Search Results — 2000 specimen records retrieved (1566 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA597119  Abies concolor T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3712 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  UCR141156  Abronia pogonantha June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near Hi Vista, vicinity of Ave G at 200th St. East, Antelope Valley 945 Comment
  UCR255485  Acacia Dan S. Cooper 2014-6-19 614- 12 B Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Wonder View Dr., northwest of Hollywood Reservoir 273 Comment
  IRVC28735  Acacia baileyana A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Julie M. Vanderwier 2002-8-8 25569 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  CDA3983  Acacia cyclops A. C. Sanders 1986-7-3 6804 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd., Pacific slope. Comment
  RSA597234  Acacia saligna Scott D. White 1995-3-15 2570 Los Angeles Malibu. Upslope from Winter Canyon, near Pepperdine Univ., N of Pacific coast Hwy., E of Malibu cyn. rd., SW of Malibu Civic Center Way 91 Comment
  UC625727  Acamptopappus sphaerocephalus var. hirtellus Annie M. Alexander 1939-6-26 848 Los Angeles w Victorville Comment
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Feb 10 2015
  CAS-BOT-BC412575  Acanthoscyphus parishii var. parishii R. F. Thorne; L. E. DeBuhr 1972-8-18 42257 Los Angeles San Gabriel Mts., Angeles National Forest: ridge running E. from peak of Mt. Islip 2407 Comment
  CAS-BOT-BC331571  Acer macrophyllum Fay A. Mac Fadden 1936-9-6 14733 Los Angeles San Antonio Canyon, Mt. Baldy Camp Comment
  JEPS42676  Acer macrophyllum Frank W. Peirson 1919-4-5 107 a Los Angeles Old Mt. Wilson trail , Old Mt. Wilson trail (San Gabriel Mountains) 685 Comment
  RSA394178  Acer macrophyllum Robert Gustafson 1977-4-5 402 Los Angeles Angeles Crest Hwy, about 5 miles from the junction with Foothill Blvd. Comment
  UCR179704  Achillea millefolium R. G. Swinney, Dave Larson 1996-7-17 5132 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  CAS-BOT-BC211921  Achnatherum coronatum Mrs. Jos. Clemens 1922-5-30 s.n. Los Angeles Base of Mt. Wilson Comment
  RSA729780  Achnatherum hymenoides R. G. Swinney 1998-7-2 6242 Los Angeles San Gabriel Mtns.: high point of East Table Mountain, Wrightwood area. 2256 Comment
  RSA639723  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  SD186060  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2005-4-26 29740 Los Angeles Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road. 594 Comment
  UCR187195  Achyrachaena mollis A. C. Sanders 2006-4-25 32193 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  CATA238  Acmispon argophyllus var. argenteus Mark L. Hoefs, A. Douglas Propst 1973-5-4 234 Los Angeles Santa Catalina Island: Lower Middle Canyon 144 Comment
  UCD103996  Acmispon argophyllus var. argophyllus Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Reservoir at the west end of the San Fernando Valley. 365 Comment
  SD90317  Acmispon dendroideus var. dendroideus Robert F. Thorne 1970-3-5 39374 Los Angeles Santa Catalina Island, upper Avalon Canyon in coastal sage scrub Comment
  RSA0106726  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SBBG119551  Acmispon heermannii var. heermannii O. Mistretta 1992-7-14 710 Los Angeles Gold Cyn Trail, Tujunga Ranger District Comment
  CATA446  Acmispon micranthus Sara L. Crockett 1997-3-17 586 Los Angeles Santa Catalina Island: 0.25 mile NE on Cape Canyon Road from jct. with Middle Canyon Road, W side of road, on SE-trending dry ridge 251 Comment
  SBBG130701  Acmispon micranthus S. A. Junak 2000-5-6 SCa 1273 Los Angeles just W of Upper Quarry Rd, above Empire Landing, ca. 2.0 mi W of intersection with rd to housing at Empire Landing, flats at top of bluffs 292 Comment
  SBBG31487  Acmispon micranthus R. F. Thorne 1966-4-5 Los Angeles above stream in Cottonwood Cyn 106 Comment
  SBBG12346  Acmispon micranthus P. H. Raven 1962-5-8 17591 Los Angeles above Seal Cove 24 Comment
  UCD170822  Acmispon procumbens R. G. Swinney 2009-5-20 10803 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
  RSA94810  Acourtia microcephala F. W. Peirson 1919-7-1 520 Los Angeles South base of San Gabriel Mtns, Fish Canyon. 457 Comment
  RSA390572  Adenostoma fasciculatum Howard Mullins 1931-4-19 s.n. Los Angeles Hillside chaparral, Flintridge Comment
  SFV21013  Adenostoma fasciculatum L. Gross 2003-3-7 760 Los Angeles Verdugo Mountains Northwest side of Verdugo Mountains. Verdugo Crestline Dr. (fire road) just north of the 210 Freeway. Entered on the west side at Topley Lane, off of Newhome Ave. in Sunland. Above road near top of ridge. 555 Comment
  UCR124752  Adenostoma fasciculatum B. C. Templeton 1930-5-27 1453 Los Angeles Western Transverse Range; Santa Monica Mtns., Mulholland Drive northwest of Hollywood 600 Comment
  UCR124941  Adenostoma fasciculatum B. C. Templeton 1960-5-14 8446 Los Angeles Western San Gabriel Mtns., Mint Canyon near Solemint 500 Comment
  RSA580982  Adenostoma fasciculatum var. fasciculatum Catherine A. Mish 1995-3-4 13 Los Angeles Santa Monica Mountains, Hollywood Reservoir. 250 Comment
  UCR191190  Adiantum capillus-veneris R. G. Swinney 1999-7-28 7592 Los Angeles San Gabriel Mtns., Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon 1098 Comment
  RSA687669  Adiantum capillus-veneris L. E. Hoffman 1932-3-24 s.n. Los Angeles Trail Canyon Comment
  CAS-BOT-BC65631  Adiantum jordanii George B. Grant; Walter Wheeler 1904-4-21 26 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  VVC3237  Adiantum jordanii Tim Thomas 1977-3-29 93 Los Angeles Transverse Range, Santa Monica Mountains, Stunt Ranch 384 Comment
  PASA911  Agoseris retrorsa Frank W. Peirson 1922-7-6 Los Angeles Blue Ridge, San Gabriel Mts. 2316 Comment
  UCR223779  Agoseris retrorsa R. G. Swinney 2009-6-17 11160 Los Angeles Transverse Range; San Gabriel Mtns., Ball Flat, 2.6 miles NW (312 deg. ) of Big Pines 1890 Comment
  UCR62353  Agoseris retrorsa Jeri Hirshberg, T. Glenn 1990-5-12 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest; north of Oak Spring Canyon amd west of Pole Canyon, south of military reservation at mouth of Pole Canyon, where it joins Soledad Canyon 917 Comment
  RSA0035490  Agoseris retrorsa Orlando Mistretta 1989-5-5 s.n. Los Angeles Bouquet Canyon. Comment
  RSA0110788  Agrostis Richard G. Swinney 2010-9-30 13920 Los Angeles San Gabriel Mountains: 1.75 miles SW of Dawson Saddle on SE side of Hwy 2 (Angeles Crest Hwy), S Fork Big Rock Creek, below Lily Springs. 2290 Comment
  SEINET3238907 Image available Agrostis R. G. Swinney 1998-7-29 6548 Los Angeles San Gabriel Mtns.; c. 100 m downstream from Upper Fish Fork Campground. 1817 Comment
  SEINET3282759 Image available Agrostis R. G. Swinney 2001-9-16 8159 Los Angeles San Gabriel Mountains; 100 m east of Little Jimmy Spring Canyon, south Fork, south of Hwy 2, 0.6 mi due east of Mt. Islip and c. 2 mi north of Crystal Lake. 2207 Comment
  UCR209638  Agrostis R. G. Swinney 2008-7-2 9116 Los Angeles San Gabriel Mtns., Buckhorn Flat Campground, south of Hwy 2/Angeles Crest Hwy 2000 Comment
  RSA748326  Agrostis exarata R. G. Swinney 2005-8-9 8411 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  CAS-BOT-BC139055  Agrostis pallens Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Near Soldiers Home. Comment
  HSC79822  Agrostis pallens James Henrickson 1973-6-23 10939 Los Angeles 1.5 mi. N of Malibu, at junction of Rambala Pacifico and Schueren Road 427 Comment
  OBI40201  Agrostis stolonifera John C. Roos 1950-9-16 4988 Los Angeles Santa Monica Blvd & Midvale Ave, Los Angeles 61 Comment
  UC1587690  Agrostis viridis Tim Ross 1991-4-21 4528 Los Angeles vicinity of old water tank Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 228 Comment
  RSA0070361  Alcea rosea R. G. Swinney 2010-4-20 12285 Los Angeles San Gabriel Mountains: Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR178931  Alisma triviale R. G. Swinney 1989-5-22 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, Big Dalton Canyon, Big Dalton Debris basin 366 Comment
  RSA649699  Allium fimbriatum Michael Horn 1991-5-7 30 Los Angeles Take dirt road 4N06 2.5 miles north of Hwy CN4 to reservoir. East 1/8 mile on unnamed dirt road to site 1463 Comment
  CAS-BOT-BC472943  Allium monticola I. M. Johnston 1917-7-4 1446 Los Angeles Head of San Antonio Canon 2438 Comment
  SBBG50402  Allium praecox R. M. Beauchamp, M. Douglas 1972-3-24 3243 Los Angeles San Clemente Island 60 Comment
  POM175579  Allophyllum glutinosum E. Crow 1930-6-28 s.n. Los Angeles Bichota Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC170979  Alnus rhombifolia W. R. Dudley 1907-11-28 s.n. Los Angeles Sawpit Canyon (near Monrovia) Comment
  JEPS58604  Alnus rhombifolia C. E. Hutchinson 1892-8-10 Los Angeles in small canyon near Altadena 243 Comment
  UC1135144  Alnus rhombifolia F. H. Raymond 1930-1-29 46 Los Angeles Topanga Canyon Calabasas Quadrangle 91 Comment
  SEINET10481949  Alyssum alyssoides Robert F. Thorne, Mae Z. Thorne 1969-7-9 Thorne 38473 Los Angeles San gabriel mts, angeles nat'l forest: dry, open, gravelly s facin slope of Table mt. Above big pines ranger station; fls deep purple. 2118 Comment
  RSA601638  Amaranthus albus L. C. Wheeler 1967-6-26 9869 Los Angeles Elsmere Canyon 434 Comment
  POM715  Amaranthus hybridus I. M. Johnston 1918-9-21 s.n. Los Angeles Upland. Comment
  SD220021  Amaryllis belladonna Steve Boyd, Valentin Arvizu and Rick Riefner 2006-9-21 11700 Los Angeles Verdugo Mountains region; side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  RSA248883  Amblyopappus pusillus R. F. Thorne 1973-4-12 42931 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  UC1215251  Amblyopappus pusillus Peter H. Raven 1962-5-8 17590 Los Angeles slopes above, in clayey grassland Seal Cove; San Clemente Island 38 Comment
  RSA522939  Ambrosia acanthicarpa Timothy S. Ross, Orlando Mistretta 1990-10-24 3307 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  LA31645  Ambrosia chamissonis Peter H. Raven; Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains 45 Comment
  SBBG126267  Ambrosia confertiflora A. C. Sanders with T. B. Salvato 2009-5-29 37040 Los Angeles Irwindale on W side of Santa Fe Dam, W edge of the 605 Fwy N of Arrow Hwy and S of where the freeway crosses the NW end of the dam 130 Comment
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May 2 2014
  CAS-BOT-BC55596  Ambrosia psilostachya Carl B. Wolf 1932-10-5 4241 Los Angeles Santa Catalina Island. Junction of Isthmus Road & Road to Black Jack Peak 243 Comment
  RSA0020543  Ambrosia psilostachya G. J. Hoffenberg 1928-7-24 s.n. Los Angeles El Segundo. Comment
  UCD170783  Amorpha californica R. G. Swinney 2009-5-8 10696 Los Angeles Transverse Range; San Gabriel Mtns., Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  RSA415285  Amorpha californica var. californica Wm. Martin 1972-5-12 s.n. Los Angeles Gold Creek, Little Tujunga. Comment
  UCR271479  Amsinckia R. G. Swinney 2011-5-3 14576 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  RSA675863  Amsinckia intermedia LeRoy Gross 2003-3-7 769 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
  SD252290  Amsinckia menziesii Steven A. Junak 1999-4-22 Sca 841 Los Angeles Santa Catalina Island: in upper part of Cape Canyon, at pumphouse, just upstream from fork in road. 305 Comment
  RSA527743  Amsinckia spectabilis Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4311 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  SBBG132065  Amsinckia spectabilis S. A. Junak, B. Collins 1991-4-24 SCI 196 Los Angeles S side of mouth of Eel Cove Cyn 42 Comment
  SBBG63564  Amsinckia tessellata R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  UCR123811  Amsinckia tessellata Steven R. Hill, K. Kramer 2001-4-22 33338 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  RSA587519  Amsinckia tessellata var. tessellata Orlando Mistretta 1994-4-29 1108 Los Angeles San Gabriel Mountains: Santiago Canyon. Ridge on W edge of Santiago Cyn watershed N of Forest Road 4N20. 1372 Comment
  UCD121199  Amsonia tomentosa J. E. Law 1923-5-19 341 Los Angeles Quail Spring. Comment
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Sep 23 2017
  RSA648277  Anagallis arvensis Jami Liberi 1983-4-16 21 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  CAS-BOT-BC45260  Ancistrocarphus filagineus Steve Boyd; Lauren Raz 1997-4-16 9511 Los Angeles Liebre Mtns, Lower Apple Canyon, due E of the confluence of Canda de Los Alamos (Lower Hungry Vly) and Peace Vly and I-5 853 Comment
  SBBG58470  Androsace elongata R. Hoffmann 1932-4-3 Los Angeles where Elizabeth Lake Cyn enters hills, Palmdale Comment
  RSA165740  Anemopsis californica Brian C. Miller 1963-7-5 s.n. Los Angeles Hwy 399, one mile SE of Gorman. Comment
  RSA503836  Anemopsis californica Frances M. Morey 1922-5-15 s.n. Los Angeles West Adams Street. Comment
  RSA416650  Anisocoma acaulis Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  RSA94601  Anisocoma acaulis F. W. Peirson 1923-5-27 4316 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1097 Comment
  UCR136837  Anthemis cotula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  UCR189408  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
  RSA597404  Antirrhinum coulterianum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3770 Los Angeles San Gabriel Mountains. Ridgetop to the SW of Crystal Lake (ridge descending SSW from Mt. Islip). 1780 Comment
  UCR146339  Antirrhinum coulterianum James Henrickson 1985-3-30 19782 Los Angeles Western Transverse Range, c. 3 air miles NNW of Newhall in proposed North Hills development just north of Santa Clara River and just east of San Francisquito Creek 381 Comment
  RSA425777  Antirrhinum coulterianum Thekla Mohr 1897-05 3371 Los Angeles Sierra Madra Comment
  RSA656325  Antirrhinum kelloggii Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 685 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 595 Comment
  UCR136923  Antirrhinum kelloggii B. C. Templeton 1931-3-29 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  RSA292470  Antirrhinum multiflorum James Henrickson 1973-6-23 10934 Los Angeles 1 1/2 miles N of Malibu, in tract of land at junction of Rambala Pacifico and Schueren Road Comment
  CATA2977  Aphanisma blitoides Peter J. Dixon 2015-2-17 005 Los Angeles Santa Catalina Island: Ragger's Point, North Ridge of Cottonwood Canyon 260 m East of Pacific Ocean, West of Two Harbors Rd. Growing on midden. Aspect; South 190 85 Comment
  SD69360  Aphanisma blitoides Robert F. Thorne, P. Everett 1965-5-11 34528 Los Angeles Santa Catalina Island, east side of Catalina Harbor, near Ballast Point 49 Comment
  UCR86542  Aphanisma blitoides T. S. Ross 1991-5-20 5349 Los Angeles San Clemente Island, un-named knoll c. 5500 feet south of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  RSA470372  Apiastrum angustifolium F. R. Fosberg 1931-3-26 S- 4380 Los Angeles Santa Catalina Island. Sea bluffs W of Hamilton Canyon. 90 Comment
  SBBG13297  Apiastrum angustifolium M. A. Piehl 1962-6-9 63244 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UCR189824  Apocynum androsaemifolium R. G. Swinney 1998-9-4 6904 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR147291  Apocynum cannabinum Orlando Mistretta, Peter L. Morrell 1992-6-4 500 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  UCR85827  Arabis glabra T. S. Ross 1991-8-16 5822 Los Angeles San Gabriel Mtns, Horse Flats 1720 Comment
  RSA598857  Arabis pulchra Steve Boyd, Timothy S. Ross 1997-3-21 9233 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  RSA628869  Arabis pulchra var. pulchra L. C. Wheeler 1968-4-17 s.n. Los Angeles Big Rock Creek, 1/4 mile north of Big Rock Springs. 1158 Comment
Read comments
Jul 28 2014
  RSA733083  Arabis pulchra var. pulchra R. G. Swinney 2001-4-18 7900 Los Angeles Mojave Desert: Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road. 1244 Comment
  UCR150836  Arabis sparsiflora R. G. Swinney, Dave Larson 1999-5-15 7174 Los Angeles San Gabriel Mtns., Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas, San Dimas Experimental Forest 610 Comment
  RSA715422  Arceuthobium divaricatum R. G. Swinney 1997-9-6 5864 Los Angeles Forest Service Rd 4N06 (up Mescal Cyn), 2.6 mi N of Big Pines Rd. About 10 mi W of FS Rd. 75 meters S of only point where stream crosses road. 1585 Comment
  CAS-BOT-BC46101  Arctostaphylos gabrielensis Walter Knight; Irja Knight 1986-11-26 6309 Los Angeles San Gabriel Mts. Mill Creek Campground at summit on road N-3 1417 Comment
  IRVC26179  Arctostaphylos glandulosa A. C. Sanders, Mark A. Elvin 2003-6-18 26965 Los Angeles private dirt road along crest of range, above Salt Canyon Santa Susana Mountains, Western Transverse Range 976 Comment
  RSA626732  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer-Keeley 1992-10-15 22107 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  OBI14712  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1935-6-21 3916 Los Angeles Mulholland dr between Sepulveda Canyon and Topanga Canyon Comment
  UCD50877  Arctostaphylos glandulosa subsp. glandulosa Daryl Koutnik; John Cuti 1978-4-19 381 Los Angeles Verdugo Mountains on fire road from Stough Canyon to La Crescenta. 762 Comment
  CAS-BOT-BC24691  Arctostaphylos glandulosa subsp. mollis John Thomas Howell 1928-2-9 3327 Los Angeles On trail between Sierra Madre and Santa Anita Canyon, San Gabriel Mts. Comment
  RSA585546  Arctostaphylos glandulosa subsp. mollis T. S. Ross 1992-4-21 6229 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
  RSA639177  Arctostaphylos glandulosa subsp. mollis L. C. Wheeler 1967-5-15 9553 Los Angeles Fremont pass, north side 541 Comment
  SFV2642  Arctostaphylos glauca K. A. Wilson 1961-4-29 1181 A Los Angeles San Gabriel Mountains Devil's Punchbowl camp site. Two miles south of Valyermo._x000B_Sandy rocky wash. 1220 Comment
  UCR186890  Arctostaphylos glauca A. C. Sanders 2006-4-14 32058 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
  LA93204  Arctostaphylos glauca Kei Nakai; 1975-11-28 TCSP 154 -75 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Topanga Canyon State Park, along fire road 30. 426 Comment
  RSA634688  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20345 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634754  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20407 Los Angeles Road to Pacifico Mtn., 7.5 km east of Mill Creek Summit, San Gabriel Mtns. 1878 Comment
  RSA634777  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20339 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634857  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20571 Los Angeles Road to Sulphur Springs Cpgrd., 4 km N of Angeles Crest Hwy, N of Chilao Cpgrd. San Gabriel Mtns. 1840 Comment
  RSA634874  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20222 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634893  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20388 Los Angeles Road to Pacifico Mtn., 6.0 km east of Mill Creek Summit, San Gabriel Mtns. 1830 Comment
  RSA634906  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22045 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA634910  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22049 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA250392  Arctostaphylos patula R. F. Thorne 1967-10-3 37282 Los Angeles Mt. Baden-Powell: Lamel Spring 2378 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA635247  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20647 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  SD234867  Arenaria douglasii A. C. Sanders 2003-5-1 26251 Los Angeles Western San Gabriel Mtns.: SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch. Comment
  UCR197772  Arenaria douglasii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 65 Los Angeles Transverse Ranges; San Gabriel Mountains, off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside 1444 Comment
  UCR190908  Arenaria macradenia R. G. Swinney 1998-7-2 6240 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA718114  Arenaria macradenia var. arcuifolia R. G. Swinney 1997-6-13 5573 Los Angeles South of Pinon Hills, c. 0.5 mi NE of Talbe Mountain, summit of ridge just west of San Bernardino Co. line. 2073 Comment
  UCR101512  Arenaria macradenia var. kuschei Steve Boyd, T. S. Ross, Laura A. Moore, Valerie Soza 1997-7-8 10012 Los Angeles San Gabriel Mtns., Upper N flank of Liebre Mountain at head of Tenrock Canyon along dirt track near FS wildlife drinker site 1585 Comment
  CAS-BOT-BC174071  Arenaria paludicola Dr. H. E. Hasse 1890-6-1 s.n. Los Angeles Unspecified Comment
  CAS-BOT-BC137667  Aristida adscensionis I. M. Johnston 1918-4-27 1861 Los Angeles Temescal Canon [Canyon]. 365 Comment
  LA210515  Artemisia californica Louis C. Wheeler; 1931-11-20 365 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  LA94388  Artemisia californica Norman A. Cole; May 1964 316 C Los Angeles Santa Monica Mountains, 1.7 mi from Pacific Coast Hwy along Rambla Pacifico 152 Comment
  SD66849  Artemisia californica R. Mitchel Beauchamp 1967-6-2 537 Los Angeles San Clemente Island, rim of canyon below Lemon Tank 305 Comment
  RSA607910  Artemisia douglasiana L. C. Wheeler 1961-6-13 7883 Los Angeles Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR256861  Artemisia douglasiana R. G. Swinney 2010-8-16 13542 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  CAS-BOT-BC93865  Artemisia dracunculus C. B. Wolf 1931-7-2 2266 Los Angeles Little Tujunga Wash, 1/2 mi. above the bridge on the road from Sunland to San Fernando. 335 Comment
  POM310453  Artemisia dracunculus Margaret Hardinge 1945-11-26 63 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  RSA0057888  Artemisia dracunculus Richard G. Swinney 2010-9-7 13691 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  UCR273274  Artemisia dracunculus R. G. Swinney 2011-10-25 15868 Los Angeles San Gabriel Mountains, along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek 1001 Comment
  SBBG109039  Artemisia nesiotica S. A. Junak 1996-5-31 SCl 559 Los Angeles N rim of Eel Cove Cyn 91 Comment
  SD51870  Artemisia nesiotica Peter H. Raven 1962-7-11 18006 Los Angeles San Clemente Island; upper end of first canyon south of Lemon Tank. Comment
  LA211274  Artemisia tridentata subsp. parishii Arthur C. Gibson; 2004-8-2 5215 Los Angeles SANTA MONICA MOUNTAINS, overlooking the 101 freeway, Calabasas Parkway frontage road. Calabasas. Comment
  RSA617465  Asclepias californica Scott D. White, Sandra L. Leatherman 1998-6-4 6642 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway/Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  UCR276765  Asclepias californica R. G. Swinney 2011-5-16 14743 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), 1.18 mi. at 73 deg. SE of Colby Ranch Rd. & FS Rd. 3N19 in Big Tujunga Cyn., c. 450 m ENE of lodge in center of camp 1375 Comment
  POM3355  Asclepias eriocarpa E. L. Brown 1893-06 s.n. Los Angeles Open fields, Pasadena Comment
  UC1584719  Asclepias eriocarpa Tim Ross, Annette Ross 1991-6-3 5547 Los Angeles Elephant Hill, e from e ridge summit, west Pomona Pomona 304 Comment
  UCR95528  Asclepias eriocarpa L. C. Wheeler 1970-8-30 s.n. Los Angeles San Gabriel Mtns., Messenger Flat 1768 Comment
  POM8707  Asclepias fascicularis P. A. Munz, R. D. Harwood 1920-8-11 4386 Los Angeles 1 mi. So. of Claremont. 366 Comment
  UCSB4941  Asclepias fascicularis Haller, John 1960-7-22 Los Angeles North side of Calif. 138, 0.6 miles east of U.S 99, 1.5 miles east of Gorman 1127 Comment
  RSA233557  Asclepias vestita R. F. Thorne, C. W. Tilforth, et al. 1972-6-29 42100 Los Angeles 2.0 mi SE of Valyermo on road to Jackson Lake 1433 Comment
  CAS-BOT-BC68757  Asplenium vespertinum Munz; Street; Williams 1919-4-5 2454 Los Angeles Puddingstone Canyon, San Dimas Comment
  POM4790  Aster subulatus var. ligulatus I. M. Johnston 1917-4-11 s.n. Los Angeles N*r Slough'. [locality name change to 'Laguna Dominguez'] Comment
  CAS-BOT-BC177524  Astragalus bicristatus Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  RSA737562  Astragalus brauntonii Sandra Leatherman 1999-6-18 77 Los Angeles Transverse Ranges, Santa Susana Mtns region, Dayton Canyon 341 Comment
  UCR126875  Astragalus didymocarpus A. C. Sanders 2003-4-29 26176 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  SBBG68221  Astragalus didymocarpus var. dispermus R. Hoffmann 1929-4-27 Los Angeles near Roosevelt Comment
  CAS-BOT-BC182850  Astragalus douglasii Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., [Swartout] Swarthout Valley Comment
  UCR50995  Astragalus douglasii A. C. Sanders, E. J. Lawlor 1988-4-3 7750 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  RSA498266  Astragalus douglasii var. douglasii Geo C. Johnstone 1928-4-28 s.n. Los Angeles Canyon N of Big Pines. Comment
  UCR137725  Astragalus douglasii var. douglasii L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mtns, Divide between Punchbowl Canyon and Watkins Creek, at end of the road and beginning of Burkhart Trail 1585 Comment
  UCR146451  Astragalus douglasii var. douglasii Orlando Mistretta 1992-5-25 404 Los Angeles Transverse Ranges; San Gabriel Mountains, Fenner Canyon Conservation Camp, between camp boundary and water tower 1713 Comment
  SDSU21087  Astragalus filipes Ian Cain 2010-5-6 1396 Los Angeles East of Whitter in the Hacienda Heights. 1.08km south east of Rose Hills Chinese Temple 262 Comment
  CAS-BOT-BC182946  Astragalus filipes Ernest C. Twisselmann 1964-6-10 9624 Los Angeles Old Highway 101, 0.5 mile northwest of Gorman 1188 Comment
  UCR20365  Astragalus gambelianus J. A. Powell, Freda Detmers 1929-4-14 s.n. Los Angeles Channel Islands, Santa Catalina Island, Descanso Canyon, near Avalon above Descanso Bay Comment
  CAS-BOT-BC187094  Astragalus lentiginosus var. borreganus I. M. Johnston 1917-8-24 1655 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  CAS-BOT-BC187375  Astragalus lentiginosus var. variabilis Timothy S. Ross 1991-4-28 4736 Los Angeles Mojave Desert: ca 940 m due W of the big butte of Three Sisters along shallow wash that runs NW toward 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... 941 Comment
  SD85145  Astragalus nevinii E. R. Blakley 1963-12-8 6412 Los Angeles San Clemente Island, north of west Cove at Sand Point near Triangulation Point 'Driggs', old sand dunes back from beach 7 Comment
  CAS-BOT-BC193023  Astragalus purshii var. tinctus Steve Boyd; Lauren Raz 1997-5-1 9672 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 1511 Comment
  CAS-BOT-BC194036  Astragalus trichopodus var. lonchus Alice Eastwood 1906-5-27 159 Los Angeles San Pedro Comment
  SD85134  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-10 5572 Los Angeles Santa Catalina Island, south slope, NE side of Blackjack Mountain 395 Comment
  UC1302387  Astragalus trichopodus var. lonchus Robert F. Thorne and P. Everett 1964-2-6 33304 Los Angeles w Isthmus Cove (Santa Catalina Island); , w of Isthmus Cove 30 Comment
  UC153560  Astragalus trichopodus var. lonchus LeRoy Abrams 1903-3-8 3109 Los Angeles near Inglewood (Grassy hills); near Inglewood Comment
  LA105084  Astragalus trichopodus var. phoxus Barry A. Prigge; 1988-7-3 8226 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, Calabasas, ca 0.5 mi. E of N-junction of Mulholland Hwy and Old Topanga Rd. on Mulholland Hwy and 0.2 mi S of highway, S of flood control basin. 335 Comment
  LA33945  Astragalus trichopodus var. phoxus Peter H. Raven; 1959-5-11 14225 Los Angeles Santa Monica Mountains, Topanga Canyon 152 Comment
  RSA656074  Astragalus trichopodus var. phoxus James Henrickson 1985-3-30 19794 Los Angeles Ca. 2 miles N of Newhall in riverbed and margins of South Fork of the Santa Clara River near crossing of Saugus Road. 306 Comment
  UC565995  Astragalus trichopodus var. phoxus A. D. Gifford 1935-3-15 462 Los Angeles 4 1/2 mi sw Red Mountain; Tejon Quad., sw of Red Mountain Comment
  UCR192051  Athysanus pusillus A. C. Sanders 2008-4-11 34853 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School, vicinity of mapped spring NW of VABM 'Pine 973 Comment
  OBI71043  Atriplex canescens Larry Kelly, David J. Keil 1988-4-16 35 Los Angeles Little Rock Campground Comment
  UCR223111  Atriplex canescens R. G. Swinney 2009-5-13 10798 Los Angeles Transverse Range; San Gabriel Mtns. Foothills, Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCSB27634  Atriplex canescens Lavinger, S. 1975-12-1 Los Angeles Lake Hughes Road, 3.5 miles north from its junction with Ridge Route Road 457 Comment
  RSA452425  Atriplex confertifolia Anstruther Davidson 1926-8-1 s.n. Los Angeles Mojave Desert. Comment
  SBBG130748  Atriplex coulteri S. A. Junak 2000-3-30 SCa 1139 Los Angeles above Goat Harbor and Ironwood Grove 365 Comment
  SBBG131698  Atriplex coulteri S. A. Junak 1999-9-11 SCa 1102 Los Angeles W side of Twin Peaks, in middle of burn area 390 Comment
  CAS-BOT-BC170117  Atriplex lentiformis Le Roy Abrams 1901-8-1 2189 Los Angeles Santa Monica Comment
  UC56784  Atriplex lentiformis Ernest Braunton Oct 1902 710 Los Angeles Ballona Ballona (shore of lagoon) Comment
  RSA608828  Atriplex lentiformis subsp. lentiformis L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road. 609 Comment
  CAS-BOT-BC180943  Atriplex nummularia Carl B. Wolf 1931-12-30 2632 Los Angeles Playa del Rey 15 Comment
  CAS-BOT-BC180917  Atriplex pacifica Alice Eastwood 1906-5-27 182 Los Angeles San Pedro Comment
  RSA450804  Atriplex semibaccata A. C. Sanders 1987-12-4 7440 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  UC1136335  Atriplex semibaccata R. St. John 1933-2-16 340 Los Angeles Castellamare Calabasas Quad., Castellamare 60 Comment
  SD51872  Atriplex semibaccata Peter H. Raven 1962-7-11 17999 Los Angeles San Clemente Island; just south of the old airstrip. Comment
  UC1215228  Atriplex semibaccata Peter H. Raven 1962-7-11 17999 Los Angeles just s old airstrip (San Clemente Island); San Clemente Island Comment
  RSA478387  Atriplex serenana Anstruther Davidson 1917-12 3283 Los Angeles Los Angeles. Comment
  CAS-BOT-BC176739  Atriplex serenana var. serenana Alice Eastwood 1908-9-1 77 Los Angeles Bimini Baths Comment
  CATA3511  Atriplex suberecta Julia Parish, Benjamin Dion, Michael Thomas, Nathalie Cartan 2017-12-14 044 Los Angeles Santa Catalina Island: Pacific side; China Point watershed before cliff at end of Bombing Range Road 250 Comment
  UCR154365  Atriplex suberecta A. C. Sanders 2005-5-5 29902 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near gate at NE end 655 Comment
  UCR238072  Atriplex suberecta Mark A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Western Transverse Range, Newhall Ranch, Salt Creek 305 Comment
  SBBG128822  Atriplex suberecta M. A. Elvin, M. S. Enright 2002-7-22 2110 Los Angeles Newhall Ranch, Salt Crk 274 Comment
  UC483216  Atriplex watsonii L. R. Abrams and I. L. Wiggins 1931-7-7 398 Los Angeles Santa Catalina Island Channel Islands, , Catalina Harbor (Catalina Harbor) Comment
  RSA251428  Avena barbata R. F. Thorne 1966-4-17 36145 Los Angeles San Clemente Island: Near Lemon Tank S of Nanny, NE side of island. 305 Comment
  RSA3480  Avena barbata C. B. Wolf 1932-5-9 3423 Los Angeles Santa Catalina Island; Avalon. 8 Comment
  RSA635047  Avena barbata Valerie L. Soza, Kent Hughes 1999-6-17 556 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above San Olene Canyon., Near 34*11'50''N 118*01'32''W 746 Comment
  RSA659745  Avena barbata Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 65 Los Angeles San Clemente Island. Comment
  UCR108415  Avena barbata Valerie Soza, J. Gural, Damian Ross, M. E. Siqueiros D. 1997-3-8 12 Los Angeles Foothills of San Gabriel Mtns., Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Avenue and Foothill Boulevard. West of main paved road, just north of chain link fence along Foothill Blvd. 412 Comment
  LA11006  Avena fatua D. Dunn; 1941-2-21 678 Los Angeles 1 block S of Santa Monica Blvd on Westwood Blvd, West L.A Comment
  RSA385385  Avena fatua Howard Mullins 1931-3-13 s.n. Los Angeles L.A. [Los Angeles] Vacant Lots and waste places in the city, roadsides Comment
  RSA779995  Avena fatua R. G. Swinney 2009-4-7 10287 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  RSA385413  Avena sativa F. R. Fosberg 1931-3-31 S- 4425 Los Angeles Avalon, Santa Catalina Island. Comment
  UCR127647  Azolla filiculoides A. C. Sanders, Mark Elvin 2002-6-20 25227 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0034489  Azolla filiculoides Philip R. Brown 1971-1-8 s.n. Los Angeles Canon de Lana, L.A. Pierce College. 279 Comment
  NY39303  Baccharis malibuensis R. M. Beauchamp 1991-8-26 s.n. Los Angeles Santa Monica Mountains; Stokes Canyon, on south-facing slope 213.4 Comment
  POM350400  Baccharis pilularis F. R. Fosberg 1931-7-11 7203 Los Angeles Ridge Route near Tumble Inn,, Western Sierra Madre Mts. 1100 Comment
  UC1595287  Baccharis pilularis Tim Ross 1991-3-10 4221 Los Angeles e side of, (Bernard Field Stn, near Phake Lake, marked as Pit on topo map) RSA; Claremont, Phake Lake 391 Comment
  POM350349  Baccharis salicifolia F. R. Fosberg 1931-5-7 4829 Los Angeles Cottonwood Canyon, Santa Catalina Island 200 Comment
  POM350362  Baccharis salicifolia Wm. Martin 1971-8-25 s.n. Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  RSA0091118  Baccharis salicifolia R. G. Swinney 2010-4-15 12252 Los Angeles Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  SD236177  Baccharis salicifolia Sandra Murcia, Gregg Miller 2006-3-10 Los Angeles South Coast: Palos Verdes Peninsula, NW corner of the intersection of Crestridge Road and Crenshaw Boulevard in the city of Rancho Palos Verdes 305 Comment
  UCR223033  Baccharis salicifolia R. G. Swinney 2009-5-6 10670 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 1085 Comment
  CATA1906  Baccharis sarothroides Sarah Ratay, Vyki Englert 2009-11-29 110 Los Angeles Santa Catalina Island: Empire Fire perimeter (2006), in transect 2b line, uphill from old marble quarry 290 Comment
  JEPS59783  Bassia hyssopifolia Harry L. Bauer 1928-11-12 Los Angeles Long Beach Comment
  LA31634  Bassia hyssopifolia Peter H. Raven; Henry J. Thompson 1959-9-6 14365 Los Angeles Santa Monica Mountains, Malibu Creek, mouth of creek 3 Comment
  CAS-BOT-BC75762  Berberis nevinii Elmer I. Applegate 1931-11-2 6826 Los Angeles San Fernando Wash, San Fernando. Comment
  RSA485311  Bidens pilosa Patricia Callahan 1965-4-20 10 Los Angeles Wash, Pomona Campus, Claremont. 366 Comment
  SEINET3146115  Blepharipappus glandulosus G. B. Grant 1904-5-5 112 Los Angeles Arroyo Seco Cyn., Sierra Madre Mts. Comment
  UCR155377  Bloomeria crocea A. C. Sanders, T. B. Salvato 2005-5-24 30269 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  RSA656675  Bloomeria crocea G. Pitto 1980-6-8 49 Los Angeles At base of trail, south end of Hinderberg Park [Crescenta Valley Park] bottom of Dunsmore Ave. La Crescenta. 518 Comment
  RSA653787  Bloomeria crocea var. crocea J. Bogdanoff-Lord 1989-5-12 13 Los Angeles Angeles National Forest; 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA367303  Bloomeria crocea var. crocea Gus Glueckert 1937-5-3 s.n. Los Angeles Culver City Comment
  RSA678202  Boechera californica V. Soza, LeRoy Gross 2001-4-24 1178 Los Angeles Santa Anita 1999 Fire area, above Santa Anita Canyon, ca. 0.5 mile WNW of the Santa Anita Dam. 762 Comment
  RSA0128741  Boechera californica W. P. Burger 1979-5-18 103 Los Angeles Angeles Crest Hwy, turnout by stream ca. 1 mile from jct with Angeles Forest Hwy. 1066 Comment
  SBBG47090  Boechera pulchra K. K. Muller 1972-5-2 3076 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  UCD170975  Boechera 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
  SEINET11941934  Bougainvillea glabra J. Bright, Wyman, C. 1931-1 5700 Los Angeles Hollywood Comment
  UC557691  Bowlesia incana Nell Murbarger April, 1936 190 Los Angeles e side of San Clemente Island San Clemente Island Comment
  RSA481882  Boykinia rotundifolia Richard Noyes 1988-9-18 740 Los Angeles San Antonio Canyon. Rocky wash behind San Antonio Dam. 701 Comment
  RSA729749  Boykinia rotundifolia R. G. Swinney 1999-7-28 7595 Los Angeles Clark Gulch, at falls c. 400 m east of confluence with East Fork San Gabriel River Canyon. 1098 Comment
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Oct 3 2010
  UCR152538  Brachypodium distachyon A. C. Sanders, Lee Jones 2005-4-8 29344 Los Angeles South Coast, Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 Comment
  SBBG17794  Brassica geniculata P. H. Raven 1962-5-9 17660 Los Angeles near observation point on slope overlooking Pyramid Cove 167 Comment
  SEINET10858337 Image available Brassica rapa Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2577 Los Angeles City of San Gabriel. Hawaii Supermarket, 120 E. Valley. Comment
  UCR153948  Brassica tournefortii A. C. Sanders 2005-5-11 30203 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  CAS-BOT-BC100403  Brickellia californica Ernest C. Twisselmann 1961-10-31 6676 Los Angeles Pine Canyon at Pine Canyon Guard Station 1066 Comment
  OBI69359  Brickellia californica John Knapp, Denise Knapp 2002-11-27 24 Los Angeles Santa Catalina Island 76 Comment
  POM351112  Brickellia californica Wm. Martin 1971-8-25 s.n. Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  RSA705570  Brickellia californica Gary D. Wallace, M. Wallace 1985-3-2 2175 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  POM351183  Brickellia incana Anstruther Davidson s.n. Los Angeles Catalina [Island] Comment
  SBBG66092  Brickellia microphylla R. Hoffmann 1928-11-11 Los Angeles Little Rock Dam Comment
  RSA481990  Brickellia nevinii Richard Noyes 1988-9-18 739 Los Angeles Behind San Antonio Dam 701 Comment
  LA201501  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2003-4-25 4855 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA385302  Bromus carinatus H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  SBBG128787  Bromus carinatus M. L. Hoefs 1995-6-21 2297 Los Angeles Upper Bullrush Cyn 286 Comment
  CAS-BOT-BC149193  Bromus carinatus var. carinatus F. R. Fosberg; J. Ewan 1931-8-10 4905 Los Angeles San Gabriel Mountains. Crystal Lake, West Fork San Gabriel River. 1615 Comment
  RSA230042  Bromus carinatus var. carinatus R. F. Thorne 1971-6-26 40600 Los Angeles Summit of Mt. Wilson 1738 Comment
  SEINET943635  Bromus carinatus var. carinatus Louis C. Wheeler 1970-1 s.n. Los Angeles Los Angeles, Lyon and Vignes St. Comment
  CDA31588  Bromus catharticus T. C. Fuller 1958-8-6 2201 Los Angeles 9 miles west of Lancaster 0 Comment
  RSA527801  Bromus catharticus Timothy S. Ross, Annette Ross 1991-6-3 5546 Los Angeles Elephant Hill : west Pomona. 274 Comment
  RSA603768  Bromus catharticus L. C. Wheeler 1936-4-10 4085 Los Angeles 2 miles NE La Verne. 381 Comment
  SEINET3921948  Bromus catharticus L. M. Prince, J. Dolan 2002-3-29 02 -299 Los Angeles Claremont. Rancho Santa Ana Botanic Garden.; 0 400 Comment
  RSA0108916  Bromus diandrus R. G. Swinney 2011-3-26 14220 Los Angeles San Gabriel Mountains: San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 476 Comment
  RSA221558  Bromus diandrus Arthur C. Gibson 1971-4-16 1846 Los Angeles Near mouth of Stoddard Canyon, Angeles National Forest [San Gabriel Mountains] 738 Comment
  SBBG31465  Bromus diandrus R. F. Thorne 1966-4-4 35785 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  SD31218  Bromus diandrus Edith A. Purer 1931-4-3 1767 Los Angeles Palos Verdes Hills on hillsides Comment
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Jul 11 2010
  UCR258875  Bromus diandrus R. G. Swinney 2010-4-23 12331 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  RSA91369  Bromus diandrus F. W. Peirson 1918-04 1559 Los Angeles Altadena. 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
  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
  RSA12267  Bromus hordeaceus C. B. Wolf 1934-4-11 5641 Los Angeles Bryant Ranch. E. of Long Beach. 2 Comment
  RSA592296  Bromus hordeaceus L. C. Wheeler 1967-5-13 9545 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  RSA650445  Bromus hordeaceus Vance Langford 1948-3-29 s.n. Los Angeles Corner of Olive Ave. and Kenneth road, Burbank. Comment
  UC905482  Bromus laevipes F. R. Fosberg 1931-4-7 S 4501 Los Angeles Santa Catalina Island, Hamilton Beach Hamilton Beach; Santa Catalina Island, Hamilton Beach 10 Comment
  RSA593440  Bromus madritensis subsp. madritensis Steve Boyd, Mike Wall 1996-5-16 8794 Los Angeles Liebre Mountains, Ruby Canyon lower northerly slope of Red Mountain, upstream from confluence with Elizabeth Lake Canyon along Ruby Canyon Road ca. 2.6 mi E of jtn with Lake Hughes Road. 747 Comment
  UCSB69294  Bromus madritensis subsp. rubens Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns; ridgeline to Mt. Emma and canyon S of this ridge; W from Mt Emma; E of Mt. Emma Rd. 1412 Comment
  LA13818  Bromus madritensis subsp. rubens Carl Epling; April 1931 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA0077088  Bromus rubens R. G. Swinney 2010-4-15 12229 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR223466  Bromus tectorum R. G. Swinney 2009-5-28 10923 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  RSA0019985  Bromus tectorum F. W. Peirson 1922-7-5 5363 Los Angeles Big Pines Camp, north side of San Gabriel Mountains 2104 Comment
  LA201646  Buddleja saligna Arthur C. Gibson; 2003-12-27 5007 Los Angeles SANTA MONICA MOUNTAINS, Schleuren Road at mile marker 0.24, near junction of Stunt and Saddle Peak roads. Comment
  LA6442  Calocedrus decurrens Carl Epling; October 1926 sn Los Angeles San Gabriel Mountains, Manker Flats [near Mt Baldy] Comment
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Nov 6 2014
  RSA352850  Calocedrus decurrens B. C. Templeton 1932-5-31 4897 Los Angeles Big Pines Park; San Gabriel Mts. 2088 Comment
  SEINET7063484  Calochortus A. G. Vestal 1947-4-2 s.n. Los Angeles Puenta-Brea Canyon Road. Puenta Hills. UTM Zone 11, 415263mE, 3762506mN. (WGS84/NAD83). 126 Comment
  RSA377303  Calochortus catalinae Louis C. Wheeler 1932-5-7 686 Los Angeles U.C.L.A. Campus West of Los Angeles. 137 Comment
  UC910077  Calochortus catalinae I. W. Clokey and E. G. Anderson 1935-5-9 6545 Los Angeles Puddingstone Dam Comment
  SBBG110996  Calochortus clavatus A. Parikh, N. Gale 1998-5-28 LA- 4 Los Angeles N of Triunfo Cyn Rd, near intersection with Kanan Rd, S of Agoura Hills 270 Comment
  RSA0020301  Calochortus clavatus var. gracilis Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5093 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA753866  Calochortus clavatus var. gracilis Frank Landis 2009-4-20 FCL- 2009 -20 Los Angeles Disturbed vegetation around base of electrical tower, NE of Corral Sunshine Mtwy. 777 Comment
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Aug 27 2012
  RSA646952  Calochortus invenustus Orlando Mistretta 1993-6-28 896 Los Angeles San Gabriel Mtns: Angeles National Forest. Table Mtn; Sunrise ski area. Comment
  UCR189388  Calochortus kennedyi R. G. Swinney 1998-6-12 6185 Los Angeles San Gabriel Mountains, SW of Pinon Hills, 0.3 mi. south of mouth of Mescal Canyon and reservoir 1500 Comment
  RSA68650  Calochortus kennedyi var. kennedyi Frank W. Peirson 1923-5-26 4099 Los Angeles Rock Creek, north slope of San Gabriel Mts., 1524 Comment
  POM246474  Calochortus splendens F. R. Fosberg 1931-5-7 S- 4844 Los Angeles Sweetwater Canyon, Santa Catalina Island. 160 Comment
  UCR155354  Calochortus splendens A. C. Sanders 2005-5-5 29871 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon on the ridge above and west of the community of Mint Canyon 549 Comment
  POM302273  Calycadenia tenella Lyman Benson 1957-5-23 15730 Los Angeles Webb School, above Claremont 487 Comment
  SBBG121831  Calyptridium monandrum A. Parikh, N. Gale 2005-6-16 783 Los Angeles Portal Ridge, 0.6 km NW of intersection of N2/Johnson Rd, 1.4 km SE of intersection of N2/Munz Ranch Rd 1020 Comment
  UC1136684  Calyptridium monandrum Jerome S. Horton 1936-5-4 318 Los Angeles divide between North Fork and West Fork (San-Dimas Watershed, San Dimas Canyon, West Fork Road); San Dimas Experimental Forest, San Dimas Canyon, West Fork R 762 Comment
  UCR280685  Calystegia macrostegia R. G. Swinney 2014-5-27 16673 Los Angeles San Gabriel Mountains, Glendora, ridge between east and north forks of Hook Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. debris basin 445 Comment
  UCR97797  Calystegia macrostegia Scott D. White 1997-3-12 4765 Los Angeles Western Transverse Range; Santa Monica Mtns., NW of Zuma Beach. Encinal Canyon Road between Pacific Coast Highway & Mulholland Highway 610 Comment
  SD52944  Calystegia macrostegia Peter H. Raven 1962-4-9 17143 Los Angeles San Clemente Island; grassy slopes near barracks, Wilson Cove. 60 Comment
  CAS-BOT-BC224317  Calystegia macrostegia subsp. amplissima E. R. Blakley 1962-6-10 5253 Los Angeles Near Wall #2, San Clemente Island 9 Comment
  LA94887  Calystegia macrostegia subsp. cyclostegia K. Larson; J. Neel 1950-4-29 2. 2 Los Angeles Highway No. 6, 21 miles east of intersection with Highway No. 99 Comment
  RSA729451  Calystegia occidentalis subsp. fulcrata R. G. Swinney 1998-7-8 6311 Los Angeles San Gabriel Mtns.: N of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  RSA596025  Calystegia peirsonii T. S. Ross, J. Mark Porter 1995-5-4 8447 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA0008258  Calystegia sepium subsp. limnophila Anstruther Davidson 1902-05 1892 Los Angeles Riviera [Pico Rivera]. Comment
  RSA530923  Camelina microcarpa Rochnell 1920-05 s.n. Los Angeles Glendale. Comment
  SEINET4044557  Camissonia californica D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  RSA0016976  Camissonia campestris subsp. campestris E. R. 1934-3-28 s.n. Los Angeles West end of Antelope Valley. Comment
  RSA448979  Camissonia hirtella Unspecified 1915-8-1 1931 Los Angeles Camp Baldy, San Gabriel Mts. So. Calif. Comment
  UCR127170  Camissonia hirtella A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26136 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
  UCR271661  Camissonia hirtella R. G. Swinney 2011-5-31 14927 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
  RSA449009  Camissonia ignota Anstruther Davidson 1906-4-9 s.n. Los Angeles Griffith Park. Comment
  RSA630364  Camissonia intermedia Louis C. Wheeler 1973-4-8 s.n. Los Angeles Kagel Canyon. 602 Comment
  POM49677  Camissonia lewisii L. R. Abrams 1901-4-1 1192 Los Angeles Ballona Harbor. Comment
  POM3225  Camissonia micrantha D. L. Crawford 1915-7-6 s.n. Los Angeles Claremont. Comment
  RSA239482  Camissonia micrantha M. A. Piehl 1962-6-10 62387 Los Angeles San Clemente Island: canyon E. of Thirst. 305 Comment
  UCR131401  Camissonia micrantha Alison Lipman 1998-5-28 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  UCR222792  Camissonia pallida R. G. Swinney 2009-5-12 10745 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
  RSA713733  Camissonia pallida subsp. pallida LeRoy Gross 2005-4-28 2144 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA0106730  Camissonia strigulosa R. G. Swinney 2011-6-23 15288 Los Angeles San Gabriel Mountains: Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station. 1570 Comment
  UCR273551  Camissonia strigulosa R. G. Swinney 2011-5-10 14659 Los Angeles San Gabriel Mountains, Los Pinetos Canyon, east end of Placerita Cyn. Natural Area at Walker Ranch 573 Comment
  LA46660  Camissoniopsis bistorta H. L. Wedberg; 1957-4-6 sn Los Angeles 0 Comment
  UC635406  Camissoniopsis bistorta Margaret Stason 1927-3-13 Los Angeles arroyo Pasadena Comment
  UCD103459  Camissoniopsis bistorta Daryl Koutnik 1978-4-14 359 Los Angeles Simi Hills at W end of Devonshire Blvd. 365 Comment
  CAS-BOT-BC160441  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1957-3-24 9 Los Angeles On the beach at intersection of Birdview Drive x Westward Beach Road, Point Dume Comment
  LA82393  Camissoniopsis cheiranthifolia subsp. suffruticosa O. H. Kappler; 1941-2-27 92 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  UCSB45374  Camissoniopsis cheiranthifolia subsp. suffruticosa Connor, Mike 1977-6-4 Los Angeles Waterview St., Playa del Rey 30 Comment
  CAS-BOT-BC160517  Camissoniopsis guadalupensis subsp. clementina Peter H. Raven 1962-4-11 17284 Los Angeles San Clemente Island. On coast north of a point due west of Wall 2 30 Comment
  RSA802574  Camissoniopsis hirtella Orlando Mistretta, Christine Mistretta 2011-7-6 5916 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UC447177  Camissoniopsis hirtella J. Ewan 1931-3-21 4068 Los Angeles 1/4 mi below summit Saddle Peak; Santa Monica Mts. 731 Comment
  SDSU3381  Camissoniopsis lewisii H. Wedberg 1958-5-1 273 Los Angeles At edge of grassy field next to sand dune, about 1/4 mile east of Killgore Street, Playa del Rey. Comment
  RSA0112769  Camissoniopsis micrantha R. G. Swinney 2011-3-29 14242 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
  RSA785491  Cardamine californica Doris Bowers 1957-2-3 153 Los Angeles Dalton Canyon above Glendora 610 Comment
  UC56684  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco Comment
  POM222249  Cardamine oligosperma L. C. Wheeler 1936-4-5 4083 Los Angeles San Dimas Canyon, San Gabriel Mts 670 Comment
  RSA646996  Cardamine oligosperma LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 183 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway., N 34 deg 11' 12.2'' W 118 deg 12' 39.0''. 487 Comment
  RSA729707  Carex alma R. G. Swinney 1998-7-28 6514 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. 1366 Comment
  RSA547423  Carex alma Timothy S. Ross 1992-5-17 6348 Los Angeles San Gabriel Mountains: E Fork of the San Gabriel River, just NE of Heaton Flat; 25 degrees NNE, 885m distant from East Fork Station 695 Comment
  RSA750461  Carex fracta R. G. Swinney 2001-9-15 8179 Los Angeles Little Jimmy Spring 2256 Comment
  UC212800  Carex hassei I. M. Johnston 1917-7-28 1413 Los Angeles N. Fk. San Antonio Canyon San Antonio Mountains 2438 Comment
  CAS-BOT-BC118421  Carex praegracilis Ivan Murray Johnston 1917-6-14 1272 Los Angeles West of Pomona, wet ground along creek. Comment
  RSA729428  Carex subfusca R. G. Swinney 1998-7-14 6427 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  JEPS48987  Carex subfusca Joseph Ewan 1932-6-15 7342 Los Angeles Horse Flats San Gabriel Mts., Pinyon Flat region, Horse Flats Comment
  CAS-BOT-BC115672  Carex triquetra George B. Grant 1901-4-1 3807 Los Angeles Pasadena Comment
  UCR45036  Carpobrotus chilensis A. C. Sanders 1986-7-30 6815 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
  RSA158264  Carpobrotus edulis P. H. Raven 1962-7-12 18045 Los Angeles Barracks Area. Wilson Cove, San Clemente Island 76 Comment
  LA211141  Carthamus lanatus Tarja Sagar; 2010-9-2 s.n. Los Angeles SANTA MONICA MOUNTAINS, Stunt Ranch, near buildings. Comment
  RSA425910  Castilleja affinis M. V. Hood 1945-5-1 2217 Los Angeles Tapia Park area, Santa Monica Mountains. 305 Comment
  UC57003  Castilleja affinis subsp. affinis Ernest Braunton 1902-3-30 144 Los Angeles Elysian Hills Comment
  RSA600352  Castilleja applegatei subsp. martinii Steve D. Boyd, Lauren Raz 1997-5-28 9887 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
  RSA702941  Castilleja applegatei subsp. martinii Scott D. White 2004-8-11 10714 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA402089  Castilleja exserta subsp. exserta Thekla Mohr 1917-03 3460 Los Angeles San Gabriel Mountains. Comment
  JEPS30530  Castilleja foliolosa Henry J. Thompson 1959-3-27 1880 Los Angeles 0.5 mi e Saddle Peak; Santa Monica Mountains 670 Comment
  JEPS8767  Castilleja foliolosa Frank W. Peirson 1918-5-19 208 Los Angeles Echo Mt. San Gabriel Mountains 762 Comment
  RSA660111  Castilleja foliolosa Orlando Mistretta 1992-6-12 573 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SBBG17967  Castilleja foliolosa E. R. Blakley 1963-4-9 5561 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  SD185310  Castilleja foliolosa Andy C. Sanders 2005-5-11 30173 Los Angeles Santa Clarita area, Plum Canyon along Plum Canyon Road. Between crest and vernalpool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 579 Comment
  RSA505072  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Forest, San Gabriel Mountains; Mendenhall Ridge road 1.3 miles S of Lightning Point Group Campground. Comment
  RSA0107377  Castilleja gleasoni Orlando Mistretta, Mark A. Elvin 1995-5-10 1707 C Los Angeles Bare Mountain Canyon, West Fork. 1159 Comment
  SEINET7063579  Castilleja minor A. G. Vestal 1947-4-8 s.n. Los Angeles Open bush country. Sierra Pelona Valley. Vasquez Rock County Park. UTM Zone 11, 377984mE, 3815639mN. (WGS84/NAD83). 698 Comment
  RSA646281  Castilleja minor subsp. spiralis Orlando Mistretta 1992-7-14 715 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  RSA586670  Castilleja plagiotoma Orlando Mistretta, Mark A. Elvin 1995-5-10 1708 Los Angeles Bare Mountain Canyon, West Fork. 1159 Comment
  UCR151233  Castilleja plagiotoma LeRoy Gross, Et al. 2003-5-13 848 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  CHSC83706  Caulanthus amplexicaulis John Dittes; Gina Hall 1990-7-19 270 Los Angeles Transverse Range; San Gabriel Mts., North of Kratka Ridge, ca. 1.7 air miles east of Cloudburst Summit, North of Angeles Crest Highway. Upslope of Burkhart Trail between Buckhorn Flat Campground and Cooper Canyon. 1889 Comment
  UC1595473  Caulanthus cooperi Tim Ross 1992-4-4 6090 Los Angeles Adobe Mtn Adobe Mtn Quad., sw Mojave Desert, Adobe Mountain 926 Comment
  CAS-BOT-BC38299  Caulanthus cooperi Timothy S. Ross 1991-4-27 4646 Los Angeles Mojave Desert. Fort Tejon Road, 0.1 mile west of its junction with highway 138 (& hiking +-S to SSW). 1203 Comment
  RSA428426  Caulanthus cooperi Grinnell 1921-4-3 15733 Los Angeles Santa Monica Mts, Pacoima Canyon Comment
  CAS-BOT-BC38466  Caulanthus coulteri Samuel B. Parish 1887-6-1 1971 Los Angeles Tejon Pass. Comment
  UCR95380  Caulanthus coulteri var. coulteri Steve Boyd 1996-4-25 8719 Los Angeles Liebre Mtns., SW flank of Liebre Mtn., along Forest Service Rd. 7N22, c. 1.1 mi east of jct w/ 7N23. 1280 Comment
  UCR117551  Ceanothus A. C. Sanders, D. Malueg, K. D. Jones 1999-11-20 23293 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- Mormon, Limekiln & Aliso Cyn watersheds 976 Comment
  OBI69263  Ceanothus arboreus John Knapp, Denise Knapp 2003-4-13 31 Los Angeles Catalina Island 141 Comment
  CAS-BOT-BC48758  Ceanothus crassifolius John Thomas Howell 1928-2-9 3325 Los Angeles on Trail between Sierra Madre and Santa Anita Canyon, San Gabriel Mts. Comment
  RSA792773  Ceanothus crassifolius Justin M. Wood 2009-3-24 393 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave. and Foothill Blvd. Old restoration site, east of old infirmary. 405 Comment
  UC1071004  Ceanothus crassifolius P. L. Johannsen 1934-2-2 276 Los Angeles San Fernando Pass Santa Susana quad Comment
  CAS-BOT-BC48876  Ceanothus cuneatus Henry J. Thompson 1959-3-22 1869 Los Angeles Lobo Canyon 1 mile west of Malibu Lake 274 Comment
  UCR223696  Ceanothus integerrimus R. G. Swinney 2009-6-24 11251 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  JEPS42404  Ceanothus leucodermis Frank W. Peirson 1920-9-14 2281 Los Angeles Coldwater Canyon San Gabriel Mts. (San Antonio Mts) Comment
  RSA190993  Ceanothus megacarpus var. insularis Robert F. Thorne, Doug Propst, R. Caroline, Reed Rollins 1967-3-18 36733 Los Angeles Santa Catalina Island. Salta Verde, approx. N of Salta Verde Pt. 366 Comment
  UCR130808  Ceanothus oliganthus Mark A. Elvin, Cathleen Weigand 2003-5-22 2904 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  CLARK-A1528-3896  Ceanothus oliganthus John C. Roos 1942-3-21 1097 Los Angeles San Gabriel Mountains Comment
  POM310390  Ceanothus oliganthus var. oliganthus Margaret Hardinge 1946-3-11 143 Los Angeles Big Dalton Canyon. 457 Comment
  RSA584055  Ceanothus oliganthus var. oliganthus Tim S. Ross, S. D. Boyd 1991-4-25 4602 Los Angeles San Gabriel Mountains: lower Graveyard Canyon (which joins the lower E Fk of the San Gabriel River at ca 1540 ft. elev.). 512 Comment
  RSA602342  Ceanothus oliganthus var. oliganthus Scott D. White 1997-5-8 5089 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  POM97161  Ceanothus oliganthus var. oliganthus P. A. Munz 1925-3-18 8920 Los Angeles Newhall Grade. Comment
  CAS-BOT-BC63347  Ceanothus spinosus LeRoy Abrams 1902-3-11 3115 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  RSA653765  Centaurea melitensis J. Bogdanoff-Lord 1989-5-21 23 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  UC206215  Centaurea melitensis Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA0069718  Centaurea melitensis Alexandria Cheung, Daniel Kasang, Sabrina Lawrence-Gomez, Miller Zou, Sarah Ratay 2011-7-1 10 Los Angeles Santa Catalina Island. Deer Valley Trail. 22 Comment
  POM48115  Centaurea repens R. W, Hodgson 1920-7-12 s.n. Los Angeles Artesia Comment
  CAS-BOT-BC288830  Centromadia parryi subsp. australis James I. McMurphy 1916-8-14 s.n. Los Angeles Los Angeles Comment
  RSA571274  Centrostegia thurberi Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8315 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  RSA659939  Centrostegia thurberi Orlando Mistretta 1992-5-18 359 Los Angeles Hunt Canyon shooting area. Angeles National Forest. Mt. Emma Road 2 miles W of Little Rock Dam. Comment
  CAS-BOT-BC388301  Cerastium glomeratum A. Davidson 1895-4-1 s.n. Los Angeles Los Angeles Comment
  RSA785584  Cerastium glomeratum Doris Bowers 1954-04 169 Los Angeles LaVerne College 305 Comment
  PASA1216  Cercocarpus betuloides Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  POM603  Cercocarpus betuloides Arthur M Cleghorn s.n. Los Angeles Claremont. 366 Comment
  UCR95533  Cercocarpus betuloides L. C. Wheeler 1967-5-2 9277 Los Angeles Liebre Mtns, N side foothills, c. 0.3 mi. west of Los Angeles Aqueduct, just south of San Clarito Hospital. 'Baker Ranch' on Los Angeles Co. firearms closure map 396 Comment
  RSA0049524  Cercocarpus betuloides J. C. Roos 1942-3-7 1104 Los Angeles Big Tujunga Canyon, San Gabriel Mtsn. Comment
  RSA653047  Cercocarpus betuloides var. betuloides A. C. Sanders, D. Malueg 1998-6-24 22072 Los Angeles San Gabriel Mtns.: ca. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  CATA1784  Cercocarpus betuloides var. blancheae Benjamin E. Carter, John Clark 2012-8-9 6962 Los Angeles Santa Catalina Island: Bulrush Canyon, between reservoirs and Salta Verde turnoff 270 Comment
  RSA213337  Cercocarpus betuloides var. blancheae Reid V. Moran 1941-3-13 703 Los Angeles Santa Catalina Island. Hermit Gulch, near creek. 50 Comment
  SBBG17985  Cercocarpus betuloides var. blancheae E. R. Blakley 1963-4-7 5534 Los Angeles Farnsworth Spring, NW of Avalon on the island rd 365 Comment
  HSC24914  Cercocarpus montanus var. glaber Gideon Brunn 1967-3-10 3 Los Angeles 19 mi. NEE of La Canada, 1 mi. S of Mt. Wilson Peak off Angeles Crest Hwy., San Gabriel Mtns. 1738 Comment
  CAS-BOT-BC279524  Chaenactis artemisiifolia Carl Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon Comment
  CHSC100187  Chaenactis artemisiifolia John Dittes 2006-6-4 1394 Los Angeles Western Transverse Range; Simi Hills; north of Santa Susana Road; ca. 2.4 air miles northwest of Chatsworth High School, ca. 1.1 air mile west of Topanga Blvd. ca. 0.7 air miles east x northeast of Santa Susana Pass. 403 Comment
  JEPS8890  Chaenactis artemisiifolia Samuel B. Parish 1887-6-1 1932 Los Angeles Glendale Comment
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Jun 18 2007
  POM351651  Chaenactis artemisiifolia L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  RSA0036980  Chaenactis artemisiifolia R. G. Swinney 2010-5-29 13399 Los Angeles San Gabriel Mountains: junction of W. Fork May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UCR271825  Chaenactis artemisiifolia R. G. Swinney 2010-3-24 12100 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR190025  Chaenactis glabriuscula R. G. Swinney 1998-6-12 6956 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
  POM351756  Chaenactis glabriuscula Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Rafael Hills, Pasadena Comment
  UCSB33231  Chaenactis glabriuscula Partsch, M. 1977-5-14 Los Angeles Along Boquet Canyon Road 2 mi. south of its junction with Elizabeth Lake Road 914 Comment
  POM49173  Chaenactis glabriuscula var. glabriuscula L. R. Abrams 1901-5-28 1676 Los Angeles Ballona Harbor Comment
  RSA0061127  Chaenactis glabriuscula var. glabriuscula LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6831 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  CAS-BOT-BC277516  Chaenactis glabriuscula var. lanosa G. B. Grant 1902-5-5 4932 Los Angeles Lincoln Park Comment
  SFV4941  Chaenactis santolinoides M. H. Grayum 1971-7-9 s. n. Los Angeles San Gabriel Mountains Dawson Summit, Angeles Crest Highway. 2409 Comment
  CAS-BOT-BC133209  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range; San Gabriel Mtns.: Alimony Ridge, junction of Alimony Ridge and Alimony Rdge Rd. and to 1/2 mi. NW up ridge 1463 Comment
  RSA0037299  Chaenactis stevioides R. G. Swinney 2010-5-11 12661 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
  CAS-BOT-BC279723  Chaenactis xantiana Timothy S. Ross; Victor W Steinmann 1995-5-8 8557 Los Angeles Liebre Mountains. Slopes between Leona Valley and Lost Valley 1182 Comment
  UCR149925  Chaenactis xantiana R. G. Swinney 1999-6-18 7307 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  POM306267  Chamaesyce maculata Henry J. Ramsey, Henry J. Ramsey 1937-8-12 1412 Los Angeles Altadena Comment
  RSA199048  Chamaesyce melanadenia W. M. Gauntt 1966-4-30 178 Los Angeles Glendora Mt. Ridge Road, 4 miles southwest of Y' to Mt. Baldy 915 Comment
  RSA600569  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1961-2-28 7802 Los Angeles Santa Monica Mountains. Griffith Park, Ferndell. Comment
  RSA589501  Chamaesyce serpens T. S. Ross 1995-5-19 8576 Los Angeles San Clemente Island. Wilson cove settlement, on SE side of Galley (Bldg 60103). 49 Comment
  RSA595426  Chamaesyce serpillifolia Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2398 Los Angeles By road, middle of Cape Canyon, Santa Catalina Island. 244 Comment
  UCSB3603  Chamaesyce serpyllifolia B., K. 1943-6-18 Los Angeles Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  CAS-BOT-BC70020  Cheilanthes covillei John H. Thomas 1967-3-22 7573 Los Angeles San Gabriel Mts., Angeles National Forest, Sulphur Springs, about 18 miles NE of center of Pasadena 1219 Comment
  RSA230193  Cheilanthes covillei R. F. Thorne 1969-7-2 38238 Los Angeles San Gabriel Mountains, Angeles National Forest: Charlton Flat burn (of 1954) 1601 Comment
  RSA586981  Cheilanthes covillei Orlando Mistretta 1992-5-8 315 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  SFV16787  Cheilanthes covillei J. D. Dilley 1997-2-1 s. n. Los Angeles San Gabriel Mountains Colby Canyon, on Angeles Crest Highway. 3 miles east of junction with Angeles Forest Highway. 1 mile up trail. 1067 Comment
  UCR179471  Chenopodium R. G. Swinney, Dave Larson 1996-8-7 5251 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  SBBG119394  Chenopodium album A. C. Sanders 2003-5-22 26808 Los Angeles boundary of Irwindale and Azusa, E of Irwindale Ave, S of Interstate 210 (which bisects pit) and N of Santa Fe Railroad, E of the San Gabriel River channel 171 Comment
  RSA591667  Chenopodium berlandieri L. C. Wheeler 1966-9-21 8889 Los Angeles East fork San Gabriel Canyon at Burro Canyon. 457 Comment
  UCR223270  Chenopodium berlandieri R. G. Swinney 2009-8-19 11454 Los Angeles Transverse Range; San Gabriel Mtns., confluence of Monrovia Canyon and Sawpit Canyon 366 Comment
  RSA573703  Chenopodium botrys T. S. Ross 1990-8-17 3153 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  UC483199  Chenopodium californicum L. R. Abrams and I. L. Wiggins 1931-7-6 355 Los Angeles vicinity of Mosquito Harbor San Clemente Island Comment
  RSA0088594  Chenopodium desiccatum R. G. Swinney 2010-5-11 12677 Los Angeles East of Acton, 0.3 miles south of Soledad Canyon Wash in Aliso Cyn., due west of jct. of Aliso Canyon Road and Shadow Canyon Rd. 872 Comment
  RSA423250  Chenopodium strictum var. glaucophyllum Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Crenshaw and Rodeo Blvd., Los Angeles. Comment
  UCR265608  Chondrilla juncea John L. Thompson 2015-6-25 s.n. Los Angeles Glendale, near Descanso Motorway Comment
  UCR212908  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert, Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave. H 727 Comment
  CAS-BOT-BC179029  Chorizanthe brevicornu var. brevicornu David D. Keck; Palmer Stockwell 1935-5-15 3303 Los Angeles 1 mi W of Llano, Victoville-Palmdale road Comment
  RSA65242  Chorizanthe procumbens F. W. Peirson 1920-4-26 4212 Los Angeles Santa Anita Wash, S base of San Gabriel Mts. 213 Comment
  CAS-BOT-BC244808  Chorizanthe staticoides LeRoy Abrams 1902-7-2 2637 Los Angeles Dry Hillsides, Sierra Madre. The New York Botanical Garden Exploration of Southern California Comment
  RSA616370  Chorizanthe staticoides Scott D. White, Pam De Vries 1998-4-20 6325 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  RSA708655  Chorizanthe staticoides Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1170 Los Angeles Ridgetop above McDonald Creek. 518 Comment
  UC153414  Chorizanthe staticoides Ernest Braunton 1901-5-19 Los Angeles foothills Santa Monica Mountains near Griffth Park (Western Ave.); foothills Santa Monica Mountains near Griffith Park Comment
  UCR127011  Chorizanthe staticoides A. C. Sanders, Mark A. Elvin 2003-6-18 26939 Los Angeles Santa Susana Mountains, along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch 854 Comment
  RSA582225  Chorizanthe staticoides subsp. staticoides Tim S. Ross, S. D. Boyd 1992-7-5 6609 Los Angeles Liebre Mts: Red Mountain: rocky summit area. 1201 Comment
  UCR209479  Chorizanthe watsonii R. G. Swinney 2008-6-17 9026 Los Angeles San Gabriel Mountains, 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  RSA716889  Chorizanthe xanti var. xanti LeRoy Gross 2006-6-19 2520 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  SBBG121873  Chorizanthe xanti var. xanti A. Parikh, N. Gale 2005-6-15 775 Los Angeles Portal Ridge, 1 km NW of intersection of N2/Johnson Rd, 1 km SE of intersection of N2/Munz Ranch Rd 1035 Comment
  CAS-BOT-BC32822  Chrysothamnus corymbosus Adolph Daniel Edward Elmer 1902-6-1 3668 Los Angeles Lancaster Comment
  SEINET11837890  Chrysothamnus nauseosus subsp. hololeucus C. V. Braun 1975-1 45 Los Angeles Portal Ridge near Leona Valley along State Rd N-2 Comment
  RSA789029  Chylismia claviformis J. Mark Porter, Laren Machen 2012-5-20 15169 Los Angeles San Gabriel Mountains, Along Highway 2 (Angeles Crest Highway) NE of Wrightwood, in lower Swarthout Canyon. 1639 Comment
  UCR255508  Cinnamomum camphora Dan S. Cooper 2014-6-26 614- 35 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, lower Brush Canyon 194 Comment
  CAS-BOT-BC280031  Cirsium mohavense Le Roy Abrams; E. A. McGregor No date on label 507 Los Angeles Lancaster 853 Comment
  JEPS59156  Cirsium occidentale var. californicum Frank W. Peirson 1921-6-15 2504 Los Angeles San Gabriel Mts., San Gabriel River 609 Comment
  POM352176  Cirsium occidentale var. californicum M. B. Dunkle 1931-4-22 2469 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA522432  Cirsium occidentale var. californicum Timothy S. Ross, Orlando Mistretta, Peter W. Fritsch 1990-7-10 4019 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  UCSB7235  Cirsium occidentale var. californicum Haller, Norman 1953-5-17 Los Angeles Topanga Canyon 1 1/2 miles North of Topanga Shopping Center, Santa Monica Mts. 320 Comment
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Jul 1 2011
  UCR258755  Cirsium occidentale var. coulteri R. G. Swinney 2010-5-25 12960 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UC1211148  Cirsium occidentale var. occidentale Huron H. Smith 1912-5-26 5004 Los Angeles Avalon Canyon Santa Catalina Island, Avalon Canyon 30 Comment
  POM293895  Cirsium occidentale var. occidentale Lyman Benson 1947-3-29 12286 Los Angeles Indian Hill, City of Claremont. 427 Comment
  RSA593489  Cirsium occidentale var. venustum Steve Boyd, Orlando Mistretta, Valerie L. Sosa 1996-6-12 8841 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  CATA3338  Cistanthe maritima Amy Catalano 2017-4-18 055 Los Angeles Santa Catalina Island: Hillside NNE of house #102 in Middle Ranch, about 120 meters from the house 260 Comment
  CAS-BOT-BC438748  Cistanthe monandra A. C. Sanders; D. Malueg; K. D. Jones 1998-6-22 21998 Los Angeles San Gabriel Mtns.: Soledad Pass area at N foot, ca. 5 mi. SW of Palmdale, along SCE Mesa-Vincent power line at pole 18-03, just S of Vincent Substation. 1000 Comment
  CAS-BOT-BC438749  Cistanthe monandra John Thomas Howell 1928-5-25 3820 Los Angeles Ridge Route to Bakersfield, 22 miles s. of Lebec 1280 Comment
  RSA33900  Cistus incanus Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA651384  Cistus ladanifer T. Strid 1972-4-24 s.n. Los Angeles Topanga Cny., L.A.S.C.A. Plot. 243 Comment
  SFV21727  Cistus ladanifer S. Kimball, M. Garrido 1999-5-2 78 Los Angeles San Gabriel Mountains Millard Canyon, on fire road by upper parking lot for trail to Mount Lowe. 700 Comment
  POM153236  Clarkia bottae C. L. Hitchcock 1928-4-21 59 Los Angeles Santa Monica Mountains: beside road leading to Ventura Hwy. 500 Comment
  RSA453469  Clarkia bottae Howard Mullins 1931-5-15 s.n. Los Angeles Griffith Park. 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
  SBBG60279  Clarkia bottae M. N. Ackley 1927-5-29 746 Los Angeles Mulholland Drive 457 Comment
  SBBG60291  Clarkia bottae M. N. Ackley -May-1922 743 Los Angeles Honolulu Acres 365 Comment
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Jun 16 2015
  UC373493  Clarkia bottae C. L. Hitchcock 1928-4-21 59 Los Angeles road leading to Ventura Highway; Santa Monica Mts. 500 Comment
  RSA247437  Clarkia bottae Jack Delaini, Barbara Shervanick 1974-5-23 215 Los Angeles Near base of E ridge of canyon near path by the stream. 488 Comment
  HSC83415  Clarkia cylindrica D. L. Koutnik, Vickie Dawes 1978-5-12 489 Los Angeles Decker Rd., N of Mulholland Hwy. 488 Comment
  LA105049  Clarkia cylindrica subsp. cylindrica Barry A. Prigge; 1988-7-3 8184 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA458848  Clarkia dudleyana G. R. Johnstone 1930-6-15 s.n. Los Angeles Indio Canyon near Ravenna 762 Comment
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Nov 8 2011
  RSA627098  Clarkia dudleyana Scott D. White 1998-6-10 6713 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  RSA658841  Clarkia dudleyana J. S. Burns 1992-5-11 28 Los Angeles 1.5 miles west on Rincon fireroad from east access; Angeles National Forest 762 Comment
  UCD15675  Clarkia dudleyana Anne B. Overturf 1989-5-28 17 Los Angeles Eaton Canyon. 365 Comment
  RSA670696  Clarkia elegans Bonnie C. Templeton 1947-5-21 6284 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  LA45510  Clarkia epilobioides W. O. Griesel; 1936-5-9 sn Los Angeles SANTA MONICA MOUNTAINS, near summit Decker Road. Comment
  CAS-BOT-BC163718  Clarkia purpurea subsp. quadrivulnera Ernest Braunton 1903-6-1 885 Los Angeles Glendale to Burbank Comment
  CATA528  Clarkia purpurea subsp. quadrivulnera Sara L. Crockett 1997-4-29 680 Los Angeles Santa Catalina Island: End of unnamed road, 0.4 mile beyond jct. with road leading to Bulrush Canyon/Salta Verde 451 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
  RSA448286  Clarkia purpurea subsp. quadrivulnera M. Bisbee 1917-5-1 s.n. Los Angeles Grassy hills, East end of Eagle Rock Valley Comment
  RSA724755  Clarkia purpurea subsp. quadrivulnera K. Dobry 1991-5-22 d- 669 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  SD41995  Clarkia unguiculata Darley F. Howe 1947-5-4 Los Angeles Mint Canyon Comment
  UCR260396  Clarkia unguiculata R. G. Swinney 2010-6-21 13280 Los Angeles San Gabriel Mountains, Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring 902 Comment
  RSA704359  Claytonia Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1928 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  SBBG131959  Claytonia parviflora S. A. Junak 2000-4-15 SCa 1213 Los Angeles ridgeline between 2 cyns (one on E side of rd, one on W side), 0.4 mi from Divide Rd, location of bird transect #1 457 Comment
  RSA0097615  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-4-28 14536 Los Angeles San Gabriel Mountains: north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 878 Comment
  UCR85807  Claytonia parviflora subsp. utahensis T. S. Ross, Steve Boyd, L. Arnseth 1991-4-29 4848 Los Angeles Parker Mountain, on the N and NE slopes 1220 Comment
  UCR192834  Claytonia perfoliata R. G. Swinney 1998-7-2 6262 Los Angeles San Gabriel Mtns., north of Table Mountain, Wrightwood area, 0.8 mi. NE of junction of roads 4N21B, 4N21A, and 4N21 2110 Comment
  RSA84410  Clematis lasiantha F. W. Peirson 51 Los Angeles Rubio Canyon, south base of San Gabriel Mountains. Comment
  RSA191015  Clematis ligusticifolia Robert F. Thorne 1963-7-11 32782 Los Angeles Foothill Woodland-Mixed Evergreen Forest near entrance to Upper Shake Campground, ca 3 miles W of Lake Hughes, Angeles National Forest. Comment
  SEINET12090138  Clematis ligusticifolia P. H. Raven, Thompson, H. J. 1960-1 s.n. Los Angeles Santa Monica Mts 610 Comment
  RSA138242  Cleome isomeris P. H. Raven 1959-3-15 13845 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  RSA177844  Cleome isomeris R. F. Thorne, Percy C. Everett 1965-5-11 34649 Los Angeles Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island 61 Comment
  UC314535  Cleomella obtusifolia Marcus E. Jones, A. M. 1924-9-14 Los Angeles Lancaster Comment
  POM355813  Cnicus benedictus Elbert Benjamine 1929-4-15 166 Los Angeles San Dimas Canyon, San Gabriel Mts. Comment
  RSA350660  Collinsia davidsonii Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  UCR138844  Collinsia heterophylla L. C. Wheeler 1967-5-18 9621 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA0035052  Collinsia heterophylla Harold L. Pirie 1963-5-21 s.n. Los Angeles Santa Monica Mts., on Robinson Rd. off Topanga Cyn. Rd. 274 Comment
  RSA408264  Collinsia heterophylla Gale Sphon 1959-4-10 312 Los Angeles Mulholland Drive. Comment
  RSA579472  Collinsia heterophylla var. austromontana Tim S. Ross, Steve D. Boyd 1994-5-10 7725 Los Angeles Warm Springs Mountain: at the confluence of a blueline drainage NNE off the face of Warm Springs Mtn; ca 1250 m WNW from the canyon's effluence into Elizabeth Lake Canyon 668 Comment
  UCR263274  Collinsia parryi Anuja Parikh, Nathan Gale 2012-5-2 6583 Los Angeles Transverse Range: San Gabriel Mountains, West Fork San Gabriel River, 1.0 km east of Cogswell Reservoir 643 Comment
  RSA0117352  Collinsia parryi Louis C. Wheeler 1968-5-15 s.n. Los Angeles San Antonio Canyon, north side of ridge north of Cascade Canyon. 1189 Comment
  UC885564  Collinsia torreyi var. brevicarinata Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp; San Gabriel Mtns Comment
  UCR182713  Commelina benghalensis R. G. Swinney 1998-2-16 5894 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  UC90236  Constancea nevinii T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  RSA0099310  Convolvulus althaeoides J. C. Roos 1950-5-9 4793 Los Angeles Behind 717 and 719 Echandia Street, Los Angeles. 91 Comment
  RSA394791  Convolvulus arvensis Robert Gustafson 1980-8-29 1886 Los Angeles Ballona Wetlands, Area 3. Comment
  CATA1749  Convolvulus simulans Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3177 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  RSA394859  Convolvulus simulans Anstruther Davidson 1914-5-1 2964 Los Angeles near Point Fermin Comment
  CAS-BOT-BC285956  Conyza bonariensis Geo. B. Grant 1906-8-7 7157 Los Angeles Pasadena Comment
  RSA608718  Conyza bonariensis var. bonariensis F. R. Fosberg 1931-4-5 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UCD123100  Cordylanthus rigidus subsp. setiger R. N. Raynor 1938-6-1 s.n. Los Angeles between Little Rock and Cajon Desert. 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
  UCR281174  Coreopsis bigelovii R. G. Swinney 2014-4-23 16156 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UCD130997  Coreopsis californica Daryl Koutnik; Vickie Dawes 1978-4-6 263 Los Angeles south of Palmdale on State Highway 138 to Little Rock. 816 Comment
  RSA178081  Coreopsis californica R. F. Thorne 1963-5-15 31664 Los Angeles San Gabriel Mountains region: 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  SEINET807418  Coreopsis californica Rimo Bacigalupi 1955-1 4818 Los Angeles 1 mile northwest of Edwards Air Force Base (Muroc Lake) 685 Comment
  RSA526073  Coreopsis gigantea Steve Boyd, Timothy S. Ross, Peter W. Fritsch 1990-4-6 4172 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called 'Jack'. 152 Comment
  UCR127885  Coreopsis tinctoria Mark A. Elvin, Kim Marsden 2003-8-8 2972 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River, c. 100 m east of the Ventura Co. line 290 Comment
  RSA653525  Corethrogyne filaginifolia var. filaginifolia LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 287 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. 915 Comment
  UC875866  Cornus glabrata Carl B. Wolf 1932-10-4 4221 Los Angeles 200 ft above forks L. Fork Hamilton Canyon; Santa catalina Isl., L. Fork Hamilton Canyon 121 Comment
  UC1348915  Cornus sericea subsp. sericea Robert F. Thorne and John Olmsted 1965-8-26 35422 Los Angeles woods along Prairie Fork; San Gabriel Mts., Angeles Nat'l forest, Prairie Fork 1584 Comment
  CHSC106434  Cotoneaster lacteus P. F. Zika; Nick Otting 2010-8-7 25305 Los Angeles South Coast (Sco). Base of San Gabriel Canyon, E side of Route 39, base of steep loose slope, margins of seep. 250 Comment
  RSA654322  Cotula australis Kristina Sargeant 1992-5-20 92 -031 Los Angeles Cal Poly Pomona campus, disturbed area by parking lot behind Administration Building. Comment
  UCR231154  Crassula connata R. F. Thorne, James Henrickson 1963-5-5 32307 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills, Cobal Canyon, 4 miles north of Claremont 518 Comment
  RSA423441  Crassula connata var. erectoides L. C. Wheeler 1932-3-9 471 Los Angeles U.C.L.A. Campus, West Los Angeles 137 Comment
  UC56359  Crassula connata var. subsimplex Ernest Braunton 1903-1-15 803 Los Angeles Glendora Comment
  UCR93328  Cressa truxillensis Scott D. White 1996-5-15 4037 Los Angeles Southern Coastal region, Marina Del Rey Area; Ballona Creek floodplain W of Lincoln Blvd. & south of Jefferson Blvd. 3 Comment
  RSA579224  Crossosoma californicum T. S. Ross 1994-3-28 7411 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  UC1311644  Crossosoma californicum Robert J. Rodin 1953-5-2 5815 Los Angeles just s White's Cove; Catalina Island Comment
  UC1349030  Crossosoma californicum Robert F. Thorne and P. Everett 1965-5-10 34471 Los Angeles upper end of White's Landing Rd. Santa Catalina Island, Black Jack Mt. (n slope of mt.) 411 Comment
  RSA498614  Croton californicus T. H. J. 1931-07 s.n. Los Angeles El Segundo. Comment
  SBBG133114  Croton setiger B. C. Templeton 1967-7-18 10084 Los Angeles Little Tujunga Cyn at Marek Cyn 381 Comment
  CAS-BOT-BC190123  Crypsis schoenoides Peter H. Raven 1961-9-24 16750 Los Angeles On strand of Bouquet Reservoir at east end. 914 Comment
  RSA482381  Crypsis schoenoides Richard Noyes 1988-8-24 633 Los Angeles Claremont. Intersection of Mills Ave. and Baseline Ave. Comment
  OBI28054  Cryptantha David J. Keil, Dirk Walters 1977-4-30 12291 Los Angeles On S side of Calif rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail Reservoir Comment
  UCR124691  Cryptantha affinis B. C. Templeton 1932-6-18 4931 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  UCR190393  Cryptantha barbigera R. G. Swinney 2001-4-18 7903 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, Bobs Gap near Lime Kiln ruins on east side of road 1244 Comment
  UCR205863  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCD40976  Cryptantha barbigera var. barbigera Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-4-14 1600 Los Angeles Antelope Valley Poppy Reserve. Comment
  RSA771548  Cryptantha circumscissa R. G. Swinney 2009-5-28 10956 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR190374  Cryptantha circumscissa R. G. Swinney 2001-6-16 7989 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  UCR205229  Cryptantha circumscissa R. G. Swinney 2008-5-2 8720 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  UCR263057  Cryptantha circumscissa Mitch Provance 2008-4-14 408- 10 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
  RSA0031372  Cryptantha clevelandii F. R. Fosberg 1932-5-7 10647 Los Angeles Santa Catalina Island, ridges S of Grand Canyon. Comment
  RSA0094689  Cryptantha clevelandii E. A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills. Comment
  UCD119640  Cryptantha clevelandii Robert F. Thorne; M. Z. Thorne 1973-2-12 42470 Los Angeles Santa Catalina Island, north of Marine Science Station at Fisherman's Cove. 45 Comment
  POM246606  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 4350 Los Angeles Hamiltons Canyon, Santa Catalina Island 30 Comment
  RSA774595  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5293 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
  RSA756899  Cryptantha echinella R. G. Swinney 2008-6-17 9029 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway 1992 Comment
  UC218198  Cryptantha echinella P. A. Munz 1922-7-18 6076 Los Angeles e of Ontario Peak; San Gabriel Mts. 2560 Comment
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Dec 16 2014
  LA94301  Cryptantha intermedia Elizabeth Levine; sn Los Angeles Santa Monica Mountains, Point Dume 12 Comment
  POM368247  Cryptantha intermedia Jack Rempel 1932-4-24 15250 Los Angeles El Segundo. Comment
  RSA187719  Cryptantha intermedia R. F. Thorne 1966-4-6 35888 Los Angeles Santa Catalina Island. Between White and Moonstone Coves 15 Comment
  SBBG63827  Cryptantha intermedia R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment
  SD66886  Cryptantha intermedia R. Mitchel Beauchamp 1967-3-18 280 Los Angeles San Clemente Island: Canyon below Lemon Tank Comment
  SFV22029  Cryptantha intermedia V. Soza, I. E. Anderson, L. Gross 2000-6-6 978 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. North of Chandler Fire Road (Verdugo Mountainway), north of O' La Tuna, above Chandler and Fisher Canyons, south of La Tuna Canyon. West-facing ridgetop. 457 Comment
  UCR270968  Cryptantha intermedia R. G. Swinney 2011-4-28 14528 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
  RSA499644  Cryptantha micrantha Anstruther Davidson 1892-04 s.n. Los Angeles Los Angeles. El Monte. Comment
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Oct 3 2010
  RSA775520  Cryptantha micrantha Orlando Mistretta, Christine Mistretta 2010-5-22 5181 Los Angeles Upper Aliso Cyn, about 1.5 miles north of Mill Creek summit. 1311 Comment
  LA31589  Cryptantha microstachys Henry J. Thompson; 1959-5-24 sn Los Angeles Santa Monica Mountains, Tuna Canyon, 1.9 mi N of Pacific Coast Hwy on Tuna Canyon Rd 335 Comment
  SDSU21065  Cryptantha microstachys Ian Cain, Natasha Bartely 2010-6-21 1531 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  RSA499702  Cryptantha muricata Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  UCR270455  Cryptantha muricata R. G. Swinney 2011-5-12 14663 Los Angeles San Gabriel Mountains, east side of Cabin Canyon, c. 200 m north of canyon mouth, west of Aliso Canyon Road, 0.5 mi west of Angeles Forest Hwy 1183 Comment
  RSA0078881  Cryptantha muricata var. denticulata R. G. Swinney 1999-7-5 7533 Los Angeles San Gabriel Mtns.: Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines highway at a point 0.5 mi. west of junction of Hwy 2. 1866 Comment
  UCR271972  Cryptantha muricata var. denticulata R. G. Swinney 2011-5-31 14907 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
  UCR273293  Cryptantha muricata var. denticulata R. G. Swinney 2011-10-18 15842 Los Angeles San Gabriel Mountains, 100 m NE of Switzer Picnic Area, in Colby Cyn. near confluence w/ Arroyo Seco, c. 0.15 km south of Angeles Crest Hwy/SR 2 1021 Comment
  RSA0092533  Cryptantha muricata var. jonesii R. G. Swinney 2011-6-22 15247 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
  UCR93295  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1994-5-25 7941 Los Angeles Liebre Mtns., Necktie Basin: Hanging basin c. 470-830 m west of Warm Springs Mtn. summit, c. 600-800 m WSW of summit 1076 Comment
  RSA0079549  Cryptantha muricata var. muricata T. S. Ross, Steve D. Boyd 1990-6-18 3512 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  UCR259198  Cryptantha nevadensis var. rigida Mitch Provance, Callen Huff 2009-4-29 10699 Los Angeles Tehachapi Mountains, Tejon Ranch, south of Lebec, lower slopes above Interstate 5, about 0.7 miles east of Gorman; site PO1088/1090 1230 Comment
  RSA758244  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-16 2466 Los Angeles San Gabriel Mountains region: Southern California transmission line tower (Segment 6, structure 23 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1142 Comment
  UC1870151  Cryptantha oxygona LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 938 Los Angeles Transverse Ranges; San Gabriel Mountains region: Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campground turnoff. UTM Zone; 380347N, 0405764E 1792 Comment
  RSA0091359  Cryptantha pterocarya var. pterocarya R. G. Swinney 2011-4-1 14289 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  RSA713091  Cryptantha similis LeRoy Gross 2005-5-3 2232 Los Angeles West terminus of Holcomb Ridge, west of Big Rock Creek. General collecting along the east, northeast side of hill. North of Fort Tejon Road, west of Valyermo Road., Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA669715  Cupressus arizonica LeRoy Gross 2002-2-2 471 Los Angeles North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. ( grown back and gone back to nature, but shown on The Thomas Guide, street guide and director 625 Comment
  RSA703237  Cupressus arizonica subsp. arizonica Scott D. White 2004-7-27 10645 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  CAS-BOT-BC224480  Cuscuta californica I. M. Johnston 1917-8-22 1686 Los Angeles San Antonio Mountains. Pine Mt. 2438 Comment
  LA51396  Cuscuta californica Peter H. Raven; 1960-5-21 15401 Los Angeles Santa Monica Mountains, Cornell Corners 243 Comment
  POM156517  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. Comment
  POM3544  Cuscuta californica P. A. Munz 1918-5-19 2267 Los Angeles Pomona. Comment
  RSA0081772  Cuscuta californica R. G. Swinney 2010-6-23 13323 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA409725  Cuscuta californica John P. Hill 1929-3-15 s.n. Los Angeles Verdugo Woodlands Comment
  LA105115  Cuscuta californica Barry A. Prigge; 1988-6-9 8625 Los Angeles Santa Monica Mountains, 0.3 mi. SE of N-junction of Mulholland Hwy. and Old Topanga Rd., S. of Calabasas High School 405 Comment
  SD230211  Cuscuta californica var. californica Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: Ridge at head of South Fork Alder Gulch. 2133 Comment
  SD237412  Cuscuta campestris A. C. Sanders, Dan S. Cooper 2010-8-5 38533 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. Former oil field w/ gravel service road remnants. 24 Comment
  CDA39949  Cuscuta campestris Pomona (entomology) 1961-8-19 s.n. Los Angeles 0 Comment
  JEPS47096  Cuscuta denticulata K. Brandegee Los Angeles Ravenna Comment
  RSA550695  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5707 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  SBBG19166  Cuscuta occidentalis M. A. Piehl 1963-12-7 10557 Los Angeles across SE tip from Pyramid Head and opposite Triangulation Pt "Rock" 9 Comment
  CHSC95425  Cuscuta subinclusa LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 395 Los Angeles Los Angeles Basin: Verdugo Mountains Region: Northwest side, just north of Ledge Ave. and Tuxford St (dead end), west of McDonald Creek. City of Sun Valley. 274 Comment
  UCR124461  Cuscuta subinclusa I. W. Clokey, B. C. Templeton 1929-1 4590 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  RSA788543  Cyathea cooperi John R. Clark, T. Dvorak, Charlie de la Rosa, S. Ratay, T. M. Summers 2011-6-23 1020 Los Angeles Santa Catalina Island, Twin Rocks. 218 Comment
  RSA659159  Cyclospermum leptophyllum Patricia Kouo 1994-4-27 944217 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  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
  SBBG128066  Cynodon dactylon M. L. Hoefs, S. A. Junak 1996-7-9 2725 Los Angeles just below Middle Ranch Reservoir overflow, Middle Cyn 170 Comment
  UCR256578  Cynosurus echinatus Anuja Parikh, Nathan Gale 2011-7-7 3546 Los Angeles Transverse Range; San Gabriel Mountains, Barley Flats, 4.4 km west of Shortcut Station, 1.0 km north of State Hwy 2 (Angeles Crest Hwy) 1705 Comment
  SD130207  Cyperus difformis Dick Swinney 1989-6-25 Los Angeles San Gabriel Mountains; Big Dalton Dam Debris basin. Comment
  RSA776736  Cyperus eragrostis Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11678 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR168542  Cyperus erythrorhizos L. C. Wheeler 1932-9-19 1390 Los Angeles Los Angeles Basin, Los Angeles River at Los Feliz Blvd. 122 Comment
  IRVC28618  Cyperus involucratus A. C. Sanders, Mark Elvin 2002-6-20 25246 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  POM1345  Cyperus niger var. capitatus I. M. Johnston 1916-11-19 s.n. Los Angeles Claremont. 365 Comment
  RSA365111  Cyperus odoratus F. R. Fosberg 1930-10-12 S- 3945 Los Angeles Nigger Slough . [locality name change to Laguna Dominguez ] 20 Comment
  UCR272916  Cyperus odoratus Steven A. Junak 2000-10-12 SCa- 1409 Los Angeles Channel Islands, Santa Catalina Island, north side of Thompson Reservoir 195 Comment
  RSA657226  Cyperus odoratus Patricia Kouo 1994-4-27 944171 Los Angeles 3 miles south of I-10, and 1 mile northo f I-60. On the West side of Rosemead Blvd, at the most southern lake. Comment
  LA212329  Cyrtomium falcatum Jack Pepper; 1952-4-10 s.n. Los Angeles Cheviot Hills Comment
  UCR199870  Cytisus scoparius LeRoy Gross, Valentin Arvizu 2006-5-31 2471 Los Angeles San Gabriel Mountains, Forest Service Road surveys along Magic Mountain Road (4N46) east of Magic Mountain, but before FS Roads (3N17.7 & 3N17.6), along the Santa Clara ridge 1402 Comment
  CHSC98051  Cytisus striatus LeRoy Gross; Michael Denslow, Bill Hogshead, S. Swartzentruber 2003-6-17 1073 Los Angeles Transverse Ranges: Verdugo Mountains Region: North side of mountains. North of Hostetter Motorway (on the Thomas Guide) just off La Tuna Canyon Road, freeway cut (210 freeway) just east of La Tuna Canyon exit. 457 Comment
  RSA746541  Cytisus striatus A. C. Sanders, T. B. Salvato 2009-5-20 36864 Los Angeles San Gabriel Valley: Montebello Hills, under SCE powerlines NE of Plaza Dr., SE of Montebello Blvd. and SW of San Gabriel Blvd. 96 Comment
  RSA609755  Datura wrightii Louis C. Wheeler 1946-9-16 6370 d Los Angeles Garvey: Walnut Grove Avenue and Rush Street. Comment
  RSA470461B  Daucus pusillus Fay A. MacFadden 1931-4-4 s.n. Los Angeles Verdugo Hills; Tuna Canyon 335 Comment
  UCR129932  Daucus pusillus Orlando Mistretta 1994-6-6 1322 Los Angeles San Gabriel Mtns, Little Rock Creek. Slopes on E side of canyon south of the junction of Forest Service Roads 4N15 and 5N04.3 1311 Comment
  CAS-BOT-BC130945  Deinandra clementina Reid Moran 1941-5-5 827 Los Angeles Santa Barbara Island 200 Comment
  SD52901  Deinandra fasciculata Peter H. Raven 1962-7-10 17963 Los Angeles San Clemente Island; summit of island above Wilson Cove. 135 Comment
  UC55064  Deinandra fasciculata Ernest Braunton 1902-7-1 568 Los Angeles Los Angeles Comment
  CAS-BOT-BC299266  Deinandra fasciculata Tim Ross 1992-6-15 6590 Los Angeles Ridgetop between two un-named canyons that drain ENE toward Orange Grove Avenue in Hacienda Heights, Whitteier Hills (local name for the western extremity of the Puente Hills) 321 Comment
  CAS-BOT-BC299306  Deinandra fasciculata W. M. Heusi 1930-11-5 112 Los Angeles Above the Isthmus, Santa Catalina Island Comment
  UCR241699  Delosperma Dan S. Cooper 2012-9-6 912- 76 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  JEPS23371  Delphinium glaucum Joseph Andorfer Ewan 1936-8-9 10013 Los Angeles Guffy's Spring Blue Ridge (s side of ridge) 2560 Comment
  RSA233489  Delphinium parishii subsp. parishii Robert F. Thorne, C. W. Tilforth 1972-6-29 42075 Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
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Sep 3 2010
  UC56748  Delphinium parryi Avis Smith May 1899 1 Los Angeles Claremont 365 Comment
  UC854186  Delphinium parryi C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4751 Los Angeles hillside Bouquet Canyon 800 Comment
  CAS-BOT-BC116271  Delphinium parryi subsp. parryi J. Ewan 1930-5-30 2249 Los Angeles Santa Monica Mts. 304 Comment
  SBBG71788  Delphinium parryi subsp. purpureum R. Hoffmann 1929-5-21 Los Angeles Bouquet Cyn Comment
  RSA0005325  Delphinium parryi var. montanum P. A. Munz 1923-5-26 6846 Los Angeles head of Vincent Gulch. 2012 Comment
  POM149  Delphinium patens subsp. hepaticoideum I. M. Johnston 1917-5-6 1924 Los Angeles Evey Canyon, north of Claremont 762 Comment
  RSA127840  Delphinium patens subsp. hepaticoideum Peter H. Raven 1959-5-9 14171 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes rd. Malibu Creek drainage. 244 Comment
  RSA0098839  Delphinium patens subsp. montanum R. G. Swinney 2011-6-7 15047 Los Angeles San Gabriel Mountains: Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1573 Comment
  CATA285  Dendromecon harfordii Mark L. Hoefs 1973-5-21 299 Los Angeles Santa Catalina Island: Canyon above Renton Mine Road 304 Comment
  JEPS51679  Dendromecon rigida W. L. Jepson 1920-5-3 8931 Los Angeles mountain above Eastaic Creek (ridge route) 975 Comment
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May 12 2014
  UC855089  Dendromecon rigida I. W. Clokey and B. C. Templeton May, 1929 4488 Los Angeles Mandeville Canyon Santa Monica Mts. (ridge) 250 Comment
  RSA233593  Dendromecon rigida subsp. rhamnoides Robert F. Thorne 1970-3-5 39362 Los Angeles Santa Catalina Island. N slope of Blackjack Mountain. 457 Comment
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Jan 22 2018
  POM369375  Descurainia obtusa subsp. adenophora F. R. Fosberg 1931-8-11 S 5487 Los Angeles Crystal Lake, N. fork San Gabriel Canyon, San Gabriel Mts. 1600 Comment
  CATA2985  Descurainia pinnata Peter J. Dixon 2015-2-25 017 Los Angeles Santa Catalina Island: Wild Boar Gully, near ridge, 350m SW of Wild Boar Gully Rd. 247 Comment
  CATA3303  Descurainia pinnata Amy Catalano, Jen Dreizehn 2017-3-16 020 Los Angeles Santa Catalina Island: Near top of trail on slope leading from end of Rippers Cove Rd. to shore 14 Comment
  CLARK-A1528-4868  Descurainia pinnata John C. Roos 1937-3-9 1391 Los Angeles Claremont Comment
  CAS-BOT-BC43171  Descurainia pinnata subsp. brachycarpa Timothy S. Ross; Steve Boyd 1994-5-4 7629 Los Angeles Liebre Mountains. San Francisquito Canyon. Headwaters of the canyon, northeast of Green Valley. 1075 Comment
  SEINET12005373  Descurainia pinnata subsp. halictorum Unknown 1945-1 s.n. Los Angeles Pasadena Comment
  UC1349349  Descurainia pinnata subsp. menziesii Robert F. Thorne 1966-4-6 35921 Los Angeles w of Empire Landing (Santa Catalina Island); Santa Catalina Island 76 Comment
  CATA1098  Dichelostemma capitatum Mark L. Hoefs 1995-5-23 2052 Los Angeles Santa Catalina Island: Middle Canyon near junction of Middle Canyon Road and road to Camp Cactus 118 Comment
  SD231160  Dichelostemma capitatum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 21 Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along wash and roadside. 1444 Comment
  UC57505  Dichelostemma capitatum J. H. Barber 1897-3-21 81 Los Angeles near Soldier's Home Comment
  UCR100067  Dichelostemma capitatum R. G. Swinney 1969-5-4 409 -12 Los Angeles San Gabriel Mtns., Glendora Foothills. 0.6 mi north of Sierra Madre Ave. on N Pennsylvania Ave., Glendora 366 Comment
  CAS-BOT-BC499430  Dichelostemma capitatum Timothy S. Ross; Steve Boyd 1994-5-4 7674 Los Angeles Northeast summit of GRASS MOUNTAIN: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1389 Comment
  RSA584327  Dichelostemma capitatum subsp. capitatum Timothy S. Ross, Steve Boyd 1991-3-23 4251 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs, (destroyed by development) 926 Comment
  SD21220  Dichelostemma capitatum subsp. capitatum Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina. Comment
  RSA70157  Dichelostemma capitatum subsp. capitatum F. W. Peirson 1919-5-18 s.n. Los Angeles Hills east of Monrovia Canyon 457 Comment
  RSA583042  Dichondra occidentalis T. S. Ross 1993-4-22 6887 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); 1400m ESE of Cactus Peak Summit. 393 Comment
  SBBG53216  Dichondra occidentalis S. A. Junak with W. S. Davis 1978-4-16 SCa 46 Los Angeles ridge just W of Isthmus Cove Comment
  JEPS40715  Dieteria canescens var. canescens Frank W. Peirson 1923-8-30 4008 Los Angeles Mescal Creek San Gabriel Mountains (very head) Comment
  CAS-BOT-BC152905  Diplacus brevipes Ethel, Miss Graves 1900-4-1 s.n. Los Angeles Near Pasadena Comment
  CAS-BOT-BC152893  Diplacus brevipes Moxley 1914-5-30 221 Los Angeles San Rafael Hills Comment
  CAS-BOT-BC153053  Diplacus fremontii Ernest Braunton 1904-5-1 913 Los Angeles Glendale to Burbank Comment
  CAS-BOT-BC150637  Diplacus longiflorus LeRoy Abrams 1902-6-15 2543 Los Angeles Sepulveda Canyon, Santa Monica Mountains Comment
  PASA101  Diplacus longiflorus Loletta Hiebert Los Angeles Arroyo Seco Comment
  SBBG132006  Diplacus parviflorus S. A. Junak, B. Collins 1991-4-25 SCI 227 Los Angeles head of S fork of Burns Cyn, just S of field station 432 Comment
  CAS-BOT-BC150845  Diplacus puniceus Carl B. Wolf 1941-6-25 10894 Los Angeles Santa Catalina Island. Head of Avalon Canyon, below the Wrigley Mauseoleum 121 Comment
  SEINET6056830  Diplotaxis tenuifolia Unknown 1946-11-11 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA609535  Distichlis spicata L. C. Wheeler 1970-9-5 s.n. Los Angeles Venice: 300 E. Venice Blvd. at Alberto Ave. Comment
  LA200776  Dodecatheon clevelandii Jonathan Sauer; Robin Smith-Cox 1981-2-22 6125 Los Angeles 91 Comment
  UC440365  Dodecatheon clevelandii subsp. clevelandii Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon (Southern California) Comment
  SD112013  Dodecatheon clevelandii subsp. insulare Betsy Carpenter, Linda Allen 1975-3-20 Los Angeles Santa Catalina Island; canyon above Pebbly Beach Comment
  RSA461368  Dodecatheon clevelandii subsp. sanctarum Ora M. Clark 1929-3-24 1773 Los Angeles S. Santa Susana Mtns. Comment
  UCR208159  Dodecatheon clevelandii subsp. sanctarum B. C. Templeton 1968-5-5 11421 Los Angeles Transverse Ranges; Santa Monica Mountains, hills north of Malibu Lake 244 Comment
  RSA729522  Drymocallis glandulosa var. glandulosa R. G. Swinney 1999-7-5 7536 Los Angeles San Gabriel Mountains, upper Cedar Canyon, about 0.5 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction with Hwy 2 1915 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
  UC212611  Drymocallis lactea var. lactea I. M. Johnston 1917-8-22 Los Angeles Prairie Fork San Antonio Mountains, Prairie Fork 2133 Comment
  RSA0013632  Dryopteris arguta Orlando Mistretta, Jamie Reese 2011-7-28 6008 Los Angeles Along Rincon Red Box Road, on the divide between W Fork San Gabriel River Cyn and E fork Santa Anita Cyn, 0.75 air miles NW of Monrovia Peak. 1451 Comment
  UCR108652  Dryopteris arguta L. C. Wheeler 1967-5-18 9626 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  UCR208067  Dryopteris arguta M. B. Dunkle 1928-5-13 1948 Los Angeles Channel Islands, Santa Catalina Island, Eagle's Nest 180 Comment
  RSA670383  Dryopteris arguta I. W. Clokey, B. C. Templeton 1929-05 4539 Los Angeles Mandeville Canyon, Santa Monica Mountains 350 Comment
  RSA693690  Dryopteris arguta Elbert Benjamine 1929-2-10 8462 Los Angeles Arroyo Seco, above Pasadena 610 Comment
  CAS-BOT-BC33280  Dudleya cymosa subsp. agourensis Kei M. Nakai 1980-5-25 606 Los Angeles Santa Monica Mountains, 0.4 km N of the junction of Agoura Rd and Cornell Rd. on Cornell Rd 275 Comment
  JEPS49946  Dudleya densiflora J. T. Howell 1928-6-12 Los Angeles Fish Canyon San Gabriel Mtns Comment
  IRVC29655  Dudleya lanceolata Mark A. Elvin 2003-6-12 2942 Los Angeles Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa Santa Clarita Valley 335 Comment
  RSA0088106  Dudleya lanceolata R. G. Swinney 2010-4-30 12458 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
  SD126096  Dudleya lanceolata Lyman Benson 1954-6-27 15289 Los Angeles Little Dalton Canyon above Gloendora. 424 Comment
  UCR89974  Dudleya lanceolata Scott D. White, Chet McGaugh 1995-6-6 3229 Los Angeles Santa Susana Mtns., E edge of range, just west of San Gabriel Mtns. 'Sunshine Canyon' (name not shown on topo): Sunshine Canyon Landfill Property, west of San Fernando Road and Hwy I-5, just SW of interchange with State Route 14 (Fwy) 488 Comment
  UC933239  Dudleya pulverulenta subsp. pulverulenta Reid Moran 1941-5-23 871 Los Angeles Topanga Canyon Sierra Santa Monica 91 Comment
  HSC9651  Echinochloa crus-galli C. E. Fellows 1970-9-7 140 Los Angeles 1 mile S of Ventura Blvd. on Reseda Blvd. at Rosita St. NE foothills of Santa Monica Mtns. 274 Comment
  CDA2006  Echinochloa crus-galli var. crus-galli L. C. Wheeler 1966-9-6 8873 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir 0 Comment
  RSA596509  Eclipta prostrata L. C. Wheeler 1966-11-23 9148 Los Angeles Cogswell Reservoir, West Fork San Gabriel River. Comment
  RSA0091788  Ehrendorferia chrysantha R. G. Swinney 2011-7-7 15436 Los Angeles Colby Ranch (Camp Colby), S end of Inspiration Canyon Tr., in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  UCR261766  Eleocharis R. G. Swinney 2010-9-13 13833 Los Angeles San Gabriel Mountains, c. 0.6 miles west of Falling Springs along Hwy. 39/Crystal Lake Rd., at horseshoe curve, headwaters of East Fork Coldbrook Creek 1244 Comment
  SBBG31400  Eleocharis macrostachya R. F. Thorne 1966-4-7 35979 Los Angeles one of upper small ponds near Arrow Pt 60 Comment
  UCR210251  Eleocharis parishii R. G. Swinney 2008-9-9 9441 Los Angeles San Gabriel Mtns., Big Rock Wash, 0.3 mi. north of junction of with Pallett Creek Rd. and Valyermo Rd. 1070 Comment
  UCR108403  Eleocharis radicans L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mtns, Soledad Canyon, Santa Clara River 530 Comment
  UCR162638  Eleocharis rostellata Anuja Parikh, Nathan Gale 2004-6-17 2051 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 44) in vicinity of confluence of Castaic Creek and Santa Clara River 290 Comment
  RSA743551  Eleusine coracana subsp. africana R. E. Riefner 2007-11-10 7 -498 Los Angeles City of Malibu, Malibu Rd. 0.5 mi W of Pacific Coast Hwy. 10 Comment
  POM352507  Elymus Geo. L. Moxley, Grinnell 1916-6-16 496 Los Angeles Santa Susana Mountains. Comment
  UCR276826  Elymus elymoides R. G. Swinney 2010-5-21 12875 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
  SEINET10564645  Elymus elymoides Alan A. Beetle 1942-4-24 Beetle 3210 Los Angeles 6 miles W of Llano, Larreo, Joshua tree-desert shrub formation. Comment
  SEINET954732  Elymus glaucus A. C. Sanders 2003-1 26249 Los Angeles Western San Gabriel Mtns.: southeast side of Castaic Mesa, east of Lake Hughes Rd. and the filtration plant, Newhall Ranch. 396 Comment
  CAS-BOT-BC206743  Elymus glaucus subsp. glaucus LeRoy Abrams 1902-6-29 2596 Los Angeles Mt. Wilson Comment
  POM365350  Elymus glaucus subsp. glaucus Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 457 Comment
  RSA618594  Elymus glaucus subsp. glaucus L. C. Wheeler 1967-5-18 9617 Los Angeles San Gabriel Mountains: Placerita Canyon. 518 Comment
  UCD62256  Elymus glaucus subsp. glaucus Robert F. Thorne; M. Z. Thorne 1967-7-19 37141 Los Angeles San Gabriel Mts., Angeles National Forest, Crystal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1554 Comment
  RSA401560A  Emmenanthe penduliflora Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  RSA585356  Emmenanthe penduliflora Tim S. Ross 1991-4-27 4695 Los Angeles Black Butte: rocky easterly and northeasterly slopes. 960 Comment
  LA200515  Emmenanthe penduliflora var. penduliflora Jonathan Sauer; D. Birindelli, L. Birindelli 1969-6-21 4597 Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  RSA590823  Encelia actoni Orlando Mistretta 1992-5-8 275 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  SFV3874  Encelia actoni K. A. Wilson 1961-4-26 1163 Los Angeles San Gabriel Mountains Soledad Canyon. Small, burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. 610 Comment
  UCR155614  Encelia actoni A. C. Sanders, T. B. Salvato 2005-4-26 29693 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
  RSA603325  Encelia farinosa Scott D. White 1997-5-21 5187 Los Angeles San Gabriel River Canyon: N of Azusa; parallel to Highway 39; canyon bottom and adjacent slopes along unnamed dirt access road to gauging station below Morris Dam. 244 Comment
  UC1870220  Encelia farinosa LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 723 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. On ridge east of the Brand canyon Cemetery west of the land fill. The lower part of Brand 307 Comment
  NY70319  Ephedra nevadensis T. S. Ross 1991-4-29 4874 Los Angeles Liebre Mountains, northwest Los Angeles County: Parker Mountain and ridge to the southwest: southwest of Acton and noth northeast of Ravenna. Acton 7.5' USGS Quadrangle 1118.6 Comment
  SEINET909622  Ephedra nevadensis Norman C. Cooper 1943-1 990 Los Angeles Lancaster. 762 Comment
  CAS-BOT-BC81971  Ephedra viridis I. M. Johnston 1917-8-23 1721 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel R. 1524 Comment
  RSA0116182  Epilobium brachycarpum R. G. Swinney 2010-10-5 13985 Los Angeles San Gabriel Mountains; east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons. 549 Comment
  POM11314  Epilobium brachycarpum I. M. Johnston 1917-7-31 1534 Los Angeles San Antonio Canyon below Camp Baldy. 1280 Comment
  UCR218019  Epilobium campestre A. C. Sanders, Dan S. Cooper 2010-8-5 38535 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  OBI35914  Epilobium canum J. & B. Semple, B. Semple 1981-8-14 5595 Los Angeles CA-2 N of La Canada Flintridge boudnary of Natl Forest (San Gabriel Mts) Comment
  CAS-BOT-BC166189  Epilobium canum subsp. canum R. J. Dobbs 1927-7-15 s.n. Los Angeles Lower Arroyo Comment
  CAS-BOT-BC166252  Epilobium canum subsp. canum C. F. Baker 1903-8-2 3657 Los Angeles San Antonio [Canon] Canyon - near Claremont Comment
  CAS-BOT-BC166263  Epilobium canum subsp. canum David D. Keck 1932-9-29 1900 Los Angeles Ridge Route, 1 mi. N. of Sandsbergs. (Liebre Mtns.) 1097 Comment
  POM21349  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1917-8-12 s.n. Los Angeles San Gabriel Mountains, Big Santa Anita Canyon. 1128 Comment
  RSA303933  Epilobium canum subsp. canum Jim R. Shevock 1970-9-12 460 Los Angeles Topanga Canyon. 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
  RSA0033685  Epilobium ciliatum Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5432 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  RSA448472  Epilobium ciliatum Louis C. Wheeler 1932-4-21 643 Los Angeles UCLA Campus, W. Los Angeles. 137 Comment
  POM2991  Epilobium ciliatum subsp. ciliatum D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA0011364  Epilobium ciliatum subsp. ciliatum Orlando Mistretta, Youssef Atallah 2011-8-12 6025 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. 1083 Comment
  RSA228949  Epilobium ciliatum subsp. glandulosum Robert F. Thorne 1971-8-25 41302 Los Angeles San Gabriel Mountains, Angeles National Forest: S ridge of summit of Mt. Baden- Powell 2805 Comment
  RSA191377  Epilobium ciliatum subsp. glandulosum Robert F. Thorne, M. Z. Thorne 1967-7-19 37187 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Cienega Springs, above Crystal Lake Recreation Area. 1982 Comment
  POM18114  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  SD19318  Equisetum hyemale subsp. affine F. Youngberg Apr 1934 Los Angeles San Dimas CaA'on Comment
  RSA579861  Equisetum hyemale var. affine T. S. Ross, Steve Boyd 1994-5-24 7841 Los Angeles 'Cottonwood Swamp'' Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes of Red Mountain. 512 Comment
  POM639596  Equisetum laevigatum L. C. Wheeler 1933-5-13 1735 Los Angeles Cobal Canyon, San Gabriel Mts. 563 Comment
  SFV3  Equisetum laevigatum K. A. Wilson 1961-3-14 1031 Los Angeles Santa Monica Mountains Mulholland Highway, 2 miles west of Seminole Hot Springs. 460 Comment
  UCR149532  Equisetum laevigatum R. G. Swinney 1997-7-17 5681 Los Angeles San Gabriel Mtns., west of Wrightwood, meadow at Big Pines, south of junction of Hwy 2 and Big Pines Hwy 2061 Comment
  SEINET6031526  Equisetum laevigatum L. Wheeler 1933-10-20 2175 Los Angeles San Gabriel River 76 Comment
  UCR126361  Eragrostis A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-6 27128 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  UC1180504  Eranthemum pulchellum H. W. Shepherd 1940-6-15 Los Angeles At Del Amo nursery; Compton, California Comment
  RSA578716  Eremalche exilis Tim S. Ross, J. Mark Porter 1994-5-1 7610 Los Angeles Southwestern Mojave Desert: open desert, ca 1740 m S of Black Butte and 1000m W of Three Sisters Buttes. 945 Comment
  RSA596225  Eremocarpus setiger T. S. Ross 1990-6-11 3396 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  UC303932  Eremocarpus setiger Geo. B. Grant 1906-8-23 Los Angeles Pasadena Comment
  UC450962  Eremocarpus setiger F. A. MacF. June 1931 2959 Los Angeles Tuna Canyon Verdugo Hills Comment
  OBI28061  Eremothera David J. Keil, Dirk Walters 1977-4-30 12301 Los Angeles Ridge Rte ca 2 mi S of jctn with Los Angeles Co Rd N-2 1280 Comment
  JEPS31693  Eremothera boothii subsp. decorticans Frank W. Peirson 1928-6-2 7949 Los Angeles Rock Cr. San Gabriel Mts. (main stream bed) 1371 Comment
  CAS-BOT-BC512644  Eriastrum densifolium subsp. austromontanum H. E. Hasse 1893-8-20 s.n. Los Angeles At Acton and in the mountains Comment
  RSA0107979  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-14 134 Los Angeles San Gabriel Mtns.: Big Tujunga Creek (upper Tujunga Valley), in center of wash, 400m north of western end of Wentworth St. in city of Sunland. 378 Comment
  SBBG5827  Eriastrum sapphirinum H. and M. Dearing 1938-5-22 1954 Los Angeles Decker Ranch, 15 mi from coast Comment
  CAS-BOT-BC514943  Eriastrum sapphirinum subsp. brevibracteatum Mrs. K. Brandegee 1910-6-1 135 Los Angeles Ravenna, not far from the borders of the Mohave Desert 750 Comment
  SD41986  Eriastrum sapphirinum subsp. dasyanthum Darley F. Howe 1947-5-3 Los Angeles Highway near west end of Mint Canyon. Comment
  RSA758726  Ericameria C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile E of Pacoima Creek Bridge on the Tujunga to San Fernando Road. 366 Comment
  CAS-BOT-BC131686  Ericameria cooperi var. cooperi H. M. Hall 1905-6-1 6312 Los Angeles Tejon Pass (near Kern Co. line) 1219 Comment
  UCR223178  Ericameria cuneata R. G. Swinney 2009-7-22 11320 Los Angeles Transverse Range; San Gabriel Mtns., summit of Mt. Hillyer, north of Horse Flats 1890 Comment
  RSA93254  Ericameria cuneata var. cuneata F. W. Peirson 1918-10-10 222 Los Angeles Falls in Rubio Canyon 762 Comment
  POM359351  Ericameria ericoides var. ericoides Anstruther Davidson 1894-09 s.n. Los Angeles Redondo Comment
  CAS-BOT-BC168168  Ericameria linearifolia A. C. Sanders; E. J. Lawlor 1988-4-3 7740 Los Angeles Tehachapi Mtns: SW end of [theTehachapi] the Tehachapi Mtns, 1 mi. NW of Gorman on a gasline rd, 0.4 mi. above old highway 1284 Comment
  CAS-BOT-BC287623  Ericameria linearifolia Barbara Shervanick 1974-4-28 1215 Los Angeles Highway 138 about 0.75 mile NW of highway 395, Mormon Rocks, Antelope Valley, San Gabriel Mt Range 944 Comment
  SBBG8344  Ericameria linearifolia H. and M. Dearing 1933-4-9 2342 Los Angeles Little Rock Cyn Comment
  SEINET10808736  Ericameria nauseosa var. speciosa F. R. Fosberg 1931-7-11 Fosberg 7057 Los Angeles Near Reservoir Summit, Ridge Route, western Sierra Madre Mountains. 1200 Comment
  SD112608  Ericameria pachylepis Darley F. Howe 1951-10-7 2161 Los Angeles Sunset Boulevard, about 1 miles west of Westwood. Comment
  POM359439  Ericameria palmeri var. pachylepis B. C. Templeton 1962-9-27 9372 Los Angeles Near 6th & Coronado. 107 Comment
  RSA191627  Ericameria parishii var. parishii R. F. Thorne, M. Z. Thorne 1966-8-29 36596 Los Angeles along hwy from Crystal Lake to Islip Saddle. 1615 Comment
  RSA90890  Ericameria parishii var. parishii F. W. Peirson 225 Los Angeles Above Martins Camp, Mt. Wilson, San Gabriel Mts. 1601 Comment
  UCR182242  Ericameria parryi R. G. Swinney 1997-9-6 5868 Los Angeles San Gabriel Mountains., Forest Service Rd 4N06 (up Mescal Canyon), 0.8 mi N of Big Pines Rd. 1744 Comment
  SJSU13595  Ericameria pinifolia C. W. Sharsmith 1946-10-20 5500 Los Angeles upper Haines Canyon, San Gabriel Mts 853 Comment
  RSA702165  Erigeron breweri var. covillei Michael Honer 2004-6-22 1994 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and 'Hog Back.' 854 Comment
  RSA639882  Erigeron breweri var. jacinteus L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, branch at Angeles Crest Highway. 2103 Comment
  UCR259234  Erigeron canadensis R. G. Swinney 2010-9-9 13735 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  UCR194021  Erigeron foliosus R. G. Swinney 1998-9-7 6928 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1 mi. west of summit of Pine Mountain 2659 Comment
  CAS-BOT-BC296175  Erigeron foliosus var. foliosus Geo. B. Grant 1904-6-14 6303 Los Angeles Sand Pit Canyon, Monrovia Comment
  CAS-BOT-BC33609  Eriodictyon crassifolium var. nigrescens Adolph Daniel Edward Elmer 1902-6-1 3598 Los Angeles Acton Comment
  CAS-BOT-BC248473  Eriogonum angulosum Clare B. Hardham 1966-5-7 14151 Los Angeles Near Gorman 1219 Comment
  UCR186051  Eriogonum angulosum T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2082 Los Angeles Tehachapi Mountains Foothills/Western Antelope Valley, outwash plain below Bronco Canyon, c. 4 mi N of Hwy 138 965 Comment
  RSA658526  Eriogonum cinereum Diane Elliott 1985-5-17 38 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UC77607  Eriogonum cinereum S. B. and W. F. Parish October, 1882 1604 Los Angeles bluffs along seacoast; Santa Monica Comment
  CAS-BOT-BC242757  Eriogonum davidsonii Joseph Andorfer Ewan 1936-8-9 10028 Los Angeles 1/4 mi. n. of Bald Flat, Blue Ridge, San Gabriel Mts. 2529 Comment
  RSA642100  Eriogonum davidsonii Orlando Mistretta 1994-7-22 1447 Los Angeles San Gabriel Mountains: Big Rock Creek, South Fork Campground. Comment
  RSA660178  Eriogonum davidsonii Orlando Mistretta 1992-5-25 408 Los Angeles Fenner Canyon Conservation Camp. 1738 Comment
  UCR276716  Eriogonum davidsonii R. G. Swinney 2010-9-21 13866 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  POM2232  Eriogonum davidsonii L. R. Abrams 1902-6-29 2592 Los Angeles Mt. Wilson [San Gabriel Mountains] Comment
  RSA393172  Eriogonum davidsonii Louis C. Wheeler 1933-10-22 2191 Los Angeles San Gabriel Mountains, Crystal Lake 1707 Comment
  SEINET11937892  Eriogonum davidsonii M. T. Doutt 1931-1 649 Los Angeles Sierra Madre Mts, trail between Mt. Lowe and Mt. Nelson 1768 Comment
  IRVC28555  Eriogonum elongatum A. C. Sanders 2003-8-5 27107 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
  POM293141  Eriogonum elongatum var. elongatum Lyman Benson 1946-10-16 12211 Los Angeles U. S. 99, valley just south of second summit north of Castaic. 762 Comment
  RSA603675  Eriogonum elongatum var. elongatum Steve Boyd 1997-9-17 10041 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  UCR271584  Eriogonum elongatum var. elongatum R. G. Swinney 2011-11-3 15999 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon, Old Mt. Wilson Trail, 1 to 2 miles up from trailhead in town of Sierra Madre 549 Comment
  CAS-BOT-BC249767  Eriogonum elongatum var. elongatum Peter H. Raven 1957-9-21 11335 Los Angeles At northwest end of campus of University of California at Los Angeles Comment
  POM2230  Eriogonum elongatum var. elongatum D. L. Crawford 1915-10-27 506 Los Angeles San Bernardino Mountains: Stoddard Canyon - Claremont. Comment
  RSA303970  Eriogonum elongatum var. elongatum James R. Shevock 1970-11-15 546 Los Angeles San Gabriel Mountains: Los Pinitos Canyon Comment
  RSA393515  Eriogonum fasciculatum John P. Hill 1929-3-10 s.n. Los Angeles Hollywood Hills. Comment
  UCR256472  Eriogonum fasciculatum subsp. foliolosum R. G. Swinney 2010-6-8 13195 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA0091510  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 Los Angeles east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1537 Comment
  UCR270220  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2011-10-10 15744 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
  LA52253  Eriogonum fasciculatum var. fasciculatum A. H. Lange; 1951-3-27 sn Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  CHSC26383  Eriogonum fasciculatum var. foliolosum Kell Jensen 1966-6-4 108 Los Angeles 1/2 mi N of Puddingstone Reservoir, N of Pomona. San Jose Hills. 320 Comment
  RSA15332  Eriogonum fasciculatum var. foliolosum Carl B. Wolf 1926-3-17 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA578787  Eriogonum fasciculatum var. foliolosum Tim S. Ross, S. D. Boyd 1994-7-7 8165 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the 'Kelley Ranch' inholding (USFS map, 1958; 'Knapp Ranch', Angeles National Forest map, 1982) 1000 Comment
  RSA65149  Eriogonum fasciculatum var. foliolosum F. W. Peirson 1919-7-3 513 Los Angeles San Gabriel Mountains: Lukens Peak 915 Comment
  HSC34765  Eriogonum fasciculatum var. polifolium R. E. Cooksey 1972-4-18 34 Los Angeles San Gabriel Mtns., San Dimas Canyon, 6.2-7 mi. from Hwy. 66 and San Dimas Rd. 564 Comment
  UC454079  Eriogonum giganteum I. J. Condit 1908-6-29 Los Angeles Catalina Island Comment
  CATA38  Eriogonum giganteum var. giganteum USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 20 Los Angeles Santa Catalina Island: Deer Valley Trail 42 Comment
  RSA393371  Eriogonum giganteum var. giganteum Anstruther Davidson 1893-8-22 s.n. Los Angeles Santa Catalina Island. Comment
  SD85199  Eriogonum giganteum var. giganteum E. R. Blakley 1962-10-3 5375 Los Angeles Common, sun, rocky clay soil, banks around Wrigley Reservoir, summit of island road. Santa Catalina Island 424 Comment
  RSA589188  Eriogonum gracillimum Tim S. Ross 1991-4-27 4683 Los Angeles Mojave Desert: Black Butte Basin Road at intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters (buttes). 959 Comment
  RSA0025354  Eriogonum hirtiflorum Anuja Parikh, Nathan Gale 2010-6-18 3339 Los Angeles TR, SnGb, Upper Big Tujunga Canyon, 0.9 km N of State Highway 2 (SH 2, Angeles Crest Hwy), 0.3 km W of Upper Big Tujunga Canyon Road. 1240 Comment
  RSA597384  Eriogonum maculatum Tim S. Ross, S. D. Boyd 1990-6-18 3502 Los Angeles San Gabriel Mountains, Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA393658  Eriogonum maculatum Anstruther Davidson 1901-08 1860 ? Los Angeles Little Rock Creek. Comment
  POM17605  Eriogonum microtheca var. corymbosoides P. A. Munz 1923-8-30 7661 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  RSA0005071  Eriogonum microtheca var. johnstonii I. M. Johnston 1917-9-16 1726 Los Angeles San Antonio Mts., west spur of Baldy. 2744 Comment
  RSA755454  Eriogonum nudum subsp. pauciflorum R. G. Swinney 2008-10-7 9472 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak. 1622 Comment
  RSA725885  Eriogonum pusillum R. G. Swinney 1997-6-25 5642 Los Angeles San Gabriel Mountains: southwest of Wrightwood, Blue Ridge ca. 0.5 mi. W of Guffy Camp, Forest Service Rd. 3N06, ca. 5.1 miles east of Hwy 2. 2518 Comment
  RSA617230  Eriogonum umbellatum var. minus LeRoy Gross 1998-8-22 47 Los Angeles Top of Mt. Baden-Powell. 2866 Comment
  UCR223403  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2009-7-23 11400 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
  RSA5501  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles 8 miles below Big Pine Park on road to Little Rock, north slope of San Gabriel Mountains 1372 Comment
  CDA5245  Eriophyllum confertiflorum J. E. Law 1923-5-22 272 Los Angeles Flume trail, Eaton Canyon, Altadena. 0 Comment
  IRVC26191  Eriophyllum confertiflorum A. C. Sanders 2003-6-19 26975 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA526559  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4244 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA773600  Eriophyllum confertiflorum R. G. Swinney 2009-6-24 11269 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  SEINET13203149 Image available Eriophyllum confertiflorum R. G. Swinney 2010-1 11826 Los Angeles San Gabriel Mountains: Whitney Canyon, Whitney Canyon Park, from 0.4 miles east of 14 Fwy. at the cyn. mouth to 300 meters SE along ridgetop to the east of Whitney Cyn. (Oat Mt. 7.5' Q.) 442 Comment
  UCR200111  Eriophyllum confertiflorum Lucila Reccia, Naomi Fraga 2007-6-27 01 Los Angeles San Gabriel Mountains, Fireroad to Mount Waterman, southeast of the Ski Hut Area 2348 Comment
  RSA276005  Eriophyllum confertiflorum var. confertiflorum Jack Delaini 1974-3-11 74 Los Angeles Lodi Canyon, San Dimas Experimental Forest, San Gabriel Mountains 365 Comment
  SD86325  Eriophyllum confertiflorum var. confertiflorum R. Mitchel Beauchamp, M. Douglas 1972-3-24 3234 Los Angeles San Clemente Island, north of Nanny. 149 Comment
  POM358086  Eriophyllum nevinii Anstruther Davidson 1930-8-22 s.n. Los Angeles Catalina [Island]. Comment
  RSA729339  Eriophyllum pringlei R. G. Swinney 1999-5-1 7093 Los Angeles San Gabriel Mtns./Mojave Desert: Graham Canyon, 2.4 miles south of Ft. Tejon Rd., c. 200 m north of Mescal Highlands Rd. 1341 Comment
  SBBG89131  Eriophyllum pringlei A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7767 Los Angeles near Quartz Hill in Lancaster, S of Ave L at 37th Street W; T7N, R12W, W/2 of NE/4 of NW/4 S31 746 Comment
  RSA506811  Eriophyllum pringlei L. C. Wheeler 1967-5-9 9381 Los Angeles San Gabriel Mts.: Aliso Canyon E of Acton, ca. 1 mile downstream from Wagonwheel Ranch. 915 Comment
  UCR270151  Eriophyllum wallacei R. G. Swinney 2011-4-20 14436 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
  OBI18704  Eriophyllum wallacei David J. Keil 1976-12-12 11890 Los Angeles Ca. 5 mi W of San Bernardino Co line along Calif 138 1128 Comment
  UC1409164  Erodium brachycarpum Robert F. Thorne 1971-3-31 41452 Los Angeles n of Mountain Ave. (Johnson's Pastures); San Gabriel Mts., Claremont 548 Comment
  UCD103132  Erodium brachycarpum Daryl Koutnik 1978-3-16 115 Los Angeles At the northwest base of Lady face, South of Agoura Rd. 320 Comment
  RSA162829  Erodium cicutarium J. D. Olmsted 1958-3-2 s.n. Los Angeles Flat area with southward drainage along San Antonio Creek, Blanchard Park, Claremont near eastern boundary of Los Angeles County. 366 Comment
  SEINET4044552  Erodium cicutarium D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 121 Comment
  UCR191710  Erodium cicutarium A. C. Sanders 2008-4-11 34864 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  CDA4670  Erodium cicutarium L. C. Wheeler 1967-5-15 9605 Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Whitney Canyon near Newhall Comment
  OBI35620  Erodium cicutarium Rebecca Cicoria 1981-4-23 5 Los Angeles In upper end of Altamira Cyn, Rolling Hills 1829 Comment
  RSA391818  Erodium cicutarium Robert Gustafson 1978-6-1 974 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA725764  Erodium macrophyllum A. C. Sanders, Mark A. Elvin 2003-5-1 26263 Los Angeles Western San Gabriel Mtns.: NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons 442 Comment
  SBBG131995  Erodium moschatum S. A. Junak, R. Philbrick 1990-11-8 SCI 121 Los Angeles Camera Pad "Stone", on E side of island 457 Comment
  RSA390926  Erodium moschatum M. B. Dunkle 1936-1-12 4700 Los Angeles Long Beach Comment
  RSA773616  Erysimum capitatum R. G. Swinney 2009-6-24 11237 Los Angeles summit of Granite Mountain 1988 Comment
  RSA226179  Erysimum capitatum var. capitatum Gary D. Cromwell 1971-4-16 521 Los Angeles Mystic Canyon, Angeles National Forest. 2 miles NE of Glendora at upper canyon fork 427 Comment
  RSA28140  Erysimum capitatum var. capitatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 9485 Los Angeles 16 miles from Lancaster on the Muroc Rd. Comment
  RSA530299  Erysimum capitatum var. capitatum Elbert Benjamine 1929-3-3 46 Los Angeles Gravelly hillside, La Crescenta. Comment
  RSA0069425  Eschscholzia californica R. G. Swinney 2010-3-11 11867 Los Angeles Flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east, where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA654441  Eschscholzia californica Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 980 Los Angeles Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), NW of ''La Tuna'', above Chandler Canyon, S of La Tuna Canyon. 427 Comment
  UC64877  Eschscholzia californica H. M. Hall May 1 1902-May 3 1902 Los Angeles Vicinity of Palmdale Antelope Valley 792 Comment
  CAS-BOT-BC403174  Eschscholzia californica Ernest C. Twisselmann 1966-4-27 12108 Los Angeles Mojave Desert. Southwest side of Antelope Valley 883 Comment
  RSA0056412  Eschscholzia californica James R. Shevock 1970-3-14 34 Los Angeles Claremont. 518 Comment
  RSA21783  Eschscholzia californica var. crocea Carl B. Wolf 1937-5-20 8744 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  CAS-BOT-BC83098  Eschscholzia minutiflora A. D. E. Elmer 1902-6-1 4180 Los Angeles Lancaster. Comment
  UCR51500  Eucalyptus globulus A. C. Sanders 1987-12-4 7447 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport and Pershing Dr 38 Comment
  CDA31847  Eucalyptus robusta Michael O Brien 2010-2-14 PDR# 1535018 Los Angeles In the vicinity of Los Angeles, on Morton Avenue. 0 Comment
  UC2026418  Eucalyptus rudis Louis C. Wheeler 1965-5-17 8711 Los Angeles LIEBRE MOUNTAIN: Two Shay Ranch, Bouquet Canyon. Comment
  RSA498203  Eucrypta chrysanthemifolia M. B. Dunkle 1928-5-13 1935 Los Angeles Santa Catalina Island. Coach road. Talus slope near Wishbone Loop. Comment
  RSA670946  Eucrypta chrysanthemifolia var. chrysanthemifolia Joseph M. Keefe 2001-3-19 31154 Los Angeles San Rafael Mountains. 10 meters north of Glenoaks Boulevard, 200 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208 466 Comment
  UC1211040  Eucrypta chrysanthemifolia var. chrysanthemifolia Huron H. Smith 1912-5-29 5025 Los Angeles Santa Catalina Island; Summit Road 396 Comment
  UC1922282  Eucrypta chrysanthemifolia var. chrysanthemifolia Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 681 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. Area burned in August 1999. Near 34deg 14' 18.3'' N 118deg 17' 17.3'' W T2N 579 Comment
  RSA0042305  Eucrypta chrysanthemifolia var. chrysanthemifolia Mark L. Hoefs, Steven A. Junak 2000-4-14 3071 Los Angeles Santa Catalina Island: Hillside about halfway between Airport Road and Goat Harbor. 469 Comment
  UC450937  Eulobus californicus Fay A. Macfadden 1931-3-28 36 E Los Angeles Tuna Canyon Verdugo Hills Comment
  CHSC14150  Euphorbia crenulata L. M. Mayer; I. J. Mayer 1974-4-6 138 Los Angeles Malibu; Malibu Lagoon along Hwy 1. Comment
  CDA4822  Euphorbia dendroides S. Granger 1981-3-3 Los Angeles Foothills of the San Gabriel Mountains, Eaton Canyon near Kinneloa Mesa, north of New York Drive, Pasadena. Comment
  POM2849  Euphorbia lathyris I. M. Johnston 1917-7-20 1747 Los Angeles San Antonio Canyon (Seven oaks). Comment
  LA82197  Euphorbia maculata O. H. Kappler; 1943-5-24 475 Los Angeles SANTA MONICA MOUNTAINS, Beverly Hills. Comment
  UCD142569  Euphorbia melanadenia Fay A. MacFadden 1931-3-4 s.n. Los Angeles Verdugo Hills, Tuna Canyon. Comment
  CAS-BOT-BC202543  Euphorbia misella Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6944 Los Angeles Santa Catalina Island: slope ca. 1600 feet NE of Little Harbor; apparently on a substrate of the Mesozoic Franciscan Formation 51 Comment
  RSA603551  Euphorbia misera Sara L. Crockett 1997-4-1 629 Los Angeles Santa Catalina Island. 0.3 miles WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road. 46 Comment
  RSA432443  Euphorbia palmeri Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  CDA20114  Euphorbia peplus M. O'Brien 2003-4-2 MOB 13 -03 Los Angeles South Coast; El Matador Beach in Robert H. Meyer Memorial SB. 0 Comment
  RSA624548  Euphorbia peplus L. C. Wheeler 1945-4-8 6000 Los Angeles Home of the famous Wisteria vine, Sierra Madre. Comment
  OBI70742  Euphorbia polycarpa Louis C. Wheeler 1942-12-2 5679 Los Angeles Verdugo Mts: Burbank; Glen Oaks and Lamer St Comment
  PASA700  Euphorbia polycarpa Annetta Carter 1929-1-6 Los Angeles Near mouth of Big Santa Ana Comment
  CATA1926  Euphorbia serpillifolia subsp. serpillifolia Amy Catalano 2014-10-2 017 Los Angeles Santa Catalina Island: Margin of Echo Lake 393 Comment
  CATA2047  Euphorbia spathulata Steven A. Junak 1998-6-12 727 Los Angeles Santa Catalina Island: Slopes on E side of Catalina Harbor, upslope from Del Rey Yacht Club 73 Comment
  RSA258425  Euphorbia supina C. W. Tilforth 1972-4-5 527 Los Angeles Very common in all areas. Comment
  RSA69418  Eustoma exaltatum F. W. Peirson 1917-5-1 880 Los Angeles Topanga Canyon, Santa Monica Mountains. Comment
  CATA3340  Extriplex californica Amy Catalano, Schylar Gholson 2016-2-9 013 Los Angeles Santa Catalina Island: Beach southwest of Smuggler's Loop Road 0 Comment
  SBBG13426  Extriplex californica E. R. Blakley 1962-6-10 5222 Los Angeles Wilson Cove 6 Comment
  LA33398  Festuca arundinacea Peter H. Raven; 1959-5-3 14068 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  IRVC28856  Festuca microstachys Mark A. Elvin, M. S. Enright, Tricia Wotipka 2003-5-24 2925 Los Angeles Newhall Ranch, head of Salt Creek, northern crest of Santa Susana Mtns. Santa Susana Mtns. 915 Comment
  CATA1539  Festuca perennis Mark L. Hoefs, Steven A. Junak 1997-6-4 2766 Los Angeles Santa Catalina Island: Deep tank reservoir, by road above Empire Landing 106 Comment
  LA33400  Festuca pratensis R. L. Armacost; 1957-6-12 869 Los Angeles near S Cloverfield Blvd, Santa Monica 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
  UCR260020  Filago californica R. G. Swinney 2010-3-30 12110 Los Angeles San Gabriel Mountains, Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  POM277128  Filago californica E. S. Steele, H. S. Pratt 1935-5-10 s.n. Los Angeles West hills of Eagle Rock. Comment
  RSA639563  Filago californica L. C. Wheeler 1967-5-18 9652 Los Angeles San Gabriel Mountains: Placerita Canyon, vicinity of Oak of the Golden Dream. 478 Comment
  UCR205560  Filago gallica R. G. Swinney 2008-5-30 8885 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 Comment
  UCR149329  Forestiera pubescens R. G. Swinney 1998-4-14 5999 Los Angeles San Gabriel Mtns., Pinon Hills area, 0.7 miles west of 237th St. at Panarama Rd., NW of mouth of Mescal Cyn., Mescal Highlands, 2.7 miles south of Ft. Tejon Rd. 1402 Comment
  UCR182269  Fraxinus dipetala R. G. Swinney 1998-4-15 6018 Los Angeles San Gabriel Mountains, bottom of Evey Canyon, 0.7 mi. west of San Antonio Canyon Rd. 793 Comment
  SFV21162  Fremontodendron californicum subsp. californicum J. N. Hogue 2007-6-21 295 .3 Los Angeles San Gabriel Mountains Along Sulphur Springs Road near Horse Flats Campground. 1765 Comment
  POM11992  Fremontodendron mexicanum Fitch 1922-05 s.n. Los Angeles Pomona. Comment
  UC3623  Fritillaria biflora Harley P. Chandler 1897-3-14 Los Angeles San Dimas 609 Comment
  RSA166483  Fritillaria biflora W. G. Webb 1935-2-23 s.n. Los Angeles Chevy Chase, San Rafael Hills, north of Glendale Comment
  POM367624  Galium H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  RSA587023  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-6-15 1362 Los Angeles San Gabriel Mountains, Santiago Canyon. Comment
  RSA0116813  Galium angustifolium R. G. Swinney 2011-6-7 15092 Los Angeles San Gabriel Mountains; summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  SEINET3371876  Galium angustifolium G. Rink 2011-6-1 10581 Los Angeles Chino Hills, northeast of La Brea, weedy place 259 Comment
  UCR125177  Galium angustifolium A. C. Sanders, Mark Elvin 2002-6-25 25271 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 366 Comment
  UCR258922  Galium angustifolium R. G. Swinney 2010-5-7 12616 Los Angeles San Gabriel Mountains/Verdugo Mountains, Tujunga Valley, 150 m to 0.2 miles west of I-210 Fwy. overpass along Haines Canyon stream channel/ south fork of Big Tujunga Wash 357 Comment
  UC102520  Galium angustifolium subsp. angustifolium Dr. H. E. Hasse 1888-7-15 Los Angeles Santa Catalina Island Comment
  UCR160090  Galium angustifolium subsp. angustifolium L. C. Wheeler 1968-7-3 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, north side of Bichota Canyon, east of heliport 1402 Comment
  JEPS24233  Galium angustifolium subsp. angustifolium Peter H. Raven 1959-5-3 14079 Los Angeles Mulholland Drive 0.6 mi e Coldwater Canyon; Santa Monica Mountains 365 Comment
  RSA670033  Galium aparine Joseph M. Keefe 2001-3-13 31081 Los Angeles North across street from 774 Tipton Terrace, 0.3 miles south of Buena Vista Terrace. Highland Park District, 1.5 miles southwest of The Eagle Rock. 262 Comment
  PASA42  Galium aparine Sally Ellis 1940-4-16 Los Angeles Clairemont, LA Co. Comment
  SEINET7042263  Galium aparine A. G. Vestal 1938-7-3 s.n. Los Angeles Barley Flats, San Gabriel Mountains, Angeles National Forest. Chilao Flat quadrangle. UTM Zone 11, 401100mE, 379337mN. Ca 5000'. Comment
  RSA680076  Galium catalinense subsp. acrispum Mark A. Elvin, Michael Wall, Jennifer Stone 1996-8-7 309 Los Angeles San Clemente Island. Conchulagua Canyon. [Canchalagua] In canyon floor. Shelf under a 25' cliff. [Longitude should be 118 deg. instead of 116 deg.] 213 Comment
  UC2029966  Galium grande V. Soza, Samantha Tessel 2001-6-18 1292 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 1.8 miles from trailhead out of Chantry Flat area. Comment
  UC2030108  Galium grande V. Soza, Monica Acosta 2001-6-20 1299 b Los Angeles Transverse Ranges, San Gabriel Mountains region: Above Cold Springs Canyon, east of White Saddle, along Silver Fish Road (FS Road 1N29), ca. 1.54 miles east of junction with Van Tassel Truck Trail (FS Road 1N36). Comment
  RSA682408  Galium grande Valerie L. Soza, Bill Hogshead 2003-5-6 1649 -b Los Angeles Chantry Flat Road (2N41) just below Chantry Flat heliport. 732 Comment
  UCR223652  Galium johnstonii R. G. Swinney 2009-6-24 11268 Los Angeles Transverse Range; San Gabriel Mtns., summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1926 Comment
  LA200802  Galium nuttallii subsp. nuttallii Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  UCR274089  Galium parisiense Steven A. Junak 2000-5-19 SCa- 1322 Los Angeles California Islands, Santa Catalina Island, just west of road, near Opuntia patch 317 Comment
  UC2042043  Galium porrigens Orlando Mistretta 1989-5-5 s. n. Los Angeles Transverse Ranges; Liebre Mountains Region: Bouquet Canyon. Comment
  UCSB6568  Gamochaeta ustulata Kraebel, C. 1931-9-10 Los Angeles San Dimas Canyon, SRE plots; Angeles Forest Comment
  CAS-BOT-BC158044  Garrya veatchii I. M. Johnston 1918-5-19 1984 Los Angeles San Antonio Canyon [Canon], San Antonio Mountains, on canon side in chaparral 1066 Comment
  RSA656929  Garrya veatchii Valerie L. Soza, Wayne Law, Laura Moore 2000-7-7 1057 Los Angeles San Gabriel Mountains: North of Mt. Bliss, Van Tassel Truck Trail (FS Road 1N36), 0.15 mile north of junction of Van Tassel Truck Trail and Van Tassel Road (FS Road 1N36A). 1082 Comment
  CATA1625  Gastridium phleoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2898 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 332 Comment
  SBBG13304  Gastridium phleoides M. A. Piehl -Jun-1962 62409 Los Angeles dry slopes at Thirst 579 Comment
  SD69607  Gaura drummondii Robert F. Thorne 1966-6-1 36478 Los Angeles Santa Catalina Island; Avalon. 29 Comment
  UCD170712  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
  UCR192890  Gayophytum R. G. Swinney 1999-8-16 7656 Los Angeles San Gabriel Mtns., Wrightwood area, Flume Canyon, spring c. 200 m north of Guffy Campground 2445 Comment
  RSA610211  Genista linifolia L. C. Wheeler 1970-9-3 s.n. Los Angeles San Gabriel Mountains: Mt. Wilson road below Henninger Flats. 670 Comment
  UCR20279  Genista linifolia Hayden Williams, Barbara T. Gittins 1964-2-9 453 Los Angeles Channel Islands, Santa Catalina Island, near Avalon 305 Comment
  CATA489  Geranium carolinianum Sara L. Crockett 1997-4-1 631 Los Angeles Santa Catalina Island: 0.3 mile WNW on Two Harbors Road from jct. with upper road leading into Little Harbor CG; old road leading to power poles on N side of road 45 Comment
  RSA748851  Gilia R. G. Swinney 2008-5-8 8791 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
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Dec 7 2018
  UCR194150  Gilia A. C. Sanders 2008-4-13 34884 Los Angeles Western Mojave Desert, Antelope Valley, Llano, 165th St. East, 0.3 mi. N of Hwy 138, 0.2 mi. S of Ave. 'V 955 Comment
  HSC34731  Gilia achilleifolia subsp. multicaulis R. E. Cooksey 1972-4-10 29 Los Angeles Blanchard Park, Pomona College 335 Comment
  RSA470118  Gilia angelensis F. R. Fosberg 1931-4-15 S- 4635 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  RSA724535  Gilia angelensis K. Dobry 1991-5-13 481 Los Angeles West San Gabriel Mts at Elsmere Cyn. Comment
  LA52323  Gilia angelensis A. M. Johnson; 1932-5-5 3845 Los Angeles Santa Monica Mountains, University of California, Los Angeles, Bel-Air, Westwood Comment
  RSA600151  Gilia brecciarum subsp. brecciarum Steve Boyd, Lauren Raz 1997-5-1 9646 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
  UCR220217  Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  SEINET6061868  Gilia cana Scott D. White 1998-6-29 6832 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  IRVC26356  Gilia capitata A. C. Sanders, Mark A. Elvin 2003-4-16 26038 Los Angeles Newhall Ranch, ca. 0.4 north of Hwy 126, west of Castaic Creek and north of its confluence with the Santa Clara River, 0.6 mi. south of Commerce Center Dr. along Franklin Parkway, vicinity of large water tank Santa Clara River watershed 305 Comment
  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
  UCR189950  Gilia capitata R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns., ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA470206  Gilia capitata subsp. abrotanifolia Robert Gustafson 1978-6-1 996 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  RSA470210  Gilia capitata subsp. abrotanifolia Anstruther Davidson 1896-05 s.n. Los Angeles Newhall. Comment
  UCSB46591  Gilia capitata subsp. abrotanifolia Welton, Patti 1983-3-28 Los Angeles Northeast side of Mulholland Hwy.; 1 mile north of Cold Canyon Road; Santa Monica Mtns. 518 Comment
  UCR167193  Gilia latiflora S. J. Myers 2005-5-11 s.n. Los Angeles Western Mojave Desert, NE of Lancaster, SW of the intersection of Avenue H and 10th Street, 120 acre area near landing strip 720 Comment
  CAS-BOT-BC226314  Gilia latiflora subsp. davyi J. Mark Porter 1998-4-27 11837 Los Angeles Antelope Valley: N. of Hwy 138 (Avenue D - Neenach Rd) at powerline, near Antelope Valley California Poppy Reserve Comment
  LA206990  Gilia latiflora subsp. davyi Eliz. Grant; 1937-5-8 sn Los Angeles Mint Canyon 1523 Comment
  UCD117780  Gilia latiflora subsp. davyi Daryl Koutnik 1978-3-23 130 Los Angeles north side of State Highway 18 and just west of Llano. 975 Comment
  UCR102535  Gilia latiflora subsp. davyi George K. Helmkamp, E. A. Helmkamp 1997-3-6 1355 Los Angeles Western Mojave Desert, west of Lancaster along Lancaster Rd, just south of California Poppy Preserve 793 Comment
  UC1929545  Gilia leptantha subsp. transversa Valerie Soza, Naomi Fraga 2003-6-13 1669 Los Angeles Transverse Ranges; San Gabriel Mountains region; Blue Ridge just west of Guffy Camp, on ridgetop and slopes above FS Road 3N06; Mount San Antonio quad.; T3N R7W S18, SW/4; UTM 3800050N, 0439579E; elev. 8300 ft 2530 Comment
  RSA67279  Gilia minor Verne Grant, Alva Grant 1952-4-21 9092 Los Angeles Ca. 10 mi. s. of Gorman on Tejon Pass Rd. 1067 Comment
  RSA534036  Gilia nevinii T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5275 Los Angeles San Clemente Island, westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of Rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']) Upper portion of drainage 305 Comment
  RSA535745  Gilia nevinii T. S. Ross 1991-5-23 5494 Los Angeles San Clemente Island: lower Tota Canyon, middle of island, eastern escarpment 81 Comment
  RSA549899  Gilia nevinii Peter L. Morrell, Orlando Mistretta, L. Arsneth 1992-4-4 127 Los Angeles San Clemente Island, appros. 1.5 km S of Wilson Cove. 200 Comment
  UCR189261  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-5-16 6063 Los Angeles San Gabriel Mountains/Mojave Desert, Mescal Highlands, 1 mile south of Ft. Tejon Rd. and 237th St. junction 1348 Comment
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May 3 2012
  CAS-BOT-BC402067  Gilia ochroleuca subsp. vivida Geo. B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson, San Gabriel Mts. 1828 Comment
  UCR263074  Gilia ochroleuca subsp. vivida Mitch Provance 2008-4-14 10147 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
  RSA469498  Gilia ochroleuca subsp. vivida F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  RSA469631  Gilia sinuata Christopher Davidson 1973-4-1 1889 Los Angeles 1 mile south of Littlerock. 762 Comment
  UCR256224  Glycyrrhiza lepidota R. G. Swinney 2010-6-4 13033 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  POM50890  Gnaphalium beneolens L. R. Abrams 1901-4-6 1398 Los Angeles Monte Vista Comment
  SEINET11849334  Gnaphalium beneolens J. F. Bright, Wyman, C. 1931-1 5714 Los Angeles Hollywood Comment
  RSA563491  Gnaphalium californicum Timothy S. Ross, Walter Appleby 1993-5-13 7124 Los Angeles Western San Gabriel Mtns: Steep northerly slope ca 850 m NE of Los Pinetos Spring, draining to easterly tributaries of Los Pinetos Canyon. 854 Comment
  RSA613124  Gnaphalium californicum E. Hewgley, J. Gural 1997-4-27 19 Los Angeles Claremont, Bernard Field Station of the Claremont Colleges, NW corner of Mills Avenue and Foothill Blvd. 412 Comment
  RSA602445  Gnaphalium luteoalbum Scott D. White 1997-5-14 5124 Los Angeles Big Tujunga Wash: Sunland-Tujunga area; alluvial fan below San Gabriel Mountains SW of I -210 freeway, E of Hansen Dam, and N of Wentworth St. 351 Comment
  UCR95508  Gnaphalium luteoalbum L. C. Wheeler 1967-5-8 9315 Los Angeles San Gabriel Mtns., Foothills NW of Saugus 381 Comment
  RSA198837  Gnaphalium luteoalbum R. F. Thorne, D. Propst 1968-5-28 37680 Los Angeles Santa Catalina Island: on delta above second (lower) reservoir in upper Bulrush canyon 335 Comment
  RSA678432  Gnaphalium microcephalum Mark Elvin, Orlando Mistretta, Jennifer Stone 1996-3-23 117 Los Angeles San Clemente Island 53 Comment
  POM358861  Gnaphalium microcephalum Louis Greata 1900-9-16 s.n. Los Angeles Los Angeles. Comment
  RSA250356  Gnaphalium palustre R. F. Thorne, C. W. Tilforth, John Dourley, R. Scogin 1972-8-11 42220 Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Waterman, along trail above upper end of ski lift. 2378 Comment
  RSA187798  Gnaphalium palustre R. F. Thorne 1966-9-16 36711 Los Angeles Near Hay Press Reservoir, Santa Catalina Island. 412 Comment
  RSA91695  Gnaphalium palustre F. W. Peirson 1315 Los Angeles Sink at Inglewood. Comment
  UCR228416  Goodmania luteola Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 8004 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, ca. 100 m SSE of jct with Sierra Highway and Avenue B 703 Comment
  JEPS59822  Grayia spinosa Frank W. Peirson 1921-5-19 1832 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 975 Comment
  UCR198323  Grevillea robusta Christopher Vellema 2001-1-19 101 Los Angeles Verdugo Mtns, Glendale, Pomeroy Canyon, along side fire road next to creek 341 Comment
  LA32029  Grindelia camporum Peter H. Raven; Henry J. Thompson 1959-6-4 14344 Los Angeles SANTA MONICA MOUNTAINS, Point Dume 3 Comment
  RSA293510  Grindelia camporum var. bracteosa C. W. Tilforth, Walter Wisura 1979-6-13 1812 Los Angeles Johnstons pasture, hills above Claraboya, north of Pomona Comment
  UCD150951  Grindelia hirsutula D. S. Park 2010-4-26 36 Los Angeles Ranch Santa Ana Botanic Garden 360 Comment
  RSA430026  Guillenia lasiophylla Donald R. Bissing 1973-6-2 142 Los Angeles Evey Canyon on road bank 0.3 mile from canyon mouth 720 Comment
  POM8694  Guillenia lasiophylla P. A. Munz, Harwood 1920-3-13 3316 Los Angeles San Jose Hills, 0.5 mi [?] Pomona. 305 Comment
  UC1118600  Gutierrezia californica A. D. Gifford 1935-1-22 420 Los Angeles 3.7 mi s Red Mountain (in Charlie Canyon); Tejon Quad. 609 Comment
  SBBG62682  Gutierrezia sarothrae R. Hoffmann 1928-7-9 Los Angeles lower Bouquet Cyn Comment
  UC1118616  Gutierrezia sarothrae J. Horton 1937-7-17 485 Los Angeles San Dimas Wash San Dimas Experimental Forest, Pomona Quadrangle Comment
  UC450852  Gutierrezia sarothrae Fay A. Macfadden 1931-7-8 3081 Los Angeles Pacoima Canyon San Fernando Valley Comment
  CAS-BOT-BC282860  Hainardia cylindrica Steven A. Junak 1985-5-14 SCI- 71 Los Angeles Central portion of island alond main road, roughly midway beween intersection with road to Lemon Tank and intersection with road to Peak 1603 and Field Station at Cemera Pad Stone, San Clemente Island 381 Comment
  UCR71595  Haplopappus canus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4308 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  UCR126836  Haplopappus venetus A. C. Sanders, Mark A. Elvin 2002-8-26 25582 Los Angeles Western Transverse Range/Santa Clara River Watershed, Newhall Ranch, San Martinez Grande Canyon, north of Hwy 126, west side of canyon, WNW of Del Valle 335 Comment
  UCR107797  Harpagonella palmeri Steve Boyd, V. Soza 1998-4-28 10158 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  LA105285  Hazardia squarrosa var. grindelioides Barry A. Prigge; 1988-10-8 8365 Los Angeles Santa Susana Mountains, East Canyon, ca 2 mi.SSE of Newhall and from the mouth of the canyon at The Old Road to ca 1/8 mi. up canyon 444 Comment
  SFV20796  Hazardia squarrosa var. grindelioides L. Gross, V. Soza, N. Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. A short walking distance from road in a northwest facing draw, east of saddle near above coordinates. 610 Comment
  OBI43727  Hedera helix A. C. Sanders 1986-7-30 6802 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., east of Vista Del Mar Blvd. 30 Comment
  RSA5261  Helenium puberulum C. B. Wolf 1932-9-16 4088 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA441792  Helianthemum scoparium var. vulgare Anstruther Davidson 1889-09 s.n. Los Angeles E. Los Angeles Comment
  CAS-BOT-BC305425  Helianthus annuus Edgar A. Anderson 1943-8-22 s.n. Los Angeles Pasadena Comment
  LA30851  Helianthus gracilentus Peter H. Raven; Jane Turner, Barbara Whitesel 1959-2-23 C- 132 Los Angeles Santa Monica Mountains, Latigo Canyon Comment
  UC1069467  Helianthus gracilentus Jerome S. Horton 1935-7-18 220 Los Angeles Pomona Quadrangle, Big Dalton Canyon Lake Comment
  UC1953168  Helianthus inexpectatus Mark Elvin with Julie Vanderwier 2002-8-12 2124 Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. Comment
  CAS-BOT-BC305883  Helminthotheca echioides Peter H. Raven; Henry J. Thompson 1959-9-18 14437 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W.). Santa Monica Boulevard near Beverly Glen Boulevard, West Los Angeles 76 Comment
  RSA14721  Hemizonia australis C. B. Wolf 1934-8-16 6051 Los Angeles Bryant Ranch east of Long Beach. 4 Comment
  CDA7035  Hemizonia fasciculata T. C. Fuller 1962-6-7 8876 Los Angeles Road to Brea, Puente Hills, ca. 3 miles southwest of Pomona. 0 Comment
  UCR199059  Hemizonia parryi subsp. australis Matt Malle 2008-10-8 s.n. Los Angeles South Coast; Los Angeles Basin Region, Torrance, triangular parcel on west side of Crenshaw Blvd, between W. 208th St. and Dominguez St., south of Dow Chemical facility, c. 1.6 m. (air) south of 405 Fwy 21 Comment
  RSA527620  Hesperocnide tenella Steve D. Boyd 1990-4-8 4405 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA92870  Hesperocnide tenella F. W. Peirson 1921-2-26 2356 Los Angeles Topango Canyon Divide. 488 Comment
  SFV4904  Hesperolinon micranthum M. H. Grayum 1971-5-19 s. n. Los Angeles Santa Monica Mountains Along Cold Creek Road just north of Monte Nido. 274 Comment
  CAS-BOT-BC135944  Hesperoyucca whipplei Marcus E. Jones 1926-6-7 s.n. Los Angeles Ridge Route Comment
  SEINET5778845 Image available Hesperoyucca whipplei Marcus E. Jones 1882-1 Los Angeles Pasadena Comment
  POM141327  Heteromeles arbutifolia C. F. Baker 1903-8-2 6517 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA449826  Heteromeles arbutifolia Fordyce Griffiths Jr. 1910-06 2087 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  UC620094  Heteromeles arbutifolia F. R. Fosberg 1931-5-21 S 4957 Los Angeles Santa Catalina Island; Cherry Valley 20 Comment
  UC860400  Heteromeles arbutifolia Carl B. Wolf 1932-10-6 Los Angeles w side Avalon; Santa Catalina Island 91 Comment
  UCR219280  Heteromeles arbutifolia Jonas A. Winbolt, Rocky Brown 2010-8-20 010 Los Angeles Western Transverse Range, south of Santa Clarita, north side of Hwy I-5 and the Old Road, southeast of trailer park along powerline corridor 956 Comment
  RSA0074540  Heterotheca fastigiata L. C. Wheeler 1932-9-11 1372 Los Angeles Thompson Wash, 2 miles NE La Verne. 373 Comment
  LA37426  Heterotheca grandiflora Elizabeth McClintock; 1943-9-10 sn Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  CAS-BOT-BC318858  Heterotheca grandiflora W. R. Dudley 1895-1-4 s.n. Los Angeles San Pedro Harbor Comment
  POM21366  Heterotheca sessiliflora subsp. echioides Fordyce Grinnell Jr 1917-8-29 s.n. Los Angeles San Gabriel Mtns Comment
  CHSC95441  Heterotheca sessiliflora subsp. fastigiata LeRoy Gross 2001-11-10 453 Los Angeles Los Angeles Basin region: Verdugo Mountains, north side. Off the 210 freeway east bound La Tuna Canyon Road exit opposite this exit is a road that starts out paved. (Hostetter Mountainway) follow this road that parallels the freeway east till a dirt road forks off on the right (southeast). Don't take the road that forks off to the right, stay parallel with the freeway a short distance. 457 Comment
  UC1577652  Heterotheca sessiliflora subsp. fastigiata Jerome S. Horton 1935-9-20 237 Los Angeles near C.C.C. Camp; Pomona Quad., Dalton Canyon Wash 304 Comment
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Sep 22 2020
  UCR269180  Heterotheca sessiliflora subsp. fastigiata Duncan S. Bell, Caitlin Elam 2013-8-1 5574 Los Angeles Transverse Range; San Gabriel Mountains, Sheep Mountain Wilderness, south side of Prairie Fork, Pine Mountain Ridge, above Lupine Campground area and below Columbine Spring 2031 Comment
  UC212558  Heuchera abramsii I. M. Johnston 1917-7-4 1417 Los Angeles Summit of Baldy; San Antonio Mountains 3048 Comment
  UC1971145  Heuchera caespitosa Scott D. White, D. E. Bramlet 1998-8-11 7038 Los Angeles West of Mt. Islip: just above eastern boundary of San Gabriel Wilderness. Ca. 4-mi closed section of Hwy. 39 from ca. 1.6 mi W of junction Crystal Lk. access rd. to junction Hwy. 2. USGS Crystal Lake 7 1/2' Quad. Comment
  UCR238650  Heuchera caespitosa Anuja Parikh, Nathan Gale 2010-6-29 3370 Los Angeles Transverse Range; San Gabriel Mountains, upper Glen Canyon, 0.5 km north of Monrovia Peak, just south of Rincon Red Box Road, under powerlines 1460 Comment
  RSA0062940  Heuchera elegans Scott D. White, Dave Bramlet 1998-6-29 6807 Los Angeles North of Mt. Islip: Cortelyou Spring, S of Hwy 2 just east of jtn. Hwy. 39. 2043 Comment
  RSA630256  Holodiscus microphyllus Scott D. White, David E. Bramlet 1998-8-11 7039 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  UCR190041  Holodiscus microphyllus R. G. Swinney 1998-10-3 7002 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
  RSA0117863  Hordeum murinum Robert L. Benson 1960-5-19 49 Los Angeles Blanchard Park. [Pomona College.] Claremont. 365 Comment
  UCR220224  Hordeum murinum R. G. Swinney 2009-4-7 10281 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte, under 2nd span from west 184 Comment
  RSA593890  Hordeum murinum subsp. glaucum Steve Boyd 1996-4-25 8671 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  POM352468  Hordeum murinum subsp. leporinum H. L. Bauer 1929-3-20 s.n. Los Angeles Long Beach. Comment
  CAS-BOT-BC537279  Horkelia cuneata var. cuneata L. R. Abraham 1901-4-1 1237 Los Angeles Ballena Harbor Comment
  CAS-BOT-BC532279  Horkelia cuneata var. puberula I. M. Johnston 1918-4-14 1887 Los Angeles Southern California, Deer Canyon Wash near Etiwanda 365 Comment
  CAS-BOT-BC532290  Horkelia cuneata var. puberula Le Roy Abrams 1901-7-1 14231910 Los Angeles Claremont Comment
  RSA229054  Horkelia rydbergii Robert F. Thorne, C. W. Tilforth 1971-6-30 40790 a Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  RSA453776  Hydrocotyle verticillata Anstruther Davidson s.n. Los Angeles Malibu Creek. Comment
  RSA584314  Hymenoclea salsola Timothy S. Ross, Steve Boyd 1991-3-23 4245 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development). 851 Comment
  RSA670652  Hymenoclea salsola B. C. Templeton, H. J. Andrews 1938-3-22 1687 Los Angeles Shoemaker Canyon. Comment
  RSA80698  Hypericum formosum var. scouleri F. W. Peirson 1907-7-9 2072 Los Angeles Pine Flats Comment
  RSA91275  Isocoma menziesii var. vernonioides F. W. Peirson 1924-10-19 5227 Los Angeles Clearwater. Comment
  RSA766855  Isolepis cernua Justin M. Wood 2009-9-9 1288 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  UCR209526  Ivesia santolinoides R. G. Swinney 2008-7-3 9161 Los Angeles San Gabriel Mtns., Pallet Mountain, 0.5 mi. east of Burkhart Saddle, 5 miles north of Buckhorn Flat Camp 2345 Comment
  POM361341  Jaumea carnosa George R. Johnstone 1929-7-12 s.n. Los Angeles Playa del Rey. Comment
  RSA771949  Jepsonia malvifolia R. F. Thorne 1968-2-24 37918 Los Angeles Santa Catalina Island. Blue Cavern Point. Comment
  JEPS46456  Juglans californica Miss Harriet Smith 1907-1 Los Angeles Azusa Comment
  CAS-BOT-BC168646  Juglans hindsii A. C. Sanders; R. E. Riefner, Jr. 2009-8-18 37166 Los Angeles San Gabriel Valley: Arroyo Hondo, near the shooting range, 0.42 mi. due W of Rosemead Blvd., 0.26 mi. due S of Hwy 60 64 Comment
  CAS-BOT-BC478180  Juglans hindsii R. E. Jr. Riefner 2015-7-26 15 -213 Los Angeles Los Angeles, W side of Riverside Drive, vicinity of Stadium Way, W of I-5 Freeway 121 Comment
  UCR223383  Juncus R. G. Swinney 2009-5-27 10887 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
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Dec 7 2018
  RSA593557  Juncus acutus subsp. leopoldii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8920 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon, entering the narrower portion of the [floodplain?] 500 Comment
  UCSB58945  Juncus acutus subsp. leopoldii Mitchell, Don 1991-6-5 Los Angeles Castaic Lagoon-previously recorded location; north shore Comment
  SBBG57244  Juncus balticus R. Hoffmann 1927-6-14 Los Angeles Gorman Comment
  RSA729089  Juncus balticus subsp. ater R. G. Swinney 1999-6-30 7466 Los Angeles San Gabriel Mtns.: upper Boneyard Canyon c. 300 m south of Camp Jubilee Rd. intersection, Pinon Hills 1463 Comment
  RSA750208  Juncus balticus subsp. ater R. G. Swinney 2005-7-21 8316 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, Mike Booth property 1216 Comment
  POM7125  Juncus bufonius L. T. Street, G. Williams 1919-4-12 2504 Los Angeles Puente [now La Puente]. Comment
  UCR130144  Juncus covillei var. obtusatus F. R. Fosberg, Joseph A. Ewan 1931-8-12 00790 Los Angeles San Gabriel Mtns., Little Jimmy Spring, Windy Camp, north slope of Mt. Islip 2300 Comment
  RSA600729  Juncus ensifolius L. C. Wheeler 1954-9-1 7088 -C Los Angeles San Gabriel Mountains; Little Rock Creek at Buckhorn. Comment
  POM1554  Juncus mexicanus I. M. Johnston 1917-4-11 s.n. Los Angeles Wilmington. Comment
  UCR111686  Juncus tiehmii L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mtns., Mill Canyon 732 Comment
  UCR95221  Juniperus californica L. C. Wheeler 1960-4-29 07683 Los Angeles San Gabriel Mtns. (NW), 0.5 mi NE of Kentucky Springs, east of Acton. Comment
  UCSB215  Juniperus californica Ralph, F. 1959-7-18 Los Angeles On U.S. 99, 9.6 miles south of its jct. with Calif. 138 762 Comment
  UCD133797  Juniperus occidentalis T. I. Storer 1923-3-19 342 Los Angeles Near Fairmont. Comment
  POM147959  Keckiella cordifolia Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA725647  Keckiella cordifolia Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 422 Los Angeles Santa Catalina Island. Lower road above Cherry Cove just N of fourth of July Cove. 45 Comment
  RSA79782  Keckiella cordifolia F. W. Peirson 1924-6-16 4748 Los Angeles Kineloa Road, Eaton Canyon foothills, San Gabriel Mountains. Comment
  RSA0113212  Keckiella cordifolia Steven A. Junak 2000-5-19 SCa- 1321 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. 229 Comment
  SEINET12269337  Keckiella cordifolia J. F. Bright, Wyman, C. 1931-1 5670 A Los Angeles out of Hollywood Comment
  NY790439  Keckiella ternata subsp. ternata A. J. McClatchie 1893-6-28 s.n. Los Angeles Mt. Lowe, near Altadena Comment
  RSA295267  Keckiella ternata subsp. ternata R. S. Woglum 1937-7-17 842 Los Angeles Soldier Creek, upper San Gabriel River Canyon. 1372 Comment
  UCR242043  Kickxia spuria Dan S. Cooper 2012-7-12 712- 1 Los Angeles South Coast, Playa Vista 27 Comment
  CAS-BOT-BC176830  Kochia californica Ernest C. Twisselmann 1970-10-17 17552 Los Angeles Antelope Valley: Avenue C 0.6 mile east of (old) Highway 14 (wastelands at the west shore of Rosamond Dry Lake) 716 Comment
  CAS-BOT-BC271346  Koeleria pyramidata Timothy S. Ross; Steve Boyd 1994-5-24 7848 Los Angeles North slopes draining toward Elizabeth Lake, south slopes otward Green Valley, northeast summit of Grass Mountain, Liebre Mountains 1389 Comment
  UC1076474  Krascheninnikovia lanata Herbert L. Mason 1930-4-20 5591 Los Angeles hills in the Rock Creek region Mohave Desert, Rock Creek region Comment
  UCR99482  Krascheninnikovia lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mtns., S base of Sierra Pelona ridge, east of Crown Valley and NW of Acton Canyon, just north of Sierra Highway c. 0.8 mi. east of Crown Valley Road. 927 Comment
  CAS-BOT-BC273832  Lamarckia aurea Marcus E. Jones 1882-5-1 3214 Los Angeles Los Angeles Comment
  CATA3218  Lamarckia aurea Julie L. King 2016-11-30 37 Los Angeles Santa Catalina Island: North side of Quarry Haul Rd., about 0.6 road miles from SE junction with Empire Landing Rd. 134 Comment
  UCR197126  Lamium amplexicaule LeRoy Gross 2007-3-12 2597 Los Angeles Transverse Ranges; Verdugo Mountains, base of northern side of the range, behind the Foothill Athletic Club at the southern end of Lowell Avenue 468 Comment
  UCR54487  Lampranthus tenuifolius A. C. Sanders 1987-7-22 7169 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  SEINET5512236  Langloisia matthewsii E A Carl 1964-1 Los Angeles Palmdale Blvd between 100th & 150th Streets W near Palmdale. Drainage area: Antelope Valley 792 Comment
  RSA0035636  Lantana montevidensis Phil Elliott 1981-2-26 20 Los Angeles Cal Poly Pomona, 50 feet north of bldg. 3. Comment
  RSA250616  Larrea tridentata J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39552 Los Angeles Ca. 2.5 mi. S of Pearblossom, 1/2 mi. S of junction of Valyermo-Littlerock and Pearblossom-Punchbowl roads in San Andrea Rift Zone. 1128 Comment
  RSA594350  Larrea tridentata Steve D. Boyd, Lauren Raz 1996-10-14 9057 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  CDA7533  Lasiospermum bipinnatum T. S. Ross, Steve Boyd, S. Carlquist 1992-5-26 6427 Los Angeles Just south of the intersection of Mills Avenue x Mt. Baldy Road, Northern Claremont. Comment
  RSA612075  Lastarriaea coriacea Valerie L. Soza 1998-4-26 64 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
  UCR276787  Lastarriaea coriacea R. G. Swinney 2011-3-29 14271 A Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  SBBG124886  Lastarriaea coriacea R. Burgess, C. Davis, B. Meiners, P. Munro 2000-5-28 3902 Los Angeles Canton Cyn, vicinity of oil pumps, NE of Lake Piru 335 Comment
  UC373332  Lasthenia glabrata subsp. coulteri Marcus E. Jones 1882-5-1 Los Angeles Pasadena Comment
  JEPS10022  Lasthenia gracilis W. L. Jepson 1920-5-3 8927 a Los Angeles gravelly flats near San Fernando Comment
  UCR214048  Lasthenia gracilis A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37972 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  UC90006  Lasthenia gracilis J. C. Nevin Los Angeles San Clemente Comment
  UCD133830  Lasthenia gracilis M. Vincent 1963-5-7 349 Los Angeles Santa Susana Valley, 3 miles west of Simi, beside the railroad tracks. 292 Comment
  SD69639  Lathyrus tingitanus Robert F. Thorne 1966-6-1 36461 Los Angeles Santa Catalina Island, on dry north-facing bluff along Pebbly Beach Drive SE of Avalon 7 Comment
  RSA405706  Lathyrus vestitus subsp. laetiflorus M. B. Dunkle 1936-3-28 4710 Los Angeles Santa Catalina Island, Silverado Canyon. Comment
  POM1806  Lathyrus vestitus subsp. laevicarpus D. L. Crawford, Otis Hiatt 1910-3-29 s.n. Los Angeles Santa Monica Mountains. Comment
  UCSB3107  Lathyrus vestitus var. alefeldii Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena 243 Comment
  RSA651404  Lathyrus vestitus var. vestitus Marion P. Harthill 1972-4-8 s.n. Los Angeles Glendora Mt. Rd. 792 Comment
  SEINET10813325  Layia glandulosa Noel H. Holmgren, Patricia K. Holmgren 1974-4-6 Holmgren 7638 Los Angeles Antelope Valley, 3 airline miles northeast of Threepoint. 914 Comment
  UCR126576  Layia platyglossa A. C. Sanders 2003-4-16 26025 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course 366 Comment
  POM305363  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-23 655 Los Angeles Los Angeles Comment
  POM361675  Layia platyglossa subsp. campestris Anstruther Davidson 1890-3-30 s.n. Los Angeles Foot hills L.A. Comment
  RSA157786  Layia platyglossa subsp. campestris Peter H. Raven 1962-5-8 17596 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 9 Comment
  RSA608635  Layia platyglossa subsp. platyglossa L. C. Wheeler 1931-3-20 s.n. Los Angeles San Dimas: Puddingstone. Comment
  UC2026499  Lemna cyclostasa Louis C. Wheeler 1932-8-28 1301 Los Angeles Puddingstone Dam, San Jose Hills Comment
  POM184687  Lepechinia fragrans Joseph A. Ewan 1932-6-18 7356 Los Angeles Clear Creek Fork of Tujunga Canyon. 915 Comment
  RSA429872  Lepidium flavum George R. Johnstone 1932-4-24 15118 Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  UCSB2364  Lepidium fremontii Wedberg, H. 1957-4-19 Los Angeles 0.5 mi. E. Pearblossom Comment
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Nov 13 2014
  CAS-BOT-BC89536  Lepidium lasiocarpum L. R. Abrams 1899-4-1 s.n. Los Angeles Cuinga Rail Road track. Comment
  CAS-BOT-BC12477  Lepidium nitidum Le Roy Abrams 1899-2-1 245 Los Angeles Inglewood. Comment
  UCR25949  Lepidium pinnatifidum John C. Roos 1956-6-15 s.n. Los Angeles Santa Monica Blvd., along RR tracks between Westwood and Beverly Glen Blvds. 90 Comment
  CAS-BOT-BC60046  Lepidium virginicum var. menziesii F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena. 457 Comment
  RSA708571  Lepidium virginicum var. pubescens Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1157 Los Angeles Ridgetop above McDonald Creek. 457 Comment
  UC311496  Lepidium virginicum var. pubescens Philip A. Munz 1925-4-23 9423 Los Angeles San Gabriel Canyon 304 Comment
  RSA629722  Lepidium virginicum var. virginicum L. C. Wheeler 1947-3-23 6460 Los Angeles San Gabriel Mountians; Kinneloa Canyon. Comment
  CAS-BOT-BC328074  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles San Antonio Mountains. Prairie Fk. of San Gabriel River 1524 Comment
  POM361768  Lepidospartum squamatum L. C. Wheeler 1931-8-23 18 Los Angeles San Gabriel Mountains, San Antonio Canyon 1143 Comment
  SEINET10759271  Lepidospartum squamatum John G. Lemmon 1872-1 Lemmon s.n. Los Angeles Santa Monica, Ca. Comment
  RSA755620  Leptochloa fusca subsp. fascicularis R. G. Swinney 2008-9-9 9326 Los Angeles Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  RSA240651  Leptosiphon breviculus C. W. Tilforth, John Dourley 1973-5-24 812 Los Angeles Bob's Gap, ca. 2 miles NE of Valyermo, north desert slope of San Gabriel Mountains. Comment
  RSA729935  Leptosiphon breviculus R. G. Swinney 1999-6-28 7435 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  UCR271195  Leptosiphon breviculus R. G. Swinney 2011-6-6 14988 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 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
  POM321779  Leptosiphon grandiflorus Esther Gerberding 1972-5-15 38 Los Angeles The wash at Pomona college, Claremont 335 Comment
  RSA469983  Leptosiphon parviflorus Robert L. Dressler 1949-6-18 877 Los Angeles Johnstone Peak, San Gabriel Mts. 854 Comment
  RSA600683  Leptosiphon parviflorus L. C. Wheeler 1936-6-6 4123 Los Angeles San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  RSA251451  Leptosiphon pygmaeus subsp. pygmaeus R. F. Thorne 1966-4-17 36077 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  SD237335  Leptosyne bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles Transverse Range; San Gabriel Mountains: summit of Mt. Emma. 1584 Comment
  SBBG31416  Leptosyne gigantea R. F. Thorne 1966-4-6 35913 Los Angeles old quarry W of Empire Landing 91 Comment
  SBBG92121  Leptosyne gigantea A. C. Sanders 1988-2-3 7594 Los Angeles El Segundo dunes, immediately W of LA International Airport & Pershing Drive, E of Vista Del Mar Blvd [probably introduced] 30 Comment
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Jul 28 2016
  RSA297769  Lessingia glandulifera var. glandulifera Barbara Ertter, Jeffrey L. Strachan 1979-6-29 s.n. Los Angeles N edge of Angeles Nat'l Forest ca 9 air-miles ESE of Pearlblossom, 1.7 mi N of Mile High on County Hwy N4. 1463 Comment
  CAS-BOT-BC339566  Lessingia glandulifera var. peirsonii Steve Boyd; Lauren Raz 1997-5-28 9897 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 938 Comment
  RSA643969  Lewisia rediviva V. W. Steinmann 1996-6-17 917 Los Angeles San Gabriel Mountains, ca. 1 km (by air) southwest of Mt. San Antonio, along Baldy Trail. 2850 Comment
  UC53557  Leymus X multiflorus H. P. Chandler 1902-9-11 2053 Los Angeles Verdugo Canyon Comment
  CAS-BOT-BC283715  Leymus condensatus Peter H. Raven; Henry J. Thompson 1959-6-4 14336 Los Angeles Santa Monica Mountains. Point Dume 30 Comment
  RSA365312  Leymus condensatus Robin S. Collins 1973-5-28 330 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 1098 Comment
  UC1584263  Leymus condensatus Tim Ross and Steve Boyd 1990-6-6 2838 Los Angeles Green Valley Pasture Lake Hughes USGS 7.5' quad, San Francisquito Canyon 926 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
  LA22056  Lilium humboldtii subsp. humboldtii E. Crow; 1930-6-28 sn Los Angeles San Gabriel Mountains, Bichota Canyon Comment
  RSA596374  Lilium humboldtii subsp. ocellatum Timothy S. Ross, Steve Boyd 1995-6-28 8620 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA604148  Lilium parryi Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  RSA68711  Lilium rubescens Frank W. Peirson 3687 Los Angeles Road near Coldwater Canyon, Santa Monica Mts. Comment
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May 5 2010
  RSA0072155  Limonium ramosissimum R. E. Riefner Jr. 2006-1-21 06 -8 Los Angeles City of Long Beach, Belmont Shores, Colorado Lagoon in vicinity of Park Ave. and Colorado St. 6 Comment
  RSA468568  Linanthus androsaceus subsp. luteolus J. H. Holland 1884-5-12 s.n. Los Angeles Near the University. Comment
  UCR27496  Linanthus breviculus John C. Roos 1947-5-3 3654 Los Angeles San Gabriel Mtns, Big Pines 1890 Comment
  LA200752  Linanthus californicus Jonathan Sauer; H. N. Sauer, R. Dix, A. Dix 1969-3-21 4406 Los Angeles Comment
  LA52331  Linanthus californicus Harlan Lewis; 1940-2-24 1074 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Near Saddle Peak. 609 Comment
  RSA468480  Linanthus californicus N. C. Cooper 1945-5-1 2228 Los Angeles Tapia Park, Santa Monica Mountains 762 Comment
  RSA517141  Linanthus californicus T. S. Ross, S. D. Boyd 1990-5-14 2487 Los Angeles Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District 1064 Comment
  RSA468449  Linanthus californicus subsp. glandulosus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA0095267  Linanthus californicus subsp. glandulosus Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 5 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA584901  Linanthus concinnus R. T. Hawke 1992-5-17 s.n. Los Angeles north side of the range at Big Rock Creek. Comment
  UCD118540  Linanthus dichotomus Steve Boyd 1986-3-31 1570 Los Angeles Mojave Desert: Highway 18 about 1 mile E of junction with Highway 138, NE of Pinyon Hills. Comment
  UCR246419  Linanthus liniflorus subsp. pharnaceoides Dan S. Cooper 2011-7-20 711- 97 Los Angeles W Transverse Range/Tehachapi Mtns. Junction, Gorman Ranch, 2.4 km NW of Quail Lake 1137 Comment
  UC1595581  Linanthus parryae W. Wisura, E. Roeder 1992-4-21 4693 Los Angeles near Valyermo (Mountain Brook Ranch) Comment
  RSA0022055  Linum usitatissimum R. G. Swinney 2009-4-13 10324 Los Angeles San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte. 184 Comment
  UC519998  Lithophragma affine Louis C. Wheeler 1932-3-26 533 Los Angeles Puddingstone Dam , Puddingstone Dam (San Jose Hills) 274 Comment
  CAS-BOT-BC432212  Lithophragma bolanderi Timothy S. Ross; Steve Boyd 1994-5-11 7823 Los Angeles Sawmill Mountain: N slope of the W summit area, about headwaters of West Fork Devils Gulch. Burnt Peak 7.5' USGS Quadrangle. 1548 Comment
  SEINET12215919  Lithophragma bolanderi R. F. Thorne, Tilforth, C. W. 1971-1 41524 Los Angeles San Gabriel Mts., Angeles National Forest, San Dimas Canyon 427 Comment
  CAS-BOT-BC60185  Lobularia maritima Peter H. Raven 1959-2-15 13784 Los Angeles Santa Monica Mountains. Beverly Glen Canyon, 2.6 miles north of Sunset Boulevard. 213 Comment
  POM222373  Loeflingia squarrosa L. C. Wheeler 1936-4-21 4095 Los Angeles San Dimas Wash. 366 Comment
  RSA441651  Loeflingia squarrosa George B. Grant 5486 Los Angeles [Unspecified] Comment
  UCR222756  Loeseliastrum matthewsii R. G. Swinney 2009-4-29 10561 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  SBBG116981  Logfia arizonica S. A. Junak with K. Kirkland 2001-4-13 SCa 1432 Los Angeles just S of old rd, on ridgetop overlooking Empire Landing 225 Comment
  RSA0087040  Logfia filaginoides R. G. Swinney 2010-3-13 11880 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  CAS-BOT-BC342202  Logfia filaginoides H. Wedberg 1966-4-3 1183 Los Angeles Above Hill Dr. x Neal, in Eagle Rock 457 Comment
  RSA594589  Lolium perenne L. C. Wheeler 1967-5-7 9293 Los Angeles San Gabriel Mountains. Vicinity of Coulter Reservoir, Sunset Ridge, south of Millard Canyon. 655 Comment
  LA202573  Lomatium dasycarpum Carl Epling; 1926-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA250665  Lomatium dasycarpum subsp. dasycarpum R. F. Thorne 1971-4-2 41423 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  RSA656057  Lomatium dasycarpum subsp. dasycarpum James Henrickson 1985-3-30 19788 Los Angeles Ca. 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
  RSA308994  Lomatium mohavense J. R. Shevock 1976-4-26 5024 Los Angeles Uncommon to occassional along FS trail 10w09 between South Fork Campground and Devils Chair. San Gabriel Mts., Angeles National Forest. 1372 Comment
  RSA703037  Lomatium mohavense Vasu Dev, Barbara Dev 2005-3-16 s.n. Los Angeles ca 0.6 mi South of Acton, along Solidad Canyon Rd. Low East to South-East extending ridge. 820 Comment
  SBBG59785  Lomatium nevadense R. Hoffmann 1930-4-10 Los Angeles between Lancaster and Del Sur, near highway Comment
  RSA0105339  Lomatium nevadense var. parishii R. F. Thorne 1973-5-11 43517 Los Angeles North of Shoemaker Canyon between Mile High and Valyermo. 1341 Comment
  RSA452145  Lomatium vaginatum Robert Gustafson 1978-5-2 891 Los Angeles Off dirt road leading into Hungry Valley 0.2 mile from the junction with the 2-lane paved Peace Valley Rd., west of Gorman 1249 Comment
  CAS-BOT-BC240487  Lonicera hispidula Carl B. Wolf 1932-5-9 3494 Los Angeles Santa Catalina Island. Along road to Renton Mine, about due West of Pebbly Beach 304 Comment
  POM243773  Lonicera hispidula var. vacillans F. R. Fosberg 1931-5-12 S- 4851 Los Angeles Hay Press, Santa Catalina Island. 350 Comment
  UC729547  Lonicera interrupta Carl B. Wolf 1932-9-15 4079 Los Angeles 9 1/2 mi above Saugus (opposite Glenwood's Cafe on Highway); Mint Canyon 457 Comment
  UCR155627  Lonicera interrupta A. C. Sanders 2005-5-11 30139 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons 655 Comment
  RSA670312  Lonicera subspicata Joseph M. Keefe 2001-3-16 31110 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCR260612  Lonicera subspicata R. G. Swinney 2010-8-9 13463 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, 0.3 miles ENE of Camp Sturtevant at heliport 1037 Comment
  RSA535561  Lonicera subspicata var. denudata T. S. Ross 1991-9-2 5909 Los Angeles Santa Monica Mountains; near Mulholland Hwy at Yerba Buena Rd. 473 Comment
  SEINET12320789  Lonicera subspicata var. johnstonii R. A. Schlising 1971-1 2995 Los Angeles 0.8 mi W of Red Box jct to Mt. Wilson, along Angeles Crest Highway (Hwy 2) Comment
  RSA535285  Lotus argophyllus subsp. ornithopus T. S. Ross 1991-5-20 5350 Los Angeles San Clemente Island: north third; middle N fork of un-named drainage that empties to sea just N of Jack Point lighthouse. 152 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
  RSA661088  Lotus argophyllus var. argenteus Orlando Mistretta 1992-4-5 200 Los Angeles Guds, San Clemente Island. Comment
  RSA724429  Lotus argophyllus var. argophyllus K. Dobry 1992-6-14 d- 388 Los Angeles Santa Monica Mts. 3 mi. East of Kanan Rd off Mulholland Hwy along road Comment
  RSA225670  Lotus argophyllus var. argophyllus R. F. Thorne 1971-5-22 39722 Los Angeles Fish Canyon. Comment
  UC1595216  Lotus crassifolius Tim Ross and Peter Fritsch 1990-6-20 3661 A Los Angeles ridgetop between West Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains 1255 Comment
  RSA515122  Lotus dendroideus var. traskiae Aaron Liston, Orlando Mistretta, Loren Rieseberg 1989-4-30 805 -5 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  UC15602  Lotus hamatus Dr. A. Davidson 1891-1 3 Los Angeles Catalina Island Comment
  UC207655  Lotus heermannii Geo. B. Grant Apr 1902 716 Los Angeles Catalina Island Comment
  IRVC28122  Lotus humistratus A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26280 Los Angeles NE side of Castaic Mesa, ca. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch Western San Gabriel Mtns. 396 Comment
  RSA164791  Lotus nevadensis var. davidsonii Wesley O. Griesel 1963-7-11 825 Los Angeles Cloudburst summit 2134 Comment
  RSA406122  Lotus nevadensis var. davidsonii M. B. Dunkle 1933-7-11 3640 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA529151  Lotus nevadensis var. davidsonii T. S. Ross 1991-7-24 5629 Los Angeles ridge NNE of Granite Mountain 1866 Comment
  UCR213782  Lotus nevadensis var. davidsonii Scott D. White, Justin M. Wood 2009-5-6 12682 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  UCR189727  Lotus oblongifolius R. G. Swinney 1998-7-21 6478 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  RSA50636  Lotus oblongifolius var. oblongifolius L. R. Abrams 1900-8-10 18 Los Angeles San Gabriel River Canyon. Comment
  RSA60293  Lotus oblongifolius var. oblongifolius G. R. Campbell 1948-5-13 591 Los Angeles just below fire station, San Dimas Canyon 610 Comment
  UC1586217  Lotus purshianus var. purshianus Tim Ross 1991-8-16 5831 Los Angeles Horse Flats San Gabriel Mountains, Chilao Flat U.S.G.S. 7.5' Quad. 1719 Comment
  UC1922168  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon Near 34deg 13' 36.7'' N 118deg 20' 9.2'' W T2N R14W NE/4, SW/4 sec. 27. Elev. 1600 Feet. Comment
  UC625013  Lotus purshianus var. purshianus F. R. Fosberg 1931-7-11 S 4386 Los Angeles Mouth of Cape Canyon Santa Catalina Island 200 Comment
  SFV1843  Lotus salsuginosus K. A. Wilson 1961-3-1 879 Los Angeles Santa Monica Mountains Mulholland Highway, about 1 mile west of Las Virgenes Road. Steep, rocky slope. 300 Comment
  UC864885  Lotus salsuginosus Ira W. Clokey, B. Templeton 1929-3-1 4517 Los Angeles Mandeville Canyon Santa Monica Canyon 350 Comment
  UCR208285  Lotus salsuginosus Justin M. Wood 2009-4-13 489 Los Angeles San Gabriel Mountains, Foothills above the city of Sierra Madre, 'one carter estates' at the end of Baldwin Ave. 67 Comment
  UC864877  Lotus salsuginosus var. salsuginosus Carl B. Wolf 1932-5-9 Los Angeles 0.5 mi from Avalon (on road to Pebbly Peach); Santa Catalina Island 7 Comment
  RSA406856  Lotus scoparius Gale Sphon 1955-4-12 s.n. Los Angeles Point Dume Comment
  RSA652455  Lotus scoparius A. E. Hersh 1950-6-29 s.n. Los Angeles UCLA campus, Faculty Hill, Westwood Village. 60 Comment
  UCR205643  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37020 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  HSC46492  Lotus scoparius subsp. traskiae M. B. Dunkle 1939-4-6 7285 Los Angeles Mosquito Habor, San Clemente Island Comment
  UCR107830  Lotus scoparius var. brevialatus Anna Christensen 1997-4-2 12 Los Angeles Claremont. Bernard Biological Field Station (Claremont Colleges), NW corner of Mills Ave. and Foothill Blvd., 25 yds from E fence, 200 yds. into N. panhandle region. 412 Comment
  POM19154  Lotus scoparius var. brevialatus P. A. Munz 1923-5-27 6887 Los Angeles Mt. Wilson Comment
  RSA0116316  Lotus scoparius var. scoparius A. C. Sanders 2006-5-16 32349 Los Angeles Tehachapi Mtns. Foothills: off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake. 1015 Comment
  UCR213242  Lotus strigosus Dan S. Cooper 2010-3-29 20100312- 19 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCR276884  Lotus strigosus R. G. Swinney 2011-6-7 15085 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCR68940  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA596450  Lotus strigosus R. G. Swinney 1989-4-25 s.n. Los Angeles in and near glendora wilderness park, Big Dalton Canyon; at junction of Glendora Mountain and Big Dalton Canyon rd. 381 Comment
  UC1349362  Lotus wrangelianus Robert F. Thorne 1966-4-6 35894 Los Angeles ridge between White Cove and Moonstone Cove; Santa Catalina Island 15 Comment
  RSA406358  Lotus wrangelianus Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  UC1601927  Lupinus L. R. Heckard 1985-5-4 6233 Los Angeles s side of Ave E 1 mi e of 10th St. East, ne Lancaster (s of Rosamond Dry Lake); Mojave Desert, s of Rosamond Dry Lake 701 Comment
  SEINET10488424  Lupinus albifrons David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa # 6450 x 7325 (2) Comment
  CAS-BOT-BC201426  Lupinus albifrons var. albifrons Harriet L. Menker 1925-1-1 s.n. Los Angeles Santa Monica Comment
  UCR273169  Lupinus andersonii R. G. Swinney 2011-6-22 15271 Los Angeles San Gabriel Mountains, 1/4 mile north of entrance to Charlton Flat, 8 m west of Angeles Crest Hwy shoulder 1659 Comment
  SBBG13632  Lupinus bicolor P. H. Raven 1962-4-10 17195 Los Angeles summit of Thirst 579 Comment
  UC1922332  Lupinus bicolor Gary Kovnat with LeRoy Gross 2003-2-16 29 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  UCR200033  Lupinus bicolor Valerie Soza, Susan Caplow 2003-4-11 1629 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park vicinity, upper Brand Canyon, alongside Brand Park Motorway, north side of powerline tower 640 Comment
  POM350030  Lupinus bicolor subsp. microphyllus N. C. Cooper 1948-4-21 2702 Los Angeles Littlerock Creek. 762 Comment
  SEINET10484881  Lupinus bicolor subsp. microphyllus Emma Shumway 1903-1 Shumway s.n. Los Angeles Field Comment
  SBBG129041  Lupinus chamissonis J. George, A. S. George 2014-1-15 Los Angeles Redondo Beach, immediately E of intersection of Artesia Blvd and Goodman Ave 33 Comment
  RSA603528  Lupinus concinnus Sara L. Crockett 1997-4-2 643 Los Angeles Santa Catalina Island, third N/S trending ridge on n side of Skull canyon, 0.65 mile up Skull canyon from jct. with Middle Canyon road, 0.25 mile up ridge. 308 Comment
  RSA406962  Lupinus concinnus var. concinnus F. R. Fosberg 1931-3-26 S- 4385 Los Angeles W Hamilton Canyon, Santa Catalina Island. 80 Comment
  CAS-BOT-BC205157  Lupinus elatus I. M. Johnston 1918-7-6 2086 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River 1981 Comment
  RSA264159  Lupinus excubitus var. austromontanus Walter Wisura 1977-6-17 3678 Los Angeles Big Pine to Blue Ridge trail. Comment
  RSA503875  Lupinus excubitus var. austromontanus N. C. Cooper 1948-4-21 2684 Los Angeles Littlerock 762 Comment
  RSA590069  Lupinus excubitus var. austromontanus Orlando Mistretta 1994-3-30 985 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  UC15868  Lupinus formosus J. H. Barber 1892-6-29 213 Los Angeles near Acton; near Acton Comment
  RSA600020  Lupinus formosus var. formosus Steve Boyd, Lauren Raz 1997-5-29 9933 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1098 Comment
  RSA657453  Lupinus formosus var. formosus C. Schapiro 1979-5-27 20 Los Angeles Verdugo Mountains: On fire road at intersection of Linda Vista and Figueroa, North Glendale 762 Comment
  SBBG132166  Lupinus guadalupensis S. A. Junak, B. Collins 1991-4-24 SCI 165 Los Angeles near bottom of Eel Point grade 73 Comment
  SEINET4044523  Lupinus hirsutissimus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UC557770  Lupinus hirsutissimus Nell Murbarger April, 1936 60 Los Angeles e side San Clemente Island; e side San Clemente Island Comment
  UCR280497  Lupinus hirsutissimus R. G. Swinney 2014-6-5 16703 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  LA33934  Lupinus longifolius Peter H. Raven; 1959-5-3 12070 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Drive 0.5 mi E of Beverly Glen Blvd. 380 Comment
  UC1481358  Lupinus longifolius David B. Dunn 1957-5-18 RSA 6226 -6457 Los Angeles Comment
  RSA497244  Lupinus microcarpus var. densiflorus L. C. Wheeler 1967-5-18 9618 Los Angeles Placerita Canyon 518 Comment
  RSA252912  Lupinus microcarpus var. microcarpus R. F. Thorne 1973-5-11 43501 Los Angeles San Gabriel Mountains: near mouth of Big Rock Creek Canyon 1204 Comment
  PASA1672  Lupinus odoratus Stason 1930-5-11 Los Angeles Lovejoy Buttes Comment
  UCSB11874  Lupinus odoratus Haines, Bruce 1962-4-14 Los Angeles At junction of Oasis Road and Palmdale Road, 25 miles west of Victorville 1115 Comment
  SEINET3131618  Lupinus sparsiflorus G. B. Grant 1904-5-10 731 -6173 Los Angeles Pasadena Comment
  RSA591084  Lupinus sparsiflorus subsp. sparsiflorus J. Mark Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10924 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. In and around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  POM7972  Lupinus succulentus Philip A. Munz 1920-3-17 3363 Los Angeles Lone Hill, glendora. 335 Comment
  UCR165245  Lupinus succulentus A. C. Sanders, Helen Kennedy 2005-4-13 29466 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA414317  Lupinus succulentus Chas. Paukey 1897-4-1 s.n. Los Angeles Los Angeles. Comment
  RSA414324  Lupinus succulentus Howard Mullins 1931-3-15 s.n. Los Angeles Chatsworth. Comment
  RSA624469  Lupinus truncatus L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 732 Comment
  UCR50689  Lupinus truncatus Lyman Benson 1945-5-11 11705 Los Angeles San Gabriel Mountains, Canyon below Johnson's Pasture, above Claremont 549 Comment
  RSA008668  Lupinus truncatus Fay A. MacFadden 1930-4-10 1587 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA414386  Lupinus truncatus Richard C. Barkelew 1929-2-15 s.n. Los Angeles El Segundo. Comment
  SBBG118725  Luzula comosa var. laxa L. C. Wheeler 1954-8-31 7062 Los Angeles Cooper Crk, near confluence with Little Rock Crk, Buckhorn Comment
  RSA355900  Lycopersicon esculentum Robert F. Thorne 1975-9-4 47381 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA578209  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Janet Takara, Bob Given, Misty Gray 1994-8-2 8192 Los Angeles Santa Catalina Island. Midway in Swain's Canyon. 95 Comment
  RSA582450  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8202 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-nnamed on topo map) 88 Comment
  RSA597290  Madia elegans subsp. densifolia R. G. Swinney 1994-8-23 3223 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1219 Comment
  CHSC95539  Madia gracilis LeRoy Gross; Naomi Fraga 2002-5-10 538 Los Angeles Transverse Ranges: San Gabriel Mountains Region: (Angeles National Forest road survey of 2002). Upper Monroe Road (2N16), from Camp Oak Grove to Glendora Mountain Road. 476 Comment
  POM4966  Madia gracilis I. M. Johnston 1917-7-1 1438 Los Angeles Evey Canyon 915 Comment
  UCR23599  Malacothamnus davidsonii John C. Roos 1942-3-7 1001 Los Angeles San Gabriel Mtns., Big Tujunga Canyon 457 Comment
  POM2947  Malacothamnus fasciculatus M. Hitchcock 1918-7-3 25 Los Angeles San Fernando Side of Topango [Topanga] Canyon Road. Comment
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May 29 2014
  RSA433295  Malacothamnus fasciculatus F. R. Fosberg 1931-7-14 S- 5406 Los Angeles Whites Landing, Santa Catalina Island. 5 Comment
  RSA433323  Malacothamnus fasciculatus Holly C. Forbes 1932-7-17 15578 Los Angeles Lytle Creek Canon. Comment
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Dec 22 2013
  UC18793  Malacothamnus fasciculatus Le Roy Abrams 1902-7-5 1558 Los Angeles Azusa Comment
  UC871575  Malacothamnus fasciculatus var. fasciculatus Ira W. Clokey, B. Templeton Jul 1929 4593 Los Angeles Mandeville Canyon; Santa Monica Mtns, Mandeville Canyon 200 Comment
  RSA659878  Malacothamnus fremontii Orlando Mistretta 1992-8-20 771 Los Angeles Transverse Ranges; San Gabriel Mtns Region: Mt Gleason. Tujunga Ranger District. Comment
  RSA0105018  Malacothrix clevelandii R. G. Swinney 2011-6-22 15276 Los Angeles San Gabriel Mountains: Charlton Flat Picnic Area, along East Fork Alder Creek, 0.2 miles west of Angeles Crest Hwy. 1598 Comment
  SD232192  Malacothrix clevelandii Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9602 Los Angeles Liebre Mts: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 395 Comment
  UCR205582  Malacothrix clevelandii R. G. Swinney 2008-5-12 8826 Los Angeles San Gabriel Mtns., east fork of Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. south of Big Rock Creek Rd. 1271 Comment
  RSA589249  Malacothrix coulteri Timothy S. Ross 1991-4-28 4745 Los Angeles Adobe Mountain, southwesterly extension of the mountain 927 Comment
  SBBG12556  Malacothrix foliosa subsp. foliosa P. H. Raven 1962-4-11 17279 Los Angeles due W of Wall 2 9 Comment
  POM156278  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1902-6-20 2568 Los Angeles Ballona marshes near Mesmer. Comment
  POM50122  Malacothrix saxatilis var. tenuifolia L. W. Nuttall 1921-1-14 1010 Los Angeles Avalon Canyon Comment
  RSA225981  Malacothrix saxatilis var. tenuifolia R. F. Thorne, A. C. Gibson 1971-5-22 39754 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  RSA358189  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1973-09 44722 Los Angeles Santa Catalina Island. Blue Cavern Point Comment
  SBBG31294  Malacothrix saxatilis var. tenuifolia R. F. Thorne 1966-6-1 36469 Los Angeles Pebbly Beach Rd, SE of Avalon 7 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
  RSA362402  Malacothrix sonchoides Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster Comment
  UCR232381  Malcolmia africana Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8007 Los Angeles Mojave Desert, Antelope Valley, north of Lancaster, 100 m east of Sierra Highway and 630 m north of Avenue F 703 Comment
  HSC3150  Malosma laurina C. S. Apperson 1967-6-24 Los Angeles 0.5 mi. up Stunt Canyon Rd. off Mullholland Dr., Santa Monica Mtns. Comment
  JEPS66250  Malosma laurina W. L. Jepson 1908-7-13 3049 Los Angeles Santa Catalina, Avalon Comment
  UC869602  Malosma laurina F. R. Fosberg 1931-7-10 S 5373 Los Angeles Eagle's Nest Santa Catalina Isl., Middle Ranch Canyon, Eagle's Nest 180 Comment
  UCSB3623  Malosma laurina Kamb, Peter 1948-1-10 Los Angeles Upper Sonoran Zone; Millards Canyon, San Gabriel Mts. 762 Comment
  RSA0115740  Malosma laurina Steven A. Junak 1999-7-15 SCa- 1022 Los Angeles Santa Catalina Island. Just above Salta Verde Beach. 6 Comment
  SBBG127963  Malva assurgentiflora M. G. Simpson, A. Russell, J. Dunn 2000-7-21 2212 Los Angeles Courage St, across from the Galley 116 Comment
  SD144452  Malva nicaeensis B. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Rd between Orange St & Walnut St, E of Long Beach Blvd Comment
  UCR239967  Manihot R. G. Swinney 2009-11-16 11620 Los Angeles San Gabriel Mountains/San Gabriel Valley, San Gabriel Canyon, Duarte/Azusa, under 2nd span from west of Puente Largo Railway Bridge at 0.5 miles north of Foothill Blvd., E side of El Encanto Parkway 184 Comment
  UCR118960  Marah macrocarpa David Charlton 1989-4-30 2969 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  OBI69391  Marah macrocarpa Suzan Barth, Steven Korenstein 1994-4-2 38 Los Angeles Santa Susana Mts Northridge, Aliso Cyn off Sesnon 100 m from trl head n side 165 Comment
  RSA167065  Marah macrocarpa W. G. Webb 1935-1-25 s.n. Los Angeles Near Glendale Comment
  RSA0055782  Marah macrocarpa var. macrocarpa R. G. Swinney 2010-4-28 12429 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  PASA1164  Marrubium vulgare Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA409815  Marrubium vulgare Erwin Miller 1934-5-1 s.n. Los Angeles Verdugo Woodland Comment
  UC1714362  Marrubium vulgare Carl Clawson Epling 1925-1-10 6422 Los Angeles San Dimas Canyon Comment
  UCR175045  Marrubium vulgare Vanessa Lee 2005-4-10 s.n. Los Angeles San Gabriel Mtns. Foothills, Eaton Canyon Park, Pasadena, north of I-210 off Altadena Dr. 305 Comment
  RSA738062  Marrubium vulgare Fran Dourisboure 1966-5-10 s.n. Los Angeles San Rafael Hills. 213 Comment
  POM11234  Meconella denticulata George B. Grant 1901-05 s.n. Los Angeles Eagle Rock Canon Comment
  SEINET3131628  Medicago apiculata G. B. Grant 1905-5-16 761 -6498 Los Angeles Garvanza Comment
  SD215541  Medicago lupulina Steve Boyd, Lauren Raz 1996-10-29 9110 Los Angeles Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  SBBG127523  Medicago polymorpha M. L. Hoefs, S. A. Junak, K. Kirkland 1998-4-5 2855 Los Angeles by rd to Toyon Beach 313 Comment
  UCR260352  Medicago polymorpha R. G. Swinney 2010-5-4 12547 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  RSA3482  Medicago polymorpha Carl B. Wolf 1932-5-9 3425 Los Angeles Near the Bathhouse Avalon 8 Comment
  UCSB3430  Medicago polymorpha Haller, Norman 1953-3-29 Los Angeles Mulholland Dr., 1 mile West of Sepulveda Blvd., Santa Monica Mts. 457 Comment
  CAS-BOT-BC281530  Melica imperfecta W. R. Dudley 1900-7-9 s.n. Los Angeles San Gabriel Peak Comment
  CHSC118945  Melica imperfecta Duncan S. Bell; Catlin Elam 2013-7-11 5364 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; northeastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1997 Comment
  RSA517125  Melica imperfecta Timothy S. Ross 1990-5-14 2502 Los Angeles SAN GABRIEL MOUNTAINS: Yerba Buenda Ridge, Angeles National Forest, Tujunga Ranger District. 1143 Comment
  RSA747857  Melica imperfecta Scott D. White, Justin M. Wood 2009-5-6 12678 Los Angeles San Gabriel River- West Fork, large fill slope on the S side of Cogswell Reservoir. 793 Comment
  RSA549531  Melica stricta var. albicaulis Timothy S. Ross, Steve Boyd 1990-6-18 3449 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  RSA0083086  Melilotus indicus R. G. Swinney 2010-3-22 12029 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UCR258836  Melilotus indicus R. G. Swinney 2010-3-22 12029 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  RSA648998  Melilotus indicus Scott Lowe 1991-5-7 12 Los Angeles San Gabriel River channel, about 200 m. north of the San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  UCSB3448  Melilotus indicus McElwain, Isabelle 1953-3-29 Los Angeles 500 yds. N. 10000 Bull Canyon Rd. Grenada Hills 457 Comment
  SBBG32086  Mentha R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -227 Los Angeles lower Middle Ranch Cyn crk Comment
  RSA435442  Mentzelia Robert Gustafson, Gary D. Wallace 1982-4-26 2527 Los Angeles Mojave Desert, Fort Tejon Road, about 1 mile W of the junction of 121st St. 1006 Comment
  UCR190357  Mentzelia R. G. Swinney 2001-6-16 7976 Los Angeles San Gabriel Mtns., Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper Hills Rd. 2006 Comment
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Mar 12 2017
  RSA440349  Mentzelia affinis Anstruther Davidson 1908-01 1982 Los Angeles Hollywood. Comment
  UC56425  Mentzelia affinis E. Braunton March 1903 866 Los Angeles Playa Comment
  RSA785479  Mentzelia albicaulis Doris Bowers 1957-4-25 124 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  RSA0057904  Mentzelia laevicaulis Richard G. Swinney 2010-9-7 13696 Los Angeles San Gabriel Mountains: Crystal Lake, within 50 ft of shore line around the entire perimeter. 1683 Comment
  RSA573715  Mentzelia laevicaulis Tim S. Ross 1990-8-17 3127 Los Angeles S side of Blue Ridge, 0.6 mi. E of Vincent Gap along the Angeles Crest Highway (Hwy 2) 2061 Comment
  RSA596041  Mentzelia micrantha Tim S. Ross, J. Mark Porter 1995-5-4 8402 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  RSA733283  Mentzelia montana R. G. Swinney 2001-6-16 7981 Los Angeles Mojave Desert: Juniper Hills, top of Pleasant View Ridge, south of intersection of 104th St. E and Juniper hills Rd. 2006 Comment
  RSA756129  Mentzelia montana Orlando Mistretta, Christine Mistretta 2008-4-21 2517 Los Angeles Southern California Edison transmission line tower (Segment 6, Structure 42 per TRTP Survey 2008), vicinity of Mill Creek. 1425 Comment
  RSA802051  Mentzelia obscura Orlando Mistretta, Kristie Haydu 2011-7-20 5956 Los Angeles Grizzly Flat Road, N of Angeles Crest Hwy, 0.4 air miles W of Hoyt Mountain. 1168 Comment
  CHSC35336  Mentzelia veatchiana James Henrickson 1973-5-12 9589 b Los Angeles 9 miles SW of Little Rock, .2 miles S of Mt Emma Rd., along Hwy N3. 1188 Comment
  UC872432  Mentzelia veatchiana I. W. Clokey, B. C. Templeton 1930-4-8 4657 Los Angeles w Lancaster 400 Comment
  SD264784  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 Sca 1545 Los Angeles Santa Catallina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  POM211196  Microseris heterocarpa L. C. Wheeler 1934-5-1 2578 Los Angeles La Verne 305 Comment
  UCR270931  Microseris lindleyi R. G. Swinney 2011-5-26 14837 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
  PASA329  Microseris linearifolia Sally Ellis 1940-4-16 Los Angeles Evy's canyon, Claremont Comment
  SBBG128620  Microseris sylvatica A. Parikh, N. Gale 2010-4-24 3142 Los Angeles hills ca. 0.75 mi N of Quail Lake, N--facing slope below grassy ridge 1075 Comment
  UCR210120  Mimulus R. G. Swinney 2008-7-24 9344 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  RSA587223  Mimulus androsaceus Orlando Mistretta 1995-4-21 1636 Los Angeles San Gabriel Mtns., Little Rock Creek, Unnamed canyon draining the west slopes of Little Rock Creek Canyon 0.5 mi. N of Kitter Canyon. 1372 Comment
  RSA164779  Mimulus aurantiacus Wesley O. Griesel 1963-7-11 827 Los Angeles State Highway 2 near Horse Flats turnoff, San Gabriel Mountains 1829 Comment
  RSA650916  Mimulus aurantiacus Dolores Perez 1981-5-3 34 Los Angeles Calif. Hwy 39, Crystal Lake Recreation Area. Roadside of lake bank. Comment
  UC1595265  Mimulus aurantiacus var. pubescens Tim Ross, Peter Fritsch 1990-6-20 3615 Los Angeles near Confluence of E and W Forks of the San Gabriel River (mouth of canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC76130  Mimulus aurantiacus var. pubescens Pupils of Los Angeles High School June 1902 Los Angeles near Garvanza Comment
  UCD122365  Mimulus aurantiacus var. pubescens Gerald Dickinson 1962-5-8 34 Los Angeles 3 miles W of Topanga Canyon-Mulholland Dr., Santa Monica Mts. 353 Comment
  UCR223312  Mimulus aurantiacus var. pubescens R. G. Swinney 2009-5-20 10845 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  UCD122449  Mimulus brevipes R. S. Woglum 1930-4-23 s.n. Los Angeles East- Central Los Angeles County: South Glendora. Comment
  RSA0102532  Mimulus cardinalis Richard G. Swinney 2010-9-30 13955 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  RSA420666  Mimulus cardinalis F. R. Fosberg, Joseph A. Ewan 1931-8-12 S- 5571 Los Angeles Little Jimmy Spring, Windy Camp, north slope Mt. Islip, San Gabriel Mountains. 2300 Comment
  RSA702438  Mimulus cardinalis Scott D. White 2004-7-28 10661 Los Angeles San Gabriel Mountains: Clear Creek area. In and around 'The Pines' picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  UCR204832  Mimulus floribundus R. G. Swinney 2005-8-11 8464 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR223791  Mimulus floribundus R. G. Swinney 2009-8-25 11480 Los Angeles Transverse Range; San Gabriel Mtns., Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. 2061 Comment
  UCR87229  Mimulus floribundus R. G. Swinney 1992-7-3 1810 Los Angeles San Gabriel Mtns, Glendora, Little Dalton Debris Basin 366 Comment
  RSA228980  Mimulus floribundus Robert F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38862 Los Angeles San Gabriel Mountains, Angeles National Forest: slope above Angeles Crest Highway at headwater of South Fork Big Rock Creek, ca. 1.7 miles south of Dawson Saddle 2317 Comment
  RSA646132  Mimulus fremontii Orlando Mistretta 1993-5-10 837 Los Angeles San Gabriel Mountains: Big Pines Highway. 1326 Comment
  LA2461  Mimulus guttatus Frank W. Peirson; 1921-6-21 2461 Los Angeles San Gabriel Mountains, Groverland Canyon, W fork San Gabriel River 883 Comment
  LA35215  Mimulus guttatus Mary V. Hood; 1939-4-28 39- 20 -k* Los Angeles near Gorman Comment
  SEINET12269864  Mimulus guttatus J. F. Bright, Wyman, C. 1933-1 8381 Los Angeles Boquet Canyon Comment
  HSC90940  Mimulus johnstonii D. M. Thompson 1986-6-7 494 Los Angeles 3.0 mi. SE of Valyermo-Big Pines road along Big Rock Creek Rd., NE side of road 1390 Comment
  UC1409079  Mimulus johnstonii R. F. Thorne, C. W. Tilforth, J. Dourley, and R. Scogin 1972-8-11 42199 Los Angeles near Three Points (along Angeles Crest Hwy.); San Gabriel Mts., Angeles National Forest 1828 Comment
  RSA0021969  Mimulus moschatus Duncan S. Bell, Caitlin Elam 2013-6-24 5281 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  JEPS10610  Mimulus pilosus Frank W. Peirson 1918-10-16 269 Los Angeles Pacoima Canyon San Gabriel Mountains 548 Comment
  SFV8249  Mimulus pilosus T. Gordon, K. Kimbrough, M. H. Grayum 1976-6-25 1605 Los Angeles San Gabriel Mountains Chilao Flat, along Chilao Creek. 1570 Comment
  UCR140959  Mimulus pilosus June Latting 1973-6-10 s.n. Los Angeles San Gabriel Mountains, South Fork, Big Rock Creek 1402 Comment
  RSA599276  Minuartia douglasii Steve Boyd, Lauren Raz 1997-3-31 9412 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
  RSA748799  Minuartia nuttallii subsp. gracilis R. G. Swinney 2001-8-9 8012 Los Angeles east peak on Pleasant View Ridge 2504 Comment
  PASA600  Mirabilis californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA0026045  Mirabilis jalapa R. G. Swinney 2008-12-2 9929 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  POM305306  Mirabilis laevis var. crassifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-22 626 Los Angeles Santa Susana Pass 293 Comment
  SD69362  Mirabilis laevis var. crassifolia Robert F. Thorne, P. Everett 1965-5-10 34451 Los Angeles Santa Catalina Island, Cape Canyon. Comment
  UCD98145  Mirabilis laevis var. crassifolia Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the west end of the San Fernando Valley. 365 Comment
  RSA464669  Mirabilis laevis var. crassifolia Robert M. Perkins 1936-4-26 148 Los Angeles Santa Monica Mountains. Comment
  SEINET8544931  Mirabilis laevis var. crassifolia G. B. Grant 1904-4-16 791 Los Angeles Los Angeles. Comment
  UC25470  Monardella Harvey M. Hall 1896-8-6 297 Los Angeles 12 mi w Cajon Pass; San Antonio Mt. 2133 Comment
  UC1124620  Monardella breweri subsp. glandulifera Jerome S. Horton 1936-8-12 378 Los Angeles Brown's Flat Cucamonga Quadrangle Comment
  OBI81424  Monardella hypoleuca subsp. hypoleuca Mark A. Elvin, Adam Clause 2008-5-30 5972 Los Angeles Transverse Range; Santa Monica Mtns.; Santa Ynez Canyon, c. 300 m north of Ver de La Montura Rd. Comment
  RSA530071  Monardella lanceolata Tim S. Ross 1991-8-16 5851 Los Angeles San Gabriel Mountains, Horse Flats. 1713 Comment
  POM211787  Monardella viridis subsp. saxicola Louis C. Wheeler 1933-8-14 2081 Los Angeles San Dimas Canyon. 640 Comment
  CAS-BOT-BC349492  Monolopia lanceolata LeRoy Abrams 1903-3-14 3142 Los Angeles San Pedro Hills, near Rocky Point Comment
  SFV20712  Monolopia lanceolata T. Sagar 2004-3-15 32 Los Angeles Santa Monica Mountains Cornell Road at Paramount Ranch, near Medea Creek. 275 Comment
  UCR193147  Muhlenbergia californica R. G. Swinney 1998-8-10 6729 Los Angeles San Gabriel Mtns., Cattle Canyon, west of (downstream from) Thompson Flat 732 Comment
  UCR194258  Muhlenbergia californica R. G. Swinney 1998-8-5 6648 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1235 Comment
  RSA377599  Muilla maritima Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  UCR209491  Muilla maritima R. G. Swinney 2008-6-17 9039 Los Angeles San Gabriel Mountains, Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1952 Comment
  SBBG13253  Munzothamnus blairii M. A. Piehl 1962-6-10 62398 Los Angeles hanging on vertical cliff of cyn E of Thirst 304 Comment
  SBBG106251  Myoporum laetum S. A. Junak 1981-7-31 SCl 53 Los Angeles rd to fuel dock pier at Dolphin Bay 30 Comment
  UCR124679  Nama demissa B. C. Templeton, I. W. Clokey 1930-4-8 1039 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  UC1563059  Nama hispida var. spathulata Steve Boyd and Orlando Mistretta 1986-3-31 1562 Los Angeles 4 mi e Highway 138 junction with Highway 18 (ne of Pinyon Hills); Mojave Desert Comment
  PASA2105  Nama rothrockii Frank W. Peirson 1930-7-7 Los Angeles Arrastre Flat, San Bernardino Mts. 2285 Comment
  RSA484130  Nassella cernua Edith A. Purer 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  POM484104  Nassella lepida Robert M. Perkins 1936-4-20 134 Los Angeles Road to Malibu Lake. Comment
  RSA177747  Nassella lepida R. F. Thorne, P. Everett 1965-5-11 34530 Los Angeles Near Ballast Point, E side of Catalina Harbor, Santa Catalina Island 46 Comment
  SEINET270252  Nassella lepida Scott D. White, AC Sanders 1995-4-27 2958 Los Angeles Upslope from Winter Canyon near Pepperdine University; North of Pacific Coast Highway East of Malibu Canyon Road Sout 91 Comment
  RSA577547  Nassella pulchra L. C. Wheeler 1936-6-6 4116 Los Angeles E side San Dimas Canyon near dam, San Gabriel Mountains. 457 Comment
  SEINET4056823  Nassella pulchra R. Moran 1941-1 570 Los Angeles West end of ravine, Middle Ranch, San Clemente Island. 500 Comment
  RSA600542  Nasturtium officinale Steve Boyd, Lauren Raz 1997-5-28 9858 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCD48404  Navarretia hamata Robert F. Thorne 1966-4-6 35914 Los Angeles Santa Catalina Island: dry, rocky slopes of old quarry W of Empire Landing. 91 Comment
  UCR177760  Navarretia hamata subsp. hamata LeRoy Gross, Naomi Fraga, B. Hogshead, Aydee Virgen 2003-6-19 1074 Los Angeles Transverse Ranges; Verdugo Mountains region, North side of mountains: South of Hostetter Motorway (On the thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  RSA468365  Navarretia prostrata Edwin Kline 1896-1 s.n. Los Angeles Los Angeles Comment
  RSA670111  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Los Angeles, north of Gardena, Rosecrans Ave. just west of its junction with Western Ave. Comment
  RSA776556  Nemacladus pinnatifidus Orlando Mistretta, Christine Mistretta 2010-6-15 5313 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  RSA598590  Nemacladus ramosissimus L. C. Wheeler 1967-5-24 9730 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  RSA599690  Nemacladus ramosissimus Steve Boyd, Lauren Raz 1997-5-6 9709 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA230705  Nemacladus rubescens R. F. Thorne, M. Z. Thorne 1969-7-9 38571 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  UCR222835  Nemacladus sigmoideus R. G. Swinney 2009-4-29 10596 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  UC1426018  Nemophila menziesii Donald R. Bissing 1973-3-29 32 Los Angeles Evey Canyon San Gabriel Mountains, Evey Canyon (0.3 mi from mouth canyon, San Gabriel Mountains) 713 Comment
  UC24211  Nemophila menziesii State Survey 216 Los Angeles Sta. Susanna Mts. Comment
  RSA421379  Nemophila menziesii var. integrifolia J. Aug. Kusche 1929-4-14 s.n. Los Angeles Little Rock, Mohave Desert. Comment
  POM184665  Nemophila menziesii var. integrifolia Joseph A. Ewan 1932-5-29 7188 Los Angeles Ridge east of Mount Gleason 1524 Comment
  RSA75883  Nemophila menziesii var. integrifolia F. W. Peirson 1921-6-13 2738 Los Angeles Ranger s cabin, west fork of San Gabriel River. 960 Comment
  RSA0043176  Nemophila pedunculata A. C. Sanders, Mark A. Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25723 Los Angeles NE end of Santa Susand Mtns.: Newhall Ranch, canyon NE of Grapevine Mesa, SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, W of oil tanks near BM 1073. Comment
  UCR266152  Nephrolepis cordifolia R. E. Riefner Jr. 2014-7-27 14- 261 Los Angeles South Coast, city of Long Beach, north of East 2nd Street and west of Marine Stadium Park, Alamitos Bay, along docks on Bay Shore Avenue between Monroe Avenue and East Vista Street 6 Comment
  RSA651326  Nicotiana glauca Matt Bogdanoff 1981-5-24 17 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UCR801  Nicotiana glauca K. W. Brown 1963-5-5 s.n. Los Angeles Stevens Canyon, Irvine Ranch 122 Comment
  SEINET10884633  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3960 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  CLARK-A1528-3567  Notholaena californica John C. Roos 1946-11-23 3160 Los Angeles Newhall Comment
  CAS-BOT-BC71169  Notholaena californica L. L. K. 1962-11-23 159 Los Angeles Santa Monica Mtns., 20th Century Fox Ranch 304 Comment
  RSA552562  Oenothera deltoides subsp. deltoides D. Charlton 1991-4-16 4873 Los Angeles Lancaster, corner of 35 St. West, one block south of K. 701 Comment
  RSA595591  Oenothera elata subsp. hirsutissima Lauren Raz, Steve D. Boyd 1996-10-23 46 Los Angeles Liebre Mountains. Ruby Canyon, east of junction of Forest Service Road 6N24 with Lake Hughes Road. Following easterly course of flowing stream. 610 Comment
  RSA233347  Oenothera elata subsp. hirsutissima Robert F. Thorne, M. Z. Thorne 1969-7-10 38413 Los Angeles Along Mescal Creek. 2043 Comment
  RSA802347  Oenothera elata subsp. hookeri Orlando Mistretta, Cher Batchelor 2011-7-26 5982 Los Angeles West Fork San Gabriel. Slopes south of Cogswell Reservoir. 915 Comment
  RSA0115094  Oligomeris linifolia Steven A. Junak 2000-6-30 SCa- 1363 Los Angeles Santa Catalina Island. Just E of Catalina Harbor. 40 Comment
  SD31221  Opuntia oricola Edith A. Purer 1931-8-15 2183 Los Angeles Palos Verdes, south exposed hills. Comment
  CAS-BOT-BC56876  Opuntia phaeacantha Le Roy Abrams; E. A. McGregor 1908-7-2 558 Los Angeles Field redacted by CAS, contact the data manager for more information 1158 Comment
  RSA631389  Opuntia vaseyi Valerie L. Soza, LeRoy Gross 1999-5-10 461 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  SD111593  Oreonana vestita Wayne P. Armstrong 1982-6-22 Los Angeles Summit of Mount Baden-Powell 2835 Comment
  RSA0040131  Orobanche californica subsp. feudgei Orlando Mistretta 1990-6-15 s.n. Los Angeles Little Rock Creek 1028 Comment
  RSA0070989  Orobanche californica subsp. feudgei Robert F. Thorne, Mae Z. Thorne 1969-7-10 38434 Los Angeles San Gabriel Mts., Angeles National Forest: C. 1.5 miles W of Wrightwood. 1950 Comment
  RSA670403  Orobanche californica subsp. feudgei Bonnie C. Templeton 1932-5-31 4850 Los Angeles Big Pines Camp. San Gabriel Mountains. Comment
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Nov 15 2008
  RSA0128046  Orobanche valida David E. Bramlet, Ileene Anderson 1998-7-27 2662 Los Angeles Site: RC1 a-f. South Fork Big Rock Creek, approximately 1 to 1.3 miles southwest (up canyon) from South Fork Campground. 1615 Comment
  UCR19571  Osmorhiza brachypoda L. E. Hoffman 1929-5-20 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Big Santa Anita Cyn. Comment
  RSA458983  Osmorhiza brachypoda Erwin Miller 1934-3-27 s.n. Los Angeles Fish Canyon. Comment
  RSA0069879  Oxalis pes-caprae R. G. Swinney 2010-3-24 12095 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  CAS-BOT-BC121175  Paeonia californica Alice Eastwood 1913-5-11 3134 Los Angeles San Fernando Wash Comment
  RSA434246  Paeonia californica Charlotte Brown 1929-1-13 s.n. Los Angeles Sierra Madre. Little Santa Anita Canyon Comment
  CATA3323  Papaver californicum Amy Catalano 2017-4-3 040 Los Angeles Santa Catalina Island: South side of West End Rd., about 0.25 miles southeast of entrance to Cherry Valley towards Fourth of July Cove 2 Comment
  RSA653700  Papaver californicum Valerie L. Soza, Laura Moore 2000-5-10 857 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. from fire gate to powerlines to peak ''1936''. 579 Comment
  UCR190617  Papaver californicum R. G. Swinney 2000-5-20 7696 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 39 905 Comment
  CAS-BOT-BC413415  Parietaria hespera var. hespera Dr. Barton W. Evermann No date on label s.n. Los Angeles San Clemente Isl. Comment
  OBI34032  Passiflora caerulea Mark Schneider 1973-5-16 29 Los Angeles Pierce College horticulture area, cultivated Comment
  RSA77867  Pectocarya linearis subsp. ferocula F. W. Peirson 1918-5-5 1017 Los Angeles Brents on the Malibu, Santa Monica Mountains. Comment
  RSA0055774  Pectocarya penicillata R. G. Swinney 2010-4-28 12394 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary. 488 Comment
  UC517558  Pectocarya penicillata John Thomas Howell 1928-3-20 3460 Los Angeles Griffith Park, Vermont Canyon Comment
  RSA570184  Pectocarya recurvata T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5021 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA757266  Pectocarya setosa R. G. Swinney 1998-4-14 5988 Los Angeles Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  SEINET9356611  Pectocarya setosa Unknown 2008-5-8 8789 Los Angeles San Gabriel Mountains, CA (Lat. 34 25 08) Comment
  UCR270683  Pedicularis semibarbata R. G. Swinney 2011-8-17 15651 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  UC223688  Pellaea andromedifolia C. F. Millspaugh 1920-2-5 4677 Los Angeles Hay Press; Santa Catalina Isl Comment
  SD51908  Pellaea andromedifolia var. pubescens Peter H. Raven 1962-4-11 17304 Los Angeles San Clemente Island, about 1 mile south of Wilson Cove 120 Comment
  RSA777527  Pellaea mucronata R. G. Swinney 2009-4-28 10535 Los Angeles Summit of Mt. Emma 1585 Comment
  RSA686914  Pellaea mucronata var. mucronata L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon. Los angeles National Forest Comment
  RSA535335  Pellaea mucronata var. mucronata T. S. Ross 1991-5-21 5399 Los Angeles San Clemente Island: ridgetop of the 'armpit' where the two upper forks of Box Canyon join together 457 Comment
  UCD166191  Penstemon centranthifolius Jack Major 1962-4-15 757 Los Angeles On road to Big Pines above Valyermo, north side of San Antonio Peak. (Exact location unknown. Coordinates estimated by label maker.) 1390 Comment
  UCR271491  Penstemon centranthifolius R. G. Swinney 2011-5-3 14555 Los Angeles San Gabriel Mountains, Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center 488 Comment
  UC55373  Penstemon centranthifolius J. H. Barber Los Angeles Soma Canyon Comment
  UCR142907  Penstemon cordifolius C. B. Wolf 1931-7-30 2297 Los Angeles Santa Susana Mtns, Base of Newhall Grade, 0.25 mi above crossing of the Los Angeles Aqueduct 457 Comment
  HSC46675  Penstemon grinnellii subsp. scrophularioides Robert Gustafson 1978-6-1 947 Los Angeles 0.5 mi. E off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, 1 mi. S of Gorman 1311 Comment
  SFV13115  Penstemon grinnellii var. grinnellii W. M. Perry 1980-8-16 105 Los Angeles San Gabriel Mountains Mount Baldy. Comment
  RSA407933  Penstemon heterophyllus Martha Hilend 1928-5-27 s.n. Los Angeles Hills near Elizabeth Lake. Comment
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Jun 14 2012
  RSA226345B  Penstemon heterophyllus var. australis Robert F. Thorne, C. W. Tilforth 1971-6-17 39917 Los Angeles 1.4 mile along Placerita Canyon Road beyond Sand Road Junction, W end of San Gabriel Mountains 610 Comment
  SD82816  Penstemon labrosus Victor Duran 1933-7-10 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  UCR47463  Penstemon labrosus David Charlton 1986-6-15 0291 Los Angeles San Gabriel Mtns., Lightning Ridge, at intersection of Forest Road 3N06 and 4 mi NW of San Bernardino Co. line 2256 Comment
  NY661196  Penstemon spectabilis var. spectabilis F. W. Pennell 1940-5-3 25302 Los Angeles Route 66, Claremont 701.0 Comment
  LA51907  Penstemon spectabilis var. subviscosus J. A. Ewan; 1931-5-16 4200 Los Angeles SANTA MONICA MOUNTAINS, W-fork Garapito Creek 457 Comment
  NY661219  Penstemon spectabilis var. subviscosus I. W. Clokey 03 1929 4475 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  UC1070045  Pentachaeta aurea Jerome S. Horton 1936-5-7 325 Los Angeles 1/4 mi se San Dimas Reservoir; Pomona Quadrangle, San Dimas Canyon Comment
  UC206185  Pentachaeta lyonii Katharine Brandegee Los Angeles Santa Catalina Isl. Comment
  RSA0059018  Pentagramma triangularis Sara L. Crockett 1997-4-1 639 Los Angeles Santa Catalina Island. Offshoot canyon from Middle Canyon; 0.2 mile SW on Middle Canyon Road from pumphouse; SE side of road. 316 Comment
  RSA0093128  Pentagramma triangularis Richard G. Swinney 2011-3-26 14217 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 Canyon. 476 Comment
  SBBG12848  Perityle emoryi E. R. Blakley 1962-6-9 5185 Los Angeles China Pt near lighthouse 9 Comment
  SBBG31094  Perityle emoryi R. F. Thorne 1966-4-4 35754 Los Angeles SE of Ballast Pt and Catalina Harbor; isthmus 91 Comment
  SBBG80321  Perityle emoryi F. C. Boutin 1967-4-23 1672 Los Angeles Lemon Tank 304 Comment
  RSA720365  Persicaria maculosa LeRoy Gross 2007-4-6 2622 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., The basin has a Concrete dam wall, cut lower in the center for drainage and a small concrete channel draining in a SSE direction. With an older depauperate alluvial fan above both sides of the channel. 273 Comment
  RSA5355  Petalonyx thurberi subsp. thurberi Carl B. Wolf 1932-10-19 4350 Los Angeles Mint Canyon, 8 mi. above Saugus. 427 Comment
  SD253471  Phacelia brachyloba R. G. Swinney 2011-6-14 15145 Los Angeles San Gabriel Mountains: upper Charlton Flat Campground, 0.53 air-mile SSW of the junction of Angeles Crest Hwy, Charlton Flat entrance (Chilao Flat 7.5'Q) 1646 Comment
  LA38559  Phacelia cicutaria var. hispida Martha Hilend; 1933-5-19 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA40164  Phacelia cicutaria var. hispida Tamar; 1961-4-20 6411 Los Angeles 274 Comment
  RSA11007  Phacelia cicutaria var. hispida Carl B. Wolf 1928-4-1 1622 Los Angeles Santa Susanna Pass, 0.5 miles from summit. 457 Comment
  UCR152878  Phacelia cicutaria var. hispida A. C. Sanders, Helen Kennedy 2005-4-13 29421 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA650552  Phacelia cicutaria var. hispida G. S. Eleiott 1949-5-4 s.n. Los Angeles San Dimas Canyon. 610 Comment
  SFV21420  Phacelia cicutaria var. hispida L. Gross, M. Denslow, B. Hogshead, S. Swartzentruber 2003-6-17 1031 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along road across from Brand Canyon Debris Basin at mouth of Brand Canyon. 262 Comment
  UC2030065  Phacelia ciliata Steve Boyd, Lee Lenz 2001-5-2 10420 Los Angeles Transverse Ranges; Liebre Mountains region: along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. Comment
  RSA771776  Phacelia cryptantha R. G. Swinney 2009-5-20 10818 Los Angeles Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge. 1433 Comment
  RSA72481  Phacelia davidsonii I. M. Johnston 1925-8-1 6611 Los Angeles San Antonio Mountains: western end Ontario Peak ridge. 2348 Comment
  RSA0092145  Phacelia distans R. G. Swinney 2011-5-26 14843 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. 1061 Comment
  RSA771555  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  UCR194058  Phacelia distans R. G. Swinney 1999-6-5 7249 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  UC24417  Phacelia egena H. M. Hall 1896-8-12 253 Los Angeles head of Schwartout Canyon San Antonio Mountains 2072 Comment
  RSA426155  Phacelia fremontii Bonnie C. Templeton 1932-6-1 5062 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  RSA75353  Phacelia fremontii F. W. Peirson 1926-4-26 6651 Los Angeles Foot of grade north of Vincent on Palmdale road. Comment
  SEINET13203249 Image available Phacelia grandiflora R. G. Swinney 2011-1 14511 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  RSA74489  Phacelia grandiflora F. W. Peirson 1925-4-23 5809 Los Angeles San Gabriel River 305 Comment
  SBBG27171  Phacelia hastata V. Duran 1933-7-25 3533 Los Angeles Buckhorn 1981 Comment
  RSA428000A  Phacelia imbricata George B. Grant 1901-05 s.n. Los Angeles Eagle Rock Canon Comment
  RSA585687  Phacelia imbricata subsp. patula Tim S. Ross, Steve Boyd, Peter Fritsch 1990-6-11 3017 Los Angeles Big Rock Creek: just above confluence of Holcomb Canyon Creek, between Big Rock Creek Road and mouth of Holcomb Canyon. 1255 Comment
  JEPS2128  Phacelia longipes Frank W. Peirson 1919-4-19 381 Los Angeles Pacoima Canyon San Gabriel Mountains 487 Comment
  RSA590520  Phacelia minor Orlando Mistretta 1994-3-30 978 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA772156  Phacelia mohavensis R. G. Swinney 2009-5-27 10895 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream. 1585 Comment
  SBBG11780  Phacelia parryi H. and M. Dearing 1935-3-9 1501 Los Angeles Mint Cyn Comment
  SBBG122083  Phacelia platyloba A. Parikh, N. Gale 2003-5-2 1742 Los Angeles 0.75 km N of jct of Interstate 5 and Magic Mtn Parkway, N of Santa Clara River 350 Comment
  UCR127211  Phacelia viscida A. C. Sanders, Mark A. Elvin, and others 2003-5-1 26275 Los Angeles Western San Gabriel Mtns., NE side of Castaic Mesa, c. 0.75 mi. southwest of confluence of Bitter and Charlie Canyons, Newhall Ranch 457 Comment
  SBBG128070  Phalaris aquatica M. L. Hoefs, S. A. Junak 1996-4-30 2683 Los Angeles rd past Parson's jct, toward W end, just before Starlight Beach 152 Comment
  POM356922  Phalaris minor Edwin Kline 1924-5-20 s.n. Los Angeles Los Angeles. Comment
  POM3467  Pholistoma auritum George B. Grant 1902-04 832 Los Angeles Garvanza. Comment
  RSA592052  Pholistoma racemosum Mark Hoefs, D. Propst 1973-5-4 207 Los Angeles Middle of Middle Ranch Canyon; Santa Catalina Island. 244 Comment
  SBBG78973  Pholistoma racemosum W. A. Wright 1931-3-6 Los Angeles Santa Catalina Island Comment
  RSA459316  Pholistoma racemosum M. B. Dunkle 1939-4-6 7309 Los Angeles Mosquito Ridge, San Clemente Island Comment
  CDA22377  Phoradendron densum Q. L. Holdeman 1968-5-16 Los Angeles St. Andrew s Priory, Pearblossom district. 0 Comment
  CAS-BOT-BC141148  Phoradendron serotinum subsp. macrophyllum Del Wiens 1958-12-10 2428 Los Angeles Mouth of Cobal Canyon, N of Claremont 426 Comment
  CAS-BOT-BC141149  Phoradendron serotinum subsp. macrophyllum Peter H. Raven; Henry J. Thompson 1959-10-31 14716 Los Angeles Natoma Avennue at N base of mountains. Santa Monica Mountains 365 Comment
  RSA576771  Phoradendron villosum Vanessa Ashworth, Nigel Boyle 1995-1-28 84 Los Angeles Cow Canyon Saddle above Baldy Village. 1380 Comment
  RSA597034  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-25 3848 Los Angeles Vicinity of Crystal Lake 1677 Comment
  UC1194635  Phoradendron villosum Del Wiens 1953-12-10 878 Los Angeles San Gabriel Mts., Crystal Lake Area 1676 Comment
  SEINET12230771  Phoradendron villosum H. W. Graham 1949-1 s.n. Los Angeles Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson, near Los Angeles Comment
  SD20350  Phyllospadix torreyi C. Epling July 1933 Los Angeles Palos Verdes Comment
  UCR142892  Physalis lancifolia L. C. Wheeler 1932-7-19 965 Los Angeles San Gabriel Valley, 2 miles north of Claremont 412 Comment
  RSA659684  Picris echioides Chris White 1991-5-20 23 Los Angeles Point Fermin. Comment
  RSA748404  Picris echioides R. G. Swinney 2008-4-4 8604 Los Angeles Lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  LA209919  Picris echioides J. D. Sauer; 1969-5-18 4534 Los Angeles Santa Monica Mountains, Pacific Palisades Comment
  UCR119236  Piptatherum miliaceum T. S. Ross, Peter Fritsch 1990-6-20 3595 Los Angeles San Gabriel Mtns., Mouth of Burro Canyon near the confluence of the E and W forks of the San Gabriel River 466 Comment
  CAS-BOT-BC71777  Pityrogramma triangularis var. viscosa George B. Grant; Walter Wheeler 1904-4-21 H 3350 Los Angeles Santa Catalina Island, Pacific Ocean, off southern California Comment
  RSA682502  Plagiobothrys arizonicus Scott D. White, Michael Honer 2003-5-7 9203 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA0087328  Plagiobothrys canescens R. G. Swinney 2010-3-13 11877 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  POM72576  Plagiobothrys canescens Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  UCR184114  Plagiobothrys tenellus A. C. Sanders, T. B. Salvato 2007-4-24 33478 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
  UCD124376  Plantago arenaria Louis C. Wheeler 1964-10-11 8637 Los Angeles South El Monte; south of Rush Street, extended Rio Hondo. Comment
  UC303443  Plantago coronopus S. B. Parish 1916-3-31 10751 Los Angeles Pebble Beach Santa Catalina Island Comment
  CATA1605  Plantago erecta Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Janet Takara 1998-5-1 2874 Los Angeles Santa Catalina Island: West side of Swain's Canyon, ridge to Whitley's Peak 432 Comment
  JEPS6396  Plantago erecta Alice M. Ottley 1920-4-30 509 Los Angeles Arroyo Seco Pasadena Comment
  RSA199189  Plantago erecta Robert F. Thorne, D. Propst 1968-5-28 37651 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA402019C  Plantago erecta Blanche Trask 1901-03 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  UC147002  Plantago erecta C. F. Baker 1909-3-29 5255 Los Angeles Claremont Comment
  UC56229  Plantago erecta H. M. Hall Apr 1903 3767 Los Angeles Playa del Rey Comment
  RSA401974A  Plantago erecta Samuel R. Tyson 1943-4-2 s.n. Los Angeles San Dimas Canyon. 442 Comment
  RSA609288  Plantago erecta Louis C. Wheeler 1974-4-14 s.n. Los Angeles Wildwood Ranch, Shuler Canyon. 412 Comment
  RSA0088005  Plantago lanceolata R. G. Swinney 2010-6-21 13281 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  SBBG68785  Plantago lanceolata M. N. Ackley -Jun-1927 790 Los Angeles Eagle Rock 182 Comment
  LA33804  Plantago major Peter H. Raven; 1959-10-14 14625 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E-end 220 Comment
  RSA0115474  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2087 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  RSA226653A  Platanus racemosa Robert F. Thorne, C. W. Tilforth 1971-6-29 40654 Los Angeles San Gabriel Mountains, Angeles National Forest: Lttle Rock Creek, just below Little Rock Forestry station, 1/2 mi. below Little Rock Dam 945 Comment
  RSA518252  Platanus racemosa A. C. Sanders 1987-12-4 7570 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  RSA743528  Platanus racemosa Sara L. Crockett 1997-2-19 C 62 Los Angeles Santa Catalina Island. 0.2 mile NE of Wrigley Botanical Garden (toward Avalon) on Avalon Canyon Road; Hermit Gulch campground. 107 Comment
  SFV22009  Platanus racemosa V. Soza, L. Gross, R. Kopelov 2000-3-30 668 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Northeastern side of La Tuna Canyon, north of 210 Freeway and La Tuna Canyon Road. South-southwest of Haines Canyon Ave. and Elmhurst Drive junction, Haines Canyon Park. South-facing canyon. 518 Comment
  RSA445689  Platystemon californicus Ora M. Clark 1929-3-31 1917 Los Angeles W Lancaster Comment
  UCR222651  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-27 08- 385 Los Angeles South Coast, city of Malibu, ocean bluff west of El Matador State Park 6 Comment
  UCR142699  Plectritis ciliosa subsp. insignis L. C. Wheeler 1933-4-15 1633 Los Angeles Transverse Ranges; San Gabriel Mtns., West Live Oak Canyon 488 Comment
  RSA0031848  Poa annua Louis Van Velzen 1987-5-11 87 -01 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. and 210 Fwy. Comment
  RSA484173  Poa annua Geo. L. Moxley 1919-4-5 687 Los Angeles Exposition Park Comment
  SBBG113259  Poa annua S. A. Junak 1997-6-3 SCa 434 Los Angeles Avalon, along lower Summer Street, just S of Atwater Hotel Building 6 Comment
  SBBG130578  Poa annua S. A. Junak 2000-3-30 SCa 1140 Los Angeles cmpgrd at Little Harbor, just inland from beach 6 Comment
  RSA484194  Poa pratensis Gary D. Wallace 1979-5-2 1839 Los Angeles [Arcadia] Along Baldwin Ave, across street from L.A. County Arboretum. Comment
  RSA600396  Poa secunda V. W. Steinmann 1996-4-7 824 Los Angeles San Gabriel Mountains, ca. 1 kilometer from trailhead at Cow Canyon Saddle along Coldwater Canyon Truck Trail. 1350 Comment
  UCR191706  Poa secunda A. C. Sanders 2008-4-11 34870 Los Angeles Transverse Range/ Mojave Desert, hills south of Hwy 138, c. 1 mile SW of Neenach School 945 Comment
  JEPS74057  Poa secunda subsp. secunda E. E. Allen Apr. 1922 Los Angeles Occidental College Comment
  SBBG92050  Poa secunda subsp. secunda S. A. Junak 1978-4-16 SCa 037 Los Angeles slopes above Fourth of July Cove 45 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
  UCR145910  Poa secunda subsp. secunda L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., foothills of mountains, 2 mi NE of Vincent 991 Comment
  SEINET10532993  Podocarpus macrophyllus David B. Dunn 1939-10-18 Dunn UMO 46529 Los Angeles Cultivated tree near 3rd and Lafayette Los Angeles, Calif. 213 Comment
  RSA0087232  Polycarpon tetraphyllum R. G. Swinney 2010-4-23 12354 Los Angeles Lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA0116174  Polycarpon tetraphyllum R. G. Swinney 2010-5-29 13245 Los Angeles San Gabriel Mountains; May Canyon Truck Trail, 0.3-1.5 miles north of Veterans Park, west of Loop Canyon on FS Rd. 3N54. 610 Comment
  UCR259384  Polycarpon tetraphyllum R. G. Swinney 2010-4-20 12281 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCR274935  Polygala cornuta subsp. fishiae Kai T. Palenscar 2014-6-15 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region, 100 m east of Santa Anita Wash channel, south base of San Gabriel Mts., City of Arcadia 195 Comment
  RSA355916  Polygonum argyrocoleon Robert F. Thorne 1975-9-4 47394 Los Angeles Santa Catalina Island: Fisherman's Cove; campus of USC Marine Science Center. Comment
  RSA464418  Polygonum aviculare M. Bisbee 1917-5-26 s.n. Los Angeles Roadsides and yards, Eagle Rock Comment
  RSA573479  Polygonum aviculare Tim S. Ross 1992-6-15 6569 Los Angeles Whittier Hills ( local name for the western extremity of the Puente Hills) grassy uplands at the head of the S fork of Sycamore Canyon. 354 Comment
  RSA466371  Polygonum punctatum Louis C. Wheeler 1932-10-14 1430 Los Angeles Rio Hondo. 58 Comment
  RSA669703  Polypodium californicum LeRoy Gross, Naomi Fraga 2002-4-4 514 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way & Chandler Fire Road meet., (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road, (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 532 Comment
  UC812487  Polypodium californicum Marcus E. Jones, A. M. 1882-2-27 Los Angeles Pasadena Comment
  CAS-BOT-BC71888  Polypodium californicum Henry J. Thompson 1959-2-20 1834 Los Angeles 0.5 mile above ocean, La Tuna Canyon 76 Comment
  UCSB62325  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Rustic Canyon, ca. 0.25mi S of Camp Josepho 304 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
  SBBG13053  Populus balsamifera subsp. trichocarpa E. R. Blakley 1961-9-24 4776 Los Angeles cyn upstream from Ben Weston Beach 15 Comment
  CAS-BOT-BC102542  Populus fremontii Timothy S. Ross 1991-4-28 4739 Los Angeles Moody Springs: ca 4 miles NNE of Black Butte on the Mojave Desert. El Mirage USGS 7.5' Quadrangle 862 Comment
  RSA5798  Populus fremontii B. D. Stark 1932-11-20 4422 Los Angeles Lobo Canyon, Santa Monica Mountains 274 Comment
  SBBG31349  Populus fremontii R. F. Thorne 1966-4-5 35877 Los Angeles Cottonwood Crk by bridge on rd from Middle Ranch to Little Harbor 27 Comment
  UC520297  Populus trichocarpa Joseph Andorfer Ewan 1933-7-4 7880 Los Angeles Spanish Canyon above Monrovia; San Gabriel Mts., Spanish Canyon above Monrovia 609 Comment
  RSA601661  Potamogeton foliosus var. foliosus L. C. Wheeler 1946-8-28 6301 Los Angeles San Gabriel Mountains. Jackson lake. 1859 Comment
  RSA383478  Potamogeton illinoensis F. R. Fosberg, Joseph A. Ewan 1931-8-11 S 5486 Los Angeles Crystal Lake: north fork of San Gabriel Canyon 1600 Comment
  RSA454128  Prunus ilicifolia Fay A. MacFadden 1931-3-29 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR124438  Prunus ilicifolia I. W. Clokey, B. C. Templeton 1929-1 4482 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  RSA0072136  Prunus ilicifolia James W. Raymond s.n. Los Angeles Verdugo Hills. 762 Comment
  LA200822  Prunus ilicifolia subsp. ilicifolia A. M. Johnson; 1934-3-16 4347 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  LA208113  Prunus ilicifolia subsp. ilicifolia J. Sauer; D. Bradbury, L. Wester 1969-10-19 4645 Los Angeles San Gabriel Mountains, lower limit of forest above Kentucky Springs 1371 Comment
  RSA580960  Prunus ilicifolia subsp. ilicifolia Jamie Kneitel 1994-4-28 49 Los Angeles San Gabriel Mountains: Dexter Park 610 Comment
  RSA754138  Prunus ilicifolia subsp. ilicifolia Ellen Mackey, Blake Whittiington 2006-10-24 NFWF- 1824 Los Angeles San Gabriel River main stem across from Morris Dam, CS1 403 Comment
  CAS-BOT-BC154566  Prunus ilicifolia subsp. lyonii Peter H. Raven 1962-5-9 17643 Los Angeles San Clemente Island. Just north of Guds 198 Comment
  RSA454151  Prunus lyonii F. R. Fosberg 1931-4-4 S- 4488 Los Angeles Cherry Canyon 30 Comment
  UCR208202  Prunus virginiana var. demissa I. M. Johnston 1917-8-23 1712 Los Angeles Transverse Ranges; San Antonio [San Gabriel] Mtns., Prairie Fork of San Gabriel River 1524 Comment
  POM358746  Pseudognaphalium biolettii E. S. Spalding 1924-4-27 s.n. Los Angeles Western & Vermont [Los Angeles] Comment
  RSA605597  Pseudognaphalium biolettii F. C. Boutin 1967-4-23 1699 Los Angeles San Clemente Island: W side of Island, along coast NW of Eel Point Comment
  RSA756462  Pseudognaphalium biolettii Orlando Mistretta, Christine Mistretta 2008-4-19 2499 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
  UCR256625  Pseudognaphalium microcephalum R. G. Swinney 2010-8-16 13565 Los Angeles San Gabriel Mountains, Arcadia, Big Santa Anita Canyon, Arcadia Wilderness Park 280 Comment
  RSA384625  Pseudotsuga macrocarpa Geo C. Johnstone 1920-4-10 s.n. Los Angeles Mt. Lowe Comment
  CAS-BOT-BC421198  Pterostegia drymarioides John H. Thomas 1957-5-11 6749 Los Angeles San Gabriel Mountains. About 3 miles north of La Canada near Angeles Crest Highway. 762 Comment
  CAS-BOT-BC421199  Pterostegia drymarioides John H. Thomas 1957-5-25 6772 Los Angeles San Gabriel Mountains. Western side of Santa Anita Canyon about 7 miles NNE of Pasadena. 609 Comment
  RSA584048  Pterostegia drymarioides Tim S. Ross 1992-4-21 6232 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
  SBBG98631  Pterostegia drymarioides T. Ross, O. Mistretta, M. Hammitt 1991-5-20 5338 Los Angeles between Box and Horse Cyns 484 Comment
  PASA1186  Purshia glandulosa Stason 1931-4-2 Los Angeles Rock Creek Comment
  RSA499258  Purshia tridentata var. glandulosa Albert J. Perkins 1919-5-30 s.n. Los Angeles Antelope Valley, desert near Rock Creek. Comment
  RSA725078  Purshia tridentata var. glandulosa Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -80 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  UCR182705  Pyrola dentata R. G. Swinney 1997-7-23 5739 Los Angeles San Gabriel Mtns, upper Buford Canyon, c. 200 m north of Guffy Rd., Blue Ridge Mtn. area 2494 Comment
  RSA167844  Quercus X macdonaldii Robert F. Thorne, P. C. Everett 1964-2-7 33480 Los Angeles Middle Canyon, Santa Catalina Island 244 Comment
  RSA177664  Quercus X macdonaldii Robert F. Thorne, P. Everett 1965-5-12 34639 Los Angeles Bullrush Canyon, Santa Catalina Island. 244 Comment
  CAS-BOT-BC45674  Quercus agrifolia Henry J. Thompson 1959-3-27 1893 Los Angeles 1.5 miles east of peak, Saddle Peak, Santa Monica Mountains 731 Comment
  OBI36115  Quercus berberidifolia David J. Keil 1980-3-27 13731 Los Angeles 1 mi E of Ridge Route on Pine Cyn road (LA county rd N-2) 1189 Comment
  RSA655353  Quercus berberidifolia LeRoy Gross 2000-11-4 320 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way,east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UCD170504  Quercus berberidifolia D. O. Burge 2017-4-3 2238 Los Angeles Santa Monica Mountains, Rocky Oaks Dam. 530 Comment
  UCD45294  Quercus berberidifolia C. H. Mueller 1937-8-29 2522 Los Angeles Big Tujunga Canon, Los Angeles County, California. Comment
  UCR230265  Quercus berberidifolia Dan S. Cooper 2011-3-28 311- 21 Los Angeles Industry Hills, S of Temple Ave., La Puente 177 Comment
  SD171858  Quercus douglasii E. R. Blakely 1962-10-6 5472 Los Angeles Santa Catalina Island, head of Bullrush Canyon 358 Comment
  CAS-BOT-BC86207  Quercus dumosa Alice Eastwood 1917-7-20 6520 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC86375  Quercus dumosa D. E. Breedlove 1961-5-5 452 Los Angeles 7.6 miles NE of Soledad Canyon Road on Highway 6 609 Comment
  UCD45857  Quercus dumosa J. Ewan 1931-10-24 5259 c Los Angeles Same data as 5259 a. Santa Monica Mts. Comment
  RSA170115  Quercus durata var. gabrielensis Lyman Benson 1946-10-10 12202 Los Angeles south margin of San Gabriel Mountains 2 miles North of Claremont 457 Comment
  RSA172263  Quercus durata var. gabrielensis Robert F. Thorne, Henrickson 1963-5-5 32302 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  UCR197184  Quercus durata var. gabrielensis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 656 Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  RSA476784  Quercus engelmannii F. R. Fosberg 1931-1-7 7109 Los Angeles Arcadia 150 Comment
  SBBG44663  Quercus engelmannii W. B. Holt 1941-10-31 Los Angeles Monrovia Comment
  UC1302365  Quercus engelmannii Robert F. Thorne and P. C. Everett 1964-2-7 33468 Los Angeles e end Santa Catalina Island (at lower end of Pebbly Beach Canyon); , Pebbly Beach Canyon 76 Comment
  UC630410  Quercus engelmannii Annetta Carter 1940-1-12 1492 Los Angeles e side of canyon at head of Baldwin Avenue (foothills of the San Gabriel Mountains); Sierra Madre, San Gabriel Mountains 320 Comment
  CAS-BOT-BC105255  Quercus kelloggii Fay A. Mac Fadden 1936-9-6 14745 Los Angeles Lake Arrowhead Comment
  SEINET3245994  Quercus kelloggii R. G. Swinney 2009-1 11478 Los Angeles Transverse Range; San Gabriel Mtns.: Big Pines Meadow, west of Wrightwood, SW junction of Hwy 2, Table Mtn. Rd. and Big Pines Rd. Mescal Creek. 628 Comment
  UCR146148  Quercus kelloggii June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, 0.5 mile west of Big Pines Ranger Station 2073 Comment
  JEPS37336  Quercus pacifica Mrs. Trask 1909-3-27 Los Angeles Catalina Island Comment
  RSA155820  Quercus pacifica Peter H. Raven 1962-5-21 17805 Los Angeles Santa Catalina Island, Upper Bullrush Canyon. 259 Comment
  UC128891  Quercus pacifica H. M. Hall 1908-6-15 8275 Los Angeles near Hay Press; Santa Catalina Island Comment
  CAS-BOT-BC104855  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-6-23 8049 Los Angeles Liebre Mountains. Sawmill Mountain. 5514-ft summit and immediately adjacent slopes 1680 Comment
  UC566169  Quercus wislizeni A. D. Gifford 535 Los Angeles 1/4 mi se Kelley Ranch (3 mi nw Redrock Mt.) 975 Comment
  SFV7869  Quercus wislizeni var. frutescens T. Gordon, M. H. Grayum, J. R. Swanson, D. Walls, S. Zalusky 1976-1-21 1235 Los Angeles San Gabriel Mountains Southeast slope along Angeles Crest Highway. 1677 Comment
  RSA472411  Rafinesquia californica F. R. Fosberg 1931-4-10 54537 Los Angeles Santa Catalina Island. Avalon Canyon 150 Comment
  UC303095  Ranunculus californicus Marcus E. Jones, A. M. 1882-5-3 3220 Los Angeles Pasadena Comment
  RSA399392  Ranunculus californicus Grace Houck 1944-5-15 20724 Los Angeles Turn bull Canyon Comment
  RSA0081376  Raphanus sativus R. G. Swinney 2010-3-16 11917 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SFV21137  Raphanus sativus J. M. Keefe 2001-1-24 31031 Los Angeles San Rafael Hills Pasadena. East side of Arroyo Seco, 2 m west of curb, across street from 1590 Arroyo Blvd at Howard Street. 250 Comment
  CDA12034  Rhamnus californica subsp. californica A. Overturf 1989-12-28 s.n. Los Angeles Angeles National Forest; Eaton Canyon, immediately to the S below Mt. Wilson. Comment
  CAS-BOT-BC59946  Rhamnus crocea Alice Eastwood 1928-6-15 15404 Los Angeles Claremont. Comment
  SFV21400  Rhamnus crocea L. Gross, N. Fraga, B. Hogshead 2002-3-21 501 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. South of La Tuna Canyon Road at end of Morning Glow Way. In small canyon above (east) of Village Christian School in Sun Valley near above coordinates. 366 Comment
  UC56267  Rhamnus crocea Ernest Braunton 1902-5-5 358 1/2 Los Angeles Glendora Comment
  CAS-BOT-BC56001  Rhamnus ilicifolia John Thomas Howell 1928-3-2 3362 Los Angeles Griffith Park Comment
  RSA391037  Rhamnus ilicifolia C. Epling 1931-5-9 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  CAS-BOT-BC59797  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mi. from Middle Ranch on road to Black Jack Peak. 274 Comment
  CATA296  Rhamnus pirifolia Mark L. Hoefs 1973-6-4 315 Los Angeles Santa Catalina Island: By road on southeast side of Wrigley Memorial, upper Avalon Canyon 121 Comment
  RSA230174  Rhamnus tomentella subsp. cuspidata Robert F. Thorne 1969-7-2 38245 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1585 Comment
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Dec 11 2015
  CAS-BOT-BC170458  Rhus integrifolia Alice Eastwood 1906-5-27 7 Los Angeles Garvanza Comment
  HSC3152  Rhus integrifolia C. E. Fellows 1965-12-20 189 Los Angeles 2 mi. S of Ventura Blvd. on Reseda Blvd., across from the Deauville Country Club, 200 yds. up the hillside Comment
  RSA190974  Rhus integrifolia R. F. Thorne, Reed Rollins, Doug Propst, R. Carolin 1967-3-18 36739 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  RSA760591  Rhus integrifolia R. G. Swinney 2009-3-10 10070 Los Angeles Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  SBBG90428  Rhus integrifolia M. C. Hochberg 1985-4-7 1208 Los Angeles W of Empire Landing, Little Springs Cyn 243 Comment
  UCSB17584  Rhus integrifolia Rocke, Yedida 1963-2-24 Los Angeles Griffith Park, Los Angeles 152 Comment
  SEINET12236058  Rhus trilobata D. P. Reagan 1974-1 16 Los Angeles 2 mi NW of Valencia Comment
  JEPS104675  Ribes John L. Morrison 1937-6-17 2542 Los Angeles San Gabriel Mountains. Around the spring about 200 m from Windy Camp, N side of Mount Islip 2209 Comment
  CAS-BOT-BC92281  Ribes amarum C. F. Baker 1904-2-17 4064 Los Angeles San Antonio Canon [Canyon]. Claremont. Comment
  UC1127365  Ribes amarum F. H. Raymond 1930-1-29 39 Los Angeles Santa Ynez Canyon Calabasas Quadrangle 213 Comment
  UCR210737  Ribes amarum R. G. Swinney 2009-1-19 10002 Los Angeles San Gabriel Mtns., Azusa, Hwy 39 at El Encanto Rivers and Mountains Conservancy entrance, 1.9 mi. NE of Sierra Madre Ave. 232 Comment
  UCSB11906  Ribes aureum Haines, Bruce 1962-3-11 Los Angeles roadside; 1 mile south of the junction of U.S. Highway 101 and California Highway 27; Woodland Hills 274 Comment
  SBBG15834  Ribes aureum var. gracillimum W. G. Webb 1935-1-26 Los Angeles Mount Verdugo near Glendale Comment
  SBBG70986  Ribes aureum var. gracillimum R. Hoffmann 1929-2-9 Los Angeles Monrovia Comment
  SDSU14342  Ribes aureum var. gracillimum John Viggiano 2003-4-3 29 Los Angeles 1South Hills Park, Glendora. /2 mile North along trail behind restroom, in a clearing. 290 Comment
  CAS-BOT-BC108870  Ribes divaricatum var. parishii Clarence R. Quick 1942-4-18 s.n. Los Angeles Collected at El Monte. Comment
  POM325  Ribes indecorum C. F. Baker 1904-2-17 6399 Los Angeles Claremont. Comment
  UCR256217  Ribes malvaceum R. G. Swinney 2010-6-4 13026 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA549818  Ribes nevadense Wandalee Thompson 1956-6-26 98 Los Angeles Williamson rocks, Rattlesnake Creek, Mt. Williamson, 3 miles S of Devils Punchbowl State Park. Angeles National Forest, San Gabriel Mts. Comment
  RSA586708  Ribes nevadense Orlando Mistretta, Mark A. Elvin 1995-6-20 1805 -A Los Angeles San Gabriel Mountains, Bare Mountain Canyon. 1585 Comment
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Aug 20 2014
  RSA756751  Ribes nevadense R. G. Swinney 2008-6-18 9076 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  UCR270898  Ribes nevadense R. G. Swinney 2011-8-17 15639 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  RSA0011518  Ribes nevadense Orlando Mistretta, Christine Mistretta 2011-6-23 5738 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  LA205542  Ribes quercetorum Harvey Anderson; 1932-3-14 sn Los Angeles Tejon Ranch Comment
  UCR38986  Ribes quercetorum David J. Keil 1980-3-27 13745 Los Angeles 1 mi east of Ridge Route on Pine Canyon Road (Los Angeles County Rd N-2) 1189 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  RSA476244  Ribes roezlii Christopher Davidson 1975-5-25 2557 Los Angeles 3.3 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.2 mi past Sandberg Pk. 1692 Comment
  UC333500  Ribes roezlii Lemmon Los Angeles near Camp Colby Comment
  SD72391  Ribes viburnifolium Darley F. Howe 1968-2-25 Los Angeles Santa Catalina Island; hillside north of Fourth of July Cove. Comment
  RSA480747  Ricinus communis Floy Stanley 1928-4-22 s.n Los Angeles Monrovia. Comment
  RSA579286  Ricinus communis T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7443 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; narrow, eroded canyon through southerly coastal bluffs, ca. 2750m SE of Inspiration Point and 2680m WNW of White Point. 8 Comment
  RSA652396  Ricinus communis R. Spence, N. Evenhuis 1974-8-12 s.n. Los Angeles Puddingstone Res. Comment
  SFV10302  Ricinus communis L. Comee 1978-10-31 s. n. Los Angeles Pacific Coast Highway, 0.5 miles south of Sunset. Comment
  CAS-BOT-BC434242  Rigiopappus leptocladus A. C. Sanders 2007-4-19 33425 Los Angeles Tehachapi Mtns. Foothills: hills north of Oso Canyon and south of the National Cement Plant. 1098 Comment
  SD87630  Rigiopappus leptocladus F. W. Peirson 1922-6-3 Los Angeles North slope of Liebre Mts. road to Collins Ranch 1145 Comment
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Jul 10 2010
  POM259069  Rigiopappus leptocladus Gaines 1940-5-10 s.n. Los Angeles Chilao Flats, San Gabriel Moutnains. Comment
  RSA652729  Robinia pseudoacacia N. D. Hogg 1969-5-16 s.n. Los Angeles San Antonio Canyon, 2 mi. So. of Mt. Baldy Village Comment
  RSA009300  Robinia pseudoacacia W. Bolander 1967-4-17 s.n. Los Angeles Verdugo Mountains: La Tuna Canyon. 457 Comment
  SEINET3200278  Romneya coulteri G. Rink 2011-6-2 10583 Los Angeles Chino Hills, northeast of La Brea, weedy place. 290 Comment
  UC729762  Rorippa nasturtium-aquaticum Carl B. Wolf 1932-5-12 3606 Los Angeles near bridge on lower road to Isthmus (Middle Ranch Canyon, Santa Catalina Island); Santa Catalina Island, Middle Ranch Canyon 30 Comment
  RSA0049585  Rorippa sphaerocarpa Justin M. Wood, Katy Vinzant, T. Valentovich 2012-6-6 4785 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  LA105066  Rosa californica Barry A. Prigge; 1988-7-3 8203 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA0083124  Rosa californica R. G. Swinney 2010-6-4 13028 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
  RSA449700  Rosa californica Anstruther Davidson s.n. Los Angeles Los Angeles. Comment
  RSA86830  Rubus ursinus Joseph A. Ewan 1931-5-17 4224 Los Angeles Spanish Canyon near Monrovia. Comment
  PASA1199  Rubus vitifolius M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  CDA2880  Rumex acetosella Phillipson 1915-9-3 Los Angeles Monrovia. Comment
  RSA563526  Rumex acetosella Tim S. Ross, W. Appleby 1993-5-14 7144 Los Angeles Wetern SAN GABRIEL MTNS: between May Canyon Saddle and May Peak [3948']. 1146 Comment
  RSA595632  Rumex conglomeratus Mark Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2392 Los Angeles Santa Catalina Island, below upper Cape Canyon Reservoir. 305 Comment
  UCR281823  Rumex conglomeratus Mitch Provance, Scott Duff 2017-6-29 617- 57 Los Angeles Catalina Island, Middle Canyon, E of McGee Lake, SCE corridor, vicinity of Middle Ranch Rd. and Cape Canyon Trail 207 Comment
  UCSB1591  Rumex conglomeratus Wedberg, H. 1958-7-15 Los Angeles Behind store at jct. New and Old Topanga Canyons, Santa Monica Mtns. Comment
  UCR59551  Rumex crispus S. J. Myers 1989-4-28 s.n. Los Angeles Palmdale area, Elizabeth Lake Road at California Aqueduct 884 Comment
  UCR92110  Rumex crispus B. G. Pitzer, Paul Gomez 1996-4-28 2748 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UCSB1604  Rumex hymenosepalus Phillips, Priscilla 1958-4-26 Los Angeles 3 miles south of Pearblossom, Mohave Desert Comment
  UC56648  Rumex maritimus Ernest Braunton 1902-6-30 507 Los Angeles Nigger Slough [Laguna Dominguez] Comment
  SBBG31073  Rumex salicifolius R. F. Thorne with D. Propst 1968-5-27 Los Angeles Middle Ranch Cyn Comment
  UCR275343  Sagina Jeremiah George, Audrey J. George 2012-4-15 s.n. Los Angeles South Coast, Torrance, behind (east of) Bishop Montgomery High School, south of Torrance Blvd. and west of Palos Verdes Blvd. 21 Comment
  RSA478899  Salicornia virginica Joseph A. Ewan 1930-9-15 5537 Los Angeles Ballona Creek near Playa del Rey Road. Comment
  POM11476  Salix exigua I. M. Johnston 1917-8-23 1685 Los Angeles San Antonio Mountains: Prairie Fork of San Gabriel River. 1524 Comment
  UCR205720  Salix exigua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36927 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from Hwy 60 crossing to above confluence with San Jose Creek, vicinity of Thienes Ave. public access to San Gab. Riv. greenway, along the Edison powerlines 71 Comment
  LA52987  Salix exigua var. hindsiana Carl Hedin; J. A. Ewan 1932-4-22 7630 Los Angeles SAN FERNANDO VALLEY, Los Angeles River, 0.4 km E of Radford Dr. 176 Comment
  UC506457  Salix exigua var. hindsiana Carl Hedin and Joseph Ewan 1933-1-28 7639 Los Angeles Comment
  RSA336396  Salix gooddingii Robert F. Thorne, Dick Tilforth 1978-6-21 52335 Los Angeles San Gabriel Mountains: Reservoir behing Little Rock Dam. Comment
  RSA754094  Salix gooddingii Ellen Mackey, Bart O'Brien, Blake Whittiington 2006-10-19 NFWF- 1808 Los Angeles Lario San Gabriel River Trail Park 180 Comment
  CAS-BOT-BC104143  Salix hindsiana F. R. Fosberg 1932-3-3 7411 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  CHSC3741  Salix laevigata 1966-4-28 14 Los Angeles App. 8 mi. NE of Newhall. 914 Comment
  LA38394  Salix laevigata Henry J. Thompson; 1960-3-13 3017 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  RSA594663  Salix laevigata Louis C. Wheeler 1967-7-30 10249 Los Angeles San Gabriel MountaiSan Gabriel Mountains. 1.6 mi. N of junction of 3N33 and 3N06 about 350-450 tds. due west of Shade Campground at base of east-facing slope. N fork Lytle Creek, on 3N33.ns. Big Tujunga Canyon at Trail Canyon. 518 Comment
  RSA0030815  Salix laevigata var. araquipa Carl W. Sharsmith 1932-1-17 11 Los Angeles Lower San Gabriel Canyon, about 9.5 km. above Azusa. 300 Comment
  RSA0034680  Salix laevigata var. araquipa Carl W. Sharsmith 1931-10-26 2 Los Angeles Santa Clara River Valley, 1.5 km. north of Castaic. 315 Comment
  CATA3188  Salix lasiolepis Julia Parish 2016-8-9 006 Los Angeles Santa Catalina Island: East of Old Cottonwood Dam Road, at drainage crossing 68 Comment
  RSA771618  Salix lasiolepis Robert F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42194 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  SBBG57865  Salix lasiolepis F. R. Fosberg 1931-10-23 5852 Los Angeles Agoura Comment
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Apr 2 2014
  UCR147850  Salix lasiolepis L. C. Wheeler 1954-8-31 7061 Los Angeles San Gabriel Mountains, Cooper Creek near confluence with Little Rock Creek, Buckhorn 1738 Comment
  CAS-BOT-BC107530  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 240 Los Angeles Little [Tejunga Canon] Tujunga Canyon Comment
  CAS-BOT-BC128523  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA443538  Salsola tragus A. C. Sanders 1987-9-18 7358 Los Angeles El Segundo Dunes, W of L.A. International Airport and Pershing Drive. 38 Comment
  RSA802557  Saltugilia splendens subsp. grantii Orlando Mistretta, Christine Mistretta 2011-7-6 5911 Los Angeles Fall Creek Canyon; tributary of N Fork Mill Creek, along Forest Road 3N27. 1239 Comment
  UC1595337  Saltugilia splendens subsp. grantii Tim Ross and Orlando Mistretta 1992-7-24 6751 Los Angeles e side Strawberry Peak (near divide between Colby and Wickiup Canyons, 120 degrees se, 1065 m distant from S.P. summit); San Gabriel Mts., e side Strawberry Peak 1560 Comment
  UCR193670  Saltugilia splendens subsp. grantii R. G. Swinney 1999-6-28 7422 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  RSA0047395  Saltugilia splendens subsp. splendens Orlando Mistretta, Mike Hammitt 1991-4-15 s.n. Los Angeles San Francisquito Canyon 543 Comment
  CDA40335  Saltugilia splendens subsp. splendens T. C. Fuller 1980-6-12 20279 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 1.3 km west of road to Mt. Wilson. Comment
  CATA1304  Salvia apiana Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2395 Los Angeles Santa Catalina Island: By road, middle of Cape Canyon 243 Comment
  CATA270  Salvia apiana Mark L. Hoefs 1973-5-15 278 Los Angeles Santa Catalina Island: By horse trail, Avalon Canyon, east exposure 83 Comment
  RSA145144  Salvia apiana Alice Ann Webb 1961-2-9 770 Los Angeles Mills Ave and Base Line, SW corner, Claremont. Mountain Range-San Gabriel, Drainage Area-San Gabriel. 396 Comment
  RSA424328  Salvia apiana William Emboden 1970-6-12 23 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  RSA424351  Salvia apiana William Emboden 1970-6-12 17 Los Angeles Topanga Canyon Blvd., 3.7 miles north of Topanga on the East bank of the road. Comment
  UCR259771  Salvia apiana R. G. Swinney 2010-4-28 12393 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
  RSA411305  Salvia apiana F. R. Fosberg 1931-5-6 S 4800 Los Angeles Cape Canyon, west side, Santa Catalina Island. Comment
  SEINET2066006 Image available Salvia carduacea Norman C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir 762 Comment
  LA70071  Salvia columbariae Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  UC1713565  Salvia columbariae E. D. Palmer May 1903 Los Angeles Garvanza Comment
  HSC14351  Salvia dorrii C. S. Apperson 1967-6-3 Los Angeles 28 miles from Gorman on Ave. D 854 Comment
  CAS-BOT-BC214317  Salvia dorrii var. pilosa B. Ertter; J. Strachan 1979-6-29 3007 Los Angeles N edge of Angeles Nat'l Foerst ca 9 air-miles ESE of Pearblossom, 1.7 mi N of Mile High on county Hwy N4 1463 Comment
  RSA147410  Salvia dorrii var. pilosa Thomas Craig 1927-6-19 473 Los Angeles Near Little Rock Dam, north base San Gabriel Mts. Comment
  IRVC28671  Salvia leucophylla A. C. Sanders, Mark Elvin 2002-6-18 25111 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
  RSA651799  Salvia leucophylla A. E. Hersh 1950-7-15 s.n. Los Angeles Saddle Peak Road leading down to ocean. 152 Comment
  JEPS62761  Salvia mellifera Olive D. Thacher 1929-6-7 Los Angeles Eagle Rock Comment
  UCR174983  Salvia mellifera Holly Summers 2006-4-30 004 Los Angeles San Gabriel Mtns., hills northeast of Tujunga, foot of Bluegum Canyon, north side of Day St. between Leona Ave. an Haines Canyon Rd. 585 Comment
  JEPS62738  Salvia mellifera W. L. Jepson 1920-5-3 8928 a Los Angeles mts n Castaic Valley 975 Comment
  LA200593  Salvia spathacea Jonathan Sauer; A. Lang, et. al. 1972-4-5 5029 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, upper, Upper canyon. Comment
  RSA8276  Salvia spathacea P. A. Munz, R. D. Harwood 1920-5-17 3972 Los Angeles Topanga Canyon, Santa Monica Mountains 152 Comment
  RSA250495  Sambucus caerulea R. F. Thorne, John Dourley 1967-10-10 37377 Los Angeles Cortelyou Springs 2072 Comment
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Aug 29 2011
  RSA549568  Sambucus mexicana T. S. Ross 1991-3-10 4220 Los Angeles Claremont: Bernard Field Station, on E side of RSA; disturbed Artemisia californica scrub. Vicinity of Phake Lake, marked as Pit on topo map. 392 Comment
  SEINET12315331  Sambucus mexicana D. P. Reagan 1974-1 15 Los Angeles just E of Sandberg along State Road N-2 Comment
  UCR259635  Sambucus nigra subsp. caerulea R. G. Swinney 2010-4-15 12221 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash 610 Comment
  LA200368  Sambucus nigra subsp. canadensis Jonathan Sauer; 1969-6-4 4582 Los Angeles SANTA MONICA MOUNTAINS, Rustic Canyon, lower, Pacific Palisades, edge of Annona orchard. Comment
  LA94335  Sambucus nigra subsp. canadensis M. Epling; Carl Epling May 1925 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UC57606  Samolus parviflorus J. H. Barber 1898-8-10 Los Angeles Topango Canyon Comment
  RSA583069  Sanicula arguta T. S. Ross 1993-4-22 6897 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560ft), 825m ESE of Cactus Peak summit, in saddle between 1548ft and 1528ft summits. 431 Comment
  UCR193427  Sanicula arguta Dan S. Cooper 2008-3-28 s.n. Los Angeles San Gabriel Valley, Summitridge Park, Diamond Bar, north side of Grand Ave., just west of San Bernardino Co. line 356 Comment
  RSA191003  Sanicula bipinnatifida R. F. Thorne, J. Henrickson 1963-5-5 32292 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont. 518 Comment
  RSA638222  Sanicula bipinnatifida L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  SFV16838  Sanicula crassicaulis J. D. Dilley 1997-3-29 149 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon. 245 Comment
  RSA471459  Sanicula crassicaulis L. C. Wheeler 1931-4-10 S- 43 Los Angeles East end of San Jose Hills at Pomona. 305 Comment
  UC1375393  Sanicula tuberosa C. W. Tilforth 1971-5-30 379 Los Angeles n of Claraboya (Claremont, Johnson's Pastures); Claremont, Johnson's Pastures Comment
  UC450876  Sarcostemma cynanchoides subsp. hartwegii Fay A. MacFadden 1931-3-29 18 E Los Angeles Tuna Canyon Verdugo Hills, Tuna Canyon 335 Comment
  LA211075  Schinus terebinthifolius Arthur C. Gibson; 2010-1-29 5277 Los Angeles SANTA MONICA MOUNTAINS, Hollywood Hills, Griffith Park, along roadside ca 400 m S of Travel Town parking lot. Comment
  RSA640282  Schismus arabicus R. F. Thorne 1971-5-18 41363 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  RSA587395  Schismus barbatus Orlando Mistretta 1992-5-8 272 Los Angeles San Gabriel Mountains. Little Rock Creek. slopes E. of Little Rock Creek Reservoir 1066 Comment
  RSA762712  Schismus barbatus R. G. Swinney 2009-2-20 10034 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  SBBG59258  Schoenoplectus americanus R. Hoffmann 1927-9-23 Los Angeles Oak's Garage, Mint Cyn Comment
  RSA366000  Schoenoplectus californicus F. R. Fosberg 1930-6-23 S- 2956 Los Angeles Del Rey. 0 Comment
  SEINET3165079  Scirpus cernuus G. B. Grant 1904-6-10 1181 a-6274 Los Angeles at Ballona Marsh Comment
  CAS-BOT-BC110942  Scirpus microcarpus Alfred James McClatchie 1893-8-29 s.n. Los Angeles Pasadena Comment
  RSA188177  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles Santa Catalina Island: Middle Ranch Canyon below Stage Station SW of Eagles Nest 76 Comment
  SFV21095  Scirpus microcarpus L. Gross, W. Law 2000-8-8 255 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  RSA135227  Scrophularia californica Peter H. Raven 1960-5-21 15412 Los Angeles Coastal safe association, University of California, Los Angeles. 122 Comment
  POM147452  Scrophularia villosa Marcus E. Jones 1927-5-29 7505 Los Angeles Isthmus, Catalina Island. Comment
  RSA647790  Scutellaria tuberosa LeRoy Gross, Michael Honer, Lel Lubinsky 2000-4-27 193 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway N 488 Comment
  RSA303814  Scutellaria tuberosa Jim R. Shevock 1970-5-3 177 Los Angeles Reche Canyon Road. 244 Comment
  UCR186905  Secale cereale A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32015 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
  RSA0081653  Sedum spathulifolium Frank W. Peirson 1908-5-9 428 Los Angeles Rocky banks of West Fork of Eaton Canyon, south base of San Gabriel Mts. 991 Comment
  UCR153431  Selaginella asprella L. C. Wheeler 1961-4-21 7803 Los Angeles Transverse Ranges; San Gabriel Mountains, Half mile west of Sulphur Springs Campground Comment
  LA200009  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-19 1748 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3.5 mi from mouth of canyon. 304 Comment
  RSA656422  Selaginella bigelovii Valerie Sosa, LeRoy Gross, Ruby Kopelov 2000-3-30 663 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 548 Comment
  UC62416  Selaginella bigelovii J. H. Barber 1897-3-26 Los Angeles Santa Monica Canyon Comment
  UC35948  Senecio californicus H. P. Chandler 1897-2-10 Los Angeles Claremont Comment
  IRVC27788  Senecio flaccidus var. douglasii A. C. Sanders 2005-5-11 30175 Los Angeles Santa Clarita area, upper Plum Cyn along Plum Cyn Rd between crest and vernal pool on bench in mid cyn, NW of Forest Park between Mint and Bouquet cyns. Western San Gabriel/Liebre Mtns Region 579 Comment
  POM156524  Senecio flaccidus var. douglasii L. R. Abrams 1902-7-3 2646 Los Angeles Little Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA529898  Senecio flaccidus var. douglasii Timothy S. Ross 1991-8-16 5806 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  CAS-BOT-BC341194  Senecio lyonii Carl B. Wolf 1932-5-14 3630 Los Angeles Rocky cliff between Avalon and Pebbly Beach, Santa Catalina Island 30 Comment
  SBBG37437  Senecio lyonii S. A. Junak with M. L. Hoefs, L. Stratton 1998-6-11 SCa 716 Los Angeles E side of Avalon Cyn, across from Quail Cyn and above baseball field 106 Comment
  SBBG108988  Senecio vulgaris S. A. Junak 1997-3-13 SCl 775 Los Angeles E fork of first cyn E of Mosquito Cyn 304 Comment
  RSA682714  Senecio vulgaris LeRoy Gross, Bill Hogshead, Valerie Soza 2003-5-29 959 Los Angeles West end of the mountains: At junction (saddle) of Verdugo motorway and Wildwood Fire Road (Abandoned road, as the ranch north of here at mouth of canyon down at La Tuna Canyon burned down a long time ago.), We went down into a small draw northeast of saddle, then came back up another canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) Basically a triangle. 564 Comment
  SEINET10589628  Setaria Joseph A. Ewan 1932-7-11 Ewan 7470 Los Angeles Hard adobe of neglected lawn Ingraham St. L.A., Ca. Comment
  UCR186913  Sidalcea malviflora A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32021 A 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
  SBBG62397  Sidotheca trilobata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SEINET3155713  Silene anglica G. B. Grant 1905-4-2 1206 Los Angeles Collected at Pasadena, southern California Comment
  UC1587634  Silene gallica Tim Ross 1991-4-21 4543 Los Angeles ridge of n side Turnbull Canyon Whittier Hills, Puente Hills pro parte, Turnbull Canyon (Puente Hills, pro parte, Whittier Hills) Comment
  JEPS50919  Silene gallica Frank W. Peirson 1919-5-14 420 Los Angeles Eaton Canyon San Gabriel Mountains, Eaton Canyon 731 Comment
  RSA477877  Silene gallica Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  SD66895  Silene gallica R. Mitchel Beauchamp 1967-3-17 244 Los Angeles San Clemente Island; west of Wilson Cove. Comment
  SDSU17724  Silene gallica S. H. Bullock 1968-4-2 29 Los Angeles Claremont, Blanchard Park, Mills Ave. between First and Sixth Streets. 351 Comment
  LA94363  Silene laciniata subsp. laciniata Harlan Lewis; 1940-4-3 1285 Los Angeles Santa Monica Mountains, Pacific Coast Hwy 15 mi N [W] of Malibu Comment
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Aug 11 2014
  RSA477920  Silene laciniata subsp. major Frances M. Morey 1922-5-22 s.n. Los Angeles Culver City. Comment
  UCR209972  Silene parishii R. G. Swinney 2008-7-25 9315 Los Angeles San Gabriel Mtns., base of east slope of Mt. Waterman along Mt. Waterman Trail 0.4 mi. SW of Hwy 2 2110 Comment
  UCR277123  Silene parishii R. G. Swinney 2010-9-23 13892 Los Angeles San Gabriel Mountains, summit of Middle Hawkins Peak on Hawkins Ridge 2593 Comment
  RSA228962  Silene verecunda subsp. platyota R. F. Thorne 1971-8-25 41328 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  UCR272987  Silybum marianum R. G. Swinney 2011-4-26 14509 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  RSA250687  Silybum marianum R. F. Thorne 1971-3-31 41460 Los Angeles Johnson's Pastures, N of Mountain Ave., Claremont. 549 Comment
  SD69707  Sinapis arvensis Robert F. Thorne 1966-4-29 36291 Los Angeles Santa Catalina Island; disturbed ground near dam, Middle Ranch, Middle Ranch Canyon. 199 Comment
  CAS-BOT-BC74961  Sinapis arvensis Louis C. Wheeler 1933-6-26 1885 Los Angeles San Bernardino Avenue at San Antonio Avenue. Pomona. 259 Comment
  RSA725211  Sisymbrium altissimum Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -32 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  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
  UCR178898  Sisymbrium erysimoides R. G. Swinney 1989-4-25 s.n. Los Angeles San Gabriel Mtns, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, 0.8 mi east of Glendora Mtn Road 412 Comment
  JEPS14823  Sisymbrium irio Frank W. Peirson 1923-3-23 3355 Los Angeles streets of Claremont Claremont Comment
  SBBG96666  Sisymbrium orientale S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 a Los Angeles lower half of China Cyn Comment
  UCD115611  Sisymbrium orientale Daryl Koutnik; Vickie Dawes 1978-5-12 482 Los Angeles Arroyo Sequit along Mulholland Highway. 548 Comment
  UCR223070  Sisymbrium orientale R. G. Swinney 2009-5-6 10679 A Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA592414  Sisyrinchium bellum Mark Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: above Parsons Landing 61 Comment
  RSA0035005  Sisyrinchium bellum W. M. Arbaugh 1968-5-13 264 Los Angeles Cal Poly, on grassy hillside behind Fremont Hall. Comment
  RSA682567  Solanum americanum A. C. Sanders 2003-5-26 26846 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
  SBBG133003  Solanum americanum S. A. Junak 1996-4-12 SCI 298 Los Angeles NE end of island, along E side of Skink Alley Rd, in swale N of Peak 59, with building 60166, 1 mi NE of San Clemente Ridge Rd 140 Comment
  HSC79776  Solanum americanum Donna Panico 1972-4-27 9 Los Angeles Glendale, 0.5 mi. S Honolulu Ave. on Whiting Woods Rd. in Henderson Cyn. in Verdugo Mts. 335 Comment
  CATA1324  Solanum douglasii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-15 2421 Los Angeles Santa Catalina Island: Upper end of Renton Mine Road 243 Comment
  SBBG128429  Solanum douglasii M. L. Hoefs 1994-5-21 1842 Los Angeles SE end of Renton Mine Rd 262 Comment
  SBBG70608  Solanum douglasii M. N. Ackley -Oct-1925 974 Los Angeles Verdugo Wash, Glendale 243 Comment
  OBI35600  Solanum douglasii Rebecca Cicoria 1981-4-24 11 Los Angeles Lower Sepulveda Cyn, Rolling Hills Comment
  POM18266  Solanum douglasii Philip A. Munz 1923-4-8 6605 Los Angeles San Clemente Island Comment
  RSA668159  Solanum douglasii Don Jillson 1961-3-19 s.n. Los Angeles Scholl Canyon. 299 Comment
  UCD126928  Solanum douglasii Robert F. Thorne; P. C. Everett 1964-2-7 33466 Los Angeles lower end of Pebbly Beach Canyon, east end of Santa Catalina Island. 76 Comment
  CAS-BOT-BC156471  Solanum umbelliferum E. Braunton 1902-4-1 464 Los Angeles North Pomona Comment
  RSA127409B  Solanum umbelliferum Robert Gustafson 1978-6-1 963 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  UC1595430  Solanum umbelliferum Tim Ross 1992-7-10 6637 Los Angeles 310 m e of where Coldwater Canyon meets Big Tujunga Creek ( Big Tujunga Canyon, e side of road to Colby Ranch); San Gabriel Mountains, Big Tujunga Canyon 963 Comment
  SBBG16975  Solanum umbelliferum K. A. Wilson, D. E. Bianchi 1961-2-2 817 Los Angeles Placerita Rd, 1.5 mi E of Hwy 6 Comment
  UC1408947  Solanum umbelliferum Donald R. Bissing 1973-5-18 98 Los Angeles Evey Canyon, 1.1 mi from canyon mouth Evey Canyon; San Gabriel Mountains, Evey Canyon 902 Comment
  HSC21327  Solanum xanti C. S. Apperson 1967-6-3 Los Angeles 6 mi. E of Hwy. 99 on Ave. D Comment
  LA51385  Solanum xanti Henry J. Thompson; 1959-3-22 1865 Los Angeles Santa Monica Mountains, Las Virgines Rd, 1 mi N of Tapia Park, N of Malibu Canyon Rd 213 Comment
  NY820450  Solanum xanti L. Abrams 1902-6-17 2556 Los Angeles Sepulveda cañon, Santa Monica Mts. Comment
  RSA587456  Solidago californica Orlando Mistretta 1995-4-11 1618 Los Angeles San Gabriel Mountains. Santiago canyon. Canyon and slopes draining W slopes of Santiago Canyon ca. 1 mi. SW of confluence with Little Rock Creek. 1098 Comment
  RSA587492  Solidago californica Orlando Mistretta 1994-9-13 1473 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1189 Comment
  RSA93073  Solidago californica F. W. Peirson 1918-11-1 230 Los Angeles Arroyo Seco Canyon, south slope of San Gabriel Mts. 1296 Comment
  SEINET5506777 Image available Solidago spectabilis Randy L. Smith 1986-1 26 Los Angeles Upper Winter Creek Trail, between Chantry Flat and Hoegee's Camp, Angeles National Forest; Arroyo Seco Ranger Dist 762 Comment
  CAS-BOT-BC365027  Solidago velutina subsp. californica F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canon [Canyon], San Gabriel Mountains Comment
  UC63385  Solidago velutina subsp. californica Ernest Braunton 1903-9-1 905 Los Angeles Glendale to Burbank Comment
  RSA611049  Sonchus asper subsp. asper L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  RSA641645  Sonchus asper subsp. asper L. C. Wheeler 1967-5-31 9809 Los Angeles Pallet Creek at confluence with Big Rock Creek 1082 Comment
  RSA657026  Sonchus oleraceus Joseph M. Keefe 2001-1-19 30903 Los Angeles on north side of Upperton Avenue (north across street from 1871 Upperton Avenue) at intersection with Upperton Place; pass in ridge between Eagle Rock Valley and York Valley (Highland Park); Los Angeles, California 90042. 262 Comment
  RSA657284  Sonchus oleraceus Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -14 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  SD69794  Sonchus oleraceus Robert F. Thorne 1966-4-7 Los Angeles Santa Catalina Island: moist shade of Prunus ilicifolia lyonii forest at bottom of canyon, Cherry Valley. 60 Comment
  CAS-BOT-BC374613  Sonchus oleraceus L. R. Abrams; I. L. Wiggins 1931-7-3 297 Los Angeles Channel Islands. Santa Barbara Island Comment
  RSA12389  Sonchus oleraceus C. B. Wolf 1934-4-11 5601 Los Angeles Bryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets. 15 Comment
  LA10625  Sorghum halepense Marion Olsen; June 1926 sn Los Angeles Arcadia Comment
  UCD92746  Sorghum halepense Beecher Crampton 1965-10-27 7594 Los Angeles Ca. 2.6 miles SW of Saugus, US Hwy. 99 - Interstate 5. Comment
  RSA0086913  Spartium junceum R. G. Swinney 2010-3-30 12107 Los Angeles Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA656257  Spartium junceum Jan Roach 1975-11-28 3 Los Angeles Verdugo Mountains: Leeward side of hill, 1 mile north of Brand Park, Verdugo Hills, Glendale. 567 Comment
  SBBG94220  Spergularia bocconi F. R. Fosberg 1931-4-3 4478 Los Angeles Pebbly Beach 2 Comment
  UCR214654  Spergularia bocconi A. C. Sanders, Dan S. Cooper 2010-4-30 38145 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA0097918  Spergularia bocconi R. F. Thorne 1966-4-17 36105 Los Angeles San Clemente Island: mesa just NW of Thirst. 549 Comment
  UCR68938  Spergularia macrotheca Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4250 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA478037  Spergularia macrotheca Robert Gustafson 1981-3-26 2137 Los Angeles Ballona Wetlands, Area 1. Comment
  CAS-BOT-BC390338  Spergularia macrotheca var. macrotheca L. R. Abrams; I. L. Wiggins 1931-7-6 360 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC390339  Spergularia macrotheca var. macrotheca L. R. Abrams; I. L. Wiggins 1931-7-6 360 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor Comment
  CAS-BOT-BC390324  Spergularia macrotheca var. macrotheca Martin A. Piehl 1962-6-9 62361 Los Angeles California Channel Islands. At China Point (s. of lighthouse). San Clemente Island 15 Comment
  RSA580347  Stachys bullata Louis C. Wheeler 1936-7-3 4210 Los Angeles San Gabriel Mountains: Bailey Canyon. 396 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  UC1818706  Stachys bullata Richard S. Hood 1970-5-16 307 Los Angeles 1.9 mi n Pacific Coast Hwy. (on Tuna Canyon Road); Santa Monica Mtns., Tuna Canyon Comment
  UCR220375  Stachys bullata R. G. Swinney 2009-4-16 10350 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA151736  Stanleya pinnata R. C. Bacigalupi 1954-4-8 4392 Los Angeles Along Hwy 101A, opposite Malibu Pt, and 1/4 mile E of bridge across Malibu Creek, near Serra Franciscan Retreat 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
  SBBG117038  Stebbinsoseris heterocarpa S. A. Junak 2001-5-4 SCa 1490 Los Angeles SE of Parson's Landing 121 Comment
  SBBG17773  Stebbinsoseris heterocarpa P. H. Raven 1962-4-10 17206 Los Angeles summit of Thirst 579 Comment
  CDA2526  Stenotaphrum secundatum Margaret Bellue, Tower 1946-8-1 Los Angeles Elysian Park. 0 Comment
  UCR266787  Stephanomeria Mitch Provance, Scott Duff 2015-11-9 1115- 08 Los Angeles Antelope Valley, S side of Hwy 138, c. 4.7 miles W of Antelope Acres, SCE transmission route, c. 0.2 miles E of 140th St. W 790 Comment
  RSA784834  Stephanomeria cichoriacea J. D. Olmsted 1959-9-21 965 Los Angeles Along road above Big Dalton dam along side inlet from Monroe Canyon in San Dimas Experimental Forest NE of Glendora, San Gabriel Mts. 518 Comment
  RSA0039572  Stephanomeria cichoriacea Timothy S. Ross 1991-8-16 5805 Los Angeles San Gabriel Mountains: Clear Creek Canyon, roadcut along Angeles Forest Hwy. 1085 Comment
  SEINET11800542  Stephanomeria cichoriacea J. F. Bright, Wyman, C. 1931-1 5669 Los Angeles around Hollywood Comment
  UC57427  Stephanomeria exigua subsp. deanei J. H. Barber 1897-6-25 Los Angeles Santa Monica Forestry Station Comment
  UC127122  Stephanomeria pauciflora H. M. and G. R. Hall 1908-7-4 8331 Los Angeles San Francisquito Canyon Comment
  RSA128783  Stephanomeria virgata P. H. Raven, Henry J. Thompson 1958-10-11 13750 Los Angeles Santa Monica Mountains. Lat N 34 deg.; Long. 118 deg. to 119 W. Tuna Canyon Road 0.5 miles from Saddle Peak Road 518 Comment
  SDSU553  Stephanomeria virgata Joan Godsil 1952-10-2 526 Los Angeles Claremont, in field by P.E. station. 366 Comment
  CAS-BOT-BC375820  Stephanomeria virgata Wesley O. Griesel 1961-8-22 s.n. Los Angeles Los Angeles 152 Comment
  UCR253904  Stephanomeria virgata subsp. pleurocarpa Mitch Provance 2009-6-24 0609- 4 Los Angeles Western Transverse Range, Gorman, near Peace Valley Rd. crossing of Gorman School Rd., truck stop near Hungry Valley 1166 Comment
  UCR280809  Stephanomeria virgata subsp. pleurocarpa Mitch Provance 2017-6-30 617- 44 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., lower portion of Chime Tower Rd. 79 Comment
  CATA3450  Stephanomeria virgata subsp. virgata Benjamin J. Dion, Stuart Olshevski 2017-6-28 032 Los Angeles Santa Catalina Island: Channel Side; on flat area along a cliff above the beach at Ripper's Cove 22 Comment
  SBBG105357  Stephanomeria virgata subsp. virgata H. L. Ferguson 1981-8-11 259 Los Angeles W of Lemon Tank near main rd; near Lemon Tank Dam 342 Comment
  RSA160478  Stephanomeria virgata subsp. virgata J. D. Olmsted 1959-11-11 1082 Los Angeles Fish Fork San Gabriel River, between sixth and seventh falls 1280 Comment
  UC213258  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UCR125934  Stillingia linearifolia A. C. Sanders, Mark Elvin 2002-6-19 25191 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  UCR266678  Stillingia paucidentata D. E. Bramlet 2008-10-27 4412 Los Angeles Western Mojave Desert, Palmdale, Oasis Substation, Columbia Way (Ave. M) and 20th St. East 756 Comment
  SEINET10960836  Stipa Unknown 1944-4-25 Anonymous s.n. Los Angeles Needle and Tread Grass. Monroyia Canyon. Comment
  UCR51520  Stipa cernua A. C. Sanders 1988-2-3 7603 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  OBI29185  Stipa hymenoides David J. Keil 1976-12-12 11901 Los Angeles 5 mi W of San Bernardino Co line along Calif Rte 138 Comment
  UCR62857  Stipa hymenoides B. Lennart Johnson 1957-5-4 s.n. Los Angeles Mojave Desert, c. 23 mi north of Palmdale Comment
  UCR143121  Stipa lepida F. R. Fosberg 1931-3-19 S- 4304 Los Angeles Channel Islands, Santa Catalina Island, Hamilton Canyon, near Avalon 10 Comment
  RSA0127508  Stipa miliacea Louis C. Wheeler 1967-7-18 10100 Los Angeles Little Tujunga Canyon at Gold Creek Road. 488 Comment
  OBI2578  Stipa speciosa Larry E. Brown 1970-5-2 1789 Los Angeles Angeles Natl Forest at northern base of San Gabriel Mts ca. 10 mi S of Joshua Tree state park Comment
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Sep 29 2015
  UCR116284  Stipa speciosa B. G. Pitzer 1998-5-23 3715 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
  UCR223233  Stipa speciosa R. G. Swinney 2009-5-20 10830 Los Angeles Transverse Range; San Gabriel Mtns., Pechner Canyon, SE of community of Juniper Hills 1463 Comment
  SBBG63197  Stylocline gnaphaloides R. Hoffmann 1932-4-26 Los Angeles Mint Cyn, N of Solemint Comment