Search Results — 2000 specimen records retrieved (1595 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SFV253  Abies concolor R. L. Armacost 1962-10-6 1507 Los Angeles San Gabriel Mountains San Gabriel Mountains, Upper San Antonio Canyon near Claremont Comment
  RSA0048573  Abronia maritima A. Lee Haines 1970-4-24 s.n. Los Angeles Pt. Dume. Comment
  RSA600668  Abronia pogonantha C. Epling, Mrs. Epling 1937-6-16 s.n. Los Angeles 1 mile east of Lancaster. Comment
  RSA0025878  Abronia umbellata Peter H. Raven 1962-7-10 17952 Los Angeles San Clemente Island. Near west shore of island due west of Wall 2. Comment
  SD90379  Abronia umbellata Robert F. Thorne 1966-4-15 35990 Los Angeles San Clemente Island; 0.67 mile southsoutheast of Eel Point, southwest side of island. 29 Comment
  UCR205522  Acacia cyclops A. C. Sanders, T. B. Salvato 2009-5-19 36813 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
  SEINET10487474  Acacia decurrens David B. Dunn 1946-1 Dunn 1995 Los Angeles Cultivated and weedy plants in the yard at 4911 Pasadena Ave. Terrace, Los Angeles. Comment
  SEINET12343276  Acanthus mollis M. E. Mathias 1948-6-30 2181 Los Angeles West Los Angeles, Vavra Estate Comment
  UCR132296  Acer macrophyllum 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
  UCR199989  Acer macrophyllum Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1354 Los Angeles Transverse Ranges; Verdugo Mountains, Whiting Woods Road, mouth of Henderson Canyon 396 Comment
  UCR247459  Acer negundo subsp. californicum Dan S. Cooper 2013-8-8 813- 47 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  UC53905  Achillea millefolium Ernest Braunton 1901-5-12 Los Angeles head of Laurel Canon Laurel Canon Comment
  UC91281  Achillea millefolium Brandegee May 1890 Los Angeles Santa Catalina Island Comment
Read comments
Jan 29 2008
  UCSB9185  Achillea millefolium Wedberg, Lee 1954-5-17 Los Angeles Griffith Park 243 Comment
  RSA94581  Achillea millefolium Raymond J. Dobbs 1927-5-26 7674 Los Angeles near relay station, south slope of San Gabriel Mtns. Comment
  RSA730720  Achnatherum hymenoides R. G. Swinney 1997-6-13 5585 Los Angeles South of Pinon Hills, ridge NE of Table Mt. near LA Co. line. Ridge; pinyon-juniper woodland and chaparral. 1829 Comment
  RSA713258  Achnatherum speciosum LeRoy Gross 2005-5-3 2221 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
  CAS-BOT-BC204749  Acmispon argophyllus var. argenteus Frank W. Peirson 1923-4-9 3468 Los Angeles 2 miles S.-E. of Wilsons [Wilson] Cove, San Clemente Comment
  RSA0106726  Acmispon heermannii var. heermannii R. G. Swinney 2011-5-31 14928 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  CATA1566  Acmispon micranthus Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2834 Los Angeles Santa Catalina Island: Hillside above New York Harbor 79 Comment
  SD255719  Acmispon strigosus R. G. Swinney 2011-6-22 15260 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 (Waterman Mt 7.5'Q) 1780 Comment
  SD187331  Acourtia microcephala Valerie Soza, LeRoy Gross and Marisa Sripracha 2001-7-20 1360 Los Angeles Crest of Verdugo Mountains, Verdugo Lateral off Verdugo Mtwy. 822 Comment
  UC206238  Acourtia microcephala Katharine Brandegee Los Angeles Santa Catalina Id. Comment
  UCD150959  Acourtia microcephala D. S. Park 2010-4-26 44 Los Angeles Ranch Santa Ana Botanic Garden 381 Comment
  RSA652780  Acourtia microcephala Monica Acosta 1998-5-19 39 Los Angeles The Voorhi Ecological Reserve at California State Polytechnic University. (Cal Poly Pomona) 226 Comment
  CAS-BOT-BC133172  Adenostoma fasciculatum A. J. Hill 1963-8-25 s.n. Los Angeles Topanga Canyon near intersection with Entrada Drive Comment
  CHSC83602  Adenostoma fasciculatum John Dittes 1990-6-7 81 Los Angeles Transverse Range; San Gabriel Mts., Canyon of Big Tujunga Creek; ca. 1.2 air miles northeast of dam. 30 feet above creek. 929 Comment
  POM615  Adenostoma fasciculatum Caroline S. Weinland s.n. Los Angeles Palmer Canyon. N of Claremont. 381 Comment
  RSA390571  Adenostoma fasciculatum Bonnie C. Templeton 1930-5-27 8939 Los Angeles Near Mulholland Drive, Santa Monica Mountains. North of Beverly Hills. 600 Comment
  UC1922565  Adenostoma fasciculatum Gary Kovnat with LeRoy Gross 2003-4-5 36 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  POM274967  Adenostoma fasciculatum var. fasciculatum Cora W. Benson 1929-1-21 s.n. Los Angeles Hollywood Hills 91 Comment
  CHSC118947  Adiantum capillus-veneris Duncan S. Bell; Caitlin Elam 2013-6-24 5267 Los Angeles Transverse Ranges; San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  UCR209118  Adiantum capillus-veneris R. G. Swinney 2008-6-24 9081 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  LA200051  Adiantum jordanii Lawrence L. Kiefer; 1966-3-12 1690 Los Angeles SANTA MONICA MOUNTAINS, Lobo Canyon, ca 1 mi W of Triunfo Canyon Rd. 304 Comment
  SEINET269306 Image available Adiantum jordanii Scott D. White, Chet McGaugh 1995-5-9 2988 Los Angeles East edge of Santa Susana Mountains just west of San Gabriel Mountains 'Sunshine Canyon': west of San Fernando road and 457 Comment
  POM8695  Adiantum jordanii P. A. Munz, Harwood 1920-3-13 3317 Los Angeles Puddingstone Canyon, San Dimas 304 Comment
  POM871  Adiantum jordanii M. Harbour 1909-1 s.n. Los Angeles Claremont, hills east of Orange. Comment
  UC284842  Aesculus californica P. A. Munz 1923-6-9 6939 Los Angeles Oakgrove Canyon; Liebre Mts. Comment
  RSA577890  Agave Louis C. Wheeler 1936-6-21 4170 Los Angeles W Fork Palmer Canyon 640 Comment
  CAS-BOT-BC29348  Ageratina adenophora Timothy S. Ross 1992-5-24 6405 Los Angeles Lower Brown's Gulch, just W of the San Gabriel Dam 463 Comment
  SEINET3246126  Ageratina adenophora T. B. Salvato, Sandra Murcia 2007-1 2023 Los Angeles San Gabriel Mountains: Angeles National Forest, lower Santa Anita Canyon at the upper end of Santa Anita Reservoir. 411 Comment
  UCR255504  Agoseris grandiflora Dan S. Cooper 2014-5-19 514- 12 A Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, east slope of Beacon Hill, east of Fern Cyn. 190 Comment
  PASA911  Agoseris retrorsa Frank W. Peirson 1922-7-6 Los Angeles Blue Ridge, San Gabriel Mts. 2316 Comment
  RSA529161  Agoseris retrorsa Timothy S. Ross, Steve Boyd 1991-7-24 5673 Los Angeles San Gabriel Mountains, Granite Mountain vicinity: ridge NNE of Granite Mountain. 1866 Comment
  RSA505269  Agropyron cristatum S. Zona, D. Arias, O. Dorado, M. Hanson, Jose Luis Villasenor 366 Los Angeles Mountain High Ski Resort; W of Wrightwood. North slopes of San Gabriel Mountains. 2018 Comment
  HSC101378  Agrostis exarata R. G. Swinney 2008-8-13 9378 Los Angeles San Gabriel Mtns.: Icy Springs, tributary of Big Rock Creek 1756 Comment
  UC205252  Agrostis exarata I. M. Johnston 1917-8-23 1634 Los Angeles Prairie Fork San Antonio Mountains 2133 Comment
  CAS-BOT-BC139739  Agrostis gigantea I. M. Johnston 1917-8-22 1633 Los Angeles San Antonio Mountains. Prairie Fork of San Gabriel River. 1524 Comment
  RSA228965  Agrostis idahoensis R. F. Thorne 1971-8-25 41313 Los Angeles San Gabriel Mountains, Angeles National Forest: At Windy Spring on N slope of Mt. Islip. 2256 Comment
  UCR2550  Agrostis pallens F. M. Reed 1925-5-18 5135 Los Angeles La Canyada [La Canada] 396 Comment
  RSA469450  Aliciella lottiae Anstruther Davidson 1893-5-12 s.n. Los Angeles Lancaster. Comment
  RSA769904  Allium R. G. Swinney 2009-5-28 10958 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR147626  Allium burlewii Valerie Soza, LeRoy Gross 2000-5-24 960 Los Angeles San Gabriel Mtns., Northwestern side of Timber Mountain, 0.75 mi from Icehouse Saddle on trail to telegraph Peak 2424 Comment
  SBBG127061  Allium fimbriatum var. fimbriatum A. Parikh, N. Gale 2011-6-11 3449 Los Angeles N of Aliso Cyn, 0.2 km W of Angeles Forest Hwy, 1 km N of Aliso Cyn Rd; San Gabriel Mtns 1186 Comment
  UCR98791  Allium fimbriatum var. fimbriatum Steve Boyd, Lauren Raz 1997-5-1 9689 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline, W summit of Mt. McDill (transit site 'Mint') on the divide between Maple & Letteau canyons. 1573 Comment
  UCSB32428  Allium haematochiton Bauld, William 1962-3-24 Los Angeles Sunflower Canyon, South Glendora 213 Comment
  RSA70466  Allium lacunosum var. davisiae F. W. Peirson 1921-6-15 2665 Los Angeles Trail from Pine Flats to Chilao 1677 Comment
  CAS-BOT-BC472941  Allium monticola H. M. Hall 1899-6-1 s.n. Los Angeles San Antonio St. 3048 Comment
  SBBG95680  Allium praecox A. Liston, O. Mistretta, L. Rieseberg 1989-4-30 805 -4 Los Angeles Waynuk Cyn Comment
  RSA536042  Allium praecox Timothy S. Ross 1991-5-21 5410 Los Angeles San Clemente Island: junction of the upper two forks of Box Canyon, SW side of the island. 450 Comment
  UC303619  Allophyllum divaricatum I. Johnston 1917-7-1 1439 Los Angeles <Evy> Evey Canyon 1066 Comment
Read comments
Jan 23 2011
  UC907901  Allophyllum divaricatum Herbert L. Mason 1927-6-11 3742 Los Angeles Mt. Wilson San Gabriel Mts., Mt. Wilson Comment
  UCR178916  Allophyllum divaricatum R. G. Swinney 1989-8-5 s.n. Los Angeles San Gabriel Mtns., base of the mtns. near the city of Glendora; Glendora Ridge Motorway, 0.5 mi west of Glendora Mountain Rd. 732 Comment
  UCR179703  Allophyllum divaricatum R. G. Swinney, Dave Larson 1996-7-17 5133 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UC879976  Allophyllum glutinosum F. R. Fosberg 1931-7-14 S 5413 Los Angeles Santa Catalina Isl., Hamilton Canyon 30 Comment
  SEINET2444583  Allophyllum integrifolium R. G. Swinney 1999-7-5 7518 Los Angeles San Gabriel Mtns. Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 (Mescal Creek 7.5' Q.). 1866 Comment
  UCR192884  Allophyllum integrifolium R. G. Swinney 1998-7-8 6345 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  POM247865  Alnus rhombifolia Joseph A. Ewan 1936-8-2 9906 Los Angeles Mescal Canyon 1616 Comment
  UCR273256  Alnus rhombifolia R. G. Swinney 2011-10-25 15859 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
  RSA91233  Alnus rhombifolia F. W. Peirson 1919-1-5 301 Los Angeles Monrovia Canyon, San Gabriel Mountains 579 Comment
  RSA592868  Amaranthus albus L. C. Wheeler 1967-7-30 10264 Los Angeles San Gabriel Mountains. Big Cienaga Trail Canyon. 1143 Comment
  RSA70014  Amaranthus albus F. W. Peirson 1921-3-6 1841 Los Angeles San Gabriel Wash. 213 Comment
  RSA597276  Amaranthus blitoides T. S. Ross, Steve D. Boyd 1990-6-18 3511 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. San Gabriel Mountains. 1744 Comment
  UCR160796  Amaranthus blitoides David Charlton 1991-9-19 5698 B Los Angeles Western Mojave Desert, Piute Ponds, SW side of Rosamond Dry Lake, Edwards Air Force Base 695 Comment
  SD80113  Amaranthus deflexus C. W. Tilforth 1969-7-23 211 Los Angeles Rancho Santa Ana Botanical Garden, Claremont Comment
Read comments
Mar 31 2008
  UCR125902  Amaranthus retroflexus A. C. Sanders, Mark Elvin, Julie M. Vanderwier, M. S. Enright 2002-6-26 25302 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, south of Santa Clara River on mesa 366 Comment
  SBBG110898  Amblyopappus pusillus G. B. Grant, W. Wheeler 1904-4-21 Los Angeles Santa Catalina Island Comment
  RSA659730  Amblyopappus pusillus Orlando Mistretta, E. Kellogg, L. Arnseth, Peter L. Morrell 1992-4-3 87 Los Angeles San Clemente Island. Comment
  UC557680  Amblyopappus pusillus Nell Murbarger 1936-3-1 61 Los Angeles w side of island, low slopes San Clemente Island Comment
  UC557657  Ambrosia chamissonis Nell Murbarger 1936-5-1 214 Los Angeles Northwest Harbor; San Clemente Island Comment
  RSA150972  Ambrosia chamissonis Peter H. Raven 1962-4-11 17265 Los Angeles Due west of Wall 2; San Clemente Island 6 Comment
  UCD150964  Ambrosia chenopodiifolia D. S. Park 2010-4-27 50 Los Angeles Ranch Santa Ana Botanic Garden 375 Comment
  JEPS30708  Ambrosia confertiflora Peter H. Raven 1961-10-13 16844 Los Angeles along, (Arcadia) US Hwy 66; Arcadia 198 Comment
  LA31630  Ambrosia psilostachya Peter H. Raven; Henry J. Thompson 1958-9-28 Los Angeles Elysian Park 198 Comment
  PASA826  Ambrosia psilostachya var. californica Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  JEPS45150 Image available Amelanchier utahensis Frank W. Peirson 1919-6-14 471 Los Angeles along s side Head of Rock Creek; San Gabriel Mts. 2011 Comment
  JEPS20068  Amorpha californica var. californica Dr. R. J. Dobbs 1927-6-22 7683 Los Angeles near Waterman's; San Gabriel Mts., Arroyo Seco 1005 Comment
  RSA584859  Amorpha californica var. californica T. S. Ross 1993-6-1 7363 Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 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
  POM246608  Amsinckia intermedia F. R. Fosberg 1931-3-23 54329 Los Angeles Hamilton Canyon, Santa Catalina Island. 30 Comment
  RSA0079974  Amsinckia intermedia Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1179 Los Angeles Western mouth of La Tuna Canyon, north side of La Tuna Canyon. Trail from Tuxford St and Ledge Ave. 320 Comment
  SEINET3347172  Amsinckia intermedia R. G. Swinney 2009-3-25 10159 Los Angeles San Gabriel Mtns. Foothills; far west end of Glendora Ridge Motorway on north side of road at boundary of El Encanto Azusa River Wilderness Park (Azusa 7.5' Q). 549 Comment
  UC159172  Amsinckia intermedia Geo. B. Grant 1901-1 40 Los Angeles Pasadena; Pacific Coast Comment
  RSA213399  Amsinckia intermedia M. B. Dunkle 1939-4-6 7294 Los Angeles Mosquito Harbor, San Clemente Island. Comment
  RSA499965  Amsinckia intermedia B. C. Templeton 1968-2-25 11391 Los Angeles Near isthmus, Santa Catalina Island. Comment
  SD52432  Amsinckia intermedia Benjamin C. Stone 1953-3-16 306 B Los Angeles San Jose-Puente Hills, South of Pomona on the Brea Canyon Road 245 Comment
  UC1084564  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-5-1 2244 Los Angeles 2.4 mi w of Saugus ((junction) on road to Castaic Junction, n of road in high weeds and barley next to field) Comment
  RSA725215  Amsinckia tessellata var. tessellata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -36 Los Angeles San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCD117533  Anagallis arvensis P. B. Kennedy 1928-3-30 s.n. Los Angeles White's Landing, Santa Catalina Island. Comment
  RSA621297  Anagallis arvensis Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 465 Comment
  JEPS40583  Ancistrocarphus filagineus W. L. Jepson 1939-4-21 19237 Los Angeles near Yucca Grove; Mohave Desert, Antelope Valley, Neenach School 914 Comment
  SEINET6073400  Andropogon glomeratus Unknown 1949-1 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR123627  Anemopsis californica A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25481 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA503859  Anemopsis californica M. B. Dunkle 1933-5-30 3563 Los Angeles Carbon Canyon. Comment
  RSA92881  Anemopsis californica F. W. Peirson 1919-6-15 503 Los Angeles Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  UCR129829  Angelica tomentosa L. C. Wheeler 1932-7-2 906 Los Angeles San Gabriel Mtns., Brown's Flat 1311 Comment
  CATA1119  Anthemis cotula Mark L. Hoefs 1995-5-23 2084 Los Angeles Santa Catalina Island: Near Middle Canyon Road, just below Eagles Nest Lodge 121 Comment
  RSA656189  Anthriscus caucalis Joseph M. Keefe 1978-4-28 22835 Los Angeles Verdugo Mountains; Henderson Canyon, Mesa Lila Fire Road, 1 Km west of El Lado Road, under Edison Power Line, La Crescenta. 488 Comment
  CHSC110741  Antirrhinum coulterianum Dean Wm. Taylor 2003-5-29 18597 Los Angeles Mill Creek Summit, Angeles Forest Highwy, along Angeles National Forest Road 4N18 ca 0.8 road miles south from Tie Creek Station. 1386 Comment
  SFV4922  Antirrhinum kelloggii M. H. Grayum 1971-6-10 Los Angeles Santa Monica Mountains Just north of Monte Nido along Cold Creek Road. 274 Comment
  JEPS23723  Antirrhinum multiflorum Peter H. Raven and Henry J. Thompson 1959-9-27 14551 Los Angeles 1.0 mi e Newton Canyon (Latigo Canyon Road); Santa Monica Mountains 563 Comment
  RSA660126  Antirrhinum multiflorum Orlando Mistretta 1992-6-12 536 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UC444963  Antirrhinum multiflorum unknown Los Angeles Newhall Comment
  SFV4929  Antirrhinum nuttallianum M. H. Grayum 1971-5-29 Los Angeles Santa Monica Mountains Just north of Malibu Colony along Malibu Canyon Road. 61 Comment
  RSA698989  Antirrhinum speciosum J. Vlahos 1935-6-27 s.n. Los Angeles Santa Catalina [Island] Comment
  SBBG117050  Aphanes occidentalis S. A. Junak with K. Kirkland 2001-4-14 SCa 1444 Los Angeles upper portion of Middle Cyn, just upslope from E side of Middle Cyn Rd, ca. 1.2 mi from jct with Airport Rd 304 Comment
  CATA3395  Aphanisma blitoides Peter J. Dixon 2017-4-28 085 Los Angeles Santa Catalina Island: Little Harbor east of Campground at mouth of drainage 12 Comment
  UCR131365  Aphanisma blitoides Jeremiah George 2001-5-30 3 Los Angeles South Coastal Plains Region, Palos Verdes Peninsula, Rancho Palos Verdes, Ocean Trails development, between Palos Verdes Dr. South and the ocean 91 Comment
  RSA591910  Apiastrum angustifolium L. C. Wheeler 1967-5-2 9270 Los Angeles Liebre Mountains. North side of northwestern most end of foothills (of San Gabriel Mts.) between Bouquet Junction and Bonelli Ranch. 381 Comment
  UC1595426  Apocynum cannabinum Tim Ross 1992-7-10 6656 Los Angeles Big Tujunga Creek between Coldwater and Wickiup Canyons; San Gabriel mts., Big Tujunga Creek 967 Comment
  RSA0126234  Arabis glabra var. glabra Timothy S. Ross 1991-8-16 5822 Los Angeles San Gabriel Mountains, Horse Flats 1720 Comment
  UCR190105  Arabis platysperma R. G. Swinney 1998-8-27 6811 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  RSA586291  Arabis pulchra Orlando Mistretta 1995-2-28 1529 Los Angeles San gabriel Mountains, Carr Canyon. 1037 Comment
  UCR150979  Arabis sparsiflora var. californica L. C. Wheeler 1968-5-24 s.n. Los Angeles Transverse Ranges; San Gabriel Mtns region, San Gabriel Mtns: NW slope of Smith Mountain, along Bear Creek Trail 1220 Comment
  UCR281833  Araujia sericifera Mitch Provance, Scott Duff 2017-6-29 617- 76 Los Angeles Catalina Island, Middle Canyon, SCE corridor along Middle Ranch Rd., N of Thompson Dam at McGee Lake. 180 Comment
  UCR101745  Arbutus menziesii L. C. Wheeler 1969-12-6 s.n. Los Angeles Transverse Range; San Gabriel Mtns., Little Santa Anita Canyon along Mt. Wilson Trail 838 Comment
  RSA598868  Arceuthobium occidentale Steve D. Boyd, Tim S. Ross 1997-3-21 9245 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
  CAS-BOT-BC23866  Arctostaphylos catalinae Robert F. Thorne; P. Everett 1965-5-12 34599 Los Angeles Catalina Island, slopes of Bulrush Canyon. 274 Comment
  CATA679  Arctostaphylos catalinae Mark L. Hoefs 1991-4-23 1170 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  CHSC90067  Arctostaphylos glandulosa D. G. Miller III 2001-5-21 Los Angeles UCLA Student Ranch in the Santa Monica Mts. Comment
  SFV2639  Arctostaphylos glandulosa R. L. Armacost 1963-4-18 1580 Los Angeles Santa Monica Mountains Mandeville Canyon. Comment
  RSA626749  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1982-5-25 7741 Los Angeles La Tuna Canyon Road, south of Hwy 210. Comment
  RSA631216  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley, Melanie Baer Keeley 1992-10-11 21976 Los Angeles Liebre Mountains, 1.5 km east of Bear Campground. 1700 Comment
  POM3408  Arctostaphylos glauca I. M. Johnston 1917-1-28 s.n. Los Angeles Mouth of San Antonio Canyon Comment
  RSA0020391  Arctostaphylos glauca Duncan S. Bell, Caitlin Elam, Evan Meyer 2013-6-13 5156 Los Angeles Sheep Mountain Wilderness; Coldwater Canyon off of Cattle Canyon, on the southwestern flanks of Mount San Antonio. 898 Comment
  RSA631419  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15704 Los Angeles Angeles Forest Highway, 8 km north of Big Tujunga Canyon turnoff. 1300 Comment
  RSA631572  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15649 Los Angeles Angeles Forest Highway, 1.8 km south of Hidden Springs Cafe. 850 Comment
  RSA631619  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15660 Los Angeles Angeles Forest Highway, 2 km north of Big Tujunga Canyon turnoff. 1100 Comment
  RSA631709  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-6-23 15673 Los Angeles Angeles Forest Highway, 3 km north of Big Tujunga Canyon turnoff. 1150 Comment
  UCSB4735  Arctostaphylos glauca Ballard 1955-2-15 Los Angeles Lookout over San Gabriel Peak; San Gabriel Mt. Range 914 Comment
  RSA0046924  Arctostaphylos glauca Michael C. Long, J. E. Long 1974-3-24 s.n. Los Angeles Devil's Punchbowl Co. Park. 1463 Comment
  RSA755982  Arctostaphylos glauca Orlando Mistretta, Christine Mistretta 2008-4-12 2426 Los Angeles Southern California transmission line tower (Segment 6, structure 5 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1096 Comment
  RSA167625  Arctostaphylos glauca var. glauca P. H. Raven, R. F. Thorne 1964-5-7 19020 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mts. Comment
  CAS-BOT-BC46728  Arctostaphylos parryana Carl B. Wolf 1936-5-27 7850 Los Angeles San Gabriel Mts., Aliso Canyon to Buckhorn Flats Rd., Tie Camp summit. 1524 Comment
  UC1137451  Arctostaphylos parryana H. A. Jensen 1933-3-20 274 Los Angeles Sunset Peak Angeles National Forest, Cucamonga Quadrangle Comment
  RSA634692  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20331 Los Angeles Road to Mt. Gleason, 5.3 km west of Mill Creek Summit, San Gabriel Mtns. 1670 Comment
  RSA634747  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-21 20602 Los Angeles Angeles Crest Hwy, northeast of Newcomb Ranch, 2.7 km southwest of Sulphur Springs Rd. San Gabriel Mtns. 1680 Comment
  RSA634811  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20451 Los Angeles Pinyon Flats, N of Sulphur Springs Cpgrd, N of Angeles Crest Hwy, San Gabriel Mtns. 1610 Comment
  RSA634873  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20219 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA635059  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20361 Los Angeles Road to Mt. Gleason, 9 km west of Mill Creek Summit, San Gabriel Mtns. 1730 Comment
  RSA522335  Arctostaphylos patula T. S. Ross 1990-7-10 4027 Los Angeles San Gabriel Mountains: NE of Tie Summit Station and E of Angeles Forest Highway, Tujunga Ranger District. Westerly drainage that meets Tie Canyon. 1524 Comment
  RSA730396  Arctostaphylos patula R. G. Swinney 1998-8-27 6787 Los Angeles ridge due north of Big Horn Ridge and south of San Antonio Ridge hight spor on ridge above Coldwater Canyon. Montane coniferous forest and chaparral on ridge top. 2378 Comment
  PASA1310  Arenaria macradenia Frank W. Peirson 1921-7-1 Los Angeles Aliso Creek at Tie Canyon, San Gabriel Mts. 1356 Comment
  RSA230690  Arenaria macradenia var. arcuifolia R. F. Thorne, M. Z. Thorne 1969-7-10 38428 Los Angeles San Gabriel Mts; Angeles National Forest; 1.5 miles W of Wrightwood 1951 Comment
  UC854928  Argemone munita C. B. Clokey, I. W. Clokey, B. C. Templeton 1930-5-13 4614 Los Angeles Boquet Canyon 600 Comment
  RSA596012  Artemisia californica Timothy S. Ross, J. Mark Porter 1995-5-4 8433 Los Angeles Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road. 555 Comment
  SBBG12856  Artemisia californica E. R. Blakley 1961-9-23 4742 Los Angeles beach bluff between Isthmus Harbor and Fisherman's Cove 6 Comment
  UC1595418  Artemisia californica Tim Ross and Annette H. Ross 1991-7-29 5724 Los Angeles w of Pomona (nw side of Elephant Hill); Puente Hills, Elephant Hill 243 Comment
  UC284781  Artemisia nesiotica P. A. Munz 1923-4-9 6615 Los Angeles San Clemente Island Comment
  RSA757087  Artemisia tridentata R. G. Swinney 2008-10-8 9518 Los Angeles Ball Flat, north of Jackson Lake. 1878 Comment
  LA204638  Arthrocnemum subterminale Jonathan Sauer; T. McKnight 1971-8-14 4975 Los Angeles San Clemente Island, Northwest Harbor Comment
  RSA729685  Arundo donax R. G. Swinney 1999-4-5 7067 Los Angeles lower Boulder Canyon Wash, 0.2 mi. south of Ft. Tejon Rd. (Ave. Y) on 217th St. East. Dry wash on roadside; Joshua tree and juniper woodland. 1183 Comment
  RSA70338  Asclepias californica F. W. Peirson 1923-5-26 3541 Los Angeles Rock Creek Divide 2011 Comment
  SEINET10454946  Asclepias eriocarpa Chester T. Dziekanowski, David B. Dunn; Charlene A. Bennett 1976-7-20 Dziekanowski 2415 Los Angeles Laverne, on Brydon Rd. Near live-oak roadside and chapparal Comment
  CATA3424  Asparagus asparagoides Olivia Reda, Julia Parish, Jamie Choi, Tobias Nickel, Stuart Olshevski 2017-3-31 001 Los Angeles Santa Catalina Island: Middle Ranch reservoir 206 Comment
  LA94120  Aspidotis californica Lawrence L. Kiefer; 1966-3-27 1814 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, ca 3 mi above Sunset Blvd. 274 Comment
  RSA686313  Aspidotis californica L. C. Wheeler 1932-2-11 444 Los Angeles Foothills of San Gabriel Mountains. 2 miles N Thompson Creek Dam 670 Comment
  UCR95756  Aster greatae Lauren Raz, Steve Boyd 1996-10-23 063 Los Angeles Liebre Mtns, Cienega Campground, c. 4 mi. from saddle between Warm Springs and Fish Canyon 670 Comment
  CAS-BOT-BC177527  Astragalus bicristatus I. M. Johnston 1917-8-24 1656 Los Angeles San Antonio Mountains. Prairie Fk of San Gabriel River 1676 Comment
  RSA415428  Astragalus coccineus G. R. Johnstone 1926-4-24 s.n Los Angeles Antelope Valley. Foothills East of Valley. Comment
  CAS-BOT-BC182835  Astragalus douglasii Le Roy Abrams 1901-4-5 1338 Los Angeles Chatsworth Park Comment
  RSA593775  Astragalus gambelianus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8556 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA90175  Astragalus lentiginosus var. variabilis F. W. Peirson 1922-7-7 3194 Los Angeles Ranger's Cabin, Swartout Valley. 1799 Comment
  UCR65193  Astragalus miguelensis P. A. Munz 1923-4-8 6606 Los Angeles Channel Islands, San Clemente Island, NW coast Comment
  RSA674751  Astragalus purshii Scott D. White, Sandy Leatherman 2001-7-25 8728 Los Angeles San Gabriel Mts: Hawthorne Youth Camp. About 6 miles W of Wrightwood, just N of Big Pines Hwy, near Jackson Lake. 1860 Comment
  UCR186571  Astragalus purshii var. tinctus A. C. Sanders 2006-4-25 32195 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  RSA415688  Astragalus purshii var. tinctus Robert Gustafson 1978-6-1 995 Los Angeles Off dirt road leading into Hungry Valley, ca.4 mile west from the junction with the 2-lane paved Peace Valley Rd., west of Gorman. 1250 Comment
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Oct 29 2013
  SEINET10484098  Astragalus trichopodus subsp. leucopsis Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4805 Los Angeles Santa Catalina Island; Catalina Conservancy Land, lower Cape Canyon Reservoir. Along Cape Canyon Trail (Road), .4 miles from junction to Airport Road. 8 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 500 Comment
  CATA373  Astragalus trichopodus var. lonchus Mark L. Hoefs 1974-3-28 426 Los Angeles Santa Catalina Island: Upper Bulrush Canyon 219 Comment
  CAS-BOT-BC194048  Astragalus trichopodus var. lonchus Reid Moran 1941-2-23 604 Los Angeles Northwest of Wilson's Harbor, South Catalina Island Comment
  RSA583115  Astragalus trichopodus var. lonchus L. C. Wheeler 1933-4-27 1658 Los Angeles San Pedro Hills: NW base. 38 Comment
  RSA166665  Astragalus trichopodus var. phoxus W. G. Webb 1935-3-16 s.n. Los Angeles Tujunga Wash 1268 Comment
  RSA415706  Astragalus trichopodus var. phoxus H. C. Ackley 1927-05 s.n Los Angeles Mulholland Drive, Los Angeles. Comment
  RSA708578  Athysanus pusillus Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1164 Los Angeles Ridgetop above McDonald Creek. 427 Comment
  UC465989  Atriplex R. L. Pendleton 1909-7-2 1381 Los Angeles near cottage Santa Catalina Id. (Avalon, Santa Catalina Id); Santa Catalina Id, Avalon 6 Comment
  CAS-BOT-BC334477  Atriplex amnicola R. E. Riefner, Jr. 2013-1-5 13 -9 Los Angeles Los Angeles, Dockweiler State Beach, vicinity Vista Del Mar Blvd. at Imperial Hwy 14 Comment
  UC56786  Atriplex argentea var. mohavensis Ernest Braunton July 1901 Los Angeles Los Angeles Los Angeles (vacant lot) Comment
  RSA187741  Atriplex californica R. F. Thorne 1966-4-5 35837 Los Angeles Santa Catalina Island, along stream in Cottonwood Canyon 107 Comment
  UCD97272  Atriplex californica Daryl Koutnik 1978-4-28 412 Los Angeles Zuma Beach at Point Dume. 45 Comment
  RSA213402  Atriplex californica M. B. Dunkle 1939-4-5 7275 Los Angeles San Clemente Island: China Point, Pyramid Cove. Comment
  RSA0073225  Atriplex canescens Bonnie C. Templeton 1931-5-17 1203 Los Angeles West of Lancaster, Mohave Desert. Comment
  RSA599744  Atriplex canescens subsp. canescens L. C. Wheeler 1967-11-18 s.n. Los Angeles San Gabriel Mountains : Kentucky Springs. 1082 Comment
  RSA659861  Atriplex canescens subsp. canescens Orlando Mistretta 1992-8-17 748 Los Angeles Haines Canyon Trail, Tujunga Ranger District. Comment
  CAS-BOT-BC168281  Atriplex canescens var. canescens Ernest Braunton 1903-9-1 906 Los Angeles Glendale to Burbank Comment
  CAS-BOT-BC168276  Atriplex canescens var. canescens Vernon Bailey 1907-10-20 s.n. Los Angeles San Pasqual Valley Comment
  CAS-BOT-BC170022  Atriplex confertifolia Geo. B. Grant 1901-7-13 s.n. Los Angeles Palmdale Comment
  UCR265469  Atriplex coronata Jordan Zylstra 2015-4-10 15003 Los Angeles Western Antelope Valley, Tejon Ranch, vicinity of Quail Lake, north of SR-138, east of Cement Plant Road 1016 Comment
  LA200971  Atriplex coulteri Carl Wishner; 1998-11-30 3176 1 Los Angeles 75.0 Comment
  SBBG77608  Atriplex lentiformis subsp. breweri E. Z. Rett, P. C. Orr 1945-4-10 Los Angeles San Clemente Island Comment
  RSA235261  Atriplex leucophylla E. R. Blakley 1962-10-5 5428 Los Angeles North of Whites Landing, Santa Catalina Island. 3 Comment
  SBBG29810  Atriplex leucophylla M. R. Benedict 1965-12-7 Los Angeles E end of Parson's Landing 4 Comment
  UC205258  Atriplex leucophylla J. Burtt Davy 1896-10-14 2733 Los Angeles Santa Monica Comment
  RSA188190  Atriplex pacifica R. F. Thorne, P. Everett 1965-6-24 35035 Los Angeles Santa Catalina Island. Lower Cottonwood Canyon 45 Comment
  CATA1527  Atriplex prostrata Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1996-7-10 2748 Los Angeles Santa Catalina Island: Catalina Harbor at the Isthmus 3 Comment
  CLARK-A1528-2502  Atriplex rosea Alfred R. Roos 1948-8-21 Los Angeles Long Beach Comment
  RSA226146  Atriplex rosea R. F. Thorne, C. W. Tilforth 1971-6-17 39908 Los Angeles N slope of San Gabriel Mountains: near junction of Bee Canyon with Santa Clara River valley, 1.3 mi. E of junction of Antelope Valley Freeway with Soledad Canyon Road along latter. 549 Comment
  RSA478383  Atriplex rosea F. R. Fosberg 1930-7-7 S- 3156 -a Los Angeles Alamitos Bay 2 Comment
  POM155783  Atriplex semibaccata M. B. Dunkle 1928-10-7 2000 Los Angeles Middle Ranch, Santa Catalina Island. 152 Comment
  SBBG19126  Atriplex semibaccata M. A. Piehl 1963-12-7 631059 Los Angeles near shore opposite Pyramid Head 9 Comment
  RSA453955  Atriplex semibaccata E. A. Purer, Freda Detmers 1931-3-25 s.n. Los Angeles Palos Verde Hills. Comment
  RSA65345  Atriplex serenana F. W. Peirson 1923-10-7 4162 Los Angeles Bouquet Canyon, where Los Angeles Aqueduct crosses Santa Clara River. Comment
  CATA1745  Atriplex suberecta Mark L. Hoefs, Steven A. Junak, Ralph Philbrick 2001-5-18 3173 Los Angeles Santa Catalina Island: Near road between Cottonwood Canyon and Black Jack Campground 225 Comment
  RSA151504  Avena barbata P. H. Raven 1962-4-9 17132 Los Angeles Wilson Cove, San Clemente Island 61 Comment
  UCR198397  Avena barbata Valerie Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 756 Los Angeles Transverse Ranges; Verdugo Mountains, south side, above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Motorway 488 Comment
  UCR258746  Avena barbata R. G. Swinney 2010-2-27 11775 Los Angeles San Gabriel Mountains/ Verdugo Mountains, Hansen Dam Flood Control Basin, from east end of Orcas Park to 0.5 mi. east, and from the I-210 Fwy south to Big Tujunga Wash 331 Comment
  LA11010  Avena fatua W. S. L.; 1907-3-25 482 Los Angeles Garvanza Comment
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Jan 11 2015
  SD31201  Avena fatua Edith A. Purer 1931-3-12 Los Angeles fields in Palos Verdes Hills Comment
  UCR186899  Avena fatua A. C. Sanders, T. B. Salvato, Michael Honer, et al 2006-4-11 32045 Los Angeles Tehachapi Mtns. Foothills, west end of Antelope Valley, north of Hwy 138 near mouth of Tentrock Canyon, c. 1 mile NW of La Liebre Ranch (High Desert Hunt Club) buildings 945 Comment
  RSA709378  Azolla filiculoides A. C. Sanders 2003-8-6 27137 Los Angeles Newhall Ranch, Potrero Canyon, bottom of valley above old ranch headquarters 320 Comment
  UCR209966  Azolla filiculoides R. G. Swinney 2008-9-9 9335 Los Angeles San Gabriel Mtns., Little Rock Creek, 0.2 mi. north of Little Rock Reservoir 960 Comment
  SEINET175074 Image available Azolla mexicana M. E. Jones 1882-3-7 3043 Los Angeles Pasadena Comment
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May 1 2015
  CATA1765  Baccharis glutinosa Benjamin E. Carter, John Clark & Elizabeth Baniaga 2012-7-24 6898 Los Angeles Santa Catalina Island: Toyon Bay. Upper border of developed area with buildings. Grassy understory dominated by Piptatherum milliaceum 24 Comment
  RSA649816  Baccharis glutinosa Matt Brooks 1988-4-15 2 Los Angeles Whittier, Turnbull Canyon Rd. 1.0 miles east of its intersection with Beverly Blvd. Comment
  POM350446  Baccharis plummerae Wm. Martin 1971-8-25 76 H371B Los Angeles Trancas Canyon area, Santa Monica Mountains. Comment
  POM305331  Baccharis salicifolia Henry J. Ramsey, Henry J. Ramsey 1937-3-22 623 Los Angeles Santa Susana Pass 293 Comment
  RSA101668  Baccharis salicifolia G. R. Proctor 1944-02 779 Los Angeles Sepulveda Canyon Comment
  RSA590936  Baccharis salicifolia Orlando Mistretta 1994-4-12 1027 Los Angeles Little Rock Creek: Slopes E of Little Rock Reservoir 976 Comment
  UCR209304  Baccharis salicifolia A. C. Sanders 2009-11-6 37226 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA93168  Baccharis salicifolia F. W. Peirson 1918-10-16 283 Los Angeles foot of Echo Mountain Trail 549 Comment
  SEINET7239587 Image available Baccharis salicifolia I. W. Clokey, B. C. Templeton 1930-3-11 4604 Los Angeles Los Angeles, Beverly Boulevard Comment
  UC1118900  Baccharis salicifolia subsp. salicifolia F. H. Raymond 1930-3-3 55 Los Angeles San Rafael Mountains Pasadena Quadrangle, San Rafael Mountains 243 Comment
  JEPS47702  Berberis aquifolium var. dictyota Frank W. Peirson 1918-6-1 54 Los Angeles Eaton Canyon; San Gabriel Mts 609 Comment
  UC398723  Berberis nevinii Carl B. Wolf 1927-7-27 682 Los Angeles ca 1/2 mi s San Fernando Comment
  UCR240006  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  CAS-BOT-BC102042  Bidens laevis C. F. B. 1903-10-1 3727 Los Angeles Pomona Comment
  UCR229504  Bituminaria bituminosa Dan S. Cooper 2010-3-23 20100323- 06 B Los Angeles Western Transverse Range, eastern Santa Monica Mtns., Griffith Park, north end of Commonwealth Ave., near entrance to nursery 265 Comment
  CATA472  Bloomeria crocea Sara L. Crockett, Steve Junak, Mark Hoefs, Janet Takara 1997-3-28 614 Los Angeles Santa Catalina Island: 1.1 miles S of Two Harbors on Cat Harbor Road; ca. 30 m upslope 30 Comment
  SBBG108148  Bloomeria crocea S. L. Crockett, S. A. Junak, M. L. Hoefs, J. Takara 1997-3-28 614 Los Angeles 1.1 mi S of Two Harbors on Cat Harbor Rd 30 Comment
  UCR192923  Bloomeria crocea Dan S. Cooper 2008-5-4 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Griffith Park, Western Canyon Road beyond end of Green Oak Dr., Los Angeles 260 Comment
  UC1375444  Bloomeria crocea Gary D. Cromwell and David W. Wheat 1971-5-14 631 Los Angeles Mystic Canyon San Gabriel Mts., Angeles National Forest (se-facing slope w of canyon mouth, 2 mi ne of Glendora) 411 Comment
  SEINET197968  Bloomeria crocea var. aurea G. B. Grant 1901-5-1 114 Los Angeles Garvanza, Cal. Comment
  CAS-BOT-BC482052  Bloomeria crocea var. crocea Le Roy Abrams 1899-4-1 252 Los Angeles Inglewood Comment
  POM307358  Boechera californica Henry J. Ramsey 1937-3-21 2181 Los Angeles North Craig Ave., Altadena. Comment
  UCD170976  Boechera repanda R. G. Swinney 1998-7-14 6444 Los Angeles San Gabriel Mtns., Pine Mountain Ridge, 0.2-0.3 mi. west of Camp Lupine trail. 2247 Comment
  UCR190048  Boschniakia strobilacea R. G. Swinney 1998-8-27 6812 Los Angeles San Gabriel Mtns., gentle slope between Big Horn Ridge and ridge immediately north 2646 Comment
  SBBG131661  Bowlesia incana S. A. Junak 1999-5-20 SCa 945 Los Angeles just S of Cottonwood-Black Jack Rd 304 Comment
  UCR125396  Bowlesia incana A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-5 25720 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, canyon NE of 'Grapevine Mesa,' SE of confluence of Castaic Creek and Santa Clara River, SSW of large trailer park on Hwy 126, west of 'oil tanks' near BM 1073 Comment
  CHSC88886  Boykinia rotundifolia G. Blosser 2004-6-17 6 Los Angeles San Gabriel Mountains: Sheep Mountain Wilderness within Angeles National Forest. Within a tributary of Cow Canyon drainage located 200 meters south of Canyon Truck Trail. 1290 Comment
  RSA702175  Boykinia rotundifolia Scott D. White 2004-7-28 10660 Los Angeles San Gabriel Mountains: Clear Creek area. In and around The Pines picnic area, immediately S of Angeles Forest Hwy, ca. 0.5 mi W of jtn. with Angeles Crest Hwy. 976 Comment
  POM306648  Boykinia rotundifolia H. J. Ramsey, Henry J. Ramsey 1937-9-2 1507 Los Angeles Johnny Glen, Angeles Crest Highway. Comment
  RSA0036766  Brassica geniculata Michelle Cleveland 1981-2-14 17 Los Angeles Hwy 10 East, exit on Etiwanda, head North, take next Right, stop at agriculturely maintained field next to Etiwanda and adjacent the Hwy. Comment
  UCR219441  Brassica geniculata R. G. Swinney 2009-3-26 10175 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River at El Encanto Azusa River Wilderness Park 296 Comment
  UCR223522  Brassica geniculata R. G. Swinney 2009-6-17 11226 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  LA51495  Brassica rapa D. Dunn; 1941-3-11 Los Angeles San Gabriel Mountains, Foothills, N of Santa Monica Comment
  UCR210011  Brickellia californica R. G. Swinney 2008-10-7 9465 Los Angeles San Gabriel Mtns., Big John Flats, north of Ball Flats, south base of Big John Peak 1671 Comment
  RSA127930  Brickellia californica Peter H. Raven, A. Thompson 1958-10-11 13765 Los Angeles 4.2 mi. E of top of Saddle Peak on Piuma Road 640 Comment
  CAS-BOT-BC106146  Brickellia nevinii Louis A. Grenta 1901-5-1 s.n. Los Angeles Santa Monica Range Comment
  RSA600582  Brickellia nevinii Steve Boyd, Lauren Raz 1997-4-30 9599 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
  RSA251546  Brodiaea kinkiensis Robert F. Thorne 1973-4-11 42814 Los Angeles San Clemente Island: plateau W of upper part of Norton Canyon. 396 Comment
  UCR190093  Bromus R. G. Swinney 1998-7-30 6585 Los Angeles San Gabriel Mtns., tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle on Glendora Ridge Rd. 1338 Comment
  RSA595656  Bromus carinatus Timothy S. Ross, Victor W. Steinmann 1995-5-8 8551 Los Angeles Slopes between Leona Valley and Lost Valley. 1098 Comment
  UCR142720  Bromus carinatus Edith A. Purer, Freda Detmers 1931-4-28 s.n. Los Angeles Palos Verdes Hills 457 Comment
  LA200935  Bromus carinatus var. carinatus Peter H. Raven; 1960-5-15 15355 Los Angeles Santa Monica Mountains1, Piuma Road 2.1 mi. E of Rambla Pacifica 487 Comment
  RSA762160  Bromus carinatus var. carinatus Orlando Mistretta, Christine Mistretta 2008-5-20 3163 Los Angeles Transverse Ranges; San Gabriel Mountains region: Southern California Edison transmission line corridor (Segment 6, structure 97and 98 per TRTP Survey 2008), Rincon Red Box Rd, NE ridge of Monrovia Pk., Separating W Fork San Gabriel River and Fish Canyon. 1473 Comment
  POM364004  Bromus catharticus Ida Lou Sayler 1942-4-14 s.n. Los Angeles San Marino. Comment
  RSA611602  Bromus catharticus L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  CAS-BOT-BC156117  Bromus diandrus Marcus E. Jones 1926-4-26 s.n. Los Angeles Malibu Hills. Comment
  CATA638  Bromus diandrus Mark L. Hoefs 1991-4-16 1103 Los Angeles Santa Catalina Island: Renton Mine Road 249 Comment
  CATA739  Bromus diandrus Mark L. Hoefs 1991-5-22 1264 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  CATA75  Bromus diandrus Peter Henrikson 1987-4-13 57 Los Angeles Santa Catalina Island: Hermit Gulch 121 Comment
  RSA675933  Bromus diandrus LeRoy Gross 2003-3-9 793 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SBBG95212  Bromus diandrus M. B. Dunkle 1928-3-31 1787 Los Angeles Cottonwood Cyn Comment
  UCSB355  Bromus diandrus Albright, S. 1957-5-20 Los Angeles UCLA Campus, Faculty Hill 91 Comment
  RSA191114  Bromus grandis R. F. Thorne, M. Z. Thorne 1967-6-25 37073 Los Angeles Along fire-road between Cobal and Evey Canyons 732 Comment
  SEINET10841967  Bromus hallii Victor Duran 1933-7-20 Duran 3521 Los Angeles Buckhorn, San Gabriel Mts. Shaded places in the forest. Not plentiful. 1981 Comment
  POM11263  Bromus hordeaceus F. L. Robinson 1921-05 51 Los Angeles Claremont. 366 Comment
  RSA594998  Bromus hordeaceus Mark Hoefs, R. F. Thorne 1992-4-1 1734 Los Angeles Santa Catalina Island: past isthmus, just before Emerald Bay. 15 Comment
  RSA748579  Bromus hordeaceus Scott D. White, Justin M. Wood 2009-5-6 12637 Los Angeles San Gabriel River- West fork between Bear Creek and Cogswell Dam. 549 Comment
  POM364030  Bromus hordeaceus subsp. molliformis C. Epling 1931-04 s.nn. Los Angeles Santa Monica Mountains. Los Alisos Canyon. Comment
  CDA1846  Bromus madritensis subsp. madritensis L. C. Wheeler 1973-5-6 s.n. Los Angeles San Gabriel Mountains; near the mouth, east side little Tujunga. Near BM. 1227. Comment
  CATA672  Bromus madritensis subsp. rubens Mark L. Hoefs 1991-4-23 1161 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  SBBG128783  Bromus madritensis subsp. rubens M. L. Hoefs, D. R. Hoefs, H. Greene 1992-4-15 1783 Los Angeles N of Rd between Emerald Bay and Parsons Landing 121 Comment
  UCSB69294  Bromus madritensis subsp. rubens Gross, LeRoy 2005-4-28 Los Angeles Transverse Ranges; San Gabriel Mtns; ridgeline to Mt. Emma and canyon S of this ridge; W from Mt Emma; E of Mt. Emma Rd. 1412 Comment
  RSA638865  Bromus pseudolaevipes Valerie L. Soza, Laura Moore 1999-6-30 593 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail. 854 Comment
  PASA650  Bromus rigidus Sally Ellis 1940-3-25 Los Angeles Claremont Comment
  RSA158203  Bromus rubens P. H. Raven 1962-5-9 17698 Los Angeles Floor of canyon just north of Gray, San Clemente Island 305 Comment
  CAS-BOT-BC161407  Bromus tectorum A. D. E. Elmer 1902-7-1 s.n. Los Angeles Acton. Comment
  RSA0036299  Bromus tectorum LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6977 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
  RSA466531  Calandrinia ciliata L. C. Wheeler 1932-3-20 510 Los Angeles Head Mandeville Canyon. 457 Comment
  POM16377  Calandrinia ciliata E. S. Spalding 1923-3-16 s.n. Los Angeles Near Occidental College Comment
  SD107923  Calandrinia maritima Larry DeBuhr 1977-4-16 2566 Los Angeles Santa Catalina Island; coastal bluffs around Little and Shark Harbours Comment
  CATA3017  Calandrinia menziesii Amy Catalano 2016-2-26 023 Los Angeles Santa Catalina Island: Above northwestern end of Empire Quarry 148 Comment
  LA201600  Calochortus catalinae Arthur C. Gibson; 2001-4-20 4262 Los Angeles SANTA MONICA MOUNTAINS, Mountclef Ridge, Wildwood Regional Park, Thousand Oaks, Santa Rosa Trail. Comment
  POM147607  Calochortus catalinae Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  RSA591985  Calochortus catalinae Mark Hoefs, Doug Propst 1973-4-6 175 Los Angeles Santa Catalina Island: upper Cape Canyon 305 Comment
  LA82370  Calochortus clavatus O. H. Kappler; 1940-5-31 37 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  RSA680328  Calochortus clavatus Scott D. White, Michael Honer, Dylan Hannon 2003-6-25 9607 Los Angeles Tapia Canyon area, ca. 2 - 3 air miles west of I-5 jtn. w/ Ridge Rt. Rd. 396 Comment
  SBBG132181  Calochortus clavatus A. Parikh, N. Gale 2014-5-8 808 Los Angeles N of Santa Clara River, 1.3 km S of intersection of Hasley Cyn Rd and Del Valle Rd 392 Comment
  UCR154356  Calochortus clavatus A. C. Sanders 2005-5-5 29907 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road at NE end of mesa 640 Comment
  UCR155140  Calochortus clavatus A. C. Sanders 2005-5-5 29943 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  RSA702610  Calochortus invenustus Tim Thibault, Bryan Tutt, Dolores Gault 2004-6-18 317 Los Angeles Mt. Williamson 2090 Comment
  SBBG124397  Calochortus plummerae A. Parikh, N. Gale 2010-6-19 3350 Los Angeles Upper Big Tujunga Cyn, 0.7 km WNW of Shortcut Station, 0.7 km N of St Hwy 2, San Gabriel Mtns 1273 Comment
  RSA0120931  Calochortus plummerae Enoc Zuniga 2017-6-5 s.n. Los Angeles Bell Canyon: found at top of mountain in private land. Approx. 600 ft east of County line and 1/2 mile north of Bell Canyon. 480 Comment
  JEPS108273  Calochortus striatus David Gowen 2005-5-11 310 Los Angeles HWY 138 (West Ave. D) west of Lancaster. NE corner of intersection with 40th Street W. Comment
  RSA71107  Calystegia macrostegia subsp. amplissima F. W. Peirson 1923-4-9 3483 Los Angeles San Clemente Island: 2 miles SE of Wilson's Cove Comment
  RSA394871  Calystegia macrostegia subsp. intermedia Edwin Kline 1926-5-31 s.n. Los Angeles Coast Range, Los Angeles. Comment
  SD225759  Calystegia macrostegia subsp. intermedia R. K. Brummitt 1998-5-24 20019 Los Angeles San Gabriel Mts., San Gabriel Canyon between two dams 399 Comment
  UC1922228  Calystegia macrostegia subsp. intermedia Valerie L. Soza, Laura Moore 2000-5-10 856 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, north side: Verdugo Crestline Dr., N of La Tuna Canyon and S of Pasko Park. Fire road south of Verdugo Crestline Dr. from fire gate to powerlines to peak ''1936''. Near 34deg 14' 28.7'' N 118deg 17' 59.5'' W T2N R14W NE/4, SW/4 & NW/4, Comment
  RSA732856  Camissonia boothii R. G. Swinney 2001-5-17 7949 Los Angeles Valyermo area, south end of Bobs Gap, west-facing slope at junction of Panorama and Bobs Gap roads. 1244 Comment
  UCR127365  Camissonia boothii subsp. decorticans Mark A. Elvin 2003-4-9 2471 Los Angeles Santa Clarita Valley, Newhall Ranch Commerce Center, canyon north of SR 126 from 'Grapevine Mesa 335 Comment
  VVC2931  Camissonia boothii subsp. desertorum Tim Thomas 2014-5-4 6302 Los Angeles Mojave Desert, North Lancaster; 0.3 mi NE of Sierra Hwy & W Ave H intersection 713 Comment
  RSA134493  Camissonia californica Venkatesh 1957-4-11 1 Los Angeles Soledad Canyon. Comment
  UC147162  Camissonia campestris subsp. campestris H. M. Hall June, 1899 Los Angeles Swarthout Canyon San Antionio Mountains 2042 Comment
  RSA454048  Camissonia cheiranthifolia subsp. suffruticosa L. E. Hoffman 1931-7-18 s.n. Los Angeles Hermosa Beach. Comment
  RSA746948  Camissonia confusa R. G. Swinney 2008-5-2 8725 Los Angeles Big Rock Creek at Paradise Springs, north of Big Rock Creek Rd. on campground property 1439 Comment
  RSA611651  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10082 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UCR247274  Camissonia hirtella Dan S. Cooper 2013-8-8 813- 41 Los Angeles Griffith Park, edge of Los Angeles Zoo near Zoo Dr. and Crystal Springs Dr. 143 Comment
  RSA577281  Camissonia intermedia Orlando Mistretta 1994-7-20 1441 Los Angeles Big Rock Creek. South Fork Campground. 1402 Comment
  RSA191127  Camissonia micrantha Robert F. Thorne, M. Z. Thorne 1967-6-25 37093 Los Angeles Along fire-road between Cobal and Evey Canyons. 732 Comment
  RSA652355  Camissonia micrantha Max E. Badgley 1948-5-9 s.n. Los Angeles Found along San Dimas Canyon Rd. 5 mi. N/E San Dimas, East of San Dimas Park. 244 Comment
  UCR193471  Camissonia pallida R. G. Swinney 1999-4-5 7041 Los Angeles San Gabriel Mtns./Mojave Desert, lower Boulder Canyon Wash, 1.4 mi. south of Ft. Tejon Rd. on 213th St. East 1268 Comment
  RSA596169  Camissonia pallida subsp. pallida Louis C. Wheeler 1967-5-12 9441 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  UC107678  Camissoniopsis bistorta T. S. Brandegee May 1889 Los Angeles San Pedro Comment
  UC1122294  Camissoniopsis bistorta Jerome S. Horton 1939-5-24 543 Los Angeles Tanbark Flats Pomona Quadrangle Comment
  UC873863  Camissoniopsis bistorta I. W. Clokey and B. C. Templeton 1930-4-8 4693 Los Angeles San Francisquito Canyon 700 Comment
  UCR166276  Camissoniopsis bistorta Scott D. White 1996-3-18 3839 Los Angeles Marina del Rey area, Ballona Creek, floodplain and adjacent N-facing slope, west of Lincoln Blvd. and south of Jefferson Blvd. 30 Comment
  CAS-BOT-BC160442  Camissoniopsis cheiranthifolia subsp. suffruticosa John H. Thomas 1957-4-27 6679 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica 60 Comment
  SDSU3346  Camissoniopsis cheiranthifolia subsp. suffruticosa H. Wedberg 1958-5-1 576 Los Angeles Near the east end of Killgore Street, on the sand dunes, Playa del Rey. 50 Comment
  SBBG61466  Camissoniopsis hirtella R. Hoffmann 1929-5-21 Los Angeles hills above Elizabeth Lake Comment
  LA91498  Camissoniopsis intermedia Bruce Douglas Clayton; Greg Shaw 1972-4-15 98 Los Angeles Santa Monica Mountains, Temescal Canyon, Mountain Park Research Campus, firebreak, west slope of BDC peak 586 Comment
  UCR214617  Capsella bursa-pastoris A. C. Sanders, Dan S. Cooper 2010-3-12 37358 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET10851795  Capsicum annuum Heidi H. Schmidt, M. R. Weed 1999-1 Los Angeles Comment
  CAS-BOT-BC37897  Cardamine oligosperma Jerome S. Horton 1941-4-4 589 Los Angeles Angeles Forest. San Dimas Canyon on trail to flumes 4 and 5. 609 Comment
  RSA719506  Carduus pycnocephalus Gary Kovnat, LeRoy Gross 2004-4-25 52 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  RSA729194  Carduus pycnocephalus R. G. Swinney 1999-5-15 7160 Los Angeles San Gabriel Mtns.: Wolfskill Falls in upper Wolfskill Canyon, above LaVerne and San Dimas Experimental Forest. 610 Comment
  UCR220190  Carduus pycnocephalus R. G. Swinney 2009-4-7 10298 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills and S.G. Valley, Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  SEINET10644376  Carex Gost 1925-2-28 GOST 6284 Los Angeles Comment
  CAS-BOT-BC17661  Carex alma Robert F. Thorne; C. W. Tilforth 1971-6-30 40836 Los Angeles Angeles National Forest. San Gabriel Mountains. 3.3 miles below Alder Saddle along and above S Fork of Little Rock Creek 1432 Comment
  CAS-BOT-BC17675  Carex alma Fay A. Mac Fadden 1933-6-1 11008 Los Angeles La Tuna Canyon, beyond Belmont Country Club. Comment
  RSA0033681  Carex alma Duncan S. Bell, Sarah Fisher, Carrie Kiel 2013-7-23 5436 Los Angeles Sheep Mountain Wilderness; Vincent Gulch, near head of canyon. 1994 Comment
  RSA760699  Carex alma R. G. Swinney 2008-8-14 9435 Los Angeles South Fork Big Rock Creek at South Fork Campground Spring 1402 Comment
  RSA774838  Carex alma R. G. Swinney 2009-6-12 11136 Los Angeles Shoemaker Canyon Rd., at Blind Deer Spring in first canyon north of Shoemaker Canyon, a tributary of East Fork San Gabriel River 652 Comment
  RSA776848  Carex alma Orlando Mistretta, Christine Mistretta 2010-6-15 5306 Los Angeles Transverse Ranges; San Gabriel Mountains region: Upper Big Tujunga Canyon; Lynx Gulch. Along Lynx Gulch Road, 0.68 road miles N of junction with Upper Big Tujunga Canyon Road. 1045 Comment
  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
  UCR147800  Carex bolanderi Valerie Soza, LeRoy Gross 2000-6-13 996 Los Angeles San Gabriel Mountains, Spring along Burkhart Trail (FS trail 10W02), from Buckhorn Flat to Cooper Canyon, c. 0.8 mi along trail from Buckhorn Flat trailhead 1845 Comment
  CAS-BOT-BC20595  Carex douglasii R. F. Thorne; M. Z. Thorne 1969-7-9 38548 Los Angeles Angeles National Forest. San Gabriel Moutains. Summit of Table Mountain above Big Pines Ranger Station. 2133 Comment
  SEINET7587557 Image available Carex heteroneura Louis C. Wheeler 1968-6-1 s.n. Los Angeles San Gabriel Mtns, Dorr Canyon at Angeles Crest Hwy by Whitehorn picnic area. 2347 Comment
  RSA286785  Carex heteroneura var. heteroneura Robert F. Thorne 1974-6-28 44750 Los Angeles ANGELES NATIONAL FOREST: Lily Springs area on N slope of Mt. Hawkins, drainage of S Fork Big rock Creek 2439 Comment
  SEINET10647592  Carex hookeriana Hermann E. Hasse Hasse s.n. Los Angeles Brackish flats. Comment
  CAS-BOT-BC117936  Carex schottii H. E. Hasse 1889-5-1 s.n. Los Angeles Marsh at Cienega. Comment
  RSA230187  Carex schottii Robert F. Thorne 1969-7-2 38346 Los Angeles San Gabriel Mountains, Angeles National Forest: wet, sloping meadow at Big Pines 2088 Comment
  SEINET8989734 Image available Carex specifica Unknown 2006-1 8680 Los Angeles San Gabriel Mountains. Near Angeles Crest Hwy, 0.5 km west of Big Pines and Big Pines Hwy. Mescal Creek 7.5' quad. Comment
  SEINET7575826  Carex spissa Louis C. Wheeler 1975-1 Los Angeles Comment
  CATA3048  Carex triquetra Amy Catalano 2016-3-25 060 Los Angeles Santa Catalina Island: North-facing slope above Fern Canyon, about 0.5 miles up canyon, mid-slope 213 Comment
  CAS-BOT-BC115637  Carex triquetra Peter H. Raven 1960-5-21 15393 Los Angeles Clump in burned chaparral along road to Saddle Peak 2.1 mi from Ferndale. 502 Comment
  CAS-BOT-BC115641  Carex triquetra P. B. Kennedy 1928-3-29 s.n. Los Angeles Summit of ridge, Santa Catalina Island. Comment
  RSA167808  Castilleja affinis Robert F. Thorne 1964-2-6 33307 Los Angeles W of Isthmus Cove, Santa Catalina Island 30 Comment
  RSA400511  Castilleja angustifolia N. C. Cooper 1948-4-21 2667 Los Angeles Little Rock. 762 Comment
  UCR150580  Castilleja applegatei subsp. martini L. C. Wheeler 1967-9-4 10652 Los Angeles Transverse Ranges; San Gabriel Mtns, Pine Mountain Ridge 2241 Comment
  UCR205278  Castilleja applegatei subsp. martini Valerie Soza, Sarah J. De Groot 2003-6-11 1658 Los Angeles San Gabriel Mountains, Prairie Fork, southeast of Cabin Flat 1799 Comment
  RSA660186  Castilleja applegatei subsp. martinii Orlando Mistretta 1992-7-9 652 Los Angeles Transverse Ranges; San Gabriel Mountains region: Colby Creek Canyon Trail. Tujunga Ranger District. Comment
  RSA708685  Castilleja applegatei subsp. martinii Valerie L. Soza, Miriam Sidibeh 2003-3-26 1606 Los Angeles North side of La Tuna Canyon, eastern end of Verdugo Crestline Drive. 625 Comment
  POM305935  Castilleja applegatei subsp. martinii Henry J. Ramsey, Henry J. Ramsey 1938-5-1 1213 Los Angeles Altadena, Eaton Canyon Park Comment
  RSA561603  Castilleja applegatei subsp. martinii Steve D. Boyd, Orlando Mistretta 1993-6-3 8172 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
  RSA586815  Castilleja applegatei subsp. martinii Orlando Mistretta, Steve D. Boyd 1994-6-21 1382 Los Angeles San Gabriel Mountains, Santiago canyon, drainage northwest of Pacifico Mountain. 1646 Comment
  RSA400573  Castilleja foliolosa Grace Shaffer 1915-4-23 s.n. Los Angeles San Fernando Valley. Comment
  SBBG17967  Castilleja foliolosa E. R. Blakley 1963-4-9 5561 Los Angeles Pebbly Beach, S of Avalon 15 Comment
  UC885190  Castilleja foliolosa I. W. Clokey and E. G. Anderson 1931-3-11 5349 Los Angeles San Gabriel Canyon 900 Comment
  SD66851  Castilleja foliolosa R. Mitchell Beauchamp 1967-3-20 349 Los Angeles Edge of cliff above Abalone Point, south of Avalon, Santa Catalina Island Comment
  RSA505070  Castilleja gleasoni Orlando Mistretta 1987-6-25 s.n. Los Angeles Angeles National Fprest, San Gabriel Mountains; North slope of Messenger Peak. Comment
  SD84804  Castilleja grisea M. B. Dunkle 1939-4-2 7201 Los Angeles Common on lower slope bluffs; southeast corner of San Clemente Island. Comment
  SEINET4095939  Castilleja grisea M. B. Dunkle 1939-1 Los Angeles Comment
  UCR189728  Castilleja miniata R. G. Swinney 1998-7-21 6479 Los Angeles San Gabriel Mtns., upper Fish Fork drainage, south-facing slope of Pine Mountain Ridge, 2.1 miles SW of Fish Fork Trail and Pine Mtn. Ridge 2085 Comment
  UCR191300  Castilleja miniata R. G. Swinney 1998-7-6 6271 Los Angeles San Gabriel Mtns., near mouth of Mescal Canyon, 2.7 miles north of junction of Hwy 2 and Mescal Canyon Rd. 1488 Comment
  RSA448778  Castilleja minor subsp. spiralis Elbert Benjamine 1929-5-29 179 Los Angeles San Dimas canyon. San Gabriel Mountains. Comment
  RSA656840  Castilleja plagiotoma Valerie L. Soza, Leland Lubinsky 2000-6-23 1025 Los Angeles San Gabriel Mountains: South Fork Little Rock Creek, SW Pinyon Flats, NE Alder Saddle. 1646 Comment
  SBBG126935  Castilleja subinclusa subsp. subinclusa A. Parikh, N. Gale 2011-6-4 3413 Los Angeles 5.5 km W of St Hwy 14, 2 km SW of California Aqueduct; Sierra Pelona, Liebre Mtns 1123 Comment
  UCR98800  Castilleja subinclusa subsp. subinclusa Steve Boyd, T. S. Ross 1997-3-21 9229 Los Angeles Liebre Mtns., Portal Ridge, upper Broad Canyon, c. 1 mi east of VABM King and 1.2 mi east of the jct of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1195 Comment
  CAS-BOT-BC38148  Caulanthus amplexicaulis B. Miller; W. Griesel 1963-7-2 s.n. Los Angeles Road between Liebre and Sawmill Mountains. 1463 Comment
  LA51322  Caulanthus coulteri Carl Epling; May 1927 sn Los Angeles Tehachapi Mountains Comment
  CATA2940  Caulanthus lasiophyllus Sarah Ratay 2010-4-6 117 Los Angeles Santa Catalina Island: Camp Cactus, on little ridge with previous Dissanthelium population, Oak Releve 158 Comment
  SEINET3860006  Caulanthus lasiophyllus R. G. Swinney 2009-4-21 10398 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge.; 0 192 Comment
  CAS-BOT-BC40220  Caulanthus lasiophyllus J. Ewan 1930-5-3 2354 Los Angeles Santa Monica Mountains. Near summit, Mount Hollywood. 505 Comment
  SEINET7040197  Caulanthus lasiophyllus A. G. Vestal 1962-3-30 s.n. Los Angeles Yacca stand, Antelope Valley, south of Willow Springs. Little Buttes Quadrangle UTM Zone 11, 377584mE, 3848202mN. Comment
  RSA596426  Caulanthus major Timothy S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3361 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  CAS-BOT-BC47912  Ceanothus arboreus D. O. Burge; S. Ratay 2007-3-24 810 b Los Angeles Santa Catalina Island, 8.1 road miles (12.9 km) from Catalina Convervacy access gate near Avalon via Airport Road 500 Comment
  POM49337  Ceanothus arboreus L. W. Nuttall 1920-6-1 s.n. Los Angeles Santa Catalina Island Comment
  SBBG95415  Ceanothus arboreus M. B. Dunkle 1928-3-11 1731 Los Angeles Grand Cyn Comment
  UC625068  Ceanothus arboreus F. R. Fosberg 1931-4-2 S 4448 Los Angeles divide between Hamilton and Descanso Canyons Santa Catalina Island 230 Comment
  LA83279  Ceanothus cordulatus O. H. Kappler; 1946-5-30 1195 Los Angeles San Gabriel Mountains, Los Angeles County Park, Wrightwood 2042 Comment
  UC1070993  Ceanothus cordulatus H. A. Jensen 1933-3-24 276 Los Angeles Mount Islip Rock Creek quad, Angeles National Forest 2438 Comment
  SEINET4044018  Ceanothus crassifolius R. Gustafson 1977-1 sn Los Angeles Tapia Park, Malibu Canyon, Santa Monica Mountains. Comment
  UCR4117  Ceanothus crassifolius Ronald M. Cope 1965-3-27 s.n. Los Angeles San Gabriel Mtns., road from Devil's Canyon Wild Area to Azusa, 8-12 mi north of where the road crosses the west fork of the San Gabriel River 762 Comment
  RSA616374  Ceanothus crassifolius var. planus Scott D. White 1998-4-20 6313 Los Angeles Soledad Canyon area; proposed quarry area N of Soledad Canyon. Road, S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 579 Comment
  CAS-BOT-BC49261  Ceanothus cuneatus P. A. Munz 1920-3-10 3334 Los Angeles Claremont Comment
  RSA399024  Ceanothus cuneatus var. cuneatus A. Menke 1955-4-16 s.n. Los Angeles Pine Canyon near Hidden Lake. Comment
  RSA598102  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-4 9150 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road. 610 Comment
  RSA774861  Ceanothus integerrimus R. G. Swinney 2009-6-24 11251 Los Angeles summit of Granite Mountain 1988 Comment
  CAS-BOT-BC50557  Ceanothus leucodermis George B. Grant; Walter Wheeler 1904-5-17 145 a Los Angeles Mt. Wilson 1828 Comment
  HSC101357  Ceanothus leucodermis R. G. Swinney 2009-4-16 10351 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Duarte, lower Van Tassel Canyon, 0.3 to 0.6 miles NW (upstream) of confluence with San Gabriel River 280 Comment
  RSA679288  Ceanothus leucodermis Mark A. Elvin, Anne Marie Ruff 1996-8-1 302 Los Angeles San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. 4.2 mi from gate. Both sides of road. Comment
  RSA679916  Ceanothus leucodermis LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 925 Los Angeles Southwest ridge that climbs to Mt. Markham (between Mt. Markham and the Mt. Lowe dirt road (2N50.1) 1677 Comment
  RSA724570  Ceanothus leucodermis K. Dobry 1991-4-22 461 Los Angeles West San Gabriel Mts. along Sand Cyn to Whitney Cyn Comment
  RSA399713  Ceanothus megacarpus var. insularis F. R. Fosberg 1931-5-19 S 4920 Los Angeles Head of Cape Canyon, Santa Catalina Island 180 Comment
  UC1070894  Ceanothus megacarpus var. megacarpus F. H. Raymond 1930-1-9 21 Los Angeles Trances Canyon Truinfo Pass quad. 457 Comment
  UC440368  Ceanothus megacarpus var. megacarpus Carl Epling 1930-3-8 Los Angeles Mandeville Canyon Santa Monica Mountains Comment
  RSA656269  Ceanothus oliganthus Bill McKinley 1976-4-18 5 Los Angeles Verdugo Mountains: 10 yards west of intersection of Fire Roads 890 yards up Beaudry Fire Road west of Beaudry Blvd., vicinity Oakmont Country Club, Glendale. 402 Comment
  RSA783283  Ceanothus oliganthus J. D. Olmsted 1959-3-27 320 Los Angeles San Dimas Creek. 0.25 mi S of gaging station below San Dimas ranger station on east bank of stream. 427 Comment
  CLARK-A1528-3896  Ceanothus oliganthus John C. Roos 1942-3-21 1097 Los Angeles San Gabriel Mountains Comment
  UCR146479  Ceanothus oliganthus subsp. oliganthus Scott D. White 2004-7-27 10624 Los Angeles San Gabriel Mountains, Clear Creek area; roadside and hiking trail south side of Angeles Forest Hwy, c. 0.2 mi west of jct. with Angeles Crest Hwy; Condor Peak 1067 Comment
  RSA0091477  Ceanothus oliganthus var. oliganthus R. G. Swinney 2011-3-22 14179 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  UC574961  Ceanothus oliganthus var. oliganthus Carl Epling, R. Fowler, K. Kneen April 1933 Los Angeles Boney Ridge Santa Monica Mts. Comment
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Nov 11 2014
  UCD170954  Ceanothus oliganthus var. sorediatus R. G. Swinney 2009-3-10 10058 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park. 305 Comment
  UCR133584  Ceanothus spinosus Tema S. Clare 1929-2-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., Santa Monica Canyon 305 Comment
  SEINET11736967  Cedrus libani Unknown 1946-1 s.n. Los Angeles Pasadena Comment
  RSA0097783  Centaurea melitensis R. G. Swinney 2011-4-26 14522 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
  LA200179  Centaurea melitensis Jonathan Sauer; R. Thaman 1970-6-6 4818 Los Angeles Santa Monica Mountains, Temescal Canyon, upper canyon 365 Comment
  RSA0030950  Centaurea melitensis Bill Dewal s.n. Los Angeles Montrose. Vacant lot. 60 Comment
  RSA719134  Centaurea melitensis Naomi Fraga 2001-5-11 37 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA699283  Centaurea repens Mary Denni 1934-05 s.n. Los Angeles Artesia Comment
  UCR261345  Centaurium venustum R. G. Swinney 2010-6-29 13378 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake 308 Comment
  SEINET12651363 Image available Centaurium venustum Muriel F. Wheeler 1938-6-13 975 Los Angeles San Dimas Wash, .5 mi NE of San Dimas County Park 360 Comment
  UCR190245  Centranthus ruber R. G. Swinney 2000-5-25 7786 Los Angeles San Gabriel Mtns., Azusa, 0.3 mi. east of San Gabriel Canyon Information Station on Hwy 39 at mouth of canyon 244 Comment
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Oct 29 2010
  RSA392719  Centrostegia thurberi var. thurberi J. A. Comstock 1932-7-6 s.n. Los Angeles Mojave Desert. Comment
  CAS-BOT-BC400186  Ceratophyllum demersum Louis Wheeler 1933-10-22 2196 Los Angeles Crystal Lake, San Gabriel Mts. 1706 Comment
  LA83698  Cercocarpus betuloides O. H. Kappler; 1946-5-30 1204 Los Angeles On road from Wrightwood to Palmdale 1798 Comment
  UC1127860  Cercocarpus betuloides var. betuloides A. D. Gifford 1935-3-15 449 Los Angeles 1 1/2 mi ene of Whitaker Peak (Angeles National Forest); Angeles National Forest 1066 Comment
  RSA449450  Cercocarpus ledifolius Anstruther Davidson 1906-6-1 s.n. Los Angeles Rock Creek Comment
  RSA498795  Cercocarpus ledifolius Albert J. Perkins 1912-9-8 s.n. Los Angeles Mt San Antonio Trail. 2134 Comment
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Jun 5 2015
  CAS-BOT-BC143820  Cercocarpus ledifolius var. ledifolius Miss. H. D. Geis 1908-5-31 s.n. Los Angeles Rim Trail, Mt. Wilson 1706 Comment
  RSA190897  Cercocarpus traskiae Robert F. Thorne 1967-3-18 36735 Los Angeles Santa Catalina Island. Wild Boar Gully, ca. 1 mi. WNW of Salta Verde Point 198 Comment
  SEINET7379758 Image available Chaenactis artemisiifolia G. B. Grant 1904-6-15 166 Los Angeles Pasadena Comment
  RSA0113432  Chaenactis fremontii LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7535 Los Angeles Arrastre Canyon. Started near mouth of canyon, near 34.44397N 118.20032W. Ended on top of a small knoll, near 34.43011N 118.18667W. 804 Comment
  SFV6619  Chaenactis fremontii T. Gordon, W. C. Willig, K. A. Wilson, D. R. Perry 1974-4-28 206 Los Angeles Mojave Desert Antelope Valley. Llano. 165th Street East and T8 Avenue. 900 Comment
  RSA747005  Chaenactis glabriuscula R. G. Swinney 2005-4-9 8211 Los Angeles San Dimas, Sycamore Canyon 396 Comment
  UCR259681  Chaenactis glabriuscula R. G. Swinney 2010-4-13 12205 Los Angeles San Gabriel Mountains, Lime Kiln Canyon, 0.2-0.5 miles east of Pacoima Canyon 561 Comment
  RSA595117  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8577 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N05, 6.2 road miles from jtn with 8N05. 1174 Comment
  POM351744  Chaenactis glabriuscula var. lanosa Fordyce Grinnell Jr. 1910-04 s.n. Los Angeles San Fernando Valley, PacoimaWash Comment
  RSA0025173  Chaenactis santolinoides Jane Tirrell 2012-6-27 LS 0085 Los Angeles North-facing slope of small open crest above Pacific Crest Trail, approximately 0.6 miles east of Windy Gap. 2517 Comment
  UCSC001461  Chaenactis santolinoides Peter Kamb 1947-6-30 614 Los Angeles Summit of Mt Islip Mt Islip - San Gabriel Mts. 2499 Comment
  RSA587249  Chaenactis xantiana Orlando Mistretta 1994-5-13 1197 Los Angeles San Gabriel Mts; Little Rock Creek, slopes E of creek opposite confluence with Kitter Canyon 1067 Comment
  RSA716365  Chaenactis xantiana Andrea Edwards, Pam De Vries 2006-4-11 92 Los Angeles triangular site generally bounded by Interstate 5, Highway 138, and Gorman Post Road. 1037 Comment
  SFV2082  Chamaesyce albomarginata P. G. Kilburn 1958-3-11 655 Los Angeles San Gabriel Mountains Wayside Honor Ranch, south of Castaic. On road to cow pasture above headquarters. Comment
  UCSB17154  Chamaesyce albomarginata Otey, D. 1963-5-3 Los Angeles 9.4 miles west of San Bernardino County Line on California Highway 138 944 Comment
  RSA737490  Chamaesyce melanadenia D. E. Bramlet 2007-7-13 4110 Los Angeles La Verne. 152 m North of Baseline, 1.37km west of Live Oak Cyn Road & 1.28km east of Marshall Creek. Comment
  RSA498538  Chamaesyce melanadenia L. S. Rose 1934-12-26 34521 Los Angeles Rocky slopes. San Gabriel Mts. Comment
  RSA70533  Chamaesyce melanadenia Joseph A. Ewan 1931-4-25 4169 Los Angeles S. Fork La Tuna Canyon, Verdugo Range. Comment
  CAS-BOT-BC166008  Chamerion angustifolium subsp. circumvagum R. F. Thorne; M. Z. Thorne 1969-7-10 38349 Los Angeles San Gabriel Mts., Angeles National Forest: along Angeles Crest Hwy., 1.1 mile NE of Pine Hollow Picnic Ground 2133 Comment
  UC650549  Cheilanthes covillei Marcus E. Jones, A. M. 1882-2-27 3033 Los Angeles Pasadena Comment
  UCR190797  Cheilanthes covillei R. G. Swinney 2001-5-18 7937 Los Angeles San Gabriel Mtns./Mojave Desert, Largo Vista area, c. 1/2 mile east of Largo Vista Rd. at a point 3.56 mi. south of Hwy 138 1284 Comment
  RSA685723  Cheilanthes covillei G. R. Proctor 1944-2-27 791 Los Angeles Santa Anita Canyon Comment
  SFV6933  Chenopodium T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-8-31 642 Los Angeles Santa Monica Mountains Malibu Creek at Tapia Park. 137 Comment
  UCR179471  Chenopodium R. G. Swinney, Dave Larson 1996-8-7 5251 Los Angeles Eastern San Gabriel Mountains., San Dimas Experimental Forest, head of Dry Lake Canyon at 'Dry Lake,' site of CCC camp in 1930s = Browns Flat 1524 Comment
  LA51483  Chenopodium berlandieri Peter H. Raven; Henry J. Thompson 1958-10-11 13751 Los Angeles Santa Monica Mountains, Tuna Canyon, Tuna Canyon Road 0.5 mi S of junction with Saddle Peak Rd 518 Comment
  RSA0080391  Chenopodium berlandieri R. G. Swinney 2010-3-24 12042 Los Angeles Lopez Canyon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canyon Rd. 463 Comment
  POM211790  Chenopodium botrys L. C. Wheeler 1933-8-20 2086 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  UCD168375  Chenopodium californicum J. W. Barry 1980-5-1 s.n. Los Angeles East of Hungry Valley SVRA. (Exact location unknown. Coordinates estimated by the label maker.) Comment
  SEINET6654078  Chenopodium hians Rick Jellen 2010-8-17 1004 Los Angeles Angeles Forest Hwy, 1.4 mi NE Mill Creek Summit.; 0 1880 Comment
  SD107892  Chenopodium macrospermum Robert F. Thorne, D. Propst 1974-9-12 45096 Los Angeles Santa Catalina Island: Desiccated margin of Thomson Reservoir in coastal sage scrub. 214 Comment
  RSA177733  Chenopodium murale R. F. Thorne, P. C. Everett 1965-5-11 34541 Los Angeles Santa Catalina Island. Salt flat N of Catalina Harbor. Comment
  LA201083  Chenopodium pumilio Louis C. Wheeler; 1932-7-2 Los Angeles San Gabriel Mountains, San Dimas Canyon 457 Comment
  CATA141  Chlorogalum pomeridianum Mark L. Hoefs, A. Douglas Propst 1973-3-14 105 Los Angeles Santa Catalina Island: Upper Cape Canyon 335 Comment
  RSA0039464  Chlorogalum pomeridianum R. G. Swinney 2010-6-21 13250 Los Angeles Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail. 561 Comment
  SD237387  Chorispora tenella A. C. Sanders 2010-3-30 37708 Los Angeles Mojave Desert: Antelope Valley, east of Lancaster and south of Redman, 90th St. East 0.35 mi. north of Ave H (Alpine Butte 7.5'Q) 726 Comment
  SEINET10479903  Chorizanthe californica Carl B. Wolf 1931-7-2 Wolf 2261 Los Angeles Little Tujunga Wash, 1/2 mile above the bridge on the road from Sunland to San Fernando. Upper Sonoran. 1100 feet. 335 Comment
  CAS-BOT-BC244658  Chorizanthe staticoides James L. Reveal 1988-5-17 6789 Los Angeles Along the Bouquet Canyon Road east of Bouguet Reservoir, 3.1 miles east of the junction of Green Valley (or Spunky Canyon) Road and 3.3 miles southwest of Elizabeth Lake Road (County Road N2) in Leona Valley, at the junction of San Franciscito Road 1127 Comment
  POM8235  Chorizanthe staticoides P. A. Munz, R. D. Harwood 1920-4-21 3715 Los Angeles San Dimas Canyon; South face of San Gabriel Mts 457 Comment
  RSA777922  Chorizanthe staticoides Orlando Mistretta, Christine Mistretta 2010-5-20 5153 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  UCD99990  Chorizanthe staticoides A. C. Sanders 2003-6-18 26934 Los Angeles N end of Santa Susana Mtns.: ridge ca 900 m SW of 'Airport Mesa,' 1 mile SW of Castaic Junction, vicinity of BM 1302 ft., Newhall Ranch. 366 Comment
  UCSB1345  Chorizanthe staticoides Foster, R. 1937-6-3 Los Angeles Wasteland, Mills Ave., Claremont Comment
  CAS-BOT-BC248074  Chorizanthe xanti var. xanti Timothy S. Ross; Steve Boyd 1994-6-23 8066 Los Angeles Liebre Mountains. Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of west fork Devils Gulch 1597 Comment
  UCR269119  Chorizanthe xanti var. xanti Orlando Mistretta, Christine Mistretta 2008-5-2 2601 Los Angeles Transverse Ranges; Liebre Mountains, Southern California Edison transmission line tower (Segment 5, structure 48 per TRTP Survey 2008), in the vicinity of Ritter Ridge 1085 Comment
  RSA682291  Chrysanthemum parthenium R. E. Riefner 2000-8-29 00 -752 Los Angeles La Tuna Canyon, Santa Monica Mountains. Conservency Park, second canyon at picnic stop along La Tuna Canyon Rd. S of 210 Freeway. 462 Comment
  RSA755610  Chrysolepis sempervirens R. G. Swinney 2008-7-25 9312 Los Angeles Twin Peaks, west peak. 2299 Comment
  UCR145164  Chrysothamnus nauseosus June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  RSA703160  Chrysothamnus nauseosus subsp. consimilis Scott D. White 2004-8-11 10698 Los Angeles San Gabriel Mountains: About 8 air miles west - northwest of Wrightwood. East of Fenner Saddle Rd. on Pacific Crest Trail. 2073 Comment
  RSA0001037  Chrysothamnus nauseosus var. bernardinus Fordyce Grinnell Jr. 1915-9-4 3117 Los Angeles Above Arroyo Seco-West Fork Divide. Comment
  CDA10790  Chrysothamnus viscidiflorus subsp. viscidiflorus A. C. Browne 1955-10-23 Los Angeles Valyermo. 0 Comment
  UC635283  Chylismia claviformis subsp. claviformis H. L. Mason 1926-4-27 3038 Los Angeles Rock Creek Comment
  CAS-BOT-BC285413  Cirsium occidentale var. californicum Geo. B. Grant 1900-1-17 s.n. Los Angeles Lincoln Park Comment
  POM352147  Cirsium occidentale var. californicum Gale Sphon 1955-5-12 s.n. Los Angeles Mulholland Drive. On fire road opposite Sepulvada fire road. Comment
  UCR138996  Cirsium occidentale var. californicum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mtns, Bluebird Truck Trail, near Big Dalton Canyon 732 Comment
  RSA596800  Cirsium occidentale var. occidentale Timothy S. Ross, J. Mark Porter 1995-5-4 8508 Los Angeles Texas Canyon: ca 2.8 road miles NE of Bouquet Canyon Road. 610 Comment
  SD31183  Cirsium occidentale var. occidentale Edith A. Purer 1931-5-26 Los Angeles Palos Verdes Hills Comment
  UCSB43777  Cirsium occidentale var. occidentale Nakashima, L. 1982-4-17 Los Angeles On Benton Mine Road, 0.9 miles south of its junction with Mount Ada Road on Santa Catalina Island 198 Comment
  RSA587191  Cirsium vulgare Scott D. White 1995-12-5 3769 Los Angeles Marina Del Rey area; State Rt. 90 median strip between Culver Bl. and Mindanao Way. 5 Comment
  CAS-BOT-BC438745  Cistanthe monandra Roxana S. Ferris 1918-6-12 950 Los Angeles 3 miles above Acton on Palmdale-Saugus Road Comment
  RSA448246  Clarkia bottae H. de Forest, Johnston. 1925-5-16 s.n. Los Angeles Hollywood Mountains. Comment
  SEINET4044566  Clarkia bottae D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 365 Comment
  UCSB4356  Clarkia bottae DeWitt, Jack 1959-5-15 Los Angeles Mint Canyon; at park 4.3 miles E of Solemint 609 Comment
Read comments
Nov 13 2014
  HSC16282  Clarkia cylindrica C. E. Fellows 1965-6-27 108 Los Angeles 3/10 mi. S of Dartford St. on Sepulveda Blvd. Comment
  SFV2478  Clarkia cylindrica K. A. Wilson 1962-5-26 1287 Los Angeles San Gabriel Mountains Placerita Canyon, about 1 mile east of Highway 6. 500 Comment
  SEINET12189207  Clarkia deflexa I. W. Clokey, Templeton, B. 1929-1 4534 Los Angeles Mandeville Canyon, Santa Monica Mountains 200 Comment
  RSA453452  Clarkia dudleyana Samuel R. Tyson 1942-5-22 s.n. Los Angeles San Dimas Canyon, Wolfskill Canyon. 549 Comment
  SEINET3561651 Image available Clarkia elegans F. A. MacFadden 1930-5-9 s.n. Los Angeles Tuna Canyon, Verdugo Hills. Comment
  CATA213  Clarkia epilobioides Mark L. Hoefs, A. Douglas Propst 1973-4-24 197 Los Angeles Santa Catalina Island: Upper Descanso Canyon, west fork 198 Comment
  RSA246441  Clarkia epilobioides F. R. Fosberg 1931-4-15 S- 4636 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  RSA3545  Clarkia epilobioides Carl B. Wolf 1932-5-9 3489 Los Angeles At 2nd group of mine workings in left (east) fork of Pebbly Beach Canyon, Santa Catalina Island. 244 Comment
  CAS-BOT-BC163707  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1928-6-10 3875 Los Angeles Above Monrovia Dam, Monrovia [Canon] Canyon, San Gabriel Mts. Comment
  UCSB4308  Clarkia rhomboidea Kamb, Peter 1947-6-1 Los Angeles Mt Disappointment; San Gabriel Mts 1432 Comment
  RSA599881  Clarkia unguiculata Steve Boyd, Lauren Raz 1997-5-6 9726 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  UC1122465  Clarkia unguiculata A. D. Gifford 1935-5-8 679 Los Angeles 2 1/2 mi s Warm Springs; Angeles National Forest, Tejon Quadrangle Comment
  RSA0080435  Claytonia parviflora R. G. Swinney 2010-5-19 12796 Los Angeles Oracle Hill summit, abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1335 Comment
  UCR186764  Claytonia parviflora T. B. Salvato, Sandra Murcia 2007-3-28 2007 Los Angeles San Gabriel Mountains, Santa Anita Reservoir, proposed 4-acre sediment placement site, east side of the channel and 0.4 mi south of the Elkins Avenue entrance gate 680 Comment
  UCR192163  Claytonia parviflora A. C. Sanders 2008-4-18 34966 Los Angeles Transverse Range/Mojave Desert, Cow Spring Canyon, west side of canyon toward mouth 1004 Comment
  POM796  Claytonia parviflora subsp. parviflora C. F. Baker 1909-4-19 5360 Los Angeles Claremont Comment
  RSA276907  Claytonia perfoliata subsp. intermontana J. M. Miller 1977-3-28 624 Los Angeles San Gabriel Mountains: Upper Arroyo Seco watershed on Highway 2 (Angeles Crest Highway). Comment
  POM199784  Claytonia perfoliata subsp. mexicana I. W. Clokey, Bonnie C. Templeton 1929-03 4527 Los Angeles Mandeville Canyon, Santa Monica Mountains. 350 Comment
  POM50086  Claytonia perfoliata subsp. mexicana L. W. Nuttall 1921-2-9 1077 Los Angeles Santa Catalina Island. Avalon Canyon. Comment
  RSA0091971  Claytonia perfoliata subsp. mexicana R. G. Swinney 2011-3-17 14125 Los Angeles Glendora, north of Mull Canyon debris basin 366 Comment
  RSA660520  Claytonia perfoliata subsp. mexicana Gerald Braden, Arthur Davenport, Lori Ackerman 1988-5-4 15 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA660469  Claytonia perfoliata subsp. mexicana Mary C. Hunter 1994-5-28 0031 Los Angeles Off Angeles Crest Hwy, West of highway heading North; Road marked 2931; Pasadena 61 Comment
  RSA0091716  Claytonia perfoliata subsp. perfoliata R. G. Swinney 2011-4-9 14372 Los Angeles NE of the city of Monrovia, Woodrat Flats, between Sycamore and Twin Springs canyons, on the restored Ben Overturff Trail, N of Sawpit Cyn. 614 Comment
  LA52248  Clematis lasiantha Carl Epling; L. Ellison 1929-3-30 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  RSA386245  Clematis ligusticifolia M. B. Dunkle 1928-3-11 1722 Los Angeles Silver Canyon, Santa Catalina Island. Comment
  SBBG77885  Clematis ligusticifolia F. R. Fosberg 1931-7-10 5367 Los Angeles Eagles Nest, Middle Ranch Cyn 180 Comment
  UC625048  Clematis ligusticifolia F. R. Fosberg 1931-7-10 S 5367 Los Angeles Santa Catalina Island, Middle Ranch Canyon, Eagle's Nest 180 Comment
  RSA440784  Cleome isomeris Geo L. Moxley 1917-2-4 520 Los Angeles San Fernando Reservoir. Comment
  RSA151320  Cleome isomeris P. H. Raven 1962-7-11 17989 Los Angeles Lower reaches of canyon north of nanny, northeast of Lemon Tank, San Clemente Island Comment
  CATA1406  Clinopodium douglasii Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-11-9 2551 Los Angeles Santa Catalina Island: Bulrush Canyon, between lower reservoir and Salta Verde Road 280 Comment
  UCR189991  Collinsia callosa R. G. Swinney 1998-6-12 6958 Los Angeles San Gabriel Mtns., NW of Jackson Lake at Ball Flat, 0.7 mi. north of Big Pines Hwy on 4N16, Ball Flats Rd. 1890 Comment
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May 2 2012
  RSA0076349  Collinsia callosa Anstruther Davidson 1925-5-1 s.n. Los Angeles L.A. Co. Park. Comment
  LA52027  Collinsia heterophylla Harvey Anderson; Carl Epling, Lincoln Ellison 1930-5-30 sn Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  RSA482001  Collinsia heterophylla Richard Noyes 1988-5-12 5562 Los Angeles San Gabriel Mountains: San Antonio Canyon. One mile north of intersection of Mt. Baldy Road and Mountain Avenue 854 Comment
  SD230297  Collinsia heterophylla Louis C. Wheeler 1968-5-24 Los Angeles San Gabriel Mountains: Northwest slope Smith Mt., along Bear Creek Trail. 1250 Comment
  UC311501  Collinsia heterophylla Philip A. Munz 1925-4-23 9410 Los Angeles San Gabriel Canyon 304 Comment
  RSA14205  Collinsia heterophylla Carl B. Wolf 1926-04 s.n. Los Angeles Occidental College Campus, Eagle Rock Comment
  RSA563507  Colutea arborescens Tim S. Ross, W. Appleby 1993-6-8 7373 Los Angeles Western San Gabriel Mountains: Bear Divide; off the west side of Little Tujunga Road, just east of the Forest Service Station. At head of draw draining SE to Pacoima Canyon. 793 Comment
  LA46185  Comarostaphylis diversifolia subsp. diversifolia K. Kneen; 1933-8-25 6212 Los Angeles Santa Monica Mountains Comment
  CDA29532  Conium maculatum Michael O Brien 2009-7-12 PDR# 1535008 Los Angeles Nearest the town of Calabasas in Tapia Park, a unit of Malibu Creek State Park, near the entrance to the Salvation Army Camp. Comment
  RSA0084934  Conium maculatum R. G. Swinney 2010-6-23 13327 Los Angeles Big Tujunga Ponds (Wildlife Sanctuary) Natural Area, c. 200 meters west of I-210 Fwy., at the far east end of the Hansen Dam Basin. 341 Comment
  RSA748702  Conium maculatum D. Charlton 1994-7-24 6043 Los Angeles Piute Ponds, on roadway between Old Piute and new Piute on main dike road extension of Ave. C, SW edge of Rosamond Lake, N of Lancaster 701 Comment
  PASA1929  Conium maculatum Frank W. Peirson 1920-4-25 Los Angeles Verdugo Canyon 274 Comment
  SDSU4109  Constancea nevinii unknown 1940-5-20 3127 Los Angeles Catalina Island. Comment
  SBBG31039  Convolvulus arvensis R. F. Thorne 1966-4-29 36283 Los Angeles near dam, Middle Ranch, Middle Ranch Cyn 198 Comment
  RSA0043296  Convolvulus cyclostegius A. Lee Haines 1970-6-24 s.n. Los Angeles Pt. Dume Comment
  POM4074  Conyza bonariensis D. L. Crawford 548 Los Angeles Claremont. Comment
  RSA151315  Conyza canadensis Peter H. Raven 1962-7-11 17997 Los Angeles Just south of old airstrip, San Clemente Island Comment
  RSA755625  Cordylanthus nevinii R. G. Swinney 2008-7-15 9205 Los Angeles Winston Peak. 2275 Comment
  UCR209266  Cordylanthus nevinii R. G. Swinney 2008-10-8 9542 Los Angeles San Gabriel Mtns., Table Mountain West, north of Big Pines 2291 Comment
  UCR194162  Cordylanthus rigidus R. G. Swinney 1998-8-13 6731 Los Angeles San Gabriel Mtns., Iron Mountain ridge, 0.5 mi. south of Iron Mtn. summit, 100 m north of a Coulter pine grove 2262 Comment
  UCR271607  Cordylanthus rigidus subsp. setiger R. G. Swinney 2011-10-13 15795 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
  JEPS70059  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-28 2840 Los Angeles near Malibu Trancas Lake (off Encinal Canyon road.); upper Trancas Canyon 457 Comment
  JEPS70064  Cordylanthus rigidus subsp. setiger L. R. Heckard 1971-9-29 2844 Los Angeles 2.3 mi above junction with Skyline Dr Topanga Canyon; Santa Monica Mts. 335 Comment
  RSA586991  Coreopsis bigelovii Orlando Mistretta 1992-5-8 305 Los Angeles Little Rock Creek, slopes E. of Little Rock Creek Reservoir 1159 Comment
  RSA599277  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-31 9413 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
  UCR151328  Coreopsis bigelovii LeRoy Gross, Orlando Mistretta, Valerie Soza 2003-5-13 861 Los Angeles Transverse Ranges/San Gabriel Mtns region, Big Rock Creek, N and east of Valyermo Ranger Station off Big Pines Hwy 1143 Comment
  UCR194019  Coreopsis bigelovii R. G. Swinney 1999-5-22 7194 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  UCR197730  Coreopsis bigelovii Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506- 6 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
  CAS-BOT-BC287875  Coreopsis californica Timothy S. Ross; J. M. Porter 1994-5-1 7606 Los Angeles SW Mojave Desert: ca 1740 m S of Black Butte and 1000 m W of Three Sisters buttes 947 Comment
  SEINET4004201 Image available Coreopsis gigantea R. Moran 1941-1 828 Los Angeles Indian Rock, Wilson's Harbor, Santa Catalina Island. 15 Comment
  RSA5997  Corethrogyne filaginifolia C. B. Wolf 1932-10-6 4244 Los Angeles West side of Avalon, Santa Catalina Island. 60 Comment
  UC178859  Corethrogyne filaginifolia Katharine Brandegee Los Angeles Ravenna Comment
  UC485377  Corethrogyne filaginifolia C. F. Millspaugh 1920-1-21 4619 Los Angeles isthmus Santa Catalina Island Comment
  UCR247995  Corethrogyne filaginifolia David J. Keil 1986-9-27 19737 -2 Los Angeles Along Hwy I-5, just south of Hungry Valley Road exit 915 Comment
  UCSB69275  Corethrogyne filaginifolia Gross, LeRoy; Soza, Valerie; Gilbert, Neil 2000-10-18 Los Angeles Verdugo Mountains; intersection of Verdugo Mountainway and Hostetter Mountainway 914 Comment
  RSA397682  Cornus sericea subsp. occidentalis Thekla Mohr 1931-1 2808 Los Angeles San Gabriel Mts. Comment
  RSA188487  Cornus sericea subsp. sericea R. F. Thorne, John Olmstead 1965-8-26 35422 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  UCR24177  Cornus sericea subsp. sericea John C. Roos 1947-5-31 3666 Los Angeles San Gabriel Mtns., near Jackson Lake 1829 Comment
  RSA187983  Cortaderia selloana R. F. Thorne, Percy C. Everett 1965-6-22 34870 -A Los Angeles Santa Catalina Island: beyond Lookout Point 30 Comment
  RSA0076097  Cotoneaster pannosus R. G. Swinney 2008-5-30 8907 Los Angeles San Gabriel Mtns.: San Gabriel Canyon, 0.4 mi. above (east) of El Encanto park office, on shoulder of the old road. 268 Comment
  RSA653889  Cotula australis Valerie L. Soza, Steve Boyd 2000-4-26 789 Los Angeles Verdugo Mountains, south side: Stough Canyon, Stough Park, above parking lot SW of intersection of Walnut Avenue and Lockheed View Drive, W of De Bell Municipal Golf Course, SE of Starlight Theater. 396 Comment
  NY387836  Cotyledon nudicaule L. Abrams 1902-7-4 2652 Los Angeles San Gabriel Cañon. Comment
  CAS-BOT-BC427737  Crassula connata Geo. B. Grant 1902-4-1 1295 Los Angeles Pasadena Comment
  CAS-BOT-BC427741  Crassula connata Le Roy Abrams 1901-4-1 1208 Los Angeles Ballona Harbor Comment
  RSA777685  Crassula connata Orlando Mistretta, Christine Mistretta 2010-5-19 5106 Los Angeles San Gabriel Mountains region: Aliso Canyon; approximately 1.75 mile NW of the intersection of Aliso Cyn and the Angeles Forest Hwy. 1103 Comment
  RSA338478  Crassula connata Jack Delaini, Larry E. DeBuhr 1974-2-21 29 Los Angeles in open, grassy area on top of exposed knoll 548 Comment
  RSA423450  Crassula connata var. erectoides Sam Tyson 1943-4-13 s.n. Los Angeles San Dimas Canyon Comment
  UCR101270  Crassula tillaea L. C. Wheeler 1962-3-25 7988 Los Angeles Azusa: San Gabriel Wash at Foothill Blvd., east side 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
  RSA583079  Crossosoma californicum T. S. Ross 1993-4-22 6881 Los Angeles Santa Catalina Island. SW part of the island in the vicinity of Cactus Peak (1560 ft); 1000m ESE of Cactus Peak summit; large, lichen-covered outcrop on NNW side of 1528-ft peak. 447 Comment
  SBBG47482  Crossosoma californicum M. B. Dunkle 1932-1-24 2862 Los Angeles Avalon, East Ridge 91 Comment
  UC284963  Crossosoma californicum P. A. Munz and Milton Smith 1923-4-11 6767 Los Angeles Hay Ranch San Clemente Island (w coast of island) Comment
  UCR105730  Croton californicus L. C. Wheeler 1974-4-4 s.n. Los Angeles Pacific slope, West end of the Los Angeles International Airport [LAX] 61 Comment
  CATA999  Croton setiger Mark L. Hoefs 1994-7-18 1879 Los Angeles Santa Catalina Island: Northeast of upper end of road to White's Landing 243 Comment
  CAS-BOT-BC190077  Crypsis schoenoides Grace Cole Fleischman 1946-10-20 s.n. Los Angeles Puddingstone Reservoir near San Dimas. Comment
  SEINET3926250  Crypsis schoenoides Timothy S. Ross, Steve Boyd 1994-9-21 8329 Los Angeles 'Cow Spring Pond': Sag pond on the San Andreas Fault Zone at the N foot of Liebre Mtn and on the S side of West Oakdale Canyon Road, ca 100 m W of the Cow spring Canyon drainage. Liebre Mountain 7.5' USGS Quadrangle.; 0 1149 Comment
  UCR189880  Cryptantha R. G. Swinney 1998-7-27 6490 Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
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Dec 6 2018
  RSA159356  Cryptantha clevelandii P. H. Raven 1962-4-12 17317 Los Angeles San Clemente Island. Near foot of canyon south of canyon below the Tomb, west side of island 107 Comment
  SD69705  Cryptantha clevelandii Robert F. Thorne 1966-4-29 36298 Los Angeles Santa Catalina Island: Ben Weston Beach 7 Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  RSA774596  Cryptantha clokeyi Orlando Mistretta, Christine Mistretta 2010-6-10 5292 Los Angeles North Fork Mill Creek. Forest Service Route 3N27, 2.55 air miles SW of intersection with Forest Route 3N17 (Mt. Gleason Road), along Southern California Edison transmission line corridor. 1295 Comment
  RSA622153  Cryptantha dumetorum L. Higgins 1974-4-11 8450 Los Angeles On Hwy 18 at the Los Angeles San Bernardino County Line. Comment
  SBBG21981  Cryptantha intermedia P. H. Raven, R. B. Thorne 1964-5-7 19035 Los Angeles Saddle Rock Ranch, near Seminole Hot Springs, Santa Monica Mtns Comment
  SBBG63825  Cryptantha intermedia R. Hoffmann 1928-7-7 Los Angeles near Lang Comment
  UC56863  Cryptantha intermedia R. D. Williams 1902-2-12 Los Angeles Claremont Comment
  UCR125405  Cryptantha intermedia A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25697 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, upper 'Long Canyon,' c. 1.5 mi. SE of Del Valle, south of confluence of Castaic Creek with Santa Clara River 335 Comment
  UCR177140  Cryptantha intermedia L. C. Wheeler 1967-4-30 9211 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of foothills (of San Gabriel Mtns), between Bouquet Junction and Bonelli Ranch 396 Comment
  POM3893  Cryptantha intermedia C. F. Baker 1903-4-1 4137 Los Angeles Claremont Comment
  RSA534032  Cryptantha intermedia Tim Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5294 Los Angeles San Clemente Island: Westerly fork of Near Death Canyon, draining to Mosquito Cove (drainage beginning 800ft N of Rest 1336ft marker, 1800ft SE of Malo Knoll (1396ft). 274 Comment
  UC1349351  Cryptantha intermedia Robert F. Thorne 1966-4-7 35974 Los Angeles road above Emerald Cove; Santa Catlina Island 60 Comment
  UC306217  Cryptantha intermedia D. L. Crawford 1915-6-30 Los Angeles above Claremont 2133 Comment
  RSA485303  Cryptantha micrantha Barbara Shervanick 1974-4-28 1241 Los Angeles Wash just west of Littlerock. 854 Comment
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Nov 1 2009
  RSA705036  Cryptantha micrantha Gary D. Wallace, M. Wallace 1983-5-20 2079 Los Angeles Aliso Canyon road between Acton and Angeles Forest highway. Comment
  RSA499675  Cryptantha microstachys Donald R. Bissing 1973-4-20 45 Los Angeles Evey canyon. on slope above road cut 0.5 mile from canyon mouth. 744 Comment
  RSA626510  Cryptantha microstachys Scott D. White 1998-6-10 6712 Los Angeles San Antonio Canyon: About 1.5 air miles north of San Antonio Dam. Shinn Rd. (=Mountain Ave.) bridge over San Antonio Creek, immediately west of USFS San Antonio Fire Station. 762 Comment
  RSA708019  Cryptantha microstachys Scott D. White, Jennifer H. Jones 2005-6-23 11145 Los Angeles Acton area. South of Powerline access road (ANF 4N32), between Arrastre Canyon and Moody Canyon. 976 Comment
  POM369521  Cryptantha muricata Ora M. Clark 1929-3-30 1902 Los Angeles W. of Lancaster Comment
  SBBG63810  Cryptantha muricata var. jonesii R. Hoffmann 1927-6-14 Los Angeles Pine Cyn Comment
  RSA0079392  Cryptantha muricata var. jonesii R. F. Thorne, M. Z. Thorne 1967-7-19 37145 Los Angeles San Gabriel Mts., Angeles National Forest, Crytal Lake Recreation Area: just above junction of roads to Crystal Lake and Angeles Crest Hwy. 1555 Comment
  RSA757199  Cryptantha nevadensis var. rigida Orlando Mistretta, Christine Mistretta 2008-4-7 2355 Los Angeles along SCE transmission line corridor, ca. 1 mi. NW of intersection of transmission line with State Hwy. 14 (1.25 mi. NW of Vincent substation), southeast edge of Sierra Pelona Ridge. (Segment 5, structure 43 per TRTP survey-2008) 1020 Comment
  UC1929547  Cryptantha oxygona Valerie Soza, Naomi Fraga, Aydee Virgen 2003-6-16 1677 Los Angeles Transverse Ranges; San Gabriel Mountains region; Western extension of Waterman Mountain, along Waterman Mountain trail 10W04 from approximatly 0.75 to 2.5 miles ESE from Three Points trailhead. Comment
  UCR193703  Cryptantha oxygona R. G. Swinney 1999-5-22 7191 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, south of old homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  POM3825  Cryptantha similis George B. Grant 1906-6-15 s.n. Los Angeles Summit of Mt. Wilson 1829 Comment
  RSA585318  Cryptantha similis T. S. Ross 1991-4-27 4648 Los Angeles Mojave Desert: Fort Tejon Road, 0.1 mile W of its junction with Hwy 138 (& hiking +/-S to SSW), ca. 0.25-0.3 miles W of the county line 1183 Comment
  RSA549512  Cryptantha simulans T. S. Ross, Steve D. Boyd 1990-6-18 3466 Los Angeles Camp Verdugo Pines and vicinity; northerly draw draining to Jackson Lake. 1878 Comment
  UC28905  Cucurbita foetidissima Setchell Dec. 1896 Los Angeles Los Angeles Comment
  RSA669715  Cupressus arizonica LeRoy Gross 2002-2-2 471 Los Angeles North side: Shaved off peak top with concrete foundation, just west of McGroarty Cross, (near Pasko Park) off of Verdugo Crestline Drive, east of Woodward Ave. ( grown back and gone back to nature, but shown on The Thomas Guide, street guide and director 625 Comment
  POM3645  Cuscuta californica L. R. Abrams 1902-7-5 2654 Los Angeles Azusa. Comment
  RSA640304  Cuscuta californica L. C. Wheeler 1973-2-3 s.n. Los Angeles Venice. Comment
  SFV6273  Cuscuta californica M. H. Grayum, L. A. Lester 1974-6-22 s. n. Los Angeles Santa Susana Mountains Chivo Canyon. 671 Comment
  RSA709607  Cuscuta californica var. californica A. C. Sanders, A. Thompson 2003-4-15 25992 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, ca. 1000 ft. south of Magic Mountain theme park. 305 Comment
  RSA631347  Cuscuta californica var. californica L. C. Wheeler 1967-7-6 9939 Los Angeles San Gabriel Canyon, across the river, south of the gauging station 274 Comment
  UCR217705  Cuscuta campestris A. C. Sanders, Dan S. Cooper 2010-8-5 38533 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA603177  Cuscuta campestris L. C. Wheeler 1936-6-28 4193 Los Angeles 3 miles SE of El Monte. 76 Comment
  UCR209454  Cuscuta subinclusa R. G. Swinney 2008-10-10 9557 Los Angeles San Gabriel Mtns., Sulphur Spring Campground area, South Fork Little Rock Creek 1585 Comment
  RSA149738  Cycladenia humilis var. venusta Wesley O. Griesel 1961-8-9 s.n. Los Angeles Dawson Saddle, State Hwy #2, San Gabriel Mts 2439 Comment
  CDA5328  Cyclospermum leptophyllum T. C. Fuller 1975-6-13 20083 Los Angeles Southeast corner of Hilgard & Le Conte Avenues, Westwood. 0 Comment
  LA51593  Cyclospermum leptophyllum Mildred E. Mathias; 1961-6-7 Los Angeles Dry W facing bank in front yard of 442 South Bently, Los Angeles 49 Comment
  CAS-BOT-BC56159  Cylindropuntia echinocarpa Ira L. Wiggins 1937-3-10 8776 Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  PASA644  Cynodon dactylon Sally Ellis 1939-10-2 Los Angeles Claremont Comment
  LA105064  Cyperus eragrostis Barry A. Prigge; 1988-7-3 8205 Los Angeles Santa Monica Mountains, Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track 313 Comment
  RSA648704  Cyperus eragrostis Paul Neipp 1994-5-5 22 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  SBBG131510  Cyperus eragrostis S. A. Junak 1999-7-17 SCa 1068 Los Angeles W end of "Rig Field", plant stop 213 Comment
Read comments
Jul 28 2016
  CAS-BOT-BC114306  Cyperus esculentus George B. Grant 1902-5-1 245 Los Angeles Los Angeles. Comment
  RSA365089  Cyperus esculentus Louis Greata 1900-08 s.n. Los Angeles [Los Angeles] University. Comment
  SBBG127973  Cyperus odoratus M. L. Hoefs, S. A. Junak 1996-7-9 2719 Los Angeles Middle Ranch Reservoir, Middle Cyn 201 Comment
  RSA0089520  Cystopteris fragilis R. G. Swinney 2011-8-17 15622 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  UCR127372  Dactyloctenium aegyptium A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-6 25552 Los Angeles Santa Clara River Valley, north of Hwy 126 at Del Valle, between San Martinez Grande and S.M. Chiquito Canyons 274 Comment
  RSA748751  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon. 1341 Comment
  UCR202530  Datisca glomerata R. G. Swinney 2005-8-15 8477 Los Angeles Eastern San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, Punchbowl Canyon 1341 Comment
  SD90219  Datisca glomerata R. F. Thorne, M. Z. Thorne 1968-11-9 37858 Los Angeles Angeles National Forest, San Gabriel Mts, W slope of Mt. Islip 1830 Comment
  UCD126642  Datura wrightii Kenneth A. Wilson 1961-4-26 1161 Los Angeles Soledad Canyon, small burnt over canyon adjacent to Bee Canyon, north of River's End Ranch. Comment
  RSA127904  Daucus pusillus P. H. Raven, Henry J. Thompson 1959-5-5 14121 Los Angeles Mullholand Highway 1 mile W of Las Virgenes Road; Malibu Creek drainage. 274 Comment
  RSA470783  Daucus pusillus M. B. Dunkle 1931-4-22 2460 Los Angeles Avalon Canyon, Santa Catalina Island. Comment
  RSA714875  Daucus pusillus A. C. Sanders 2003-5-22 26819 Los Angeles San Gabriel Valley: long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel. 171 Comment
  RSA47077  Daucus pusillus L. C. Wheeler 1934-4-27 1934 Los Angeles Marshall Creek. 488 Comment
  SBBG105379  Deinandra fasciculata H. L. Ferguson 1979-6-12 4 Los Angeles San Clemente Island 215 Comment
  UCSB10380  Deinandra fasciculata McElwain, Isabelle 1953-5-16 Los Angeles 18000 Bull Canyon Rd., Granada Hills Comment
  RSA394501  Delphinium cardinale Bonnie C. Templeton 1939-6-23 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  CAS-BOT-BC9126  Delphinium cardinale Muriel F. Wheeler 1938-7-23 952 Los Angeles San Dimas Canyon Wash, 0.5 mile northeast of San Dimas County Park Comment
  POM254332  Delphinium cardinale Muriel F. Wheeler 1938-7-23 s.n. Los Angeles San Dimas Canyon Wash, 1/2 mile northeas of San Dimas County Park. Comment
  SD241938  Delphinium parishii R. G. Swinney 2009-5-12 10715 Los Angeles Transverse Range; San Gabriel Mountains: Alimony Ridge, 0.3 mile SE of junction of Alimony Ridge and Alimony Ridge Road (Juniper Hills 7.5'Q) 1253 Comment
  RSA600075  Delphinium parishii subsp. parishii Steve Boyd, Lauren Raz 1997-5-20 9830 Los Angeles Liebre Mountains region: ''Radio Tower Summit'' of Liebre Mountain on the divide between Horse Camp Canyon and Castaic Creek drainages. 1756 Comment
  RSA199194  Delphinium parryi Robert F. Thorne, D. Propst 1968-5-27 37645 Los Angeles Santa Catalina Islands. Upper Middle Ranch Canyon. 244 Comment
  SBBG77825  Delphinium parryi subsp. maritimum F. R. Fosberg 1932-5-5 8108 Los Angeles hill N of Avalon 40 Comment
  RSA398719  Delphinium parryi subsp. parryi Ralph Hoffmann 1930-5-3 s.n. Los Angeles Bouquet Canyon. Comment
  UCR189395  Delphinium patens R. G. Swinney 1998-5-30 6160 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Fern Canyon 890 Comment
  RSA400036  Delphinium patens subsp. hepaticoideum Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Mandeville Canyon 400 Comment
  RSA0030015  Delphinium patens subsp. montanum Robert M. Perkins 1937-4-2 301 Los Angeles San Gabriel Canyon. Comment
  UC1598365 Image available Delphinium variegatum subsp. kinkiense R. M. Beauchamp 1967-3-18 290 Los Angeles In canyon north of Nanny; San Clemente Island, Calif. 243 Comment
  UC625042  Dendromecon harfordii F. R. Fosberg 1931-5-21 S 4933 Los Angeles between Cherry Valley and Howland's Landing (bottom of small canyon below road); Santa Catalina Island 20 Comment
  UCSB11265  Dendromecon harfordii Hancock, Dan 1961-3-31 Los Angeles 1.4 miles No. of China wall on Catalina Island, 50 ft. W. of Coach Rd. Comment
  CAS-BOT-BC82910  Dendromecon rigida Saichi Kawahara 1968-4-9 139 Los Angeles Angeles National Forest. On Highway 2, 4 miles east of junction with Mount Wilson Observatory Road. 1310 Comment
  HSC16741  Dendromecon rigida C. S. Apperson 1967-6-28 Los Angeles 4 mi. up Sierra Pelona Rd. off of Bouquet Cyn. Rd. Comment
  PASA446  Dendromecon rigida Margaret Stason 1931-3-21 Los Angeles San Francisquito Canyon Comment
  SD253511  Dendromecon rigida R. G. Swinney 2011-5-19 14788 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), near entrance gate to camp, 0.54 mile at 84 degrees SSE of ct. of Colby Ranch Rd. and FSR 3N19, upper Colby Canyon. 1018 Comment
  SFV6194  Dendromecon rigida R. M. Muran 1974-3-24 46 Los Angeles Santa Monica Mountains Along Mulholland Drive around Rustic Canyon. 427 Comment
  UC1126374  Dendromecon rigida G. T. Nordstrom 1935-2-21 336 Los Angeles 1 3/4 mi se mouth of Fish Creek; Angeles National Forest, Tejon Quadrangle Comment
  UCR128159  Dendromecon rigida Mark A. Elvin, Cathleen Weigand 2003-5-22 2898 Los Angeles Western Transverse Range; Santa Susana Mtns., crest of mountains at head of Salt Canyon, Newhall Ranch 915 Comment
  UCSB18396  Dendromecon rigida Gerhart, Janet 1963-4-13 Los Angeles West Fork Road, 4 miles from intersection of U.S. Highway 2 and Mt. Wilson Road at Red Box 1036 Comment
  RSA199175  Dendromecon rigida subsp. rhamnoides Robert F. Thorne, Propst 1968-5-29 37695 Los Angeles Santa Catalina Island. On north slope of Black Jack Mountain at upper end Swain's Canyon toward Echo Lake. 396 Comment
  SEINET10476255  Dendromecon rigida subsp. rhamnoides Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4798 Los Angeles Santa Catalina Island; Catalina Conservancy Land, The James H. Ackerman Native Plant Nursery. In Middle Canyon, near Middle Ranch and Cape Canyon Trail. 10 miles west of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 230 Comment
  UCR255755  Descurainia sophia R. G. Swinney 2010-5-12 12720 Los Angeles San Gabriel Mountains/Mojave Desert, Palmdale, Barrell Springs Rd. from 150 to 300 meters SE of 42nd St. East, on W side of road along Palmdale Ditch (services Lake Palmdale from Little Rock Dam), San Andreas Rift Zone 921 Comment
  UCR201830  Dicentra chrysantha Scott D. White, Justin M. Wood 2008-10-7 12548 Los Angeles San Gabriel Mountains, west fork of the San Gabriel River, between Bear Creek and Rincon Red Box Road 220 Comment
  CAS-BOT-BC402259  Dicentra chrysantha Geo. B. Grant 1904-5-29 6283 Los Angeles Covina Wash Comment
  RSA37394  Dicentra ochroleuca George T. Hastings 1948-7-23 s.n. Los Angeles Santa Monica Mts, along Decker road 610 Comment
  POM97781  Dicentra ochroleuca H. E. Hasse 1889-07 s.n. Los Angeles Santa Monica Range. Comment
  JEPS64192  Dichelostemma capitatum Frank W. Peirson 1918-5-21 7 Los Angeles Arroyo Seco San Gabriel Mts. Comment
  SEINET13383410 Image available Dichelostemma capitatum R. G. Swinney 2010-1 11968 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 539 Comment
  CAS-BOT-BC499446  Dichelostemma capitatum M. B. Dunkle 1940-3-18 7419 Los Angeles Hillside, west end of Santa Barbara Island, Comment
  UCSB47298  Dichelostemma capitatum Kaplan, Lisa 1979-3-10 Los Angeles Crest Rd. 1 mile north of Ganado Dr., Rancho Palos Verdes 335 Comment
  UCR270154  Dichelostemma capitatum subsp. capitatum R. G. Swinney 2011-3-17 14116 Los Angeles San Gabriel Mountains, Glendora, north of Mull Canyon debris basin 366 Comment
  RSA658888  Dichelostemma capitatum subsp. capitatum Geraldine Dodd 1992-5-25 18 Los Angeles 3.5 miles north of corner of Mira Monte Ave. & Mt. Wilson Trail Dr. in Sierra Madre. San Gabriel Mtns. 793 Comment
  SEINET10533939  Dichelostemma pulchellum Reid Moran 1941-2-17 Moran 580 Los Angeles West slope of arroyo, Middle Ranch, San Clemente Island, Calif. 500 Comment
  UC61705  Dieteria canescens var. canescens Geo. R. Hall 1904-9-1 Los Angeles Swartout Canyon San Antonio Mts. 2133 Comment
  SEINET13693637  Diplacus aurantiacus G. B. Grant 1904-5-24 286 Los Angeles Altadena. Comment
  CAS-BOT-BC150643  Diplacus longiflorus Alice Eastwood 1919-5-29 8987 Los Angeles San Gabriel Canyon Comment
  SBBG98432  Diplacus parviflorus T. Ross, O. Mistretta, M. Hammitt 1991-5-19 5293 Los Angeles W fork of Near-Death Cyn, draining to Mosquito Cove (drainage beginning 800 ft N of Rest; 1800 ft SE of Malo Knoll; upper portion of drainage 274 Comment
  CHSC1783  Diplacus rutilus E. Thomas 1940-4-12 Los Angeles Brea Canyon near Pomona. Comment
  SEINET8409819  Diplacus rutilus Carl B. Wolf 1936-4-24 7772 Los Angeles base of Santa Susana Pass. Comment
  SEINET10864560  Distichlis spicata var. stolonifera G. B. Grant 1904-6-5 Grant 289 Los Angeles Redondo. Comment
  RSA461486  Dodecatheon clevelandii John E. Marble 1894-3-22 s.n. Los Angeles West Los Angeles. Comment
  RSA608346  Dodecatheon clevelandii Louis C. Wheeler 1930-3-15 14 Los Angeles Mandeville Canyon. Comment
  SEINET8561450  Dodecatheon clevelandii G. B. Grant 1904-1 304 Los Angeles Pasadena. Comment
  SBBG98331  Dodecatheon clevelandii subsp. clevelandii P. A. Munz 1919-3-8 2293 Los Angeles Pomona Comment
  POM20901  Drymocallis glandulosa var. reflexa Fordyce Griffiths Jr. 1917-7-8 s.n. Los Angeles San Gabriel Mountains, Barley flats. 1707 Comment
  UC212320  Drymocallis glandulosa var. viscida I. M. Johnston 1918-7-6 2072 Los Angeles Prairie Fork of San Gabriel River San Antonio Mountains, Prairie Fork San Gabriel River (along stream) 2438 Comment
  RSA729425  Drymocallis lactea var. lactea R. G. Swinney 1998-7-14 6430 Los Angeles Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine. Spring and meadow surrounded by montane coniferous forest; area burned in summer 1997. 2195 Comment
  UC811823  Dryopteris arguta I. W. Clokey and E. G. Anderson 1935-5-9 6502 Los Angeles San Dimas Canyon Comment
  RSA650211  Dryopteris arguta Robert Wade 1949-2-19 s.n. Los Angeles Trunbull canyon, no. of Puente. 304 Comment
  RSA693709  Dryopteris arguta M. B. Dunkle 1936-3-28 4711 Los Angeles Silverado Canyon, Santa Catalina Island. Comment
  UC1594373  Dryopteris arguta Tim Ross 1992-4-14 6166 Los Angeles mouth of Nanny Canyon (central E side of island); San Clemente Isl. 179 Comment
  UCD101943  Dudleya Anju K. Riar 1992-5-23 5 Los Angeles Mt. Baldy. 914 Comment
  SEINET12218615  Dudleya caespitosa J. F. Bright, Wyman, C. 1931-1 5831 Los Angeles on the coast at Manhattan Beach Comment
  RSA306652  Dudleya cymosa subsp. pumila Henry J. Ramsey, Henry J. Ransey 1937-7-18 1503 Los Angeles Soldiers Creek. Comment
  RSA423524  Dudleya densiflora Erwin Miller 19243 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  UC830958  Dudleya densiflora I. W. Clokey 1943-6-6 Los Angeles San Gabriel Canyon Comment
  SDSU5790  Dudleya densiflora D. F. Howe 1959-6-21 2721 Los Angeles 1 mi. north of the mouth of San Canyon, on a cliff, San Gabriel Mts. Comment
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Dec 5 2014
  UC1593824  Dudleya virens Jim Dice, Rowena Thompson and Bob Thompson 1983-6-7 350 Los Angeles 0.6 mi s Palos Verdes Dr South (se of Portuguese Bend, on cliff above ocean); Palos Verdes Hills Comment
  UCSB8521  Dudleya virens McElwain, Isabelle 1953-5-2 Los Angeles White's Landing, Catalina Island Comment
  UCR259382  Dysphania botrys R. G. Swinney 2010-4-20 12279 Los Angeles San Gabriel Mountains, Pacoima Wash, 0.2-0.4 miles north of Gavina Ave., near east end of Wallabi Ave. 433 Comment
  UCD60875  Echinochloa crus-galli Beecher Crampton 1965-10-27 7587 Los Angeles Ca. 2.6 miles s.w. of Saugus, US Hwy 99-Interstate 5. Comment
  PASA1876  Echinocystis macrocarpa Annetta Carter 1928-12-29 Los Angeles Base of Sierra Madre Mts. Comment
  RSA699824  Ehrharta erecta R. E. Riefner 2000-8-29 0 -764 Los Angeles La Tuna Canyon, N of La Tuna Canyon Rd., along La Tuna Creek S of 210 Freeway and approx. 1.5 mi W of Freeway intersection. 462 Comment
  UCR143934  Ehrharta erecta A. C. Sanders, Lee Jones 2004-11-7 29023 Los Angeles San Fernando Valley, site called Lookout Gates on topo, 1 mile NE of Chatsworth at foot of Santa Susana Mtns., 5 acre estate proposed for conversion to private high school (Sierra Canyon H.S.), west of the north end of Lurline Ave, N of Nashville St., just south of 118 Fwy 351 Comment
  CAS-BOT-BC227185  Ehrharta longiflora Scott D. White; Justin Wood 2008-5-8 11943 Los Angeles Puente / Chino Hills: SCE powerline corridor near Skyline Dr., and E of Hacienda Blvd.; Hacienda Heights 335 Comment
  LA15829  Eleocharis montevidensis A. M. Johnson; 1928-4-7 294 Los Angeles SANTA MONICA MOUNTAINS, Los Angeles River, Griffith Park Comment
  RSA533910  Eleocharis palustris Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5182 Los Angeles San Clemente Island; SE end of island in the vicinity of Knob, 5100 ft NW of Guds. About 250 feet SSE of Knob, approaching Knob Canyon 282 Comment
  RSA729410  Eleocharis parishii R. G. Swinney 1999-6-21 7363 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  RSA732911  Eleocharis parishii R. G. Swinney 1997-6-19 5613 Los Angeles San Gabriel Mtns.: Jackson Lake, west of Wrightwood. 1872 Comment
  SEINET6794808 Image available Elymus R. G. Swinney 2008-1 9133 Los Angeles San Gabriel Mtns; north of Buckhorn Flat campgrounds at Burkhart Saddle Trailhead, bottom of Buckhorn Canyon. 1939 Comment
  LA91447  Elymus condensatus Bruce Douglas Clayton; Greg Shaw 1972-4-1 47 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus, Shovel Spring. 502 Comment
  RSA0094389  Elymus condensatus Richard G. Swinney 2011-5-31 14934 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  UCR180185  Elymus condensatus R. G. Swinney 1967-6-25 159 Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Big Dalton Canyon 488 Comment
  UCR223075  Elymus elymoides R. G. Swinney 2009-5-13 10780 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  UCR150454  Elymus glaucus R. G. Swinney 1999-6-21 7347 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  UCR270686  Elymus glaucus R. G. Swinney 2011-8-17 15646 Los Angeles San Gabriel Mountains, unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring 2378 Comment
  CAS-BOT-BC206769  Elymus glaucus subsp. glaucus Louis C. Wheeler 1936-6-12 4153 Los Angeles Monroe Canyon, San Gabriel Mts. 548 Comment
  RSA573744  Elymus glaucus subsp. jepsonii Timothy S. Ross 1992-7-17 6727 Los Angeles San Gabriel Mountains: W of the summit of Condor Peak. 1588 Comment
  UCR272967  Elymus glaucus subsp. virescens R. G. Swinney 2011-7-29 15578 Los Angeles San Gabriel Mountains, Lily Spring, water flowing down a ravine (north) toward Hwy 2, north slope of Mt. Hawkins 2454 Comment
  UCR142888  Elymus glaucus var. glaucus L. C. Wheeler 1936-6-12 4153 Los Angeles San Gabriel Mtns, Monroe Canyon 549 Comment
  SEINET4674720  Elymus hispidus Tim Ross, Walter Appleby 1993-5-19 7172 Los Angeles Western San Gabriel Mtns: ca 120 m ESE of Wilson Canyon Saddle along old Forest Service loop road; San Fernando 7.5' USGS quad.; 0 960 Comment
  UCR255796  Emmenanthe penduliflora R. G. Swinney 2010-4-20 12307 Los Angeles San Gabriel Mountains, north of Pacoima, lower Loop Canyon from north end of Veterans Memorial Park to 0.3 miles upstream 549 Comment
  UCR276936  Emmenanthe penduliflora R. G. Swinney 2010-5-21 12848 Los Angeles San Gabriel Mountains, unnamed ridgetop (summit 4322 ft.), 0.7 air miles due east of Angeles Forest Hwy., east of Kentucky Springs Canyon, 1.35 air miles due north of jct. of Angeles Forest Hwy. and Mt. Emma Rd. 1318 Comment
  RSA401565  Emmenanthe penduliflora var. penduliflora M. B. Dunkle 1933-7-11 3639 Los Angeles Upper San Gabriel Canyon above dams. Cold Brook camp. Comment
  RSA82725  Emmenanthe penduliflora var. penduliflora P. A. Munz 1925-4-23 9455 Los Angeles San Gabriel Canyon. 488 Comment
  UC31398  Encelia actoni J. Burtt Davy May 9 1896-May 24 1896 2643 Los Angeles Leonis Valley Antelope Valley, Leonis Valley Comment
  CAS-BOT-BC131195  Encelia californica Le Roy Abrams 1901-4-11 1486 Los Angeles Santa Monica Mts., Santa Monica [Canon] Canyon Comment
  CAS-BOT-BC131207  Encelia californica Catherine A. Toschi 1963-4-5 63 :99 Los Angeles 4 miles northwest Topanga 304 Comment
  POM356643  Encelia californica M. B. Dunkle 1939-4-5 7280 Los Angeles Pyramid Cove, San Clemente Island. Comment
  POM356650  Encelia californica Ora M. Clark 1929-1-16 1478 Los Angeles Elyssian park, L.A. Comment
  POM4940  Encelia californica D. L. Crawford, H. D. Hiatt 1916-3-28 575 Los Angeles Santa Monica Mountains. Comment
  RSA210981  Encelia californica C. W. Tilforth 1969-4-1 199 Los Angeles W of Colima Ave, N of Whittier. Comment
  SBBG12895  Encelia californica E. R. Blakley 1962-10-4 5409 Los Angeles SE side of the Isthmus Cove, near beach 1 Comment
  UCR195288  Encelia californica Valerie Soza, LeRoy Gross, B. Hogshead 2001-4-18 1169 Los Angeles Transverse Ranges: Verdugo Mountains Region, ridgetop above McDonald Creek 518 Comment
  UCR205978  Encelia farinosa var. farinosa A. C. Sanders, T. B. Salvato 2009-5-29 37049 Los Angeles San Gabriel Valley, Irwindale on west side of Santa Fe Dam, west edge of the 605 Fwy north of Arrow Hwy and south of where the the freeway crosses the NW end of the dam 137 Comment
  SEINET12090185  Enemion occidentale L. M. Mayer, Mayer, I. J. 1974-1 159 Los Angeles 1 mi E of Bouquet Canyon Rd. on Sierra Pelona Rd. up 50 yds Comment
  RSA785486  Ephedra Doris Bowers 1957-4-25 38 Los Angeles Mojave Desert N/o Big Pines 1220 Comment
  CAS-BOT-BC81508  Ephedra californica Ynez Whilton Winblad 1941-6-4 s.n. Los Angeles Antelope Valley. Between Lancaster and highway 99 Comment
  CAS-BOT-BC81829  Ephedra nevadensis Lewis S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 822 Comment
  NY579267  Ephedra nevadensis S. R. Hill 2001-4-22 33367 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 3.3 miles west of Highland Street (25th Street West), west of Palmdalle. Vicinity of Armagosa Creek 853.4 Comment
  OBI2903  Ephedra nevadensis Lewis S. Rose 1968-4-5 68014 Los Angeles Acton, Mojave Desert 823 Comment
  RSA506823  Ephedra nevadensis L. C. Wheeler 1967-5-12 9416 Los Angeles San Gabriel Mountains: Hunt Canyon, 3 miles E of Vincent. 1067 Comment
  RSA563981  Ephedra nevadensis D. Charlton 1992-5-18 s.n. Los Angeles 1 mile north of Redman on southern boundary of Edwards AFB, Western Mohave Desert. 716 Comment
  SBBG32264  Ephedra nevadensis L. S. Rose 1968-4-5 68013 Los Angeles Acton 822 Comment
  UCR269957  Ephedra nevadensis R. G. Swinney 2010-5-12 12727 Los Angeles San Gabriel Mountains, Barrell Springs Road at jct. with 42nd St. East, on SW side of road from 30 to 150 meters west of 42nd, NE side of Palmdale Ditch, San Andreas Rift Zone 921 Comment
  RSA249745  Ephedra viridis Robert F. Thorne 1973-5-11 43499 Los Angeles Bob s Gap, Holcomb Ridge. 1220 Comment
Read comments
Jan 19 2017
  RSA0048548  Ephedra viridis Nancy Anderson 1955-5-11 s.n. Los Angeles Big Rock Creek, south of Big Pines Rd. Comment
  UCR182761  Epilobium R. G. Swinney 1997-7-23 5733 Los Angeles San Gabriel Mtns, upper Government Canyon, c. 2 miles west of Wrightwood, Blue Ridge Mtn. area 2378 Comment
  POM2974  Epilobium canum subsp. canum Fordyce Grinnell Jr. 1917-8-12 s.n. Los Angeles San Gabriel Mountains, Big Santa Anita Canyon. 1128 Comment
  POM2976  Epilobium canum subsp. canum L. T. Street 1918-11-3 s.n. Los Angeles San Jose Hills. Comment
  SDSU8892  Epilobium canum subsp. canum Harvey 1938-8-7 2201 Los Angeles Near Malibu. Comment
  UC1122313  Epilobium canum subsp. canum A. D. Gifford 1935-1-7 405 Los Angeles 6 1/2 mi ese Whitaker Pk. (near plot #102); Tejon Quadrangle Comment
  LA82406  Epilobium canum subsp. canum O. H. Kappler; 1943-6-20 503 Los Angeles Comment
  UCR259171  Epilobium ciliatum R. G. Swinney 2010-6-23 13359 Los Angeles San Gabriel Mountains/Verdugo Mountains, Hansen Dam Flood Control Basin, along Big Tujunga Wash, SW of Orcas Park, Lake View Terrace 335 Comment
  RSA311282  Epilobium ciliatum subsp. ciliatum Robert F. Thorne, M. Z. Thorne 1969-7-9 38583 Los Angeles San Gabriel Mountains, Angeles National Forest: Big Pines. 2073 Comment
  UCR270233  Epilobium ciliatum subsp. ciliatum R. G. Swinney 2011-6-30 15396 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA729557  Epilobium glaberrimum subsp. glaberrimum R. G. Swinney, D. W. Larson 1999-7-21 7561 Los Angeles San Gabriel Mtns.: upper Fern Canyon, San Dimas Experimental Forest, 200m below Fern Dam #1, NE Browns Flat. 1341 Comment
  RSA724618  Epipactis gigantea K. Dobry 1991-5-18 606 Los Angeles Cold Creek Cyn. Santa Monica Mts at Lower Cold creek Presv Comment
  SEINET6166317  Epipactis gigantea G. B. Grant June 1904 404 Los Angeles Eagle Rock Canyon, Pasadena Comment
  CAS-BOT-BC57173  Equisetum hyemale subsp. affine I. Johnston 1917-5-13 271 Los Angeles El Monte 121 Comment
  RSA588078  Equisetum hyemale var. affine Orlando Mistretta, Timothy S. Ross 1994-6-1 1299 Los Angeles San Gabriel mountains, Santiago Canyon 1613 Comment
  RSA0036157  Equisetum laevigatum Guy C. Black 1948-4-23 s.n. Los Angeles 3 1/2 Mi. North E. of San Dimas. 213 Comment
  SD81411  Equisetum laevigatum Louis C. Wheeler 1931-7-12 Los Angeles San Antonio Mountains, San Dimas Canyon 455 Comment
  CAS-BOT-BC57757  Equisetum telmateia Louis C. Wheeler 1932-3-17 505 Los Angeles At Los Feliz Blvd., Los Angeles River. 121 Comment
  SEINET6031848  Equisetum telmateia G. B. Grant 406 Los Angeles Pasadena Comment
  LA47630  Equisetum telmateia subsp. braunii Henry J. Thompson; 1960-6-7 3069 Los Angeles SANTA MONICA MOUNTAINS, Malibu Canyon, in deep side canyon ca 0.4 mi S of tunnel, 1.6 mi S of Tapia Park. 152 Comment
  RSA161118  Eragrostis cilianensis P. H. Raven 1961-9-24 16751 Los Angeles Bouquet Reservoir at east end 915 Comment
  RSA794889  Eragrostis cilianensis Justin M. Wood, Brandy Wood 2010-10-16 2941 Los Angeles City of Pomona: California State Polytechnic University, Pomona. Just southwest of intersection of Temple and Campus, just north of the Farm Store. 213 Comment
  CAS-BOT-BC204584  Eragrostis mexicana subsp. virescens Peter H. Raven; Henry J. Thompson 1959-10-31 14721 Los Angeles Santa Monica Mountains (Lat. N. 34 deg. ; Long. 118 deg. to 119 deg. W). Mandeville Canyon just north of Sunset Boulevard 167 Comment
  RSA597976  Eragrostis mexicana subsp. virescens L. C. Wheeler 1947-5-31 6509 Los Angeles Arrow Highway north of Baldwin Park (Santa Fe Inn). Comment
  RSA585073  Eragrostis pectinacea var. pectinacea L. C. Wheeler 1931-9-11 131 Los Angeles 2 mi. NE La Verne 373 Comment
  UCR141031  Eremalche exilis June Latting 1973-4-21 s.n. Los Angeles Mojave Desert, near the Three Sisters hills, Antelope Valley, NE of Llano 976 Comment
  RSA127803  Eremocarpus setiger P. H. Raven, Henry J. Thompson 1959-9-18 14427 Los Angeles Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA0104859  Eriastrum densifolium subsp. austromontanum Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8884 Los Angeles Liebre Mountains, along summit of Liebre Mountain, east of the head of Bear Canyon, at the intersection of dirt track leading to Bear Camp and 7N23. 1646 Comment
  RSA0106908  Eriastrum densifolium subsp. austromontanum R. G. Swinney 1998-9-4 6896 Los Angeles San Gabriel Mtns.; dry lake, SW of Wrightwood, Blue Ridge, 0.4 mi east of Hwy 2 on 3N06. 2241 Comment
  RSA0104656  Eriastrum densifolium subsp. austromontanum Fordyce Grinnell Jr. 1917-7-29 s.n. Los Angeles Mt. Wilson; San Gabriel Mts. 1795 Comment
  SEINET2473461 Image available Eriastrum sapphirinum Richard G. Swinney 2009-1 10704 Los Angeles Transverse Range; San Gabriel Mtns.; Azusa, San Gabriel River 0.1 mi. north of San Gabriel River Bike Path parking lot at Hwy 39 junction 226 Comment
  UC1302324  Eriastrum sapphirinum Peter H. Raven and Robert F. Thorne 1964-5-7 19018 Los Angeles near Seminole Hot Springs (edges of fire break); Santa Monica Mountains, Saddle Rock Ranch Comment
  RSA0122855  Eriastrum sapphirinum subsp. brevibracteatum J. Mark Porter, Lauren Machen 2004-5-2 14086 Los Angeles San Gabriel Mountains, northern foothills; along Largo Vista Road, just S of the California Aqueduct. 1061 Comment
  UCR197177  Eriastrum sapphirinum subsp. dasyanthum Valerie Soza, LeRoy Gross 2001-5-9 1196 A Los Angeles Transverse Ranges: Verdugo Mountains, Southern San Rafael Hills, south of mouth of Scholl Canyon, west end of Valle Vista fire road, ridgetop north of Hwy 134 274 Comment
  UCSB5010  Eriastrum sapphirinum subsp. dasyanthum Wedberg, H. 1958-7-15 Los Angeles Mulholland Hwy. between Topanga Cyn. and Beverly Glen, Santa Monica Mtns. Comment
  CAS-BOT-BC286764  Ericameria cuneata var. cuneata Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-25 3789 Los Angeles San Gabriel Mountains. Vicinity of Crystal Lake 1700 Comment
  CAS-BOT-BC286887  Ericameria ericoides Ernest Braunton 1902-10-1 701 Los Angeles Ballona Comment
  RSA599667  Ericameria linearifolia Steve Boyd, Lauren Raz 1997-5-1 9686 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SD42006  Ericameria linearifolia Darley F. Howe 1947-5-5 Los Angeles North side San Gabriel Mountains. Comment
  UCD131402  Ericameria linearifolia Lewis S. Rose 1968-4-4 68016 Los Angeles Sacton, Mojave Desert. 822 Comment
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Jan 20 2015
  UCR270012  Ericameria linearifolia R. G. Swinney 2010-6-1 13123 Los Angeles San Gabriel Mountains, lower west side of Carson Mesa, 0. 8 miles south of Pearblossom Hwy., 0.35 miles east of Angeles Forest Hwy on north side of dirt service rd. 1037 Comment
  SD244581  Ericameria nauseosa David Keil 1986-9-27 19739 2 Los Angeles Along I-5, just s of Hungry Valley Rd exit. Roadside pullout. 914 Comment
  CAS-BOT-BC298885  Ericameria nauseosa var. bernardina F. Grinnell Jr. 1917-8-30 s.n. Los Angeles Buckhorn Canyon, San Gabriel Mts Comment
  CAS-BOT-BC298890  Ericameria nauseosa var. bernardina H. M. Hall 1930-11-2 12989 Los Angeles Blue Ridge, San Antonio Mts Comment
  UC203164  Ericameria nauseosa var. oreophila H. M. Hall 1917-10-27 10582 Los Angeles bet. Drylake and Lancaster Comment
  UCR162780  Ericameria palmeri J. R. Ekhoff 1999-9-28 s.n. Los Angeles South Coast, Long Beach 30 Comment
  RSA547467  Ericameria parishii var. parishii Timothy S. Ross, Orlando Mistretta 1992-7-24 6742 Los Angeles NNE of Strawberry Peak between Colby Ranch and W branch of Wickiup Cyn stream 1207 Comment
  CAS-BOT-BC293132  Ericameria pinifolia B. 1903-8-1 4076 Los Angeles Claremont Comment
  RSA656969  Ericameria pinifolia D. Roche 1998-5-31 46 Los Angeles Mt. Baldy Road 1.31 miles from intersection of Mills Ave. and Mt Baldy Rd. 573 Comment
  RSA702194  Ericameria pinifolia Scott D. White, Pam De Vries 2004-5-18 10403 Los Angeles Eastern Santa Susana Mtns. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. 396 Comment
  RSA764413  Ericameria pinifolia Justin M. Wood 2009-8-18 1254 Los Angeles City of Claremont: Bernard Field Station; NW corner of Mills Ave and Foothill Blvd. 390 Comment
  SFV20802  Ericameria pinifolia L. Gross, V. Soza, N. Gilbert 2000-10-18 285 Los Angeles Verdugo Mountains Verdugo Mountainway west of Hostetter Mountainway. Open area near road on north side of main crest, below some radio facility near above coordinates. 915 Comment
  RSA756952  Ericameria pinifolia Orlando Mistretta, Christine Mistretta 2008-4-17 2477 Los Angeles Southern California transmission line tower (Segment 6, Structure 24 per TRTP survey 2008), vicinity of Aliso Cyn, W of the Angeles Forest Hwy. 1301 Comment
  SBBG51701  Erigeron bonariensis M. R. Benedict 1971-6-25 Los Angeles Wilson Cove Comment
  UCR189716  Erigeron breweri R. G. Swinney 1998-7-27 6492 A Los Angeles San Gabriel Mtns., Dry Lake, south of Sunset Peak at head of Dry Lake Canyon 1515 Comment
  UCD131905  Erigeron foliosus Daryl Koutnik 1978-6-24 552 Los Angeles Way Hill along Gladstone Avenue, San Dimas. 304 Comment
  UCR192817  Erigeron foliosus Dan S. Cooper 2008-4-21 s.n. Los Angeles Western Transverse Range, mesa along north side of Santa Clara River, 1 km west of Sand Canyon Rd., Santa Clarita 470 Comment
  CAS-BOT-BC296167  Erigeron foliosus var. foliosus F. Grinnell Jr. 1911-8-15 s.n. Los Angeles Mt. Wilson 1794 Comment
  SBBG14462  Erigeron foliosus var. foliosus H. and M. Dearing 1944-10-5 5899 Los Angeles Chilao 1524 Comment
  CAS-BOT-BC296173  Erigeron foliosus var. foliosus G. B. Grant 190__ s.n. Los Angeles Monrovia Comment
  UCR281722  Erigeron foliosus var. franciscensis Neil Uelman 2017-6-23 s.n. Los Angeles Palos Verdes Peninsula, Malaga Canyon, along Malaga Canyon Trail 189 Comment
  CAS-BOT-BC295960  Erigeron philadelphicus I. Johnston 1917-5-13 1020 Los Angeles El Monte 83 Comment
  POM357559  Erigeron philadelphicus Anstruther Davidson 1890-05 2017 Los Angeles San Gabriel [River] near El Monte Comment
  SEINET3146649  Erigeron pumilus var. intermedius M. E. Jones 1897-6-18 sn Los Angeles Chat. [perhaps Chatsworth in Los Angeles Co.?] 1524 Comment
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Dec 18 2015
  LA205606  Eriodictyon crassifolium C. L. Hogue; 1954-5-1 sn Los Angeles Angeles National Forest, near Singing Springs, Palmdale cut-off Comment
  SEINET12315364  Eriodictyon crassifolium C. V. Braun 1974-1 13 Los Angeles ca 1.5 mi W of Newhall Exit, Interstate 5 Comment
  UCR114189  Eriodictyon crassifolium var. nigrescens A. C. Sanders, D. Malueg 1998-6-24 22070 Los Angeles San Gabriel Mtns., E of Big Tujunga Dam below Hwy 2 (Angeles Crest) and above Tujunga Cyn. Rd., ridge above Josephine Creek, So. Cal. Edison Mesa-Vincent transmission line at tower 13-2 976 Comment
  RSA0110530  Eriodictyon trichocalyx R. G. Swinney 2011-6-15 15203 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA658405  Eriodictyon trichocalyx R. Aguayo 1992-5-22 3 Los Angeles 13.5 mi. north of Interstate 210 in Azusa on Sate Hwy. 39 to gated road along West Fk. San Gabriel Riv. 0.3 mi. west of gate, roadside. 884 Comment
  RSA0135658  Eriogonum David E. Bramlet 2016-6-2 5311 Los Angeles Mt. Emma Road, 3,900 ft. northeast of Angeles Forest Highway, 6,000 ft. east of Kentucky Springs & 3,640 ft. south of BP&L Road. Northwest facing slope of Mt. Emma. 1209 Comment
  UCR223746  Eriogonum R. G. Swinney 2009-6-17 11167 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
  RSA226034  Eriogonum angulosum Robert F. Thorne, C. W. Tilforth 1971-6-29 40673 Los Angeles San Gabriel Mountains, Angeles National Forest: ca. 1/2 mi W of Soledad near mouth of Kentucky Springs Canyon 945 Comment
  UCR269582  Eriogonum baileyi R. G. Swinney 2011-6-29 15362 Los Angeles San Gabriel Mountains, Mill Creek, from 50 to 300 meters downstream (south) from Monte Cristo Campground 1082 Comment
  CAS-BOT-BC241586  Eriogonum baileyi var. baileyi Ernest C. Twisselmann 1955-8-10 2331 Los Angeles San Emigdio Range. Upper Castaic Valley 1226 Comment
  POM158209  Eriogonum baileyi var. baileyi P. A. Munz, I. M. Johnston 1928-9-4 11175 Los Angeles San Gabriel Mountains: Rock Creek 1159 Comment
  UC1375329  Eriogonum baileyi var. baileyi Robert F. Thorne and C. W. Tilforth 1971-6-29 40666 Los Angeles near junction of Angeles Forest and Mt. Emma Roads; San Gabriel Mts., Angeles National Forest 1127 Comment
  CAS-BOT-BC241571  Eriogonum baileyi var. baileyi Dr. Davidson 1897-1-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  RSA0106197  Eriogonum baileyi var. praebens Scott D. White, Andrea Warniment 2005-9-9 11217 Los Angeles Tehachapi Mountains: Oso Canyon, ca. 1-2 air miles N. of Quail Lake. 1006 Comment
  LA52297  Eriogonum cinereum W. O. Griesel; 1936-5-16 52297 Los Angeles Santa Monica Mountains, Topanga Canyon 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
  CAS-BOT-BC242774  Eriogonum davidsonii Le Roy Abrams 1901-7-1 1889 Los Angeles West Fork of San Gabriel Riv. Comment
  RSA0096801  Eriogonum davidsonii R. G. Swinney 2011-9-27 15699 Los Angeles San Gabriel Mountains: Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2354 Comment
  UC284248  Eriogonum davidsonii P. A. Munz 1923-8-31 7675 Los Angeles ridge s Swartout Valley; San Gabriel Mts. 2590 Comment
  UCR193671  Eriogonum davidsonii R. G. Swinney 1999-6-28 7421 Los Angeles San Gabriel Mtns./Mojave Desert, east fork of Puzzle Canyon, near old [abandoned] homesite at 2800 Deep Creek Cyn. Rd. 1402 Comment
  SDSU6580  Eriogonum elongatum R. M. Beauchamp 1966-8-10 63 Los Angeles Growing beside the Topanga Canyon Blvd, in Topanga Canyon Comment
  UC72559  Eriogonum elongatum var. elongatum Dr. J. Q. Adams Sept. 1905 Los Angeles near Soldier's Home; Los Angeles Comment
  UC72678  Eriogonum elongatum var. elongatum Pupils of Los Angeles High School under Miss E. Palmer May 1901 Los Angeles Claremont Comment
  RSA279040  Eriogonum elongatum var. elongatum Robert F. Thorne 1971-4-23 41481 Los Angeles Angeles National Forest; NE of Chantry Flats along Santa Anita Creek. 549 Comment
  OBI44791  Eriogonum fasciculatum David J. Keil, V. L. Holland, Michael Stile, and Francis Villablanca 1987-5-1 20050 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  RSA650856  Eriogonum fasciculatum K. C. Zakar 1969-08 s.n. Los Angeles Mt. Hollywood Road, Griffith Park. 305 Comment
  SDSU6557  Eriogonum fasciculatum Gerald Collier 1951-5-15 Los Angeles Sunset Blvd. 3 miles west of UCLA campus. Near Beverly Polo Grounds. Comment
  RSA778909  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-6-17 11213 Los Angeles Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  RSA393408  Eriogonum fasciculatum var. foliolosum C. R. Parks 1963-2-9 126 Los Angeles San Gabriel Mountains: near Hoegees Campground on Winter Creek, above Chantry Flats in Santa Anita Canyon; north of Arcadia 1067 Comment
  RSA584673  Eriogonum fasciculatum var. foliolosum Tim S. Ross, Annette H. Ross 1991-6-3 5549 Los Angeles San Jose Hills: undeveloped slopes west of California State Polytechnic University, Pomona. 274 Comment
  RSA653900  Eriogonum fasciculatum var. foliolosum Valerie L. Soza, Shalini Deo, Stephen Dreher 2000-4-27 818 Los Angeles Verdugo Mountains, south side: Stough Canyon, along Stough Canyon Avenue (Walnut Avenue) before gate to nature center, W of De Bell Municipal Golf Course. 396 Comment
  UC72022  Eriogonum fasciculatum var. foliolosum Miss E. D. Palmer 1904-10-2 Los Angeles Arcadia Comment
  RSA393377  Eriogonum giganteum var. giganteum M. B. Dunkle 1928-5-27 1972 Los Angeles Hamilton Canyon; San Clemente Island 15 Comment
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Jun 5 2014
  SBBG128371  Eriogonum giganteum var. giganteum M. L. Hoefs 1973-5-21 295 Los Angeles rd on point past Pebbly Beach Cyn, by old dump 30 Comment
  SEINET3159963  Eriogonum giganteum var. giganteum G. B. Grant 1906-9-1 443 Los Angeles at Santa Catalina Island, off southern California Comment
  UC1735813  Eriogonum gracile var. gracile Dean W. Taylor 1989-12-9 10597 Los Angeles Castaic Creek, S of Castaic, 0.3 miles S of Tapia Canyon Road, 426 Comment
  RSA567258  Eriogonum gracile var. gracile Tim S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3869 Los Angeles Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon. 1473 Comment
  CAS-BOT-BC261096  Eriogonum gracillimum James L. Reveal 1988-5-17 6798 Los Angeles Antelope Valley, along G Street 0.2 mile east of G Street on teh south side of teh highway and General W.J. Fox Airport, about 5.5 air miles west-northwest of Lancaster 731 Comment
  RSA487211  Eriogonum gracillimum James L. Reveal 1988-5-17 6798 Los Angeles Antelope Valley, along 60th Avenue 0.2 mile east of G St., in the south side of the highway and General W.J. Fox Airport, about 5.5 air miles west-northwest of Lancaster 732 Comment
  SD92012  Eriogonum grande var. grande Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-22 22670 Los Angeles on cliff above sea, east side 1 mile south of Wilson's Cove, San Clemente Island 35 Comment
  UCR281153  Eriogonum maculatum R. G. Swinney 2014-4-30 16249 Los Angeles San Gabriel Mountains, 3.8-4.0 miles south of Hwy. 138, c. 100 meters west of Largo Vista Road toward ridge 1387 Comment
  RSA20380  Eriogonum mohavense Roxana S. Ferris, Ruth P. Rossbach 1938-5-13 s.n. Los Angeles 16 miles from Lancaster on the Muroc Rd. Comment
  UCSB1464  Eriogonum nudum Hoffmann, Ralph 1927-6-8 Los Angeles Ridge Route near Sandberg's Comment
  RSA596989  Eriogonum nudum var. pauciflorum Steve Boyd, Lauren Raz 1996-9-24 8963 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  RSA393608  Eriogonum nudum var. pauciflorum H. de Forest 1932-10-16 s.n. Los Angeles Barley Flats. San Gabriel Mountains, Angeles National Forest. Comment
  RSA594298  Eriogonum plumatella Steve Boyd, Lauren Raz 1996-10-14 9063 Los Angeles Liebre Mountains region, Anaverde Valley near the north base of Ritter Ridge, west of Palmdale, along Tierra Subida Road 0.5 miles south of the intersection with Avenue S. 927 Comment
  SBBG120  Eriogonum plumatella R. Hoffmann 1927-8-31 Los Angeles Acton to Palmdale Comment
  RSA729485  Eriogonum pusillum R. G. Swinney 1999-6-21 7367 Los Angeles Big John Flat. Flat area with coarse sandy granitic gravel. 1622 Comment
  RSA646123  Eriogonum pusillum Orlando Mistretta 1993-5-10 830 Los Angeles San Gabriel Mountains: Big Pines Highway. 1326 Comment
  RSA755175  Eriogonum pusillum Robert F. Thorne, Walter Wisura, Suzanne Granger, Pamela Burton 1982-4-20 54982 Los Angeles 1/4-1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  UC77709  Eriogonum roseum C. A. Purpus 40068 Los Angeles Bear Creek 609 Comment
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Mar 8 2013
  RSA424903A  Eriogonum saxatile H. E. Hasse, Anstruther Davidson 1906-6-1 1615 Los Angeles Big Rock Creek. Comment
  RSA522585  Eriogonum saxatile David Keil, V. L. Holland, Michael Stiles, Francis Villablanca 1987-5-1 20047 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Rock Reservoir. Comment
  UCR256549  Eriogonum thurberi Anuja Parikh, Nathan Gale 2011-6-18 3487 Los Angeles Transverse Range: San Gabriel Mountains, Aliso Canyon, 1.4 km west of Angeles Forest Hwy, 0.1 km south of Aliso Canyon Road 1112 Comment
  CAS-BOT-BC262858  Eriogonum thurberi Carl Epling; Nesta Dunn; Alice Goen 1931-5-16 s.n. Los Angeles San Gabriel Mts., Cajon Pass Comment
  PASA1495  Eriogonum thurberi Frank W. Peirson 1930-5-30 Los Angeles Mint Canyon 609 Comment
  RSA329727  Eriogonum umbellatum subsp. minus Gary D. Wallace 1975-7-12 1442 Los Angeles Along Angeles Crest Highway, San Gabriel Mountains. 2305 Comment
  UCR159902  Eriogonum umbellatum var. munzii Orlando Mistretta 1995-3-28 1657 b Los Angeles San Gabriel Mountains, Little Rock Creek Management Unit, Kitter Creek 1280 Comment
  RSA760601  Eriogonum wrightii subsp. subscaposum R. G. Swinney 2008-8-13 9401 Los Angeles Big Rock Creek, 1.0 mi. east of Fenner Canyon. 1793 Comment
  RSA545307  Eriogonum wrightii var. subscaposum Robert F. Thorne, M. Z. Thorne 1966-10 41380 Los Angeles San Gabriel Mountains, Angeles National Forest: Peak of Lookout Mountain. Comment
  UC729481  Eriogonum wrightii var. subscaposum Carl B. Wolf 1932-8-11 4006 Los Angeles on road to Little Rock 8 mi below Big Pines Park; San Gabriel Mts. 1371 Comment
  UCR124729  Eriogonum wrightii var. subscaposum B. C. Templeton 1932-8-25 5077 Los Angeles San Gabriel Mtns., Table Mountain near Big Pines Park, Angeles National Forest 2091 Comment
  UCR95555  Eriogonum wrightii var. subscaposum L. C. Wheeler 1966-10-6 8959 Los Angeles San Gabriel Mtns., Mt. Williamson 2485 Comment
  CAS-BOT-BC297932  Eriophyllum confertiflorum C. B. Wolf 1931-6-25 2235 Los Angeles SW of Los Angeles Botanic Garden, along Beverly Blvd (Mandeville Canyon) 60 Comment
  OBI51925  Eriophyllum confertiflorum Patricia A. Krueger 1994-5-3 11 Los Angeles San Gabriel Mtns. 8 mi on 2N25-2 from Hwy 39 Comment
  RSA301992  Eriophyllum confertiflorum Jim Shevock 1970-4-21 139 Los Angeles Topanga Canyon, Santa Monica Mts. 412 Comment
  RSA651125  Eriophyllum confertiflorum R. A. Havens 1948-5-6 s.n. Los Angeles on hillside east of Cal Poly. 3 1/2 miles Southwest of San Dimas. 259 Comment
  UCR127035  Eriophyllum confertiflorum A. C. Sanders, Mark A. Elvin 2003-6-18 26949 Los Angeles Santa Susana Mountains, Western Transverse Range, around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canyon 1037 Comment
  LA105044  Eriophyllum confertiflorum var. confertiflorum Barry A. Prigge; 1988-7-3 8173 Los Angeles Santa Monica Mountains, Calabasas, ca 0.3 mi E of junction of Mulholland Hwy and Old Topanga Rd, across hwy from Calabasas High School 316 Comment
  RSA547821  Eriophyllum confertiflorum var. confertiflorum Timothy S. Ross, Peter W. Fritsch 1990-6-20 3625 Los Angeles San Gabriel Mountains: Mouth of Burro Canyon near confluence of E and W forks of San Gabriel River. (elevation ranging from stream bottom to slopes). 445 Comment
  SFV20808  Eriophyllum confertiflorum var. confertiflorum L. Gross, N. Fraga 2002-4-4 506 Los Angeles Verdugo Mountains Southwest side. From saddle along main crest where the dirt roads of Verdugo Mountain Way and Chandler Fire Road meet (Thomas Guide 1998 street guide and directory) head north down Wildwood Fire Road (closed road and plants growing back onto road) to old home site near La Tuna Canyon Road. 554 Comment
  UCR76406  Eriophyllum confertiflorum var. confertiflorum T. S. Ross 1992-4-14 6155 Los Angeles Channel Islands, San Clemente Island: central east side of island 137 Comment
  POM358147  Eriophyllum wallacei Norman C. Cooper 1949-4-19 3604 Los Angeles Mojave Desert, Lancaster. 762 Comment
  SD112730  Eriophyllum wallacei Darley F. Howe 1947-5-4 Los Angeles Near Vincent, western Mojave Desert. Comment
  LA51389  Erodium botrys R. L. Armacost; summer 1959 sn Los Angeles Santa Monica Mountains, near Clover Field, Santa Monica Comment
  UCR200142  Erodium cicutarium Valerie Soza, Shalini Deo, Stephen Dreher 2000-4-27 806 Los Angeles Verdugo Mountains, south side, Wildwood Canyon, Wildwood Canyon Park, at end of paved Wildwood Canyon Road at junction with fire road 549 Comment
  RSA712184  Erodium macrophyllum A. C. Sanders, Tricia Wotipka, Mark A. Elvin 2003-4-29 26152 Los Angeles Western San Gabriel Mtns.: Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east of Lake Hughes Rd. 488 Comment
  CAS-BOT-BC40725  Erysimum capitatum Timothy S. Ross; Steve Boyd 1994-5-11 7785 Los Angeles Liebre Mountain. Central summit area, ca. 1750 m WSW of Bear Gulch Camp. 1732 Comment
  UCR223332  Erysimum capitatum R. G. Swinney 2009-5-27 10883 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, streamside from campground to 300 m downstream 1585 Comment
  RSA530305  Erysimum capitatum var. capitatum N. C. Cooper 1949-6-18 4193 Los Angeles Mt. Baldy Resorts 1829 Comment
  RSA530299  Erysimum capitatum var. capitatum Elbert Benjamine 1929-3-3 46 Los Angeles Gravelly hillside, La Crescenta. Comment
  RSA187817  Eschscholzia californica Robert F. Thorne 1966-4-7 35973 Los Angeles Santa Catalina Island, above Emerald Cove. 61 Comment
  UCR178619  Eschscholzia californica R. G. Swinney 1989-4-1 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park ; Big Dalton Canyon, 'Owl Flats 473 Comment
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Jul 26 2010
  UCR280739  Eschscholzia californica R. G. Swinney 2014-5-19 16587 Los Angeles San Gabriel Mountains, Glendora, on ridge between west fork of Engelwild Cyn. and Glenco Heights Cyn., 0.2 miles WNW of Engelwild Debris Basin, 0.72 air-miles SSE of Glendora Ridge Motorway 515 Comment
  CAS-BOT-BC403175  Eschscholzia californica Ernest C. Twisselmann 1966-4-27 12108 Los Angeles Mojave Desert. Southwest side of Antelope Valley 883 Comment
  RSA0012833  Eucalyptus tereticornis R. G. Swinney 2008-4-16 8676 Los Angeles San Dimas, Spring Canyon, north end between east and west forks of canyon. 393 Comment
  RSA0092554  Eucrypta chrysanthemifolia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14321 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  UC450819  Eucrypta chrysanthemifolia var. chrysanthemifolia Fay A. MacFadden 1931-3-17 62 E Los Angeles Verdugo Hills; Tuna Canyon Comment
  RSA0060771  Eulobus californicus LeRoy Gross, Duncan S. Bell, Pamela Conway, Pam DeVries, Otto Gasser 2015-3-19 6820 Los Angeles San Gabriel Mountains: Arrastre Canyon, south of Acton. 846 Comment
  UCR270800  Eulobus californicus R. G. Swinney 2010-4-15 12260 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
  RSA713744  Euphorbia albomarginata A. C. Sanders, Helen Kennedy 2005-4-13 29436 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  UCR187013  Euphorbia albomarginata A. C. Sanders 2006-4-25 32167 Los Angeles Transverse Range; Liebre Mtns. Region, 1/2 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 1006 Comment
  POM222388  Euphorbia peplus L. C. Wheeler 1936-6-30 4195 Los Angeles Wolfskill Canyon 533 Comment
  RSA612078  Euphorbia peplus Valerie L. Soza 1998-4-26 67 Los Angeles Claremont, Bernard Field Station (BFS), Claremont Colleges, NW corner of Mills Avenue and Foothill Boulevard.: West of main road, SE of pHake Lake, N of Foothill Boulevard. [Coordinates given are] at center of BFS. 411 Comment
  RSA631085  Euphorbia peplus L. C. Wheeler 1947-4-13 6464 Los Angeles San Gabriel Mountains;: Sunset Ridge on south side of Millard Canyon. 640 Comment
  RSA747882  Euphorbia peplus Justin M. Wood 2009-3-6 334 Los Angeles NW corner of Monte Vista Ave and Foothill Blvd. County line goes through property but most plants were collected in LA County. 402 Comment
  CDA20450  Euphorbia peplus M. O'Brien 2003-4-13 MOB 10 -03 Los Angeles South Coast; Topanga State Park, near the headquarters compound. 0 Comment
  UCR214598  Euphorbia serpens A. C. Sanders, Dan S. Cooper 2010-4-30 38127 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SD230227  Euphorbia serpillifolia subsp. serpillifolia Louis C. Wheeler 1973-6-15 Los Angeles Los Angeles: Between San Diego (405) Fwy and Sepulveda Blvd., just E of Alameda St. Comment
  RSA433507B  Euphorbia spathulata M. B. Dunkle 1928-5-13 1958 Los Angeles Santa Catalina Island. Head of Swain's Canyon. 396 Comment
  RSA650320  Eurotia lanata Marion P. Harthill 1972-7-6 s.n. Los Angeles Mojave Desert - Highway N4 Comment
  LA88587  Euthamia occidentalis O. H. Kappler; 1942-11-1 356 Los Angeles Santa Monica Mountains, W-fork Las Trancas (Rattlesnake) Canyon, N slope 365 Comment
  LA201015  Festuca octoflora Carl Wishner; 1998-4-22 2585 Los Angeles SANTA MONICA MOUNTAINS, Calabasas, E of Mulholland Hwy at Paul Revere Dr. Site developed as an elementary school in 2002. 359 Comment
  SBBG32124  Festuca perennis R. N. Philbrick with R. F. Thorne 1967-5-18 B 67 -193 Los Angeles Middle Bullrush Cyn, Salta Verde Comment
  RSA682716  Ficus carica LeRoy Gross, Naomi S. Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1105 Los Angeles North side of mountains: Entered west of Haines Canyon Park, off of Estepa Drive in Tujunga. Follow a ridge southwest, then dropped down from ridge west into a small tributary northwest of this ridge., Tributary is north of the 210 freeway. South of freeway tributary will drain into La Tuna Canyon. All survey was done north of the 210. 457 Comment
  RSA533925  Filago arizonica Timothy S. Ross 1991-5-19 5242 Los Angeles San Clemente Island: SE end of island, first un named canyon S of Snake Cactus Canyon (drainage beginning 1420ft due W of Guds). 152 Comment
  LA51382  Filago californica Henry J. Thompson; 1959-5-24 2018 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  RSA393718  Filago californica B. C. Templeton 1939-4-26 s.n. Los Angeles Huntington Palisades, Santa Monica Mountains. Comment
  UCR218002  Foeniculum vulgare A. C. Sanders, Dan S. Cooper 2010-8-5 38565 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  RSA628722  Forestiera pubescens R. S. Woglum 1942-5-20 3333 Los Angeles Transverse Ranges / Mojave Desert transition: Little Rock Dam Lake; Angeles National Forest. Comment
  UCR223119  Forestiera pubescens R. G. Swinney 2009-5-13 10781 Los Angeles Transverse Range; San Gabriel Mtns., upper Brainard Canyon, c. 2 miles south of Ft. Tejon Rd., immediately NW of Cima Mesa, Juniper Hills 1183 Comment
  RSA177789  Frankenia grandifolia Percy C. Everett, P. Everett 1965-5-11 34534 Los Angeles Inside Ballast Point on E side of Catalina Harbor, Santa Catalina Island Comment
  SBBG78615  Frankenia salina F. R. Fosberg 1931-5-17 4885 Los Angeles Little Harbor Comment
  CAS-BOT-BC223422  Fraxinus dipetala Ynez Whilton Winblad 1937-4-26 s.n. Los Angeles Ridge Route, n. Los Angeles Co. Comment
  UCR147289  Fraxinus dipetala Orlando Mistretta 1992-6-17 590 Los Angeles Transverse Ranges; San Gabriel Mountains, Road 2N09 EA. Curtiss Haul Road, Cow Canyon. From 2nd drainage down to Cattle Canyon Comment
  RSA669142  Fraxinus velutina var. coriacea LeRoy Gross 2002-6-24 544 Los Angeles Along La Tuna Canyon Road 488 Comment
  UC592751  Fremontodendron californicum subsp. californicum Carl B. Wolf 1936-5-27 7861 Los Angeles 8 mi above Tie Camp Summit (Aliso Canyon to Buckhorn Flats Road, San Gabriel Mountains); San Gabriel Mountains 1676 Comment
  RSA70353  Funastrum cynanchoides var. hartwegii F. W. Peirson 889 Los Angeles near bridge southeast of Monrovia. Comment
  CAS-BOT-BC304331  Galinsoga parviflora Ernest Braunton 1902-10-1 s.n. Los Angeles Vernon Comment
  CAS-BOT-BC223004  Galium andrewsii subsp. andrewsii W. Griesel; B. Miller 1963-7-2 s.n. Los Angeles Sawmill Campground, Sawmill Mt., Angeles National Forest 1615 Comment
  UCR168355  Galium andrewsii subsp. intermedium Orlando Mistretta 1994-9-13 1481 Los Angeles San Gabriel Mtns, Santiago Canyon, Santiago Creek near junction of Forest Service Road 4N20 and BM 3980 1213 Comment
  UCR228118  Galium angustifolium R. F. Thorne, Percy C. Everett 1965-5-11 34675 Los Angeles Channel Islands, Santa Catalina Island, on and above summit road from Avalon to airport 91 Comment
  RSA602346  Galium angustifolium subsp. angustifolium Scott D. White 1997-5-8 5083 Los Angeles San Gabriel River Canyon: N of Azusa; canyon bottom and adjacent slopes below San Gabriel Reservoir. 365 Comment
  POM49901  Galium angustifolium subsp. gabrielense I. M. Johnston 1924-6-28 s.n. Los Angeles Above Spring Hill, San Antonio Canyon, along trail to Cascade Canyon. 1220 Comment
  UCR111501  Galium angustifolium subsp. gabrielense A. C. Sanders, D. Malueg 1998-6-22 22026 Los Angeles San Gabriel Mtns., Altadena, c. 800 m SSW of Mt. Lowe, N end of Tanoble Dr. at Woodglen Ln., and along trail to the NE 549 Comment
  UCR178228  Galium angustifolium subsp. gabrielense LeRoy Gross, Valerie Soza 2003-6-10 1023 Los Angeles Transverse Ranges; San Gabriel Mountains, Mount Baldy Trail from Baldy Village to summit of Mount San Antonio., c. 2.5 miles south of Mount San Antonio summit along trail 2439 Comment
  POM175425  Galium angustifolium subsp. nudicaule Joseph A. Ewan 1930-6-25 2646 Los Angeles Crystal Lake, North Fork San Gabriel River. 1707 Comment
  RSA747367  Galium angustifolium subsp. nudicaule Orlando Mistretta 1994-7-12 1404 Los Angeles Transverse Ranges; San Gabriel Mtns region: Along trail, S. Fork of Big Rock Creek. Surveying from Reed Spring to Islip Saddle. 1982 Comment
  RSA0092488  Galium aparine R. G. Swinney 2011-5-12 14715 Los Angeles San Gabriel Mountains: along Cabin Canyon Creek near the confluence with Aliso Canyon. 1195 Comment
  UC888744  Galium aparine F. R. Fosberg 1931-4-15 S 4613 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  UCR194610  Galium aparine R. G. Swinney, Dave Larson 1999-6-25 7402 Los Angeles San Gabriel Mtns., Fern Canyon at falls, c. 1.7 mi. east of confluence with upper East Fork San Dimas Canyon 1171 Comment
  CATA778  Galium catalinense Mark L. Hoefs 1991-6-5 1340 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  SBBG128202  Galium catalinense M. G. Simpson, A. Russell, J. Dunn 2000-7-20 2208 Los Angeles S side of Eagle Cyn 351 Comment
  UCR13483  Galium catalinense O. F. Clarke, B. T. Gittins, D. Kucera & So. Cal. Botanists Fld. Trip 1968-2-25 s.n. Los Angeles Channel Islands, Santa Catalina Island, within 0.5 mile of the U.S.C. Marine Sciences Station at the isthmus on the N end of the island 213 Comment
  SBBG98521  Galium catalinense subsp. acrispum T. Ross 1991-5-23 5493 Los Angeles lower Tota Cyn, E escarpment 80 Comment
  SDSU19651  Galium catalinense subsp. acrispum Michael G. Simpson, Adrienne Russell & Jonathan Dunn 2000-7-20 2208 Los Angeles San Clemente Island, south side of Eagle Canyon. 351 Comment
  RSA279053  Galium grande Robert F. Thorne 1971-4-23 41465 Los Angeles San Gabriel Mountains, Angeles National Forest: Chantry Flats, along trail to Santa Anita Canyon. 610 Comment
  UC1409016  Galium hallii Robert F. Thorne and J. Dourley 1967-10-3 37267 Los Angeles n slope at Vincent Gap Mt. Baden-Powell 2133 Comment
  JEPS114017  Galium hallii Timothy S. Ross and Steve Boyd 1994-6-23 8055 Los Angeles Sawmill Mountain: N slope ca 330 m SE to 525 m ENE of Sawmill Campground, descending NE along a ridge at the head of the west fork of Devils Gulch. Burnt Peak 7.5'USGS Quadrangle. Comment
  LA83058  Galium jepsonii O. H. Kappler; 1947-6-7 Los Angeles San Gabriel Mountains, Mount Waterman Area 1920 Comment
  POM50548  Galium johnstonii L. R. Abrams 1901-7-10 1882 Los Angeles Mt. Wilson summit. 1768 Comment
  RSA586820  Galium johnstonii Orlando Mistretta, Steve D. Boyd 1995-6-21 1374 Los Angeles Santiago Canyon drainage northwest of Pacifico Mtn 1890 Comment
  SBBG38863  Galium nuttallii subsp. insulare R. Moran 1941-2-23 606 Los Angeles S of Johnson's Valley 200 Comment
  UC76075  Galium porrigens J. Q. Adams 1905-1 18 Los Angeles Soldier's Home Comment
  RSA708808  Galium porrigens var. porrigens Valerie L. Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1153 Los Angeles Ridgetop above McDonald Creek. 412 Comment
  UCR110906  Gamochaeta pensylvanica A. C. Sanders, D. Malueg 1998-6-22 22016 Los Angeles San Gabriel Mtns., W of Rosemead Blvd., Burton Ave. at Longden Ave., under SCE powerlines 146 Comment
  CAS-BOT-BC303404  Gamochaeta ustulata Geo. B. Grant 1900-5-17 s.n. Los Angeles El Monte Comment
  SBBG119285  Garrya flavescens V. Soza, L. Gross, J. Kuo 1999-7-6 609 Los Angeles SW side of Big Rock Crk, Manzanita Trail from S Fk Cmpgrd; T4N R9W SE/4, NE/4 S34 1584 Comment
  UCR147618  Garrya flavescens Naomi Fraga, LeRoy Gross, B. Hogshead 2004-5-20 1199 Los Angeles Transverse Ranges; San Gabriel Mountains region, North Fork of Lytle Creek, on slopes along north side of the canyon, northeast of Paiute Campground 1860 Comment
  RSA392392  Garrya flavescens subsp. pallida Unspecified 1906-06 s.n. Los Angeles Big Rock Creek Comment
  RSA392409  Garrya veatchii Joseph A. Ewan 1932-7-4 7577 Los Angeles Millard's Canyon. 1067 Comment
  RSA585536  Garrya veatchii Tim S. Ross 1992-4-21 6217 b Los Angeles Glendora Ridge Road: on the divide between San Dimas Canyon and Cattle Canyon, draining northwestward toward Peacock Canyon. 1121 Comment
  SEINET10874795  Garrya veatchii Walter H. Lewis 1991-6-13 Lewis 14929 Los Angeles San Gabriel Mountains, San Antonio Canyon, Mt. Baldy Rd., north side of Hog Back turnoff. 1164 Comment
  SEINET10897116  Gastridium phleoides Hermann E. Hasse Hasse s.n. Los Angeles Open hills & plains. Comment
  RSA0112636  Gilia A. C. Sanders 2005-5-11 30160 Los Angeles Western San Gabriel / Liebre Mtns. Region: Santa Clarita area, upper Plum Canyon along dirt track toward Cruzan Mesa from Plum Canyon Rd., NW of Forest Park between Mint and Bouquet Canyons. 610 Comment
  SBBG64393  Gilia achilleifolia subsp. multicaulis R. Hoffmann 1925-4-19 Los Angeles Elizabeth Lake Comment
  RSA732530  Gilia angelensis A. C. Sanders, Mark Elvin 2003-3-5 25743 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
  SBBG38695  Gilia angelensis R. Moran 1941-3-11 697 Los Angeles N of Middle Ranch 300 Comment
  RSA529310  Gilia angelensis T. S. Ross 1991-4-8 4454 Los Angeles Elephant Hill: western Pomona 229 Comment
  UCR150469  Gilia brecciarum R. G. Swinney 1999-6-21 7372 Los Angeles San Gabriel Mtns., Big John Flat 1671 Comment
  RSA782181  Gilia cana R. G. Swinney 2009-4-2 10270 Los Angeles Bob's Gap, 3.5 miles south of Hwy 138 on east side of Bob's Gap Road 1220 Comment
  RSA599258  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-3-31 9433 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
  RSA653782  Gilia capitata subsp. abrotanifolia J. Bogdanoff-Lord 1989-5-21 20 Los Angeles Angeles National Forest: 3.9 miles NNE of the intersection of Base Line & Mills, Claremont, on west side of Mt. Baldy Road. Comment
  RSA729734  Gilia capitata subsp. abrotanifolia R. G. Swinney 1998-6-16 6979 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  UC23355  Gilia capitata subsp. abrotanifolia J. Burtt Davy May 9 1896-May 24 1896 2660 Los Angeles near Manzana (Antelope Valley, S California); Antelope Valley, near Manzana Comment
  POM3517  Gilia capitata subsp. abrotanifolia Anson Lisk 1903-05 s.n. Los Angeles Collected near Pasadena. Comment
  RSA470241  Gilia capitata subsp. abrotanifolia Agatha 1938-4-10 183 Los Angeles Campus. Comment
  RSA581008  Gilia capitata subsp. abrotanifolia Jamie Kneitel, Rachel Meyer, Jim Herzberg, Alexandria Cary 1995-4-15 26 Los Angeles Gorman, 0.5 mi. east from Interstate 5 1220 Comment
  RSA611352  Gilia latiflora subsp. davyi Steve Boyd 1998-4-1 10130 Los Angeles Mojave Desert: Western Antelope Valley, along 300th Street West, 1.5 miles north of Highway 138. 853 Comment
  UCR269978  Gilia leptantha subsp. transversa R. G. Swinney 2010-5-19 12774 Los Angeles San Gabriel Mountains/Western Mojave Desert, 'Oracle Hill summit', abandoned Naval Analytics Station, at end of Pacific Telephone Access Rd., just west of Angeles Natl. Forest boundary, 2.05 air miles due east of Angeles Forest Hwy, 0.8 miles due west of Mt. Emma Rd. 1350 Comment
  SEINET7063573  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Los Angeles Near Littlerock on Route 139. UTM Zone 11, 409714mE, 3820375mN. (WGS84/NAD83). 881 Comment
  CAS-BOT-BC225502  Gilia nevinii Peter H. Raven 1962-4-9 17166 Los Angeles Rocky grassland above Wilson Cove, San Clemente Island 60 Comment
  SBBG122092  Gilia ochroleuca subsp. bizonata A. Parikh, N. Gale 2003-5-10 729 Los Angeles Bald Mtn, 1 km SE of summit, 0.8 km SW of Old Ridge Rd 1185 Comment
  UCR192824  Gilia ochroleuca subsp. bizonata R. G. Swinney 1998-7-6 6297 Los Angeles San Gabriel Mtns., Grassy Hollow, east of Jackson Flats, on ridge c. 200 m north of entrance to Grassy Hollow Campground 2195 Comment
  RSA469498  Gilia ochroleuca subsp. vivida F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  CAS-BOT-BC303660  Glebionis coronaria John Thomas Howell 1948-7-2 24767 Los Angeles Redondo Beach Comment
  POM292499  Gnaphalium beneolens E. A. Purer 1933-10-7 5595 Los Angeles El Segundo. Comment
  RSA656853  Gnaphalium canescens subsp. beneolens Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 994 Los Angeles Verdugo Mountains, southwest side: Along Verdugo Mtwy, E of junction with Stough Canyon Mtwy and W of junction with Hostetter Mtwy, above Wildwood Canyon. 883 Comment
  RSA773908  Gnaphalium canescens subsp. beneolens R. G. Swinney 2009-7-22 11350 Los Angeles Sulphur Spring Campground, on South Fork Little Rock Creek. 1585 Comment
  RSA584123  Gnaphalium canescens subsp. beneolens Timothy S. Ross, S. D. Boyd, Peter Fritsch 1990-6-8 2972 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
  RSA600468  Gnaphalium luteoalbum Steve Boyd, Lauren Raz 1997-4-30 9614 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
  UCR99677  Gnaphalium luteoalbum Scott D. White 1992-10-8 896 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  RSA562263  Gnaphalium luteoalbum D. Charlton, Robb Fishman 1989-4-13 2898 Los Angeles Mojave Desert, corner of 10th and M street, Palmdale, Joshua Tree Woodland with Morman Tea, Hopsage, 4 Wing Salt Bush, Winter Fat and Wolfberry. Ruderial with Wash (Amargosa Creek) and Mid bajada (N facing) Comment
  POM305061  Gnaphalium microcephalum Henry J. Ramsey, Henry J. Ramsey 1937-1-3 358 Los Angeles Altadena 396 Comment
  RSA643164  Gnaphalium stramineum Orlando Mistretta, S. D. Boyd, Darren Banks 1994-4-29 1127 a Los Angeles San Gabriel Mountains: Little Rock Creek Management Unit, Santiago Creek Section. Comment
  JEPS59822  Grayia spinosa Frank W. Peirson 1921-5-19 1832 Los Angeles Little Rock Creek San Gabriel Mts., Little Rock Creek 975 Comment
  RSA710837  Grayia spinosa LeRoy Gross 2005-5-3 2205 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
  POM359088  Grindelia robusta Geo L. Moxley, Grinnell 1916-6-16 495 Los Angeles Santa Susana Mountains. Comment
  RSA430119  Guillenia lasiophylla F. R. Fosberg 1931-4-29 4724 Los Angeles 1/2 mile below Eagles nest, Middle Ranch Canyon, Santa Catalina Island 150 Comment
  POM18209  Guillenia lasiophylla P. A. Munz 1923-4-10 6730 Los Angeles San Clemente Island: canyon-wall, south of Lemon Tank ; east coast Comment
  RSA611008  Guillenia lasiophylla L. C. Wheeler 1968-5-25 s.n. Los Angeles Mesa W of Bear Creek. 548 Comment
  RSA67366  Guillenia lasiophylla Joseph A. Ewan 1930-5-3 2354 Los Angeles Near summit of Mt Hollywood. Santa Monica Mts. 505 Comment
  OBI62224  Gutierrezia californica P. A. Holden 1968-9-15 553 =630 Los Angeles SE of Rosamond in the Antelope Valley Comment
  CATA1546  Hainardia cylindrica Mark L. Hoefs, Steven A. Junak, Misty Gay 1997-6-6 2786 Los Angeles Santa Catalina Island: Upper Buffalo Springs reservoir 435 Comment
  UCR104152  Haplopappus menziesii Scott D. White, Pam DeVries 1997-11-20 6026 Los Angeles San Gabriel Mtns., Big Tujunga Wash, west of Sunland, SW of I-210 freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  RSA658355  Haplopappus pinifolius Naomi Zohman 1985-4-28 41 Los Angeles Junction of CA Hwy 39 and west fork of San Gabriel River. Forest Service Road, along the west fork. Comment
  SEINET7885645 Image available Haplopappus pinifolius Peter H. Raven 1961-1 16868 Los Angeles Native to the Botanic Garden, Claremont, elevation 850 feet. 259 Comment
  SEINET4044561 Image available Hazardia squarrosa D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 289 Comment
  UCR132351  Hedera helix 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
  UCR194578  Helenium bigelovii R. G. Swinney 1998-7-29 6537 Los Angeles San Gabriel Mtns., Dawson Peak Ridge (west side), at spring on NNW facing slope, c. 100 m above canyon bottom, c. 0.5 mi. NE of Upper Fish Fork Camp 2110 Comment
  CAS-BOT-BC223985  Helianthemum scoparium Crawford; Hiatt 1916-3-29 s.n. Los Angeles Santa Monica Mts. Comment
  RSA80682  Helianthemum scoparium F. W. Peirson 1920-4-22 115 Los Angeles foothill of Rubio Canyon 533 Comment
  CAS-BOT-BC305434  Helianthus annuus F. Grinnell Jr. 1917-6-30 s.n. Los Angeles Altadena 457 Comment
  RSA627085  Helianthus annuus Scott D. White 1998-4-28 6349 Los Angeles Palos Verdes area: Slope above Portugese Bend, east of Altamira Cyn. 61 Comment
  RSA657154  Helianthus annuus subsp. lenticularis Joseph M. Keefe 2001-1-19 30888 Los Angeles 5623 Raber Street, at intersection with Upperton Avenue, Highland Park District 207 Comment
  RSA662177  Helianthus annuus subsp. lenticularis H. Christopher Gubler 1981-5-12 14 Los Angeles Interstate 10 W 1 mile from junction ca. Hwy 57. Alongside freeway chaparral. Comment
  LA30500  Helianthus gracilentus Jane Turner; T. Mosquin 1958-11-16 C- 45 Los Angeles 487 Comment
  UCR142902  Helianthus gracilentus C. W. Tilforth, G. Steenhuizen 1973-7-6 892 Los Angeles San Gabriel Mtns., road along west side of San Antonio Canyon, north of Claremont 1220 Comment
  UC1953168  Helianthus inexpectatus Mark Elvin with Julie Vanderwier 2002-8-12 2124 Los Angeles Western Transverse Range: Newhall Ranch, large natural spring at north foot of Airport Mesa, 0.75 mi SW of Castaic Junction, above confluence of Castaic Creek with Santa Clara River. Comment
  UCR95335  Heliotropium curassavicum var. oculatum L. C. Wheeler 1946-8-28 6289 Los Angeles San Gabriel Mtns, Caldwell Lake 1570 Comment
  CATA2051  Helminthotheca echioides Steven A. Junak, Mark Hoefs, Lisa Stratton, Keri Kirkland 1998-7-16 Los Angeles Santa Catalina Island: Flats at Little Harbor Campground 6 Comment
  CAS-BOT-BC305879  Helminthotheca echioides Peter H. Raven 1960-5-31 15469 Los Angeles Campus of the University of California, Los Angeles, Santa Monica Mountains 106 Comment
  CAS-BOT-BC305882  Helminthotheca echioides Ernest C. Twisselmann 1970-3-3 16363 Los Angeles Los Angeles: parking lot at 1212 Shatto Street 76 Comment
  RSA131036  Hemizonia fasciculata P. C. Everett, E. K. Balls 1959-6-2 23841 Los Angeles 1 mile northeast of entrance to Stokes Canyon, Santa Monica Mountains. 183 Comment
  UCR126890  Hemizonia fasciculata A. C. Sanders, Tricia Wotipka, Mark A. Elvin, and others 2003-4-29 26156 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, northeast of the filtration plant, north of Charlie Canyon, 1.2 air miles east Lake Hughes Road 488 Comment
  RSA608883  Hemizonia fasciculata L. C. Wheeler 1968-7-1 s.n. Los Angeles San Gabriel Mountains: East side Little Tujunga. 549 Comment
  RSA628546  Hemizonia fasciculata L. C. Wheeler 1967-7-18 10082 Los Angeles San Gabriel Mountains: Center Creek off Gold Creek off Little Tujunga Canyon. 746 Comment
  CAS-BOT-BC403834  Hesperocnide tenella Geo. B. Grant 1904-5-26 s.n. Los Angeles Pasadena Comment
  RSA628889  Hesperocnide tenella Louis C. Wheeler 1969-5-4 s.n. Los Angeles East side Little Tujunga Canyon, 3/4 mile south southeast Herreres Ranch. 549 Comment
  RSA0101278  Hesperoyucca whipplei R. G. Swinney 2011-6-22 15264 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
  RSA0072473  Heteromeles arbutifolia Ellen Mackey, Blake Whittiington 2006-10-4 NFWF- 1774 Los Angeles Downstream form San Dimas Dam. 403 Comment
  RSA0101270  Heteromeles arbutifolia R. G. Swinney 2011-3-18 14150 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  RSA0116116  Heteromeles arbutifolia R. G. Swinney 2010-8-23 13569 Los Angeles San Gabriel Mountains; Mt. Zion summit, between Hoegee Campground and Camp Sturtevant on the Mt. Zion Trail. 1085 Comment
  RSA650380  Heteromeles arbutifolia A. E. Hersh 1950-7-9 s.n. Los Angeles Dry hillside Topanga Canyon about 2 miles from west end. 91 Comment
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Oct 3 2007
  RSA654203  Heteromeles arbutifolia Kelly Middleton, David Middleton 1988-5-23 26 Los Angeles Glendora Ridge Road, 8.0 miles north of Glendora Mountain Road and Sierra Madre Blvd. in Glendora 1067 Comment
  RSA0022528  Heterotheca fastigiata Duncan S. Bell, Caitlin Elam 2013-6-24 5253 Los Angeles San Gabriel Mountains region: Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA0074536  Heterotheca fastigiata Joseph A. Ewan 1930-12-7 3472 Los Angeles Clam Shell Canyon above Monrovia. Comment
  SEINET3929121  Heterotheca grandiflora David Keil 1986-9-27 19736 -2 Los Angeles Along I-5, just S of Hungry Valley Rd exit.; 0 914 Comment
  JEPS19510  Heterotheca grandiflora Peter H. Raven 1957-9-21 11324 Los Angeles nw end U.C.L.A. Campus Comment
  OBI36527  Heterotheca grandiflora Mark Schneider 1973-1 s.n. Los Angeles 7-HIlls Ranch Comment
  RSA0074406  Heterotheca grandiflora Thomas S. Elias, Walter Wisura 1984-7-25 8520 Los Angeles North of Malibu; Point Dume. Comment
  RSA0074411  Heterotheca grandiflora Timothy S. Ross 1991-5-22 5463 Los Angeles San Clemente Island: Spray Canyon; short canyon 2400 feet ENE of Spray (which in turn is 5200 feet N of Eel Point), W side of island. 79 Comment
  SD90212  Heterotheca sessiliflora var. fastigiata Benjamin C. Stone December 1952 242 Los Angeles San Antonio Canyon, San Gabriel Mountains. 671 Comment
  CDA7954  Heterotheca villosa var. hispida G. C. Fleischman 1945-9-9 Los Angeles San Gabriel Canyon. 0 Comment
  RSA0066112  Heuchera elegans I. M. Johnston 1928-6-28 s.n. Los Angeles Cascade Canyon, west end Ontario Peak. 1829 Comment
  UC306194  Hieracium argutum I. M. Johnston 1918-8-25 2129 Los Angeles shaded cliff in Evey Canyon (San Antonio Mountains); , Evey Canyon 914 Comment
  CHSC95368  Hirschfeldia incana LeRoy Gross; Wayne Law 2000-8-8 251 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. 324 Comment
  RSA675929  Hirschfeldia incana LeRoy Gross 2003-3-9 785 Los Angeles Southwest side. A west-east trending ridge southwest of Flint Peak. Entered at west end, at Mount Carmel Drive, east of the (2) Glendale freeway., Between Chevy Chase Drive (Sycamore Canyon) to the north, and Glenoak Blvd. (Scholl Canyon) to the south. 357 Comment
  SFV21098  Hirschfeldia incana L. Gross, W. Law 2000-8-8 251 Los Angeles San Fernando Valley Big Tujunga Wash east of Hansen Dam. East of Orcas Park along river (just north of Wentworth Street but not as far as Tujunga ponds. 325 Comment
  UC1971444  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles LIEBRE MOUNTAINS REGION: Southern edge of the Antelope Valley at the north base of Portal Ridge, along 180th Street West, near the California Aqueduct, east of mouth of Broad Canyon. Comment
  RSA659838  Holodiscus discolor Orlando Mistretta, Mike Hammitt 1991-6-21 s.n. Los Angeles Slope near E tributary of Fern Canyon. USFS Road 2N66. 756 Comment
  CAS-BOT-BC147734  Holodiscus microphyllus var. microphyllus Tim Ross 1990-8-17 3174 Los Angeles San Gabriel Mtns: S side of Prairie Fork, in the draw between Columbine Spring and Camp Lupine 2121 Comment
  SD264707  Hordeum intercedens Steven A. Junak, Mark Hoefs, Keri Kirkland, Janet Takara 1998-5-1 Sca 596 Los Angeles UTM in supplement. Santa Catalina Island: Small rise just NE of Airport road, just S of ridge with Whitley's Peak. 427 Comment
  RSA0112839  Hordeum marinum subsp. gussoneanum Steven A. Junak 1999-5-20 SCa- 957 Los Angeles Santa Catalina Island. Along Cottonwood-Black Jack Road. 305 Comment
  UCR256434  Hordeum murinum R. G. Swinney 2010-6-8 13196 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
  UC1922851  Hordeum murinum subsp. glaucum Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-18 1149 Los Angeles Transverse Ranges; Verdugo Mountains region; Ridgetop above McDonald Creek. 427 Comment
  POM112840  Hordeum murinum subsp. leporinum Marcus E. Jones 1882-5-1 s.n. Los Angeles Los Angeles. Comment
  UCR131413  Horkelia cuneata Alison Lipman 1998-1 s.n. Los Angeles South Coastal Plains Region, Los Angeles, San Pedro area, Defense Fuel Support Point (Naval Reservation) 3171 North Gaffey St. 30 Comment
  POM360721  Hulsea vestita subsp. gabrielensis George Vowels 1969-6-24 s.n. Los Angeles Mt. Williamson 2287 Comment
  POM223063  Hydrocotyle ranunculoides L. C. Wheeler 1933-7-14 1939 Los Angeles San Gabriel Valley Rio Hondo. 58 Comment
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Feb 24 2020
  UCR271841  Hypericum scouleri R. G. Swinney 2011-6-23 15279 Los Angeles San Gabriel Mountains, Chilao Flat, along Chilao Creek 100-200 m south of Chilao Station 1570 Comment
  UCSB33633  Hypericum scouleri Miller, Brian 1960-7-21 Los Angeles Charltan Flats; San Gabriel Mountains 1981 Comment
  SEINET12267915  Jacaranda mimosifolia R. E. Mason 1944-1 s.n. Los Angeles near Los Angeles Comment
  SBBG31376  Jaumea carnosa R. F. Thorne with P. C. Everett 1965-5-11 34537 Los Angeles inside Ballast Pt on E side of Catalina Harbor Comment
  CAS-BOT-BC47593  Jepsonia malvifolia R. M. Beauchamp 1967-1-27 109 Los Angeles east of Wilson Cove area. San Clemente Island Comment
  CAS-BOT-BC101902  Juglans californica Le Roy Abrams; E. A. McGregor 1908-7-5 691 Los Angeles Lone Pine Canyon, desert slopes of the San Gabriel Mountains 914 Comment
  RSA660476  Juglans californica Ian Thompson 1997-2-26 16 Los Angeles Cal Poly Pomona Ecological Reserve. Northeast facing slope south of E-line. Comment
  UCR91397  Juglans californica Scott D. White 1995-3-15 2548 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  RSA600978  Juglans californica var. californica Louis C. Wheeler 1967-6-26 9874 Los Angeles Elsmere Canyon. 441 Comment
  UC34949  Juglans californica var. californica unknown Los Angeles Azusa Comment
  RSA0011171  Juglans californica var. californica Thomas Seerley 1948-2-22 s.n. Los Angeles San Gabriel Mountains, Glendora. 457 Comment
  RSA0127701  Juncus Louis C. Wheeler 1967-7-15 10060 Los Angeles Angeles National Forest. Southwest side of Mt. Waterman. 2134 Comment
  IRVC26180  Juncus balticus A. C. Sanders 2003-5-1 26248 Los Angeles NE side of Castaic Mesa, near Angeles National Forest boundary, ca. 0.6 mi. due west of confluence of Bitter and Charlie Canyons Western San Gabriel Mtns. 396 Comment
  JEPS45903  Juncus bufonius Louis C. Wheeler 1936-6-26 4192 Los Angeles Lewis Paul Canyon San Gabriel Mts. 518 Comment
  POM246810  Juncus bufonius F. R. Fosberg 1931-5-4 S- 4751 Los Angeles Middle Ranch Canyon, 2nd bridge below Eagle s Nest, Santa Catalina Island 140 Comment
  SD260148  Juncus bufonius var. bufonius R. G. Swinney 2011-6-1 14939 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Criso Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy (Chilao Flat 7.5'Q) 1096 Comment
  UC534848  Juncus ensifolius Victor Duran 1933-7-25 3531 Los Angeles Buckhorn San Gabriel Mts. 1981 Comment
  LA19813  Juncus macrophyllus A. M. Johnson; 1932-5-30 4073 Los Angeles Santa Monica Mountains, Brent's Mountain, Crag's Camp 152 Comment
  LA51525  Juncus macrophyllus Peter H. Raven; Henry J. Thompson 1960-7-17 15553 Los Angeles SANTA MONICA MOUNTAINS, near junction of Latigo Canyon Rd with Mulholland Hwy. 518 Comment
  JEPS63880  Juncus mexicanus Frank W. Peirson 1920-9-17 2287 Los Angeles San Antonio Canyon San Gabriel Mountains Comment
  RSA368235  Juncus mexicanus Anstruther Davidson 1923-9-1 s.n. Los Angeles Los Angeles River. Comment
  RSA517162  Juncus rugulosus Timothy S. Ross, Orlando Mistretta 1990-10-9 3260 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest 1416 Comment
  RSA368147  Juncus textilis L. C. Wheeler 1931-9-27 166 Los Angeles San Dimas Canyon, San Gabriel Mountains. 610 Comment
  CATA558  Juncus xiphioides Mark L. Hoefs, Robert F. Thorne 1975-8-7 822 Los Angeles Santa Catalina Island: Lower Middle Canyon 76 Comment
  LA200960  Juniperus californica Carl Wishner; 1990-4-17 1780 Los Angeles SANTA MONICA MOUNTAINS, Agoura, SE of Agoura Rd and Cornell Cut-Off Rd. 225.0 Comment
  RSA596229  Juniperus californica T. S. Ross, S. D. Boyd, Peter W. Fritsch 1990-6-11 3391 Los Angeles San Gabriel Mountains, Little Rock Creek: Joshua tree Campground on SW side of Little Rock Creek reservoir 997 Comment
  RSA710805  Juniperus californica LeRoy Gross 2005-5-3 2244 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
  UC215372  Juniperus californica I. Johnston 981 Los Angeles San Gabriel Wash 152 Comment
  RSA401756A  Keckiella cordifolia F. R. Fosberg 1931-5-21 S- 4937 Los Angeles Santa Catalina Island. Between Cherry Valley and Howlands Landing. 20 Comment
  RSA401774A  Keckiella cordifolia Mary H. Ward 1970-4-19 LASCA- 933 Los Angeles San Rafael Hills,behind Linda Vista, southwestern Pasadena 305 Comment
  UC1234776  Keckiella cordifolia Peter H. Raven 1962-5-22 17830 Los Angeles first canyon w Lions Head Point; Santa Catalina Island Comment
  UC1302317  Keckiella cordifolia Robert F. Thorne and P. C. Everett 1964-2-7 33485 Los Angeles Middle Canyon; Santa Catalina Island 152 Comment
  UC886927  Keckiella cordifolia L. W. Nuttall 1920-1 44 Los Angeles Santa Catalina Island Comment
  UCR205631  Kickxia elatine A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 36998 Los Angeles San Gabriel Valley, San Gabriel River channel between Ramona Blvd. and Lower Azusa Rd., southwestern lobe of Irwindale between Baldwin Park and El Monte, under SCE powerlines 100 Comment
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  UCR94703  Kochia californica A. C. Sanders, E. J. Lott 1993-5-6 13942 Los Angeles Western Mojave Desert, 12 miles north of Palmdale, Sierra Hwy at Ave 'G', to 0.1 mi. NW of intersection 706 Comment
  CAS-BOT-BC111945  Kyllinga brevifolia T. C. Fuller 1967-1-23 s.n. Los Angeles Adj. to lawn, 131 Barlock Ave, S of Sunset Blvd btw UCLA & San Diego Freeway, Comment
  UC1069691  Lactuca serriola Jerome S. Horton 1936-8-26 395 Los Angeles Tanbark Pomona Quadrangle Comment
  SD49392  Laennecia coulteri Reid Moran 1959-3-9 7156 Los Angeles San Clemente Island, arroyo 1 mile north of Eel Point 20 Comment
  UCR238625  Lagophylla ramosissima Anuja Parikh, Nathan Gale 2010-5-12 3160 Los Angeles Western Mojave Desert, Antelope Valley, 3.9 km south of Hwy 138, 0.2 km west of 120th St. West, under power transmission lines 783 Comment
  RSA623828  Lamarckia aurea T. Gertrude Williamson 1935-4-10 1545 Los Angeles Claremont. Comment
  UCD63391  Lamarckia aurea Louis C. Wheeler 1934-3-23 2459 Los Angeles 1/4 mi. above Dam, San Dimas Canyon, San Gabriel Mts. 426 Comment
  POM352632  Lamarckia aurea Anstruther Davidson 1890-05 s.n. Los Angeles [no locality information provided] Comment
  SEINET13946470 Image available Lamium amplexicaule Scott D. White 1996-1 3818 Los Angeles Geneva Ave: N of San Jose, S of Arrow Hwy; W of Indian Hill, E of Towne. 34 deg. 5'N, 117 deg. 43.5'W. 1060 ft alt. 323 Comment
  SD129270  Lampranthus tenuifolius Andrew C. Sanders 1988-2-18 7689 Los Angeles El Segundo Dunes, West of L.A.International Airport between Pershing Dr. and vista Del Mar Blvd 4 Comment
  RSA603414  Lasthenia californica L. C. Wheeler 1936-4-12 4090 Los Angeles Hills S of Monterey Park, south side. 122 Comment
  SD133174  Lasthenia californica E. La Rue, R. Montijo 2-4 Apr 1991 91 15 Los Angeles Palmdale; south of Avenue M and E of Sierra Highway; north of Air Force Plant. 790 Comment
  RSA252970  Lasthenia californica R. F. Thorne, C. W. Tilforth 1973-4-20 43090 Los Angeles San Bernardino National forest; Mormon Rocks and Cajon Canyon 1036 Comment
  RSA264062  Lasthenia californica Noel Holmgren 1974-4-5 7626 Los Angeles N foothills of the San Gabriel Mtns, Portal Riudge, 13 airline miles W of Lancaster. 1067 Comment
  SD28068  Lasthenia californica Carl B. Wolf 1932-5-10 3518 Los Angeles Santa Catalina Island; along the equestrian trail, back of Avalon. 850 Comment
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May 30 2012
  SBBG95197  Lasthenia gracilis M. B. Dunkle 1928-3-31 1765 Los Angeles Little Harbor 91 Comment
  UCR170391  Lasthenia gracilis A. C. Sanders 2005-5-5 29939 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, west edge of Cruzan Mesa, north of Bench Mark 'Plum 671 Comment
  SEINET4044580  Lathyrus vestitus D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  SFV1819  Lathyrus vestitus M. L. Vincent 1963-5-7 341 Los Angeles Santa Susana Mountains Santa Susana Pass Road. 0.5 miles east of Ventura County line near top of the pass. 0.25 miles off the main road at the top of the pass on a small path. 489 Comment
  UCR217415  Lathyrus vestitus R. G. Swinney 2009-3-10 10059 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  RSA60204  Lathyrus vestitus subsp. laevicarpus E. K. Balls, L. W. Lenz 1950-3-28 14454 Los Angeles 12 miles south of Castaic, hwy 99. 335 Comment
  RSA651068  Lathyrus vestitus subsp. vestitus Paul M. Inman 1983-5-8 50883 -22 Los Angeles Big Santa Anita Canyon in the Angeles National forest, San Gabriel Mountains, about 1 miles north of Arcadia. From east facing ridge. On upper Creek Trail leading to Hoegee's camp. 915 Comment
  RSA405698  Lathyrus vestitus var. vestitus I. M. Johnston 1922-4-10 s.n. Los Angeles Mt. Lowe Comment
  UCR256600  Lathyrus vestitus var. vestitus Anuja Parikh, Nathan Gale 2011-7-3 3531 Los Angeles Transverse Ranage; San Gabriel Mountains, along road to Barley Flats, 2.9 km west of Shortcut Station, 1.3 km north of State Hwy 2, Angeles Crest Hwy 1597 Comment
  RSA717221  Layia glandulosa Scott D. White, Pam De Vries 2006-5-10 11440 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  POM9942  Layia glandulosa F. W. Peirson 1921-7-3 s.n. Los Angeles 2 miles east of Rock Creek 2287 Comment
  UC194114  Layia platyglossa S. B. and W. F. Parish Jun 1887 1924 Los Angeles Elizabeth Lake Comment
  UC468913  Layia platyglossa Geo. B. Grant 1905-4-20 109 Los Angeles Pasadena Comment
  UCR216383  Layia platyglossa Dan S. Cooper 2010-5-10 510- 47 A Los Angeles Western Transverse Range; eastern Santa Monica Mtns., Oak Canyon, Griffith Park 305 Comment
  CAS-BOT-BC380219  Layia platyglossa Peter H. Raven 1962-5-21 17816 Los Angeles Santa Catalina Island: lower end of Bullrush Cnyon 198 Comment
  CAS-BOT-BC380224  Layia platyglossa Le Roy Abrams; I. L. Wiggins 1931-7-6 376 Los Angeles Mosquito Harbor, San Clemente Island Comment
  POM277125  Layia platyglossa subsp. campestris E. S. Steele, H. S. Pratt 1934-4-9 s.n. Los Angeles Burbank Comment
  UC104294  Lepechinia fragrans Dr. A. Davidson Los Angeles near Wilsons Peak Comment
  CAS-BOT-BC89082  Lepidium didymum Robert F. Thorne 1971-2-21 41375 Los Angeles Rancho Santa Ana Botanic Garden, Claremont. Comment
  RSA429872  Lepidium flavum George R. Johnstone 1932-4-24 15118 Los Angeles 15 miles E of Palmdale. Mojave Desert. Comment
  RSA584312  Lepidium flavum Timothy S. Ross, Steve Boyd 1991-3-23 4274 Los Angeles Mojave Desert, along N 200th Street East, 1.5 miles S of E Avenue G (Hi Vista). 907 Comment
  RSA40488  Lepidium fremontii W. R. Dudley 1896-6-4 4312 Los Angeles Lancaster. Comment
  CATA1730  Lepidium latipes Mark L. Hoefs, Steven A. Junak 2000-4-14 3077 Los Angeles Santa Catalina Island: Hill above Empire Landing 327 Comment
  CATA1597  Lepidium nitidum Mark L. Hoefs, Robert F. Thorne 1998-4-25 2866 Los Angeles Santa Catalina Island: At Echo Lake 402 Comment
  RSA526546  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4233 a Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA429648  Lepidium perfoliatum Anstruther Davidson 1922-5-28 s.n. Los Angeles Lancaster. Comment
  SD230190  Lepidium pinnatifidum Louis C. Wheeler 1973-6-12 Los Angeles California State University, Long Beach. Comment
  UCR224021  Lepidium virginicum Steve Boyd, Rick Riefner 2007-4-27 11736 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  POM90627  Lepidospartum latisquamum P. A. Munz 1923-9-1 7700 Los Angeles Saw Mill, Swartout Valley 2026 Comment
  CAS-BOT-BC328064  Lepidospartum squamatum F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp. San Gabriel Mts. 914 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
  RSA311410  Lepidospartum squamatum Cheryl A. Lawson 1971-7-9 414 Los Angeles Vogel Flat, Big Tujunga Canyon, San Gabriel Mountains, Angeles National Forest. Comment
  UCR3693  Lepidospartum squamatum Frank C. Vasek 1963-8-16 630816- 02 Los Angeles San Gabriel Mtns., Coldwater Canyon at Cattle Canyon crossing 777 Comment
  CHSC109702  Leptochloa fusca subsp. uninervia Julie A. Greene 1997-9-12 Los Angeles Long Beach Area: Intersection of Pacific Coast Highway/Studebaker Road, near Long Beach Marina. 5 Comment
  SDSU13484  Leptodactylon californicum David Shaari, Jennifer Swenson 1995-4-11 13 Los Angeles Western slope of small canyon branching off of Stokes Canyon Road, Approx. 1.5 miles from intersection with Mulholland Drive. 277 Comment
  SBBG126924  Leptosiphon breviculus A. Parikh, N. Gale 2011-5-26 3396 Los Angeles upper Big Tujunga Cyn, 0.3 km ENE of Shortcut Stn, 0.7 km N of St Hwy 2 1308 Comment
  RSA191187  Leptosiphon breviculus R. F. Thorne, M. Z. Thorne 1967-7-19 37174 Los Angeles Angeles National Forest: Big Cienega Springs above Crystal Lake Recreation Area. 1981 Comment
  RSA550287  Leptosiphon breviculus W. Wisura, G. Perez 1992-5-19 4775 Los Angeles Big Pine Rd. 2.5 mi W of Largo Vista Rd. Comment
  POM364639  Leptosiphon liniflorus Fordyce Grinnell Jr. 1915-9-6 s.n. Los Angeles Near Pasadena. Comment
  UCSB16969  Leptosyne californica Meisenbach, C. 1963-5-3 Los Angeles State Highway 138, 3.6 miles west of Victorville junction east of Pearblossom 944 Comment
  POM250005  Lessingia glandulifera var. glandulifera E. C. Jaeger 1938-7-1 s.n. Los Angeles Mojave Desert. Comment
  UC284739  Lessingia glandulifera var. peirsonii P. A. Munz 1923-6-9 6936 Los Angeles near Elizabeth Lake (canyon n of Pine Canyon) 1219 Comment
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Feb 15 2016
  CAS-BOT-BC283825  Leymus condensatus Cecil Hart 1921-7-1 17 Los Angeles Howard and Smith's nursery, Montebello Comment
  RSA164310B  Leymus condensatus Wesley O. Griesel, B. Miller 1963-7-2 s.n. Los Angeles Old Grapevine, Angeles National Forest. 915 Comment
  POM352207  Leymus triticoides Robert Gustafson 1978-6-1 970 Los Angeles Near the entrance of Hungry Valley off dirt road leading into the valley, 0.1 west of the paved 2-lane Peace Valley Rd., about 1/4 miles west of Gorman. 1220 Comment
  RSA604148  Lilium parryi Louis C. Wheeler 1970-9-10 s.n. Los Angeles San Gabriel Mountains: South Fork Alder Gulch. 1676 Comment
  RSA468449  Linanthus californicus subsp. glandulosus Mable Emler 1929-7-18 s.n. Los Angeles Griffith Park. Comment
  RSA652605  Linanthus californicus subsp. glandulosus Bill Wilds 1956-3-29 s.n. Los Angeles Topanga Canyon. 487 Comment
  RSA73009  Linanthus concinnus F. W. Peirson 1928-6-2 7931 Los Angeles S fork of Rock Creek: trail toward the summit. 1982 Comment
  UCD118502  Linanthus dianthiflorus Robert F. Thorne Date Unknown 34461 Los Angeles N slope of Black Jack Mountain, Santa Catalina Island. 457 Comment
  RSA314059  Linanthus parryae W. Wisura 1983-4-13 3903 Los Angeles 20.7 miles from [Interstate] 15 along [Hwy] 138. Comment
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Dec 22 2016
  RSA716671  Linanthus parryae Scott D. White, Pam De Vries 2006-5-10 11455 Los Angeles SE Tehachapi Mtns: Gorman area, valley and slopes along Gorman Creek, NE of I-5 Fwy. and SW of Gorman Post Rd. 1006 Comment
  UC494778  Linanthus parryae T. Craig 1928-4-28 1037 Los Angeles Big Rock Creek Road to Los Angeles County Playground Comment
  UC23772  Linanthus parviflorus J. Burtt Davy May 9 1896-May 24 1896 2316 Los Angeles Llano Verde, West Palmdale Antelope Valley Comment
  UCR51504  Linaria maroccana A. C. Sanders 1988-2-3 7604 Los Angeles Pacific slope, El Segundo Dunes, west of Los Angeles International Airport & Pershing Drive, east of Vista Del Mar Blvd. 30 Comment
  CATA3325  Lithophragma affine Amy Catalano 2017-4-3 042 Los Angeles Santa Catalina Island: About 1.25 miles down canyon from eastern junction between Middle Ranch & Skull Ridge roads, on n-facing bank on south side of road 249 Comment
  SBBG109138  Lithophragma maximum S. A. Junak 1997-10-29 SCl 992 Los Angeles upper part of second cyn S of Camera Pad "Malo" 320 Comment
  CATA1911  Lobelia dunnii var. serrata Shaun M. McCoshum 2010-8-12 2 Los Angeles Santa Catalina Island: East facing side drainage of Silver (Grand) Canyon 156 Comment
  RSA436047  Lobularia maritima A. G. Goodwin 1940-05 s.n. Los Angeles Hermosa Beach Comment
  UCD118872  Loeseliastrum matthewsii Geoffrey Levin 1975-5-17 511 Los Angeles 1.5 miles east on State 138 from junction with State 18 near Pinyon Hills. 1158 Comment
  SBBG14265  Logfia arizonica M. A. Piehl 1962-6-9 62343 Los Angeles near head of China Cyn, ca. 2 mi from China Pt 213 Comment
  CAS-BOT-BC342202  Logfia filaginoides H. Wedberg 1966-4-3 1183 Los Angeles Above Hill Dr. x Neal, in Eagle Rock 457 Comment
  SFV16510  Logfia filaginoides K. Tajbakhsh 1996-5-2 21 Los Angeles San Fernando Valley Chatsworth. Rocky Point Park about 300 m on the main trail on a west facing slope. Comment
  SEINET251657 Image available Lolium perenne A. C. Sanders, Mark A. Elvin 2003-6-18 26940 Los Angeles Santa Susana Mountains: along road on crest of range from Salt Canyon, north of head of El Toro Canyon, Newhall Ranch (Simi Valley East 7.5 Q.:) 853 Comment
  UC1109371  Lolium perenne Peter H. Raven 1962-5-8 17617 Los Angeles Wilson Cove San Clemente Island (barracks area); , Wilson Cove 91 Comment
  RSA678121  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-22 1238 Los Angeles Morgan Fire 2000 area, between Morgan and Wildwood Canyons, WSW of Sycamore Flat. 648 Comment
  UC120524  Lolium temulentum T. S. Brandegee 1890-5-27 52 Los Angeles Santa Catalina Island Comment
  RSA570219  Lomatium mohavense T. S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5015 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash 841 Comment
  RSA747148  Lomatium mohavense R. G. Swinney 2008-5-8 8813 Los Angeles West Fork Punchbowl Canyon near north boundary of Devils Punchbowl Co. Park, 0.6 mi. southwest of Big Rock Creek Rd. 1264 Comment
  UCR205845  Lomatium mohavense R. G. Swinney 2008-5-8 8813 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
  RSA771580  Lomatium nevadense R. G. Swinney 2009-5-6 10663 Los Angeles Carr Canyon, 0.4-1.5 miles SE of Mt. Emma Rd., upper south fork of Carr Cyn. 963 Comment
  RSA0073283  Lomatium nevadense var. parishii Bonnie C. Templeton 1932-5-31 4655 Los Angeles Near Jackson Lake, Big Pines Camp, San Gabriel Mts. Comment
  LA32132  Lomatium utriculatum Peter H. Raven; Henry J. Thompson 1959-4-3 13927 Los Angeles Santa Monica Mountains, just E of Malibu Junction 243 Comment
  RSA243774  Lonicera hispidula var. vacillans F. R. Fosberg 1931-7-9 763 Los Angeles Santa Catalina Island; Avalon. 50 Comment
  RSA530067  Lonicera interrupta T. S. Ross 1991-8-16 5871 Los Angeles San Gabriel Mountains, Horse Flats 1787 Comment
  UCR212810  Lonicera subspicata var. denudata Ellen Mackey, Bart O'Brien, Blake Whittington 2006-11-14 NFWF- 1854 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River Watershed, Webb Canyon Road bridge 413 Comment
  RSA406737  Lotus argophyllus var. argophyllus I. M. Johnston 1917-6-15 1278 Los Angeles Cascade Canyon. 1372 Comment
  RSA90067  Lotus argophyllus var. argophyllus F. W. Peirson 1921-5-12 4091 Los Angeles Big Santa Anita Canyon, S base of San Gabriel Mts 762 Comment
  RSA724426  Lotus corniculatus K. Dobry 1991-6-13 d- 703 Los Angeles Santa Monica Mts. Las Virgenes and Mulholland Hwy at Soka Univ. Comment
  RSA596418  Lotus crassifolius var. crassifolius T. S. Ross 1990-6-11 3355 Los Angeles Big Rock Creek canyon. 120m NNW of Icy Springs, around a stone building that has been gutted by fire (the Webber Cabin) 1731 Comment
  UC54967  Lotus heermannii H. P. Chandler 1902-9-9 2032 Los Angeles Ballona Marshes Comment
  UC864785  Lotus heermannii Carl B. Wolf 1932-8-11 Los Angeles 1.12 mi below Big Rock Creek Ranger Station (desert slope of San Gabriel Mts.); San Gabriel Mts., Big Rock Creek 914 Comment
  RSA406170  Lotus heermannii Anstruther Davidson 1889-07 s.n. Los Angeles Los Angeles Comment
  POM156519  Lotus heermannii var. heermannii L. R. Abrams 1902-7-4 2651 Los Angeles San Gabriel Canyon Comment
  RSA660060  Lotus heermannii var. heermannii Matt Bogdanoff 1981-5-24 10 Los Angeles Big Dalton Cyn. Rd., 0.7 mi E of junction with Glendora Mtn. Rd., N of Glendora. 396 Comment
  UCR187232  Lotus humistratus A. C. Sanders 2006-4-25 32189 Los Angeles Transverse Range; Liebre Mtns. Region, 3/4 mi. NW of La Liebre Ranch on the south side of Hwy 138, west of the mouth of Tentrock Canyon 976 Comment
  RSA632448  Lotus humistratus L. C. Wheeler 1973-4-21 s.n. Los Angeles Foothills of San Gabriel Mountains: 2 miles northeast of Vincent. 991 Comment
  RSA0022520  Lotus nevadensis Duncan S. Bell, Caitlin Elam 2013-6-24 5240 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, between Allison Gulch and Rattlesnake Canyon. 740 Comment
  RSA406212  Lotus oblongifolius var. oblongifolius B. C. Templeton 1932-8-26 5097 Los Angeles Big Rock Creek; San Gabriel Mountains 1905 Comment
  RSA0108841  Lotus procumbens R. G. Swinney 2010-6-1 13156 Los Angeles San Gabriel Mountains: Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA230658  Lotus procumbens var. procumbens R. F. Thorne 1969-7-10 38440 Los Angeles Big Pines Hwwy., c. 1.5 miles W of Wrightwood, Swarthout Valley 1951 Comment
  RSA724418  Lotus purshianus var. purshianus K. Dobry 1991-6-27 d- 784 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  UC1922168  Lotus purshianus var. purshianus Valerie L. Soza, Ileene Anderson, LeRoy Gross 2000-6-6 975 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, southwest side: North of Chandler Fire Road (Verdugo Mtwy), N of ''La Tuna'', above Chandler and Fisher canyons, S of La Tuna Canyon Near 34deg 13' 36.7'' N 118deg 20' 9.2'' W T2N R14W NE/4, SW/4 sec. 27. Elev. 1600 Feet. Comment
  IRVC27980  Lotus salsuginosus A. C. Sanders, Tricia Wotipka, Mark A. Elvin, et al. 2003-4-28 26135 Los Angeles Castaic Mesa, Newhall Ranch, north of the filtration plant along a dirt track near the crest of the hills, east of and above Lake Hughes Rd., near Castaic Lake dam Western San Gabriel Mtns. 488 Comment
  RSA187884  Lotus salsuginosus R. F. Thorne 1966-4-5 35856 Los Angeles Above stream in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  CAS-BOT-BC173167  Lotus strigosus Timothy S. Ross; Steve Boyd 1994-5-4 7622 Los Angeles San Francisquito Canyon: Headwaters of the canyon, NE of Green Valley; ca 600 m SW of summit of grade; ca 2460 m ESE of Grass Mtn summit 1075 Comment
  RSA0116455  Lotus strigosus R. G. Swinney 2011-4-1 14308 Los Angeles San Gabriel Mountains/SW Mojave Desert; WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  POM214390  Lotus wrangelianus L. C. Wheeler 1932-4-30 673 Los Angeles Near UCLA campus, W. Los Angeles. 137 Comment
  UC440403  Lotus wrangelianus Carl Epling and Lincoln Ellison 1929-5-18 Los Angeles Topanga Canyon Santa Monica Mountains Comment
  UCR200202  Lotus wrangelianus Valerie Soza, LeRoy Gross, Adelina Munoz 2000-5-12 902 Los Angeles Transverse Ranges; Verdugo Mountains, northwest side, northwestern end of Verdugo Crestline Drive from New Home Avenue, Sunland. Ridge east of 210 Fwy and west of fire road, south (above) water tank 488 Comment
  UCR191517  Lupinus R. G. Swinney 1998-7-8 6315 Los Angeles San Gabriel Mountains, northwest of Wrightwood, eastern end of Jackson Flat 2287 Comment
  CATA1634  Lupinus albifrons Mark L. Hoefs, Steven A. Junak, Lisa Stratton 1998-6-11 2917 Los Angeles Santa Catalina Island: Upper Avalon Canyon, near horse trail 109 Comment
  SEINET10488417  Lupinus albifrons David B. Dunn 1957-5-18 Dunn s.n. Los Angeles Plants 3 years old. Grown in field planting at rancho santa ana botanical Garden. Hybridization by d.b.dunn. Rsa# 6450 x 7325 Comment
  SD31195  Lupinus albifrons var. albifrons Edith A. Purer 1931-4-28 1755 Los Angeles Palos Verdes Hills. Along roadside. Comment
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Mar 15 2016
  SEINET10688762  Lupinus arizonicus subsp. arizonicus David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3623 Los Angeles South facing side of ravine west of the buildings of California Poly. Campus. 3 1/2 miles SW of San Dimas. Comment
  RSA710706  Lupinus bicolor Valerie L. Soza, Susan Caplow 2003-4-11 1629 Los Angeles Brand Park vicinity, head of Brand Canyon, alongside Brand Park Mtwy, north side of powerline tower. 640 Comment
  SBBG71253  Lupinus bicolor R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  UCR126750  Lupinus bicolor A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26228 Los Angeles Western San Gabriel Mtns., Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property 351 Comment
  RSA276038  Lupinus bicolor Jack Delaini 1974-4-30 144 Los Angeles Los Angeles County 808 Comment
  RSA595992  Lupinus bicolor L. C. Wheeler 1967-5-8 9344 Los Angeles San Gabriel Mts [Liebre Mtns] between Bouquet Junction and Bonelli Ranch. 396 Comment
  RSA679928  Lupinus concinnus LeRoy Gross, Bill Hogshead, Orlando Mistretta, Valerie Soza 2003-5-23 935 Los Angeles Pacifico Mountain Road (3N17) ca. 1.3 miles NW along road from Alder Saddle to Pacifico Mountain and 2 miles SE from Mt. Pacifico Campgroud turnoff. 1784 Comment
  SD66900  Lupinus concinnus R. Mitchel Beauchamp 1967-3-20 345 Los Angeles Santa Catalina Island; above Abalone Point, south of Avalon. Comment
  RSA587109  Lupinus concinnus Orlando Mistretta 1995-4-21 1624 Los Angeles San Gabriel Mts., Little Rock Creek, Unnamed Canyon draining the west slopes of Little Rock Creek Canyon 0.5 mile North of Kitter Canyon. 1037 Comment
  RSA0036523  Lupinus excubitus Daisie Huang 2007-5-30 07053302 Los Angeles Glendora Ridge Road. Comment
  SBBG112165  Lupinus excubitus C. Bornstein, B. Collins 1997-4-14 Los Angeles Liebre Mtn Rd Comment
  CAS-BOT-BC216660  Lupinus excubitus subsp. hallii C. F. B. 1903-4-1 4102 Los Angeles Anaheim Comment
  POM295534  Lupinus excubitus var. hallii Lyman D. Benson 1945-6-5 11753 Los Angeles Cold Spring, 2 1/2 miles southwest of Camp Baldy on the Glendora Road. San Gabriel Mt. Range 1372 Comment
  POM2586  Lupinus formosus J. Tucker 1902-04 s.n. Los Angeles Near Pasadena. Comment
  SD121776  Lupinus formosus var. bridgesii Dara Emery 1955-4-28 Los Angeles 2.0 miles north of Rock Creek turnoff on road to Big Pines. Comment
  POM199724  Lupinus hirsutissimus I. W. Clokey, Bonnie C. Templeton 1929-03 4474 Los Angeles Mandeville Canyon, Santa Monica Mountains. 250 Comment
  POM2496  Lupinus hirsutissimus C. F. Baker 1904-4-1 4096 Los Angeles Claremont. Comment
  RSA595124  Lupinus hirsutissimus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8570 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along Angeles National Forest Road 8N01, 6.2 road miles from jtn with 8N05. 1174 Comment
  SFV21016  Lupinus hirsutissimus L. Gross, M. Denslow, M. Sidibeh, V. Soza 2003-2-10 701 Los Angeles Verdugo Mountains South side of Verdugo Mountains along dirt road (Brand Park Motorway) to top of crest at Verdugo Motorway. 695 Comment
  UC284194  Lupinus hyacinthinus P. A. Munz 1923-8-31 7673 Los Angeles Swartout Valley; San Gabriel Mts., Swartout Valley 2590 Comment
  UCR182738  Lupinus latifolius R. G. Swinney 1997-6-19 5629 Los Angeles San Gabriel Mtns., Big Pines at junction of Big Pines Hwy and Hwy 2 (Angeles Crest), west of Wrightwood 2088 Comment
  RSA2424  Lupinus longifolius I. M. Johnston 1917-7-1 1444 Los Angeles near Brown's flat 1357 Comment
  SD193285  Lupinus microcarpus A. C. Sanders 2005-5-5 29905 Los Angeles Cruzan Mesa along dirt road at northeast end of mesa. 640 Comment
  OBI48535  Lupinus microcarpus var. microcarpus Rhonda Riggins 1981-5-24 1232 Los Angeles Along Peace Valley Rd (frontage to I5) 0.5 mi S Frazier Mtn Park Rd, 2 mi N Gorman Comment
  SD185224  Lupinus odoratus S. J. Myers 2005-5-11 Los Angeles Northeast of Lancaster, southwest of the intersection of Avenue H and 10th Street. 719 Comment
  SFV19154  Lupinus odoratus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2003-5-12 194 .1 Los Angeles Mojave Desert Alpine Butte. 850 Comment
  JEPS24437  Lupinus peirsonii Charles F. Quibell 1960-5-28 400 Los Angeles on se side of Mount Islip, visible from the Crystal Lake area Mount Islip 2133 Comment
  RSA311425  Lupinus peirsonii Michael C. Long, McKernan 1977-6-4 s.n. Los Angeles Big Rock Creek, 3 miles N of Big Rock Creek Campground. 1402 Comment
  UC1922288  Lupinus sparsiflorus Valerie L. Soza, Eileen Edwards, LeRoy Gross, Bart O'Brien 2000-4-25 746 Los Angeles Transverse Ranges; Verdugo Mountains region; Verdugo Mountains, south side: Above Burbank, Wildwood Canyon, west of Wildwood Canyon Road. Trail along ridgetop to Forester Grove, Radio Towers, and Verdugo Mtwy. Near 34deg 12' 17.5'' N 118deg 17' 46.1'' W T1N R14W N/2, NE/4 sec. 1. Elev. 1400 Feet. 427 Comment
  PASA1680  Lupinus succulentus Sally Ellis 1940-4-22 Los Angeles Puddingstone Comment
  SBBG31354  Lupinus succulentus R. F. Thorne with P. C. Everett 1965-5-12 34609 Los Angeles Bullrush Cyn Comment
  SD234397  Lupinus succulentus A. C. Sanders, T. Wotipka, M. A. Elvin, et al 2003-4-28 26138 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. 487 Comment
  RSA0019305  Lupinus succulentus Doris Bowers 1967-5-21 384 Los Angeles Palos Verdes Peninsla 305 Comment
  RSA199162  Lupinus succulentus Robert F. Thorne, D. Propst 1968-5-27 37627 Los Angeles Santa Catalina Island, near margin of Thompsons Reservoir, Middle Ranch at upper (W) end of reservoir. Comment
  CHSC8295  Lupinus truncatus Edward L. Smith 1957-4-29 172 Los Angeles Plant from Cactus Garden, Pomona College, Claremont. 365 Comment
  LA200481  Lupinus truncatus A. M. Johnson; 1934-3-16 4337 Los Angeles SIMI HILLS, Johnson's Ranch beyond Chatsworth. Comment
  RSA414381  Lupinus truncatus Samuel R. Tyson 1942-5-1 s.n. Los Angeles San Dimas Exper. For., San Dimas Canyon trial to flumes 4 & 5 Comment
  RSA177822  Lycium californicum Robert F. Thorne, Percy C. Everett 1965-5-11 34648 Los Angeles Along road to Rancho Escondito above Cottonwood Dam in Cottonwood Canyon, Santa Catalina Island. 107 Comment
  CAS-BOT-BC231610  Lycium cooperi Frank W. Peirson 1921-5-19 1086 Los Angeles San Gabriel Mts., Little Rock Cr. Comment
  UCD65154  Lyonothamnus floribundus subsp. floribundus G. L. Webster; M. Hoeff, R. Thorne, J. M. Tucker 1992-3-30 7757 Los Angeles CATALINA ISLAND: slopes E of Black Jack; trees 10--15 m high. 400 Comment
  POM308912  Lythrum californicum Unspecified 1942-5-22 627 Los Angeles trail to Flumes 4 and 5 N side, San Dimas Experimental Forest, San Gabriel Mt. Comment
  POM4786  Machaeranthera canescens var. canescens I. M. Johnston 1917-8-22 1647 Los Angeles Prairie Fork of San Gabriel River. 1982 Comment
  CATA3410  Madia gracilis Julia A. Parish, Tobias Nickel, Jamie Choi, Stuart Olshevski 2017-5-30 024 Los Angeles Santa Catalina Island: Junction of Toyon Road and ridge trail to Campus By the Sea 312 Comment
  POM362172  Madia gracilis F. R. Fosberg 1931-1 692 Los Angeles Pebble [Pebbly] Beach Canyon, Rt Fortk, Santa Catalina Island. 70 Comment
  UCR280941  Madia sativa Mitch Provance 2017-6-30 617- 33 Los Angeles Catalina Island, Northern edge of Avalon, loop road around Sugar Loaf Pk., upper portion of Chime Tower Rd. 145 Comment
  RSA377727  Maianthemum Aloys Nicholson 1933-5-7 s.n. Los Angeles Malibu Canyon, Santa Monica Mountains. Comment
  UC18790  Malacothamnus fasciculatus var. fasciculatus T. Davidson 1892-1 Los Angeles Los Angeles Comment
  CAS-BOT-BC206361  Malacothamnus fremontii Le Roy Abrams; E. A. McGregor 1908-6-22 405 Los Angeles Between Oak Grove Canyon and Elizabeth Lake Comment
  RSA575102  Malacothamnus fremontii R. G. Swinney 1994-6-12 2937 Los Angeles Ca. 1.7 mi. N of jct of Hwy 138 & Soledad Rd, just W of San Bernardino County line/ Approx. 150 m W of Boneyard Canyon. 1311 Comment
  UCR78073  Malacothamnus fremontii David Charlton 1991-7-5 5514 Los Angeles San Gabriel Mtns., Angeles National Forest: Elizabeth Lake Canyon Road, at bridge near Warm Springs Canyon 610 Comment
  UCR209060  Malacothrix californica A. C. Sanders 2007-4-25 33594 Los Angeles Tehachapi Mtns., Oso Canyon, 0.7 mi. SE of the Kern Co. line along Oso Cyn. Rd. 1143 Comment
  RSA573467  Malacothrix clevelandii Timothy S. Ross 1992-5-8 6295 Los Angeles San Gabriel Mountains: San Antonio Canyon; upper N side of Hog Back. 1183 Comment
  RSA535331  Malacothrix foliosa Timothy S. Ross 1991-5-20 5347 Los Angeles San Clemente Island: un-named knoll ca 5500 ft. S of Wilson Cove Settlement; westerly slope 2500 ft NW of the 750' BM 186 Comment
  UC1215278  Malacothrix foliosa Peter H. Raven 1962-4-11 17291 Los Angeles Wilson Cove San Clemente Island (barracks area) 91 Comment
  CAS-BOT-BC347932  Malacothrix saxatilis var. tenuifolia L. R. Abrams 1900-8-1 s.n. Los Angeles Ballona Sand Hills Comment
  POM362381  Malacothrix saxatilis var. tenuifolia Mary H. Ward 1970-6-19 LASCA- 938 Los Angeles San Rafael Hills, behind Linda Vista, southwestern Pasadena Comment
  RSA658828  Malacothrix saxatilis var. tenuifolia Louis van Velzen 1987-5-19 87 -17 Los Angeles Walnut Creek Co. Pk., west of San Dimas, on trail between Scarborough St. [Lane] and 210 [57] Fwy. Comment
  UC468867  Malacothrix saxatilis var. tenuifolia Crawford and Hiatt 1916-3-28 578 Los Angeles Santa Monica Mts. Comment
  RSA94954  Malacothrix saxatilis var. tenuifolia F. W. Peirson 1921-7-20 2118 Los Angeles San Gabriel River. 457 Comment
  SBBG110451  Malephora crocea S. A. Junak 1997-8-26 SCl 936 Los Angeles Wilson Cove, along nature trail, on W side of cyn above pier 106 Comment
  SFV1130  Malephora crocea K. A. Wilson 1961-3-12 1001 Los Angeles Zuma Beach. On sand above tide line. 3 Comment
  SBBG128114  Malva assurgentiflora M. L. Hoefs, J. Phelps 1995-6-20 2282 Los Angeles Bird Rock, islet near Isthmus Cove 9 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
  UCR155934  Malva parviflora A. C. Sanders 2005-5-5 29895 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  UCR213409  Malva parviflora A. C. Sanders, Dan S. Cooper 2010-3-12 37342 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  RSA641561  Malva parviflora Louis C. Wheeler 1967-5-15 9608 Los Angeles San Gabriel Mountains; Whitney Canyon. 473 Comment
  RSA0004200  Malvastrum gabrielense F. W. Peirson 1921-7-1 774 Los Angeles Arraster Creek, San Gabriel Mts 1067 Comment
  UCD107552  Marah horrida Daryl Koutnik; Bruce Holguin 1978-4-1 226 Los Angeles Antelope Valley side of road from Lake Hughes to Fairmont Resevoir. 1066 Comment
  UC148000  Marah macrocarpa C. F. Baker 1909-2-15 5243 Los Angeles mts. near Claremont Comment
  UCR55755  Matricaria matricarioides J. A. Adams 1964-5-8 41 Los Angeles San Gabriel Valley, Pomona College Wash [=west edge of San Antonio Creek channel?], Claremont 335 Comment
  CATA57  Medicago polymorpha Mark L. Hoefs, A. Douglas Propst 1973-3-3 36 Los Angeles Santa Catalina Island: North slope of Mt. Black Jack 441 Comment
  POM155739  Medicago polymorpha M. B. Dunkle 1928-4-10 1814 Los Angeles Emerlad Bay. 30 Comment
  POM348028  Medicago polymorpha Unspecified 1903-5-5 s.n. Los Angeles U.S.C Campus Comment
  CAS-BOT-BC281508  Melica imperfecta Timothy S. Ross; J. Mark Porter 1995-5-4 8454 Los Angeles Liebre Mts. Texas Canyon: ca 1.9 miles NE of Bouquet Canyon Rd 585 Comment
  RSA725311  Melica imperfecta K. Dobry 1991-6-24 d- 730 Los Angeles At Soka Univ. Santa Monica Mts. Las Virgenes and Mulholland Hwy. Comment
  SEINET10599465  Melica imperfecta LeRoy R. Abrams Abrams 1220 Los Angeles Ballena Harbor. Comment
  CLARK-A1528-4736  Melica stricta John C. Roos 1937-5-31 611 Los Angeles San Gabriel Mountains Comment
  POM348165  Melilotus albus Edith Allen 1939-7-27 s.n. Los Angeles Playa del Rey. Comment
  UC56940  Melilotus indicus Miss E. D. Palmer November, 1904 Los Angeles Los Angeles Comment
  RSA760711  Melinis repens R. G. Swinney 2008-12-2 9924 Los Angeles Azusa, mouth of San Gabriel Canyon 0.8 mi. north of Foothill Blvd. 195 Comment
  SBBG12380  Mentha canadensis E. R. Blakley 1961-8-18 4609 Los Angeles Zuma Beach Comment
  RSA435437  Mentzelia albicaulis Robert Gustafson 1982-4-26 2541 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  RSA747193  Mentzelia dispersa R. G. Swinney 2008-6-10 8998 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
  RSA286434  Mentzelia dispersa Mary H. O Brien 1976-5-15 76- 5 -15-1 Los Angeles San Gabriel Mountains. 5 mi W of Wrightwood on Hwy 2, .5 mi up Blue Ridge Nature Trail starting opposite Big Pines Ranger Station. 1951 Comment
  UCR145823  Mentzelia laevicaulis June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains, Big Rock Creek Fire Station, Fenner Canyon 1616 Comment
  OBI25817  Mentzelia micrantha Williams 1961-4-20 s.n. Los Angeles Angeles Crest hwy Comment
  UCR181136  Mentzelia micrantha R. G. Swinney 1997-5-13 5515 Los Angeles San Gabriel Mtns, Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam 439 Comment
  RSA229021  Mentzelia montana Robert F. Thorne, C. W. Tilforth 1971-6-30 40792 Los Angeles San Gabriel Mts., Angeles National Forest: Desiccated branch of S fork of Little Rock Creek, 1.8 miles below Alder Saddle in Pinyon Flats area. 1555 Comment
  CAS-BOT-BC167613  Mentzelia veatchiana Ernest Braunton 1902-4-29 219 Los Angeles W. Pomona Comment
  SBBG31430  Mesembryanthemum crystallinum R. F. Thorne 1966-4-4 35783 Los Angeles Bird Rock, N of Isthmus Cove 7 Comment
  SBBG94226  Mesembryanthemum crystallinum F. R. Fosberg 1931-5-18 4891 Los Angeles Little Harbor 2 Comment
  CAS-BOT-BC435285  Mesembryanthemum nodiflorum L. R. Abrams; I. L. Wiggins 1931-7-3 289 Los Angeles Channel Islands. Santa Barbara Island Comment
  CAS-BOT-BC435290  Mesembryanthemum nodiflorum Robert F. Thorne 1970-3-6 39397 Los Angeles Santa Catalina Island: Indian Rock in Emerald Bay 15 Comment
  SD264784  Microseris douglasii subsp. platycarpha Steven A. Junak 2001-5-18 Sca 1545 Los Angeles Santa Catallina Island. Cottonwood Canyon, along Cottonwood-Blackjack Road, ca. 1.6 miles WSW of Blackjack Peak. Comment
  POM246542  Microseris lindleyi F. R. Fosberg 1931-3-27 4403 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  UCR85447  Microseris lindleyi R. G. Swinney 1994-5-7 2826 Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 0.4-0.6 mi north of Big Dalton Canyon Road on Mystic Canyon Trail 488 Comment
  LA26053  Mimulus aurantiacus Judith Webb; 1955-4-2 sn Los Angeles Santa Monica Mountains, fireroad below Mount Saint Mary's College 243 Comment
  RSA680081  Mimulus aurantiacus Mark A. Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 358 Los Angeles San Gabriel Mtns. Angeles National Forest. 2.7 mi from gate at Mt. Baldy Rd. Comment
  UCR213691  Mimulus aurantiacus Justin M. Wood 2009-6-1 787 Los Angeles San Gabriel Mountains, Mill Creek Summit, roadside turnout on Angeles Forest Hwy, 0.75 NE of Mt. Gleason Rd. junction 1402 Comment
  POM305147  Mimulus aurantiacus var. pubescens Henry J. Ramsey, Henry J. Ramsey 1937-4-26 430 Los Angeles Pomona, Hillside; Drainage Area: Pacific slope. 305 Comment
  RSA439234  Mimulus aurantiacus var. pubescens L. B. Ware 1971-5-16 101 Los Angeles Tuna Canyon (east side), Santa Monica mountains. 168 Comment
  RSA442649  Mimulus aurantiacus var. pubescens Lester H. Cushman 1932-5-15 s.n. Los Angeles Glendale. Comment
  UCSB43758  Mimulus aurantiacus var. pubescens Nakashima, L. 1982-4-17 Los Angeles West of Wrigley Memorial Garden; on Memorial Road; 200 feet from junction with Avalon Canyon Road on Santa Catalina Island 137 Comment
  RSA420980  Mimulus brevipes N. C. Cooper 1949-6-29 4363 Los Angeles San Gabriel Canyon. 457 Comment
  UCR271232  Mimulus cardinalis R. G. Swinney 2011-9-27 15691 Los Angeles San Gabriel Mountains, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom 2384 Comment
  UCR277044  Mimulus floribundus R. G. Swinney 2010-5-25 12944 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  RSA578656  Mimulus fremontii Tim S. Ross, J. Mark Porter 1994-5-1 7597 Los Angeles Open desert ca. 1870m SW of Three Sisters buttes, along Black Butte Basin Road. 961 Comment
  POM11609  Mimulus fremontii var. fremontii P. A. Munz 1921-6-17 4655 Los Angeles San Antonio Mountains, Swartout [Swarthout] Valley. 1829 Comment
  RSA316344  Mimulus fremontii var. fremontii Robert F. Thorne, Walter Wisura, S. Granger, Pamela Burton 1982-4-20 54964 Los Angeles San Gabriel Mts: Mojave Desert slopes; 1/4 -1/2 mile north of Bob's Gap, north slope of Holcomb Ridge, about 2.5 miles due south of Llano. 1159 Comment
  SBBG71134  Mimulus guttatus P. DeVries 2013-4-5 7820 Los Angeles ca. 1.5 air mi Wof the Gorman offramp on the N bound 15, along Gorman Post Rd, N Side 1097 Comment
  HSC20745  Mimulus guttatus C. S. Apperson 1967-6-3 Los Angeles 4 mi. from Gorman on Hwy. 138 Comment
  RSA442757  Mimulus guttatus Frances M. Morey 1923-6-17 s.n. Los Angeles Between W. Adames St. and Culver City. Comment
  RSA447965  Mimulus guttatus Grethe Markedahl 1923-3-12 s.n. Los Angeles Bindini Swamp. Comment
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Dec 31 2015
  RSA0091136  Mimulus moschatus R. G. Swinney 2011-8-17 15643 Los Angeles unnamed spring c. 200 m south of Angeles Crest Hwy (SR 2), canyon west of Lily Spring. 2378 Comment
  RSA0110538  Mimulus pilosus R. G. Swinney 2010-6-1 13139 Los Angeles San Gabriel Mountains; Kentucky Springs, c. 1 mile west of Angeles Forest boundary sign at Angeles Forest Hwy, c. 0.5 mile south of Kentucky Springs Rd. 1122 Comment
  RSA729700  Mimulus pilosus R. G. Swinney 1998-8-31 6874 Los Angeles San Antonio Ridge, saddle 1.2 mi. west of West Mt. Baldy. 2378 Comment
  UCR270929  Mimulus pilosus R. G. Swinney 2011-5-26 14883 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
  SEINET10570268  Mimulus puniceus Jon Ricketson, Heidi H. Schmidt; Janet Takara 1992-10-20 Ricketson 4780 Los Angeles Santa Catalina Island; Catalina Conservancy Land, 2.5 miles west of Wrigley Reservoir, along roadside. 3 miles northwest of the city of Avalon. Collections made in cooperation with the Catalina Conservancy. 427 Comment
  RSA603730  Mimulus rubellus Louis C. Wheeler 1948-6-13 6648 Los Angeles San Gabriel Mountains: Depression Wickiup Creek. 1364 Comment
  CAS-BOT-BC388660  Minuartia douglasii Philip A. Munz 1925-4-23 9452 Los Angeles San Gabriel Canyon 487 Comment
  UC1076499  Minuartia douglasii Margaret Stason 1927-5-14 Los Angeles Pinon Ridge San Gabriel Mountains Comment
  RSA65504  Minuartia douglasii F. W. Peirson 1920-6-10 5316 Los Angeles below Inspiration Point, Mt. Lowe. 1341 Comment
  SEINET4084697  Mirabilis californica var. californica R. Moran 1941-1 706 Los Angeles Santa Catalina Island on ridge north of Middle Ranch. 300 Comment
  UCR125780  Mirabilis jalapa A. C. Sanders 2003-5-26 26834 Los Angeles San Gabriel Valley, long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave., south of 210 Fwy (which bisects pit) and north of Santa Fe RR, east of the San Gabriel River channel 171 Comment
  HSC16158  Mirabilis laevis David Porter 1965-5-6 Los Angeles 1 mi. N of Chatsworth, Simi Hills 351 Comment
  CAS-BOT-BC434632  Mirabilis laevis var. crassifolia John H. Thomas 1957-4-27 6676 Los Angeles Pt. Dume, about 18 miles due west of Santa Monica. 60 Comment
  JEPS61332  Mirabilis laevis var. crassifolia Julia A. Bettys 1929-4-29 Los Angeles Huntington Park, Los Angeles Comment
  RSA138503  Mirabilis laevis var. crassifolia Reid V. Moran 1959-3-9 7170 Los Angeles San Clemente Island. Canyon 2 miles SE of Eel Point. 120 Comment
  SBBG16927  Mirabilis laevis var. crassifolia K. A. Wilson, D. E. Bianchi 1961-2-2 825 Los Angeles Little Tujunga Cyn, 2 mi N of Hwy 118 Comment
  UC1194959  Mirabilis laevis var. crassifolia Reid Moran 1959-3-9 7170 Los Angeles Canyon 2 miles SE of Eel Point, San Clemente Island 120 Comment
  RSA464658  Mirabilis laevis var. crassifolia M. B. Dunkle 1938-3-20 5256 Los Angeles Palos Verdes Hills, Los Angeles. Comment
  CDA23888  Mirabilis multiflora var. pubescens T. C. Fuller 1963-6-25 10701 Los Angeles North side of Avenue D (Highway 138) to Lancaster, 0.9 mile east of 24th Street, 19.4 miles east of Gorman, west of Mojave Desert. 0 Comment
  SD4399  Monardella breweri subsp. lanceolata Mary Caswell Jun 1899 Los Angeles Pomona Comment
  CAS-BOT-BC220126  Monardella exilis Cecil Hart 1930-4-27 s.n. Los Angeles Between Lancaster & Victorville Comment
  SD46650  Monardella exilis P. C. Everett, E. K. Balls 1956-5-9 21571 Los Angeles 5.2 miles north of Los Angeles-Kern Co. line, along Highway 6. 730 Comment
  SBBG71953  Monardella lanceolata R. Hoffmann 1929-5-21 Los Angeles Pine Cyn Comment
  SD230246  Monardella linoides subsp. linoides Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains: Vincent Gap. 1829 Comment
  RSA0038448  Montia perfoliata Carol Haines 1964-5-23 164 Los Angeles Atmore Meadows, Old Ridge Route. 1310 Comment
  UCR151021  Morus alba Scott D. White 1997-5-7 5048 Los Angeles San Gabriel Mtns, Big Tujunga Wash, Sunland-Tujunga area, alluvial fan at base of mountains. SW of Hwy 210, east of Hansen Dam, and north of Wentworth Street 351 Comment
  SD230266  Mucronea californica Louis C. Wheeler 1946-8-30 6326 Los Angeles West of Baldwin park: Albarnes Station, east side San Gabriel Wash, just north of Valley Blvd. 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
  RSA729922  Muhlenbergia californica R. G. Swinney 1998-7-28 6512 Los Angeles Cat Canyon, a western tributary of San Antonio Canyon, south of Sunset Peak. 1024 Comment
  RSA0091080  Muhlenbergia microsperma R. G. Swinney 2011-3-22 14176 Los Angeles mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 509 Comment
  RSA746862  Muhlenbergia rigens Orlando Mistretta 1992-5-21 366 Los Angeles San Gabriel Mtns region: Right Star Mine, S of Acton. Comment
  RSA0094372  Muilla maritima R. G. Swinney 2011-5-31 14932 Los Angeles San Gabriel Mountains: Monte Cristo Creek, 0.1-0.4 mile northeast of Monte Cristo Campground and confluence with Mill Creek. 1096 Comment
  RSA377604  Muilla maritima B. C. Templeton 1933-5-16 5141 Los Angeles West Blue Ridge, Big Pines Park 2195 Comment
  SEINET3887502  Muilla maritima Keith Dobry 1991-5-14 537 Los Angeles Elsmere Canyon, West San Gabriel Mountains.; 0 Comment
  UCR270834  Muilla maritima R. G. Swinney 2011-5-24 14797 Los Angeles San Gabriel Mountains, to 0.3 mi. S of Aliso Canyon Rd, c. 0.65 miles E of Bear Trap Cyn., 2 miles W of Angeles Forest Hwy 1061 Comment
  UCR273043  Muilla maritima R. G. Swinney 2011-7-8 15485 Los Angeles San Gabriel Mountains, 'Strawberry Potrero', uppermost of 3 natural depressions at N base of Strawberry Peak, Camp Colby Property 1427 Comment
  RSA86979  Myrica californica F. W. Peirson 1704 Los Angeles Santa Monica Canyon, Santa Monica Mts. Comment
  CAS-BOT-BC259788  Nassella cernua F. H. Billings 1922-5-1 s.n. Los Angeles Redlands Comment
  UCD87427  Nassella cernua Jill Fariss 1997-4-13 70 Los Angeles Old Ridge Route north of Templin Hwy. Comment
  LA9420  Nassella lepida A. M. Johnson; 1932-4-4 3924 Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). Comment
  RSA484106  Nassella lepida Harry H. Stone 1936-4-11 s.n. Los Angeles Griffith Park. Comment
  UCSB478  Nassella lepida Ilch, D.; Gleason, C. 1933-5-29 Los Angeles San Dimas SRE Plot 304 - Block 28F; Angeles Forest Comment
  CAS-BOT-BC260142  Nassella pulchra F. A. MacF. 1935-3-6 13502 Los Angeles Mulholland Drive, Santa Monica Mountains Comment
  RSA746894  Nassella pulchra R. G. Swinney 2005-4-15 8214 Los Angeles Glendora, South Hills, junction of Wild Iris Trail and South Hills Trail 320 Comment
  UCR217420  Nasturtium officinale R. G. Swinney 2009-3-10 10066 Los Angeles San Gabriel Mtns. Foothills, Azusa, El Encanto Azusa River Wilderness Park 305 Comment
  UCR192939  Navarretia atractyloides Dan S. Cooper 2008-5-30 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., unnamed canyon along south side of Forest lawn Dr. (across from tennis club), just northwest of border of Griffith Park, Los Angeles 180 Comment
  UCR172709  Nemophila menziesii Jun Hu, Weena Sangkatavat 2000-4-22 06 Los Angeles Transverse Ranges; San Gabriel Mtns., Millard Canyon, 2 mi N of Altadena. First trail on the right immediately before Millard Campground 549 Comment
  UC880911  Nemophila menziesii var. integrifolia Geo. L. Fisher 1920-7-8 124 Los Angeles Mt. Wilson 609 Comment
  UC24269  Nemophila menziesii var. integrifolia H. M. Hall 3081 Los Angeles Elizabeth Lake, Los Angeles Co. Comment
  POM126670  Nepeta cataria R. L. Pendleton 1908-7-3 1391 Los Angeles Santa Catalina Island, Chicken John s Ranch. 229 Comment
  UC2046894  Nephrolepis cordifolia R. E. Riefner Jr. 2015-8-15 15 -227 Los Angeles City of Los Angeles, Pacific Palisades, vicinity of Arno Way and Pintoresca St. at Bay Club Drive. Comment
  RSA681266  Nerium oleander Scott D. White 2003-6-2 9442 Los Angeles City of Industry, just northwest of SR 60 / SR 57 freeway at Grand Ave. exit. 183 Comment
  UCR138699  Nerium oleander L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mtns, Pacoima Canyon at Ant Canyon 678 Comment
  RSA450808  Nicotiana glauca A. C. Sanders 1987-12-4 7582 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport and Pershing Dr., E of Vista Del Mar Blvd. 30 Comment
  SBBG70587  Nicotiana quadrivalvis R. Hoffmann 1927-8-31 Los Angeles Oak's Garage, Mint Cyn Comment
  RSA0048540  Nierembergia hippomanica Mark Giebel 1965-4-24 s.n. Los Angeles W. L.A. nr. La Cienega Blvd. 152 Comment
  RSA552512  Nitrophila occidentalis D. Charlton 1989-5-25 3198 Los Angeles Corner of G/H and 30th Street West, Palmdale. 610 Comment
  SBBG133175  Oenothera californica subsp. californica B. C. Templeton 1967-8-1 10220 Los Angeles half-mile N of Roundtop; San Gabriel Mtns 1890 Comment
  RSA125209  Oenothera californica subsp. californica P. A. Munz 1957-5-15 22578 Los Angeles 14 mi. E of Lancaster. Comment
  POM355620  Oenothera elata subsp. hirsutissima Adele G. Axtman 1931-7-10 s.n. Los Angeles Arroyo Seco, South Pasadena Comment
  RSA783223  Oenothera hookeri J. D. Olmsted 1959-6-25 691 Los Angeles Intersection of Prairie Fork and Vincent Gulch above east fork of San Gabriel River 1524 Comment
  RSA579240  Olea europaea Tim S. Ross, J. Mark Porter, Gery Allan, Vanessa Ashworth, Darin L. Banks, Megan Tommerup 1994-3-28 7417 Los Angeles Palos Verdes Peninsula: Rancho Palos Verdes; sun-named horseshoe-shaped canyon to the NE of upper Forrestal Drive. 174 Comment
  SBBG131518  Oligomeris linifolia S. A. Junak 2000-6-30 SCa 1363 Los Angeles just E of Catalina Harbor 39 Comment
  SD92019  Opuntia X occidentalis Reid Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22690 Los Angeles San Clemente Island: common on slopes, near mouth of Red Rock Canyon. (IPB 9/07) 24 Comment
  UCR223582  Opuntia basilaris var. brachyclada R. G. Swinney 2009-6-17 11223 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek 1628 Comment
  POM285266  Opuntia littoralis Lyman Benson, Joseph Lanjouw, Robert Benson 1953-5-2 15103 Los Angeles Hills, north face of Swain Canyon, Whites Landing, Santa Catalina Island. 305 Comment
  RSA0002223  Opuntia rugosa David Griffiths 1913-8-8 10364 Los Angeles Near Pomona. Comment
  CAS-BOT-BC58027  Opuntia vaseyi Joseph Andorfer Ewan 1937-8-15 10973 Los Angeles Field redacted by CAS, contact the data manager for more information 518 Comment
  SBBG31023  Orobanche bulbosa R. F. Thorne 1966-4-29 36327 Los Angeles below rd to White's Landing above turn-off to Echo Lake 411 Comment
  SBBG112823  Orobanche parishii subsp. brachyloba S. A. Junak 1998-7-17 SCa 788 Los Angeles just W of mouth of Silver Cyn, on coastal slopes just inland from beach 12 Comment
  RSA0066497  Orobanche parishii subsp. parishii Robert C. Frampton 1946-6-22 s.n. Los Angeles Ganesha Park, Pomona. Comment
  POM147841  Orthocarpus purpurascens var. pallidus Marcus E. Jones 1927-4-20 s.n. Los Angeles San Dimas Comment
  RSA392906  Oxytheca parishii var. parishii Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Peak Comment
  UC1211150  Paeonia californica Huron H. Smith 1912-4-23 4811 Los Angeles Eagle Rock 213 Comment
  SEINET6045448  Paeonia californica Louis C. Wheeler Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  RSA66304  Papaver californicum F. W. Peirson 1921-4-10 2397 Los Angeles Trail from San Dimas to Sycamore Flat, San Gabriel Mountains. 534 Comment
  RSA717858  Papaver californicum R. G. Swinney 1997-5-13 5516 Los Angeles Water Canyon, a tributary from the north of San Gabriel River Canyon, north of Morris Dam. 402 Comment
  UC855228  Papaver californicum Ira W. Clokey, B. Templeton Apr. 1929 4464 Los Angeles Santa Monica Mountains, Mandeville Canyon Mandeville Canyon; Santa Monica Mountains, Mandeville Canyon 350 Comment
  RSA533985  Parapholis incurva Timothy S. Ross, O. Mistretta, M. Hammit 1991-5-17 5135 Los Angeles San Clemente Island, 550 ft SSW of the 927'BM at the E end of the old airfield landing strip. 280 Comment
  CAS-BOT-BC474719  Parietaria judaica R. E. Riefner, Jr. 2015-7-19 15 -202 Los Angeles City of Carson, Dominguez Channel at Figueroa St. crossing 7 Comment
  UC2061653  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07 -288 Los Angeles City of of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore of Dr. Comment
  UCR95371  Pectocarya anisocarpa T. S. Ross 1995-4-7 8350 Los Angeles 'Old Ridge Route': 3.95 mi north of its junction with Lake Hughes Road, west of Castaic Lake on ridge dividing Marple Canyon from Grasshopper Canyon. 631 Comment
  UCR265515  Pectocarya linearis Dan S. Cooper 2015-3-3 315- 9 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, utility road on west flank of Burbank Peak 345 Comment
  UC1069000  Pectocarya linearis subsp. ferocula A. D. Gifford 1935-3-15 473 Los Angeles mouth Elizabeth Lake Canyon Comment
  UCSB71638  Pectocarya linearis subsp. ferocula Gross, LeRoy 2003-3-7 Los Angeles Transverse Ranges; Verdugo Mountains Region; northwest side, Verdugo Crestline Dr. (fire road) just north of the 210 freeway; enter on the west side at Topley Lane, off of Newhome Ave. in city of Sunland; (Burbank 7.5 Quad.; T2N R14W S23, NE1/4) 555 Comment
  SBBG119929  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Castaic Mesa, Newhall Ranch, N of Charlie Cyn and E of Lake Hughes Rd 396 Comment
  SD186143  Pectocarya setosa A. C. Sanders 2003-4-29 26166 Los Angeles Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 395 Comment
  UCR129934  Pectocarya setosa Orlando Mistretta, Steve Boyd, D. L. Banks 1994-4-29 1107 Los Angeles San Gabriel Mountains, Santiago Canyon, ridge on the W edge of Santiago Canyon watershed north of Forest Road 4N20 1372 Comment
  SEINET3153876  Pellaea andromedifolia M. E. Jones 1882-2-25 sn Los Angeles Pasadena Comment
  UCR258522  Pellaea andromedifolia R. G. Swinney 2010-8-9 13479 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  RSA651031  Pellaea andromedifolia K. Bahns 1949-2-8 s.n. Los Angeles San Dimas Canyon. 457 Comment
  RSA246558  Pellaea mucronata F. R. Fosberg 1931-4-2 R 84 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 250 Comment
  POM281941  Pellaea mucronata subsp. mucronata George L. Fisher 1929-6-8 102 Los Angeles Glendale. 305 Comment
  LA3550  Pellaea mucronata var. mucronata J. Warren; 1952-5-27 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon 548 Comment
  UCR282589  Penstemon X parishii Dan S. Cooper 2017-6-13 617- 36 Los Angeles 25742 Mulholland Hwy, Calabasas 247 Comment
  RSA412439  Penstemon centranthifolius T. W. Minthorn 1927-6-11 s.n. Los Angeles Near Neenach. Comment
  RSA597189  Penstemon centranthifolius Tim S. Ross, Peter Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3719 Los Angeles San Gabriel Mountains, Pinyon Ridge: eastern half of the ridge, directly N of Fenner Canyon. 1939 Comment
  RSA640330  Penstemon centranthifolius Louis C. Wheeler 1931-7-1 s.n. Los Angeles San Gabriel Mountains: 200 yards east of Baseline and ? Comment
  SEINET13203130 Image available Penstemon grinnellii R. G. Swinney 2010-1 13874 Los Angeles San Gabriel Mountains: summit of Middle Hawkins Peak on Hawkins Ridge (Crystal Lake 7.5' Q.) (T3N R9W) 2576 Comment
  RSA408042  Penstemon grinnellii subsp. grinnellii Albert J. Perkins 1915-7-26 s.n. Los Angeles Summit of Mt. San Antonio. 3049 Comment
  CHSC26125  Penstemon grinnellii var. grinnellii Marilyn Chase 1967-6-24 162 Los Angeles Ca. 50 mi. NNE of Azusa off Hwy. 2 on slope of ridge between Dawson Saddle and Throop Peak in San Gabriel Mtns. 1828 Comment
  NY601191  Penstemon grinnellii var. grinnellii R. M. Straw 1954-6-7 599 Los Angeles Upper San Gabriel River canyon, Crystal Lake, San Gabriel Mountains 1524.0 Comment
  UC1861751  Penstemon heterophyllus Scott D. White, Pam DeVries 2004-5-18 10437 Los Angeles Western Transverse Ranges: Eastern Santa Susana Mountains. West of the I-5 Freeway, ca. 4 mi N of the I-5 / SH-14 jtn. and 6 mi S of Castaic Jtn. Lyon Canyon and surrounding slopes, canyons, and ridges. (Oat Mountain) 396 Comment
  UCR178791  Penstemon heterophyllus subsp. australis R. G. Swinney 1989-5-13 s.n. Los Angeles San Gabriel Mtns., Glendora Wilderness Park, Colby Fire Rd., 100 yards south of Glendora Mtn. Road. 488 Comment
  CHSC35495  Penstemon heterophyllus var. australis James Henrickson 1979-5-18 3 Los Angeles Ca. 2 miles SE of Newhall, N of San Fernando Road, ca 1 mi NW of Hwy 14. 426 Comment
  JEPS7558  Penstemon heterophyllus var. australis F. W. Peirson 1918-6-10 202 Los Angeles Mt. Lowe San Gabriel Mts., Mt. Lowe 762 Comment
  LA32139  Penstemon heterophyllus var. australis Henry J. Thompson; 1959-5-31 2035 Los Angeles SANTA MONICA MOUNTAINS, Lake Eleanor Creek, at junction of Potrero Rd and Decker Rd [Westlake Blvd], 0.7 mi E of Lake Sherwood. 274 Comment
  RSA0006158  Penstemon heterophyllus var. australis C. F. Baker 1904-6-14 4778 Los Angeles Hills near Claremont Comment
  UC534842  Penstemon labrosus Victor Duran 1933-7-19 3519 Los Angeles Buckhorn San Gabriel Mts., Buckhorn 1981 Comment
  UCR141588  Penstemon rostriflorus June Latting 1978-9-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2409 Comment
  SDSU10969  Penstemon spectabilis H. Wedberg 1966-4-3 1198 Los Angeles Above Hill Dr and Neal, in Eagle Rock. 457 Comment
  RSA401795A  Penstemon spectabilis Louis C. Wheeler 1931-6-2 S- 16 Los Angeles 2 mi. NE of Laverne 373 Comment
  RSA401802  Penstemon spectabilis Freda Detmers 1931-4-1 s.n. Los Angeles Griffith Park. Comment
  RSA708557  Penstemon spectabilis subsp. subviscosus Valerie L. Soza, LeRoy Gross 2001-5-9 1200 Los Angeles Southern San Rafael Hills: South of mouth of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 244 Comment
  SD52439  Penstemon spectabilis var. subviscosus Skip Stone May 1952 51 Los Angeles Blanchard Park, Claremont, Mt. Range: San Gabriel, Pac. slope drainage 334 Comment
  UC1070045  Pentachaeta aurea Jerome S. Horton 1936-5-7 325 Los Angeles 1/4 mi se San Dimas Reservoir; Pomona Quadrangle, San Dimas Canyon Comment
  UC1375389  Perideridia parishii subsp. latifolia Robert F. Thorne 1969-7-2 38314 Los Angeles se Angeles Crest Hwy. (3.2 mi wsw of Cloudburst Summit, along bed of small intermittent stream); San Gabriel Mts., Angeles National Forest 1950 Comment
  SD37596  Peritoma arborea var. arborea Edith A. Purer 1932-4-23 Los Angeles El Segundo Comment
  LA200255  Perityle emoryi Tom O'Donnell; sn Los Angeles Santa Monica Mountains, Point Dume 0 Comment
  UC455519  Perityle emoryi I. J. Condit 1908-6-27 Los Angeles Catalina Island Comment
  RSA578117  Petalonyx thurberi subsp. thurberi Tim S. Ross, Steve D. Boyd 1994-9-20 8236 Los Angeles 2 miles NW of Acton: sandy wash, S side of intersection Escondido Canyon Road and Red Rover Mine Road. 884 Comment
  UCR264069  Phacelia bicolor John F. Green 2008-3-26 308- 09 Los Angeles Western Mojave Desert, SE of Lancaster and north of Palmdale, 0.75 mi. long strip along both sides of 15th St. East, between Ave. M and Ave. M-12, east of Sierra Hwy and north of Palmdale Regional Airport 762 Comment
  RSA479523  Phacelia brachyloba Steve Boyd 1987-4-14 2067 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  UC718102  Phacelia brachyloba Carl B. Wolf 1936-5-26 7832 Los Angeles 2 mi off Soledad Canyon; San Gabriel Mts., Indian Canyon Camp 914 Comment
  LA38561  Phacelia cicutaria var. hispida W. O. Griesel; May 1938 sn Los Angeles Santa Monica Mountains, Hollywood Hills Comment
  RSA746776  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  UCR205119  Phacelia cicutaria var. hubbyi R. G. Swinney 2008-4-17 8681 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  RSA756901  Phacelia curvipes R. G. Swinney 2008-6-17 9027 Los Angeles 2.3 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway. 1992 Comment
  RSA650530  Phacelia distans Marion P. Harthill 1974-4-22 1656 Los Angeles Mojave Hwy. & N4. Comment
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Jan 4 2012
  UC131688  Phacelia distans C. F. Baker 1904-4-20 4724 Los Angeles Claremont Comment
  UC73681  Phacelia distans Geo. B. Grant 1901-1 958 Los Angeles Garvanza Comment
  RSA567290  Phacelia egena Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3965 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
  RSA597269  Phacelia fremontii Tim S. Ross 1990-6-18 3514 Los Angeles Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages. 1744 Comment
  RSA656479  Phacelia grandiflora Valerie L. Soza, Shalini Deo, LeRoy Gross 2000-4-20 726 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy, north of La Tuna Canyon Road. SSW of Dorothy and Estepa Drive junction, Haines Canyon Park. 518 Comment
  NY57338  Phacelia heterosperma S. B. Parish 06 1887 1980 Los Angeles Rock Creek Comment
  RSA605396  Phacelia imbricata Scott D. White, Chet McGaugh 1995-6-6 3227 Los Angeles E edge of Santa Susana Mountains, just W of San Gabriel Mountains: Sunshine Canyon. W of San Fernando Road & I-5 Freeway, just SW of interchange w/ SR 14 Freeway. 457 Comment
  UCR205257  Phacelia lemmonii R. G. Swinney 2005-8-11 8453 Los Angeles San Gabriel Mtns, Big Rock Creek at Paradise Springs 1439 Comment
  JEPS2128  Phacelia longipes Frank W. Peirson 1919-4-19 381 Los Angeles Pacoima Canyon San Gabriel Mountains 487 Comment
  RSA604729  Phacelia longipes Louis C. Wheeler 1933-5-5 1696 Los Angeles San Gabriel Mountains: Fish Canyon. 305 Comment
  RSA649605  Phacelia longipes Lori Ackerman, Gerald Braden 1988-5-20 19 Los Angeles North end [bank] of West Fork [San Gabriel] River, San Gabriel Mountains. Comment
  RSA75932  Phacelia longipes F. W. Peirson 1919-4-19 381 Los Angeles Pacoima Canyon 488 Comment
  UC284262  Phacelia longipes P. A. Munz 1923-5-26 6828 Los Angeles Big Rock Creek San Gabriel Mts. 1524 Comment
  UCR14444  Phacelia longipes George K. Helmkamp 1974-6-2 s.n. Los Angeles San Gabriel Mtns, Calif. Hwy 39 about 3000 ft., north of Azusa 915 Comment
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Apr 23 2016
  UCR231797  Phacelia longipes 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
  SD53031  Phacelia lyonii Peter H. Raven 1962-5-22 17829 Los Angeles Santa Catalina Island, about 1 mile west of Cherry Canyon along coastal bluffs Comment
  SFV21028  Phacelia minor L. Gross 2002-2-24 483 Los Angeles Verdugo Mountains Northwest side of mountains. Entered at corners of Ledge Ave. and Tuxford Street off of La Tuna Canyon Road in Sun Valley. West of McDonald Creek. Horse trail climbs in a north direction a ridge to top of crest, then a ridge from top of crest northward down the north side of crest to the community of Shadow Hills, where Sunland Blvd. runs through. 305 Comment
  RSA0055023  Phacelia minor Jim Shevock 1970-3-8 28 Los Angeles Foothills of San Gabriel Mountains, above Sylmar. 335 Comment
  RSA428058  Phacelia minor Helen M. Oster 1924-4-12 s.n. Los Angeles North ov Vermont and Western. Comment
  RSA428077  Phacelia minor L. E. Hoffman 1981-5-18 s.n. Los Angeles Big Santa Anita Canyon Comment
  RSA230267  Phacelia mohavensis Robert F. Thorne 1969-7-2 38307 Los Angeles San Gabriel Mountains, Angeles National Forest: Angeles Crest Highway, 3.2 miles WSW of Cloudburst Summit. 1982 Comment
  UC1584889  Phacelia mohavensis Tim Ross and Steve Boyd 1991-7-24 5612 Los Angeles ridge nne G.M.; Granite Mountain vicinity, Pacifico Mountain USGS 7.5' quad 1914 Comment
  SBBG125836  Phacelia parryi A. Parikh, N. Gale 2010-5-25 3221 Los Angeles Sierra Pelona, 5.2 km W of State Hwy 14, 1.9 km SW of California Aqueduct 1115 Comment
  CAS-BOT-BC159106  Phacelia ramosissima var. latifolia Geo. L. Fisher 1920-7-12 s.n. Los Angeles Mt. Wilson 548 Comment
  POM3702  Phacelia ramosissima var. latifolia C. F. Baker 1903-8-2 3661 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA642687  Phacelia ramosissima var. latifolia Orlando Mistretta 1992-7-14 705 Los Angeles San Gabriel Mountains: Gold Canyon Trail; Tujunga Ranger District. Comment
  UC1375333  Phacelia ramosissima var. latifolia Robert F. Thorne and C. W. Tilforth 1971-6-17 39889 Los Angeles along river 0.7 mi w Soledad Station; N slope of San Gabriel Mts., Soledad Canyon, Santa Clara Riv 609 Comment
  UCR146466  Phacelia ramosissima var. ramosissima Orlando Mistretta 1992-6-12 545 Los Angeles Transverse Ranges; San Gabriel Mountains region, Cow Canyon, Road 2N29 EA- from Saddle to 2nd main drainage Comment
  RSA233419  Phacelia ramosissima var. ramosissima Robert F. Thorne 1969-7-9 38589 Los Angeles Angeles National Forest; Upper part of large sloping meadow at Big Pines. 2088 Comment
  SBBG12273  Phacelia tanacetifolia E. R. Blakley 1958-6-9 2270 Los Angeles hills 2 mi E of Gorman 1097 Comment
  POM1062  Phalaris lemmonii Le Roy Abrams 1903-4-9 919 Los Angeles Inglewood Comment
  UC820508  Phalaris minor I. M. Johnston 1917-4-11 Los Angeles Nigger Slough Nigger Slough [Laguna Dominguez] (Southern California) Comment
  SEINET10657415  Phalaris minor Robert F. Thorne 1973-4-12 Thorne 42891 Los Angeles San Clemente Island: roadside among old buildings at old airfield, grassland 244 Comment
  SEINET10643568  Phoenix dactylifera Mary Merello, Heidi H. Schmidt 1999-12-5 Merello 2618 Los Angeles City of Pasadena. Von's Supermarket, 2355 E. Colorado Blvd. Comment
  RSA25957  Pholisma arenarium W. D. Pierce 1941-06 117 Los Angeles El Segundo. Comment
  RSA459246  Pholistoma auritum Richard C. Barkelew 1929-4-14 15838 Los Angeles Near Los Angeles, Mulholland Highlands. Comment
  LA40158  Pholistoma auritum var. auritum Tamar; 1961-4-20 6403 Los Angeles Old Topanga Road, 1 mi. from Topanga Canyon 274 Comment
  SD75545  Pholistoma auritum var. auritum Reid Moran 1941-3-7 684 Los Angeles Santa Catalina Island, Middle Ranch 199 Comment
  JEPS97027  Pholistoma racemosum F. R. Fosberg 1931-3-23 S 4333 Los Angeles Hamilton Canyon Santa Catalina Island 75 Comment
  RSA459317  Pholistoma racemosum F. H. Elmore 1939-2-18 412 Los Angeles San Clemente Island. Comment
  SBBG97024  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4407 Los Angeles Bryce Cyn near Malo Pt Comment
  LA209903  Phoradendron bolleanum Norman C. Cooper; 1943-11-19 992 Los Angeles Mint Canyon 761 Comment
  RSA0012045  Phoradendron densum R. G. Swinney 2009-4-29 10602 Los Angeles Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence. 945 Comment
  UCR125251  Phoradendron macrophyllum A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-8-1 25545 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
  UCR179613  Phoradendron villosum R. G. Swinney 1990-10-10 s.n. Los Angeles San Gabriel Mtns., Glendora, South Hills, c. 700 yds. north of the end of Bonnie Cove Ave. on South Hills Motorway 305 Comment
  RSA48696  Physalis pubescens var. grisea J. C. Roos 1942-8-26 1749 Los Angeles San Gabriel, Tri-city Sewage Disposal Plant. Comment
  RSA612294  Pinus attenuata L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: West side North Fork San Gabriel River, near mouth. 617 Comment
  UCR252746  Pinus flexilis R. G. Swinney 2001-8-27 8096 Los Angeles San Gabriel Mtns., Throop Peak, west of Mt. Baden-Powell 2786 Comment
  RSA682606  Pinus halepensis Valerie Soza, Bill Hoghead, Amber Maurice 2003-5-17 s.n. Los Angeles Transverse Ranges; San Gabrield Mountains region: Mount Lowe Road (2N50). From junction with Mount Wilson Road southwest to the junction with Chantry Flats Trail (2N65) above Altadena. 915 Comment
  UCR223094  Pinus lambertiana R. G. Swinney 2009-6-2 11011 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA384368  Pinus monophylla L. E. Hoffman 1931-11-9 s.n. Los Angeles Upper Big Rock Creek Comment
  SEINET10530875  Pinus torreyana Jon Ricketson, Heidi H. Schmidt 1992-10-21 Ricketson 4820 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Garden, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA659158  Pittosporum undulatum Patricia Kouo 1994-4-27 944009 Los Angeles 3 miles south of I-10, and 1-mile north of I-60. On the west side of Rosemead Blvd. at the most southern lake. Comment
  CAS-BOT-BC71782  Pityrogramma triangularis var. viscosa I. M. Johnston 1918-5-4 1926 Los Angeles Hills back of Laguna Beach 152 Comment
  IRVC27311  Plagiobothrys canescens A. C. Sanders, Mark Elvin, et al. 2003-4-14 25948 Los Angeles Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River NE end of Santa Susana Mtns. 351 Comment
  RSA713821  Plagiobothrys canescens A. C. Sanders 2003-4-30 26227 Los Angeles Western San Gabriel Mtns: Castaic, south side of Lake Hughes Rd. near Ridge Route, west of Castaic Creek, Newhall Ranch property. 10 Comment
  UC625017  Plagiobothrys canescens var. catalinensis F. R. Fosberg 1931-3-24 S 4351 Los Angeles Hamilton Canyon Santa Catalina Island 2 Comment
  POM50665  Plagiobothrys nothofulvus L. R. Abrams 1901-4-4 1327 Los Angeles Chatsworth Park. Comment
  POM368910  Plagiobothrys nothofulvus Thekla Mohr 1897-02 s.n. Los Angeles San Gabriel Comment
  RSA640279  Plantago erecta Robert F. Thorne 1971-5-18 41366 Los Angeles Santa Catalina Island: White's Landing. 30 Comment
  SD143749  Plantago indica Scott D. White, Noel Davis 1997-8-1 5438 Los Angeles Big Tujunga Wash; west of Sunland, SW of I-210 Freeway, east of Hansen Dam and north of Wentworth St. 334 Comment
  UCR271724  Plantago lanceolata R. G. Swinney 2011-3-26 14208 Los Angeles San Gabriel Mts., San Dimas Experimental Forest, West Fork San Dimas Canyon, 0.1 to 0.6 mile upstream from confluence with San Dimas Cyn. 524 Comment
  SBBG112931  Plantago major S. A. Junak 1997-11-15 SCa 481 Los Angeles Avalon Cyn, at Los Angeles County Interpretive Center 76 Comment
  SBBG20526  Plantago ovata var. insularis E. R. Blakley 1963-12-7 6356 Los Angeles mouth of cyn between Pyramid Head and Cove and S of Triangulation Pt Guds 15 Comment
  RSA68964  Plantago patagonica F. W. Peirson 1920-5-3 1183 Los Angeles Little Tujunga Wash, west end of San Gabriel Mts. 335 Comment
  RSA754085  Platanus racemosa Ellen Mackey, Blake Whittiington 2006-10-26 NFWF- 1841 Los Angeles San Gabriel River near Rincon Ranger Station 445 Comment
  SBBG70067  Platystemon californicus M. N. Ackley 1926-5-6 774 Los Angeles Little Rock foothills 914 Comment
  RSA445699  Platystemon californicus Jennie Alberts 1884-3-22 s.n. Los Angeles W of Los Angeles Comment
  RSA599096  Poa annua V. W. Steinmann 1996-5-6 856 Los Angeles Pomona, north of Route 10 at 1171 E. LaVerne Ave. (between Mountain Ave. and San Antonio Ave.) 300 Comment
  UCR258845  Poa annua R. G. Swinney 2010-3-16 11914 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
  UCR43344  Poa pratensis David Charlton 1986-6-15 305 Los Angeles San Gabriel Mtns, Buckhorn Campground: creek along Burkhart Trail 1768 Comment
  RSA639711  Poa pratensis subsp. pratensis L. C. Wheeler 1968-6-14 s.n. Los Angeles Spring on north side of Blue Ridge by Guffy camp. Comment
  RSA702557  Poa secunda Scott D. White 2004-5-5 10299 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  UCR221909  Poa secunda R. G. Swinney 2009-4-28 10533 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  JEPS85780  Poa secunda subsp. secunda Roy E. Buck 1988-6-16 961 Los Angeles 21 air km nne Castaic (2.5 air km se of Hidden Lake, immediately above confluence of intermittent stream from se, along trail in Shake Canyon just below (n) of Upper ..) 1304 Comment
  SBBG56795  Poa secunda subsp. secunda R. Hoffmann 1929-4-26 Los Angeles 5 mi W of Castaic Comment
  UC167189  Poa secunda subsp. secunda unknown 1015 Los Angeles Old Wilson Trail Comment
  RSA702162  Polycarpon tetraphyllum Michael Honer 2004-6-22 1997 Los Angeles San Gabriel Mountains: San Antonio Canyon. Along Mt. Baldy Road between Spruce Canyon and Hog Back. 854 Comment
  SBBG31083  Polygonum arenastrum R. F. Thorne 1966-9-16 36713 Los Angeles margin of reservoir at Hay Press 411 Comment
  UCR210536  Polygonum aviculare R. G. Swinney 2008-12-4 9941 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon 1 mi. north of Foothill Blvd. 201 Comment
  RSA650874  Polygonum aviculare subsp. aviculare A. E. Hersh 1950-6-30 s.n. Los Angeles Locality - garden 411 Wade St., Venice. 30 Comment
  RSA466381  Polygonum ramosissimum Louis C. Wheeler 1932-9-8 1356 Los Angeles 2 mi. NE La Verne. 366 Comment
  CAS-BOT-BC71896  Polypodium californicum John H. Thomas 1956-11-8 6468 Los Angeles San Gabriel Mountains, western side of Santa Anita Canyon about 7 miles NNE of Pasadena 609 Comment
  UC812486  Polypodium californicum Marcus E. Jones, A. M. 1882-2-27 Los Angeles Pasadena Comment
  UCR270486  Polypodium californicum R. G. Swinney 2011-3-22 14195 Los Angeles San Gabriel Mts., mouth of Keril Canyon, tributary from east of Big Dalton Cyn., just below Big Dalton Cyn. Dam 549 Comment
  UCSB62319  Polypodium californicum Kiefer, Lawrence 1967-6-4 Los Angeles San Gabriel Mtns., Devil's Canyon-Bear Canyon Wild Area, Little Mermaids Canyon, tributary to W fork of San Gabriel River, ca 1/8mi upstream 548 Comment
  UCSB62447  Polypodium californicum Kendall, M. 1921-3-19 Los Angeles Puddingstone, San Dimas Comment
  CATA1173  Polypogon interruptus Mark L. Hoefs 1995-5-30 2168 Los Angeles Santa Catalina Island: In and near water course, just above Ben Weston Beach 15 Comment
  UC520246  Polypogon monspeliensis Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon; Santa Monica Mountains, Los Alisos Canyon Comment
  RSA623816  Polypogon viridis I. L. Wiggins 1921-11-16 s.n. Los Angeles Arroyo Seco Comment
  SDSU1628  Polystichum imbricans subsp. curtum Gerald Collier 1951-5-5 M 3 Los Angeles About 5 miles north of Santa Anita Dam. Comment
  RSA693288  Polystichum imbricans subsp. imbricans L. E. Hoffman 1930-5-12 s.n. Los Angeles Millard's Canyon. Angeles National Forest. Comment
  RSA569954  Populus fremontii subsp. fremontii Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4866 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  UC520297  Populus trichocarpa Joseph Andorfer Ewan 1933-7-4 7880 Los Angeles Spanish Canyon above Monrovia; San Gabriel Mts., Spanish Canyon above Monrovia 609 Comment
  UCR270229  Populus trichocarpa R. G. Swinney 2011-6-30 15408 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SEINET8725437 Image available Populus trichocarpa F. R. Fosberg 1931-1 S 4704 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Id. Los Angeles Co. Alt. 180 m. 11 Comment
  RSA613497  Portulaca oleracea L. C. Wheeler 1968-9-8 s.n. Los Angeles San Gabriel Mountains: Mountain Brook Ranch 1159 Comment
  RSA464677  Portulaca oleracea Freda Detmers 1932-7-19 s.n. Los Angeles 2600 block of Hoover St. Comment
  UCR179261  Potentilla glandulosa R. G. Swinney 1989-7-13 s.n. Los Angeles San Gabriel Mtns., in and near Glendora Wilderness Park, Morgan Canyon Debris Basin 366 Comment
  UCR194175  Potentilla glandulosa R. G. Swinney 1998-7-29 6539 Los Angeles San Gabriel Mtns., c. 100 m downstream from Upper Fish Fork Campground 1817 Comment
  NY689143  Potentilla multijuga H. E. Hasse 06 1893 s.n. Los Angeles Near Los Angeles. Comment
  UC206183  Prenanthella exigua Katharine Brandegee Los Angeles Santa Catalina Island Comment
  RSA86847  Prunus emarginata F. W. Peirson 1919-6-16 492 Los Angeles South Fork of Rock Creek, San Gabriel Mountains 1829 Comment
  OBI10063  Prunus fasciculata Louis C. Wheeler 1932-4-10 609 Los Angeles San Gabriel Mts 3 mi S Vincent 1067 Comment
  RSA601063  Prunus fasciculata Steve D. Boyd, Lauren Raz 1997-6-18 9995 Los Angeles Liebre Mountains region: Along Elizabeth Lake Road in Leona Valley (San Andreas Fault Rift zone), south of Ritter Ridge, 3.6 road miles west of intersection with Highland St. 890 Comment
  UCR220158  Prunus fasciculata R. G. Swinney 2009-4-2 10262 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
  CAS-BOT-BC154929  Prunus ilicifolia John Thomas Howell 1928-3-2 3365 Los Angeles Vermont [Canon] Canyon, Griffith Park Comment
  POM296354  Prunus ilicifolia Lyman D. Benson 1947-4-30 12349 Los Angeles The Wash, Claremont. Pacific Slope Drainage Area. 351 Comment
  RSA454137  Prunus ilicifolia N. C. Cooper 1943-11-11 983 Los Angeles Mint Canyon. Roadside west of Ranger Station. 762 Comment
  UCR270933  Prunus ilicifolia R. G. Swinney 2011-4-28 14540 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  SEINET10450054  Prunus ilicifolia David B. Dunn 1971-8-11 Dunn 18099 Los Angeles Cultivated plants at 4911 pasadena ave. Terrace Comment
  LA208107  Prunus ilicifolia subsp. ilicifolia C. B. Wolf; P. C. Everett 1937-10-19 sn Los Angeles Placerita Canyon, along Placerita Creek, 1 mi. E of Newhall 396 Comment
  CAS-BOT-BC154569  Prunus ilicifolia subsp. lyonii Edgar A. Mearns 1894-6-25 4063 Los Angeles San Clemente Island Comment
  RSA725915  Prunus lyonii Tim Thibault, Chelsea Ames, Valentin Arvizu, Heather Porter, Janet Takara 2006-4-27 435 Los Angeles Propst Grove, Santa Catalina Island. NE canyon. 354 Comment
  RSA86867  Prunus lyonii F. W. Peirson 1907-7-1 699 Los Angeles Catalina Island. 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
  CAS-BOT-BC356411  Pseudognaphalium beneolens Tim Ross 1992-7-17 6735 Los Angeles San Gabriel Mtns: Rocky summit of Fox [triangulation point, 5033-ft], on the steep divide between Fox Creek and Vogel Canyon 1533 Comment
  CATA992  Pseudognaphalium biolettii Mark L. Hoefs 1994-5-21 1866 Los Angeles Santa Catalina Island: Near Renton Mine Road 195 Comment
  SBBG105382  Pseudognaphalium biolettii R. M. Beauchamp 1976-5-22 4121 Los Angeles N side of cyn, below Lemon Tank 313 Comment
  SBBG97017  Pseudognaphalium biolettii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4432 Los Angeles Bryce Cyn near Malo Pt Comment
  LA209936  Pseudognaphalium biolettii Robert G. Engman; sn Los Angeles SANTA MONICA MOUNTAINS, UCLA campus. 121 Comment
  CATA732  Pseudognaphalium californicum Mark L. Hoefs 1991-5-22 1252 Los Angeles Santa Catalina Island: Upper Cherry Valley 143 Comment
  RSA0084872  Pseudognaphalium californicum R. G. Swinney 2010-5-4 12558 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  UCR101529  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, V. Soza 1997-7-8 10001 Los Angeles San Gabriel Mtns., Northern flank of Sawmill Mtn., upper Heryford Canyon watrshed, along Sawmill Mtn. Road (7N23), c. 0.7 m from the junction w/ Maxwell Truk Trail & Burnt Peak Road. 1500 Comment
  SBBG108962  Psilocarphus tenellus S. A. Junak 1997-3-13 SCl 785 Los Angeles ridge between 2 forks of first cyn E of Mosquito Cyn, near head of W fork, ca. 0.54 mi E of Triangulation Pt "Rest" 365 Comment
  RSA660118  Pterostegia drymarioides Orlando Mistretta 1992-6-12 560 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  UCR126877  Pterostegia drymarioides A. C. Sanders 2003-4-29 26184 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  CAS-BOT-BC421214  Pterostegia drymarioides Carl B. Wolf 1932-5-11 3556 Los Angeles Santa Catalina Islsand. Fourth O'July Cove. Above the road 30 Comment
  LA13045  Puccinellia nuttalliana F. M. Essig; 1923-5-1 6706 Los Angeles Culver City 15 Comment
  UC1583143  Punica granatum Tim Ross, Steve Boyd 1990-5-14 2460 Los Angeles Little Tujunga Canyon along Little Tujunga Road, Angeles Nat'l Forest, San Gabriel Mts Little Tujunga Canyon; San Gabriel Mts, Angeles Nat'l Forest, Tujunga Ranger Distri 463 Comment
  UCD170969  Purshia tridentata var. glandulosa R. G. Swinney 2009-6-17 11214 Los Angeles Transverse Range; San Gabriel Mtns., Fenner Canyon just above confluence with Big Rock Creek. 1628 Comment
  RSA584963  Pycnanthemum californicum Tim S. Ross 1990-6-1 2767 Los Angeles Magnetic Springs: in Moody Canyon (ca. 2.15 air-miles NW of Mt. Gleason). 1195 Comment
  UCR3685  Pycnanthemum californicum Frank C. Vasek 1963-8-16 630816- 04 Los Angeles San Gabriel Mtns, end of Coldwater Canyon, at spring 1220 Comment
  RSA656133  Quercus X grandidentata Valerie L. Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 667 Los Angeles Verdugo Mountains, north side : Northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. SSW of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park. 549 Comment
  SEINET13953045 Image available Quercus agrifolia Peter H. Raven 1959-1 13834 Los Angeles 1.1 mi N of Coast HWY, Topanga Canyon Comment
  LA32178  Quercus berberidifolia Peter H. Raven; Henry J. Thompson 1959-10-18 14678 Los Angeles 640 Comment
  POM273499D  Quercus berberidifolia A. E. Gallup 1947-10-17 65 Los Angeles mouth of Monrovia canyon in wash, San Gabriel Mt. 229 Comment
  RSA479444  Quercus berberidifolia Lyman Benson 1960-7-20 16073 Los Angeles Ganesha Hills, West of Pomona. 366 Comment
  RSA708610  Quercus berberidifolia Valerie L. Soza, Leland Lubinsky 2001-5-16 1224 Los Angeles Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  UCR191698  Quercus berberidifolia A. C. Sanders 2008-4-23 35091 Los Angeles Transverse Range; western San Gabriel Mtns., upper Cow Spring Canyon 1140 Comment
  UCSB72067  Quercus berberidifolia Gross, LeRoy 2000-11-4 Los Angeles Verdugo Mountains: Trail at end of Morning Glow, past Sunglow Way, east off La Tuna Canyon Road, Sun Valley 365 Comment
  RSA522457  Quercus chrysolepis Tim S. Ross 1990-7-10 4047 Los Angeles NE of Tie Summit Station and E of Angeles Forest Hwy. Westerly drainage that meets Tie Canyon. Tujunga Ranger District, Angeles National Forest. 1463 Comment
  RSA675012  Quercus chrysolepis LeRoy Gross 2003-3-1 751 Los Angeles South side; Along Stough Canyon Motorway (dirt road). Pass the nature center. 509 Comment
  SFV4837  Quercus chrysolepis F. L. McPherson 1959-5-2 s. n. Los Angeles Santa Susana Mountains South side of Oat Mountain near the top. 1037 Comment
  UCR141361  Quercus chrysolepis R. G. Swinney 1997-8-19 5811 Los Angeles San Gabriel Mtns, Antonio Peak (Lookout Mtn.), ridge east of Cattle Canyon and west of the west fork of Bear Canyon. 2073 Comment
  POM9637  Quercus chrysolepis P. A. Munz 1920-12-5 4398 Los Angeles Claremont. 366 Comment
  CAS-BOT-BC86223  Quercus dumosa Geo. B. Grant 1904-4-1 6137 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC86402  Quercus dumosa S. Y. Parnay s.n. Los Angeles Henninger's Flats Comment
  SJSU635  Quercus dumosa F. R. Fosberg 1931-7-10 S 5374 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 179 Comment
  CAS-BOT-BC79757  Quercus durata John Thomas Howell 1927-10-16 3151 Los Angeles on the trail between Santa Anita Canyon and Sierra Madre, San Gabriel Mts. Comment
  CHSC95521  Quercus durata var. gabrielensis LeRoy Gross; Valerie Soza, Neil Gilbert 2000-10-18 290 Los Angeles Verdugo Mountains: Intersection of Verdugo Mountainway and Hostetter Mountainway. Along roadside, a short distance down Hostetter Mountainway north side. 914 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
  SBBG125060  Quercus durata var. gabrielensis A. Parikh, N. Gale 2010-6-25 3364 Los Angeles Upper Van Tassel Cyn, 0.2 km SW of Mount Bliss 1080 Comment
  UCR178216  Quercus durata var. gabrielensis LeRoy Gross 2000-11-12 327 Los Angeles Verdugo Mountains, Green Verdugo Fire Road, off Sunland Blvd. just west of 210 freeway. This road goes up to Green Verdugo Reservoir 412 Comment
  RSA476786  Quercus engelmannii F. R. Fosberg 1931-1-7 7113 Los Angeles mouth of little Santa Anita Canyon, Sierra Madre 300 Comment
  UCR271071  Quercus engelmannii R. G. Swinney, Cody Clarke and Veronica Pallan 2011-4-5 14351 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 427 Comment
  UCR237991  Quercus john-tuckeri D. E. Bramlet, Jennifer Pareti 2008-5-8 4262 Los Angeles Transverse Ranges; Liebre Mountains Region, Bouquet Canyon, 176 m east of Atherton Cyn. Rd. & 259 m south of Galton Rd. 492 Comment
  RSA476810  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  SBBG24009  Quercus pacifica C. H. Muller 1953-5-2 9557 Los Angeles upper end of Swain Cyn near ridge top Comment
  HSC97672  Quercus tomentella J. M. Tucker 1992-3-30 Los Angeles Santa Catalina Island, upper end of Gallagher's Canyon, 2 mi NW of Avalon 390 Comment
  RSA232626  Quercus tomentella Larry E. DeBuhr, Wallace 1972-9-3 714 Los Angeles San Clemente Island: Horse Canyon, the first canyon west of Thirst Park. 457 Comment
  SBBG95705  Quercus tomentella M. B. Dunkle 1928-11-2 2028 Los Angeles Gallagher Cyn Comment
  SD107828  Quercus tomentella Larry DeBuhr, Gary Wallace 1972-9-2 700 Los Angeles San Clemente Island, on rocky canyon walls in the second large canyon south of Lemon Tank 366 Comment
  UC557784  Quercus tomentella Nell Murbarger Apr 1936 122 Los Angeles e side San Clemente Island Comment
  RSA0110912  Quercus wislizeni Richard G. Swinney 2011-9-22 15685 Los Angeles San Gabriel Mountains: SE side of Camp Colby (colby Ranch), Colby Grave marker, confluence of Inspiration Cyn. & Coldwater Cyn., near spring & watertank. 1140 Comment
  RSA597133  Quercus wislizeni var. frutescens Louis C. Wheeler 1961-6-12 7864 Los Angeles San Gabriel Mountains. Pacoima Canyon at Bad Canyon. 1059 Comment
  SEINET13387013 Image available Quercus wislizeni var. frutescens R. G. Swinney 2011-1 15167 Los Angeles San Gabriel Mountains: Manzanita Campground area, Chilao Flat, c. 0.7 road mi. NW of S entrance at Angeles Crest Hwy (Chilao Flat 7.5' Q.) (T3N R11W S22) 1585 Comment
  IRVC29101  Rafinesquia californica A. C. Sanders 2003-6-20 26996 Los Angeles "Off-haul Canyon" between San Martinez Grande Canyon and Ventura Co. line, north of Hwy 126 and ca. 1 km NNW of Mayo Spur, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 305 Comment
  SBBG131932  Rafinesquia californica S. A. Junak 2000-5-19 SCa 1331 Los Angeles SE portion of 1999 burn, above Goat Harbor, ca. 0.67 mi SSW of Goat Harbor 384 Comment
  UC75894  Rafinesquia californica unknown April 1901 834 Los Angeles Avalon Catalina Island Comment
  LA52191  Ranunculus californicus Carl Epling; March 1925 6510 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  UCSB31537  Ranunculus californicus Griesel, Wesley 1962-3-17 Los Angeles Tapia Park, Santa Monica Mts. 152 Comment
  RSA84867  Ranunculus cymbalaria var. saximontanus F. W. Peirson 1919-6-15 486 Los Angeles South side of Rock Creek, north slope of San Gabriel Mountains. 1296 Comment
  RSA232289  Ranunculus cymbalaria var. saximontanus Robert F. Thorne, M. Z. Thorne 1969-7-10 38417 Los Angeles Along Mescal Creek. 2043 Comment
  SBBG71869  Ranunculus hebecarpus M. N. Ackley -Apr-1928 913 Los Angeles Santa Monica Mtns 274 Comment
  CAS-BOT-BC74280  Raphanus sativus Louis C. Wheeler 1932-1-8 433 Los Angeles 2 miles southwest of Glendora. 198 Comment
  SEINET10626447 Image available Raphanus sativus Heidi H. Schmidt 1999-10-14 Schmidt 3837 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  RSA797379  Rhamnus californica J. Vlahos 1934-5-13 11 Los Angeles San Antonio Canyon. PR1. 1402 Comment
  UCR223668  Rhamnus californica R. G. Swinney 2009-6-12 11123 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
  RSA596486  Rhamnus californica subsp. californica Louis C. Wheeler 1967-5-24 9723 Los Angeles San Gabriel Mountains: Indian Canyon 793 Comment
  CAS-BOT-BC55988  Rhamnus ilicifolia H. E. McMinn 1925-8-16 1556 Los Angeles Sawpit Canyon, San Gabriel Mts. Comment
  RSA651272  Rhamnus ilicifolia A. E. Hersh 1950-7-15 s.n. Los Angeles Topango [Topanga] Canyon about 3 miles from west end. 152 Comment
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May 29 2014
  POM9557  Rhamnus ilicifolia P. A. Munz 1920-3-10 3529 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  CAS-BOT-BC59776  Rhamnus pirifolia Carl B. Wolf 1932-5-10 3531 Los Angeles Santa Catalina Island. 100 yds. se. of summit of the Equestrian Trail, back of Avalon. 304 Comment
  RSA128014  Rhamnus tomentella subsp. tomentella Peter H. Raven, H. J. Thompson 1959-10-18 14679 Los Angeles In chaparral along Muholland Highway 2.9 mi. east of Decker Road. 663 Comment
  SD69449  Rhus integrifolia Robert F. Thorne, P. Everett 1965-6-22 Los Angeles Santa Catalina Island: South of Avalon golf course in open, flat, sandybottom of Avalon Canyon 89 Comment
  SD85111  Rhus integrifolia E. R. Blakley 1962-10-5 5420 Los Angeles Santa Catalina Island, southeast side of Black Jack Mountain toward White's Cove Anyon 380 Comment
  UCR108200  Rhus integrifolia Jeanne Gural, V. Soza 1997-3-26 16 Los Angeles San Gabriel Mtns., Claremont, Bernard Field Station of the Claremont Colleges, located on the NW corner of Mills Ave. & Foothill Blvd. SW of pHake Lake on lower ele., western portion of the field station. 412 Comment
  UCR239607  Rhus integrifolia Dan S. Cooper 2012-3-19 312- 38 Los Angeles South Coast, Palos Verdes Peninsula, Three Sisters Reserve, north of Barkentine Rd. and of Palos Verdes Dr. South, near Sunshine Trail 117 Comment
  UC535521  Rhus integrifolia Ira W. Clokey, B. Templeton Mar. 1929 4605 Los Angeles Mandeville Canyon, Coast road Mandeville Canyon; Santa Monica Mountains 15 Comment
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Oct 18 2017
  CAS-BOT-BC167946  Rhus ovata Louis C. Wheeler 1931-11-11 341 Los Angeles 2 mi. SW Girard, Santa Monica Mts. 426 Comment
  CAS-BOT-BC167960  Rhus ovata W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  LA62854  Rhus ovata C. L. Hogue; 1954-5-8 sn Los Angeles San Gabriel Mountains, Big Tujunga Wash, just above Foothill Blvd., Sunland Comment
  LA62856  Rhus ovata F. R. Fosberg; 1932-5-7 8160 Los Angeles Santa Catalina Island, Grand Canyon, below upper falls 130.0 Comment
  PASA2370  Rhus ovata A. Carter 1929-1-1 Los Angeles Mouth of Santa Anita Canyon 327-609 Comment
  POM182355  Rhus ovata Joseph A. Ewan 1931-10-24 5292 Los Angeles Talus slope in full sun East Fork Dume Canyon. 549 Comment
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May 8 2014
  RSA670440  Rhus trilobata I. W. Clokey, B. Templeton 1929-04 4451 Los Angeles Mandeville Canyon, Santa Monica Mts. 350 Comment
  CAS-BOT-BC92295  Ribes amarum Le Roy Abrams 1906-7-19 s.n. Los Angeles Wilsons Trail. 914 Comment
  UCR3493  Ribes amarum Frances Miller 1964-4-11 6417 Los Angeles San Gabriel Mtns, Southern slopes of Mt. Wilson, 1 mi up trail from Winter Creek Trail to Orchard Camp Trail, Winter Creek Canyon 1220 Comment
  CAS-BOT-BC482464  Ribes aureum R. G. Swinney 2010-4-30 12464 Los Angeles San Gabriel Mountains: near Sylmar, Wilson Canyon Park, 0.67 mi E of Wilson Cyn. Debris Basin on S side of the ridge S of the southern of the two eastern forks of Wilson Cyn 616 Comment
  SFV18429  Ribes aureum C. Ferguson s. n. Los Angeles San Gabriel Mountains Placerita Canyon Natural Area Park. Along road into Walker Ranch. Comment
  RSA509585  Ribes aureum var. gracillimum Louis C. Wheeler 1967-7-23 10146 Los Angeles Sand Canyon at Iron Canyon. 526 Comment
  RSA592151  Ribes aureum var. gracillimum Louis C. Wheeler 1967-5-2 9279 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
  RSA720246  Ribes aureum var. gracillimum LeRoy Gross 2007-4-27 2653 Los Angeles Southern front of the range; Sherer Canyon. West branch of this canyon. At some old foundations, power lines running up the ridge north of here. 288 Comment
  SFV1609  Ribes californicum P. G. Kilburn 1958-2-7 596 Los Angeles Santa Susana Mountains Oat Mountain. North slope, Orcutt Ranch. 915 Comment
  RSA162820  Ribes californicum var. hesperium J. D. Olmsted 1960-1-8 1092 Los Angeles San Dimas Canyon, 1/2 mile north of lower guaging station (bottom of Riparian Wdl.) 427 Comment
  UCR124367  Ribes californicum var. hesperium I. W. Clokey, B. C. Templeton 1929-1 4472 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 350 Comment
  UC1334716  Ribes californicum var. hesperium John E. Stumbo and John C. Bayse 1963-12-10 Los Angeles native vegetation area of Lux Arboretum Annex; Monrovia 365 Comment
  CAS-BOT-BC167102  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 560 Comment
  CAS-BOT-BC173105  Ribes indecorum L. R. Abrams 1916-1-3 5572 Los Angeles Between Duarte and Azusa Comment
  SEINET3095402 Image available Ribes indecorum Dick Swinney 1990-1-6 1508 Los Angeles San Gabriel Mountains, 70 yards W of Glendora Mountain Road, just N of Glendora Ridge Motorway, on an old dirt road. Comment
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Oct 1 2020
  RSA279106  Ribes indecorum R. F. Thorne 1971-3-25 41506 Los Angeles San Gabriel Mountains: Lower Evey Canyon off San Antonio Canyon 716 Comment
  CAS-BOT-BC173409  Ribes malvaceum L. R. Abrams 1901-4-1 1313 Los Angeles Santa Monica Mountains Comment
  UC56954  Ribes malvaceum Miss E. D. Palmer Los Angeles Los Angeles Comment
  RSA441486  Ribes malvaceum var. viridifolium E. Crow 1929-1-13 146 Los Angeles San Dimas Canyon. Comment
  CAS-BOT-BC209696  Ribes quercetorum Le Roy Abrams; E. A. McGregor 1908-6-19 319 Los Angeles Oakgrove Canyon, Liebre Mountains 1219 Comment
  RSA702485  Ribes quercetorum Scott D. White 2004-5-5 10300 Los Angeles Liebre Mountains: Bald Mtn. area, west of Old Ridge Route. 1280 Comment
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Mar 12 2010
  UCR124733  Ribes roezlii var. roezlii B. C. Templeton 1932-7-21 5020 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  CAS-BOT-BC144437  Ribes speciosum Louis C. Wheeler 1932-1-10 436 Los Angeles Puddingstone Dam 304 Comment
  CAS-BOT-BC144441  Ribes speciosum LeRoy Abrams 1902-3-11 3118 Los Angeles Sepulveda canyon, Santa Monica mts. Comment
  CAS-BOT-BC168667  Ribes speciosum John Thomas Howell 1928-3-2 3363 Los Angeles Vermont Canyon, Griffith Park Comment
  CAS-BOT-BC168673  Ribes speciosum John I. Carlson 1918-4-24 s.n. Los Angeles Griffith Park Comment
  LA33879  Ribes speciosum Peter H. Raven; Henry J. Thompson 1959-4-3 13917 Los Angeles Santa Monica Mountains, Saddle Peak, 0.5 mi. E of peak 701 Comment
  UCSB2669  Ribes speciosum Wedberg, H. 1957-3-3 Los Angeles Tuna Canyon; Santa Monica Mts Comment
  RSA652396  Ricinus communis R. Spence, N. Evenhuis 1974-8-12 s.n. Los Angeles Puddingstone Res. Comment
  RSA76952  Ricinus communis F. W. Peirson 2047 Los Angeles New York Ave, Altadena. Comment
  SD107822  Ricinus communis Larry DeBuhr, Gary Wallace 1972-9-2 696 Los Angeles San Clemente Island, below barracks area at Wilson Cove Comment
  RSA593762  Rigiopappus leptocladus Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8549 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  POM259069  Rigiopappus leptocladus Gaines 1940-5-10 s.n. Los Angeles Chilao Flats, San Gabriel Moutnains. Comment
  UCR260900  Rorippa A. C. Sanders 2009-5-20 36847 Los Angeles San Gabriel Valley, Rio Hondo at Rancho Lujan, between Montebello and South El Monte, east side of San Gabriel Blvd., SE of Darlington St. intersection 73 Comment
  UCR125637  Rorippa curvisiliqua A. C. Sanders 2003-5-26 25860 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
  UCR220177  Rorippa nasturtium-aquaticum R. G. Swinney, Jane Strong 2009-4-7 10310 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Antonio Canyon, 2.4 miles north of Shinn Rd. 1073 Comment
  RSA449698  Rosa californica Anstruther Davidson 1892-06 1829 Los Angeles Catalina Island. Comment
  UCR258582  Rubus ursinus R. G. Swinney 2010-4-23 12361 Los Angeles San Gabriel Mountains, lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary 610 Comment
  UCD101103  Rumex conglomeratus Daryl Koutnik 1978-6-24 559 Los Angeles Mulholland Highway, one mile south of Seminole Hot Springs. 335 Comment
  UCR100621  Rumex crispus B. G. Pitzer 1996-5-5 2866 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR205062  Rumex crispus R. G. Swinney 2008-4-4 8608 Los Angeles San Gabriel Mtns., lower Ham Canyon where it runs through San Dimas Golf Course, just above confluence with San Dimas Wash 366 Comment
  RSA595456  Rumex hymenosepalus Tim S. Ross, Victor W. Steinmann 1995-5-8 8550 Los Angeles NE side of Bouquet Reservoir; Spunky Canyon Road ca 500 m SE of the mouth of Spunky Canyon 919 Comment
  SEINET3160783  Rumex pulcher L. Abrams 1902-5-31 2479 Los Angeles Inglewood Comment
  CAS-BOT-BC445800  Sagittaria montevidensis S. B. Parish; W. F. Parish 1881-10-1 1136 Los Angeles Coyote Creek Comment
  RSA651662  Salazaria mexicana Warren Crawford 1969-5-9 s.n. Los Angeles Pearblossum Hwy 138 Comment
  SEINET10869900  Salazaria mexicana David B. Dunn 1947-4-16 Dunn 2946 Los Angeles 3 mi e and 2 mi s of palmdale. Station 13, 1 mi sw of from jct of lp and cut Off. Comment
  UC465479  Salicornia subterminalis unknown 1920-1-21 4610 Los Angeles Isthmus Santa Catalina Island Comment
  UCR65205  Salicornia subterminalis F. R. Fosberg 1931-5-17 S- 04888 Los Angeles Channel Islands, Santa Catalina Island, Little Harbor 5 Comment
  CAS-BOT-BC103169  Salix bonplandiana F. R. Fosberg 1932-3-13 7427 Los Angeles Lower Topanga Canyon, Santa Monica Mts. 15 Comment
  LA52087  Salix exigua Carl Hedin; Joseph Ewan 1932-4-22 7630 Los Angeles SANTA MONICA MOUNTAINS, 4 hectometers E of Radford Dr. Los Angeles River. Comment
  POM308089  Salix exigua Henry J. Ramsey, Henry J. Ramsey 1937-3-21 2908 Los Angeles North Craig Ave., Altadena. Comment
  RSA305925  Salix exigua Fay A. MacFadden 1933-04 s.n. Los Angeles Tujunga Wash, Stonehurst; Verdugo Mts. Comment
  RSA746537  Salix exigua A. C. Sanders, T. B. Salvato 2009-5-20 36850 Los Angeles San Gabriel Valley: Rio Hondo at Rancho Lujan, between Montebello and South El Monte, E side of San Gabriel Blvd., SE of Darlington St. intersection. 61 Comment
  UCR212825  Salix gooddingii Ellen Mackey, Blake Whittington 2006-10-4 NFWF- 1780 Los Angeles Transverse Ranges; San Gabriel Mountains, San Gabriel River watershed, San Dimas Canyon Creek just downstream from dam 404 Comment
  UCR214624  Salix gooddingii A. C. Sanders, Dan S. Cooper 2010-3-12 37355 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  UCSB52078  Salix gooddingii Bishop, Richard 1967-5-13 Los Angeles Roadside 2 mi. east of Live Oak Campground on Bear Canyon Road, San Gabriel Mountains 762 Comment
  CAS-BOT-BC104140  Salix hindsiana Frank W. Peirson 1919-6-15 716 Los Angeles Pinyon Ridge, Rock Creek, San Gabriel Mts. 1371 Comment
  RSA488001  Salix laevigata Mark Hoefs, D. Propst 1973-3-14 100 Los Angeles Cape Canyon, Santa Catalina Island. 305 Comment
  UC506433  Salix laevigata Carl Hedin and Joseph Ewan 1933-6-29 7644 Los Angeles Comment
  UC492416  Salix lasiandra subsp. lasiandra Carl W. Sharsmith 1932-1-17 8 Los Angeles ca. 9.5 km. above Azusa; Lower San Gabriel Canyon 300 Comment
  LA208791  Salix lasiolepis Carl Hedin; Joseph Ewan 1933-2-16 7652 Los Angeles Verdugo Canyon at Colina Drive [Area 3] Comment
  RSA155822  Salix lasiolepis Peter H. Raven 1962-5-20 17801 Los Angeles Santa Catalina Island. Bullrush Canyon, about opposite ranch in Middle Canyon. 213 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
  UCR197190  Salix lasiolepis Valerie Soza, LeRoy Gross, Ruby Kopelov 2000-3-30 670 Los Angeles Transverse Ranges; Verdugo Mountains, north side, northeastern side of La Tuna Canyon, north of 210 Fwy and La Tuna Canyon Road. Southsouthwest of Haines Canyon Avenue and Elmhurst Drive junction, Haines Canyon Park 518 Comment
  UCR210104  Salix lasiolepis R. G. Swinney 2008-8-13 9374 Los Angeles San Gabriel Mtns., Icy Springs, tributary of Big Rock Creek 1756 Comment
  RSA92646  Salix lasiolepis F. W. Peirson 1932-3-3 9767 Los Angeles Arroyo Seco, Pasadena 396 Comment
  UC506406  Salix lasiolepis Carl Hedin and Joseph Ewan 1933-2-16 7652 Los Angeles Comment
  CAS-BOT-BC107529  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 202 Los Angeles Santa Monica [Canon] Canyon Comment
  CDA20305  Salsola australis M. O'Brien 2004-11-1 s.n. Los Angeles Southern California Coast; El Pescador State Beach. 0 Comment
  RSA800794  Salsola tragus Jane Tirrell 2012-8-20 LS 0154 Los Angeles South side of California State Route 2 approx. 1.5 miles west of Dawson Saddle; 100 meters east of mile marker 67.86. 2314 Comment
  UCR216745  Salsola tragus R. G. Swinney 2009-2-20 10014 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
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Dec 24 2010
  RSA0094994  Saltugilia splendens subsp. grantii Orlando Mistretta 1992-6-12 549 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  RSA469650  Saltugilia splendens subsp. grantii Robert Gustafson 1973-5-17 s.n. Los Angeles Charlton Flats campground, Angeles Natl. Forest 1676 Comment
  RSA754010  Saltugilia splendens subsp. grantii D. W. Foster s.n. Los Angeles Angeles National Forest, San Gabriel Mts., N3, Tie Cyn 1555 Comment
  LA31080  Salvia apiana Harlan Lewis; 1957-5-25 sn Los Angeles Santa Monica Mountains, Topanga Canyon, New Topanga Rd, 4.8 mi N of Ferndale [Fernwood] Road 411 Comment
  RSA600746  Salvia apiana Louis C. Wheeler 1967-6-15 9840 Los Angeles Liebre Mountain Region: Foothills NE of Saugus. 381 Comment
  UCD125438  Salvia apiana Elise Jackson 1993-5-6 22 Los Angeles Eddleston Park, Reseda Blvd. at Calle Vista Circle. Comment
  UCR178085  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Los Angeles Basin, Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  RSA411298  Salvia apiana M. Bisbee 1917-5-26 s.n. Los Angeles Hills north of Eagle Rock Valley. Comment
  SEINET4567415  Salvia apiana S. Carlquist 1983-7-27 15804 Los Angeles Campus of Webb School, Claremont Comment
  UC25685  Salvia clevelandii unknown 1896-3-6 Los Angeles Valley Center Comment
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Jun 26 2015
  RSA0073268  Salvia columbariae Orlando Mistretta, Christine Mistretta 2005-4-21 2073 Los Angeles Transverse Ranges; San Gabriel Mountains region: Big Pines Highway, 2.85 miles SE of Valyermo Ranger Station. 1341 Comment
  RSA651675  Salvia columbariae R. Carlson 1961-5-4 78 Los Angeles San Dimas Canyon. Comment
  RSA725086  Salvia columbariae Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -7 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
  UC1713565  Salvia columbariae E. D. Palmer May 1903 Los Angeles Garvanza Comment
  SEINET7978749  Salvia dorrii var. pilosa B. Ertter, J. Strachan 1979-6-29 3007 Los Angeles North edge of Angeles NF, ca. 9 airmiles ESE of Pearblossom, 1.7 mile N of Mile High on County Hwy N4. 1463 Comment
  UC1584234  Salvia leucophylla Tim Ross and Steve Boyd 1990-6-6 2876 Los Angeles Piru Pond; Los Padres National Forest, Liebre Mtn. U.S.G.S. 7.5' Quad. 644 Comment
  UC520120  Salvia leucophylla Carl Epling 1932-6-10 Los Angeles Topanga Canyon; Santa Monica Mountains Comment
  CAS-BOT-BC229930  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101 548 Comment
  OBI26263  Salvia mellifera Mark Schneider 1973-5-17 20 Los Angeles Seven Hills Ranch, Tujunga, San Bernardino Mts 549 Comment
  RSA0087042  Salvia mellifera R. G. Swinney 2010-3-13 11874 Los Angeles Kagel Canyon, 2.2 miles north of I-210 Fwy, along Kagel Cyn. Road. 482 Comment
  RSA59067  Salvia mellifera G. R. Campbell 1950-4-17 14594 Los Angeles Escondido Canyon, on road to Malibu Lake, 8 miles from Hwy Alt. 101. 549 Comment
  RSA670303  Salvia mellifera Joseph M. Keefe 2001-3-19 31189 Los Angeles San Rafael Mountains. 20 meters north of Glenoaks Boulevard, 150 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 488 Comment
  SFV9211  Salvia mellifera W. C. Willig 1974-5-3 50 Los Angeles Santa Monica Mountains Agoura. 0.25 miles north of Lobo Canyon Road, 0.75 miles west of Triunfo Canyon Road, Lobo Canyon. 274 Comment
  SBBG17052  Salvia spathacea K. A. Wilson 1961-3-10 962 Los Angeles Old Topanga Cyn Rd, ca. 1/4 mi W of Topanga Cyn Rd Comment
  SFV15657  Salvia spathacea A. G. Hile 1992-5-10 2 Los Angeles Santa Monica Mountains Malibu, Charmlee Park. North of picnic area. 400 Comment
  UC76196  Salvia spathacea unknown May 1902 1104 Los Angeles Pasadena Comment
  RSA477551  Sambucus mexicana Ella M. Kennedy 1923-3-5 s.n. Los Angeles Pasadena. Comment
  UC1595289  Sambucus mexicana Tim Ross 1991-3-10 4220 Los Angeles Bernard Field Station Claremont, Bernard Field Station (e side of RSA, vicinity of Phake Lake, marked as Pit on topo map) 391 Comment
  SEINET12740127  Sambucus mexicana E. Adams 1978-1 Los Angeles Altadena, Eaton Canyon Dam. Comment
  RSA0022257  Sambucus nigra Duncan S. Bell, Caitlin Elam 2013-8-1 5547 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; above Columbine Spring. 2312 Comment
  CAS-BOT-BC238754  Sambucus nigra subsp. caerulea Blanche Dougan Cole 1908-10-1 s.n. Los Angeles San Gabriel Mts., Los Angeles Comment
  RSA776472  Sambucus nigra subsp. caerulea Jane Tirrell 2011-8-19 LS- 39 Los Angeles South side of Highway 2 in Big Rock Creek drainage. 2308 Comment
  SFV6196  Sambucus nigra subsp. caerulea R. M. Muran 1974-3-26 52 Los Angeles Santa Monica Mountains Mandeville Canyon area. 427 Comment
  LA94337  Sambucus nigra subsp. canadensis A. M. Johnson; 1932-5-30 4117 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  CATA1458  Sanicula arguta Mark L. Hoefs, Robert F. Thorne 1996-4-6 2642 Los Angeles Santa Catalina Island: Renton Mine Road 243 Comment
  UCR274106  Sanicula crassicaulis Steven A. Junak 1999-4-22 SCa- 844 Los Angeles California Islands, Santa Catalina Island. Cape Canyon, just downstream from pumphouse along east fork of Cape Canyon Road, just upstream from fork in road 305 Comment
  UCR246417  Sanicula tuberosa Dan S. Cooper 2011-6-6 611- 78 Los Angeles Western San Gabriel Mountains, Portal Ridge, east of Three Points, off Pine Canyon Rd. 1332 Comment
  RSA445302  Satureja mimuloides Geo. L. Moxley 1915-7-24 437 Los Angeles Arroyo Seco Canyon, about 1/2 mile above Oak Wild Camp. Comment
  RSA726056  Schedonorus arundinaceus R. G. Swinney 1997-6-25 5637 Los Angeles San Gabriel Mtns.: west of Wrightwood, Mountain High Ski Resort runway, ca. 2 miles east of Hwy 2 on FS road 3N06, Guffy Rd. 2366 Comment
  CATA857  Schismus arabicus Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-30 1666 Los Angeles Santa Catalina Island: Little Harbor 4 Comment
  RSA588057  Schismus arabicus Orlando Mistretta 1994-4-15 1068 Los Angeles San Gabriel Mountains, Santiago Canyon: W slopes of drainage near confluence with Little Rock Creek. 1250 Comment
  RSA654556  Schismus barbatus Benjamen Rangel 1992-4-12 777 -8 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  UCR186801  Schismus barbatus Gary Kovnat, LeRoy Gross 2003-2-2 11 Los Angeles Transverse Ranges; San Gabriel Mountains region, Angeles National Forest, Gold Creek Ecological Preserve, south terrace south west corner of meadow Comment
  RSA188177  Scirpus microcarpus Robert F. Thorne 1966-4-5 35809 Los Angeles Santa Catalina Island: Middle Ranch Canyon below Stage Station SW of Eagles Nest 76 Comment
  SBBG31404  Scirpus microcarpus R. F. Thorne 1966-4-5 35809 Los Angeles Middle Cyn below Stage Station SW of Eagles Nest 76 Comment
  LA51843  Scrophularia californica subsp. californica Miss Courtney; 1926-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA356053  Scrophularia californica subsp. floribunda Robert F. Thorne 1973-3-26 42720 Los Angeles Webb Canyon, N of Claremont 366 Comment
  CATA92  Scrophularia villosa Mark L. Hoefs 1973-3-13 69 Los Angeles Santa Catalina Island: Upper Avalon Canyon, west of Wrigley Memorial 152 Comment
  RSA25629  Scrophularia villosa Carl B. Wolf 1941-6-25 10895 Los Angeles Santa Catalina [Island]. Head of Avalon Canyon, 300 yards SW of Wrigley Mausoleum. 152 Comment
  OBI44800  Scutellaria mexicana David J. Keil, V. L. Holland, Michael Stiles, and Francis Villablanca 1987-5-1 20052 Los Angeles Angeles Natl Forest, Littlerock Reservoir Comment
  JEPS62908  Scutellaria siphocampyloides Frank W. Peirson 1921-6-15 1051 Los Angeles Chilao; Pine Flats Region, San Gabriel Mountains, Chilao 1676 Comment
  RSA0013628  Scutellaria siphocampyloides Orlando Mistretta, Youssef Atallah 2011-8-16 6047 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  CDA3929  Sedum album R. E. Riefner Jr. 2006-7-18 06 -305 Los Angeles City of Pasadena, San Rafael Hills, vicinity of Wierfield Drive at Glen Oaks Boulevard. Comment
  RSA0081657  Sedum spathulifolium L. C. Wheeler 1948-6-13 6653 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon. 944 Comment
  CAS-BOT-BC62033  Selaginella bigelovii L. R. Abrams; I. L. Wiggins 1931-7-6 341 Los Angeles Vicinity of Mosquito Harbor Comment
  LA94002  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1680 Los Angeles SANTA MONICA MOUNTAINS, ca 0.75 mi S of Calamigos. 487 Comment
  UCR127007  Selaginella bigelovii A. C. Sanders 2003-5-1 26252 Los Angeles Western San Gabriel Mtns., SE rim of Castaic Mesa above Charlie Canyon, east of Lake Hughes Rd. and south of the filtration plant, Newhall Ranch 412 Comment
  LA5826  Selaginella bigelovii A. M. Johnson; 1934-3-16 4379 Los Angeles Comment
  POM254746  Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo 10 Comment
  UCR132302  Senecio flaccidus var. douglasii John F. Green 2003-7-17 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, just east of Jet Prop. Lab., transect zero below diversion dam 366 Comment
  CAS-BOT-BC341214  Senecio lyonii J. H. Thomas 1949-2-22 1 Los Angeles Wilson's Cove, San Clemente Island Comment
  RSA473110  Senecio vulgaris Robert Gustafson 1981-3-18 2124 Los Angeles Ballona Wetlands, Area 3. Comment
  CAS-BOT-BC438166  Sesuvium verrucosum I. Johnston 1917-4-11 s.n. Los Angeles Nigger Slough Comment
  CATA1082  Silene gallica Mark L. Hoefs 1995-5-16 2032 Los Angeles Santa Catalina Island: Big Springs Canyon, near road to Two Harbors 103 Comment
  CATA661  Silene gallica Mark L. Hoefs 1991-4-23 1150 Los Angeles Santa Catalina Island: Around upper White's Landing Road 451 Comment
  RSA477872  Silene gallica F. R. Fosberg 1931-4-15 S- 4633 Los Angeles Eagle's Nest, Middle Ranch Canyon, Santa Catalina Island 180 Comment
  SBBG117003  Silene gallica S. A. Junak with R. N. Philbrick 2001-5-18 SCa 1542 Los Angeles Cottonwood Cyn, along N side of Cottonwood-Blackjack Rd, ca. 1.65 mi WSW of Blackjack Pk 304 Comment
  SBBG128760  Silene gallica M. L. Hoefs 1995-5-16 2032 Los Angeles Big Springs Cyn, near rd to Two Harbors 103 Comment
  RSA477865  Silene gallica Richard C. Barkelew 1929-4-17 14553 Los Angeles Santa Monica Mountains, Mulholland Highlands, Los Angeles. Comment
  SEINET3155767  Silene laciniata G. B. Grant 1205 Los Angeles collected at Pasadena Comment
  UC465690  Silene laciniata subsp. major Geo. B. Grant May, 1904 1205 Los Angeles Pasadena Comment
  RSA229107  Silene parishii R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38870 Los Angeles above Angeles Hwy. 0.6 mi. SSE of Dawson's saddle 2393 Comment
  POM17852  Silene verecunda subsp. platyota P. A. Munz 1923-9-1 7704 Los Angeles Swartout Valley, San Gabriel Mts. Narrow north-facing canyon at old sawmill. 2042 Comment
  RSA17078  Sisymbrium altissimum C. B. Wolf 1936-5-27 7834 Los Angeles Indian Canyon Camp, 2 miles off Soledad Canyon 915 Comment
  UCD115498  Sisymbrium altissimum Daryl Koutnik; Vickie Dawes 1978-4-7 306 Los Angeles south of Pearblossom Highway at 47 Street-East. 792 Comment
  UCR125951  Sisymbrium officinale A. C. Sanders, Mark Elvin 2002-6-19 25167 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, spring 1.5 mi. ESE of Del Valle, SW of Castaic Junction, canyon above bench mark 926, just south of Santa Clara River 305 Comment
  RSA749036  Sisymbrium orientale R. G. Swinney 2008-5-2 8745 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  UCR184355  Sisymbrium orientale A. C. Sanders 2007-4-19 33465 Los Angeles Tehachapi Mtns. Foothills, hills north of Oso Canyon and south of the National Cement Plant 1098 Comment
  UCR91366  Sisymbrium orientale Scott D. White 1995-3-15 2566 Los Angeles South Coast, Malibu, upslope from Winter Canyon, near Pepperdine University; north of Pacific Coast Hwy, east of Malibu Canyon Road, SW of Malibu Civic Center Way 91 Comment
  SBBG109045  Sisymbrium orientale S. A. Junak 1996-5-29 SCl 545 Los Angeles China Pt Rd, ca. 1.3 mi S of intersection with San Clemente Ridge Rd 289 Comment
  VVC3375  Sisyrinchium bellum Tim Thomas 1973-4-24 9 Los Angeles Transverse Range, Santa Monica Mountains, Mulholland Hwy at Cold Creek 290 Comment
  RSA12277  Sisyrinchium bellum Carl B. Wolf 1934-4-11 s.n. Los Angeles Bryant Ranch, E of Long Beach. Comment
  LA200855  Solanum americanum Michael Neuman; October 1983 5 Los Angeles Santa Monica Mountains, Hollyhock Canyon, tributary to Mandeville Canyon 374 Comment
  POM296787  Solanum douglasii Lyman D. Benson 1947-1-13 12275 Los Angeles Little Dalton Canyon, Glendora 427 Comment
  SBBG49564  Solanum douglasii M. R. Benedict 1971-6-26 Los Angeles 0.5 mi S of Wilson Cove Comment
  SD69442  Solanum douglasii Robert F. Thorne 1966-4-28 36247 Los Angeles Santa Catalina Island: margin of deep gully, Hay Press area 427 Comment
  OBI35600  Solanum douglasii Rebecca Cicoria 1981-4-24 11 Los Angeles Lower Sepulveda Cyn, Rolling Hills Comment
  RSA422401  Solanum douglasii Charlotte Brown 1929-1-13 s.n. Los Angeles Little Santa Anita Canyon Comment
  RSA561592  Solanum douglasii Steve D. Boyd, Orlando Mistretta 1993-6-3 8180 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
  RSA572117  Solanum douglasii M. B. Dunkle 1939-4-3 7225 Los Angeles Chenetti Canyon, San Clemente Island. Comment
  UCD126878  Solanum douglasii C. W. Tilforth 1969-5-2 180 Los Angeles West side of Colima Avenue, just north of Punta del Este Road, between Whittier and West Covina. Comment
  RSA80396  Solanum umbelliferum F. W. Peirson 1921-2-26 2792 Los Angeles Topango Canyon, Santa Monica Mts. 457 Comment
  UC457237  Solanum umbelliferum Carl Epling, Nesta Dunn, Alice Goen 1931-5-16 Los Angeles San Gabriel Mountains, Big Pines Camp Big Pines Camp; San Gabriel Mountains, Big Pines Camp Comment
  RSA549133  Solanum umbelliferum Tim S. Ross 1992-7-16 6704 Los Angeles San Gabriel Mountains: ridgeline between Iron Mountain and Condor Peak; in low saddle just NE of 4949 foot ridgetop knoll. 1482 Comment
  NY820450  Solanum xanti L. Abrams 1902-6-17 2556 Los Angeles Sepulveda cañon, Santa Monica Mts. Comment
  NY820487  Solanum xanti T. S. Ross 1990-6-18 3499 Los Angeles San Gabriel Mountains. Ball Flat: 1500 m due N of Jackson Lake, between the Boulder Canyon and Mescal Creek drainages 1743 Comment
  SBBG21161  Solanum xanti E. C. Twisselmann 1964-6-10 9619 Los Angeles fork at head of Castaic Valley 1310 Comment
  RSA0022990  Solidago californica Duncan S. Bell, Caitlin Elam 2013-8-1 5562 Los Angeles Sheep Mountain Wilderness; south side of Prairie Fork; Pine Mountain Ridge; Columbine Spring. 2174 Comment
  RSA0056483  Solidago californica Orlando Mistretta 1992-8-20 767 Los Angeles Transverse Ranges; San Gabriel Mountains region: Mt. Gleason Management Unit. Mt. Gleason. Tujunga Ranger District. Comment
  SEINET11382850 Image available Solidago confinis F. R. Fosberg, Ewan, Joseph 1931-1 4942 Los Angeles Big Cienega above Crystal Lake Comment
  CAS-BOT-BC365025  Solidago velutina subsp. californica F. Grinnell Jr. 1908-10-8 s.n. Los Angeles Switzer Camp, San Gabriel Mts. 914 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
  JEPS30626  Sonchus oleraceus Peter H. Raven 1959-5-9 14165 Los Angeles Mulholland Hwy 1 mi w Las Virgenes Rd. (Malibu Creek drainage, Santa Monica Mountains); Santa Monica Mountains, Malibu Creek drainage 274 Comment
  RSA511330  Sonchus oleraceus A. C. Sanders 1988-5-18 7844 Los Angeles El Segundo Dunes, immediately W of L.A. International Airport & Pershing Drive, & E of Vista Del Mar Blvd. 1 Comment
  RSA651185  Sonchus oleraceus Richard L. Herrin 1948-5-13 s.n. Los Angeles Burbank. Corner of Olive Ave. & Kenneth Road Comment
  SBBG20497  Sonchus oleraceus E. R. Blakley 1963-12-7 6371 Los Angeles 200 yds SE of new air strip 60 Comment
  UCR41710  Sonchus oleraceus G. R. Ballmer, G. Pratt 1986-3-25 s.n. Los Angeles Southern Coast, El Segundo Dunes, back edge of the beach just west of Los Angeles International Airport 6 Comment
  SEINET3260403 Image available Spergularia A. C. Sanders, Mark Elvin; Cathleen Weigand 2002-7-30 25482 Los Angeles NE end of Santa Susana Mtns.; Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals. 335 Comment
  CATA3042  Spergularia bocconi Amy Catalano 2016-3-21 051 Los Angeles Santa Catalina Island: Driveway to milkhouse in Middle Ranch 188 Comment
  LA201172  Spergularia macrotheca var. leucantha Arthur C. Gibson; 2003-5-21 4707 Los Angeles Comment
  SBBG96698  Spergularia macrotheca var. macrotheca S. Boyd with T. Ross, L. Arnseth 1990-4-7 4250 Los Angeles lower half of China Cyn, W side Comment
  POM156665  Spergularia platensis L. R. Abrams 1903-4-4 3252 Los Angeles On adobe mesa bet Rivera and Florence Comment
Read comments
Aug 17 2013
  UCR210073  Spergularia villosa A. C. Sanders 2009-11-6 37205 Los Angeles South Coast, Madrona Marsh, Torrance 24 Comment
  SEINET4044588  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 167 Comment
  SEINET4044602  Stachys ajugoides D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains. 182 Comment
  IRVC27018  Stachys albens Mark A. Elvin, Tricia Wotipka, Scott Boczkiewicz 2003-8-13 2989 Los Angeles S side of the Santa Clara River, ca 200 m upstream from the mouth of Potrero Creek Santa Clarita Valley 274 Comment
  LA48335  Stachys albens Peter H. Raven; Henry J. Thompson 1960-7-17 15540 Los Angeles SANTA MONICA MOUNTAINS, Arroyo Sequit, 1.6 mi N of the Coast Hwy. 137 Comment
  POM156182  Stachys albens L. R. Abrams 1902-6-12 2520 Los Angeles Ballona Creek, near Mesmer. Comment
  POM63390  Stachys albens C. F. Baker 1903-8-2 3663 Los Angeles San Gabriel Mts: San Antonio Canyon near Claremont. Comment
  RSA0080424  Stachys albens R. G. Swinney 2011-6-29 15340 Los Angeles Mill Creek, upstream of Monte Cristo Campground, between campground and the confluence with Monte Cristo Creek. 1098 Comment
  POM222247  Stachys bullata Louis C. Wheeler 1936-7-3 4210 Los Angeles San Gabriel Mountains: Bailey Canyon. 396 Comment
  CAS-BOT-BC60913  Stanleya pinnata Ernest C. Twisselmann 1964-5-7 9391 Los Angeles Mojave Desert. Avenue E, 5 miles east of Highway U.S. 6. 617 Comment
  SBBG25146  Stanleya pinnata var. pinnata Leota Davidson 1965-5-9 165 Los Angeles Hwy 14, ca. 16 mi E of Solemint Comment
  UCR219558  Stellaria neglecta R. G. Swinney 2009-3-28 10211 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
  SEINET12558157 Image available Stellaria nitens Timothy S. Ross, Darin Banks 1994-1 7507 Los Angeles San Francisquito Canyon: westerly ridge descending from SW/NE-trending ridge which divides S. Fr. Cyn from Dry Canyon; ca 480 m SE of where Drinkwater Canyon joins S. Fr. Canyon. Warm Springs Mountain 7.5' USGS Quadrangle. 634 Comment
  CAS-BOT-BC375072  Stephanomeria F. Grinnell Jr. 1917-8-19 s.n. Los Angeles Pacoima Wash near San Fernando Comment
  RSA474171  Stephanomeria cichoriacea Geo. L. Moxley 1914-9-7 7 Los Angeles Cota, near Long Beach Comment
  SFV21464  Stephanomeria cichoriacea L. Gross 2001-9-1 447 Los Angeles Verdugo Mountains North side of mountains. Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Nortwest-facing cliff near the main crest at top of Henderson Canyon. 854 Comment
  UC1870190  Stephanomeria cichoriacea LeRoy Gross 2001-9-1 447 Los Angeles Los Angeles Basin: Verdugo Mountains; north side, Along Verdugo Mountain Way east of Whiting Woods Mountain Way. Northwest facing cliff near the main crest, at top of Henderson Canyon 854 Comment
  RSA0070813  Stephanomeria cichoriacea Fordyce Grinnell Jr. 1911-09 s.n. Los Angeles San Gabriel Mts. Comment
  SBBG67910  Stephanomeria pauciflora R. Hoffmann 1927-8-31 Los Angeles Mint Cyn Comment
  UCD136406  Stephanomeria pauciflora Scott D. White; Pam DeVries 20-21 Nov 1997 6025 Los Angeles Big Tujunga Wash (San Gabriel Mountain Foothills/ East San Fernando Valley): west of Sunland, southwest of I-210 Freeway, east of Hansen Dam, and north of Wentworth St. 335 Comment
  UCSB7371  Stephanomeria pauciflora Wedberg, H. 1958-7-24 Los Angeles Angeles Forest Hwy. between Vincent and tunnel, San Gabriel Mtns. Comment
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Feb 18 2015
  CHSC95432  Stillingia linearifolia LeRoy Gross 2001-5-27 425 Los Angeles Los Angeles Basin; Verdugo Mountains Region: northwest side; Dead end street at corner of Tuxford St. and Ledge Ave. just north of La Tuna Canyon Road in city of Sun Valley, just north of La Tuna Canyon Road in the city of Sun Valley, just west of mouth of McDonald Creek. New homes on a low open hill with sun, area cleared for fire safety. 305 Comment
  UC303799  Stillingia linearifolia I. M. Johnston 1918-4-27 1865 Los Angeles Temescal Canyon 365 Comment
  UCR142951  Stipa cernua L. C. Wheeler 1936-6-6 4116 Los Angeles Transverse Ranges; San Gabriel Mtns, E side of San Dimas Canyon near dam 457 Comment
  UCR157923  Stipa lepida Robert J. Steers 2005-5-8 6 Los Angeles South Coast, Palos Verdes Peninsula: on primarily south-facing hillside that is 200 ft west of Pirate Dr. along the north side of Forrestal Dr 183 Comment
  UCR24523  Stipa speciosa K. K. Muller 1972-5-2 3081 Los Angeles Edge of Mojave Desert at Red Rover Mine turn-off from State Hwy 14 between Los Angeles and Palmdale Comment
  UCR95174  Stipa speciosa L. C. Wheeler 1967-5-9 9402 Los Angeles San Gabriel Mtns., Gleason Canyon, south of Aliso Canyon 1006 Comment
  CAS-BOT-BC376003  Stylocline gnaphaloides Cecil Hart 1930-5-20 s.n. Los Angeles Montebello Comment
  UCR241087  Stylocline gnaphaloides Jeremiah George 2012-5-15 s.n. Los Angeles Western Transverse Range/San Gabriel Mtns., Santa Clarita, Bee Canyon just north of Soledad Canyon Road, SE of Hwy 14, west side of wash 537 Comment
  UCR265520  Stylocline gnaphaloides Dan S. Cooper 2015-3-18 315- 7 Los Angeles Los Angeles Basin/Western Transverse Range, Eastern Santa Monica Mtns/Hollywood Hills, at Hollywood Bowl 216 Comment
  SD75643  Suaeda californica var. taxifolia M. B. Dunkle 1939-4-7 7333 Los Angeles San Clemente Island; in a sandy flat area by a lagoon, Pyramid Cove. Comment
  LA204736  Suaeda taxifolia J. D. Sauer; 1971-8-15 4988 Los Angeles San Clemente Island, Wilson's Cove, near buildings Comment
  RSA233619  Suaeda taxifolia R. F. Thorne 1970-3-6 39405 Los Angeles Indian Rock in Emerald Bay, Santa Catalina Island. 15 Comment
  RSA3617  Suaeda taxifolia C. B. Wolf 1932-5-12 3576 Los Angeles Santa Catalina Island. Border of Catalina Harbor. 3 Comment
  RSA442106  Suaeda taxifolia F. R. Fosberg 1930-11-23 652 Los Angeles Portugese Bend. Comment
  SBBG13481  Suaeda taxifolia E. R. Blakley 1962-6-10 5249 Los Angeles large beach dunes near Triangulation Pt "Wall 2" 6 Comment
  JEPS87547  Symphoricarpos albus var. laevigatus Tim Ross and Walter Appleby 1993-5-20 7196 b Los Angeles between Wilson Canyon Saddle and Los Pinetos Spring (head of Los Pinetos Canyon, w San Gabriel Mtns); San Gabriel Mtns. Los Pinetos Canyon, San Fernando U.S.G.S.; [rhizomes and new growth] 914 Comment
  RSA590483  Symphoricarpos albus var. laevigatus T. S. Ross, Walter Appleby 1993-5-20 7196 -a Los Angeles Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. 915 Comment
  LA51407  Symphoricarpos mollis Henry J. Thompson; 1959-5-24 1990 Los Angeles Santa Monica Mountains, Tuna Canyon, 0.7 mi N of Coast Hwy 91 Comment
  OBI35704  Symphoricarpos mollis Rebecca Cicoria 1982-4-25 42 Los Angeles Palos Verdes Peninsula: Lower Purple Canyon, Rolling Hills Comment
  UCR172288  Symphoricarpos mollis Anuja Parikh, Nathan Gale 2005-6-7 2115 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, between Potrero and Salt Creek Canyons, south of Santa Clara River near the Ventura Co. line, study area 14 335 Comment
  CDA23158  Symphyotrichum subulatum var. squamatum Steve Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-12-8 11701 Los Angeles Transverse Ranges; Liebre Mountains region: southwestern shore of Quail Lake, extreme western end of Mojave Desert at North base of Liebre Mountains. Comment
  RSA704239  Syntrichopappus fremontii Gary D. Wallace 1982-4-17 1915 Los Angeles Mojave Desert: Fort Tejon Road S of Pearblossom, between 106th and Longview Road. Comment
  RSA630366  Syntrichopappus lemmonii L. C. Wheeler 1973-4-7 s.n. Los Angeles Kentucky Springs Canyon. 1220 Comment
  UCR209476  Tagetes palmeri R. G. Swinney 2008-6-24 9098 Los Angeles San Gabriel Mountains, mouth of Roberts Canyon, c. 100 m north of San Gabriel Canyon 213 Comment
  RSA389683  Tamarix parviflora M. Vincent 1963-3-29 316 Los Angeles San Fernando Valley; Balboa Blvd., 1 mile south of San Fernando Road Comment
  CATA98  Tamarix ramosissima Peter Henrikson 1987-4-23 74 Los Angeles Santa Catalina Island: Behind Ben Weston Beach 3 Comment
  CHSC98737  Tauschia arguta LeRoy Gross; Michael Honer, Leland Lubinsky 2000-4-27 188 Los Angeles San Rafael Hills: Ridge running west from lookout Tower, East of the (2) Glendale Freeway. North side, on rocky ridge, area burned in 1999. 518 Comment
  POM48097  Tauschia arguta I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM82682  Tauschia arguta Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  SD38878  Tauschia arguta Edith A. Purer 1931-3-18 Los Angeles Hillsides Griffith Park. Comment
  UC1183070  Tauschia arguta Huron H. Smith 1912-5-17 4964 Los Angeles Eaton's Canyon Mt. Wilson; , Eaton's Canyon 426 Comment
  RSA455493  Tauschia hartwegii Christopher Davidson 1973-4-6 1859 Los Angeles Tapia Park, Malibu Canyon. 244 Comment
  RSA550393  Tauschia parishii T. S. Ross 1992-7-10 6684