Search Results — 2000 specimen records retrieved (1565 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384188  Abies concolor V. V. Giles 1936-6-5 s.n. Los Angeles Crystal Lake, San Gabriel Mts. Comment
  RSA384195  Abies concolor L. E. Hoffman 1931-11-9 s.n. Los Angeles Big Pines County Park, Angeles Forest Comment
  SD133059  Abronia pogonantha E. La Rue, R. Montijo 2-4 Apr 1991 91 11 Los Angeles Palmdale; south of Avenue M and E of Sierra Highway, north of Air Force Plant. 792 Comment
  SDSU8418  Abronia umbellata subsp. alba R. M. Beauchamp 1967-1-28 129 Los Angeles San Clemente Island Comment
  CATA3243  Acacia decurrens Julia Parish, Ben Dion, Megan Marshall, Monica Tydlaska 2017-1-9 002 Los Angeles Santa Catalina Island: South end of Airport in landscaping 487 Comment
  POM306284  Acer macrophyllum Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1394 Los Angeles Eaton Canyon Park, Altadena. Comment
  RSA0015969  Acer macrophyllum Steve D. Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11695 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA724648  Acer macrophyllum K. Dobry 1991-5-2 583 Los Angeles West San Gabriel Mts at Elsmere Cyn Comment
  RSA755841  Acer macrophyllum R. G. Swinney 2008-7-2 9108 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 and Old Hwy 39 1878 Comment
Read comments
Sep 21 2010
  RSA0051231  Acer macrophyllum James R. Shevock 1976-4-24 5020 Los Angeles San Gabriel Mountains, Angeles National Forest. 1386 Comment
  UCR129695  Acer negundo var. californicum E. Lloyd 1933-3-5 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Topanga Canyon 244 Comment
  UC1215242  Achillea millefolium Peter H. Raven 1962-4-11 17303 Los Angeles 1 mi s Wilson Cove; San Clemente Island 121 Comment
  RSA724982  Achnatherum coronatum K. Dobry 1991-6-27 d- 785 Los Angeles Santa Monica Mts 1 mi E of Las Virgenes Rd along Mulholland Hwy Comment
  RSA91820  Achnatherum occidentale subsp. occidentale F. W. Peirson 1922-7-6 3154 Los Angeles ridge W of Pacifico Mtn. between Tie Canyon and Santiago Canyon drainages 2560 Comment
  RSA0013200  Achnatherum speciosum Orlando Mistretta, Christine Mistretta 2011-7-13 5935 Los Angeles Fall Creek Cyn near confluence with Big Tujunga Cyn, along Forest Road 3N27. 1005 Comment
  RSA774960  Achnatherum speciosum R. G. Swinney 2009-4-29 10589 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 945 Comment
  RSA416301  Achyrachaena mollis M. B. Dunkle 1939-4-6 7307 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  SBBG13832  Acmispon americanus E. R. Blakley 1962-10-3 5376 Los Angeles Wrigley Reservoir at summit of the island rd 426 Comment
  CAS-BOT-BC204754  Acmispon argophyllus var. argenteus M. B. Dunkle 1939-4-2 7200 Los Angeles SE coast, San Clemente Island Comment
  CATA802  Acmispon dendroideus var. dendroideus Mark L. Hoefs, Robert Given 1991-6-12 1374 Los Angeles Santa Catalina Island: 1/2 mile from Camp Cactus near road between Middle Canyon and Bulrush Canyon 231 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
  SD185217  Acmispon maritimus A. C. Sanders, Lee Jones 2005-4-8 29321 Los Angeles Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente. 2 Comment
  SEINET10407804 Image available Acmispon strigosus G. B. Grant 1906-1 Los Angeles collected at summit of Mt. Wilson; San Gabriel mts; southern California 1829 Comment
  CAS-BOT-BC29200  Acourtia microcephala Howard E. McMinn 1924-7-25 1323 Los Angeles Catalina Island Comment
  CAS-BOT-BC29207  Acourtia microcephala Louis C. Wheeler 1973-7-15 s.n. Los Angeles San Gabriel Mountains, Doe Flat, Graveyard Canyon Comment
  SBBG128327  Acourtia microcephala M. Zou, A. Cheung, S. Lawrence-Gomez, D. Kasang, S. Ratay 2011-7-8 27 Los Angeles Deer Valley Trail 62 Comment
  LA52119  Adenostoma fasciculatum A. M. Johnson; 1932-5-14 4062 Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon, Summit Decker Road. Comment
  RSA654072  Adenostoma fasciculatum Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 735 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 427 Comment
  RSA407710  Adenostoma fasciculatum var. fasciculatum O. R. Dorado R., Aaron Liston, K. Tan 1987-6-10 1700 Los Angeles San Gabriel Mtns. Near Rincon Ranger Station. 762 Comment
  RSA596054  Adenostoma fasciculatum var. fasciculatum Tim S. Ross, J. Mark Porter 1995-5-4 8423 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG13673  Adenostoma fasciculatum var. fasciculatum P. H. Raven 1962-5-22 17839 Los Angeles Middle Ranch 213 Comment
  UCR190272  Adiantum aleuticum R. G. Swinney 2000-9-16 7869 Los Angeles San Gabriel Mtns., Coldwater Canyon, c. 2.1 mi. NE of confluence with Dry Gulch 1780 Comment
  CHSC98766  Adiantum capillus-veneris LeRoy Gross; Laura Moore 2000-6-5 230 Los Angeles Verdugo Mountains: Short distance south from La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 487 Comment
  UCR190867  Adiantum capillus-veneris R. G. Swinney, Dave Larson 1999-6-12 7546 Los Angeles San Gabriel Mtns., upper East Fork San Dimas Canyon, north of confluence with Fern Canyon 869 Comment
  SFV5510  Adiantum jordanii W. A. Kelley 1968-1-14 s. n. Los Angeles Santa Susana Mountains Chatsworth. Santa Susana Pass. Comment
  UCR117118  Aeonium A. C. Sanders, D. Malueg 2001-5-17 24347 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
  CAS-BOT-BC295621  Agnorhiza ovata Robert F. Thorne 1969-7-2 38259 Los Angeles San Gabriel Mts., Angeles National Forest: at Upper Chilao Campground 1615 Comment
  RSA707474  Agoseris retrorsa Naomi Fraga, Tim Thibault 2005-6-13 1587 Los Angeles Stoddard Canyon, along Barret Stoddard Road. 1280 Comment
  HSC79906  Agoseris retrorsa James Henrickson 1973-5-12 9575 Los Angeles 6 air mi. NE of La Canada, 3.1 road mi. N of N3, off Angeles Crest Hwy.; in canyon along road in granitic slopes of San Gabriel Mtns. 1037 Comment
  RSA756785  Agoseris retrorsa Orlando Mistretta, Christine Mistretta 2008-4-28 2536 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line tower (Segment 6, Impact area 9 per TRTP Survey 2008), vicinity of Upper Big Tujunga Canyon. 1127 Comment
  UCR204414  Agrostis R. G. Swinney 2001-9-15 8174 Los Angeles San Gabriel Mountains, Little Jimmy Spring 2256 Comment
  CATA4  Agrostis exarata Julie L. King 2013-5-14 1 Los Angeles Santa Catalina Island: Southeast corner of Haypress Reservoir 123 Comment
  RSA384959  Agrostis exarata Samuel R. Tyson 1943-9-1 s.n. Los Angeles San Dimas Canyon. [San Gabriel Mountains] 1372 Comment
  HSC8775  Agrostis gigantea C. E. Fellows 1965-8-22 114 Los Angeles Big Tujunga Canyon, 1.8 miles NE of intersection of Mt. Gleason Ave and Rim Canyon Rd., then N on service 1.3 miles. Comment
  SD181783  Agrostis pallens Louis C. Wheeler 1973-7-15 Los Angeles San Gabriel Mountains, Doe Flat, Graveyard Canyon. Growing up through shrubs. 822 Comment
  SEINET10471914  Allium David B. Dunn 1946-1 Dunn 2000 Los Angeles Collected in the yard at 316 N. Ave. 50. 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
  UCR223597  Allium lacunosum var. davisiae R. G. Swinney 2009-6-8 11089 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  RSA639707  Allium monticola L. C. Wheeler 1968-7-15 s.n. Los Angeles Southwest side Dawson Peak. 2865 Comment
  RSA367120  Allium praecox M. B. Dunkle 1939-4-4 s.n. Los Angeles San Clemente Island: Chenetti Canyon. Comment
  RSA547462  Allophyllum divaricatum T. S. Ross, Orlando Mistretta 1992-7-24 6753 Los Angeles E side of Strawberry Peak near divide between Colby and Wickiup Canyons; 120 deg. SE, 1065 m distant from Strawberry Peak summit. 1561 Comment
  RSA535543  Allophyllum glutinosum T. S. Ross, Annette Ross 1991-9-7 5957 Los Angeles Santa Monica Mountains: near Mulholland Highway x Yerba Buena Road. 375 Comment
  UCR281706  Allophyllum glutinosum B. C. Templeton 1939-4-26 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Huntington Palisades [neighborhood in Pacific Palisades] Comment
  CAS-BOT-BC170973  Alnus rhombifolia Joseph Andorfer Ewan; Nesta Ewan 1936-8-2 9887 Los Angeles 1 mi below head of Cedar Canyon off Mescal Canyon. San Gabriel Mts. Comment
  CAS-BOT-BC171445  Alnus rhombifolia W. R. Dudley 1899-7-22 s.n. Los Angeles Alpine Tavern, Mt. Lowe Comment
  RSA482493  Alnus rhombifolia Richard Noyes 1987-10-17 458 Los Angeles San Gabriel Mountains. San Antonio Canyon. One-half mile north of Mt. Baldy road tunnels along gated road leading to power station. 1037 Comment
  UCR281159  Amaranthus albus R. G. Swinney 2014-6-5 16722 Los Angeles San Gabriel Mountains, Glendora, 0.48 miles north of Sierra Madre Ave. at Rainbow Dr. 381 Comment
  RSA607602  Amaranthus albus L. C. Wheeler 1966-10-25 9070 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA404560  Amaranthus palmeri Anstruther Davidson 1945-1 s.n. Los Angeles Los Angeles. Comment
  RSA611920  Amaranthus retroflexus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  SD107919  Amblyopappus pusillus Larry DeBuhr 1977-4-16 2564 Los Angeles Santa Catalina; coastal bluffs around Little and Shark Harbours. Comment
  RSA594346  Ambrosia acanthicarpa Steve Boyd, Lauren Raz 1996-10-14 9031 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  LA31645  Ambrosia chamissonis Peter H. Raven; Henry J. Thompson 1959-6-4 14331 Los Angeles Santa Monica Mountains 45 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
  UC62864  Ambrosia chamissonis H. M. Hall 1902-5-11 3275 Los Angeles Santa Monica Comment
  RSA416935  Ambrosia chamissonis Robert Gustafson 1980-8-29 1881 Los Angeles Ballona Wetlands, Area 3. Confined to a samll relict strip of coastal strand near the jct of Lincoln Blvd. and the Ballona Creek Channel of Area 3. Comment
  SBBG53303  Ambrosia chamissonis D. M. Power 1972-11-11 Los Angeles dunes, San Clemente Island Comment
  POM294576  Ambrosia psilostachya Lyman Benson 1945-10-22 11903 Los Angeles Claremont. 335 Comment
  CAS-BOT-BC174664  Ambrosia psilostachya var. californica Timothy S. Ross; Steve Boyd 1994-7-7 8149 Los Angeles Upper Cienaga Canyon: South base of Liebre Mountain, just on the N side of the Kelly Ranch inholding (USFS map, 1958; Knapp Ranch, Angeles Nat'l Forest map, 1982) 1018 Comment
  UCSB9149  Ambrosia psilostachya var. californica Charles Crum 1958-7-15 26 Los Angeles collected along Mulholland Drive, between Sepulveda Road and Topanga Road, near Los Angeles Mulholland Drive, Sepulveda and Topanga Comment
  RSA415274  Amorpha californica H. L. Bauer 1932-4-25 15361 Los Angeles Near Topango [Topanga] P.O. Comment
Read comments
May 29 2014
  UCSB68627  Amorpha californica Gross, LeRoy; Fraga, Naomi; Hogshead, Bill; Virgen, Aydee 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountain region; entered west of Haines Canyon Park, off of Estepa Drive in Tujunga; tributary is north of the 210 freeway; south of freeway tributary will drain into La Tuna Canyon; (Burbank 7.5 Quad. T2N R14W S24, SE1/4) 457 Comment
  CAS-BOT-BC180605  Amorpha californica var. californica Alice Eastwood 1919-6-20 9046 Los Angeles Mt. Wilson Comment
  RSA244384  Amorpha californica var. californica Robin S. Collins 1973-5-15 272 Los Angeles Trail Canyon, within 1/2 mi. of start of pack trail. 625 Comment
  UC80626  Amorpha californica var. californica Ernest Braunton June 1902 424 Los Angeles Elysian Park Comment
  RSA0106743  Amsinckia R. G. Swinney 2011-5-3 14576 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  LA103429  Amsinckia intermedia Barry A. Prigge; 1986-3-20 6955 Los Angeles Santa Monica Mountains, Medea Creek, just N of Paramount Ranch State Park 231 Comment
  SBBG20504  Amsinckia intermedia E. R. Blakley 1963-12-7 6323 Los Angeles W of Pyramid Head, S of lighthouse 38 Comment
  UCR205129  Amsinckia intermedia R. G. Swinney 2008-4-17 8691 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  POM3635  Anagallis arvensis E. L. Brown 1893-05 s.n. Los Angeles Hillsides near Pasadena Comment
  RSA465146  Anagallis arvensis T. S. Clare 1929-4-7 s.n. Los Angeles Topanga Canyon. Comment
  RSA0048292  Anagallis arvensis P. R. Brown 1970-6-2 s.n. Los Angeles Lower end of Canon de Lana. Comment
  SEINET10919763  Anaphalis margaritacea Grinnell 1917-6-30 GRINNELL s.n. Los Angeles 457 Comment
  SD230130  Andropogon glomeratus var. scabriglumis Louis C. Wheeler 1972-4-9 Los Angeles San Gabriel Mountains: Arroyo Seco, Angeles Crest Highway ca. 1/4 mile ESE Colby Canyon. South-facing, moist crevices in cliff, full sun. 1096 Comment
  RSA596696  Anemopsis californica Steve Boyd, Lauren Raz 1996-9-24 8935 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
  RSA5879  Anemopsis californica C. B. Wolf 1932-9-16 4097 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  CAS-BOT-BC64020  Anisocoma acaulis Timothy S. Ross 1994-5-31 7970 Los Angeles Pacifico Mountain, ca 800 m WNW of the 7124-ft summit 2069 Comment
  JEPS13378  Antennaria dimorpha unknown Los Angeles Comment
Read comments
Jul 22 2010
  RSA674555  Anthemis cotula Scott D. White 2000-6-24 8094 Los Angeles Puente Hills: City of Rowland Heights, 'Rancho Rincon de la Brea' near Bill Blevins Park. 213 Comment
  UCR136837  Anthemis cotula John F. Green 2003-6-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratory 381 Comment
  LA200152  Anthemis cotula O. H. Kappler; 1943-5-23 465 Los Angeles Santa Monica Mountains, Trancas Canyon, West fork 518 Comment
  UCR217432  Anthriscus caucalis R. G. Swinney 2009-3-10 10057 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA483731  Anthriscus caucalis Richard Noyes, L. Arnseth 1988-4-30 527 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA587971  Antirrhinum coulterianum Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 4006 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
  UCR223731  Antirrhinum coulterianum R. G. Swinney 2009-6-12 11138 Los Angeles Transverse Range; San Gabriel Mtns., Shoemaker Canyon Rd., at 'Blind Deer Spring' in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  UCR271833  Antirrhinum coulterianum R. G. Swinney 2010-3-24 12096 Los Angeles San Gabriel Mountains, Pacoima area, Lopez Canyon, 1.7 miles west of Kagel Canyon on Lopez Cyn. Rd., to 300 meters east of road on E-W running ridge 503 Comment
  UCR146225  Antirrhinum kelloggii Valerie Soza, Steve Boyd 2002-4-10 1386 Los Angeles Transerve Ranges, Liebre Mountains region, Ridge above E fork of Haskell Canyon, ridge just west of Del Sur Ridge; c. 1.8-2 mi NW along Coarse Gold Canyon fire road from Bouquet Canyon; Stables Fire 2001 area 655 Comment
  UCR277030  Antirrhinum multiflorum R. G. Swinney 2010-5-25 12912 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SBBG113118  Aphanes occidentalis S. A. Junak 1997-3-27 SCa 348 Los Angeles Avalon Cyn, along lower part of Hermit Gulch Trail 109 Comment
  SBBG12213  Aphanisma blitoides P. H. Raven 1962-4-11 17268 Los Angeles sandy beach W of Wall 2 9 Comment
  SBBG13297  Apiastrum angustifolium M. A. Piehl 1962-6-9 63244 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  UCSB41305  Apocynum cannabinum Miller, Brian 1960-07 Los Angeles Charlton Flats, San Gabriel Mountains 1981 Comment
  UCR189746  Aquilegia formosa R. G. Swinney 1998-7-10 6368 Los Angeles San Gabriel Mtns., confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream 1488 Comment
  SEINET3245959  Arabis R. G. Swinney 2009-1 10870 Los Angeles Transverse Range; San Gabriel Mtns.: Sulphur Springs Campground, streamside from campground to 300 m downstream (Waterman Mtn. 7.5') 1585 Comment
  RSA0126235  Arabis glabra R. G. Swinney 2008-4-11 8660 Los Angeles San Dimas Experimental Forest, Lewis Paul Canyon, above waterfall at junction of Big Dalton Cyn. Rd. 549 Comment
  UC10122  Arabis glabra Harley P. Chandler 1898-4-20 Los Angeles Claremont Comment
  RSA252939  Arabis pulchra R. F. Thorne, Gary D. Wallace 1973-4-24 43415 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom 1174 Comment
  POM367170  Arbutus menziesii L. C. Wheeler 1932-4-16 619 Los Angeles W side Santa Anita Canyon. 762 Comment
  UC1120816  Arbutus menziesii H. A. Jensen 1933-3-1 265 Los Angeles Angeles National Forest, Santa Anita Canyon Santa Anita Canyon; Angeles National Forest, Santa Anita Canyon 914 Comment
  UCR202694  Arceuthobium californicum R. G. Swinney 2001-8-11 8044 Los Angeles San Gabriel Mtns., Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap 2375 Comment
  RSA626770  Arctostaphylos glandulosa Allen Massihi, Jon E. Keeley 1992-7-9 16015 Los Angeles Ridge Route, 23 km south of Liebre Gulch turnoff. 800 Comment
  RSA626838  Arctostaphylos glandulosa subsp. gabrielensis Jon E. Keeley, Melanie Baer Keeley 1992-10-15 22119 Los Angeles Glendora Ridge Rd., 7 km southwest of Baldy Rd., San Gabriel Mtns. 1410 Comment
  RSA517113  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross 1990-5-14 2468 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1049 Comment
  UC1862364  Arctostaphylos glandulosa subsp. glaucomollis T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-27 3860 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: N slope, between Cow Spring Canyon and Horse Camp Canyon; Elevation 4390-5150 feet. T8N R17W SE 1/4 SW 1/4 sect 35; and T7N R17W NE 1/4 NW 1/4 sect 2. Comment
  CAS-BOT-BC24695  Arctostaphylos glandulosa subsp. mollis Roxana S. Ferris 1941-3-10 10325 B Los Angeles First Tributary in Pico Canyon, Santa Susana Mts., near U.S. Highway #99. 411 Comment
  POM367277  Arctostaphylos glandulosa subsp. mollis I. W. Clokey, B. C. Templeton 1929-04 4452 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  RSA626722  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25167 Los Angeles Shortcut, Angeles Crest Hwy. 1430 Comment
  RSA631200  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21975 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  RSA721289  Arctostaphylos glandulosa subsp. mollis R. G. Swinney 1998-3-14 5905 Los Angeles Potato Mtn. NW of Upland 1043 Comment
  CAS-BOT-BC39301  Arctostaphylos glauca Peter H. Raven; Henry J. Thompson 1959-2-25 13813 Los Angeles Santa Monica Mountains, Saddle Peak, rocky outcrop just east of summit. 807 Comment
  CHSC35512  Arctostaphylos glauca James Henrickson 1979-5-23 18169 Los Angeles Ca 7 air miles N of Newhall in Dry Canyon; S of Dry Canyon Reservoir. 426 Comment
  RSA367290  Arctostaphylos glauca Elbert Benjamine 1929-2-10 8454 Los Angeles Arroyo Seco, above Pasadena 914 Comment
  RSA631583  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15627 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631610  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15640 Los Angeles Aliso Canyon Road, 4 km northwest of Angeles Forest Highway. 1050 Comment
  RSA631688  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-27 15776 Los Angeles Santa Clara Divide Road (3N17), 6-7 km off Sand Canyon Road. 1000 Comment
  RSA631695  Arctostaphylos glauca Raymond J. Dobbs 1927-2-3 938 Los Angeles Switzers. 945 Comment
  RSA631708  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15678 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  RSA756172  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-4 2337 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 53 per TRTP survey; 2008) 1220 Comment
  RSA634686  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20329 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634706  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20600 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634844  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20509 Los Angeles Chilao heliport, San Gabriel Mtns. 1600 Comment
  RSA634887  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20448 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA634910  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-10-11 22049 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on side road to Pacifico Mountain. 2000 Comment
  RSA635103  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20450 Los Angeles Road to Sulphur Springs Campground, 1.7 km north of dirt road to Pacifico Mtn., north of Chilao.Hwy 79, 4 km southeast of Julian, northwestern Laguna Mtns. 1600 Comment
  RSA635109  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20439 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635112  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20418 Los Angeles Road to Sulphur Springs Campground, 0.2 km north of dirt road to Pacifico Mtn., north of Chilao, San Gabriel Mtns. 1650 Comment
  RSA635275  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20638 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA773295  Arenaria macradenia R. G. Swinney 2009-6-24 11282 Los Angeles Pacifico Mountain Road, 1 mile east of Angeles Forest Hwy at Mill Creek Summit 1604 Comment
  RSA0088831  Argemone munita Bonnie C. Templeton 1930-4-8 s.n. Los Angeles San Francesqueto [Francisquito] Canyon. Comment
  UCR223770  Argemone munita R. G. Swinney 2009-6-17 11189 Los Angeles Transverse Range; San Gabriel Mtns., ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 Comment
  UCSB2121  Argemone munita Wedberg, H. 1958-7-3 Los Angeles Crystal Lake, San Gabriel Mtns. Comment
  CAS-BOT-BC84973  Artemisia californica L. R. Abrams 1916-10-31 6374 Los Angeles Cahuenga pass Comment
  POM306250  Artemisia californica Henry J. Ramsey, Henry J. Ramsey 1939-1-1 I 370 Los Angeles Eaton Canyon, Altadena. Comment
  RSA417242  Artemisia californica Robert Gustafson 1980-9-16 1900 Los Angeles Ballona Wetlands, Area 1. Comment
  SFV3694  Artemisia californica K. A. Wilson 1963-10-26 1314 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 0.5 miles northwest of Topanga Canyon Blvd. 245 Comment
  RSA0098360  Artemisia douglasiana R. G. Swinney 2011-11-1 15963 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. 634 Comment
  RSA754207  Artemisia douglasiana Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1785 Los Angeles San Gabriel River Watershed; at first road intersection beyond the ranger station near house site. 463 Comment
  CAS-BOT-BC90352  Artemisia douglasiana L. A. Greata 1900-9-16 s.n. Los Angeles near L.A. River Comment
  RSA762881  Artemisia dracunculus R. G. Swinney 2008-10-10 9576 Los Angeles Sulphur Spring Campground area, South Fork Little Rock Creek. 1585 Comment
  UCR133736  Artemisia dracunculus F. R. Fosberg 1931-7-11 S- 5384 Los Angeles Channel Islands, Cape Canyon, Santa Catalina Island 230 Comment
  RSA191633  Artemisia dracunculus R. F. Thorne, M. Z. Thorne 1966-8-29 36592 Los Angeles San Gabriel Mts; Angeles National Forest: sunny, small, dry depression south of Crystal Lake 1722 Comment
  JEPS36952  Artemisia ludoviciana subsp. incompta Joseph Andorfer Ewan 1936-8-9 10020 Los Angeles s end Blue Ridge (Guffy's Spring); San Gabriel Mountains 2560 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
  RSA239442  Artemisia nesiotica E. R. Blakley 1961-4-12 4082 Los Angeles San Clemente Island: small canyon southeast of triangulation point 'Port' (outlet from camp waste water) 106 Comment
  SEINET5712694  Artemisia pycnocephala Elizabeth M. Harris 1988-1 753 Los Angeles Rancho Santa Ana Botanic Gardens in Claremont.; Rancho Santa Ana Botanic Garden Comment
  RSA587410  Artemisia tridentata subsp. parishii Orlando Mistretta 1995-4-5 1592 Los Angeles Drainage west of Little Rock Creek Reservoir. 1006 Comment
  OBI70309  Artemisia tridentata subsp. tridentata Louis C. Wheeler 1966-10-1 8953 Los Angeles San Gabriel mtns: West Fork coldwater Canyon 0.3 mi W of colby Ranch. 1250 Comment
  SD251175  Artemisia tridentata subsp. vaseyana Jane Tirrell, Graham Bothwell 2012-9-14 LS 173 Los Angeles Transverse Ranges: San Gabriel Mountains region: South side California State Route 2 at turnout by Big Rock Creek drainage, ca. 1.5 mile west of Dawson Saddle. 2312 Comment
  RSA0091823  Arundo donax Bonnie C. Templeton 1967-7-23 10180 Los Angeles Whitney Canyon. Comment
  POM18074  Asclepias californica P. A. Munz 1923-5-26 6852 Los Angeles San Gabriel Mts., Hunt Canyon 3 mi E of Vincent 2012 Comment
  RSA588922  Asclepias californica T. S. Ross, Steve D. Boyd, Peter Fritsch 1990-6-8 2929 Los Angeles Upper Big Tujunga Canyon: ridge and slopes descending +/-ENE from THORN (Triangulation Point 5499-ft) toward Big Tujunga Creek (about 0.6-1.6 air miles ENE of Barley Flats). 1250 Comment
  RSA0117685  Asclepias eriocarpa Lyman Benson 1951-6-21 14787 Los Angeles Claremont - Wash P.C. [Pomona College; Thorne's comment on location] Comment
  SBBG58635  Asclepias erosa R. Hoffmann 1928-7-8 Los Angeles Fairmont Comment
  POM3650  Asclepias fascicularis Minnie Reed 1895-8-17 s.n. Los Angeles Pomona, Los Angeles County Comment
  RSA527698  Asclepias fascicularis Tim Ross, Annette Ross 1991-6-3 5522 Los Angeles Elecphent Hill: west Pomona. 232 Comment
  RSA0104712  Asclepias vestita W. Wisura 2001-4-30 5157 Los Angeles Western Mojave Desert: Just N. of Bob's Gap. Comment
  UCR197790  Asclepias vestita subsp. parishii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 85 Los Angeles Transverse Ranges; San Gabriel Mountains, south edge of Bob's Gap, on slopes and roadside, and down in the wash 1433 Comment
  CATA3474  Asparagus asparagoides Michael Thomas, Benjamin Dion, Nathalie Cartan 2017-9-18 001 Los Angeles Santa Catalina Island: Interior; under cedar tree downslope (west) of the Fox Hospital in Quail Valley 168 Comment
  SBBG106904  Asparagus asparagoides M. L. Hoefs, R. F. Thorne 1995-7-26 2464 Los Angeles Middle Cyn, across from Squaw Valley residence 176 Comment
  LA3681  Aspidotis californica Carl Epling; Lincoln Ellison 1966-3-30 sn Los Angeles SANTA MONICA MOUNTAINS, Topango Canyon Comment
  POM8494  Aspidotis californica P. A. Munz, R. D. Harwood 1920-4-21 3713 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  UC1349372  Aspidotis californica Robert F. Thorne 1966-4-28 36211 Los Angeles mine shaft above upper end of Renton Mine rd Pebbly Beach Canyon; Santa Catalina Isl, Pebbly Beach Canyon 274 Comment
  RSA741560  Aster greatae Justin M. Wood 2008-11-21 245 Los Angeles 1.5 air miles NE of Big Tujunga Dam where Fall Creek crosses ANF Road (3N27). 800 Comment
  UCR201832  Aster greatae Scott D. White, Chris Huntley 2008-9-30 12546 Los Angeles San Gabriel Mountains, San Gabriel River, west fork between Bear Creek and Cogswell Dam 610 Comment
  LA35990  Astragalus brauntonii Peter H. Raven; Henry J. Thompson 1960-5-16 15382 Los Angeles Santa Monica Mountains, ridge east of Temescal Canyon, along fire-break 243 Comment
  NY621863  Astragalus brauntonii G. T. Hastings 1942-6-9 s.n. Los Angeles This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SD111575  Astragalus douglasii Wayne P. Armstrong 1982-7-17 Los Angeles Along road to Table Mountain, northwest of Big Pines, near summit. 2255 Comment
  UCR213384  Astragalus gambelianus Dan S. Cooper 2010-4-9 20100409- 28 A Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Royce Canyon in Griffith Park 270 Comment
  POM49667  Astragalus lentiginosus var. albifolius A. D. E. Elmer 1902-06 3627 Los Angeles Lancaster. Comment
  UCR18027  Astragalus leucolobus George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain 1982 Comment
  RSA598385  Astragalus miguelensis J. P. Rebman, Jonathan Dunn 1996-4-29 3103 Los Angeles San Clemente Island: Eel Cove and Eel Cove canyon on west side of island. 10 Comment
  RSA194016  Astragalus nevinii R. M. Beauchamp 1967-3-19 322 Los Angeles San Clemente Island, along beach at West Cove Comment
  UCR58306  Astragalus trichopodus J. A. Adams 1963-4-25 11 Los Angeles San Jose Hills, Diamond Bar Ranch. 305 Comment
  RSA545260  Astragalus trichopodus var. lonchus D. Propst, Mark Hoefs 1973-3-3 13 Los Angeles Santa Catalina Island: East Side of Mt. Black Jack 304 Comment
  UC483366  Astragalus trichopodus var. lonchus L. R. Abrams and I. L. Wiggins 1931-7-4 336 Los Angeles White's Landing Channel Islands, , White's Landing (Santa Catalina Island) Comment
  UC862878  Astragalus trichopodus var. lonchus Carl B. Wolf 1932-5-9 3433 Los Angeles on road to Pebbly Beach 1/2 mi from Avalon (Santa Catalina Island); , 1/2 mi fr Avalon 7 Comment
  SD69683  Astragalus trichopodus var. lonchus Robert F. Thorne, P. Everett 1965-6-23 34979 Los Angeles Santa Catalina Island at Hay Press Reservoir 410 Comment
  UCR253905  Astragalus trichopodus var. phoxus Mitch Provance 2009-6-24 0609- 3 Los Angeles Western Transverse Range, about 5 miles SE of Pyramid Lake , c. 0.5 mi. SE of Whitaker Summit on Golden State Highway, adjacent to I-5 820 Comment
  CAS-BOT-BC200835  Astragalus trichopodus var. trichopodus Marcus E. Jones 1924-4-25 s.n. Los Angeles Brea Canyon Comment
  UCR162062  Atriplex Mike Misenhelter 2005-10-5 s.n. Los Angeles Los Angeles Basin, Carson, old landfill site SE of intersection of 110 (Harbor) and 405 (San Diego) freeways, west side of Dominguez Channel and 405, east of Main St. 12 Comment
  SBBG65362  Atriplex argentea var. expansa R. Hoffmann 1927-6-14 Los Angeles Neenach Comment
  SD53052  Atriplex argentea var. expansa Peter H. Raven 1962-7-10 17964 Los Angeles San Clemente Island; summit of island above Wilson Cove. 135 Comment
  UC110235  Atriplex californica T. S. Brandegee 1894-8-25 Los Angeles San Clemente Island Comment
  UC729766  Atriplex californica Carl B. Wolf 1932-5-12 3601 Los Angeles between Little Harbor and Cottonwood Creek (Santa Catalina Island, edge of rapidly drying pond); Santa Catalina Island, bet Little Harbor, Cottonwood Creek 45 Comment
  UCSB27634  Atriplex canescens Lavinger, S. 1975-12-1 Los Angeles Lake Hughes Road, 3.5 miles north from its junction with Ridge Route Road 457 Comment
  SBBG65413  Atriplex canescens R. Hoffmann 1928-7-9 Los Angeles near "Robbins Cyn", Antelope Valley Comment
  SD258913  Atriplex confertifolia Sarah J. De Groot 2005-5-19 4978 Los Angeles Antelope Valley, along Avenue G between 30th and 40th Streets 701 Comment
  UCR94693  Atriplex confertifolia A. C. Sanders, E. J. Lott 1993-5-6 13957 Los Angeles Western Mojave Desert, 13 miles north of Palmdale, Sierra Hwy at Ave 'F 701 Comment
  SBBG131816  Atriplex coulteri S. A. Junak, B. Collins 1991-4-24 SCI 203 Los Angeles S side of Eel Cove Cyn 91 Comment
  SBBG98641  Atriplex leucophylla T. Ross, O. Mistretta, M. Hammitt 1991-5-17 5088 Los Angeles coastal terrace at West Cove, SW of new landing field 6 Comment
  UC110278  Atriplex leucophylla Katharine Brandegee 1893-10-15 Los Angeles Redondo Comment
  RSA478312  Atriplex leucophylla F. R. Fosberg 1930-7-7 S- 3172 Los Angeles Alamitos Bay 4 Comment
  CAS-BOT-BC180916  Atriplex pacifica Alice Eastwood 1906-6-2 182 Los Angeles San Pedro Comment
  SBBG105331  Atriplex pacifica H. L. Ferguson 1981-4-10 221 Los Angeles just S of Eel Pt on first exposed terrace 3 Comment
  SBBG72586  Atriplex rosea R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  SBBG12202  Atriplex semibaccata P. H. Raven 1962-7-10 17948 Los Angeles near W shore of island W of Wall 2 Comment
  UCR213295  Atriplex semibaccata A. C. Sanders 2010-5-7 38330 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 3 Comment
  SBBG65402  Atriplex serenana var. serenana R. Hoffmann 1927-8-30 Los Angeles W of Castaic Comment
  RSA177736  Atriplex subspicata R. F. Thorne, P. Everett 1965-5-11 s.n. Los Angeles Santa Catalina Island, Little Harbor. 2 Comment
  RSA453977  Atriplex watsonii M. B. Dunkle 1939-4-5 7274 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  SEINET3919639  Avena barbata L. M. Prince 2002-3-25 02 -277 Los Angeles Claremont. Vacant lot behind gas station on Claremont Ave. just north of Foothill Blvd.; 0 400 Comment
  UCR126873  Avena fatua A. C. Sanders, Tricia Wotipka, Mark A. Elvin & others 2003-4-28 26142 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam 518 Comment
  RSA710386  Avena sativa LeRoy Gross 2005-5-3 2185 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, than back to 34.47336N, 117.86053W. 1085 Comment
  SEINET2473453 Image available Avena sativa Richard G. Swinney 2009-1 10377 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills; Duarte, lower Van Tassel fire road, Van Tassel Canyon 439 Comment
  CAS-BOT-BC68353  Azolla filiculoides Michael R. Benedict 1970-6-27 s.n. Los Angeles Santa Catalina Island - Lower Cape Canyon, stream under large wooden bridge. Comment
  IRVC27022  Baccharis emoryi Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2996 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  POM350394  Baccharis pilularis M. B. Dunkle 1928-10-17 2021 Los Angeles Howland's Landing, Santa Catalina Island. Comment
  RSA598662  Baccharis salicifolia L. C. Wheeler 1966-11-19 9132 Los Angeles San Gabriel Mountains. Tunnel Bypass, 1/4 mi. upstream from Dutch Louie Camp, Pacoima Canyon. 716 Comment
  UCR212824  Baccharis salicifolia Ellen Mackey, Blake Whittington 2006-10-26 NFWF- 1835 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River near Rincon Ranger Station [off Hwy 39] 451 Comment
  UCR273438  Baccharis salicifolia R. G. Swinney 2011-10-25 15856 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-BC99898  Baileya multiradiata Sherwin Carlquist 1952-8-21 323 Los Angeles Huntington Drive at West Drive, San Marino Comment
  RSA786890  Bellis perennis Doris Bowers 1957-3-6 534 Los Angeles LaVerne College lawn (University of LaVerne) 457 Comment
  CAS-BOT-BC75763  Berberis nevinii Charles Darland 1933-1-1 s.n. Los Angeles San Gabriel Mountains. Pacoima Wash near San Fernando. 365 Comment
  UCSB12452  Berberis pinnata subsp. pinnata Haines, A. 1962-3-25 Los Angeles Old Topanga Canyon, Santa Monica Mountains 243 Comment
  IRVC27300  Beta vulgaris A. C. Sanders, Mark Elvin 2003-8-7 27158 Los Angeles Newhall Ranch, Santa Clara River bottom east of Del Valle NE end of Santa Susana Mtns. 282 Comment
  SBBG60901  Bidens pilosa M. N. Ackley 1928-2-12 229 Los Angeles Eaton Wash 365 Comment
  UCR219322  Bidens pilosa Lorraine Weller 2010-7-20 072010- 01 Los Angeles Los Angeles, Koreatown area, Francis Ave. Community Garden, 2902 Francis Ave. 69 Comment
  RSA683190  Bidens pilosa var. pilosa Scott D. White 2003-10-14 9829 Los Angeles Foothills above Sierra Madre; LA Dept. of Public Works 'Auburn' debris basin, above the north terminus of Auburn Ave. (Mt. Wilson) 396 Comment
  RSA678214  Bituminaria bituminosa Valerie L. Soza, LeRoy Gross 2001-4-18 1140 Los Angeles Santa Anita 1999 Fire area, between Little Santa Anita and Santa Anita Canyons, north side of Santa Anita Canyon Road. 396 Comment
  UC1929857  Bloomeria crocea Michael Honer, Dylan Hannon 2003-7-1 1839 Los Angeles LIEBRE MTS: Tapia Canyon area, ca. 2 - 3 air miles west of I-5 Freeway jtn. with Ridge Rt. Rd. Comment
  RSA640806  Bloomeria crocea L. C. Wheeler 1931-4-10 s.n. Los Angeles Pomona: Ganesha Hills. . Comment
  CAS-BOT-BC482132  Bloomeria crocea var. montana Timothy S. Ross; Steve Boyd 1994-6-23 8061 Los Angeles Sawmill Mountain: N slope ca 330 m to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1493 Comment
  RSA0129392  Boechera xylopoda R. G. Swinney 1998-6-12 6961 Los Angeles San Gabriel Mtns.: 3 miles west of Pinion Hills, 2.1 mi. south of Ft. Tejon Rd. at 237th St. East (Mescal Cyn. Rd.), 0.7 mi. NE of mouth of Mescal Canyon at reservoir, between Mescal Cyn. Rd. and Mescal Creek. 1378 Comment
  CAS-BOT-BC30968  Bolboschoenus maritimus Ellsworth Bethel 1916-8-1 s.n. Los Angeles Long Beach. Comment
  UCR229214  Bolboschoenus maritimus subsp. paludosus R. G. Swinney 2005-8-3 8358 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Debris Basin 341 Comment
  POM1032  Bothriochloa barbinodis P. A. Munz 1918-4-11 2055 Los Angeles Lone Hill near Glendora Comment
  SEINET3480987  Bougainvillea spectabilis Unknown 1939-7-10 120 Los Angeles Los Angeles, Los Angeles Comment
  OBI9012  Bowlesia incana Robert J. Rodin 1953-5-2 5814 Los Angeles Catalina Island. Cyn behind Whites Cove Comment
  UCR195295  Bowlesia incana Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-26 1183 Los Angeles Transverse Ranges: Verdugo Mountains Region, northwestern edge of Verdugo Mountains, north of La Tuna Canyon, near junction of Green Verdugo fire road from 210 Fwy and road to Green Verdugo Reservoir 473 Comment
  RSA233415  Bowlesia incana R. F. Thorne 1966-4-15 36004 Los Angeles San Clemente Island. 2/3 mile SSE of Eel Point (and N of seal Cove), SW side of island. 46 Comment
  CAS-BOT-BC420336  Boykinia rotundifolia Tim Ross; Walter Appleby 1993-6-7 7368 Los Angeles W end of the San Gabriel Mtns: Los Pinetos Spring 886 Comment
  RSA679290  Boykinia rotundifolia Mark Elvin, Anne Marie Ruff 1996-8-1 298 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 1.8 mi from gate. South side. Comment
  CATA1081  Brachypodium distachyon Mark L. Hoefs 1995-5-16 2031 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  UCR159956  Brassica fruticulosa Valerie Soza, Steve Boyd, G. D. Wallace 2000-3-28 654 a Los Angeles San Gabriel Mtns, south side: Cobal Canyon, Claremont Hills Wilderness Park, at junction of main fire road and Thompson Creek 518 Comment
  UCR242920  Brassica geniculata R. G. Swinney 2009-8-6 11514 Los Angeles Transverse Range; San Gabriel Mountains, Lodi Canyon Falls, first major waterfall up canyon from confluence with San Dimas Canyon, San Dimas Experimental Forest 476 Comment
  UCR159809  Brassica nigra Phillip Robinson 1991-5-9 351 Los Angeles Los Angeles Basin region; San Gabriel Valley, Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd. & Workman Mill. 0.5 miles east of Workman Mill on trail into canyon. [City of Industry, SW of Rio Hondo College, east of 605 Fwy] Comment
  RSA482916  Brassica rapa Jennie Alberts 1884-5-3 s.n. Los Angeles University Campus, West Los Angeles. Comment
  CAS-BOT-BC100421  Brickellia californica F. Grinnell Jr. 1917-9-2 s.n. Los Angeles Pine Flat near Mt. Islip, San Gabriel Mountains Comment
  JEPS18776  Brickellia californica Frank W. Peirson 1918-10-21 221 b Los Angeles West Fork San Gabriel River San Gabriel Mountains, West Fork San Gabriel River 1066 Comment
  LA31693  Brickellia californica Peter H. Raven; Henry J. Thompson 1959-10-31 14725 Los Angeles Santa Monica Mountains, Mandeville Canyon, 5.8(?) mi N of Sunset Blvd 365 Comment
  RSA589096  Brickellia californica Orlando Mistretta 1994-9-13 1461 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 Comment
  UCR172451  Brickellia longifolia Anuja Parikh, Nathan Gale 2005-7-5 2124 Los Angeles Santa Susana Mtns., Newhall Ranch, slopes south of upper Potrero Canyon, south of Santa Clara River c. 2 mi. east of the Ventura Co. line, study area 19 396 Comment
  CAS-BOT-BC106148  Brickellia nevinii Fordyce Grinnell 1915-9-5 s.n. Los Angeles Echo Mts. - San Gabriel Mts. Comment
  SBBG66104  Brickellia nevinii R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  SEINET11861394  Brickellia nevinii J. F. Bright, Wyman, C. 1931-8-15 5687 Los Angeles around Hollywood Comment
  SBBG128217  Briza minor M. L. Hoefs, S. A. Junak 2003-5-5 3212 Los Angeles near rd between Cherry Valley and Howlands Landing 30 Comment
  LA201501  Brodiaea terrestris subsp. kernensis Arthur C. Gibson; 2003-4-25 4855 Los Angeles Santa Monica Mountains, near the village of Topanga Comment
  RSA545167  Bromus arizonicus Timothy S. Ross 1992-4-14 6190 Los Angeles San Clemente Island: 20-40 meters ENE of the intersection of the new Lemon Tank Road and main N-S island access road 340 Comment
  LA82511  Bromus arizonicus O. H. Kappler; 1943-4-28 719 Los Angeles SANTA MONICA MOUNTAINS, Beverly Glen Blvd at junction with Mulholland Drive. 518 Comment
  RSA679049  Bromus berteroanus Valerie L. Soza, LeRoy Gross 2002-5-8 1455 Los Angeles Southwest side of Deer summit ('3599'), ridge between Dry Canyon and Haskell Canyon. Stables Fire 2001 area. 1052 Comment
  POM50850  Bromus carinatus Le Roy Abrams 1901-04 1395 Los Angeles Monte Vista. Comment
  RSA157782  Bromus carinatus P. H. Raven 1962-5-8 17623 Los Angeles Slopes above Seal Cove, San Clemente Island 38 Comment
  RSA385307  Bromus carinatus Anonymous 1914-6-29 s.n. Los Angeles Inglewood. Comment
  UC1595318  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1990-6-18 3489 Los Angeles northerly to Jackson Lake (Camp Verdugo Pines and vicinity); San Gabriel Mountains, Camp Verdugo Pines 1877 Comment
  CATA685  Bromus diandrus Mark L. Hoefs 1991-4-26 1176 Los Angeles Santa Catalina Island: Bluff southeast of Pebbly Beach, between Edison power plant and City dump 88 Comment
  CATA863  Bromus diandrus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1672 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA715122  Bromus diandrus Daisie Huang 2006-3-9 60309 -2 Los Angeles Vacant lot on Huntington Dr. east of Highland Ave., Duarte, CA. Sunny flat. 165 Comment
  UCR184214  Bromus diandrus A. C. Sanders 2007-4-19 33441 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  CDA1823  Bromus diandrus Phillipson 1914-1 Los Angeles 0 Comment
  RSA660798  Bromus grandis LeRoy Gross, Valerie Soza 2001-6-6 430 Los Angeles Verdugo Mountains, north side; Hostetter Mountain Way, off of La Tuna Canyon Road. 671 Comment
  LA103556  Bromus hordeaceus Barry A. Prigge; 1986-3-29 7150 Los Angeles San Gabriel Mountains, Soledad Canyon, Santa Clara River at Lang Station Road 518 Comment
  UCR190728  Bromus hordeaceus R. G. Swinney 1990-3-24 1552 Los Angeles Los Angeles Basin, South Hills, a ridge on the south side of the city of Glendora. Within 250 yards of east end of Fawn Valley Road, near railroad tracks 274 Comment
  UCR205123  Bromus hordeaceus R. G. Swinney 2008-4-17 8685 Los Angeles San Gabriel Mtns., San Dimas, ridge between Sycamore and Shay canyons 497 Comment
  UCR208023  Bromus hordeaceus F. R. Fosberg 1931-4-4 S- 4493 Los Angeles Channel Islands, Santa Catalina Island, Cherry Canyon 60 Comment
  SEINET269295 Image available Bromus madritensis Scott D. White, Chet McGaugh 1995-5-9 3024 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando Road and I-5 Fwy, just SW of interchange w/SR 14 Fwy. 457 Comment
  SBBG31228  Bromus pseudolaevipes R. F. Thorne with P. C. Everett 1965-6-23 34999 Los Angeles mouth of Hamilton Cyn, NW of Avalon 7 Comment
  UCD59295  Bromus pseudolaevipes Robert F. Thorne 1966-6-1 36453 Los Angeles Santa Catalina Island. Along Pebbly Beach Drive SE of Avalon. 7 Comment
  CAS-BOT-BC161866  Bromus rubens G. B. Grant 1900-3-28 s.n. Los Angeles Avalon. Comment
  POM363927  Bromus rubens E. S. Spalding 1926-8-13 s.n. Los Angeles Monrovia Canyon [San Gabriel Mountains] Comment
  RSA764751  Bromus rubens Doris Hoover Bowers 1957-5-12 575 Los Angeles Arroyo Seco, Pasadena 457 Comment
  UCR217307  Bromus rubens R. G. Swinney 2009-3-10 10079 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  CDA1848  Bromus sterilis L. C. Wheeler 1973-5-6 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains region; San Gabriel Mountains: Sand Canyon at Bear Canyon. Elev. 2000 . Comment
  IRVC26335  Bromus sterilis A. C. Sanders, Andy Thompson 2003-4-15 25993 Los Angeles Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park NE end of Santa Susana Mtns. 396 Comment
  RSA0019999  Bromus tectorum Harold Mosher 1948-4-4 s.n. Los Angeles Along the road north of Palmdale. Four miles north of Palmdale. 609 Comment
  SEINET3840848  Bromus tectorum Unknown 1968-4-17 Los Angeles San Gabriel Mountains 1150 Comment
  CDA1855  Bromus trinii L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; near the mouth, east side little Tujunga. Near BM. 1227. Comment
  UCR177925  Buddleja asiatica LeRoy Gross 2001-5-28 410 Los Angeles Los Angeles Basin region, Verdugo Mountains, south side; Start from dead end street Mesa Lila Road, in city of Verdugo City. Climb ridge between Henderson and Engleheard Canyons to main crest, then went a short distance down Brand Park Mountain Way from Verdugo Mountain Way 854 Comment
  RSA0116265  Calandrinia ciliata A. C. Sanders, T. B. Salvato, Aaron Keller 2006-3-22 31952 Los Angeles Tehachapi Mtns. Foothills: south side of Oso Canyon, 1/2 mile above the National Cement Plant Rd., 1.2 mi. north of Quail Lake. 1006 Comment
  RSA251533  Callitriche marginata R. F. Thorne 1973-4-11 42802 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  CAS-BOT-BC80412  Calocedrus decurrens Timothy S. Ross; Steve Boyd 1994-9-21 8319 Los Angeles Sandberg: 150-170 m SSE of town along the Old Ridge Route 1277 Comment
  LA6442  Calocedrus decurrens Carl Epling; October 1926 sn Los Angeles San Gabriel Mountains, Manker Flats [near Mt Baldy] Comment
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Nov 6 2014
  RSA785914  Calochortus albus K. Dobry 1992-4-9 327 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  UCR194070  Calochortus albus R. G. Swinney, Dave Larson 1999-5-29 7216 Los Angeles San Gabriel Mtns., San Dimas Canyon, main fork c. 100 m north of confluence with East Fork 549 Comment
  RSA377306  Calochortus catalinae M. B. Dunkle 1933-4-19 3324 Los Angeles Palos Verde Hills. Comment
  LA200917  Calochortus clavatus Jonathan Sauer; William Bond 1983-5-15 6252 Los Angeles SANTA MONICA MOUNTAINS, Stokes Canyon Comment
  UCR88524  Calochortus clavatus var. gracilis Scott D. White, Chet McGaugh 1995-5-16 3074 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  RSA264161  Calochortus invenustus Walter Wisura 1977-6-17 3675 Los Angeles Big Pine to Blue Ridge trail. Comment
  UCR43358  Calochortus invenustus David Charlton 1986-6-15 233 Los Angeles San Gabriel Mtns, Lightning [=Blue?] Ridge at the intersection of Forest Rd. 3N06 and Angeles Crest Hwy, c. 4 mi NW of the San Bernardino Co. line and 5 mi NW of Wrightwood 2256 Comment
  RSA377434  Calochortus splendens H. E. Hasse 2753 Los Angeles Catalina Island. Comment
  SBBG57741  Calochortus striatus R. Hoffmann 1930-4-28 Los Angeles Lancaster 711 Comment
  RSA599754  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9773 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA603910  Calochortus venustus Louis C. Wheeler 1975-6-8 s.n. Los Angeles San Gabriel Mountains: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  UC1929306  Calochortus weedii var. intermedius Scott D. White, Justin Wood 2008-6-4 12056 Los Angeles Puente Hills; NW of Turnbull Canyon. SCE powerline corridor at tower 27 and adjacent access road. 348 Comment
  RSA725180  Calycoseris parryi Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -96 Los Angeles Bob's Gap. At the South edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  SBBG69699  Calyptridium monandrum M. N. Ackley 1926-5-8 777 Los Angeles Little Rock 914 Comment
  UCR216916  Calystegia macrostegia R. G. Swinney 2009-3-16 10122 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 400 m NE of River Bike Path parking lot at Hwy 39 227 Comment
  UCR282588  Calystegia macrostegia Dan S. Cooper 2017-5-25 517- 35 Los Angeles Los Angeles River at Newell St. 100 Comment
  SBBG105391  Calystegia macrostegia subsp. amplissima R. M. Beauchamp 1976-5-22 4119 Los Angeles debris on N side of cyn below Lemon Tank Comment
  SBBG37783  Calystegia macrostegia subsp. amplissima R. Moran 1941-2-19 593 Los Angeles Middle Ranch 500 Comment
  LA50079  Calystegia macrostegia subsp. cyclostegia Goerge R Smart; 1952-6-29 14 Los Angeles Santa Monica Mountains, Latigo Canyon, W slope of canyon on road cut at E side of road 304 Comment
  SD21262  Calystegia macrostegia subsp. cyclostegia Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Santa Catalina Island. Comment
  POM147454  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA529301  Calystegia macrostegia subsp. intermedia Tim Ross 1991-4-8 4466 Los Angeles Elephant Hill; western Pomona. 229 Comment
  RSA646093  Calystegia occidentalis subsp. fulcrata Orlando Mistretta 1993-6-2 853 Los Angeles San Gabriel Mountains: Vicinity of Mt. Baden Powell. Near Vincent Gap above Vincent Gulch. 2011 Comment
  SFV2828  Calystegia occidentalis subsp. fulcrata P. G. Kilburn 1958-6-18 837 Los Angeles San Gabriel Mountains Angeles Crest Highway near Big Pines. 0.8 miles southeast of Highway on gravel road. 2226 Comment
  UCR125156  Calystegia peirsonii A. C. Sanders, Mark Elvin 2002-6-18 25119 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, hills southwest and west of Magic Mountain amusement park, within 1 mile of park 457 Comment
  UCR155142  Calystegia peirsonii A. C. Sanders 2005-5-5 29945 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  UC557671  Calystegia soldanella Nell Murbarger May, 1936 209 Los Angeles extreme n end San Clemente Island; extreme n end San Clemente Island Comment
  RSA0098640  Camissonia californica R. G. Swinney 2010-5-11 12688 Los Angeles San Gabriel Mountains: 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
  RSA517848  Camissonia campestris subsp. campestris Steve Boyd 1986-3-30 1496 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA517119  Camissonia hirtella Tim S. Ross, Steve D. Boyd 1990-5-14 2474 Los Angeles San Gabriel Mountains: Yerba Buena Ridge, Angeles National Forest, Tujunga Ranger District. 1015 Comment
  RSA597040  Camissonia hirtella Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter W. Fritsch 1990-6-25 3840 Los Angeles Easterly and southeasterly slopes to the SW of Crystal Lake. 1726 Comment
  RSA562541  Camissonia hirtella Steve Boyd, Orlando Mistretta 1993-4-23 8005 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of the Forest, upper portion of ridge on southern side of Whitney Canyon. 731 Comment
  RSA567168  Camissonia intermedia Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3906 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR188660  Camissonia micrantha R. G. Swinney 1990-3-24 1562 Los Angeles Los Angeles Basin, South Hills Park, Glendora Centennial Heritage Park, in the city of Glendora, south of Big Dalton Channel 238 Comment
  RSA9901  Camissonia micrantha Fay A. MacFadden 1931-04 3054 Los Angeles Verdugo Mountains: La Tuna Canyon. Comment
  RSA587035  Camissonia pallida subsp. pallida Orlando Mistretta, Mark A. Elvin 1995-5-10 1698 F Los Angeles San Gabriel Mountains, Bare Mountain Canyon, West Fork, 1540 Comment
  SDSU3316  Camissoniopsis bistorta H. Wedberg 1957-4-6 Los Angeles Point Dume, 74.8 Comment
  UC1595354  Camissoniopsis bistorta Tim Ross 1992-5-17 6351 Los Angeles 164 deg sse and ca 555 m distant from mouth of Shoemaker Canyon; San Gabriel Mountains, E Fork of the San Gabriel River 646 Comment
  UCD103418  Camissoniopsis bistorta Gerald Dickinson 1962-4-1 5 Los Angeles Vanowen and Coldwater Canyon, San Fernando Valley. 232 Comment
  CAS-BOT-BC160445  Camissoniopsis cheiranthifolia subsp. suffruticosa Geo. B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey Comment
  SBBG125881  Camissoniopsis confusa A. Parikh, N. Gale 2010-6-8 3267 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 3.3 km NW of State Hwy 14; E Liebre Mtns 1150 Comment
  SBBG17305  Camissoniopsis intermedia M. Vincent 1962-4-6 163 Los Angeles Old Topanga Cyn Rd, 3 mi S of Ventura Blvd Comment
  RSA0061130  Camissoniopsis pallida subsp. pallida LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6835 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR125427  Capsella bursa-pastoris A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25712 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Grapevine Mesa' c. 1.5 mi. ESE of Del Valle, west side and slopes of adjacent canyon 335 Comment
  UCR177765  Capsella bursa-pastoris LeRoy Gross 2002-3-7 488 Los Angeles Los Angeles Basin; Verdugo Mountains Region, North side; Off La Tuna Canyon Road, Santa Monica Mountains Conservancy Land. South of 210 Freeway. 579 Comment
  CAS-BOT-BC37456  Cardamine californica Ernest Braunton 1903-1-10 789 Los Angeles Arroyo Seco. Comment
  RSA484619  Cardamine californica var. californica E. Crow 1929-2-17 156 Los Angeles mouth of Big Dalton Canyon Comment
  CATA1262  Carduus pycnocephalus Mark L. Hoefs, Douglas R. Hoefs 1995-6-29 2347 Los Angeles Santa Catalina Island: Near junction of Empire Landing Road and road to Two Harbors 207 Comment
  RSA607212  Carex alma L. C. Wheeler 1968-5-31 s.n. Los Angeles Devil's Canyon, Campground vicinity. 1220 Comment
  RSA764353  Carex alma Scott D. White 2004-7-28 10651 Los Angeles Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  SEINET3243184  Carex alma Louis C. Wheeler 1967-1 10266 Los Angeles San Gabriel Mountains. All Trail Canyon, BM 3434 near Tom Lucas campground. 1006 Comment
  RSA762144  Carex globosa Orlando Mistretta, Christine Mistretta 2008-5-15 3060 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  UCR277071  Carex multicaulis R. G. Swinney 2011-6-7 15103 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
  UCR180371  Carex praegracilis Scott D. White, Pam Devries 2006-5-9 11417 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
  RSA230652  Carex schottii Robert F. Thorne 1969-7-9 38560 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines 2088 Comment
  RSA364614  Carex schottii George B. Grant 1904-04 s.n. Los Angeles Pasadena. Comment
  RSA720394  Carex senta R. G. Swinney 1997-7-22 5708 Los Angeles Government Canyon, W of Wrightwood, 0.75 mi W of San Bernardino Co. line at Hwy. 2, Blue Ridge Mountain area 2073 Comment
  RSA729102  Carex senta R. G. Swinney 1999-7-5 7497 Los Angeles San Gabriel Mtns.:head of Cedar Canyon, meadow on north side of Big Pines Hwy, 0.5 mi. west of junction of Hwy 2. 2037 Comment
  RSA720363  Carex spissa LeRoy Gross 2007-3-30 2613 Los Angeles Northeast side of the range. Unnamed canyon or east branch of Engleheard Canyon. Hiked this creek from just off a dirt road near the mouth to a little way up canyon., From 34.20590N, 118.24818W, to 34.20117N, 118.25262W. 404 Comment
  UCR178187  Casimiroa tetrameria LeRoy Gross, Valerie Soza 2003-5-15 917 Los Angeles Transverse Ranges; Verdugo Mountains, Northwest side of mtns, along ridgetop N of La Tuna Canyon Road and south of McDonald Creek, east of Elben Avenue and west of small canyon at the end of Elben Place 1600 Comment
  RSA177855  Castilleja affinis Robert F. Thorne, Percy C. Everett 1965-5-11 34659 Los Angeles Santa Catalina Island, along road from Rancho Escondido to Little Harbor. 122 Comment
  UCR273749  Castilleja affinis R. G. Swinney 2011-6-15 15177 A Los Angeles San Gabriel Mountains, Chilao Flat, Manzanita Campground area, c. 0.7 road mile NW of Angeles Crest Hwy 1585 Comment
  UCR51991  Castilleja affinis Steve Boyd, T. S. Elias 1987-4-14 2042 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  LA52004  Castilleja affinis Carl Epling; Lincoln Ellison 1930-3-28 s.n. Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon Comment
  RSA608308  Castilleja affinis Louis C. Wheeler 1930-5-2 33 Los Angeles Santa Monica Mountains: Mandeville Canyon. Comment
  RSA764940  Castilleja affinis Doris Bowers 1957-5-5 664 Los Angeles San Gabriel Canyon 610 Comment
  OBI69326  Castilleja affinis subsp. affinis John Knapp, Denise Knapp 2003-5-10 67 Los Angeles Catalina Island 274 Comment
  UC1980264  Castilleja applegatei R. G. Swinney 2008-8-13 9403 Los Angeles San Gabriel Mountains: Big Rock Creek, 1.0 mi. east of Fenner Canyon Comment
  UCR175044  Castilleja applegatei Holly Summers 2006-6-4 s.n. Los Angeles San Gabriel Mountains, 2 miles north of Foothill Blvd. on Angeles Crest Highway (Hwy 2), near Brown Canyon 701 Comment
  JEPS5222  Castilleja applegatei subsp. martinii Frank W. Peirson 1921-7-17 2505 Los Angeles Prairie Fork San Gabriel Mountains, San Gabriel River 2011 Comment
  RSA228747  Castilleja applegatei subsp. martinii Wesley O. Griesel 1961-6-1 s.n. Los Angeles State Highway #2 near Valcrest 1829 Comment
  POM50217  Castilleja applegatei subsp. martinii L. R. Abrams 1901-4-3 1293 Los Angeles Santa Monica Mountains. Comment
  SEINET13772892  Castilleja exserta G. B. Grant 1904-5-24 885 Los Angeles Lincoln Park. Comment
  UCR192201  Castilleja exserta A. C. Sanders 2008-4-16 34896 Los Angeles Tehachapi Mtns. Foothills/ W Mojave Desert, west end of Antelope Valley, hills c. 1.25 mi. NE of Quail Lake, c. 0.7 mile north of Hwy 138 1000 Comment
  JEPS10622  Castilleja exserta subsp. exserta Frank W. Peirson 1919-3-27 334 Los Angeles w of Arroyo Seco; San Gabriel Mountains 457 Comment
  RSA400556  Castilleja foliolosa Bonnie C. Templeton, I. W. Clokey 1930-4-18 1059 Los Angeles San Francisquito Canyon, San Gabriel Mts. 274 Comment
  SD84898  Castilleja foliolosa Reid Moran 1941-3-9 689 Los Angeles south-facing hillside, Middle Ranch, Santa Catalina Island 249 Comment
  RSA0114747  Castilleja gleasoni Steve D. Boyd, Lauren Raz 1997-3-31 9437 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA716900  Castilleja gleasoni LeRoy Gross 2006-6-19 2518 Los Angeles Forest Service road survey: Santa Clara Divide. Along road (3N17.6) from North Fork Saddle Station east to near 34.37875, 118.23062. Comment
  UCD168212  Castilleja linariifolia J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR205264  Castilleja linariifolia R. G. Swinney 2005-8-15 8488 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  RSA448658  Castilleja linariifolia Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  RSA330770  Castilleja miniata subsp. miniata Wayne E. Sawyer 1981-8-11 122 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Highway 2 between Dawson Saddle and junction of CA Highway 39, 1.8 miles from Dawson Saddle. 2287 Comment
  RSA0058208  Castilleja minor subsp. spiralis Richard G. Swinney 2010-6-23 13362 Los Angeles San Gabriel Mountains/Verdugo Mountains: Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace. 335 Comment
  RSA570150  Castilleja plagiotoma Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4799 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UCD123034  Castilleja subinclusa subsp. subinclusa Daryl Koutnik; Bruce Holguin 1978-4-1 221 Los Angeles northwest of Palmdale on Elizabeth Lake Road. 914 Comment
  UC1929507  Caulanthus amplexicaulis var. amplexicaulis LeRoy Gross, Duncan Bell 2008-5-27 3424 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; East of Mill Creek, and Angeles Forest Highway. west from the Falcon Mine. Southwest of Mill Creek summit. 1311 Comment
  UC10965  Caulanthus heterophyllus Harley P. Chandler 1897-4-12 Los Angeles Claremont 609 Comment
  CAS-BOT-BC47907  Ceanothus arboreus Huron H. Smith 1912-7-1 5167 Los Angeles Santa Catalina Island - summit 548 Comment
  RSA399159  Ceanothus arboreus Anstruther Davidson 1891-6-20 s.n. Los Angeles Catalina Island Comment
  RSA399015  Ceanothus cuneatus M. B. Dunkle 1936-4-9 4718 Los Angeles San Rafael Valley Comment
  RSA399027  Ceanothus cuneatus var. cuneatus L. E. Hoffman 1933-2-25 s.n. Los Angeles Mint Canyon. Comment
  UC1587568  Ceanothus cuneatus var. cuneatus Tim Ross 1991-9-2 5929 Los Angeles near Mulholland Hwy (Yerba Buena Rd); Santa Monica Mts., Truinfo Pass USGS 7.5' quad Comment
  RSA398573  Ceanothus cyaneus Ruth E. Hammond 1929-04 s.n. Los Angeles Griffith Park Comment
  UC18461  Ceanothus greggii var. vestitus A. Davidson 1892-1 Los Angeles Comment
  RSA399904A  Ceanothus integerrimus Anstruther Davidson 1892-7-12 s.n. Los Angeles Wilson's Peak 1524 Comment
  UCR223278  Ceanothus integerrimus R. G. Swinney 2009-7-29 11443 Los Angeles Transverse Range; San Gabriel Mtns., Pacifico Mountain summit 2172 Comment
  UCSB3914  Ceanothus leucodermis Kamb, Peter 1947-5-25 Los Angeles Millard Canyon near Sunset Ridge guard station, San Gabriel Mts 670 Comment
  RSA399706  Ceanothus megacarpus Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  UCR3984  Ceanothus megacarpus Art Whistler 1965-3-27 s.n. Los Angeles Transverse Range; Santa Susana Mtns., fire road through a canyon about 0.5 mi west of Chatsworth Reservoir in Chatsworth 274 Comment
  RSA583080  Ceanothus megacarpus var. insularis Tim S. Ross 1993-4-22 6888 Los Angeles Santa Catalina Island: SW part of the island in the vicinity of Cactus Peak (1560 ft.); southerly coastal slope of 1320 m SE of Cactus Peak summit. 351 Comment
  SBBG38802  Ceanothus megacarpus var. insularis R. Moran 1941-3-5 697 Los Angeles Salta Verde 350 Comment
  RSA0113443  Ceanothus megacarpus var. insularis Steven A. Junak 1999-5-21 SCa- 995 Los Angeles Santa Catalina Island. Back on E side of Coffee Pot Canyon, just W of road, N facing stream bank. 421 Comment
  RSA399844  Ceanothus megacarpus var. megacarpus Edwin Kline 1923-05 s.n. Los Angeles Bouquet Canyon, Sierra Pelona Mts. Comment
  UCR147802  Ceanothus oliganthus var. oliganthus Valerie Soza, Et al. 2000-6-27 1032 a Los Angeles San Gabriel Mountains, Firebreak above Upper Winter Creek Trail, c. 2 mi NW of Chantry Flat along FSR 2N41.2 N of San Olene Canyon 823 Comment
  SEINET13946037 Image available Ceanothus perplexans Martha P. Creighton 1952-1 461 Los Angeles Juniper Hills, Sima Mesa, Gabriel Mts., 4400 ft alt 1341 Comment
  RSA0040255  Ceanothus spinosus Ora M. Clark 1929-3-24 1784 Los Angeles Santa Susanna Mountains, So. Calif. Comment
  SEINET11736959  Cedrus atlantica Unknown 1946-1 s.n. Los Angeles Pasadena Comment
  CATA1932  Cedrus deodara Amy Catalano, Anne Kelly and Lizz Bailey 2014-10-24 024 Los Angeles Santa Catalina Island: Middle Canyon Road, about 1/8 mile from Pumphouse 2 303 Comment
  RSA702830  Celtis australis Scott D. White 2004-4-23 10233 Los Angeles City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
Read comments
Sep 14 2006
  UC816697  Cenchrus longispinus Louis C. Wheeler 1932-8-6 1123 Los Angeles 2 mi nne Claremont 426 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
  POM351500  Centaurea melitensis H. L. Bauer 1931-6-1 s.n. Los Angeles Santa Monica foothills. Comment
  SEINET3371865  Centaurea melitensis G. Rink 2011-6-1 10565 Los Angeles Next to Highway 57, north of La Brea, weedy place 213 Comment
  UCR255850  Centaurea melitensis R. G. Swinney 2010-5-4 12485 Los Angeles San Gabriel Mountains, north of Sylmar, 0.1 mi. NNE (6 deg. ) of Stetson Debris Basin, at north end of motorway at powerlines, west (250 deg. ) of the debris basin in Sombrero Cyn., 0.4 miles north of I-210 Fwy. 488 Comment
  SEINET9294580  Centaurea melitensis Unknown 2002-5-7 1253287 Los Angeles Los Angeles Comment
  LA200177  Centaurea solstitialis Jonathan Sauer; A. Ahmedba 1974-9-12 5624 Los Angeles 15 Comment
  UCD130090  Centaurea solstitialis Robert F. Thorne 1966-9-14 36624 Los Angeles Santa Catalina Island, Middle Ranch, Middle Ranch Canyon. 213 Comment
  RSA589499  Centaurium davyi Tim S. Ross, Gery Allan, Mark A. Elvin, Jennifer Stone 1995-5-19 8578 Los Angeles San Clemente Island. Head of the northern tributary of Canchalagua Canyon, 400 ft. NNE of the 1135-ft. triangulation point. 326 Comment
  RSA601628  Centaurium venustum Louis C. Wheeler 1967-6-16 9857 Los Angeles San Gabriel Mountains: North side of Sunset Ridge under power line, Millard Canyon. 579 Comment
  CAS-BOT-BC288830  Centromadia parryi subsp. australis James I. McMurphy 1916-8-14 s.n. Los Angeles Los Angeles Comment
  JEPS26581  Centrostegia thurberi var. thurberi Peter Kamb 1948-5-6 961 Los Angeles above Little Rock (San Gabriel Mountains); San Gabriel Mountains 975 Comment
  SFV1245  Cerastium fontanum M. L. Vincent 1960-5-2 66 Los Angeles Santa Monica. In lawn at 502 25th Street. 92 Comment
  UC557724  Cerastium glomeratum Nell Murbarger March, 1936 38 Los Angeles San Clemente Isl. Comment
  CAS-BOT-BC142103  Cercocarpus betuloides var. betuloides Moxley; Grinnell 1916-6-15 493 Los Angeles Brown's Canyon, Santa Susana Mts. Comment
  CAS-BOT-BC142173  Cercocarpus betuloides var. betuloides Alice Eastwood 1919-5-29 8988 Los Angeles San Gabriel Canyon Comment
  RSA607554  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1931-10-16 257 Los Angeles Foothills, San Gabriel Mountains: 1 mile E Palmer Canyon. 610 Comment
  UC212304  Cercocarpus betuloides var. betuloides S. B. Parish 1916-3-27 10743 Los Angeles near Los Angeles (Summit of Laurel Canyon); Laurel Canyon 304 Comment
  RSA449451  Cercocarpus ledifolius Bonnie C. Templeton 1933-5-16 5131 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  CAS-BOT-BC143822  Cercocarpus ledifolius var. ledifolius Chester Dudley 1931-7-1 s.n. Los Angeles San Gabriel Mts. Comment
  POM351646  Chaenactis artemisiifolia B. C. Templeton 1931-5-1 s.n. Los Angeles Mandeville Canyon 300 Comment
  RSA710756  Chaenactis artemisiifolia Valerie L. Soza, Bill Hogshead 2003-4-23 1636 Los Angeles Brand Park, Brand Canyon. 381 Comment
  POM351713  Chaenactis fremontii Anstruther Davidson, Hasse 1906-6-5 1464 Los Angeles Big Rock Creek. [San Gabriel Mountians] Comment
  SEINET7063085  Chaenactis fremontii A. G. Vestal 1963-5-22 s.n. Los Angeles Outside Bobs Gap, Antelop Valley. UTM Zone 11, 425337mE, 3812845mN. (WGS84/NAD83). 1247 Comment
  UCR205894  Chaenactis glabriuscula R. G. Swinney 2008-5-5 8758 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs 1427 Comment
  POM215741  Chaenactis glabriuscula var. glabriuscula L. C. Wheeler 1933-7-4 1901 Los Angeles San Dimas Canyon, San Gabriel Mts 640 Comment
  SBBG65564  Chaenactis glabriuscula var. glabriuscula M. N. Ackley -Jun-1926 279 Los Angeles Montrose 365 Comment
  SFV13412  Chaenactis glabriuscula var. glabriuscula W. M. Perry 1980-7-3 68 Los Angeles San Gabriel Mountains Cattle Canyon on 2N06, at narrows. Comment
  LA31658  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; Henry J. Thompson 1959-6-4 14316 Los Angeles Santa Monica Mountains, Point Dume 45 Comment
  RSA229172  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, C. W. Tilforth 1971-6-30 40809 Los Angeles San Gabriel Mountains. 1554 Comment
  UC31022  Chaenactis glabriuscula var. glabriuscula J. Burtt Davy May 9 1896-May 24 1896 2582 a Los Angeles Lansing's, West Palmdale Antelope Valley, West Palmdale Comment
  CAS-BOT-BC277518  Chaenactis glabriuscula var. lanosa Le Roy Abrams 1899-4-1 216 Los Angeles Ballona Harbor Comment
  CAS-BOT-BC277525  Chaenactis glabriuscula var. lanosa Geo. B. Grant 1904-5-14 6259 Los Angeles Glendora, Los Angeles Comment
  CAS-BOT-BC32703  Chaenactis santolinoides var. indurata LeRoy Abrams 1902-6-29 2589 Los Angeles Mt. Wilson 1767 Comment
  SEINET3859872  Chaenactis stevioides R. G. Swinney 2009-4-24 10458 Los Angeles Transverse Ranges; San Gabriel Mtns./ Mojave Desert: Littlerock Creek, 0.3 mi. NW of Littlerock Creek Campground.; 0 915 Comment
  JEPS32855  Chaenactis xantiana E. R. Blakley 1958-5-9 2260 Los Angeles hills 2 mi e of Gorman 1097 Comment
  RSA435965  Chamaesyce albomarginata Roy R. Snelling 1977-6-9 19 Los Angeles 2 miles south of Pearblossom. 1067 Comment
  RSA599295  Chamaesyce albomarginata L. C. Wheeler 1946-8-27 6267 Los Angeles San Gabriel Mountains: Shoemaker Canyon just north of Pallett Ranch by side of Pear Blossom Highway. 1219 Comment
  RSA613519  Chamaesyce albomarginata L. C. Wheeler 1976-8-4 s.n. Los Angeles Dominguez Hills: Near Wilmington Avenue and Victoria Street. 48 Comment
  RSA498536  Chamaesyce melanadenia L. C. Wheeler 1931-12-20 399 Los Angeles Roberts Canyon 366 Comment
  RSA598276  Chamaesyce melanadenia R. G. Swinney 1989-4-1 s.n. Los Angeles In and near Glendora Wilderness Park, Big Dalton Canyon. Owl Flats,' in a disturbed area 488 Comment
  SFV2086  Chamaesyce serpyllifolia L. Imamura 1958-7-5 s. n. Los Angeles Vasa Park, Triunfo Canyon Blvd., Cornell. Along road. 457 Comment
  RSA599210  Chasmanthe floribunda Louis C. Wheeler 1968-3-28 s.n. Los Angeles Foothills of San Gabriel Mountains: Vicinity of stables, Brown School for Girls. 335 Comment
  RSA0048629  Cheilanthes covillei Sol Karlin 1969-3-22 s.n. Los Angeles Placerita State Park, Placerita Canyon. Comment
  RSA596998  Chenopodium album Steve Boyd, Lauren Raz 1996-9-24 8973 Los Angeles Liebre Mountains, Sawmill Mountain along Forest Service Road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon. 1622 Comment
  UCR204576  Chenopodium berlandieri R. G. Swinney 2005-8-5 8393 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  RSA587488  Chenopodium berlandieri Orlando Mistretta 1994-9-13 1479 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago creek near jct. of Forest Road 4N20 and BM 3980. 1159 Comment
  RSA478494  Chenopodium californicum F. R. Fosberg 1931-4-15 S 4621 Los Angeles Santa Catalina Island. Eagle s Nest, Middle Ranch Canyon. 180 Comment
  POM158265  Chenopodium californicum M. B. Dunkle 1928-5-27 1971 Los Angeles Hamilton Canyon, San Clemente Island 18 Comment
  SD230206  Chenopodium leptophyllum Louis C. Wheeler 1946-8-29 6320 Los Angeles San Gabriel Mountains: North of Prairie Fork, 1/4 mile SE Blue Ridge Lookout 2560 Comment
  SD252318  Chenopodium macrospermum Steven A. Junak 2000-10-12 Sca 1411 Los Angeles Santa Catalina Island: On N side of Thompson Reservoir. Drying S facing margins. 195 Comment
  UC465472  Chenopodium multifidum Geo. B. Grant 1904-8-1 1133 Los Angeles Pasadena Comment
  RSA133818  Chenopodium pumilio P. H. Raven 1959-10-9 14611 Los Angeles University of california west Los Angeles. 130 Comment
  CDA1960  Chloris gayana Garrettson 1933-10-13 45 Los Angeles L.A. County. 0 Comment
  RSA0076019  Chorizanthe coriacea R. G. Swinney 2010-4-1 12132 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  JEPS108274  Chorizanthe spinosa David Gowen 2005-5-11 311 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  RSA711441  Chorizanthe spinosa LeRoy Gross 2005-5-19 2306 Los Angeles South of Ave A (Kern County boundary) east of the 14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A., Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  CAS-BOT-BC244801  Chorizanthe staticoides Geo. B. Grant 1904-6-17 s.n. Los Angeles Pasadena Comment
  POM306310  Chorizanthe staticoides Henry J. Ramsey, Henry J. Ramsey 1938-6-19 1386 Los Angeles Eaton Canyon, Altadena Comment
  RSA713743  Chorizanthe staticoides A. C. Sanders, Helen Kennedy 2005-4-13 29435 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UC52617  Chorizanthe staticoides J. H. Barber 1897-6-24 173 Los Angeles Mountains near Newhall (Southern California); Mountains near Newhall Comment
  RSA582802  Chorizanthe staticoides subsp. staticoides Tim S. Ross, S. D. Boyd 1993-5-23 7226 Los Angeles Lower, easterly ridge of Red Mtn, on northerly slope 140-220 m SE of the saddle between Ruby and Clearwater Canyons. 951 Comment
  SBBG62336  Chorizanthe watsonii R. Hoffmann 1929-5-19 Los Angeles Paradise Camp, Big Rock Crk Comment
  UCR190127  Chrysothamnus nauseosus R. G. Swinney 1998-8-27 6795 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  POM352152  Cirsium occidentale var. californicum L. C. Wheeler 1933-7-4 1903 Los Angeles San Gabriel Mountains: San Dimas Canyon 640 Comment
  RSA660120  Cirsium occidentale var. californicum Orlando Mistretta 1992-6-12 562 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCD130642  Cirsium occidentale var. californicum Daryl Koutnik 1978-6-25 557 Los Angeles One mile south of Seminole Hot Springs on Mulholland Highway. 335 Comment
  UCR258755  Cirsium occidentale var. coulteri R. G. Swinney 2010-5-25 12960 Los Angeles San Gabriel Mountains, just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north of jct. of Manzanita Mtn. Trail and USFS ridge firebreak 671 Comment
  UCR223333  Cirsium occidentale var. occidentale R. G. Swinney 2009-5-27 10886 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  CAS-BOT-BC438747  Cistanthe monandra C. F. Baker 1909-3-20 5259 Los Angeles Claremont Comment
  RSA588075  Cistanthe monandra Orlando Mistretta 1994-4-15 1063 Los Angeles Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1159 Comment
  RSA651541  Cistanthe monandra Marion P. Harthill 1975-5-12 s.n. Los Angeles Hwy. N4, Mojave Desert. Comment
  CAS-BOT-BC223891  Cistus incanus Timothy S. Ross; Steve Boyd 1990-5-15 2526 Los Angeles San Gabriel Mountains. Yerba Buena Ridge, Tujunga Ranger District, Angeles National Forest; peripheral ridge N from Yerba Buena Rd dividing tributaries of Oak Spring Canyon (W) and Boulder Canyon (N). In areas closer to the road (3N29) 1021 Comment
  UCR51909  Cistus ladanifer Adelina Munoz 1988-4-16 104 Los Angeles Transverse Range; San Gabriel Mtns, Angeles National Forest, Big Santa Anita Canyon, along Water Trail to the fire road 610 Comment
  LA202428  Cistus ladanifer Arthur C. Gibson; Tarja Sagar 2004-9-8 5086 Los Angeles Santa Monica Mountains, E of Corral Canyon Rd Comment
  CAS-BOT-BC172448  Clarkia bottae L. R. Abrams 1917-7-8 6615 Los Angeles Topango Canyon, Santa Monica Mts. Comment
  SDSU21066  Clarkia bottae Ian Cain, Natasha Bartely 2010-6-21 1532 Los Angeles Angeles National Forest, San Gabriel Mountains. Along Bear Creek east of Cogswell Dam 488 Comment
  UCD104472  Clarkia cylindrica Daryl Koutnik 1978-5-30 s.n. Los Angeles Cornell Corners on Cornell Road, south of Agoura Road. 274 Comment
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Oct 1 2018
  CAS-BOT-BC172250  Clarkia cylindrica subsp. cylindrica C. L. Hitchcock 1928-5-27 44 Los Angeles On Ridge Route, 1 1/2 miles south of Lebec 1200 Comment
  UC1018317  Clarkia cylindrica subsp. cylindrica H. Lewis and M. Lewis 1947-5-7 212 Los Angeles 0.4 mi n Latigo Canyon Road (Decker Road); Santa Monica Mts. Comment
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Jun 27 2006
  RSA246441  Clarkia epilobioides F. R. Fosberg 1931-4-15 S- 4636 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA583054  Clarkia epilobioides Tim S. Ross 1993-4-25 6967 Los Angeles Santa Catalina Island: head of south fork Descanso Canyon. 177 Comment
  UC930794  Clarkia epilobioides Ira W. Clokey, B. Templeton 1929-5-8 4485 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  UCR178218  Clarkia epilobioides LeRoy Gross, B. Hogshead, Valerie Soza 2003-5-29 950 Los Angeles Transverse Ranges; Verdugo Mountains, West end of the mtns at junction (saddle) of Verdugo motorway and Wildwood Fire Road. Small draw NE of saddle, and canyon to the east of the main fire road on the crest of the ridge (Verdugo Mortorway) 564 Comment
  UC73317  Clarkia epilobioides Miss E. D. Palmer November, 1904 Los Angeles vicinity Los Angeles Comment
  RSA567530  Clarkia heterandra Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3928 Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR231795  Clarkia purpurea Darren T. Hasegawa 2007-5-27 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 396 Comment
  CAS-BOT-BC163709  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1919-5-29 8962 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC163715  Clarkia purpurea subsp. quadrivulnera Le Roy Abrams 1899-3-31 304 Los Angeles Sepulveda [Canon] Canyon, S. Monica Mts. Comment
  SBBG60335  Clarkia purpurea subsp. quadrivulnera M. N. Ackley -May-1922 745 Los Angeles Honolulu Acres 365 Comment
  UCR260402  Clarkia purpurea subsp. quadrivulnera R. G. Swinney 2010-6-21 13272 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
  CAS-BOT-BC164872  Clarkia rhomboidea A. D. E. Elmer 1902-6-1 4168 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC165219  Clarkia similis John Thomas Howell 1928-5-6 3777 Los Angeles Along trail between Fern Lodge and [Madrono] Madrono Flat, E. Fork of Santa Anita [Canon] Canyon, San Gabriel Mts. Comment
  LA45508  Clarkia unguiculata Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCSB68615  Clarkia unguiculata Gross, LeRoy 2003-6-19 Los Angeles Verdugo Mtns region: N side of mtn: west of Haines Canyon Park, off Estepa Dr in Tujunga, Follow a ridge sw, then drop down from ridge w into a small tributary nw of this ridge, tributary n of 210 fwy, S of freeway tributary will drain into La Tuna Canyon 457 Comment
  UCR269112  Claytonia parviflora Orlando Mistretta, Christine Mistretta 2008-4-19 2491 Los Angeles San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 6, Impact Area 6 per TRTP Survey 2008), vicinity of Mill Creek summit 1524 Comment
  UCR273206  Claytonia parviflora R. G. Swinney 2011-4-26 14480 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  CAS-BOT-BC439507  Claytonia parviflora subsp. parviflora C. F. Baker 1909-4-19 5332 Los Angeles Claremont Comment
  CHSC95540  Claytonia parviflora subsp. parviflora LeRoy Gross 2005-4-28 2124 Los Angeles Transverse Ranges; San Gabriel Mountains region: Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. (Pacific Mtn. 7.5 Quad.: T4N R12W, 11w S1, 6, NE1/4 of 1, NW1/4 of 6) 1324 Comment
  RSA784356  Claytonia perfoliata Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-16 4 Los Angeles road 7N23 turn from road 7N08 Comment
  RSA466691  Claytonia perfoliata subsp. mexicana Paul Currie 1969-1 34 Los Angeles Tapia Park, Malibu Hills, Santa Monica Mountains 610 Comment
  SDSU9998  Clematis lasiantha J. Godsil 1953-3-15 591 Los Angeles Baseline road, north-west of Claremont. 366 Comment
  CAS-BOT-BC92645  Clematis ligusticifolia Carl B. Wolf 1932-10-5 4239 Los Angeles Santa Catalina Island. 1 mile from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA594455  Clematis ligusticifolia Steve Boyd, Lauren Raz 1996-9-24 8951 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
  CAS-BOT-BC92816  Clematis pauciflora Ernest Braunton 1902-5-5 s.n. Los Angeles Glendora. Comment
  POM188347  Cleomella obtusifolia P. A. Munz 1933-5-13 12943 Los Angeles 10 miles south of Muroc. Comment
  SBBG70277  Cleomella obtusifolia Anstruther Davidson -Jul-1892 Los Angeles Lancaster Comment
  POM96019  Collinsia bartsiifolia var. davidsonii Philip A. Munz 1926-4-4 9994 Los Angeles 10 miles south of Willow Springs between Kern and Los Angeles Co. 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
  RSA408259  Collinsia heterophylla R. S. Woglum 1930-4-28 s.n. Los Angeles Glendora Comment
  RSA408281  Collinsia heterophylla Dorothy Davis 1922-05 s.n. Los Angeles Hills around San Fernando Valley 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
  UC885564  Collinsia torreyi var. brevicarinata Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles Big Pines Camp; San Gabriel Mtns Comment
  RSA71948  Collomia grandiflora F. W. Peirson 1924-4-28 4634 Los Angeles Hoyt Ranch, Tujunga Creek, W end of San Gabriel Mts. 579 Comment
  RSA747742  Colutea arborescens Scott D. White, J. Wood, C. Huntley, J. Miner 2009-5-12 12688 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  UCR262471  Colutea arborescens Esther Chuang 2013-5-27 30 Los Angeles San Gabriel Mountains, Angeles National Forest, San Gabriel Canyon Road/Hwy 39 1005 Comment
  CATA1709  Comarostaphylis diversifolia subsp. planifolia Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1999-5-8 3029 Los Angeles Santa Catalina Island: Lower Cottonwood Canyon 152 Comment
  SD249133  Constancea nevinii Michael G. Simpson, Adrienne Russell, Jonathan Dunn, David Pivorunas. 2000-7-19 2184 Los Angeles San Clemente Island, ca. 0.1 mile southwest from the end of road that runs south from Eel Point. 27 Comment
  CATA1685  Convolvulus arvensis Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-7-18 2980 Los Angeles Santa Catalina Island: Lower Middle Ranch Canyon 219 Comment
  JEPS20074  Conyza canadensis Peter H. Raven 1957-9-21 11323 Los Angeles small hill at nw end of U. C. L. A. campus Comment
  POM355843  Conyza canadensis T. S. Clare, Johnstone 1929-10-20 s.n. Los Angeles Eaton Canyon, San Gabriel Mts. Comment
  RSA602769  Conyza canadensis var. canadensis L. C. Wheeler 1972-12-30 12807 Los Angeles San Gabriel Mountains: Cattle Canyon. 701 Comment
  UC1713154  Cordylanthus rigidus subsp. setiger I. M. Johnston 1917-8-23 1675 Los Angeles Prairie Fork San Antonio Mountains 1371 Comment
  RSA412297  Cordylanthus rigidus subsp. setiger Anstruther Davidson 1883-1 s.n. Los Angeles Glendale. Comment
  RSA82050  Cordylanthus rigidus subsp. setiger F. W. Peirson 1924-7-11 5396 Los Angeles Mt. Washburn trail near Switzers Camp. 1037 Comment
  CAS-BOT-BC287757  Coreopsis bigelovii Louis C. Wheeler 1932-4-9 560 Los Angeles 4 miles W Fairmont, W Mojave Desert 914 Comment
  UCR187205  Coreopsis bigelovii A. C. Sanders 2006-4-21 32146 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  UCR220168  Coreopsis bigelovii R. G. Swinney 2009-4-2 10257 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
  UCR221902  Coreopsis bigelovii R. G. Swinney 2009-4-28 10538 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA716643  Coreopsis bigelovii Andrea Edwards, Pam De Vries 2005-3-29 52 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SEINET11837038  Coreopsis californica J. F. Bright 1934-1 9247 Los Angeles Santa Monica Coast Range Comment
  UCD130995  Coreopsis californica Curtis Clark 1978-4-29 574 Los Angeles west of Palmdale Boulevard at 130th Street. Comment
  RSA600316  Coreopsis gigantea Scott D. White 1997-3-12 4752 Los Angeles Zuma Beach area: mouth of Zuma Creek, E end of the County Beach. 7 Comment
  UCD131013  Coreopsis gigantea P. B. Kennedy 1928-3-29 s.n. Los Angeles Eagle West, Santa Catalina Island. Comment
  JEPS30657  Corethrogyne filaginifolia Peter H. Raven and Henry J. Thompson 1959-9-18 14431 Los Angeles near Beverly Glen Boulevard Santa Monica Blvd.; Santa Monica Mts. 76 Comment
  POM356124  Corethrogyne filaginifolia Robert L. Dressler 1948-7-28 68 Los Angeles Baldwin Hills, rolling hills with grass cover. Comment
  RSA455853  Corethrogyne filaginifolia Anonymous 1924-1 s.n. Los Angeles Crescenta. Comment
  SD40765  Cornus glabrata Carl B. Wolf 1932-10-4 4221 Los Angeles Santa Catalina Island; Hamilton Canyon. 124 Comment
  UC21510  Cornus glabrata Blanche Trask June, 1890 Los Angeles Santa Catalina Isl., Avalon Comment
  RSA595365  Cotoneaster pannosus Louis C. Wheeler 1970-1-4 s.n. Los Angeles San Gabriel Mountains. Santa Anita Canyon, just upstream from Winter Creek. 549 Comment
  RSA0087862  Cotula australis R. G. Swinney 2010-6-21 13287 Los Angeles Angeles National Forest, within 75 meters of Los Pinetos Spring, Los Pinetos Cyn., 0.18 miles N of Santa Clara Truck Trail via trail W of spring. 902 Comment
  POM356269  Cotula australis Donald R. Bissing 1973-5-4 51 Los Angeles 0.5 mile from canyon mouth 777 Comment
  IRVC28703  Cotula coronopifolia A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25488 Los Angeles Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley NE end of Santa Susana Mtns. 300 Comment
  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
  RSA613033  Crassula tillaea L. C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon between Canyon Crest Road and National Forest Boundary. Comment
  RSA3578  Cressa truxillensis C. B. Wolf 1932-5-12 3593 Los Angeles Little Harbor, Santa Catalina Island. Comment
  SFV20029  Cressa truxillensis A. Dittmer, S. Dark 2004-10-1 67 Los Angeles Ballona Wetlands. East side of wetlands on the south side of Jefferson Ave. Adjacent to the "freshwater" restoration area. Comment
  CAS-BOT-BC181053  Crossosoma californicum June Giddings 1924-8-1 s.n. Los Angeles Summit - Santa Catalina Island Comment
  LA50642  Croton californicus A. H. Lange; 1951-4-7 sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UCR259754  Croton californicus R. G. Swinney 2010-4-28 12386 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
  UCD142189  Croton setiger Ted H. Thorsted Jr. 1970-8-20 s.n. Los Angeles California State College at Los Angeles. 121 Comment
  SD252240  Crypsis Steven A. Junak 2000-5-19 Sca 1305 Los Angeles Santa Catalina Island. Deer Valley Reservoir, E of Two Harbors. 152 Comment
  UCR205863  Cryptantha barbigera R. G. Swinney 2008-5-8 8801 Los Angeles San Gabriel Mtns., West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  SEINET4206984  Cryptantha clevelandii var. florosa F. R. Fosberg 1931-3-24 S 4350 Los Angeles Santa Catalina Island.; 0 30 Comment
  UCR187134  Cryptantha decipiens A. C. Sanders 2006-5-16 32357 Los Angeles Tehachapi Mtns. Foothills, off Gorman Post Rd. near the Bailey Substation, c. 1 mile west of Quail Lake 1067 Comment
  RSA596018  Cryptantha intermedia T. S. Ross, J. Mark Porter 1995-5-4 8441 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. Liebre Mountains. 555 Comment
  RSA710835  Cryptantha micrantha LeRoy Gross 2005-5-3 2208 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
  SEINET3152276  Cryptantha micrantha G. B. Grant 1906-6-17 Error Los Angeles Collected at Summit Mt. Wilson, southern California 1829 Comment
  PASA1988  Cryptantha micrantha var. lepida Frank W. Peirson 1920-6-10 Los Angeles Summit Mt. Wilson 1737 Comment
  RSA647795  Cryptantha microstachys LeRoy Gross, Laura Moore 2000-6-5 203 b 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
  SEINET3084441 Image available Cryptantha muricata Steve Boyd, T. S. Elias 1987-4-14 2058 Los Angeles San Gabriel Mtns.; ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UC284279  Cryptantha muricata P. A. Munz 1923-5-27 6873 Los Angeles Rock Creek San Gabriel Mts. 1295 Comment
  RSA499684  Cryptantha muricata Richard C. Barkelew 1929-4-23 15962 Los Angeles Mulholland Highlands near LA. Comment
  RSA499704  Cryptantha muricata Donald R. Bissing 1973-4-20 46 Los Angeles 0.4 miles from Canyon mouth 731 Comment
  SD181666  Cryptantha muricata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains; Aliso Canyon 0.25 mile southsouthwest of Blum Randh. 914 Comment
  UCSB5598  Cryptantha muricata B., K. 1943-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  UCR281995  Cryptantha muricata var. denticulata R. G. Swinney 2014-5-7 16414 Los Angeles San Gabriel Mountains, near town of Ravenna, 0.3 miles east of Stonecross, c. 0.7 miles south of Soledad Cyn. Road, c. 0.5 mile east of Mill Cyn., unnamed N-S oriented cyn. between Bootleggers Cyn. and Mill Cyn. 793 Comment
  RSA0079355  Cryptantha muricata var. muricata Steve Boyd, Lauren Raz 1997-5-6 9769 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR197761  Cryptantha nevadensis Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 50 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
  RSA0010525  Cryptantha nevadensis var. rigida LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6798 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR98824  Cryptantha nevadensis var. rigida T. S. Ross, Steve Boyd 1990-5-15 2512 Los Angeles San Gabriel Mtns., Soledad Campground, Tujunga Ranger District, Angeles National Forest, Soledad Canyon, c. 1.5 linear mi. east of Agua Dulce Canyon. 622 Comment
  SBBG125849  Cryptantha oxygona A. Parikh, N. Gale 2010-5-31 3239 Los Angeles Sierra Pelona, 4.1 km W of State Hwy 14, 1.8 km SW of California Aqueduct; E Liebre Mtns 1050 Comment
  UCR280533  Cryptantha pterocarya var. purpusii R. G. Swinney 2014-4-10 16021 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA0092526  Cryptantha simulans R. G. Swinney 2011-6-22 15245 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
  UC24744  Cryptantha simulans H. M. Hall 1900-6-1 Los Angeles Swartout Canyon 1828 Comment
  SEINET10853241  Cucurbita Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2604 Los Angeles City of Pasadena. Trader Joe's, 610 S. Arroyo Pkwy. Comment
  CHSC3736  Cucurbita foetidissima Sue Boergadine 1966-4-28 5 Los Angeles Approximately 8 mi NE of Newhall. 914 Comment
  RSA613499  Cucurbita foetidissima L. C. Wheeler 1968-9-7 s.n. Los Angeles San Gabriel Mtns.: Big John Flat. 1676 Comment
  RSA747101  Cupaniopsis anacardioides A. C. Sanders, T. B. Salvato 2009-5-19 36814 Los Angeles Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center. 110 Comment
  RSA726864  Cupressus forbesii Steve Boyd 2004-4-15 10899 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  UCR126879  Cuscuta californica A. C. Sanders 2003-4-29 26187 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  UCR205692  Cyclospermum leptophyllum A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36981 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
  POM247928  Cylindropuntia californica var. parkeri Joseph A. Ewan 1937-8-23 11061 Los Angeles Tujunga Creek near mouth of canyon. Comment
  UCSB4267  Cylindropuntia echinocarpa Newby, Ron 1959-5-15 Los Angeles 9 miles east of Pearblossom on Hwy. 138 Comment
  UC1109346  Cynodon dactylon Peter H. Raven 1962-4-12 17342 Los Angeles Wilson Cove San Clemente Island; , Wilson Cove 45 Comment
  RSA618984  Cyperus eragrostis LeRoy Gross 1998-9-20 74 Los Angeles Southern base San Gabriel Mtns.: Tujunga Ponds. West of 210 freeway in big Tujunga wash, city of Sunland 365 Comment
  POM211780  Cyperus eragrostis L. C. Wheeler 1933-9-26 2127 Los Angeles San Gabriel Canyon, San Gabriel Mts. 335 Comment
  RSA191160  Cyperus eragrostis Robert F. Thorne, M. Z. Thorne 1967-7-19 37135 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Home Tract at upper end of Canyon of N Fork of San Gabriel River 1250 Comment
  LA33493  Cyperus odoratus Peter H. Raven; Henry J. Thompson 1959-10-14 14623 Los Angeles Santa Monica Mountains, Triunfo Canyon, Malibu Lake, E end of lake 220 Comment
  RSA693734  Cystopteris fragilis M. B. Dunkle 1933-6-17 3603 Los Angeles San Antonio Canyon. 915 Comment
  POM364987  Dactylis glomerata Gene Ronald 1953-5-12 s.n. Los Angeles University of Southern California Campus. Comment
  CHSC35492  Datisca glomerata James Henrickson 1973-6-23 10915 Los Angeles Santa Monica Mts., Topanga Canyon, 3/4 mile N of Topanga P.O. along old Topanga Canyon Road. 243 Comment
  POM3047  Datisca glomerata H. D. Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon, Santa Monica Mts. Comment
  SBBG12508  Deinandra clementina P. H. Raven 1962-7-12 18038 Los Angeles above North Head Comment
  CAS-BOT-BC9098  Delphinium cardinale LeRoy Abrams 1901-7-1 1875 Los Angeles West Fork of San Gabriel River Comment
  HSC95376  Delphinium cardinale A. C. Sanders 2003-5-26 26840 Los Angeles Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and N of Santa Fe RR, E of the San Gabriel River channel 171 Comment
  RSA68766  Delphinium cardinale F. W. Peirson 1923-5-27 5323 Los Angeles Rock Creek, north San Gabriel Mountains 1296 Comment
  RSA0029749  Delphinium glaucum Louis C. Wheeler 1968-6-14 s.n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy camp. Comment
  CAS-BOT-BC7972  Delphinium parishii subsp. parishii W. R. Dudley; Frank Haines Lamb 1896-6-7 4350 Los Angeles Kings Canyon, Liebre Mountains Comment
  RSA0034988  Delphinium parryi Lee Haines 1935-7-4 s.n. Los Angeles Little Dalton Canyon, San Gabriel Mts. Comment
  RSA398723  Delphinium parryi Geo. L. Moxley 1913-6-15 1783 Los Angeles Poppy Peak, Annandale. Comment
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Nov 12 2009
  RSA398729  Delphinium parryi subsp. parryi Louis C. Wheeler 1932-7-2 904 Los Angeles Brown's Flat 1311 Comment
  RSA654437  Delphinium parryi subsp. parryi Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 983 b Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, above Brace Canyon, W of junction with Stough Canyon Mtwy. 610 Comment
  RSA609134  Delphinium parryi subsp. parryi Louis C. Wheeler 1931-4-27 s.n. Los Angeles 1/4 mile W Thompson Creek Dam. 503 Comment
  RSA0102432  Delphinium patens subsp. hepaticoideum G. F. Orr 1956-4-28 s.n. Los Angeles Malibu Canyon. 610 Comment
  RSA152145  Delphinium patens subsp. montanum Wesley O. Griesel 1962-5-12 s.n. Los Angeles Charlton Flats to Chilao Camp, San Gabriel Mts 1524 Comment
  RSA0102444  Delphinium patens subsp. montanum Allison Johnson 1971-4-23 10 Los Angeles San Dimas Canyon Road. San Gabriel Mts., Pacific Slope drainage area. 518 Comment
  RSA400068  Delphinium variegatum subsp. kinkiense M. B. Dunkle 1939-4-6 7322 Los Angeles San Clemente Island: Mosquito-Pyramid Trail. Comment
  LA200720  Dendromecon rigida Carl Epling; L. Ellison 1929-3-16 sn Los Angeles Santa Monica Mountains, near Girard [Woodland Hills] Comment
  RSA725244  Dendromecon rigida subsp. rigida K. Dobry 1991-4-22 460 Los Angeles West San Gabriel mts at Bear divide and Sand Cyn Rd. Comment
  UCD114758  Descurainia pinnata Daryl Koutnik 1978-4-28 422 Los Angeles Point Dume near Zuma Beach. 45 Comment
  UCR259600  Descurainia pinnata R. G. Swinney 2010-5-11 12622 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
  UCR280416  Descurainia pinnata Onkar Singh 2014-3-18 4373 Los Angeles Mojave Desert, c. 10 km north of Littlerock, near junction of Avenue O and 110th St. 804 Comment
  RSA0070280  Descurainia pinnata subsp. brachycarpa LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7003 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  RSA0022371  Dicentra chrysantha Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5129 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  CAS-BOT-BC402270  Dicentra chrysantha Geo. L. Moxley 1915-7-21 394 Los Angeles Arroyo Seco Canyon, San Gabriel Mts. About 2 miles above Switzer's Camp Comment
  RSA433591  Dicentra ochroleuca H. E. Hasse 1891-1 s.n. Los Angeles Near Santa Monica Comment
  UC57505  Dichelostemma capitatum J. H. Barber 1897-3-21 81 Los Angeles near Soldier's Home Comment
  UCR190345  Dichelostemma capitatum R. G. Swinney 2001-4-18 7897 Los Angeles San Gabriel Mtns./Mojave Desert, Valyermo area, ridge top c. 500 m east of south end of Bobs Gap 1311 Comment
  CAS-BOT-BC499426  Dichelostemma capitatum I. W. Clokey; R. C. Anderson 1938-5-17 7875 Los Angeles Lovell Canyon 1600 Comment
  RSA188175  Dichelostemma capitatum subsp. capitatum Robert F. Thorne 1966-4-4 35775 Los Angeles Santa Catalina Island. Blue Cavern Point, NE of Isthmus Cove 30 Comment
  RSA376854  Dichelostemma capitatum subsp. capitatum M. Bisbee 1917-4-15 42 Los Angeles East hills of Eagle Rock Valley Comment
  RSA590534  Dichelostemma capitatum subsp. capitatum Orlando Mistretta 1994-3-30 962 Los Angeles San Gabriel Mountains: Little Rock Creek. Slopes E of creek below Little Rock Dam. 991 Comment
  RSA660785  Dichelostemma capitatum subsp. capitatum J. Doughty 1985-5-19 148 Los Angeles Angeles National Forest, Graveyard Canyon, junction of San Gabriel Road and entrance to Follows Camp. Comment
  RSA376818  Dichelostemma ida-maia M. Bisbee 1917-6-4 130 Los Angeles Exposition Park, Wildflower Garden. Comment
  SD42004  Diplacus longiflorus Darley F. Howe 1947-5-3 Los Angeles Topanga Canyon Comment
  SD72760  Distichlis spicata F. R. Fosberg 1931-4-29 S 4726 Los Angeles Cottonwood Canyon, Santa Catalina Island, on flat 2 Comment
  SD90394  Distichlis spicata Robert F. Thorne 1973-4-12 42935 Los Angeles San ClementE Island: Pyramid Cove at S end of island 3 Comment
  UC56422  Dithyrea maritima E. Braunton April, 1903 Los Angeles Playa del Rey Comment
  RSA461502  Dodecatheon clevelandii Geo. L. Moxley 1914-2-15 202 Los Angeles Los Angeles. Comment
  RSA461499  Dodecatheon clevelandii subsp. clevelandii Donald R. Bissing 1973-3-29 30 Los Angeles Evey Canyon; San Gabriel Mts: 0.5 mile from mouth of canyon. 726 Comment
  RSA229120  Draba corrugata var. corrugata R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38873 Los Angeles San Gabriel Mountains, Angeles National Forest: near Lodgepole Picnic area, at headwaters of Dorr Canyon, N slope of Throop Peak, above Angeles Crest Highway, 1.2 mile SE of Dawson Saddle 2332 Comment
  RSA530892  Draba corrugata var. corrugata Albert J. Perkins 1915-7-26 s.n. Los Angeles Mt. San Antonio. 3049 Comment
  CHSC95356  Dryopteris arguta LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 296 Los Angeles Verdugo Mountains: Hostetter Mountainway. 640 Comment
  SD253314  Dryopteris arguta R. G. Swinney 2011-11-3 15989 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon, First Water 1.7 miles up canyon from Mt. Wilson Trailhead, north of Sierra Madre (Mt. Wilson 7.5'Q) 622 Comment
  UCSB8254  Dryopteris arguta Haller, John 1950-5-29 Los Angeles Santa Monica Mtns., Mulholland Dr., above Sepulveda Tunnel. 411 Comment
  POM18217  Dryopteris arguta P. A. Munz 1923-4-10 6706 Los Angeles San Clemente Island: canyon-wall, south of eLemon Tank'; east coast Comment
  RSA561819  Dudleya cymosa subsp. pumila Steve Boyd, Orlando Mistretta 1993-6-3 8173 B Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA423523  Dudleya densiflora B. C. Templeton 1936-5-18 5660 Los Angeles San Gabriel Canyon. 366 Comment
  SD132745  Dudleya hassei James C. Dice, Michael Donoghue and Terry Martin 1983-5-20 346 Los Angeles Santa Catalina Island, northeast-facing slope above Pebbly Beach Drive, between Avalon Bay and Abalone Point. 24 Comment
  RSA763534  Dudleya lanceolata Justin M. Wood 2010-5-10 1590 Los Angeles Little Rock Creek: upstream of Little Rock reservoir to confluence w/ Santiago Creek. 999 Comment
  RSA422246  Dudleya lanceolata F. R. Fosberg 1931-8-30 812 Los Angeles El Segundo 15 Comment
  CAS-BOT-BC109627  Dudleya multicaulis Dr. H. E. Hasse 1891-5-1 s.n. Los Angeles Near Santa Monica. Comment
  RSA535875  Dudleya pulverulenta Tim Ross 1991-9-1 5887 Los Angeles near Mullholland Hwy. x Yerba Buena Rd; Triunfo Pass 564 Comment
  UC557628  Dudleya virens Nell Murbarger 1936-3 95 Los Angeles e side San Clemente Island (ocean cliffs) Comment
  RSA534965  Dudleya virens subsp. insularis Reid V. Moran 1941-5-27 874 Los Angeles 1/4 mile east of Point Vicente 20 Comment
  RSA599125  Ehrharta erecta V. W. Steinmann, Rashmi Pant 1996-5-5 854 Los Angeles Claremont. 300 Comment
  RSA717301  Eleocharis palustris Scott D. White, Pam DeVries 2006-5-9 11407 Los Angeles Gorman area, valley & slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  CAS-BOT-BC113286  Eleocharis parishii Robert F. Thorne; J. Dourley 1967-10-10 37338 Los Angeles San Gabriel Mts, Angels Natl Forest: Jackson Lake, NW end of lake on low, dry bank. 1866 Comment
  CAS-BOT-BC208517  Elymus A. D. E. Elmer 1902-6-1 3750 Los Angeles Acton Comment
  CAS-BOT-BC227498  Elymus elymoides A. D. E. Elmer 1902-6-1 4166 Los Angeles Acton, Mt. Gleason Comment
  SEINET10564655  Elymus elymoides Victor Duran 1933-7-9 Duran 3506 Los Angeles Horse Flats, San Gabriel Mts. One of the most plentiful grasses in the sparse grassland of the dry open floor of the Jeffrey pine forests in this region. 1676 Comment
  UCR271052  Elymus elymoides subsp. elymoides R. G. Swinney 2011-6-6 15009 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UC188791  Elymus glaucus H. M. Hall Jun 3 1900-Jun 6 1900 1426 Los Angeles Swarthout? Canyon San Antonio Mountains Comment
  CAS-BOT-BC206744  Elymus glaucus subsp. glaucus Carl Epling 1931-4-25 s.n. Los Angeles Los Alisos Canyon Comment
  CAS-BOT-BC206760  Elymus glaucus subsp. glaucus Timothy S. Ross; Orlando Mistretta 1993-5-26 7318 Los Angeles Santa Clara Road U.S.F.S. between Wilson Canyon Saddle and May Canyon Saddle, N slope of the 3834 foot peak NW of May Canyon Saddle, W end of the San Gabriel Mtns. 1109 Comment
  LA105046  Elymus glaucus subsp. glaucus Barry A. Prigge; 1988-7-3 8180 Los Angeles Santa Monica Mountains, ca 0.4 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA577552  Elymus glaucus subsp. glaucus L. C. Wheeler 1933-7-4 1893 Los Angeles San Dimas Canyon, San Gabriel Mountains. 534 Comment
  RSA600472  Elymus glaucus subsp. glaucus Steve Boyd, Lauren Raz 1997-4-30 9606 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  POM359947  Elymus multisetus Robert Gustafson 1978-6-7 967 Los Angeles Off dirt road leading into Hungry Valley ca. 0.2 mile from the junction with the 2-lane paved Peace Valley Rd. west of Gorman. 1220 Comment
  CDA40331  Emmenanthe penduliflora T. C. Fuller 1962-4-1 8171 Los Angeles Bank of San Dimas Canyon wash, 1.6 miles north of Foothill Boulevard, San Dimas. 0 Comment
  POM3681  Emmenanthe penduliflora W H Spurgeon 80 Los Angeles 0.25 mile N Indian Hill. Claremont. 457 Comment
  RSA0057919  Emmenanthe penduliflora Richard G. Swinney 2010-4-15 12216 Los Angeles San Gabriel Mountains: Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA599582  Emmenanthe penduliflora Steve Boyd, Lauren Raz 1997-3-25 9309 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. 1097 Comment
  RSA316348  Emmenanthe penduliflora var. penduliflora Robert F. Thorne 1982-4-20 54971 Los Angeles 2.5 miles S of Llano 1159 Comment
  JEPS34120  Encelia actoni F. W. Peirson 1919-6-13 484 Los Angeles Rock Creek San Gabriel Mts., Rock Creek 1295 Comment
  CAS-BOT-BC131194  Encelia californica Edgar A. Mearns 1894-8-25 4067 Los Angeles San Clemente Island Comment
  UC895499  Encelia californica Ira W. Clokey, B. Templeton 1929-3-1 4453 Los Angeles Mandeville Canyon Santa Monica Mountains, Mandeville Canyon Comment
  UCR206535  Encelia farinosa A. C. Sanders, T. B. Salvato 2009-5-19 36829 Los Angeles San Gabriel Valley, Montebello Hills, under SCE powerlines S of Montebello Blvd. and W of Plaza Dr., S of large shopping mall called Montebello Town Center 137 Comment
  UCR213582  Encelia farinosa A. C. Sanders, Karen Kirtland 2010-5-7 38340 Los Angeles South Coast, Palos Verdes Peninsula, south of Palos Verdes Dr. South, Rancho Palos Verdes near Los Angeles city boundary 104 Comment
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Mar 15 2016
  OBI50380  Ephedra Larry Kelly, David J. Keil 1989-4-21 366 Los Angeles San Gabriel Mts. 2-3 mi Se of Valeyrmo along ft. Tejon rd. Comment
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Sep 17 2014
  SEINET11736595  Ephedra aspera D. P. Reagan 1974-1 28 Los Angeles Pyramid Lake, 1 mi N of Castaic Comment
  NY73772  Ephedra nevadensis T. S. Ross 1992-4-4 6104 Los Angeles San gabriel Mountains: Big Rock Creek: ca. 0.25 mile south of Big Pines Highway, on alluvial bench between the stream and Bog Rock Creekl Road. Valyermo USGS 7.5' Quad 1207.0 Comment
  RSA526645  Epilobium canum subsp. canum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4218 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  CAS-BOT-BC171921  Epilobium canum subsp. latifolium Joseph Andorfer Ewan; Nesta Ewan 1936-8-14 10042 Los Angeles Throop Peak, San Gabriel Mts. 2743 Comment
  JEPS8607  Epilobium canum subsp. latifolium Rimo Bacigalupi with G. T. Robbins and L. R. Heckard 1953-6-14 4194 Los Angeles along creek 2 mi s (above) Sycamore Camp Ground; San Gabriel Mountains, South Fork Little Rock Creek 1280 Comment
  RSA611537  Epilobium canum subsp. latifolium Louis C. Wheeler 1968-9-29 s.n. Los Angeles San Gabriel Mountains: Cattle Canyon, 1 mile E of mouth of Coldwater Canyon. 945 Comment
  RSA799901  Epilobium canum subsp. latifolium Michelle Terrazino, Monica Rodriguez, Naomi S. Fraga 2013-7-23 1 Los Angeles Glendora Ridge Road. 1313 Comment
  UCR223374  Epilobium canum subsp. latifolium R. G. Swinney 2009-7-23 11392 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  CATA2955  Epilobium ciliatum Sarah Ratay 2006-9-11 99 Los Angeles Santa Catalina Island: Middle Canyon between ENL mitigation area 2 and the Ben Weston trailhead 0 Comment
  UCR204007  Epilobium ciliatum R. G. Swinney 2001-9-15 8127 Los Angeles San Gabriel Mountains, Lily Spring, north slope of Mt. Hawkins [7.5 air mi west southwest of Wrightwood] 2454 Comment
  UCR204563  Epilobium ciliatum R. G. Swinney 2005-8-5 8380 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  UCR272836  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-7-29 15570 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UC4488  Epipactis gigantea J. H. Barber 1897-6-29 212 Los Angeles near Acton; Bear Canyon 1066 Comment
  RSA381701  Epipactis gigantea J. R. Bruff 1936-5-11 s.n. Los Angeles Malibu Hills. Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  RSA84282B  Equisetum hyemale var. affine F. W. Peirson 1920-4-25 8450 B Los Angeles Arroyo Seco, Pasadena 411 Comment
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Jan 4 2014
  POM18108  Equisetum laevigatum P. A. Munz 1923-5-25 6815 Los Angeles Big Rock Creek, San Gabriel Mts. Wash among willows. 1280 Comment
  RSA0087045  Equisetum laevigatum R. G. Swinney 2010-9-9 13796 Los Angeles Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  RSA597293  Equisetum laevigatum R. G. Swinney 1994-8-23 3225 Los Angeles San Gabriel Mountains: Mount Baldy Road on W shoulder, approx. 1/4 mi SW of Mount Baldy Road Junction with Glendora Mountain Road. 1219 Comment
  RSA0034729  Equisetum laevigatum Richard Schlichting 1948-5-23 s.n. Los Angeles San Dimas Canyon Park. 304 Comment
  SD215305  Equisetum telmateia Louise C Wheeler 1932-3-17 505 Los Angeles Los Angeles River at Los Feliz Blvd. 121 Comment
  SEINET4178262 Image available Eragrostis cilianensis Louis C. Wheeler 1932-8-13 1131 Los Angeles 2 Miles North Claremont 411 Comment
  LA99133  Eragrostis cilianensis R. L. Armacost; 1968-5-23 2385 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, near Desert Garden of UCLA Botanical Garden. Comment
  RSA133462  Eragrostis hypnoides P. H. Raven, H. J. Thompson 1959-9-20 14486 Los Angeles Lake Eleanor. Comment
  UCD64385  Eragrostis pectinacea P. B. Kennedy 1918-8-3 s.n. Los Angeles Bakersfield. Comment
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Jan 14 2015
  RSA77197  Eremalche exilis F. W. Peirson 1923-5-27 3539 Los Angeles Pallett Creek, tributary to Rock Creek, north slope of San Gabriel Mts. 1098 Comment
  RSA0041934  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 -E Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA0034385  Eremogone macradenia var. arcuifolia Orlando Mistretta 1994-5-23 1252 Los Angeles San Gabriel Mountains: Little Rock Creek. drainage E of creek and N of Forest Rd. 4N15. 1402 Comment
  SBBG60429  Eremothera boothii subsp. decorticans R. Hoffmann 1927-6-8 Los Angeles Ridge Route (US Hwy 99) [near Sandberg's] Comment
  CAS-BOT-BC162889  Eremothera boothii subsp. desertorum Mrs. Josephine Bates 1932-5-3 s.n. Los Angeles Ten miles north of Lancaster, Los Angeles County-Kern County line, Mojave Desert 701 Comment
  UC1787320  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-22 140 Los Angeles Mojave Desert/San Gabriel Mountains: county Hwy S4 (204th St. East), 7.4 km south of Hwy 138, northern mouth of Grandview Canyon, along west side of Hwy S4 1396 Comment
  UCR141732  Eriastrum densifolium subsp. densifolium L. C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mtns, East Fork of Alder Creek off Big Tujunga 1494 Comment
  RSA0012123  Eriastrum sapphirinum Mark A. Elvin 2003-5-1 2495 Los Angeles Newhall Ranch, Castaic Mesas, c. 1.5 km east of Castaic Lagoon in Charlie Canyon, survey area 69 396 Comment
  RSA0122087  Eriastrum sapphirinum subsp. brevibracteatum Orlando Mistretta 1994-5-11 1182 Los Angeles Little Rock Creek, E slopes of canyon W of Basin Campground 1037 Comment
  CAS-BOT-BC515035  Eriastrum sapphirinum subsp. sapphirinum F. W. Peirson 1918-11-2 156 Los Angeles San Gabriel Mts., Hennigers Flat, Mt. Wilson Toll Road 853 Comment
  SD257255  Erica melanthera Jack Pepper 1953-2-10 Los Angeles Canoga Park, Pierce College Comment
  POM359349  Ericameria ericoides var. ericoides Robert Gustafson 1981-3-18 2128 Los Angeles Ballona Wetlands, Area 1. Comment
  LA82942  Ericameria linearifolia O. H. Kappler; 1945-4-20 734 Los Angeles Gorman, Hiway 99 975 Comment
  RSA600037  Ericameria linearifolia Steve Boyd, Lauren Raz 1997-3-25 9257 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA0104999  Ericameria nauseosa subsp. consimilis R. G. Swinney 2011-10-25 15864 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
  UCR239981  Ericameria nauseosa subsp. consimilis R. G. Swinney 2009-11-13 11608 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  CAS-BOT-BC298890  Ericameria nauseosa var. bernardina H. M. Hall 1930-11-2 12989 Los Angeles Blue Ridge, San Antonio Mts Comment
  SJSU13620  Ericameria nauseosa var. bernardina C. W. Sharsmith 1945-9-7 5459 Los Angeles summit of Mt Waterman, San Gabriel Mts 2225 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
  RSA16815  Ericameria parishii C. B. Wolf 1931-10-20 2296 Los Angeles Just below the Padua Hills Theatre above Claremont, west slope of mts. 457 Comment
  CAS-BOT-BC293123  Ericameria pinifolia Ernest Braunton 1902-10-1 713 Los Angeles Cahuenga Hills Comment
  IRVC28588  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  POM4764  Ericameria pinifolia L. R. Abrams 1916-10-30 6377 Los Angeles Near Azusa. Comment
  SFV17943  Ericameria pinifolia J. N. Hogue, J. D. Dilley 1998-8-7 124 .3 Los Angeles San Gabriel Mountains Cedar Creek. South of Crystal Lake along Highway 39. 1580 Comment
  UC86693  Ericameria pinifolia J. C. Nevin Los Angeles Newhall Comment
  UCSB63058  Erigeron Clare B. Hardham 1959-6-16 4870 Los Angeles collected between Pear Blossom and Llano Pear Blossom, and Llano Comment
  SBBG95449  Erigeron canadensis M. B. Dunkle 1928-10-7 2002 Los Angeles Middle Ranch Cyn 167 Comment
  SD107922  Erigeron canadensis Larry DeBuhr, Gary Wallace 1972-9-4 717 Los Angeles San Clemente Island; in seepage area below barracks at Wilson Cove. Comment
  CAS-BOT-BC296168  Erigeron foliosus var. foliosus F. Grinnell Jr. 1910-6-13 s.n. Los Angeles Long Canyon, San Gabriel Mts. 914 Comment
  SEINET11836745  Erigeron foliosus var. stenophyllus M. T. Doutt 1931-1 s.n. Los Angeles Sierra Madre Mts., trail from Mt. Howe to Mt. Wilson 1615 Comment
  RSA9662  Erigeron philadelphicus L. C. Wheeler 1934-3-19 2451 Los Angeles Damp silt in shade of willow, San Gabriel River. 73 Comment
  UC1124327  Eriodictyon crassifolium A. Lewis Feb 1934 295 Los Angeles s Gold Creek; Angeles Natl Forest, San Fernando Quad., s of Gold Creek Comment
  CAS-BOT-BC189112  Eriodictyon crassifolium var. crassifolium Geo. B. Grant 1904-5-5 6191 Los Angeles Arroya Seco Comment
  CAS-BOT-BC189117  Eriodictyon crassifolium var. crassifolium Dr. H. E. Hasse 1890-7-1 s.n. Los Angeles Laurel Canon [Canyon], Santa Monica Range Comment
  IRVC28595  Eriodictyon crassifolium var. nigrescens A. C. Sanders, Mark Elvin 2002-6-19 25193 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  RSA306186  Eriodictyon crassifolium var. nigrescens Fay A. MacFadden 1931-3-29 s.n. Los Angeles La Tuna Canyon, Verdugo Hills 335 Comment
  RSA0092458  Eriodictyon parryi R. G. Swinney 2011-5-31 14913 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  SBBG13127  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles NE side of Black Jack Mtn at the jct of Island Rd and White's Landing Rd 381 Comment
  SBBG13634  Eriodictyon traskiae P. H. Raven 1962-5-20 17787 Los Angeles near Lyonothamnus grove above White's Landing on Airport Rd 426 Comment
  CATA1516  Eriodictyon traskiae subsp. traskiae Mark L. Hoefs, Steven A. Junak 1996-7-9 2734 Los Angeles Santa Catalina Island: By Lower Cape Canyon Reservoir, Cape Canyon 237 Comment
  RSA607038  Eriodictyon trichocalyx var. trichocalyx Louis C. Wheeler 1932-7-2 907 Los Angeles Browns Flat, San Gabriel Mts. 1311 Comment
  RSA393205  Eriogonum angulosum Robert Gustafson 1978-6-1 949 Los Angeles Ca. 0.5 mile east off main dirt road running through Hungry Valley, summit of hills overlooking upper Freeman Canyon, ca. 1 mile S of Gorman. 1311 Comment
  SEINET2043122 Image available Eriogonum baileyi var. baileyi D. Charlton, Robb Fishman 1990-8-30 3905 Los Angeles Western Mojave Desert: NE Palmdale, corner of Ave ''P'' & Sierra HWY. (Palmdale Quad 7.5') 793 Comment
  UCR127664  Eriogonum brachyanthum A. C. Sanders, Mark Elvin 2002-6-20 25256 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
  CLARK-A1528-3665  Eriogonum cinereum John C. Roos 1942-9-26 1727 Los Angeles Santa Monica Comment
  RSA393134  Eriogonum cinereum F. R. Fosberg 1930-11-23 S 4204 Los Angeles Portugese Bend. 40 Comment
  RSA763579  Eriogonum cinereum Doris Bowers 1972-7-13 1861 Los Angeles Lunada Bay, Palos Verdes Pen. 1 Comment
  RSA0065544  Eriogonum cinereum A. E. Hersh 1950-7-15 s.n. Los Angeles About 1/4 mile from west end of Topanga Canyon. 30 Comment
  RSA393166  Eriogonum cithariforme var. cithariforme Anstruther Davidson 1905-10 1453 Los Angeles Santa Monica Hills west of [Encino?] Road Comment
  JEPS56695  Eriogonum davidsonii Frank W. Peirson 1920-9-12 2278 Los Angeles South Trail, Baldy San Gabriel Mountains, Baldy 2438 Comment
  RSA393173  Eriogonum davidsonii Anstruther Davidson 1905-1 s.n. Los Angeles Hollywood. Comment
  RSA393179  Eriogonum davidsonii Christopher Davidson 1967-10-7 962 Los Angeles Mt. Baldy trail from Baldy Village, ca. 3 or 4 miles past Bear Flat. 2439 Comment
  SD247478  Eriogonum davidsonii R. G. Swinney 2010-10-8 14002 Los Angeles San Gabriel Mountains: Sadie Hawkins Peak, first ridgetop north of heliport at South Mt. Hawkins on Hawkins Ridge. 2421 Comment
  UC1032151  Eriogonum davidsonii N. French 1934-5-11 350 Los Angeles 1 mi ne Ravenna; Tujunga Quadrangle Comment
  UCR149890  Eriogonum davidsonii R. G. Swinney 1999-6-18 7323 Los Angeles San Gabriel Mtns., Big John Flat, northern edge 1707 Comment
  UCR276716  Eriogonum davidsonii R. G. Swinney 2010-9-21 13866 Los Angeles San Gabriel Mountains, summit of Mt. Hawkins, at north end of Copter Ridge 2698 Comment
  RSA350561  Eriogonum davidsonii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UCR239953  Eriogonum elongatum R. G. Swinney 2009-11-16 11644 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA393489  Eriogonum elongatum F. R. Fosberg, H. P. Bracelin 1931-6-11 S 5843 Los Angeles Topaga P.O., Topanga Canyon. Comment
  LA200761  Eriogonum elongatum var. elongatum Norman A. Cole; May 1964 389 .6 Los Angeles 259 Comment
  RSA587495  Eriogonum elongatum var. elongatum Orlando Mistretta 1994-9-13 1471 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1189 Comment
  PASA1468  Eriogonum fasciculatum Ruth M. Evans 1932-3-15 Los Angeles Lone Hill, Glendora Comment
  PASA1470  Eriogonum fasciculatum subsp. foliolosum Margaret Stason 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  UCR206430  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2008-6-10 8978 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, peak 6374 at extreme SE corner of park, on an extension of Pleasant View Ridge 1943 Comment
  CAS-BOT-BC249932  Eriogonum fasciculatum var. foliolosum F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  IRVC26644  Eriogonum fasciculatum var. foliolosum L. C. Wheeler 1968-7-22 s.n. Los Angeles Devil's Canyon San Gabriel Mountains 1433 Comment
  UC1595214  Eriogonum fasciculatum var. foliolosum Tim Ross, Peter Fritsch 1990-6-20 3667 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd (2N24)); San Gabriel Mountains, Rincon-Red Box Rd (2N24) 1255 Comment
  UC1587669  Eriogonum fasciculatum var. polifolium Tim Ross 1991-8-14 5793 Los Angeles 3200 ft nw, Pacifico Mtn Rd Alder Saddle; San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1767 Comment
  SD153087  Eriogonum giganteum var. formosum Steven A. Junak 1996-9-28 SCI 674 Los Angeles W side of the Island, in Box Canyon, ca. 0.5 miles downstream from Triangulation Point Snapper 323 Comment
Read comments
Dec 10 2014
  RSA11716  Eriogonum giganteum var. giganteum R. L. Pendleton 1909-7-3 1383 Los Angeles Santa Catalina Island. Crest of the island. 457 Comment
  CAS-BOT-BC253462  Eriogonum gracile Frank W. Peirson 1923-10-7 4164 Los Angeles Newhall at R.R. Station, San Gabriel Mts. Comment
  CAS-BOT-BC253467  Eriogonum gracile Bunch 1974-8-14 74 -673 Los Angeles At east animal trapping site, near Valencia 1 mile E. of I5 Comment
  POM158211  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-4 11141 Los Angeles Pacoima Wash, near San Fernando. Comment
  POM209907  Eriogonum heermannii var. heermannii Victor Duran 1933-8-10 3545 Los Angeles South Fork Big Rock Creek. 1081 Comment
  SBBG125470  Eriogonum hirtiflorum A. Parikh, N. Gale 2010-6-18 3339 Los Angeles upper Big Tujunga Cyn, 0.9 km N of St Hwy 2, 0.3 km W of upper Big Tujunga Cyn Rd, San Gabriel Mtns 1240 Comment
  UCR190115  Eriogonum microthecum var. johnstonii R. G. Swinney 1998-8-27 6804 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, above Coldwater Canyon 2652 Comment
  RSA393690  Eriogonum mohavense Anstruther Davidson 1928-7-7 s.n. Los Angeles Acton. Comment
  SBBG64124  Eriogonum nudum var. pauciflorum P. A. Munz, I. M. Johnston 1928-9-5 11188 Los Angeles W of Swartout Valley 1981 Comment
  UC2062978  Eriogonum ordii Elizabeth Kempton with Eric Paul 2006-6-11 385 Los Angeles Vasquez Canyon Road, ca. 1.5-2 mi from Bouquet Canyon Road. Comment
  RSA293344  Eriogonum plumatella C. W. Tilforth, Dorothy Tilforth 1981-8-27 2144 Los Angeles 3 miles west of Pearblossom along Hwy 138. 915 Comment
  POM263030  Eriogonum saxatile J. C. Roos 1937-7-16 373 Los Angeles Mt. San Antonio [Los Angeles - San Bernardino counties]. 2744 Comment
  RSA660446  Eriogonum saxatile Orlando Mistretta 1992-6-26 626 Los Angeles Transverse Ranges; San Gabriel Mts region: Glendora Saddle to Lookout Mountain. Comment
  RSA766270  Eriogonum saxatile Joseph A. Ewan 1932-6-17 7254 Los Angeles Summit Mount Disappointment, San Gabriel Mts. 1829 Comment
  POM122792  Eriogonum umbellatum var. minus Marcus E. Jones 1926-7-8 s.n. Los Angeles San Antonio Peak. Comment
  UCR194031  Eriogonum umbellatum var. minus R. G. Swinney 1998-9-7 6926 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, c. 1/4 mi. west of summit of Pine Mountain 2817 Comment
  UC6464  Eriogonum umbellatum var. munzii J. H. Barber 1897-7-6 243 Los Angeles on Mt. Gleason San Gabriel Range, Mt. Gleason Comment
  UCR209967  Eriogonum umbellatum var. munzii R. G. Swinney 2008-7-15 9230 Los Angeles San Gabriel Mtns., Cloutburst Summit, north of Hwy 2 and west of Winston Peak trail 2140 Comment
  SBBG163  Eriogonum viridescens R. Hoffmann 1927-8-31 Los Angeles Palmdale Comment
  RSA757083  Eriogonum wrightii R. G. Swinney 2008-10-8 9514 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  CAS-BOT-BC297966  Eriophyllum confertiflorum Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4244 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  RSA0060782  Eriophyllum confertiflorum LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6808 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA248837  Eriophyllum confertiflorum R. F. Thorne 1973-4-11 42848 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA624646  Eriophyllum confertiflorum L. C. Wheeler 1973-5-5 s.n. Los Angeles San Gabriel Mountains: Mill Canyon off Soledad Canyon. 762 Comment
  RSA660197  Eriophyllum confertiflorum Yvonne Rasmussen, Deborah Rasmussen 1984-5-5 7 Los Angeles 3.8 miles from Pasadena city limits sign, on Angeles Crest Highway. Comment
  RSA773600  Eriophyllum confertiflorum R. G. Swinney 2009-6-24 11269 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  UCR271896  Eriophyllum confertiflorum R. G. Swinney 2010-4-28 12410 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
  UCR281027  Eriophyllum confertiflorum Mitch Provance 2017-6-30 617- 36 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  CHSC83590  Eriophyllum confertiflorum var. confertiflorum John Dittes 1990-6-7 78 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. On slope 30 feet above creek. 725 Comment
  SBBG98517  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-23 5488 Los Angeles lower Tota Cyn 60 Comment
  HSC87039  Eriophyllum pringlei A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7767 Los Angeles Lancaster, near Quartz Hill, S of Ave. L at 37th St. W 747 Comment
  SBBG65685  Eriophyllum wallacei J. R. and R. C. Robbins 1930-3-29 Los Angeles Antelope Valley Comment
  SEINET7063586  Eriophyllum wallacei A. G. Vestal 1947-4-8 s.n. Los Angeles East of Littlerock on Pearblossom Highway. UTM Zone 11, 410583mE, 3820399mN. (WGS84/NAD83). 887 Comment
  UCR222852  Eriophyllum wallacei R. G. Swinney 2009-4-29 10576 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
  SFV22031  Erodium botrys V. Soza, I. E. Anderson, L. Gross 2000-6-6 976 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. North of Chandler Fire Road (Verdugo Mountainway), north of O' La Tuna, above Chandler and Fisher Canyons, south of La Tuna Canyon. Open ridgetop, firebreak. 488 Comment
  RSA251397  Erodium botrys Robert F. Thorne 1966-4-17 36083 Los Angeles San Clemente Island, near reservoirs between Boulder & Horton, NE side of island. 488 Comment
  RSA391810  Erodium cicutarium Franklin W. Klepinger 1938-4-23 s.n. Los Angeles Malibu Lake region. Comment
  RSA598899  Erodium cicutarium Steve Boyd, T. S. Ross 1997-3-21 9215 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UC56277  Erodium cicutarium Miss E. D. Palmer 1902-2-1 Los Angeles Los Angeles Comment
  UCR259943  Erodium cicutarium R. G. Swinney 2010-3-18 11979 Los Angeles San Gabriel Mountains, Kagel Canyon, 2.2 miles north of I-210 Fwy., via Kagel Canyon St., and 100-300 m east of Kagel Canyon Road 540 Comment
  UCR194565  Erodium macrophyllum A. C. Sanders 2008-4-25 35112 Los Angeles Transverse Range; Western San Gabriel Mtns., hill slopes c. 0.8 mi. NE of old La Liebre Ranch, 0-0.3 mi. south of Hwy 138 970 Comment
  SEINET8566802  Erodium moschatum G. B. Grant 1901-1 447 Los Angeles Pasadena. Comment
  RSA530262  Erysimum capitatum var. capitatum Marjorie Shaw, Edna Spaulding, C. L. Walton 1917-4-6 s.n. Los Angeles Antelope Valley. Desert Flats 915 Comment
  RSA429810  Erysimum suffrutescens Richard Arnold 1984-8-10 1027 Los Angeles LAX dunes, Playa del Rey (El Segundo Blue survey) Area V2. Comment
  RSA530237  Erysimum suffrutescens Robert M. Perkins 1936-2-24 101 Los Angeles Playa del Rey Comment
  RSA609615  Erysimum suffrutescens L. C. Wheeler 1974-4-4 s.n. Los Angeles West end of Los Angeles International Airport. 60 Comment
  CHSC37355  Erythranthe cardinalis T. P. Spira 1976-7-12 62 Los Angeles White Fir Springs, off of Angeles Crest Hwy (2), Angeles National Forest. 1828 Comment
  UCR280574  Eschscholzia caespitosa R. G. Swinney 2014-6-5 16726 Los Angeles San Gabriel Mountains, Glendora, ridgetop north of Church of the Open Door, adjacent to & east of easternmost Hook Cyn. 427 Comment
  RSA433655  Eschscholzia californica N. C. Cooper 1945-5-1 2197 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  UCR152881  Eschscholzia californica A. C. Sanders, Helen Kennedy 2005-4-13 29423 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  RSA160859  Eschscholzia californica Percy C. Everett, Nick Lolonis 1962-5-3 24469 Los Angeles W side of Antelope Valley, Hwy 138 and 235 St. W. SW corner. Comment
  RSA658411  Eschscholzia californica Erinn Wilson 1996-5-18 28 Los Angeles found off j lot [Cal Poly Pomona, parking] Comment
  RSA21783  Eschscholzia californica var. crocea Carl B. Wolf 1937-5-20 8744 Los Angeles Tehachapi Mts., 1 mi. so. of Tejon Pass on Hungry Valley Road. 1280 Comment
  RSA199017  Eschscholzia hypecoides W. M. Gauntt 1966-4-30 176 Los Angeles Glendora Mt. Ridge Road. 1/2 mile south of ''Y'' to Mt. Baldy. 915 Comment
  UCR119534  Eschscholzia minutiflora L. C. Wheeler 1973-4-21 s.n. Los Angeles San Gabriel Mtns., East fork of Kentucky Springs Canyon 1280 Comment
  UCR151657  Eschscholzia minutiflora R. G. Swinney 1998-4-14 5980 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
  RSA603535  Eschscholzia ramosa Sara L. Crockett 1997-4-2 649 Los Angeles Santa Catalina Island. Point above Empire Landing Quarry site, .25 miles N of Empire Landing Road, from point 2.4 miles from jct. with Airport Road. 241 Comment
  SBBG96654  Eschscholzia ramosa R. F. Thorne 1966-4-15 36010 Los Angeles ca. 0.5 mi SSE of Eel Pt 3 Comment
  UCR48940  Eucalyptus camaldulensis A. C. Sanders 1987-7-22 7151 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 Comment
  CATA3149  Eucalyptus polyanthemos Amy Catalano, Tyler Dvorak 2016-6-1 136 Los Angeles Santa Catalina Island: Emerald Bay, property edge along West End Road 17 Comment
  SD178147  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, Plum Canyon Rd. in Mint Canyon, northwest of Forest Park and south of Cruzan Mesa. Under shrubs, on north and south-facing slopes. 594 Comment
  UCR119058  Eucrypta chrysanthemifolia Jeremiah George 2001-3-19 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 3 Comment
  UCR153579  Eucrypta chrysanthemifolia A. C. Sanders, T. B. Salvato 2005-4-26 29711 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UCR260337  Eucrypta chrysanthemifolia R. G. Swinney 2010-5-4 12557 Los Angeles San Gabriel Mountains, Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary 482 Comment
  SDSU6019  Eucrypta chrysanthemifolia Gerald Collier 1951-4-22 M 408 Los Angeles Santa Monica Mtns. Sunset Blvd about 1 mile east of the ocean, in a Ravine on north side of road. Comment
  SFV16835  Eucrypta chrysanthemifolia var. chrysanthemifolia J. D. Dilley 1997-3-29 148 Los Angeles Santa Monica Mountains Studio City. Beatty Dearing Trail, beginning on Mulholland Drive, 0.5 miles west of Laurel Canyon Drive. 245 Comment
  UCR281988  Eulobus californicus R. G. Swinney 2014-4-18 16116 Los Angeles San Gabriel Mountain/Mojave Desert, SW of Littlerock, 1.4 miles east of Cheseboro Rd., 100-300 m south of California Aqueduct, west of Little Rock Siphon and Little Rock Wash 968 Comment
  SD211596  Euphorbia albomarginata K. Dobry 1991-6-13 D 855 Los Angeles Thousand Oaks Simi Hills on slopes of Metclef ridge. 1/2 mile North of Olsen Road off Moorpark Road Comment
  SD124827  Euphorbia maculata A. C. Sanders 1986-7-30 6810 Los Angeles El Segundo Dunes, immediately west of L.A. International Airport & Pershing Dr., east of Vista de Mar Blvd., coastal dunes formerly largely occupied by residential neighborhoods where houses were removed ca. 15 years ago, growing from a pavement crack 29 Comment
  SD260946  Euphorbia nutans A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36944 Los Angeles San Gabriel Valley: Baldwin Park, San Gabriel River channel south of Ramona Blve. And north of I-10 Fwy, under SCE powerlines. 86 Comment
  RSA482519  Euphorbia peplus Richard Noyes, Laurel Arnseth 1988-4-30 504 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  UCD142466  Euphorbia peplus Robert F. Thorne 1966-9-15 36697 Los Angeles Santa Catalina Island; Middle Ranch Canyon; Middle Ranch. 213 Comment
  UCR126621  Euphorbia serpillifolia A. C. Sanders, Mark Elvin 2003-8-7 27167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Santa Clara River bottom southwest of Del Valle, east of Mayo Spur 267 Comment
  UCR205677  Euphorbia serpillifolia A. C. Sanders, T. B. Salvato 2009-5-29 37034 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
  SEINET242410  Euphorbia terracina J. Ditomaso 2001-4-7 s.n. Los Angeles Malibu Canyon Road, entrance to Pepperdine University. Comment
  POM187601  Euthamia occidentalis Joseph A. Ewan 1931-10-24 5277 Los Angeles Santa Monica Mountains: 0.5 mile below Seminole Hot Springs. Comment
  SBBG37751  Extriplex californica M. B. Dunkle 1939-4-5 7275 Los Angeles China Pt Comment
  UCR101738  Festuca californica L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  LA200948  Festuca microstachys Peter H. Raven; David S. Verity 1960-5-7 15322 Los Angeles Santa Monica Mountains, Arroyo Sequit 243 Comment
  UCR119845  Festuca microstachys L. C. Wheeler 1967-5-24 9743 Los Angeles San Gabriel Mtns, Angeles National Forest, Indian Canyon, '2300 ft 488 Comment
  UCR153321  Festuca microstachys A. C. Sanders, T. B. Salvato 2005-4-26 29737 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, bowl between ridges at NE end of Cruzan Mesa, just south of Vasquez Canyon Road 595 Comment
  UCR205293  Festuca microstachys var. pauciflora Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1682 Los Angeles Transverse Ranges; San Gabriel Mountains region, Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from c. 0.75 to 2.5 miles ESE from Three Points trailhead 2104 Comment
  UCR178906  Festuca myuros R. G. Swinney 1989-4-26 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 335 Comment
  UCR206153  Ficus carica R. G. Swinney 2008-5-30 8897 Los Angeles San Gabriel Mtns., San Gabriel Canyon at El Encanto, west bank of the river 256 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
  UCR49276  Ficus virens A. C. Sanders 1987-9-28 7394 Los Angeles El Segundo Dunes west of Los Angeles International Airport and Pershing Drive 38 Comment
  RSA188203  Filago californica R. F. Thorne, Percy C. Everett 1965-6-22 34913 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  UCR259949  Filago californica R. G. Swinney 2010-4-28 12436 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
  RSA650270  Foeniculum vulgare A. E. Hersh 1950-7-25 s.n. Los Angeles Locale- dry vacant lot, Washington Blvd. and Sawtelle, Culver City 30 Comment
Read comments
Dec 9 2013
  SBBG11101  Foeniculum vulgare D. E. Breedlove 1961-9-23 1289 Los Angeles Middle Ranch Crk, 1 mi from ocean 91 Comment
  RSA579132  Foeniculum vulgare T. S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin Banks, Megan Tommerup 1994-3-28 7442 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; narrow, eroded canyon through southerly coastal bluffs, ca. 2750m SE of Inspiration Point and 2680m WNW of White Point., Near 33 deg. 43 33.5 , 118 deg. 20 28 W 8 Comment
  RSA569841  Forestiera pubescens Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4875 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  CAS-BOT-BC52539  Frangula californica subsp. californica Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3834 Los Angeles Vicinity of Crystal Lake: Crystal Lake USGS 7.5' Quad. 1700 Comment
  RSA391389  Frankenia grandifolia F. R. Fosberg 1931-4-3 S 4471 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach. 2 Comment
  CATA344  Frankenia salina Mark L. Hoefs 1973-7-20 385 Los Angeles Santa Catalina Island: Along inland rim of Catalina Harbor 1 Comment
  RSA719593  Frasera neglecta R. G. Swinney 1997-7-17 5684 Los Angeles Summit of Table Mountain, NW of Wrightwood. 2277 Comment
  RSA0048379  Fremontia californica E. Gooley 1968-5-20 s.n. Los Angeles n3, Aliso Canyon Road, San Gabriel Mountains. 1066 Comment
  CAS-BOT-BC212388  Fremontodendron californicum A. D. E. Elmer 1902-6-1 3686 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC212392  Fremontodendron californicum Joseph Andorfer Ewan 1936-7-29 9853 Los Angeles West slope Table Mt., Southwest Valley, San Gabriel Mts. 2133 Comment
  CAS-BOT-BC212397  Fremontodendron californicum Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3359 Los Angeles Ca 120 m. NNW of Icy Springs, around a stone building that has been gutted by fire, the Webber Cabin, Big Rock Creek Canyon, San Gabriel Mountains 1731 Comment
  LA22124  Fritillaria biflora var. biflora Martha Hilend; K. Kinsel 1929-3-9 sn Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Hills, W of Hollywood Lake. Comment
  LA33608  Fritillaria biflora var. biflora Peter H. Raven; Henry J. Thompson 1959-4-3 13913 Los Angeles SANTA MONICA MOUNTAINS, Saddle Peak, 0.5 mi NE of peak. 822 Comment
  RSA79209  Fritillaria pinetorum G. R. Campbell 1952-6-8 18505 Los Angeles Table Mountain, just above Forest Service Headquarters, Big Pines Recreation area, San Gabriel Mountains 2287 Comment
  RSA653538  Galium Ian Thompson 1997-4-28 67 Los Angeles Cal Poly Pomona Ecological Reserve, South slope on east of Culvert Canyon. Comment
  RSA706906  Galium Gary D. Wallace, M. Wallace 1985-3-2 2179 Los Angeles Palos Verdes Peninsula, S of Los Angeles. N of Portugese Bend and the school on Forrestal Rd. Comment
  JEPS114003  Galium andrewsii subsp. intermedium Timothy S. Ross and Steve Boyd 1994-9-21 8301 Los Angeles Liebre Mountain: upper west summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-460 m ENE of Sandberg Triangulation Point Comment
  RSA164822  Galium andrewsii subsp. intermedium Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mtn. Angeles National Forest. 1616 Comment
  RSA702444  Galium angustifolium subsp. angustifolium Scott D. White 2004-7-27 10630 Los Angeles San Gabriel Mtns. Clear Creek area. Roadside and hiking trail S side of Angeles Forest Hwy, ca. 0.2 mi W of jtn with Angeles Crest Hwy. 1067 Comment
  UC440442  Galium angustifolium subsp. angustifolium Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topango Canyon Santa Monica Mountains Comment
  POM367693  Galium angustifolium subsp. angustifolium C. Epling, L. Ellison 1929-4-27 s.n. Los Angeles Santa Monica Mountains. Topango Canyon. Comment
  RSA11782  Galium angustifolium subsp. angustifolium E. Lloyd 1933-5-5 s.n. Los Angeles Topanga Canyon. Comment
  RSA191191  Galium angustifolium subsp. angustifolium Robert F. Thorne, M. Z. Thorne 1967-7-19 37146 Los Angeles Angeles National Forest: Crystal Lake Recreation area, just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  OBI35696  Galium angustifolium var. siccatum Rebecca Cicoria 1982-5-8 79 Los Angeles Palos Verdes Peninsula: Eastern slope of upper Agua Magna Cyn, along Storms Trail, Rolling Hills Comment
  SBBG98497  Galium aparine T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5261 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll 384 Comment
  UCR219448  Galium aparine R. G. Swinney 2009-3-28 10198 Los Angeles Transverse Range; San Gabriel Mtns., Monrovia Mountain Park, trail 0-40 m above canyon bottom, from park entrance to 0.4 mi. up canyon 427 Comment
  POM4535  Galium aparine D. L. Crawford, Hiatt 1916-3-28 s.n. Los Angeles Santa Monica Mountains. Comment
  POM7060  Galium aparine var. echinospermum L. T. Street, P. A. Munz, G. Williams 1919-4-5 2440 Los Angeles Puddingstone Canyon. San Dimas. 274 Comment
  RSA167787  Galium catalinense subsp. catalinense Robert F. Thorne, Percy C. Everett 1964-2-6 33299 Los Angeles Santa Catalina Island above Fourth of July Cove. 30 Comment
  RSA187809  Galium catalinense subsp. catalinense Robert F. Thorne 1966-4-7 35983 Los Angeles Santa Catalina Island. Above beach near Parson Landing W of Arrow Point 5 Comment
  RSA588970  Galium johnstonii Orlando Mistretta 1994-6-8 1351 Los Angeles Little Rock Creek, un-named drainage draining N slope of Bare Mountain 1738 Comment
  CATA46  Galium nuttallii USC Wrigley Interns: Miller Zou, Daniel Kasang, Alexandria Cheung, Sabrina Lawrence-Gomez, Sarah Ratay 2011-7-8 26 Los Angeles Santa Catalina Island: Deer Valley Trail 62 Comment
  RSA678819  Galium nuttallii Valerie L. Soza, Samantha Tessel 2001-6-18 1295 Los Angeles Firebreak above Chantry Flat heliport, ca. 0.2 mile west of heliport, off FS Road 2N41.2, west side Santa Anita Canyon. 838 Comment
  SDSU10616  Galvezia speciosa D. F. Howe 1953-5-3 2273 Los Angeles Cliff overlooking ocean, south side of Wain Canyon. Santa Catalina Island. Comment
  POM292453  Gamochaeta pensylvanica H. M. Hall 1915-5-24 111 Los Angeles Pasadena. Comment
  RSA392386  Garrya flavescens var. pallida Bonnie C. Templeton 1936-4-14 5639 Los Angeles North of Strawberry Peak. Comment
  RSA309628  Garrya veatchii Walter Wisura 1983-8-30 3926 Los Angeles N slopes of Sunset Peak Comment
  SD72797  Gastridium phleoides F. R. Fosberg 1931-4-22 S 4677 Los Angeles Eagles Nest, Middle Ranch Canyon, Santa Catalina Island, dry north wall 199 Comment
  UCR193137  Gayophytum R. G. Swinney 1998-7-14 6449 B Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.8 mi. west of Camp Lupine trail 2262 Comment
  UCR209921  Gayophytum R. G. Swinney 2008-7-25 9303 Los Angeles San Gabriel Mtns., Twin Peaks, East Peak 2366 Comment
  RSA729741  Gayophytum decipiens R. G. Swinney 1998-7-8 6302 Los Angeles San Gabriel Mtns.: NW of Wrightwood, eastern end of Jackson Flat. 2287 Comment
  LA211896  Gayophytum diffusum Orlando Mistretta; 1992-7-9 665 Los Angeles SAN GABRIEL MOUNTAINS, Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  UC1595380  Gayophytum diffusum subsp. parviflorum Tim Ross and Steve Boyd 1990-6-18 3468 Los Angeles Camp Verdugo Pines and vicinity San Gabriel Mtns., Mescal Creek USGS 7.5' quad (northerly draw draining to Jackson Lake) 1877 Comment
  UCD168209  Gilia J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR214065  Gilia A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37950 Los Angeles Tehachapi Mountains, Crane Canyon, 0.83 mi. SE (142 deg. ) of Castac Lake, 1.81 mi. NE (35 deg. ) of Gorman, just S of Kern Co. line 1128 Comment
  SFV2856  Gilia achilleifolia M. L. Vincent 1960-4-30 61 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 1 mile west of New Topanga Canyon Road. Dry slope. Comment
  RSA690964  Gilia aliquanta subsp. aliquanta J. Mark Porter, Lauren Machen 2004-5-2 14093 Los Angeles San Gabriel mountains, northern foothills; along Big Pines Highway, neare the 2.4 mile marker. 1402 Comment
  RSA177799  Gilia angelensis R. F. Thorne, P. C. Everett 1965-5-11 34574 Los Angeles N side of N beach of Little Harbor; Santa Catalina Island 15 Comment
  RSA791801  Gilia angelensis Mark Elvin 2003-4-22 2529 Los Angeles Western Transverse Range: Newhall Ranch, bee site on open former oil well pad just east of Grapevine Mesa, south of Santa Clara River and highway 126, c. 4 miles east of Ventura county line. 314 Comment
  UCR270112  Gilia angelensis R. G. Swinney 2010-4-15 12259 Los Angeles San Gabriel Mountains, Indian Canyon, at confluence with Lopez Cyn., east side of Lopez Cyn. Road, NE side of jct. of Lopez Cyn. Rd. and Bailey Rd., outside forest service boundary 415 Comment
  RSA470100  Gilia angelensis Donald R. Bissing 1973-5-18 91 Los Angeles Evey Canyon, San Gabriel Mountains: roadside 0.4 mile from mouth of canyon. 732 Comment
  RSA756120  Gilia brecciarum subsp. brecciarum Orlando Mistretta, Christine Mistretta 2008-4-30 2574 Los Angeles Southern California Edison transmission line corridor (Segement 5, structure 19 per TRTP survey, 2008), in the vicinity of Ritter Ridge, S side of Antelope Valley. 1034 Comment
  SBBG125787  Gilia brecciarum subsp. neglecta A. Parikh, N. Gale 2010-6-10 3277 Los Angeles Sierra Pelona, NW of Vincent and Soledad Pass, 2.5 km NW of State Hwy 14; E Liebre Mtns 1100 Comment
  UC450823  Gilia capitata subsp. abrotanifolia Fay A. MacFadden 1931-3-29 64 E Los Angeles Tuna Canyon , Tuna Canyon (Verdugo Hills) Comment
  RSA518983  Gilia capitata subsp. abrotanifolia Barbara Ertter, L. R. Heckard, Teresa Sholars, J. Hickman, et al. 1988-5-23 7475 Los Angeles Pine Canyon Rd along San Andreas fault on N side of San Gabriel Mts (Co Rd N2) Comment
  RSA775870  Gilia diegensis Orlando Mistretta, Christine Mistretta 2010-5-26 5205 Los Angeles Upper Mill Creek canyon drainage, S of Mill Creek Summit, along Southern California Edison transmission line corridor. 1463 Comment
  RSA67728  Gilia latiflora subsp. davyi Verne Grant, Alva Grant 1952-4-23 17578 Los Angeles From Mojave to Lancaster and then into Antelope Valley. Comment
  RSA252933  Gilia leptantha subsp. transversa R. F. Thorne, C. W. Tilforth 1973-4-20 43030 Los Angeles San Gabriel Mts., Mojave Desert slopes: ridge N of Shoemaker Canyon, 3 mi. WNW of Mile High & c. 1.5 mi E of Big Rock Springs 1372 Comment
  UCR194022  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-5 7257 Los Angeles San Gabriel Mtns., east side of Big John Peak, west of Mescal Creek above Big John Flat 1839 Comment
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May 3 2012
  RSA567174B  Gilia malior T. S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-27 3912 -A Los Angeles Liebre Mtn: N slope, along upper portions of the Pacific Crest Trail which follows the ridge just E of Horse Camp Canyon. 1488 Comment
  UCR194300  Gilia modocensis R. G. Swinney 1998-8-5 6665 Los Angeles San Gabriel Mtns., East Fork San Gabriel River, c. 0.4 mi. south of Alder Gulch 1098 Comment
  CAS-BOT-BC402004  Gilia ochroleuca subsp. bizonata Frank W. Peirson 1921-5-20 4135 Los Angeles Little Rock Creek, San Gabriel Mts. 1005 Comment
  UC23817  Gilia ochroleuca subsp. bizonata J. Burtt Davy May 9 1896-May 24 1896 2326 Los Angeles Llano Verde Antelope Valley, , Llano Verde (West Palmdale) Comment
  UCR193162  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-14 6437 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail 2247 Comment
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May 3 2012
  CAS-BOT-BC402026  Gilia ochroleuca subsp. bizonata Clare B. Hardham 1966-5-7 14154 Los Angeles Pine Canyon road to Palmdale, near Gorman 1219 Comment
  CAS-BOT-BC402074  Gilia ochroleuca subsp. vivida Elizabeth McClintock 1965-7-2 s.n. Los Angeles San Gabriel Mountains, Table Mountain, above Wrightwood 2133 Comment
  CDA22263  Gilia tricolor subsp. tricolor Garrettson 1915-1 s.n.-A Los Angeles Montebello Hills District. 0 Comment
  SEINET3163638  Gilia virgata G. B. Grant 1901-1 502 Los Angeles from Santa Monica Range, S. Cal. Comment
  RSA727272  Githopsis diffusa subsp. diffusa R. G. Swinney 1998-5-30 6153 Los Angeles San Gabriel Mtns.: San Dimas Experimental Forest, Fern Canyon 890 Comment
  UCR213780  Githopsis diffusa subsp. diffusa Scott D. White, Justin M. Wood 2009-5-6 12656 Los Angeles San Gabriel Mountains, San Gabriel River - West Fork, large fill slope on the south side of Cogswell Reservoir 915 Comment
  RSA599943  Gnaphalium californicum L. C. Wheeler 1968-3-17 s.n. Los Angeles San Gabriel Mountains: Wildwood Canyon along Ferguson Motorway. 480 Comment
  LA203656  Gnaphalium leucocephalum Louis Wheeler; 1931-9-11 136 Los Angeles 2 mi. NE of La Verne 373 Comment
  RSA279031  Gnaphalium luteoalbum R. F. Thorne, C. W. Tilforth 1971-4-9 41549 Los Angeles Angeles National Forest: below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  RSA598269  Gnaphalium microcephalum R. G. Swinney 1989-8-6 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton debris basin, in a disturbed area. 365 Comment
  RSA708241  Gnaphalium palustre Scott D. White 2004-5-5 10310 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UC896936  Gnaphalium palustre F. R. Fosberg 1931-7-14 S 5404 Los Angeles Echo Lake Santa Catalina Island, Echo Lake 400 Comment
  RSA589074  Gnaphalium palustre Orlando Mistretta 1994-6-6 1332 Los Angeles San Gabriel Mountains: Little Rock Creek, Slopes on E side of canyon S of junction of Forest Service roads 4N15 and 5N04.3 1220 Comment
  RSA596080  Gnaphalium stramineum Timothy S. Ross, S. D. Boyd 1995-6-28 8649 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 707 Comment
  RSA584319  Grayia spinosa T. S. Ross, Steve Boyd 1991-3-23 4259 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  RSA729349  Grayia spinosa R. G. Swinney 1999-5-1 7099 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
  UCD98856  Grayia spinosa E. La Rue; R. Montijo 1991-4-2 91- 1 Los Angeles Palmdale. Property bounded on the N by Avenue M, on the W by 20th St. West, on the S by Avenue N, and on the E by 10th St. West; W of Hwy 14. 792 Comment
  RSA696728  Grayia spinosa Seacord s.n. Los Angeles West Mojave Comment
  OBI28055  Greeneocharis circumscissa David J. Keil, Dirk Walters 1977-4-30 12290 Los Angeles On S side of Calif rte 138 in vicinity of jctn with Los Angeles Co Rd N-2 across hwy from Quail Reservoir Comment
  RSA756891  Grindelia camporum var. camporum Orlando Mistretta, Christine Mistretta 2008-4-8 2395 Los Angeles Along SCE transmission lines, about 1 mile SE of intersection of Transmission lines with Elizabeth lake Road. (Segment 5, structure 32 per TRTP survey-2008) 965 Comment
  CAS-BOT-BC305270  Grindelia hirsutula John Thomas Howell 1931-5-29 6562 Los Angeles Hills of Santa Monica Mts. at Santa Monica Comment
  LA210062  Guillenia lasiophylla J. Sauer; 1977-3-26 5944 Los Angeles Santa Monica Mountains, Lower Tuna Canyon Comment
  PASA1739  Gutierrezia divergens Elizabeth Sarge Los Angeles Sierra Madre Comment
  UCD132599  Gutierrezia microcephala David Charlton 1990-8-30 3930 Los Angeles west Mojave Desert: Palmdale, corner of Ave R and 30th St. East, around 1 mile south of Highway 138. 807 Comment
  RSA190989  Harpagonella palmeri R. F. Thorne, Rollins, Propst, Carolin 1967-3-18 36729 Los Angeles Catalina Island. Salta Verde, appox. N of Salta Verde Point 244 Comment
  RSA628698  Harpagonella palmeri L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island. 0.3 mile south southeast Isthmus Bench Mark. 122 Comment
  SBBG113082  Harpagonella palmeri S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 631 Los Angeles S of rd to East Pk, on ridge WSW of Pk 1245, ca. 0.95 air mi NW of East Pk 329 Comment
  LA203733  Hazardia squarrosa var. grindelioides Louis C. Wheeler; 1931-9-25 159 Los Angeles Eagle Rock 274 Comment
  SFV20796  Hazardia squarrosa var. grindelioides L. Gross, V. Soza, N. Gilbert 2000-10-18 281 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. A short walking distance from road in a northwest facing draw, east of saddle near above coordinates. 610 Comment
  UCR241597  Hedera canariensis Dan S. Cooper 2012-9-6 912- 75 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  UCR273165  Hedypnois cretica R. G. Swinney 2011-5-10 14629 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
  UCD18355  Hedypnois cretica Tom Yutani 1999-5-1 s.n. Los Angeles city of La Miranda. Comment
  CAS-BOT-BC306643  Helenium bigelovii I. M. Johnston 1917-7-28 1525 Los Angeles San Antonio Mountains. N. Fk San Antonio Canon [Canyon] (Gold Ridge Mine) 2438 Comment
  UCR190081  Helenium bigelovii R. G. Swinney 1998-8-5 6635 Los Angeles San Gabriel Mtns., Bear Gulch, 0.3 miles north of confluence with Prairie Fork, SW of Wrightwood 1524 Comment
  RSA629684  Helenium puberulum Scott D. White, David E. Bramlet 1998-8-11 7041 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  RSA702192  Helianthemum scoparium Scott D. White, Pam DeVries 2004-6-14 10486 -A Los Angeles Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of I-5 / SH-14 jtn and 6 mi S of Castaic Junction. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA670434  Helianthemum scoparium var. vulgare I. W. Clokey, B. C. Templeton 1929-05 4490 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  UCD169691  Helianthus annuus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Big Rock Creek, Old Point Comfort. 1262 Comment
  UCR258864  Helianthus annuus R. G. Swinney 2010-3-16 11938 Los Angeles San Gabriel Mountains/Verdugo Mountains, Confluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210 329 Comment
  CAS-BOT-BC305411  Helianthus annuus John Thomas Howell 1960-3-23 35144 Los Angeles Foothill Blvd., Tujunga Wash Comment
  RSA591060  Helianthus annuus subsp. lenticularis J. M. Porter, J. Travis Columbus, Gracie dos Santos 1996-6-5 10914 Los Angeles Ca. 2 mi N Solemint, just off Arline Rd., 2.0 mi from intersection with Sierra Hwy. Around a vernal pool on shelf above Plum Canyon and Arline Rd. Pool not evident from road. 610 Comment
  RSA594201  Helianthus annuus subsp. lenticularis Steve Boyd, Lauren Raz 1996-10-14 9048 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  POM359984  Helianthus annuus subsp. lenticularis F. R. Fosberg 1930-10-18 641 Los Angeles N* Slough'. [locality name change to'Laguna Dominguez'] 10 Comment
  RSA600517  Helianthus annuus subsp. lenticularis L. C. Wheeler 1968-2-4 s.n. Los Angeles Bluebird Ranch (Truck Trail) east of Richard Ferguson's house 457 Comment
  RSA598263  Helianthus gracilentus R. G. Swinney 1989-5-31 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. Big Dalton Canyon Road, at Big Dalton Dam. 518 Comment
  SBBG13190  Heliotropium curassavicum E. R. Blakley 1961-9-22 4730 Los Angeles Ballast Pt, Catalina Harbor Comment
  RSA4799  Hemizonia australis James Snow 1932-1 s.n. Los Angeles Plants of the Bryant Ranch, Near Long Beach. Station 1, Plant #2 Comment
  RSA0008440  Hemizonia australis Joseph A. Ewan 1931-7-31 4772 Los Angeles Telegraph Road near Santa Fe Crossing, East Los Angeles. Comment
  RSA713825  Hemizonia fasciculata Mark Elvin 2003-6-12 2944 Los Angeles Santa Clarita Valley: Newhall Ranch, S side of Potrero Canyon, S of Potrero Mesa. 335 Comment
  UCR124383  Hemizonia fasciculata I. W. Clokey, B. C. Templeton 1929-1 4600 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  RSA182736  Hemizonia fasciculata J. Massey 1966-4-22 1229 Los Angeles 1 1/2 mi NW of HWY 14 on Escondido Canyon Road 945 Comment
  UCR88686  Hemizonia minthornii Scott D. White 1995-10-11 3694 Los Angeles Santa Susana Mtns., Santa Susana Pass Rd., turnout at unnamed dirt rd., c. 1/2 mi east of Lilac Ln. Comment
  UCR154603  Herniaria hirsuta subsp. cinerea A. C. Sanders, T. B. Salvato 2005-5-24 30274 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, c. 0.5 mi. NW of community of Mint Canyon 610 Comment
  LA88648  Hesperoyucca whipplei Patricia Wilder; 1963-5-18 1269 Los Angeles 236 Comment
  JEPS11806  Heterocodon rariflorum Frank W. Peirson 1921-6-14 1210 Los Angeles Trail Fork San Gabriel; San Gabriel Mountains 990 Comment
  JEPS45027  Heteromeles arbutifolia Frank W. Peirson 1918-7 77 Los Angeles Santa Anita Canyon; San Gabriel Mts. 792 Comment
  RSA449826  Heteromeles arbutifolia Fordyce Griffiths Jr. 1910-06 2087 Los Angeles Switzers Trail. San Gabriel Moutains. Comment
  SBBG19186  Heteromeles arbutifolia M. A. Piehl 1963-12-8 631091 Los Angeles Cave Cyn, 0.25 mi from mouth 30 Comment
  RSA0074417  Heterotheca grandiflora M. B. Dunkle 1928-5-27 1976 Los Angeles Hamilton Canyon, Santa Catalina Island. 46 Comment
  HSC79918  Heterotheca sessiliflora James Henrickson 1972-11-2 8102 Los Angeles 8 mi. NW of Newhall, NW of jct. of Hwy. 5 & Hasley Cyn. Rd. 366 Comment
  UCR126233  Heterotheca sessiliflora A. C. Sanders 2003-3-14 25756 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
  JEPS49740  Heuchera abramsii Frank W. Peirson 1922-7-21 3207 Los Angeles Baldy Mt. San Antonio; San Gabriel Mts, Mt. San Antonio 2956 Comment
  UCR190059  Heuchera elegans R. G. Swinney 1998-10-3 7019 Los Angeles San Gabriel Mtns, upper Fish Fork San Gabriel River, c. 1 mile east (upstream) from Upper Fish Fork Campground 2012 Comment
  OBI26213  Hirschfeldia incana Mark Schneider 1974-1-3 s.n. Los Angeles 7 Hills Ranch avocado orchard, Tujunga 549 Comment
  RSA0037421  Hirschfeldia incana R. G. Swinney 2010-5-29 13416 Los Angeles San Gabriel Mountains: junction of 'W. Fork' May Canyon with May Canyon Truck Trail (FS Rd. 3N54). 793 Comment
  UC1126856  Hirschfeldia incana Jerome S. Horton 1937-6-14 462 Los Angeles San Dimas Canyon Wash 365 Comment
  SBBG32075  Holodiscus discolor R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -305 Los Angeles Descanso Cyn 213 Comment
  CAS-BOT-BC280877  Hordeum brachyantherum subsp. brachyantherum L. R. A. 1901-6-1 1718 Los Angeles Ballona Creek, Mesmer Comment
  SEINET10598958  Hordeum californicum G. B. Grant Grant 596 a Los Angeles Sherman. Wild Barley. Comment
  RSA4805  Hordeum depressum James Snow s.n. Los Angeles Bryant Ranch, near Long Beach. Collected for correlation with a soil survey by the Association Laboratory, Anaheim, Calif. Comment
  UCR260362  Hordeum murinum R. G. Swinney 2010-6-21 13275 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
  RSA0034979  Hordeum murinum P. R. Brown 1970-4-9 s.n. Los Angeles Canon de Lana. [county not specified] Comment
  RSA177764  Hordeum murinum subsp. glaucum R. F. Thorne, P. Everett 1965-5-10 34510 Los Angeles Near upper end of Gallagher Canyon, Santa Catalina Island. 427 Comment
  RSA600182  Hordeum murinum subsp. glaucum L. C. Wheeler 1968-3-17 s.n. Los Angeles West Fork Morgan Canyon at Ferguson Motorway. 412 Comment
  SD69506  Hordeum murinum subsp. glaucum Robert F. Thorne 1966-4-4 35750 Los Angeles Santa Catalina Island: Isthmus 11 Comment
  UCR89406  Hordeum vulgare David Charlton 1991-5-27 5301 Los Angeles Western Mojave Desert, NE of Palmdale and north of Little Rock, junction of 90th St. East and C Street on road to Edwards A.F.B. 945 Comment
  SEINET6755762  Horkelia cuneata subsp. puberula G. B. Grant, W. Wheeler 1904-5-7 599 Los Angeles Glendora, in waste 'wash' land. Comment
  SBBG72542  Horkelia rydbergii V. Duran 1933-7-11 3517 Los Angeles Sulphur Springs 1524 Comment
  CAS-BOT-BC213014  Hosackia crassifolia Le Roy Abrams; E. A. McGregor 1908-7-3 587 Los Angeles North Baldy Mountain, San Gabriel Mountains 1828 Comment
  SD11897  Hosackia oblongifolia Victor Duran 1933-7-22 3528 Los Angeles San Gabriel Mountains, Buckhorn, marshy places & along streams 1981 Comment
  CAS-BOT-BC311945  Hulsea heterochroma Geo. B. Grant 1902-6-10 s.n. Los Angeles Martin's Camp Comment
  RSA0115962  Hulsea heterochroma R. G. Swinney 2010-9-21 13868 Los Angeles San Gabriel Mountains; summit of Mt. Hawkins, at north end of Copter Ridge. 2683 Comment
  UCR270109  Hulsea heterochroma R. G. Swinney 2010-9-9 13788 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
  JEPS22767  Hulsea vestita subsp. gabrielensis Rimo Bacigalupi with Reino Alava 1958-7-20 6426 Los Angeles cliffside along Angeles Crest Highway (State Highway 2, along nw shoulder of Mt. Islip); San Gabriel Mts., Angeles National Forest, watershed of S Fo 2164 Comment
  POM184664  Hulsea vestita subsp. gabrielensis Joseph A. Ewan 1932-5-29 7216 Los Angeles Arrastre Canyon. 1402 Comment
  UC1930051  Hulsea vestita subsp. gabrielensis Valerie Soza, Sarah J. De Groot 2003-6-18 1690 Los Angeles Transverse Ranges; San Gabriel Mountains region; Upper Cooper Canyon, along Forest Service Road 2000.5, northeast of Cloudburst Summit, approximatly 0.6 miles above Cooper Canyon trail Camp on east slopes of Winston Peak. 1982 Comment
  CATA1582  Hypochaeris glabra Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2852 Los Angeles Santa Catalina Island: Upper end of road to Toyon Beach 381 Comment
  CATA1791  Isocoma menziesii var. vernonioides Benjamin E. Carter, Tony Summers 2012-8-16 6975 Los Angeles Santa Catalina Island: Below Lasso Loop, between Ben Weston Point and China Point 40 Comment
  CAS-BOT-BC324737  Iva axillaris A. C. Sanders; Mark Elvin 2002-6-20 25243 Los Angeles Santa Clar River bottom at confluence with Castaic Creek near and above bench mark 926 at foot of bluffs on south of riverNE end of Santa Susana Mtns. 289 Comment
  OBI70654  Juglans californica Tim Ross, Annette Ross 1991-3-7 4152 Los Angeles Elephant Hill : Western Pomona T1S R9W, W2/3 S 1/2 sect 26 (projected); San Dimas USGS 7.5 ' quadrangle 335 Comment
  SD197807  Juglans californica R. G. Swinney 2008-4-9 8621 Los Angeles San Gabriel Mountains: Glendora, Wildwood Canyon. 328 Comment
  SFV5524  Juglans californica var. californica W. A. Kelley May 1966 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  SD69015  Juncus acutus Robert F. Thorne, D. Propst 1968-5-27 37639 Los Angeles Santa Catalina Island, moist flat area behind dunes, Ben weston beach, at mouth of Middle Ranch Canyon. Comment
  SEINET11790065  Juncus acutus subsp. leopoldii S. B. Parish, Parish, W. F. 1882-1 657 Los Angeles Wilmington Comment
  RSA368132  Juncus balticus subsp. ater F. R. Fosberg, Joseph A. Ewan 1931-8-13 S 5539 Los Angeles Big Cienega, Pine Flats, N Fork San Gabriel River. 2000 Comment
  RSA0094091  Juncus effusus subsp. austrocalifornicus Richard G. Swinney 2011-10-13 15799 Los Angeles San Gabriel Mountains: Chilao Flat, FS road crossing of Chilao stream, east of Chilao Visitors Center and west of Hwy 2. 1622 Comment
  JEPS45910  Juncus ensifolius Victor Duran 1933-7-25 3531 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  UCR239959  Juncus mexicanus R. G. Swinney 2009-11-16 11646 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, Aliso Canyon, 2.6 miles west of junction with Angeles Forest Hwy, 150 m north of Aliso Cyn. Rd. 1027 Comment
  RSA368291  Juncus oxymeris Anstruther Davidson 1889-08 s.n. Los Angeles E. Los Angeles. Comment
  IRVC29007  Juncus rugulosus A. C. Sanders, Mark Elvin 2002-6-25 25278 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
  UCR148045  Juncus textilis Steve Boyd, Amber Maurice 2004-5-18 11335 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA700318  Juncus torreyi A. C. Sanders, Mark A. Elvin 2002-6-25 25288 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. 274 Comment
  UCR209128  Juncus torreyi R. G. Swinney 2008-6-25 9102 Los Angeles San Gabriel Mountains, Glendora, Harrow Canyon Debris Basin, seep on north-central side 387 Comment
  CATA1358  Juncus xiphioides Mark L. Hoefs, Robert F. Thorne 1995-7-26 2470 Los Angeles Santa Catalina Island: Lower Middle Canyon, just below Eagle's Nest Lodge 134 Comment
  RSA595948  Juncus xiphioides Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8877 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  SBBG131536  Juncus xiphioides S. A. Junak 1999-7-16 SCa 1053 Los Angeles lower Cottonwood Cyn, just downstream from crossing of rd to Ben Weston Beach Comment
  CAS-BOT-BC81001  Juniperus californica L. R. Abrams 1941-4-18 13871 Los Angeles State Highway 138, western end of Antelope Valley Comment
  HSC79121  Juniperus californica James Henrickson 1973-5-12 9594 Los Angeles 9 mi. SW of Little Rock, .2 mi. S of Mt. Emma Rd., along Hwy. N3 1189 Comment
  SEINET3863458 Image available Juniperus californica Timothy S. Ross, Steve Boyd 1994-9-20 8229 Los Angeles 2 miles NW of ACTON: Sandy wash, S side of intersection Escondido Cnayon Road & Red Rover Mine Road.; 0 884 Comment
  RSA602315  Keckiella breviflora var. breviflora Steve D. Boyd, Lauren Raz 1997-6-17 9946 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  POM4309  Keckiella cordifolia D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  SBBG105477  Keckiella cordifolia F. R. Fosberg 1931-3-27 4400 Los Angeles Hamilton Cyn, on North Wall 50 Comment
  SBBG119500  Keckiella cordifolia E. R. Blakley 1963-12-8 6384 Los Angeles cliff face, head of cyn above Mosquito Cove between Triangulation Pts "Malo" and "Chenity"; above reach of goats 304 Comment
  SBBG55014  Keckiella cordifolia C. Anderson 1963-6-20 120 Los Angeles Wilderness Park, Eaton Cyn, Altadena 350 Comment
  UC1587694  Keckiella cordifolia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5217 Los Angeles se end San Clemente Island (vicinity of Knob, se draw leading into upper Knob Canyon, 5100 ft nw of Guds) 251 Comment
  RSA400478  Keckiella ternata subsp. ternata V. V. Giles 1936-7-5 19 Los Angeles Road into Crystal Lake 1524 Comment
  CAS-BOT-BC246112  Keckiella ternata var. ternata Ynez Whilton Winblad 1937-6-26 s.n. Los Angeles Ridge Route, n. Los Angeles Angeles Co. Comment
  CAS-BOT-BC246117  Keckiella ternata var. ternata W. R. Dudley 1900-7-9 s.n. Los Angeles Near summit of Mt. Lowe, San Gabriel Mountains Comment
  CAS-BOT-BC176820  Kochia californica Ernest C. Twisselmann 1970-10-17 17552 Los Angeles Antelope Valley: Avenue C 0.6 mile east of (old) Highway 14 (wastelands at the west shore of Rosamond Dry Lake) 716 Comment
  UC70695  Koeleria macrantha G. B. Grant June 1902 5100 Los Angeles Mt. Wilson 1828 Comment
  CAS-BOT-BC271345  Koeleria pyramidata Peter H. Raven; Henry J. Thompson 1959-5-5 14148 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Road Malibu Creek drainage, Santa Monica Mountains 304 Comment
  RSA339708  Krascheninnikovia lanata R. F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 55015 Los Angeles S of Emma Mountain Road, just E of Little Rock Creek 1006 Comment
  UCR99482  Krascheninnikovia lanata Steve Boyd, Lauren Raz 1997-3-4 9158 Los Angeles Liebre Mtns., S base of Sierra Pelona ridge, east of Crown Valley and NW of Acton Canyon, just north of Sierra Highway c. 0.8 mi. east of Crown Valley Road. 927 Comment
  CATA1650  Lactuca serriola Mark L. Hoefs, Steven A. Junak 1998-6-12 2934 Los Angeles Santa Catalina Island: Hillside above Catalina Harbor 14 Comment
  RSA640959  Lactuca serriola L. C. Wheeler 1931-7-22 s.n. Los Angeles La Verne: Wheeler's residence. Comment
  RSA591180  Lactuca serriola Steven A. Junak 1981-7-30 SCI 33 Los Angeles San Clemente Island: Central portion of island, just S of Old Airfield. 262 Comment
  RSA601330  Lagophylla ramosissima subsp. ramosissima Steve Boyd, Lauren Raz 1997-6-18 9966 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  POM352649  Lamarckia aurea Jack Rempel 1932-3-27 s.n. Los Angeles El Segundo. Comment
  POM280182  Lampranthus roseus Arthur L. Cohen 1934-8-2 520 Los Angeles Ocean Park. Comment
  SEINET13710413  Lasthenia californica J. Adams, J. Adams (Botany) 1965-1 69 Los Angeles Claremont, Pomona College Wash 1100 Ft 335 Comment
  UCR100606  Lasthenia coronaria B. G. Pitzer 1996-5-5 2845 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR199948  Lasthenia coronaria Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1159 Los Angeles Transverse Ranges: Verdugo Mountains, ridgetop above McDonald Creek 457 Comment
  CHSC34559  Lasthenia glabrata James Henrickson 1973-6-15 10717 Los Angeles City of Long Beach along overflow channel, W of Los Angeles River Channel between Long Beach Blvd. and Del Mar Ave. 6 Comment
  UC53940  Lasthenia glabrata subsp. coulteri Ernest Braunton 1902-5-15 322 Los Angeles Gardena Comment
  UC893749  Lasthenia gracilis F. R. Fosberg 1931-3-27 S 4410 Los Angeles near Avalon; Santa Catalina Island, Hamilton Canyon 80 Comment
  POM18976  Lasthenia gracilis P. A. Munz 1923-4-9 6688 Los Angeles Near Lemon Tank, Santa Clemente Island. Comment
  RSA586000  Lasthenia gracilis Adree M. Desrochers 1990-4-19 473 Los Angeles Near Palmdale, along Ave Q, 0.2kim W of Division St/Ave Q Comment
  SFV20853  Lathyrus vestitus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 717 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. On west descending ridge down into Brand Canyon on east side of Brand Canyon. 576 Comment
  UCR78126  Lathyrus vestitus Wandalee Thompson 1964-4-11 7 Los Angeles Transverse Range; Liebre Mtns., De La Fodor Ranch, Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  RSA248862  Lathyrus vestitus subsp. laetiflorus R. F. Thorne 1973-4-11 42850 Los Angeles San Clemente Island, middle portion of Norton Canyon. 274 Comment
  RSA632951  Lathyrus vestitus var. vestitus Valerie L. Soza, Kent Hughes 1999-6-17 547 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail at San Olene Canyon. 732 Comment
  UC15382  Lathyrus vestitus var. vestitus W. H. Brewer Feb 1861 199 Los Angeles n slope San Fernando Valley Comment
  CAS-BOT-BC321532  Layia glandulosa Nora Pettibone; Frank W. Hubby 1897-4-3 s.n. Los Angeles Pasadena Comment
  CAS-BOT-BC321537  Layia glandulosa Timothy S. Ross 1994-5-31 7973 Los Angeles San Gabriel Mountains. Pacifico Mountain: ridgetop 660 m WNW of the 7124-fot summit. 2081 Comment
  JEPS32793  Layia glandulosa E. R. Blakley 1958-5-9 2264 Los Angeles 2 mi e Gorman 1097 Comment
  SJSU2496  Layia glandulosa H. L. Buckalew 1962-4-18 Los Angeles between Vincent & Little Rock Comment
  RSA587515  Layia glandulosa Orlando Mistretta 1995-3-24 1557 Los Angeles San Gabriel Mountains, Carr Canyon. 1052 Comment
  UC53938  Layia glandulosa Ernest Braunton 1902-5-10 324 Los Angeles Rivera Comment
  CAS-BOT-BC377812  Layia platyglossa Geo. B. Grant n.s. 6263 Los Angeles Isthmus Comment
  CAS-BOT-BC380217  Layia platyglossa Peter H. Raven 1959-4-4 13972 Los Angeles Santa Monica Mountains: Point Dume 15 Comment
  CATA2980  Layia platyglossa Peter J. Dixon 2015-2-19 011 Los Angeles Santa Catalina Island: Near Two Harbors, on ridge 1.5 miles SSE of village of Two Harbors. 320 Comment
  RSA233588  Lepechinia fragrans Robert F. Thorne 1970-3-5 39357 Los Angeles Santa Catalina Island. Middle Ranch Canyon. 396 Comment
  UCR147784  Lepechinia fragrans Valerie Soza, Et al. 2000-7-7 1059 Los Angeles San Gabriel Mountains, above Henninger Flats, along Mt. Wilson Road (FSR 2N45.2) 915 Comment
  RSA49396  Lepidium flavum P. A. Munz 1949-4-26 13085 Los Angeles Near Phelan, Mojave Desert 945 Comment
  RSA429895  Lepidium fremontii Anstruther Davidson 1893-5-12 1857 Los Angeles Lancaster. Comment
  RSA584313  Lepidium fremontii Timothy S. Ross 1991-3-23 4258 Los Angeles Lovejoy Buttes, on the Mojave Desert: NE portion of the main buttes, west of Lovejoy Springs (destroyed by development 926 Comment
  SBBG19142  Lepidium nitidum M. A. Piehl 1963-12-7 631054 Los Angeles opposite Pyramid Head on SE tip of island (inland from Triangulation Pt "Rock") 9 Comment
  RSA251539  Lepidium nitidum R. F. Thorne 1973-4-11 42784 Los Angeles San Clemente Island; small pools in gully at head of Middle Ranch Canyon in grassy plateau. 427 Comment
  POM302274  Lepidium virginicum Lyman Benson 1957-5-23 15729 Los Angeles North end of Indian Hill Boulevard, above Claremont 487 Comment
  CAS-BOT-BC60036  Lepidium virginicum var. menziesii Alice Eastwood 1906-6-5 205 Los Angeles Glendale. Comment
  CHSC92806  Lepidospartum squamatum John Dittes 2006-1-2 1307 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
  POM183641  Lepidospartum squamatum var. squamatum J. Ewan 1929-8-17 3451 Los Angeles Trancas Canyon, Pt. Dume, Santa Monica Mountains Comment
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May 8 2014
  POM266612  Leptochloa fusca subsp. fascicularis J. C. Roos 1942-9-12 1732 Los Angeles Roosevelt Highway, Santa Monica. Comment
  SBBG118871  Leptochloa fusca subsp. uninervia G. D. Wallace 1979-5-2 1834 Los Angeles Arcadia, SW corner of Baldwin Ave and Foothill Blvd Comment
  UC303735  Leptodactylon pungens I. Johnston 1917-7-3 1411 Los Angeles Upper San Antonio 2286 Comment
  UCR209932  Leptodactylon pungens R. G. Swinney 2008-7-15 9201 Los Angeles San Gabriel Mtns., Winston Peak 2287 Comment
  RSA251416  Leptosiphon bicolor R. F. Thorne 1966-4-17 31627 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 274 Comment
  RSA17057  Leptosiphon breviculus C. B. Wolf 1936-5-27 7862 Los Angeles San Gabriel Mountains: Aliso Canyon to Buckhorn Flats Road, 10 mi. above Tie Camp Summit 1677 Comment
  RSA609042  Leptosiphon breviculus L. C. Wheeler 1968-5-12 s.n. Los Angeles Divide between Punchbowl Canyon and Watkins Creek, at end of road and beginning of Burkhart Trail. 1585 Comment
  UCR259582  Leptosiphon parviflorus R. G. Swinney 2010-6-8 13183 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 1.0-1.8 miles east of nature center along Placerita Cyn. Trail, south side of stream 549 Comment
  UCR11919  Lessingia filaginifolia H. J. Thompson 1958-10-23 1818 Los Angeles Western Transverse Range; Santa Monica Mtns., Point Dume 30 Comment
  LA38819  Lessingia filaginifolia var. filaginifolia Peter H. Raven; Henry J. Thompson 1959-10-4 14559 Los Angeles Santa Monica Mountains, Point Mugu, just W of point 15 Comment
  UCSB27666  Lessingia glandulifera var. glandulifera Lavinger, S. 1975-10-8 Los Angeles On Wentworth Street 0.2 miles north from its junction with Stonehurst Avenue, San Bernardino Valley 152 Comment
  SFV19129  Leymus condensatus P. M. Schiffman 2004-5-26 s. n. Los Angeles San Fernando Valley Sesnon Blvd. westbound deadend. 500 Comment
  SEINET3259578 Image available Lilium humboldtii R. G. Swinney 1998-7-10 6367 Los Angeles San Gabriel Mtns.; confluence of Bear Gulch and Prairie Fork Canyon, south side of canyon along Prairie Fork stream. 1488 Comment
  UCR132348  Lilium humboldtii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mountains, Arroyo Seco, Pasadena, north of Jet Propulsion Laboratories, transect one 381 Comment
  UCR124753  Lilium parryi B. C. Templeton 1933-7-21 5051 Los Angeles San Gabriel Mountains, upper end of Prairie Forks 2058 Comment
  UCD170139  Limonium perezii R. G. Swinney 2008-12-6 9974 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel. 229 Comment
  SD69029  Limonium sinuatum Robert F. Thorne, D. Propst 1968-5-29 37705 Los Angeles Santa Catalina Island; south of riding stables by golf course. 14 Comment
  CAS-BOT-BC226764  Linanthus californicus Alice Eastwood 1913-5-11 s.n. Los Angeles San Fernando Wash Comment
  RSA468449  Linanthus californicus subsp. glandulosus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  UC106909  Linanthus dichotomus unknown Los Angeles Watts; Sunset Oil Company Comment
  JEPS116927  Linanthus liniflorus David Gowen 2008-4-30 882 Los Angeles Southwest corner of Avenue D (Hwy 138) and 210th St. West. Comment
  RSA0082880  Linanthus pungens R. G. Swinney 2011-7-21 15533 Los Angeles Strawberry Peak summit. 1860 Comment
  RSA80175  Linaria canadensis F. W. Peirson 187 Los Angeles Burned area east of Rubio Canyon Comment
  CAS-BOT-BC426264  Lithophragma affine M. E. Jones 1882-5-3 3223 Los Angeles Pasadena Comment
  RSA561604  Lithophragma bolanderi Steve Boyd, Orlando Mistretta 1993-6-3 8173 -A Los Angeles North of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile northeast of May Canyon saddle. 914 Comment
  RSA660261  Lithophragma bolanderi Orlando Mistretta, Peter L. Morrell 1992-6-4 490 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA229197  Lithophragma heterophyllum R. F. Thorne, C. W. Tilforth 1971-6-29 40735 Los Angeles San Gabriel Mountains, Angeles National Forest: along Lucas Creek S of Big Tujunga Narrows along Angeles Forest Road 915 Comment
  RSA527685  Lithophragma heterophyllum Mike Hammit, Orlando Mistretta 1991-6-4 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Sawpit Canyon; Angeles National Forest. 610 Comment
  UC1408949  Lithophragma heterophyllum Donald R. Bissing 1973-4-6 38 Los Angeles 0.5 mi from mouth of Evey Canyon; San Gabriel Mountains, Evey Canyon 725 Comment
  RSA737269  Lobelia dunnii Scott D. White, Chris Huntley 2008-9-30 12544 Los Angeles San Gabriel Mountains: San Gabriel River- West fork between Bear Creek and Cogswell Dam. 610 Comment
  RSA502793  Lobelia dunnii var. serrata T. S. Ross, Annette H. Ross 1989-9-20 1779 Los Angeles San Antonio Canyon near pond west of Spring Hill and below Baldy Road in the Canyon 975 Comment
  LA200324  Lobularia maritima W. O. Griesel; 1936-5-16 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA602763  Lobularia maritima L. C. Wheeler 1972-12-24 12798 Los Angeles San Gabriel Mountains: Las Flores Canyon. 823 Comment
  RSA738057  Lobularia maritima M. A. Sanatay 1966-6-10 s.n. Los Angeles Verdugo Hills. 152 Comment
  SD41387  Lobularia maritima Edith A. Purer 1931-4-28 2028 Los Angeles Redondo Beach Comment
  CAS-BOT-BC174511  Loeflingia squarrosa Alice Eastwood 1906-6-5 250 Los Angeles Roscoe Comment
  SBBG71610  Loeflingia squarrosa R. Hoffmann 1932-4-27 Los Angeles 5 mi N of Lancaster Comment
  RSA337418  Loeseliastrum matthewsii R. F. Thorne 1973-5-11 43533 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  SBBG17762  Logfia arizonica P. H. Raven 1962-5-9 17671 Los Angeles near head of cyn at S end of Mosquito Cove 320 Comment
  UCR94700  Logfia depressa A. C. Sanders, E. J. Lott 1993-5-6 13982 Los Angeles Western Mojave Desert, SW edge of Rosamond Dry Lake, near east end of Ave 'C,' just west of Piute Ponds and east of Sierra Hwy, at edge of Edwards AFB 700 Comment
  UC1348965  Logfia filaginoides Robert F. Thorne 1966-4-4 35760 Los Angeles bluff se of Ballast Point and Catalina Harbor (Isthmus); Santa Catalina Island 60 Comment
  UCR276900  Logfia gallica R. G. Swinney 2011-3-29 14268 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
  UCR210204  Lolium perenne R. G. Swinney 2008-8-14 9431 Los Angeles San Gabriel Mtns., South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  POM155790  Lolium temulentum M. B. Dunkle 1928-4-13 900 Los Angeles Renton Mine Road, Santa Catalina Island. 274 Comment
  RSA452079  Lomatium dasycarpum G. R. Proctor 1944-3-4 801 Los Angeles Santa Susana Pass 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
  SD51655  Lomatium lucidum Gale Sphon 1959-5-8 331 Los Angeles Ca. 3.5 miles west of Soledad Canyon turnoff on Highway 6, Mint Canyon Comment
  SDSU2234  Lomatium mohavense D. F. Howe 1979-4-30 5087 Los Angeles 2 miles northwest of Devil's Punch Bowl. 1433 Comment
  UCR221913  Lomatium nevadense var. parishii R. G. Swinney 2009-4-28 10527 B Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  RSA716548  Lomatium vaginatum Andrea Edwards, Pam De Vries 2006-5-15 112 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  RSA100222  Lonicera interrupta F. W. Peirson 1919-6-14 4504 Los Angeles Rock Creek, north slopes of San Gabriel Mts. 1295 Comment
  RSA455358  Lonicera subspicata var. denudata Kathrine Houghton 1931-7-10 s.n. Los Angeles Griffith Park. Comment
  UCR270835  Lonicera subspicata var. denudata R. G. Swinney 2011-5-26 14866 Los Angeles San Gabriel Mountains, 0.3-0.5 miles south of Aliso Canyon Road, 2 miles west of Angeles Forest Hwy., nameless cyn. to the east of Beartrap Cyn. 1073 Comment
  RSA406099  Lotus crassifolius var. crassifolius F. C. Boutin 1966-4-12 s.n. Los Angeles Mt. Lukens 1524 Comment
  POM50108  Lotus dendroideus var. dendroideus L. W. Nuttall 1921-1-14 1004 Los Angeles Santa Catalina Island. Big Wash Canyon. Comment
  RSA406919  Lotus dendroideus var. dendroideus M. B. Dunkle 1929-4-6 2082 Los Angeles Santa Catalina Island. Avalon Canyon, Equestrian trail Comment
  UC519908  Lotus grandiflorus Carl Epling and Louis Wheeler 1933-6-4 1849 Los Angeles near Sandbergs (Ridge Route) 1524 Comment
  POM243731  Lotus hamatus F. R. Fosberg 1931-3-26 S- 4394 Los Angeles Santa Catalina Island. Above St. Catherine Hotel. 15 Comment
  RSA188209  Lotus hamatus R. F. Thorne, P. C. Everett 1965-6-22 34894 Los Angeles Santa Catalina Island., upper end of Avalon Canyon along road. 213 Comment
  RSA3722  Lotus hamatus C. B. Wolf 1932-5-10 3512 Los Angeles Santa Catalina Island. Avalon Canyon above the east almond orchard. 121 Comment
  RSA647881  Lotus heermannii var. heermannii LeRoy Gross, Wayne Law 2000-8-8 178 Los Angeles Big Tujunga Wash/ Verdugo Mountains region: East of Hansen Dam, entered at Orcas Ave. Parked at Orcas Park, hiked east of this park along river (just north of Wentworth Street), but not as far as the Tujunga ponds. 325 Comment
  UCR274997  Lotus humistratus Michael Honer, Rachel Woodard 2006-4-24 2223 Los Angeles Tehachapi Mountains area, C. 2 miles east of Quail Lake, 1 mile east of aqueduct; 1 mile north of Hwy 138 1006 Comment
  RSA0098369  Lotus nevadensis R. G. Swinney 2011-6-6 14998 Los Angeles San Gabriel Mountains: Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  RSA549145  Lotus nevadensis var. davidsonii T. S. Ross 1992-7-16 6691 Los Angeles Near summit of Mt. Gleason, just E of the military reservation. 1901 Comment
  SEINET6655526  Lotus nevadensis var. davidsonii Orlando Mistretta 1992-6-12 564 Los Angeles Transverse Ranges; San Gabriel Mtns region: Cow Canyon (Road 2N29 EA- from Saddle to 2nd main drainage).; 0 Comment
  RSA592300  Lotus oblongifolius var. oblongifolius L. C. Wheeler 1967-5-13 9523 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Ward's Grove. 259 Comment
  RSA188212  Lotus salsuginosus R. F. Thorne, P. C. Everett 1965-6-23 34947 Los Angeles Santa Catalina Island. Ben Weston Beach, W side of island. Comment
  RSA675736  Lotus salsuginosus Scott D. White 2001-6-5 8562 Los Angeles Liebre Mountains: Grasshopper Canyon area. 427 Comment
  UCR281642  Lotus salsuginosus R. G. Swinney 2014-5-8 16476 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
  RSA406841  Lotus scoparius S. C. Mason 1921-05 s.n. Los Angeles Redondo. Comment
  RSA0103297  Lotus strigosus Valerie Soza 1998-4-26 74 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: Just west of main road, SE of pHake Lake, just N of Foothill Boulevard., Near 34 deg. 06'39''N, 117 deg. 42'48''W at center of BFS. On fire road. 412 Comment
  RSA526567  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4252 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR223722  Lotus strigosus R. G. Swinney 2009-6-8 11109 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy 1720 Comment
  UCR277461  Lotus strigosus Mitch Provance, Stephen Reynolds 2011-5-5 17213 Los Angeles San Gabriel Valley, City of San Gabriel, northwest of the intersection of Burton Ave. and E. Las Tunas Dr. 130 Comment
  UCR95320  Lotus strigosus L. C. Wheeler 1967-4-30 9237 Los Angeles San Gabriel Mtns, Limekiln Canyon 564 Comment
  RSA347556  Lotus strigosus B. A. Prigge 1986-3-20 6974 Los Angeles 0.4 miles east of Gorman on Lancaster Road 1128 Comment
  SEINET3560008 Image available Lotus strigosus Noel H. Holmgren, Patricia K. Holmgren 1974-4-5 7628 Los Angeles North foothills of San Gabriel Mountain, Portal Ridge, 13 air miles W of Lancaster 1067 Comment
  RSA599811  Lotus strigosus var. hirtellus Steve Boyd, Lauren Raz 1997-3-25 9303 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. 1097 Comment
  RSA406433  Lotus unifoliolatus D. S. Krause 1939-07 s.n. Los Angeles Open fields in foothills, La Canada Comment
  CAS-BOT-BC201197  Lupinus Fred E. Burlew 1920-7-4 s.n. Los Angeles Mt. San Antonio, San Gabriel Mts. Comment
  SEINET196197  Lupinus albifrons L. R. Abrams 1941-4-18 13867 Los Angeles State Highway 138 one mile east of junction with U.S. Highway 99 Comment
  RSA639108  Lupinus andersonii L. C. Wheeler 1970-7-25 s.n. Los Angeles San Gabriel Mountains: Heliport 0.3 mi. N of South Mt. Hawkins 2287 Comment
  RSA0077376  Lupinus andersonii Orlando Mistretta 1992-7-13 675 Los Angeles San Gabriel Mountains: Los Pinetos Spring Canyon Trail. Comment
  UCR271672  Lupinus benthamii R. G. Swinney 2011-5-31 14921 A 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
  RSA0047915  Lupinus bicolor R. G. Swinney 2010-5-12 12737 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
  RSA0089524  Lupinus bicolor R. G. Swinney 2011-5-12 14702 Los Angeles San Gabriel Mountains: Aliso Canyon Creek, 50-100 m west of Aliso Cyn. Road, 0.5 miles W of Angeles Forest Hwy, west of mouth of Cabin Cyn. Creek. 1183 Comment
  RSA0095253  Lupinus bicolor R. G. Swinney 2011-5-6 14582 Los Angeles San Gabriel Mountains: north of Glendora, Glendora Mountain summit along old fire break. 1006 Comment
  SBBG127529  Lupinus bicolor M. L. Hoefs, S. A. Junak, L. Stratton 1998-3-21 2808 Los Angeles hillside above upper Cape Cyn 359 Comment
  SEINET13383412 Image available Lupinus bicolor R. G. Swinney 2010-1 13085 Los Angeles San Gabriel Mountains: Kentucky Spring Canyon, 50-400 meters east of Angeles Forest Hwy. at 1.7 miles south of Soledad Pass Rd. 1073 Comment
  UCR258893  Lupinus bicolor R. G. Swinney 2010-4-30 12468 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  CAS-BOT-BC187854  Lupinus chamissonis Geo. B. Grant 1901-4-1 3821 Los Angeles Redondo Beach Comment
  RSA679860  Lupinus concinnus LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 888 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway. 1143 Comment
  RSA725091  Lupinus concinnus Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -1 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
  UC127558  Lupinus concinnus J. Burtt Davy May 9 1896-May 24 1896 2495 Los Angeles Richardson's Canyon Antelope Valley (Antelope Valley); , Richardson's Canyon Comment
  SEINET10970250  Lupinus densiflorus Robert F. Thorne 1973-5-11 Thorne 43501 Los Angeles Near mouth of Big Rock Creek Canyon, on dry roadbanks. 1204 Comment
  UCR86845  Lupinus excubitus Scott D. White 1995-4-27 2967 Los Angeles Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon. Road, SW of Malibu Civic Center Way 92 Comment
  RSA597123  Lupinus excubitus var. austromontanus T. S. Ross 1990-6-22 3715 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  RSA599288  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-3-31 9424 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  UCR174488  Lupinus excubitus var. excubitus Anuja Parikh, Nathan Gale 2005-4-23 2107 Los Angeles Western Transverse Range, Newhall Ranch (study area 51), VCC, near Castaic Creek 330 Comment
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Apr 9 2009
  RSA0105029  Lupinus excubitus var. hallii R. G. Swinney 2011-4-26 14498 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
  RSA652214  Lupinus excubitus var. hallii Gene Cooper 1961-4-17 s.n. Los Angeles San Gabriel Canyon, N. of Azusa. Comment
  SEINET10870993  Lupinus excubitus var. hallii David B. Dunn 1957-5-18 Dunn RSA 6226 x succ.(?) Los Angeles Plants 3 yrs. Old. Grown in field planting at rancho santa ana botanical Garden. Pressed by howard brown. Hybridization by david b. Dunn. The numbers Are the field plant numbers of rsa. 1St # is female parent x 2nd # male Parent. () Parenthetic # is f1 plant number. Seeds from open field pollen Vector. Comment
  UCR178853  Lupinus formosus LeRoy Gross, Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 699 Los Angeles Transverse Range, Verdugo Mountains, South side, along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway 695 Comment
  POM11097  Lupinus formosus var. formosus H. D. Collins 1921-4-22 45 Los Angeles Claremont. 366 Comment
  CHSC3740  Lupinus hirsutissimus Sue Boergadine 1966-4-28 12 Los Angeles App. 8 mi NE of Newhall. 914 Comment
  CAS-BOT-BC211696  Lupinus longifolius Theodore Payne 1948-5-15 12286 Los Angeles La Canada Comment
  RSA522944  Lupinus longifolius T. S. Ross 1990-10-24 3302 Los Angeles San Gabriel Mountains: Upper reaches of Venedo Canyon (off the E side of the San Gabriel Reservoir) where crossed by the Upper Monroe Road. 880 Comment
  SEINET2062673 Image available Lupinus longifolius Norman C. Cooper 1945-5-1 2176 Los Angeles Tapia Park area, Santa Monica Mountains. 609 Comment
  SEINET10485630  Lupinus longifolius David B. Dunn 1956-1 Dunn s.n. Los Angeles Plants 2 yrs. Old. Grown in a field planting at rancho santa ana botanical Garden. Hybridization by david b. Dunn. Seeds from open field pollen vector. Comment
  UCR154359  Lupinus microcarpus A. C. Sanders 2005-5-5 29905 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  UC177216  Lupinus microcarpus var. densiflorus S. B. Parish 1914-5-27 9256 Los Angeles near the summit Teforo Pass (Tejon Pass?) (Southern California); near the summit of Teforo Pass (Tejon Pass?) Comment
  PASA1672  Lupinus odoratus Stason 1930-5-11 Los Angeles Lovejoy Buttes Comment
  RSA0031572  Lupinus sparsiflorus Nancy Hamlett 2014-4-23 s.n. Los Angeles Bernard Field Station, Clarmont. 366 Comment
  RSA0064301  Lupinus sparsiflorus Daisie Huang 2008-4-1 08040102 Los Angeles Road to Lake Piru Recreation Area. 94 Comment
  RSA008658  Lupinus sparsiflorus Fay A. MacFadden 1931-3-20 3001 Los Angeles Verdugo Mountains: Tuna Canyon. Comment
  RSA0068441  Lupinus succulentus R. G. Swinney 2010-6-8 13212 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
  SBBG38750  Lupinus succulentus R. Moran 1941-3-4 676 Los Angeles Rocky Pt, Little Harbor 15 Comment
  SDSU5017  Lupinus succulentus R. M. Beauchamp 1967-3-29 369 Los Angeles Santa Catalina Island. Growing beside road along beach south of Avalon. Comment
  RSA414332  Lupinus succulentus Ora M. Clark 1929-2-3 1502 Los Angeles Palos Verdes Estates Comment
  SD113426  Lupinus succulentus Darley F. Howe 1947-3-23 1521 Los Angeles Palos Verdes Comment
  LA52451  Lupinus truncatus Carl Epling; 1931-3-21 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  UCSB72622  Lupinus truncatus Soza, Valerie; Sidibeh, Miriam 2003-3-26 Los Angeles Transverse Ranges; Verdugo Mountains region: Western San Rafael Hills: Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Dr and Caraino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  SD248504  Lycium brevipes var. hassei R. E. Jr. Riefner 2010-4-4 10 8 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, ca. 0.25 mi N from Paseo Del Mar along Palos Verdes Drive West. Bluff-top and along trail. 92 Comment
  POM263246  Lycium cooperi J. C. Roos 1937-5-31 690 Los Angeles Desert S of Lancaster. Comment
  RSA249752  Lycium cooperi Robert F. Thorne 1973-5-11 43483 Los Angeles 1/4-1/2 mile N of Bob's Gap, N slope of Holcomb ridge, ca. 2.5 miles due S of Llano. 1159 Comment
  RSA250706  Lycium cooperi Robert F. Thorne, J. P. Simon, John Dourley, H. Caulfield 1970-5-1 39543 Los Angeles Along lower Big Rock Creek ca. 1 mi. S of Valyermo Station 1250 Comment
  RSA155792  Lyonothamnus floribundus subsp. floribundus Peter H. Raven 1962-5-20 17786 Los Angeles Santa Catalina Island. Grove above White's Landing on Airport Road. 427 Comment
  RSA578202  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8186 Los Angeles Santa Catalina Island. Vicinity of Twin Rocks, 380m SSW of 940-ft peak; between E and W forks of the easternmost blue-line drainage to Goat Harbor. 235 Comment
  RSA578219  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8178 Los Angeles Santa Catalina Island. 990m NNE of Blackjack Mountain, 760m SSW of Echo Lake, near head of draw draining to White Cove. 363 Comment
  UCR17926  Lyonothamnus floribundus subsp. floribundus C. B. Liter, J. A. Powell 1928-4-5 s.n. Los Angeles Channel Islands, Santa Catalina Island, Banning Canyon [= Swains Canyon, above Bannings Beach] Comment
  SBBG96852  Lyonothamnus floribundus var. aspleniifolius S. Boyd with T. Ross, L. Arnseth 1990-4-7 4207 Los Angeles upper reaches of China Cyn Comment
  RSA612004  Madia gracilis L. C. Wheeler 1932-7-2 902 Los Angeles Brown's Flat 1311 Comment
  RSA774797  Madia gracilis R. G. Swinney 2009-7-23 11393 Los Angeles Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UC1211070  Madia gracilis Huron H. Smith 1912-5-30 5038 Los Angeles beach road near Avalon; Santa Catalina Island Comment
  RSA13148  Mahonia nevinii Percy C. Everett 1935-6-25 7244 Los Angeles San Fernando Valley: 1 mile NE of Pacoima on both sides of Van Nuys Blvd. 244 Comment
  RSA725843  Maianthemum stellatum Richard G. Swinney 1997-7-16 5667 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
  SBBG109046  Malacothamnus clementinus S. A. Junak with J. Stone 1996-5-29 SCl 543 Los Angeles China Cyn, ca. 1.55 mi inland from bridge across mouth of cyn 158 Comment
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Jun 19 2014
  SBBG118478  Malacothamnus davidsonii O. Mistretta 1992-7-14 723 Los Angeles Gold Cyn Trail; Tujunga Ranger District Comment
  RSA0127210  Malacothamnus davidsonii Louis C. Wheeler 1967-7-18 10109 Los Angeles Gold Creek off Little Tujunga Canyon. 549 Comment
  RSA695388  Malacothamnus fasciculatus A. C. Sanders, Mark A. Elvin 2002-8-1 25542 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, canyon on south side of central Potrero Canyon, SSW of old ranch headquarters. 396 Comment
  SEINET4044543  Malacothamnus fasciculatus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains, Malibu Creek State Park. 259 Comment
  SBBG12940  Malacothamnus fasciculatus var. catalinensis E. R. Blakley 1962-10-6 5479 Los Angeles Bullrush Cyn, S of Middle Ranch 228 Comment
  CAS-BOT-BC206355  Malacothamnus fremontii Tim Ross; Steve Boyd 1994-5-25 7927 Los Angeles Hanging Basin ca 470 - 830 m W of Warm Springs Mtn summit, these collections from ca 600-800 m WSW of summit, Necktie Basin - Liebre Mountains 1075 Comment
  RSA2841  Malacothamnus fremontii Carl B. Wolf 1931-10-23 2496 Los Angeles Swartout valley. 1/8 mile east of Wrightwood Lodge, San Gabriel Mountains. 1829 Comment
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Jul 4 2013
  UC586923  Malacothamnus fremontii Joseph Andorfer Ewan 1934-8-3 8448 Los Angeles San Gabriel Mountains,Table Mt., head of Le Montaine Creek 2225 Comment
  UCR127636  Malacothamnus fremontii Mark A. Elvin 2003-8-13 2986 Los Angeles Santa Clarita Valley, Newhall Ranch, Santa Clara River at the mouth of Long Canyon 274 Comment
  UCR187179  Malacothrix californica A. C. Sanders 2006-4-21 32143 Los Angeles Tehachapi Mtns. Foothills, hills c. 1.25 miles east of Quail Lake, east of the Cement Plant Rd. and SE of Calif. Aqueduct, c. 0.25 mi. north of Hwy 138 1037 Comment
  CAS-BOT-BC345408  Malacothrix clevelandii John Thomas Howell 1928-5-6 3778 Los Angeles On trail to Madrona [Madrona] Flats, E. Fork of Santa Anita Canon [Canyon], San Gabriel Mts. Comment
  CAS-BOT-BC206645  Malva assurgentiflora Peter H. Raven 1962-5-7 17579 Los Angeles Wilson Cove, San Clemente Island 60 Comment
  UCR50856  Malva nicaeensis A. C. Sanders 1988-5-18 7818 Los Angeles South Coast, El Segundo Dunes, immediately west of Los Angeles International Airport & Pershing Drive, & east of Vista Del Mar Blvd 15 Comment
  SD249239  Malva pacifica Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-21 2211 Los Angeles San Clemente Island; corner of Honor Street and Commitment Street. 116 Comment
  SBBG131985  Malva parviflora S. A. Junak 1990-11-9 SCI 135 Los Angeles immediately below field station, at Camera Pad "Stone" 448 Comment
  UC284780  Malva parviflora P. A. Munz 1923-4-13 6784 Los Angeles San Clemente Island Comment
  CDA5030  Malva parviflora Phillipson 1915-8-2 Los Angeles Monrovia. Comment
  RSA434875  Malva pseudolavatera Robert Gustafson 1981-3-26 2141 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA638238  Manihot utilissima L. C. Wheeler 1973-7-16 s.n. Los Angeles Kerckhoff Estate (Los Angeles ?) Comment
  UCSB6294  Marah fabacea Ballard 1954-4-8 Los Angeles Along Route 395 just south of Fallbrook turnoff 176 Comment
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Mar 1 2017
  RSA441001  Marah macrocarpa T. S. Clare 1929-3-11 s.n. Los Angeles Topanga Canyon. Comment
  SDSU21252  Marah macrocarpa S. H. Bullock 1968-3-23 4 Los Angeles Claremont, Blanchard Park, Mills Ave. between 1st and 6th Streets. 351 Comment
  RSA657930  Marah macrocarpa S. Campbell 1980-6-2 22 Los Angeles Verdugo Mountains; Approx. 400 feet west of Sierra Place on south-eastern slope of Verdugo Mountains. 244 Comment
  SBBG98420  Marah macrocarpa T. Ross 1991-5-22 5461 Los Angeles short cyn 2400' ENE of Spray 685 Comment
  RSA594584  Marah macrocarpa var. macrocarpa L. C. Wheeler 1967-5-2 9273 Los Angeles San Gabriel Mountains. North side foothills ca. 0.3 mi. west of LA Aqueduct, just south of San Clarito Hospital.Baker Ranch on Los Angeles County firearms closure map. 396 Comment
  UCR165240  Marrubium vulgare A. C. Sanders, Helen Kennedy 2005-4-13 29482 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  SDSU6323  Matricaria discoidea A. H. Gallup 1949-4-17 401 Los Angeles Lasca. 152 Comment
  CAS-BOT-BC348126  Matricaria discoidea LeRoy Abrams 1902-5-31 2487 Los Angeles Along streets, Inglewood Comment
  UC217874  Meconella denticulata P. A. Munz and R. D. Harwood 1920-4-21 3694 Los Angeles San Dimas Canyon 457 Comment
  RSA355904  Medicago polymorpha Robert F. Thorne 1975-9-4 47390 Los Angeles Santa Catalina Island: Fishermans Cove; campus of USC Marine Science Center. Comment
  RSA717030  Medicago polymorpha Gary Kovnat, LeRoy Gross 2003-2-16 25 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SBBG96680  Medicago polymorpha S. Boyd with T. Ross, L. Arnseth 1990-4-7 4269 Los Angeles lower half of China Cyn Comment
  SBBG95230  Medicago sativa M. B. Dunkle 1928-4-13 1863 Los Angeles Renton Mine Rd Comment
  SEINET3131646  Medicago sativa G. B. Grant 1901-1-1 759 Los Angeles Pasadena Comment
  CAS-BOT-BC281511  Melica imperfecta Peter H. Raven; Henry J. Thompson 1959-5-5 14149 Los Angeles Santa Monica Mts. Mulholland Highway, 1 mile W of Las Virgenes Rd, Malibu Creek drainage 274 Comment
  POM1215  Melica imperfecta var. flexuosa C. F. Baker 1909-4-20 5280 Los Angeles Claremont. 365 Comment
  RSA0062838  Melilotus albus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6761 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UC56939  Melilotus albus Ernest Braunton 1902-6-30 500 Los Angeles Gardena Comment
  UCR258836  Melilotus indicus R. G. Swinney 2010-3-22 12029 Los Angeles San Gabriel Mountains, Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima 502 Comment
  OBI69389  Melilotus indicus Vicki Arnold 1994-4-21 31 Los Angeles Los Angeles River adj to Lake Balboa N of Burbank Blvd on Balboa Blvd, Van Nuys Comment
  RSA649799  Melilotus indicus Matt Brooks 1988-5-7 30 Los Angeles Whittier, Dark Canyon 0.2 miles east of its confluence with Sycamore Canyon. Comment
  UCSB3449  Melilotus indicus Albright, S. 1957-5-7 Los Angeles Sepulveda Canyon 91 Comment
  UCSB3451  Melilotus indicus Haller, Norman 1953-3-4 Los Angeles Faculty Hill, U.C.L.A. Comment
  UCR193449  Mentzelia R. G. Swinney 1999-6-5 7265 Los Angeles San Gabriel Mtns., ridge extending west from Big John Peak, above Big John Flat 1817 Comment
  RSA0045375  Mentzelia Gary D. Wallace, M. Wallace 1983-5-20 2078 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  UCSB25725  Mentzelia affinis Gliessman, Nan 1968-4-6 Los Angeles 50 feet south of Palmdale Blvd., 0.3 mile east of Goode Hill Road, Leona Valley 1005 Comment
  RSA785479  Mentzelia albicaulis Doris Bowers 1957-4-25 124 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  SBBG44387  Mentzelia albicaulis G. Sphon, D. Hearn 1956-5-30 3 Los Angeles flat, Black Butte, Antelope Valley Comment
  POM263282  Mentzelia congesta J. C. Roos 1937-5-31 547 Los Angeles Big Pines. Comment
  RSA0097782  Mentzelia congesta R. G. Swinney 2011-4-26 14521 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
  SBBG127031  Mentzelia congesta A. Parikh, N. Gale 2011-6-10 3438 Los Angeles S of Kentucky Springs Cyn, 0.4 km W of Angeles Forest Hwy, 2 km N of Aliso Cyn Rd; San Gabriel Mtns 1305 Comment
  RSA233510  Mentzelia congesta Robert F. Thorne, C. W. Tilforth 1972-6-29 s.n. Los Angeles Angeles National Forest: Summit of Table Mountain above Big Pines. 2287 Comment
  RSA0022765  Mentzelia lindleyi Edwin Kline 1922-5-29 s.n. Los Angeles Redondo Beach. Comment
  HSC15875  Mentzelia micrantha C. S. Apperson 1967-6-28 Los Angeles 2.5 mi. from Atmore Meadows Campground, at the bottom of Fish Canyon. Comment
  SD38201  Mentzelia micrantha Edith A. Purer 1931-5-8 2052 B Los Angeles Griffith Park Comment
  UC872432  Mentzelia veatchiana I. W. Clokey, B. C. Templeton 1930-4-8 4657 Los Angeles w Lancaster 400 Comment
  UC1605453  Micropus californicus var. californicus Tim Ross, Janet Takara, and Stacey Otte 1993-4-24 6962 Los Angeles lower Bouchette Canyon draining ne-ward to Johnsons Landing (w end of island beyond isthmus); Santa Catalina Island, Santa Catalina West USGS 7.5' quad 91 Comment
  UCR192584  Microseris douglasii A. C. Sanders 2008-4-10 34795 Los Angeles Transverse Range/Mojave Desert, hills south of Hwy 138, c. 0.85 mile SSW of Neenach School, along dirt track beside old fence line 938 Comment
  RSA95086  Microseris douglasii subsp. tenella F. W. Peirson 1918-5-5 1466 Los Angeles Road from Brents on the Malibu, Santa Monica Mountains Comment
  UCR125415  Microseris lindleyi A. C. Sanders, Mark Elvin 2003-3-5 25737 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Exon Mesa,' due south of large trailer park on Hwy 126, just SE of confluence of Castaic Creek and Santa Clara River 335 Comment
  UCR153573  Microseris lindleyi A. C. Sanders, T. B. Salvato 2005-4-26 29717 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  LA51920  Mimulus aurantiacus J. A. Ewan; 1930-5-30 2240 Los Angeles SANTA MONICA MOUNTAINS, Cahuenga Peak 556 Comment
  UCR207311  Mimulus aurantiacus Darren T. Hasegawa 2007-4-8 s.n. Los Angeles San Gabriel Mtns, Eaton Canyon Park, Angeles National Forest, c. 2 mi. north of I-210 366 Comment
  UCD122373  Mimulus aurantiacus var. pubescens Gordon Pilone 1961-3-3 109 Los Angeles Padua Hills, 100 yards above Spanish Restaurant. Mt. Range: San Gabriel. Drainage Area: Pacific Slope. 396 Comment
  UCSB11266  Mimulus aurantiacus var. pubescens Hancock, Dan 1961-3-31 Los Angeles .4 mi. SE. of Coach Rd; on Haypress Canyon Rd; 4.3 mi. from Avalon Comment
  LA209124  Mimulus aurantiacus var. puniceus Alice Eastwood; 1917-7-25 sn Los Angeles Santa Catalina Island Comment
  UCR142495  Mimulus aurantiacus var. puniceus F. R. Fosberg 1931-4-17 S- 4497 Los Angeles Channel Islands, Hamilton Beach, Santa Catalina Island 2 Comment
  RSA408143  Mimulus brevipes Fay A. MacFadden 1931-6-10 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  SEINET12269797  Mimulus brevipes E. A. Purer 1935-1 6591 Los Angeles Malibu Lodge Rd, Santa Monica Mountains Comment
  POM246631  Mimulus floribundus F. R. Fosberg 1931-5-7 S- 4845 Los Angeles Santa Catalina Island. Cottonwood Canyon, rt. fork. 240 Comment
  SEINET3159649  Mimulus floribundus G. B. Grant 1904-6-16 790 Los Angeles Pasadena. Comment
  RSA624024  Mimulus fremontii var. fremontii Unspecified 1926-6-18 3756 Los Angeles Big Tujunga Canyon. Comment
  LA51863  Mimulus guttatus W. O. Griesel; 1936-4-25 sn Los Angeles Comment
  UCR177253  Mimulus guttatus LeRoy Gross, Michael Denslow, B. Hogshead, Sarah Swartzentruber 2003-6-17 1038 Los Angeles Transverse Ranges; Verdugo Mountains region, South side of mountains, Brand Canyon, at check dam ( man-made waterfall), where the canyon forks 393 Comment
  RSA421061  Mimulus johnstonii Anstruther Davidson 1893-8-20 s.n. Los Angeles Wilson's Peak Comment
  RSA648711  Mimulus longiflorus var. rutilus Ed Brooks 1981-5-29 65 Los Angeles Cal Poly Pomona, Box Canyon, due W of water tank. Comment
  RSA0036824  Mimulus moschatus var. moschatus Justin M. Wood 2011-7-7 4335 Los Angeles San Gabriel Mountains: Little Rock Creek: just upstream of Little Rock reservoir. 999 Comment
  RSA584302  Mimulus pilosus Tim S. Ross, Orlando Mistretta 1993-5-26 7307 Los Angeles W end of the San Gabriel Mountains: Santa Clara Road (U.S.F.S.) between Wilson Canyon Saddle and May Canyon Saddle. Seepy northerly draw, head of a tributary of Los Pinetos Canyon. 1043 Comment
  RSA678784  Minuartia douglasii V. Soza, Steve Boyd 2002-4-10 1413 Los Angeles West side of Haskell Canyon, Del Sur Ridge. Stables Fire 2001 area. 564 Comment
  RSA158308  Minuartia douglasii P. H. Raven 1962-5-10 17718 Los Angeles Near head of canyon north of Thirst (south side), San Clemente Island. 427 Comment
  UCR255500  Mirabilis jalapa Dan S. Cooper 2014-6-26 614- 72 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, Cadman Canyon 155 Comment
  RSA0077095  Mirabilis laevis R. G. Swinney 2010-4-15 12226 Los Angeles Lime Kiln Canyon, 0.25-0.7 miles east of Pacoima Wash. 524 Comment
  RSA0083313  Mirabilis laevis R. G. Swinney 2010-3-22 12027 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  UC212964  Mirabilis laevis var. crassifolia S. B. Parish 1919-4-19 19257 Los Angeles Lone Hill; near San Dimas Comment
  RSA279070  Mirabilis laevis var. crassifolia C. W. Tilforth 1971-4-9 41536 Los Angeles Angeles National Forest: or near entrance thereto and below entrance to wooded area of San Dimas Canyon near San Dimas Creek 381 Comment
  RSA475205  Modiola caroliniana Aaron Liston, S. Meury 1988-4-9 720 -1 Los Angeles Los Angeles; 6th Street near the La Brea Tar Pits. Comment
  CAS-BOT-BC219842  Monardella breweri subsp. breweri W. R. Dudley; F. H. Lamb 1896-6-6 4341 Los Angeles Edge of Antelope Valley near Neenach, Liebre Mountains 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
  UC213275  Monardella breweri subsp. lanceolata I. M. Johnston 1918-9-1 2139 Los Angeles Brown's Flats San Antonio Mountains 1310 Comment
  SBBG71986  Monardella exilis Anstruther Davidson -May-1893 Los Angeles Lancaster Comment
  CAS-BOT-BC221716  Monardella hypoleuca subsp. intermedia Rev. J. C. Nevin 1882-1-1 s.n. Los Angeles San Juan Hot Springs Comment
  RSA188498  Monardella linoides subsp. stricta Robert F. Thorne, J. D. Olmsted 1965-8-26 35363 Los Angeles San Gabriel Mountains, Angeles National Forest: along Blue Ridge near upper end of Holiday Hill Ski Lift 2470 Comment
  RSA639886  Monardella linoides subsp. stricta Louis C. Wheeler 1968-7-16 s.n. Los Angeles San Gabriel Mountains: Icy springs fork of Big Rock Creek, at Angeles Crest Highway. 2134 Comment
  SEINET1910802  Monardella macrantha Elizabeth McClintock 1941-1 133 Los Angeles Julian. About 1 1/2 miles from Julian on Highway 78 turn right on dirt road, and go about .2 mile. This is a short distance from the turn off to Volcan View Drive. Comment
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Mar 23 2014
  UCR205945  Morus alba A. C. Sanders, Mitch Provance, T. B. Salvato 2009-6-1 37073 Los Angeles San Gabriel Valley, Rio Hondo in Whittier Narrows area, west of Rosemead Blvd. (Hwy 19) under SCE powerlines, beyond a tree nursery 63 Comment
  UC1537270  Mucronea perfoliata Gordon H. True Jr. 1935-5-17 308 Los Angeles in hills s Littlerock 914 Comment
  RSA589513  Muhlenbergia appressa Timothy S. Ross, Allan Elvin 1995-5-21 8598 Los Angeles San Clemente Island: Head of Chenetti Canyon, on the W prong of the trident formed at the top of the longest tributary; 1330 ft. SSE of Rest triangulation point (1336-ft). 358 Comment
  SBBG11606  Muhlenbergia appressa P. H. Raven 1962-5-9 17651 Los Angeles rd just N of Guds 249 Comment
  RSA725911  Muhlenbergia microsperma Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 431 Los Angeles Santa Catalina Island. Above Cherry Cove W of Lion Head Pt. 61 Comment
  SEINET9319324  Muilla maritima Unknown 1998-4-14 5992 Los Angeles San Gabriel Mountains (2) Comment
  UC905454  Muilla maritima I. W. Clokey and E. G. Anderson 1935-5-9 5855 Los Angeles San Dimas Canyon Comment
  UCR150905  Muilla maritima Valerie Soza, Kent Hughes 1999-6-17 554 Los Angeles Transverse Ranges; San Gabriel Mountains, Upper Winter Creek Trail, above San Olene Canyon 1296 Comment
  POM318513  Muilla maritima Stan Hales 1963-4-25 33 Los Angeles Diamond Bar Ranch, on the ridge east of Diamond Bar Boulevard, San Jose Hills, Pacific Slope Drainage Area. 305 Comment
  UCR97787  Myoporum laetum Scott D. White 1997-3-12 4729 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  SBBG126072  Myosurus minimus A. Parikh with N. Gale, A. C. Sanders, S. Reynolds 2010-3-29 3135 Los Angeles ephemeral stream ca. 0.7 mi ESE (103 deg) of Quail Lake, NE of intersection of National Cement Plant Rd and Hwy 138 1015 Comment
  SBBG119313  Nassella lepida V. Soza with L. Gross 2001-4-18 1136 Los Angeles between Little Santa Anita and Santa Anita Cyns 701 Comment
  CAS-BOT-BC60406  Nasturtium officinale P. A. Munz; L. S.; G. W. 1919-4-12 2494 Los Angeles Near Puente. Comment
  JEPS123313  Navarretia fossalis David Gowen with Leigh Johnson 2010-5-12 1107 Los Angeles Vernal pool above Plum Canyon Road (dirt), west of Sierra Hwy and Arlene Road. Comment
  SBBG122010  Navarretia setiloba A. Parikh, N. Gale 2003-6-5 753 Los Angeles S end of Cruzan Mesa, 2 km W of Sierra Hwy, 1.7 km SW of Vazquez Cyn Rd 650 Comment
  RSA703589  Nemacladus longiflorus var. breviflorus G. D. Wallace, M. Wallace 1983-5-20 2077 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  LA201798  Nemacladus ramosissimus Arthur C. Gibson; 2003-5-30 4957 Los Angeles Comment
  RSA600062  Nemacladus sigmoideus Steve Boyd, Lauren Raz 1997-5-20 9817 Los Angeles Liebre Mountains region: Eastern flank of Liebre Mountain, along ridge top firebreak near the head of the North Fork Fish Canyon, due north of Atmore meadows and west of the saddle between Liebre and Sawmill mountains. 1585 Comment
  UCD168352  Nemophila menziesii J. W. Barry 1980-4-1 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  UCR259347  Nemophila menziesii var. menziesii Mitch Provance, Callen Huff 2009-4-28 10714 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA427041  Nicandra physalodes Ducelia Cobb 1937-7-16 19719 Los Angeles North Long Beach Comment
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Jun 10 2012
  UC1971458  Nicotiana attenuata Louis C. Wheeler 1973-7-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Doe Flat; Graveyard Canyon. Comment
  RSA426679  Nicotiana bigelovii Anstruther Davidson 1901-01 s.n. Los Angeles Los Angeles. Comment
  CATA579  Nicotiana glauca Mark L. Hoefs 1991-4-7 1018 Los Angeles Santa Catalina Island: Cottonwood Canyon east of main road 64 Comment
  RSA642691  Nicotiana glauca Orlando Mistretta 1992-7-14 709 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UCR216852  Nicotiana glauca R. G. Swinney 2009-3-11 10086 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  LA33445  Nicotiana glauca Peter H. Raven; 1958-9-28 13734 Los Angeles SANTA MONICA MOUNTAINS, Elysian Park 198 Comment
  SBBG70585  Nicotiana quadrivalvis R. Hoffmann 1928-7-9 Los Angeles Bouquet Cyn Comment
  UC519982  Notholaena californica Louis C. Wheeler 1933-5-5 1709 Los Angeles 1/2 mi below falls Fish Canyon; San Gabriel Mts 350 Comment
  CAS-BOT-BC167059  Oenothera californica Timothy S. Ross 1991-4-27 4679 Los Angeles Mojave Desert: Black Butte Basin Road at its intersection with Avenue 'U', NW corner; 0.85 mile and ca 152 deg. SW of Three Sisters [buttes] 960 Comment
  OBI12021  Oenothera californica Bill Arbaugh 1966-4-26 s.n. Los Angeles W on 138 from Lancaster 762 Comment
  RSA507553  Oenothera californica subsp. californica Louis C. Wheeler 1967-8-8 10377 Los Angeles Angeles National Forest: Loomis Ranch, Alder Creek 1311 Comment
  SEINET12189794  Oenothera deltoides H. H. Heller 1937-1 409 Los Angeles E of Lancaster, along Victorville Rd Comment
  UCSB4457  Oenothera elata Crum, Charles 1958-7-3 Los Angeles Crystal Lake roadside, near Los Angeles 1828 Comment
  UC56098  Oenothera elata subsp. hirsutissima J. H. Barber 1897-6-25 186 Los Angeles Soledad Canyon Comment
  RSA0127007  Oenothera elata subsp. hookeri Louis C. Wheeler 1967-7-15 10011 Los Angeles Angeles National Forest. Mt. Waterman. Comment
  UCR225149  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region, Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp. 488 Comment
  RSA731535  Oncosiphon piluliferum R. E. Riefner 2006-7-8 06 -294 Los Angeles City of Long Beach, Studebaker Rd. at 22 Freeway. 6 Comment
  RSA65769  Opuntia basilaris var. brachyclada F. W. Peirson 1923-5-26 3546 Los Angeles Rock Creek, north slope of San Gabriel Mts., 1524 Comment
  RSA459609  Opuntia vaseyi F. R. Fosberg 1930-10-5 S- 4103 Los Angeles San Fernando. Comment
  SBBG122064  Orcuttia californica A. Parikh, N. Gale 2003-5-24 744 Los Angeles Plum Cyn, 1.6 km SW of Cruzan Mesa, 2.8 km W of Sierra Hwy 570 Comment
  POM3337  Oreonana vestita I. M. Johnston 1917-7-4 1413 Los Angeles near summit of Baldy 2896 Comment
  UC76656  Orobanche bulbosa Geo. B. Grant 1902-7-1 881 Los Angeles Glendora Comment
  RSA402057A  Orthocarpus purpurascens Louis C. Wheeler 1932-3-23 515 Los Angeles Sandy open field, San Gabriel 107 Comment
  RSA721719  Osmorhiza brachypoda R. G. Swinney 1995-3-11 3382 Los Angeles Glendora, Big Dalton Canyon 378 Comment
  POM353411  Oxalis corniculata Geo. L. Moxley 1917-2-4 521 Los Angeles San Fernando Reservoir. Comment
  RSA600904  Oxalis corniculata subsp. pilosa Louis C. Wheeler 1968-3-21 s.n. Los Angeles Foothills of San Gabriel Mountains: West Debris Basin, Brown School for Girls. 457 Comment
  RSA670306  Oxalis pes-caprae Joseph M. Keefe 2001-3-19 31182 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  UCR198393  Oxalis pes-caprae Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 673 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy, at La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  RSA511006  Oxytheca parishii var. parishii Robert F. Thorne 1968-9-24 41404 Los Angeles San Gabriel Mountains - Angeles National Forest: Roadside of Angeles Crest Highway near Cortelou Spring Comment
  SEINET13297621 Image available Oxytheca parishii var. parishii R. G. Swinney 2011-1 15702 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom (Crystal Lake 7.5' Q.) (T3N R9W S11) 2353 Comment
  CAS-BOT-BC520452  Packera breweri Mitch Provance 2010-5-12 0510 -56 Los Angeles Western Transverse Range/W Mojave Desert: S side of Hwy 138, c. 1.3 mi E of jct with Ridge Route (N2), and 7 mi W of Neenach Comment
  SBBG62562  Packera breweri S. W. Hutchinson 1926-1 447 Los Angeles Lake Hughes 1066 Comment
  SEINET3159606  Paeonia brownii M. E. Jones 1882-5-3 2615 Los Angeles Pasadena Comment
  CAS-BOT-BC121175  Paeonia californica Alice Eastwood 1913-5-11 3134 Los Angeles San Fernando Wash Comment
  RSA434235  Paeonia californica Fay A. MacFadden 1931-3-3 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  UC136333  Paeonia californica C. F. Baker 1903-4-1 5045 Los Angeles Claremont Comment
  UCR108654  Paeonia californica L. C. Wheeler 1967-5-18 9609 Los Angeles Western Transverse Range; San Gabriel Mountains, Placerita Canyon 518 Comment
  RSA597945  Panicum miliaceum F. M. Reed 1929-7-30 6545 Los Angeles Claremont, Foothill Blvd. Comment
  SD197846  Papaver californicum R. G. Swinney 2003-5-3 8191 Los Angeles San Gabriel Mountains: Glendora, Big Dalton Canyon Wilderness Park, upper drainage on ridge between Pavil and Pine canyons. 793 Comment
  LA51802  Parietaria hespera var. hespera Carl Epling; March 1925 6449 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  LA8364  Paspalum dilatatum E. Lloyd; 1950-7-10 500710p 1130 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  SEINET10682065  Passiflora caerulea S. Krosnick 2008-7-27 Krosnick 402 Los Angeles In cultivation at RSABG greenhouses. Grown from commercially distributed seed. Comment
  SBBG63474  Pectocarya anisocarpa R. Hoffmann 1929-4-27 Los Angeles near Castaic Comment
  UCR177143  Pectocarya anisocarpa L. C. Wheeler 1967-5-2 9351 Los Angeles San Gabriel Mtns, Liebre Mtns, north side of northwesternmost end of foothills (of San Gabriel Mtns) between Bouquet Junction and Bonelli Ranch 427 Comment
  RSA596820  Pectocarya linearis subsp. ferocula T. S. Ross, J. Mark Porter 1995-5-4 8463 A Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  RSA654020  Pectocarya linearis subsp. ferocula Valerie L. Soza, Laura Moore 2000-5-10 842 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
  RSA586448  Pectocarya penicillata Orlando Mistretta 1995-2-28 1519 Los Angeles Carr Canyon 1012 Comment
  UCD120141  Pectocarya platycarpa Daryl Koutnik 1978-3-23 126 Los Angeles north of State Highway 18 and just west of Los Angeles/San Bernardino county line. 960 Comment
  RSA570184  Pectocarya recurvata T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5021 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA249800  Pectocarya setosa R. F. Thorne 1973-5-11 43497 Los Angeles 1/4-1/2 mi N of Bob s Gap, N slope of Holcomb ridge, c. 2 1/2 mi due S of Llano 1159 Comment
  SBBG63496  Pectocarya setosa R. Hoffmann 1929-4-28 Los Angeles Harold Comment
  RSA425310  Pedicularis semibarbata Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1677 Comment
  RSA706218  Pedicularis semibarbata Tim Thibault, K. E. Olshewsky 2004-5-23 291 Los Angeles Mt. Williamson. 2074 Comment
  LA94139  Pellaea andromedifolia Lawrence L. Kiefer; 1966-3-6 1647 Los Angeles SANTA MONICA MOUNTAINS, [San] Nicholas Canyon, ca 1 mi. from canyon mouth. 182 Comment
  RSA571721  Pellaea andromedifolia Reid V. Moran 1959-3-9 7169 Los Angeles 2 miles SE of Eel Point, San Clemente Island. 100 Comment
  RSA686734  Pellaea andromedifolia T. S. Clare 1929-3-28 s.n. Los Angeles Topanga Canyon. Comment
  SBBG80284  Pellaea andromedifolia F. C. Boutin 1967-4-23 1682 Los Angeles Lemon Tank 304 Comment
  RSA668168  Pellaea andromedifolia Don Jillson 1961-2-5 s.n. Los Angeles Scholl Canyon, Santa Monica Mountains Comment
  POM307091  Pellaea andromedifolia var. andromedifolia Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1964 Los Angeles Eaton Canyon, Altadena. Comment
  UC812403  Pellaea mucronata var. mucronata F. R. Fosberg 1931-3-27 R 82 Los Angeles near Avalon (Hamilton Canyon); Santa catalina Is. 40 Comment
  POM199762  Pellaea mucronata var. mucronata I. W. Clokey 1929-05 4537 Los Angeles Mandeville Canyon, Santa Monica Mountains. 450 Comment
  RSA0073111  Pennisetum setaceum Sarah Ratay, Charlie de la Rosa 2009-9-19 105 Los Angeles Santa Catalina Island: At W edge of Hamilton Cove Housing Development in Avalon CA. Near model home installation. Comment
  RSA226980  Penstemon caesius Robert F. Thorne 1971-8-25 41247 Los Angeles Throop Peak 2744 Comment
  CHSC101199  Penstemon centranthifolius Sula Vanderplank; LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -40 Los Angeles Transverse Ranges; San Gabriel Mountains region: off Big Pines Hwy (Road N) on the north side of the San Gabriel Mountains, near Shoemaker Canyon. 1444 Comment
  HSC20965  Penstemon centranthifolius David Porter 1965-4-22 46 Los Angeles 0.5 mi. N of Topanga Canyon Blvd., Topanga Canyon, Santa Monica Mtns. 412 Comment
  PASA860  Penstemon centranthifolius M. Stason 1931-4-15 Los Angeles Wash near Azusa Comment
  RSA412456  Penstemon centranthifolius A. Menke 1955-4-23 s.n. Los Angeles San Francisquito Canyon. Comment
  RSA408097  Penstemon heterophyllus Bonnie C. Templeton 1930-5-27 1404 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  RSA645120  Penstemon heterophyllus subsp. australis Marcus E. Jones 1902-6-28 s.n. Los Angeles Pasadena. Comment
  LA51914  Penstemon heterophyllus var. australis W. O. Griesel; 1936-6-16 sn Los Angeles Santa Monica Mountains, Triunfo Canyon Comment
  NY650493  Penstemon rostriflorus T. S. Ross 1990-8-17 3183 Los Angeles San Gabriel Mountains: south side of Prairie Fork, near spring in draw just south of Camp Lupine. Mount San Antonio 7.5' USGS quadrangle. 2023.9 Comment
  RSA573707  Penstemon rostriflorus Tim S. Ross 1990-8-17 3144 Los Angeles Upper Big Rock Creek, 120-200m N of Icy Springs 1726 Comment
  RSA638977  Penstemon rostriflorus Valerie L. Soza, LeRoy Gross 1999-9-14 644 Los Angeles San Gabriel Mountains: Kratka Ridge, Upper Little Rock Creek-Williamson Rock climbing area. 2012 Comment
  RSA623955  Penstemon spectabilis subsp. subviscosus Bruce D. Riska 1971-5-23 29 Los Angeles Ca. 2 miles inside (N of boundry) Angeles National Forest, Mt. Baldy Road. 610 Comment
  NY661219  Penstemon spectabilis var. subviscosus I. W. Clokey 03 1929 4475 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  CAS-BOT-BC6558  Penstemon ternatus subsp. septentrionalis LeRoy Abrams; Ernest Alexander McGregor 1908-6-19 394 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA0059017  Pentagramma triangularis M. H. Fitch 1893-3-29 s.n. Los Angeles Pasadena. Comment
  RSA0070715  Pentagramma triangularis T. S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5262 Los Angeles San Clemente Island: westerly fork of Near-Death Canyon, draining to Mosquito Cove (drainage beginning 800 ft N of rest [1336'] marker; 1800 ft SE of Malo Knoll [1396']). 384 Comment
  UCSB62254  Pentagramma triangularis subsp. triangularis Keifer, L. 1966-6-5 Los Angeles San Gabriel Mtns., San Dimas Cyn., ca. 1/4 mi. below the damkeeper's house 457 Comment
  RSA97463  Perideridia parishii subsp. latifolia F. W. Peirson 817 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA703551  Perideridia pringlei Gary D. Wallace, Ann Hiller 1983-5-18 2069 Los Angeles Dirt road W of Mt. Emma Rd. Comment
  SBBG13456  Perityle emoryi E. R. Blakley 1962-10-4 5411 Los Angeles SE side of the Isthmus Cove 3 Comment
  SBBG12612  Perityle emoryi P. H. Raven 1962-4-12 17323 Los Angeles S of cyn below Tomb 137 Comment
  SEINET3923794  Persicaria lapathifolia Steve Boyd, L. Raz 1996-10-14 9030 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  UC108425  Petalonyx thurberi subsp. thurberi Brandegee Sept. 1888 Los Angeles Ravina Comment
  UCR259350  Phacelia R. G. Swinney 2010-8-26 13593 Los Angeles San Gabriel Mountains, North Fork Big Santa Anita Canyon, to 0.7 mi. up from confluence with Big Santa Anita Cyn. 915 Comment
  LA81957  Phacelia brachyloba O. H. Kappler; 1944-5-21 633 Los Angeles Santa Monica Mountains, Monte Nido 213 Comment
  UCR209285  Phacelia cicutaria var. hispida Dan S. Cooper 2009-5-30 509- 08 Los Angeles Eastern Santa Monica Mtns., debris basin along Forest Lawn Dr., west of the cemetery 169 Comment
  UCR260016  Phacelia cicutaria var. hispida R. G. Swinney 2010-3-30 12112 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
  RSA427637  Phacelia cicutaria var. hispida Edwin Kline 1926-5-31 s.n. Los Angeles Coast Range, Los Angeles. Comment
  RSA427662  Phacelia cicutaria var. hispida E. S. Spalding 1923-5-20 s.n. Los Angeles Fish Canyon. Comment
  UCR52404  Phacelia ciliata David Charlton 1988-4-3 1717 Los Angeles Western Mojave Desert, W of Lancaster on Hwy 138. Quail Lake area between Gorman and Holiday Valley 1070 Comment
  RSA248664  Phacelia curvipes Christopher Davidson 1973-4-7 1895 Los Angeles Juniper Hills toward Devil's Punchbowl, east side of San Gabriel Mtns. 1067 Comment
  POM127604  Phacelia davidsonii George B. Grant 1906-06 6886 Los Angeles summit of Mt. Wilson. Comment
  POM18116  Phacelia davidsonii P. A. Munz 1923-5-26 6841 Los Angeles Head of Vincent Gulch, San Gabriel Mts. 1982 Comment
  RSA152526  Phacelia davidsonii R. C. Bacigalupi, G. Thomas Robbins, L. R. Heckard 1953-6-14 4182 Los Angeles Jct of road to Horse Flat Public Camp and main (paved) road from upper Chilao Recreation area,, Angeles National Forest, San Gabriel Mtns. 1829 Comment
  RSA74937  Phacelia davidsonii F. W. Peirson 1921-6-14 2826 Los Angeles San Gabriel Mountains. Pine Flats, headwaters of Tujunga Creek. 1677 Comment
  IRVC28415  Phacelia distans A. C. Sanders 2003-5-26 26839 Los Angeles long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel San Gabriel Valley 171 Comment
  RSA0055985  Phacelia distans Richard G. Swinney 2010-3-22 12037 Los Angeles Lopez Canyon Rd., 1.4 miles west of Kagel Canyon Road junction, NE of Pacoima. 502 Comment
  RSA570325  Phacelia distans Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 4993 Los Angeles Soledad Canyon Wash: about half mile E of Acton. 829 Comment
  RSA647859  Phacelia distans LeRoy Gross, Laura Moore 2000-6-5 220 Los Angeles Verdugo Mountains: La Tuna Canyon Road, on Santa Monica Mountains Conservancy Land. 579 Comment
  RSA771555  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG64893  Phacelia distans R. Hoffmann 1925-5-15 Los Angeles Mint Cyn Comment
  SD41344  Phacelia distans Edith A. Purer 1935-5-12 6595 Los Angeles El Segundo Comment
  UCR210658  Phacelia distans R. G. Swinney 2009-1-19 9992 Los Angeles San Gabriel Mtns., Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  UCR271874  Phacelia distans R. G. Swinney 2010-3-24 12059 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
  SD51859  Phacelia floribunda Peter H. Raven 1962-5-10 17728 Los Angeles San Clemente Island: on steep hillside near bottom of Horse Canyon (large canyon west of Thirst). 456 Comment
  RSA0061139  Phacelia fremontii LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6844 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  RSA426161  Phacelia fremontii Ora M. Clark 1929-3-30 1895 Los Angeles W. Lancaster. Comment
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Apr 10 2012
  HSC24804  Phacelia grandiflora Koko Williams 1967-5-20 61 Los Angeles 2 mi. N of Azusa in San Gabriel Canyon on Hwy. 39 in San Gabriel Mtns. 1034 Comment
  UCR277156  Phacelia imbricata R. G. Swinney 2011-6-15 15202 Los Angeles San Gabriel Mountains, SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail 1622 Comment
  RSA0082878  Phacelia imbricata R. G. Swinney 2011-7-21 15530 Los Angeles Strawberry Peak summit 1860 Comment
  RSA428264  Phacelia lemmonii Anstruther Davidson 1893-7-4 s.n. Los Angeles Big Rock. Comment
  SD69865  Phacelia lyonii Robert F. Thorne, D. Propst 1968-5-27 37638 Los Angeles Santa Catalina Island, in lower end of Middle Ranch Canyon Comment
  RSA703200  Phacelia minor LeRoy Gross 2005-2-15 1397 Los Angeles About 1/4 mile beyond the cemetery up Brand Canyon, on the south side of the mountains. 356 Comment
  UCR281844  Phacelia minor R. G. Swinney 2014-5-8 16438 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
  RSA428057  Phacelia minor N. C. Cooper 1948-4-21 2693 Los Angeles Littlerock Reservoir 915 Comment
  UC1426010  Phacelia minor Donald R. Bissing 1973-5-18 82 Los Angeles ne slope of canyon 0.7 mi from canyon mouth; San Gabriel Mountains, Evey Canyon 780 Comment
  UC457264  Phacelia parryi Carl Epling 1931-4-18 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  UC1174695  Phacelia parryi George Gillett 1954-3-13 371 Los Angeles bank above Hwy 101 2.7 mi s Ventura-Los Angeles County line Comment
  RSA0062627  Phacelia ramosissima R. G. Swinney 2010-6-8 13189 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
  RSA426115  Phacelia stellaris Unspecified 1904-5-14 6228 Los Angeles Playa del Rey. Comment
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Jul 3 2013
  HSC13681  Phacelia tanacetifolia J. Rockwell 1962-4-15 112 Los Angeles Manchester and Pacific Ave 30 Comment
  RSA0097611  Phoenix canariensis R. G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14353 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  RSA595024  Phoenix canariensis Steve Boyd, Lauren Raz 1996-10-8 8987 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  UCR142488  Pholistoma auritum F. R. Fosberg 1931-4-13 S- 4592 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach Canyon, right fork 290 Comment
  SEINET4080670  Pholistoma auritum M. B. Dunkle 1939-1 7238 Los Angeles Chenette Canyon, San Clemente Island. Comment
  LA33798  Pholistoma auritum var. auritum Henry J. Thompson; 1959-4-19 1939 Los Angeles Santa Monica Mountains, Malibu Creek drainage, Mulholland Highway, 1 mi. W of Las Virgenes Rd 274 Comment
  UCR277246  Pholistoma membranaceum R. G. Swinney 2011-4-19 14395 Los Angeles San Gabriel Mountains, San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  POM19137  Pholistoma racemosum P. A. Munz 1923-4-8 6646 Los Angeles San Clemente Island, east coast. Comment
  RSA213385  Pholistoma racemosum Reid V. Moran, Bonnie C. Templeton 1941-2-17 574 Los Angeles East side of ravine, Middle Ranch, San Clemente Island. Comment
  SBBG32138  Pholistoma racemosum R. N. Philbrick with R. F. Thorne 1967-5-20 B 67 -306 Los Angeles Descanso Cyn 213 Comment
  UC1952544  Pholistoma racemosum Reid Moran 1941-3-1 663 Los Angeles Arrow Point, Santa Catalina Island. Comment
  RSA596232  Phoradendron densum Tim S. Ross, Steve D. Boyd, Peter W. Fritsch 1990-6-11 3388 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  UCSB1324  Phoradendron leucarpum subsp. tomentosum Beach, Kay 1943-12-23 Los Angeles San Dimas Exp. Forest; Fern Canyon trail by gage 72 Comment
  RSA587527  Phoradendron villosum Orlando Mistretta, Steve D. Boyd, D. L. Banks 1994-4-29 1101 Los Angeles Santiago Canyon; Ridge on W edge of Santiago Canyon watershed N. of Forest Road 4N20. 1372 Comment
  SEINET5764676 Image available Phoradendron villosum Del Wiens 1953-12-10 B- 78 Los Angeles Crystal Lake, San Gabriel Mountains: Crystal Lake Area. 1676 Comment
  RSA0072465  Photinia arbutifolia var. macrocarpa E. R. Johnson 1930-1-30 1651 Los Angeles Upper Avalon Canyon, Santa Catalina Island. Comment
  RSA699987  Phyllodoce breweri Gordon Beisel 1933-07 s.n. Los Angeles Summit of Mount San Antonio Comment
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Jun 24 2013
  RSA188352  Phyllospadix scouleri Robert F. Thorne 1966-5-31 36443 Los Angeles Santa Catalina Island, washed up in wrack on beach but growing abundantly on S side of Little Harbor in shallow water, Comment
  RSA682940  Phyllospadix torreyi R. Setzer 1977-10-14 9971 Los Angeles Lunada Bay. Lower mid-intertidal. Comment
  POM155761  Physalis philadelphica M. L. Bryan 1928-10-3 92 Los Angeles Mandeville Canyon Comment
  UCSB11338  Pinus contorta subsp. murrayana Haller, John 1961-8-29 Los Angeles At Lodgepole Picnic Area, Angeles Crest Highway, 9.3 mi. by road west of Big Pines Ranger Station, 1.5 miles east of Dawson Saddle; San Gabriel Mts. 2316 Comment
  RSA773288  Pinus coulteri R. G. Swinney 2009-6-24 11274 Los Angeles summit of Roundtop Mountain, south end of USFS Rd. 3N90, 2.3 rd. miles south of Pacifico Mtn. Rd. 1909 Comment
  UCR142792  Pinus coulteri L. C. Wheeler 1966-11-30 9163 Los Angeles San Gabriel Mtns, Crystal Lake cutoff c. 1 mi. southerly from Snow Spring, Bear Creek, off West Fork San Gabriel Drainage, southwesterky slope of Mt. Islip 1768 Comment
  RSA788823  Pinus flexilis Jane Tirrell 2012-7-10 LS 0099 Los Angeles At a saddle along Pacific Crest Trail approx. 0.75 mi west of Mt, Hawkins 2542 Comment
  SFV18302  Pinus jeffreyi J. N. Hogue 2002-7-21 179 1 Los Angeles San Gabriel Mountains Angeles National Forest, Camp Eaton (= Camp Cumorah Crest), 3 km NE of Newcomb Ranch. 1860 Comment
  CAS-BOT-BC78749  Pinus lambertiana A. J. McClatchie s.n. Los Angeles Wilson Peak, San Gabriel Mts. Comment
  CAS-BOT-BC78753  Pinus lambertiana Geo. B. Grant 1897-12-29 s.n. Los Angeles on northern slope of Mt. Wilson Comment
  SFV21907  Pinus lambertiana J. N. Hogue 2011-5-12 s. n. Los Angeles San Gabriel Mountains Highway 2 at east entrance to Buckhorn Campground. 2000 Comment
  CAS-BOT-BC78864  Pinus monophylla Timothy S. Ross; Peter W. Fritsch; Steve Boyd; Orlando Mistretta 1990-6-22 3720 Los Angeles Pinyon Ridge: Eastern half of the ridge, directly N of Fenner Canyon 1990 Comment
  UCR223339  Pinus monophylla R. G. Swinney 2009-5-20 10854 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  SBBG51412  Pinus murrayana J. L. Huber, R. V. Langmuir 1971-6-5 1145 Los Angeles Mt Baden Powell 2834 Comment
  CATA1818  Pinus radiata Benjamin E. Carter 2012-8-31 7018 Los Angeles Santa Catalina Island: Black Jack Campground 459 Comment
  NY62740  Pinus sabiniana L. Abrams 1908-6-19 398 Los Angeles Oakgrove Canyon, Liebre Mountains 1066.8 Comment
  UCR280397  Piperia Jeremiah George, Eric Kline 2017-4-17 417- 02 Los Angeles Channel Islands, Santa Catalina Island, Middle Ranch Road, SCE powerline right-of-way north of junction with Skull Ridge Road 305 Comment
  UCR107808  Plagiobothrys arizonicus Steve Boyd, V. Soza 1998-4-28 10174 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  UCR120572  Plagiobothrys arizonicus Steven R. Hill, K. Kramer 2001-4-22 33345 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR280539  Plagiobothrys arizonicus R. G. Swinney 2014-4-10 16031 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  RSA80210  Plagiobothrys arizonicus F. W. Peirson 1934-3-11 11105 Los Angeles Antelope Buttes, 14 miles W of Lancaster, Mojave Desert Comment
  RSA674691  Plagiobothrys canescens Scott D. White, S. Leateherman, David E. Bramlet, A. O'Neal, Walter sangkatavat 2001-4-24 8406 Los Angeles Southwestern Liebre Mountains: Grasshopper Canyon area near Castaic lake. 518 Comment
  POM13957  Plagiobothrys canescens P. A. Munz 1922-4-15 5143 Los Angeles Claremont. 365 Comment
  RSA190951  Plagiobothrys collinus var. gracilis R. F. Thorne, P. Everett 1965-6-24 35024 Los Angeles Catalina Island. Rancho Escondido, Escondido Canyon 213 Comment
  RSA0119944  Plagiobothrys jonesii R. G. Swinney 2014-4-23 16180 Los Angeles San Gabriel Mountains: east of Valyermo, Holcomb Ridge, 0.18-032 miles north of Bob's Gap Rd. 1.04 air-miles west of Bob's Gap. 1268 Comment
  RSA791583  Plagiobothrys leptocladus D. Silverman, Jeff Jarvis, Colleen Martin 2010-5-19 8011 Los Angeles Antelope Valley, north of Lancaster, 100 m east of Sierra Highway, 240 km north of Avenue F, and 1.3 km south of Avenue E. 703 Comment
  POM9288  Plagiobothrys nothofulvus P. A. Munz, Harwood 1920-3-3 3230 Los Angeles Hills So of Pomona Comment
  POM243770  Plantago erecta F. R. Fosberg 1931-4-23 S- 4689 Los Angeles Santa Catalina Island. Headwaters of Swain's Canyon, NE slopes of Black Jack Mountain. 350 Comment
  SEINET3161443  Plantago erecta L. Abrams 1903-4-10 3241 Los Angeles near Mesmer Comment
  RSA401971B  Plantago erecta M. B. Dunkle 1939-4-6 7324 Los Angeles San Clemente Island. Mosquito Ridge. Comment
  RSA523630  Plantago erecta J. T. Howell 1928-3-20 3480 Los Angeles Vermont Canyon, Criffith Park. Comment
  JEPS7125  Plantago lanceolata Elizabeth Day Palmer 1908-7-28 Los Angeles Los Angeles Comment
  SD66882  Plantago ovata R. Mitchel Beauchamp 1967-3-19 329 Los Angeles San Clemente Island, justbehind the beach at West Cove. Comment
  RSA0004710  Plantago purshii S. B. Parish 1916-3-31 10751 Los Angeles Pebble [Pebbly] Beach, Santa Catalina Island Comment
  LA206345  Platanus racemosa C. L. Hogue; 1954-5-17 sn Los Angeles Eagle Rock Hills, Eagle Rock, Los Angeles Comment
  RSA600420  Platanus racemosa Steve Boyd, Lauren Raz 1997-4-30 9625 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA702487  Platystemon californicus Scott D. White 2004-5-5 10302 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UC146744  Platystemon californicus J. Burtt Davy 1896-5-25 2659 Los Angeles Leonis Valley; bet. Manzana and Gorman's Comment
  UC56742  Platystemon californicus Arthur M. Cleghorn 1902-6-11 20 Los Angeles Claremont Comment
  UCR124601  Platystemon californicus B. C. Templeton, I. W. Clokey 1930-4-8 1015 Los Angeles San Gabriel Mtns., San Francisquito Canyon 549 Comment
  LA200880  Plectritis ciliosa Louis C. Wheeler; 1932-3-26 537 Los Angeles San Jose Hills, Puddingstone Dam 274 Comment
  UCR48936  Plumbago capensis A. C. Sanders 1987-7-22 7162 Los Angeles South Coast, El Segundo Dunes immediately west of Los Angeles International Airport & Pershing Dr., east of Vista Del Mar Blvd 38 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
  RSA484175  Poa annua M. B. Dunkle 1933-4-14 3304 Los Angeles Long Beach. Comment
  RSA729950  Poa pratensis R. G. Swinney 1999-5-8 7128 Los Angeles San Gabriel Mtns.: Pinon Hills, Boneyard Canyon near spring not shown on topo, very near LA Co. line. 1463 Comment
  RSA777432  Poa pratensis R. G. Swinney 2009-5-27 10859 Los Angeles Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA732935  Poa secunda R. G. Swinney 1998-7-8 6333 Los Angeles San Gabriel Mtns.: NW of Wrightwood, western half of Jackson Flat. 2280 Comment
  RSA733766  Poa secunda R. G. Swinney 2000-6-19 7828 Los Angeles Pine Mountain, north of Azusa. 1384 Comment
  LA33426  Poa secunda subsp. secunda Henry J. Thompson; 1959-3-27 1887 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  SBBG92050  Poa secunda subsp. secunda S. A. Junak 1978-4-16 SCa 037 Los Angeles slopes above Fourth of July Cove 45 Comment
  UCR123927  Poa secunda subsp. secunda Steven R. Hill, K. Kramer 2001-4-22 33379 Los Angeles Southwestern Mojave Desert, South side of Calif. Hwy 138 (Pearblossom Hwy) just east of Palmdale and c. 1 mi west of Little Rock; W side of Little Rock Wash 860 Comment
  RSA484209  Poa secunda var. secunda Donald R. Bissing 1973-4-6 37 Los Angeles Evey Canyon, San Gabriel Mountains: above roadcut 0.5 mile from canyon mouth 713 Comment
  LA206595  Polemonium pulcherrimum Robert Fowler; 1933-7-1 sn Los Angeles Eagle Rock Trail 1920 Comment
  RSA708656  Polycarpon tetraphyllum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1188 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  UCR259384  Polycarpon tetraphyllum R. G. Swinney 2010-4-20 12281 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  VVC3235  Polygala cornuta var. fishiae Tim Thomas 1977-6-8 104 Los Angeles Transverse Range, Santa Monica Mountains, Cold Creek Canyon Preserve, mid way btw old Murphy Rch and Stunt Rd at Cold Creek 450 Comment
  SFV21677  Polygonum amphibium var. emersum L. L. Zung 2009-5-20 12 Los Angeles Santa Monica Mountains Rocky Oaks. 530 Comment
  LA52265  Polygonum argyrocoleon A. M. Johnson; 1932-5-14 4070 Los Angeles Santa Monica Mountains, Pacific Palisades, Santa Monica, Pacific Palisades 45 Comment
  UCR229148  Polygonum argyrocoleon Dan S. Cooper 2011-5-13 511- 72 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA607580  Polygonum aviculare subsp. aviculare Louis C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. and San Diego Fwy, between Sepulveda and 233rd St. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.]. Comment
  UCD100167  Polygonum aviculare subsp. depressum Kenneth A. Wilson 1961-2-21 873 Los Angeles Northridge. San Fernando Valley State College campus. Comment
  SEINET4691499  Polygonum hydropiper Dan S. Cooper 2011-1 711 -90 Los Angeles South Coast: Madrona Marsh. Torrance 24 Comment
  RSA746554  Polygonum hydropiperoides A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-27 36952 Los Angeles confluence of San Gabriel River and Walnut Creek, between El Monte and Baldwin Park, S of I-10 Fwy and north of Valley Blvd, W of I-605 Fwy, under SCE powerlines 83 Comment
  SEINET4138034 Image available Polygonum hydropiperoides Dan S. Cooper 2011-7-23 711 -90 Los Angeles South Coast: Madrona Marsh, Torrance 24 Comment
  RSA614338  Polygonum persicaria B. Pitzer, P. Gomez 1996-4-28 2741 Los Angeles Los Angeles Basin Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue. Comment
  LA94062  Polypodium californicum Lawrence L. Kiefer; 1966-3-19 1740 Los Angeles SANTA MONICA MOUNTAINS, Trancas Canyon, ca 3 mi from mouth. 304 Comment
  RSA689907  Polypodium californicum Geo L. Moxley 1917-3-11 531 Los Angeles Pacoima Canyon, near San Fernando Comment
  UC535316  Polypodium californicum Ira W. Clokey, B. Templeton May 1929 4483 Los Angeles Mandeville Canyon; Santa Monica Mts. 300 Comment
  UCR208029  Polypodium californicum F. R. Fosberg 1931-3-24 R- 80 Los Angeles Channel Islands, Hamilton's Canyon near Avalon, Santa Catalina Island 80 Comment
  UCR261427  Polypodium californicum Joseph Cahill 2010-12-22 1210- 19 Los Angeles Western Transverse Range; Santa Monica Mountains, Mulholland Hwy, c. 2 miles from Pacific Coast Hwy 65 Comment
  UC399448  Polypodium californicum C. F. Millspaugh 1920-1-2 4521 Los Angeles rd. to Pebble Beach; Santa Catalina Isl. Comment
  UCSB62314  Polypodium californicum Kiefer, Lawrence 1967-3-11 Los Angeles San Gabriel Mtns., N of La Canada, Hwy 2, ca. 1.25mi W of junction with Angeles Forest Hwy 1097 Comment
  UCSB62358  Polypodium californicum Kiefer, Lawrence 1967-2-4 Los Angeles San Gabriel Mtns., N of La Canada, Big Tujunga Canyon, E of Big Tujunga Reservoir, along US Forest Service Road 3W27, ca. 1mi Comment
  UCSB62492  Polypodium californicum Kiefer, Lawrence 1966-4-17 Los Angeles Santa Monica Mtns., Griffith Park, upper Brush Canyon 304 Comment
  CATA1847  Polypogon interruptus Denise Kraus 2000-5-11 29 Los Angeles Santa Catalina Island: In drainage between Goat Harbor Burn eastern fire break ridge/road and road leading to Twin Rocks. Approximately 4,600 ft. northeast of Airport Road 304 Comment
  RSA580871  Polypogon monspeliensis L. C. Wheeler 1931-8-30 33 Los Angeles San Antonio Canyon, San Gabriel Mountains. 945 Comment
  RSA747356  Polypogon monspeliensis R. G. Swinney 2008-6-9 8952 Los Angeles San Gabriel Mtns.: Sandrock Creek, 1.0 mi. SSW of Valyermo post office at Valyermo Rd. 1183 Comment
  SFV21044  Polypogon monspeliensis L. Gross, V. Soza 2001-6-6 439 Los Angeles Verdugo Mountains North side of mountains. Wildwood Fire Road (now deserted and growing back) off of Verdugo Mountain Way dirt fire road. Down the road (north) until you come to bottom of canyon in more or less shady, damp area in dry canyon bed. 427 Comment
  RSA596221  Polypogon viridis Timothy S. Ross, Steve Boyd, Peter W. Fritsch 1990-6-11 3400 Los Angeles San Gabriel Mountains, Little Rock Creek: on SW side of Little Rock Creek reservoir 997 Comment
  RSA187803  Populus X parryi Robert F. Thorne 1966-4-5 35877 Los Angeles Santa Catalina Island. Along Cottonwood Creek by bridge on road from Middle Ranch to Little Harbor. 27 Comment
  RSA277973  Populus balsamifera subsp. trichocarpa F. C. Boutin 1965-5-13 s.n. Los Angeles Around old cabin sites, just below where TT crossed stream, Haines Canyon, above Tujunga, San Gabriel Mountains. Comment
  SBBG13053  Populus balsamifera subsp. trichocarpa E. R. Blakley 1961-9-24 4776 Los Angeles cyn upstream from Ben Weston Beach 15 Comment
  RSA0091097  Portulaca oleracea R. G. Swinney 2011-7-7 15464 Los Angeles Camp Colby (Colby Ranch), central camp area 1098 Comment
  RSA191080  Portulaca oleracea R. F. Thorne, M. Z. Thorne 1967-7-2 37232 Los Angeles San Antonio Canyon; Chapman Ranch, above Mt. Baldy Village. 1356 Comment
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Mar 12 2019
  RSA329648  Potentilla glandulosa subsp. ewanii Gary D. Wallace 1975-7-12 1445 Los Angeles Angeles National Forest: just W of Lodgepole Picnic Ground. West Fork Dorr Canyon at springs above road. 2311 Comment
  UCR136938  Proboscidea lutea C. W. Tilforth 1973-10-2 959 Los Angeles San Gabriel Valley, Rancho Santa Ana Botanic Garden [Claremont] 427 Comment
  RSA454135  Prunus ilicifolia A. M. Johnson 1934-4-20 4436 Los Angeles Sepulveda canyon, base of slaty cliff, Santa Monica Mountains. Comment
  RSA682612  Prunus ilicifolia Scott D. White, Michael Honer 2003-5-7 9222 Los Angeles Liebre Mountains: Tapia Canyon, about 2 air miles east of Interstate 5 junction at 'Old Ridge Route.' 427 Comment
  UCR154219  Prunus ilicifolia A. C. Sanders, T. B. Salvato 2005-5-24 30252 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  RSA79291  Prunus ilicifolia subsp. ilicifolia E. K. Balls, Percy C. Everett 1952-10-3 18004 Los Angeles 0.7 mile N of turn-off to Mt. Wilson on Highway 2 from La Canada. 457 Comment
  CHSC110021  Prunus ilicifolia subsp. lyonii Mark Elvin; Michael Wall, Jennifer Stone 1996-8-7 308 Los Angeles Channel Islands; San Clemente Island: Conchulagua Canyon. In canyon floor. Comment
  SD48944  Prunus ilicifolia subsp. lyonii Reid Moran 1958-9-16 6844 Los Angeles 2 miles SE of Eel Point, San Clemente Island, canyonside 149 Comment
  UCR149861  Prunus lyonii Scott D. White 2004-4-23 10234 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA599347  Prunus persica Steve D. Boyd, Lauren Raz 1997-3-26 9376 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 at Artesian Spring Campground. 1098 Comment
  UC284820  Prunus virginiana var. demissa P. A. Munz 1923-5-26 6848 Los Angeles Vincent Gulch; San Gabriel Mountains, Vincent Gulch 1981 Comment
  CAS-BOT-BC356412  Pseudognaphalium beneolens Louis Wheeler 1931-9-11 135 Los Angeles Thompson Wash near La Verne 373 Comment
  CAS-BOT-BC356417  Pseudognaphalium beneolens Lewis S. Rose 1934-12-26 34500 Los Angeles Arroyo Seco Comment
  SBBG127520  Pseudognaphalium biolettii M. L. Hoefs, R. F. Thorne 1996-4-6 2608 Los Angeles Pebbly Beach 6 Comment
  SBBG79687  Pseudognaphalium biolettii F. R. Fosberg 1931-3-22 4324 Los Angeles Hamilton Cyn 60 Comment
  CATA889  Pseudognaphalium biolettii Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1703 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 Comment
  RSA0115742  Pseudognaphalium biolettii Steven A. Junak 1999-5-22 SCa- 1003 Los Angeles Santa Catalina Island. At end of Goat Harbor, W fork of canyon. 54 Comment
  SDSU3741  Pseudognaphalium biolettii H. Wedberg 1966-4-3 1203 Los Angeles Above Hill Dr. x Neal, in Eagle Rock. 457 Comment
  SFV15573  Pseudognaphalium californicum K. C. Molina, K. L. Garrett 1992-5-9 14 Los Angeles Verdugo Mountains Northeast slope of Verdugo Mountains along Whiting Woods fire trail. 550 Comment
  CAS-BOT-BC357289  Pseudognaphalium microcephalum F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  CAS-BOT-BC357302  Pseudognaphalium microcephalum unspecified 1903-1-1 s.n. Los Angeles Pasadena Comment
  RSA700380  Pseudotsuga macrocarpa Tim Thibault 2003-9-28 57 Los Angeles Mt. Gleason 1704 Comment
  RSA607619  Pteridium aquilinum var. pubescens L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: Oak Spring, Oak Spring Canyon, off Little Tujunga. 793 Comment
  UCR182854  Pterospora andromedea R. G. Swinney 1997-8-6 5759 Los Angeles San Gabriel Mtns, Table Mountain area, Jesus Canyon west of road 4N47, NW of Wrightwood 1927 Comment
  UC850468  Pterostegia drymarioides Ira W. Clokey, B. Templeton Mar. 1929 4523 Los Angeles Mandeville Canyon Santa Monica Mts., Mandeville Canyon 350 Comment
  POM13355  Pycnanthemum californicum P. A. Munz 1922-7-17 6069 Los Angeles San Antonio Canyon. Wet meadow on hillside below Camp Baldy 1280 Comment
  SD230247  Pycnanthemum californicum Louis C. Wheeler 1970-9-10 Los Angeles San Gabriel Mountains: south Fork Alder Gulch 1676 Comment
  CAS-BOT-BC45825  Quercus F. Grinnell Jr. 1917-9-12 s.n. Los Angeles Pasadena Comment
  POM18606  Quercus X grandidentata E. S. Spalding 1921-4-9 xix 5 e Los Angeles Ganesha Hills, Pomona. Comment
  UCSB55325  Quercus X grandidentata Thorne, Robert; Thorne, M. 1980-3-23 Los Angeles Foothills of San Gabriel Mts.; Johnson's Pasture, above Claremont 609 Comment
  SBBG128174  Quercus X macdonaldii B. E. Carter, J. Clark 2012-8-9 6963 Los Angeles Bulrush Cyn, below Salta Verde turnoff 255 Comment
  RSA476856  Quercus agrifolia var. agrifolia G. R. Johnstone 1927-10-9 s.n. Los Angeles Switzer's Camp Comment
  UCSB27867  Quercus agrifolia var. agrifolia Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S.Hwy. 99, Tehachapi Mts. 822 Comment
  RSA569184  Quercus berberidifolia Bonnie C. Templeton 1930-4-2 1433 Los Angeles Mulholland Dr., Northwest of Hollywood. Santa Monica Mountains. 600 Comment
  SBBG111418  Quercus berberidifolia J. M. Tucker 1948-9-26 1879 Los Angeles 11.4 mi W of Palmdale, beside rd to Elizabeth Lake Comment
  SBBG11786  Quercus berberidifolia D. E. Breedlove 1961-5-5 Los Angeles 7.6 mi NNE of Soledad Cyn Rd on Hwy 6 609 Comment
  SFV20801  Quercus berberidifolia L. Gross 2000-11-4 320 Los Angeles Verdugo Mountains Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley. 396 Comment
  UC472132  Quercus berberidifolia J. Ewan 1931-10-24 5259 a Los Angeles 1 mi above Malibu Lake (on Seminole Hot Springs Rd); Santa Monica Mts. Comment
  LA99009  Quercus chrysolepis E. R. Hobbs; 1978-10-15 78- 142 Los Angeles San Gabriel Mountains, trail to summit of Mt. Williamson 2285 Comment
  RSA476903  Quercus chrysolepis I. M. Johnston 1928-9-10 15747 Los Angeles Switzers Camp Arroyo seco. Comment
  UCD45484  Quercus chrysolepis James Bartolome 1990-3-14 s.n. Los Angeles San Clemente Island; in steep canyon on eastern coast of island, elevation ca. 1200-1400 feet. 365 Comment
  UCR223520  Quercus chrysolepis R. G. Swinney 2009-6-24 11230 Los Angeles Transverse Range; San Gabriel Mtns., summit of Granite Mountain 2012 Comment
  SEINET9006478  Quercus chrysolepis G. B. Grant 1904-6-14 1085 Los Angeles Mt. Wilson, So. Calif. 1524 Comment
  CAS-BOT-BC86375  Quercus dumosa D. E. Breedlove 1961-5-5 452 Los Angeles 7.6 miles NE of Soledad Canyon Road on Highway 6 609 Comment
  CAS-BOT-BC79759  Quercus durata John Thomas Howell 1927-10-16 3153 Los Angeles on the trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mts. Comment
  RSA226206  Quercus durata var. gabrielensis Gary D. Cromwell 1971-4-21 524 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora 488 Comment
  SFV22025  Quercus durata var. gabrielensis V. Soza, I. E. Anderson, L. Gross 2000-6-6 988 Los Angeles Verdugo Mountains Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough canyon, northeast side of peak O'2646. North-northeast-facing slope above along fire near ridgetop. 762 Comment
  CAS-BOT-BC94175  Quercus engelmannii Geo. B. Grant 1901-5-12 1092 -3868 Los Angeles Pasadena Comment
  RSA654504  Quercus engelmannii Lyman Benson 1946-12-20 12266 Los Angeles Thompson Creek, just north of San Antonio Ave. NW of Claremont. San Gabriel Mt. 457 Comment
  RSA477304  Quercus john-tuckeri Anstruther Davidson 1901-8-1 s.n. Los Angeles Rock Creek [Los Angeles or Ventura County]. Comment
  SBBG58989  Quercus john-tuckeri R. Hoffmann 1931-10-1 Los Angeles near Bob's Place, Mint Cyn Comment
  UCSB60796  Quercus john-tuckeri Muller, Cornelius 1945-3-20 Los Angeles 3 1/2 mi. S of Gorman Comment
  CAS-BOT-BC105255  Quercus kelloggii Fay A. Mac Fadden 1936-9-6 14745 Los Angeles Lake Arrowhead Comment
  CAS-BOT-BC354348  Quercus lobata R. E. Riefner, Jr. 2012-12-11 12 -595 Los Angeles Sun Valley, La Tuna Canyon, La Tuna Canyon Rd. at Wildwood Ave. 281 Comment
  UCR9304  Quercus lobata Ted Hanes 1966-10-12 s.n. Los Angeles Transverse Range, Pine Mountain Road between Lake Hughes and Three-Points Comment
  UC216195  Quercus lobata A. J. McClatchie 1896-4-20 1129 Los Angeles Oak Knoll [near Pasadena] Comment
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Mar 20 2018
  SEINET3140711  Quercus macdonaldii Unknown 1992-3-30 sn Los Angeles Santa Catalina Island, in canyon behind Haypress Reservoir, roughly 2 mi W of Avalon 381 Comment
  UCD45304  Quercus pacifica P. B. Kennedy 1928-3-28 s.n. Los Angeles Ridge above Avalon, Santa Catalina Island, Calif. Comment
  CAS-BOT-BC104431  Quercus tomentella Robert F. Thorne 1967-5-19 36885 Los Angeles Santa Catalina Island, at top of side valley of Sweetwater Canyon 381 Comment
  SBBG41301  Quercus tomentella M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn about 1.5 mi above jct with Middle Cyn Comment
  SBBG43929  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  UCD47351  Quercus tomentella W. L. Jepson 1908-7-12 3061 Los Angeles Head of Gallagher Canon, Santa Catalina Island. Comment
  CAS-BOT-BC104852  Quercus wislizeni Timothy S. Ross; Steve Boyd 1995-6-28 8621 Los Angeles Liebre Mountains. Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon 737 Comment
  CAS-BOT-BC104857  Quercus wislizeni Timothy S. Ross; Steve Boyd 1994-9-21 8305 Los Angeles Liebre Mountains. Liebre Mountain: upper W summit area on broad northerly ridge extending northward toward Tentrock Canyon drainage; ca 340-360 m ENE of Sandberg Triangulation Point (5345-ft) 1623 Comment
  UCR153566  Rafinesquia californica A. C. Sanders 2005-5-11 30181 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon along Plum Canyon Rd. between crest and vernal pool on bench in mid canyon, NW of Forest Park between Mint and Bouquet Cyns. 671 Comment
  UCR252882  Rafinesquia californica R. G. Swinney 2010-5-11 12660 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
  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
  RSA527593  Rafinesquia californica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4418 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA399995  Ranunculus hebecarpus Fay A. MacFadden 1931-3-29 s.n. Los Angeles Tuna Canyon, Verdugo Hills 335 Comment
  SD253533  Ranunculus hebecarpus R. G. Swinney 2011-5-3 14561 Los Angeles San Gabriel Mountains; Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Road, Ecology Trail east of the Nature Center (Mint Canyon 7.5'Q) 487 Comment
  UC625091  Ranunculus hebecarpus F. R. Fosberg 1931-3-24 S 4348 Los Angeles Hamilton Canyon Santa Catalina Island (s wall) 40 Comment
  UC827835  Ranunculus hebecarpus L. W. Nuttall 1920-5-8 161 Los Angeles Santa Catalina Island Comment
  UCR91301  Raphanus sativus B. G. Pitzer, Paul Gomez 1996-4-28 2739 Los Angeles Los Angeles Basin, Harbor City / City of Wilmington, Harbor Regional Park, at intersection of Pacific Coast Hwy (Calif. Hwy 1) with Vermont Avenue Comment
  UC592792  Rhamnus californica subsp. californica unknown 1927-12-31 1463 Los Angeles Eagle Rock Occidental College Comment
  CAS-BOT-BC55993  Rhamnus ilicifolia V. B. 1907-9-2 1270 Los Angeles Cajon Pass 609 Comment
  LA52146  Rhamnus ilicifolia Carl Epling; L. Ellison 1930-3-15 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA598864  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1997-3-21 9241 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  RSA628705  Rhamnus ilicifolia R. S. Woglum 1942-5-20 3335 Los Angeles Transverse Ranges: Angeles Crest Highway; San Gabriel Mountains; Angeles National Forest. . Comment
  UC1121871  Rhamnus ilicifolia P. L. Johannsen 1934-1-18 233 Los Angeles 1 mi nw lower dam Malibu Creek; Calabasas Quad. 365 Comment
  POM246622  Rhamnus pirifolia F. R. Fosberg 1931-4-13 S 4583 Los Angeles Santa Catalina Island, Pebble [Pebbly] Beach, right fork 60 Comment
  RSA526532  Rhamnus pirifolia Steve Boyd, Tim S. Ross, Arnseth 1990-4-7 4270 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA583018  Rhamnus pirifolia Tim S. Ross, Takara, Otte 1993-4-24 6961 Los Angeles Santa Catalina Island, W end of island beyond the isthmus, lower Boughette Canyon (draining NE to Johnsons Landing). 91 Comment
  UC625009  Rhamnus pirifolia F. R. Fosberg 1931-3-18 S 4238 Los Angeles Hamilton Canyon Santa Catalina Island 10 Comment
  UC592931  Rhamnus tomentella subsp. cuspidata Carl B. Wolf 1936-5-27 Los Angeles 2 mi off Soledad Canyon; San Gabriel Mts. 914 Comment
  RSA0037468  Rhododendron Larissa L. Yates 2014-4-24 12 Los Angeles Downtown Claremont. Along 1st street between Cornell Ave. and College Ave. 350 Comment
  CAS-BOT-BC200704  Rhus aromatica Carl B. Wolf 1928-3-29 1565 Los Angeles 3 mi. s.w. of Neenach at junction of Pine Canyon and Sandberg roads Comment
  CAS-BOT-BC170453  Rhus integrifolia Peter H. Raven 1959-3-15 13954 Los Angeles Bluffs just east of Zuma Beach, Point Dume - Santa Monica Mountains 15 Comment
  CATA933  Rhus integrifolia Mark L. Hoefs, Robert Given 1992-4-16 1792 Los Angeles Santa Catalina Island: Wild Boar Gully 152 Comment
  RSA213398  Rhus integrifolia Reid V. Moran 1941-2-18 582 Los Angeles San Clemente Island, Middle Ranch 350 Comment
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Jun 5 2014
  RSA386483  Rhus integrifolia F. H. Elmore 394 Los Angeles San Clemente Island. Comment
  RSA386489  Rhus integrifolia L. E. Hoffman 1932-2-6 s.n. Los Angeles Hermon Hills, Ave. 57. Comment
  RSA650231  Rhus integrifolia Donald W. Harshberger 1949-2-15 s.n. Los Angeles Glendora foothills 152 Comment
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Mar 8 2013
  UC1587676  Rhus integrifolia Tim Ross 1991-3-9 4183 Los Angeles se side of ridgetop knoll head of Oak Canyon; Whittier Hills (Puente Hills, pro parte) 368 Comment
  SEINET10837427  Rhus integrifolia Annetta M. Carter 1935-9-8 Carter 955 Los Angeles Sierra Madre. In bottom of steep-walled canyon. Shrubs 10 ft tall; old bark dark gray smooth; young bark reddish brown, smooth. 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
  RSA584020  Rhus ovata T. S. Ross, Steve D. Boyd 1991-4-25 4576 Los Angeles San Gabriel Mtns: Doe Flat and immediate vicinity, situated between Graveyard Canyon and the E Fk of Susanna Canyon, draining to the lower E Fk of the San Gabriel River. 841 Comment
  UC1184972  Rhus trilobata Huron H. Smith 1912-5-3 4934 Los Angeles Azusa 243 Comment
  LA212306  Rhus trilobata Lee Haines; 1935-7-4 s.n. Los Angeles SAN GABRIEL MOUNTAINS, Little Dalton. Comment
  RSA523169  Rhus trilobata var. pilosissima T. S. Ross 1991-2-23 4112 Los Angeles Whittier Hills (Puente Hills): Upper Turnbull Canyon ca 1/5 air-mile WNW of Turnbull Cyn Rd & Skyline Drive. 210 Comment
  CAS-BOT-BC433164  Ribes Braunton 1903-1-10 793 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC92296  Ribes amarum Geo. B. Grant 1902-3-1 1124 Los Angeles Garvanza. Comment
  UCD102100  Ribes amarum Geoffrey Levin 1974-4-27 60 Los Angeles Evey Canyon, a side canyon on San Antonion Canyon. San Gabriel Mountains, Santa Ana River, Pacific Slope drainage basin. 751 Comment
  UCR200113  Ribes aureum Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 654 B Los Angeles Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 579 Comment
  RSA476432  Ribes aureum var. gracillimum L. E. Hoffman 1932-3-8 s.n. Los Angeles Placerita Canyon, San Gabriel Mountains. Comment
  CAS-BOT-BC92444  Ribes aureum var. gracillimum Clarence R. Quick 1940-3-20 s.n. Los Angeles Aracadia. Comment
  CAS-BOT-BC92456  Ribes aureum var. gracillimum H. E. McMinn 1924-8-4 1224 Los Angeles Huntington Drive near Pasadena. Comment
  CAS-BOT-BC93103  Ribes californicum var. hesperium Elmer I. Applegate 1927-1-17 4987 Los Angeles Mandeville Canyon, Santa Monica Mountains. Comment
  LA91499  Ribes californicum var. hesperium Bruce Douglas Clayton; Greg Shaw, Barb Murphy, Marcia Miller 1972-4-15 99 Los Angeles Santa Monica Mountains, Blackrill Canyon, Mountain Park Research Campus 533 Comment
  POM307118  Ribes californicum var. hesperium Henry J. Ramsey, Henry J. Ramsey 1939-1-1 1971 Los Angeles Eaton Canyon, Altadena. Comment
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Dec 10 2015
  RSA682603  Ribes californicum var. hesperium Valerie L. Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena; (Mt. Wilson). 915 Comment
  CAS-BOT-BC108881  Ribes divaricatum var. parishii B. D. Stark 1934-5-27 5738 Los Angeles San Gabriel Mountains. San Gabriel Canyon, Whittier Woodland Park. Comment
  POM325  Ribes indecorum C. F. Baker 1904-2-17 6399 Los Angeles Claremont. Comment
  RSA602401  Ribes indecorum Louis C. Wheeler 1946-12-14 6453 Los Angeles San Gabriel Mountains: San Dimas Canyon. 503 Comment
  RSA660227  Ribes indecorum Fred Brooks 1988-5-7 40 Los Angeles San Antonio Canyon, 1.5 mi. above second tunnel at Mountain Rd. turnoff 1372 Comment
  RSA717415  Ribes indecorum Gary Kovnat, LeRoy Gross 2003-1-19 3 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully. Comment
  UC11551  Ribes indecorum W. H. Brewer Feb. 1861 182 Los Angeles Cahuenga Pass Comment
  UCR126239  Ribes indecorum A. C. Sanders 2003-3-14 25784 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
  RSA0021113  Ribes lasianthum J. C. Roos 1937-5-31 10 Los Angeles Big Pines, near Jackson Lake. Comment
  RSA594752  Ribes malvaceum Tim S. Ross 1995-4-7 8371 Los Angeles Old Ridge Route: 2.9 road miles NNW of its intersection with Templin Highway; ca. 1840 m WNW of the confluence of Castaic Creek and Fish Canyon. 927 Comment
  RSA651625  Ribes malvaceum G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 549 Comment
  UC567129 Image available Ribes malvaceum A. D. Gifford 1935-1-7 404 Los Angeles 6 1/2 mi ese Whitaker Peak; Tejon Quadrangle 518 Comment
  UC56954  Ribes malvaceum Miss E. D. Palmer Los Angeles Los Angeles Comment
  SD215555  Ribes malvaceum var. malvaceum Tim Ross, Peter Fritsch 1990-6-20 3646 Los Angeles Rincon Red Box Road (1N24) 2.6 miles below Pine Mountain junction; 80 degrees ENE, ca. 1720 meters distant from Pine Mountain (4539'). 1032 Comment
  RSA615372  Ribes malvaceum var. viridifolium Scott D. White, Pam DeVries 1997-12-3 6036 -A Los Angeles San Gabriel Mts., 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
  RSA650192  Ribes malvaceum var. viridifolium Lori Ackerman, Gerald Braden 1988-4-22 10 Los Angeles North end of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  SEINET13276838 Image available Ribes malvaceum var. viridifolium R. G. Swinney 2011-1 14191 Los Angeles San Gabriel Mountains: mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam (Glendora 7.5' Q.) (T1N R9W S28) 509 Comment
  SEINET13942688 Image available Ribes nevadaense David Charlton 1986-1 268 Los Angeles San Gabriel Mountains, between Blue Ridge Campground (1.5 mi. airline SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run along the reservoir maintenance road, 0.7 to 1.2 mi. S of Angeles Crest Hwy on Forest Road 3N06. T3N, R8W, sec 5. 8000 ft 2438 Comment
  RSA230259  Ribes nevadense Robert F. Thorne 1969-7-2 36318 Los Angeles Angeles National Forest; Cedar springs ca. 1/2 mile E of Kratka ridge along Angeles Crest Hwy 2073 Comment
  UCR203101  Ribes nevadense R. G. Swinney 2001-8-27 8113 Los Angeles San Gabriel Mountains, Cortelyou Spring c. 0,5 mi east of the junction of Hwy 2 and Hwy 39, north side of Hwy 2 2073 Comment
  UCR184354  Ribes quercetorum A. C. Sanders 2007-4-19 33474 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  RSA0019681  Ribes velutinum R. G. Swinney 2008-6-18 9073 Los Angeles south of Juniper Hills, Burkhart Trail 0.7 miles WNW of Burkhart Saddle, junction of trail and W Fork of Cruthers Creek. 2012 Comment
  RSA127455  Ricinus communis H. J. Thompson, P. H. Raven 1959-9-6 14377 Los Angeles Near mouth of Malibu creek. 12 Comment
  CAS-BOT-BC92176  Romneya coulteri var. coulteri June Giddings s.n. Los Angeles Altadena. Comment
  UC1211022  Rorippa nasturtium-aquaticum Huron H. Smith 1912-6-15 5113 Los Angeles road to Middle Ranch Santa Catalina Island 304 Comment
  CAS-BOT-BC147476  Rosa californica I. M. Johnston 1918-8-4 2121 Los Angeles Hills west of Pomona 304 Comment
  POM1541  Rosa californica Otis Hiatt 1918-6-3 s.n. Los Angeles Topanga Canyon. Comment
  SBBG12783  Rosa californica E. R. Blakley 1962-10-6 5480 Los Angeles Cape Cyn, near old gravel pit 304 Comment
  SEINET3157411  Rosa californica G. B. Grant 1131 Los Angeles Pasadena Comment
  UCR150448  Rosa woodsii R. G. Swinney 1999-6-21 7380 Los Angeles San Gabriel Mtns., Boulder Canyon Wash, south of east-west road that runs through Big John Flat 1671 Comment
  CATA3209  Rubus ursinus Julie L. King 2016-11-22 28 Los Angeles Santa Catalina Island: Big Springs Canyon, 0.5 miles north on Isthmus Rd. from junction with road to Little Harbor, 60 meters directly east of Isthmus Rd. in drainage 29 Comment
  IRVC28651  Rubus ursinus A. C. Sanders, Mark Elvin 2002-6-25 25264 Los Angeles Newhall Ranch, large natural spring at north foot of "Airport Mesa," 0.75 mi. SW of Castaic Junction NE end of Santa Susana Mtns. 305 Comment
  UCR242025  Rubus ursinus Dan S. Cooper 2012-2-13 212- 10 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  PASA1198  Rubus vitifolius M. Stason 1931-4-18 Los Angeles San Gabriel Canyon Comment
  UCR79371  Rumex acetosella Steve Boyd, Orlando Mistretta 1993-5-18 8158 Los Angeles Western San Gabriel Mtns., N of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National forest. Ridge on eastern side of upper Sombrero Canyon, southwest of the communications facilities 1006 Comment
  UC1618036  Rumex acetosella Donald G. Nelson 1935-4-15 315 Los Angeles Wilmington near the harbor Comment
  UCR124944  Rumex hymenosepalus B. C. Templeton, I. W. Clokey 1930-5-13 1454 Los Angeles Western San Gabriel Mtns., Mint Canyon 854 Comment
  RSA713817  Rumex obtusifolius A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale 2003-4-30 26223 Los Angeles Western San Gabriel Mtns.: Castaic Valley along Castaic Creek 0-2 km downstream from Lake Hughes Rd., Newhall Ranch 351 Comment
  RSA0115826  Rumex salicifolius Steven A. Junak 1999-9-10 SCa- 1086 Los Angeles Santa Catalina Island. On S side of upper reservoir, Bulrush Canyon. 317 Comment
  RSA65475  Rumex salicifolius F. W. Peirson 1923-4-9 3473 Los Angeles San Clemente Island: about 6 miles SE of Wilson's Cove. Comment
  RSA592882  Sagina apetala L. C. Wheeler 1967-4-23 9192 Los Angeles San Gabriel Mountains. Sunset Ridge, by Millard Canyon Comment
  RSA0062518  Sairocarpus coulterianus R. G. Swinney 2010-4-20 12318 Los Angeles North of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream. 549 Comment
  CAS-BOT-BC108064  Salix exigua Tim Ross; Orlando Mistretta 1993-5-26 7312 Los Angeles W end of the San Gabriel Mtns: Santa Clara Road (U.S.F.S.) between Wilson Canyon Saddle and May Canyon Saddle. Seepy northerly draw at roadside, head of a tributary of Los Pinetos Canyon. San Fernando 7.5' USGS quadrangle 1048 Comment
  RSA11076  Salix exigua Carl B. Wolf 1928-3-29 1587 Los Angeles Castaic; South base of Ridge Route road 396 Comment
  RSA595682  Salix exigua Tim S. Ross, Victor W. Steinmann 1995-5-8 8548 Los Angeles First unnamed canyon E of Spunky Canyon, N side of Bouquet Reservoir 915 Comment
  SD986  Salix exigua var. hindsiana F. Ray Fosberg 1931-10-23 5850 Los Angeles Between Calabasas and Agoura, Santa Monica Mountains, dry ravine near top of grade on highway Comment
  VVC2189  Salix gooddingii Tim Thomas 1986-6-24 938 Los Angeles Transverse Ranges, Simi Hills, Cheseboro Cyn, lower drainage. 305 Comment
  CAS-BOT-BC104139  Salix hindsiana A. D. E. Elmer 1902-6-1 3650 Los Angeles Sangus Comment
  POM2063  Salix laevigata Philip A. Munz 1918-4-5 2023 Los Angeles South Hills, Pomona. Comment
  RSA226098  Salix laevigata Robert F. Thorne, C. W. Tilforth 1971-6-17 39946 Los Angeles San Gabriel Mts; Angeles National Forest: 2 mi. up Lower Tujunga Road from Forestry Headquarters; Little Tujunga Creek. 457 Comment
  SBBG59053  Salix laevigata R. Hoffmann 1929-4-26 Los Angeles Soledad Cyn Comment
  JEPS13834  Salix lasiolepis W. L. Jepson 1908-7-13 3053 Los Angeles Swain Canyon; Catalina Isl., Swain Canyon Comment
  RSA228941  Salix lasiolepis Robert F. Thorne 1971-8-25 41301 Los Angeles San Gabriel Mountains, Angeles National Forest: At Little Jimmy Springs. 2256 Comment
  RSA776519  Salix lasiolepis Jane Tirrell 2011-5-26 LS- 9 a Los Angeles Along north side of Highway 2 near mile marker 67.7. 2284 Comment
  SBBG57848  Salix lasiolepis C. W. Sharsmith 1932-1-17 7 Los Angeles lower San Gabriel Cyn, ca. 9.5 km above Azusa 300 Comment
  UC5054  Salix lasiolepis W. H. Brewer 1861-2-1 222 a Los Angeles Santa Susanna Mts. Comment
  UCSB987  Salix lasiolepis Beach, Kay 1943-2-18 Los Angeles San Dimas Exp Forest; Dalton camp Comment
  UCR178788  Salix lucida subsp. lasiandra R. G. Swinney 1989-8-23 s.n. Los Angeles San Gabriel Mtns., Glendora, Little Dalton Debris Basin 366 Comment
  RSA444928  Salsola gobicola Roger Minahan 1934-06 20143 Los Angeles Valyermo near Big Rock Comment
  CAS-BOT-BC180704  Salsola tragus John Thomas Howell 1952-10-26 28876 Los Angeles Vacant lot, Palmdale Comment
  LA31626  Salsola tragus Peter H. Raven; Henry J. Thompson 1959-6-4 14324 Los Angeles Santa Monica Mountains, Pt. Dume, behind the point 45 Comment
  RSA590845  Saltugilia splendens subsp. splendens T. S. Ross, S. D. Boyd 1990-5-17 2562 Los Angeles Little Gleason Forestry Plantation: north of Mt Gleason Road about the east headwaters of Gleason Canyon and about 2 (air) miles E of Mt Gleason summit. 1682 Comment
  UC184326  Saltugilia splendens subsp. splendens A. D. E. Elmer June, 1902 3685 Los Angeles Acton , Acton (Mt. Gleason) Comment
  RSA145218  Salvia apiana Alice Ann Webb, R. Heald 1961-3-21 789 Los Angeles Johnson's Pasture, Claremont. San Gabriel Mt. Range, San Gabriel drainage area. 457 Comment
  RSA660891  Salvia apiana Gerald Braden 1988-5-22 30 Los Angeles Strawberry Peak. Comment
  UCR147750  Salvia apiana L. C. Wheeler 1954-1 7055 Los Angeles San Gabriel Mountains, east of Eaton Wash, c. 0.25 mi N of Pasadena police pistol range (spring of 1954) Comment
  JEPS62536  Salvia apiana Frank W. Peirson 1918-6-28 180 Los Angeles Mt. Lowe foothills Mt. Lowe Comment
  SD38573  Salvia apiana Florence Post 1931-4-21 1979 Los Angeles Foothill Blvd. near Mt Wilson toll gate. Comment
  RSA9758  Salvia carduacea Louis C. Wheeler 1932-4-10 614 Los Angeles Acton. 823 Comment
  UC57016  Salvia carduacea Ernest Braunton 1902-4-29 200 Los Angeles North Pomona Comment
  RSA0069881  Salvia columbariae R. G. Swinney 2010-4-1 12153 Los Angeles Pacoima Wash, c. 1 mile NE of I-210 Fwy, just north of Maclay/Harding St., below Forest Service boundary, from wash bottom to 150 m to the west and from 50 to 150 meters north of Maclay. 399 Comment
  RSA306312  Salvia columbariae Henry J. Ramsey 1938-5-22 I 384 Los Angeles Eaton Canyon Park, Altadena. Comment
  SFV6209  Salvia columbariae R. M. Muran 1974-4-26 81 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  SFV3208  Salvia dorrii P. G. Kilburn 1958-4-12 718 Los Angeles Mojave Desert Palmdale, N and 30th Street, 5 miles NW of downtown. 3 miles west of US #6 on north side of road. In sandy soil. 790 Comment
  RSA191018  Salvia dorrii var. pilosa Robert F. Thorne 1963-5-15 31659 Los Angeles 1 mile W of Los Angeles Co. line on Route 138, ca. 2 miles W of Desert Springs. 1220 Comment
  CAS-BOT-BC233660  Salvia leucophylla Tim Ross 1992-6-15 6571 Los Angeles S-draining tributary of Turnbull Canyon, Whittier Hills (local name for the western extremity of the Puente Hills) 237 Comment
  UCSB7810  Salvia leucophylla Ensign, Judy 1963-4-7 Los Angeles half mile N of Natoma Dr; at Wells Dr. in Woodland Hills Comment
  OBI8154  Salvia mellifera Lewis Meltz 1977-4-9 LM 20 Los Angeles 25m S of Eaton Cyn, Wash, 2.5 km E of Eaton Cyn. Bridge Comment
  POM50248  Salvia mellifera L. W. Nuttall 1920-5-11 s.n. Los Angeles Santa Catalina Island. Comment
  RSA3509  Salvia mellifera Carl B. Wolf 1932-5-9 3452 Los Angeles Pebbly Beach, Santa Catalina Island. 30 Comment
  RSA434104  Salvia mellifera M. B. Dunkle 1933-4-19 3309 Los Angeles Palos Verdes Hills. Comment
  RSA596267  Salvia mellifera R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mountains, in and near Glendora Wilderness Park, Big Dalton Canyon. ''Owl Flats,'' Big Dalton Canyon, 1.4 mi NE of Glendora Mtn. Road. 457 Comment
  UC1124794  Salvia mellifera F. H. Raymond 1930-1-13 29 Los Angeles Head of Puerco Canyon; Calabasas Quad. 274 Comment
  UC450910  Salvia mellifera Fay A. MacFadden 1931-3-16 4 E Los Angeles Tuna Canyon; Verdugo Hills Comment
  RSA0036165  Salvia mellifera Bill Duval s.n. Los Angeles Montrose 60 Comment
  RSA477519  Sambucus caerulea Anonymous 1906-6-6 1501 Los Angeles Big Rock Creek. 1524 Comment
  JEPS19509  Sambucus mexicana Peter H. Raven 1957-9-21 11330 Los Angeles U.C.L.A. campus Los Angeles (small hill at nw end) Comment
  POM296988  Sambucus mexicana Karen Hosterman 1957-4-8 962 Los Angeles Santa Catalina Island. Avalon; just E of Stables on road to Bird Park; E-W Canyon. Comment
  RSA658305  Sambucus mexicana D. Roche 1998-5-26 27 Los Angeles Mt. Baldy Road 1.2 miles from the intersection of Mills Ave. adn Mt. Baldy Rd. North side of the road. 579 Comment
  UCR152906  Sambucus mexicana A. C. Sanders, Helen Kennedy 2005-4-13 29427 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  CAS-BOT-BC238723  Sambucus nigra subsp. caerulea John I. Carlson 1918-4-26 s.n. Los Angeles Griffith Park Comment
  OBI4455  Sambucus nigra subsp. caerulea Robert J. Rodin 1953-5-2 5812 Los Angeles Catalina Island. Near White's cove Comment
  OBI69409  Sambucus nigra subsp. caerulea Suzan Barth 1994-5-17 33 Los Angeles Santa Susana Mtns. Aliso cyn 600 m from Sesnon trail head at bottom of first loop Comment
  RSA471444  Sanicula bipinnatifida E. Crow 1928-4-11 239 Los Angeles Hills southwest of Pomona. Comment
  RSA762067  Sanicula crassicaulis Orlando Mistretta, Christine Mistretta 2008-5-16 3092 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 107 per TRTP Survey 2008), Upper Fish Canyon 1073 Comment
  RSA670183  Satureja mimuloides Ian Swift 2001-7-2 236 Los Angeles Middle Fish Canyon, 1.5 miles north of Cienega Campground 808 Comment
  RSA250686  Saxifraga californica R. F. Thorne 1971-4-2 41431 Los Angeles Johnson's Pasture s, N. of Mountain Avenue, Claremont 549 Comment
  RSA458890  Saxifraga californica Louis C. Wheeler 1934-3-19 2479 Los Angeles Liveoak Canyon. Altitude 1550 feet. 473 Comment
  CAS-BOT-BC239928  Schismus arabicus Ernest C. Twisselmann 1966-4-27 10107 Los Angeles Hi Vista 868 Comment
  RSA596985  Schoenoplectus americanus Steve Boyd, Lauren Raz 1996-9-24 8959 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
  RSA366051  Schoenoplectus americanus F. R. Fosberg 1930-6-26 S- 3038 Los Angeles Lower Ballona Creek. 7 Comment
  RSA601773  Schoenoplectus californicus L. C. Wheeler 1946-7-28 6221 Los Angeles San Gabriel: Rio Hondo, 1/4 mile north of San Gabriel Boulevard. Comment
  SFV622  Scirpus acutus var. occidentalis K. A. Wilson 1961-4-29 1174 Los Angeles San Gabriel Mountains Big Rock Creek. In small, marshy area. 1200 Comment
  CATA508  Scrophularia villosa Sara L. Crockett 1997-4-2 652 Los Angeles Santa Catalina Island: 2.4 miles W along Empire Landing Road from jct. with Airport Road, 25 m S of road 259 Comment
  RSA592511  Scrophularia villosa Mark Hoefs 1973-3-13 69 Los Angeles Santa Catalina Island: shaded slope under chaparral community in upper Avalon Canyon, west of Memorial. 259 Comment
  LA30220  Scutellaria mexicana Harlan Lewis; H. L. Wedberg 1957-4-13 sn Los Angeles Pearblossom Comment
  POM96950  Scutellaria tuberosa P. A. Munz 1925-4-23 9418 Los Angeles San Gabriel Canyon. 305 Comment
  LA209588  Selaginella asprella Lawrence L. Kiefer; 1966-10-29 2477 Los Angeles San Gabriel Mountains, vicinity of Devil's Punchbowl, Holcomb Cyn, ca. 1/3 mi S of USFS trail 9W01 1462 Comment
  SBBG118489  Selaginella asprella L. C. Wheeler 1961-4-21 7803 Los Angeles ca. 0.5 mi W of Sulphur Springs Cmpgrd Comment
  LA94003  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-13 1733 Los Angeles SANTA MONICA MOUNTAINS, Zuma Canyon, ca 2.5 mi from mouth of canyon. 152 Comment
  SBBG17970  Selaginella bigelovii E. R. Blakley 1963-4-7 5511 Los Angeles Middle Ranch Cyn, 1 mi below Eagle's Nest 60 Comment
  UC284755  Selaginella bigelovii P. A. Munz 1923-4-10 6726 Los Angeles e coast San Clemente Isl. (canyon s of Lemon Tank) Comment
  CAS-BOT-BC62034  Selaginella bigelovii Prof. W. R. Dudley 1907-12-1 s.n. Los Angeles Sawpit Canyon (near Mourovia) Comment
  OBI1548  Selaginella bigelovii R. J. Rodin 1953-5-2 5804 Los Angeles Canyon behind Hites Cove, Catalina Island Comment
  POM312798  Selaginella bigelovii D. Taylor 1951-5-17 60 Los Angeles Little Dalton Canyon north of Glendora. 365 Comment
  UC1215286  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles opposite Wilson cove; w slope of San Clemente Isl. 60 Comment
  UC1971414  Selaginella bigelovii Louis C. Wheeler 1967-5-23 9674 Los Angeles SAN GABRIEL MOUNTAINS: Ravine immediately southwest of mouth of Bear Canyon, off Soledad Canyon. Comment
  PASA1362  Senecio douglasii Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  RSA0042788  Senecio douglasii Mark Schneider 1973-4-26 s.n. Los Angeles Lower portion of Tujunga Wash, San Fernando Valley. 457 Comment
  CAS-BOT-BC333103  Senecio flaccidus var. douglasii David D. Keck 1932-10-14 1952 Los Angeles Tujunga Wash 4 miles east of Van Nuys on Van Owen Street Comment
  POM241  Senecio flaccidus var. douglasii Fordyce Grinnell Jr., H. W. Grinnell 1906-9-6 s.n. Los Angeles Bank of Arroyo Seco, near Pasadena Comment
  SEINET4691742  Senecio flaccidus var. douglasii R. G. Swinney 2009-1 11607 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: Confuence of Kentucky Spring Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  UC625132  Senecio lyonii F. R. Fosberg 1931-5-27 S 4416 Los Angeles Pebble Beach Road Santa Catalina Island 15 Comment
  PASA955  Senecio vulgaris Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA190983  Senecio vulgaris R. F. Thorne, Reed C. Rollins, D. Propst, R. Carolin 1967-3-18 36751 Los Angeles Santa Catalina Island: lower end Bullrush Canyon 183 Comment
  RSA723075  Setaria parviflora LeRoy Gross 2007-5-16 2729 Los Angeles Southwest side of the range. Near end of Roscoe Blvd. that runs up into Chandler Canyon. Opposite side of street of 9960 address. 305 Comment
  CDA2454  Setaria viridis T. C. Fuller 1958-8-6 5118 Los Angeles West of 90th Street East, 1/4 mile south of Avenue I, 9 miles east of Lancaster. 0 Comment
  SBBG23510  Sidalcea sparsifolia E. C. Twisselmann 1965-5-18 10855 Los Angeles marsh along the Lancaster Rd, ca. 3 mi SE of Gorman 1097 Comment
  UCR140433  Silene gallica June Latting 1958-3-30 235 Los Angeles San Gabriel Mtns., end of Live Oak Canyon Road, 3 miles north of Claremont 610 Comment
  CAS-BOT-BC387013  Silene gallica LeRoy Abrams 1902-5-31 2489 Los Angeles Inglewood Comment
  RSA655782  Silene gallica LeRoy Gross 2001-2-17 338 Los Angeles Verdugo Mountains, north side: East of Hostetter Mountainway, follow dirt road that splits east of Hostetter parallel with 210 freeway., This road dips down into a canyon then climbs back up and around the first ridge east facing slope. 549 Comment
  RSA660482  Silene gallica Ian Thompson 1997-2-26 33 Los Angeles Cal Poly Pomona Ecological Reserve. Graded Forest Lawn fill-in North of D-line. Comment
  UC72021  Silene gallica Miss E. D. Palmer November, 1904 Los Angeles vicinity Los Angeles; vicinity of Los Angeles Comment
  SEINET3155767  Silene laciniata G. B. Grant 1205 Los Angeles collected at Pasadena Comment
  POM123108  Silene laciniata subsp. major Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. [Santa Monica Mountains] Comment
  UCR256221  Silene laciniata subsp. major R. G. Swinney 2010-6-4 13036 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA477916  Silene laciniata subsp. major Donald R. Bissing 1973-6-2 145 Los Angeles Evey Canyon, about 1.3 mile from canyon mouth 878 Comment
  POM82710  Silene multinervia P. A. Munz 1925-4-23 9462 a Los Angeles San Gabriel Canyon. 488 Comment
  UCD99106  Silene verecunda Joseph A. Ewan 1933-7-15 7792 Los Angeles above San Emigdis Camp, Mt. Pinos. 2133 Comment
  RSA593448  Sisymbrium altissimum Steve Boyd 1996-4-24 8649 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
  POM18182  Sisymbrium irio P. A. Munz 1923-3-10 6582 Los Angeles Claremont. Orchards south of Santa Fe RR. 351 Comment
  SD51921  Sisymbrium irio Peter H. Raven 1962-4-9 17140 Los Angeles San Clemente Island; near barracks, Wilson Cove. 60 Comment
  CHSC95807  Sisymbrium orientale LeRoy Gross; Michael Denslow, Mariam Sidibeh, Valerie Soza 2003-2-10 703 Los Angeles Transverse Ranges: Verdugo Mountains Region; South side; Off of dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. Area burned Summer-Fall of 2002. By power pole next to road and on nearby slopes. 622 Comment
  UCR205236  Sisymbrium orientale R. G. Swinney 2008-3-26 8568 Los Angeles San Gabriel Mtns., San Dimas, Puddingstone Diversion Dam, at mouth of San Dimas Cyn 354 Comment
  UCR258899  Sisymbrium orientale R. G. Swinney 2010-4-30 12465 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, ridgetop south of the southern of the two eastern forks of Wilson Cyn., 0.45 miles east of Wilson Debris Basin along old motorway 549 Comment
  CATA387  Sisyrinchium bellum Mark L. Hoefs 1974-5-2 451 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  HSC13919  Sisyrinchium bellum David Porter 1965-5-14 Los Angeles Along Mulholland Hwy., 1 mi. W of Canyon Rd. 305 Comment
  LA26156  Sisyrinchium bellum Judith Webb; 1955-4-2 sn Los Angeles 243 Comment
  POM1767  Sisyrinchium bellum I. M. Johnston 1917-5-13 1022 Los Angeles El Monte. 84 Comment
  RSA250471  Sisyrinchium bellum Robert F. Thorne, John Dourley 1967-10-10 37380 Los Angeles San Gabriel Mountains, Angeles National Forest: Yucca Flats Summer Housing Tract. 1250 Comment
  SFV22014  Sisyrinchium bellum V. Soza, L. Gross, A. Munoz 2000-5-12 900 Los Angeles Verdugo Mountains Northwestern end of Verdugo Mountains. Crestline Drive from New Home Avenue in Sunland. Ridge east of 210 Freeway and west of fire road, south (above) water tank. Northeast-facing slope above fire road. 488 Comment
  CDA39478  Sisyrinchium rosulatum A. C. Sanders, D. Malueg 2001-5-17 24313 Los Angeles Los Angeles Basin; Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decommissioned. Comment
  LA200855  Solanum americanum Michael Neuman; October 1983 5 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  UC1922356  Solanum americanum Scott D. White, A. Warniment 2006-7-6 11602 Los Angeles SE TEHACHAPI MTNS.: Gorman area, sag ponds and adj. slopes just N of Gorman Post Rd. Comment
  RSA422415  Solanum douglasii T. S. Clare 1929-3-3 15054 Los Angeles Topango [Topanga] Canyon. Comment
  UC1125086  Solanum douglasii Jerome S. Horton 1935-5-22 143 Los Angeles below C. C. C. Camp (Dalton Canyon, Dalton Watershed); Dalton Canyon 304 Comment
  UCD126888  Solanum douglasii Kenneth A. Wilson 1961-3-12 1007 Los Angeles Point Dume, summit of Birdview and Cliffside Drive. 38 Comment
  RSA276004  Solanum douglasii Jack Delaini 1974-4-5 97 Los Angeles Lodi Canyon, San Dimas Experimental Forest, Angeles National Forest. 396 Comment
  RSA422427  Solanum douglasii Tom Burch 1940-3-2 4019 -3 Los Angeles Playa Del Ray. 0 Comment
  RSA599350  Solanum douglasii Louis C. Wheeler 1968-3-17 s.n. Los Angeles Morgan Canyon at Ferguson Motorway 488 Comment
  SEINET7262243 Image available Solanum elaeagnifolium B. Miller, W. Griesel 1963-7-2 s.n. Los Angeles Old Ridge Rte between Violin Summit & Reservoir Lookout Comment
  RSA60289  Solanum umbelliferum G. R. Campbell 1948-5-13 581 Los Angeles Just below fire station, San Dimas Canyon, San Gabriel Mountains 610 Comment
  RSA648281  Solanum umbelliferum Jami Liberi 1983-5-19 22 Los Angeles Located in Claremont, across the [street] from the San Antonio Dam. 640 Comment
  UC26252  Solanum umbelliferum Samuel B. Parish 1887-6-1 1888 Los Angeles near Elizabeth Lake (Antelope Valley); Antelope Valley Comment
  RSA427398  Solanum umbelliferum Emma Robinson 1884-5-1 s.n. Los Angeles Old Santa Monica. Comment
  UCD127102  Solanum xanti Daryl Koutnik 1978-4-14 362 Los Angeles Simi Hills at west end of Devonshire Blvd. 365 Comment
  UCSB6859  Solanum xanti Crum, Charles 1958-7-3 Los Angeles Crystal lake road, near Los Angeles California 1219 Comment
  SFV4113  Solidago confinis M. L. Vincent 1962-10-4 295 Los Angeles San Gabriel Mountains Valyermo Road 0.25 miles west of Valyermo. 1110 Comment
  UC63367  Solidago confinis Ernest Braunton Aug 1902 658 Los Angeles Oak Knoll Comment
  SEINET13276800 Image available Solidago velutina subsp. californica R. G. Swinney 2011-1 15885 Los Angeles San Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39 (Crystal Lake 7.5' Q.) 1006 Comment
  CAS-BOT-BC365846  Soliva sessilis Martin F. Ray 1984-7-31 55 Los Angeles Santa Monica, Palisades Park Comment
  UC1215152  Sonchus asper Peter H. Raven 1962-4-12 17336 Los Angeles narrow canyon s of canyon below the Tomb (w side San Clemente Island); w side San Clemente Island 274 Comment
  CATA1452  Sonchus asper subsp. asper Mark L. Hoefs, Robert F. Thorne 1996-4-6 2634 Los Angeles Santa Catalina Island: End of Renton Mine Road 268 Comment
  RSA0021711  Sonchus oleraceus Duncan S. Bell, Caitlin Elam 2013-6-24 5261 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere. 870 Comment
  RSA187956  Sonchus oleraceus R. F. Thorne 1966-4-28 36229 -a Los Angeles Santa Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canyon. 259 Comment
  UCR256872  Sonchus oleraceus R. G. Swinney 2010-6-8 13214 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canyon Trail 573 Comment
  RSA187658  Sorghum bicolor R. F. Thorne 1966-9-15 36696 Los Angeles Santa Catalina Island, Volunteering along roadside near Bird Park, Avalon 15 Comment
  RSA0115279  Spartium junceum Richard G. Swinney 2010-10-5 13991 Los Angeles San Gabriel Mountains: east end of Palcerita Canyon Natrual Area, near confluence of Placerita and Los Pinteos canyons. 549 Comment
  LA82245  Spergula arvensis O. H. Kappler; 1944-4-2 564 Los Angeles 60 Comment
  RSA0097901  Spergularia bocconi R. F. Thorne 1973-4-12 42928 Los Angeles San Clemente Island: Pyramid Cove at S end of island. 3 Comment
  CAS-BOT-BC390806  Spergularia marina Rev. J. C. Nevin 1882-1-1 647 Los Angeles Santa Monica Comment
  RSA65570  Spergularia rubra F. W. Peirson 1920-5-11 2132 Los Angeles Summit of Echo Mountain. 976 Comment
  SBBG31324  Spergularia villosa R. F. Thorne with P. C. Everett 1965-5-10 34513 Los Angeles near upper end of Gallagher Cyn 426 Comment
  RSA0098704  Spergularia villosa R. F. Thorne 1966-9-14 36633 Los Angeles Santa Catalina Island. On roadbank above stream in lower Middle Ranch Canyon ca. 3/4 mi above Ben Weston Beach. 53 Comment
  UCD23439  Sphaeralcea ambigua var. rosacea Robert C. Bechtel 1956-7-18 7 Los Angeles Tanbark Flat, San Dimas Experimental Forest. Shrub to 10 feet tall, branching, flowers pinkish. On hillside, associated with Lotus, Salvia, Cercocarpus and Baccharis. 822 Comment
  RSA725849  Sphenosciadium capitellatum R. G. Swinney 1997-7-16 5658 Los Angeles Buford Canyon, 0.5 mi. W of San Barnardino Co. line, S of Hwy 2 and Swarthout Valley, 2 air mi. W of Wrightwood 1921 Comment
  CAS-BOT-BC235430  Sporobolus airoides 1928-6-10 17 Los Angeles Peace Valley Comment
  POM11954  Sporobolus airoides H. S. Yates 1914-5-22 s.n. Los Angeles Near Long Beach. Comment
  JEPS62996  Stachys albens Frank W. Peirson 1921-7-1 1046 Los Angeles Soledad Canyon San Gabriel Mts. 441 Comment
  LA52375  Stachys bullata Robert L. Dressler; 1949-4-23 701 Los Angeles 213 Comment
  POM6532  Stachys rigida subsp. quercetorum L. T. Street 1919-3-30 2455 Los Angeles Turnbull Canyon, near Whittier. 305 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
  CAS-BOT-BC60918  Stanleya pinnata Timothy S. Ross; Steve Boyd; Peter W. Fritsch 1990-6-11 3389 Los Angeles San Gabrile Mountains. Little Rock Creek. Joshua Tree Campground on the southwest side of Little Rock Reservoir. 1002 Comment
  UCSB23655  Stanleya pinnata McPherson, James 1966-7-12 Los Angeles South side of Elizabeth Tabe Road, 2 miles east of its junction with Goode Hill Road, 7 miles west of Palmdale 914 Comment
  UCSB33628  Stanleya pinnata Fong, Fred 1963-5-15 Los Angeles Little Rock Dam, San Gabriel Mountains 914 Comment
  LA201834  Stanleya pinnata var. pinnata Arthur C. Gibson; 2003-5-22 4926 Los Angeles 15 Comment
  SBBG31475  Stellaria media R. F. Thorne 1966-4-5 Los Angeles Cottonwood Cyn 106 Comment
  RSA678318  Stellaria nitens V. Soza, Steve Boyd 2002-4-10 1399 Los Angeles Del Sur Ridge, Haskell Canyon, approx. 0.5 mile south of peak '2508'. Stables Fire 2001 area. 579 Comment
  UCD99480  Stellaria nitens Louis C. Wheeler 1967-5-2 9261 Los Angeles Liebre Mountains, north side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 365 Comment
  SD254550  Stephanomeria Mitch Provance, Scott Duff 2015-11-9 1115 8 Los Angeles Antelope Valley: S side of Hwy 138, c. 4.7 miles W of Antelope Acres, SCE transmission route, c. 0.2 miles E of 140th St W (Little Buttes 7.5'Q) 790 Comment
  RSA0001590  Stephanomeria blairii E. G. Blair 1923-1 s.n. Los Angeles San Clemente Island. Comment
  CAS-BOT-BC375143  Stephanomeria cichoriacea F. Grinnell Jr. 1917-9-23 s.n. Los Angeles Negro Canon [Canyon], near Pasadena, San Gabriel Mts. Comment
  UC75139  Stephanomeria cichoriacea C. F. Baker 1903-8-2 3656 Los Angeles near Claremont; San Antonio Canyon Comment
  RSA729947  Stephanomeria exigua R. G. Swinney 1999-6-28 7434 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek Cny. Rd. 1402 Comment
  RSA0070278  Stephanomeria exigua subsp. coronaria LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7006 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
  POM153307  Stephanomeria pauciflora var. pauciflora P. A. Munz, I. M. Johnston 1928-9-4 11176 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  RSA655352  Stephanomeria virgata LeRoy Gross, Valerie Soza, Neil Gilbert 2000-10-18 276 Los Angeles Verdugo Mountains: Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet 610 Comment
  RSA659916  Stephanomeria virgata Orlando Mistretta 1991-9-25 s.n. Los Angeles Red Mountain. Comment
  UCR210135  Stephanomeria virgata R. G. Swinney 2008-8-13 9392 Los Angeles San Gabriel Mtns., Big Rock Creek, 1.3 mi. east of Fenner Canyon 1860 Comment
  RSA611972  Stephanomeria virgata subsp. pleurocarpa Valerie L. Soza, Laura Moore 1997-8-16 49 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard: West of main road, at northern boundary of open grass area north of Foothill Boulevard. 412 Comment
  SBBG91139  Stephanomeria virgata subsp. virgata M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  RSA0091127  Stipa coronata R. G. Swinney 2010-4-13 12177 Los Angeles 0.35 miles north of Limekiln Cyn. bottom, along ridgeline motorway, south of Pacoima Dam, 0.4 miles east of Pacoima Cyn. stream bottom 610 Comment
  UCR259125  Stipa coronata var. coronata R. G. Swinney 2010-5-4 12522 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  IRVC29576  Stipa lepida A. C. Sanders 2003-4-29 26186 Los Angeles Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. Western San Gabriel Mtns. 396 Comment
  UCR62855  Stipa occidentalis B. Lennart Johnson 1957-4-26 G- 46 Los Angeles Near Newhall on Hwy 6 Comment
  LA9468  Stipa speciosa A. M. Johnson; 1932-4-17 3960 Los Angeles Antelope Valley, Palmdale Comment
  UCR116284  Stipa speciosa B. G. Pitzer 1998-5-23 3715 Los Angeles Western Mojave Desert, c. 18 air mi. NW of Adelanto, 12.8 mi (air) west of the San Bernardino Co. line, 240th St. East, c. 3.6 mi. north of junction with El Mirage Rd (Ave. 'P') & c. 2.9 mi. south of Avenue 'J 866 Comment
  RSA191639  Stuckenia pectinata Robert F. Thorne, M. Z. Thorne 1966-8-29 36603 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines Recreation Area south of Jackson Lake on road from Big Pines to Valyermo 1860 Comment
  RSA611364  Stuckenia pectinata L. C. Wheeler 1968-9-16 s.n. Los Angeles Una Lake, near Palmdale.. . Comment
  UCR282030  Stylocline gnaphaloides R. G. Swinney 2014-5-7 16424 Los Angeles San