Los Angeles Topanga Canon, Santa Monica Mountains. Comment
  RSA754239  Sambucus mexicana Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1762 Los Angeles Turnbull Canyon, Turnbull Canyon Road 308 Comment
  RSA754350  Sambucus mexicana Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-11-14 NFWF- 1855 Los Angeles San Gabriel River Watershed; next to Webb Canyon Road 434 Comment
  UC450905  Sambucus mexicana F. A. MacF. 1931-4-1 Los Angeles Tuna Canyon Verdugo Hills Comment
  IRVC28669  Sambucus mexicana A. C. Sanders, Mark Elvin 2002-6-18 25107 Los Angeles Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park NE end of Santa Susana Mtns. 328 Comment
  RSA99341  Sambucus mexicana F. W. Peirson 1921-7-21 8650 Los Angeles Arraster Creek, San Gabriel Mountains. 945 Comment
  OBI69409  Sambucus nigra subsp. caerulea Suzan Barth 1994-5-17 33 Los Angeles Santa Susana Mtns. Aliso cyn 600 m from Sesnon trail head at bottom of first loop Comment
  RSA0080725  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-9 13753 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0115959  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-21 13851 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UCR282013  Sambucus nigra subsp. caerulea R. G. Swinney 2014-5-8 16461 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA681046  Samolus parviflorus Scott D. White 2003-6-2 9438 Los Angeles Puente Hills: City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  LA32192  Sanicula arguta Peter H. Raven; 1959-4-4 13953 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA592419  Sanicula arguta Mark Hoefs, Doug Propst 1973-3-3 28 Los Angeles Santa Catalina Island. Rocky slope on open hillside in upper Cottonwood Canyon, west of Black Jack Mountain 366 Comment
  SDSU2338  Sanicula arguta R. M. Beauchamp 1967-3-20 366 Los Angeles South of Avalon. Santa Catalina Island. Comment
  RSA97355  Sanicula arguta F. W. Peirson 1923-5-24 3489 Los Angeles Woods along west bank of Arroyo Seco, Pasadena. 335 Comment
  SDSU2336  Sanicula arguta R. M. Beauchamp 1967-1-27 119 Los Angeles Above (south of) Wilson Cove. San Clemente Island. Comment
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Oct 13 2011
  SBBG116987  Sanicula crassicaulis S. A. Junak 2001-5-3 SCa 1473 Los Angeles just N of Airport Rd, in extreme upper portion of Swain (Toyon) Cyn 374 Comment
  RSA471459  Sanicula crassicaulis L. C. Wheeler 1931-4-10 S- 43 Los Angeles East end of San Jose Hills at Pomona. 305 Comment
  RSA628635  Sarcodes sanguinea L. C. Wheeler 1968-7-23 s.n. Los Angeles San Gabriel Mountains: West side Pallett Mountain. 2256 Comment
  RSA244921  Satureja douglasii F. R. Fosberg 1931-4-28 4702 Los Angeles Eagles Nest Middle Ranch Canyon, Santa Catalina Island. 180 Comment
  UC188199  Satureja mimuloides G. L. M. 1915-7-24 437 Los Angeles 1/2 mi above Oak Wilde Camp; San Gabriel Mts., Arroyo Seco Canyon Comment
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Sep 12 2013
  RSA83976  Saxifraga californica F. W. Peirson 1919-4-19 373 Los Angeles Pacoima Canyon, west end of San Gabriel Mountains 534 Comment
  RSA0070327  Schinus molle R. G. Swinney 2010-5-7 12598 Los Angeles San Gabriel Mountains: Lake View Terrace, Oliver Canyon mouth, west of debris basin, 0.35 air miles north of I-210 Fwy, NW side of jct. of BP and L Rd and Jimenez St./Dominica Ave. 378 Comment
  RSA673617  Schinus molle LeRoy Gross 2003-1-18 682 Los Angeles West side of saddle were Stough Canyon Mountainway and Verdugo Mountainway meet. 610 Comment
  SBBG31210  Schinus molle R. F. Thorne 1966-9-16 36708 Los Angeles N slope of Black Jack Mtn 411 Comment
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Jan 31 2012
  RSA0047910  Schismus barbatus R. G. Swinney 2010-5-12 12750 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
  RSA632019  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains: Little Tujunga Canyon. 426 Comment
  RSA653694  Schismus barbatus Valerie L. Soza, Laura Moore 2000-5-10 862 Los Angeles Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. at fire gate to powerlines 579 Comment
  RSA675872  Schismus barbatus LeRoy Gross 2003-3-7 776 Los Angeles Northwest side. Verdugo Crestline Dr. (fire road) just north of the 210 freeway, enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland. 564 Comment
  RSA717423  Schismus barbatus Gary Kovnat, LeRoy Gross 2003-2-2 11 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace south-west corner of meadow Comment
  UC1922482  Schismus barbatus Valerie Soza, Miriam Sidibeh 2003-3-26 1613 a Los Angeles Transverse Ranges; Verdugo Mountains region; Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Camino San Rafael junction, above Mayors Bicentennial Park. 579 Comment
  UCR95584  Schoenoplectus acutus var. occidentalis L. C. Wheeler 1946-8-28 6271 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  RSA366075  Schoenoplectus maritimus H. de Forest 1935-5-2 s.n. Los Angeles Gardena. Comment
  LA34168  Scirpus californicus Henry J. Thompson; Los Angeles SANTA MONICA MOUNTAINS, Hidden Valley, Lake Sherwood; along Potrero Road, opposite of Lake Sherwood Fire Station. 289 Comment
  UC2155  Scirpus maritimus S. B. and W. F. Parish October, 1881 1115 Los Angeles Coyote Creek Comment
  RSA517146  Scrophularia californica subsp. floribunda Tim S. Ross, Steve D. Boyd 1990-5-14 2482 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1146 Comment
  RSA79456  Scrophularia villosa F. W. Peirson 1922-4-10 3438 Los Angeles San Clemente Island, about 10 miles SE of Wilson's Cove Comment
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May 16 2008
  SBBG31455  Scrophularia villosa R. F. Thorne 1966-4-5 35797 Los Angeles SW of and near Empire Landing 152 Comment
  UC1746110  Scutellaria siphocampyloides Annetta M. Carter, Arthur Carter 1935-9-12 984 Los Angeles Chilao (Chellea). San Gabriel Mtns. Comment
  RSA0048205  Scutellaria tuberosa L. Haines 1950-3-5 s.n. Los Angeles Chaney Road & Topanga Cyn. Road. 243 Comment
  SD253313  Selaginella bigelovii R. G. Swinney 2011-10-27 15903 Los Angeles San Gabriel Mountains: West fork San Gabraiel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  UC1584923  Selaginella bigelovii Tim Ross 1991-4-8 4451 Los Angeles western Pomona (Elephant Hill); San Dimas USGS 7.5' Quadrangle 228 Comment
  RSA527614  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-8 4400 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA658831  Senecio douglasii J. S. Burns 1992-5-11 29 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest. 762 Comment
  CAS-BOT-BC333113  Senecio flaccidus var. douglasii Le Roy Abrams 1900-8-9 861 Los Angeles Monrovia Comment
  CDA8633  Senecio flaccidus var. douglasii unknown 2005-10-21 152 Los Angeles Santa Monica Mountains: Rustic Canyon. 0 Comment
  RSA0115263  Senecio flaccidus var. douglasii Richard G. Swinney 2010-10-5 13961 Los Angeles San Gabriel Mountains: Placerita Cyn., Placerita Canyon Natural Area, 50-300 meters west of Nature Center. 463 Comment
  RSA472947  Senecio flaccidus var. douglasii M. B. Dunkle 1933-7-11 3648 Los Angeles San Gabriel Mountains, upper San Gabriel Canyon 457 Comment
  SFV13415  Senecio flaccidus var. douglasii W. M. Perry 1980-8-29 115 Los Angeles San Gabriel Mountains Pine Mountain [??], Cattle Canyon. Comment
  UC1870279  Senecio flaccidus var. douglasii LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 279 Los Angeles Verdugo Mountains; Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Near 34° 13' 14.7'' N 118° 18' 32'' W. Elev. 2000 Feet. 609 Comment
  UC750623  Senecio flaccidus var. douglasii Lewis S. Rose 1946-12-21 46299 a Los Angeles 3 mi ne La Canada (Angeles Crest Highway) 609 Comment
  UCR273277  Senecio flaccidus var. douglasii R. G. Swinney 2011-10-25 15857 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
  UC1518675  Senecio lyonii Robert F. Thorne 1973-4-12 42902 Los Angeles China Point, at end of road San Clemente Island 15 Comment
  RSA473112  Senecio vulgaris Anstruther Davidson 1917-04 s.n. Los Angeles Alvarado Street, Los Angeles. Comment
  POM193  Senecio vulgaris I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough. [locality name change to Laguna Dominguez] Comment
  RSA716217  Senecio vulgaris Andrea Edwards, Pam De Vries 2006-4-11 81 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA585074  Setaria viridis L. C. Wheeler 1931-9-11 132 Los Angeles 2 mi. NE La Verne 373 Comment
  RSA447539  Sherardia arvensis A. Menke 1955-4-13 s.n. Los Angeles Los Angeles. Comment
  RSA356586  Sibara filifolia R. M. Beauchamp, Kelly Jr. s.n. Los Angeles San Clemente Island: on saddle below 3rd sea terrace, south of Guds, 1 mile WNW of Pyramid Head. 155 Comment
  CAS-BOT-BC213325  Sidalcea A. D. E. Elmer 1902-6-1 3612 Los Angeles Palmdale Comment
  UC55291  Sidalcea malviflora subsp. malviflora J. H. Barber 1897-3-21 Los Angeles Santa Monica Forestry Station Comment
  RSA95386  Sidalcea malviflora subsp. sparsifolia F. W. Peirson 1951-2-26 2064 Los Angeles Inglewood Comment
  SD186159  Silene antirrhina A. C. Sanders, Helen Kennedy 2005-4-13 29420 Los Angeles Santa Clarita area, lower Mint Canyon at Mint Canyon. 456 Comment
  LA82447  Silene coniflora O. H. Kappler; May 1963 610 Los Angeles Santa Monica Mountains, Cold Creek, Monte Nido, N slope near fire station 182 Comment
  RSA477859  Silene gallica George B. Grant 1905-4-2 s.n. Los Angeles Pasadena. Comment
  PASA1300  Silene laciniata J. E. Giguette May '26 Los Angeles Flintridge Comment
  LA94369  Silene laciniata subsp. laciniata Carl Epling; 1931-4-18 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA650323  Silene laciniata subsp. major A. E. Hersh 1950-7-15 s.n. Los Angeles about 3 miles from west end of Topanga Canyon. El. 152 Comment
  RSA640314  Silene laciniata subsp. major L. C. Wheeler 1931-5-22 s.n. Los Angeles San Gabriel Mountains: Live Oak. Comment
  RSA65694  Silene laciniata subsp. major F. W. Peirson 1923-5-21 4288 Los Angeles Fish Canyon, San Gabriel Mountains. 610 Comment
  RSA588045  Silene verecunda subsp. platyota Orlando Mistretta 1994-5-31 1277 -A Los Angeles Santiago Canyon. N slope of Pacifico Mtn. 1939 Comment
  UC1595358  Silene verecunda subsp. platyota Tim Ross 1992-7-24 6774 Los Angeles 1325 m distant from summit Strawberry Peak Strawberry Peak (Strawberry Potrero, San Gabriel Mts.); San Gabriel Mts., Strawberry Potrero, Strawberry Peak Comment
  UC1587605  Sisymbrium altissimum Tim Ross 1991-8-14 5754 Los Angeles Roundtop Mountain; San Gabriel Mountains, Roundtop Mountain 1892 Comment
  UCR189714  Sisymbrium altissimum R. G. Swinney 1998-7-10 6402 Los Angeles San Gabriel Mtns., SW of Wrightwood, dry lake adjacent to Rd 3N06 (Blue Ridge Rd.), 0.4 mi. east of Hwy 2 2250 Comment
  SD124476  Sisymbrium altissimum Barry Prigge 1986-3-20 6968 Los Angeles Tehachapi Mountains: 0.4 mile east of Gorman on Lancaster Road. 1232 Comment
  UCR62319  Sisymbrium irio R. G. Swinney 1990-3-14 1523 Los Angeles San Gabriel Mountains, Glendora Wilderness Park, on Big Dalton Canyon Road, 1.0 mi east of Glendora Mtn Road, east side of road 442 Comment
  RSA584675  Sisymbrium officinale Timothy S. Ross, Annette Ross 1991-6-3 5551 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  IRVC26439  Sisymbrium orientale A. C. Sanders, Mark Elvin, et al. 2003-3-4 25689 Los Angeles Newhall Ranch, along dirt road on eastern slopes below "Grapevine Mesa," 1.75 mi. ESE of Del Valle, south of confluence of Castaic Creek with Santa Clara River NE end of Santa Susana Mtns. 335 Comment
  UCR194187  Sisyrinchium R. G. Swinney 1998-7-29 6530 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  SD69781  Sisyrinchium bellum Robert F. Thorne, Bill Weber, Rolf Santesson 1966-4-7 35976 Los Angeles Grassy slope near Arrow Point, near road to Parson Landing, west end of Catalina Island. 91 Comment
  UCR204417  Sisyrinchium bellum R. G. Swinney 2001-9-15 8177 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  LA32374  Solanum americanum Peter H. Raven; Henry J. Thompson 1959-10-14 14635 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  UCD126939  Solanum douglasii B. Pitzer 1996-5-5 2860 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills. San Pedro Naval Fuel Depot, at San Pedro Hill. 409 Comment
  UCR222800  Solanum douglasii R. G. Swinney 2009-5-9 10708 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, San Gabriel River near Van Tassel Canyon confluence, 1.2 miles north of Foothill Blvd. on east side of El Encanto Parkway 183 Comment
  UCR205744  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36973 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  CAS-BOT-BC83634  Solanum umbelliferum C. Epling; L. Wheeler 1933-6-4 1850 Los Angeles Near Summit, Ridge Route. 1524 Comment
  RSA0114811  Solanum umbelliferum R. G. Swinney 2011-5-6 14621 Los Angeles San Gabriel Mountains; north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  UCR191518  Solanum umbelliferum R. G. Swinney 1998-7-8 6316 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  POM156292  Solanum umbelliferum L. R. Abrams 1902-6-29 2586 Los Angeles Mt. Wilson, San Gabriel Mountains. Comment
  SEINET6186049  Solanum umbelliferum N. R. Berg 1904-4-14 s.n. Los Angeles Santa Monica Comment
  UC625090  Solanum wallacei F. R. Fosberg 1931-3-18 S 4285 Los Angeles Santa Catalina Island, Hamilton Canyon Hamilton Canyon; Santa Catalina Island, Hamilton Canyon 10 Comment
  SBBG120064  Solanum xanti A. C. Sanders 2003-4-14 25981 Los Angeles Newhall Ranch, ca. 0.4 mi N of St Hwy 126, W of Castaic Crk and N of its confluence with Santa Clara River, 0.6 mi S of Commerce Center Drive along Franklin Parkway 305 Comment
  UC1871271  Solanum xanti T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3985 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
  RSA93074  Solidago californica F. W. Peirson 1918-11-1 1228 Los Angeles Arroyo Seco Canyon, south slope of San Gabriel Mts. 1296 Comment
  UCR104140  Solidago occidentalis Scott D. White 1997-11-5 6020 Los Angeles Zuma Beach, Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  JEPS32448  Solidago velutina subsp. californica F. W. Peirson 1918-11-1 230 a Los Angeles Arroyo Seco , Arroyo Seco (San Gabriel Mts.) 1295 Comment
  RSA591062  Sonchus oleraceus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10927 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA4783  Sonchus oleraceus James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  UC284186  Sonchus oleraceus P. A. Munz 1923-4-9 6680 Los Angeles 2 mi s Casa Blanca (San Clemente Island); San Clemente Island Comment
  RSA688878  Sorghum halepense R. E. Riefner 2003-10-30 3 -465 Los Angeles City of Chino, Edison Avenue at magnolia Avenue 230 Comment
  RSA588910  Spartium junceum T. S. Ross 1990-6-8 2951 Los Angeles Upper Big Tujunga Canyon (ca. 0.9-1.4 air miles ENE of Barley Flats). 1280 Comment
  UCR255787  Spartium junceum R. G. Swinney 2010-4-20 12300 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  RSA725849  Sphenosciadium capitellatum R. G. Swinney 1997-7-16 5658 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  CAS-BOT-BC235433  Sporobolus airoides Roxana S. Ferris 1918-6-12 907 Los Angeles In desert road between Oban and Lancaster Comment
  UCR127386  Stachys albens A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25527 Los Angeles Santa Clara River Valley, Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  POM4057  Stachys bullata L. R. Abrams 1902-6-16 2548 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  RSA608527  Stachys bullata Louis C. Wheeler 1930-4-26 27 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  UCSB2452  Stanleya pinnata Ralph, F. 1959-5-15 Los Angeles Along roadside of cutoff between Hwy. 6 and Hwy. 138, 2.7 miles from its jct. with 138; High Mojave Desert Comment
  JEPS30481  Stebbinsoseris heterocarpa Henry J. Thompson 1959-4-19 1957 Los Angeles Mulholland Highway 1 mi w Las Virgenes Road (Malibu Creek drainage, Santa Monica Mountains); Santa Monica Mountains, Malibu Creek drainage, Mulholland Hi 274 Comment
  SD264788  Stebbinsoseris heterocarpa Steven A. Junak, Ralph N. Philbrick 2001-5-17 Sca 1528 Los Angeles UTM in supplement. Santa Catalina Island. E of Little Harbor, near Sheep Chute Road, ca. 0.5 mile from intersection with Little Harbor Road. 121 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
  SFV6373  Stellaria media K. A. Wilson 1974-3-8 1351 Los Angeles San Fernando Valley Los Angeles, North Hollywood. Front yard at 5910 Auckland Ave. 193 Comment
  UCR258554  Stellaria media R. G. Swinney 2010-8-9 13482 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  SFV20879  Stenotaphrum secundatum L. Gross, A. E. Gutman, S. Gutman 2000-9-8 270 Los Angeles San Fernando Valley Tujunga Ponds. 335 Comment
  UC1595319  Stephanomeria cichoriacea Tim Ross and Orlando Mistretta 1992-7-24 6758 Los Angeles San Gabriel Mountains: Vicinity of Strawberry Spring, 86 degrees E, 1100 m distant from Strawberry Peak summit. 1479 Comment
  CATA1806  Stephanomeria diegensis Benjamin E. Carter 2012-8-23 6990 Los Angeles Santa Catalina Island: Airport Road, ca. 1/4 miles north of Middle Ranch Road 405 Comment
  RSA355906  Stephanomeria diegensis R. F. Thorne 1975-9-3 47375 Los Angeles Santa Catalina Island. S of docks at Fisherman's Cove Comment
  UC92340  Stephanomeria diegensis T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UC74015  Stephanomeria exigua subsp. coronaria Dr. J. Q. Adams Los Angeles Soldiers Home Comment
  RSA747412  Stephanomeria parryi R. G. Swinney 2008-6-9 8963 Los Angeles lower Sandrock Creek, 0.8 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  CAS-BOT-BC322835  Stephanomeria pauciflora Ernest C. Twisselmann 1970-9-8 17495 Los Angeles Highway 14 at Avenue A, Antelope Valley, Mojave Desert 731 Comment
  CAS-BOT-BC375719  Stephanomeria runcinata Le Roy Abrams; E. A. McGregor 1908-6-30 510 Los Angeles Lancaster (Mojave Desert) 853 Comment
  UCR259069  Stephanomeria virgata R. G. Swinney 2010-10-8 14012 Los Angeles San Gabriel Mountains, Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge 2453 Comment
  POM246426  Stephanomeria virgata F. R. Fosberg 1931-12-10 7147 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island. 10 Comment
  RSA670939  Stephanomeria virgata subsp. virgata Joseph M. Keefe 2001-1-19 30907 -a Los Angeles Intersection of Upperton Avenue, Buena Vista Terrace and Nolden Strreet; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 256 Comment
  UC1922875  Stipa cernua Scott D. White, Pam DeVries 2006-5-9 11401 Los Angeles SE Tehachapi Mountains: Gorman area, valley & slopes along Gorman Creek, NE of I-15 Fwy. and SW of Gorman Post Rd. Lebec 7.5' Quad. Comment
  UCR166088  Stipa hymenoides Dat Tien 2004-5-1 s.n. Los Angeles Western Mojave Desert, Antelope Valley, c. 9 mi NE of Littlerock and c. 4 mi west of Lake Los Angeles (housing development) 884 Comment
  SD84784  Stipa pulchra Reid Moran 1941-2-16 570 Los Angeles San Clemente Island, on west end of ravine, Middle Ranch 500 Comment
  SEINET3130546  Stipa speciosa Unknown 3709 Los Angeles Acton, Mt. Gleason Comment
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Mar 9 2015
  UCR24303  Stipa speciosa John C. Roos 1942-3-7 1003 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  RSA727373  Stylocline psilocarphoides R. G. Swinney 1998-5-16 6080 Los Angeles San Gabriel Mountains/Mojave Desert: Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction. 1305 Comment
  RSA781189  Stylomecon heterophylla D. Silverman, Cindy Hopkins 2007-4-27 6770 Los Angeles SW Tehachapi Mts., Tejon Ranch, 1.2 km S of Kern County line, 1.2 km due-N of Oso Canyon and 1.3 km S of National Cement plant 1053 Comment
  CAS-BOT-BC110421