Search Results — 2000 specimen records retrieved (1549 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA69964  Abronia umbellata F. W. Peirson 1843 Los Angeles Long Beach Comment
  LA200657  Abronia umbellata subsp. umbellata Henry J. Thompson; 1958-10-23 1821 Los Angeles Santa Monica Mountains, Point Dume, above the beach 30 Comment
  CDA34293  Acacia baileyana M. O'Brien 2006-11-12 MOB 06 -5 Los Angeles Santa Monica Mountains; Tapia County Park. Comment
  UCR99443  Acacia baileyana L. C. Wheeler 1968-2-4 s.n. Los Angeles San Gabriel Mtns., Bluebird Ranch (Truck Trail) east of Richard Ferguson's House 457 Comment
  SD90061  Acacia cyanophylla Nancy Ryan Zabriskie 1973-2-25 567 Los Angeles South Pasadena, untended vacant lot south of the east end of Mill Road, west side of the storm drain Comment
  UC1765237  Acacia retinodes A. C. Sanders 1988-2-3 7599 Los Angeles El Segundo Dunes, immediately W of LA International Airport & Pershing Dr., E of Vista Del Mar Blvd. Coastal dunes formerly largely occupied by residential neighborhoods, the houses removed ca. 15 yrs ago. 30 Comment
  SEINET12344128  Acanthus mollis M. E. Mathias 1948-6-30 2181 Los Angeles West Los Angeles, Vavra Estate Comment
  LA97389  Acer macrophyllum Kei Nakai; 1976-4-15 TCSP - 14 -76 Los Angeles SANTA MONICA MOUNTAINS, Topanga Canyon, Topanga Canyon State Park, 2.75 mi up Topanga Canyon Blvd. 152 Comment
  POM183629  Acer macrophyllum Joseph A. Ewan 1929-5-18 1254 Los Angeles Las Flores Canyon Comment
  UCSB12494  Acer macrophyllum Haines, A. 1962-3-24 Los Angeles Topanga Canyon; Santa Monica Mountains 152 Comment
  UCSB51472  Acer macrophyllum Bishop, Richard 1967-5-13 Los Angeles 2 mi. east of Live Oak Gampground, on Bear Cnyn. Rd. San Gabriel Mtns 762 Comment
  RSA776735  Acer negundo Steve D. Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11675 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA0020367  Achillea millefolium Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5072 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  SD247304  Achillea millefolium R. G. Swinney 2008-7-24 9343 Los Angeles San Gabriel Mountains: Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA355905  Achillea millefolium var. californica R. F. Thorne 1975-9-3 47372 Los Angeles Santa Catalina Island. Near Blue Cavern Point 15 Comment
  RSA660107  Achnatherum coronatum Orlando Mistretta 1992-6-12 568 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCD169367  Achnatherum parishii R. G. Swinney 2008-9-4 9416 Los Angeles San Gabriel Mtns., Dry Lake, Blue Ridge, SW of Wrightwood and 0.4 mi. east of junction of Hwy 2 and road 3N06/Blue Ridge Rd. 2250 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
  LA201723  Acmispon americanus var. americanus Arthur C. Gibson; 2001-5-18 4816 Los Angeles Santa Monica Mountains, Rocky Oaks National Recreation Area, Near Mullholand and Malibu Comment
  SDSU4279  Acmispon argophyllus var. adsurgens R. M. Beauchamp 1967-6-4 566 Los Angeles San Clemente Island. Below 4th terrace above east side of Pyramid Cove. 274 Comment
  CAS-BOT-BC204765  Acmispon argophyllus var. argenteus Geo. B. Grant 1901-4-1 715 Los Angeles Avalon, Catalina Isl. Comment
  CAS-BOT-BC204775  Acmispon argophyllus var. argenteus Alice Eastwood 1917-7-20 6488 Los Angeles Santa Catalina Island Comment
  UC864894  Acmispon dendroideus var. dendroideus Carl B. Wolf 1932-5-13 Los Angeles Santa Catalina Island. Hamilton Canyon, Lower end, at turn of road to Airport. Comment
  SBBG101159  Acmispon dendroideus var. traskiae T. Ross 1992-4-14 6158 Los Angeles just below the mouth of Nanny Cyn on ridge that separates Nanny Cyn drainage from the escarpment 99 Comment
  SBBG126260  Acmispon glaber var. brevialatus A. C. Sanders with T. B. Salvato, M. Provance 2009-5-28 37020 Los Angeles San Gabriel River channel between Ramona Blvd and Lower Azusa Rd, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 92 Comment
  SBBG31483  Acmispon grandiflorus var. grandiflorus R. F. Thorne 1966-4-6 37912 Los Angeles N slope of Black Jack Mtn along Airport Rd 426 Comment
  RSA0110770  Acmispon micranthus Steven A. Junak, Mark L. Hoefs, Sara L. Crockett 1997-3-27 SCa- 353 Los Angeles Santa Catalina Island. Upper part of Cape Canyon drainage, ca. 0.65 mi SW of Black Jack Peak. 396 Comment
  CATA483  Acmispon strigosus Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 625 Los Angeles Santa Catalina Island: N side of Cherry Harbor, overlooking mud flats, 40 - 60 m upslope 48 Comment
  SBBG79505  Acourtia microcephala F. R. Fosberg 1931-5-18 4905 Los Angeles Cottonwood Cyn, near mouth, S wall 60 Comment
  UC150041  Adenostoma fasciculatum L. R. Abrams 1906-7-19 Los Angeles Mt. Wilson Trail 457 Comment
  RSA0124091  Adenostoma fasciculatum Louis C. Wheeler 1967-7-15 10012 Los Angeles West end. Waterman Mt. 61 Comment
  POM617  Adenostoma fasciculatum var. fasciculatum H. P. Chandler 1897-4-12 s.n. Los Angeles Claremont. 915 Comment
  RSA390563  Adenostoma fasciculatum var. fasciculatum Bonnie C. Templeton 1960-5-14 8446 Los Angeles Mint Canyon near Solemint. Comment
Read comments
Jul 14 2011
  RSA583036  Adenostoma fasciculatum var. fasciculatum Tim S. Ross 1993-4-22 6876 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft. ); northeasterly slope 100 meters due N of summit. 468 Comment
  SBBG17183  Adenostoma fasciculatum var. fasciculatum K. A. Wilson 1961-3-1 886 Los Angeles Mulholland Hwy ca. 2 mi W of Las Virgenes Hwy Comment
  RSA687678  Adiantum capillus-veneris M. B. Dunkle 1928-3-9 1721 Los Angeles Santa Catalina Island, Silver Canyon. 168 Comment
  SD234215  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns: lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon (Mount Baldy 7.5' Q) 975 Comment
  UCR190226  Adiantum capillus-veneris R. G. Swinney 1998-7-30 6599 Los Angeles San Gabriel Mtns., lowest large waterfall in Spruce Canyon, a tributary from the west of San Antonio Canyon 976 Comment
  UCR194254  Adiantum capillus-veneris R. G. Swinney 1998-8-5 6653 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  LA3993  Adiantum jordanii Carl Epling; Lincoln Ellison 1929-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  RSA158305  Adiantum jordanii Peter H. Raven 1962-5-9 17694 Los Angeles San Clemente Island, canyon just north of Gray 366 Comment
  SEINET1908068  Aesculus californica L. R. Abrams, E. A. Macgregor 1908-1 330 Los Angeles Oak grove Canyon, Liebre Mts. 1219 Comment
Read comments
Apr 17 2014
  UCR191733  Aesculus californica A. C. Sanders 2008-4-23 35082 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  CAS-BOT-BC153  Agave victoriae-reginae f. viridis A. J. Breitung 1959-9-26 18162 Los Angeles unspecified Comment
  RSA602051  Ageratina adenophora Scott D. White 1997-5-7 5065 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. 320 Comment
  RSA730718  Agoseris grandiflora R. G. Swinney 1997-6-13 5583 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. 1829 Comment
  UCR242040  Agoseris grandiflora Dan S. Cooper 2012-4-30 412- 2 Los Angeles Santa Monica Mountains, Topanga, west end of Robinson Road/ Kim Trail, off North Topanga Canyon Blvd/Hwy 27 281 Comment
  UCR186982  Agoseris heterophylla A. C. Sanders 2006-4-10 32003 Los Angeles Tehachapi Mtns. Foothills, Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake 1006 Comment
  RSA0101277  Agoseris retrorsa R. G. Swinney 2011-6-22 15262 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
  RSA608003  Agrostis exarata L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon. 1189 Comment
  UCR277237  Agrostis idahoensis R. G. Swinney 2010-9-30 13940 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 2341 Comment
  SBBG17976  Agrostis pallens E. R. Blakley 1963-4-10 5583 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  CHSC100222  Agrostis viridis John Dittes; Josephine Guardino 2006-11-26 1436 Los Angeles Western Transverse Range; San Gabriel Mtns.; Big Tujunga Cyn; ca. 2.7 air-miles SE of Mt. McKinley, ca. 3.8 air-miles W of Big Tujunga Reservoir, ca. 3.6 air-miles NE of Mt. Gleason Jr. High School; moist sand at edge of Big Tujunga Creek near Delta Flat Picnic Area. 512 Comment
  UCR209922  Agrostis viridis R. G. Swinney 2008-7-12 9169 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, lower Volfe Canyon near confluence with Big Dalton Canyon 573 Comment
  LA212439  Albizia lophantha Jack Pepper; 1953-2-11 s.n. Los Angeles Comment
  SEINET8722554 Image available Alchemilla arvensis F. R. Fosberg 1931-1 S 4341 Los Angeles Hamilton Canyon, Santa Catalina Island. Alt. 75 m. 75 Comment
  UCR62533  Alchemilla occidentalis R. G. Swinney 1990-3-24 1561 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. East end of Eagle Ridge, west of new homes 274 Comment
  RSA249784  Allium fimbriatum var. fimbriatum Robert F. Thorne 1973-4-25 43405 Los Angeles San Gabriel Mountains, Mojave Desert Slope: 1/4 mi N of Bob's Gap, 3.5 miles S of Llano, N slope of Holcomb Ridge 1159 Comment
  UCR191675  Allium fimbriatum var. fimbriatum T. B. Salvato 2008-4-22 3313 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  RSA247424  Allium haematochiton Jack Delaini, Ken Zakar 1974-4-30 157 Los Angeles Lodi Canyon, San Dimas experimental Forest 808 Comment
  UCR192588  Allium lacunosum var. davisiae A. C. Sanders 2008-4-10 34800 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  RSA587081  Allium monticola Orlando Mistretta, Steve Boyd 1995-5-23 1717 Los Angeles Bare Mt. Canyon near summit of Bae mt. on N ridge. 1768 Comment
  UC729464  Allium praecox Carl B. Wolf 1932-5-10 3520 Los Angeles back of Avalon (along the equestrian trail); Santa Catalina Island 259 Comment
  RSA515130  Allium praecox Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-30 805 -4 Los Angeles San Clemente Island. Waynuk Canyon, W slope of island. Comment
  RSA609266  Allophyllum divaricatum L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek ,off West Fork San Gabriel River. 609 Comment
  SEINET2444429  Allophyllum divaricatum A. C. Sanders, Mark A. Elvin; Dave Fleitner 2003-8-6 27146 Los Angeles Ne end of Santa Susana Mtns.: Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle. 280 Comment
  RSA0110930  Allophyllum gilioides R. G. Swinney 2011-6-7 15073 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air-mile due east of Angeles Crest Hwy & 0.5 mile due north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stoney Ridge Observatory. 1768 Comment
  RSA0036425  Allophyllum glutinosum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6981 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  SEINET4044461  Allophyllum glutinosum D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UC55345  Allophyllum glutinosum J. H. Barber 1898-8-3 Los Angeles Topango Comment
  UCR149773  Allophyllum glutinosum Scott D. White, Pam Devries 2004-5-18 10433 Los Angeles Western Transverse Ranges, Eastern Santa Susana Mtns. West of the I-5 Fwy, c. 4 mi N of the I-5 / SH-14 jtn. and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges 518 Comment
  UCR150451  Alnus rhombifolia R. G. Swinney 1999-6-21 7357 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR224028  Alnus rhombifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11688 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA602078  Alternanthera philoxeroides L. C. Wheeler 1946-8-9 6222 Los Angeles San Gabriel: Rio Hondo at San Gabriel Boulevard. Comment
  RSA786330  Amaranthus blitoides K. Dobry 1991-6-27 783 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  JEPS54295  Amaranthus californicus Frank W. Peirson 1922-7-6 3183 Los Angeles Big Pines San Gabriel Mountains 2072 Comment
  RSA402980  Amaranthus deflexus Wm. Martin, R. Gustafson 1971-7-14 s.n. Los Angeles Corner of Jefferson and Rodeo Blvd., Los Angeles. Comment
  RSA611924  Amaranthus palmeri L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA416872  Amblyopappus pusillus Blanche Trask 1900-03 3693 Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG107231  Amblyopappus pusillus J. Rebman, J. Dunn 1996-4-29 Los Angeles Eel Cove and Eel Cove Cyn 6 Comment
  UCR108387  Ambrosia acanthicarpa L. C. Wheeler 1961-6-13 7878 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR210173  Ambrosia acanthicarpa R. G. Swinney 2008-10-16 9620 Los Angeles San Gabriel Mtns., Big Pine Meadow 2061 Comment
  SBBG95602  Ambrosia chamissonis M. B. Dunkle 1939-4-6 7286 Los Angeles Mosquito Harbor Comment
  SFV16043  Ambrosia chamissonis A. M. Orcino, A. Sutton 1994-4-23 5 Los Angeles Playa del Rey Beach, corner of Pacific Ave. and Convoy St., 0.1 mile north of Culver Blvd. 2 Comment
  UC1211045  Ambrosia chamissonis Huron H. Smith 1912-5-9 4955 Los Angeles Redondo 0 Comment
  UC88843  Ambrosia chamissonis T. S. Brandegee 1890-5-16 Los Angeles Santa Catalina Island Comment
  UCD150964  Ambrosia chenopodiifolia D. S. Park 2010-4-27 50 Los Angeles Ranch Santa Ana Botanic Garden 375 Comment
  LA91057  Ambrosia psilostachya T. A. Geissman; 1970-8-14 TAG 14870 MD Los Angeles Santa Monica Mountains, Mulholland Dr. at San Diego Frwy 365 Comment
  SD185164  Amsinckia intermedia A. C. Sanders, Helen Kennedy 2005-4-13 29441 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 456 Comment
  SD49387  Amsinckia intermedia Reid Moran 1959-3-9 7163 Los Angeles San Clemente Island, canyon 2 miles southeast of Eel Point 99 Comment
  UC306215  Amsinckia intermedia I. Johnston 1918-4-11 1833 Los Angeles s of Glendora; Love Hill Comment
Read comments
Apr 7 2014
  UCR125925  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin 2002-6-19 25178 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, head of 'Adobe Cyn.' and pass into 'Long Cyn.' 1.5 mi. SE of Del Valle, SW of Castaic Junction, north of Potrero Cyn. 335 Comment
  RSA0091366  Amsinckia tessellata R. G. Swinney 2011-4-1 14291 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC2013784  Amsinckia tessellata Richard R. Halse 2002-3-25 6134 Los Angeles Along State Highway 138, 5.3 miles W of its junction with State Highway 14; Antelope Valley. Comment
  UCR281967  Amsinckia tessellata R. G. Swinney 2014-4-24 16232 Los Angeles San Gabriel Mountains/Mojave Desert, SE of Valyermo, Shoemaker Cyn., S-facing slope on south side of Big Pines Hwy at 2nd horseshoe curve, 0.7 mile ENE of jct. of Big Rock Creek Rd. 1244 Comment
  SBBG51641  Amsinckia tessellata R. Gustafson, C. Davidson 1977-4-20 406 Los Angeles Escondido Cyn Rd ca. 1 mi NE of jct with Agua Dulce Cyn Rd 762 Comment
  UCSB7342  Amsinckia tessellata Wedberg, H. 1957-4-20 Los Angeles Soledad Canyon, Hwy 6 Comment
  RSA0061125  Amsinckia tessellata var. tessellata LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6829 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA571539  Amsinckia tessellata var. tessellata Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8304 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  SEINET12280502  Amsinckia vernicosa J. F. Bright, Wyman, C. 1931-1 5305 Los Angeles Antelope Valley Comment
  RSA583064  Anagallis arvensis Tim S. Ross 1993-4-22 6901 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft.); 750m due N of Cactus Peak summit. Northerly slope draining to middle Bullrush Canyon. 320 Comment
  RSA0048293  Anagallis linifolia P. R. Brown 1970-4-27 38 Los Angeles Canon de Lana. Comment
  RSA593763  Ancistrocarphus filagineus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8548 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  CAS-BOT-BC137813  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1946-9-2 6343 Los Angeles San Gabriel Mountains. West Fork San Gabriel River, 0.5 mile west of Bear Creek. 518 Comment
  CATA307  Anemopsis californica Mark L. Hoefs 1973-6-5 331 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 91 Comment
  RSA503859  Anemopsis californica M. B. Dunkle 1933-5-30 3563 Los Angeles Carbon Canyon. Comment
  RSA416650  Anisocoma acaulis Anstruther Davidson 1893-5-12 s.n Los Angeles Lancaster. Comment
  RSA507542  Anthemis cotula L. C. Wheeler 1967-6-26 9910 Los Angeles Elsmere Canyon. 457 Comment
  RSA416831  Anthemis cotula Anstruther Davidson 1889-1 s.n. Los Angeles [No additional locality data] Comment
Read comments
Mar 31 2015
  RSA479901  Anthriscus caucalis Steve Boyd, Thomas Elias 1987-4-14 2046 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  LA201025  Anthriscus caucalis Carl Wishner; 1991-5-7 1946 Los Angeles Santa Monica Mountains, Corbin Canyon 99 Comment
  RSA0020366  Antirrhinum coulterianum Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5071 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA80187  Antirrhinum coulterianum F. W. Peirson 1919-2-12 188 Los Angeles Field near foot of Lukens Trail, San Gabriel Mountains. 610 Comment
  SBBG83172  Antirrhinum coulterianum R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  UC450765  Antirrhinum coulterianum Fay A. MacFadden Jun 1931 88 E Los Angeles Tuna Canyon; Verdugo Hills Comment
  UCD123434  Antirrhinum coulterianum Gerald Dickinson 1962-4-24 28 Los Angeles Stunt Road and Mulholland Drive, Santa Monica Mountains. 365 Comment
  POM72419  Antirrhinum kelloggii Philip A. Munz 1925-4-23 9431 Los Angeles San Gabriel Canyon. 488 Comment
  SFV7991  Antirrhinum kelloggii T. Gordon, M. H. Grayum, K. Felt 1976-5-7 1357 Los Angeles San Gabriel Mountains On hillside adjacent to lower Trail Canyon. 793 Comment
  SFV16678  Antirrhinum multiflorum P. Wilson, J. M. Albert 1996-6-12 3446 Los Angeles San Gabriel Mountains Off Highway 2 at mile marker 44.03, near Short Cut. 1524 Comment
  UCR181254  Antirrhinum multiflorum R. G. Swinney 1997-6-12 5564 Los Angeles San Gabriel Mtns, San Gabriel River Canyon north of Morris Dam, at private shore NE of dam 488 Comment
  SBBG117034  Antirrhinum nuttallianum subsp. subsessile S. A. Junak 2001-5-5 SCa 1502 Los Angeles W side of Middle Ranch Cyn, near Middle Cyn Rd, ca. 1.4 mi from intersection with Airport Rd 326 Comment
  CATA2990  Aphanisma blitoides Peter J. Dixon 2015-2-26 022 Los Angeles Santa Catalina Island: Pensioner's Flats watershed. .68 mile South of Little Harbor. .53 mile East of Sentinel Rock. halfway between coast and Middle Cyn. Rd. 110 Comment
  RSA470374  Apiastrum angustifolium H. de Forest 1926-1 s.n. Los Angeles Verdugo Woodlands. Comment
  UC440441  Apiastrum angustifolium H. Anderson, Carl Epling 1930-5-30 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon Comment
  UC557714  Apiastrum angustifolium Nell Murbarger April, 1936 50 Los Angeles San Clemente Island Comment
  UCR127967  Apiastrum angustifolium A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26089 Los Angeles Western San Gabriel Mtns., Newhall Ranch, Castaic Mesa, east of the filtration plant and Lake Hughes Rd., north of Charlie Canyon 457 Comment
  UC407307  Apiastrum angustifolium LeRoy Abrams 1903-3-14 3136 Los Angeles San Pedro Hills; Southern California, San Pedro Hills Comment
  RSA0098786  Apocynum cannabinum R. G. Swinney 2011-6-1 14936 B Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA229012  Apocynum cannabinum R. F. Thorne, C. W. Tilforth 1971-6-30 40771 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  UC10123  Arabis glabra State Survey 1862-5-3 572 Los Angeles San Antonio River Comment
Read comments
Jan 20 2011
  UCR191677  Arabis pulchra T. B. Salvato 2008-4-22 3300 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  UCR213951  Arabis pulchra var. gracilis Dave Silverman, Cindy Hopkins 2007-4-27 6781 Los Angeles Tejon Ranch, W of California Aqueduct, N of Oso Canyon, 0.8 miles SSE of National Cement and 600m NE of Oso 3804 benchmark 1052 Comment
  UCR147297  Arabis sparsiflora var. arcuata Orlando Mistretta, Peter L. Morrell 1992-6-4 484 Los Angeles Transverse Ranges; San Gabriel Mountains region, Shortcut Canyon, OVH area. Arroyo District, paralleling Big Tujunga 1463 Comment
  SEINET10532881  Araucaria bidwillii David B. Dunn 1939-10-25 Dunn UMO 46542 Los Angeles Cultivated tree near Colorado Blvd and Orange, Pasadena, California. Comment
  CAS-BOT-BC23852  Arctostaphylos catalinae Brandegee 1889-5-1 24 Los Angeles Santa Catalina Island Comment
  RSA253130  Arctostaphylos catalinae Gary D. Wallace, Mark Hoefs 1975-3-23 1412 Los Angeles Santa Catalina Island above road from Avalon ca. 1/8 mi. S of Haypress Reservoir. 411 Comment
  SBBG39161  Arctostaphylos catalinae E. R. Blakley 1963-4-10 5584 Los Angeles jct of White's Landing and Airport Rd, NE side of Black Jack Mtn 365 Comment
  SEINET11996218  Arctostaphylos catalinae W. Knight, Knight, I.; Wells, P. V. 1989-1 6420 Los Angeles Santa Catalina Island, near Haypress Reservoir Comment
  RSA550439  Arctostaphylos gabrielensis T. S. Ross 1992-7-10 6642 Los Angeles San Gabriel Mountains; Big Tujunga Canyon, 310m E of where Coldwater Canyon meets Big Tujunga Creek. Disturbed chaparral just S of creek, E side of the road to Colby Ranch. 973 Comment
  RSA626674  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-27 15783 Los Angeles Santa Clara Divide Road (3N17), 8-10 km off Sand Canyon Road, San Gabriel Mountains. 1000 Comment
  RSA626700  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-6-23 15711 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA626746  Arctostaphylos glandulosa Jon E. Keeley 1978-2-25 7041 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  RSA626769  Arctostaphylos glandulosa Jon E. Keeley, Melanie Baer-Keeley 1992-6-20 11152 Los Angeles Dirt on road on north face of Verdugo Mountains. 650 Comment
  RSA626748  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1978-2-25 7043 Los Angeles Shortcut Summit, 0.5 km east of Shortcut Picnic Ground. 1560 Comment
  RSA629083  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20250 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA629091  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Allen Massihi 1992-8-20 20258 Los Angeles Mill Creek Summit, Angeles Forest Hwy. San Gabriel Mtns. 1470 Comment
  RSA233781  Arctostaphylos glandulosa subsp. mollis R. F. Thorne, Larry E. DeBuhr 1972-8-18 42234 Los Angeles Charlton Flats Burn W. of Mt. Mooney 1645 Comment
  RSA631299  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21989 Los Angeles Liebre Mountains, 3.5 km east of Bear Campground. 1675 Comment
  RSA609268  Arctostaphylos glauca L. C. Wheeler 1968-5-25 s.n. Los Angeles San Gabriel Mountains: Mesa on west side of Bear Creek off West Fork San Gabriel River. 610 Comment
  RSA631416  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15632 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631418  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15709 Los Angeles Angeles Forest Highway, 11 km north of Big Tujunga Canyon turnoff. 1425 Comment
  RSA631535  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16051 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  RSA631537  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16012 Los Angeles Whitaker Peak, northwestern San Gabriel Mountains. Comment
  RSA631582  Arctostaphylos glauca Jon E. Keeley 1993-11-20 25175 Los Angeles Tuna Canyon Road and Reigate Road. 700 Comment
  RSA631609  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15642 Los Angeles Clear Creek Vista, Angeles Crest Highway. 1130 Comment
  RSA631660  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20182 Los Angeles Study-site above Switzers, off Angeles Crest Highway. 1070 Comment
  SFV2645  Arctostaphylos glauca P. G. Kilburn 1957-12-28 577 Los Angeles San Gabriel Mountains Trail to Devil's Punchbowl. South-facing, dry slopes. Comment
  UC1121450  Arctostaphylos glauca Jerome S. Horton 1936-3-24 260 Los Angeles Tanbark Flats Pomona Quadrangle, Tanbark Watershed Comment
  UC1950244  Arctostaphylos glauca Barbara Ertter with Teresa Sholars and David Thompson 1987-5-24 6977 Los Angeles head of Dorr Canyon on Hwy 2 E of Dawson Saddle, San Gabriel Mts ca 9 airmiles W of Wrightwood Comment
  UCR258814  Arctostaphylos glauca R. G. Swinney 2010-5-25 12975 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
  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
  UCR114208  Arctostaphylos parryana A. C. Sanders, D. Malueg 1998-6-24 22080 Los Angeles San Gabriel Mtns., 2 miles east of Mt. Gleason at Little Gleason Forestry Plantation, on So. Cal. Edison Mesa-Vincent transmission line at tower 7-2 1707 Comment
  RSA634914  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22061 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  UCR108194  Arenaria douglasii Steve Boyd, R. K. Brummitt, Laura A, Moore 1998-5-26 10229 Los Angeles Liebre Mtns, Warm Springs Mtn, knoll NW of summit along road into Necktie Basin. 1134 Comment
  UCR184203  Arenaria douglasii A. C. Sanders, T. B. Salvato 2007-4-24 33491 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1128 Comment
  UCR191681  Arenaria douglasii T. B. Salvato 2008-4-22 3318 Los Angeles Transverse Range; Northwestern San Gabriel Mountain Foothills/Mojave Desert, east of Neenach in the Antelope Valley, south of Hwy 138 and west of 265th Street, slopes west of Pine Canyon 1006 Comment
  UCR205928  Arenaria douglasii R. G. Swinney 2008-5-5 8774 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  UC57614  Argemone munita J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  UCR124675  Argemone munita B. C. Templeton 1933-7-21 5017 Los Angeles San Gabriel Mountains, between Prairie Forks and Big Pines Camp 2092 Comment
  UCSB18391  Argemone munita Ensign, Judy 1963-5-3 Los Angeles Mint Canyon Campground, U.S. Highway 6, 7.7 miles N of intersection of Soledad Canyon Road 609 Comment
  CAS-BOT-BC401657  Argemone munita subsp. munita Belle Richardson Jackson 1941-6-1 s.n. Los Angeles Road up to Mt. Wilson, from La Canyada [Canada] Comment
  UCR217343  Arida carnosa David Charlton 2009-9-7 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base 697 Comment
  CAS-BOT-BC84970  Artemisia californica Joseph Andorfer Ewan 1932-10-22 10806 Los Angeles Above Avalon, Santa Catalina Island. Comment
  RSA0108893  Artemisia californica Richard G. Swinney 2010-8-11 13509 Los Angeles San Gabriel Mountains: San Olene Canyon, below Chantry Flats, junction with Chantry Flats Trail/service road. 595 Comment
  RSA417231  Artemisia californica House, Grumbles 1930-5-13 8 Los Angeles San Clemente Island Comment
  SBBG17978  Artemisia californica E. R. Blakley 1963-4-8 5554 Los Angeles ridge S of Avalon Valley above Avalon Terrace 243 Comment
  SDSU6221  Artemisia californica R. M. Beauchamp 1967-6-2 537 Los Angeles On north rim of canyon below Lemon Tank, San Clemente Island. 305 Comment
  SD251654  Artemisia californica M. B. Dunkle 1939-11-24 7342 Los Angeles San Clemente Island; mosquito summit. Comment
  IRVC24024  Artemisia douglasiana Fred M. Roberts, Gordon A. Marsh 1985-10-16 2489 Los Angeles Long Beach: Los Angeles River Channel between Willow St. and Pacific Coast Hwy, 3-4.5km from ocean, along margin of channeled river course in early successional riparian habitat, sandy soil. southern coastal 5 Comment
  RSA0081640  Artemisia douglasiana R. G. Swinney 2010-9-9 13737 Los Angeles Big Cienaga, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA0091527  Artemisia douglasiana R. G. Swinney 2010-6-29 13393 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  RSA417272  Artemisia douglasiana F. R. Fosberg 1931-10-11 7214 Los Angeles Topanga Canyon. Santa Monica Mts. Comment
  UC535341  Artemisia douglasiana Ira W. Clokey, B. Templeton 1929-6-1 4594 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon 200 Comment
  JEPS30639  Artemisia dracunculus Henry J. Thompson and Peter H. Raven 1959-9-27 14512 Los Angeles Sepulveda Canyon Santa Monica Mountains, Sepulveda Canyon 243 Comment
  UCR125119  Artemisia dracunculus A. C. Sanders, Mark Elvin 2002-6-18 25109 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park 328 Comment
  CAS-BOT-BC90814  Artemisia nesiotica Reid Moran 1958-9-15 6833 Los Angeles Canyon 1.8 miles SE of Eel Point, San Clemente Island 100 Comment
  UC1119420  Artemisia tridentata subsp. parishii H. A. Jensen 1934-6-1 380 Los Angeles n Pinyon Ridge; Angeles National Forest, Rock Creek Quadrangle Comment
  RSA611050  Arundo donax L. C. Wheeler 1968-5-12 s.n. Los Angeles San Gabriel Mountains: Pallett Creek 1280 Comment
  LA50701  Asclepias eriocarpa J. A. Ewan; Carl Epling 1993-7-7 7595 Los Angeles 426 Comment
  UCR208193  Asclepias erosa Ian Swift 2001-9-10 333 Los Angeles Transverse Ranges, Liebre Mountains region, Lower Poison Oak Canyon 1098 Comment
  RSA758714  Asclepias fascicularis R. G. Swinney 2008-10-7 9469 Los Angeles Big John Flats, north of Ball Flats, south base of Big John Peak 1622 Comment
  RSA0127175  Asclepias fascicularis Louis C. Wheeler 1967-7-23 10165 Los Angeles Barrel Springs. San Andreas Fault zone. Comment
  SD113032  Asclepias vestita Darley F. Howe 1947-5-5 1547 Los Angeles Highway between Vincent and Littlerock; Mojave Desert. Comment
  CAS-BOT-BC68857  Aspidotis californica Timothy S. Ross 1992-5-24 6409 Los Angeles San Gabriel Mts. - Lower Brown's Gulch: just W of the San Gabriel Dam 464 Comment
  LA82521  Aspidotis californica O. H. Kappler; 1941-3-9 106 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon 365 Comment
  RSA686326  Aspidotis californica F. R. Fosberg 1931-1-7 7118 Los Angeles Mouth of little Santa Anita Canyon, Sierra Madre. 300 Comment
  UCR208181  Aspidotis californica M. B. Dunkle 1928-4-10 1821 Los Angeles Channel Islands, Santa Catalina Island, Johnson's Canyon 274 Comment
  CAS-BOT-BC68856  Aspidotis californica Jon Nickoloff 1973-3-1 730301 -8 Los Angeles San Gabriel Mts. - 25' E. of Mt. Wilson Trail 609 Comment
  RSA225896A  Aspidotis californica R. F. Thorne, A. C. Gibson 1971-5-22 39767 Los Angeles San Gabriel Mts., Angeles National Forest: upper Fish Canyon near Falls 396 Comment
  RSA608442  Aster greatae L. C. Wheeler 1932-9-30 1414 Los Angeles 1/4 mi. below falls, Fish Canyon, San Gabriel Mts. 335 Comment
  RSA93793  Aster hesperius F. W. Peirson 1919-11-7 1279 Los Angeles Rio Hondo Comment
  RSA0139313  Astragalus bicristatus Sarah J. De Groot 2005-6-30 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Along forest service road 4N21 off Table Mountain Road. 2186 Comment
  RSA642042  Astragalus bicristatus Orlando Mistretta 1993-6-28 910 Los Angeles San Gabriel Mountains: Angeles National Forest. Table Mountain; Sunrise ski area. Comment
  UC57474  Astragalus brauntonii J. H. Barber 1898-8-5 Los Angeles Malibu Comment
  CAS-BOT-BC177827  Astragalus curtipes Marcus E. Jones 1903-5-15 s.n. Los Angeles Catalina Island 30 Comment
  UCR147607  Astragalus douglasii Naomi Fraga, S. DeGroot 2004-6-1 1234 Los Angeles Transverse Ranges; San Gabriel Mountains region, Along Lytle Creek Ridge Road (3N13) 1982 Comment
  UCR180355  Astragalus douglasii Scott D. White, Pam Devries 2006-5-9 11406 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  POM2566  Astragalus lentiginosus var. variabilis L. R. Abrams, E. A. McGregor 1908-6-30 516 Los Angeles Palmdale. Comment
  RSA151203  Astragalus miguelensis P. H. Raven 1962-7-11 18012 Los Angeles San Clemente Island, Wilson Cove 61 Comment
  SD47447  Astragalus miguelensis Ira L. Wiggins 1949-2-22 11960 Los Angeles San Clemente Island, northern end, on sand dunes Comment
  UC1215121  Astragalus miguelensis Peter H. Raven 1962-7-11 18012 Los Angeles Wilson Cove San Clemente Island, Wilson Cove (on open grassy slopes, San Clemente Island) 60 Comment
  RSA415639  Astragalus palmeri Anstruther Davidson s.n Los Angeles Catalina [Island] Comment
  CAS-BOT-BC193028  Astragalus purshii var. tinctus Paul F. Covel 1938-4-19 1307 Los Angeles Hgwy just east Gorman Comment
  SBBG39232  Astragalus trichopodus var. lonchus R. Moran 1941-2-23 640 Los Angeles NW of Wilson's Harbor [Emerald Cove], vicinity of Johnson's Landing 30 Comment
  CAS-BOT-BC194045  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-10 3528 Los Angeles Summit of the Equestrian Trail, back of Avalon, Santa Catalina Island 304 Comment
  POM49779  Astragalus trichopodus var. lonchus L. W. Nuttall 1920-6-4 s.n Los Angeles Santa Catalina Island. Comment
  RSA595999  Astragalus trichopodus var. phoxus L. C. Wheeler 1967-5-2 9253 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 366 Comment
  RSA655801  Astragalus trichopodus var. phoxus James Henrickson 2000-4-15 20700 Los Angeles Ca. 1 mi SE of Newhall in Whitney Canyon SE of junction of San Fernando Road and State Highway 14; ca. 1/2 mile E of Highway 14. 488 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
  RSA155858  Atriplex argentea P. H. Raven 1962-7-12 18021 Los Angeles Near point at east end or Northwest Harbor, San Clemente Island 30 Comment
  RSA526623  Atriplex californica Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4213 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  CAS-BOT-BC170113  Atriplex lentiformis W. R. Dudley 1899-7-1 s.n. Los Angeles Santa Monica near the beach. Comment
  OBI35621  Atriplex lentiformis Rebecca Cicoria 1981-4-23 14 Los Angeles 1/2 mi from Rolling Hills Fire STation down Portuguese Canyon, Rancho Palos Verdes Comment
  RSA251518  Atriplex lentiformis subsp. breweri R. F. Thorne 1973-4-12 42936 Los Angeles San Clemente Island: Pyramid Cove at S end of island, near small point between Triton and Thresher. 5 Comment
  SBBG12209  Atriplex leucophylla E. R. Blakley 1961-9-23 4731 Los Angeles base of Ballast Pt Comment
  UC850845  Atriplex leucophylla Ezra C. Knopf 189 Los Angeles Santa Catalina Island Comment
  RSA478310  Atriplex leucophylla G. J. Hoffenberg 1928-7-24 s.n. Los Angeles Del Rey Palisades Comment
  SD90426  Atriplex leucophylla Robert F. Thorne 1973-4-12 42917 Los Angeles San Clemente Island; dunes at Horse Cove, south end of island. 3 Comment
  SEINET4135319  Atriplex nummularia Philip A. Munz 1932-8-31 12817 Los Angeles Playa del Rey.; 0 Comment
  RSA0029486  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2748 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus. 3 Comment
  CATA342  Atriplex semibaccata Mark L. Hoefs 1973-7-20 383 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  RSA478397  Atriplex semibaccata House, Grumbles s.n Los Angeles San Clemente Island. Comment
  CAS-BOT-BC176588  Atriplex serenana var. davidsonii E. Braunton 1902-4-27 s.n. Los Angeles Temple St., Los Angeles Comment
  UC850935  Atriplex serenana var. serenana Ezra C. Knopf 161 Los Angeles Santa Catalina Island Comment
  RSA223704  Atriplex torreyi E. C. Twisselmann 1970-9-8 17474 Los Angeles North end of Rosamond Lake. 732 Comment
  RSA155871  Atriplex watsonii P. H. Raven 1962-7-10 17950 Los Angeles Near west shore of island, due west of Wall 2, San Clemente Island Comment
  RSA652771  Avena barbata Monica Acosta 1998-5-14 8 Los Angeles The Center for Regenerative Studies, South of California State Polytechnic University. 225 Comment
  LA37868  Avena barbata Harlan Lewis; 1941-3-19 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA385397  Avena fatua Albert J. Perkins 1920-02 s.n. Los Angeles Street in western Los Angeles. Comment
  RSA654015  Avena sativa Valerie L. Soza, Laura Moore 2000-5-10 846 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, W of peak ''1936''. 579 Comment
  RSA709750  Baccharis douglasii A. C. Sanders 2003-8-6 27116 Los Angeles Newhall Ranch, Santa Clara Riverbed, below confluence of Castaic Creek, east of Del Valle 280 Comment
  LA31674  Baccharis pilularis Peter H. Raven; 1959-10-4 14566 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  RSA648012  Baccharis pilularis Diane Elliott 1985-5-17 45 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  SBBG13541  Baccharis pilularis subsp. consanguinea E. R. Blakley 1962-10-3 5383 Los Angeles Wrigley Reservoir at summit of the island rd 426 Comment
  OBI26286  Baccharis salicifolia Mark Schneider 1973-5-12 27 Los Angeles Vogel Flats, Big Tujunga Canyon 792 Comment
  UCR163181  Baccharis salicina Anuja Parikh, Nathan Gale 2004-6-21 2054 Los Angeles Santa Clara River Valley, Newhall Ranch (study area 29), near mouth of Chiquito Canyon 396 Comment
  RSA592338  Bassia hyssopifolia R. F. Thorne, C. W. Tilforth, S. Nilsson 1972-7-20 42193 Los Angeles San Gabriel Mts., Angeles National Forest: Caldwell Lake near Valyermo (sag pond on the San Andreas Fault) 1570 Comment
  RSA423220  Bassia hyssopifolia Robert Gustafson 1980-8-8 1894 Los Angeles Ballona Wetlands, Area 2. Comment
  SD69524  Bassia hyssopifolia Robert F. Thorne 1966-4-6 35922 Los Angeles Santa Catalina Island, west of Empire Landing, old quarry. 74 Comment
  RSA769897  Bebbia juncea R. G. Swinney 2009-3-31 10231 Los Angeles mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  UCD129537  Bebbia juncea var. aspera G. H. Vansell 1936-6-1 s.n. Los Angeles Sawmill Mt. Comment
  UCR231070  Bidens pilosa Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Forest Lawn Dr. adjacent to Forest Lawn Cemetery 159 Comment
  RSA691044  Bituminaria bituminosa Scott D. White 2003-10-22 9839 Los Angeles Foothills above Sierra Madre. L.A. Dept of Public Works Sierra Madre Debris Basin. Northern terminus of Sumac St. (Mt. Wilson) 366 Comment
  RSA670439  Bloomeria crocea I. W. Clokey, B. C. Templeton 1929-05 4543 Los Angeles Mandeville Canyon, Santa Monica Mountains. 500 Comment
  UC905456  Bloomeria crocea Ira W. Clokey, B. Templeton 1929-5-1 4543 Los Angeles Mandeville Canyon Santa Monica Mountains (ridge) 500 Comment
  RSA652692  Bloomeria crocea Phillip Robinson 1991-5-19 368 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd and Workman Mill Road. 1.75 miles east of Workman Mill Rd on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  CAS-BOT-BC482058  Bloomeria crocea var. crocea Carl B. Wolf 1932-5-9 3464 Los Angeles Santa Catalina Island; Junctiion of Skyline Drive & Pebbly Beach Road; Rancho Santa Ana Botanic Garden 30 Comment
  RSA367304  Bloomeria crocea var. crocea B. C. Templeton 1920-5-27 1465 Los Angeles Mulholland Drive. 300 Comment
  RSA367322  Bloomeria crocea var. crocea H. Twining 1906-05 s.n. Los Angeles Elysian Park, Foothills Comment
  RSA668664  Boechera californica Steve Boyd, Michael Denslow 2002-5-9 10437 Los Angeles Just north of Sunset Peak along Sunset Peak Road, head of Spruce Canyon. 1524 Comment
  RSA532660  Boechera californica Timothy S. Ross 1991-8-14 5758 Los Angeles Roundtop Mountain. 1878 Comment
  IRVC26858  Bowlesia incana Reid Moran 1941-2-17 576 A Los Angeles Middle Ranch, Santa Catalina Island. 500 Comment
  UCR71254  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4302 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA729344  Boykinia rotundifolia R. G. Swinney, D. W. Larson 1999-6-25 7401 Los Angeles San Gabriel Mtns.: Fern Canyon at falls, c. 1,7 mi. east of confluence with upper East Fork San Dimas Canyon 1159 Comment
  RSA155832  Brachypodium distachyon P. H. Raven 1962-5-22 17825 Los Angeles Santa Catalina Island, above Emerald Bay 122 Comment
  UCR252730  Brassica geniculata R. G. Swinney 2010-5-29 13416 Los Angeles San Gabriel Mountains, junction of 'W. Fork' May Canyon with May Canyon Truck Trail, Forest Service Road 3N54 793 Comment
  UCR261136  Brassica geniculata R. G. Swinney 2010-2-27 11725 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA0084243  Brassica nigra Jennifer Jones 2006-5-27 339 Los Angeles South Hills Park Glendora. E of Grand Avenue and S of Alosta Avenue. 244 Comment
  RSA600512  Brassica rapa L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  CAS-BOT-BC100412  Brickellia californica Henry J. Thompson 1958-10-22 1812 Los Angeles just north of Mount Hollywood, Griffith Park 381 Comment
  CAS-BOT-BC100436  Brickellia californica Grinnell 1911-9-29 s.n. Los Angeles San Gabriel Mts., Bailey [Canon] Canyon Comment
  SBBG98319  Brickellia nevinii F. Grinnell Jr. 1911-9-29 Los Angeles Bailey Cyn 762 Comment
  SEINET11861394  Brickellia nevinii J. F. Bright, Wyman, C. 1931-8-15 5687 Los Angeles around Hollywood Comment
  UC72240  Brodiaea jolonensis Pupils of Los Angeles High School 1904-4 Los Angeles Los Angeles Comment
  RSA0110563  Brodiaea jolonensis Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 SCa- 598 Los Angeles Santa Catalina Island. N of Airport Road, at S end of Whitley's Peak ridge. 417 Comment
  SD241671  Bromus R. G. Swinney 1998-7-6 6283 Los Angeles San Gqabraiel Mountains: Mescal Canyon, 0.8 mile north of junction of Hwy 2 and Mescal Canyon Road (Mescal Creek 7.5'Q) 1732 Comment
  SEINET3128749  Bromus berteroanus G. B. Grant 1905-4-15 123 Los Angeles Pasadena Comment
  SD186029  Bromus carinatus A. C. Sanders, Helen Kennedy 2005-4-13 29439 Los Angeles Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 456 Comment
  UCR138506  Bromus carinatus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mtns., Little Fish Fork, Fish Fork Camp. 2012 Comment
  CAS-BOT-BC149199  Bromus carinatus var. carinatus Geo. B. Grant 1906-8-1 s.n. Los Angeles Oak Knoll. Comment
  SEINET943644  Bromus carinatus var. carinatus Steve Boyd, Walter Appleby 1993-1 8164 Los Angeles Western San Gabriel Mountains, N. of Sylmar and S. of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along ridgeline on western side of Loop Canyon; Rancho Santa Ana Botanic Garden 792 Comment
  RSA656168  Bromus catharticus Joseph M. Keefe 1977-6-11 22103 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km west of Elinita Ave. Camp Max Straus. 427 Comment
  RSA656418  Bromus diandrus Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 674 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCR204445  Bromus diandrus R. G. Swinney 2005-4-15 8215 Los Angeles San Gabriel Mtns., Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 351 Comment
  LA200943  Bromus diandrus Norman A. Cole; May 1964 322 .1 Los Angeles SANTA MONICA MOUNTAINS, 6.3 mi from Pacific Coast Hwy along Piuma Rd. 365 Comment
  UCD58632  Bromus grandis L. R. Abrams 1902-6-29 2600 Los Angeles Summit of Mt. Wilson. Comment
  UCR73385  Bromus grandis T. S. Ross 1991-8-14 5780 Los Angeles San Gabriel Mtns, Roundtop Mountain 1768 Comment
  RSA0097176  Bromus hallii R. G. Swinney 2011-6-1 14980 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  UC589646  Bromus hordeaceus Nell Murbarger March 1936 237 Los Angeles San Clemente Island Comment
  CDA1846  Bromus madritensis subsp. madritensis L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; near the mouth, east side little Tujunga. Near BM. 1227. Comment
  CATA1835  Bromus madritensis subsp. rubens Denise Kraus 2000-4-24 14 Los Angeles Santa Catalina Island: (Goat Harbor burn area) approximately 2,770 ft. north of Airport Road and 690 ft. east of western fuel break ridge (western fuel break ridge starts midway along parking loop off Airport Road). At GHB Transect 3 368 Comment
  POM363929  Bromus rubens Edith A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA674247  Bromus rubens LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 698 a Los Angeles South side; Along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned in Summer-Fall of 2002. 823 Comment
  RSA0077093  Bromus sterilis R. G. Swinney 2010-4-15 12224 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  UCR223554  Bromus tectorum R. G. Swinney 2009-6-2 10996 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  LA33358  Bromus tectorum Peter H. Raven; Henry J. Thompson 1959-5-5 14109 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy, 1 mi W of Las Virgenes Rd, Malibu Creek drainage. 274 Comment
  RSA713150  Cakile maritima A. C. Sanders, Lee Jones 2005-4-8 29369 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  RSA733726  Calandrinia breweri R. G. Swinney 2000-5-6 7670 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  SBBG56420  Calocedrus decurrens R. Hoffmann 1929-5-19 Los Angeles Los Angeles Recreation Park 1828 Comment
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Jun 11 2015
  CAS-BOT-BC132279  Calochortus catalinae Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  UCR65200  Calochortus catalinae F. R. Fosberg 1931-4-2 S- 04456 Los Angeles Channel Islands, Santa Catalina Island, divide between Hamilton and Descanso Canyons 250 Comment
  SEINET6744572 Image available Calochortus catalinae B. C. Templeton 1939-1 4587 Los Angeles Hillside, Huntington Palisades, Santa Monica Mountains, Los Angeles County, California. Comment
  SEINET3885358  Calochortus invenustus Timothy S. Ross, Darin L. Banks 1994-6-21 7984 Los Angeles Vicinity of Pacifico Mountain: descending northerly ridge with Tie Canyon on the W, an upper tributary of Santiago Canyon on the E; ca 2175 m NW of Pac. Mtn's 7124-foot summit. Pacifico Mountain USGS 7.5' quad.; 0 1939 Comment
  RSA599770  Calochortus kennedyi var. kennedyi Steve Boyd, David E. Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9789 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  UC1175005  Calochortus plummerae P. C. Everett and E. K. Balls 1959-6-29 23873 Los Angeles Santa Monica Mountains, Stokes Canyon Stokes Canyon; Santa Monica Mountains, Stokes Canyon 152 Comment
  UCR147544  Calochortus plummerae Naomi Fraga, LeRoy Gross, Sarah De Groot, Paul Morton 2004-6-3 1240 Los Angeles Transverse Ranges; San Gabriel Mountains, Along the Barrett Stoddard Road (2N04) between Cascade and Barrett Canyon 1341 Comment
  UCR281337  Calochortus plummerae R. G. Swinney 2014-5-21 16618 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  RSA0031453  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2008-6-4 2537 -a Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact area 8 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1233 Comment
  UCSB31580  Calochortus splendens Griesel, Wesley 1962-7-6 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  LA82409  Calyptridium monandrum O. H. Kappler; 1944-5-7 607 Los Angeles SANTA MONICA MOUNTAINS, Cold Creek, Monte Nido, N slope near fire station. 304 Comment
  RSA0115753  Calyptridium monandrum R. G. Swinney 2011-3-29 14277 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
  SBBG121264  Calyptridium monandrum V. Soza, L. Moore 2000-5-10 849 Los Angeles Verdugo Crestline Drive, N of La Tuna Cyn and S of Pasko Park, fire rd S of Verdugo Crestline Dr from fire gate to power lines, W of peak '1936" 563 Comment
  CDA1001  Calystegia macrostegia D. G. Kelch 1991-3-17 1301 Los Angeles Santa Catalina Is.; 1.5 km N of Avalon. 0 Comment
  UCR258499  Calystegia macrostegia R. G. Swinney 2010-3-10 11815 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UCR273251  Calystegia macrostegia subsp. arida R. G. Swinney 2011-5-6 14622 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  SBBG119347  Calystegia macrostegia subsp. intermedia V. Soza with L. Gross 2001-5-14 1211 Los Angeles above Santa Anita Cyn, ca. 0.5 mi WNW of the Santa Anita Dam; T1N R11W S10, W/2, NW/4, SW/4 762 Comment
  UCR159910  Calystegia macrostegia subsp. intermedia Orlando Mistretta 1992-7-13 678 Los Angeles Transverse Ranges; San Gabriel Mountains region, Los Pinetos Spring Canyon Trail 915 Comment
  UCR195262  Calystegia macrostegia subsp. intermedia Valerie Soza, Mariam Sidibeh 2003-3-26 1602 A Los Angeles Transverse Ranges; San Gabriel Mountains region, Verdugo Mountains, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Haines Canyon Park vicinity, SSW of Dorothy and Estepa Drive intersection 549 Comment
  RSA608305  Calystegia occidentalis subsp. fulcrata L. C. Wheeler 1946-8-29 6306 Los Angeles Blue Ridge, 1.5 miles SW Swarthout 2240 Comment
  RSA698760  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Paul Morton 2004-6-10 1370 Los Angeles East end of the main crest; (Road surveys for the Angeles National Forest, road 7N23) Traveled from east to west [west to east] from the junction with Atmore Meadows road (7N19) along Sawmill Mountain to Burnt Peak road (7N23A) 1590 Comment
  RSA716907  Calystegia occidentalis subsp. fulcrata LeRoy Gross, Bruce Campbell 2006-6-29 2543 Los Angeles Forest Service Road Surveys: Blue Ridge Road (3N06), and Road (3N39). From near 34.33199N, 117.65379W top of Paririe Fork, east of Lupine Campground walk back to Angeles Crest Highway (2). Comment
  RSA66534  Camelina microcarpa F. W. Peirson 1922-7-7 3181 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  UCR190802  Camissonia R. G. Swinney 1999-7-5 7543 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  RSA229105  Camissonia boothii subsp. decorticans Robert F. Thorne, C. W. Tilforth 1971-6-30 40742 Los Angeles San Gabriel Mountains, Angeles National Forest. dry bank along Big Rock Creek above Sycamore Flat 1402 Comment
  UCR222778  Camissonia californica R. G. Swinney 2009-5-6 10659 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
  RSA702961  Camissonia campestris Scott D. White, Michael Honer 2004-3-30 9973 Los Angeles Eastern edge of the City of Palmdale, ca. 1 mile west-northwest of Four Points 838 Comment
  UCD103325  Camissonia campestris Michael Alvord; Marc Blain, Mark Meyers 1993-5-1 33 Los Angeles City of Llano, Mojave Desert, 2.9 miles S of Hwy 138, on Largo Vista Road, W side of road. 850 Comment
  CHSC26011  Camissonia campestris subsp. campestris James Henrickson 1971-5-2 5536 Los Angeles 15 mi. E. of Palmdale, 3 mi. N. of Hwy. 138 along 167 St. So. of Lovejoy Buttes in Mojave Desert. 944 Comment
  UCR205830  Camissonia confusa R. G. Swinney 2008-5-8 8790 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
  UCR247274  Camissonia hirtella Dan S. Cooper 2013-8-8 813- 41 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  RSA578583  Camissonia intermedia Tim S. Ross, Steve D. Boyd 1994-5-10 7729 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
  RSA607222  Camissonia intermedia Louis C. Wheeler 1968-5-30 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon, depression on bench NE of Campground. 1433 Comment
  RSA186563  Camissonia pallida subsp. pallida Peter H. Raven 1959-4-13 13995 Los Angeles Mojave Desert, 1 miles W of Little Rock Comment
  UCR197766  Camissonia pallida subsp. pallida Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 45 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
  RSA11023  Camissonia strigulosa Carl B. Wolf 1928-3-29 1605 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  UCR259142  Camissonia strigulosa R. G. Swinney 2010-4-28 12379 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
  UCR259602  Camissonia strigulosa R. G. Swinney 2010-5-11 12625 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
  UCR166276  Camissoniopsis bistorta Scott D. White 1996-3-18 3839 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  LA105302  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Barry A. Prigge; David S. Verity 1988-10-6 8338 .2 Los Angeles 12 Comment
  SD38661  Camissoniopsis cheiranthifolia subsp. suffruticosa Edith A. Purer 1931-4-28 2033 Los Angeles Redondo Beach Comment
  RSA0081705  Camissoniopsis hirtella R. G. Swinney 2011-7-21 15548 Los Angeles Strawberry Peak summit. 1860 Comment
  SBBG61440  Camissoniopsis hirtella R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  UCR273299  Camissoniopsis hirtella R. G. Swinney 2011-5-10 14649 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, along Ecology Loop Trail from Nature Center to 0.65 miles to the east 488 Comment
  SDSU3363  Camissoniopsis hirtella H. Wedberg 1958-5-10 287 Los Angeles On Latigo canyon Road 0.4 mi. from Mulholland Hwy and just north of Calamigos Star 'C' Ranch. Cleistogamous. Comment
  CDA37998  Camissoniopsis micrantha T. C. Fuller 1962-4-1 8160 Los Angeles North side of Hwy. 66, western limits of Azusa. 0 Comment
  UC10300  Capsella bursa-pastoris Harley P. Chandler 1897-1-6 Los Angeles Claremont 365 Comment
  PASA393  Capsella bursa-pastoris Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  LA200313  Cardamine californica C. L. Hogue; 1954-3-13 sn Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  UC402548  Cardamine californica A. R. Davis 1915-7-4 556 Los Angeles mountains above Claremont (Southern California); mountains above Claremont Comment
  RSA484637  Cardamine oligosperma Samuel R. Tyson 1942-4-24 1650 Los Angeles San Dimas Canyon. 502 Comment
  RSA441722  Cardionema ramosissimum Jack Rempel 1932-4-23 s.n. Los Angeles El Segundo. Comment
  UCR260375  Carduus pycnocephalus R. G. Swinney 2010-4-23 12371 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR259376  Carex R. G. Swinney 2010-8-30 13619 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
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Sep 12 2018
  UCR271179  Carex R. G. Swinney 2011-9-27 15696 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
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Sep 12 2018
  UCR277389  Carex R. G. Swinney 2011-10-13 15783 Los Angeles San Gabriel Mountains, Chilao Flat near central meadow, 0.2 miles ESE of Chilao Station, along Chilao Creek 1573 Comment
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Sep 12 2018
  RSA0091538  Carex alma R. G. Swinney 2011-5-26 14875 Los Angeles 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1061 Comment
  RSA678240  Carex alma Valerie Soza, Steve Boyd 2002-4-10 1405 Los Angeles Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 518 Comment
  UC212018  Carex alma I. Johnston 1917-5-13 27 E Los Angeles El Monte 121 Comment
  UC822622  Carex alma Bryan 1929-7-4 Los Angeles Switzer's Camp Arroyo Secco 975 Comment
  RSA597495  Carex alma L. C. Wheeler 1961-6-12 7859 Los Angeles San Gabriel Mountains. Pacoima Canyon at Rattlesnake Canyon 915 Comment
  RSA90863  Carex alma F. W. Peirson 1923-5-25 3526 Los Angeles along stream on south side of canyon of Rock Creek, San Gabriel Mountains. 1296 Comment
  UCR227369  Carex globosa Orlando Mistretta, Christine Mistretta 2008-5-15 3060 Los Angeles Transverse Range; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, structure 79 per TRTP Survey 2008), W Fork San Gabriel River, Shortcut Canyon 1194 Comment
  UCR238634  Carex globosa Anuja Parikh, Nathan Gale 2010-6-23 3363 Los Angeles Transverse Range; San Gabriel Mtns., upper Shortcut Canyon, 1.3 km S of State Highway 2 (Angeles Crest Hwy), 1.5 km NNW of West Fork San Gabriel River 1290 Comment
  UCR271987  Carex multicaulis R. G. Swinney 2011-6-20 15217 Los Angeles San Gabriel Mountains, southeast margin of Crystal Lake, 10-30 meters from water line 1692 Comment
  UC56690  Carex schottii Ernest Braunton 1903-1-20 798 Los Angeles Oak Knoll Comment
  CHSC106444  Carex spissa P. F. Zika; Nick Otting 2010-8-7 25306 Los Angeles South Coast (SCo). Base of San Gabriel Canyon, E side of Route 39, steep sunny seep, base of steep loose slope. 250 Comment
  SEINET11434596  Carex spissa Unknown 1930-1 Los Angeles Monrovia Canyon Comment
  RSA425912  Castilleja affinis F. A. Thackery 1928-5-13 247 Los Angeles Topanga Canyon. Comment
  SBBG32136  Castilleja affinis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -222 Los Angeles S of dam spillway, Middle Ranch Comment
  SBBG66844  Castilleja affinis R. Hoffmann 1928-7-7 Los Angeles Soledad Cyn Comment
  RSA0045488  Castilleja affinis subsp. affinis Paul M. Inman 1983-5-8 50883 -24 Los Angeles Big Santa Anita Canyon in the Angeles National Forest, San Gabriel Mountains, about 1 mile north of Arcadia, on Winter Creek trail to Hoegee's Camp. 914 Comment
  UCR194034  Castilleja applegatei R. G. Swinney 1998-7-29 6523 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  RSA729232  Castilleja applegatei subsp. martinii R. G. Swinney 1998-7-10 6400 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
  SD69530  Castilleja exserta subsp. exserta Robert F. Thorne 1966-4-7 35985 Los Angeles Santa Catalina Island: grassy slope S of Parson Landing and SW of Arrow Point, W end of island 60 Comment
  IRVC27854  Castilleja foliolosa A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26111 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
  RSA595120  Castilleja foliolosa Steve D. Boyd, Orlando Mistretta, John Dolan 1996-4-18 8574 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  RSA400549  Castilleja foliolosa L. E. Hoffman 1929-4-13 s.n. Los Angeles Trail Canyon, Angeles National Forest Comment
  RSA400566  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon 1.5 miles south of Green Valley (Spunky Canyon Road). Comment
  RSA400568  Castilleja foliolosa Ella M. Kennedy 1923-2-18 s.n. Los Angeles San Gabriel Canyon. Comment
  JEPS33786  Castilleja grisea unknown 1963-8-1 Los Angeles San Clemente I. Comment
  RSA0062693  Castilleja miniata subsp. miniata R. G. Swinney 2010-10-13 14016 Los Angeles Lily Spring, within 100 meters of main spring. 2454 Comment
  POM7996  Castilleja minor subsp. spiralis C. F. Baker 1903-9-20 3697 Los Angeles San Antonio Canyon near Claremont. Comment
  UCR139374  Castilleja minor subsp. spiralis I. M. Johnston 1917-5-13 983 Los Angeles San Gabriel Valley, El Monte 91 Comment
  JEPS62322  Castilleja plagiotoma J. L. Strother and A. R. Smith 1970-4-30 891 Los Angeles above Pearblossum (State Road N6 to Devil's Punch Bowl) 1097 Comment
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Oct 16 2014
  RSA725071  Castilleja plagiotoma Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -77 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1433 Comment
  RSA563500  Caulanthus amplexicaulis var. amplexicaulis Timothy S. Ross, Walter Appleby 1993-5-13 7109 Los Angeles Western San Gabriel Mtns: May Canyon Saddle, San Fernando 1115 Comment
  RSA0034574  Caulanthus cooperi B. C. Templeton, I. W. Clokey 1930-4-8 1035 Los Angeles West of Lancaster. 305 Comment
  JEPS31684  Caulanthus coulteri W. L. Jepson 1935-4-17 17070 Los Angeles Portal Ridge between Leonis Valley and Mojave Desert; Portal Ridge btwn Leonis Valley and Mojave Desert Comment
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Aug 2 2007
  UCR264686  Caulanthus coulteri var. coulteri Mitch Provance, Callen Huff 2009-4-28 10740 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR184119  Caulanthus lasiophyllus A. C. Sanders, T. B. Salvato 2007-4-24 33495 Los Angeles Tehachapi Mountains, hills above Oso Canyon near Kern Co. line, c. 1 mi. SW of National Cement Plant 1082 Comment
  UCR104743  Ceanothus David Charlton 1989-4-30 2997 Los Angeles San Gabriel Mtns., George's Gap, Angeles Crest Highway, approximately 10 miles north of the southern boundary of the Angeles National Forest, c. 1 mi. (airline) NW of Switzer Camp. 1159 Comment
  RSA0056297  Ceanothus cordulatus Lee Haines 1935-07 s.n. Los Angeles San Gabriel Mts. Comment
  POM2835  Ceanothus crassifolius I. M. Johnston 1917-2-14 s.n. Los Angeles Evey Canyon. Comment
  RSA640798  Ceanothus crassifolius Louis C. Wheeler 1931-1-13 s.n. Los Angeles Mills Place: (vicinity of Claremont). Comment
  RSA399013  Ceanothus cuneatus Howard Mullins 1931-2-25 s.n. Los Angeles Griffith Park. Comment
  UC71947  Ceanothus cuneatus var. cuneatus E. D. Palmer Mar. 1902 Los Angeles Echo Mt. Comment
  UC1070656  Ceanothus greggii A. D. Gifford 1935-3-29 527 Los Angeles 2 3/4 miles NNE of Liebre Pk. Tejon 1219 Comment
  RSA592283  Ceanothus greggii var. vestitus Louis C. Wheeler 1967-5-9 9409 Los Angeles San Gabriel Mountains. Aliso Canyon. 945 Comment
  UC1070658  Ceanothus greggii var. vestitus A. Lewis May 1933 206 Los Angeles Bear Canyon 1341 Comment
  RSA160408  Ceanothus integerrimus J. D. Olmsted 1959-5-6 562 Los Angeles 1 1/4 miles west of Camp Baldy along Glendora Mountain Road. East Fork San Gabriel River Drainage Area 1311 Comment
  UCR246416  Ceanothus integerrimus Dan S. Cooper 2011-6-6 611- 79 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  LA44857  Ceanothus leucodermis Carl Epling; 1943-4-12 sn Los Angeles Little Rock Creek Camp, near Palmdale Comment
  UCR277404  Ceanothus leucodermis R. G. Swinney 2010-8-23 13576 Los Angeles San Gabriel Mountains, Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail 1090 Comment
  RSA0028434  Ceanothus leucodermis J. D. Olmsted 1959-4-3 333 Los Angeles Foot of San Gabriel Mts: San Antonio wash. East of Claremont where Arrow Hwy crosses county line. 366 Comment
  SEINET12209913  Ceanothus leucodermis M. T. Doutt 1931-1 643 Los Angeles Sierra Madre Mts. Trail between Mt. Lowe and Mt. Wilson 1768 Comment
  SJSU15122  Ceanothus megacarpus C. L. Schmidt 1987-4-13 1070 Los Angeles near coast, Santa Monica Mts Comment
  UCR124400  Ceanothus megacarpus B. C. Templeton, I. W. Clokey 1930-2-18 1413 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 600 Comment
  CATA431  Ceanothus megacarpus var. insularis Sara L. Crockett 1997-3-13 569 Los Angeles Santa Catalina Island: 1.25 miles NE on Cape Canyon Road from jct. with Middle Ranch Road, 10 m W of road on edge of dry gully 335 Comment
  SEINET4089748  Ceanothus megacarpus var. insularis R. Moran 1941-1 697 Los Angeles Salta Verde, Santa Catalina Island. 106 Comment
  CAS-BOT-BC51431  Ceanothus megacarpus var. megacarpus Henry J. Thompson 1959-3-27 1894 Los Angeles 1.5 miles East of peak, Saddle Peak 731 Comment
  CAS-BOT-BC50480  Ceanothus oliganthus Carl B. Wolf 1941-8-2 11134 Los Angeles Liebre Mts., Ridge Route Rd. 2.7 mi. S. Frenchman Flats Forest Service Camp 822 Comment
  RSA399741  Ceanothus oliganthus H. L. Bauer 1932-03 15375 Los Angeles Chaparral N slope along road to Saddle Peak. 671 Comment
  RSA549782  Ceanothus oliganthus var. oliganthus Wandalee Thompson 1964-4-11 5 Los Angeles Liebre Mtns.: San Francisquito Canyon Road at Powerhouse No. 2, San Francisquito Canyon, Angeles National Forest. 457 Comment
  UC1595238  Ceanothus oliganthus var. oliganthus Tim Ross and Peter Fritsch 1990-6-20 Los Angeles Mouth of Burro Canyon San Gabriel Mts. (near confluence of the e and w forks of the San Gabriel River.) Comment
  UC50448  Ceanothus oliganthus var. oliganthus H. M. Hall Apr 1903 3743 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC63306  Ceanothus spinosus Peter H. Raven 1956-6-17 9428 Los Angeles NW. of Sunset Blvd., Santa Monica Mts. Comment
  OBI26223  Ceanothus spinosus Mark Schneider 1973-5-3 27 Los Angeles 1/4 mi W of Topanga Cyn Blvd, topanga cyn, Santa Monica Mts Comment
  UC1594359  Ceanothus spinosus Tim Ross, Mathew Bell 1992-3-22 6054 Los Angeles w side of Yerba Buena Road ca 360m nnw of intersection with Mulholland Highway (Santa Monica Mountains); Triunfo Pass Quad., Santa Monica Mountains 487 Comment
  RSA188186  Centaurea cineraria R. F. Thorne 1965-7-23 35016 Los Angeles Santa Catalina Island. Hamilton Canyon side N of Descanso Canyon. 61 Comment
  CDA7250  Centaurea diluta T. C. Fuller 1963-6-26 10713 Los Angeles Ball field in SE corner of Imperial and Success Aves., Watts district, Los Angeles 0 Comment
  RSA497600  Centrostegia thurberi A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7769 Los Angeles Mojave Desert, near Quartz Hill in Lancaster. S of Avenue L at 37th St. West 747 Comment
  UCR197749  Centrostegia thurberi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 56 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
  RSA586997  Centrostegia thurberi Orlando Mistretta 1992-5-8 300 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  UC84368  Centrostegia thurberi var. thurberi K. Curran July 1884 Los Angeles Mohave Desert, Lancaster Lancaster; Mohave Desert, Lancaster Comment
  RSA656416  Ceratonia siliqua Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 676 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 518 Comment
  RSA585540  Cercis occidentalis T. S. Ross 1992-4-21 6212 Los Angeles Glendora Ridge Road: on the divide between upper East Fork San Dimas Canyon and Lower Cow Canyon, draining toward the latter. 1229 Comment
  CAS-BOT-BC136977  Cercocarpus Vernon Bailey 1907-10-29 s.n. Los Angeles Santa Monica Mts. (no. slope) Comment
  UC1211063  Cercocarpus betuloides Huron H. Smith 1912-6-24 5165 Los Angeles Santa Catalina Island, Rock Srings Canyon Rock Srings Canyon; Santa Catalina Island, Rock Srings Canyon 304 Comment
  UCR114206  Cercocarpus betuloides A. C. Sanders, D. Malueg 1998-6-24 22072 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 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
  CAS-BOT-BC135513  Cercocarpus betuloides var. betuloides Timothy S. Ross; Steve Boyd 1994-5-4 7688 Los Angeles Upper South Portal Canyon: along forest service road which follows the canyon's SE slope; ca 770 m SW of Spruce Draw - Liebre Mountains 1075 Comment
  RSA650394  Cercocarpus betuloides var. betuloides T. Strid 1971-6-1 s.n. Los Angeles Glendora Road. Comment
  CAS-BOT-BC137242  Cercocarpus betuloides var. blancheae E. R. Blakley 1962-10-3 5367 Los Angeles Between Wrigley Reservoir and the SE fork of Gallagher Canyon, Santa Catalina Island 381 Comment
  CATA1788  Cercocarpus betuloides var. blancheae Benjamin E. Carter, John R. Clark 2012-8-9 6972 Los Angeles Santa Catalina Island: Lower Bulrush Canyon 230 Comment
  RSA152272  Cercocarpus betuloides var. blancheae I. L. Wiggins 1925-06 1758 Los Angeles White's Landing, Santa Catalina Island. Comment
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Aug 11 2010
  UC195335  Cercocarpus betuloides var. blancheae S. B. Parish 1916-3-31 10752 Los Angeles Descanso Canyon, Santa Catalina Island Comment
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Oct 7 2015
  UC466615  Cercocarpus betuloides var. blancheae F. M. Reed 1909-7-4 2836 Los Angeles Hills se of Avalon (Catalina Island); Catalina Island 335 Comment
  RSA449448  Cercocarpus ledifolius Anstruther Davidson 1918-8-1 3078 Los Angeles Camp Baldy. Comment
  RSA93808  Chaenactis artemisiifolia F. W. Peirson 1919-7-3 242 Los Angeles San Gabriel Mountains: Lukens Peak 915 Comment
  OBI16810  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts 914 Comment
  RSA507977  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross 1988-4-28 2231 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  UC31024  Chaenactis glabriuscula var. glabriuscula H. P. Chandler 1897-5-4 Los Angeles Claremont 365 Comment
  RSA305977  Chaenactis glabriuscula var. glabriuscula J. L. Huber 1975-6-8 1552 Los Angeles San Gabriel Mountains, 1 mi. north of U.S. Forest Sevice station 1524 Comment
  UC620698  Chaenactis glabriuscula var. glabriuscula Muriel F. Wheeler 1938-5-26 894 Los Angeles 1 1/2 mi ne of La Verne; Thompson Creek Wash 375 Comment
  UCD130363  Chaenactis glabriuscula var. lanosa Daryl Koutnik; Vickie Dawes 1978-4-20 385 Los Angeles North Hollywood at the intersection of Laurel Canyon Blvd. and Stagg Street. 243 Comment
  UC280133  Chaenactis glabriuscula var. orcuttiana S. B. Parish 1918-6-5 11866 Los Angeles Playa del Rey Comment
  JEPS22775  Chaenactis santolinoides Rimo Bacigalupi with Reino Alava 1958-7-20 6432 Los Angeles in scree just w of Dawson Saddle (just s of Mt. Lewis, along Angeles Crest Highway (State Highway 2), above headwaters of South Fork of Big Rock Creek, San Gabriel Mountains); San Gabriel Mountains, South Fork of Big Rock Creek, Mt. Lew 2429 Comment
  RSA763230  Chaenactis stevioides Justin M. Wood 2010-5-10 1567 Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  RSA772397  Chaenactis stevioides R. G. Swinney 2009-5-12 10724 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge. 1435 Comment
  SFV13268  Chaenactis stevioides M. J. Thor 1983-4-16 178 Los Angeles Mojave Desert Hi Vista, north of Saddle Back Butte State Park along 200th Street. 933 Comment
  RSA435971  Chamaesyce albomarginata Cameron Blake, Jane Turner, Francis M. Ball 1962-6-2 968 Los Angeles Roadside, Big Pines Hwy. midway between pearblossom and Valyermo 1037 Comment
  SBBG67709  Chamaesyce albomarginata M. N. Ackley -Jun-1925 346 Los Angeles Glassell 121 Comment
  RSA647792  Chamaesyce melanadenia LeRoy Gross, Laura Moore 2000-6-5 209 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  UC447164  Chamaesyce melanadenia J. Ewan 1931-4-25 4169 Los Angeles South Fork Verdugo Range, La Tuna Canyon Comment
  POM243845  Chamaesyce serpillifolia F. R. Fosberg 1931-5-18 S 4912 Los Angeles Road between Eagle's Nest and Sweetwater Canyon, Santa Catalina Island Comment
  LA201003  Cheilanthes cooperae Carl Wishner; 1990-1-24 1679 Los Angeles Simi Hills, Dayton Canyon along S side of Canyon 320 Comment
  UCD97787  Chenopodium album Louis C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon. 1005 Comment
  RSA423259  Chenopodium album L. C. Wheeler 1932-10-7 1421 Los Angeles U. C. L. A. Campus, W Los Angeles. 137 Comment
  RSA423283  Chenopodium album Gertrude Dunn 1930-8-8 s.n. Los Angeles Arroyo Seco, S. Pasadena Comment
  RSA0105026  Chenopodium berlandieri R. G. Swinney 2011-10-18 15814 Los Angeles San Gabriel Mountains: 0.1-0.4 miles east of Switzer Campground along Arroyo Seco, c. 0.3 km south of Angeles Crest Hwy. 1021 Comment
  RSA626230  Chenopodium berlandieri L. C. Wheeler 1966-10-1 8936 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  UCR125400  Chenopodium berlandieri A. C. Sanders, Mark Elvin 2002-6-20 25231 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
  SBBG98472  Chenopodium californicum T. Ross 1991-5-23 5496 Los Angeles lower Tota Cyn, E escarpment 82 Comment
  SDSU5602  Chenopodium californicum R. M. Beauchamp 1967-1-28 134 Los Angeles 1/2 mile southeast of Eel Point. San Clemente Island. Comment
  SEINET954681  Chenopodium californicum David Charlton 1989-1 2829 Los Angeles San Gabriel Mountains (northwest). Soledad Pass, Kentucky Springs development, 1 mile south of Highway 14 on Angeles Forest Highway (N-3), about 5 miles (airline) south of Palmdale. 1036 Comment
  UCR191693  Chenopodium californicum A. C. Sanders 2008-4-23 35074 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1090 Comment
  RSA320812  Chenopodium californicum F. C. Boutin 1967-4-24 1715 Los Angeles San Clemente Island: E side of island, Wilson Cove. Comment
  UC1971410  Chenopodium desiccatum Louis C. Wheeler 1966-10-1 8942 Los Angeles SAN GABRIEL MOUNTAINS: Big Tujunga at Colby Ranch Road. Comment
  RSA603814  Chenopodium leptophyllum Steve Boyd 1997-9-10 10030 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed., Near 34 deg 43' 07.6''N 118 deg 40' 07.7''W. 1743 Comment
  SBBG37787  Chenopodium murale M. B. Dunkle 1939-4-3 7222 Los Angeles Chenetti stream gorge Comment
  RSA167857  Chenopodium murale R. F. Thorne, P. C. Everett 1964-2-6 33282 Los Angeles Santa Catalina Island. Landing area. Comment
  RSA226143  Chenopodium pratericola R. F. Thorne, C. W. Tilforth 1971-6-17 39928 Los Angeles 7 miles up Little Tujunga Canyon Road from Little Tujunga station. San Gabriel Mountains, Angeles National Forest 671 Comment
  RSA522452  Chenopodium pratericola T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4052 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. 1658 Comment
  CAS-BOT-BC110210  Chenopodium rubrum Timothy S. Ross; Steve Boyd 1994-9-21 8334 b Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the north foot of Liebre Mountain and on the south side of West Oakdale Canyon Road, ca. 100 m west of the Cow Spring Canyon drainage. 1155 Comment
  UCR189823  Chenopodium strictum R. G. Swinney 1998-9-4 6905 Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR272526  Chenopodium strictum R. G. Swinney 2011-7-8 15469 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), lowest of 3 natural depressions at the N base of Strawberry Peak 1256 Comment
  CAS-BOT-BC498795  Chlorogalum parviflorum Louis C. Wheeler 1934-5-14 2583 Los Angeles 1 mi. NE Puddingstone Dam, San Jose Hills 350 Comment
  UCR193451  Chorizanthe coriacea Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, Santa Clara Riverbed, 1 km west of Sand Canyon Rd., Santa Clarita 460 Comment
  JEPS57686  Chorizanthe parryi var. parryi Alice M. Ottley 1920-5-12 676 Los Angeles near Pasadena (San Gabriel Wash); San Gabriel Wash 182 Comment
  CATA321  Chorizanthe staticoides Mark L. Hoefs, A. Douglas Propst 1973-6-5 349 Los Angeles Santa Catalina Island: Cape Canyon, on slope above dry stream bed, west exposure 304 Comment
  POM175360  Chorizanthe staticoides E. Crow 1930-6-29 s.n. Los Angeles San Gabriel Mts. Trail between Camp Coldbrook and Pine Flats. Comment
  POM307202  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1937-6-23 2068 Los Angeles North Craig Ave., Altadena. Comment
  RSA392676  Chorizanthe staticoides Samuel R. Tyson 1942-5-29 s.n. Los Angeles San Dimas Canyon 579 Comment
  SD134403  Chorizanthe staticoides Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, north of Palmdale Comment
  UCD99989  Chorizanthe staticoides A. C. Sanders 2003-4-29 26179 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 396 Comment
  SEINET4183194  Chorizanthe staticoides G. Grant 1904-6-17 169 Los Angeles Pasadena Comment
  RSA778922  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2010-6-2 5242 Los Angeles Mill Creek Canyon, 1.40 miles SW of Mill Creek Summit, along Southern California Edison transmission line corridor. 1348 Comment
  RSA729854  Chrysolepis sempervirens R. G. Swinney 1998-8-27 6825 Los Angeles West Baldy Peak. 3018 Comment
  RSA191632  Chrysothamnus nauseosus subsp. bernardinus R. F. Thorne, M. Z. Thorne 1966-8-29 36593 Los Angeles SAN GABRIEL MTS., ANGELES NATIONAL FOREST: sunny, small, dry depression south of Crystal Lake 1722 Comment
  POM351981  Chrysothamnus nauseosus subsp. hololeucus L. E. Hoffman 1931-11-9 s.n. Los Angeles Mojave Desert near mouth of Little Rock Creek. Comment
  POM351993  Chrysothamnus nauseosus subsp. mohavensis George R. Johnstone 1929-9-8 s.n. Los Angeles Lancaster, Mojave Desert. Comment
  POM352028  Chrysothamnus teretifolius F. R. Fosberg 1931-11-22 7060 Los Angeles Big Rock Creek 1400 Comment
  UCR205651  Cicer arietinum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-26 36931 Los Angeles San Gabriel Valley, San Gabriel River between Bassett and South El Monte, from 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
  CAS-BOT-BC285399  Cirsium occidentale var. californicum John Thomas Howell 1931-5-29 6557 Los Angeles Westwood Hills, Santa Monica Mts. Comment
  OBI63078  Cirsium occidentale var. californicum R. K. Brummitt & S. D. Boyd, S. D. Boyd 1998-5-25 20037 Los Angeles 14 km N of Castaic, near summit of Warm Springs Mt 1190 Comment
  RSA0068443  Cirsium occidentale var. californicum R. G. Swinney 2010-6-8 13210 Los Angeles Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail. 546 Comment
  LA200184  Cirsium occidentale var. occidentale Carl Epling; M. Epling 1925-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA188188  Cirsium occidentale var. occidentale R. F. Thorne, Percy C. Everett 1965-6-23 35014 Los Angeles Santa Catalina Island, lower part of Hamilton Canyon along stream bed. 61 Comment
  CAS-BOT-BC292691  Cirsium occidentale var. venustum Timothy S. Ross; Steve Boyd 1994-9-21 8300 Los Angeles Upper west summit area on broad northerly ridge extending n orthward toward Tentrock Canyon dranage, ca. 340-460 m ENE of Sandberg Triangulation Point, Liebre Mountain 1623 Comment
  RSA522323  Cirsium vulgare Steve Boyd 1990-2-3 3817 Los Angeles just W of mouth of San Antonio Canyon. Comment
  RSA791868  Cissus hypoglauca Robert F. Thorne 1977-7-6 49641 Los Angeles Claremont. Comment
  CAS-BOT-BC438758  Cistanthe monandra Alice Eastwood 1906-5-27 2 Los Angeles Country adjacent to Los Angeles. Garvanza Comment
  RSA466593  Cistanthe monandra L. C. Wheeler 1932-5-4 683 Los Angeles San Gabriel Wash 107 Comment
  SBBG60291  Clarkia bottae M. N. Ackley -May-1922 743 Los Angeles Honolulu Acres 365 Comment
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Jun 16 2015
  SDSU21256  Clarkia cylindrica S. H. Bullock 1968-5-23 147 Los Angeles San Antonio Canyon, 'old Mt. Baldy road'. 914 Comment
  RSA716905  Clarkia cylindrica LeRoy Gross 2006-5-30 2463 Los Angeles Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit., Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Ruby Canyon and Canton Canyon drainages, short distance west from Road 6N53B. Between 34.56823N, 118.74161W, and 34.5822N, 118.73220W. 1244 Comment
  UC1922087  Clarkia cylindrica LeRoy Gross 2006-5-30 2463 Los Angeles [Transverse Ranges; Mount Pinos region]; Along Whitaker Peak Road (6N53). West of Interstate Freeway 5 and the old Golden State Highway, near Whitaker Summit. Survey along road Southwest of the peak from Whitaker Peak Lookout along the northeast side of Whitaker peak to a saddle that divides Rub Comment
  JEPS43836  Clarkia cylindrica subsp. clavicarpa C. L. Hitchcock 1928-6-2 1 Los Angeles 1/8 mi n Newhall Tunnel 500 Comment
  RSA448254  Clarkia cylindrica subsp. cylindrica Geo. L. Moxley 1915-5-31 341 Los Angeles Santa Anita Canyon, San Gabriel Mountains. Comment
  RSA131024  Clarkia dudleyana Percy C. Everett, E. K. Balls 1959-6-2 23852 Los Angeles 0.5 miles N of Jct of Mulholland Drive and Road to Backus, Santa Monica Mountains. 610 Comment
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Jan 5 2016
  SD41994  Clarkia dudleyana Darley F. Howe 1947-5-4 1567 Los Angeles Mint Canyon. Comment
  CAS-BOT-BC163700  Clarkia purpurea subsp. quadrivulnera Carl Epling; D. H. Dunn 1931-5-30 s.n. Los Angeles Santa Monica Mountains. Los Alisos Canyon Comment
  RSA617735  Clarkia purpurea subsp. quadrivulnera Scott D. White, Sandy Leatherman 1998-5-22 6553 Los Angeles Castaic Lake area: Grasshopper Canyon. watershed, between I-5 Freeway / Old Ridge Route and the lake. Proposed North Lake Planned Community. 427 Comment
  SD90165  Clarkia purpurea subsp. quadrivulnera Benjamin C. Stone May 1952 56 Los Angeles Oak woodland, Blanchard Park, Claremont. Comment
  CAS-BOT-BC164871  Clarkia rhomboidea Le Roy Abrams; E. A. McGregor 1908-6-19 341 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA567179  Clarkia rhomboidea Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4001 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. [West Summit here construed as the 5605-foot knoll near the intersection of sections 3,4,9,10] 1390 Comment
  RSA73356  Clarkia rhomboidea F. W. Peirson 1922-6-3 3087 Los Angeles At Collins Ranch, north slope of Liebre Mts. 1143 Comment
  RSA0115271  Clarkia unguiculata Richard G. Swinney 2010-5-25 12913 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA507975  Clarkia unguiculata Steve Boyd, T. S. Ross 1988-4-28 2229 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA0059967  Clarkia xantiana subsp. xantiana Tim S. Ross, Steve D. Boyd 1995-6-28 8656 Los Angeles COLD CANYON, SW end of Liebre Mountain: trail from U.S. Forest Service road 7N23 NNE to an abandoned mine. 1293 Comment
  UCR192162  Claytonia exigua subsp. exigua A. C. Sanders 2008-4-18 34965 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  UCR220266  Claytonia parviflora R. G. Swinney 2009-4-24 10499 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA466706  Claytonia parviflora subsp. parviflora Ruth E. Hammond 1929-05 s.n. Los Angeles Verdugo Woodlands. Comment
  UC1922236  Claytonia parviflora subsp. parviflora Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 885 Los Angeles Verdugo Mountains; northeast side, Camp Max Straus at end of Shirlyjean Street, Glendale, Engleheard Canyon. Fire road south from Engleheard Canyon to powerlines 396 Comment
  RSA466708  Claytonia parviflora subsp. utahensis Bonnie C. Templeton 1947-5-21 6276 Los Angeles Bouquet Canyon, Angeles Natl. Forest. Comment
  RSA733832  Claytonia parviflora subsp. viridis R. G. Swinney 2000-5-6 7671 Los Angeles San Gabriel Mtns.: c. 1.5 mi. NNE of West Fork San Gabriel River, 0.1-1 mi. NW of Hwy 39 in the North Fork drainage. 732 Comment
  RSA586973  Claytonia parviflora subsp. viridis Orlando Mistretta, Steve Boyd 1995-5-23 1714 Los Angeles San Gabriel Mountains: Bare Mountain Canyon, W side tributary drainage NE of Pacifico Mountain. 1799 Comment
  UCR16642  Claytonia perfoliata R. D. Keys 1973-4-29 s.n. Los Angeles San Gabriel Mountains, Glendora Ridge Road, 0.5 mile east of junction with Glendora Mountain Road, Angeles National Forest 1037 Comment
  UC1922581  Claytonia perfoliata subsp. perfoliata Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1152 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 412 Comment
  UCR199959  Claytonia perfoliata subsp. perfoliata Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1152 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 427 Comment
  RSA650584  Claytonia perfoliata subsp. perfoliata P. A. Hall 1948-4-17 s.n. Los Angeles 5 mi. from Glendora up the Glendora Mt. Road. 518 Comment
  RSA176520  Clematis lasiantha Peter H. Raven, Robert F. Thorne 1964-5-7 19008 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  RSA386216  Clematis lasiantha Louis C. Wheeler 1932-3-20 509 Los Angeles Head Mandeville Canyon. 457 Comment
  RSA386218  Clematis lasiantha Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Antonio Canyon Comment
  RSA607435  Clematis lasiantha Louis C. Wheeler 1932-7-2 886 Los Angeles East Fork San Dimas Canyon, San Gabriel Mts. 915 Comment
  SFV1264  Clematis lasiantha K. A. Wilson 1961-3-12 1018 Los Angeles Santa Monica Mountains Decker Road, 1 mile north of junction of eastern portion of Mulholland Highway. 490 Comment
  UC1595320  Clematis lasiantha Tim Ross and Orlando Mistretta 1992-7-24 6757 Los Angeles e. side Strawberry Peak (1080 meters distant form S.P. summit, 96 degrees E); San Gabriel Mts. 1505 Comment
  POM199709  Clematis ligusticifolia I. W. Clokey, Bonnie C. Templeton 1929-06 4595 Los Angeles Mandeville Canyon. 200 Comment
  POM340  Clematis ligusticifolia C. F. Baker 1903-8-2 3458 Los Angeles Hills N of Claremont Comment
  CAS-BOT-BC92649  Clematis ligusticifolia A. J. McClatchie 1895-8-1 s.n. Los Angeles San Gabriel Creek. Comment
  JEPS14050  Cleome serrulata Rimo Bacigalupi with Leroy Custer 1952-8-9 3901 Los Angeles n side San Gabriel Mountains; , Mouth of Holcomb Canyon 1188 Comment
  RSA65788  Cleomella obtusifolia F. W. Peirson 1933-5-13 10661 Los Angeles 12 miles south of Muroc. Comment
  POM13528  Collinsia bartsiifolia var. davidsonii F. W. Peirson 1922-6-3 s.n. Los Angeles West of Elizabeth Lake. 1174 Comment
  RSA579493  Collinsia childii Tim S. Ross, Steve D. Boyd 1994-5-11 7816 Los Angeles Sawmill Mountain: W summit area ca 260-350 meters SE of Sawmill Campground 1598 Comment
  RSA0117403  Collinsia concolor Scott D. White, Michael Honer 2003-5-7 9218 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 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
  RSA0035072  Collinsia heterophylla Carol Haines 1964-4-14 74 Los Angeles Robinson Rd., Topanga, Santa Monica Mts. 304 Comment
  RSA408279  Collinsia heterophylla M. B. Dunkle 1939-4-6 7295 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  UC166909  Collinsia parryi Geo. B. Grant 1905-5-4 201 Los Angeles San Gabriel Mountains, Pasadena, Willard Canyon Pasadena; San Gabriel Mountains, , Willard Canyon Comment
  RSA0110583  Collinsia torreyi var. torreyi R. G. Swinney 2011-7-29 15554 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  SEINET10317249 Image available Collinsia wrightii Wesley O. Griesel 1962-6-6 Los Angeles Dawson Saddle, San Gabriel Mountains 2438 Comment
  RSA305981  Colutea arborescens Bill Kelley 1983-6-1 s.n. Los Angeles Naturalized in Big Santa Anita Canyon below Chantry Flat Comment
  SBBG32152  Comarostaphylis diversifolia subsp. planifolia R. N. Philbrick with R. F. Thorne 1967-5-19 B 67 -253 Los Angeles upper Sweetwater Cyn Comment
  SD124085  Comarostaphylis diversifolia subsp. planifolia Gary D. Wallace 1975-3-22 1404 Los Angeles Santa Catalina Island; westnorthwest of Mt. Orizaba, northnortheast of Mt. Banning, in canyon that is a branch of Cottonwood Canyon. 284 Comment
  JEPS34582  Constancea nevinii W. L. Jepson 1908-7-14 3050 Los Angeles Avalon Catalina Island, Avalon Comment
  UCD150952  Constancea nevinii D. S. Park 2010-4-26 37 Los Angeles Ranch Santa Ana Botanic Garden 360 Comment
  RSA652787  Convolvulus arvensis S. Koukol, R. Koukol 1998-5-3 29 Los Angeles La Verne, Foothill Blvd., 75 m W. of Wheeler Avenue. 344 Comment
  RSA0113730  Convolvulus arvensis Steven A. Junak 1999-5-21 SCa- 970 Los Angeles Santa Catalina Island. On E side of KBRT Valley, E of radio antennas. 457 Comment
  RSA394794  Convolvulus arvensis E. S. Spalding 1925-4-26 s.n. Los Angeles Arroyo Seco Comment
  RSA0039051  Conyza canadensis R. G. Swinney 2009-11-18 11655 Los Angeles 1.7 miles west of junction of Bobs Gap Rd. and Valyermo Rd., at junction of Sand Rock Creek & Valyermo Rd., S side of road 1108 Comment
  CAS-BOT-BC286123  Conyza canadensis Ernest C. Twisselmann 1970-9-8 17481 Los Angeles Mojave Desert. Antelope Valley: Avenue A 0.2 mile east of 30th Street West 731 Comment
  IRVC27425  Conyza coulteri A. C. Sanders, Mark A. Elvin 2002-8-28 25602 Los Angeles Newhall Ranch, within 10 m of fence marking west edge of Magic Mtn. amusement park NE end of Santa Susana Mtns. 360 Comment
  JEPS70064  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2844 Los Angeles 2.3 mi above junction with Skyline Dr Topanga Canyon; Santa Monica Mts. 335 Comment
  SD77349  Cordylanthus rigidus subsp. setiger F. W. Pennell, F. W. Peirson 1940-8-23 26467 Los Angeles Gravelly granitic crest Mount Wilson 1676 Comment
  UC1348913  Cordylanthus rigidus subsp. setiger Robert F. Thorne and John Olmstead 1965-8-26 35405 Los Angeles Cabin Flat San Gabriel Mts., Angeles National Forest, Prairie Fork 1584 Comment
  JEPS8787  Coreopsis bigelovii Rimo Bacigalupi with G. T. Robbins and Sherwin Carlquist 1954-3-29 4387 Los Angeles hillside along old Ridge Route, road to Lancaster from Gorman (1.5 mi se of Gorman) 1127 Comment
  RSA725087  Coreopsis bigelovii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -6 Los Angeles Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  CAS-BOT-BC287864  Coreopsis californica Geo. B. Grant 1901-3-1 1486 Los Angeles Unspecified Comment
  CAS-BOT-BC287874  Coreopsis californica W. I. Follett; E. B. Follett 1963-4-25 s.n. Los Angeles 1.4 miles E of Llano, on Cal Highway 138 Comment
  SEINET11837038  Coreopsis californica J. F. Bright 1934-1 9247 Los Angeles Santa Monica Coast Range Comment
  CAS-BOT-BC105697  Corethrogyne filaginifolia Moxley 1920-8-28 812 Los Angeles Garpito Canyon, Santa Monica Mts. Comment
  POM356132  Corethrogyne filaginifolia Freda Detmers 1932-11-27 s.n. Los Angeles 3 miles N of mouth of Topanga Canyon. Comment
  RSA0107700  Corethrogyne filaginifolia R. G. Swinney 2011-10-18 15847 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
  POM96631  Corethrogyne filaginifolia E. S. Spalding 1924-4-5 s.n. Los Angeles Manhattan Beach. Comment
  RSA001804  Corethrogyne filaginifolia var. virgata Fay A. MacFadden 1929-09 1347 Los Angeles Verdugo Mountains: Tuna Canyon. 335 Comment
  CAS-BOT-BC212117  Cornus sericea A. J. McClatchie 1893-9-7 471 Los Angeles Catalina Comment
  RSA495629  Cornus sericea subsp. sericea S. Zona, D. Arias, O. Dorado, M. Hanson, Jose Luis Villasenor 1989-6-28 350 Los Angeles Mountain High Ski resort; W of Wrightwood, N slopes of San Gabriel Mountians 2017 Comment
  LA33966  Coronopus didymus Peter H. Raven; 1959-3-1 13818 Los Angeles SANTA MONICA MOUNTAINS, Vermont Canyon, Griffith Park 243 Comment
  LA201786  Cotoneaster lacteus Arthur C. Gibson; 2003-9-3 4846 Los Angeles 167 Comment
  SBBG62523  Cotula australis M. N. Ackley -Jan-1927 290 Los Angeles Eagle Rock Comment
  SFV7881  Cotula australis T. Gordon 1976-1-24 1236 Los Angeles San Fernando Valley Northridge. Sidewalk in front of Zelzah residence hall. 260 Comment
  UCR219905  Crassula colligata subsp. lamprosperma R. G. Swinney 2009-4-17 10384 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
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Jul 11 2016
  UC1929979  Crassula connata V. Soza, LeRoy Gross 2002-4-3 1376 Los Angeles Transverse Ranges; Liebre Mountains region; West side of Bouquet Canyon, canyon opposite Texas Canyon. Stables Fire 2001 area. 518 Comment
  UCR186935  Crassula connata A. C. Sanders, T. B. Salvato, Michael Honer 2006-4-14 32076 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
  UC557689  Crassula connata var. eremica Nell Murbarger 1936-3-1 160 Los Angeles San Clemente Isl. Comment
  UCR182479  Crepis acuminata R. G. Swinney 1997-7-17 5687 Los Angeles San Gabriel Mtns., summit of Table Mountain, NW of Wrightwood 2277 Comment
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Aug 23 2013
  POM181480  Crepis capillaris H. F. Copeland 1927-7-18 904 Los Angeles Campus of the University of California. Comment
  RSA0039068  Cressa truxillensis Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  SBBG37785  Crossosoma californicum R. Moran 1941-2-26 630 Los Angeles Johnson's Valley 200 Comment
  UC792951  Crossosoma californicum R. V. Moran 1949-2-9 3154 Los Angeles Cherry Valley Catalina Island Comment
  IRVC29006  Croton californicus A. C. Sanders, Mark Elvin 2002-6-25 25277 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  LA33489  Croton californicus Peter H. Raven; 1959-4-4 13945 Los Angeles Santa Monica Mountains, Point Dume Natural Preserve, just E of Zuma Beach 9 Comment
  RSA2005  Croton californicus C. B. Wolf 1931-5-13 2001 Los Angeles Pacoima Wash, near bridges on road from Tujunga to San Fernando 366 Comment
  OBI2786  Croton setiger Ted H. Thorsted Jr 1970-8-20 s.n. Los Angeles On slope bounding cmapus of Calif State College at Los Angeles 122 Comment
  RSA711455  Crypsis schoenoides LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2005-11-11 2439 Los Angeles Big Tujunga Canyon across from the mouth of Vasquez Creek. 610 Comment
  SBBG131587  Cryptantha S. A. Junak 2000-4-15 SCa 1224 Los Angeles E of Lone Tree, just inland from S-facing bluff top 408 Comment
  UCR189753  Cryptantha R. G. Swinney 1998-7-10 6397 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
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Feb 19 2020
  UCR189880  Cryptantha R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
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Dec 6 2018
  SBBG131815  Cryptantha S. A. Junak, B. Collins 1991-4-24 SCI 204 Los Angeles just S side of Eel Cove Cyn 30 Comment
  UC598585  Cryptantha affinis John Bright 1936-4-15 12727 Los Angeles Mt. Malibu Santa Monica Mts. Comment
  RSA0091367  Cryptantha circumscissa R. G. Swinney 2011-4-1 14297 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  UC1250451  Cryptantha circumscissa Isabelle Tavares and Valera Brinson 1962-4-16 275 Los Angeles near Palmdale (2.7 mi e of Hwy 6, on hwy connecting with Angeles Crest Hwy (Hwy 2)) Comment
  UCR141164  Cryptantha circumscissa 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
  UCR51029  Cryptantha circumscissa A. C. Sanders, E. J. Lawlor 1988-4-3 7734 Los Angeles Southern Mojave Desert, 1.3 mi. NW of the San Bernardino County line on Hwy 138, c. 2 mi. NW of Pinyon Hills. 1159 Comment
  CAS-BOT-BC189515  Cryptantha circumscissa var. circumscissa 1920-6-10 s.n. Los Angeles San Gabriel Mountains. Summit, Mount WIlson Comment
  RSA752463  Cryptantha clevelandii Justin M. Wood 2009-4-22 534 Los Angeles City of San Dimas, Sycamore Canyon, Falcon Ridge Ranch. 412 Comment
  SBBG126914  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-2 3406 Los Angeles 0.1 km S of Avenue M, 0.3 km E of 80th St W; Antelope Valley 773 Comment
  SBBG126942  Cryptantha clokeyi A. Parikh, N. Gale 2011-6-23 3499 Los Angeles Iron Mtn, 1.6 km E of Angeles Forest Hwy, 1.1 km S of Monte Cristo Crk 1523 Comment
  RSA756624  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2008-4-17 2484 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  RSA709952  Cryptantha decipiens LeRoy Gross 2005-4-28 2150 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
  JEPS67640  Cryptantha intermedia Rev. J. C. Nevin 1882-1 Los Angeles Los Angeles Comment
  UCR270963  Cryptantha intermedia R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14322 Los Angeles San Gabriel Mountains, Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi. west of center of Sierra Madre Dam, 0.26 mi. (64 deg. ) NNW of the trailhead 451 Comment
  RSA159342  Cryptantha intermedia P. H. Raven 1962-5-9 17681 Los Angeles Near head of canyon above Mosquito Cove, San Clemente Island 335 Comment
  RSA251437  Cryptantha intermedia R. F. Thorne 1966-4-15 35999 Los Angeles San Clemente Island: 2/3 mile SSE of Eel Point (and N of Seal Cove). 76 Comment
  UCR273166  Cryptantha intermedia var. intermedia R. G. Swinney 2011-5-10 14630 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  RSA0016891  Cryptantha intermedia var. johnstonii D. L. Crawford, H. D. Hiatt 1916-3-28 257 Los Angeles Santa Monica Mts, Topanga Canyon. Comment
  UCSB63962  Cryptantha microstachys White, Scott 1995-4-27 Los Angeles Upslope from Winter Canyon, near Pepperdine Univ.; N of Pacific Coast Hwy., E of Malibu Cyn. Rd., SW of Malibu Civic Center Way; USGS Malibu Beach Quad.; T1S, R17W, S31 91 Comment
  LA81966  Cryptantha muricata O. H. Kappler; 1941-3-13 121 Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  UCR179700  Cryptantha muricata R. G. Swinney, Dave Larson 1996-7-17 5129 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR162756  Cryptantha muricata var. muricata T. S. Ross, Steve Boyd 1990-5-17 2582 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains, Angeles National Forest: Mill Creek Tree Plantation, Tujunga District 1613 Comment
  RSA599545  Cryptantha nevadensis var. rigida Steve Boyd, Lauren Raz 1997-4-16 9527 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  UCR220054  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10436 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground 915 Comment
  UCR220268  Cryptantha pterocarya var. pterocarya R. G. Swinney 2009-4-24 10496 B Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert, Littlerock Creek, c. 200 m below (north of) Littlerock Creek Dam 963 Comment
  RSA0079035  Cryptantha pterocarya var. pterocarya LeRoy Gross 2005-5-3 2210 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
  UCR194068  Cryptantha similis R. G. Swinney 1999-6-5 7261 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
  HSC6389  Cuscuta californica C. S. Apperson 1967-6-11 Los Angeles 4 mi. up Haskell Cyn. Rd. off of Bouquet Cyn. Rd. Comment
  RSA0102405  Cuscuta ceanothi Lyman Benson 1945-12-10 11972 Los Angeles Mouth of Dalton Canyon. Mt. Range: San Gabriel. 335 Comment
  SFV21462  Cuscuta subinclusa L. Gross, V. Soza, S. Tessel 2001-6-4 395 Los Angeles Verdugo Mountains Northwest side of mountains. Just north of Ledge Ave. and Tuxford St. (dead end), west of McDonald Creek in Sun Valley. Cleared area for fire safety near homes. Dry, south-facing hillside. 274 Comment
  JEPS47135  Cuscuta subinclusa Frank W. Peirson 1918-6-28 150 Los Angeles e of Rubio Canyon 609 Comment
  POM356394  Cynara scolymus B. E. Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  RSA0065212  Cynodon dactylon R. G. Swinney 2010-9-1 13662 Los Angeles Tujunga Valley, Big Tujunga Ponds Wildlife Sanctuary, along perimeter of northernmost of two ponds. 341 Comment
  SD252222  Cyperus Steven A. Junak 1999-5-8 Sca 911 Los Angeles Santa Catalina Island. Lower part of Fern Canyon, just 0.3 mile upstream from junction with Cottonwood Canyon. 121 Comment
  RSA587184  Cyperus eragrostis Scott D. White 1995-12-5 3762 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  UCR261790  Cyperus eragrostis R. G. Swinney 2010-9-13 13831 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
  CAS-BOT-BC114633  Cyperus eragrostis A. Davidson 1921-8-1 3454 Los Angeles Roadside near Bandini. 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
  SBBG121830  Cyperus parishii A. Parikh, N. Gale 2005-6-16 782 Los Angeles Portal Ridge, 0.7 km NW of intersection of N2/Johnson Rd, 1.3 km SE of intersection of N2/Munz Ranch Rd 1010 Comment
  JEPS48974  Cyperus squarrosus L. C. Wheeler 1933-10-12 2193 Los Angeles Crystal Lake San Gabriel Mountains 1706 Comment
  RSA762253  Dactylis glomerata Orlando Mistretta, Christine Mistretta 2008-5-19 3108 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 100 per TRTP Survey 2008), Upper Fish Canyon, E of Monrovia Pk. 1209 Comment
  RSA482327  Datisca glomerata Aaron Liston, S. D. Boyd 1987-6-24 578 -1 Los Angeles Upper Big Tujunga Canyon, at base of small drainage 1120 Comment
  UCR199670  Datura stramonium Scott D. White, Ed Kentner, Amanda Breen 2007-7-18 11759 Los Angeles Los Angeles Basin, Whittier Narrows Recreation Area south of the 60 fwy and west of 605 fwy. 'Legg Lake 64 Comment
  RSA304189  Datura wrightii James R. Shevock 1970-5-3 176 Los Angeles Sagas Beach. 8 Comment
  LA51814  Daucus pusillus Francis M. Ball; May 1948 sn Los Angeles Santa Monica Mountains, 1 mi W of tunnel on Sepulveda Blvd 304 Comment
  CAS-BOT-BC130914  Deinandra clementina Mrs. C. E. Miller 1918-6-11 s.n. Los Angeles Santa Catalina Island Comment
  OBI70280  Delairea odorata LeRoy Gross 1999-2-20 115 Los Angeles Santa Monica Mts: Temescal Cyn, city of Pacific Palisades 122 Comment
  CAS-BOT-BC9128  Delphinium cardinale Alice Eastwood 1928-6-15 15405 Los Angeles Claremont Comment
  UCR132356  Delphinium cardinale John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, c. 1 mile north of Jet Prop. Lab., transect three 427 Comment
  RSA394495  Delphinium cardinale Wm. Martin 1971-8-25 s.n. Los Angeles On the road to Saddle Peak, Santa Monica Mountains. Comment
  RSA772587  Delphinium cardinale M. A. Dimmitt 1965-6-5 216 Los Angeles Claremont, near Pomona College; Pacific Ocean Drainage area 366 Comment
  RSA350612  Delphinium inflexum Anstruther Davidson 1927-07 3641 Los Angeles San Gabriel Mts., Fish Canyon. Comment
  SBBG71719  Delphinium parishii subsp. parishii R. Hoffmann 1925-5-15 Los Angeles Antelope Valley Comment
  RSA398714  Delphinium parryi Reid V. Moran 1941-3-2 667 Los Angeles North of Wilson's Harbor, Santa Catalina Island. Comment
  POM306226  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1937-3-21 s.n. Los Angeles Altadena. Comment
  UCR213241  Delphinium patens Dan S. Cooper 2010-4-9 20100409- 29 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  RSA182322  Delphinium patens subsp. hepaticoideum John Olmsted 1962-4-30 3411 Los Angeles 1960 Johnstone Park burn, from west fork of San Dimas Creek to Wolfskill Falls 457 Comment
  RSA651295  Delphinium patens subsp. hepaticoideum Lori Ackerman, Gerald Braden 1988-5-20 14 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  CAS-BOT-BC116418  Delphinium patens subsp. hepaticoideum George B. Grant 1901-1-1 277 Los Angeles From Sierra Madre Mts., S. Cal., 914 Comment
  RSA0030012  Delphinium patens subsp. montanum Steve Boyd, Lauren Raz 1997-5-1 9656 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
  CAS-BOT-BC82904  Dendromecon rigida Le Roy Abrams 1901-4-6 1373 Los Angeles Big Tejunga Wash. Comment
  RSA0115251  Dendromecon rigida Richard G. Swinney 2010-6-8 13223 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  RSA0034898  Dentaria integrifolia var. californica Carol Haines 1959-3-11 S.N. Los Angeles Old Topanga Canyon, Santa Monica Mts. 243 Comment
  UCR205463  Descurainia pinnata R. G. Swinney 2008-5-2 8739 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  POM307360  Descurainia pinnata Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2179 Los Angeles Altadena. Comment
  POM369415  Descurainia pinnata subsp. halictorum Grinnell 1921-4-3 15735 Los Angeles Santa Monica Mts, Pacoima Canyon Comment
  POM369417  Descurainia pinnata subsp. menziesii Geo L. Moxley 1917-2-4 525 Los Angeles Van Nuys. Comment
  UCR277088  Dicentra chrysantha R. G. Swinney 2010-10-5 13994 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  SDSU14840  Dichelostemma capitatum Patrick McConnell 2003-4-27 23 Los Angeles San Clemente Island, SHOBA zone, near top of small hill approx 200m south of China Point Road, approx 1/4 from lands end, directly south of solar powered shack. 89 Comment
  UC72250  Dichelostemma capitatum unknown Mar 1893 Los Angeles Los Angeles Comment
  SEINET12053838  Dichelostemma capitatum J. F. Bright, Wyman, C. 1931-1 5307 Los Angeles Antelope Valley Comment
  LA103296  Dichelostemma capitatum subsp. capitatum Barry A. Prigge; 1986-3-19 6930 Los Angeles Santa Monica Mountains, Leo Carrillo State Beach, 0.3 mi W of Mulholland Hwy on Pacific Coast Hwy 22 Comment
  RSA583038  Dichelostemma capitatum subsp. capitatum Timothy S. Ross 1993-4-22 6871 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft); 885 m due N of Cactus Peak summit; northerly slope draining to middle Bullrush Canyon. 289 Comment
  RSA611809  Dichelostemma capitatum subsp. capitatum L. C. Wheeler 1968-5-15 s.n. Los Angeles San Gabriel Mountains: Spring Hill, San Antonio Canyon. T2 N R8 W SE 1/4 sec. 36 1220 Comment
  RSA670444  Dichelostemma capitatum subsp. capitatum I. W. Clokey, B. C. Templeton 1929-04 4440 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  RSA52500  Dichelostemma capitatum subsp. capitatum I. L. Wiggins 1949-2-22 11959 Los Angeles Northern end of San Clemente Island Comment
  UCD139438  Dichelostemma capitatum subsp. capitatum Kenneth A. Wilson 1961-3-1 882 Los Angeles Santa Monica Mtns. Mulholland Hwy. Canyon ca. 1 miles west of Las Viegenes Hwy. Comment
  LA201626  Dichelostemma capitatum subsp. pauciflorum Arthur C. Gibson; 2001-4-20 4233 Los Angeles SANTA MONICA MOUNTAINS, Mountclef Ridge, Wildwood Regional Park, Thousand Oaks, Santa Rosa Trail. Comment
  UCR207968  Digitaria sanguinalis L. C. Wheeler 1933-11-19 2271 Los Angeles San Gabriel Mtns, San Gabriel Canyon 335 Comment
  RSA608753  Diospyros kaki L. C. Wheeler 1963-10-4 8402 Los Angeles Los Angeles: Clark Estate, 710 W. Adams Blvd. Comment
  SJSU10418  Diplacus aurantiacus G. A. Kattenhorn 1967-3-21 Los Angeles Little Dalton Cr, N of Glendora, San Gabriel Mts Comment
  CHSC20788  Diplacus fremontii Robert A. Schlising 1968-4-12 2881 Los Angeles SE of Pearblossim; Fort Tejon Road near 165th Street. Comment
  PASA101  Diplacus longiflorus Loletta Hiebert Los Angeles Arroyo Seco Comment
  UCR101259  Diplotaxis tenuifolia L. C. Wheeler 1946-11-11 6443 Los Angeles City of Los Angeles at New Depot St. and Figueroa. 112 Comment
  CAS-BOT-BC195623  Distichlis spicata Edgar A. Mearns 1894-8-25 4054 Los Angeles San Clemente Island Comment
  RSA595951  Distichlis spicata Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8874 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 Comment
  UC1244688  Dodecatheon clevelandii subsp. insulare R. O. Ornduff, Roy L. Taylor 1960-3-18 4380 Los Angeles hillside opposite power plant near Pebble Beach (Santa Catalina Island); , near Pebble Beach Comment
  RSA729427  Dodecatheon redolens R. G. Swinney 1998-7-14 6432 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
  CAS-BOT-BC157702  Drymocallis glandulosa var. glandulosa Le Roy Abrams 1899-3-1 254 Los Angeles Santa Monica Mts. Comment
  RSA579477  Drymocallis glandulosa var. glandulosa Tim S. Ross, Steve D. Boyd 1994-5-10 7723 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
  RSA656941  Drymocallis glandulosa var. reflexa Valerie L. Soza, LeRoy Gross 2000-6-13 999 Los Angeles San Gabriel Mountains: Spring along Burkhart Trail (FS Trail 10W02), from Buckhorn Flat to Cooper Canyon, ca. 0.8 mile along trail from Buckhorn Flat trailhead. 1845 Comment
  RSA729425  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 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
  UCR126853  Dryopteris arguta A. C. Sanders, Mark A. Elvin 2003-6-18 26966 Los Angeles Santa Susana Mountains, Western Transverse Range, private dirt road along crest of range, above Salt Canyon 976 Comment
  UCR259399  Dryopteris arguta R. G. Swinney 2010-8-30 13637 Los Angeles San Gabriel Mountains, East Fork Big Santa Anita Canyon from confluence with Big Santa Anita Canyon bottom/Gabrieleno Trail to 0.5 mi. upstream 744 Comment
  RSA423480  Dudleya caespitosa Howard Mullins 1931-5-9 s.n. Los Angeles El Segundo Comment
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Dec 4 2018
  CAS-BOT-BC428112  Dudleya cymosa subsp. cymosa Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains: North side of Bichota Canyon, east of heliport. 1402 Comment
  POM50303  Dudleya lanceolata L. R. Abrams 1901-06 1864 Los Angeles Ballona Harbor, Comment
  RSA660218  Dudleya lanceolata Fred Brooks 1988-5-7 45 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff. 1372 Comment
  UC52268  Dudleya lanceolata Ernest Braunton May 1903 882 Los Angeles Los Angeles Comment
  CAS-BOT-BC411386  Dudleya lanceolata Carl B. Wolf 1927-7-24 676 Los Angeles 1/2 mile E of Melrose 457 Comment
  UCR190004  Dudleya saxosa R. G. Swinney, Vanessa Merritt 1998-6-12 6967 Los Angeles San Gabriel Mtns., 3 miles west of Pinon Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek 1378 Comment
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Apr 22 2010
  UCD60841  Echinochloa crus-galli J. O. McMullin 1914-9-11 Los Angeles Casa Desierto. 13 miles E-NE Lancaster. 17 miles NE Palmdale. 17 miles SE Rosamond. Southern edge of what is now Edwards Air Force Base, per B. Crampton. Comment
  UCR219907  Echinochloa crus-galli R. G. Swinney, Jane Strong 2009-4-21 10413 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  CDA36351  Echinochloa crus-galli Michael O Brien 2011-9-18 Los Angeles Malibu Coast, Topanga State Park. 0 Comment
  CAS-BOT-BC208538  Ehrharta calycina Tim Ross; Janet Takara; Stacey Otte 1993-4-24 6949 Los Angeles W end of island beyond the isthmus, on main east-west ridgetop ca 615 m E of Granite Triangulation Point and 620 m WNW of Oak Triang. Pt., Santa Catalina West USGS 7.5', Santa Catalina Island 487 Comment
  UCR95713  Ehrharta erecta D. L. Banks 1996-1-31 861 Los Angeles Claremont, Oakwood Apartments at 580 S. Bucknell Avenue, NW side of building in landscape plantings Comment
  CAS-BOT-BC112851  Eleocharis macrostachya E. K. Balls 1953-6-17 18336 Los Angeles Spontaneous in upper pool of Trickle Garden, Rancho Santa Ana Botanic Garden Comment
  SEINET7586405 Image available Eleocharis montevidensis Unknown 1967-10-10 37338 Los Angeles San Gabriel Mts, Angeles National Forest, Jackson Lake, NW end of lake. 1867 Comment
  CAS-BOT-BC113288  Eleocharis parishii Robert F. Thorne; John Olmstead 1965-8-26 35388 Los Angeles San Gabriel Mts, Angeles Natl Forest: Camp Lupine near Prairie Fork. 2011 Comment
  UCR272018  Elymus condensatus R. G. Swinney 2011-5-31 14934 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
  CAS-BOT-BC227500  Elymus elymoides A. D. E. Elmer 1902-6-1 4166 Los Angeles Acton, Mt. Gleason Comment
  RSA587532  Elymus elymoides subsp. elymoides Orlando Mistretta, Steve Boyd, Darin L. Banks 1994-4-29 1106 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  CAS-BOT-BC207366  Elymus elymoides subsp. elymoides Timothy S. Ross; Steve Boyd 1995-6-29 8661 Los Angeles Near west summit of Liebre Mountain. 1706 Comment
  RSA3544  Elymus glaucus C. B. Wolf 1932-5-9 3488 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  RSA0098767  Elymus glaucus subsp. glaucus R. G. Swinney 2011-6-1 14947 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  POM1329  Elymus multisetus Le Roy Abrams 1901-05 1670 Los Angeles Balluna [Ballona] Harbor. Comment
  UCR190762  Elymus triticoides R. G. Swinney 1999-6-30 7491 Los Angeles San Gabriel Mtns., Grand View Canyon, c. 1.1 mi. north of Big Pines Hwy at All Nations Camp 1585 Comment
  UCR204744  Elymus triticoides R. G. Swinney 2005-8-9 8419 Los Angeles San Gabriel Mountains, Big Rock Creek at Paradise Springs 1439 Comment
  OBI69330  Emmenanthe penduliflora John Knapp, Denise Knapp 2003-5-10 62 Los Angeles Catalina Island; 367748.29N x 3695875.36E 351 Comment
  SD260253  Emmenanthe penduliflora R. G. Swinney 2010-5-19 12829 Los Angeles San Gabriel Mountains/Western Mojave Desert Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just W of Angeles Nat. Forest boundary, 2.05 air miles due E of Angeles Forest Hwy., 0.8 mi. due W of Mt Emma Rd. 1335 Comment
  UCSB10409  Emmenanthe penduliflora Wedberg, H. 1957-5-7 Los Angeles Hillside above U-turn S of tunnel on Sepulveda Comment
  UCD119210  Emmenanthe penduliflora Jaime Kneitel 1997-3-19 s.n. Los Angeles San Gabriel Mts. Ed Davis Park, Towsley Cyn. Comment
  RSA401553  Emmenanthe penduliflora var. penduliflora L. E. Hoffman 1933-7-10 s.n. Los Angeles Coldwater Canyon (near Colby's Ranch) Sierra Madre Mountains Comment
  UCR273149  Emmenanthe penduliflora var. penduliflora R. G. Swinney 2011-5-6 14609 Los Angeles San Gabriel Mountains, north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road 854 Comment
  UC129021  Encelia actoni H. M. Hall and H. P. Chandler 1906-6-12 7402 Los Angeles San Francisquito Canyon Southern California Deserts, San Francisquito Canyon 548 Comment
  CAS-BOT-BC131198  Encelia californica W. R. Dudley 1895-1-4 s.n. Los Angeles At San Pedro Comment
  POM356650  Encelia californica Ora M. Clark 1929-1-16 1478 Los Angeles Elyssian park, L.A. Comment
  RSA724391  Encelia californica K. Dobry 1991-5-22 D- 762 Los Angeles Soka University NE section. Santa Monica Mts. 1 mi East of Las Virgenes Rd off Muholland Hwy. Comment
  UC206240  Encelia californica Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  RSA0035115  Encelia californica L. E. Hoffman 1963-7-5 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  RSA0069713  Encelia californica Daniel Kasang, Sabrina Lawrence-Gomez, Alexandria Cheung, Miller Zou, Sarah Ratay 2011-7-1 4 Los Angeles Santa Catalina Island. Deer Valley Trail. 4 Comment
  NY99491  Ephedra nevadensis S. D. Boyd 1996-5-1 8740 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Yound Canyon along the Pacific Crest Trail 853.4 Comment
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Apr 24 2014
  SBBG56459  Ephedra nevadensis R. Hoffmann 1929-4-28 Los Angeles about Harold, near Palmdale Comment
  UCR150663  Ephedra nevadensis James Henrickson 2000-4-21 20714 4 Los Angeles Mojave Desert; West Mojave Desert region, c. 17 mi west of State Hwy 14, along Hwy 138 near 14348 W. Avenue D. at a site for a Sprint monopole 854 Comment
  RSA594191  Ephedra viridis Steve Boyd, Lauren Raz 1996-10-14 9094 Los Angeles Liebre Mountains region, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 991 Comment
  RSA629709  Ephedra viridis L. C. Wheeler 1967-5-31 9800 Los Angeles San Gabriel Mountains: Sycamore Flat Campground, Big Rock Creek. . Comment
  RSA762335  Epilobium canum R. G. Swinney 2008-10-22 9675 Los Angeles Azusa, mouth of San Gabriel Canyon, 0.5 mi. upstream from entrance of Old San Gabriel Canyon Rd. at El Encanto 244 Comment
  CAS-BOT-BC166206  Epilobium canum subsp. canum Steven A. Junak 1996-9-28 SCI- 677 Los Angeles San Clemente Island: W side of island, in Box Canyon, ca. 0.5 miles downstream from Triangulation Point Snapper 304 Comment
  LA202759  Epilobium canum subsp. canum Barry A. Prigge; 2011-10-20 16132 Los Angeles Santa Monica Mountains, Mt Bell, Griffith Park, Mt Hollywood Trail ca 70 m E (upslope) of junction with Vista del Valle Dr Comment
  SD44622  Epilobium canum subsp. canum Darley F. Howe Oct 1951 2162 Los Angeles Mandeville Canyon; Santa Monica Mountains. Comment
  CAS-BOT-BC171925  Epilobium canum subsp. latifolium Robert F. Thorne; J. Dourley 1967-10-3 37268 Los Angeles Mt. Baden-Powell, N slope at Vincent Gap 2133 Comment
  CAS-BOT-BC174659  Epilobium canum subsp. latifolium Timothy S. Ross; Steve Boyd; Steve Burns 1994-7-7 8131 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1708 Comment
  UCR209850  Epilobium canum subsp. latifolium R. G. Swinney 2008-7-16 9247 Los Angeles San Gabriel Mtns., Will Thrall Peak, west of Burkhart Saddle 2392 Comment
  JEPS39231  Epilobium ciliatum subsp. ciliatum F. W. Peirson 1919-4-16 382 Los Angeles Cajon Pass 685 Comment
  RSA599896  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1933-10-20 2183 Los Angeles San Gabriel River. 70 Comment
  SD252357  Epilobium ciliatum subsp. ciliatum Steven A. Junak 1999-5-21 Sca 989 Los Angeles Santa Catalina Island: Coffee Pot Canyon, upstream from road crossing; moist canyon bottom. 427 Comment
  UC1922359  Epilobium densiflorum Scott D. White, A. Warniment 2006-7-7 11619 Los Angeles SE TEHACHAPI MTNS.: Gorman area, Gorman Creek NE of the I-5 Freeway. Comment
  SDSU21258  Epilobium minutum S. H. Bullock 1968-4-4 30 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA577152  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  SBBG27188  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  SEINET6087563  Equisetum arvense Unknown 1946-10-26 6389 Los Angeles San Gabriel Mountains. San Gabriel Canyon. 0.8 mi upstream from mouth. North side. Comment
  RSA608880  Equisetum hyemale var. affine L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  RSA0051717  Equisetum hyemale var. robustum Tom Golbin 1965-2-18 s.n. Los Angeles Rustic Canyon, Santa Monica Mts. 91 Comment
  POM276863  Equisetum laevigatum Lyman Benson 1945-4-13 11668 Los Angeles Little Dalton Canyon, Glendora. Drainage area Pacific slope 365 Comment
  POM247961  Equisetum telmateia var. braunii F. R. Fosberg 1931-4-15 R 89 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA651607  Eragrostis mexicana subsp. virescens G. T. Parks 1949-12-20 s.n. Los Angeles Found between Cypress and Bonita on Vincent right near the wash 198 Comment
  POM275280  Eragrostis pectinacea Anonymous 1944-9-15 11549 Los Angeles Claremont.Drainage Area Pomona Valley. Southslope. Comment
  SD60324  Eragrostis pectinacea var. pectinacea Peter H Raven 1961-9-24 16752 Los Angeles Bouquet Reservoir, on strand at east end. 914 Comment
  RSA599294  Eremocarpus setiger L. C. Wheeler 1946-8-25 6245 Los Angeles San Gabriel Mountains: Camp Rincon, West Fork San Gabriel River. 457 Comment
  RSA0041935  Eremogone macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10024 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle at head of North Fork Fish Canyon, north of Atmore Meadows and south of Oak Flat, along Forest Service road 7N23 4.2 miles west of junction with 7N08. 1719 Comment
  JEPS23132  Eriastrum densifolium subsp. austromontanum Rimo Bacigalupi with Reino Alava 1958-7-21 6450 Los Angeles Chilao Flat San Gabriel Mts., Angeles National Forest 1615 Comment
  RSA0104862  Eriastrum densifolium subsp. austromontanum T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3961 Los Angeles Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W., (West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10) 1390 Comment
  RSA0107971  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1737 Comment
  RSA0104655  Eriastrum densifolium subsp. austromontanum Justin M. Wood 2008-11-21 251 Los Angeles ANF Road (3N27). Near Mount Gleason Road. 1220 Comment
  RSA0107784  Eriastrum densifolium subsp. austromontanum Orlando Mistretta 1995-7-12 1913 Los Angeles Little Rock Creek. 1098 Comment
  RSA0107951  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1968-7-24 s.n. Los Angeles San Gabriel Mountains: South end of Mt. Hillyer. 1890 Comment
  RSA0107968  Eriastrum densifolium subsp. austromontanum L. C. Wheeler 1967-7-23 10181 Los Angeles San Gabriel Mts.: vicinity of Kentucky Springs. 1128 Comment
  CAS-BOT-BC514371  Eriastrum densifolium subsp. elongatum C. B. Wolf 1931-5-13 1998 Los Angeles Pacoima Wash, near bridge on the road from Tujunga to San Fernando 365 Comment
  RSA158307  Eriastrum filifolium P. H. Raven 1962-5-10 17723 Los Angeles head of canyon north of Guds, north branch, San Clemente, San Clemente Island. 518 Comment
  JEPS16259 Image available Eriastrum pluriflorum Philip A. Munz and T. Craig 12925 Los Angeles 10 mi s Muroc; ; S of Muroc, Los Angeles Co. Comment
  CAS-BOT-BC514987  Eriastrum sapphirinum subsp. dasyanthum Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, northern part of county Comment
  SFV4842  Ericameria cooperi var. cooperi F. L. McPherson 1959-4-21 s. n. Los Angeles Mojave Desert West of Palmdale. Southwest corner of North and 25th. 823 Comment
  CAS-BOT-BC286886  Ericameria ericoides Le Roy Abrams 1898-12-1 199 Los Angeles Ballona Harbor Comment
  RSA590070  Ericameria linearifolia Orlando Mistretta 1994-3-30 984 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  UCD131387  Ericameria linearifolia Daryl Koutnik; Bruce Holguin 1978-4-1 201 Los Angeles Mint Canyon on Sierra Highway, 3 miles north of State Highway 14. 502 Comment
  UC203113  Ericameria nauseosa var. hololeuca H. M. Hall 1917-10-27 10585 Los Angeles 8 mi w Lancaster; Antelope Valley Comment
  CAS-BOT-BC298044  Ericameria nauseosa var. mohavensis C. B. Wolf 1931-10-23 2491 Los Angeles Swartout Valley 1 mile E of Wrightwood Lodge, San Gabriel Mts 1828 Comment
  SBBG8356  Ericameria palmeri var. pachylepis R. Hoffmann 1927-8-30 Los Angeles near Castaic Comment
  UCR143332  Ericameria parishii Anstruther Davidson 1916-1 3146 Los Angeles San Gabriel Mtns, La Crescenta [between Verdugo Mtns and San Gabriel Mtns] 610 Comment
  JEPS19229  Ericameria parishii var. parishii J. C. Aven 1930-10-7 Los Angeles San Antonio Canyon San Gabriel Mts., San Antonio Canyon Comment
  CAS-BOT-BC293141  Ericameria pinifolia Alice Eastwood 1906-5-27 226 Los Angeles Roscoe Comment
  JEPS19250  Ericameria pinifolia E. M. Rockwell 1920-3-22 Los Angeles Glendale Comment
  SD11857  Ericameria teretifolia Carl B. Wolf 1931-11-2 2505 Los Angeles Mint Canyon, 1 mile above point where road from Acton joins the highway. 975 Comment
  UCR194049  Erigeron breweri R. G. Swinney 1998-8-17 6775 Los Angeles San Gabriel Mtns., Gold Dollar Mine Trail, 0.2 mi. NE of upper Coldwater Canyon 1488 Comment
  UC31480  Erigeron foliosus var. foliosus J. H. Barber 1897-7-11 266 Los Angeles summit Mt. Gleason Comment
  POM305740  Erigeron foliosus var. foliosus Henry J. Ramsey, Henry J. Ramsey 1937-6-27 914 Los Angeles Angeles National Forest: Bear Creek, north of Pacoima Reservoir. Comment
  SFV13105  Erigeron foliosus var. foliosus W. M. Perry 1980-8-29 112 Los Angeles San Gabriel Mountains Pine Mountain, turnout on dirt road. Comment
  RSA454989  Eriodictyon crassifolium Thekla Mohr 1897-05 s.n. Los Angeles Sierra Madra Comment
  UC1124329  Eriodictyon crassifolium F. H. Raymond 1930-1-29 49 Los Angeles head of Corral Canyon; Triunfo Pass, head of Corral Canyon 670 Comment
  CAS-BOT-BC189154  Eriodictyon crassifolium var. nigrescens Timothy S. Ross 1995-4-7 8352 Los Angeles Old Ridge Route, 3.95 miles N of its junction with Lake Hughes Road, W of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon 630 Comment
  UC1124350  Eriodictyon crassifolium var. nigrescens A. Simontacchi 1935-5-26 51 Los Angeles 3 mi sse of Neenach 1036 Comment
  RSA180096  Eriodictyon crassifolium var. nigrescens Wandalee Thompson 1965-6-15 s.n. Los Angeles Pine Canyon. 1067 Comment
  UC1292076  Eriodictyon traskiae C. B. Wolf 1932-10-5 4229 Los Angeles gentle slope of shoulder Black Jack Peak (e of Black Jack Mine, Santa Catalina I.); Santa Catalina I., shoulder of Black Jack Peak 457 Comment
  SBBG131935  Eriodictyon traskiae S. A. Junak 2000-5-19 SCa 1306 Los Angeles rd to White's Landing, 0.1 mi from intersection with airport rd, on E-facing slope 408 Comment
  CAS-BOT-BC222683  Eriodictyon trichocalyx Tim Ross; Steve Boyd 1991-4-25 4579 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fk of the San Gabriel River) 829 Comment
  CAS-BOT-BC222690  Eriodictyon trichocalyx Mrs. G. Earle Kelly 1917-9-1 s.n. Los Angeles Mt. Wilson Comment
  RSA658375  Eriodictyon trichocalyx Naomi Zohman 1985-4-28 16 Los Angeles Junction of CA Hwy 39 along west fork of San Gabriel River. Forest Service Road. Comment
  UCSB10594  Eriodictyon trichocalyx var. trichocalyx Gill, Robert 1959-6-2 Los Angeles San Antonio Canyon - along lower road; San Gabirel Mtn. range 792 Comment
  RSA773290  Eriogonum R. G. Swinney 2009-6-24 11271 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  SEINET3246222  Eriogonum angulosum Mark A. Elvin 2003-1 2949 Los Angeles Western Transverse Range: hills west of San Martinez Grande Canyon and north of CA Hwy 126, Newhall Ranch. 366 Comment
  UCR164527  Eriogonum brachyanthum T. B. Salvato, Sandra Murcia 2005-11-8 1284 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel from Palmdale Blvd to Avenue Q, east of 51st Street 805 Comment
  RSA33901  Eriogonum cinereum Tom Burch 1943-07 s.n. Los Angeles Redondo Beach. Comment
  SD72736  Eriogonum cinereum F. R. Fosberg 1930-11-23 S 4204 Los Angeles Portugese Bend, hillside facing ocean 39 Comment
  UC534869  Eriogonum cinereum Mrs. H. P. Bracelin 1931-10-11 570 Los Angeles about 1 1/2 mi e ocean beach (Lower Topenga Canyon); Santa Monica Mts., Lower Topenga Canyon Comment
  CAS-BOT-BC241934  Eriogonum cithariforme Le Roy Abrams; E. A. McGregor 1908-6-19 392 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA588139  Eriogonum cithariforme var. agninum Orlando Mistretta 1994-5-23 1234 Los Angeles Little Rock Creek, drainage E of Creek and N of Forest Rd. 4N15. 1311 Comment
  RSA0022259  Eriogonum davidsonii Duncan S. Bell, Caitlin Elam 2013-8-1 5549 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  RSA0098169  Eriogonum davidsonii R. G. Swinney 2011-8-5 15597 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  UC1595359  Eriogonum davidsonii Tim Ross, Steve Boyd 1990-6-18 3460 Los Angeles northerly draw draining to Jackson Lake Jackson Lake; San Gabriel Mtns., Camp Verdugo Pines and vicinity, Mescal C 1877 Comment
  CAS-BOT-BC242754  Eriogonum davidsonii Joseph Andorfer Ewan 1934-8-4 8328 Los Angeles Crest of Blue Ridge, San Gabriel Mt. 2438 Comment
  RSA775284  Eriogonum elongatum G. R. Johnstone 1929-7-14 s.n. Los Angeles Griffith Park. Comment
  UCR118195  Eriogonum elongatum A. C. Sanders, D. Malueg, K. D. Jones 1999-11-19 23262 Los Angeles Santa Susana Mountains, Aliso Canyon Oil Field, Oat Mountain -- near Mission Point, above Aliso Cyn 823 Comment
  SBBG62013  Eriogonum elongatum var. elongatum J. A. Ewan 1929-9-21 1503 Los Angeles mouth of Millard Cyn 518 Comment
  UCR222751  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-4-29 10566 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
  UCR259098  Eriogonum fasciculatum subsp. polifolium Mitch Provance, Callen Huff 2009-4-29 10688 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
  CHSC92813  Eriogonum fasciculatum var. foliolosum John Dittes 2006-1-2 1311 Los Angeles Transverse Ranges; San Gabriel Mtns.; Big Tujunga Cyn; ca. 3.2 air-miles SW of Gold Cyn Saddle, 1.3 airmiles NE of intersection of Sunland Blvd and 210 Fwy, 1.1 air-mile NW of Verdugo Hills Highschool; near Oro Vista Ave where it crosses Big Tujunga Creek; edge of floodplain of Big Tujunga Creek. 393 Comment
  RSA226167  Eriogonum fasciculatum var. foliolosum Gary D. Cromwell, David W. Wheat 1971-5-14 666 Los Angeles San Gabriel Mountians, Angeles National Forest: Mystic Canyon, 2 miles NE of Glendora 419 Comment
  UC1595252  Eriogonum fasciculatum var. foliolosum Tim Ross, Peter Fritsch 1990-6-20 3635 Los Angeles near confluence of E and W Forks of the San Gabriel river (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  SEINET11937916  Eriogonum fasciculatum var. foliolosum H. W. Graham 1927-1 9- 9 -44 Los Angeles along trail and rd from Mt Lowe Tavern, Mt. Lowe to observatory and Mt. Wilson, near Los Angeles Comment
  POM48109  Eriogonum fasciculatum var. polifolium I. M. Johnston 1924-8-13 s.n. Los Angeles San Gabriel Mountains: Head of Evey Canyon, near 'P' 1296 Comment
  UCD100070  Eriogonum fasciculatum var. polifolium G. H. Vansell 1933-6-30 s.n. Los Angeles Palmdale, Antelope Valley. Comment
  SBBG20534  Eriogonum giganteum var. formosum E. R. Blakley 1963-12-7 6347 Los Angeles cyn between Pyramid Head and Cove, S of Triangulation Pt Guds 30 Comment
  SD90479  Eriogonum giganteum var. formosum Robert F. Thorne 1973-4-11 42854 Los Angeles San Clemente Island: middle portion of Norton Canyon, 900 Comment
  CAS-BOT-BC250297  Eriogonum giganteum var. giganteum Geo. B. Grant 1906-9-1 s.n. Los Angeles Santa Catalina Island, off southern California Comment
  RSA717789  Eriogonum gracile var. gracile R. G. Swinney, Dave Larson 1996-7-17 5123 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
  SD48933  Eriogonum grande var. grande Reid Moran 1958-9-15 6827 Los Angeles West slope of canyon, 1.8 miles SW of Eel Point, San Clemente Island 99 Comment
  UCR210245  Eriogonum heermannii R. G. Swinney 2008-8-14 9436 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek, on east bank of main channel c. 100 m south of South Fork Campground 1378 Comment
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Oct 23 2020
  RSA766494  Eriogonum microtheca var. corymbosoides Joseph A. Ewan 1936-7-27 9846 Los Angeles N. end of Table Mt., Swartout Valley. San Gabriel Mts. 2134 Comment
  UCR190909  Eriogonum microthecum R. G. Swinney 1998-7-2 6252 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  CAS-BOT-BC269771  Eriogonum nudum var. pauciflorum G. J. Goodman; C. L. Hitchcock 1930-7-28 1719 Los Angeles S. slope of Mt. San Antonio 2438 Comment
  RSA393063  Eriogonum parvifolium var. parvifolium L. E. Hoffman 1931-6-18 s.n. Los Angeles Hermosa Beach Comment
  SD38703  Eriogonum parvifolium var. parvifolium Edith A. Purer 1933-10-7 5584 Los Angeles Partially stabilized sand dunes, El Segundo Comment
  CAS-BOT-BC258073  Eriogonum plumatella John Thomas Howell 1947-7-18 23383 Los Angeles Near Vincent Comment
  SFV1017  Eriogonum pusillum M. L. Vincent 1962-5-7 235 Los Angeles San Gabriel Mountains 1 mile off main highway, 0.5 miles northwest of Valyermo. 1140 Comment
  UC635807  Eriogonum pusillum Herbert L. Mason 1926-4-26 3012 Los Angeles near Rock Creek; Mohave Desert Comment
  UCR225768  Eriogonum roseum Dave Silverman, Cindy Hopkins 2007-4-26 6758 Los Angeles Tejon Ranch, 620 m west of California Aqueduct, 1.3 km south of Kern County line, and 3.6 km north northeast of Quail Lake 977 Comment
  UCD101214  Eriogonum saxatile M. Vincent 1962-5-19 243 Los Angeles one mile from Pearblossom turn off on road to Valyermo. Comment
  CAS-BOT-BC267578  Eriogonum saxatile Noel H. Holmgren; James L. Reveal 1966-5-29 2611 Los Angeles Ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit, San Gabriel Mountains 1767 Comment
  POM124517  Eriogonum thurberi M. H. Fitch 1915-1 s.n. Los Angeles Wah Southeast of Pomona. Comment
  UCR222821  Eriogonum trichopes R. G. Swinney 2009-4-29 10604 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
  RSA585777  Eriogonum umbellatum var. munzii Orlando Mistretta 1995-7-11 1877 Los Angeles Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  POM158215  Eriogonum viridescens P. A. Munz, I. M. Johnston 1928-9-5 11184 Los Angeles San Gabriel Mountains: road from Rock Creek to Swartout [Swarthout] Valley 1677 Comment
  RSA585775  Eriogonum wrightii var. subscaposum Orlando Mistretta 1995-7-11 1880 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  RSA730182  Eriogonum wrightii var. subscaposum R. G. Swinney 1998-9-4 6893 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  CAS-BOT-BC267670  Eriogonum wrightii var. trachygonum Dave Silverman; Cindy Hopkins 2007-4-26 6759 Los Angeles Tejon Ranch, 375 m W of California aqueduct, 2.4 km S of Kern County line and 2.9 km NE of Quail Lake 1030 Comment
  CAS-BOT-BC297911  Eriophyllum confertiflorum Barton W. Evermann 1916-5-16 s.n. Los Angeles Saugus Comment
  RSA0081135  Eriophyllum confertiflorum R. G. Swinney 2010-6-1 13096 Los Angeles San Gabriel Mountains: lower Carson Mesa, c. 0.7 rd. miles east of Angeles Forest Hwy on dirt service road, at sharp switch-back that extends into dry wash, c. 0.8 air miles south of Pearblossom Hwy. 1098 Comment
  LA103562  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 1986-3-29 7162 Los Angeles San Gabriel Mountains, E of Red Rover Mine Road X Antelope Valley Freeway on Escondito Canyon Road 914 Comment
  LA105418  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 8532 Los Angeles Santa Susana Mountains, between Falls Creek and Devil Canyon: ca. 1 air mi. NE of junction of Simi Valley Frwy and Topanga Canyon Blvd 502 Comment
  LA91070  Eriophyllum confertiflorum var. confertiflorum T. A. Geissman; March 1970 TAG- 32870 -ECMD Los Angeles 371 Comment
  LA94439  Eriophyllum confertiflorum var. confertiflorum Carl Epling; L. Ellison 1929-5-18 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  SEINET13276778 Image available Eriophyllum confertiflorum var. confertiflorum R. G. Swinney 2011-1 14493 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  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
  UCR124677  Eriophyllum pringlei B. C. Templeton, I. W. Clokey 1930-4-8 1034 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA78455  Eriophyllum pringlei Verne Grant, Alva Grant 1952-4-27 17584 Los Angeles Open sandy plain E of Little Rock, Mojave 762 Comment
  RSA669155  Erodium botrys LeRoy Gross, Naomi S. Fraga 2002-4-4 504 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. This home was burned down a long time ago, and road abandoned. 606 Comment
  SBBG31420  Erodium brachycarpum R. F. Thorne, R. Rollins, D. Probst, R. Carolin 1967-3-18 36757 Los Angeles Bullrush Cyn 243 Comment
  RSA0057913  Erodium cicutarium Richard G. Swinney 2010-4-15 12222 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  PASA668  Erodium macrophyllum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SDSU36  Erodium moschatum R. M. Beauchamp 1967-1-27 106 Los Angeles San Clemente Island. Comment
  SD215440  Eruca vesicaria subsp. sativa Louis C. Wheeler 1955-4-12 7124 Los Angeles Chavez Ravine, Los Angeles; vacant lot at Coronel and Adobe Street. Comment
  UCSB2326  Erysimum capitatum var. capitatum Sage, Paul 1959-3-1 Los Angeles 1 mile below end of Chainy Trail in Millard Canyon, Altadena 609 Comment
  CAS-BOT-BC55209  Erysimum suffrutescens I. Johnston 1917-6-10 1312 Los Angeles Playa del Rey. Comment
  SD241189  Erythranthe floribunda R. G. Swinney 2009-4-3 10277 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills: Duarte/Azusa border, San Gaabriel Canyon wash, east side of channel 1.2 miles north of Foothill Blvd. (Azusa 7.5'Q) 182 Comment
  CAS-BOT-BC403183  Eschscholzia californica Le Roy Abrams; E. A. McGregor 1908-6-20 360 Los Angeles Liebre Mountain 1463 Comment
  CAS-BOT-BC403190  Eschscholzia californica Steve Boyd; Lauren Raz 1997-3-25 9304 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch 1280 Comment
  UCR141152  Eschscholzia californica June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, proposed poppy park [north of Lancaster Road, Antelope Buttes area], Antelope Valley 976 Comment
  UCSB2160  Eschscholzia californica Ballard 1954-4-1 Los Angeles Pomona College Campus, Claremont 259 Comment
  RSA570171  Eschscholzia californica var. peninsularis Tim S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4784 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  RSA632442  Eschscholzia minutiflora Louis C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mountains: East fork Kentucky Springs Canyon 1280 Comment
  CHSC95746  Eucalyptus robusta LeRoy Gross 2003-2-22 740 Los Angeles Transverse Ranges: Verdugo Mountains Region: South side; A short distance up mouth of Brand Canyon, west next to Brand Canyon Cemetery. North of the Debris Basin. At end of road. 287 Comment
  POM49293  Eucrypta chrysanthemifolia L. W. Nuttall 1920-5-22 s.n. Los Angeles Santa Catalina Island. Rock Spring canyon. Comment
  RSA644298  Eucrypta chrysanthemifolia var. chrysanthemifolia Fay A. MacFadden 1931-3-17 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UCR281335  Eucrypta chrysanthemifolia var. chrysanthemifolia R. G. Swinney 2014-5-21 16627 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  UC450937  Eulobus californicus Fay A. Macfadden 1931-3-28 36 E Los Angeles Tuna Canyon Verdugo Hills Comment
  NY519451  Eupatorium adenophorum T. S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch: just W of the San Gabriel Dam. 463.3 Comment
  UCR197768  Euphorbia albomarginata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 47 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
  UCR209308  Euphorbia maculata A. C. Sanders 2009-11-6 37228 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  LA32302  Euphorbia peplus Henry J. Thompson; 1959-5-24 1988 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  PASA697  Euphorbia peplus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  UCR90485  Euphorbia terracina D. L. Koutnik 1996-3-14 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Corral Canyon Road c. 0.25 mi. north of Pacific Coast Hwy (=Hwy 1), at crossing of Solstice Canyon. 10 Comment
  RSA5211  Euthamia occidentalis C. B. Wolf 1932-9-13 4066 Los Angeles Bryant Ranch. 250 ft. south of north boundary in SE 1/4 section 27 (about 460 ft. east and 250 ft. south of NW corner of SE 1/4 section 27. T4S, R12W). 5 Comment
  PASA635  Festuca megalura Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  IRVC26369  Festuca microstachys A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26053 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  UCR187253  Festuca microstachys A. C. Sanders 2006-4-21 32131 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles ENE of Quail Lake, east of the Cement Plant Rd. and Calif. Aqueduct, north of Hwy 138 1006 Comment
  UCR199864  Festuca myuros var. hirsuta LeRoy Gross, Steve Boyd, Naomi Fraga, Valerie Soza 2006-3-17 2454 B Los Angeles Transverse Ranges, Verdugo Mountains, north side of the range, Whiting Woods Road just north of Henderson Canyon, near homes close to base of the range 457 Comment
  CATA1642  Festuca perennis Mark L. Hoefs, Steven A. Junak 1998-6-12 2925 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  UCR273276  Ficus carica R. G. Swinney 2011-10-25 15858 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
  CAS-BOT-BC500451  Ficus microcarpa R. E. Riefner, Jr. 2015-8-23 15 -346 Los Angeles City of Los Angeles, Universal City, W side of Barham Blvd., immediately S of DeWitt Dr. 238 Comment
  UCR267273  Ficus microcarpa R. E. Riefner Jr. 2014-7-13 14- 245 Los Angeles City of San Pedro, Port of Los Angeles, near Los Angeles Maritime Museum, Sampson Way at West 6th St. 1 Comment
  UCR200020  Filago californica Valerie Soza, Mariam Sidibeh 2003-3-26 1611 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  SBBG12445  Foeniculum vulgare P. H. Raven 1962-4-10 17252 Los Angeles above Wilson Cove 182 Comment
  SBBG58516  Forestiera pubescens S. W. Hutchinson 1929-3-8 654 Los Angeles Bouquet Cyn 914 Comment
  RSA391395  Frankenia grandifolia H. E. Hasse 1889-7-30 s.n. Los Angeles Near Los Angeles Comment
  UCR161210  Frankenia salina T. B. Salvato, Melissa Clemons 2005-9-27 1237 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  CAS-BOT-BC228568  Fraxinus dipetala Timothy S. Ross; Steve Boyd 1994-5-10 7714 Los Angeles Liebre Mountains. Warm Springs Canyon: canyon bottom and adjacent northerly slopes 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 682 Comment
  LA81923  Fraxinus dipetala O. H. Kappler; 1944-4-6 586 Los Angeles SANTA MONICA MOUNTAINS, La Sierra Canyon, near Seminole Hot Springs. 609 Comment
  UC1334664  Fraxinus dipetala J. E. Stumbo and J. C. Bayse 1966-4-4 LASCA 531 Los Angeles about 10 mi w Palmdale (along roadside, near Bouquet Reservoir) 762 Comment
  RSA760684  Fraxinus pennsylvanica subsp. velutina R. G. Swinney 2008-12-6 9964 Los Angeles Azusa, mouth of San Gabriel Canyon 1.4 mi. north of Sierra Madre Ave., south side of road at spring, 0.5 mi. east of San Gabriel Canyon Information Station on Hwy 39. 256 Comment
  SBBG121649  Fraxinus uhdei L. Gross 2007-5-16 2731 Los Angeles entrance to Wildwood Cyn at intersection with Harvard Rd and Wildwood Cyn Rd 387 Comment
  UCR224026  Fraxinus uhdei Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11684 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UC592751  Fremontodendron californicum subsp. californicum Carl B. Wolf 1936-5-27 7861 Los Angeles 8 mi above Tie Camp Summit (Aliso Canyon to Buckhorn Flats Road, San Gabriel Mountains); San Gabriel Mountains 1676 Comment
  RSA0051338  Galium andrewsii subsp. intermedium Valerie Soza 2004-6-21 1725 b Los Angeles Liebre Mountains, dirt road north off of Rd 7N23, just west of Sawmill Camp entrance. 1615 Comment
  RSA571544  Galium andrewsii subsp. intermedium Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8309 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  CHSC5095  Galium angustifolium M. MacArthur 1967-7-16 80 Los Angeles Charlton flat about 1 mi. from Angeles Crest Hwy., below parking area #12, Angeles National Forest, San Gabriel Mts. 1524 Comment
  RSA770903  Galium angustifolium Robert F. Thorne, Percy C. Everett 1965-5-11 34675 Los Angeles Above summit road from Avalon to airport, Santa Catalina Island 61 Comment
  UCR205678  Galium angustifolium A. C. Sanders, T. B. Salvato 2009-5-29 37035 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  POM50550  Galium angustifolium subsp. angustifolium L. R. Abrams 1901-4-3 1307 Los Angeles Santa Monica Mountains. Comment
  RSA680060  Galium angustifolium subsp. angustifolium Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 356 Los Angeles Angeles National Forest. San Gabriel Mountains. Glendora Ridge Road. 1.8 mi W of gate. Comment
  RSA729724  Galium angustifolium subsp. angustifolium R. G. Swinney 1999-6-18 7324 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UC1375283  Galium angustifolium subsp. angustifolium Robert F. Thorne 1969-7-2 38214 Los Angeles Charlton Flats burn (of 1954) San Gabriel Mts., Angeles National Forest 1615 Comment
  RSA756589  Galium angustifolium subsp. angustifolium Orlando Mistretta, Christine Mistretta 2008-4-29 2558 Los Angeles Southern California Edison transmission line tower (Segment 5, structure 65 per TRTP Survey 2008), just E of State Hwy 14 (Antelope Valley Fwy), in the vicinity of Vincent. 976 Comment
  RSA678206  Galium angustifolium subsp. gabrielense Valerie L. Soza, LeRoy Gross 2001-4-18 1133 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 793 Comment
  UC1375352  Galium angustifolium subsp. nudicaule Robert F. Thorne and C. W. Tilforth 1971-6-30 40803 Los Angeles dessicated branch of S Fork of Little Rock Creek 1.8 mi below Alder Saddle; San Gabriel Mts., Angeles National Forest, Pinyon Flats Area 1554 Comment
  CATA185  Galium aparine Mark L. Hoefs, A. Douglas Propst 1973-4-6 154 Los Angeles Santa Catalina Island: Middle of Cape Canyon 304 Comment
  RSA0098766  Galium aparine R. G. Swinney 2011-5-6 14597 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  RSA653835  Galium aparine Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 774 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 335 Comment
  CAS-BOT-BC217456  Galium catalinense E. R. Blakley 1963-12-8 6395 Los Angeles Canyon head above Mosquito Cove and between Triangulation Points Malo and Chenity, San Clemente Island 304 Comment
  RSA25765  Galium catalinense subsp. catalinense Carl B. Wolf 1941-6-24 4187 Los Angeles Santa Catalina Island. NW side of Isthmus Harbor 30 Comment
  RSA678822  Galium grande Valerie L. Soza, Monica Acosta 2001-6-20 1297 Los Angeles Van Tassel Ridge, south side of Van Tassel Ridge road (FS Road 1N36A), 0.2 mile east of junction with Van Tassel Truck Trail (FS Road 1N36), east side of Mt. Bliss. 1037 Comment
  UCR238649  Galium grande Anuja Parikh, Nathan Gale 2010-6-28 3366 Los Angeles Transverse Range; San Gabriel Mtns., ridge between Fish and Sawpit canyons, 0.4 km SE of White Saddle, 1.1 km NW of Mount Bliss, under powerlines 985 Comment
  SD134381  Galium hallii Craig Reiser 1990-5-16 Los Angeles Ritter Ranch, Palmdale Comment
  CAS-BOT-BC223139  Galium johnstonii Frank W. Peirson 1922-7-5 3159 Los Angeles Mountain north of Big Pines Camp 2225 Comment
  CAS-BOT-BC223140  Galium johnstonii Timothy S. Ross; Steve Boyd 1990-5-23 2638 Los Angeles San Gabriel Mountains. Mt Gleason Area: north-northwesterly ridge descending from Messenger Peak (6015 ft), on the watershed divide between Mill Canyon and Moody Canyon 1371 Comment
  RSA230202  Galium johnstonii Robert F. Thorne 1969-7-2 38265 Los Angeles Angeles National Forest; along Angeles Crest Hwy, 0.5 miles S of Dawson Saddle 2378 Comment
  UCR85821  Galium johnstonii T. S. Ross, Steve Boyd 1991-7-24 5607 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  RSA454408  Galium nuttallii C. Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains. Comment
  RSA329564  Galium nuttallii Gary D. Wallace 1966-3-18 173 Los Angeles Along the coast. W of Malibu. Point Dume at West Beach. Comment
  RSA454406  Galium nuttallii Louis C. Wheeler 1932-3-12 483 Los Angeles Mendeville Canyon. Santa Monica Mtns. 122 Comment
  LA51406  Galium nuttallii subsp. nuttallii Peter H. Raven; 1960-5-15 15367 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road 2.7 mi. W of Rambla Pacifica. 426 Comment
  POM4415  Galium parishii I. M. Johnston 1917-8-22 1691 Los Angeles Summit of Baldy. 3049 Comment
  RSA0088158  Galium porrigens R. G. Swinney 2010-3-14 11903 Los Angeles Whitney Canyon, from the Whitney Cyn. Conservancy parking lot, just east 14 Fwy., to 0.2 mi. to the SE in shallow ravine between the Santa Clara Truck Trail and the Whitney Cyn. Road. 447 Comment
  UC76075  Galium porrigens J. Q. Adams 1905-1 18 Los Angeles Soldier's Home Comment
  JEPS52955  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3980 Los Angeles Angeles Crest Hwy at Brown Canyon; San Gabriel Canyon 731 Comment
  JEPS52957  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-1-26 3977 Los Angeles Coldbrook Camp Ground San Gabriel Mts. (on State Hwy 39) 999 Comment
  RSA355907  Galvezia speciosa Robert F. Thorne 1975-9-3 47374 Los Angeles Santa Catalina Island. Near top of bluff above Blue Cavern Point Comment
  UC1929998  Gambelia speciosa Mark Elvin, Orlando Mistretta 1996-3-24 130 Los Angeles Channel Islands; San Clemente Island: Eagle Canyon. Comment
  CAS-BOT-BC303403  Gamochaeta ustulata Carl B. Wolf 1932-5-10 3513 Los Angeles Santa Catalina Island: Avalon Canyon, above the last almond orchard 121 Comment
  UC1122644  Garrya flavescens G. T. Nordstrom 1935-1-25 315 Los Angeles 1 mi ssw of entrance Peace Valley; Santa Barbara National Forest, Tejon Quad. 914 Comment
  RSA397374  Garrya veatchii Bonnie C. Templeton 1956-4-22 7685 Los Angeles Along Angeles Crest Hwy, below Mt. Wilson turnoff, San Gabriel Mtns. Comment
  RSA97296  Garrya veatchii F. W. Peirson 1919-11-30 2723 Los Angeles South base of San Gabriel Mnts., Middle Eaton Canyon. 610 Comment
  SBBG131775  Gastridium phleoides S. A. Junak 1999-5-20 SCa 932 Los Angeles ridge between Cottonwood and Escondido Cyn, on S side of Cottonwood-Blackjack Rd, ca. 0.6 mi up from reservoir 256 Comment
  CAS-BOT-BC282618  Gastridium phleoides Dr. H. E. Hasse 1888-5-1 s.n. Los Angeles Unspecified Comment
  RSA0106509  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-29 15576 Los Angeles San Gabriel Mountains: Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins. 2454 Comment
  CATA2024  Genista linifolia Steven A. Junak, Keri Kirkland 1998-4-5 551 Los Angeles Santa Catalina Island: Toyon Bay, just inland from mouth of canyon 18 Comment
  CAS-BOT-BC308065  Genista monspessulana Robert F. Thorne; P. Everett 1965-6-22 34858 Los Angeles Santa Catalina Island: along Upper Pebble Beach Rd. 30 Comment
  PASA672  Geranium carolinianum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  RSA0028461  Geranium dissectum Steve Boyd, Rick Riefner 2007-4-27 11744 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  SD132378  Geranium robertianum Alfred R. Roos 1958-6-3 Los Angeles In lathhouses and elsewhere on the grounds of Evans and Reeves Nursery; Brentwood, West Los Angeles. Comment
  SBBG126925  Geranium rotundifolium A. Parikh, N. Gale 2011-5-21 3395 Los Angeles San Gabriel River, just W of I-605, 0.7 km N of Lower Azusa Rd/Los Angeles St 109 Comment
  UCR185400  Gilia A. C. Sanders, T. B. Salvato 2007-4-25 33543 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  POM3441  Gilia angelensis C. F. Baker 1904-4-22 4184 Los Angeles Monrovia. Comment
  RSA470094  Gilia angelensis Christopher Davidson 1973-4-6 1862 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA470120  Gilia angelensis F. R. Fosberg 1931-5-6 S- 4825 Los Angeles Cape Canyon, Santa Catalina Island. 280 Comment
  SFV2859  Gilia angelensis M. L. Vincent 1963-5-7 337 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  RSA0041775  Gilia angelensis Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-3-21 2810 Los Angeles Santa Catalina Island: HIllside above upper Cape Canyon. 359 Comment
  UCR186063  Gilia capitata subsp. abrotanifolia T. B. Salvato, M. A. Hasskamp 2006-4-24 1345 Los Angeles Tehachapi Mtns Foothills, c. 4 mi east of Quail Lake and 0.5 mi north of Hwy 138 976 Comment
  UCR177617  Gilia diegensis LeRoy Gross, Michael Denslow 2003-6-4 991 Los Angeles Transverse Ranges; San Gabriel Mtns, Southeast of Dawson Saddle, east of Angeles Crest Highway (Hwy 2) 2439 Comment
  RSA152162  Gilia latiflora subsp. davyi Wesley O. Griesel 1962-3-24 s.n. Los Angeles Quartz Hill. Abundant in hilly areas of a Valley Grassland community. Comment
  SBBG101682  Gilia latiflora subsp. latiflora S. Boyd 1986-3-31 1571 Los Angeles St Hwy 18 about 1 mi E of jct with Hwy 138, NE of Pinyon Hills Comment
  UC908826  Gilia latiflora subsp. latiflora Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mts., Pinon Ridge Comment
  RSA0017205  Gilia ochroleuca subsp. bizonata Orlando Mistretta, Mark Elvin 1995-5-10 1699 Los Angeles Bare Mountain Canyon 1463 Comment
  UC212501  Gilia ochroleuca subsp. vivida I. M. Johnston 1917-8-24 Los Angeles near head Prairie Fork (San Antonio Mountains, Southern California); San Antonio Mountains, nr Head of Prairie Fork 2346 Comment
  POM21154  Gilia splendens subsp. grantii Fordyce Grinnell Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  CDA22263  Gilia tricolor subsp. tricolor Garrettson 1915-1 s.n.-A Los Angeles Montebello Hills District. 0 Comment
  POM184517  Githopsis diffusa subsp. diffusa Thos. Craig 1927-6-8 412 Los Angeles In Bear Canyon Trail to Mt. San Antonio Comment
  UCR23905  Glycyrrhiza lepidota John C. Roos 1942-6-6 1064 Los Angeles Western Transverse Range, Placerita Canyon near Newhall 610 Comment
  UCSB9765  Glyptopleura setulosa Haller, John 1957-4-13 Los Angeles Roadside (continuation of Palmdale Ave.) 1 mile west of Los Angeles - San Bernardino County Line and ca. 32 road miles E of Palmdale 914 Comment
  CDA5875  Gnaphalium californicum G. C. Fleischman 1945-6-27 Los Angeles Pasadena. 0 Comment
  POM50889  Gnaphalium californicum L. R. Abrams 1901-4-7 1426 Los Angeles Devil's Gate. Comment
  RSA600004  Gnaphalium californicum Steve Boyd, Lauren Raz 1997-5-28 9843 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
  RSA660105  Gnaphalium californicum Orlando Mistretta 1992-6-12 566 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA0101308  Gnaphalium californicum S. Campbell 1980-6-4 40 Los Angeles Verdugo Mountains Region: Eastern slope of Verdugo Mountains on hill between Wabasso Way and Opechee Way. 267 Comment
  UCR273168  Gnaphalium canescens subsp. microcephalum R. G. Swinney 2011-10-25 15852 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
  RSA188157  Gnaphalium chilense R. F. Thorne 1966-4-5 35830 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon 106 Comment
  RSA535722  Gnaphalium luteoalbum Timothy S. Ross 1991-5-22 5474 Los Angeles San Clemente Island: Spray Canyon, Short canyon 2400ft ENE of Spray (which in turn is 5200ft N of Eel Point) W side of island 99 Comment
  POM188387  Goodmania luteola P. A. Munz, T. Craig 1933-5-13 12932 Los Angeles 10 miles south of Muroc. Comment
  RSA592259  Grayia spinosa L. C. Wheeler 1967-5-12 9478 Los Angeles San Gabriel Mountains. ca. 1/2 way between Hunt Canyon and Soledad Canyon at Vincent. 1158 Comment
  RSA199188  Guillenia lasiophylla R. F. Thorne 1968-5-28 37653 Los Angeles Santa Catalina Island: central Bullrush Canyon. 244 Comment
  RSA763746  Guillenia lasiophylla Orlando Mistretta, Christine Mistretta 2008-5-20 3174 Los Angeles Southern California Edison transmission line corridor (Segment 6, Impact Area 14 per TRTP Survey 2008), Fish Canyon drainage; Van Tassel Motorway just S of Jct. with Monrovia Cyn Truck Trail. 986 Comment
  CHSC95519  Gutierrezia californica LeRoy Gross; Valerie Soza, Samantha Tessel 2001-6-4 401 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. On ridge that runs down to the mouth of McDonald Creek, on west side of creek, but a short distance from the main crest. 366 Comment
  UC1279326  Gutierrezia californica O. T. Solbrig 1962-9-6 3440 Los Angeles s rim of valley of Wash next to Wentworth St. (close to Foothill Blvd); Tujunga Wash Comment
  RSA719592  Gutierrezia microcephala R. G. Swinney 1997-7-17 5685 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  POM4718  Gutierrezia sarothrae L. R. Abrams 1902-7-5 1557 Los Angeles Azusa Comment
  UC1118593  Gutierrezia sarothrae P. L. Johannsen 1934-2-27 308 Los Angeles Mouth Bouquet Canyon Santa Susana Quadrangle, Mouth Bouquet Canyon 381 Comment
  UC32181  Gutierrezia sarothrae J. H. Barber 1897-6-22 170 Los Angeles San Fernando Valley Comment
  IRVC26172  Harpagonella palmeri A. C. Sanders, Mark A. Elvin, et al. 2003-5-1 26265 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 442 Comment
  RSA678465  Hazardia cana Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 166 Los Angeles San Clemente Island. 3rd canyon south of Bryce. Comment
  JEPS20193  Hazardia squarrosa var. grindelioides John Thomas Howell 1927-10-16 3154 Los Angeles trail between Sierra Madre and Santa Anita Canyon; San Gabriel Mts. Comment
  UC74042  Hazardia squarrosa var. grindelioides Dr. J. Q. Adams 1905-9-1 Los Angeles near Soldier's Home Comment
  JEPS35537  Helenium bigelovii F. W. Peirson 1918-7-8 244 Los Angeles nw of North Ontario; San Antonio Canyon 1828 Comment
  UCR194172  Helenium bigelovii R. G. Swinney 1998-7-24 6559 Los Angeles San Gabriel Mtns., Upper Fish Fork, furthest NE fork adjacent to Pine Mtn. Ridge 2012 Comment
  CAS-BOT-BC309438  Helenium puberulum A. J. McClatchie 1893-9-1 s.n. Los Angeles Catalina Comment
  RSA771324  Helianthemum scoparium R. F. Thorne, Sherwin Carlquist 1966-4-29 36315 Los Angeles Channel Islands: Santa Catalina Island. 381 Comment
  JEPS34874  Helianthus annuus Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  UCSC000734  Helianthus annuus P. L. Johannsen 1934-1-25 239 Los Angeles Santa Susana, Mission Point 762 Comment
  POM156529  Helianthus annuus subsp. lenticularis L. R. Abrams 1902-7-3 2640 Los Angeles Sierra Madre. Comment
  RSA660478  Helianthus gracilentus Steve Teh 1994-5-20 33 Los Angeles Modjeska Grade rd. 2 mile on fire trail at intersection of other trails leading to Modjeska Canyon. Comment
  RSA0008272  Helianthus nuttallii subsp. parishii J. M. Porter 2006-11-5 12260 .3 Los Angeles Newhall Ranch, Castaic Spring, ca. 400 m S of the Santa Clara River, between Dead End Canyon and Middle Canyon. 1000 Comment
  RSA0012949  Helianthus nuttallii subsp. parishii Louis Greata 1901-09 s.n. Los Angeles Oak Knoll Comment
  RSA0091526  Heliotropium curassavicum var. oculatum R. G. Swinney 2010-6-29 13394 Los Angeles Hansen Dam Flood Control Basin, north margin of Hansen Lake, Hansen Dam Recreation Center 305 Comment
  CAS-BOT-BC305877  Helminthotheca echioides I. Johnston 1917-6-10 1321 Los Angeles Near Mesmer Comment
  CATA1884  Herniaria hirsuta Denise Knapp 2005-6-27 Los Angeles Santa Catalina Island: South side of artichoke thistle population 0 Comment
  UCD111477  Hesperocnide tenella Louis C. Wheeler 1973-4-9 s.n. Los Angeles San Gabriel Mountains. Lower Millard Canyon, just S of culvert. Comment
  CAS-BOT-BC135903  Hesperoyucca whipplei Alice Eastwood 1913-5-11 3132 Los Angeles San Fernando Wash Comment
  LA26951  Hesperoyucca whipplei Ira W. Clokey; 1935-7-1 6994 Los Angeles Hillside, Pasadena Glen 400.0 Comment
  OBI29603  Hesperoyucca whipplei Leo Thibault 1966-5-28 24 Los Angeles Mohave Desert, 1.5 mi NE of Palmdale 1082 Comment
  SD262148  Hesperoyucca whipplei R. G. Swinney 2014-5-27 16661 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hook Cyn, c. 400 south of Glendora Ridge Mtwy & 200 m north of Church of the Open Door, NE of Hook Cyn debris basin (Glendora 7.5'Q) 445 Comment
  SEINET11177063  Heteromeles arbutifolia M. Licher 2011-2-21 3022 Los Angeles Deervale-Stone Canyon Park, Santa Monica Mountains, 1 mi. east of 405, & north of Mulholland Dr. 320 Comment
  UCD113324  Heteromeles arbutifolia B. Pitzer 1996-5-5 2869 Los Angeles Palos Verdes Peninsula: Palos Verdes Hills, San Pedro Navel Fuel Depot, at San Pedro Hill. 409 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
  UCR273392  Heteromeles arbutifolia R. G. Swinney 2011-3-18 14150 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCSB2809  Heteromeles arbutifolia Wedberg, H. 1958-7-15 Los Angeles Mulholland Hwy. between Topanga Can. and Beverly Glen, Santa Monica Mtns. Comment
  RSA0075649  Heterotheca grandiflora Joseph M. Keefe 2001-3-19 31157 Los Angeles San Rafael Mountains: Ravine 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, 91208. 466 Comment
  UC55069  Heterotheca grandiflora Ernest Braunton 1902-8-1 638 Los Angeles Echo Park Comment
  RSA0075801  Heterotheca grandiflora G. J. Hollenberg 1928-7-10 13946 Los Angeles Venice. Comment
  RSA0075830  Heterotheca grandiflora K. Dobry 1990-9-22 D 124 Los Angeles Santa Monica Mts; Cold Creek Cyn Upper Stunt Ranch. Comment
  UCSB6604  Heterotheca grandiflora Kamb, Peter 1948-1-10 Los Angeles Millard Canyon, San Gabriel Mts. 762 Comment
  UC1595264  Heterotheca sessiliflora subsp. fastigiata Tim Ross and Peter Fritsch 1990-6-20 3616 Los Angeles near the confluence E and W Forks of the San Gabriel River; San Gabriel Mountains, Mouth of Burro Canyon 445 Comment
  POM360461  Hieracium argutum Raymond J. Dobbs 1928-01 s.n. Los Angeles Janis Trail, near Arroyo Seco Comment
  CATA1281  Hirschfeldia incana Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-12 2368 Los Angeles Santa Catalina Island: Lower Middle Canyon, just above Ben Weston Beach Road 73 Comment
  RSA633362  Hoita macrostachya L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil's Canyon campground. Comment
  POM352435  Hordeum brachyantherum Robert M. Perkins 1936-4-26 137 Los Angeles Los Angeles Comment
  POM352437  Hordeum brachyantherum H. L. Bauer 1929-4-15 s.n. Los Angeles Long Beach Comment
  UCR174489  Hordeum brachyantherum subsp. brachyantherum Anuja Parikh, Nathan Gale 2005-4-23 2105 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  LA82507  Hordeum brachyantherum subsp. californicum O. H. Kappler; 1943-5-2 396 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  SD252248  Hordeum marinum subsp. gussoneanum Steven A. Junak 1999-4-23 Sca 847 Los Angeles Santa Catalina Island. Buffalo Reservoir area, plant stop, S side of main road. 200 Comment
  RSA0081304  Hordeum murinum R. G. Swinney 2010-3-24 12054 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  SBBG31280  Hordeum murinum R. F. Thorne 1966-4-4 35750 Los Angeles isthmus 12 Comment
  RSA0081380  Hordeum murinum subsp. glaucum R. G. Swinney 2010-3-16 11909 Los Angeles Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210. 329 Comment
  SD69505  Hordeum murinum subsp. leporinum Robert F. Thorne 1966-4-4 35777 Los Angeles Santa Catalina Island: Blue Cavern Point, NE of Isthmus Cove 29 Comment
  UCR273582  Hordeum murinum subsp. leporinum R. G. Swinney 2011-7-7 15465 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area 1098 Comment
  UCR275501  Horkelia rydbergii D. E. Bramlet 2011-8-17 4931 Los Angeles San Gabriel Mountains, NW of Hwy 2 near Chilao Campground 1619 Comment
  SD82946  Hosackia crassifolia var. crassifolia Robert F. Thorne, M. Z. Thorne 1969-7-9 38567 Los Angeles San Gabriel Mountains, Angeles National Forest, under pine forest at lower margin of big sloping meadow at Big Pines 2073 Comment
  POM361213  Hypochaeris glabra Donald R. Bissing 1973-6-2 146 Los Angeles Evey Canyon; in open grassy area beside road 0.3 miles from canyon mouth; 720 Comment
  SEINET10956318 Image available Ipomoea aquatica Mary Merello, Heidi H. Schmidt 1999-12-4 Merello 2573 Los Angeles City of Los Angeles. Chinatown. Ai Hoa Supermarket, 860 N. Hill St. Comment
  CAS-BOT-BC311531  Isocoma acradenia var. acradenia Ernest C. Twisselmann 1970-9-8 17500 Los Angeles Antelope Valley: Avenue A at 50th Street West 731 Comment
  CATA1399  Isocoma menziesii var. menziesii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2541 Los Angeles Santa Catalina Island: By road to Salta Verde, lower portion of road, toward Salta Verde 390 Comment
  CAS-BOT-BC311652  Isocoma menziesii var. vernonioides E. R. Blakley 1962-10-3 5374 Los Angeles Banks around Wrigley Reservoir at the summit of the island road. Santa Catalina Island 426 Comment
  UC1118866  Isocoma menziesii var. vernonioides F. H. Raymond 1930-1-6 15 Los Angeles Escondido Canyon Triunfo Pass Quadrangle 335 Comment
  POM177575  Isopyrum occidentale Ralph Hoffmann 1931-4-28 335 Los Angeles Upper Bouquet Canyon, west of Lincoln Crest. Comment
  IRVC28616  Iva axillaris A. C. Sanders, Mark Elvin 2002-6-20 25243 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
  RSA527587  Jepsonia malvifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4412 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC101911  Juglans californica Alice Eastwood 1919-7-4 9283 Los Angeles Santa Monica Canyon, Los Angeles Comment
  RSA660476  Juglans californica Ian Thompson 1997-2-26 16 Los Angeles Cal Poly Pomona Ecological Reserve. Northeast facing slope south of E-line. Comment
  RSA279126  Juncus acutus subsp. leopoldii Robert F. Thorne, D. Propst, Hoefs 1974-9-12 45107 Los Angeles Santa Catalina Island. Cottonwood Canyon below Rancho Escondido. 107 Comment
  UCR182496  Juncus balticus R. G. Swinney 1997-7-22 5703 Los Angeles San Gabriel Mtns, Government Canyon, west of Wrightwood, 0.75 mi. west of San Bernardino Co. line at Hwy 2, Blue Ridge Mtn. area 2195 Comment
  RSA235258  Juncus bufonius var. occidentalis M. A. Piehl, Peter H. Raven 1962-6-10 62410 Los Angeles San Clemente Island: [Mount] Thirst. 579 Comment
  RSA639103  Juncus macrophyllus L. C. Wheeler 1966-10-1 8940 Los Angeles San Gabriel Mountains: Millie's Orchard, lower Colby Ranch, Coldwater Canyon 1006 Comment
  UCR124693  Juncus mexicanus B. C. Templeton 1932-6-18 4927 Los Angeles San Gabriel Mtns, Angeles National Forest: Jackson Lake 1930 Comment
  RSA0015840  Juncus rugulosus LeRoy Gross, Evan Meyer, Bart O Brien 2013-10-17 6210 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  UCR210247  Juncus rugulosus R. G. Swinney 2008-8-14 9433 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  UCR168559  Juncus textilis Joseph A. Ewan 1930-10-22 3431 Los Angeles Transverse Ranges; Liebre Mtns region, Bouquet Canyon, 5 miles above mouth 488 Comment
  RSA595159  Juniperus californica Steve Boyd 1996-4-25 8704 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
  JEPS11572  Keckiella cordifolia Frank W. Peirson 1924-6-16 Los Angeles Pasadena Comment
  RSA401781A  Keckiella cordifolia Howard Mullins 1931-5-9 s.n. Los Angeles Santa Susana. Comment
  UCR212819  Keckiella cordifolia Ellen Mackey, Alexia Mackey 2006-6-29 NFWF- 1755 Los Angeles Peninsular Ranges; Chino-Puente Hills, San Gabriel River Watershed, Turnbull Canyon, Turnbull Canyon Road 313 Comment
  CAS-BOT-BC246118  Keckiella ternata var. ternata John Thomas Howell 1947-7-18 23378 Los Angeles Tujunga Canyon, San Gabriel Mountains 914 Comment
  POM123187  Kochia californica Marcus E. Jones 1900-7-10 s.n. Los Angeles Lancaster, SW Mojave Desert. Comment
  UCR69884  Kochia scoparia Steve B. Orloff 1991-9-10 s.n. Los Angeles Palmdale, intersection of Palm Vista Road and Ave R Comment
  RSA612157  Koeleria macrantha L. C. Wheeler 1932-7-2 913 Los Angeles Brown's Flat 1311 Comment
  CHSC26436  Krascheninnikovia lanata N. Rinden 1971-5-2 31 Los Angeles 10 miles SW of Victorville, 0.5 miles West of Hwy. 395 on rd. to Phelan in Mojave Desert. 1219 Comment
  POM158108  Lactuca serriola L. R. Abrams 1902-8-18 2956 Los Angeles Ballona Creek, near Mesmer Comment
  RSA733131  Lactuca serriola R. G. Swinney 1998-8-1 6603 Los Angeles Mine Gulch at East Fork of San Gabriel River Canyon. Open canyon bottom, lower Mine Gulch with no riparian development except right at aconfluence; sandy-silty soil with rocks. 1341 Comment
  CATA1250  Lagunaria patersonia Mark L. Hoefs, Phil Hartman, Bret Marin 1995-6-27 2330 Los Angeles Santa Catalina Island: Catalina Harbor 3 Comment
  RSA409528  Lamium amplexicaule Christopher Davidson 1973-4-6 1866 Los Angeles Malibu Canyon, Tapia Park. 243 Comment
  SEINET13946470 Image available Lamium amplexicaule Scott D. White 1996-1 3818 Los Angeles Geneva Ave: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. 34 deg. 5'N, 117 deg. 43.5'W. 1060 ft alt. 323 Comment
  UCR59233  Lampranthus tenuifolius A. C. Sanders 1988-2-18 7689 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar. Blvd. 30 Comment
  POM361497  Lasthenia californica Richard C. Barkelew 1929-4-23 s.n. Los Angeles Mulholland Highlands near LA. Comment
  RSA593444  Lasthenia gracilis Steve Boyd 1996-4-24 8645 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  UCR68935  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4220 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  POM361495  Lasthenia gracilis Christopher Davidson 1973-4-7 1881 Los Angeles Lucerne Valley, 33 miles from Apple Valley. 854 Comment
  RSA0116844  Lathyrus vestitus R. G. Swinney 2010-5-25 12922 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  POM180175  Lathyrus vestitus subsp. laetiflorus Joseph A. Ewan 1929-4-27 3705 Los Angeles North end Verdugo Range, at Sunland. 365 Comment
  UCR273418  Lathyrus vestitus subsp. vestitus R. G. Swinney 2011-3-18 14157 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  LA200445  Lathyrus vestitus var. vestitus Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  RSA90348  Lathyrus vestitus var. vestitus F. W. Peirson 1921-5-12 4691 Los Angeles Big San Anita Trail 762 Comment
  RSA678696  Lavatera assurgentiflora Mark A. Elvin, Orlando Mistretta 1996-3-22 116 Los Angeles San Clemente Island Comment
  CAS-BOT-BC321501  Layia glandulosa Geo. B. Grant 1902-4-1 112 Los Angeles Pasadena Comment
  RSA0070131  Layia glandulosa Orlando Mistretta, Christine Mistretta 2003-4-30 1984 Los Angeles Saddleback Butte State Park. 824 Comment
  RSA571273  Layia glandulosa Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8314 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
  RSA704354  Layia glandulosa Gary D. Wallace, M. Z. Wallace 1982-4-24 1923 Los Angeles West of Palmdale, south end of Munz Ranch road. Comment
  CAS-BOT-BC380216  Layia platyglossa E. R. Blakley 1963-12-7 6332 Los Angeles San Clemente Island, 200 feet north of Lighthouse north of Pyramid Road 53 Comment
  CAS-BOT-BC380220  Layia platyglossa Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Cnyon 198 Comment
  POM361666  Layia platyglossa subsp. campestris F. R. Fosberg 1931-5-7 4840 Los Angeles Cottonwood Canyon, Santa Catalina Island 160 Comment
  POM361668  Layia platyglossa subsp. campestris Howard Mullins 1931-4-6 s.n. Los Angeles Palmdale Comment
  RSA251482  Layia platyglossa subsp. campestris R. F. Thorne 1973-4-11 42779 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  UC520383  Lemna gibba Louis C. Wheeler 1932-8-28 1301 Los Angeles San Jose Hills, Puddingstone Dam Puddingstone Dam; San Jose Hills, Puddingstone Dam 274 Comment
  SEINET11769996  Lemna gibba Unknown 1929-1 s.n. Los Angeles Los Angeles, La Brae pits Comment
  OBI69261  Lepechinia fragrans John Knapp, Denise Knapp 2003-4-13 33 Los Angeles Catalina Island 3695254.984N x 369457.457E 141 Comment
  CAS-BOT-BC126765  Lepidium dictyotum A. C. Sanders; Stephen Reynolds; Anuja Parikh; Nathan Gale; et al 2010-3-29 37631 Los Angeles Tehachapi Mtns. Foothills/W Mojave Desert: ephemeral stream c. 0.7 mile ESE (103 deg. ) of Quail Lake, northeast of the intersection of the National Cement Plant Rd. and Hwy 138 1015 Comment
  UC1076213  Lepidium flavum H. L. Mason 1932-4-1 6863 Los Angeles 1 mi e Lancaster Comment
  SBBG130746  Lepidium lasiocarpum S. A. Junak 2000-3-30 SCa 1142 Los Angeles W end of beach at Little Harbor 24 Comment
  SBBG130747  Lepidium oblongum S. A. Junak 2000-3-30 SCa 1141 Los Angeles W end of beach at Little Harbor 24 Comment
  RSA603645  Lepidium pinnatifidum L. C. Wheeler 1944-9-25 5975 Los Angeles Culver City: Jasmine Avenue and Venice Boulevard. Comment
  POM302274  Lepidium virginicum Lyman Benson 1957-5-23 15729 Los Angeles North end of Indian Hill Boulevard, above Claremont 487 Comment
  RSA429657  Lepidium virginicum var. pubescens F. R. Fosberg 1930-6-26 3024 Los Angeles Lower Ballona Creek. 10 Comment
  UC10684  Lepidium virginicum var. pubescens Jos. Burtt Davy 1901-3-1 Los Angeles Saugus Comment
  RSA678208  Lepidium virginicum var. virginicum V. Soza, LeRoy Gross 2001-4-18 1134 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons. 732 Comment
  POM310452  Lepidospartum squamatum Margaret Hardinge 1945-11-26 66 Los Angeles Claremont- in San Antonio Wash. 335 Comment
  RSA657164  Lepidospartum squamatum Joseph M. Keefe 1978-5-11 22904 A Los Angeles Verdugo Mountains: Stough Canyon, Firebreak Road, 0.5 km north of DeBell Golf Course, foothills of Verdugo Mtns, Burbank. 457 Comment
  SDSU4736  Lepidospartum squamatum F. Young Berg 1933-10-9 1570 Los Angeles East of Eli P. Clark Hall; Pomona College. Comment
  UCR108371  Lepidospartum squamatum L. C. Wheeler 1961-6-13 7874 Los Angeles San Gabriel Mtns., Pacoima Canyon near Dutch Louie Camp 716 Comment
  UCR212797  Lepidospartum squamatum Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1839 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  RSA596503  Lepidospartum squamatum L. C. Wheeler 1966-11-19 9133 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  UC205727 Image available Leptochloa uninervia I. M. Johnston 1918-10-21 2163 Los Angeles Los Angeles River; Aliso St. Bridge Comment
  UCR54028  Leptochloa uninervia S. J. Myers 1988-10-13 s.n. Los Angeles Mojave Desert, East Lancaster, at and near Little Rock Wash, between 40th St. E and 70th St. E and between Ave. L and Ave. J 734 Comment
  SEINET7287990  Leptodactylon pungens B. C. Templeton, I. W. Clokey 1936-5-18 5661 Los Angeles San Gabriel Canyon, San Gabriel mountains. Comment
  UC303733  Leptodactylon pungens I. Johnston 1917-7-4 1418 Los Angeles summit Baldy (Southern California); summit of Baldy 3048 Comment
  UCR276989  Leptosiphon aureus subsp. aureus R. G. Swinney 2010-6-1 13137 Los Angeles San Gabriel Mountains, Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA662578  Leptosiphon breviculus T. S. Ross 1990-6-25 3798 Los Angeles Vicinity of Crystal Lake 1677 Comment
  SEINET7967498 Image available Leptosiphon liniflorus Louis C. Wheeler 1967-6-26 9866 Los Angeles San Gabriel Mountains: Whitney Canyon. near mouth. 434 Comment
  UCSB6467  Leptosyne bigelovii Gill, Robert 1959-3-24 Los Angeles State 138 - 1/2 mile from U.S. 99; San Joaquin Valley drainage area 1097 Comment
  UCR162202  Lessingia filaginifolia David Charlton 1990-1 3912 Los Angeles Saugus; former boys' camp in cut that contains abandoned mature landscaping 366 Comment
  JEPS52197  Lessingia glandulifera var. glandulifera Ernest C. Twisselmann 1966-9-8 12787 Los Angeles Castaic Valley; San Emigdio Range and Mt. Pinos 1188 Comment
  POM307006  Lessingia glandulifera var. glandulifera Henry J. Ramsey, Henry J. Ramsey 1937-8-19 1917 Los Angeles San Gabriel Wash. Comment
  RSA91283  Lessingia glandulifera var. glandulifera F. W. Peirson 1918-10-26 294 Los Angeles South base of San Gabriel Mountains, Big Dalton Canyon. 610 Comment
  SD114759  Lessingia lemmonii var. ramulosissima Wayne P. Armstrong 1982-10-16 Los Angeles Phelan Road, ca. 1 mile east of Phelan 1250 Comment
  RSA464486  Lewisia rediviva George R. Johnstone 1928-6-10 s.n. Los Angeles Mt. San Antonio: N slope just beyond saddle, near Sierra Club cabin. Comment
  RSA561599  Leymus condensatus Steve Boyd, Walter Appleby 1993-5-24 8168 Los Angeles Seepages along upper end of Wilson canyon Rd, S of Wilson Canyon Saddle and E of the communication facility 944 Comment
  POM352204  Leymus triticoides A. Chase 1930-4-26 S- 3008 Los Angeles Los Angeles. Culver gargen. Comment
  RSA729948  Leymus triticoides R. G. Swinney 1999-5-8 7134 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  SEINET10926851  Leymus triticoides Frank W. Gould 1941-5-11 Gould 2341 Los Angeles In vacent lot near Compton Junior College, Compton. Comment
  RSA0018989  Lilium humboldtii subsp. ocellatum Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11699 Los Angeles 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
  RSA682626  Linanthus aureus Scott D. White, Michael Honer 2003-5-7 9214 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at Old Ridge Route. 427 Comment
  RSA570187  Linanthus aureus subsp. aureus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5024 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA590654  Linanthus aureus var. aureus T. S. Ross, S. D. Boyd 1990-6-4 2792 Los Angeles Lower Moody Canyon: Moody Truck Road; 0.6 mi N of junction with powerlin road. 976 Comment
  UCR205926  Linanthus bigelovii R. G. Swinney 2008-5-5 8776 Los Angeles San Gabriel Mtns., Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  CAS-BOT-BC226756  Linanthus californicus Edith A. Purer 1935-5-11 6576 Los Angeles Along Malibou [Malibu] Road, Santa Monica Mts. Comment
  RSA468429  Linanthus californicus Fordyce Grinnell Jr. 1910-06 s.n. Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  RSA468450  Linanthus californicus Mildred R. Solomen 1931-7-12 s.n. Los Angeles Mt. Wilson. Comment
  POM364571  Linanthus dianthiflorus subsp. dianthiflorus S. M. Seymour 1923-3-26 s.n. Los Angeles East of Devil's Gate Dam, Altadena Comment
  RSA570185  Linanthus parryae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5022 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  RSA73006  Linanthus parryae F. W. Peirson 1917-5-13 945 Los Angeles West of Little Rock. Comment
  POM4226  Linaria canadensis var. texana Philip A. Munz 1918-5-16 2244 Los Angeles Claremont. Comment
  UC212401  Lithophragma affine S. B. Parish 1919-4-19 19263 Los Angeles near San Dimas (Lone Hill); Lone Hill Comment
  RSA587075  Lithophragma bolanderi T. S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek trail between Chantry Flat and Hoegee camp (on Winter Creek), on the W side of Santa Anita Canyon. 805 Comment
  RSA439334  Lobelia dunnii var. serrata Geo L. Moxley 1914-9-6 270 Los Angeles Arroyo Seco, near Switzer's Camp Comment
  RSA733172  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Los Angeles San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River. 1037 Comment
  SBBG69651  Lobelia dunnii var. serrata V. Duran 1933-8-12 3548 Los Angeles South Fk Big Rock Crk 1524 Comment
  RSA657152  Lobularia maritima Joseph M. Keefe 2001-1-19 31007 Los Angeles Big Tujunga Wash, 400 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District 384 Comment
  RSA656251  Lobularia maritima Yvonne Younger 1977-5-22 22 Los Angeles Verdugo Mountains: 934 Cresthaven Drive, Eagle Rock. 243 Comment
  LA26038  Loeflingia squarrosa Francis M. Ball; 1957-10-5 sn Los Angeles Antelope Valley, 2 mi. E of Pearland, at Linanthus parryae transect, Comment
  SBBG112955  Logfia arizonica S. A. Junak 1998-6-13 SCa 736 Los Angeles Little Harbor, above W end of beach 27 Comment
  CAS-BOT-BC342186  Logfia filaginoides Geo. B. Grant 1902-5-10 s.n. Los Angeles Arcadia Comment
  SBBG128333  Logfia filaginoides S. Lawrence-Gomez, A. Cheung, D. Kasang, M. Zou, S. Ratay 2011-7-8 37 Los Angeles Deer Valley Trail 92 Comment
  CATA1196  Logfia gallica Mark L. Hoefs, Jay B. Walker, Carol Annable 1995-6-5 2215 Los Angeles Santa Catalina Island: Upper White's Landing Road 426 Comment
  UCR93324  Lolium perenne Scott D. White 1996-5-15 4044 Los Angeles Southern Coastal region, Marina Del Rey Area; Ballona Creek floodplain W of Lincoln Blvd. & south of Jefferson Blvd. 3 Comment
  RSA653619  Lolium perenne subsp. multiflorum Monica Acosta 1998-5-26 24 Los Angeles Parking lot J at California State Polytechnic University(Cal Poly Pomona) 226 Comment
  RSA678121  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  RSA785593  Lolium perenne subsp. multiflorum Doris Bowers 1968-6-29 692 Los Angeles Diamond Bar Ranch 305 Comment
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Aug 20 2014
  RSA13881  Lolium rigidum L. C. Wheeler 1933-6-24 1875 Los Angeles Sepulveda Blvd. at Los Angeles River, San Fernando Valley 198 Comment
  RSA226165  Lomatium dasycarpum subsp. dasycarpum Gary D. Cromwell, David Wheat 1971-4-21 538 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora. 556 Comment
  SFV18437  Lomatium dasycarpum subsp. dasycarpum unknown 1971-5-5 Los Angeles San Gabriel Mountains Placerita Canyon Park. West section. Comment
  SD254520  Lomatium lucidum R. G. Swinney 2011-5-10 14646 Los Angeles San Gabriel Mountains: c. 0.4 mile NE of Manzanita Mt. along connection trail between Hillside Trail and Manzanita Mt. trail, inside Placerita Canyon Natural Area (Mint Canyon 7.5'Q) 500 Comment
  UC73337  Lomatium lucidum Geo. B. Grant 1901-1 429 Los Angeles Altadena Comment
  UC1057257  Lomatium lucidum Mildred E. Mathias 1957-4-4 3158 Los Angeles 2.5 mi. s.w. Decker Fire Station (Decker Canyon Rd.) Comment
  UCR190455  Lomatium mohavense R. G. Swinney 2001-4-18 7893 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  UCR264441  Lomatium mohavense John F. Green 2008-3-26 308- 06 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  UCD127799  Lomatium utriculatum Daryl Koutnik 1978-4-28 440 Los Angeles Cornell Corners, south of Agoura Road on Cornell Road. 304 Comment
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Oct 1 2018
  JEPS25805  Lomatium utriculatum W. L. Jepson 1939-4-21 19228 A Los Angeles Leonis Valley 975 Comment
  UC1211047  Lonicera hispidula var. vacillans Huron H. Smith 1912-5-31 5058 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  RSA588972  Lonicera interrupta Orlando Mistretta 1994-6-8 1353 Los Angeles San Gabriel Mountains: Little Rock Creek. un-named drainage draining N slope of Bare Mountain. 1616 Comment
  CAS-BOT-BC234818  Lonicera subspicata Peter H. Raven 1956-6-17 9411 Los Angeles N.W. of Sunset Blvd. at Sepulveda Blvd. on slope sof Santa Monica Mts. Comment
  SBBG112917  Lonicera subspicata S. A. Junak 1998-10-21 SCa 812 Los Angeles W side of cyn between White's Landing and Moonstone Beach 30 Comment
  RSA0019893  Lonicera subspicata var. denudata Orlando Mistretta, Youssef Atallah 2011-8-12 6031 Los Angeles Aliso Cyn, 1.8 miles West of Jct. of Aliso Cyn Road and Angeles Forest Hwy. On bench above Aliso Creek. 1083 Comment
  RSA517142  Lonicera subspicata var. denudata T. S. Ross, S. D. Boyd 1990-5-14 2486 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1166 Comment
  UC1234713  Lonicera subspicata var. denudata D. Gregory 1961-8-10 480 Los Angeles sw Mt. San Antonio (near an apple orchard in the bottom of the canyon below some springs); San Gabriel Mts., Coldwater Canyon Comment
  UC450847  Lonicera subspicata var. denudata Fay A. MacFadden 1931-7-10 3079 Los Angeles Tuna Canyon Verdugo Hills Comment
  RSA228841  Lotus argophyllus var. argophyllus R. F. Thorne 1971-6-26 40623 Los Angeles mouth of Big Tujunga Canyon 427 Comment
  RSA90047  Lotus argophyllus var. argophyllus F. W. Peirson 95 Los Angeles summit of Mt. Wilson Comment
  UCR277086  Lotus corniculatus R. G. Swinney 2010-10-5 13981 Los Angeles San Gabriel Mountains, east end of Placerita Canyon Natural Area, near confluence of Placerita and Los Pinetos canyons 549 Comment
  IRVC29008  Lotus corniculatus A. C. Sanders, Mark Elvin 2002-6-25 25281 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  RSA774284  Lotus crassifolius var. crassifolius R. G. Swinney 2009-6-8 11086 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA582452  Lotus hamatus L. C. Wheeler 1934-3-24 2476 Los Angeles Liveoak Canyon, San Gabriel Mountains. 488 Comment
  RSA726022  Lotus humistratus A. C. Sanders, Tricia Wotipka, Mark Elvin 2003-4-28 26122 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam. 488 Comment
  RSA90322  Lotus humistratus F. W. Peirson 1919-5-11 406 Los Angeles Arraster [Arrastre] Creek, north slope of San Gabriel Mts. 854 Comment
  POM304866  Lotus oblongifolius var. oblongifolius H. J. Ramsey 1937-7-18 269 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  UCR78570  Lotus purshianus R. G. Swinney 1993-6-10 2256 Los Angeles San Gabriel Mtns., San Gabriel Mountains, 1.5 mi. east of Glendora Mountain Road at Big Dalton Canyon Road, north side of road at NE end of flood control tunnel 433 Comment
  IRVC28986  Lotus salsuginosus A. C. Sanders 2003-6-19 26977 A Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  UCR280864  Lotus salsuginosus R. G. Swinney 2014-5-19 16562 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  POM9652  Lotus salsuginosus var. salsuginosus P. A. Munz, R. D. Harwood 1920-5-15 4005 Los Angeles Sepulveda Canyon, Santa Monica Mountains 213 Comment
  SEINET12151341  Lotus scoparius H. M. Hall 1902-1 3094 Los Angeles San Francisquito Pass 457 Comment
  RSA407712  Lotus scoparius var. scoparius O. R. Dorado R. 1987-6-10 1693 Los Angeles San Gabriel Mountains; near Rincon Ranger Station. 762 Comment
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Sep 17 2014
  UCR194728  Lotus scoparius var. scoparius Valerie Soza, Laura Moore 2000-5-10 829 Los Angeles Transverse Ranges: Verdugo Mountains, north side, Verdugo Crestline Drive, north of La Tuna Canyon and south of Pasko Park. Fire road south of Verdugo Crestline Drive at fire gate to powerlines 595 Comment
  RSA654021  Lotus strigosus Valerie L. Soza, Laura Moore 2000-5-10 841 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. 579 Comment
  UCR205739  Lotus strigosus A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36987 Los Angeles San Gabriel Valley, San Gabriel River channel between Lower Azusa Rd. and the I-605 crossing, southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 110 Comment
  RSA406310  Lotus strigosus Samuel R. Tyson 1942-5-7 s.n. Los Angeles San Dimas Canyon. 427 Comment
  RSA568531  Lotus unifoliolatus E. S. Spalding 1923-5-19 s.n. Los Angeles Roadside, Pasadena Comment
  RSA592364  Lotus unifoliolatus Mark Hoefs 1974-4-30 440 Los Angeles Santa Catalina Island 84 Comment
  RSA406395  Lotus wrangelianus Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA706904  Lupinus Gary D. Wallace, M. Wallace 1985-3-2 2177 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  CAS-BOT-BC201412  Lupinus albifrons var. albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  SD39017  Lupinus albifrons var. albifrons Edith A. Purer 1931-3-18 1520 Los Angeles Sandy area along Ballona av. just east of town of El Segundo. Comment
  SD21270  Lupinus albifrons var. douglasii Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Comment
  SBBG38745  Lupinus bicolor M. B. Dunkle 1939-4-6 7321 Los Angeles San Clemente Island [Mosquito Ridge) Comment
  UC1401249 Image available Lupinus bicolor D. B. Dunn and C. Epling 1946-4-19 2129 Los Angeles 0.9 mi s Highway 99 and Highway 138 junction (and for several miles to the n of junction and n of the town of Gorman); ; N of Gorman, Los Angeles Co. 1066 Comment
  UC1537130  Lupinus bicolor Gordon H. True Jr. 1936-3-27 175 Los Angeles foothills 5 mi w Palmdale; w of Palmdale 914 Comment
  SBBG98528  Lupinus bicolor T. Ross 1991-5-21 5387 Los Angeles upper E branch of Box Cyn, affected by recent burn Comment
  UC1401266  Lupinus bicolor David B. Dunn and Epling 1946-4-19 2138 Los Angeles small knoll on Hwy 138, 0.2 mi n of the junction of the Old Ridge Route 853 Comment
  RSA599879  Lupinus bicolor subsp. marginatus Steve Boyd, Lauren Raz 1997-5-6 9724 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
  POM350031  Lupinus bicolor subsp. microphyllus N. C. Cooper 1945-5-1 2179 Los Angeles Santa Monica Mountains 762 Comment
  SEINET7249063  Lupinus chamissonis Jeremiah George, Audrey George 2014-1 Los Angeles Comment
  CATA1628  Lupinus concinnus Mark L. Hoefs, Steven A. Junak, Keri Kirkland, Lisa Stratton 1998-5-2 2901 Los Angeles Santa Catalina Island: Near Divide Road, east end 1.7 miles from Wrigley Memorial 275 Comment
  CATA3298  Lupinus concinnus Amy Catalano, Jen Dreizehn 2017-3-16 015 Los Angeles Santa Catalina Island: About 70 m N of Empire Landing Rd., across road from Buffalo Springs Reservoirs 452 Comment
  CHSC98055  Lupinus concinnus LeRoy Gross 2003-3-9 806 Los Angeles Transverse Ranges: San Rafael hills, (Verdugo Mountains Flora): Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway, between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 354 Comment
  SD66900  Lupinus concinnus R. Mitchel Beauchamp 1967-3-20 345 Los Angeles Santa Catalina Island; above Abalone Point, south of Avalon. Comment
  RSA619088  Lupinus densiflorus R. S. Woglum 1930-4-13 1474 Los Angeles North Hollywood Comment
  UC311823  Lupinus elatus P. A. Munz 1921-6-18 4568 Los Angeles Swartout Valley; San Antonio Mtns., Swartout Valley 1828 Comment
  UCR204260  Lupinus elatus Naomi Fraga, Elizabeth A. Kempton 2008-7-2 2303 Los Angeles San Gabriel Mountains, north slope of Mount Islip from Little Jimmy Campground to the summit 2500 Comment
  CAS-BOT-BC216663  Lupinus excubitus subsp. hallii P. A. Munz; R. D. Harwood No date on label 3727 Los Angeles Santa Ana Mountains 548 Comment
  RSA729969  Lupinus excubitus var. austromontanus R. G. Swinney 1999-5-22 7207 Los Angeles San Gabriel Mtns./Mojave Desert: Le Montaine Canyon, c. 0.5 mi. south of Camp Jubilee Rd. 1701 Comment
  SEINET10485290  Lupinus excubitus var. hallii Unknown Anonymous s.n. Los Angeles Plants 2 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  SD82956  Lupinus formosus R. F. Thorne, M. Z. Thorne 1969-7-9 38505 Los Angeles San Gabriel Mountains; Angeles National Forest. 2133 Comment
  UC1129486  Lupinus hirsutissimus A. D. Gifford 1938-5-8 671 Los Angeles 1 mi ne Whitaker Peak; Angeles National Forest, Tejon Quadrangle Comment
  UCR155135  Lupinus microcarpus A. C. Sanders 2005-5-5 29949 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SBBG120065  Lupinus microcarpus var. densiflorus A. C. Sanders, M. Elvin 2003-4-14 25971 Los Angeles hills immediately SW of Magic Mtn, just across dirt service rd, S of Santa Clara River, Newhall Ranch 351 Comment
  SBBG66987  Lupinus microcarpus var. microcarpus R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  SD113424  Lupinus sparsiflorus Darley F. Howe 1915-1 3 Los Angeles Claremont Comment
  UC1584905  Lupinus succulentus Tim Ross 1991-4-8 4479 Los Angeles western Pomona (Elephant Hill); San Dimas Quad., Western Pomona, Elephant Hill 228 Comment
  RSA35466  Lupinus succulentus Emily M. Bradford 1904-3-17 s.n. Los Angeles Redondo Beach. Comment
  RSA414821  Lupinus succulentus M. B. Dunkle 1936-4-11 3768 Los Angeles 30 miles North of Ensenada Comment
  UCSB3350  Lupinus succulentus Wedberg, H. 1957-4-6 Los Angeles Mouth Latigo Can. Comment
  RSA712719  Lupinus truncatus A. C. Sanders 2003-3-14 25778 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd., north edge of 210 freeway east of the San Gabriel River channel. 159 Comment
  RSA724593  Lupinus truncatus K. Dobry 1991-5-18 614 Los Angeles At 415 Stunt Rd. Santa Monica Mts. Cold Creek Cyn Comment
  UCR126612  Lupinus truncatus A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26049 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park 396 Comment
  RSA633354  Lycium andersonii Louis C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  SEINET3162273  Lycium brevipes var. hassei G. B. Grant, W. Wheeler 1904-1 739 a/6151 Los Angeles on Santa Catalina Island, Pacific Ocean, off southern California Comment
  LA98861  Lycium cooperi E. R. Hobbs; 1979-6-25 79- 107 Los Angeles Antelope Valley, Palmdale, NW corner of Avenue P and 30th Street Comment
  RSA80335  Lycium cooperi F. W. Peirson 1921-5-19 1086 Los Angeles Little Rock Creek 945 Comment
  CAS-BOT-BC142325  Lyonothamnus floribundus subsp. floribundus D. E. Breedlove 1961-9-23 1271 Los Angeles S side of Cherry Canyon 1.5 mi from beach - Santa Catalina Island 243 Comment
  UC167994  Lyonothamnus floribundus subsp. floribundus Katharine Brandegee May, 1889 Los Angeles Santa Catalina Island Comment
  UCR149509  Machaeranthera canescens R. G. Swinney 1997-7-14 5679 Los Angeles San Gabriel Mtns., west of Wrightwood, Table Mtn. area, c. 100 m NW of amphitheater and Table Mtn. Campground 2207 Comment
  POM4964  Madia elegans subsp. elegans D. L. Crawford 1915-6-30 561 Los Angeles Mountains above Claremont 1220 Comment
  RSA729862  Madia gracilis R. G. Swinney 1999-5-29 7238 Los Angeles lower East Fork San Dimas Canyon. 573 Comment
  CAS-BOT-BC343070  Madia gracilis Joseph Andorfer Ewan 1932-6-17 7259 Los Angeles Barley Flats, San Gabriel Mts. 1706 Comment
  UCR149795  Madia sativa Scott D. White, Pam Devries 2004-6-14 10490 A Los Angeles Western Transverse Ranges, Eastern Santa Susana Mountains. West of the I-5 Freeway, c. 4 mi N of I-5 / SH-14 jtn and 6 mi south of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 518 Comment
  RSA198813  Madia sativa R. F. Thorne, D. Propst 1968-5-28 37682 Los Angeles Santa Catalina Island, on delta above second (lower) reservoir in upper Bulrush Canyon 335 Comment
  POM180177  Mahonia dictyota J. Ewan 1929-9-21 3488 Los Angeles Millardo Canyon. 1220 Comment
Read comments
Sep 16 2014
  RSA596636  Mahonia nevinii Steve Boyd, Mark Elvin 1997-1-25 9126 Los Angeles Southern base of the San Gabriel Mountains, upper western edge of the alluvial fan spilling from the mouth of San Antonio Canyon, just south of Mt. Baldy Road and west of Padua Avenue. 542 Comment
  CAS-BOT-BC203922  Malacothamnus clementinus Frank W. Peirson 1923-4-9 3458 Los Angeles N. slope canon [canyon] at Lemmon [Lemon] Tank, San Clemente Is. Comment
  UCR80266  Malacothamnus davidsonii Fay A. MacFadden 1931-6-1 2957 Los Angeles La Tuna Canyon, Verdugo Hills 488 Comment
  LA47326  Malacothamnus fasciculatus David M. Bates; 1961-5-28 2493 Los Angeles Santa Monica Mountains, Mulholland Hwy, 0.4 mi. E of Malibu Lake 152 Comment
  RSA9774  Malacothamnus fasciculatus Louis C. Wheeler 1932-5-26 752 Los Angeles San Gabriel Wash. 107 Comment
  JEPS85114  Malacothamnus fasciculatus var. fasciculatus Roy E. Buck, Rexford Palmer 1989-4-27 1217 Los Angeles 7 air km nw of Castaic (ca 2.8 air km se of Townsend Pk summit; betw lanes of Interstate 5, near nw end of crossover sect, +/- on ridge betw Violin Canyon (see notes)) Comment
  UC527609  Malacothamnus fasciculatus var. fasciculatus C. B. Wolf 1931-6-25 2242 Los Angeles sw Los Angeles Botanic Garden (along Beverly Blvd, Madeville Canyon); Madeville Canyon 60 Comment
  RSA575102  Malacothamnus fremontii R. G. Swinney 1994-6-12 2937 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  RSA617466  Malacothamnus fremontii Scott D. White, Sandy Leatherman 1998-6-4 6636 Los Angeles Castaic Lake Area: Grasshopper Canyon watershed, between I-5 Fwy./Old Ridge Route and the lake. 427 Comment
  RSA617468  Malacothamnus marrubioides Scott D. White, Pam DeVries 1998-6-23 6758 -A Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon Road, S of I-14, E of Bee Canyon and W of Agua Dulce Canyon. 549 Comment
  UC2030083  Malacothamnus marrubioides Steve Boyd, Valerie Soza 2002-4-10 1387 Los Angeles Transverse Ranges, Liebre Mountains region: Ridge above east fork of Haskell Canyon, ridge just west of Del Sur Ridge. Approx. 2 miles NW along Coarse Gold Canyon fire road from Bouquet Canyon. Stable Fire 2001 area. Comment
  CAS-BOT-BC324550  Malacothrix David B. Weissman 1971-6-27 207 Los Angeles San Clemente Island, northwest harbor 91 Comment
  RSA0047913  Malacothrix californica R. G. Swinney 2010-5-12 12747 Los Angeles Soledad Canyon bottom, 2.2 miles west of Angeles Forest Hwy., 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m. to the east on the south side of West Carson Mesa Rd. 921 Comment
  UCR209060  Malacothrix californica A. C. Sanders 2007-4-25 33594 Los Angeles Tehachapi Mtns., Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA716223  Malacothrix californica Andrea Edwards, Pam De Vries 2006-4-11 74 Los Angeles Lebec USGS quad; triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA94959  Malacothrix clevelandii F. W. Peirson 1923-5-21 5288 Los Angeles South face of San Gabriel Mountains. Fish Canyon 792 Comment
  UC1594391  Malacothrix foliosa Tim Ross and Elizabeth Kellogg 1992-4-13 6146 Los Angeles coastal terrace in vicinity Darter (nw part of island, (340 degrees nnw, 1140m distant from 199' BM near Flasher; ca 250 m nnw of the shifting sands)); San Clemente Island 18 Comment
  RSA631392  Malacothrix saxatilis var. tenuifolia Valerie L. Soza, LeRoy Gross 1999-5-10 458 Los Angeles Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue 377 Comment
  SBBG66179  Malacothrix saxatilis var. tenuifolia R. Hoffmann 1927-8-31 Los Angeles Bouquet Cyn Comment
  UCR273278  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-7-7 15418 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR273416  Malacothrix saxatilis var. tenuifolia R. G. Swinney 2011-3-18 14158 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA117143  Malosma laurina Huron H. Smith 1912-6-24 5164 Los Angeles Avalon Canyon, Santa Catalina Island. 24 Comment
  UCSB8653  Malosma laurina McElwain, Isabelle 1953-5-4 Los Angeles 18000 Bull Canyon Rd., Granada Hills 457 Comment
  SD85106  Malva assurgentiflora E. R. Blakley 1961-9-23 4639 Los Angeles Santa Catalina; Bird Rock, 0.5 mile offshore from Isthmus Harbor. 6 Comment
  UCR219420  Malva parviflora R. G. Swinney 2009-3-26 10170 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  SEINET3143270  Malvastrum fasciculatum var. fasciculatum W. Wheeler 1904-7-5 748 -6421 Los Angeles Covina Comment
  LA210296  Malvella leprosa A. M. Johnson; 1934-4-3 4392 Los Angeles Del Rey Hills Comment
  RSA749660  Malvella leprosa R. G. Swinney 2005-8-5 8360 Los Angeles Caldwell Lake at Mile High, 0.4 mi. west of jct. of 204th St. East and Big Pines Hwy. 1561 Comment
  UCR252196  Malvella leprosa Jeremiah George, Audrey S. George 2014-7-24 s.n. Los Angeles Carson, just west of intersection of East Carson St. and North Avalon Blvd. 23 Comment
  LA33771  Marah macrocarpa Peter H. Raven; 1959-2-15 13790 Los Angeles Santa Monica Mountains, Benedict Canyon, 0.3 mi S of Mulholland Dr 335 Comment
  RSA0105038  Marah macrocarpa R. G. Swinney 2011-4-26 14506 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  CATA3261  Marah macrocarpa Julia Parish, Ben Dion 2017-1-3 003 Los Angeles Santa Catalina Island: Parson's WMU 11 Comment
  RSA167065  Marah macrocarpa W. G. Webb 1935-1-25 s.n. Los Angeles Near Glendale Comment
  RSA440965  Marah macrocarpa F. R. Fosberg 1931-12-10 7154 Los Angeles Pebble [Pebbly] Beach Canyon, left fork. Catalina Island. Comment
  OBI13671  Marrubium vulgare Unknown 1960-5-29 s.n. Los Angeles Pierce College campus, Canoga Park, Los Angeles 244 Comment
  UCR271985  Marrubium vulgare R. G. Swinney 2010-4-28 12412 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
  UCD134456  Matricaria discoidea Elizabeth Boncimino 1993-5-11 s.n. Los Angeles Walker Ranch, Newhall. 228 Comment
  POM6037  Matricaria matricarioides M. Howland s.n. Los Angeles Claremont. 365 Comment
  POM348014  Medicago lupulina Anstruther Davidson 1917-05 3187 Los Angeles Los Angeles. Comment
  UCSB68629  Medicago lupulina Gross, LeRoy 2004-5-19 Los Angeles Coastal Plains & Basins; San Fernando Valley Basin region; City of Sunland; bluff south side of Big Tujunga Wash, in yard in housing tract called "Sunhill Estates" Comment
  SBBG12324  Medicago polymorpha P. H. Raven 1962-4-9 17131 Los Angeles near barracks, Wilson Cove 60 Comment
  UCR186780  Medicago polymorpha Gary Kovnat, LeRoy Gross 2003-2-16 25 Los Angeles San Gabriel Mountains, Transverse Ranges; Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone 683 Comment
  POM12340  Medicago polymorpha F. L. Robinson 1921-3-18 s.n. Los Angeles Claremont. Comment
  SD31196  Medicago polymorpha Edith A. Purer 1931-3-12 977 Los Angeles Palos Verdes Comment
  UCSB3425  Medicago polymorpha McElwain, Isabelle 1953-3-8 Los Angeles 17090 Bull Canyon Rd. Grenada Hills Comment
  RSA15348  Medicago polymorpha var. brevispina C. B. Wolf 1926-3-22 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  UCR199266  Melaleuca quinquenervia R. E. Riefner Jr. 2007-3-10 07- 110 Los Angeles South Coast, San Pedro, near Cabrillo Beach Park, salt marsh inlet channel at Salinas de San Pedro 3 Comment
  CAS-BOT-BC281497  Melica imperfecta L. R. Abrams 1909-5-15 5316 Los Angeles Near Claremont Comment
  RSA562632  Melica imperfecta D. Charlton 1989-4-30 3029 Los Angeles Kentucky Sprngs, Sierra Highway-Angeles Crest Hwy, approximately 1 mile north of the northern boundary of the Angeles National Forest 1036 Comment
  RSA656166  Melica imperfecta Joseph M. Keefe 1977-6-11 22106 Los Angeles Verdugo Mountains; Glendale. South fork of Engleheard Canyon, one Km west of Elinita Ave. Camp Max Straus. 427 Comment
  RSA787202  Melica imperfecta J. D. Olmsted 1962-4-30 414 -B Los Angeles 1960 Johnstone Peak burn, from West Fork of San Dimas Creek to Wolfskill Falls 457 Comment
  SBBG47084  Melica imperfecta K. K. Muller 1972-5-2 3079 Los Angeles Red Rover Mine turnoff from St Hwy 14 between Los Angeles and Palmdale Comment
  UCR142483  Melica imperfecta F. R. Fosberg 1931-3-31 S- 4430 Los Angeles Channel Islands, Santa Catalina Island, Avalon 8 Comment
  UCR260381  Melica imperfecta R. G. Swinney 2010-4-23 12374 Los Angeles San Gabriel Mountains/Verdugo Mountains, east end of Hansen Dam Basin, on N side of Big Tujunga Wash channel, 0.1-0.5 miles E of Orcas Park 341 Comment
  UCR41707  Melica imperfecta G. R. Ballmer, G. F. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  RSA87328  Melica stricta var. albicaulis F. W. Peirson 1923-5-25 3524 Los Angeles Along stream on south side of canyon of Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA746774  Melilotus indicus R. G. Swinney 2008-4-17 8683 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  SFV1926  Melilotus indicus K. A. Wilson 1961-2-21 874 Los Angeles San Fernando Valley Los Angeles, Northridge. San Fernando Valley State College campus. Weedy field and edges of orange grove. 260 Comment
  UCR261341  Melilotus indicus R. G. Swinney 2010-4-1 12163 Los Angeles San Gabriel Mountains, Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St. intersection, below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay 399 Comment
  RSA127419  Mentha canadensis Peter H. Raven 1959-10-25 14710 Los Angeles With #14711; Malibu Creek 4.1 miles north of Coast Hwy. 91 Comment
  UCR277055  Mentha suaveolens R. G. Swinney 2011-9-22 15658 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCR259624  Mentzelia R. G. Swinney 2010-3-30 12116 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
  JEPS41148  Mentzelia albicaulis W. L. Jepson 1935-4-17 17031 Los Angeles west Mojave Desert, Lancaster 716 Comment
  CDA36650  Mentzelia albicaulis H. L. Wilson 1954-4-22 s.n. Los Angeles Mohave Desert; Pear Blossom. 0 Comment
  RSA440382  Mentzelia congesta Anstruther Davidson 1906-6-1 s.n. Los Angeles Rock Creek Comment
  RSA570156  Mentzelia gracilenta Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4805 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  IRVC27969  Mentzelia micrantha A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26127 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
  RSA702372  Mentzelia micrantha Scott D. White, Pam DeVries 2004-5-18 10418 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  SBBG112828  Mentzelia micrantha S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-7-16 SCa 755 Los Angeles ridge between Fourth of July Cove and Cherry Cove (Lion's Head ridge) 30 Comment
  POM308325  Mentzelia micrantha Henry J. Ramsey, Henry J. Ramsey 1937-8-7 3058 Los Angeles Bear Creek Canyon, San Gabriel Mountains. Comment
  RSA0121622  Mentzelia veatchiana Pam De Vries 2013-4-3 7835 Los Angeles Tehachapi Mountains/Western Transverse Range (Gorman Hills). About 1.0 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Road. 1042 Comment
  RSA282454  Mentzelia veatchiana H. J. Thompson 1960-4-10 3045 Los Angeles 3.9 miles SE of Pearblossom on road to Valyermo. Mojave Desert. 1067 Comment
  RSA729702  Mentzelia veatchiana R. G. Swinney 1998-7-27 6508 Los Angeles Dry Lake, south of Sunset Peak at head of Dry Lake Canyon. 1515 Comment
  CAS-BOT-BC167629  Mentzelia veatchiana Timothy S. Ross; Steve Boyd 1994-5-25 7899 Los Angeles West Summit of Liebre Mountain: West Summit here construed as the rounded knoll 100 m S of the intersection of sections 3, 4, 9, & 10 1708 Comment
  CAS-BOT-BC435248  Mesembryanthemum crystallinum Nell Murbarger 1936-3-1 97 Los Angeles San Clemente Island. South and west sides of island Comment
  SBBG83254  Mesembryanthemum nodiflorum M. Daily 1986-4-7 SCa-t- 10 Los Angeles Bird Rock Comment
  POM363443  Microseris lindleyi F. R. Fosberg 1931-3-27 4402 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island, 150 Comment
  UCR183841  Microseris sylvatica A. C. Sanders 2007-4-19 33418 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  SD7679  Microsteris gracilis J. C. Nevin none given Los Angeles Los Angeles Comment
  JEPS17964  Mimulus aurantiacus var. pubescens George B. Rossbach 1955-6-20 503 Los Angeles about 2 mi n Mill Creek Summit (Los Angeles Crest Highway (Route 2), near Aliso Canyon Road) 1219 Comment
  UCD122369  Mimulus aurantiacus var. pubescens Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the west end of the San Fernando Valley. 365 Comment
  UCR205676  Mimulus aurantiacus var. pubescens A. C. Sanders, T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UCR212795  Mimulus aurantiacus var. pubescens Ellen Mackey, Blake Whittington 2006-10-11 NFWF- 1792 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, [San Dimas Canyon], east side of San Dimas Canyon Road below dam 441 Comment
  SEINET3159637  Mimulus bifidus G. B. Grant 1904-5-24 286 Los Angeles From Altadena, southern California. Comment
  RSA408146  Mimulus brevipes L. E. Hoffman 1929-6-23 s.n. Los Angeles Pacoima Canyon, Angeles Forest; Pacoima Wash. Comment
  RSA602555  Mimulus floribundus Louis C. Wheeler 1967-8-9 10418 Los Angeles San Gabriel Mountains: Headwaters of Devil's Canyon on S side Mt. Waterman. 2195 Comment
  UCR124681  Mimulus fremontii B. C. Templeton, I. W. Clokey 1930-4-8 1040 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  UCR151658  Mimulus fremontii R. G. Swinney 1998-4-14 5981 Los Angeles San Gabriel Mtns./Southern Mojave Desert, 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
  LA209483  Mimulus fremontii var. fremontii Philip A. Munz; Ivan M. Johnston, R. D. Harwood 1920-5-24 4031 Los Angeles Big Tujunga Wash Comment
  RSA0098787  Mimulus guttatus R. G. Swinney 2011-6-1 14937 A Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  UCR259378  Mimulus guttatus R. G. Swinney 2010-5-7 12609 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
  RSA624039  Mimulus johnstonii Arthur R. Kruckeberg 1940-7-7 976 Los Angeles Chilao Flats Comment
  SEINET12269818  Mimulus johnstonii H. W. Graham 1927-1 9- 9 -8 Los Angeles along trail & road from Mt. Lowe Tavern, Mt. Lowe, to observatory on Mt. Wilson near Los Angeles Comment
  UCR194262  Mimulus moschatus R. G. Swinney 1998-8-5 6651 Los Angeles San Gabriel Mtns., upper East Fork San Gabriel River, nameless tributary from the east, immediately north of Alder Gulch 1280 Comment
  RSA529919  Mimulus pilosus Tim S. Ross 1991-8-16 5829 Los Angeles San Gabriel Mountains, Horse Flats. 1720 Comment
  RSA507993  Minuartia douglasii Steve Boyd, Timothy S. Ross 1988-4-28 2248 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  PASA600  Mirabilis californica Ruth M. Evans 1931-3-15 Los Angeles Lone Hill, Glendora Comment
  RSA748914  Mirabilis laevis R. G. Swinney 2008-5-2 8740 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR219459  Mirabilis laevis R. G. Swinney 2009-3-26 10164 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  RSA464641  Mirabilis laevis var. crassifolia F. R. Fosberg 1931-3-18 S 4293 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  CAS-BOT-BC384079  Mirabilis laevis var. villosa P. C. Everett; E. K. Balls 1959-5-22 23808 Los Angeles Big Rock Creek, n. slopes, San Gabriel Mts., from Valyermo 1219 Comment
  RSA464228  Mirabilis laevis var. villosa Robert Gustafson 1978-6-21 1025 Los Angeles Lower Hungry Valley, Freeman Canyon, about 4.0 miles south of Gorman 945 Comment
  RSA0074179  Modiola caroliniana C. N. Carter 1909-6-12 s.n. Los Angeles Claremont. Comment
  UCD86069  Monanthochloe littoralis F. M. Reed 1909-7-6 2856 Los Angeles Catalina Saltimus. Comment
Read comments
Dec 7 2014
  RSA609405  Monardella australis subsp. australis Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Divide between West Fork Bear Creek and Devils Canyon 1822 Comment
  UCR141715  Monardella australis subsp. cinerea R. G. Swinney 1997-8-19 5827 Los Angeles Eastern San Gabriel Mountains, San Antonio Peak (= Lookout Mountain), about 100 m N of summit on ridge saddle. 1994 Comment
  POM4070  Monardella breweri subsp. breweri W. R. Dudley, F. H. Lamb 1896-6-8 4341 Los Angeles At Spragues, Liebre Mts. [an annotation note by Carl Epling reads: Same collection number (Stanford Univ. Herb. 13765) was collected at Edge of Antelope Valley near Neenach, June 6, 1896. ] Comment
  RSA131240  Monardella lanceolata var. lanceolata Percy C. Everett, E. K. Balls 1959-6-2 23826 Los Angeles 1 miles NE of entrance of Stokes Canyon, Santa Monica Mountains. 183 Comment
  SD90540  Monardella linoides subsp. erecta Robert F. Thorne, J. Dourley 1967-10-3 37269 Los Angeles Mt. Baden-Powell: N sope at Vincent Gap 2133 Comment
  RSA401602  Monardella linoides subsp. stricta Anstruther Davidson 1893-7-4 1871 Los Angeles Big Rock Creek. Comment
  SEINET5333385  Monardella saxicola L. Wheeler 1935-11-3 4065 Los Angeles Palmer Canyon, San Gabriel Mts. 518 Comment
  RSA65884  Monolepis nuttalliana F. W. Peirson 1932-4-17 9849 Los Angeles Near dam head, Lovejoy Buttes, Mohave Desert 762 Comment
  RSA785320  Monolopia lanceolata D. Silverman, Cindy Hopkins 2007-4-24 6734 Los Angeles Tejon Ranch, 1000m ESE of National Cement, 1.7km W of California Aqueduct, 500m S of the county line, just N of access road 988 Comment
  UCR29847  Mucronea perfoliata G. R. Ballmer 1983-5-19 s.n. Los Angeles Dry slope near Fort Tejon Rd. about 0.5 mi west of its intersection with Longview Rd., 3.5 mi south of Pearblossom 1016 Comment
  CAS-BOT-BC262699  Muhlenbergia californica Victor Duran 1933-8-11 3546 Los Angeles South Fork Big Rock Creek, San Gabriel Mts. 1600 Comment
  RSA755634  Muhlenbergia californica R. G. Swinney 2008-7-16 9266 Los Angeles Little Rock Creek Canyon, 1.6 mi. south of Burkhart Saddle along the Burkhart Trail, at stream crossing 1817 Comment
  CATA929  Muhlenbergia microsperma Mark L. Hoefs, Douglas R. Hoefs, Hilary Greene 1992-4-15 1786 Los Angeles Santa Catalina Island: North of road between Emerald Bay and Parsons Landing 121 Comment
  SD185091  Muhlenbergia microsperma A. C. Sanders, Lee Jones 2005-4-8 29325 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
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Apr 28 2016
  SD260867  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1 - 0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. Station Fire burn of 2009. 1096 Comment
  UC1577336  Muilla maritima Baki Kasapligil 1960-4-11 3223 Los Angeles slopes near dam; Little Rock Canyon 1127 Comment
  SD53058  Munzothamnus blairii Peter H. Raven 1962-4-12 17310 Los Angeles San Clemente Isdland; large canyon below the Tomb. 245 Comment
  SBBG57003  Nassella cernua R. Hoffmann 1927-6-13 Los Angeles near Chandler's Comment
  UC440427  Nassella cernua Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mountains Comment
  RSA725593  Nassella pulchra Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 413 Los Angeles Santa Catalina Island. Boushay Canyon below Silver Peak Road 356 Comment
  SBBG31223  Nassella pulchra R. F. Thorne 1966-4-6 35930 Los Angeles ca. 1 mi W of Empire Landing 213 Comment
  RSA469840  Navarretia hamata subsp. hamata B. C. Templeton 1935-6-23 4791 Los Angeles Azusa. Comment
  UCR148996  Navarretia prostrata Beecher Crampton 1963-5-8 6794 Los Angeles Coastal Plains & Basins; Los Angeles Basin region., Los Angeles, north of Gardena, Rosecrans Ave. just west of its junction with Western Ave. Comment
  JEPS123340  Navarretia setiloba David Gowen with Leigh Johnson 2010-5-12 1109 Los Angeles Near vernal pool above Plum Canyon Road (dirt), west of Sierra Hwy and Arlene Road. Comment
  RSA611769  Nemacladus ramosissimus L. C. Wheeler 1934-4-24 2548 Los Angeles Liveoak Canyon Dam 457 Comment
  SBBG3750  Nemacladus rubescens R. Hoffmann 1929-5-20 Los Angeles Roosevelt Comment
  SEINET10939182  Nemacladus rubescens Hoffman 1929-5-20 HOFFMAN s.n. Los Angeles Roosevelt Comment
  CAS-BOT-BC520323  Nemacladus sigmoideus R. G. Swinney 2011-6-29 15360 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 m downstream (S) from Monte Cristo Campgrund 1082 Comment
  RSA611519  Nemacladus sigmoideus L. C. Wheeler 1968-5-12 s.n. Los Angeles Spring 2/3 mile E of Juniper Bowl; Juniper Hills. 1158 Comment
  RSA0046820  Nemophila menziesii var. integrifolia Karl Steddom 1994-5-22 32 Los Angeles USFS trail 7W12 Baldy Tr. 1500 Comment
  CATA1945  Nemophila menziesii var. menziesii Reid Moran 1941-3-6 681 Los Angeles Santa Catalina Island: Middle Ranch Canyon 274 Comment
  UCR271730  Nemophila menziesii var. menziesii R. G. Swinney 2011-3-26 14203 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  RSA672295  Nicotiana glauca Joseph M. Keefe 2001-1-19 30943 Los Angeles End of sidewalk along Eagle Rock View Drive, south facing slope, south face of the Eagle Rock. 293 Comment
  UCD126646  Nicotiana glauca Elizabeth Boncimino 1993-5-4 s.n. Los Angeles Eddleston Park, Northridge. 426 Comment
  LA26065  Nicotiana glauca Judith Webb; 1955-4-2 sn Los Angeles SANTA MONICA MOUNTAINS, canyon below Mt. St. Mary's College. Comment
  LA51853  Nicotiana glauca Virginia Mars; 1951-3-10 sn Los Angeles SANTA MONICA MOUNTAINS, Sepulveda Canyon Comment
  RSA703492  Nicotiana quadrivalvis Scott D. White, Michael Honer 2004-6-24 10487 -B Los Angeles Pomona Valley / San Gabriel Mtn Foothills: City of Claremont; San Antonio Canyon alluvial fan, north of Baseline Ave. and west of concrete-lined flood control channel. 488 Comment
  SBBG70586  Nicotiana quadrivalvis R. Hoffmann 1928-7-9 Los Angeles Bouquet Cyn Comment
  RSA0055090  Oenothera bistorta var. veitchiana Jim Shevock 1971-2-13 661 Los Angeles Mulholland Dr., Los Angeles 609 Comment
  CAS-BOT-BC167065  Oenothera californica Robert F. Thorne; C. W. Tilforth 1973-4-20 43089 Los Angeles San Gabriel Mts., Mojave Desert slope: c. 2 mi NW of Mormon Rocks and 5 mi SE of jct of roads to Palmdale and Wrightwood Comment
  HSC16520  Oenothera californica C. S. Apperson 1967-6-3 Los Angeles 12 mi. W on Ave. D off of the Sierra Hwy. 762 Comment
  UC873905  Oenothera californica subsp. californica C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-5-13 4745 Los Angeles Bouquet Canyon 800 Comment
  SEINET3150352  Oenothera hookeri G. B. Grant 1904-6-17 874 /6299 Los Angeles Arroyo Seco Canyon. Pasadena. Comment
  POM159520  Oenothera macrocarpa Unspecified s.n. Los Angeles [No location information on label.] Comment
  SEINET6691727  Olea europaea Orson Howard 1903-1 s.n. Los Angeles The Palms, Los Angeles. Comment
  SEINET10732294  Opuntia X occidentalis George Engelmann 1880-11-1 Engelmann s.n. Los Angeles Comment
  RSA0115449  Opuntia basilaris R. G. Swinney 2010-10-5 13977 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, west of Oak of the Golden Dreams, at west boundary of park. 451 Comment
  POM321005  Opuntia ficus-indica Lyman Benson, L. Scheinvar 1975-2-16 LS- 1652 Los Angeles La Verne. Comment
  PASA1870  Opuntia lindheimeri Chester T. Allcott Los Angeles Arroyo Seco Comment
  UCD34818  Orcuttia californica Beecher Crampton 1963-5-8 6793 Los Angeles Los Angeles. N of Gardena, Rosecrans Ave, just W of its junction with Western Ave. Comment
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May 15 2009
  CAS-BOT-BC502618  Orobanche bulbosa Steve Boyd; Lauren Raz 1997-3-25 9320 Los Angeles Liebre Mountains Region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  CAS-BOT-BC499909  Orobanche fasciculata W. R. Dudley 1900-7-9 s.n. Los Angeles Foot of San Gabriel Peak Comment
  SD92944  Osmorhiza brachypoda W. Bertsch 1953-4-21 90 Los Angeles Little Dalton Canyon. 365 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
  UCR270255  Osmorhiza brachypoda R. G. Swinney 2011-6-30 15398 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SEINET3132496  Osmorhiza brachypoda G. B. Grant 1371 Los Angeles Sierra Madre, Old Wilson Trail Comment
  LA50663  Oxalis californica A. M. Johnson; 1935-4-26 4586 Los Angeles Santa Monica Mountains, Sepulveda Canyon Comment
  UCR260010  Oxalis pes-caprae R. G. Swinney 2010-3-24 12095 Los Angeles San Gabriel Mountains, Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  OBI53697  Oxalis pes-caprae Vicki Arnold 1994-3-6 5 Los Angeles Sepulveda Bsin, Woodley Ave S of Burbank Blvd Comment
  RSA450807  Oxalis rubra A. C. Sanders 1987-12-4 7443 Los Angeles El Segundo Dunes, immediately W of Los Angeles International Airport and Pershing Dr. 30 Comment
  RSA641431  Oxypolis occidentalis L. C. Wheeler 1967-8-24 10501 Los Angeles Angeles National Forest: SW slope of Mt. Waterman 2164 Comment
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May 31 2021
  JEPS22777  Oxytheca parishii var. parishii Rimo Bacigalupi with Reino Alava 1958-7-20 6434 Los Angeles just s Mt. Lewis (just w of Dawson Saddle, along Angeles Crest Highway (State Highway 2), above headwaters of South Fork of Big Rock Creek, San Gabriel Mts.); San Gabriel Mountains 2429 Comment
  RSA732923  Oxytheca parishii var. parishii R. G. Swinney 1999-8-16 7636 Los Angeles San Gabriel Mtns.:Grandview Canyon, c. 100 m north of Big Pines Highway at All Nations Camp. 1695 Comment
  RSA522436  Oxytheca trilobata Tim S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4015 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District, Angeles National Forest. Comment
  JEPS85805  Packera ionophylla Roy E. Buck 1989-6-23 1351 Los Angeles 0.1 air km nnw Icy Springs (lowermost ne-facing slope of canyon of upper Big Rock Creek, just e of ruins of old stone house); San Gabriel Mountains, Big Rock Creek 1737 Comment
  RSA199680  Paeonia californica I. W. Clokey, Bonnie C. Templeton 1929-04 4447 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  RSA434246  Paeonia californica Charlotte Brown 1929-1-13 s.n. Los Angeles Sierra Madre. Little Santa Anita Canyon Comment
  UCR205113  Paeonia californica R. G. Swinney 2008-4-16 8675 Los Angeles San Gabriel Mtns., San Dimas, Spring Canyon, north end between east and west forks of canyon 393 Comment
  RSA434248  Paeonia californica Robert M. Perkins 1936-2-29 97 Los Angeles Benedict Canyon. Comment
  CAS-BOT-BC253672  Panicum capillare F. Grinnell Jr. 1917-9-9 s.n. Los Angeles Los Angeles River bottoms, near Los Angeles Comment
  LA85598  Papaver californicum Elizabeth McClintock; 1945-5-1 sn Los Angeles SANTA MONICA MOUNTAINS, Dry Canyon-Cold Creek Road. Comment
  POM158290  Parapholis incurva M. B. Dunkle 1928-4-29 1908 Los Angeles Santa Catalina Island. Near beach Little Harbor 3 Comment
  UC56652  Parietaria hespera var. hespera Ernest Braunton 1902-5-25 345 Los Angeles Redondo Comment
  HSC101612  Passiflora caerulea Steve Boyd, Rick Riefner 2007-4-27 11742 Los Angeles Coastal Plains & Basins; Los Angeles Basin region; City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue 43 Comment
  UCR117411  Passiflora caerulea Chet McGaugh 1999-12-20 s.n. Los Angeles Puente Hills, La Mirada Creek, just below Hacienda Country Club on east road in golf course, La Habra Heights 171 Comment
  SEINET10682157  Passiflora citrina S. Krosnick 2008-7-27 Krosnick 430 Los Angeles In cultivation at RSABG greenhouses. Material obtained from Tim Skimina. Original locality information equivalent to T.S. GPS #101 in Honduras Comment
  UCR220199  Pectocarya anisocarpa R. G. Swinney 2009-4-2 10246 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills/Western Mojave Desert, Bob's Gap, 3.2 miles south of Hwy 138 on east side of Bob's Gap Road 1235 Comment
  UCR222815  Pectocarya anisocarpa R. G. Swinney 2009-4-29 10581 B 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
  RSA593439  Pectocarya penicillata Steve Boyd 1996-4-24 8643 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA708695  Pectocarya penicillata Valerie Soza, Miriam Sidibeh 2003-3-26 1595 Los Angeles North side of La Tuna Canyon, Haines Canyon Park vicinity, south of Dorothy and Estepa Dr. intersection. 625 Comment
  RSA0061142  Pectocarya setosa LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6846 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR222817  Pectocarya setosa R. G. Swinney 2009-4-29 10582 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
  UCR275007  Pectocarya setosa Michael Honer, Rachel Woodard 2006-4-21 2221 Los Angeles Tehachapi Mountains area:, Slopes above Oso Canyon; c. 2 miles north of Quail Lake; 1.2 miles west of cement plant rd. 1006 Comment
  UCR258522  Pellaea andromedifolia R. G. Swinney 2010-8-9 13479 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  LA94162  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-12 1688 Los Angeles Lobo Canyon, ca. 1 mi. W of Triunfo Cyn. Rd. 304 Comment
  RSA248848  Pellaea andromedifolia R. F. Thorne 1973-4-11 42867 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  RSA526157  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4151 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA535704  Pellaea andromedifolia T. S. Ross 1991-5-23 5502 Los Angeles San Clemente Island. Mouth of Tota Canyon, middle of island, eastern escarpment. 3 Comment
  UC42641  Pellaea andromedifolia O. D. Allen 1884-12-25 4 Los Angeles bank of the Arroyo Seco near Pasadena Comment
  CHSC95769  Pellaea mucronata subsp. californica LeRoy Gross; Michael Denslow 2003-6-4 985 Los Angeles Transverse Ranges; San Gabriel Mountains region: Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. UTM Zone: 3802412N 0421876E. 1936 Comment
  UC284815  Pellaea mucronata var. californica P. A. Munz 1923-5-26 6838 Los Angeles Vincent Gulch; San Gabriel Mts 2133 Comment
  LA94178  Pellaea mucronata var. mucronata Lawrence L. Kiefer; 1966-5-14 2027 Los Angeles SANTA MONICA MOUNTAINS, ca 2 mi W of Laurel Canyon Blvd in canyon N of Mulholland Dr. 243 Comment
  RSA610786  Pellaea mucronata var. mucronata L. C. Wheeler 1933-2-23 1483 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  UCR108356  Pennisetum clandestinum L. C. Wheeler 1974-12-29 s.n. Los Angeles San Gabriel Mtns., Bottom of Millard Canyon, on both sides of Angeles National Forest boundary. E side of canyon Comment
  RSA412437  Penstemon centranthifolius Mildred R. Solomen 1931-7-16 s.n. Los Angeles Griffith Park. Comment
  CDA41885  Penstemon centranthifolius T. C. Fuller 1980-6-12 20276 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 3.5 km east of road to Mt. Wilson. Comment
  UCD124076  Penstemon centranthifolius Elise Jackson 1993-5-2 28 Los Angeles Newhall, Placerita Canyon Road, 1/2 mile southeast of Sierra Hwy, south side of road, approximately 50 yards from road. 487 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
  UC1584223  Penstemon grinnellii Tim Ross and Steve Boyd 1990-5-17 2595 Los Angeles Mill Creek Tree Plantation, Tujunga District San Gabriel Mts., Angeles National Forest 1612 Comment
  CDA41872  Penstemon grinnellii subsp. grinnellii T. C. Fuller 1980-6-12 20277 Los Angeles San Gabriel Mountains; Angeles Crest Highway, Hwy 2, 8.5 km east of road to Mt. Wilson. Comment
  SD254672  Penstemon grinnellii var. grinnellii R. G. Swinney 2011-7-29 15580 Los Angeles San Gabriel Mountains; Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins (Crystal Lake 7.5'Q) 2454 Comment
  LA51913  Penstemon heterophyllus var. australis J. A. Ewan; 1931-5-16 4204 Los Angeles Comment
  NY601657  Penstemon heterophyllus var. australis P. A. Munz 1923-6-9 6923 Los Angeles Bouquet Canyon, Liebre Mountains 670.6 Comment
  RSA408092  Penstemon heterophyllus var. australis V. V. Giles 1936-7-5 56 Los Angeles Holbrook Camp, San Gabriel Mountains. Comment
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Jun 7 2016
  SDSU21064  Penstemon heterophyllus var. australis Ian Cain, Natasha Bartely 2010-6-21 1530 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  SD82816  Penstemon labrosus Victor Duran 1933-7-10 3519 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  POM184765  Penstemon spectabilis subsp. subviscosus Philip A. Munz 1932-5-17 12640 Los Angeles 1 mile north of Claremont. 396 Comment
  RSA0097052  Pentacaena ramosissima E. S. Spalding 1924-5-3 s.n. Los Angeles Manhattan Beach. Comment
  SBBG131717  Pentagramma triangularis S. A. Junak 1999-5-22 SCa 1006 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  LA200088  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-5-14 2022 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr., canyon N of road between Benedict Cyn Dr and Coldwater Canyon Dr. 304 Comment
  LA94212  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-4-9 1822 Los Angeles SANTA MONICA MOUNTAINS, Santa Ynez Canyon, ca 1.5 mi above Sunset Blvd. 228 Comment
  SEINET3873559  Pentagramma triangularis subsp. viscosa F. R. Fosberg 1931-3-20 R 77 Los Angeles Hamiton Canyon. Santa Catalina Island.; 0 25 Comment
  RSA0060252  Pentagramma viscosa Geo L. Moxley 1919-5-6 688 Los Angeles Catalina Island. Comment
  UC106553  Perideridia pringlei Dr. A. Davidson Los Angeles Acton Comment
  SBBG125066  Phacelia A. Parikh, N. Gale 2010-6-10 3280 Los Angeles E Liebre Mtns, Sierra Pelona, NW of Vincent and Soledad Pass, 2.3 km NW of State Hwy 14 1076 Comment
  UC881204  Phacelia Ira W. Clokey, B. Templeton May 1929 4531 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  RSA426153  Phacelia bicolor Ora M. Clark 1929-3-30 1926 Los Angeles E of Lancaster Comment
  UCR271248  Phacelia brachyloba R. G. Swinney 2011-6-1 14970 Los Angeles San Gabriel Mountains, north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes 1256 Comment
  POM293600  Phacelia cicutaria var. hispida Lyman Benson 1945-6-5 11770 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  RSA713792  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. 457 Comment
  RSA427649B  Phacelia cicutaria var. hispida Edwin Kline 1925-5-3 s.n. Los Angeles Muhlholland Estate. Comment
  RSA428274  Phacelia cicutaria var. hispida L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest. Comment
  RSA592352  Phacelia cryptantha Louis C. Wheeler 1967-5-12 9426 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA725085  Phacelia cryptantha Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -5 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
  RSA727732  Phacelia cryptantha R. G. Swinney 1998-5-16 6094 Los Angeles San Gabriel Mountains/Mojave Desert: near Pinon Hills, Mescal Highlands, 0.9 mile west of 237th St. East at Panorama Way, 2.3 mi. S of Ft. Tejon Rd. 1402 Comment
  RSA590662  Phacelia curvipes Tim S. Ross 1990-5-31 2744 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA733034  Phacelia davidsonii R. G. Swinney 1998-7-8 6342 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  UCR276882  Phacelia davidsonii R. G. Swinney 2011-6-7 15087 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
  RSA0116346  Phacelia distans R. G. Swinney 2010-5-21 12889 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. 1299 Comment
  RSA772373  Phacelia distans R. G. Swinney 2009-5-12 10735 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  SD241055  Phacelia distans R. G. Swinney 2009-4-7 10290 Los Angeles Transverse Ranges; San Gabriel Mountains Foothills and S.G. Valley: Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd, on west side of San Gaabraiel River channel (Azusa 7.5;Q) 168 Comment
  SEINET3860278  Phacelia distans R. G. Swinney 2009-4-28 10513 Los Angeles Transverse Range; San Gabriel Mountains: Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd.; 0 1226 Comment
  UC73681  Phacelia distans Geo. B. Grant 1901-1 958 Los Angeles Garvanza Comment
  UCR261138  Phacelia distans R. G. Swinney 2010-2-27 11723 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA617207  Phacelia douglasii Louis C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs County Park. Comment
  RSA74928  Phacelia egena F. W. Peirson 1942-5-15 13463 Los Angeles Rock Creek. 1296 Comment
  RSA595626  Phacelia fremontii Louis C. Wheeler 1967-5-9 9379 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  RSA749031  Phacelia fremontii R. G. Swinney 2008-5-5 8751 Los Angeles Big Rock Creek at Paradise Springs 1427 Comment
  UCR270531  Phacelia fremontii R. G. Swinney 2011-5-12 14664 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
  UC1046925  Phacelia imbricata L. R. Heckard 1953-6-15 502 Los Angeles ca 9 mi up Tujunga Canyon rd from highway 118 (along rd to Mt. Gleason) 975 Comment
  UC1046927  Phacelia imbricata L. R. Heckard 1953-6-14 499 Los Angeles 2.5 mi down road to Little Rock from junction of Pacifico Mt. road; San Gabriel Mountains, Angeles National Forest 1584 Comment
  UCSB6930  Phacelia longipes Bacigalupi, Rimo; Heckard, L.; Robbins, G. 1953-6-14 Los Angeles Upper slopes of the south fork of Little Rock Creek Canyon; higher north slopes of the San Gabriel Mts. 1432 Comment
  CATA1543  Phacelia lyonii Mark L. Hoefs, Steven A. Junak 1997-6-4 2771 Los Angeles Santa Catalina Island: End of road, past Empire Landing quarry 30 Comment
  UC1375364  Phacelia lyonii C. Davidson 1971-5-8 1532 Los Angeles White's Landing Catalina Island Comment
  RSA428061  Phacelia minor C. Epling 1930-4-10 s.n. Los Angeles Mandeville Canyon Comment
  UCR281382  Phacelia minor R. G. Swinney 2014-5-19 16573 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  UCR98767  Phacelia minor Jack Easton 1997-2-25 s.n. Los Angeles Glendale: western toe of San Rafael Hills 305 Comment
  RSA74508  Phacelia mohavensis F. W. Peirson 1921-6-15 962 Los Angeles Trail from Pine Flats to Chilao. 1677 Comment
  RSA755901  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles Waterman Mountain 2412 Comment
  UC1595383  Phacelia mohavensis Tim Ross and Steve Boyd 1990-6-18 3464 Los Angeles northerly draw draining to Jackson Lake; San Gabriel Mtns., Mescal Creek USGS 7.5' quad., Camp Verdug 1877 Comment
  UCR209904  Phacelia mohavensis R. G. Swinney 2008-7-24 9288 Los Angeles San Gabriel Mtns., Waterman Mountain 2451 Comment
  CAS-BOT-BC6857  Phacelia oreopola Lawrence Ray Heckard 1953-6-15 505 Los Angeles San Gabriel Mountains, W. side of Mt. Gleason 1828 Comment
  CAS-BOT-BC154387  Phacelia ramosissima var. austrolitoralis Joseph Andorfer Ewan 1932-6-24 7550 Los Angeles permanent dunes. El Segundo Comment
  RSA428164  Phacelia ramosissima var. austrolitoralis Tom Burch 1940-04 s.n. Los Angeles Redondo Beach. Comment
  UC1069391  Phacelia ramosissima var. austrolitoralis A. D. Gifford 1934-5-15 230 Los Angeles Dune Point Triunfo Pass Quadrangle (Plot #100) Comment
  SD60330  Phacelia viscida Peter Raven 1962-3-27 16995 Los Angeles Palos Verdes Hills, 1.4 Mi E of Portugese Bend along Palos Verdes Drive Comment
  UCR127033  Phacelia viscida Mark A. Elvin 2003-4-9 2472 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  RSA762382  Phalaris minor R. G. Swinney 2009-3-12 10097 Los Angeles Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  SEINET10973258  Phaseolus vulgaris Kappes 2001-3-2 Kappes 98 Los Angeles Farm Fresh, 6333 W. 3rd Street, Los Angeles, CA, 90036. Phone: (323) 931-3773. Comment
  UCR197734  Phlox gracilis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 52 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
  SBBG64783  Pholistoma auritum M. N. Ackley 1929-5-26 Los Angeles San Dimas Cyn 487 Comment
  UCR88706  Pholistoma auritum Scott D. White, Chet McGaugh 1995-5-9 3009 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  RSA248846  Pholistoma auritum Robert F. Thorne 1973-4-11 42869 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA459284  Pholistoma membranaceum L. E. Hoffman 1932-3-27 s.n. Los Angeles Big Rock Creek. Comment
  SFV12409  Pholistoma membranaceum D. L. Koutnik, V. Dawes 1978-4-6 289 Los Angeles Mojave Desert CA Highway 18, just east of Valyermo turnoff. 945 Comment
  SBBG32138  Pholistoma racemosum R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -306 Los Angeles Descanso Cyn 213 Comment
  SBBG78975  Pholistoma racemosum F. R. Fosberg 1931-3-23 4333 Los Angeles Hamilton Cyn 75 Comment
  HSC15908  Phoradendron bolleanum C. E. Fellows 1965-10-28 183 Los Angeles 1 mi. SE of Longview Rd. (L.A. Co. N6) on Devils Punchbowl Park Rd., N foothills of San Gabriel Mtns. Comment
  UCR277057  Phoradendron macrophyllum subsp. macrophyllum R. G. Swinney 2011-9-22 15674 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), central camp area, north of lodge 976 Comment
  RSA721483  Phoradendron serotinum subsp. tomentosum R. G. Swinney 1995-4-4 3475 Los Angeles Glendora, Glendora Wilderness Park, upper E-facing slope of Mystic Canyon along upper Mystic Canyon trail, c. 0.4 mi. N of Big Dalton Cyn Rd. 488 Comment
  RSA684039  Phyllospadix torreyi E. Yale Dawson 1958-5-21 19190 Los Angeles Malibu beach, 0.8 mi W of Las Flores Canyon Rd. Station 18; 225-250 from shore base point; mean low water level and below. Comment
  RSA155737B  Pickeringia montana Peter H. Raven 1962-5-1 17508 Los Angeles Saddle Peak Road 0.9 miles above Stuntz Canyon Road 671 Comment
  RSA412026  Pickeringia montana Thrask 1911-01 s.n. Los Angeles Near Los Angeles Comment
  RSA412028  Pickeringia montana L. E. Hoffman s.n. Los Angeles Millard's Canyon, Angeles Forest Comment
  RSA0115399  Pinus contorta subsp. murrayana R. G. Swinney 2010-9-23 13888 Los Angeles San Gabriel Mountains; summit of Middle Hawkins Peak on Hawkins Ridge. 2576 Comment
  RSA585781  Pinus jeffreyi Orlando Mistretta 1995-7-11 1874 Los Angeles San Gabriel Mountains. Santiago Canyon. North slope of Pacifico Mountain, near summit. 2073 Comment
  UCR223401  Pinus jeffreyi R. G. Swinney 2009-7-29 11429 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCR222776  Pinus monophylla R. G. Swinney 2009-5-6 10690 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon at confluence with Little Rock Creek 909 Comment
  RSA651147  Pinus ponderosa Kurt Zeiher 1949-5-7 sn Los Angeles Dalton Canyon. 152 Comment
  RSA384310  Pinus sabiniana Ora M. Clark 1928-10-7 s.n. Los Angeles Mountain canyons, s. w. Lancaster (sic.) Comment
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Mar 28 2014
  CAS-BOT-BC71782  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  UCR176954  Plagiobothrys arizonicus L. C. Wheeler 1967-5-8 9340 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 396 Comment
  RSA590523  Plagiobothrys arizonicus Orlando Mistretta 1994-3-30 971 Los Angeles Little Rock Creek; slopes E of creek below Little Rock Dam 991 Comment
  RSA614333  Plagiobothrys arizonicus L. C. Wheeler 1973-4-29 s.n. Los Angeles San Gabriel Mountains: Kentucky Springs Canyon Substation. Soledad Canyon just west of Angeles Forest Highway. 975 Comment
  POM13957  Plagiobothrys canescens P. A. Munz 1922-4-15 5143 Los Angeles Claremont. 365 Comment
  UCR228579  Plagiobothrys leptocladus Dave Silverman, Jeff Jarvis, Colleen Martin 2010-5-18 7997 Los Angeles Mojave Desert, Antelope Valley, N of Lancaster, 100 m W of Sierra Highway, 570 m S of Avenue A, one km N of Avenue B 704 Comment
  UC1069085  Plagiobothrys nothofulvus Jerome S. Horton 1939-4-17 530 Los Angeles meadow e San Dimas (on Camp 10 road); Pomona Quad. 518 Comment
  UCR182667  Plagiobothrys nothofulvus R. G. Swinney 1998-4-13 5948 Los Angeles San Gabriel Mtns, Marshall and Live Oak Canyon drainages, LaVerne 695 Comment
  SEINET6047205  Plagiobothrys nothofulvus Louis Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  LA200740  Plantago erecta Carl Epling; 1926-4-10 sn Los Angeles SIMI HILLS - SANTA SUSANA MOUNTAINS, Santa Susana Pass 457 Comment
  RSA273288  Plantago erecta Glenn A. Gorelick 1978-5-6 s.n. Los Angeles Santa Catalina Island. West end of island above Cherry Cove. Comment
  UCR142491  Plantago erecta F. R. Fosberg 1931-4-16 S- 4659 Los Angeles Channel Islands, Bullrush Ridge, Santa Catalina Island 200 Comment
  RSA166572  Plantago erecta W. G. Webb 1935-2-25 s.n. Los Angeles Eagle Rock Canyon Comment
  RSA251516  Plantago erecta Robert F. Thorne 1973-4-11 42791 Los Angeles San Clemente Island, plateau in Middle Ranch area at head of Middle Ranch Canyon 427 Comment
  RSA602076  Plantago erecta Louis C. Wheeler 1946-8-8 6224 Los Angeles San Gabriel Mountains: Lower Rincon. San Gabriel Canyon. Comment
  RSA632003  Plantago erecta Louis C. Wheeler 1969-5-3 s.n. Los Angeles San Gabriel Mtns. Bluebird truck trail. 716 Comment
  RSA737554  Plantago erecta Sandra Leatherman 1999-3-23 69 Los Angeles Transverse Ranges, Liebre Mtns region, City of Santa Clarita, 1 mile SE of the intersection of Bouquet Canyon road and Vasquez road. 462 Comment
  SEINET4086514  Plantago erecta L. A. Greata 1901-1 12 Los Angeles Garvanya. Comment
  UCR194856  Plantago indica Kai T. Palenscar 2008-7-25 s.n. Los Angeles Southern Coast; San Gabriel Valley, city of Whittier, Whittier Narrows, south of Hwy 60 and west of Hwy 605, on the west side of Rosemead just after crossing the San Gabriel River 59 Comment
  RSA595628  Plantago lanceolata Mark Hoefs, Robert F. Thorne 1996-4-6 2662 Los Angeles Upper Avalon Canyon, Hermits Gulch Trail, where trail crosses stream. 165 Comment
  RSA0089519  Platanthera dilatata var. leucostachys R. G. Swinney 2011-8-17 15619 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  LA33805  Platanus racemosa Peter H. Raven; 1959-3-15 13846 Los Angeles Santa Monica Mountains, Zuma Canyon, just E of Zuma Beach 21 Comment
  RSA0022374  Platanus racemosa Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5134 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  UCR192586  Platystemon californicus A. C. Sanders 2008-4-10 34798 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 1 mile south of Neenach School, slopes N & E of VABM 'Pine 1006 Comment
  UCR264688  Platystemon californicus Mitch Provance, Callen Huff 2009-4-28 10743 Los Angeles Tehachapi Mountians, Tejon Ranch, 1.2 mi. N of Gorman, Bear Canyon, along Crane Canyon Rd., about 1 mi. S of Castac Lake 1220 Comment
  UCR98792  Plectritis ciliosa subsp. insignis Steve Boyd, Lauren Raz 1997-5-1 9658 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, c. 1.5 mi west of Mt. McDill & 1.3 mi. SSE of Lincoln Crest, the head of Bouquet Canyon 1512 Comment
  UCR271839  Poa R. G. Swinney 2011-6-23 15282 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  RSA623773  Poa annua K. Scott 1921-2-8 s.n. Los Angeles Campus, Occidental College, Highland Park Comment
  CAS-BOT-BC244435  Poa annua Geo. B. Grant 1903-4-1 s.n. Los Angeles Santa Monica Mountains. University of California, W Los Angeles 129 Comment
  RSA0088573  Poa secunda R. G. Swinney 2010-5-11 12693 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
  UCR180357  Poa secunda Scott D. White, Pam Devries 2006-5-9 11395 Los Angeles SE Tehachapi Mtns, Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy and SW of Gorman Post Road 1098 Comment
  JEPS86572 Image available Poa secunda subsp. secunda Roy E. Buck 1988-4-10 891 Los Angeles n Castaic (e side of Three Points Rd, 0.3 rd mi n of Three Ponts, ca 0.6 air km ne of confluence of Oakdale and Pratt Canyons drainage) 1036 Comment
  UCR199991  Polygonum arenastrum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1350 Los Angeles Transverse Ranges; Verdugo Mountains, near intersection of La Tuna Canyon and Las Barras Canyon at lower end of Hostetter Motorway 473 Comment
  CAS-BOT-BC71889  Polypodium californicum John Thomas Howell 1928-2-9 3331 Los Angeles Santa Anita Canyon, San Gabriel Mts. Comment
  RSA656134  Polypodium californicum Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 666 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
  RSA689869  Polypodium californicum Albert J. Perkins 1895-4-18 s.n. Los Angeles Mt. Lowe Comment
  UC535316  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  IRVC3048  Polypodium californicum John Schram 1965-4-23 HS 575 Los Angeles Monrovia; Monrovia Canyon. Southern Coastal Comment
  UCSB62491  Polypodium californicum Kiefer, Lawrence 1966-4-16 Los Angeles Santa Moncia Mtns., Russell Valley, ca. 2mi W of Kanan Rd., canyon S of Hwy 101 304 Comment
  UCR138508  Polypogon australis L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, East Fork San Gabriel River at Fish Fork 1098 Comment
  RSA596130  Polypogon interruptus Timothy S. Ross, Steve Boyd 1995-6-28 8634 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  CAS-BOT-BC232414  Polypogon monspeliensis L. Street; G. Williams 1919-5-10 2704 Los Angeles San Gabriel River, near Bassett 89 Comment
  CATA352  Polypogon monspeliensis Mark L. Hoefs 1973-7-20 397 Los Angeles Santa Catalina Island: In Middle Ranch reservoir 182 Comment
  CDA2352  Polypogon monspeliensis Phillipson 1915-6-2 22 .2.J. Los Angeles El Monte. Comment
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Oct 3 2010
  UCR259589  Polypogon viridis R. G. Swinney 2010-9-7 13726 Los Angeles San Gabriel Mountains, NE part of Crystal Lake Campground, SW of Alexander Spring and ESE of 3 water tanks 1768 Comment
  RSA783653  Polystichum J. D. Olmsted 1959-11-8 1084 Los Angeles E. fk. San Gabriel River. Fish Fork between 6th and 7th falls. 1280 Comment
  UC1595391  Polystichum imbricans subsp. curtum Tim Ross 1990-6-20 3683 Los Angeles ridgetop between W Fork San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mts 1328 Comment
  RSA0091800  Populus fremontii subsp. fremontii Bonnie C. Templeton 1957-4-27 s.n. Los Angeles Camp#4, Bouquet Canyon. Comment
  UCR261543  Populus fremontii subsp. fremontii R. G. Swinney 2010-2-27 11707 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  RSA750898  Populus nigra A. C. Sanders 2008-7-10 35745 Los Angeles Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  LA33923  Populus trichocarpa Peter H. Raven; Henry J. Thompson 1959-9-6 14394 Los Angeles SANTA MONICA MOUNTAINS, Malibu Creek, near mouth. 12 Comment
  UCSB24350  Potamogeton amplifolius Peirson, Frank 1921-6-19 Los Angeles Crystal Lake, San Gabriel Mountains 1676 Comment
  UC1260171  Potamogeton pectinatus Robert F. Thorne and D. Propst 1974-9-10 45116 Los Angeles Big Spring Reservoir; Santa Catalina Island 762 Comment
  CAS-BOT-BC539749  Potentilla gracilis var. fastigiata R. F. Thorne; M. Z. Thorne 1969-7-10 38406 Los Angeles Just E of Big Pines Ranger Station, Angeles National Forest, 2072 Comment
  CAS-BOT-BC157930  Prunus emarginata Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  RSA23553  Prunus ilicifolia Carl B. Wolf 1939-12-28 9547 Los Angeles Mint Canyon, 1 mi. above junction with Soledad Canyon. 457 Comment
  RSA670311  Prunus ilicifolia Joseph M. Keefe 2001-3-16 31119 Los Angeles 50 meters west of dead end of Cresthaven Drive, 1 mile southeast of The Eagle Rock, Pasadena, CA 91105. 284 Comment
  UCR108332  Prunus persica L. C. Wheeler 1968-8-22 s.n. Los Angeles San Gabriel Mtns., below Silver Fish Truck Trail [2N28], first canyon south of Water Canyon 610 Comment
  UCR223623  Prunus persica R. G. Swinney 2009-6-27 11288 Los Angeles Transverse Range; San Gabriel Mtns./San Gabriel Valley, San Gabriel River Wash, Azusa/Duarte border, 0.5 mi. north of Puente Largo railway bridge 194 Comment
  RSA725834  Prunus virginiana var. demissa R. G. Swinney 1997-6-25 5653 Los Angeles San Gabriel Mtns.: west of Wrightwood, Blue Ridge Trail area, 0.2 mi. SE of Hwy 2 at Blue Ridge Trail 2134 Comment
  UC586921  Prunus virginiana var. demissa Joseph Andorfer Ewan 1934-8-5 8461 Los Angeles Prairie Fork of San Gabriel River, (over two acre area) Prairie Fork of San Gabriel River; San Gabriel Mountains, Prairie Fork of San Gabriel River 1524 Comment
  CATA1040  Pseudognaphalium biolettii Mark L. Hoefs 1995-5-10 1965 Los Angeles Santa Catalina Island: Avalon Canyon, southeast side near horse trail 70 Comment
  RSA594999  Pseudognaphalium biolettii Mark Hoefs, R. F. Thorne 1996-4-6 2608 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  SBBG131716  Pseudognaphalium biolettii S. A. Junak 1999-5-22 SCa 1003 Los Angeles end of Goat Harbor, W fork of cyn 54 Comment
  SFV5527  Pseudognaphalium biolettii W. A. Kelley Mar 1969 s. n. Los Angeles Santa Monica Mountains Mulholland near the San Diego Freeway. Comment
  SBBG32061  Pseudognaphalium stramineum R. N. Philbrick, R. F. Thorne 1967-5-20 B 67 -311 Los Angeles Descanso Cyn 91 Comment
  SBBG95399  Pseudognaphalium stramineum M. B. Dunkle 1928-5-12 1930 Los Angeles Empire Landing Comment
  RSA579221  Pseudognaphalium stramineum Timothy S. Ross, Steve Boyd 1994-7-7 8160 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
  SBBG8686  Psilocarphus tenellus H. and M. Dearing 1938-5-22 1952 Los Angeles near Sherwood Park Comment
  SD90550  Psilocarphus tenellus var. tenellus Robert F. Thorne 1973-4-12 42974 Los Angeles San Clemente Island; large canyon south of Mosquito Cove, north of Chenity. 274 Comment
  RSA0011710  Pteris cretica L. C. Wheeler 1947-7-11 6544 Los Angeles San Gabriel Mountains: Millard Canyon. 412 Comment
  CATA3330  Pterostegia drymarioides Amy Catalano 2017-4-13 047 Los Angeles Santa Catalina Island: Edge of small rivulet about 170 meters SW of junction of Silver Peak and Water Tank roads 291 Comment
  UCR281289  Pterostegia drymarioides R. G. Swinney 2014-5-8 16469 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA0042675  Pterostegia drymarioides Laura Moore, Jean Moore 1999-4-25 028 Los Angeles Pitzer College, Claremont: Northwest section of Outback, approximately 5 yards from western boundary with Harvey Mudd Soccer Field. 350 Comment
  RSA460728  Punica granatum Claire Kibbe 1936-07 19980 Los Angeles Hollywood Cemetary. Comment
  UCR116939  Punica granatum A. C. Sanders, D. Malueg 2001-5-17 24346 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  UC993208  Quercus J. M. Tucker 1948-9-26 1880 Los Angeles 9.6 mi e Gorman (beside Highway 138) Comment
  UCSB61876  Quercus X grandidentata Ewan, Joseph 1934-12-27 Los Angeles Sawpit Cyn. Monrovia Comment
  RSA6207  Quercus X macdonaldii Carl B. Wolf 1932-10-5 4230 Los Angeles Santa Catalina Island, Black Jack Peak, south side (below buildings used to house workers). 305 Comment
  SFV6232  Quercus agrifolia R. M. Muran 1974-2-2 6 Los Angeles Santa Monica Mountains About 2 miles south of Mulholland Drive in Mandeville Canyon. 427 Comment
  UCD45097  Quercus agrifolia var. agrifolia Donald R. Bissing 1973-6-2 135 Los Angeles Evey Canyon, San Gabriel Mountains. Alt. 2320 ft. 707 Comment
  UCR270082  Quercus agrifolia var. agrifolia R. G. Swinney 2011-3-17 14111 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  LA30432  Quercus berberidifolia A. M. Johnson; 1932-5-14 4061 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  POM271866  Quercus berberidifolia Lyman Benson 1947-1-16 12281 Los Angeles Lightpost 51, El Pariso Dr. Ganesha Hills, Pomona 305 Comment
  RSA476606  Quercus berberidifolia H. L. Bauer 1931-8-24 s.n. Los Angeles Santa Monica Mts. Comment
  RSA708610  Quercus berberidifolia Valerie L. Soza, Leland Lubinsky 2001-5-16 1224 Los Angeles Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  UCR177730  Quercus berberidifolia LeRoy Gross 2000-10-28 302 Los Angeles Los Angeles Basin region; Verdugo Mtns., Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain St. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road) 366 Comment
  LA91415  Quercus berberidifolia Bruce Douglas Clayton; Greg Shaw 1972-3-20 15 Los Angeles 621 Comment
  LA30778  Quercus chrysolepis Jo Ann W. Flock; 1958-12-7 10 Los Angeles Liebre Mt, Angeles National Forest, along trail from Horse Trail Public Camp 1402 Comment
  RSA584775  Quercus chrysolepis Tim S. Ross 1990-8-17 3157 Los Angeles Icy springs in upper Big Rock Creek 1752 Comment
  UCR272528  Quercus chrysolepis R. G. Swinney 2011-9-22 15684 Los Angeles San Gabriel Mountains, SE side of Camp Colby (Colby Ranch), Colby Grave marker, confluence of 'Inspiration Cyn.' & Coldwater Cyn., near spring & watertank 1140 Comment
  CAS-BOT-BC86903  Quercus douglasii E. R. Blakley 1962-10-6 5472 Los Angeles Santa Catalina Island. Head of Bullrush Canyon 358 Comment
  RSA605068  Quercus douglasii E. R. Blakley 1962-10-9 5468 Los Angeles Santa Catalina Island. Pebble [Pebbly] Beach Canyon 91 Comment
  CAS-BOT-BC86211  Quercus dumosa Alice Eastwood 1917-7-20 6523 Los Angeles Santa Catalina Island Comment
  POM186286  Quercus durata var. gabrielensis Joseph A. Ewan 1933-7-4 7852 Los Angeles Sturdevant Trail, Santa Anita Canyon, San Gabriel Mountains 1067 Comment
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Feb 3 2011
  POM271868  Quercus durata var. gabrielensis Lyman Benson 1947-1-16 12280 Los Angeles Lightpost 51, El Pariso Dr. Ganesha Hills, Pomona 305 Comment
  RSA638861  Quercus durata var. gabrielensis Valerie L. Soza, Laura Moore 1999-6-30 598 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  UCR139120  Quercus durata var. gabrielensis L. C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mtns, Cattle Canyon, 1 mi east of mouth of Coldwater Canyon 945 Comment
  UCR271200  Quercus durata var. gabrielensis R. G. Swinney 2011-11-1 15942 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  UC205512  Quercus kelloggii I. M. Johnston 1917-8-24 1714 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains 1981 Comment
  CAS-BOT-BC258360  Quercus tomentella P. S. Manos; T. Martin 1987-10-8 230 Los Angeles Santa Catalina Island, Gallagher's Canyon 300 Comment
  RSA232629  Quercus tomentella Larry E. DeBuhr, Wallace 1972-9-2 700 Los Angeles San Clemente Island; In the second large canyon south of Lemon Tank 366 Comment
  RSA477294  Quercus tomentella F. R. Fosberg 1931-7-16 S 5607 Los Angeles Gallagher's Canyon. Santa Catalina Island. 100 Comment
  SD90619  Quercus tomentella Robert F. Thorne 1966-4-16 36074 Los Angeles San Clemente Island, NE side of island, south of Nanny, in bottom of canyon below Lemon Tank, near dump, small grove 182 Comment
  RSA138040  Quercus turbinella E. K. Balls 1960-4-15 24088 Los Angeles Johnson Grade, San Bernardino Mts. 1799 Comment
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May 15 2008
  SEINET6066719  Quercus wislizeni Unknown 1996-10-29 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
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Oct 27 2015
  RSA244380  Quercus wislizeni var. frutescens Robin S. Collins 1973-5-28 311 Los Angeles Angeles National Forest, San Gabriel Mountains: Trail Canyon. 1098 Comment
  UCR270945  Quercus wislizeni var. frutescens R. G. Swinney 2011-6-14 15135 Los Angeles San Gabriel Mountains, Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1802 Comment
  SD53048  Rafinesquia californica Peter H. Raven 1962-5-22 17821 Los Angeles Santa Catalina Island, open grassland above Emerald Bay 120 Comment
  RSA482513  Rafinesquia californica Richard Noyes, Laurel Arnseth 1988-4-30 497 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA399390  Ranunculus californicus N. C. Cooper 1945-5-1 2233 Los Angeles Tapia Park, Santa Monica Mountains 762 Comment
  RSA187961  Ranunculus hebecarpus Robert F. Thorne 1966-4-30 36350 Los Angeles Santa Catalina Island: E fork of Gallagher's Canyon. 30 Comment
  SBBG28533  Ranunculus hebecarpus L. C. Wheeler 1934-3-24 2467 Los Angeles Live Oak Cyn 472 Comment
  UC625091  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S 4348 Los Angeles Hamilton Canyon Santa Catalina Island (s wall) 40 Comment
  UCR95282  Ranunculus hebecarpus T. S. Ross, V. W. Steinmann 1995-5-8 8539 Los Angeles Liebre Mtns., Bouquet Canyon, along Bouquet Canyon Road near Bouquet Campground No. 3. 744 Comment
  SBBG20549  Raphanus sativus E. R. Blakley 1963-12-7 6375 Los Angeles 200 yds SE of new air strip 60 Comment
  RSA512050  Raphanus sativus L. C. Wheeler 1967-5-13 9507 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  UCR241295  Rapistrum rugosum Chet McGaugh 2011-8-30 s.n. Los Angeles South Coast, Hesse Park, City of Rancho Palos Verdes, 29301 Hawthorne Blvd. at Locklenna Lane 274 Comment
  RSA779989  Rhamnus californica R. G. Swinney 2009-6-24 11232 Los Angeles summit of Granite Mountain 1988 Comment
  CAS-BOT-BC59947  Rhamnus crocea Carl Epling 1931-5-2 s.n. Los Angeles Santa Monica Mts. Los Alisos Canyon. Comment
  LA52149  Rhamnus crocea Carl Epling; March 1938 sn Los Angeles 30 Comment
  RSA17157  Rhamnus crocea Percy C. Everett 1935-6-25 s.n. Los Angeles San Fernando Valley, Foothill Blvd. 0.7 mi. West of Van Nuys Blvd. 274 Comment
  CAS-BOT-BC55983  Rhamnus ilicifolia LeRoy Abrams 1903-3-11 3114 Los Angeles Sepulveda Canyon, Santa Monica Mts. Comment
  RSA669157  Rhamnus ilicifolia LeRoy Gross, Naomi Fraga 2002-4-4 523 Los Angeles Southwest side; From saddle along main crest where the dirt roads of Verdugo Mountain Way and 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. This home was burned down a long time ago, and road abandoned. 411 Comment
  UC545802  Rhamnus ilicifolia Annetta M. Carter 1935-9-8 956 Los Angeles Sierra Madre 381 Comment
  UC575016  Rhamnus ilicifolia E. Lloyd 1933-3-25 Los Angeles Temescal Canyon Santa Monica Mts. Comment
  UC592780  Rhamnus ilicifolia unknown 1927-7-24 670 Los Angeles 0.5 mi e Montrose Comment
  UCSB4040  Rhamnus ilicifolia Ralph, F. 1959-7-18 Los Angeles U.S. 99, 6.9 mi. S of its jet. with Calif. 138. 762 Comment
  CAS-BOT-BC59780  Rhamnus pirifolia Geo. B. Grant 1906-9-1 7161 Los Angeles Catalina Is. Comment
  POM246622  Rhamnus pirifolia F. R. Fosberg 1931-4-13 S 4583 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach, right fork 60 Comment
  SBBG38803  Rhamnus pirifolia R. Moran 1941-2-2 608 Los Angeles Johnson's Valley 20 Comment
  RSA95281  Rhamnus tomentella subsp. cuspidata F. W. Peirson 1921-7-17 4308 Los Angeles Prairie Fork of San Gabriel River, San Gabriel Mountains. 2012 Comment
  CAS-BOT-BC168136  Rhus aromatica Le Roy Abrams 1899-3-1 286 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC199071  Rhus aromatica Cecil Hart 1927-4-10 s.n. Los Angeles Ridge route to Lancaster. Comment
  SBBG96794  Rhus aromatica T. Ross, S. Boyd 1990-6-6 2832 Los Angeles Green Valley Pasture (San Francisquito Cyn) 926 Comment
  POM2713  Rhus integrifolia D. L. Crawford, Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mountains Comment
  POM308444  Rhus integrifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-27 3028 Los Angeles Little Tujunga Canyon Comment
  RSA386476  Rhus integrifolia F. R. Fosberg 1931-7-16 S- 5606 Los Angeles Gallagher s Canyon. Santa Catalina Island. 10 Comment
  RSA386478  Rhus integrifolia M. B. Dunkle 1928-3-4 1718 Los Angeles Orizaba Canyon, Santa Catalina Island. Comment
  RSA576134  Rhus integrifolia F. H. Elmore 394 Los Angeles San Clemente Island. Comment
  SBBG37732  Rhus integrifolia R. Moran 1941-2-18 582 Los Angeles Middle Ranch Cyn 350 Comment
  SD39758  Rhus integrifolia Edith A. Purer 1931-9-1 2349 Los Angeles El Segundo Comment
  UC557729  Rhus integrifolia Nell Murbarger April, 1936 204 Los Angeles San Clemente Island Comment
  CLARK-A1528-2405  Rhus laurina Robin L. Kobaly 1972-5-17 720517 Los Angeles San Gabriel Mountains 304 Comment
  LA94280  Rhus ovata A. M. Johnson; 1934-3-24 4386 Los Angeles Santa Monica Mountains, Sepulveda Canyon, N side of mountains, 1 mi. from Beverly (Sunset) Boulevard Comment
  RSA522464  Rhus trilobata T. S. Ross, Orlando Mistretta, Peter Fritsch 1990-7-10 4040 Los Angeles NNE of Tie summit Station and E of Angeles Forest Hwy., Tujunga Ranger District. 1561 Comment
  UC1871162  Rhus trilobata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3973 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  CAS-BOT-BC92443  Ribes aureum var. gracillimum L. Street 1919-3-16 2399 Los Angeles Lone Hill. Comment
  RSA669712  Ribes aureum var. gracillimum LeRoy Gross 2002-2-23 479 Los Angeles Northeast side: Along Beaudry North Mountainway (dirt road) from bottom of Deer Creek this road leads to the main crest of the Verdugo's. Entered at the intersection of Beaudry Blvd. & Beaudry Terrace. 366 Comment
  JEPS22781  Ribes cereum Rimo Bacigalupi with Reino Alava 1958-7-20 6438 Los Angeles 1/2 mi se Dawson Saddle (along Angeles Crest Highway (Calif. No.2), headwaters of Dorr Canyon, n slopes of Throop Peak); San Gabriel Mts., Throop Peak, Dorr Canyon 2377 Comment
  UCSB7027  Ribes divaricatum var. pubiflorum Gill, Robert 1960-3-5 Los Angeles San Gabriel Mountain Range; Little Dalton Canyon 426 Comment
  LA50727  Ribes indecorum Carl Epling; 1936-10-15 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak Comment
  CAS-BOT-BC173415  Ribes malvaceum Louis C. Wheeler 1932-3-19 524 Los Angeles Head of Sepulveda Canyon, Santa Monica Mts. 426 Comment
  CAS-BOT-BC173433  Ribes malvaceum J. C. Roos 1966-2-11 s.n. Los Angeles Claremont 304 Comment
  UCD102352  Ribes malvaceum Scott D. White; Pam DeVries 1997-11 6036 A Los Angeles San Gabriel Mountains, San Gabriel River Canyon: N of Azusa; alluvial bench S of unnamed dirt access road to gauging stn. Below Morris Dam; just SE of private orchard. 259 Comment
  LA200833  Ribes malvaceum var. viridifolium John O'Leary; 1974-2-1 231 Los Angeles Santa Monica Mountains, Stone Canyon, above Stone Canyon Reservoir 259 Comment
  RSA0021941  Ribes montigenum Robert F. Thorne, M. Z. Thorne 1969-7-10 38358 Los Angeles San Gabriel Mts., Angeles National Forest: Near Lodgepole Picnic Ground, c. 1.5 miles SE of Dawson Saddle along Angeles Crest Hwy. 2317 Comment
  UC212383  Ribes nevadense G. B. Grant June 1902 475 Los Angeles summit Mt. Wilson Comment
  UCR124733  Ribes roezlii var. roezlii B. C. Templeton 1932-7-21 5020 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  UCR147273  Ribes roezlii var. roezlii Orlando Mistretta 1992-8-20 768 Los Angeles Transverse Ranges; San Gabriel Mtns, Mt. Gleason Management Unit; Mt Gleason, Tujunga Ranger District 1698 Comment
  UCR25180  Ribes roezlii var. roezlii John C. Roos 1951-8-30 5077 Los Angeles San Gabriel Mtns, Big Rock Creek north of Mt. Baden-Powell 1829 Comment
  UCR256580  Ribes roezlii var. roezlii Anuja Parikh, Nathan Gale 2011-7-7 3549 Los Angeles Transverse Range; San Gabriel Mountains, Barley Flats, 4.2 km west of Shortcut Station, 1.1 km north of State Hwy 2 (Angeles Crest Hwy) 1667 Comment
  RSA476296  Ribes speciosum Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  RSA476298  Ribes speciosum H. L. Bauer 1931-3-1 13967 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  CAS-BOT-BC173937  Ribes viburnifolium Reid Moran 1941-2-25 615 Los Angeles Johnson's Valley, Santa Catalina Island Comment
  SD28061  Ribes viburnifolium Carl B. Wolf 1932-5-10 3538 Los Angeles Santa Catalina Island; along ridge between summit of the equestrian trail and Mt. Shatto. Comment
  RSA536040  Ricinus communis T. S. Ross 1991-5-22 5433 Los Angeles San Clemente Island: Lower Wilson Cove Canyon, just west of the dock activities. 12 Comment
  CSUSB1352  Robinia pseudoacacia Leslie Pratt 1968-5-11 Los Angeles Mount Baldy 914 Comment
  RSA499274  Rosa californica Unspecified 1920-09 s.n. Los Angeles Topanga Canyon. Comment
  POM294402  Rosa woodsii subsp. gratissima Lyman D. Benson 1949-11-7 14279 -A Los Angeles 10 miles northwest of Big Pine. San Gabriel Mountains. Mojave Desert Drainage Area. 1753 Comment
  RSA2839  Rosa woodsii subsp. gratissima Carl B. Wolf 1931-10-23 1352 Los Angeles Swartout Valley, San Gabriel Mountains. Wrightwood Lodge. 1829 Comment
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Jul 4 2013
  RSA650872  Rubus discolor K. M. Kosak 1961-5-8 428 Los Angeles San Dimas Comment
  UCR4188  Rubus pensilvanicus R. H. Sauer 1965-4-13 s.n. Los Angeles San Gabriel Mtns., along road, c. 2.5 miles into Arroyo Seco Canyon, Pasadena 427 Comment
  CATA1133  Rumex conglomeratus Mark L. Hoefs 1995-5-23 2122 Los Angeles Santa Catalina Island: Middle Canyon at Thompson Reservoir 195 Comment
  UCR204830  Rumex conglomeratus R. G. Swinney 2005-8-11 8467 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA466071  Rumex crispus F. R. Fosberg 1931-4-10 S 4551 Los Angeles Avalon Valley, Santa Catalina Island. 60 Comment
  LA105052  Rumex crispus Barry A. Prigge; 1988-7-3 8216 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, S side of Hwy. 313 Comment
  RSA527585  Rumex crispus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4362 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  LA52274  Rumex fueginus Louis Wheeler; 1932-9-19 1394 Los Angeles 121 Comment
  RSA0083014  Rumex hymenosepalus R. G. Swinney 2010-5-12 12768 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  UC1595236  Rumex salicifolius var. salicifolius Tim Ross and Peter Fritsch 1990-6-20 3599 Los Angeles near confluence of E and W Forks of the San Gabriel River (mouth of Burro Canyon); San Gabriel Mountains, Burro Canyon 445 Comment
  UC284187  Rumex salicifolius var. salicifolius P. A. Munz 1923-4-9 6679 Los Angeles about 3 mi se Casa Blanca; San Clemente Island Comment
  POM27155  Rupertia physodes Marcus E. Jones 1882-5-2 2691 Los Angeles Pasadena. Comment
  RSA588144  Salazaria mexicana Orlando Mistretta 1994-5-23 1229 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15. 1341 Comment
  RSA0115850  Salix Steven A. Junak 1999-5-20 SCa- 927 Los Angeles Santa Catalina Island. Cottonwood Canyon, at reservoir. 134 Comment
  RSA799803  Salix exigua Pam De Vries 2013-4-3 7829 Los Angeles Tehachapi Muntains/Western Transverse Range (Gorman Hills). About 0.5 air miles NNW of the Quail Lake Road offramp on the I5 freeway, just east of Zenobia Rd. 1032 Comment
  UCR108358  Salix exigua L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mtns., Millard Canyon just above Canyon Crest Road Comment
  UCR205699  Salix exigua A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37027 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
  UC506516  Salix exigua var. hindsiana C. R. and B. S. Ball 1933-7-6 2526 Los Angeles on Hwy. 199 near Gorman; San Gabriel Mts. Comment
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Jun 18 2014
  UCR126343  Salix gooddingii A. C. Sanders 2003-3-14 25749 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd, north edge of 210 Fwy east of the San Gabriel River channel 171 Comment
  RSA703550  Salix laevigata Gary D. Wallace, Ann Hiller 1983-5-18 2067 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  UC506441  Salix laevigata Carl Hedin and Joseph Ewan 1932-5-10 7659 Los Angeles Fernbrook Place Verdugo Canyon Comment
  UC846601  Salix laevigata I. W. Clokey and B. C. Templeton 1930-4-8 4724 Los Angeles San Francisquito Canyon 800 Comment
  UCR273941  Salix laevigata Mitch Provance 2009-6-24 10971 Los Angeles Tehachapi Mountains Foothills, Tejon Ranch, 3 miles NNE of Quail Lake, 0.3 miles NE of the Oso Pumping Plant, W side of the Tehachapi Afterbay 954 Comment
  LA208834  Salix lasiandra Louis C. Wheeler; 1932-3-10 461 Los Angeles San Gabriel Mountains, Big Dalton Canyon 426 Comment
  LA208806  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-3-11 7671 Los Angeles Ballona Creek at Ballona Marshes [Area 4] Comment
  POM362711  Salix lasiolepis D. A. Young 1969-3-10 P 418 Los Angeles 1/2 mi. from gate 6 of Puddingstone State Park off of san Dimas Ave., in a canyon 300 yds. NW of the road. 305 Comment
  POM362725  Salix lasiolepis G. R. Johnstone 1932-1-24 s.n. Los Angeles Twin Lakes. 305 Comment
  POM362727  Salix lasiolepis Alton Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  RSA729946  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek County Rd. 1402 Comment
  UC506416  Salix lasiolepis Carl Hedin and Joseph Ewan 1932-5-19 7666 Los Angeles Ballona Marshes Comment
  UC846652  Salix lasiolepis I. W. Clokey, E. G. Anderson 1931-3-11 5345 Los Angeles San Gabriel Canyon 1300 Comment
  UCR194066  Salix lasiolepis R. G. Swinney 1999-5-22 7199 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR220176  Salix lasiolepis R. G. Swinney, Jane Strong 2009-4-7 10311 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  CAS-BOT-BC107537  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-2-14 9 Los Angeles at bottom of Lower San Gabriel Canyon about 9.5 km. above Azusa 300 Comment
  UC506427  Salix melanopsis Joseph Andorfer Ewan 1932-6-15 7306 Los Angeles Chilao San Gabriel Mts., Chilao 1615 Comment
  CDA43376  Salsola australis Michael O Brien 2014-11-1 s.n. Los Angeles El Matador State Beach, Malibu. 0 Comment
  OBI6212  Salsola gobicola Shirley Vaughan 1974-5-11 4 Los Angeles 10th St E near Kettering St, Lancaster 718 Comment
  RSA598812  Salsola tragus R. G. Swinney 1989-11-24 1476 Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road 1.4 mi. NE of Glendora Mountain Road. 457 Comment
  UCR164124  Salsola tragus T. B. Salvato, Sandra Murcia 2005-11-1 1243 Los Angeles West Mojave Desert, NE edge of Palmdale c. 2 mi N of Pearland, 10 acre parcel east of 46th St., 0.1 mi past Hwy 138 on Palmdale Blvd, and south of Avenue Q 793 Comment
  UCR246418  Saltugilia splendens Dan S. Cooper 2011-6-6 611- 77 B Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  UCR270035  Saltugilia splendens subsp. grantii R. G. Swinney 2011-7-21 15547 Los Angeles San Gabriel Mountains, Strawberry Peak summit 1879 Comment
  UCR271971  Saltugilia splendens subsp. grantii R. G. Swinney 2011-5-31 14908 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
  RSA230040  Saltugilia splendens subsp. grantii R. F. Thorne 1971-6-26 40597 Los Angeles San Gabriel Mtns., Angeles National Forest: On summit of Mt. Wilson. 1737 Comment
  UC73633  Saltugilia splendens subsp. grantii Geo. B. Grant Jun 1902 503 Los Angeles Old Wilson Trail 1219 Comment
  SBBG12651  Salvia apiana E. R. Blakley 1962-10-3 5379 Los Angeles banks around Wrigley Reservoir at the summit of the island rd 426 Comment
  SFV3203  Salvia apiana M. L. Vincent 1962-5-7 222 Los Angeles San Gabriel Mountains Soledad Canyon at Rivers End on rocky hillside. 545 Comment
  UCR145180  Salvia apiana June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  RSA199157  Salvia apiana Robert F. Thorne, D. Propst 1968-5-29 37687 Los Angeles Santa Catalina Island: central part of Cape Canyon 305 Comment
  RSA660012  Salvia apiana William Emboden 1969-5-28 9 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA0081520  Salvia carduacea R. G. Swinney 2010-5-12 12763 Los Angeles Soledad Canyon near Kentucky Springs, 2.2 miles west of Angeles Forest Hwy, 1.4 miles west of Vincent Grade Acton Station (RR), from Foreston Dr. to 200 m east on the south side of West Carson Mesa Rd. 921 Comment
  RSA599622  Salvia carduacea Steve Boyd, Lauren Raz 1997-4-16 9516 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  SEINET2077528  Salvia carduacea S. Rhodes 2000-4-24 130 Los Angeles S of Palmdale near area where railroad tracks cross Avenue S. Comment
  SBBG31459  Salvia columbariae R. F. Thorne 1966-4-7 35945 Los Angeles Cherry Valley 60 Comment
  SEINET13276733 Image available Salvia columbariae R. G. Swinney 2011-1 14601 Los Angeles San Gabriel Mountains: north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road (Glendora 7.5' Q.) (T1N R9W S5; T1N R9W S8) 792 Comment
  UCR186889  Salvia dorrii A. C. Sanders 2006-4-14 32059 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
  UC1281066  Salvia dorrii var. pilosa H. E. McMinn 1935-6-28 4079 Los Angeles approaching Palmdale Comment
  CAS-BOT-BC233659  Salvia leucophylla Edith A. Purer 1935-5-11 6551 Los Angeles Malibu Lodge Road Comment
  POM9706  Salvia leucophylla P. A. Munz 1921-4-24 4430 Los Angeles Ridge Road, near Castaic. 610 Comment
  RSA658520  Salvia leucophylla Diane Elliott 1985-5-10 33 Los Angeles Canyon, (.5)? miles S of intersection, Eastvale Rd. and Palos Verdes Drive North. Comment
  UC1124766  Salvia leucophylla F. H. Raymond 1930-1-6 18 Los Angeles Escondido Canyon; Triunfo Pass Quad. 335 Comment
  LA35985  Salvia mellifera Peter H. Raven; 1960-5-15 Los Angeles SANTA MONICA MOUNTAINS, Piuma Road, 5.1 mi. NW of Rambla Pacifica. 213 Comment
  RSA578097  Salvia mellifera Tim S. Ross, Steve D. Boyd 1994-5-31 7703 Los Angeles Saddle divide between East Fork Fish Canyon and Warm Springs Canyon: vicinity, crossroads of Warm Springs - Fish Canyon Truck Trail (6N32) and Warm Springs Divide Truck Trail (7N132); ca 2920 m NNW of Warm Springs Mountain summit 854 Comment
  UCD125586  Salvia mellifera F. R. Fosberg 1931-3-18 S 4291 Los Angeles Hamilton Canyon, Santa Catalina Island. 10 Comment
  UCR124448  Salvia mellifera I. W. Clokey, B. C. Templeton 1929-1 4478 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  UCR274112  Salvia mellifera Steven A. Junak 1998-6-13 SCa- 746 Los Angeles California Islands, Santa Catalina Island, west side of Avalon Canyon drainage, along north rim of Quail Canyhon, just west of Los Angeles Counthy Fire Station 79 Comment
  LA34658  Salvia spathacea Mary V. Hood; 1948-5-18 48 4 k Los Angeles 579 Comment
  RSA152396  Sambucus mexicana R. C. Bacigalupi 1953-5-2 4049 Los Angeles Northern limits of Oak Flat Public Camp, Angeles National Forest, just off U.S. 99 854 Comment
  RSA477547  Sambucus mexicana T. Gertrude Williamson 1924-08 s.n. Los Angeles Catalina Island. Comment
  RSA477563  Sambucus mexicana William Greenberg 1939-7-24 s.n. Los Angeles Beverly Hills Canyon. Comment
  RSA609983  Sambucus mexicana L. C. Wheeler 1970-6-28 s.n. Los Angeles Little Fish Fork, Fish Fork Camp 2011 Comment
  UC1871099  Sambucus mexicana T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4938 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880&apos Comment
  RSA0085081  Sambucus mexicana T. S. Ross 1991-4-8 4478 Los Angeles Elephant Hill: western Pomona. 265 Comment
  SFV6196  Sambucus nigra subsp. caerulea R. M. Muran 1974-3-26 52 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  UCR259096  Sambucus nigra subsp. caerulea R. G. Swinney 2010-9-9 13753 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
  LA94329  Sambucus nigra subsp. canadensis A. H. Lange; 1951-5-22 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  UC55208  Sanicula arguta H. P. Chandler 1897-3-25 Los Angeles San Dimas Comment
  RSA534062  Sanicula arguta T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5260 -a Los Angeles San Clemente Island: westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest (1336 ) marker, 1800ft SE of Malo Knoll (1396 )) Beginning of drainage. 386 Comment
  SBBG131567  Sanicula arguta S. A. Junak 2000-4-15 SCa 1203 Los Angeles Avalon Cyn, on W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  POM3422  Sanicula bipinnata L. R. Abrams 1901-4-3 1301 Los Angeles Los Angeles River, San Fernando Valley Comment
  RSA562656  Sanicula crassicaulis Steve Boyd, Walter Appleby 1993-4-22 7985 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UCR213374  Sanicula crassicaulis Dan S. Cooper 2010-4-9 20100409- 24 Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  UCR238473  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-6 2667 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  SBBG131441  Schismus S. A. Junak, B. Collins 1991-4-24 SCI 147 Los Angeles edge of parking lot at airfield 60 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
  RSA762450  Schismus barbatus R. G. Swinney 2009-2-20 10011 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA279128  Schoenoplectus maritimus Robert F. Thorne, D. Propst, Mark Hoefs 1974-9-12 45103 Los Angeles Santa Catalina Island: behind Little Harbor beach and lagoon. 5 Comment
  SEINET7592516 Image available Scirpus microcarpus Steve Boyd, Lauren Raz 1996-10-8 8998 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08 561 Comment
  SFV18293  Scrophularia californica J. N. Hogue 2002-5-24 175 .1 Los Angeles San Gabriel Mountains USFS Road 2N08, just east of Newman Point. 975 Comment
  SFV3446  Scrophularia californica C. Gasser 1956-3-29 s. n. Los Angeles San Gabriel Mountains Gorman. Comment
  LA51843  Scrophularia californica subsp. californica Miss Courtney; 1926-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  JEPS62908  Scutellaria siphocampyloides Frank W. Peirson 1921-6-15 1051 Los Angeles Chilao; Pine Flats Region, San Gabriel Mountains, Chilao 1676 Comment
  RSA230224  Scutellaria siphocampyloides Robert F. Thorne 1969-7-2 38260 Los Angeles Angeles National Forest: near Chilao Creek, Upper Chilao Campground. 1616 Comment
  UC25772  Scutellaria siphocampyloides H. M. Hall Jun 20 1899-Jun 22 1899 1251 Los Angeles north side San Antonio Mountains 1706 Comment
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Nov 26 2011
  POM4113  Scutellaria tuberosa E. L. Brown 1893-04 s.n. Los Angeles Collected near Pasadena, Lincoln Park Comment
  PASA2576  Sedum oblongorhizum Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  LA209600  Selaginella asprella Lawrence L. Kiefer; 1966-11-5 2498 Los Angeles San Gabriel Mountains, upper S Fork Little Rock Creek, ca 0.5 mi below Sulphur Springs Campground 1523 Comment
  RSA162793  Selaginella asprella John D. Olmsted 1959-11-8 1080 Los Angeles San Gabriel Mountains, E. Fork San Gabriel R.; Fish Fork between sixth and seventh falls. 1418 Comment
  CAS-BOT-BC62042  Selaginella bigelovii Alice Eastwood 1906-5-27 59 Los Angeles Garvanza Comment
  UCR88694  Selaginella bigelovii Scott D. White 1995-10-19 3702 Los Angeles Santa Susana Mtns, Above Chatsworth, +-0.1-0.4 air mi. north of Chatsworth Oaks Park (on Valley Circle Blvd), 0.7-1.0 air mi. SE of Chatsworth Peak 396 Comment
  POM296980  Selaginella bigelovii Karen Hosterman 1957-4-8 977 Los Angeles Catalina [Island]; north side of Avalon. Comment
  CAS-BOT-BC327396  Senecio astephanus F. Grinnell Jr. 1917-6-10 s.n. Los Angeles Sister Elsie Peak Trail near Pasadena, San Gabriel Mountains Comment
  PASA1362  Senecio douglasii Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  CDA8633  Senecio flaccidus var. douglasii unknown 2005-10-21 152 Los Angeles Santa Monica Mountains: Rustic Canyon. 0 Comment
  RSA642690  Senecio flaccidus var. douglasii Orlando Mistretta 1992-7-14 708 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  POM9642  Senecio flaccidus var. douglasii P. A. Munz 1920-12-5 4403 Los Angeles Claremont. 366 Comment
  CATA390  Senecio lyonii Mark L. Hoefs 1974-5-2 456 Los Angeles Santa Catalina Island: By road to Isthmus, south of buffalo corrals 213 Comment
  CAS-BOT-BC364533  Senecio vulgaris Munz; Harwood 1920-3-13 3361 Los Angeles Puddingstone Canon [Canyon], San Dimas 304 Comment
  RSA473110  Senecio vulgaris Robert Gustafson 1981-3-18 2124 Los Angeles Ballona Wetlands, Area 3. Comment
  POM347497  Senna armata W. Hutchinson 1920-6-1 s.n. Los Angeles Mojave Desert Comment
  UCR209306  Setaria viridis var. viridis A. C. Sanders, Lorraine Weller, Alejandra Martinez B. 2009-9-16 37185 Los Angeles Los Angeles Basin Region, Los Angeles, Watts area, Bouganvilla Community Garden, East 103rd St. at Grape St. 33 Comment
  CDA36376  Sherardia arvensis A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36980 Los Angeles San Gabriel Valley; Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines. Comment
  CAS-BOT-BC434377  Sidotheca trilobata Noel H. Holmgren; James L. Reveal 1966-5-29 2610 Los Angeles San Gabriel Mountains, ridge east of Mt. Gleason, 2.7 road miles west of Mill Creek summit. 1767 Comment
  SEINET5337117  Silene antirrhina L. Wheeler 1932-5-29 794 Los Angeles Liveoak Canyon, San Gabriel Mts., 419 Comment
  UCD170105  Silene armeria A. C. Sanders; D. Malueg 1998-6-22 21986 -A Los Angeles San Gabriel Mtns., foothills along Hwy 2 at La Canada, at turnoff to SCE Gould substation, Gould Canyon watershed. 610 Comment
  RSA3513  Silene gallica C. B. Wolf 1932-5-9 3456 Los Angeles At junction of Skyline Drive and Pebbly Beach Road. Santa Catalina Island 30 Comment
  RSA526554  Silene gallica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4240 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  LA99388  Silene gallica Walt Westman; E. R. Hobbs 1979-1 sn Los Angeles Santa Monica Mountains, Leo Carrillo State Park, Site #1 45 Comment
  RSA3698  Silene gallica C. B. Wolf 1932-5-11 3545 Los Angeles Santa Catalina Island, hillside W of Isthmus Harbor. 15 Comment
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Jan 23 2014
  RSA477879  Silene gallica Robert Gustafson 1980-4-29 2214 Los Angeles Ballona Wetlands, Area 2. Comment
  RSA762289  Silene gallica Orlando Mistretta, Christine Mistretta 2008-5-5 2649 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon. 627 Comment
  CAS-BOT-BC174893  Silene laciniata Henry J. Thompson 1959-5-24 2009 Los Angeles 1.9 miles north of Coast Highway, Tuna Canyon Road 335 Comment
  SFV5501  Silene laciniata subsp. laciniata W. A. Kelley Jun 1966 27 1 Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  RSA477931  Silene laciniata subsp. major F. R. Fosberg 1931-5-24 S 4970 Los Angeles Alluvial fan, La Crescenta. Comment
  RSA763748  Silene lemmonii Orlando Mistretta, Christine Mistretta 2008-5-20 3138 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 95 per TRTP Survey 2008), Rincon Red box Rd., W Fork of the San Gabriel River, N slope of Monrovia Pk. 1453 Comment
  SD111577  Silene parishii var. latifolia Wayne P. Armstrong 1982-7-18 Los Angeles Steep talus slope northwest of Pine Mountain, San Gabriel Mountains. 2710 Comment
  UCR215080  Sisymbrium erysimoides Justin M. Wood 2009-3-6 333 Los Angeles city of Claremont, northwest corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County 412 Comment
  RSA747751  Sisymbrium officinale Scott D. White, J. Wood, J. Miner 2009-5-12 12700 Los Angeles Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR260377  Sisymbrium officinale R. G. Swinney 2010-6-21 13285 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
  RSA653837  Sisymbrium orientale Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O Brien 2000-4-25 772 Los Angeles Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. 518 Comment
  SBBG96666  Sisymbrium orientale S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 a Los Angeles lower half of China Cyn Comment
  RSA228974  Sisyrinchium bellum Robert F. Thorne 1971-8-25 41325 Los Angeles San Gabriel Mountains, Angeles National Forest: near Windy Spring on N slope of Mt. Islip 2256 Comment
  UCR192861  Smilacina stellata R. G. Swinney 1998-7-14 6428 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  SBBG105352  Solanum americanum H. L. Ferguson, R. M. Beauchamp 1979-9-15 Los Angeles ca. 100 m SW of Vista O.P. gate 555 Comment
  SBBG119079  Solanum americanum S. D. White with P. De Vries 2004-6-14 10483 a Los Angeles Lyon Cyn, W of Interstate 5, ca. 4 mi N of the I-5 jct with Hwy 14, ca. 6 mi S of Castaic Jct 396 Comment
  OBI69298  Solanum douglasii John Knapp, Denise Knapp 2003-5-10 49 Los Angeles Catalina Island 472 Comment
  RSA167822B  Solanum douglasii Robert F. Thorne, Percy C. Everett 1964-2-7 33466 Los Angeles Lower end of Pebbly Beach Canyon, E end of Santa Catalina Island. 76 Comment
  SEINET3860465  Solanum douglasii R. G. Swinney 2009-4-13 10334 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, east of El Encanto Park in Duarte.; 0 184 Comment
  SEINET7262340 Image available Solanum elaeagnifolium J. A. Ewan 1932-1 680 Los Angeles West Los Angeles Comment
  UCR205744  Solanum nigrum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36973 Los Angeles San Gabriel Valley, Baldwin Park, light industrial park at end of Cloverleaf Dr., E bank of the San Gabriel River NE of its confluence with Walnut Creek, S of I-10 Fwy and W of I-605 Fwy, under SCE powerlines 89 Comment
  NY821273  Solanum physalifolium L. C. Wheeler 1932-9-10 1369 Los Angeles Harrison & San Antonio Ave. W Claremont 366 Comment
  CAS-BOT-BC156793  Solanum umbelliferum A. Eastwood 1906-6-1 108 Los Angeles Laurel Canyon Comment
  CAS-BOT-BC83645  Solanum umbelliferum E. Braunton 1903-1-12 796 Los Angeles Laurel Canyon Comment
  RSA650187  Solanum umbelliferum Lori Ackerman, Gerald Braden 1988-5-20 13 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA660504  Solanum umbelliferum Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 9 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA80384  Solanum umbelliferum F. W. Peirson 1919-6-15 1082 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  UC450821  Solanum umbelliferum Fay A. McFadden 1931-3-16 58 E Los Angeles Verdugo Hills, Tuna Canyon Tuna Canyon; Verdugo Hills, Tuna Canyon Comment
  UCR259974  Solanum umbelliferum R. G. Swinney 2010-4-28 12440 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
  UC884942  Solanum umbelliferum I. W. Clokey, B. C. Templeton 1930-4-8 4643 Los Angeles San Francisquito Canyon, nw L.A. County San Francisquito Canyon Comment
  RSA427375  Solanum wallacei Reid Moran 1941-3-8 687 Los Angeles White's Landing, Santa Catalina Island. 50 Comment
  RSA427377  Solanum wallacei Anstruther Davidson 1899-06 s.n. Los Angeles Catalina Island Comment
  RSA427381  Solanum wallacei J. A. Powell 1928-4-2 s.n. Los Angeles NW of Avalon, Santa Catalina Island. Comment
  NY820450  Solanum xanti L. Abrams 1902-6-17 2556 Los Angeles Sepulveda cañon, Santa Monica Mts. Comment
  UCR124469  Solanum xanti var. montanum B. C. Templeton 1932-5-31 4859 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA473616  Solidago californica F. R. Fosberg 1930-11-11 54182 Los Angeles Templeton, South Puente 100 Comment
  JEPS32342  Solidago velutina subsp. californica John Thomas Howell 1927-10-16 3147 Los Angeles Santa Anita Canyon , Santa Anita Canyon (San Gabriel Mts.) Comment
  RSA0092149  Solidago velutina subsp. californica R. G. Swinney 2011-9-22 15659 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UC1929629  Solidago velutina subsp. californica Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 353 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.8 mi w of gate. Comment
  RSA596813  Sonchus asper Timothy S. Ross, J. Mark Porter 1995-5-4 8471 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA526562  Sonchus asper Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4247 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  CHSC98404  Sonchus oleraceus LeRoy Gross; Laura Moore, Debby Zygielbaum, Ron Burchet 2000-6-8 236 Los Angeles Verdugo Mountains: Off La Tuna Canyon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest folllowing a ridge running northwest from the crest. 548 Comment
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  UC1348970  Sonchus oleraceus Robert F. Thorne 1966-4-7 35960 Los Angeles Santa Catalina Island 60 Comment
  UCR178947  Sorghum halepense R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., Glendora, 70 yds. west of Country Club Rd. on Valiant St., NE of Glendora High School 305 Comment
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Apr 11 2014
  CSUSB1338  Spartium junceum Brian Scott 1968-5-11 Los Angeles Mount Baldy. Mount Baldy Road, roadside for 3 miles. 762-914 Comment
  UCD108502  Spartium junceum Gordon Pilone 1961-4-1 145 Los Angeles San Antonio Canyon, north of dam on new road. San Gabriel Mt. Range. 731 Comment
  RSA0097907  Spergularia bocconi Valerie L. Soza, Steve Boyd 2000-4-26 790 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  UCR197222  Spergularia bocconi Valerie Soza, Ileene Anderson, LeRoy Gross 2000-6-6 984 Los Angeles Verdugo Mountains, southwest side, along Verdugo Mtwy, above Brace Canyon, west of junction with Stough Canyon Mtwy 610 Comment
  POM243847  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-4-3 4466 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach Rd. 5 Comment
  SBBG20568  Spergularia macrotheca var. macrotheca E. R. Blakley 1963-12-8 6410 Los Angeles between Northwest Harbor and Whale Pt 15 Comment
  RSA0029487  Spergularia macrotheca var. macrotheca Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2740 Los Angeles Santa Catalina Island. Bluff below U.S.C. building at Fisherman s Cove. 6 Comment
  CAS-BOT-BC390551  Spergularia platensis LeRoy Abrams 1903-4-14 3252 Los Angeles Mesa between Rivera and Florence Comment
  CAS-BOT-BC518709  Sphaeralcea emoryi subsp. emoryi B. C. Templeton 1930-5-19 1460 Los Angeles San Gabriel Mtns: Mint Canyon, near Mojave Desert 854 Comment
  RSA725849  Sphenosciadium capitellatum R. G. Swinney 1997-7-16 5658 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  UCLA70850  Stachys ajugoides var. rigida Louis C. Wheeler 1932-5-15 709 Los Angeles Puddingstone Dam San Jose Hills 304 Comment
  POM4057  Stachys bullata L. R. Abrams 1902-6-16 2548 Los Angeles Santa Monica Mountains: Sepulveda Canyon. Comment
  LA38898  Stachys rigida var. rigida Peter H. Raven; 1960-5-21 15390 Los Angeles Santa Monica Mountains, La Tuna Canyon, 0.9 mi N of Coast Highway 76 Comment
  UCSB2452  Stanleya pinnata Ralph, F. 1959-5-15 Los Angeles Along roadside of cutoff between Hwy. 6 and Hwy. 138, 2.7 miles from its jct. with 138; High Mojave Desert Comment
  PASA2083  Stanleya pinnata Stason 1930-5-15 Los Angeles Lovejoy Buttes Comment
  LA29211  Stanleya pinnata var. pinnata Mary V. Hood; 1944-7-3 44- 117 k* Los Angeles Ridge Route, S of Gormon 914 Comment
  UC54144  Stebbinsoseris heterocarpa H. M. Hall May 1902 3262 Los Angeles Sierra Santa Monica Sierra Santa Monica (Southern California) Comment
  RSA0115268  Stellaria media Richard G. Swinney 2010-6-8 13226 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 100-300m south of Placerita Cyn. in Los Pinetos Cyn. 573 Comment
  SBBG88372  Stellaria media M. B. Dunkle 1929-3-17 2068 Los Angeles Black Jack Mtn Comment
  SDSU4474  Stellaria media A. H. Gallup 1948-3-5 114 Los Angeles Claremont. 366 Comment
  UC852207  Stellaria media L. W. N