Search Results — 2000 specimen records retrieved (1561 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
  CAS-BOT-BC78038  Abies concolor Saichi Kawahara 1968-4-9 142 Los Angeles on Highway 2, 5 miles east of junction with Highway 39, Angeles National Forest 2148 Comment
  LA6355  Abies concolor Carl Epling; October 1925 sn Los Angeles San Gabriel Mountains, Camp Baldy 1066 Comment
  RSA597119  Abies concolor T. S. Ross, Peter W. Fritsch, S. D. Boyd, Orlando Mistretta 1990-6-22 3712 Los Angeles Pinyon Ridge: Eastern half of ridge, directly N of Fenner Canyon 1939 Comment
  UC792434  Abronia maritima Ira L. Wiggins 1949-2-22 11967 Los Angeles nw end of San Clemente Island San Clemente Island Comment
  CAS-BOT-BC229374  Abronia umbellata LeRoy Abrams 1902-6-9 2494 Los Angeles Playa del Rey Comment
  SBBG20635  Abronia umbellata K. A. Wilson 1961-3-12 1000 Los Angeles above tide line, Zuma Beach Comment
  RSA460975  Abronia umbellata E. S. Spalding 1931-7-31 s.n. Los Angeles Manhattan Beach. Comment
  UCR177134  Acacia longifolia Joseph M. Keefe 2001-1-19 30946 Los Angeles Transverse Ranges; Verdugo Mts region; San Rafael Hills, south by southeast face of The Eagle Rock, Eagle Rock District, Los Angeles 305 Comment
  RSA714630  Acacia saligna A. C. Sanders, D. Malueg 2001-5-17 24318 Los Angeles Montebello Hills in Montebello, 29 acre gas storage facility on Howard Ave. near W end of Jefferson Blvd., being decomissioned. 122 Comment
  RSA584858  Acer macrophyllum Tim S. Ross 1993-6-1 7364 Los Angeles W marvin of Chantry Flat near beginning of upper Winter Creek Trail. 707 Comment
  UC1594384  Achillea millefolium Tim Ross 1982-4-14 6188 Los Angeles ca 20-40 m ene intersection of new Lemon Tank Rd & main N-S island access r; San Clemente Island 339 Comment
  RSA594744  Achnatherum coronatum Timothy S. Ross 1995-4-7 8360 Los Angeles TEMPLIN HIGHWAY ca. 100-250 ft NE of its inter- section with the Old Ridge Route (near the headwaters of Violin Canyon). 866 Comment
  RSA6637  Achnatherum coronatum Fay A. MacFadden 1930-06 2355 Los Angeles Verdugo Mountains: La Tuna Canyon. 335 Comment
  RSA21250  Achnatherum hymenoides C. B. Wolf 1937-4-28 8521 Los Angeles 1.8 miles N of Palmdale 793 Comment
  RSA310128  Achnatherum parishii Wayne E. Sawyer 1981-6-29 75 Los Angeles San Gabriel Mountains, Angeles National Forest: CA Hwy. 2 between Dawson Saddle and junction of CA Hwy. 39, 1.6 mile from Dawson Saddle. 2317 Comment
  RSA772419  Achnatherum speciosum R. G. Swinney 2009-5-12 10732 Los Angeles Transverse Range, San Gabriel Mountains, Alimony Ridge, Junction of Alimony Ridge & Alimony Ridge Rd. and to 0.5 mi NW up ridge 1435 Comment
  SBBG62  Achnatherum speciosum R. Hoffmann 1925-5-17 Los Angeles Antelope Valley Comment
  SEINET11854799  Achyrachaena mollis M. E. Jones 1882-1 Los Angeles Pasadena Comment
  RSA0091096  Acmispon americanus R. G. Swinney 2011-6-29 15326 Los Angeles mouth of Monte Cristo Canyon, confluence with Mill Creek 1098 Comment
  SBBG67341  Acmispon americanus M. N. Ackley 1927-5-29 538 Los Angeles Mulholland Drive 281 Comment
  SD52907  Acmispon argophyllus var. argenteus Peter H. Raven 1962-4-11 17281 Los Angeles San Clemente Island, due west of Wall 2; on sandy beach 9 Comment
  UCR143301  Acmispon dendroideus var. dendroideus Glenn A. Gorelick 1978-5-26 s.n. Los Angeles Channel Islands, Santa Catalina Island, Catalina Harbor 76 Comment
  SBBG101159  Acmispon dendroideus var. traskiae T. Ross 1992-4-14 6158 Los Angeles just below the mouth of Nanny Cyn on ridge that separates Nanny Cyn drainage from the escarpment 99 Comment
  SD186202  Acmispon glaber var. brevialatus A. C. Sanders 2003-3-14 25752 Los Angeles Gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd. 519 Comment
  SD69557  Acmispon maritimus Robert F. Thorne 1966-4-28 36230 Los Angeles Santa Catalina Island, west-facing rocky bank near the upper end of Renton Mine Road in Pebbly Beach Canyon 259 Comment
  UCSB7387  Acourtia microcephala Wedberg, H. 1958-7-15 Los Angeles On Mulholland Hwy. between Topanga Can. and Bervely Glen; Santa Monica Mtns. Comment
  CAS-BOT-BC29722  Acroptilon repens Louis C. Wheeler 1973-6-14 s.n. Los Angeles NE corner of campus at California State University, Long Beach Comment
  LA207861  Adenostoma fasciculatum Carl Epling; May 1925 sn Los Angeles Mint Canon Comment
  RSA390572  Adenostoma fasciculatum Howard Mullins 1931-4-19 s.n. Los Angeles Hillside chaparral, Flintridge Comment
  RSA657350  Adenostoma fasciculatum J. Stephens 1980-6-1 33 Los Angeles Verdugo Mountains Region: At foot of chaparral covered hillside, northeast of Maurice Ave., La Crescenta. 747 Comment
  RSA390574  Adenostoma fasciculatum var. fasciculatum M. B. Dunkle 1933-6-17 3588 Los Angeles San Antonio River Canyon 915 Comment
  SBBG13673  Adenostoma fasciculatum var. fasciculatum P. H. Raven 1962-5-22 17839 Los Angeles Middle Ranch 213 Comment
  RSA535554  Adenostoma sparsifolium Tim S. Ross 1991-9-2 5928 Los Angeles Near Mulholland Highway x Yerba Buena Road. 488 Comment
  RSA5799  Adenostoma sparsifolium B. D. Stark 1932-11-20 4421 Los Angeles Lobo Canyon, Santa Monica Mountains 274 Comment
  RSA729784  Adiantum capillus-veneris R. G. Swinney 1998-8-10 6724 Los Angeles San Gabriel Mtns.: Cattle Canyon, west of (downstream from) Thompson Flat. 671 Comment
  UCR261528  Adiantum capillus-veneris Joseph Cahill 2010-12-22 1210- 09 Los Angeles Western Transverse Range; Santa Monica Mountains, Solstice Canyon, c. 1 mile from Pacific Coast Highway, near base of Solstice Canyon falls 73 Comment
  POM246612  Adiantum capillus-veneris F. R. Fosberg 1931-7-13 R 112 Los Angeles Hamilton Canyon near Avalon, Santa Catalina Island 60 Comment
  RSA522930  Adiantum capillus-veneris T. S. Ross, Orlando Mistretta 1990-10-24 3291 Los Angeles San Gabriel Mountains: Cape Horn Management Area, Angeles National Forest. Shaded seepage in lower Cape Horn Canyon 549 Comment
  RSA527756  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4323 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR117118  Aeonium A. C. Sanders, D. Malueg 2001-5-17 24347 Los Angeles Los Angeles Basin, Montebello Hills in Montebello, 11 acre gas company property at SW corner of Jefferson Blvd. and Montebello Blvd., being decommissioned 122 Comment
  RSA652212  Aesculus californica C. J. Humphrey 1936-6-5 205 Los Angeles Los Angeles. Comment
  CDA6738  Ageratina adenophora L. C. Wheeler 1959-4-26 7531 Los Angeles At next canyon upstream from Coon Canyon, Arroyo Seco. 0 Comment
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Apr 9 2009
  SBBG66204  Agoseris grandiflora R. Hoffmann 1927-6-14 Los Angeles Elizabeth Lake Comment
  RSA579320  Agoseris retrorsa Timothy S. Ross 1994-5-31 7975 Los Angeles W slope, ca 860 m WSW of the 7124-ft summit 2072 Comment
  SBBG121829  Agoseris retrorsa A. Parikh, N. Gale 2005-6-15 781 Los Angeles Portal Ridge, 0.8 km N of intersection of N2 and Johnson Rd, 1.6 km ESE of intersection of N2 and Munz Ranch Rd 1075 Comment
  SEINET13203283 Image available Agoseris retrorsa R. G. Swinney 2011-1 14759 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), 0.6 mile SSE of jct. of Colby Ranch Rd. and FS Rd. 3N19, upper Big Tujunga Cyn., between Colby Ranch Rd. and Coldwater Cyn. stream, below abandoned "Milley's Apple Orchard" (Chilao Flat 7.5' Q.) (T3N R12W S35) 911 Comment
  RSA229174  Agrostis exarata R. F. Thorne, C. W. Tilforth 1971-6-29 40718 Los Angeles San Gabriel Mountains, Angeles National Forest: Aliso Creek at Tie Canyon where crossed by Angeles Forest Road. 1372 Comment
  RSA607826  Agrostis exarata L. C. Wheeler 1947-6-8 6515 Los Angeles San Gabriel Mountains: Millard Canyon. Comment
  UCR43943  Agrostis viridis B. A. Prigge 1986-3-29 7164 Los Angeles Mojave Desert, Little Rock Creek, just above Calif. Hwy 138 884 Comment
  SFV18291  Alcea rosea J. N. Hogue 2002-5-5 s. n. Los Angeles Los Angeles Basin Los Angeles, Eagle Rock. Roadside on Loleta Ave., south of Colorado Blvd. 200 Comment
  RSA367099  Allium haematochiton T. S. Clare 1929-3-17 s.n. Los Angeles Topanga Canyon. Comment
  RSA606186  Allium haematochiton Carl Epling 1931-4-25 s.n. Los Angeles Santa Monica Mountains, Los Alisos Canyon. Comment
  UCR108205  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  RSA587202  Allium monticola Orlando Mistretta, Mark Elvin 1995-5-10 1687 B Los Angeles San Gabriel Mountains: Bare Mountain Canyon. Head of W. Fork. 1768 Comment
  RSA680109  Allium monticola LeRoy Gross, Michael Denslow 2003-6-4 989 Los Angeles Trail from Islip Saddle to South Fork Big Rock Creek. 0.5 to 0.7 mile down trail from the Saddle, before Reed Spring. 1921 Comment
  RSA308938  Allium peninsulare var. peninsulare Samuel R. Tyson 1944-6-20 691 Los Angeles from west end of 4100 down to Saddle of road. San Dimas Experimental Forest Comment
  RSA596086  Allophyllum divaricatum T. S. Ross, S. D. Boyd 1995-6-28 8642 Los Angeles Liebre Mountains: Lower Red Fox Canyon near its confluence with Elizabeth Lake Canyon. 707 Comment
  RSA410088  Allophyllum glutinosum H. L. Bauer 1932-6-1 s.n. Los Angeles Santa Monica Mountains. Near Saddle Peak. Comment
  RSA733747  Allophyllum glutinosum R. G. Swinney 2000-5-20 7690 Los Angeles NE of Azusa, 0.8 mi. north of San Gabriel Dam, ridge east of Polecat Gulch north of Hwy 39. 2000 Comment
  POM74741  Allophyllum glutinosum H. E. Hasse 1890-05 s.n. Los Angeles Hills and plains. Comment
  CAS-BOT-BC170977  Alnus rhombifolia Fordyce Grinnell 1903-12-22 29 Los Angeles Arroyo Seco Canon [canyon], near Pasadena Comment
  CAS-BOT-BC170978  Alnus rhombifolia Fordyce Grinnell, Jr. 1916-9-2 s.n. Los Angeles near Pasadena, San Gabriel Mts. Comment
  RSA452785  Alnus rhombifolia Anstruther Davidson 1891-06 s.n. Los Angeles Millards Canyon Comment
  RSA591458  Alnus rhombifolia L. C. Wheeler 1966-10-12 8978 Los Angeles San Gabriel Mountains. East fork, San Gabriel Canyon, 1/4 mi. upstream from Heaton Flat. 610 Comment
  UCR270653  Alnus rhombifolia R. G. Swinney 2011-11-1 15941 Los Angeles San Gabriel Mountains, confluence of West Fork San Gabriel River and Glen Canyon, at Glen Cyn. Campground & to 200 m up Glen Cyn. 671 Comment
  RSA786330  Amaranthus blitoides K. Dobry 1991-6-27 783 Los Angeles Santa Monica Mts. 1 mi E. of Las Virgenes Rd off Mulholland Hwy. at Soka Univ. NE section. Comment
  CDA3241  Amaranthus blitum Tom Yutani 1989-4-17 Los Angeles Rosecrans Avenue and Beach Blvd. (Hwy 39), La Mirada . 0 Comment
  LA31570  Amaranthus deflexus Peter H. Raven; Henry J. Thompson 1958-9-19 13717 Los Angeles Santa Monica Mountains, Zuma Beach, 0.2 mi E of turnoff to Zuma Beach. Road borders United States Highway 101 45 Comment
  RSA402989  Amaranthus powellii E. S. Spalding 1922-11-26 s.n. Los Angeles Near Glendale. Comment
  CAS-BOT-BC13489  Amblyopappus pusillus Steven A. Junak 1997-4-22 857 Los Angeles San Clemente Island, W side of island, on terrace just N of Waynuk Canyon 243 Comment
  UCR258563  Ambrosia acanthicarpa R. G. Swinney 2010-5-29 13009 Los Angeles San Gabriel Mountains, May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar 939 Comment
  UCD128776  Ambrosia chamissonis I. Johnston 1917-6-10 1317 Los Angeles Playa del Rey. Comment
  CAS-BOT-BC45002  Ambrosia confertiflora Louis C. Wheeler 1933-11-24 2276 Los Angeles Arcadia 152 Comment
  JEPS30667  Ambrosia psilostachya Peter H. Raven and Henry J. Thompson 1959-9-18 14430 Los Angeles west, Santa Monica Boulevard near Beverly Glen Boulevard Los Angeles; Santa Monica Mountains 76 Comment
  POM158109  Ambrosia psilostachya L. R. Abrams 1902-8-18 2957 Los Angeles Ballona Creek, near Mesmer Comment
  SFV12555  Ammannia coccinea M. H. Grayum 1977-11-24 882 Los Angeles San Fernando Valley Sepulveda Basin. Field just northwest of junction of Burbank Blvd. and San Diego Freeway. 210 Comment
  SEINET5325765  Amorpha californica G. B. Grant 1904-5-19 39 Los Angeles Mt. Wilson, So. Cal. Comment
  UC80626  Amorpha californica var. californica Ernest Braunton June 1902 424 Los Angeles Elysian Park Comment
  UCR142547  Amsinckia intermedia Reid Moran 1941-2-16 569 Los Angeles Channel Islands, Middle Ranch, Santa Catalina Island 500 Comment
  RSA499942  Amsinckia intermedia M. B. Dunkle 1931-4-22 2441 Los Angeles Santa Catalina Island. Summit roadside. Comment
  RSA499944  Amsinckia intermedia M. B. Dunkle 1939-4-4 7263 Los Angeles San Clemente Island, Chenetti Canyon. Comment
  RSA702488  Amsinckia menziesii Scott D. White 2004-5-5 10303 Los Angeles Bald Mtn. area, west of Old Ridge Route. 1280 Comment
  RSA0089956  Amsinckia retrorsa L. C. Wheeler 1934-3-31 2495 Los Angeles La Verne. 305 Comment
  RSA0012036  Amsinckia tessellata A. C. Sanders 2006-4-11 32046 Los Angeles Antelope Valley, NE of Palmdale, 90th St. East in vicinity of Ave. O . 793 Comment
  RSA517998  Amsinckia tessellata Steve Boyd, Orlando Mistretta 1986-3-31 1523 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA0091450  Amsinckia tessellata var. tessellata Gary Kovnat, LeRoy Gross 2003-2-16 18 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. 683 Comment
  SD181673  Amsinckia tessellata var. tessellata Louis C. Wheeler 1973-4-20 Los Angeles San Gabriel Mountains: Alliso Canyon ca. 0.5 mile east of Blum Ranch. 945 Comment
  SBBG58480  Anagallis arvensis M. N. Ackley -Apr-1928 795 Los Angeles Eagle Rock 182 Comment
  LA35601  Anagallis arvensis A. K. Khudairi; 1951-4-21 Los Angeles Westwood, UCLA campus. Faculty Hill Comment
  RSA0038444  Anagallis arvensis Carol Haines, Elwood Fordham 1951-4-7 s.n. Los Angeles Point Dume, on Beach Road from Dume to Zuma Beach. Comment
  RSA592292  Anagallis arvensis Louis C. Wheeler 1967-5-13 9539 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  SBBG63205  Ancistrocarphus filagineus R. Hoffmann 1930-6-6 Los Angeles Alamo Crk Comment
  UCR183571  Ancistrocarphus filagineus A. C. Sanders, T. B. Salvato, Michael Honer 2007-4-25 33531 Los Angeles Western Transverse Range; Liebre Mtns. Region, south of hwy 138 just east of mouth of Horse Camp Canyon, c. 1 mile ENE of La Liebre Ranch 976 Comment
  RSA503860  Anemopsis californica M. B. Dunkle 1928-5-12 1926 Los Angeles Santa Catalina Island, Empire Landing. Comment
  UC1122901  Angelica tomentosa Jerome S. Horton 1936-8-12 375 Los Angeles San Dimas Experimental Forest, Brown's Flat Brown's Flat; San Dimas Experimental Forest, Brown's Flat 1310 Comment
  RSA598577  Angelica tomentosa L. C. Wheeler 1968-6-16 s.n. Los Angeles San Gabriel Mountains. Divide between Cucamonga Canyon and Stoddard Canyon. 1066 Comment
  POM11579  Anisocoma acaulis Philip A. Munz 1921-6-18 4583 Los Angeles San Antonio Mountains, head of Swartout Valley. 2072 Comment
  UCD97909  Anredera cordifolia Peter Shamble 1964-12-18 s.n. Los Angeles Excel Lawn Service, 3440 N. Magnum St., Baldwin Park. Comment
  RSA0091497  Antirrhinum coulterianum R. G. Swinney 2010-6-29 13372 B Los Angeles Hansen Food Control Basin, confluence of Big Tujunga Wash/stream with Hansen Lake. 308 Comment
  UCR88516  Antirrhinum coulterianum Scott D. White, Chet McGaugh 1995-5-16 3075 Los Angeles Transverse Range; eastern Santa Susana Mtns, just west of San Gabriel mountains. 'Sunshine Canyon' (name not on topo), west of San Fernando Rd and Hwy I-5, just SW of interchange with Calif. Rte 14 Fwy 488 Comment
  POM99735  Antirrhinum coulterianum F. W. Peirson 188 Los Angeles Foothills east of Rubio C. San Gabriel Mts. Comment
  RSA725420  Antirrhinum kelloggii K. Dobry 1992-10-25 d- 1115 Los Angeles Santa Monica Mts. in the City of Westlake at So. end of Las Virgenes Reservoir at So. end of Lindero Cyn. Comment
  POM354864  Antirrhinum multiflorum H. L. Bauer 1932-4-1 15396 Los Angeles Near Topanga. Santa Monica Mountains. Comment
  UC1012243  Antirrhinum multiflorum Francis W. Pennell 1940-6-26 26003 Los Angeles Mount Wilson 1676 Comment
  UCR277030  Antirrhinum multiflorum R. G. Swinney 2010-5-25 12912 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  CAS-BOT-BC176323  Aphanisma blitoides B. Catey 1930-4-1 s.n. Los Angeles Palo Verde Hills Comment
  SD115060  Aphyllon californicum subsp. feudgei W. P. Armstrong 1983-8-1 1157 Los Angeles San Gabriel Mountains; Blue Ridge Road near turnoff to Guffy Campground. 2377 Comment
  UC1611551  Apiastrum angustifolium Tim Ross 1993-4-21 6863 Los Angeles in vicinity of Cactus Peak (sw part of Santa Catalina Island, n of Cactus Peak summit, toward Bullrush Canyon drainage); Santa Catalina Island 384 Comment
  UC874550  Apiastrum angustifolium F. R. Fosberg 1931-4-4 S 4489 Los Angeles Santa Catalina Island, Cherry Canyon Cherry Canyon; Santa Catalina Island, Cherry Canyon 60 Comment
  CLARK-A1528-1423  Apium leptophyllum John C. Roos, Alfred R. Roos 1958-5-16 Los Angeles Los Angeles Comment
  RSA167821  Aptenia cordifolia R. F. Thorne, P. C. Everett 1964-2-7 33454 Los Angeles Weed at lower end of Pebbly Beach Canyon at base of building, E end of Santa Catalina Island. 76 Comment
  RSA634224  Aquilegia formosa Robert F. Thorne, M. Z. Thorne 1969-7-10 38364 Los Angeles San Gabriel Mts., Angeles National Forest: Upper end of Vincent's Gulch just below parking lot at Vincent's Gap 1997 Comment
  RSA0128827  Arabis sparsiflora R. G. Swinney 1998-4-13 5959 Los Angeles Marshall and Live Oak Canyon drainages, La Verne 549 Comment
  SEINET10630595  Arachis hypogaea Heidi H. Schmidt 1999-10-10 Schmidt 3915 Los Angeles City of Santa Monica. Wild Oats Community Market: 500 Wilshire Blvd.: Santa Monica, CA: 90401: (310) 395-4510 - phone. 50 Comment
  UCR258521  Aralia californica R. G. Swinney 2010-8-9 13477 Los Angeles San Gabriel Mountains, Big Santa Anita Canyon, Camp Sturtevant 1049 Comment
  CAS-BOT-BC23852  Arctostaphylos catalinae Brandegee 1889-5-1 24 Los Angeles Santa Catalina Island Comment
  NY43793  Arctostaphylos catalinae J. B. Walker 1995-12-3 1808 Los Angeles Santa Catalina Island, 4km N of Avalon, along Airport Rd 100 Comment
  RSA3563  Arctostaphylos catalinae C. B. Wolf 1932-5-13 3626 Los Angeles Santa Catalina Island. Hillside south of largest Reservoir, 3.5 mi. (by road) from Avalon on way to Isthmus 365 Comment
  RSA626723  Arctostaphylos glandulosa Jon E. Keeley 22065 Los Angeles Dirt road between Chilao and Mill Creek Summit, ca. 100 m north on road to Pacifico Mountain. 2000 Comment
  RSA626737  Arctostaphylos glandulosa Jon E. Keeley 1978-9-4 7230 Los Angeles Mt. Gleason (Arcto study site). 2000 Comment
  RSA626761  Arctostaphylos glandulosa subsp. mollis Jon E. Keeley 1993-11-15 25172 Los Angeles Shortcut Rd., and Angeles Crest Hwy., San Gabriel Mountains 1200 Comment
  CAS-BOT-BC39349  Arctostaphylos glauca John Thomas Howell 1928-2-11 3343 Los Angeles On trail between Haines Canyon and Mt. Lukens, San Gabriel Mts. Comment
  RSA0092470  Arctostaphylos glauca R. G. Swinney 2011-10-27 15912 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream. 649 Comment
  RSA316528  Arctostaphylos glauca Marcus E. Jones 1926-2-24 s.n Los Angeles Mountains near Claremont. Comment
  RSA631427  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-8-20 20503 Los Angeles Chilao Campground. 1600 Comment
  RSA631433  Arctostaphylos glauca Jon E. Keeley, Allen Massihi 1992-6-18 15610 Los Angeles Mill Creek Summit, Angeles Forest Highway. 1460 Comment
  RSA631455  Arctostaphylos glauca Allen Massihi, Jon E. Keeley 1992-7-9 16037 Los Angeles Ridge Route, 12 km south of Liebre Gulch turnoff. 950 Comment
  JEPS29394  Arctostaphylos parryana H. A. Jensen 1933-5-9 296 Los Angeles South Fork Rock Creek San Gabriel Mts. 1920 Comment
  RSA634817  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20232 Los Angeles Mill Creek Summit, East of Angeles Forest Highway. 1470 Comment
  RSA634880  Arctostaphylos parryana subsp. tumescens Jon E. Keeley, Allen Massihi 1992-8-20 20464 Los Angeles Road to Sulphur Springs Campground, 5.7 km north of Angeles Crest Hwy, North of Chilao Campground. San Gabriel Mtns. 1700 Comment
  RSA635232  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20666 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA635234  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20669 Los Angeles Angeles Crest Hwy., Dawson Saddle. San Gabriel Mtns. 2410 Comment
  RSA635260  Arctostaphylos patula Jon E. Keeley, Allen Massihi 1992-8-21 20650 Los Angeles Angeles Crest Hwy., Cloudburst Summit, San Gabriel Mtns. 2100 Comment
  RSA593428  Arenaria macradenia var. arcuifolia Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8895 Los Angeles Liebre Mountains, north slope of Sawmill Mountain, along 7N08 ca. 2.2 miles north of the junction with 7N23. 1463 Comment
  SEINET3237840 Image available Arenaria nuttallii subsp. gracilis R. G. Swinney 1999-8-9 7607 Los Angeles San Gabriel Mtns.; east end of Big Horn Ridge, c. 0.5 mi SW of West Baldy peak of Mt. San Antonio. 2805 Comment
  CAS-BOT-BC137669  Aristida adscensionis L. R. Abrams; I. L. Wiggins 1931-7-6 364 Los Angeles San Clemente Island. Vicinity of Mosquito Harbor. Comment
  IRVC8955  Artemisia californica P. W. Rundel 1965-2-6 1515 Los Angeles Palmer Canyon; just north of Padua Hills, west slope. San Gabriel Mountains 610 Comment
  POM246544  Artemisia californica F. R. Fosberg 1931-12-10 7157 Los Angeles Avalon, Public Utilities Canyon. Santa Catalina Island. 50 Comment
  LA200154  Artemisia californica Jonathan Sauer; D. Bradbury, A. Lang 1969-9-25 4613 Los Angeles Santa Monica Mountains, Sequit Point 7 Comment
  CAS-BOT-BC167092  Artemisia douglasiana A. C. Sanders; Mark A. Elvin 2002-8-26 25590 Los Angeles Northeastern Santa Susana Mtns./Santa Clara River Watershed: Newhall Ranch, small spring at south edge of Santa Clara River Valley, SE of trailer park at Castaic Creek, downstream of large spring near Airport Mesa 305 Comment
  LA200161  Artemisia douglasiana T. A. Geissman; 1966-10-15 TAG 101566 ADM Los Angeles SANTA MONICA MOUNTAINS, Mandeville Canyon 137 Comment
  UCR210335  Artemisia douglasiana R. G. Swinney 2008-11-29 9858 Los Angeles San Gabriel Mtns., mouth of San Gabriel River Canyon, spring 1.5 mi. north of Sierra Madre Ave. on Hwy 39 256 Comment
  RSA594791  Artemisia dracunculus Steve Boyd, Lauren Raz 1996-10-29 9104 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  SD85090  Artemisia nesiotica Michael R. Benedict 25-27 Jun 1971 Los Angeles San Clemente Island; skeet range 1 mile south of Wilson Cove. 60 Comment
  UC53920  Artemisia tridentata Ernest Braunton 1903-10-1 907 Los Angeles Glendale to Burbank Comment
  CAS-BOT-BC97271  Artemisia tridentata subsp. parishii Dr. A. Davidson 1892-7-1 s.n. Los Angeles Lancaster, Mojave Desert Comment
  SD112802  Artemisia tridentata subsp. parishii Darley F. Howe 1957-11-24 2589 Los Angeles 1/2 mole east of Newhall on Placerita Canyon Road Comment
  IRVC26361  Asclepias californica A. C. Sanders, Mark A. Elvin, et al. 2003-4-16 26046 Los Angeles Newhall Ranch, west of the end of Magic Mountain Parkway, south of Magic Mtn. theme park NE end of Santa Susana Mtns. 366 Comment
  SEINET3884854  Asphodelus fistulosus Tim Ross, Elizabeth Kellogg 1992-4-13 6137 Los Angeles San Clemente Island: North head of the island.; 0 43 Comment
  UCR190880  Aster greatae R. G. Swinney 1999-7-14 7551 Los Angeles San Gabriel Mtns., Laurel Gulch, an eastern tributary of East Fork San Gabriel River Canyon 854 Comment
  SEINET2060403 Image available Astragalus Norman C. Cooper 1948-4-21 2670 Los Angeles Littlerock, Los Angeles County 762 Comment
  RSA714887  Astragalus didymocarpus A. C. Sanders, Mark A. Elvin 2003-4-14 25970 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  UCR126875  Astragalus didymocarpus A. C. Sanders 2003-4-29 26176 Los Angeles Western San Gabriel Mtns., Castaic Mesa, Newhall Ranch, north of Charlie Canyon and east Lake Hughes Rd. 457 Comment
  CAS-BOT-BC182301  Astragalus didymocarpus var. didymocarpus H. L. Mason 1926-4-26 2963 Los Angeles Four miles west of Saugus Comment
  CAS-BOT-BC182299  Astragalus didymocarpus var. didymocarpus Lois E. James 1946-4-25 1747 Los Angeles Along the railroad tracks at Acton, Soledad Canyon Comment
  UCD104750  Astragalus douglasii Ernest C. Twisselmann 1959-6-2 s.n. Los Angeles Old Ridge Route, 7.7 miles south of Liebre Mountain Road. 1036 Comment
  UC52254  Astragalus douglasii var. douglasii Pupils of Los Angeles High School April 1903 Los Angeles Claremont Comment
  JEPS54731  Astragalus lentiginosus var. antonius Frank W. Peirson 1922-7-7 3194 Los Angeles Ranger's Cabin Swartout Valley (San Gabriel Mountains); , Swartout Valley 1798 Comment
  SD46411  Astragalus lentiginosus var. variabilis P. C. Everett, E. K. Balls 1956-5-9 21564 Los Angeles 6.0 miles south of Lancaster, Highway 6. 760 Comment
  CAS-BOT-BC187572  Astragalus miguelensis Peter H. Raven 1962-7-11 18012 Los Angeles San Clemente Island. Wilson Cove 60 Comment
  SEINET893400  Astragalus tribuloides J. E. Deisler 1984-1 651 Los Angeles Santa Catalina Island; Little Harbor; roadside. 0 Comment
  RSA3490  Astragalus trichopodus C. B. Wolf 1932-5-9 s.n Los Angeles Santa Catalina Island, 0.5 mile from Avalon on road to Pebbly Beach. 8 Comment
  UC82697  Astragalus trichopodus Blanche Trask June 1901 Los Angeles Santa Catalina Isl Comment
  RSA3737  Astragalus trichopodus var. lonchus C. B. Wolf 1932-5-10 3528 Los Angeles At summit of Equestrian Trail back of Avalon, Santa Catalina Island. 305 Comment
  SD85134  Astragalus trichopodus var. lonchus E. R. Blakley 1963-4-10 5572 Los Angeles Santa Catalina Island, south slope, NE side of Blackjack Mountain 395 Comment
  CAS-BOT-BC194048  Astragalus trichopodus var. lonchus Reid Moran 1941-2-23 604 Los Angeles Northwest of Wilson's Harbor, South Catalina Island Comment
  UC454085  Astragalus trichopodus var. lonchus I. J. Condit 1908-6-27 Los Angeles Catalina Comment
  UC1871182  Astragalus trichopodus var. phoxus T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4943 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  JEPS53236  Athysanus pusillus Frank W. Peirson 1919-4-5 60 a Los Angeles Sierra Madre Trail to Mount Wilson; San Gabriel Mountains 762 Comment
  LA211269  Atriplex amnicola Arthur C. Gibson; 2003-8-28 4886 Los Angeles SANTA MONICA MOUNTAINS, Malibu Beach State Park, along nature trail. Comment
  SBBG114309  Atriplex argentea var. expansa M. R. Benedict 1971-6-26 Los Angeles Northwest Harbor Comment
  SBBG13701  Atriplex argentea var. expansa P. H. Raven 1962-7-10 17964 Los Angeles summit of island above Wilson Cove 137 Comment
  SBBG65362  Atriplex argentea var. expansa R. Hoffmann 1927-6-14 Los Angeles Neenach Comment
  RSA452397  Atriplex californica Robert Gustafson 1981-4-14 2175 Los Angeles Ballona Wetlands, Area 1 Comment
  HSC35982  Atriplex canescens Thomas W. Nelson, Jane Nelson, James Nelson 1975-8-19 2180 Los Angeles Beside Hwy. 5, W of junction with Hwy. 138 915 Comment
  UCR145160  Atriplex canescens subsp. canescens June Latting 1976-10-6 s.n. Los Angeles San Gabriel Mountains foothills/Mojave Desert, Bob's Gap and Valyermo Road 1250 Comment
  OBI71108  Atriplex confertifolia Larry Kelly, David J. Keil 1988-4-16 45 Los Angeles Antelope Valley, Ca. 2 mi W of hwy 14 along hwy 138. Comment
  UCR123630  Atriplex lentiformis A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25485 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, mouth of Potrero Canyon just above gate at edge of Santa Clara River Valley 300 Comment
  SD40188  Atriplex nummularia Edith A. Purer 1935-5-11 6586 Los Angeles Coastal bluffs at Playa del Rey. Comment
  CAS-BOT-BC27903  Atriplex parishii Samuel Bonsal Parish; William Fletcher Parish 1881-10-1 1119 Los Angeles Costa Station Comment
  POM50602A  Atriplex parryi Eugene Wells 1909-11-27 s.n. Los Angeles Lancaster Comment
  RSA478383  Atriplex rosea F. R. Fosberg 1930-7-7 S- 3156 -a Los Angeles Alamitos Bay 2 Comment
  RSA478348  Atriplex subspicata Wm. Martin 1971-8-25 s.n. Los Angeles Point Dume Comment
  CAS-BOT-BC146035  Avena barbata Grant 1954-2-9 5354 Los Angeles Pasadena. Comment
  RSA582050  Avena barbata L. C. Wheeler 1934-4-15 2516 Los Angeles San Gabriel Mountains: Liveoak Canyon. 488 Comment
  CAS-BOT-BC145906  Avena fatua Le Roy Abrams 1899-4-1 262 Los Angeles Inglewood. Comment
  SBBG12178  Avena fatua P. H. Raven 1962-4-9 17133 Los Angeles near barracks, Wilson Cove 60 Comment
  SD215341  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mountains Region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of Antelope Valley, south of Fairmount Reservoir. 975 Comment
  SJSU11715  Baccharis glutinosa J. W. Tilden 1959-3-22 1343 Los Angeles San Antonio Wash near Camp Baldy, San Gabriel Mts Comment
  RSA0008310  Baccharis malibuensis Jon E. Keeley 1993-6-24 22826 Los Angeles Glen behind greenhouse at Soka University off La Virgenes Rd. 300 Comment
  POM350393  Baccharis pilularis M. B. Dunkle 1928-11-25 2033 Los Angeles Hamilton Canyon, Santa Catalina Island. Comment
  POM257558  Baccharis salicifolia C. B. Wolf 1932-5-10 3508 Los Angeles Santa Catalina Island. Avalon Canyon, above the last almond orchard. 122 Comment
  POM293912  Baccharis salicifolia Lyman Benson 1946-11-21 12250 Los Angeles Divide between Little Dalton canyon and San Gabriel River 610 Comment
  POM350349  Baccharis salicifolia F. R. Fosberg 1931-5-7 4829 Los Angeles Cottonwood Canyon, Santa Catalina Island 200 Comment
  RSA0110758  Baccharis salicifolia R. G. Swinney 2011-10-25 15856 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek. 1001 Comment
  SBBG31397  Baccharis salicifolia R. F. Thorne 1966-4-5 35836 Los Angeles Cottonwood Cyn 106 Comment
  JEPS30631  Baccharis salicifolia subsp. salicifolia Peter H. Raven 1959-2-15 13792 Los Angeles 2.3 mi s of Mullholland Drive (Franklin Canyon, Santa Monica Mountains); Santa Monica Mountains, Franklin Canyon 289 Comment
  UC1483353  Baccharis salicifolia subsp. salicifolia Robert F. Thorne and D. Propst 1974-9-12 45097 Los Angeles Thompson Reservoir Santa Catalina Island 213 Comment
  HSC79561  Baccharis salicina James Henrickson Jan 1973 8113 Los Angeles Santa Catalina Island, 2 mi. WNW of Avalon, in Haypress area Comment
  RSA599148  Baccharis sergiloides L. C. Wheeler 1966-11-26 9159 Los Angeles San Gabriel Mountains. West Fork Red Box Road ca. 1/2 mi. west of Newcomb Pass Trail. 1066 Comment
  CDA10479  Balsamorhiza deltoidea F. Blanc 1958-4-29 6 Los Angeles Junction Highway, 1384 Quail Lake Road, near Gorham. 0 Comment
  HSC24485  Barbarea orthoceras R. F. Thorne, M. Z. Thorne 1969-7-9 38565 Los Angeles San Gabriel Mtns., Angeles National Forest, upper part of meadow at Big Pines 2088 Comment
  UCR182737  Barbarea orthoceras R. G. Swinney 1997-6-19 5627 Los Angeles San Gabriel Mtns., Jackson Lake, west of Wrightwood 1872 Comment
  RSA85318  Berberis nevinii F. W. Peirson 1920-3-28 646 Los Angeles About halfway between Devil's Gate and the mountains, Arroyo Seco, west of Altadena 335 Comment
  SFV1328  Berberis pinnata M. L. Vincent 1962-4-6 160 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 2 miles west of New Topanga Road. Rocky hillside. Comment
  IRVC29017  Berula erecta A. C. Sanders, Mark Elvin 2002-6-25 25294 Los Angeles Newhall Ranch, Santa Clara River bottom, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 274 Comment
  UC1605255  Berula erecta Timothy S. Ross, Steve Boyd and Steve Burns 1994-7-6 8089 Los Angeles confluence of San Francisquito Canyon and two triutaries draining off of Red Mountain (Liebre Mountains, s end of Cottonwood Swamp dissected by San Francisquito Road); Liebre Mountains, Cottonwood Swamp 510 Comment
  RSA423230  Beta vulgaris Robert Gustafson 1980-7-9 1816 Los Angeles Ballona Wetlands, Area 3. Comment
  UCD129558  Bidens pilosa Collector Unknown 1923-3-18 305 Los Angeles Eaton Canyon. Comment
  RSA708602  Bloomeria crocea Valerie L. Soza, LeRoy Gross 2001-5-9 1204 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  UCR264081  Boechera pulchra Michael Honer 2006-4-25 2229 Los Angeles Tehachapi Mountains area, slopes north of Oso Canyon: ridge along powerlines running SW c. 3/4 mi. from cement plant road 1128 Comment
  LA204237  Boechera pulchra O. A. Plunkett; 1926-4-13 sn Los Angeles San Gabriel Mountains, Devil's Punch Bowl, Little Rock Comment
  RSA0099411  Boechera repanda R. G. Swinney 2011-8-5 15591 Los Angeles San Gabriel Mountains: summit of Mount Hawkins, high point of Copter Ridge, 0.6 miles SSE of Hwy. 2/Angeles Crest Hwy. 2698 Comment
  UCR205190  Boechera xylopoda R. G. Swinney 2008-5-2 8731 Los Angeles San Gabriel Mtns., Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  RSA640162  Boschniakia strobilacea Louis C. Wheeler 1968-8-7 s.n. Los Angeles San Gabriel Mountains: Devils Canyon near Bear Creek Divide. 1707 Comment
  RSA729782  Boschniakia strobilacea R. G. Swinney 1999-8-9 7602 Los Angeles San Gabriel Mtns.: Big Horne Ridge, c. 1.5 mi SW of West Baldy peak of Mt. San Antonio 2317 Comment
  RSA129302  Bothriochloa barbinodis Jerome S. Horton 1937-12-29 502 Los Angeles Dalton Canyon C.C.C. Camp. Comment
  UCR9240  Boykinia rotundifolia D. H. Wilken 1965-7-26 406 Los Angeles San Gabriel River, North Fork San Gabriel River about 1 mi. north of West Fork confluence 762 Comment
  UCR281595  Brassica geniculata R. G. Swinney 2014-6-5 16699 Los Angeles San Gabriel Mountains, Glendora, ridgetop due north of Grand Ave., 0.32 mile south of Glendora Ridge Motorway 561 Comment
  IRVC26195  Brassica nigra A. C. Sanders 2003-6-19 26976 Los Angeles hills west of San Martinez Grande Canyon, north of Hwy 126, Newhall Ranch Western Transverse Range/Santa Clara River Watershed 366 Comment
  RSA0042799  Brassica nigra Elwood Fordham 1951-3-15 s.n. Los Angeles Topanga, Max Silvernale's. 274 Comment
  LA210055  Brassica rapa John O'Leary; 1950-7-6 Los Angeles Santa Monica Mountains, UCLA campus 121 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
  RSA151173  Brickellia nevinii Peter H. Raven 1961-9-24 16757 Los Angeles Sand Creek 1 mile north of summit above Pacoima Canyon 731 Comment
  SEINET10570618  Brodiaea capitata Clokey CLOKEY 4440 Los Angeles Dry soil. Mandeville Canyon, Santa Monica Mountains. 425 Comment
  LA210419  Bromus arizonicus A. M. Johnson; 1937-10-21 68 Los Angeles SANTA MONICA MOUNTAINS, Frat Row. Gayley Ave, near UCLA campus. Comment
  LA18863  Bromus berteroanus Carl Epling; 1931-1 sn Los Angeles SANTA MONICA MOUNTAINS, Los Alisos Canyon Comment
  RSA385299  Bromus carinatus Anonymous 1914-7-31 34 Los Angeles Middle Ranch, Santa Catalina Island. Comment
  RSA638215  Bromus carinatus L. C. Wheeler 1969-5-17 s.n. Los Angeles Santa Catalina Island, Fishermans Cove: USC Marine lab. 152 Comment
  UCD58001  Bromus carinatus F. R. Fosberg 1931-4-3 S 4484 Los Angeles Santa Catalina Island. Pebble Beach. Comment
  SEINET10900896  Bromus carinatus Hermann E. Hasse Hasse s.n. Los Angeles Comment
  RSA0097172  Bromus carinatus var. carinatus R. G. Swinney 2011-6-1 14971 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  RSA585424  Bromus carinatus var. carinatus Timothy S. Ross, Steve Boyd 1990-5-31 2747 Los Angeles Ridge descending northward from Mt Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  RSA610975  Bromus carinatus var. carinatus L. C. Wheeler 1970-6-27 s.n. Los Angeles San Gabriel Mountains: Little Fish Fork, Fish Fork Camp. 2012 Comment
  UC1584928  Bromus carinatus var. carinatus Tim Ross, Steve Boyd 1991-7-24 5617 Los Angeles nne of Granite Mountain 1874 Comment
  UCR223561  Bromus ciliatus R. G. Swinney 2009-6-2 10985 Los Angeles Transverse Range; San Gabriel Mtns., east slope of Pacifico Mountain at Fountainhead Spring 2012 Comment
  RSA591905  Bromus diandrus L. C. Wheeler 1967-5-8 9311 Los Angeles Liebre Mountains. Foothills northeast of Saugus. 381 Comment
  RSA607460  Bromus diandrus L. C. Wheeler 1973-6-8 s.n. Los Angeles Los Angeles: SE of Alameda St. & San Diego Fwy, between Sepulveda & 233rd St.. [L. A. Harbor Dept., Classification Yard, E of Domiguez Flood Control Channel.] Comment
  RSA717195  Bromus diandrus Gary Kovnat, LeRoy Gross 2003-4-5 39 Los Angeles Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow ecotone. Comment
  SFV21855  Bromus diandrus J. N. Hogue 2011-3-1 s. n. Los Angeles Los Angeles Basin Los Angeles, Eagle Rock. 207 Comment
  UCR220232  Bromus diandrus R. G. Swinney 2009-4-13 10322 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, San Gabriel River under the Puente Largo railway bridge, 0.5 mi. north of Foothill Blvd. on east side of El Encanto Parkway, west of El Encanto Park in Duarte 184 Comment
  CAS-BOT-BC155592  Bromus grandis W. A. Silveus 1938-6-1 2754 Los Angeles Mount Wilson Observatory. Comment
  UC1922373  Bromus hordeaceus Gary Kovnat with LeRoy Gross 2003-2-16 31 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace west meadow. Comment
  RSA601176  Bromus madritensis subsp. madritensis L. C. Wheeler 1967-6-27 9919 Los Angeles San Gabriel Mountains : Sunset Ridge, NE of Cogswell Reservoir. 640 Comment
Read comments
Feb 4 2015
  UC2026501  Bromus madritensis subsp. madritensis Louis C. Wheeler 1975-6-8 s. n. Los Angeles SAN GABRIEL MOUNTAINS: ca. 1 mile E of mouth of Little Tujunga Canyon. Comment
  POM363947  Bromus rubens Bette Wright 1942-5-2 s.n. Los Angeles Glendale. Comment
  SBBG44381  Bromus rubens G. Sphon, D. Hearn -May-1956 23 Los Angeles Black Butte Comment
  UCD59519  Bromus rubens Geoffrey Levin 1974-4-27 42 Los Angeles San Antonio Canyon below San Antonio Dam. San Gabriel Mts. 579 Comment
  UCR125404  Bromus rubens A. C. Sanders, Mark Elvin, Cathleen Weigand, M. S. Enright, Michelle Balk, Nathan Gale, Anuja Parikh, K. Rindlaub 2003-3-4 25695 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
  UCR177777  Bromus rubens LeRoy Gross 2005-4-28 2118 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  RSA161091  Bromus sterilis P. H. Raven 1962-5-20 17780 Los Angeles Santa Catalina Island: Farnsworth Loop on summit road 244 Comment
  UC1870322  Bromus sterilis LeRoy Gross, Michael Denslow, Bill Hogshead, Sarah Swartzentruber 2003-6-17 1054 Los Angeles [Transverse Ranges; Verdugo Mountains region]; South side of mountains: Brand Canyon, above the large waterfall, where the canyon forks off. Near 34.19627N, 118.26582W. 519 Comment
  UC816449  Bromus tectorum L. R. Abrams 1927-4-30 11744 Los Angeles between Neenach and Fairmont (Antelope Valley); Antelope Valley Comment
  SDSU2465  Cakile edentula Gerald Collier 1951-4-7 M 193 Los Angeles About 100 yards from shore. Comment
  LA202290  Calandrinia breweri Arthur C. Gibson; 2005-4-20 5040 Los Angeles Comment
  UC2029944  Calandrinia breweri Valerie Soza, LeRoy Gross 2001-4-24 1173 Los Angeles Transverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire Area, above Santa Anita Canyon, ca. 0.5mile WNW of the Santa Anita Dam. Comment
  RSA466533  Calandrinia ciliata M. B. Dunkle 1929-4-21 2138 Los Angeles Santa Catalina Island: Rock Spring Canyon. Comment
  RSA631082  Calandrinia ciliata L. C. Wheeler 1969-5-3 s.n. Los Angeles Bluebird truck trail. 716 Comment
  RSA13892  Callitriche marginata L. C. Wheeler 1934-3-6 2397 Los Angeles Puddingstone Dam, San Jose Hills. 304 Comment
  CAS-BOT-BC132279  Calochortus catalinae Geo. B. Grant 1900-3-30 s.n. Los Angeles Avalon Comment
  POM254455  Calochortus catalinae Bonnie C. Templeton 1939-4-19 4587 Los Angeles Huntington Palisades, Santa Monica Mountains Comment
  RSA377300  Calochortus catalinae Gale Sphon 1955-5-5 s.n. Los Angeles 0.5 miles west of Beverly Glen on Mulholland Drive Comment
  SBBG57667  Calochortus catalinae M. N. Ackley -Apr-1928 648 Los Angeles Hollywood Hills Comment
  UCR50765  Calochortus catalinae Lyman Benson 1945-5-11 12083 Los Angeles San Gabriel Valley, midway between Pomona and Brea in the Puente Hills. Pacific Slope Drainage 274 Comment
  JEPS85104 Image available Calochortus clavatus Roy E. Buck and Rexford Palmer 1989-4-28 1223 Los Angeles ca 1.1 air km ene Pyramid Rock summit (22 air km nw of Castaic, between Interstate 5 and Pyramid Dam, on crest of n-s-extending spur ridge, e of small draining cyn s of Posey Cyn) 914 Comment
  LA36005  Calochortus clavatus Peter H. Raven; 1960-5-21 15399 Los Angeles SANTA MONICA MOUNTAINS, near Cornell Corners. 243 Comment
  SEINET4169784  Calochortus clavatus Ira W. Clokey, B. Templeton 4552 Los Angeles Mandeville Canyon, Santa Monica Mountains 500 Comment
  SD240793  Calochortus fimbriatus Mark A. Elvin, Margie P. Elvin, K. Elvin, A. Elvin 2003-7-1 2964 Los Angeles Western Transverse Range; Santa Susana Mountains: crest of the mountains at head of Salt Creek, 6.5 km SW of Stevenson Ranch (Simi Valley East 7.5'Q) 926 Comment
  UCD169206  Calochortus kennedyi var. kennedyi R. G. Swinney 2009-5-12 10734 Los Angeles Transverse Range; San Gabriel Mtns., Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  RSA0020990  Calochortus plummerae Orlando Mistretta, Christine Mistretta 2011-7-5 5896 Los Angeles North Fork Mill Creek, along Forest Road 3N27. 1254 Comment
  RSA377422  Calochortus plummerae Robert L. Dressler 1949-6-19 890 Los Angeles Johnstone Peak, San Gabriel Mountains. 762 Comment
  RSA0009996  Calochortus splendens Marcus E. Jones 1927-5-29 s.n. Los Angeles Isthmus, Catalina Island. Comment
  RSA736004  Calochortus weedii var. intermedius Scott D. White, Justin M. Wood 2008-6-4 12056 Los Angeles Puente Hills NW of Turnbull Canyon. SCE powerline corridor at tower 27 and adjacent access road. 348 Comment
  UCR150713  Calyptridium monandrum R. G. Swinney 1998-4-14 5977 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  CATA1646  Calystegia macrostegia Mark L. Hoefs, Steven A. Junak 1998-6-12 2929 Los Angeles Santa Catalina Island: At Isthmus, across from Catalina Harbor 6 Comment
  SFV5514  Calystegia macrostegia W. A. Kelley May 1966 s. n. Los Angeles Santa Monica Mountains Studio City, near Laurel Canyon. Comment
  CATA452  Calystegia macrostegia subsp. intermedia Sara L. Crockett 1997-3-18 592 Los Angeles Santa Catalina Island: Upper Cape Canyon; ridge S of and overlooking road, 1.0 mile NE along Cape Canyon Road from jct. with Middle Ranch Road 326 Comment
  RSA647793  Calystegia macrostegia subsp. intermedia LeRoy Gross, Laura Moore 2000-6-5 210 Los Angeles Verdugo Mountains: Canyon east of Brand Canyon by the Brand Lateral Trail, out of Brand Park, north of corners of Grandview & Mountain, Glendale. 274 Comment
  RSA422168  Calystegia occidentalis subsp. fulcrata Anstruther Davidson 1892-8-20 s.n. Los Angeles Wilson's Trail Comment
  UC1595268  Calystegia occidentalis subsp. fulcrata Tim Ross 1992-7-16 6690 Los Angeles near summit Mt. Gleason just e Military Reservation (San Gabriel Mountains); , nr summit Mt. Gleason 1901 Comment
  CAS-BOT-BC215907  Calystegia peirsonii T. Krantz 1979-6-20 s.n. Los Angeles Along roadcut of Bouquet Canyon Road, just E of junction 6N04, E of Bouquet Reservoir under the powerlines, San Gabriel Mts. Comment
  CAS-BOT-BC215908  Calystegia peirsonii R. K. Brummitt; S. D. Boyd 1998-5-25 20027 Los Angeles 10 km NE of Castaic, San Francisquito Canyon just N of powerhouse below Drinkwater Res. 485 Comment
  RSA75397  Camissonia boothii subsp. decorticans F. W. Peirson 1928-6-2 7949 Los Angeles San Gabriel Mountains, wash in Rock Creek. 1372 Comment
  UCR165246  Camissonia californica A. C. Sanders, Helen Kennedy 2005-4-13 29485 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon off end of Nadal St., off Whites Canyon Rd., between Mint and Plum Canyons 457 Comment
  RSA517848  Camissonia campestris subsp. campestris Steve Boyd 1986-3-30 1496 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA713247  Camissonia campestris subsp. campestris LeRoy Gross 2005-5-3 2225 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., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  RSA454042  Camissonia cheiranthifolia subsp. suffruticosa Mildred R. Solomen 1931-07 s.n. Los Angeles Griffith Park, L.A. Comment
Read comments
May 8 2010
  UCR155114  Camissonia hirtella A. C. Sanders 2005-5-5 29911 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road on slopes at NE end of mesa, c. 0.1 mi. above Vasquez Canyon Rd. 610 Comment
  RSA449013  Camissonia intermedia Anstruther Davidson 1905-1 1435 Los Angeles Hollywood. Comment
  RSA0069428  Camissonia micrantha R. G. Swinney 2010-3-11 11871 Los Angeles San Gabriel Mountains/Verdugo Mountains: flood plain surrounding Haines Canyon wash, from the I-210 Fwy. in the east where it crosses wash, to 0.5 mi. west at junction with Big Tujunga Wash. 348 Comment
  RSA670300  Camissonia micrantha Joseph M. Keefe 2001-3-19 31178 Los Angeles San Rafael Mountains. 2 meters north of Glenoaks Boulevard, 60 meters west of locked gate, 0.5 mile southeast of Flint Peak, 3 miles east of Harvey Drive; Glendale, CA 91208. 476 Comment
  SEINET6190649 Image available Camissonia pallida Michael Honer, Crissy Slaughter, Julie Love 2009-1 3297 Los Angeles Mojave Desert; West Mojave Desert region: Antelope valley; Along 170th Street West, appx. 1.5 mi. N of Highway 138. 805 Comment
  RSA454091  Camissonia robusta Blanche Trask 1897-05 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  RSA570210  Camissonia strigulosa Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-30 5006 Los Angeles Acton: ca half mile E of the center of town, next to the Southern Pacific Railway, on the N side of Soledad Canyon Wash. 831 Comment
  UCR179711  Camissonia strigulosa R. G. Swinney, Dave Larson 1996-7-17 5126 Los Angeles San Gabriel Mountains, San Dimas Experimental Forest, east half (grass portion) of Browns Flat 1341 Comment
  UCR275285  Camissonia strigulosa Jeremiah George 2012-3-1 s.n. Los Angeles South Coast, Entradero Park, West Torrance near Redondo Beach 23 Comment
  SD39508  Camissoniopsis bistorta Edith A. Purer 1931-2-28 Los Angeles Verdugo Hills, hillsides Comment
  CAS-BOT-BC160445  Camissoniopsis cheiranthifolia subsp. suffruticosa Geo. B. Grant 1904-5-14 s.n. Los Angeles Playa del Rey Comment
  CHSC34083  Camissoniopsis ignota T. P. Spira 1977-4-6 103 Los Angeles Ca. 1 mi e of Las Virgines Road, off of Mulholland Hwy. 180 Comment
  UC1587622  Camissoniopsis intermedia Tim Ross 1991-4-21 4534 Los Angeles dry ridgetop on n side 1000 ft nw old water tank; Whittier Hills (Puente Hills, pro parte), Middle Turnbull Ca 280 Comment
  RSA608610  Capsella bursa-pastoris L. C. Wheeler 1974-4-14 s.n. Los Angeles San Gabriel Mountains: Wildwood Ranch, Shuler Canyon. 412 Comment
  UCSB41801  Capsella bursa-pastoris Holland, Don 1971-3-17 Los Angeles On west end of Puddingstone Reservoir, off San Dimas Ave. 335 Comment
  LA32259  Cardamine californica Henry J. Thompson; 1959-3-22 1871 Los Angeles Santa Monica Mountains, Lobo Canyon, 1 mi. W of Triunfo Canyon 274 Comment
  JEPS53396  Cardamine californica var. integrifolia Frank W. Peirson 1918-5-21 265 a Los Angeles Arroyo Seco San Gabriel Mountains, Arroyo Seco 487 Comment
  POM434  Cardionema ramosissimum Daniel L. Crawford, H. D. Hiatt 1916-3-30 s.n. Los Angeles Santa Monica, fields near city. Comment
  RSA89051  Carduus nutans George W. Garrettson 1954-7-9 s.n. Los Angeles Rancho San Vicente at La Puente and Lemon Streets, Walnut. Comment
  CAS-BOT-BC17684  Carex alma Louis C. Wheeler 1968-7-3 s.n. Los Angeles San Gabriel Mountains. North side of Bichota Canyon, east of heliport. 1402 Comment
  RSA669141  Carex alma LeRoy Gross 2002-6-24 546 Los Angeles North side.Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). 549 Comment
  RSA602753  Carex bolanderi L. C. Wheeler 1967-8-2 10291 Los Angeles San Gabriel Mountains, Angeles National Forest: Sheep Camp Spring, W slope Mt. Pacifico 1951 Comment
  SBBG119322  Carex densa V. Soza with S. Boyd 2002-4-10 1405 Los Angeles Haskell Cyn, Del Sur Ridge, Stables Fire 2001 area; T5N R15W S19, SW/4, SE/4 518 Comment
  UCR189856  Carex fracta R. G. Swinney 1998-7-14 6416 Los Angeles San Gabriel Mtns., Columbine Spring, north slope of Pine Mountain Ridge and flowing into Prairie Fork, 0.3 mi. south of Camp Lupine 2195 Comment
  UCR269124  Carex fracta Orlando Mistretta, Christine Mistretta 2011-6-23 5728 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  CHSC106445  Carex spissa P. F. Zika; Nick Otting 2010-8-7 25306 Los Angeles South Coast (SCo). Base of San Gabriel Canyon, E side of Route 39, steep sunny seep, base of steep loose slope. 250 Comment
  SD82899  Carex subfusca R. F. Thorne, M. Z. Thorne 1969-7-9 38576 Los Angeles San Gabriel mountains; Angeles National Forest; big, wet, sloping meadow at Big Pines. 2073 Comment
  CAS-BOT-BC115672  Carex triquetra George B. Grant 1901-4-1 3807 Los Angeles Pasadena Comment
  UC212796  Carex triquetra I. Johnston 1917-5-6 1917 Los Angeles Evey Canyon San Antonio Mts. 914 Comment
  RSA90856  Carex triquetra F. W. Peirson 1918-5-5 1634 Los Angeles Summit of Santa Sunann [Susana?] Grade between Los Angeles and Ventura Counties. 457 Comment
  RSA341416  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles San Clemente Island: E side of island, next major drainageway and canyon SE of Lemon Tank. Comment
  UC1541109  Carex tumulicola F. C. Boutin 1967-4-23 1690 Los Angeles se Lemon Tank (next to major drainageway and canyon, e side of island); San Clemente Island Comment
  LA52003  Castilleja affinis A. H. Lange; 1951-3-31 s.n. Los Angeles SANTA MONICA MOUNTAINS, Mulholland Dr. Comment
  LA82057  Castilleja affinis O. H. Kappler; 1940-6-30 584 Los Angeles SANTA MONICA MOUNTAINS, Escondido Canyon, lower canyon. Comment
  SEINET12288576  Castilleja affinis I. W. Clokey, Templeton, B. 1929-1 4427 Los Angeles Mandeville Canyon, Santa Monica Mountains 425 Comment
  RSA448671  Castilleja applegatei subsp. martinii Geo. C. Johnstone 1925-4-10 s.n. Los Angeles Mount Lowe Comment
  RSA650909  Castilleja applegatei subsp. martinii C. A. Schideler 1981-4-26 32 Los Angeles Angeles Nat. Forest, San Gabriel Mtns., N. end of Hwy. 39 - San Gabriel Canyon Rd., end of East [Fork] at fire station. Comment
  UC1063259  Castilleja exserta Jerome S. Horton 1939-5-17 542 Los Angeles 0.25 mi se San Dimas Reservoir (San Dimas Climatic Station); San Dimas Canyon, Pomona Quad. 457 Comment
  RSA715205  Castilleja exserta Gary D. Wallace, M. Wallace, Z. Wallace 1982-4-24 1937 Los Angeles West of Palmdale, north end of Munz Ranch road. Comment
  SD69530  Castilleja exserta subsp. exserta Robert F. Thorne 1966-4-7 35985 Los Angeles Santa Catalina Island: grassy slope S of Parson Landing and SW of Arrow Point, W end of island 60 Comment
  POM4459  Castilleja foliolosa I. M. Johnston 1917-5-6 1914 Los Angeles Evey Canyon, north of Claremont 762 Comment
  UCR177160  Castilleja foliolosa Stephen Dreher, LeRoy Gross 2001-4-12 614 Los Angeles Los Angeles Basin, Verdugo Mountains, south-facing slope right above the west bound 210 Fwy, just west of La Tuna Canyon Road exit 549 Comment
  RSA400566  Castilleja foliolosa Kenneth A. Wilson 1961-3-11 988 Los Angeles San Francisquito Canyon 1.5 miles south of Green Valley (Spunky Canyon Road). Comment
  SEINET10942981 Image available Castilleja gleasoni Adolph D. E. Elmer Elmer 3659 Los Angeles Acton. Comment
  UCR65528  Castilleja grisea Aaron Liston, Orlando Mistretta, L. Rieseberg 1989-4-28 796- 2 Los Angeles Channel Islands, San Clemente Island, Horse Beach Canyon, S end of island 21 Comment
  JEPS9847  Castilleja miniata Frank W. Peirson 1920-9-14 2286 Los Angeles Coldwater Canyon; San Gabriel Mountains 2133 Comment
  POM145748  Castilleja minor subsp. spiralis Thomas Craig 1927-6-19 479 Los Angeles Between Acton and Ravenna, Soledad Canyon. Comment
  RSA594636  Castilleja minor subsp. spiralis Steve D. Boyd, Lauren Raz 1996-10-29 9119 Los Angeles Liebre Mountains region, along 7N19, the road to Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1463 Comment
  RSA607434  Castilleja minor subsp. spiralis Louis C. Wheeler 1932-7-2 892 Los Angeles San Dimas Canyon, San Gabriel Mts. 457 Comment
  RSA588065  Castilleja plagiotoma Orlando Mistretta 1994-4-15 1037 Los Angeles San Gabriel Mountains, Santiago Canyon, W slopes of drainage near confluence with Little Rock Creek 1037 Comment
  RSA772385  Castilleja plagiotoma R. G. Swinney 2009-5-12 10756 Los Angeles Alimony Ridge, junction of Alimony Ridge and Alimony Ridge Rd. and to 1/2 mi. NW up ridge. 1435 Comment
  CHSC14025  Castilleja subinclusa subsp. subinclusa L. M. Mayer; I. J. Mayer 1974-4-10 161 Los Angeles On Bouquet Canyon Rd. ca 4 1/2 mi e of intersection with Sierra Pelona Rd. Comment
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Feb 28 2006
  RSA0091546  Caulanthus amplexicaulis R. G. Swinney 2011-6-14 15126 Los Angeles Vetter Mt. Lookout tower, 1.3 air-miles west of Charlton Flat entrance at Angeles Crest Hwy 1772 Comment
  UC10381  Caulanthus amplexicaulis J. Burtt Davy May 9 1896-May 24 1896 2563 Los Angeles Manzana Antelope Valley, Manzana Comment
  RSA531095  Caulanthus amplexicaulis var. amplexicaulis H. E. Hasse, Davidson 1906-6-1 1505 Los Angeles Lowell Mine, Big Rock Creek Comment
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Nov 19 2015
  RSA79238  Caulanthus amplexicaulis var. amplexicaulis G. R. Campbell 1952-6-28 17284 Los Angeles Mt. Baldy 2438 Comment
  UCR265464  Caulanthus coulteri Jordan Zylstra, K. Morse 2015-4-10 15004 Los Angeles Western Antelope Valley, Tejon Ranch, NW of Quail Lake 1102 Comment
  UCR108342  Caulanthus inflatus L. C. Wheeler 1973-4-20 S.N. Los Angeles San Gabriel Mtns., Edge of Antelope Valley. 40th Street East, between the California Water Project Canal and Barrel Springs Road 927 Comment
  UCR146452  Caulanthus major var. major Orlando Mistretta 1993-6-28 902 Los Angeles San Gabriel Mountains, Angeles National Forest. Table Mountain; Sunrise ski area 2226 Comment
  RSA306185  Ceanothus crassifolius Fay A. MacFadden 1933-3-27 s.n. Los Angeles La Tuna Canyon, Verdugo Mountains Comment
  RSA550409  Ceanothus crassifolius Tim S. Ross, Peter Fritsch 1990-6-20 3591 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
  UCD111437  Ceanothus crassifolius Colin M. Wainwright 1971-3-26 131 Los Angeles Evey Canyon, off Mt. Baldy Road, 5 miles north of Claremont. 1036 Comment
  UCR114207  Ceanothus crassifolius A. C. Sanders, D. Malueg 1998-6-24 22073 Los Angeles San Gabriel Mtns., brushy SE facing slope on ridge c. 3.5 mi. NE of Big Tujunga Dam, just below VABM 'Wreck', So. Cal. Edison Mesa-Vincent transmission line at tower 10-4 1305 Comment
  UCR150665  Ceanothus crassifolius James Henrickson 2000-4-15 20710 Los Angeles San Gabriel Mountains region, c. 1 mi SE of Newhall in Whitney Canyon, SE of junction of San Fernando Road and State Highway 14; 0.25-0.5 mile east of Highway 14; within 200 ft of Hwy 488 Comment
  UCR78150  Ceanothus cuneatus Wandalee Thompson 1964-4-18 26 Los Angeles Transverse Range; Liebre Mtns., Pine Canyon Road, N-2, c. 7 mi. west of Lake Elizabeth 1128 Comment
  UC1587568  Ceanothus cuneatus var. cuneatus Tim Ross 1991-9-2 5929 Los Angeles near Mulholland Hwy (Yerba Buena Rd); Santa Monica Mts., Truinfo Pass USGS 7.5' quad Comment
  RSA747186  Ceanothus greggii R. G. Swinney 2008-6-10 9009 Los Angeles Devils Punchbowl Co. Park, 2.4 miles SSE of park headquarters on South Fork Trail. 1585 Comment
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Apr 4 2017
  RSA600170  Ceanothus greggii var. vestitus Steve Boyd, Lauren Raz 1997-5-1 9662 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
  RSA77353  Ceanothus greggii var. vestitus F. W. Peirson 1918-6-16 4448 Los Angeles Rock Creek, north slope of San Gabriel Mountains 1448 Comment
  UC18461  Ceanothus greggii var. vestitus A. Davidson 1892-1 Los Angeles Comment
  CAS-BOT-BC50151  Ceanothus integerrimus Le Roy Abrams; E. A. McGregor 1908-6-20 369 Los Angeles Liebre Mountain 1524 Comment
  RSA654200  Ceanothus integerrimus Kelly Middleton, David Middleton 1988-5-8 2 Los Angeles Glendora Ridge Road, 4.4 miles west of Mt Baldy Road intersection. 1220 Comment
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Jun 2 2014
  RSA122547  Ceanothus leucodermis A. D. Gifford 1935-5-8 672 Los Angeles 1.25 N.E. of Whitaker Pk. Comment
  POM9556  Ceanothus leucodermis P. A. Munz 1920-3-10 3330 Los Angeles 1.5 mi. east of Claremont. 366 Comment
  RSA0014724  Ceanothus leucodermis Laura Moore, Jean Moore 1999-4-25 23 Los Angeles Pitzer College, Claremont; Northwest section, approximately 10 yards from western boundary of Harvey Mudd Soccer Field. 351 Comment
  UC18294  Ceanothus megacarpus var. insularis Blanche Trask Jan 1897 Los Angeles Santa Catalina Island, Avalon Comment
  CAS-BOT-BC51443  Ceanothus megacarpus var. megacarpus Reid Moran 1941-3-5 697 Los Angeles Side & bottom of Arroyo, Salta Verde, Santa Catalina Island 350 Comment
  SBBG68375  Ceanothus megacarpus var. megacarpus M. N. Ackley -Apr-1929 Los Angeles Mulholland Drive 609 Comment
  CAS-BOT-BC50456  Ceanothus oliganthus Alice Eastwood 1919-5-29 8983 Los Angeles San Gabriel Canyon Comment
  CAS-BOT-BC50492  Ceanothus oliganthus John Thomas Howell 1930-5-18 5173 Los Angeles Pacoima Canyon, San Gabriel Mountains Comment
  UCR19803  Ceanothus oliganthus Freda Detmers 1933-4-19 s.n. Los Angeles San Gabriels Mtns., Little Tujunga Canyon Comment
  SEINET12209936  Ceanothus oliganthus Unknown 1936-1 12658 Los Angeles Mt. Wilson Comment
  RSA655773  Ceanothus oliganthus subsp. oliganthus LeRoy Gross 2001-1-28 335 Los Angeles Verdugo Mountains, north side: Along dirt road were Mesa Lila Road ends, at bottom of Ridge between Engleheard and Henderson Canyons. 488 Comment
  RSA277960  Ceanothus oliganthus var. oliganthus Austin P. Griffiths 1962-11-5 4499 Los Angeles Chantry Flat, Big Santa Anita Canyon, N. of Arcadia, San Gabriel Mts. Comment
  LA91405  Ceanothus spinosus Bruce Douglas Clayton; Greg Shaw 1972-3-16 5 Los Angeles SANTA MONICA MOUNTAINS, upper Temescal and Rustic Canyons, Mountain Park Research Campus, Ceanothus Road near pull-out. 518 Comment
  RSA398936  Ceanothus spinosus T. S. Clare 1929-3-10 s.n. Los Angeles Topango [Topanga] canyon. 488 Comment
  UC1071348  Ceanothus spinosus H. A. Jensen 1933-3-15 270 Los Angeles Slope above Thompson Creek Cucamonga Quad. 548 Comment
  UC1071383  Ceanothus spinosus A. D. Gifford 1934-4-25 167 Los Angeles top Castro Pk.; Triunfo Pass Quadrangle Comment
  LA211121  Celtis australis Arthur C. Gibson; no date 2008 5260 Los Angeles HOLLYWOOD HILLS, Griffith Park, Just S of Travel Town. Comment
  CAS-BOT-BC277005  Centaurea diluta E. M. Becker 1943-8-30 s.n. Los Angeles Near Friendly Hills between Los Angeles and Fullerton Comment
  CHSC25954  Centaurea melitensis E. Bushey 1968-5-22 82 Los Angeles Mulholland Dr. 304 Comment
  JEPS26162  Centaurea melitensis Peter H. Raven and Henry J. Thompson 1959-6-4 14323 Los Angeles Point Dume Santa Monica Mountains, Point Dume 45 Comment
  RSA779871  Centaurea melitensis R. G. Swinney 2009-4-7 10299 Los Angeles Azusa/Irwindale, between the I-210 Fwy and Foothill Blvd., on west side of San Gabriel River channel 169 Comment
  UC894386  Centaurea melitensis L. W. Nuttall 1920-1-1 74 Los Angeles Santa Catalina Island Comment
  UCD150977  Centaurea melitensis D. S. Park 2010-4-29 63 Los Angeles Wildwood Canyon, trailside. Growing on hillside 30 degree gradient. 447 Comment
  POM199567  Centaurea melitensis Fordyce Grinnell Jr. 1903-6-27 s.n. Los Angeles Arroyo Seco, Pasadena. Comment
  POM351509  Centaurea melitensis Ambrose Schindler 1940-5-15 s.n. Los Angeles Stone Canyon Comment
  RSA589499  Centaurium davyi Tim S. Ross, Gery Allan, Mark A. Elvin, Jennifer Stone 1995-5-19 8578 Los Angeles San Clemente Island. Head of the northern tributary of Canchalagua Canyon, 400 ft. NNE of the 1135-ft. triangulation point. 326 Comment
  SEINET6085102  Centaurium venustum Unknown 1946-5-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  UCR51042  Centrostegia thurberi A. C. Sanders, B. Pitzer, J. C. Lyman 1988-4-4 7769 Los Angeles Western Mojave Desert, Lancaster, near Quartz Hill, south of Ave L at 37th St. West 747 Comment
  RSA681916  Cerastium fontanum subsp. vulgare Scott D. White 2001-3-24 8167 Los Angeles Claremont: Roadside. Irrigated or landscaped areas on residential street west of Indian Hill Blvd. 335 Comment
  CATA1732  Cerastium glomeratum Mark L. Hoefs, Steven A. Junak, Keri Kirkland 2001-4-13 3112 Los Angeles Santa Catalina Island: Near road above Empire Landing 137 Comment
  UCD98026  Cerastium glomeratum Donald R. Bissing 1973-5-4 54 Los Angeles Evey Canyon, San Gabriel Mountains. 4 mile from canyon mouth. 725 Comment
  CAS-BOT-BC142138  Cercocarpus betuloides Peter H. Raven; Henry J. Thompson 1959-4-3 13915 Los Angeles Saddle Peak, north slope near summit, Santa Monica Mountains 838 Comment
  LA47744  Cercocarpus betuloides Carl Epling; May 1927 sn Los Angeles Ridge Route near Summit Comment
  POM156313  Cercocarpus betuloides L. R. Abrams 1903-3-11 3116 Los Angeles Sepulveda Canyon, Santa Monica Mountains. Comment
  POM177975  Cercocarpus betuloides J. Ewan 1931-3-21 4056 Los Angeles Lower part of Los Flores Canyon. Comment
  UCR144601  Cercocarpus betuloides G. D. Wallace 1985-2-25 2166 Los Angeles San Gabriel Mtns., Gold Hill, Alta Vista Ave. between Oak Grove and Mesa Circle, Monrovia 259 Comment
  SEINET11914799  Cercocarpus betuloides I. W. Clokey, Templeton, B. 1929-1 4596 Los Angeles Mandeville Canyon, Santa Monica Mountains 300 Comment
  CAS-BOT-BC142114  Cercocarpus betuloides var. betuloides Carl B. Wolf 1932-5-10 3505 Los Angeles Avalon Canyon, above the last almond orchard - Santa Catalina Island 121 Comment
  CAS-BOT-BC142137  Cercocarpus betuloides var. betuloides Carl Epling 1931-5-2 s.n. Los Angeles Los Alisos Canyon, Santa Monica Mountains Comment
  RSA653357  Cercocarpus betuloides var. betuloides LeRoy Gross 2000-10-28 305 Los Angeles Verdugo Mountains: Brand lateral trail behind the Brand Park Library, ridge west of Idlewood Canyon, where Grandview Ave. and Mountain st. meet in city of Glendale. Following fire break up to main crest (to Beaudry fire road). 488 Comment
  SEINET10483777  Cercocarpus betuloides var. blancheae Jon Ricketson, Heidi H. Schmidt 1992-10-19 Ricketson 4776 Los Angeles Santa Catalina Island; The Wrigley Memorial and Botanical Gardens, at 1400 Avalon Canyon Road, at the base of Avalon Canyon, above the city of Avalon. 90 Comment
  RSA623927  Cercocarpus ledifolius Arthur R. Kruckeberg 1939-10-15 340 Los Angeles South Fork Big Rock Creek 1220 Comment
  UCR127154  Chaenactis artemisiifolia A. C. Sanders, Mark A. Elvin 2003-6-18 26959 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
  POM66521  Chaenactis artemisiifolia Marcus E. Jones 1887-04 s.n. Los Angeles Los Angeles. Comment
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Oct 26 2009
  SBBG44370  Chaenactis fremontii G. Sphon, D. Hearn 1956-5-30 5 Los Angeles Black Butte Comment
  SEINET2029300 Image available Chaenactis glabriuscula var. curta Muriel F. Wheeler 1938-5-26 894 Los Angeles Thompson Xcreek Wash, 1.5 miles northeast of La Verne 375 Comment
  SD30668  Chaenactis glabriuscula var. denudata Edith A. Purer 1935-5-12 6593 Los Angeles El Segundo Comment
  CAS-BOT-BC183856  Chaenactis glabriuscula var. glabriuscula Timothy S. Ross; Steve Boyd 1994-5-10 7759 Los Angeles Lower Deer Canyon: inside the rather broad mouth of the canyon, ca 220-380 m NNW of its confluence with Elizabeth Lake Canyon 883 Comment
  CAS-BOT-BC277356  Chaenactis glabriuscula var. glabriuscula A. D. E. Elmer 1902-6-1 3702 Los Angeles Acton, Mt. Gleason Comment
  CAS-BOT-BC277378  Chaenactis glabriuscula var. glabriuscula S. B. Parish 1918-6-5 11866 Los Angeles Playa del Rey Comment
  CAS-BOT-BC277382  Chaenactis glabriuscula var. glabriuscula Wesley O. Griesel 1962-5-25 s.n. Los Angeles Switzers Inlet, Upper Arroyo Seco, San Gabriel Mts. 914 Comment
  RSA739666  Chaenactis glabriuscula var. glabriuscula John Dittes 2006-5-30 1386 Los Angeles Western Transverse Range, San Gabriel Mtns, Big Tujunga Canyon, 3.7 air miles NE of Verdugo Hills High School, 2.5 air mile SW of Condor Peak, 2.5 air miles SSE of Mt. McKinley 529 Comment
  SFV13412  Chaenactis glabriuscula var. glabriuscula W. M. Perry 1980-7-3 68 Los Angeles San Gabriel Mountains Cattle Canyon on 2N06, at narrows. Comment
  UC135114  Chaenactis glabriuscula var. glabriuscula C. F. Baker 1904-5-1 4784 Los Angeles hills near Claremont; Pacific Coast, Claremont Comment
  CAS-BOT-BC277377  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1913-5-16 5497 Los Angeles Redondo Comment
  RSA229172  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, C. W. Tilforth 1971-6-30 40809 Los Angeles San Gabriel Mountains. 1554 Comment
  RSA301933  Chaenactis glabriuscula var. glabriuscula J. R. Shevock 1972-4-30 1629 Los Angeles 3 miles north of Palmdale 823 Comment
  CAS-BOT-BC284279  Chaenactis santolinoides A. D. E. Elmer 1902-6-1 3802 Los Angeles Acton Comment
  UC166235  Chaenactis santolinoides Geo. B. Grant 1906-6-17 164 Los Angeles summit of Mt. Wilson 1828 Comment
  SEINET2049526 Image available Chaenactis stevioides J. Harry Lehr 1971-4-12 321 Los Angeles North side Rt. 138, 7.1 mi. east of Pear Blossom, Los Angeles , Calif San Gabriel Mountains. 1220 Comment
  RSA755964  Chaenactis stevioides Orlando Mistretta, Christine Mistretta 2008-4-4 2315 Los Angeles North of State Hwy 14 along Southern California Edison Transmission Line in the vicinity of Peaceful Valley Road (Segment 5, structure 54 per TRTP survey; 2008) 1341 Comment
  JEPS17082  Chaenactis xantiana Rimo Bacigalupi 1955-4-6 4814 Los Angeles 1 mi e of Lancaster; Mojave Desert Comment
  POM13533  Chaenactis xantiana F. W. Peirson 1922-7-5 3163 Los Angeles Summit of Le Montaine, north of Big Pines, north side of San Gabriel Mountains 2209 Comment
  RSA587164  Chaenactis xantiana Orlando Mistretta 1995-4-28 1652 B Los Angeles Kitter Canyon; Slopes W of main canyon 1280 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
  UCR80039  Chaetopappa lyonii D. L. Koutnik 1992-10-25 s.n. Los Angeles Western Transverse Range; Santa Monica Mtns., on a knoll NW of intersection of Mulholland Hwy & Westlake (Decker) Rd, c. 1/4 mi. west of Westlake. Comment
  RSA650041  Chamaesyce albomarginata T. Strid 1971-4-17 s.n. Los Angeles Hi Vista. Comment
  LA50649  Chamaesyce melanadenia Mary Reynolds; 1937-4-15 114 Los Angeles SANTA MONICA MOUNTAINS, Griffith Park Comment
  RSA187771  Chamaesyce serpillifolia R. F. Thorne 1966-9-14 36654 Los Angeles Santa Catalina Island: behind Ben Weston Beach. 3 Comment
  SBBG67775  Chamaesyce serpillifolia subsp. serpillifolia unknown 1928-8-26 Los Angeles Pasadena Comment
  UCR99444  Chasmanthe floribunda L. C. Wheeler 1968-3-28 s.n. Los Angeles San Gabriel Mtns. Foothills, vicinity of stables, Brown School for Girls 335 Comment
  RSA641505  Cheilanthes covillei L. C. Wheeler 1967-8-25 10537 Los Angeles Angeles National Forest: near Reed Spring, South Fork Big Rock Creek, E side Mt. Williamson 1859 Comment
  RSA613608  Cheilanthes covillei L. C. Wheeler 1968-4-26 s.n. Los Angeles San Gabriel Mountains: Quail Springs, Maher Canyon. 1280 Comment
  RSA232283  Chenopodium album R. F. Thorne 1969-7-10 38408 Los Angeles Angeles National Forest: near Lodgepole Picnic ground, 1.5 miles SE of Dawson Saddle along Angeles Crest Highway 2317 Comment
  SBBG65290  Chenopodium berlandieri R. Hoffmann 1931-10-1 Los Angeles near Bob's Place, Mint Cyn Comment
  SFV21094  Chenopodium berlandieri L. Gross, V. Soza, N. Gilbert 2000-10-18 275 Los Angeles Verdugo Mountains Saddle where Stough Canyon Mountainway and Verdugo Mountainway meet. Roadside near above coordinates. 610 Comment
  UCR216864  Chenopodium berlandieri R. G. Swinney 2009-3-12 10099 Los Angeles San Gabriel Mtns. Foothills, Azusa, mouth of San Gabriel River Canyon, 0.7 mi. north of Sierra Madre Ave. on north side of Hwy 39 226 Comment
  RSA587488  Chenopodium berlandieri Orlando Mistretta 1994-9-13 1479 Los Angeles San Gabriel Mountains: Santiago canyon. Santiago creek near jct. of Forest Road 4N20 and BM 3980. 1159 Comment
  RSA478485  Chenopodium californicum T. S. Clare 1929-3-28 s.n. Los Angeles Topango [Topanga] Canyon. Comment
  SBBG96981  Chenopodium californicum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4337 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  POM710  Chenopodium multifidum George B. Grant 1904-12-1 1133 Los Angeles Pasadena. Comment
  RSA478534  Chenopodium murale Blanche Trask 1900-1 s.n. Los Angeles Avalon, Santa Catalina Island. Comment
  SBBG131918  Chenopodium murale S. A. Junak 2000-6-29 SCa 1345 Los Angeles Bird Rock, near High Point, NW end of Opuntia patch 12 Comment
  UC56771  Chenopodium pratericola Ernest Braunton Sept. 1902 681 Los Angeles Los Angeles Comment
  CAS-BOT-BC110210  Chenopodium rubrum Timothy S. Ross; Steve Boyd 1994-9-21 8334 b Los Angeles Liebre Mountains. Cow Spring Pond. Sag pond on the San Andreas Fault Zone at the north foot of Liebre Mountain and on the south side of West Oakdale Canyon Road, ca. 100 m west of the Cow Spring Canyon drainage. 1155 Comment
  SFV12128  Chenopodium strictum var. glaucophyllum D. L. Koutnik, P. Collins 1975-4-26 142 Los Angeles Santa Monica Mountains Near intersection of Mulholland and Franklin Canyon. 320 Comment
  UCD77537  Chorizanthe Robert E. Preston 1998-6-19 1150 Los Angeles Mint Canyon, ca. 0.5 mi N of Sierra Hwy 804 Comment
  UCR61522  Chorizanthe leptoceras T. P. Krantz, Fred Hinshaw, Christi Perala 1988-5-3 s.n. Los Angeles Big Tujunga Canyon Wash, east of Foothill Blvd. crossing of wash. Site proposed for development of Los Angeles International Golf Course [built, =Angeles National G. Club] 384 Comment
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Oct 25 2015
  RSA714980  Chorizanthe parryi var. fernandina Mark A. Elvin, Vipul Joshi, Tricia Wotipka 2003-6-11 2940 Los Angeles N end of Santa Susana Mtns.: Newhall Ranch, ridge ca 900 m SW of 'Airport Mesa' 366 Comment
  UCR126607  Chorizanthe parryi var. fernandina A. C. Sanders, Mark A. Elvin, and others 2003-4-16 26060 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, north of the powerlines south of Magic Mountain Parkway, near I-5 and new golf course 396 Comment
  CAS-BOT-BC244737  Chorizanthe staticoides Roxana S. Ferris 1918-6-12 953 Los Angeles on dry, open hillslope 7 miles south of Acton. Plants of the Arid Southwest Comment
  POM156531  Chorizanthe staticoides L. R. Abrams 1902-7-2 2637 Los Angeles Sierra Madre. Comment
  RSA0113378  Chorizanthe xanti var. xanti LeRoy Gross, Joy England, Naomi Fraga 2016-4-21 7556 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
  UC1980198  Chrysanthemum coronarium R. Old 2003-3-20 sn Los Angeles USA. CALIFORNIA. Los Angeles. Santa Monica / Los Angeles vicinity. Comment
  RSA476629  Chrysolepis sempervirens L. E. Hoffman 1928-8-16 s.n. Los Angeles Buckhorn Flats. Angeles Forest 2165 Comment
  RSA476630  Chrysolepis sempervirens Bonnie C. Templeton 1932-7-21 5031 Los Angeles East Blue Ridge, Big Pines Park. San Gabriel Mountains 2134 Comment
  IRVC29071  Chrysothamnus nauseosus June Latting 1976-10-6 s.n. Los Angeles Big Rock Creek Fire Station, Fenner Canyon San Gabriel Mountains 1585 Comment
  RSA601690  Chrysothamnus nauseosus subsp. hololeucus L. C. Wheeler 1967-11-11 s.n. Los Angeles San Gabriel Mountains: Placerita Canyon ca. 1/2 mi. beyond Oak of the Golden Dream (same location as spring collection) 518 Comment
  RSA517165  Chrysothamnus nauseosus subsp. mohavensis Timothy S. Ross, Orlando Mistretta 1990-10-9 3263 Los Angeles San Gabriel Mountains: Mill Creek Drainage, Tujunga Ranger District, Angeles National Forest. 1454 Comment
  UCSB4522  Chylismia claviformis Haller, John 1957-4-13 Los Angeles on Palmdale Ave; 0.7 miles E. of junc with Calif 138 and ca. 9 miles E. of center of Palmdale Comment
  POM352121  Cichorium intybus Robert Gustafson 1980-7-9 1830 Los Angeles Ballona Wetlands, Area 3. Comment
  RSA585422  Cirsium occidentale var. californicum Timothy S. Ross, Steve Boyd 1990-5-31 2746 Los Angeles Ridge descending northward from Mt. Gleason, between the upper reaches of Moody Canyon and Arrastre Canyon. 1220 Comment
  CDA1604  Cirsium undulatum George Garrettson 1955-5-31 s.n. Los Angeles Puente; Supreme Dairy , E/ Covina Pass Rd. at Amar Ave. 0 Comment
  IRVC28689  Cirsium vulgare A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25476 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  RSA252954  Cistanthe monandra R. F. Thorne, Gary D. Wallace 1973-4-24 43428 Los Angeles SAN GABRIEL MTS., MOJAVE DESERT SLOPE: junction of Pallett Creek & Longview Roads, c. 4 mi S of Pearblossom 1174 Comment
  RSA164776  Cistanthe monosperma Wesley O. Griesel 1963-6-27 834 Los Angeles Ridge betw Dawson Saddle & Throop Peak, San Gabriel Mts. 2591 Comment
  RSA708558  Cistus creticus Valerie L. Soza, LeRoy Gross 2001-5-9 1199 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
  RSA522929  Citrullus lanatus Tim Ross, Orlando Mistretta 1990-10-24 3290 Los Angeles E fork of the San Gabriel River. .35 mi. W of Williams Flat. Comment
  RSA311399  Clarkia cylindrica subsp. cylindrica Cheryl A. Lawson 1971-6-26 394 Los Angeles San Gabriel Mountains, Angeles National Forest: Little Tujunga Canyon. Comment
  RSA453470  Clarkia dudleyana M. B. Dunkle 1933-6-17 s.n. Los Angeles San Antonio River Canyon 915 Comment
  RSA641313  Clarkia dudleyana Orlando Mistretta, Jeff Galizio, Mark A. Elvin, Jim Eckert 1995-6-8 1769 Los Angeles San Gabriel Mountains: Below San Gabriel Dam. Comment
  SFV21116  Clarkia dudleyana L. Gross 2003-6-19 1100 Los Angeles Verdugo Mountains North side of Verdugo Mountains. Entered west of Haines Canyon Park off of Estepa Drive in Tujunga. Followed 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 will drain into La Tuna Canyon. Canyon bottom (the canyon is not as deep as the hills north of 210 Freeway are low Homes are in the northern portion, the southern half gets just a little steeper on the slopes with more water in the creek. 457 Comment
  UCR209132  Clarkia dudleyana R. G. Swinney 2008-6-24 9097 Los Angeles San Gabriel Mountains, Roberts Canyon, 0.4-0.7 mi. north of San Gabriel Canyon 274 Comment
  LA32202  Clarkia purpurea subsp. quadrivulnera Henry J. Thompson; 1959-5-24 2019 Los Angeles Santa Monica Mountains, Saddle Peak, 0.6 mi ENE of peak 701 Comment
  UCR269122  Clarkia rhomboidea Orlando Mistretta, Christine Mistretta 2011-6-23 5724 Los Angeles San Gabriel Mountains, Aliso Canyon drainage, near head of Gleason canyon, west of the junction of Forest Service Road 4N24 1679 Comment
  CATA1426  Claytonia parviflora Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2587 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  RSA750104  Claytonia parviflora R. G. Swinney 2008-5-5 8778 Los Angeles Punchbowl Canyon at north boundary of Devils Punchbowl County Park, confluence of East and West Forks of Punchbowl Cyn, 0.3 mi. south of Big Rock Creek 1256 Comment
  RSA590866  Claytonia parviflora subsp. parviflora Orlando Mistretta 1994-1 997 Los Angeles San Gabriel Mountains: Little Rock creek. slopes E of Little Rock Reservoir. 976 Comment
  SD231423  Claytonia parviflora subsp. parviflora Sula Vanderplank, Leroy Gross, Steve Hoskinson 2005-5-6 50506 62A Los Angeles Transverse Ranges; San Gabriel Mountains region: Off Big Pines Hwy (Road N) on the N side of the San gabriel Mountains. Near shoemaker Canyon. 1444 Comment
  UCR270985  Claytonia parviflora subsp. parviflora R. G. Swinney 2011-4-28 14536 Los Angeles San Gabriel Mountains, north of Glendora, ridge with old firebreak south of Persinger Cyn., from Glendora Mt. Road 0.7 mi. west to San Gabriel Cyn. Dam 963 Comment
  UCR190871  Claytonia parviflora subsp. viridis R. G. Swinney 1999-7-5 7524 Los Angeles San Gabriel Mtns., Cedar Canyon, canyon bottom c. 0.75 mi. NW of Big Pines Hwy at a point 0.5 mi. west of junction of Hwy 2 1866 Comment
  UCR271053  Claytonia parviflora subsp. viridis R. G. Swinney 2011-6-6 15008 Los Angeles San Gabriel Mountains, Charlton Flats (= Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways 1616 Comment
  UCR4121  Claytonia perfoliata 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
  RSA618715  Claytonia perfoliata subsp. perfoliata Scott D. White, Sandy Leatherman 1998-6-4 6654 Los Angeles Castaic Lake area: Grasshopper Canyon watershed, between I-5 Freeway/Old Ridge Route and lake. Proposed North Lake Planned Community. 427 Comment
  RSA578965  Claytonia rubra subsp. rubra Timothy S. Ross, Steve Boyd 1994-5-11 7781 Los Angeles Liebre Mtn: central summit area, ca 1750 m WSW of Bear Gulch Camp. 1695 Comment
  CHSC26387  Clematis lasiantha D. Veltman 1967-4-22 68 Los Angeles Angeles National Forest, Lake Hughes Rd. about 5 miles NE of Castaic. 792 Comment
  UCR208918  Clematis lasiantha P. H. Raven, R. F. Thorne 1964-5-7 19008 Los Angeles Transverse Ranges; Santa Monica Mountains, Saddle Rock Ranch, near Seminole Hot Springs 610 Comment
  UCR238471  Clematis lasiantha Orlando Mistretta, Christine Mistretta 2008-5-5 2654 Los Angeles Transverse Ranges; San Gabriel Mountains, Southern California Edison transmission line corridor (Segment 11, Impact Area 17 per TRTP Survey 2008), in the vicinity of Millard Canyon 628 Comment
  RSA386250  Clematis ligusticifolia Freda Detmers 1928-10-17 s.n. Los Angeles Stream side, Verdugo Woodlands Comment
  UCR146693  Clematis ligusticifolia Scott D. White 2004-8-20 10739 Los Angeles San Gabriel Mtns, Upper Big Tujunga Canyon: south of Upper Big Tujunga Canyon. Road, c. 4 air mi NW of the junction with Angeles Crest Hwy 1159 Comment
  RSA5988  Clematis ligusticifolia var. californica Carl B. Wolf 1932-9-13 4061 Los Angeles Bryant Ranch. 350 ft. south of north boundary. 5 Comment
  CAS-BOT-BC92813  Clematis pauciflora Moxley; Grimmell 1916-6-16 503 Los Angeles Santa Susanna Mountains. Comment
  RSA138242  Cleome isomeris P. H. Raven 1959-3-15 13845 Los Angeles Along shore east of Zuma Beach, Point Dume 9 Comment
  RSA592409  Cleome isomeris Mark Hoefs 1973-3-13 75 Los Angeles Santa Catalina Island; Avalon Canyon on rocky hillside below Memorial Garden. 168 Comment
  RSA6069  Cleomella obtusifolia C. B. Wolf 1932-9-15 4086 Los Angeles About 2 blocks west of center of town of Lancaster. Antelope Valley, Mojave Desert. Comment
  CATA3156  Clinopodium douglasii Amy Catalano 2016-6-14 143 Los Angeles Santa Catalina Island: West of second bridge on Middle Ranch Road 231 Comment
  POM294589  Collinsia heterophylla Lyman D. Benson 1945-5-11 11694 Los Angeles Canyon below Johnson's Pasture, Claremont. 549 Comment
  POM68645  Collinsia heterophylla Marcus E. Jones 1924-5-16 s.n. Los Angeles Stoddard Canyon Comment
  UC26567  Collinsia heterophylla Harley P. Chandler 1897-5-5 Los Angeles Claremont 365 Comment
  RSA408343  Collinsia heterophylla I. M. Johnston 1917-7-1 1750 Los Angeles Near Brown's Flat in Fern Canyon. 1280 Comment
  RSA80170  Collinsia heterophylla F. W. Peirson 1921-6-21 4492 Los Angeles west fork of San Gabriel River 762 Comment
  SFV17367  Collinsia parryi J. N. Hogue, D. L. Bishop 1998-5-28 110 .2 Los Angeles San Gabriel Mountains Arroyo Seco near Switzer's Picnic Area. 976 Comment
  UCR191525  Collinsia torreyi R. G. Swinney 1998-7-8 6339 Los Angeles San Gabriel Mountains, northwest of Wrightwood, western half of Jackson Flat 2280 Comment
  RSA573453  Conium maculatum T. S. Ross 1992-6-15 6559 Los Angeles Whittier Hills (local name for the western extremity of the Puente Hills): upper end of Turnbull Canyon. 294 Comment
  CATA3341  Convolvulus arvensis Amy Catalano, Julie King 2016-5-24 122 Los Angeles Santa Catalina Island: Quail Valley, on hillside outside E side of fenced yard, W-facing slope 138 Comment
  RSA0042774  Convolvulus arvensis Harold L. Pirie 1963-5-7 s.n. Los Angeles On Pierce College Campus, Woodland Hills. 243 Comment
  RSA0043296  Convolvulus cyclostegius A. Lee Haines 1970-6-24 s.n. Los Angeles Pt. Dume Comment
  LA37425  Conyza canadensis Elizabeth McClintock; 1943-9-10 sn Los Angeles Santa Monica Mountains, Westwood Blvd, UCLA campus Comment
  RSA628365  Conyza coulteri Steven A. Junak 1997-10-28 sci- 981 Los Angeles San Clemente Island, along N side of San Clemente Island Ridge Road, just N of Triangulation Point Rest, between the forks of Mosquito Canyon 409 Comment
  RSA758719  Cordylanthus nevinii R. G. Swinney 2008-10-8 9542 Los Angeles Table Mountain West, north of Big Pines 2284 Comment
  RSA587499  Cordylanthus rigidus subsp. setiger Orlando Mistretta 1994-9-13 1463 Los Angeles San Gabriel Mountains; Santiago Canyon; Santiago Creek near jct. of Forest Road 4N20 and BM 3980. 1213 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
  RSA587603  Coreopsis bigelovii Orlando Mistretta, Steve Boyd, Darin Banks 1994-4-29 1146 Los Angeles Santiago Canyon. Near confluence with Little Rock Creek. 1067 Comment
  UCSC001211  Coreopsis bigelovii Peter Kamb 1947-3-16 s.n. Los Angeles Eastern Lovejoy Buttes, Antelope Valley 853 Comment
  CAS-BOT-BC287945  Coreopsis calliopsidea Carl B. Wolf 1937-4-28 8522 Los Angeles Western Mojave Desert. Antelope Valley, 3.6 miles S of Palmdale 853 Comment
  POM356023  Coreopsis gigantea M. B. Dunkle 1929-4-7 2117 Los Angeles White's Landing, Santa Catalina Island. Comment
  HSC5416  Corethrogyne filaginifolia W. H. Kinch 1954-9-30 20 Los Angeles San Antonio Canyon 2 mi. N of ranger station 610 Comment
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Dec 23 2013
  RSA127866  Corethrogyne filaginifolia Peter H. Raven, H. J. Thompson 1958-10-11 13755 Los Angeles Saddle Peak, Santa Monica Mountains. 823 Comment
  SBBG31135  Corethrogyne filaginifolia R. F. Thorne 1966-9-16 36723 Los Angeles Wrigley Drive above Pebbly Beach 45 Comment
  UC586862  Corethrogyne filaginifolia Joseph Andorfer Ewan 1934-8-11 8333 Los Angeles Chilao San Gabriel Mts. 1645 Comment
  POM48100  Corethrogyne filaginifolia var. filaginifolia I. M. Johnston 1924-8-13 s.n. Los Angeles Sunset trail, 1 mi. S of Sunset Peak 1584 Comment
  POM11628  Cornus californica J. H. Barber 1897-8-1 278 Los Angeles Santa Monica Expt. Station. Comment
  RSA654657  Coronilla glauca Matt Brooks 1988-5-12 65 Los Angeles Hacienda Heights, Athel Dr. 0.2 miles east of its intersection with Oak Canyon Dr. Comment
  UCR178053  Cotoneaster pannosus LeRoy Gross 2003-2-22 750 Los Angeles Transverse Ranges: Verdugo Mountains Region, South side; A short distance up mouth of Brand Canyon, south next to Brand Canyon Cemetery. North of the Debris Basin 287 Comment
  CAS-BOT-BC287261  Cotula australis Peter H. Raven 1962-4-1 17459 Los Angeles Rancho Santa Ana Botanic Garden 335 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
  RSA394755A  Cressa truxillensis A. M. Johnson 1933-5-17 4252 Los Angeles Del Rey Salt Marsh. Comment
  SBBG31153  Crocanthemum scoparium R. F. Thorne 1966-4-28 36252 Los Angeles Hay Press area [Haypress] 426 Comment
  SD106228  Crossosoma californicum K. Nakai 1980-3-23 565 Los Angeles Palos Verde Hill, Forrestal Drive Comment
  UCSB41835  Croton californicus Thompson, Don 1970-4-25 Los Angeles Junction of Haven and Wilson, 1 mi. W of Chaffey College 670 Comment
  SEINET12141352  Croton californicus J. F. Bright, Wyman, C. 1931-1 5833 Los Angeles Los Angeles Comment
  SFV2078  Croton setiger K. A. Wilson 1961-4-27 1164 Los Angeles San Gabriel Mountains Soledad Canyon. Base of small canyon adjacent to Bee Canyon. 610 Comment
  RSA608830  Crypsis schoenoides L. C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Soledad Canyon, Santa Clara River. 530 Comment
  SEINET2443025  Crypsis schoenoides R. G. Swinney 2008-9-9 9321 Los Angeles San Gabriel Mtns. Little Rock Creek, 0.2 mi north of Little Rock Reservoir.; 0 960 Comment
  LA202415  Crypsis schoenoides Arthur C. Gibson; Tarja Sagar 2005-9-2 5095 Los Angeles Comment
  SBBG131954  Crypsis vaginiflora S. A. Junak 2000-5-19 SCa 1305 Los Angeles Deer Valley Reservoir, E of Two Harbors 152 Comment
  UCR203207  Cryptantha R. G. Swinney 2005-5-21 8248 Los Angeles San Gabriel Mountains, west of Devil's Punchbowl County Park, at the junction of Holmes Creek and Watson Creek 1241 Comment
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Feb 19 2020
  UCR252564  Cryptantha R. G. Swinney 2010-6-21 13261 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.2 - 1.5 miles south of Placerita Canyon, in Los Pinetos Canyon, along Los Pinetos Trail 671 Comment
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Dec 7 2018
  OBI26280  Cryptantha Mark Schneider 1973-5-14 27 Los Angeles Tip of shalow island pl Sun Valley, Verdugo Mts 549 Comment
  RSA250599  Cryptantha barbigera R. F. Thorne, J. P. Simon, D. J. McGillivray 1970-4-17 39583 Los Angeles Mojave Desert: Edge of Angeles National Forest; Grandview Canyon. Ca. 5 miles south of Highway 138, ca. 10 miles southeast of Pearblossom. 1432 Comment
  RSA509594  Cryptantha circumscissa L. C. Wheeler 1967-7-24 9739 Los Angeles San Gabriel Mountains: Angeles National Forest: Indian canyon 701 Comment
  RSA0031373  Cryptantha clevelandii Steve Boyd, Lauren Raz 1997-5-29 9905 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail., Near 34 deg 44' 32.7''N 118 deg 38' 27.8''W 1158 Comment
  UC551793  Cryptantha clevelandii Ivan M. Johnston 1932-3-28 10620 Los Angeles hills between Del Rey and El Segundo 25 Comment
  RSA600586  Cryptantha corollata Steve Boyd, Lauren Raz 1997-4-30 9594 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
  LA31590  Cryptantha intermedia Henry J. Thompson; 1959-5-31 2048 Los Angeles Santa Monica Mountains, Decker Road 0.7 mi. S of Ventura-Los Angeles county line 426 Comment
  POM368252  Cryptantha intermedia A. Menke 1955-3-26 s.n. Los Angeles Point Dume. Comment
  RSA0092555  Cryptantha intermedia Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14322 Los Angeles San Gabriel Mountains: Little Santa Anita Canyon north of Sierra Madre, 150 m east of Mt. Wilson Trail on ridgetop 0.12 mi west of center of Sierra Madre Dam, 0.26 mi (64 degrees) NNW of the trailhead. 451 Comment
  RSA561576  Cryptantha intermedia Steve Boyd, Orlando Mistretta 1993-5-17 8145 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 793 Comment
  CHSC110476  Cryptantha micrantha var. lepida G. D. Wallace 2003-7-8 4028 Los Angeles Peninsular Ranges; San Jacinto Mountains region: Hidden Lake. Comment
  SFV20996  Cryptantha microstachys L. Gross 2003-5-4 820 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along east side of Brand Canyon a short distance above the large waterfall near above coordinates. Near level area above river bottom. 393 Comment
  UCR178899  Cryptantha microstachys R. G. Swinney 1989-5-20 s.n. Los Angeles San Gabriel Mtns, Glendora Wilderness Park, 1 mi. east of Glendora Mountain Road on Big Dalton Canyon Road 427 Comment
  POM211518  Cryptantha microstachys L. C. Wheeler 1934-4-24 2541 Los Angeles Liveoak Canyon Dam 457 Comment
  RSA762139  Cryptantha microstachys Orlando Mistretta, Christine Mistretta 2008-5-15 3065 Los Angeles Southern California Edison transmission line corridor (Segment 6, structure 75 per TRTP Survey 2008), W fork of the San Gabriel River, Shortcut Cyn. 1200 Comment
  UC78566  Cryptantha microstachys C. F. Baker May 1904 4779 Los Angeles near Claremont Comment
  UCSB5596  Cryptantha microstachys B., K. 1944-6-14 Los Angeles Near Tanbark Flat, San Dimas Experimental Forest, San Gabriel Mtns. 822 Comment
  POM71281  Cryptantha muricata Marcus E. Jones 1882-2-27 s.n. Los Angeles Pasadena. Comment
  UC1871275  Cryptantha muricata T. S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3996 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mtn: southerly slopes to the S and SW of the West Summit and ridge to its W. T7N R17W E 1/2 NE 1/4 sect 9. Elev ca 4560-5520 feet. [West Summit here construed as the 5605-foot knoll nr the intersection of sections 3,4,9,10] Comment
  RSA802426  Cryptantha muricata var. denticulata Orlando Mistretta, Cher Batchelor 2011-7-27 5996 Los Angeles Along Rincon Red Box Road (Forest Road 2N24) 1.2 air miles W of Monrovia Peak. 1366 Comment
  RSA0078911  Cryptantha muricata var. denticulata D. L. Crawford 1915-6-30 s.n. Los Angeles Bear Flats, Mts. above Claremont. 2134 Comment
  RSA0079411  Cryptantha muricata var. jonesii F. W. Peirson 1919-5-7 1024 Los Angeles South side of New York Drive, Altadena, (east of Hill Ave.). Comment
  RSA0079444  Cryptantha muricata var. muricata A. C. Sanders, Helen Kennedy 2005-4-13 29411 Los Angeles Western San Gabriel/Liebre Mtns. Region: Santa Clarita area, lower Mint Canyon at the community of Mint Canyon. 457 Comment
  RSA249776  Cryptantha similis R. F. Thorne, C. W. Tilforth 1973-4-20 42993 Los Angeles San Gabriel Mountains, Mojave Desert slope: 1 mile N of Bob's Gap, 3.2 miles S of Llano, N slope of Holcomb Ridge. 1143 Comment
  SEINET10625774  Cucurbita pepo Heidi H. Schmidt 1999-10-14 Schmidt 3875 Los Angeles City of San Gabriel. Hawaii Supermarket: 120 East Valley Boulevard: San Gabriel, CA: 91776: (626) 307-0062 - phone. 110 Comment
  CAS-BOT-BC224484  Cuscuta californica Le Roy Abrams 1900-8-1 1027 Los Angeles Ballona Harbor Comment
  UCD126255  Cuscuta californica Daryl Koutnik 1978-6-25 564 Los Angeles 1 mile south of Seminole Hot Springs on Mulhollad Highway. 335 Comment
  UCR205728  Cuscuta californica A. C. Sanders, T. B. Salvato, Mitch Provance 2009-5-28 37012 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
  UCR256232  Cuscuta californica R. G. Swinney 2010-6-4 13042 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area (formerly Placerita Canyon State Park), 0.3-0.9 miles east of Nature Center along bottom of Placerita Canyon 543 Comment
  RSA0048204  Cuscuta californica Carol Haines 1964-4-21 s.n. Los Angeles Santa Susanna Pass Road. 335 Comment
  RSA603178  Cuscuta californica var. californica L. C. Wheeler 1936-6-30 4197 Los Angeles E side San Dimas Canyon near dam 441 Comment
  RSA409743  Cuscuta denticulata Freda Detmers 1931-5-17 s.n. Los Angeles Mojave Desert. Comment
  RSA550693  Cuscuta indecora T. S. Ross, Annette H. Ross 1991-7-29 5706 Los Angeles Elephant Hill: N-most point of the Puente Hills, W Pomona. 229 Comment
  RSA269290  Cuscuta reflexa T. C. Fuller 1969-10-23 19021 Los Angeles California State College at Los Angeles, NW of the San Bernardino and Long Beach freeways Comment
  UCD126349  Cuscuta subinclusa Lewis S. Rose 1960-8-28 60086 Los Angeles Santa Monica Mountains, Coldwater Canyon. 335 Comment
  RSA608754  Cydonia oblonga Louis C. Wheeler 1963-10-6 8403 Los Angeles Altadena: 55 E. Pine Street. Comment
  UCR261629  Cylindropuntia californica var. parkeri R. G. Swinney 2010-4-1 12170 Los Angeles Hansen Dam Basin, within 200 meters east of Orcas Park, 50 meters north of stream channel of Big Tujunga Wash 331 Comment
  RSA5870  Cynodon dactylon C. B. Wolf 1932-9-16 4120 Los Angeles Bryant Ranch: west side of San Gabriel River Flood Control, S of 7th Street (Long Beach) 3 Comment
  SEINET10468126  Cynodon dactylon David B. Dunn 1947-7-20 Dunn 2992 Los Angeles Collected at 316 n avenue 50. Comment
  CATA1295  Cyperus eragrostis Mark L. Hoefs, Steven A. Junak, Janet Takara, Misty Gay 1995-7-14 2384 Los Angeles Santa Catalina Island: By upper Cape Canyon Reservoir 323 Comment
  RSA651582  Cyperus esculentus Robert Lloyd 1948-4-29 27 Los Angeles 3 1/2 miles east of Covina. 227 Comment
  RSA11496  Cystopteris fragilis H. E. Hasse, Davidson 1906-6-5 s.n. Los Angeles Big Rock Creek among the pines, 5000 ft. 1524 Comment
  UCR241704  Dactylis glomerata Dan S. Cooper 2012-9-6 912- 66 Los Angeles Los Angeles Basin, Culver City area, Baldwin Hills, Kenneth Hahn Park 137 Comment
  RSA233463  Datisca glomerata R. F. Thorne, M. Z. Thorne 1968-11-9 37858 Los Angeles along hwy on W slope of Mt. Islip 3.9 miles S of junction with Angeles Crest Hwy at Islip saddle. 1828 Comment
  RSA588158  Datisca glomerata Orlando Mistretta 1994-5-23 1245 Los Angeles Little Rock Creek. Drainage E of Creek and N of Forest Rd. 4N15 1220 Comment
  RSA608752  Datura stramonium Louis C. Wheeler 1963-10-4 8401 Los Angeles Los Angeles: Kerckhoff Estate, 734 W. Adams Blvd. Comment
  RSA79884  Datura stramonium Louis C. Wheeler 1933-12-12 2323 Los Angeles Behind San Dimas Canyon Dam. 412 Comment
  RSA596703  Datura wrightii Steve D. Boyd, Lauren Raz 1996-9-24 8929 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  UCD126634  Datura wrightii Gordon Pilone 1961-5-7 164 Los Angeles South of Santa Ana Botanic Gardens in Claremont. San Gabriel Mt. Range. 390 Comment
  UCR259130  Datura wrightii R. G. Swinney 2010-5-4 12534 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  RSA591670  Datura wrightii Louis C. Wheeler 1966-9-21 8885 Los Angeles San Gabriel Mountains. West side of mouth of west fork, San Gabriel Canyon, just downstream from bridge to east fork. 457 Comment
  RSA188228  Daucus pusillus R. F. Thorne, P. Everett 1965-6-22 34879 Los Angeles Santa Catalina Island. Upper portion of Avalon Canyon along roadside 274 Comment
  RSA574341  Daucus pusillus R. G. Swinney 1994-5-7 2827 Los Angeles Glendora Wilderness park, 0.4 mi N of Big Dalton Canyon Rd. at Mystic Canyon Trail. On ridgetop ca. 50 m E of Trail. 457 Comment
  UC1587223  Daucus pusillus Tim Ross, Orlando Mistretta, and Mike Hammitt 1991-5-20 5339 Los Angeles w. side San Clemente Isl. (between Box and Horse Canyons) 484 Comment
  CAS-BOT-BC130912  Deinandra clementina Katharine Brandegee s.n. Los Angeles Santa Catalina Id. Comment
  LA203721  Deinandra clementina Jonathan Sauer; D. Johnson 1969-5-10 4487 Los Angeles San Clemente Island, central west coast N of Eel Point Comment
  CAS-BOT-BC299319  Deinandra fasciculata Alice Eastwood 1915-8-25 4899 Los Angeles Duarte Comment
  LA200229  Deinandra fasciculata Carl Epling; 1935-5-18 sn Los Angeles Santa Monica Mountains, Topanga Canyon Comment
  LA200233  Deinandra fasciculata Dr. Woodhouse; 1940-5-26 sn Los Angeles Santa Monica Mountains, Franklin Canyon Comment
  SD69731  Deinandra fasciculata Robert F. Thorne 1966-4-28 36243 Los Angeles Santa Catalina; near junction of Wrigley Drive and Renton Mine Road. 105 Comment
  UCD131052  Deinandra fasciculata Justin Albert 1993-5-4 s.n. Los Angeles Santa Monica Mtns., Granada Hills, 1/4 mile from intersection of Balboa and Sesnon. On the left hand trail from the right fork. Located about 5m. off the trail, about 100 m. from the fork. Comment
  UCSB28390  Deinandra fasciculata Tanowitz, Barry 1974-8-24 Los Angeles Via de la Paz; 1 block from Sunset Blvd., Pacific Palisades Comment
  SEINET13387051 Image available Delairea odorata R. G. Swinney 2011-1 14081 Los Angeles San Gabriel Mountains: Arcadia Wilderness Park, north area of park, 2240 Highland Oaks Dr., lower Santa Anita Cyn. (Mt. Wilson 7.5' Q.) ( T1N R11W S15) 235 Comment
  POM123102  Delphinium cardinale H. E. Hasse 1890-06 s.n. Los Angeles [Unspecified] Comment
  UC1125913  Delphinium parishii subsp. parishii A. D. Gifford 1935-5-10 702 Los Angeles 3 1/2 mi sse Neenach; Tejon Quadrangle Comment
  UCR153976  Delphinium parryi A. C. Sanders, T. B. Salvato 2005-4-26 29750 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita, south of Plum Canyon at end of Canyon Crest Dr., NW of mouth of Mint Canyon 488 Comment
  RSA715344  Delphinium parryi subsp. parryi Anuja Parikh, Nathan Gale 2005-4-29 2109 Los Angeles Western Transverse Range: Newhall Ranch, River Park area east of I-5, N of Santa Clara River and west of Bouquet Canyon. 351 Comment
  RSA758068  Delphinium parryi subsp. parryi D. E. Bramlet, Jennifer Pareti 2008-5-6 4254 Los Angeles Ridgeline above Bouquet Cyn., 950m SE of Bouquet Cyn. Rd. and 1.61km N of Plum Cyn. 482 Comment
  POM306226  Delphinium parryi subsp. parryi Henry J. Ramsey, Henry J. Ramsey 1937-3-21 s.n. Los Angeles Altadena. Comment
  SBBG119603  Delphinium parryi subsp. parryi A. C. Sanders et al 2003-4-14 25982 Los Angeles ca. 0.4 N of Hwy 126, W of Castaic Crk and N of its confluence with the Santa Clara river, 0.6 mi S of Commerce Center Dr along Franklin Parkway 305 Comment
  RSA0106741  Delphinium patens subsp. hepaticoideum R. G. Swinney 2011-5-3 14566 Los Angeles San Gabriel Mountains: Newhall, Placerita Canyon Natural Area, 19152 Placerita Canyon Rd., Ecology Trail east of the Nature Center. 488 Comment
  RSA670422  Delphinium patens subsp. hepaticoideum I. W. Clokey, Bonnie C. Templeton 1929-04 4433 Los Angeles Mandeville Canyon, Santa Monica Mountains. 425 Comment
  UC311365  Delphinium patens subsp. hepaticoideum Marcus E. Jones, A. M. 1882-5-2 3204 Los Angeles Pasadena Comment
  SBBG77897  Dendromecon harfordii F. R. Fosberg 1931-4-13 4580 Los Angeles Renton Mine, Pebbly Beach 300 Comment
  UCR260791  Dendromecon rigida R. G. Swinney 2010-2-27 11733 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
  RSA748113  Descurainia pinnata R. G. Swinney 2008-5-8 8794 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
  RSA755837  Descurainia pinnata R. G. Swinney 2008-6-17 9045 Los Angeles Pinyon Ridge, 4.4 mi. north of Hwy 2 at Vincent Gap at Pinyon Ridge Motorway, 1.6 mi. west of peak 6535 1945 Comment
  SBBG72162  Descurainia pinnata R. Hoffmann 1929-5-19 Los Angeles Big Rock Crk Comment
  RSA37395  Dicentra ochroleuca George T. Hastings 1948-7-23 s.n. Los Angeles Santa Monica Mts, along Decker road 610 Comment
  RSA0110926  Dichelostemma capitatum R. G. Swinney 2011-6-7 15077 Los Angeles San Gabriel Mountains: summit of Mount Mooney, 0.4 air mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory. 1768 Comment
  UC1871177  Dichelostemma capitatum T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-29 4818 Los Angeles Transverse Ranges; Liebre Mountains region; Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. T4N R13W; W edge section 2, E and SE edge section 3, NNE edge section 10. Collected between 3670-4131 (summit) feet elevation. Comment
  UCR272605  Dichelostemma capitatum R. G. Swinney 2011-6-7 15055 Los Angeles San Gabriel Mountains, Chilao Flat, 26 road miles NE of I-210 Fwy at Hwy. 2 jct., at Horse Flat/Silver Moccasin Trail crossing of Chilao Creek 1585 Comment
  UCR277062  Dichelostemma capitatum R. G. Swinney 2011-6-7 15077 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCSB796  Dichelostemma capitatum subsp. capitatum McElwain, Isabelle 1953-4-5 Los Angeles 18000 Bull Canyon Rd.; Granada Hills 457 Comment
  CATA3404  Dimorphotheca fruticosa Julia A. Parish, Jaimie Choi, Stuart Olshevski 2017-3-10 017 Los Angeles Santa Catalina Island: Residence at junction of Airport Rd. and Renton Pass Rd (KBRT) 427 Comment
  SBBG66780  Diplacus fremontii L. Rowntree 1930-4-10 Los Angeles from Little Rock to Valyermo Comment
  SEINET202654  Diplacus fremontii Isabelle Tavare, Valera Brinson 1962-1 292 Los Angeles On Hwy 138, 26 mi E of Palmdale 1036 Comment
  CAS-BOT-BC150666  Diplacus rutilus Louis C. Wheeler 1936-6-12 4146 Los Angeles Monroe Canyon, San Gabriel Mts. 548 Comment
  CDA3679  Diplotaxis tenuifolia G. C. Fleischman 1955-6-22 Los Angeles Pasadena Freeway. 0 Comment
  CAS-BOT-BC195611  Distichlis spicata Peter H. Raven 1959-4-4 13980 Los Angeles Point Dume 21 Comment
  SBBG106915  Distichlis spicata M. L. Hoefs, R. F. Thorne, J. Takara 1995-7-25 2429 Los Angeles lower Buffalo Springs Reservoir 426 Comment
  UC1795542  Distichlis spicata I. Johnston 1917-5-13 Los Angeles El Monte Comment
  UC817161  Distichlis spicata F. R. Fosberg 1931-5-14 718 Los Angeles Middle Ranch Canyon, near mouth of Cape Canyon Comment
  SEINET4904067  Dodecatheon clevelandii C. E. 1925-1 6508 Los Angeles Griffith Park, Los Angeles Comment
  UCR181013  Dodecatheon clevelandii R. G. Swinney 1997-2-8 5405 Los Angeles San Gabriel Mtns., Fish Canyon, near the mouth of the San Gabriel River on Azusa-Duarte boundary, c. 1 mile north of trailhead in canyon 366 Comment
  RSA748800  Dodecatheon redolens R. G. Swinney 2001-8-11 8033 Los Angeles Lamel Springs on north slope of Mt. Baden-Powell, 1.5 miles south of Vincent Gap. 2375 Comment
  UCR150386  Draba corrugata L. C. Wheeler 1970-7-26 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains, N slope of Mount Hawkins Comment
  POM480  Draba corrugata var. corrugata I. M. Johnston, C. W. Tilforth, John Dourley 1917-7-4 1416 Los Angeles near summit of Baldy 2896 Comment
  POM175431  Drymocallis cuneifolia var. ewanii Joseph A. Ewan 1930-6-24 2674 Los Angeles N slope Mt Islip, San Gabriel Mountains 2287 Comment
  UC811823  Dryopteris arguta I. W. Clokey and E. G. Anderson 1935-5-9 6502 Los Angeles San Dimas Canyon Comment
  CAS-BOT-BC67947  Dryopteris arguta Henry J. Thompson; Peter H. Raven 1959-10-31 14726 Los Angeles Santa Monica Mountains - Mandeville Canyon 5.0 miles north of Sunset Boulevard 274 Comment
  RSA693690  Dryopteris arguta Elbert Benjamine 1929-2-10 8462 Los Angeles Arroyo Seco, above Pasadena 610 Comment
  UC2059996  Dudleya cymosa K. Nakai, D. Verity, J. Ross 1981-5-21 764 Los Angeles Santa Monica Mountains, ca. 0.6 mi SE of junction of Decker Road and Carlise Road. Comment
  CAS-BOT-BC428115  Dudleya cymosa subsp. cymosa Steve Boyd; Amber Maurice 2004-5-18 11324 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  LA105035  Dudleya cymosa subsp. ovatifolia Peter H. Raven; Henry J. Thompson 1960-5-7 15325 Los Angeles Santa Monica Mountains, Arroyo Sequit, upper Arroyo Sequit 243 Comment
  CLARK-A1528-1135  Dudleya saxosa subsp. aloides John C. Roos 1947-5-17 3625 Los Angeles Placerita Canyon Comment
  CAS-BOT-BC109726  Dudleya virens subsp. insularis K. Nakai 1978-1-22 209 Los Angeles Point Vicente, Palos Verdes Hill. 6 Comment
  UCR17826  Dysphania multifida O. F. Clarke 1972-10-4 s.n. Los Angeles San Gabriel Valley, Pomona 275 Comment
  LA8528  Echinochloa colona Don P. Mullally; 1950-7-21 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. S of arroyo bridge. 121 Comment
  HSC9649  Echinochloa crus-galli John Warner Hosking 1964-10-23 Los Angeles Foster A. Begg School, Manhattan Beach. Comment
  UCR219907  Echinochloa crus-galli R. G. Swinney, Jane Strong 2009-4-21 10413 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa/Duarte, San Gabriel Canyon wash, 0.4-1.0 mi. north (upstream) of Puente Largo bridge 218 Comment
  UCSB382  Echinochloa crus-galli T., S.; B., K. 1943-8-13 Los Angeles East Fork of San Dimas Canyon; San Dimas Experimental Forest, San Gabriel Mountains Comment
  CDA29082  Ehrharta erecta Michael O Brien 2009-1-18 s.n. Los Angeles La Piedra State Beach. 0 Comment
  POM184662  Eleocharis radicans L. C. Wheeler 1932-9-19 1388 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  CAS-BOT-BC221835  Eleusine indica E. Braunton 1907-8-1 s.n. Los Angeles Verduga Hills bordering Tujunga Wash Comment
  UC814653  Elodea canadensis Louis C. Wheeler 1933-12-13 2325 Los Angeles San Dimas Canyon Dam; San Gabriel Mts. 411 Comment
  CAS-BOT-BC203832  Elymus X hansenii Geo. B. Grant 1906-6-16 6793 Los Angeles Summit Mt. Wilson, Pasadena 1828 Comment
  UCR200039  Elymus condensatus Valerie Soza, B. Hogshead 2003-4-23 1645 Los Angeles Transverse Ranges; Verdugo Mountains, Brand Park, Brand Canyon 457 Comment
  CAS-BOT-BC227504  Elymus elymoides Victor Duran 1933-7-9 3506 Los Angeles Horse Flats, San Gabriel Mts. 1676 Comment
  POM365338  Elymus glaucus F. R. Fosberg 1931-4-23 S- 4700 Los Angeles Cape Canyon, Santa Catalina Island. 240 Comment
  RSA188521  Elymus glaucus subsp. glaucus R. F. Thorne, John Olmsted 1965-8-26 35385 Los Angeles San Gabriel Mountains: Angeles National Forest, Camp Lupine near Prairie Fork 2012 Comment
  RSA0105971  Elymus hispidus R. G. Swinney 2011-7-8 15509 Los Angeles San Gabriel Mountains: Camp Colby (Colby Ranch), the middle elevation (& smallest ) of three natural depressions at the north base of Strawberry Peak. 1171 Comment
  UCD62715  Elymus trachycaulus subsp. trachycaulus Louis C. Wheeler 1968-6-14 s. n. Los Angeles San Gabriel Mountains: Spring on north side of Blue Ridge by Guffy Camp. Comment
  IRVC28698  Elymus triticoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25479 Los Angeles Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals NE end of Santa Susana Mtns. 335 Comment
  UCR123629  Elymus triticoides A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-30 25479 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, Potrero Canyon just above old ranch buildings and corrals 335 Comment
  RSA598582  Emmenanthe penduliflora Louis C. Wheeler 1967-5-24 9716 Los Angeles San Gabriel Mountains. Indian Canyon Campground 823 Comment
  SFV15597  Emmenanthe penduliflora K. C. Molina, K. L. Garrett 1992-5-10 2 Los Angeles San Gabriel Mountains 4 km northeast Valyermo Ranger Station at Bob's Gap. Gravel hillside. 1200 Comment
  UCR219428  Emmenanthe penduliflora R. G. Swinney 2009-3-31 10228 Los Angeles Transverse Range; San Gabriel Mtns., mouth of San Gabriel Canyon, 1.2 mi. north of Foothill Blvd, Azusa/Duarte 183 Comment
  RSA781015  Encelia actoni R. G. Swinney 2009-5-13 10785 Los Angeles Bobs Gap, 3.7 miles south of Hwy 138 at Bobs Gap Rd., near Holcomb Ridge Rd. 1220 Comment
  UCSB11957  Encelia californica Stern, A. 1961-3-19 Los Angeles 1.2 miles west of Fryman Rd. Fire Rd. X9, Studio City, Hollywood Hills, Santa Monica Mts. Comment
  SEINET11859821  Encelia californica J. F. Bright, Wyman, C. 1931-5-22 5475 Los Angeles near Pasadena Comment
  UCR182723  Encelia farinosa R. G. Swinney 1998-2-16 5897 Los Angeles San Gabriel Mountains/San Gabriel Valley, mouth of San Gabriel River about 100-350 m north of Foothill Blvd., east bank 189 Comment
  LA202422  Encelia frutescens Jonathan Sauer; 1980-4-26 6093 Los Angeles San Gabriel Mountains, below Juniper Hills, N side of San Gabriel Mountains Comment
  UCR161206  Endolepis covillei T. B. Salvato, Melissa Clemons 2005-9-27 1233 Los Angeles West Mojave Desert, western edge of the Lancaster Sewage Disposal Ponds near the intersection of Hwy 14 and Avenue D, c. 4 miles SW of Rosamond (dry) Lake 704 Comment
  CDA745  Ephedra nevadensis G. D. Barbe, T. C. Fuller 1973-5-21 1392 Los Angeles Roadside field in SE corner of Pearblossom Hwy at Small Road, E of railroad overpass, 4 mi W of Four Points (junction with Hwy 138). Comment
  SEINET7047914  Ephedra nevadensis Steven R. Hill, Kate Kramer 2001-4-22 33363 Los Angeles North foothills of San Gabriel Mountains, Elizabeth Lake Road, 9.7 miles by road south-southwest of junction with Johnson Road, vicinity of Bee Canyon. Elevation about 1800 feet. Comment
  SD90408  Ephedra viridis Robert F. Thorne 1973-5-11 43499 Los Angeles Mojave Desert Slope, San Gabriel Mountains, Bob's Gap, Holcomb Ridge 1220 Comment
  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
  LA206170  Epilobium canum Louis C. Wheeler; 1931-9-26 160 Los Angeles SAN GABRIEL MOUNTAINS, 2 mi. N of Claremont. 411 Comment
  CAS-BOT-BC166190  Epilobium canum subsp. canum G. L. M. 1915-9-6 444 Los Angeles Above falls of Sawpit Canyon near Monrovia Comment
  CAS-BOT-BC166211  Epilobium canum subsp. canum Louis C. Wheeler 1931-9-26 160 Los Angeles 2 mi. N Claremont 411 Comment
  CAS-BOT-BC166267  Epilobium canum subsp. canum Louis C. Wheeler 1931-10-16 253 Los Angeles Sawpit Canyon, San Gabriel Mts. 304 Comment
  CAS-BOT-BC166268  Epilobium canum subsp. canum A. J. McClatchie 1893-8-16 s.n. Los Angeles Pasadena Comment
  RSA127420  Epilobium canum subsp. canum Peter H. Raven 1959-10-25 14696 Los Angeles Arroyo Sequit 1.6 miles north of Coast Hwy. 137 Comment
  RSA322909  Epilobium canum subsp. canum Reid V. Moran, R. M. Beauchamp, T. Oberbauer 1975-8-23 22691 Los Angeles San Clemente Island. Near mouth of Red Rock Canyon. 20 Comment
  RSA592649  Epilobium canum subsp. canum Mark Hoefs 1973-7-14 380 Los Angeles Santa Catalina: just east of Wrigley Botanic garden; upper Avalon Canyon. 107 Comment
  POM308134  Epilobium canum subsp. latifolium Henry J. Ramsey 1937-9-2 2941 Los Angeles 2 miles below Mt. Wilson. 1524 Comment
  RSA293437  Epilobium canum subsp. latifolium Reino Alava, R. C. Bacigalupi 1958-7-20 2208 Los Angeles San Gabriel Mountains, Angeles National Forest, Angeles Crest Highway (California Highway N 2), Kratka Ridge (upper slopes of Little Rock Creek Canyon) about 1 mile west of Cedar Springs. 2073 Comment
  UC1929652  Epilobium canum subsp. latifolium Mark Elvin, Michael Wall, Scott Koukol, Sylvia Engstrom 1996-9-11 355 Los Angeles Transverse Ranges; San Gabriel Mountains region: San Gabriel Mtns. Angeles National Forest. Glendora Ridge Road. Mile 10.2. Comment
  SD233891  Epilobium ciliatum Jennifer H. Jones 2006-5-17 306 Los Angeles Transverse Ranges; Foothills of San Gabriel Mtns.: Just in front of Claremont Wilderness Park. N end of Mills Avenue. 497 Comment
  UCR270122  Epilobium glaberrimum R. G. Swinney 2010-9-9 13794 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  HSC87173  Epipactis gigantea M. Hitchcock 1918-7-28 31 Los Angeles Pacoima Canyon Comment
  RSA0021018  Epipactis gigantea Duncan S. Bell, Caitlin Elam 2013-7-11 5365 Los Angeles Sheep Mountain Wilderness; eastern flanks of Mount Baden-Powell; collecting on a trail above Vincent Gulch. 1993 Comment
  RSA0082563  Epipactis gigantea R. G. Swinney 2010-6-23 13333 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
  CAS-BOT-BC57170  Equisetum hyemale subsp. affine Timothy S. Ross; Steve Boyd 1994-5-24 7841 Los Angeles Cottonwood Swamp: Confluence of San Francisquito Canyon stream and two tributaries draining off the southeast slopes 515 Comment
  SD19318  Equisetum hyemale subsp. affine F. Youngberg Apr 1934 Los Angeles San Dimas CaA'on Comment
  UC1971490  Equisetum hyemale subsp. affine Louis C. Wheeler 1973-7-15 s.n. Los Angeles SAN GABRIEL MOUNTAINS: Graveyard Canyon, second side canyon. Comment
  RSA609585  Equisetum hyemale var. affine L. C. Wheeler 1968-8-8 s.n. Los Angeles San Gabriel Mountains: About 1/2 mile downstream from trail camp in Devils Canyon. 1189 Comment
  RSA305032  Equisetum laevigatum R. L. Armacost 1968-5-14 2384 Los Angeles Santa Monica Mtns, behind Topanga Stove. Comment
  CAS-BOT-BC57756  Equisetum telmateia Geo. B. Grant 1904-4-1 406 Los Angeles Pasadena. Comment
  SBBG106906  Equisetum telmateia subsp. braunii M. L. Hoefs, R. F. Thorne 1995-7-26 2454 Los Angeles Middle Cyn, just below reservoir 169 Comment
  RSA612917  Equisetum telmateia var. braunii L. C. Wheeler 1931-8-27 29 Los Angeles San Dimas Canyon, San Gabriel Mts. 381 Comment
  RSA134718  Eragrostis cilianensis E. K. Balls 1959-6-10 23857 Los Angeles L.A. Co. On cultivated ground. Comment
  RSA0048583  Eremocarpus setiger P. R. Brown 1970-6-10 s.n. Los Angeles Pierce College Nature Center, Canon de Lana. Comment
  HSC95470  Eremogone macradenia var. arcuifolia Steve Boyd, L. Moore, M. Wall 1997-7-24 10024 Los Angeles Sumit of Liebre Mountain, saddle at head of N Fork Fish Canyon, N of Atmore Meadows and S of Oak Flat, along FS Rd. 7N23, 4.2 mi W of jct with 7N08. 1720 Comment
  UCR205245  Eriastrum R. G. Swinney 2005-8-15 8473 Los Angeles San Gabriel Mountains, Valyermo, Devil's Punchbowl County Park, near headquarters 1463 Comment
  CAS-BOT-BC514255  Eriastrum densifolium subsp. austromontanum G. B. Grant 1902-6-25 s.n. Los Angeles San Gabriel Canyon 457 Comment
  SEINET6349437  Eriastrum densifolium subsp. densifolium Elizabeth F. Sprague 1968-1 s.n. Los Angeles at Vincent, junc. of Hwy 14 & N3, S of Palmdale Comment
  UC23882  Eriastrum sapphirinum J. H. Barber 1897-6-22 168 Los Angeles San Fernando Valley Comment
  RSA0122865  Eriastrum sapphirinum subsp. brevibracteatum R. G. Swinney 2009-6-17 11180 Los Angeles Ridge north of Big Pine Hwy and Shoemaker Canyon, 1.2 air miles east of Big Rock Creek Rd. 1372 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
  POM359317  Ericameria cooperi Ralph Hoffmann 1931-4-20 s.n Los Angeles Lancaster Comment
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Jul 24 2010
  RSA0111941  Ericameria cooperi Richard G. Swinney 2011-4-19 14416 Los Angeles San Gabriel Mountains: San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  SBBG8330  Ericameria cooperi var. cooperi R. Hoffmann 1925-4-19 Los Angeles Antelope Valley Comment
  RSA590070  Ericameria linearifolia Orlando Mistretta 1994-3-30 984 Los Angeles Little Rock Creek, slopes E of creek below Little Rock Dam. 1158 Comment
  RSA679959  Ericameria linearifolia LeRoy Gross, Orlando Mistretta, Valerie L. Sosa 2003-5-13 855 Los Angeles Big Rock Creek, North and East of Valyermo Ranger Station, off Big Pines Highway 1143 Comment
  UCR239981  Ericameria nauseosa subsp. consimilis R. G. Swinney 2009-11-13 11608 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert, confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station 921 Comment
  CAS-BOT-BC299514  Ericameria palmeri var. pachylepis L. R. Abrams 1916-10-31 6364 Los Angeles Fremont's Pass near Newhall Comment
  UC1483335  Ericameria palmeri var. pachylepis Robert F. Thorne, D. Propst, and H. Hoefs 1974-9-12 45114 Los Angeles near Empire Landing; Santa Catalina Island 45 Comment
  RSA735586  Ericameria parishii K. Palenscar 2007-08 s.n. Los Angeles Peninsular Ranges, Chino Puente Hills region, in the City of Walnut, near the San Jose Hills, just N of the intersection of Breas River road, and Amar road. 262 Comment
  UC527677  Ericameria parishii var. parishii C. B. Wolf 1931-10-20 Los Angeles just below Padua Hills Theatre (above Claremont, w slope San Gabriel Mts.); San Gabriel Mts. 457 Comment
  RSA0102547  Ericameria parryi Richard G. Swinney 2010-9-30 13953 Los Angeles San Gabriel Mountains: 1.5 miles SW of Dawson Saddle, in S. Fork Big Rock Creek, from Hwy 2 (Angeles Crest Hwy) to 100 m (east) up canyon. 2305 Comment
  CAS-BOT-BC293148  Ericameria pinifolia C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile east of Pacoima Creek Bridge on the Tujunga to San Fernando Road 365 Comment
  IRVC28588  Ericameria pinifolia A. C. Sanders, Mark Elvin 2002-6-19 25183 Los Angeles Newhall Ranch, "Long Cyn." 1.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 335 Comment
  JEPS19140  Ericameria pinifolia Frank W. Peirson 1918-8-17 223 Los Angeles San Antonio Canyon San Gabriel Mountains, San Antonio Canyon 1371 Comment
  RSA16811  Ericameria pinifolia C. B. Wolf 1931-10-20 2469 Los Angeles 1/2 mile E of Pacoima Creek Bridge on the Tujunga to San Fernando Road. 366 Comment
  UCSB6731  Ericameria pinifolia Gill, Robert 1959-10-4 Los Angeles San Antonio Canyon; San Gabriel Mountain Range 1036 Comment
  UCR255469  Erigeron Dan S. Cooper 2014-5-23 514- 08 Los Angeles Los Angeles, Wilshire Blvd. at Valencia St. 98 Comment
  LA88390  Erigeron canadensis O. H. Kappler; 1943-9-12 536 Los Angeles Santa Monica Mountains, Arroyo Sequit 182 Comment
  SBBG112918  Erigeron canadensis S. A. Junak with K. Kirkland, M. Bushman 1998-10-21 SCa 813 Los Angeles above pier at W end of Moonstone Cove, along trail to White's Landing 18 Comment
  CAS-BOT-BC140640  Erigeron foliosus R. G. Swinney 2008-7-16 9244 Los Angeles San Gabriel Mtns.: Will Thrall Peak, west of Burkhart Saddle 2392 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
  RSA9662  Erigeron philadelphicus L. C. Wheeler 1934-3-19 2451 Los Angeles Damp silt in shade of willow, San Gabriel River. 73 Comment
  UCD119243  Eriodictyon crassifolium var. nigrescens Louis C. Wheeler 1946-8-27 6247 Los Angeles San Gabriel Mountains: Intersection of Angeles Crest Highway and Angeles Forest Highway on ridge between Arroyo Seco and Tujunga Canyon. Comment
  UCR271888  Eriodictyon crassifolium var. nigrescens R. G. Swinney 2010-4-28 12418 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  RSA0064141  Eriodictyon crassifolium var. nigrescens Marck Menke 2002-3-29 133 Los Angeles San Gabriel Mts., Glendora Mountain Road at a pullout on the north side of Glendora Mountain, southeast of the intersection with Glendora Ridge Road. Comment
  CAS-BOT-BC188090  Eriodictyon traskiae E. R. Blakley 1962-10-5 5430 Los Angeles Ne side of Black Jack Moutain, at junction of Island Road and White's Landing Road, Santa Catalina Island 381 Comment
  RSA141602  Eriodictyon traskiae Percy C. Everett 1960-9-28 24297 Los Angeles Catalina Island, N slope of Mt Black Jack, aong ridge road. 366 Comment
  RSA0068454  Eriodictyon trichocalyx R. G. Swinney 2010-3-30 12114 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway. 207 Comment
  RSA252952  Eriogonum cithariforme var. agninum Robert F. Thorne, Gary D. Wallace 1973-4-24 43426 Los Angeles Junction of Pallett Creek and Longview Roads: ca. 4 mi S of Pearblossom. 1174 Comment
  SEINET5329005  Eriogonum crocatum G. R. Campbell 1949-6-28 13995 Los Angeles Claremont, Rancho Santa Anna Bot. Gard. 9 OH 4/72 ? Comment
  POM2280  Eriogonum davidsonii I. M. Johnston 1917-7-3 1406 Los Angeles San Antonio Canyon 1829 Comment
  CAS-BOT-BC242779  Eriogonum davidsonii R. J. Dobbs 1927-6-29 7680 Los Angeles Trail to Strawberry Peak, 2 1/2 miles from Switzers 1127 Comment
  RSA393175  Eriogonum davidsonii Robert Gustafson, Gary D. Wallace 1982-4-26 2554 Los Angeles Bob's Gap Road, about 3 1/2 miles south of the junction with Pearblossom Hwy. 976 Comment
  SBBG125855  Eriogonum deflexum var. baratum A. Parikh, N. Gale 2010-6-2 3246 Los Angeles Sierra Pelona, 4 km W of State Hwy 14, 2.2 km SW of California Aqueduct; E Liebre Mts 1143 Comment
  RSA766448  Eriogonum elongatum Joseph A. Ewan 1927-9-20 1516 Los Angeles At roadside Higgins Canyon, Santa Monica Mts. Comment
  LA34234  Eriogonum elongatum var. elongatum Peter H. Raven; Henry J. Thompson 1959-9-27 14548 Los Angeles SANTA MONICA MOUNTAINS, Mulholland Hwy just E of Decker Rd. 548 Comment
  UC205955  Eriogonum elongatum var. elongatum D. L. Crawford Oct 1915 Los Angeles Mts. near Claremont Comment
  RSA393518  Eriogonum fasciculatum Ora M. Clark 1928-12-2 1319 Los Angeles N.E of Hollywood. Comment
  SEINET253235  Eriogonum fasciculatum Marcus E. Jones 1882-2-25 3019 Los Angeles Pasadena Comment
  UCR223206  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-7-22 11331 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Spring Campground, on South Fork Little Rock Creek 1585 Comment
  UCR239970  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 2009-11-18 11657 Los Angeles Transverse Range; San Gabriel Mountains, summit of Oracle Hill, 1 air mi. ESE of junction of Angeles Forest Hwy & Soledad Canyon 1310 Comment
  CAS-BOT-BC253204  Eriogonum fasciculatum var. fasciculatum Lewis S. Rose 1946-7-21 46221 Los Angeles N. end of Hollywood Reservoir 228 Comment
  CATA322  Eriogonum fasciculatum var. fasciculatum Mark L. Hoefs 1973-7-13 351 Los Angeles Santa Catalina Island: Between airport and Escondido, southeast side of main road 266 Comment
  LA99463  Eriogonum fasciculatum var. fasciculatum Hisao P. Arai; 1957-3-16 sn Los Angeles Santa Monica Mountains, Saddle Peak, near Saddle Peak 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
  RSA624994  Eriogonum fasciculatum var. foliolosum Louis C. Wheeler 1963-6-25 8265 Los Angeles San Gabriel Mountains: Pacoima Canyon (Ore Hill Prospect) 1/4 mile east of Dorothy Canyon. 915 Comment
  RSA650851  Eriogonum fasciculatum var. foliolosum Donald E. Miller 1948-5-2 s.n. Los Angeles Found in the hills back of Occidental College [Eagle Rock] Comment
  RSA657199  Eriogonum fasciculatum var. foliolosum Joseph M. Keefe 2001-1-19 30974 Los Angeles Verdugo Mountains: Big Tujunga Wash, 200 meters northwest of corner of Wescott Avenue and Grove Street, Sunland District, Los Angeles. 385 Comment
  RSA532644  Eriogonum fasciculatum var. polifolium Tim S. Ross 1991-8-14 5757 Los Angeles Roundtop Mountain. 1878 Comment
  RSA660835  Eriogonum fasciculatum var. polifolium Gerald Braden 1988-5-22 33 Los Angeles Strawberry Peak. Comment
  SBBG62069  Eriogonum fasciculatum var. polifolium R. Hoffmann 1927-6-8 Los Angeles near Sandberg's Comment
  UC1587669  Eriogonum fasciculatum var. polifolium Tim Ross 1991-8-14 5793 Los Angeles 3200 ft nw, Pacifico Mtn Rd Alder Saddle; San Gabriel Mountains, Chilao Flat USGS 7.5' quad. 1767 Comment
  CAS-BOT-BC253445  Eriogonum gracile Le Roy Abrams 1900-8-1 1050 Los Angeles San Gabriel Wash Comment
  UCR127661  Eriogonum gracile var. gracile A. C. Sanders, Mark Elvin 2002-6-18 25136 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, 'Sawtooth Ridge' area c. 1.5 mi. SE of Del Valle, north of Potrero Canyon, vicinity of bench mark 1533 518 Comment
  RSA612103  Eriogonum gracillimum Steve Boyd, Kent Hughes 1998-5-5 10186 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  RSA393211  Eriogonum grande var. grande M. B. Dunkle 1940-8-7 7612 Los Angeles San Clemente Island Comment
  SBBG12089  Eriogonum grande var. grande E. R. Blakley 1961-9-25 4747 Los Angeles between Isthmus Harbor and Fishermen's Cove 6 Comment
  RSA597733  Eriogonum maculatum Tim S. Ross, S. D. Boyd, Orlando Mistretta, Peter Fritsch 1990-6-22 3750 Los Angeles San Gabriel Mountains, Pinyon Ridge: Western half of ridge, between upper Little Rock Creek and San Andreas Rift Zone. 1707 Comment
  POM17605  Eriogonum microtheca var. corymbosoides P. A. Munz 1923-8-30 7661 Los Angeles San Gabriel Mountains, Swartout Valley. North of Big Pines. 2226 Comment
  CAS-BOT-BC268781  Eriogonum mohavense Roxana S. Ferris 1918-6-12 929 Los Angeles Lancaster Comment
  UCR270252  Eriogonum molestum R. G. Swinney 2011-10-10 15735 Los Angeles San Gabriel Mountains, east fork of Chilao Creek, 0.2 miles west of Angeles Crest Hwy., from north end of lower Charlton Flats Picnic Ground to 250 meters north/upstream 1585 Comment
  RSA634222  Eriogonum nudum var. pauciflorum Robert F. Thorne 1969-7-9 38490 Los Angeles Angeles National Forest: Table Mt. above Big Pines Ranger Station. 2119 Comment
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Aug 20 2013
  RSA579570  Eriogonum nudum var. westonii Tim S. Ross, S. D. Boyd 1994-9-20 8242 Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along Bouquet Canyon Road. 980 Comment
  LA30859  Eriogonum parvifolium Peter H. Raven; Jane Turner, Barbara Whitesel 1959-3-15 Los Angeles Point Dume Comment
  SEINET7248274  Eriogonum plumatella R. G. Swinney 2009-1 11609 Los Angeles Transvers Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  CAS-BOT-BC258232  Eriogonum pusillum Timothy S. Ross; Steve Boyd; Orlando Mistretta; Peter W. Fritsch 1990-6-22 3744 Los Angeles San Gabriel Mountains. Pinyon Ridge: Western half of the ridge, between upper Little Rock Creek and the San Andreas Rift Zone 1950 Comment
  POM19000  Eriogonum pusillum P. A. Munz 1923-8-31 7676 Los Angeles Ridge south of Swartout Valley, San Gabriel Mountains. 2576 Comment
  RSA636141  Eriogonum pusillum Robert F. Thorne 1974-4-9 44704 Los Angeles Bob's Gap in Holocomb Ridge. 1220 Comment
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Feb 7 2008
  UC77709  Eriogonum roseum C. A. Purpus 40068 Los Angeles Bear Creek 609 Comment
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Mar 8 2013
  CAS-BOT-BC267619  Eriogonum saxatile Victor Duran 1933-7-27 3538 Los Angeles Buckhorn, San Gabriel Mts. 1981 Comment
  POM124517  Eriogonum thurberi M. H. Fitch 1915-1 s.n. Los Angeles Wah Southeast of Pomona. Comment
  POM307843  Eriophyllum confertiflorum Henry J. Ramsey 1938-6-11 2731 Los Angeles Eaton Canyon Park. Comment
  RSA534022  Eriophyllum confertiflorum Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5274 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336' marker; 1800 ft SE of Malo Knoll (1396'). Upper portion of drainage. 305 Comment
  SD66908  Eriophyllum confertiflorum R. Mitchel Beauchamp 1967-3-18 298 Los Angeles San Clemente Island, on canyon slopes below Lemon Tank. Comment
  SDSU4089  Eriophyllum confertiflorum R. M. Beauchamp 1967-3-19 298 Los Angeles Canyon below Lemon tank; San Clemente Island. Comment
  JEPS17966  Eriophyllum confertiflorum var. confertiflorum George B. Rossbach 1955-6-20 532 Los Angeles Los Angeles Crest Highway (Route 2) about 2 mi n Mill Creek Summit (near Aliso Canyon Road) 1219 Comment
  POM54696  Eriophyllum confertiflorum var. confertiflorum C. F. Baker 1903-8-4 15689 Los Angeles San Antonio Canyon near Claremont Comment
  RSA660099  Eriophyllum confertiflorum var. confertiflorum Orlando Mistretta 1992-6-12 551 Los Angeles Transverse Ranges; San Gabriel Mountains region: Cow Canyon, (Road 2N29 EA- from Saddle to 2nd main drainage). Comment
  SBBG98537  Eriophyllum confertiflorum var. confertiflorum T. Ross 1991-5-21 5422 Los Angeles upper reaches of Box Cyn, SW side of island 365 Comment
  UC1080218  Eriophyllum confertiflorum var. confertiflorum Sherwin Carlquist 1952-5-2 316 Los Angeles hills at n end of Avalon; Santa Catalina Island, Avalon Comment
  UC577117  Eriophyllum confertiflorum var. confertiflorum Lewis S. Rose 1934-12-31 34535 Los Angeles Griffith Park , Los Angeles Comment
  RSA251467  Eriophyllum nevinii R. F. Thorne 1973-4-11 42829 Los Angeles San Clemente Island, upper part of Norton Canyon. 274 Comment
  RSA587259  Eriophyllum pringlei Orlando Mistretta 1994-5-13 1210 Los Angeles San Gabriel Mts; Little Rock Creek; slopes E of creek opposite confluence with Kitter Canyon. 1067 Comment
  RSA589259  Eriophyllum pringlei Timothy S. Ross 1991-4-27 4666 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145deg. SW of Three Sisters [buttes]. 1003 Comment
  UCR223025  Eriophyllum pringlei R. G. Swinney 2009-4-29 10617 Los Angeles Transverse Range; San Gabriel Mtns./Western Mojave Desert, Carr Canyon, 0.5-1.0 mi. east of Little Rock Creek confluence 963 Comment
  CDA4357  Erodium botrys L. C. Wheeler 1947-1-5 6564 b Los Angeles Arcadia: In parkway in center of Woodward Avenue between Baldwin Avenue and Oakwood Drive.. . 0 Comment
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 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, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA711439  Erodium cicutarium LeRoy Gross 2005-5-19 2299 Los Angeles South of Ave A (Kern County boundary) east of the 14 freeway. South of the city of Rosamond. between 20th Street West and Sierra Highway. Started at Ave A, Near 34.820450N, 118.16535W then walked south to 34.81703N, 118.16403W. 715 Comment
  UCR99460  Eruca sativa L. C. Wheeler 1955-4-12 7124 Los Angeles Chavez Ravine, Los Angeles. Vacant lot at Colonel and Adobe Street 101 Comment
  CSUSB514  Erysimum capitatum K. T. Ingram 1976-5-16 S. N. Los Angeles Angeles National Forest On Big Pine Highway, 1.9 miles from Angeles Crest Highway Comment
  OBI50368  Erysimum capitatum R. A. Oyler 1975-5-31 637 Los Angeles 1/4 mi up cyn from Lower San Antonio Range Station, San Antonio cyn 780 Comment
  UC136092  Erysimum capitatum C. F. Baker 1903-4-1 4121 Los Angeles hills near Claremont Comment
  RSA530309  Erysimum capitatum var. capitatum N. C. Cooper 1945-5-1 2185 Los Angeles Santa Monica Mtns 762 Comment
  RSA226212  Eschscholzia Gary D. Cromwell, David W. Wheat 1971-4-30 592 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains. 2 mi. NE of Glendora. 534 Comment
  RSA433638  Eschscholzia caespitosa Richard C. Barkelew 1929-5-5 s.n. Los Angeles Tujunga Canon Comment
  SD69712  Eschscholzia californica Robert F. Thorne 1966-4-28 36212 Los Angeles Santa Catalina Island, on talus from mine shaft above upper end of Renton Mine Road, Pebbly Beach Canyon. 274 Comment
  SEINET3480180  Eschscholzia californica Unknown 1939-7-10 131 Los Angeles Los Angeles, Los Angeles Comment
  UCR205081  Eschscholzia californica R. G. Swinney 2008-4-10 8628 Los Angeles San Gabriel Mtns., San Dimas Experimental Forest, Lodi Canyon, west of San Dimas Reservoir 463 Comment
  POM243801  Eschscholzia californica var. peninsularis F. R. Fosberg 1931-4-16 4650 Los Angeles Eagle Nest, Middle Ranch Canyon, Santa Catalina Island. 200 Comment
  UCR280693  Eschscholzia minutiflora R. G. Swinney 2014-4-10 16040 Los Angeles San Gabriel Mountains/Mojave Desert, SW of Littlerock, north foot of mountains on desert slope, south side of CA Aqueduct 100-400 m east of Cheseboro Rd. 921 Comment
  CAS-BOT-BC92215  Eschscholzia ramosa Peter H. Raven 1962-4-9 17165 Los Angeles San Clemente Island. Sides of small arroyo above Wilson Cove. 60 Comment
  RSA604202  Eucalyptus camaldulensis Louis C. Wheeler 1972-5-25 s.n. Los Angeles Cobb Estate. Comment
  SEINET12190727  Eucalyptus globulus W. R. Hamilton 1907-1 s.n. Los Angeles Long Beach Comment
  UC1204770  Eucalyptus viminalis Huron H. Smith 1912-3-16 4467 Los Angeles State Eucalyptus Exp. Station 91 Comment
  UCR276795  Eucrypta chrysanthemifolia R. G. Swinney 2011-3-29 14244 Los Angeles San Gabriel Mts., Lake View Terrace, Big Tujunga Wash, 0.2-1.0 miles east of I-210 Fwy, N side of river channel 366 Comment
  RSA529304  Eucrypta chrysanthemifolia Tim S. Ross 1991-4-8 4470 Los Angeles Elephant Hill: Western Pomona. 335 Comment
  UCSB12429  Eucrypta chrysanthemifolia Haines, A. 1962-4-3 Los Angeles Santa Monica Mountains; on Mulholland Drive, 1 mile west of Topanga Boulevard 365 Comment
  RSA75987  Eucrypta chrysanthemifolia var. chrysanthemifolia F. W. Peirson 1921-6-20 5303 Los Angeles North Fork of San Gabriel River 762 Comment
  SDSU14271  Eulobus californicus H. Wedberg 1966-4-3 1190 Los Angeles Chaparral slope burned in 1964, above Hill Dr. at Neal, in Eagle Rock. 312 Comment
  UCR282012  Euphorbia albomarginata R. G. Swinney 2014-5-8 16460 Los Angeles San Gabriel Mountains, near Lang, 50-100 meters SW of Soledad Cyn. Rd. at a curve, Santa Clara Wash and Bee Cyn. confluence 537 Comment
  RSA436005  Euphorbia crenulata Arthur B. Shepard 1933-3-22 s.n. Los Angeles Verdugo Woodlands, Glendale Comment
  UCR77311  Euphorbia esula Scott D. White 1992-10-8 878 Los Angeles Malibu, c. 0.5 mi. north of Pacific Coast Highway (= Hwy 1), near Malibu Creek. 164 Comment
  SEINET3282756 Image available Euphorbia helioscopia A. C. Sanders, T. B. Salvato 2009-5-20 36876 Los Angeles San Gabriel Valley; Whittier Narrows Recreation Area near Legg Lake, under SCE powerlines east of Rosemead Blvd. (Hwy 19) and west of Santa Anita Ave. 66 Comment
  RSA602210  Euphorbia helioscopia L. C. Wheeler 1945-6-10 6066 Los Angeles South El Monte: Between Rio Hondo and San Gabriel Rivers, between Repetto and Punte Hills. Siphon Road, 1/4 Mile east of Durfee Avenue. Comment
  UCR124362  Euphorbia peplus B. C. Templeton 1929-12-10 1445 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 250 Comment
  UCR260030  Euphorbia peplus R. G. Swinney 2010-4-21 12325 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  RSA617156  Euphorbia peplus Scott D. White 1996-4-13 3930 Los Angeles Geneva Avenue: N of San Jose, S of Arrow Highway, W of Indian Hill, E of Towne. 323 Comment
  UC57509  Euphorbia spathulata J. H. Barber 1897-6-2 163 Los Angeles Santa Monica Forestry Station Comment
  RSA607706  Euthamia occidentalis Scott D. White 1997-11-5 6020 Los Angeles Mouth of Zuma Creek, E end of the County Beach. 8 Comment
  UCR178384  Festuca arundinacea LeRoy Gross, Michael Denslow 2003-6-4 990 Los Angeles Transverse Ranges; San Gabriel Mountains region, Islip Saddle parking lot, off Angeles Crest Highway and intersection with Highway 39, near trailheads for Mt. Williamson and South Fork Big Rock Creek 2012 Comment
  CATA1591  Festuca bromoides Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2861 Los Angeles Santa Catalina Island: Road to Toyon Beach 182 Comment
  UCSB9226  Festuca bromoides Albright, S. 1957-5-27 Los Angeles UCLA Campus; Faculty Hill 91 Comment
  UCR277064  Festuca microstachys R. G. Swinney 2011-6-7 15075 Los Angeles San Gabriel Mountains, summit of Mount Mooney, 0.4 air-mile east of Angeles Crest Hwy & 0.5 mile north of jct. of Angeles Crest Hwy & entrance to Charlton Flats, 0.32 mi. WNW of Mt. Mooney Rd. jct. with rd. to Stony Ridge Observatory 1780 Comment
  UCR90817  Festuca microstachys A. C. Sanders, G. K. Helmkamp 1996-3-24 18019 Los Angeles Mojave Desert, Ave. 'J', 3.3 mi west of 240th St. E, just NE of Saddleback Butte. 890 Comment
  CAS-BOT-BC154072  Ficus rubiginosa A. C. Sanders; Lee Jones 2005-4-8 29373 Los Angeles South Coast: Palos Verdes Peninsula, old Marineland site on Long Point and bluffs toward Pt. Vicente 43 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
  RSA616311  Filago californica Scott D. White, Pam De Vries 1998-4-20 6308 Los Angeles Liebre Mts., Soledad Canyon area: Proposed quarry area N of Soledad Canyon Rd., S of I-14 freeway, E of Bee Canyon and W of Agua Dulce Canyon. 580 Comment
  SEINET13383110 Image available Filago californica R. G. Swinney 2010-1 12110 Los Angeles San Gabriel Mountains: Duarte, Van Tassel Canyon, 10-300 meters west of Fish Cyn. Rd., between Van Tassel channel and Van Tassel Motorway 207 Comment
  UCR200020  Filago californica Valerie Soza, Mariam Sidibeh 2003-3-26 1611 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Ridge Motorway off Camino San Rafael, southwest of Emerald Isle Drive and Camino San Rafael junction, above Mayors Bicentennial Park 579 Comment
  RSA639247  Filago californica R. F. Thorne, M. Z. Thorne 1971-4-25 41342 Los Angeles San Gabriel Mountains: Johnson's Pasture north of Claremont. 609 Comment
  RSA589204  Filago depressa Timothy S. Ross 1991-4-27 4668 Los Angeles Mojave Desert: Black Butte Basin Road; 2.75 miles and ca. 145 deg SW of Three Sisters [buttes]. 1003 Comment
  RSA518029  Filago depressa Steve Boyd 1986-3-31 1578 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UC1123329  Forestiera pubescens G. T. Nordstrom 1935-5-11 582 Los Angeles 2 mi nw Mouth of Liebre Gulch; Santa Barbara National Forest, Tejon Quad. 792 Comment
  NY43176  Frankenia salina J. B. Walker 1995-6-7 1443 Los Angeles Santa Catalina Island, at Little Harbor 2 Comment
  UC729777  Frankenia salina Carl B. Wolf 1932-5-12 Los Angeles Little Harbor Santa Catalina Island 3 Comment
  JEPS42939  Fraxinus velutina Frank W. Peirson 1921-6-20 2459 Los Angeles West Fork San Gabriel River San Gabriel Mountains 457 Comment
  RSA0048379  Fremontia californica E. Gooley 1968-5-20 s.n. Los Angeles n3, Aliso Canyon Road, San Gabriel Mountains. 1066 Comment
  POM50749  Fremontodendron californicum A. D. E. Elmer 1902-06 3686 Los Angeles Acton, Mt. Gleason. Comment
  RSA747402  Fremontodendron californicum subsp. californicum R. G. Swinney 2008-6-4 8946 Los Angeles Devils Punchbowl Co. Park, 0.5 mi. north of park headquarters in headwaters of Sandrocks Canyon 1402 Comment
  UC634773  Fremontodendron californicum subsp. californicum Margaret Stason 1927-5-14 Los Angeles San Gabriel Mountains, Pinyon Ridge Pinyon Ridge; San Gabriel Mountains, Pinyon Ridge Comment
  CAS-BOT-BC130251  Fritillaria biflora Grant 1901-3-10 3476 Los Angeles Pasadena, San Rafael Ranch Comment
  RSA367721  Fritillaria biflora Geo L. Moxley 1914-2-15 204 Los Angeles Hills n.w. of Highland Park Comment
  CDA23811  Froelichia gracilis George Garrettson 1955-6-23 Los Angeles Santa Fe Rwy., San Dimas. 0 Comment
  SDSU9311  Galium angustifolium A. H. Gallup 1948-4-9 132 Los Angeles 'The Wash' Claremont. 366 Comment
  RSA652698  Galium angustifolium Phillip Robinson 1991-5-19 367 Los Angeles Sycamore Canyon 0.25 miles south of intersection of Beverly Blvd and Workman Mill Road. 1.5 miles east of Workman Mill Rd on trail into Canyon. [City of Industry, sw of Rio Hondo College, east of 605 Fwy] Comment
  RSA545320  Galium angustifolium subsp. angustifolium Tim S. Ross 1992-5-17 6343 Los Angeles San Gabriel Mountains: center W side of the San Gabriel Reservoir; short easterly spur canyon along Highway 39. 463 Comment
  UCR271527  Galium angustifolium subsp. angustifolium R. G. Swinney 2011-5-31 14902 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  UC888744  Galium aparine F. R. Fosberg 1931-4-15 S 4613 Los Angeles Eagle's Nest Santa Catalina Island, Middle Ranch Canyon 180 Comment
  UCR96146  Galium aparine B. G. Pitzer 1996-4-20 2705 Los Angeles Western Mojave Desert, Antelope Valley, north side of Hwy 138 (Ave. 'D'), c. 2 mi. west of Neenach (c. 30 mi. west of Hwy 14) 915 Comment
  POM50546  Galium aparine L. R. Abrams 1901-4-5 1347 Los Angeles San Fernando Mts. Comment
  CAS-BOT-BC217467  Galium catalinense L. R. Abrams; I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing, Santa Catalina Island Comment
  CAS-BOT-BC217468  Galium catalinense Dr. Barton W. Evermann 1918-3-25 s.n. Los Angeles San Clemente Island Comment
  CATA1021  Galium catalinense Mark L. Hoefs 1995-5-4 1938 Los Angeles Santa Catalina Island: Near road between Cherry Valley and Howlands Landing 91 Comment
  SBBG130718  Galium catalinense S. A. Junak 2000-5-6 SCa 1281 Los Angeles just N of Upper Quarry Rd, ca. 2.4 mi W of jct with rd to housing at Empire Landing 289 Comment
  UC1302357  Galium catalinense Robert F. Thorne and P. C. Everett 1964-2-6 33299 Los Angeles n-facing slope ca. 1/2 mi above Fourth of July Cove; Santa Catalina Island 30 Comment
  UC483360  Galium catalinense L. R. Abrams and I. L. Wiggins 1931-7-4 317 Los Angeles White's Landing Channel Islands, Santa Catalina Island Comment
  SBBG96667  Galium catalinense subsp. acrispum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4263 Los Angeles lower half of China Cyn Comment
  SD52882  Galium catalinense subsp. acrispum Peter H. Raven 1962-5-7 17583 Los Angeles San Clemente Island, just above coast 1 mile south of Wilson Cove 74 Comment
  UC557738  Galium catalinense subsp. acrispum Nell Murbarger March, 1936 70 Los Angeles e coast of island San Clemente Island Comment
  UC2030053  Galium grande V. Soza, Samantha Tessel 2001-6-18 1282 Los Angeles Transverse Ranges, San Gabriel Mountains region: Upper Winter Creek Trail, above Santa Anita Canyon, ca. 0.3 mile from trailhead out of Chantry Flat area. Comment
  UCR25131  Galium hallii John C. Roos 1951-7-30 5074 Los Angeles San Gabriel Mtns., Big Rock Creek, north of Mt. Baden Powell 1982 Comment
  SBBG41336  Galium nuttallii subsp. insulare M. R. Benedict 1970-6-30 Los Angeles ca. 0.5 mi W of Eagles Nest Comment
  RSA454438  Galium parishii L. E. Hoffman 1932-10-2 s.n. Los Angeles San Gabriel Mountains, Angeles National Forest: Mt. Baldy. Comment
  POM296442  Galium porrigens var. porrigens Lyman D. Benson 1945-3-30 11651 Los Angeles Canyon at Padua Hills above Claremont. 549 Comment
  UCR47500  Galvezia speciosa D. C. Michener, R. M. Beauchamp 1982-9-25 4092 Los Angeles Channel Islands, San Clemente Island: Wilson Cove canyon 46 Comment
  UCR149808  Gamochaeta pensylvanica Scott D. White 2004-4-23 10230 Los Angeles Los Angeles Basin, City of Pasadena. Arroyo Seco at La Loma Road bridge crossing. 213 Comment
  RSA91717  Gamochaeta pensylvanica F. W. Peirson 1918-03 1314 Los Angeles At Altadena. Comment
  LA205403  Garrya flavescens J. Sauer; R. Gibson 1971-5-1 4880 Los Angeles Piru Creek, Bailey Flats, site of the future Pyramid Reservoir Comment
  CAS-BOT-BC158046  Garrya veatchii I. M. Johnston 1918-5-19 1983 Los Angeles San Antonio [Canon] Canyon (Kerkhoff Grade) Comment
  UC1122724  Garrya veatchii P. L. Johannsen 1934-1-30 258 Los Angeles 2-3 mi nw Saddle Peak; Calabasas Quad. 304 Comment
  UCR193993  Gayophytum R. G. Swinney 1998-8-13 6748 Los Angeles San Gabriel Mtns., summit of Iron Mountain 2427 Comment
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May 1 2012
  RSA0105745  Gayophytum diffusum subsp. parviflorum R. G. Swinney 2011-7-7 15432 Los Angeles San Gabriel Mountains: Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1220 Comment
  RSA113813  Gayophytum heterozygum Harlan Lewis 1957-6-21 1105 Los Angeles San Gabriel Mts., 1 mile up road from Upper Chilao Recreation Area, Angeles Crest Highway. Comment
  RSA228968  Gayophytum heterozygum Robert F. Thorne 1971-8-25 41330 Los Angeles San Gabriel Mountains, Angeles National Forest: near Pine Hollow Picnic Area along Angeles Crest Highway 2256 Comment
  RSA72137  Gayophytum heterozygum F. W. Peirson 1921-7-3 2483 Los Angeles San Gabriel Mts., upper trail, Vicent Gulch. 1982 Comment
  RSA776386  Gayophytum oligospermum Orlando Mistretta, Christine Mistretta 2010-6-14 5319 Los Angeles upper Big Tujunga canyon, 1.93 road miles E of junction with Angeles Forest Hwy. 1040 Comment
  UCR258496  Gazania linearis R. G. Swinney 2010-3-10 11812 Los Angeles San Gabriel Mountains, NW Sylmar, 1/4 mile north of I-210 Fwy, c. 150 meters west of Filbert St. 427 Comment
  UC1587624  Geranium carolinianum Tim Ross 1991-4-21 4519 Los Angeles Middle Turnbull Canyon drainage, just sw of old water tank, Whittier Hills (Puente Hills, pro parte) Whittier Hills, Puente Hills 219 Comment
  SD132378  Geranium robertianum Alfred R. Roos 1958-6-3 Los Angeles In lathhouses and elsewhere on the grounds of Evans and Reeves Nursery; Brentwood, West Los Angeles. Comment
  RSA0110537  Gilia R. G. Swinney 2010-6-1 13138 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
  SEINET3246000  Gilia R. G. Swinney 2009-1 10838 Los Angeles Transverse Range; San Gabriel Mtns.: Pechner Canyon, SE of community of Juniper Hills. 446 Comment
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Dec 7 2018
  UCD168209  Gilia J. W. Barry May1980 s.n. Los Angeles Hungry Valley SVRA. (Exact location unknown. This park is mostly in Los Angeles county, but also includes parts of Ventura and Kern counties. Coordinates estimated by the label maker.) Comment
  RSA657286  Gilia angelensis Greg Burchett, Lisa Kegarice, Curtis Clark 1992-5-26 92 -18 Los Angeles Santa Clara River west from I-5 to trailer park. Comment
  SD45607  Gilia angelensis Darley F. Howe 1953-5-2 2275 Los Angeles Wain Canyon, Catalina Island. Comment
  UCR178918  Gilia angelensis R. G. Swinney 1989-4-15 s.n. Los Angeles San Gabriel Mtns., Glendora Regional Wilderness Park, Big Dalton Canyon 1.2 mi. east of Glendora Mountain Road 396 Comment
  SD231369  Gilia brecciarum subsp. brecciarum Sula Vanderplank, Leroy Gross & Steve Hoskinson 2005-5-6 50506 15 Los Angeles Transverse Ranges; San Gabriel Mountains region; off Big Pines Hwy (Road N) on the N side of the San Gabriel Mountains. Near Shoemaker Canyon. Along ridge, wash and roadside. 1444 Comment
  UCR281173  Gilia brecciarum subsp. brecciarum R. G. Swinney 2014-4-23 16157 Los Angeles San Gabriel Mountains/Mojave Desert, east of Valyermo, 3.1 miles south of Hwy. 138 on Bobs Gap Rd. (165th St. E), 100-400 m. west of 165th St., north slopes of Holcomb Ridge, extreme north foot of mountains 1256 Comment
  UCR145946  Gilia capitata Orlando Mistretta 1995-6-23 1835 Los Angeles Transverse Ranges; San Gabriel Mountains region, San Gabriel Mountains: Lookout Mt. Trail; Orobanche valida survey 1921 Comment
  LA206506  Gilia capitata subsp. abrotanifolia Doris Daw; 1940-5-7 2 Los Angeles Elizabeth Lake Comment
  RSA67076  Gilia capitata subsp. abrotanifolia Alva Grant, Verne Grant 1951-6-3 16007 Los Angeles On south slope of Cow Canyon, 1.9 mi W of jct. with San Antonio Canyon Road. 1372 Comment
  RSA682665  Gilia capitata subsp. abrotanifolia LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1083 Los Angeles North side of mountains: South of Hostetter Motorway (On the Thomas guide) just off La Tuna Canyon Road, south of and you can see the 210 freeway. 556 Comment
  UCSB33711  Gilia capitata subsp. abrotanifolia Griesel, Wesley 1962-4-29 Los Angeles Arroyo Seco near Brookside Park, Pasadena 365 Comment
  RSA652599  Gilia latiflora Orville Armstrong 1949-5-1 s.n. Los Angeles 5 mi. south of Vincent 1067 Comment
  UCR4033  Gilia latiflora Val Chase 1965-4-12 39 Los Angeles Mojave Desert, 2 mi north of Pinyon Hills on road from Cajon to Palmdale (Hwy 138), roadside to the west 1220 Comment
  CAS-BOT-BC226316  Gilia latiflora subsp. davyi Alva Day 1973-4-23 73 -104 Los Angeles Hwy 138, 5 mi. W. of Los Angeles County line, just west of aqueduct Comment
  CAS-BOT-BC226320  Gilia latiflora subsp. davyi C. W. Tilforth; J. Dourley; W. Wisura 1978-4-17 1535 Los Angeles Jct. of Hiway 168 and 165 St., 3 1/2 miles east of Pearblossom & c. 3 1/2 air miles north of Bob's Gap Comment
  RSA469413  Gilia latiflora subsp. davyi Christopher Davidson 1975-5-25 2558 Los Angeles 3.8 mi NE of Old Ridge Route (8N04) on rd 7N23 to Liebre Mtn., ca. 0.7 mi past Sandberg Pk. Angeles Nat. For. 1692 Comment
  RSA755930  Gilia latiflora subsp. davyi Orlando Mistretta, Christine Mistretta 2008-4-10 2408 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  UC1377643  Gilia latiflora subsp. davyi John Ingram and Arlynn Ingram 1960-3-31 277 Los Angeles along California State Highway 138 about 10 mi e Pearblossom (Mojave Desert); , e of Pearblossom Comment
  UCR177784  Gilia latiflora subsp. excellens LeRoy Gross 2005-4-28 2168 Los Angeles San Gabriel Mountains, Ridgeline to Mt. Emma and canyon south of this ridge. W from Mt. Emma (NW trending ridge, lower part of ridgeline starts to turn SW) east of Mt. Emma Rd 1413 Comment
  UC908839  Gilia latiflora subsp. latiflora Herbert L. Mason 1926-4-26 3004 Los Angeles Little Rock Creek Mohave Desert, Little Rock Creek Comment
  RSA729711  Gilia leptantha subsp. transversa R. G. Swinney 1999-6-18 7308 Los Angeles San Gabriel Mtns.; Big John Flat, northern edge 1652 Comment
  UCR89941  Gilia minor Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  SEINET12278755  Gilia multicaulis Unknown 1933-1 8493 Los Angeles in desert valley near Los Angeles Comment
  CAS-BOT-BC225501  Gilia nevinii Blanche Trask 1900-4-1 s.n. Los Angeles Avalon, Santa Catalina Island Comment
  CAS-BOT-BC402003  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-4-30 9635 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 914 Comment
  UCR270635  Gilia ochroleuca subsp. bizonata R. G. Swinney 2011-5-24 14821 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
  CAS-BOT-BC407855  Gilia ochroleuca subsp. ochroleuca J. Mark Porter 1998-4-27 11826 Los Angeles North slope, San Gabriel Mts.,Z9 Road, off Largo Vista 1371 Comment
  UC2026411  Gilia ochroleuca subsp. vivida Louis C. Wheeler 1964-6-20 8492 Los Angeles Mt. Waterman. Comment
  CAS-BOT-BC402079  Gilia ochroleuca subsp. vivida F. W. Peirson 1929-7-1 8438 Los Angeles Summit Mt. Pacifico, San Gabriel Mts. 2148 Comment
  RSA469498  Gilia ochroleuca subsp. vivida F. R. Fosberg 1931-8-12 792 Los Angeles Summit Mt. Islip, San Gabriel Mountains. 2500 Comment
  UCR223475  Gilia splendens R. G. Swinney 2009-5-28 10936 Los Angeles Transverse Range; San Gabriel Mtns., Sulphur Springs Campground, South Fork of Little Rock Creek 1585 Comment
  UCR146241  Gilia splendens subsp. grantii Valerie Soza, Monica Acosta 2001-6-13 1281 Los Angeles Transverse Ranges, San Gabriel Mountains region, South Fork Big Rock Creek, c. 1 mi S from South Fork Camground along the South Fork Trail 1616 Comment
  UCR147756  Gilia splendens subsp. grantii Valerie Soza, Et al. 2000-6-28 1042 Los Angeles San Gabriel Mountains, Northwestern extension of Pine Mountain, jct. of Rincon Red Box Road (FSR 2N24.2) and road to Pine Mountains (FSR 2N24A) along fire road 1250 Comment
  LA32025  Glebionis coronaria Henry J. Thompson; 1959-5-24 2000 Los Angeles Santa Monica Mountains, Tuna Canyon, 1.5 mi N of Coast Hwy, Tuna Canyon Rd 243 Comment
  RSA0080073  Glycyrrhiza lepidota Richard G. Swinney 2010-6-4 13033 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UCR51693  Gnaphalium californicum Steve Boyd, T. Elias 1987-4-14 2035 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  POM358780  Gnaphalium californicum Thekla Mohr 1897-1 s.n. Los Angeles San Gabriel Comment
  RSA763533  Gnaphalium palustre Justin M. Wood 2010-5-10 1568 -B Los Angeles Little Rock Creek: Downstream of Little Rock Reservoir, within 0.25 miles of the dam. 966 Comment
  RSA608597  Gnaphalium peregrinum L. C. Wheeler 1936-6-3 4111 Los Angeles Tan Bark Flat, San Dimas Canyon, San Gabriel Mts. 853 Comment
  POM359065  Grindelia camporum var. bracteosa Anstruther Davidson 1893-3-8 s.n. Los Angeles Wiseburn. Comment
  UC55184  Grindelia hirsutula H. M. Hall 1902-5-13 3290 Los Angeles near Los Angeles (Howard Summit); Howard Summit Comment
  RSA359092  Grindelia robusta Anstruther Davidson 1915-6-1 3072 Los Angeles Brea Rancho. Comment
  RSA592693  Gutierrezia californica Peter H. Raven 1961-9-24 16758 Los Angeles Little Tujunga Road, 1.2 miles above junction with Gold Creek Road 792 Comment
  RSA602969  Gutierrezia californica L. C. Wheeler 1973-1-13 12808 Los Angeles San Gabriel Mountains: Little Tujunga, near Cottonwood Glen. 412 Comment
  SEINET4691738  Gutierrezia microcephala R. G. Swinney 2009-1 11606 Los Angeles Transverse Range; San Gabriel Mountains/Mojave Desert: confluence of Kentucky Springs Canyon and Soledad Canyon, 2.6 mi. SW of Vincent train station. 921 Comment
  SEINET11849175  Haplopappus ericoides E. A. Purer 1933-1 5589 Los Angeles El Segundo Comment
  CLARK-A1528-2158  Haplopappus parishii John C. Roos 1941-10-4 864 Los Angeles San Gabriel Mountains 1219 Comment
  UCR126789  Haplopappus venetus Mark A. Elvin 2003-6-12 2947 B Los Angeles Santa Clarita Valley, Newhall Ranch, south of Magic Mountain Amusement Park, west of The Old Road 366 Comment
  RSA678465  Hazardia cana Mark Elvin, Dylan Hannon, Gery Allan, Curtis Clark, Steve Burckhalter 1996-4-20 166 Los Angeles San Clemente Island. 3rd canyon south of Bryce. Comment
  CAS-BOT-BC307282  Hazardia squarrosa var. grindelioides Fordyce Grinnell 1915-9-6 s.n. Los Angeles Jumbo Knob, San Rafael Hills near Pasadena Comment
  SEINET10907872  Hedera helix David B. Dunn Dunn 12704 Los Angeles Highland Park, Los Angeles. Comment
  CAS-BOT-BC306297  Hedypnois cretica A. R. Roos 1954-5-17 s.n. Los Angeles Near North Kenmore and Oakdale Streets, Hollywood 91 Comment
  SFV4469  Helianthus annuus P. M. Kennamer 1959-5-31 s. n. Los Angeles San Fernando Valley Northridge. Corner of Nordhoff Street and Collett Avenue. 274 Comment
  POM359978  Helianthus annuus subsp. lenticularis Anstruther Davidson s.n. Los Angeles E. Los Angeles. Comment
  UC1595206  Helianthus gracilentus Tim Ross and Peter Fritsch 1990-6-20 3659 Los Angeles ridgetop between W Fk San Gabriel River and Roberts Canyon (Rincon-Red Box Rd. (2N24)); San Gabriel Mountains 1255 Comment
  UCSB68608  Helianthus gracilentus Gross, LeRoy; Fraga, Naomi; Hogshead, Bill; Virgen, Aydee 2003-6-19 Los Angeles Transverse Ranges; Verdugo Mountains region; North side of mountians; entered west of Haines Canyon Park, off of Estepa Drive in Tujunga; (Burbank 7.5 Quad.: T2N R14W S24, SE1/4); low foothills north of 210 freeway 598 Comment
  RSA0016427  Helianthus inexpectatus Anuja Parikh, Nathan Gale 2002-9-26 s.n. 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. 305 Comment
  UCR170020  Helianthus inexpectatus A. C. Sanders, Mark A. Elvin 2002-8-28 25607 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 305 Comment
  UC55061  Helianthus nuttallii subsp. parishii Ernest Braunton 1902-9-1 698 Los Angeles Los Angeles Comment
  RSA0012950  Helianthus nuttallii subsp. parishii Louis Greata 1901-09 s.n. Los Angeles Oak Knoll Comment
  POM3868  Heliotropium curassavicum var. oculatum O. W. Robinson 1916-5-2 s.n. Los Angeles Claremont, corner of 3rd and Dartmouth. Comment
  POM246458  Hemizonia fasciculata F. R. Fosberg 1931-5-6 4815 Los Angeles Cape Canyon, Santa Catalina Island. 250 Comment
  POM4988  Hemizonia kelloggii Arthur M. Cleghorn 1902-6-12 6 Los Angeles Claremont. 366 Comment
  RSA0087109  Herniaria cinerea Steven A. Junak, Mark L. Hoefs 2001-5-5 SCa- 1509 Los Angeles Santa Catalina Island. Along road to Cape Canyon ridgetop, on N side of Middle Ranch Canyon. 402 Comment
  UCR242046  Hesperocnide tenella Dan S. Cooper 2012-2-13 212- 11 Los Angeles Los Angeles Basin/Western Transverse Range, Griffith Park, Oak Canyon along Griffith Park Dr. 169 Comment
  JEPS11806  Heterocodon rariflorum Frank W. Peirson 1921-6-14 1210 Los Angeles Trail Fork San Gabriel; San Gabriel Mountains 990 Comment
  CAS-BOT-BC143701  Heteromeles arbutifolia Herman Knoche 1919-7-4 Series A, No. 1003 Los Angeles San Clemente Island, Camp Mosquito Comment
  RSA167863  Heteromeles arbutifolia Robert F. Thorne, Percy C. Everett 1964-2-6 33300 Los Angeles Cherry Cove, Santa Catalina Island. 61 Comment
  RSA0072470  Heteromeles arbutifolia F. R. Fosberg 1931-4-2 S- 4445 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 250 Comment
  SD107836  Heteromeles arbutifolia var. macrocarpa Mark Hoefs 1973-7-14 378 Los Angeles Santa Catalina Island: Just east of Wrigley Botanic Garden, Upper Avalon Canyon 106 Comment
  RSA0008468  Heterotheca fastigiata F. R. Fosberg 1930-7-3 53103 Los Angeles Lexington Wash, San Gabriel River, El Monte. 80 Comment
  JEPS20379  Heterotheca grandiflora Elizabeth Day Palmer 1908-8-2 Los Angeles Los Angeles Comment
  RSA0074433  Heterotheca grandiflora S. Koukol, E. Lutz 1998-4-26 22 Los Angeles Claremont, along E side of Indian Hill Blvd., 50 m S of Baseline Road. 421 Comment
  SEINET11261241  Heterotheca grandiflora Steve Boyd 1996-9-24 8925 Los Angeles Liebr Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountains.; 0 914 Comment
  UC55053  Heterotheca grandiflora Miss E. D. Palmer Los Angeles Comment
  UCD133024  Heterotheca grandiflora Geoffrey Levin 1974-4-26 35 Los Angeles Wash (Blanchard Park), Pomona College in Claremont. Santa Ana River-Pacific slope drainage area. Alluvial Fan of Mt. San Antonio (San Gabreil Mountains). 335 Comment
  RSA0066369  Heuchera abramsii R. F. Thorne, C. W. Tilforth, John Dourley 1971-7-27 41071 Los Angeles San Gabriel Mountains, Angeles National Forest: saddle ridge between West Baldy and Old Baldy. 3003 Comment
  UCD170561  Heuchera caespitosa R. G. Swinney 1998-7-28 6517 Los Angeles San Gabriel Mtns., south fork of Cow Canyon at and above Fallen Leaf Spring, to 0.2 mi. south of Glendora Ridge Rd. 1366 Comment
  CAS-BOT-BC317340  Heuchera elegans LeRoy Abrams 1902-7-1 1559 Los Angeles Near Martin's Camp, Mt. Wilson, by the station. Comment
  RSA0087290  Heuchera elegans A. D. E. Elmer 1902-06 3687 Los Angeles Acton, Mt. Gleason. Comment
  SEINET3132102  Hoffmannseggia glauca J. S. Brandegee 1889-5-18 sn Los Angeles San Fernando Comment
  RSA85264  Holodiscus discolor F. W. Peirson 75 Los Angeles Montana St. Pasadena Comment
  SBBG113058  Hordeum intercedens S. A. Junak 1998-5-1 SCa 596 Los Angeles small rise just NE of Airport Rd, just S of ridge with Whitney's Pk 426 Comment
  SD252248  Hordeum marinum subsp. gussoneanum Steven A. Junak 1999-4-23 Sca 847 Los Angeles Santa Catalina Island. Buffalo Reservoir area, plant stop, S side of main road. 200 Comment
  UCR216752  Hordeum murinum R. G. Swinney 2009-2-20 10015 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA755929  Hordeum murinum subsp. glaucum Orlando Mistretta, Christine Mistretta 2008-4-10 2409 Los Angeles Ritter Ridge, SW of Quartz Hill. Along SCE transmission lines just S. of California Aqueduct . (Segment 5, structure 17 per TRTP survey - 2008) 919 Comment
  CATA602  Hordeum murinum subsp. leporinum Mark L. Hoefs 1991-4-7 1048 Los Angeles Santa Catalina Island: Divide Road, above Avalon Canyon 277 Comment
  SD90266  Hordeum murinum subsp. leporinum Robert F. Thorne 1973-4-11 42821 Los Angeles San Clemente Island, Upper part of Norton Canyon, rocky canyon bottom 334 Comment
  UC818521  Hordeum murinum subsp. leporinum Marcus E. Jones, A. M. 1882-5-1 3562 Los Angeles Los Angeles Comment
  RSA594742  Hordeum vulgare Timothy S. Ross 1995-4-7 8362 Los Angeles TEMPLIN HIGHWAY ca. 1800-1900 ft NE of its inter- section with the Old Ridge Route. 841 Comment
  CAS-BOT-BC536166  Horkelia californica var. elata J. Ewan 1929-9-4 3554 Los Angeles Sawpit Canyon, west of Job's Peak, San Bernardino Mts. 1371 Comment
Read comments
Mar 20 2019
  CLARK-A1528-3998  Horkelia cuneata John C. Roos 1937-7-7 1931 Los Angeles San Gabriel Mountains Comment
  RSA499313  Horkelia cuneata subsp. cuneata E. S. Spalding 1923-4-3 s.n. Los Angeles Manhattan Beach. Comment
  SEINET957968  Hosackia oblongifolia V. Duran 1933-1 3698 -3528 Los Angeles Buckhorn, San Gabriel Mts. 2591 Comment
  RSA94159  Hulsea heterochroma F. W. Peirson 1919-7-3 514 Los Angeles San Gabriel Mts: on Lukens Peak trail. 1220 Comment
  SBBG96796  Hulsea heterochroma T. Ross, S. Boyd 1990-6-6 2839 Los Angeles Green Valley Pasture, in Francisquito Cyn 926 Comment
  UCR256260  Hulsea heterochroma R. G. Swinney 2010-10-13 14031 Los Angeles San Gabriel Mountains, Lily Spring, within 100 meters of main spring 2454 Comment
  POM184664  Hulsea vestita subsp. gabrielensis Joseph A. Ewan 1932-5-29 7216 Los Angeles Arrastre Canyon. 1402 Comment
  RSA366725  Hydrilla verticillata Christopher Davidson, B. Gustafson 1980-10-10 10715 Los Angeles Garden of the Natural History Museum. Comment
  SEINET269176  Hypochaeris glabra Scott D. White, Chet McGaugh 1995-5-16 3080 Los Angeles E edge of Santa Susana Mts W of San Gabriel Mts. 'Sunshine Cyn'; W of San Fernando Rd. and I-5 Fwy SW of interchange w 457 Comment
  CDA7501  Hypochaeris glabra L. C. Wheeler 1968-4-13 s.n. Los Angeles Transverse Ranges; San Gabriel Mountains: Ridge south of mouth of Big Dalton Canyon Comment
  RSA276043  Hypochaeris glabra Jack Delaini 1974-4-25 125 Los Angeles Lodi Canyon, San Dimas Experimental Forest. 427 Comment
  RSA512063  Hypochaeris glabra L. C. Wheeler 1967-5-13 9508 Los Angeles San Gabriel Mountains; mesa between Little Dalton and Englewild canyons. 373 Comment
  RSA712901  Ilex cornuta A. C. Sanders 2005-2-13 29149 Los Angeles San Gabriel Valley: Walnut, Mt. San Antonio College, at south foot of the San Jose Hills. 244 Comment
  CATA792  Isocoma menziesii Mark L. Hoefs, Robert Given 1991-6-12 1360 Los Angeles Santa Catalina Island: Near road above Salta Verde Beach 176 Comment
  RSA188380  Isocoma menziesii R. F. Thorne, P. C. Everett 1965-6-23 34952 Los Angeles Santa Catalina Island. Ben Weston Beach, west side of island. Comment
  SFV16491  Isocoma menziesii P. M. Schiffman, R. van de Hoek 1996-11-3 s. n. Los Angeles California Channel Islands Santa Catalina Island. Along ridge above White's Landing. Comment
  RSA643396  Isocoma menziesii var. vernonioides Orlando Mistretta 1992-9-16 815 Los Angeles San Gabriel Mountains: Oak Springs Trail at south trail head. 579 Comment
  UC174042  Isomeris arborea Geo. B. Grant 1901-1 615 Los Angeles Santa Catalina Island Comment
  RSA232805  Jepsonia malvifolia R. F. Thorne 1966-4-17 36124 Los Angeles San Clemente Island, Box Canyon, NW of Horse Canyon, SW of Thirst. 183 Comment
  RSA401009  Juglans californica Edwin Kline 1925-4-12 s.n. Los Angeles Mulholland Estate; Santa Monica Mtns. Comment
  UCR170412  Juglans californica Alex R. Van Dam 2004-5-8 023 Los Angeles Western Transverse Range; Santa Monica Mtns., slope behind residence at 9746 Yoakum Drive, Beverly Hills 305 Comment
  UCR266150  Juglans californica R. E. Riefner Jr. 2015-8-21 15- 339 Los Angeles San Jose Hills, unincorporated Los Angeles County, south of Hwy I-10, east of Palomino Drive, east of Mesquite Lane at the end of the road, west of Forest Lawn Memorial Park 236 Comment
  POM2129  Juglans californica var. californica D. L. Crawford 1915-7-16 s.n. Los Angeles Live Oak Canyon -Claremont Comment
  RSA629707  Juglans californica var. californica Louis C. Wheeler 1967-7-6 9921 Los Angeles San Dimas Canyon; Southeast east of San Dimas dam 457 Comment
  UCR193949  Juglans nigra A. C. Sanders 2008-7-10 35743 Los Angeles South Coast; San Gabriel Valley, Whittier Narrows Nature Center, south of Durfee Ave. and west of Peck Rd., along San Gabriel River drainage 70 Comment
  UCSB58945  Juncus acutus subsp. leopoldii Mitchell, Don 1991-6-5 Los Angeles Castaic Lagoon-previously recorded location; north shore Comment
  UCR193533  Juncus balticus R. G. Swinney 1999-6-18 7298 Los Angeles San Gabriel Mtns., Big John Flat, SE end along canyon bottom of east fork of Boulder Canyon 1768 Comment
  RSA748078  Juncus balticus subsp. ater R. G. Swinney 2005-5-21 8273 Los Angeles Juniper Hills, 0.4 mi south of the junction of Longview Road and Tumbleweed Road, west of and adjacent to Longview Road 1216 Comment
  UCR153128  Juncus bufonius var. occidentalis A. C. Sanders 2005-5-5 29897 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Cruzan Mesa along dirt road near large vernal pool 655 Comment
  RSA70279  Juncus covillei Joseph A. Ewan, F. R. Fosberg 1931-8-12 5002 Los Angeles Windy Camp Spring, Mt. Islip 2287 Comment
  SBBG44999  Juncus covillei V. Duran 1933-7-22 3526 Los Angeles Buckhorn 1981 Comment
  HSC101363  Juncus duranii R. G. Swinney 2008-7-24 9348 Los Angeles San Gabriel Mtns.: Waterman Mountain, ski runway on east-facing slope. 2390 Comment
  RSA633361  Juncus macrophyllus L. C. Wheeler 1965-8-22 s.n. Los Angeles San Gabriel Mountains: Devil s Canyon campground. Comment
  SD260149  Juncus macrophyllus R. G. Swinney 2011-6-1 14940 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
  SBBG126955  Juncus rugulosus A. Parikh, N. Gale 2011-7-14 3557 Los Angeles West Fork San Gabriel River, 2.6 km W of St Hwy 39; San Gabriel Mtns 615 Comment
  RSA776490  Juncus saximontanus LeRoy Gross, Jane Tirrell 2011-7-20 5528 Los Angeles Spring, along Angeles Crest Highway, north of Lily Spring. Near 2287 Comment
  UCR124726  Juncus sphaerocarpus B. C. Templeton 1932-8-25 5087 Los Angeles San Gabriel Mtns., Big Pines Park, Angeles National Forest 2400 Comment
  RSA603405  Juncus textilis L. C. Wheeler 1975-8-6 s.n. Los Angeles San Gabriel Mountains: Burro Canyon. 670 Comment
  UCR194592  Juncus xiphioides R. G. Swinney 1999-6-21 7362 Los Angeles San Gabriel Mtns., spring c. 150 m WNW of mouth of Jesus Canyon 1494 Comment
  NY790266  Keckiella cordifolia L. Abrams 1901-6-4 1694 Los Angeles Los [Tunas?-illegible] Canon, Santa Monica Mountains Comment
  RSA754212  Keckiella cordifolia Ellen Mackey, Blake Whittiington 2006-10-11 NFWF- 1790 Los Angeles San Gabriel River Watershed; along road 429 Comment
  RSA567185  Keckiella ternata subsp. septentrionalis Tim S. Ross, Orlando Mistretta, Alex Quici 1990-6-28 3957 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
  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
  SBBG59399  Koeleria macrantha R. Hoffmann 1931-5-3 Los Angeles 3 mi E of Elizabeth Lake Comment
  RSA710542  Krascheninnikovia lanata LeRoy Gross 2005-5-3 2191 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
  RSA725070  Krascheninnikovia lanata Sula Vanderplank, LeRoy Gross, Steve Hoskinson 2005-5-6 050506 -81 Los Angeles Bob's Gap. At the south edge of Bob's Gap, on slopes and roadside, and down in the wash. 1444 Comment
  LA212212  Lagunaria patersonia Lynn Haines; 1960-7-25 s.n. Los Angeles Santa Ynez Canyon, Canoga Park Near Sunset Blvd and Pacific Coast Hgw. 15 Comment
  RSA596837  Lamarckia aurea Timothy S. Ross, J. Mark Porter 1995-5-4 8481 Los Angeles Liebre Mountains, Texas Canyon: ca 3.6 road miles NE of Bouquet Canyon Road. 623 Comment
  SBBG95462  Lamarckia aurea M. B. Dunkle 1928-2-12 1702 Los Angeles Salta Verde 213 Comment
  POM222251  Lamium amplexicaule Louis C. Wheeler 1936-2-19 4078 Los Angeles West Orange Grove Ave. Pomona. 244 Comment
  CDA36208  Lantana montevidensis A. C. Sanders, T. B. Salvato 2009-5-19 36837 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. Working oil field with access roads and scattered pump pads. Comment
  RSA0110804  Lantana montevidensis Richard G. Swinney, Cody Clarke, Veronica Pallan 2011-4-5 14350 Los Angeles San Gabriel Mountains: Little Santa Anita Cyn., base of Mt. Wilson Trail, above Mira Monte Ave., to 0.15 miles NE above the trailhead 268 Comment
  CAS-BOT-BC337890  Lasthenia R. J. Dobbs 1924-4-22 491 Los Angeles 9 miles below Swetzer [Switzer] Comment
  IRVC26337  Lasthenia glabrata subsp. coulteri A. C. Sanders 2003-4-16 26033 Los Angeles Newhall Ranch, under powerlines south of Magic Mountain Parkway, near I-5 and new golf course NE end of Santa Susana Mtns. 366 Comment
  POM361504  Lasthenia gracilis Ora M. Clark 1929-3-30 s.n. Los Angeles W of Lancaster Comment
  RSA600114  Lasthenia gracilis Steve Boyd, Lauren Raz 1997-3-26 9341 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  UC177411  Lasthenia gracilis T. S. Brandegee May 1890 Los Angeles Santa Catalina Island Comment
  UCR90272  Lasthenia gracilis Karen Kirtland 1993-4-10 s.n. Los Angeles Western Mojave Desert, Lancaster, east of 10th Street E between Avenue 'F' and 'G 709 Comment
  POM361502  Lasthenia gracilis M. Bisbee 1917-4-24 s.n. Los Angeles Low hills, e. Eagle Rock Comment
  RSA156675  Lasthenia gracilis Peter H. Raven 1962-4-10 17193 Los Angeles San Clemente Island, just south of Wilson Cove 91 Comment
  RSA0115472  Lasthenia microglossa A. C. Sanders 2008-4-18 34964 Los Angeles Transverse Range/Mojave Desert: Cow Spring Canyon, west side of canyon toward mouth. 1004 Comment
  UCR131417  Lathyrus tingitanus Alison Lipman 1998-6-1 s.n. Los Angeles South Coastal Plains Region, Forestal property, Rancho Palos Verdes 305 Comment
  RSA405685  Lathyrus vestitus subsp. laetiflorus H. L. Bauer 1931-3-1 13947 Los Angeles Tunas Canyon near Topanga Canyon. Comment
  RSA651401  Lathyrus vestitus var. vestitus Glen Johnson 1949-5-4 s.n. Los Angeles San Gabriel Canyon. 1219 Comment
  RSA90349  Lathyrus vestitus var. vestitus F. W. Peirson s.n. Los Angeles Franklyn Canyon. Comment
  CAS-BOT-BC321526  Layia glandulosa Louis C. Wheeler 1932-4-9 567 Los Angeles 4 mi W of Fairmont, Mohave Desert 914 Comment
  POM361658  Layia glandulosa Anstruther Davidson 1895-5-8 s.n. Los Angeles Lancaster. Comment
  UCR185399  Layia glandulosa A. C. Sanders, T. B. Salvato 2007-4-25 33548 Los Angeles Tehachapi Mtns., Oso Canyon near Kern Co. line, c. 0.1-0.2 mi. south of road on canyon bottom, c. 0.75 mi. east of powerlines 1220 Comment
  UCR220260  Layia glandulosa R. G. Swinney 2009-4-28 10502 Los Angeles Transverse Range; San Gabriel Mountains, Hunt Canyon, 20-200 m SE (upstream) of the Mt. Emma Rd. 1226 Comment
  UCR222780  Layia glandulosa R. G. Swinney 2009-4-28 10554 Los Angeles Transverse Range; San Gabriel Mountains, summit of Mt. Emma 1608 Comment
  UCR256627  Layia glandulosa Mitch Provance 2010-5-4 0510- 40 Los Angeles Tehachapi Mtns., ridgeline overlooking Hwy I-5 about 0.4 miles NE of Gorman 1430 Comment
  CAS-BOT-BC321510  Layia glandulosa Ira L. Wiggins 1966-4-23 20621 Los Angeles Sandy desert slopes E of 145 Street E, between Palmdale Blvd and Avenue O, N of Pearblossom. Mohave Desert. Comment
  CATA386  Layia platyglossa Mark L. Hoefs 1974-5-2 450 Los Angeles Santa Catalina Island: Above Parsons' Landing 60 Comment
  RSA3704  Layia platyglossa subsp. campestris C. B. Wolf 1932-5-11 3551 Los Angeles San Clemente Island. West side of Isthmus Harbor. 15 Comment
Read comments
Jan 23 2014
  UC35112  Lemna minuscula Geo. B. Grant Sept. 1902 5058 Los Angeles Pasadena Comment
  LA88649  Lepechinia fragrans Robert F. Thorne; 1966-4-29 36329 Los Angeles Santa Catalina Island: below rd to White's landing above turnoff to Echo Lake 411 Comment
  OBI45078  Lepidium didymum Robert F. Thorne 1973-4-11 42726 Los Angeles Rancho Santa Ana Botanic Garden-claremont. Near admin bldg 366 Comment
  UC1536951  Lepidium flavum Gordon H. True Jr. 1935-3-5 50 Los Angeles side of Big Rock Creek Wash Lovejoy Butte 853 Comment
  SBBG33449  Lepidium fremontii A. D. E. Elmer -Jun-1902 3632 Los Angeles Lancaster Comment
  UC184458  Lepidium fremontii A. D. E. Elmer 1902-6-1 3632 Los Angeles Lancaster Comment
  UCR280548  Lepidium fremontii R. G. Swinney 2014-4-17 16076 Los Angeles San Gabriel Mountains, SW of Littlerock, 0.5-0.8 mi. east of Cheseboro Rd., 100-200 m south of CA Aqueduct, 0.66 mile due S of Hwy. 138/Pearblossom Hwy 957 Comment
  SBBG2514  Lepidium fremontii H. and M. Dearing 1933-4-9 469 Los Angeles Palmdale-Victorville Hwy Comment
  UCR217336  Lepidium latifolium David Charlton 2009-10-4 s.n. Los Angeles Western Mojave Desert, Piute Ponds, Edwards Air Force Base, SW corner of area, south of Ducks Unlimited ponds 698 Comment
  UCR143433  Lepidium latipes Anstruther Davidson 1902-5-30 s.n. Los Angeles Southern Coast, Bixby Slough [=Harbor Lake/Harbor Park, near Long Beach] 8 Comment
  RSA429624  Lepidium nitidum M. B. Dunkle 1929-3-23 2071 Los Angeles Middle Ranch, Santa Catalina Island. Comment
  CAS-BOT-BC12816  Lepidium perfoliatum Ernest C. Twisselmann 1962-4-10 6833 Los Angeles Mojave Desert. Rosamund Region. Avenue A, 0.9 mile east of Highway 6. 632 Comment
  RSA603645  Lepidium pinnatifidum L. C. Wheeler 1944-9-25 5975 Los Angeles Culver City: Jasmine Avenue and Venice Boulevard. Comment
  RSA669300  Lepidium strictum LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 530 Los Angeles Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  UC1971139  Lepidium virginicum Louis C. Wheeler 1947-3-23 6460 Los Angeles San Gabriel Mountains; Kinneloa Canyon. Comment
  SBBG112832  Lepidium virginicum var. pubescens S. A. Junak with M. Hoefs, K. Kirkland 1998-7-16 SCa 760 Los Angeles mouth of Cherry Cyn 3 Comment
  CAS-BOT-BC328065  Lepidospartum squamatum David D. Keck 1932-10-14 1948 Los Angeles Tujunga Wash, 4 mi E of Van Nuys on Van Owen Street Comment
  CHSC25952  Lepidospartum squamatum James Henrickson 1971-10-14 7186 Los Angeles NE Claremont along Padua Hills Road. 457 Comment
  UC205600  Lepidospartum squamatum I. M. Johnston 1917-8-23 1717 Los Angeles Prairie Fk San Gabriel River; San Antonio Mountains, Prairie Fk of San Gabriel River 1524 Comment
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Mar 16 2010
  UCR271843  Lepidospartum squamatum R. G. Swinney 2011-10-27 15921 Los Angeles San Gabriel Mountains, West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream 649 Comment
  IRVC28765  Leptochloa uninervia A. C. Sanders, Mark Elvin 2002-8-7 25555 Los Angeles north of Hwy 126 just east of the Ventura Co. line, west of Mayo Spur Santa Clara River Valley 274 Comment
  UC440452  Leptodactylon californicum Carl Epling and Lincoln Ellison 1929-3-16 Los Angeles Topango Canyon; Santa Monica Mountains, Topango Canyon Comment
  UCR202532  Leptodactylon pungens R. G. Swinney 2001-8-9 8014 Los Angeles San Gabriel Mtns., Mount Williamson, second peak from east on the ridge 2494 Comment
  RSA578296  Leptosiphon androsaceus T. S. Ross, S. D. Boyd 1994-5-4 7661 Los Angeles Northeast summit of Grass Mountain: north slopes draining toward Elizabeth Lake; south slopes toward Green Valley. 1384 Comment
  SD44505  Leptosiphon aureus Herbert L. Mason 1926-4-26 2945 Los Angeles Pacoima Wash, foothills of San Gabriel Mountains. Comment
  SBBG17869  Leptosiphon bicolor P. H. Raven 1962-4-10 17226 Los Angeles summit ridge, ca. 2 mi N of Thirst 487 Comment
  SBBG53157  Leptosiphon bicolor S. A. Junak 1978-4-15 SCa 9 Los Angeles just E of 1901 Chester grave, N side of Cherry Cove Comment
  SD86316  Leptosiphon bicolor R. Beauchamp, M. Douglas 1972-3-24 3252 Los Angeles San Clemente Island; on grassy slope east of impact area above Pyramid Cove. 349 Comment
  RSA469976  Leptosiphon breviculus F. R. Fosberg, Joseph A. Ewan 1931-8-12 795 Los Angeles Islip-Williamson divide between Bear & Big Rock Creeks 2150 Comment
  UCR270773  Leptosiphon parviflorus Dan S. Cooper 2016-3-15 150316- 10 Los Angeles Ridge west of Charlie Canyon, SE of Castaic Lake 429 Comment
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  LA201800  Lessingia filaginifolia var. filaginifolia Arthur C. Gibson; 2003-9-1 4985 Los Angeles Simi Hills, NW edge Chatsworth Reservoir just E of Valley Circle Blvd, near Chatsworth Lake Manor 274 Comment
  UCR206264  Lessingia glandulifera var. glandulifera R. G. Swinney 2008-6-4 8943 Los Angeles San Gabriel Mtns., Devils Punchbowl Co. Park, c. 100 m SW of park headquarters/nature center 1470 Comment
  SD230174  Lessingia lemmonii var. peirsonii Steve Boyd, Laura Moore, Mike Wall 1997-7-24 10022 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  POM1311  Leymus triticoides I. M. Johnston 1917-5-13 s.n. Los Angeles El Monte, in ditch along R.R. 106 Comment
  LA91453  Lilium humboldtii subsp. ocellatum Bruce Douglas Clayton; Greg Shaw 1972-4-1 53 Los Angeles SANTA MONICA MOUNTAINS, Temescal Canyon, Mountain Park Research Campus 490 Comment
  SDSU3168  Linanthus aureus D. F. Howe 1948-5-2 1779 Los Angeles Desert side of Angeles Crest Highway, San Gabriel Mtns. Comment
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Nov 19 2014
  RSA757052  Linanthus breviculus R. G. Swinney 2008-6-17 9059 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26. 2160 Comment
  CAS-BOT-BC123852  Linanthus breviculus subsp. royalis LeRoy Abrams; Ernest Alexander McGregor 1908-7-5 642 Los Angeles Swartout Canyon, San Gabriel Mountains 1828 Comment
  POM282431  Linanthus californicus Elaine Dalbom 1934-3-31 48 Los Angeles Pacific Palisades, Beverly Hills, 427 Comment
  RSA652613  Linanthus californicus Marion P. Harthill 1971-5-11 179 Los Angeles San Antonio Canyon. Comment
  RSA73289  Linanthus californicus F. W. Peirson 1919-5-10 401 Los Angeles Mt.Gleason 1372 Comment
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Aug 21 2014
  POM65844  Linanthus dianthiflorus subsp. dianthiflorus L. R. Abrams 1903-4-10 3235 Los Angeles Grassy hills, near Inglewood Comment
  UC52493  Linanthus liniflorus Ernest Braunton 1902-6-13 449 Los Angeles Griffith Park Comment
  RSA250613  Linanthus parryae R. F. Thorne 1970-5-1 39534 Los Angeles Along road to Valyermo ca. 1 mi. E of Pallett Ranch N of Pinyon Ridge; at foot of grade in Shoemaker Canyon in pinyon-juniper woodland. 1402 Comment
  RSA570185  Linanthus parryae T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 5022 Los Angeles 0.6 mile ESE of Acton; S edge of Soledad Canyon Wash. 841 Comment
  CHSC8286  Lithophragma affine Edward L. Smith 1957-4-25 225 Los Angeles Located in Little Dalton Canyon. San Gabriel Mts. 365 Comment
  RSA646990  Lithophragma affine LeRoy Gross, Michael Honer, Leland Lubinsky 2000-4-27 199 Los Angeles San Rafael Hills: South of Descanso Garden and north of the main ridge. 487 Comment
  CAS-BOT-BC432211  Lithophragma bolanderi Timothy S. Ross 1993-6-1 7353 Los Angeles Upper Winter Creek Trail between Chantry Flat and Hoegee Camp (on Winter Creek), on the W side of Santa Anita Canyon. Mt. Wilson 7.5 USGS gradrangle. 804 Comment
  RSA228906  Lithophragma tenellum R. F. Thorne 1971-8-25 41270 Los Angeles ANGELES NATIONAL FOREST: Lily Spring on northwest slope of Mt. Hawkins. Comment
  RSA617226  Lobelia dunnii var. serrata LeRoy Gross 1998-9-12 51 Los Angeles Arroyo Seco Canyon between Switzer's Falls and Switzer's Campground 853 Comment
  UC909132  Loeseliastrum matthewsii Herbert L. Mason 1926-4-26 2988 Los Angeles on desert slope Vincent to Palmdale Comment
  RSA77062  Loeseliastrum matthewsii F. W. Peirson 1919-6-15 468 Los Angeles Rock Creek, San Gabriel Mts. 1280 Comment
  SBBG57150  Logfia arizonica S. A. Junak with M. L. Hoefs, K. Kirkland, L. Stratton 1998-5-2 SCa 636 Los Angeles S of rd to East Pk, on ridge SW of Pk 1245, ca. 0.9 air mi WNW of East Pk 289 Comment
  UCR273557  Logfia filaginoides R. G. Swinney 2011-5-10 14639 Los Angeles San Gabriel Mountains, Angeles Natl. Forest, 'Manzanita Mt.', at junction of Firebreak Ridge and Manzanita Mt. Trail, 0.8 mile south of Placerita Cyn. Nature Center 629 Comment
  CATA894  Logfia filaginoides Mark L. Hoefs, Robert F. Thorne, John M. Tucker, Grady L. Webster 1992-3-31 1710 Los Angeles Santa Catalina Island: Side canyon of Middle Canyon, across the road from large oak tree 237 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
  CHSC35836  Lolium multiflorum James Henrickson 1973-6-15 10710 Los Angeles City of Long Beach, along overflow channel W of Los Angeles River Channel between Long Beach Blvd. and Del Mar Ave. 6 Comment
  RSA708604  Lolium perenne subsp. multiflorum Valerie L. Soza, LeRoy Gross 2001-5-9 1206 Los Angeles Southern San Rafael Hills: South of western end of Scholl Canyon, West end of Valle Vista fire road, ridgetop north of Hwy 134. 297 Comment
  RSA452135  Lomatium lucidum Anstruther Davidson 9321 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  RSA584019  Lomatium lucidum T. S. Ross, Steve D. Boyd 1991-4-25 4574 Los Angeles San Gabriel Mtns: Steep slope dropping S from Doe Flat toward Graveyard Canyon (which drains to the lower E Fork of the San Gabriel River). 731 Comment
  RSA97341  Lomatium mohavense subsp. mohavense F. W. Peirson 1926-4-26 6655 Los Angeles about 1 mile east of Palmdale Comment
  RSA757319  Lomatium nevadense R. G. Swinney 2008-6-17 9053 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  IRVC26425  Lomatium utriculatum A. C. Sanders, Mark Elvin, K. Rindlaub 2003-3-5 25705 Los Angeles Newhall Ranch, near entrance to Magic Mountain Amusement Park, north of magin Mtn. Parkway and west of I-5 NE end of Santa Susana Mtns. 335 Comment
  UCR259345  Lomatium utriculatum Mitch Provance, Callen Huff 2009-4-28 10719 Los Angeles Tehachapi Mountains, Tejon Ranch, SE of Lebec, ridge overlooking Interstate 5, about 1.3 miles ENE of Gorman; site PO1086 1371 Comment
  RSA452153  Lomatium vaginatum Anstruther Davidson 1890-04 s.n. Los Angeles [no locality information provided] Comment
  CAS-BOT-BC240498  Lonicera hispidula Alice Eastwood 1917-7-20 6509 Los Angeles Santa Catalina Island Comment
  CAS-BOT-BC240751  Lonicera interrupta Timothy S. Ross; J. Mark Porter 1995-5-4 8445 Los Angeles Liebre Mountains. Texas Canyon: ca 1.9 road miles NE of Bouquet Canyon Road 585 Comment
  JEPS12862  Lonicera subspicata var. denudata John Thomas Howell 1927-10-16 3157 Los Angeles between Sierra Madre and Santa Anita Canyon; San Gabriel Mts. Comment
  RSA590420  Lotus argophyllus subsp. ornithopus T. S. Ross 1993-4-21 6845 Los Angeles Santa Catalina Island: SW part of the island along major E-W ridge between ''Carlos'' and Cactus Peak; 500-1200 ft NNE to NE of ''Quartz'' 397 Comment
  RSA724429  Lotus argophyllus var. argophyllus K. Dobry 1992-6-14 d- 388 Los Angeles Santa Monica Mts. 3 mi. East of Kanan Rd off Mulholland Hwy along road Comment
  RSA724430  Lotus argophyllus var. argophyllus K. Dobry 1992-6-14 d- 387 Los Angeles Santa Monica Mts. 3 mi. East of Kanan Rd off Mulholland Hwy along road Comment
  UCR85799  Lotus crassifolius T. S. Ross, Steve Boyd 1991-7-24 5614 Los Angeles San Gabriel Mtns, Ridge NNE of Granite Mountain 1942 Comment
  RSA583137  Lotus dendroideus var. dendroideus T. S. Ross 1993-4-22 6916 Los Angeles Santa Catalina Island: SW part of the island in Bullrush Canyon; 1080 m due N of Cactus Peak (1560 ft); on terrace-like portion near base of northerly slope 259 Comment
  RSA139170  Lotus dendroideus var. traskiae Reid V. Moran 1958-9-15 6841 Los Angeles San Clemente Island, slope above Wilsons Cove. 50 Comment
  SEINET3860270  Lotus heermannii R. G. Swinney 2009-4-21 10424 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills: Azusa/Duarte, San Garbeil Canyon was, 0.4-1.0 mi. north (upstream) of Puente Largo bridge.; 0 192 Comment
  RSA252909  Lotus humistratus R. F. Thorne 1973-5-11 43571 Los Angeles Along Mt. Emma Road, 1/2 mi. E of Little Rock Creek below the dam. 1037 Comment
  SEINET12154235  Lotus nevadensis Unknown 1933-1 3529 Los Angeles Buckhorn, San Gabriel Mtns 1981 Comment
  POM304832  Lotus oblongifolius var. oblongifolius H. J. Ramsey 1937-7-18 234 Los Angeles Soldier's Creek, San Gabriel Mountains Comment
  RSA585469  Lotus procumbens var. procumbens T. S. Ross 1990-5-29 2667 Los Angeles Big Pines Hwy, mid-way between Caldwell Lake and Big Rock Springs, on the NE side of the knoll behind which Shoemaker Canyon turns to the NW. 1402 Comment
  RSA0080072  Lotus purshianus R. G. Swinney 2010-6-4 13034 Los Angeles Placerita Canyon Natural Area (formerly Placerita Cyn. State Park), 0.3-0.9 miles east of Nature Center along Placerita Cyn. bottom. 476 Comment
  UC1211035  Lotus salsuginosus Huron H. Smith 1912-5-31 5050 Los Angeles Pebble Beach Road Santa Catalina Island 7 Comment
  POM1922A  Lotus salsuginosus var. salsuginosus Otis Hiatt 1916-6-3 s.n. Los Angeles Topanga Canyon. Santa Monica Mountains. Comment
  RSA406847  Lotus scoparius Ronald Estes 1949-6-24 4239 a Los Angeles Los Padres National Forest. 457 Comment
  SFV1857  Lotus scoparius M. L. Vincent 1962-7-5 268 Los Angeles Santa Monica Mountains Old Topanga Canyon Road, 4 miles south of Ventura Blvd. Comment
  UCR124450  Lotus scoparius var. scoparius I. W. Clokey, B. C. Templeton 1929-1 4480 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 500 Comment
  JEPS65172  Lotus strigosus W. L. Jepson 1935-4-17 17067 Los Angeles Portal Ridge Comment
  LA52436  Lotus strigosus Virginia Mars; 1951-4-7 Los Angeles Point Dume Comment
  RSA0095314  Lotus strigosus Richard G. Swinney 2011-6-6 14993 Los Angeles San Gabriel Mountains: Charlton Flats (=Pine Flats), 13.8 miles east of jct. of Angeles Crest and Angeles Forest highways. 1616 Comment
  UC56570  Lotus strigosus Ernest Braunton Apr 1902 229 Los Angeles North Pomona Pomona Comment
  RSA545339  Lotus strigosus T. S. Ross 1992-4-14 6179 Los Angeles San Clemente Island: central E side of island; stabilized slope above rutted Nanny Canyon drainage channel, 87 deg. S and ca 280m distant from where drainage meets the sea. 76 Comment
  RSA586341  Lotus strigosus Orlando Mistretta 1995-3-17 1553 Los Angeles Slopes northwest of Little Rock Reservoir, on Emma section of Little Rock Creek Management Unit. 1128 Comment
  RSA406940  Lotus strigosus var. strigosus F. R. Fosberg 1931-3-26 S- 4387 Los Angeles Santa Catalina Island. Sea bluffs W of Hamilton Canyon. 90 Comment
  RSA584432  Lotus unifoliolatus R. G. Swinney 1993-6-10 2256 Los Angeles San Gabriel Mountains, 1.5 miles east of Glendora Mountain Road at Big Dalton Canyon Road. North side of road at nort east end of flood control tunnel. 433 Comment
  SEINET10969890  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 arb. Hybrid. Comment
  CAS-BOT-BC201423  Lupinus albifrons var. albifrons R. Hoffmann 1931-4-28 514 Los Angeles W. end of Bouq. Cany. [Bouquet Canyon] Comment
  RSA406997  Lupinus albifrons var. eminens Thekla Mohr s.n. Los Angeles Near Los Angeles Comment
  RSA718285  Lupinus andersonii R. G. Swinney, Dave Larson 1996-7-17 5135 Los Angeles San Dimas Experimental Forest, east half (grass portion) of the Browns Flat. 1320 Comment
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May 3 2010
  UCR43292  Lupinus andersonii David Charlton 1986-6-15 271 Los Angeles San Gabriel Mtns, Betweeen Blue Ridge Campground (1.5 air mi SSE of Bigpine) and the reservoir at the top of Chisolm Ski Run; along the reservoir maintenance road, 0.7 to 1.2 mi south of Angeles Crest hwy on Forest Road 3N06 2439 Comment
  CATA1588  Lupinus bicolor Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-5 2858 Los Angeles Santa Catalina Island: By road to Toyon Beach 313 Comment
  SBBG38745  Lupinus bicolor M. B. Dunkle 1939-4-6 7321 Los Angeles San Clemente Island [Mosquito Ridge) Comment
  UCR123810  Lupinus bicolor Steven R. Hill, K. Kramer 2001-4-22 33335 Los Angeles Southwestern Mojave Desert, N side of San Gabriel Mtns. Antelope Valley, east of California Poppy Reserve, N and S sides of Avenue I (Lancaster Rd.), 1.5 mi west of Munz Ranch Road, 2.6 mi west of junction with 120th Street West, about 15 mi due NW of Palmdale 805 Comment
  UCR51007  Lupinus bicolor A. C. Sanders, E. J. Lawlor 1988-4-3 7747 Los Angeles Tehachapi Mountains, southwest end of the Tehachapi Mtns, l mi northwest of Gorman on a gasline rd, 0.4 mi above old highway 1284 Comment
  SEINET3131548  Lupinus bicolor Unknown 1903-4-11 3250 Los Angeles Near Inglewood Comment
  UC1203738  Lupinus bicolor Dave Dunn 1941-3-29 965 Los Angeles Monterey Park St. on Garfield Blvd. Comment
  JEPS65041  Lupinus breweri Frank W. Peirson 1921-6-16 2441 Los Angeles near summit Mt. Waterman; San Gabriel Mts., nr summit Mt. Waterman 2316 Comment
  CAS-BOT-BC187875  Lupinus chamissonis LeRoy Abrams 1902-6-9 2502 Los Angeles Playa del Rey Comment
  SBBG117056  Lupinus concinnus S. A. Junak with K. Kirkland 2001-4-14 SCa 1448 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 347 Comment
  RSA599807  Lupinus concinnus var. optatus Steve Boyd, Lauren Raz 1997-3-25 9299 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR126665  Lupinus excubitus A. C. Sanders, Mark A. Elvin, Anuja Parikh, Nathan Gale, and others 2003-4-30 26205 Los Angeles Western San Gabriel Mtns., Castaic Valley at west foot of Castaic Mesa, Newhall Ranch 366 Comment
  SEINET10484025  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-5-16 Breitung 15120 Los Angeles Glendora mt. Rd, san gabriel mts. Comment
  RSA586983  Lupinus excubitus var. austromontanus Orlando Mistretta 1992-5-8 313 Los Angeles San Gabriel Mountains: Little Rock Creek, slopes E of Little Rock Creek Reservoir. 1159 Comment
  RSA729657  Lupinus excubitus var. austromontanus R. G. Swinney 1998-6-16 6980 Los Angeles San Gabriel Mtns.: ridge c. 400 m SE of summit of Lookout (Antonio) Mtn. 1854 Comment
  RSA413596  Lupinus excubitus var. hallii H. L. Bauer 1929-4-1 s.n. Los Angeles Santa Monica foothills. Comment
  UCR183580  Lupinus formosus A. C. Sanders, Mitch Provance, T. B. Salvato, Aaron Keller, et al 2007-4-2 33345 Los Angeles West end of the Antelope Valley, hills north of Hwy 138, above corrals, c. 1.2 mi. airline NW of La Liebre Ranch 960 Comment
  POM2657  Lupinus formosus C. F. Baker 1909-5-1 5303 Los Angeles Claremont. Comment
  SBBG69100  Lupinus formosus R. Hoffmann 1931-5-2 511 Los Angeles above narrow Bouquet Cyn Comment
  RSA715342  Lupinus formosus var. formosus Anuja Parikh, Nathan Gale 2004-4-24 2002 Los Angeles Western Transverse Range: Newhall Ranch, study area 64. 333 Comment
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Apr 9 2009
  RSA229187  Lupinus formosus var. formosus R. F. Thorne 1971-6-30 40774 Los Angeles San Gabriel Mountains, Angeles National Forest: S Fork of Little Rock Creek c. 0.3 mile below Alder Saddle 1616 Comment
  RSA640651  Lupinus guadalupensis Steven A. Junak 1997-2-25 SCI- 728 Los Angeles San Clemente Island: W side of island, just N of Camera Pad ''Bud 3'', near Benchmark 516. 159 Comment
  RSA0003471  Lupinus guadalupensis Reid V. Moran 1941-2-18 587 Los Angeles San Clemente Island: Middle Ranch Creek 30 Comment
  RSA413686  Lupinus hirsutissimus Robert M. Perkins 1935-3-24 16 Los Angeles San Antonio Canyon.[San Gabriel Mountains] Comment
  SBBG113041  Lupinus hirsutissimus S. A. Junak with K. Kirkland 1998-4-30 SCa 561 Los Angeles upper part of Hamilton Cyn drainage, just downslope from Airport Rd 304 Comment
  RSA128271  Lupinus hirsutissimus H. J. Thompson 1959-4-12 1922 Los Angeles Santa Monica Mountains. Roadcut in 6-month old burned area, 2 miles west of Las Virgenes Road, Mulholland Highway. 305 Comment
  RSA661015  Lupinus hirsutissimus Orlando Mistretta 1992-4-5 155 Los Angeles Guds, San Clemente Island. Comment
  UCD107949  Lupinus hyacinthinus Robert F. Thorne; M. Z. Thorne 1967-7-19 37198 Los Angeles San Gabriel Mts., Angeles National Forest: above Crystal Lake Recreation Area between Deer Flat Campground and Big Cienega Springs. 1950 Comment
  SEINET10489277  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-16 Breitung 15111 Los Angeles Glendora mtn. Rd, san bernardino (gabriel ?) Mts. Herb up to 7 ft high. Keel Ciliate above near base. Comment
  RSA0073290  Lupinus laxiflorus var. cognatus Bonnie C. Templeton 1932-5-31 4857 Los Angeles East Blue Ridge, Big Pines Camp, San Gabriel Mts. Comment
  CAS-BOT-BC211692  Lupinus longifolius Philip A. Munz 1949-5-10 13389 Los Angeles La Crescenta Comment
  LA200474  Lupinus longifolius Carl Epling; M. Epling 1925-5-15 sn Los Angeles Santa Monica Mountains, Griffith Park Comment
  POM199531  Lupinus longifolius I. W. Clokey, Bonnie C. Templeton 1929-05 4560 Los Angeles Mandeville canyon, Santa Monica Mountains. 250 Comment
  UC1481361  Lupinus longifolius David B. Dunn Apr 1956 RSA 6456 -7325 Los Angeles Comment
  UCD108625  Lupinus microcarpus A. C. Sanders; Mark A. Elvin, et al. 2003-4-14 25971 Los Angeles NE end of Santa Susana Mtns.: Newhall Ranch, hills immediately southwest of Magic Mountain, just across dirt service road, south of Santa Clara River. 351 Comment
  OBI48497  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-16 1349 Los Angeles W edge Antelope Valley, Ca 198 3.1 mi W jct Co. Rd N2 5.6 mi W Gorman Post Rd and I5 Comment
  RSA0003463  Lupinus mollisifolius Theodore Payne 1918-06 3310 Los Angeles Sierra Madre. Comment
  IRVC26323  Lupinus sparsiflorus A. C. Sanders, Andy Thompson 2003-4-15 26007 Los Angeles Newhall Ranch, south edge of Magic Mountain theme park, 0-400 ft. from fence NE end of Santa Susana Mtns. 366 Comment
  RSA709947  Lupinus sparsiflorus LeRoy Gross 2005-4-28 2157 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Than dropped off ridge into canyon bottom back to origin. 1235 Comment
  SD262281  Lupinus sparsiflorus R. G. Swinney 2014-5-27 16657 Los Angeles San Gabriel Mountains: Glendora, ridge between east and north forks of Hooik Cyn., c. 400 m south of Glendora Ridge Mtwy. & 200 m north of Church of the Open Door, NE of Hook Cyn. Debris basin. 445 Comment
  UCR152880  Lupinus sparsiflorus A. C. Sanders, Helen Kennedy 2005-4-13 29422 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, lower Mint Canyon at the community of Mint Canyon 488 Comment
  UCR182110  Lupinus sparsiflorus R. G. Swinney 1998-4-14 5987 Los Angeles San Gabriel Mtns./Southern Mojave Desert, Pinon Hills area, 1.1 mi. south of Ft. Tejon Rd. and 150 m west of 237th St.,W of Mescal Creek Canyon, Mescal Highlands 1299 Comment
  CHSC34432  Lupinus succulentus John A. Hall 1971-3-19 15 Los Angeles Los Angeles, ca. 500 yds. NW of California State College at L.A. 60 Comment
  SBBG95199  Lupinus succulentus M. B. Dunkle 1928-5-31 1768 Los Angeles Little Harbor 91 Comment
  SBBG133190  Lupinus truncatus J. Savage 2003-4-12 JS 2 -2003 Los Angeles Tombstone ATV trail, near seal cove before bridge 64 Comment
  UC26136  Lycium brevipes Blanche Trask 1890-1 Los Angeles Santa Catalina Island, Avalon Avalon; Santa Catalina Island, Avalon Comment
  CAS-BOT-BC383073  Lycium brevipes var. hassei R. E. Riefner, Jr. 2010-4-4 10 -8 Los Angeles Palos Verdes Peninsula, Palos Verdes Estates, Bluff Cove, ca. 0.25 mi N from Paseo Del Mar along Palos Verdes Drive West 93 Comment
  POM69656  Lycium brevipes var. hassei T. S. Brandegee 1889-05 s.n. Los Angeles Santa Catalina Island. Comment
  RSA184048  Lycium cooperi I. L. Wiggins 1966-4-15 20586 Los Angeles Desert wash immediately east of J. F. L. Motel, Pearlblossom. Mohave Desert. Comment
  CAS-BOT-BC140220  Lyonothamnus floribundus subsp. aspleniifolius Herman Knoche 1919-7-4 Series A, No. 1004 Los Angeles Camp Mesquite, San Clemente Island 274 Comment
  UC1244215  Lyonothamnus floribundus subsp. aspleniifolius Peter H. Raven 1962-7-10 17971 Los Angeles upper reaches Cave Canyon (large canyon draining southwest from Thirst); San Clemente Island Comment
  RSA578198  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given 1994-8-1 8181 Los Angeles Santa Catalina Island. 575m SWS of Echo Lake, 1150m NNE of Blackjack Mountain, near bottom of southerly draining draw ultimately draining to White Cove. 354 Comment
  RSA589780  Lyonothamnus floribundus subsp. floribundus Tim S. Ross, Neal, Takara, Bob Given, Gay, Fone 1994-8-3 8201 Los Angeles Santa Catalina Island. Upper ''Little Geiger'' first blue-line drainage W of Cherry Canyon and Lion Head (un-named on topo map). 149 Comment
  SBBG13287  Lyonothamnus floribundus var. aspleniifolius M. A. Piehl 1962-6-10 62404 Los Angeles cyn E of Thirst 304 Comment
  SBBG96970  Lyonothamnus floribundus var. aspleniifolius S. Boyd with T. Ross, L. Arnseth 1990-4-8 4314 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  RSA435271  Lythrum californicum Thekla Mohr 1915-1 s.n. Los Angeles North Fork, San Gabriel River. Comment
  UCR204429  Madia elegans R. G. Swinney 2003-5-12 8194 Los Angeles San Gabriel Mountains, Glendora, Big Dalton Canyon Wilderness Park, c. 0.25 mi. S of Big Dalton Cyn. Rd. in upper 'Dunn Canyon' drainage, 0.25 mi. NW of Big Cienega Spring, S of Coulter Pine Trail 518 Comment
  RSA640717  Madia elegans subsp. wheeleri L. C. Wheeler 1931-8-16 s.n. Los Angeles San Gabriel Mountains: San Antonio Canyon. 915 Comment
  RSA729777  Madia gracilis R. G. Swinney 1998-7-7 6298 Los Angeles San Gabriel Mtns.: Glendora, 150 m east of Big Dalton Canyon flood control channel in Wren Canyon along Wren-Meacham Trail. 354 Comment
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Mar 7 2013
  UCR223373  Madia gracilis R. G. Swinney 2009-7-23 11393 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  UCR227776  Madia gracilis R. F. Thorne, Percy C. Everett 1965-5-11 34676 Los Angeles Channel Islands, Santa Catalina Island, on and above summit road from Avalon to airport 91 Comment
  POM49335  Madia gracilis L. W. Nuttall 1920-6-1 s.n. Los Angeles Santa Catalina Island Comment
  RSA188371  Madia sativa R. F. Thorne, Percy C. Everett 1965-6-22 34910 Los Angeles Santa Catalina Island, above Avalon. 152 Comment
  CAS-BOT-BC512881  Maianthemum stellatum Robert F. Thorne 1969-7-2 38338 Los Angeles San Gabriel Mts., Angeles national Forest. c. 1.8 miles S of Dawson Saddle on Angeles Crest Hwy. (NW slope of Mt. Hawkins 2270 Comment
  UCR259129  Malacothamnus R. G. Swinney 2010-5-4 12528 Los Angeles San Gabriel Mountains, north of Sylmar, 50 to 100 meters south of Stetson Debris Basin, west of Sombrero Canyon, 150 to 200 meters north of I-210 Fwy. along Saddletree Ranch Trailhead, Stetson Ranch Park 457 Comment
  UC18793  Malacothamnus fasciculatus Le Roy Abrams 1902-7-5 1558 Los Angeles Azusa Comment
  RSA0036306  Malacothamnus fremontii LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 6969 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
  UC1409009  Malacothamnus marrubioides Robert F. Thorne and J. Dourley 1967-10-10 37348 Los Angeles San Gabriel Mts., Angeles National Forest 2255 Comment
  UC579571  Malacothrix californica G. T. Nordstrom 1935-4-6 443 Los Angeles 2 1/4 mi ne mouth of Snowy Creek (a tributary <of?> Piru Creek); Tejon Quadrangle 975 Comment
  UCR61027  Malacothrix clevelandii Steve Boyd, T. S. Ross 1988-4-28 2253 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA21241  Malacothrix coulteri C. B. Wolf 1937-4-28 8512 Los Angeles Western Mojave Desert, Antelope Valley, 6 miles west of Lancaster 716 Comment
  CAS-BOT-BC323291  Malacothrix foliosa Peter H. Raven 1962-4-11 17279 Los Angeles Sandy beach due west of Wall 2, San Clemente Island 9 Comment
  POM11776  Malacothrix saxatilis var. tenuifolia R. L. Pendleton, F. M. Reed 1909-7-2 2820 Los Angeles Santa Catalina Island. Road east of Avalon. 9 Comment
  RSA301955  Malacothrix saxatilis var. tenuifolia J. R. Shevock 1972-9-30 2296 Los Angeles Point Dume. 15 Comment
  RSA587717  Malacothrix saxatilis var. tenuifolia Steven A. Junak, Mary C. Hochberg, H. L. Ferguson 1981-7-28 sci 13 Los Angeles San clemente Island, NW portion of island, at N end of beach at W Cove 5 Comment
  UC625062  Malacothrix saxatilis var. tenuifolia F. R. Fosberg 1931-4-4 S 4480 Los Angeles Pebble Beach Santa Catalina Island 5 Comment
  SEINET11808093  Malacothrix saxatilis var. tenuifolia S. B. Parish, Parish, W. F. 1882-1 1132 Los Angeles Santa Monica Comment
  CAS-BOT-BC170388  Malosma laurina Alice Eastwood 1917-7-20 6484 Los Angeles Santa Catalina Island Comment
  JEPS108596  Malosma laurina H. Mooney Los Angeles Topanga Canyon Comment
  LA62904  Malosma laurina Louis C. Wheeler; 1933-11-29 2277 Los Angeles San Gabriel Mountains, San Dimas Canyon 380 Comment
  SBBG112869  Malosma laurina S. A. Junak with K. Kirkland 1998-7-17 SCa 778 Los Angeles lower portion of Silver Cyn, ca. 0.5 air mi inland from beach 36 Comment
  UCR97327  Malva nicaeensis B. G. Pitzer 1996-4-27 2725 Los Angeles City of Signal Hill, Reservoir Park, on Wardlow Road between Orange Street & Walnut Street, east of Long Beach Blvd. Comment
  SBBG13274  Malva parviflora M. A. Piehl 1962-6-9 62333 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  RSA592294  Malva parviflora Louis C. Wheeler 1967-5-13 9543 Los Angeles San Gabriel Canyon, Ward's Grove. 262 Comment
  SD251719  Marah fabacea M. B. Dunkle 1939-4-4 7251 Los Angeles San Clemente Island, Chenetti Canyon Comment
  RSA660763  Marah macrocarpa Jeff Weiler 1981-4-4 1 Los Angeles Edison right of way between Foothills Blvd. and Olive Lane. Adjacent to Indian Ave. In La Canada. Comment
  UCR118960  Marah macrocarpa David Charlton 1989-4-30 2969 Los Angeles San Gabriel Mtns., Angeles Crest Highway near Angeles Crest Station, southern boundary of the Angeles National Forest. 762 Comment
  RSA256462  Marah macrocarpa P. A. Munz 1940-4-29 16576 Los Angeles San Antonio Wash, northeast of Claremont. 518 Comment
  RSA604499  Marah macrocarpa var. macrocarpa L. C. Wheeler 1933-5-5 1702 Los Angeles San Gabriel Mountains: Fish Canyon 304 Comment
  UCR271555  Marrubium vulgare R. G. Swinney 2011-3-18 14144 Los Angeles San Gabriel Mountains, Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail 366 Comment
  UCSB5705  Marrubium vulgare Wedberg, H. 1958-2-22 Los Angeles About 2 miles west of Beverly Glen Blvd, on Mulholland Drive, Santa Monica Mts Comment
  SD107904  Marrubium vulgare Larry DeBuhr, Gary Wallace 1972-9-3 704 Los Angeles San Clemente Island; at the base of the canyon at the south end of the cove south of Eel Point. 91 Comment
  SFV4054  Matricaria discoidea K. A. Wilson 1961-3-14 1025 Los Angeles Santa Monica Mountains Mulholland Highway, 0.5 miles west of Seminole Hot Springs. Small valley with running stream. 290 Comment
  JEPS30877  Meconella denticulata John H. Thomas 1957-5-25 6776 Los Angeles ca 7 mi nne Pasadena (w side of Santa Anita Canyon); San Gabriel Mtns Comment
  RSA600731  Medicago polymorpha L. C. Wheeler 1955-4-30 7147 Los Angeles San Jose Hills: ca. 1/2 mile north-westerly from Puddingstone Dam.. Comment
  POM155739  Medicago polymorpha M. B. Dunkle 1928-4-10 1814 Los Angeles Emerlad Bay. 30 Comment
  CAS-BOT-BC281536  Melica imperfecta Javier Penalosa 1961-5-21 1515 Los Angeles San Gabriel Canyon Comment
  CATA127  Melica imperfecta Mark L. Hoefs, A. Douglas Propst 1973-3-14 97 Los Angeles Santa Catalina Island: Ridge between Cape and Skull Canyons 304 Comment
  CATA772  Melica imperfecta Mark L. Hoefs 1991-6-5 1332 Los Angeles Santa Catalina Island: Hillside southeast of Hamilton Cove 60 Comment
  POM202382  Melica imperfecta P. A. Munz 1934-4-2 13139 Los Angeles Puddingstone Canyon, San Dimas. 304 Comment
  RSA0106489  Melica imperfecta R. G. Swinney 2011-3-18 14159 Los Angeles San Gabriel Mountains: Glendora, east side of Mull Canyon, southeast of Mull Canyon debris basin, along Marshall Trail. 366 Comment
  RSA595412  Melica imperfecta Mark Hoefs, R. F. Thorne 1996-4-6 2606 Los Angeles Santa Catalina Island, Pebbly Beach. 6 Comment
  UCR129880  Melica imperfecta Joseph M. Keefe 1978-4-28 22830 Los Angeles Transverse Range: Verdugo Mtns, La Crescentia, Henderson Canyon Creek, 0.5 km west of Lockerbie Road on Whitting Woods Road 427 Comment
  UCSB414  Melica imperfecta H., J. 1935-4-24 Los Angeles San Dimas Exp. Forest; trail above Wolfskill flume; sec 18, T 1N, R 8W 609 Comment
  CAS-BOT-BC281095  Melica stricta A. D. E. Elmer 1902-6-1 3719 Los Angeles Acton, Mt Gleason Comment
  RSA660179  Melica stricta Orlando Mistretta 1992-5-25 428 Los Angeles Fenner Canyon Conservation Camp 1738 Comment
  RSA547817  Melilotus albus T. S. Ross 1990-6-20 3629 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
  POM348187  Melilotus indicus Wayne E. Sawyer 1891-5-10 s.n. Los Angeles University Place Comment
  RSA656766  Mentha Valerie L. Soza, Laura Moore 2000-6-14 1008 Los Angeles San Gabriel Mountains: Spring at Big Cienega, ca. 0.6 mile NE of Deer Flat Campground along South Hawkins Road (FS Road 3N07.2). 1982 Comment
  UCR124678  Mentzelia albicaulis B. C. Templeton, I. W. Clokey 1930-4-8 1031 Los Angeles Mojave Desert, west of Lancaster 710 Comment
  RSA0097173  Mentzelia dispersa R. G. Swinney 2011-6-1 14969 Los Angeles San Gabriel Mountains: north base of Strawberry Peak along the Colby Canyon Trail, at lowest of three 'dry lakes'? 1207 Comment
  IRVC28613  Mentzelia micrantha A. C. Sanders, Mark Elvin 2002-6-20 25238 Los Angeles Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river NE end of Santa Susana Mtns. 290 Comment
  RSA599675  Mentzelia micrantha Steve Boyd, Lauren Raz 1997-5-6 9694 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
  SFV2383  Mentzelia micrantha A. M. Johnson 1934-5-4 4471 Los Angeles Palos Verdes Peninsula Sepulveda Canyon. 200 Comment
  HSC15857  Mentzelia nitens C. S. Apperson 1966-4-16 Los Angeles 12 mi. W of Sierra Hwy. on D Ave. Comment
  UCR184102  Mentzelia veatchiana A. C. Sanders, T. B. Salvato 2007-4-24 33475 Los Angeles Tehachapi Mountains, hills above head of Oso Canyon near Kern Co. line, along dirt gasline road (track), c. 1.25 mi. SW of National Cement Plant 1220 Comment
  RSA710834  Mentzelia veatchiana LeRoy Gross 2005-5-3 2209 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., [From] Near 34.46587N, 117.86280W to 34.46838N, 117.87262W, then back to 34.47336N, 117.86053W. 1085 Comment
  UCD38453  Mentzelia veatchiana Beecher Crampton 1955-4-28 2727 Los Angeles 15.5 miles west of Lancaster. Comment
  UCR143427  Mesembryanthemum crystallinum I. M. Johnston 1917-4-11 s.n. Los Angeles Coastal Plains and Basins; Los Angeles Basin region, Wilmington 3 Comment
  UCR68896  Mesembryanthemum crystallinum Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-7 4273 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA402620  Mesembryanthemum nodiflorum M. B. Dunkle 1928-4-9 1812 Los Angeles Emerald Bay, Santa Catalina Island. Comment
  SBBG113265  Microseris douglasii S. A. Junak 1997-3-27 SCa 357 Los Angeles upper part of Cape Cyn drainage, ca. 0.65 mi SW of Black Jack Pk 396 Comment
  POM246542  Microseris lindleyi F. R. Fosberg 1931-3-27 4403 Los Angeles Hamilton Canyon, near Avalon. Santa Catalina Island. 80 Comment
  RSA555348  Microseris lindleyi D. Charlton 1991-5-21 5232 Los Angeles Ritter Ridge, city park site, south of 30 St west terminus. Narrow north facing canyon. 1037 Comment
  RSA535740  Microseris lindleyi Timothy S. Ross 1991-5-23 5489 Los Angeles San Clemente Island, Lower Tota Canyyon, Middle of Island, eastern escarpment. 61 Comment
  POM34  Mimulus aurantiacus O. W. Robinson 1916-3-15 s.n. Los Angeles Johnson's Pastures. [N of Claremont] Comment
  RSA250689  Mimulus aurantiacus Robert F. Thorne 1971-4-2 41432 Los Angeles Johnson's Pasture's, N. of Mountain Avenue, Claremont. 549 Comment
  RSA0045479  Mimulus aurantiacus Jami Liberi 1983-5-1 29 Los Angeles Located in Claremont, across the street from the San Antonio Dam. 640 Comment
  UC1215187  Mimulus aurantiacus var. parviflorus Peter H. Raven 1962-5-10 17731 Los Angeles w Thirst (Horse Canyon); San Clemente Island 274 Comment
  JEPS87294  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-23 1077 Los Angeles 1.5 mi nw Bouquet Canyon Road (along road to Green Valley) 915 Comment
  UCR205676  Mimulus aurantiacus var. pubescens A. C. Sanders, T. B. Salvato 2009-5-29 37033 Los Angeles San Gabriel Valley, Irwindale at NW edge of Baldwin Park, under SCE power lines NW of San Gabriel River and SE of 605 Fwy, S of Live Oak Ave. 114 Comment
  UC1293691  Mimulus brevipes P. C. Everett and E. K. Balls 1959-6-2 23846 Los Angeles 1 mi ne Stokes Canyon; Santa Monica Mts. 182 Comment
  CSUSB1899  Mimulus brevipes Keith Thompson 1969-11-15 Los Angeles Cedar Springs 1158 Comment
  UCR259164  Mimulus cardinalis R. G. Swinney 2010-6-23 13365 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
  RSA616377  Mimulus floribundus Scott D. White, Pam De Vries 1998-5-15 6492 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
  RSA733128  Mimulus floribundus R. G. Swinney 1998-7-30 6583 Los Angeles San Gabriel Mtns.: tributary of Cow Canyon at Fallen Leaf Spring, c. 2.4 mi. SW of Cow Cyn. Saddle of Glendora Rodge Rd. 1338 Comment
  UC1537593  Mimulus fremontii var. fremontii Gordon H. True Jr. 1935-4-19 243 Los Angeles 4 mi n San Bernardino (mouth of canyon); Devil Canyon 609 Comment
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Jun 5 2015
  RSA442759  Mimulus guttatus Freda Detmers 1928-4-22 s.n. Los Angeles Los Angeles. Comment
  UC184469  Mimulus guttatus A. D. E. Elmer June, 1902 3645 Los Angeles Acton Mt. Gleason Comment
  RSA158276  Mimulus guttatus Peter H. Raven 1962-7-11 18002 Los Angeles Rocky walls of Twin Canyon, where scattered, San Clemente Island. 320 Comment
  RSA447958  Mimulus guttatus Robert Kessler 1925-10 s.n. Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  RSA238211  Mimulus johnstonii Robert F. Thorne 1969-7-2 38279 Los Angeles Angeles National Forest: Upper Chilao Campground 1616 Comment
  RSA0056597  Mimulus johnstonii Louis C. Wheeler 1948-6-13 6644 Los Angeles San Gabriel Mountains: Coldwater Canyon, off Big Tujunga. 1006 Comment
  JEPS11362  Mimulus nasutus F. W. Peirson 1918-5-19 197 Los Angeles back of Altadena; San Gabriel Mts., Millards Canyon 762 Comment
  RSA604488  Mimulus pilosus Louis C. Wheeler 1967-9-17 s.n. Los Angeles San Gabriel Mountains: Foot of Holiday Hill Ski Lift. 1997 Comment
  UCSB33657  Mimulus pilosus Miller, Brian 1960-6-23 Los Angeles Devil's Gate Dam 457 Comment
  RSA0006059  Mimulus traskiae Blanche Trask 1901-1 s.n. Los Angeles Catalina Island. Avalon. Comment
  POM123159  Minuartia douglasii Marcus E. Jones 1882-5-2 s.n. Los Angeles Pasadena. Comment
  RSA675024  Minuartia douglasii Scott D. White, Kent Hughes 2000-5-17 7871 Los Angeles San Gabriel Mts./Soledad Cyn.: Canyon bottom and adjacent steep N-facing slope. 579 Comment
  SBBG33609  Minuartia douglasii V. Soza with S. Boyd 2002-4-10 1413 Los Angeles W side of Haskell Cyn, Del Sur Ridge 564 Comment
  SEINET13711389  Mirabilis californica J. Adams, J. Adams (Botany) 1965-1 77 Los Angeles Claremont, N End Indian Hill Blvd, Thompson's Wash 1400 Ft 427 Comment
  UCR223166  Mirabilis laevis R. G. Swinney 2009-5-20 10812 Los Angeles Transverse Range; San Gabriel Mtns., Juniper Hills, upper Indian Bill Canyon, a narrow mile-long canyon draining north from west end of Pleasant View Ridge 1433 Comment
  CAS-BOT-BC434619  Mirabilis laevis var. crassifolia Le Roy Abrams 1901-4-4 1337 Los Angeles Chatsworth Park Comment
  RSA0027976  Mirabilis laevis var. crassifolia Damian Ross 1997-4-19 29 Los Angeles Bernard Biological Field Station, Claremont Colleges. Just E of Phake Lake on E side of main trail 412 Comment
  SBBG84  Mirabilis laevis var. crassifolia R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SD21272  Mirabilis laevis var. crassifolia Norman E. Bilderback 1938-4-17 Los Angeles Avalon, Catalina Island. Comment
  UCR281366  Mirabilis laevis var. crassifolia R. G. Swinney 2014-5-15 16511 Los Angeles San Gabriel Mountains, Glendora, ridge system between west and north forks of Hook Cyn., 0.48 miles north of Sierra Madre Ave. 427 Comment
  PASA596  Mirabilis laevis var. glutinosa Frank W. Peirson 1930-7-10 Los Angeles Big Rock Creek 1371 Comment
  UC7636  Mirabilis laevis var. retrorsa J. Burtt Davy May 9-24 1896 2294 Los Angeles Antelope Valley Comment
  UCR36458  Mirabilis multiflora var. pubescens A. C. Sanders, F. C. Vasek 1984-6-6 5085 Los Angeles Mojave Desert, Antelope Valley, dry grain field along Hwy 138 [at Ave 100 West], 0.6 mi east of where it crosses the California Aqueduct, 7 mi east of Ave. 170 W 884 Comment
  SFV7498  Modiola caroliniana M. H. Grayum 1975-5-4 s. n. Los Angeles San Fernando Valley Los Angeles, Northridge. 18521 Prairie Street. 260 Comment
  UCR147676  Monardella australis L. C. Wheeler 1967-9-2 10608 Los Angeles San Gabriel Mountains, Angeles National Forest, N side Twin Peaks 2073 Comment
  RSA608674  Monardella australis subsp. australis Louis C. Wheeler 1946-8-29 6308 Los Angeles San Gabriel Mountains: Vincent Gap. 2012 Comment
  VVC2925  Monardella breweri subsp. breweri Tim Thomas 2014-5-4 6292 Los Angeles Mojave Desert, Antelope Valley 2.6 miles north of Neenach, just east of aqueduct just south of Ave A. 884 Comment
  POM4064  Monardella cinerea I. M. Johnston 1917-8-22 1693 Los Angeles Little Baldy 2896 Comment
  CAS-BOT-BC349493  Monolopia lanceolata Le Roy Abrams 1901-4-4 1317 Los Angeles Santa Monica Mts. bordering San Fernando Valley Comment
  CAS-BOT-BC444848  Montia fontana Louis C. Wheeler 1934-3-3 2387 Los Angeles Puddingstone Dam, San Jose Hills 304 Comment
  POM193560  Mucronea californica C. C. Parry 1933-1 262 Los Angeles [San Gabriel Mts] Comment
  RSA618663  Muhlenbergia asperifolia LeRoy Gross 1998-9-27 68 Los Angeles Liebre Mtns. Fish canyon.: Elizabeth lake canyon road to warm springs road ,west 7 miles to cienaga campground. to trail up into fish canyon. 883 Comment
  RSA535876  Muhlenbergia microsperma Timothy S. Ross 1991-9-1 5905 Los Angeles Near Mulholland Hwy x Yerba Buena Road. 405 Comment
  UCD86839  Muhlenbergia microsperma P. B. Kennedy 1928-3-29 s.n. Los Angeles Santa Catalina Island Eagle's Nest. Comment
  RSA710750  Muilla maritima Valerie L. Soza, Bill Hogshead 2003-4-23 1642 Los Angeles Brand Park, ridgetop between Brand Canyon and Childs Canyon. 640 Comment
  UCR109030  Muilla maritima L. C. Wheeler 1968-5-24 s.n. Los Angeles San Gabriel Mtns., NW slope of Smith Mtn, along the Bear Creek Trail 1250 Comment
  CAS-BOT-BC327740  Munzothamnus blairii Steven A. Junak 1996-7-24 SCI- 650 Los Angeles San Clemente Island. Box Canyon, ca 1.2 miles inland from beach 228 Comment
  UC1215172  Munzothamnus blairii Peter H. Raven 1962-5-10 17717 Los Angeles just n Thirst; San Clemente Island 198 Comment
  SD216573  Myoporum laetum Andrew Chen 2011-1-3 1438 Los Angeles Azusa; Along San Gabriel River Bike Trail, east bank, 100-350m north of Foothill Blvd. Comment
  SBBG13272  Myriopteris newberryi M. A. Piehl 1962-6-9 62328 Los Angeles China Cyn (near head), ca. 2 mi from China Pt 213 Comment
  SD139748  Myriopteris newberryi Jon Rebman 1996-4-28 3101 Los Angeles San Clemente Island: Eagle Canyon on southeast side of island 149 Comment
  RSA0119546  Nama demissa R. G. Swinney 2014-4-30 16265 Los Angeles San Gabriel Mountains; 3.8-4.0 miles s. of Hwy. 138 on w. side of Largo Vista Road to ridge, c. 100 meters to the west. 1387 Comment
  RSA526618  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4206 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  UCD87408  Nassella cernua W. Biehler 1951-4-27 s.n. Los Angeles Elizabeth Lake area. Comment
  CAS-BOT-BC259912  Nassella lepida Marcus E. Jones 1882-5-2 3544 Los Angeles Pasadena Comment
  POM1085  Nassella lepida C. V. Piper 1904-5-16 6810 Los Angeles Los Angeles. Comment
  SBBG31223  Nassella pulchra R. F. Thorne 1966-4-6 35930 Los Angeles ca. 1 mi W of Empire Landing 213 Comment
  POM6813  Nasturtium officinale P. A. Munz, L. T. Street, G. Williams 1919-4-2 2494 Los Angeles Puente Comment
  RSA431550  Nasturtium officinale Tisdale 1929-5-12 20653 Los Angeles Malibu Ranch Comment
  JEPS123211  Navarretia fossalis David Gowen 2011-6-28 1167 Los Angeles West of Lancaster. West of the Antelope Valley Poppy State Preserve. East of intersection of Lancaster Road and 170th St. West. Comment
  UC856870  Navarretia hamata Ira W. Clokey, B. Templeton 1929-7-1 4577 Los Angeles Mandeville Canyon Santa Monica Mountains 250 Comment
  UC1008716  Navarretia hamata Kay H. Beach 1943-7-24 1878 Los Angeles Tanbark Flat, near Lysimeters San Dimas Experimental Forest Comment
  UCR208949  Navarretia hamata subsp. hamata I. W. Clokey, B. C. Templeton 1929-1 4577 Los Angeles Western Transverse Range; Santa Monica Mtns., Mandeville Canyon 300 Comment
  SEINET10458430  Nemacladus longiflorus Alice Eastwood 1906-6-5 Eastwood 232 Los Angeles Comment
  RSA775512  Nemacladus sigmoideus Orlando Mistretta, Christine Mistretta 2010-5-20 5173 Los Angeles San Gabriel Mountains region: Aliso Creek, slopes W of Angeles Forest Hwy., 0.6 miles S of jct. with Aliso Cyn. Rd. 1280 Comment
  RSA662611  Nemophila menziesii Paul Neipp 1994-4-21 13 Los Angeles directly west of San Dimas Ranger Station on San Dimas Canyon Rd. Comment
  UC24222  Nemophila menziesii Harley P. Chandler 1897-2-10 Los Angeles Claremont 365 Comment
  UC1922890  Nemophila menziesii var. integrifolia Valerie Soza, Leland Lubinsky 2001-5-16 1226 Los Angeles Transverse Ranges; Verdugo Mountains region; Northern San Rafael Hills: Liz's Loop (Edison Road) to Cherry Canyon Fire Road. 457 Comment
  UC697772  Nemophila menziesii var. integrifolia Kay H. Beach 1943-4-3 1735 Los Angeles Tanbark Flat San Gabriel Mts., Tanbark Flat 822 Comment
  POM177155  Nemophila pedunculata Ralph Hoffmann 1931-6-6 s.n. Los Angeles Alamo Creek, orthern Los Angeles Comment
  SD186056  Nerium oleander A. C. Sanders 2003-3-14 25783 Los Angeles Long abandoned gravel pit on boundary between Irwindale and Azusa, east of Irwindale Ave. and south of Foothill Blvd. 519 Comment
  UCR126250  Nerium oleander A. C. Sanders 2003-3-14 25783 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
  UCR210433  Nerium oleander R. G. Swinney 2008-11-30 9879 Los Angeles San Gabriel Mtns., Azusa/Irwindale boundary, San Gabriel River Channel within 75 m of Foothill Blvd. bridge 177 Comment
  RSA749243  Nicotiana attenuata R. G. Swinney 2005-8-11 8468 Los Angeles Big Rock Creek at Paradise Springs 1439 Comment
  RSA497531  Nicotiana bigelovii Walter Wisura 1989-7-14 4411 Los Angeles Growing naturally at RSA. Comment
  CDA5794  Nicotiana glauca Phillipson 1915-5-6 Los Angeles Monrovia. Comment
  RSA0080652  Nicotiana glauca R. G. Swinney 2010-5-29 13012 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  RSA483726  Nicotiana glauca Richard Noyes, L. Arnseth 1988-4-30 520 Los Angeles Claremont; 100 meters east of Thompson Creek Dam 500 Comment
  RSA624054  Nicotiana glauca Louis C. Wheeler 1967-5-23 9694 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  RSA657462  Nicotiana glauca L. Yamanaka 1979-6-5 107 Los Angeles Verdugo Mountains Region: 150 meters from Glendale City College Cafeteria, located on Mountain Ave. and Verdugo Blvd., Glendale; plant on trail starting from upper parking lot. Feet. Comment
  IRVC28599  Nicotiana glauca A. C. Sanders, Mark Elvin 2002-6-19 25201 Los Angeles Newhall Ranch, hills south of Santa Clara River, 0.5 mi. SE of Del Valle, SW of Castaic Junction, N of Potrero Cyn. NE end of Santa Susana Mtns. 282 Comment
  SEINET10917756  Nicotiana tabacum Heidi H. Schmidt 1999-10-10 Schmidt 3970 Los Angeles City of Santa Monica. M & A Tobacco: 1803 Lincoln Blvd. # C; Santa Monica, CA: 90404: (310) 314-9839 - phone. 40 Comment
  SEINET3156852  Nitrophila occidentalis G. B. Grant 841 Los Angeles Santa Monica Comment
  UC1594377  Nuttallanthus texanus Tim Ross 1992-4-16 6203 Los Angeles 289 degrees wnw and 680 m distant from peak above Stone Station (central part of San Clemente Island); San Clemente Island 416 Comment
  RSA114435  Oenothera californica subsp. californica Harlan Lewis, H. Weberg 1957-4-13 s.n. Los Angeles Littlerock, roadside in desert [burg?]. Comment
  POM355619  Oenothera elata subsp. hirsutissima P. A. Munz 1930-7-3 S- 3100 Los Angeles San Gabriel River, El Monte. Comment
  UCR260029  Oenothera elata subsp. hirsutissima R. G. Swinney 2010-4-21 12321 Los Angeles San Gabriel Mountains, Pacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash 457 Comment
  UC1007155  Oenothera elata subsp. hirsutissima Philip A. Munz 1935-9-19 13991 Los Angeles Claremont Comment
  UCD107001  Oenothera sinuosa J. B. Perret 1921-9-1 s.n. Los Angeles San Fernando. Comment
  POM9739  Oenothera speciosa P. A. Munz 1921-05 4560 Los Angeles Between Chino & Pomona. 274 Comment
  IRVC27307  Olea europaea A. C. Sanders, Mark Elvin, Dave Fleitner 2003-8-7 27155 Los Angeles Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon NE end of Santa Susana Mtns. 335 Comment
  UCSB23385  Oligomeris linifolia Raven, Peter 1962-5-8 Los Angeles Near south end of Seal Cove 15 Comment
  POM317736  Opuntia littoralis David Walkington 1963-6-20 181 Los Angeles Southwest of Walnut Ave., 0.2 mi N of Puddingstone Rd., San Dimas. 305 Comment
  RSA439555  Opuntia oricola Edwin Kline 1924-6-9 s.n. Los Angeles Mountains of Los Angeles. Comment
  RSA771604  Orobanche R. G. Swinney 2009-5-28 10972 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  CAS-BOT-BC502726  Orobanche bulbosa I. M. Johnston 1917-7-1 1430 Los Angeles San Antonio Mountains: Evey Canon 1371 Comment
  RSA0055999  Orobanche fasciculata Richard G. Swinney 2010-5-25 12984 Los Angeles San Gabriel Mountains: just south of boundary of Placerita Canyon Natural Area, in Natl. Forest, Manzanita Mountain (on park map but not on USGS topo), just north jct. of Manzanita Mtn. Trail and USFS ridge firebreak. 659 Comment
  RSA0034969  Oryzopsis hymenoides S. Karlin 1966-04 s.n. Los Angeles Lovejoy Buttes Comment
  CATA3350  Osteospermum fruticosum Julia Parish 2017-3-10 016 Los Angeles Santa Catalina Island: Renton Pass house landscaping, about 30 meters from house 0 Comment
  POM11448  Oxalis albicans subsp. californica P. A. Munz, R. D. Harwood 1920-5-15 4011 Los Angeles [Coldwater] Canyon 305 Comment
  LA50660  Oxalis californica W. O. Griesel; 1936-3-14 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Faculty Hill. Comment
  UCD110735  Oxalis californica Daryl Koutnik 1978-4-28 447 Los Angeles Lobo Canyon at end of Lobo Road. 304 Comment
  CAS-BOT-BC474751  Oxalis pes-caprae Louis C. Wheeler 1973-3-29 s.n. Los Angeles West side Millard Canyon: between Canyon Crest Dr & National Forest boundary Comment
  RSA162826  Oxalis rubra J. D. Olmsted 1959-3-23 309 Los Angeles Blanchard Park on Pomona College campus by area catching runoff from sprinkling system-common weed. San Antonio wash. 366 Comment
  RSA629689  Oxytheca parishii var. parishii Scott D. White, Dave Bramlet 1998-8-11 7050 Los Angeles West of Mt. Islip: Just above eastern boundary of San Gabriel Wilderness. Ca. 4-mile closed section of Highway 39 from ca. 1.6 mile W of junction Crystal Lake access road to junction Highway 2. 1707 Comment
  OBI53718  Paeonia californica David Charlton 1988-4-2 1474 Los Angeles Cleghorn Rd Turnoff on Cajon Pass, I15, Swarthout Valley Rd to end of pavement. Site is under powerline Rolling hills 1676 Comment
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Feb 4 2015
  UC1302325  Paeonia californica Peter H. Raven and Robert F. Thorne 1964-5-7 19026 Los Angeles near Seminole Hot Springs; Santa Monica Mountains, Saddle Rock Ranch Comment
  RSA615516  Paeonia californica Louis C. Wheeler 1968-4-13 s.n. Los Angeles San Gabriel Mountains: Just west of Bluebird Truck Trail. 473 Comment
  SEINET10799056  Palafoxia arida David B. Dunn 1948-2-21 Dunn 3660 Los Angeles In wash. A rain about two weeks earlier. Hills still quite dry. Near Pushawalla. Comment
  UCD88608  Parapholis incurva Brandegee Date Unknown s.n. Los Angeles Catalina Island. Comment
  RSA534024  Parietaria hespera var. hespera Tim S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-19 5280 Los Angeles San Clemente Island. Westerly fork of Near-Death Canyon, draining to Mosquito Cove(drainage beginning 800 ft. N of Rest 1336' marker; 1800 ft SE of Malo Knoll (1396'). Upper portion of drainage. 305 Comment
  UC1280982  Parkinsonia aculeata H. E. McMinn 1934-9-22 3695 Los Angeles Whittier Comment
  SD187492  Parthenocissus vitacea Scott D. White 2006-7-18 11635 Los Angeles SE Tehachapi Mtns.: Gorman area, riparian zone along Gorman Creek, NE of the I-5 Freeway 1006 Comment
  RSA509611  Paspalum dilatatum L. C. Wheeler 1966-10-25 9058 Los Angeles San Gabriel Mountains; 1/4 mi N of El Encanto. Comment
  RSA766060  Paspalum quadrifarium R. E. Riefner Jr. 2007-7-1 07 -288 Los Angeles City of San Dimas, Puddingstone Reservoir, Bonelli Regional Park, East Shore Dr., in open riparian woodland. 285 Comment
  SBBG63476  Pectocarya anisocarpa R. Hoffmann 1925-5-16 Los Angeles Antelope Valley Comment
  SBBG37717  Pectocarya linearis subsp. ferocula R. Moran 1941-3-11 698 Los Angeles ridge N of Middle Ranch 300 Comment
  POM368773  Pectocarya penicillata N. C. Cooper 1948-4-21 2678 Los Angeles Littlerock Creek. 762 Comment
  SEINET3084019 Image available Pectocarya penicillata A. C. Sanders, B. Pitzer, J. Lyman 1988-4-4 7777 Los Angeles Mojave Desert, near Quartz Hill in Lancaster, S of Ave. L at 37th St. West. Comment
  UCR155696  Pectocarya penicillata A. C. Sanders, T. B. Salvato 2005-4-26 29708 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, Plum Canyon Rd. in Mint Canyon, NW of Forest Park and south of Cruzan Mesa 671 Comment
  UC1595475  Pectocarya recurvata Tim Ross 1992-4-4 6105 Los Angeles 1 mi se Black Butte (middle butte of the three); sw Mojave Desert, Three Sisters 969 Comment
  RSA0108830  Pectocarya setosa R. G. Swinney 2010-5-21 12895 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. Angeles Forest Hwy. and Mt. Emma Rd. 1299 Comment
  RSA593456  Pectocarya setosa Steve Boyd 1996-4-24 8639 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA709628  Pectocarya setosa LeRoy Gross 2005-4-28 2122 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.)., East of Mt. Emma Road. Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  RSA728993  Pectocarya setosa Gary D. Wallace, B. Gustafson, D. Minor, M. Wallace, F. Runyon, B. Bird 1982-4-26 1979 Los Angeles Fort Tejon Road. Comment
  RSA710832  Pectocarya setosa LeRoy Gross 2005-5-3 2212 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
  SFV5830  Pedicularis semibarbata M. L. Vincent 1964-6-24 589 Los Angeles San Gabriel Mountains On Old Blue Ridge Road 1 mile from Angeles Crest Highway at road to private camp for horseback overnights -- Jackson Flats. 2285 Comment
  CATA2238  Pelargonium X hortorum Sara L. Crockett 1997-3-7 84 Los Angeles Santa Catalina Island: 323 Clemente Street 24 Comment
  UC1215285  Pellaea andromedifolia Peter H. Raven 1962-4-11 17304 Los Angeles ca. 1 mi s Wilson Cove; San Clemente Isl 121 Comment
  UCR216754  Pellaea andromedifolia R. G. Swinney 2009-2-20 10006 Los Angeles San Gabriel Mtns., El Encanto, Azusa River Wilderness Park, off Hwy 39 305 Comment
  RSA686740  Pellaea andromedifolia M. V. Hood 1945-5-1 2240 Los Angeles Tapia Park area 762 Comment
  RSA229092  Pellaea mucronata subsp. californica R. F. Thorne, C. W. Tilforth, John Dourley 1969-7-29 38864 Los Angeles N facing slope above Angeles Crest Hwy N & below Lily Spring at headwater of S fork Big Rock Creek 2317 Comment
  SFV63  Pellaea mucronata var. californica P. G. Kilburn 1957-12-28 575 Los Angeles San Gabriel Mountains Devil's Punchbowl. 1067 Comment
  LA3550  Pellaea mucronata var. mucronata J. Warren; 1952-5-27 sn Los Angeles SANTA MONICA MOUNTAINS, Las Flores Canyon 548 Comment
  UC223690  Pellaea mucronata var. mucronata C. F. Millspaugh 1920-2-3 4655 Los Angeles Equestrian Trail above Avalon Canyon; Santa Catalina Isl. Comment
  CATA3485  Pennisetum setaceum Nathalie Cartan, Julia Parish, Benjamin Dion, Michael Thomas 2017-10-11 006 Los Angeles Santa Catalina Island: Channel side; landscaped area on northeast edge of empty lot between Marilla Ave and Hiawatha Ave in Avalon 41 Comment
  UCR203105  Penstemon caesius R. G. Swinney 2001-8-27 8104 Los Angeles San Gabriel Mountains, Mt. Burnham, west of Mt. Baden-Powell 2743 Comment
  POM305759  Penstemon centranthifolius Henry J. Ramsey, Henry J. Ramsey 1957-3-26 965 Los Angeles Pacoima Canyon, Angeles National Forest. Comment
  SFV3430  Penstemon centranthifolius P. G. Kilburn 1958-3-11 653 Los Angeles San Gabriel Mountains Wayside Honor Ranch, south of Castaic. 305 Comment
  UCD124077  Penstemon centranthifolius Daryl Koutnik 1978-4-28 448 Los Angeles Lobo Canyon at end of Lobo Road. 304 Comment
  SEINET8112617 Image available Penstemon grinnellii Noel H. Holmgren, James L. Reveal 1966-1 2609 Los Angeles San Gabriel Mountains, Grandview CAnyon, County Road N4, 4.5 miles below (west northwest of) Big Pines Station 1707 Comment
  POM171399  Penstemon grinnellii subsp. grinnellii Unspecified 1930-7-30 s.n. Los Angeles San Gabriel Mts. Comment
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Feb 5 2011
  UCSB6179  Penstemon heterophyllus Gill, Robert 1959-6-10 Los Angeles Johnson pasture; San Gabriel Mt Range Comment
  NY601642  Penstemon heterophyllus var. australis B. W. Everman 1916-5-15 s.n. Los Angeles Newhall Comment
  SBBG54519  Penstemon heterophyllus var. australis F. W. Pennell 1940-4-18 25139 Los Angeles slope E of Frenchman's Flat Comment
  JEPS23231  Penstemon heterophyllus var. heterophyllus Rimo Bacigalupi with Reino Alava 1958-7-21 6460 Los Angeles opposite Forsythe Canyon (at northern base of Sawmill Mtn., in dry gravelly creek bed of Pine Creek, in San Andreas Rift Zone (fault valley), Angeles National Forest); Angeles National Forest, San Andreas Rift Zone, Pine Creek 1075 Comment
  RSA773980  Penstemon labrosus R. G. Swinney 2009-7-22 11311 Los Angeles summit of Mt. Hillyer, north of Horse Flats. 1866 Comment
  RSA420398  Penstemon speciosus Anstruther Davidson 1926-05 s.n. Los Angeles Little Rock Creek. Comment
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Sep 6 2010
  RSA623955  Penstemon spectabilis subsp. subviscosus Bruce D. Riska 1971-5-23 29 Los Angeles Ca. 2 miles inside (N of boundry) Angeles National Forest, Mt. Baldy Road. 610 Comment
  LA94188  Pentagramma triangularis subsp. triangularis Lawrence L. Kiefer; 1966-3-6 1662 Los Angeles SANTA MONICA MOUNTAINS, ravine between Las Flores and Big Rock Rd, ca 0.25 mi above Hwy 1. 45 Comment
  RSA687381  Pentagramma triangularis subsp. triangularis C. B. Liter, J. A. Powell 1928-04 s.n. Los Angeles Santa Catalina Island. Comment
  UCSB8293  Pentagramma triangularis subsp. triangularis Wedberg, Lee 1954-4-26 Los Angeles Devil's Gate Dam, Pasadena region 243 Comment
  RSA0070737  Pentagramma viscosa R. F. Thorne 1973-4-11 42866 Los Angeles San Clemente Island: middle portion of Norton Canyon. 274 Comment
  UC21239  Perideridia pringlei Dr. A. Davidson 1894-1 Los Angeles Antelope Val. Comment
  UCSB24953  Peritoma arborea Engel, C. 1967-3-21 Los Angeles North side of the path overlooking Little Fisherman's Cove, 2.1 mi. east of the Isthmus, Santa Catalina Island 30 Comment
  UCSB7000  Peritoma arborea Wedberg, H. 1957-2-17 Los Angeles Point Dume 15 Comment
  CAS-BOT-BC73751  Peritoma arborea var. arborea Peter H. Raven 1959-3-15 13845 Los Angeles Santa Monica Mountains - Point Dume, just west of Zuma Beach Comment
  SD85070  Perityle emoryi E. R. Blakley 1962-6-9 5185 Los Angeles San Clemente Island, China Point near lighthouse 10 Comment
  RSA0042220  Perityle emoryi Mark L. Hoefs, Steven A. Junak, Keri Kirkland 1998-4-4 2839 Los Angeles Santa Catalina Island: Bluff southeast of Rippers Cove. 6 Comment
  POM18118  Phacelia austromontana P. A. Munz 1923-5-26 6844 Los Angeles head of Vincent Gulch. 2012 Comment
  RSA679902  Phacelia austromontana LeRoy Gross, Michael Denslow 2003-6-4 978 Los Angeles Trail from Islip Saddle to Mt. Williamson. 2195 Comment
  RSA0039060  Phacelia brachyloba R. G. Swinney 2010-5-11 12658 Los Angeles Acton, 0.7 road miles SE of jct. of Soledad Canyon Rd. & Crown Valley Rd., 0.3 miles east of Crown Valley Rd. on dirt Rd., below US Forest Service boundary 829 Comment
  UCR270494  Phacelia brachyloba R. G. Swinney 2011-7-7 15420 Los Angeles San Gabriel Mountains, Colby Ranch (Camp Colby), S end of Inspiration Canyon Trail, in a N-flowing tributary of upper Coldwater Cyn. 1232 Comment
  UCR272631  Phacelia brachyloba R. G. Swinney 2011-9-22 15668 Los Angeles San Gabriel Mountains, Camp Colby (Colby Ranch), c. 300 meters north of lodge along service rd. 1073 Comment
  UCR273375  Phacelia brachyloba R. G. Swinney 2011-6-22 15257 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 1790 Comment
  RSA0084499  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-4 12560 Los Angeles Grapevine Canyon, 1.3 miles NNW of Foothill Blvd. & Grapevine Cyn. junction, NW of Sylmar, west of USFS boundary. 482 Comment
  RSA427624  Phacelia cicutaria var. hispida F. R. Fosberg 1931-3-31 4432 Los Angeles Santa Catalina Island. Divide between Hamilton and Descanso Canyons. 75 Comment
  RSA594986  Phacelia cicutaria var. hispida Mark Hoefs, Steven A. Junak, Janet Takara, M. Gay 1995-7-14 2380 Los Angeles Parsons Landing, Santa Catalina Island. 3 Comment
  UCR277029  Phacelia cicutaria var. hispida R. G. Swinney 2010-5-25 12943 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  SFV17599  Phacelia davidsonii J. N. Hogue, L. H. Hogue 1998-7-2 116 .13 Los Angeles San Gabriel Mountains Granite Mountain. Roundtop campground. 1951 Comment
  UCR223057  Phacelia davidsonii R. G. Swinney 2009-6-2 11021 Los Angeles Transverse Range; San Gabriel Mtns., Horse Flats, 1 air mile NNW of Newcomb's Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  RSA0116172  Phacelia distans R. G. Swinney 2011-4-19 14398 Los Angeles San Gabriel Mountains; San Andreas Rift Zone SW of Littlerock, between S. CA Edison transmission line corridor on ridgetop & Littlerock Cr., north of Mt. Emma Rd. 945 Comment
  RSA748907  Phacelia distans R. G. Swinney 2008-5-2 8742 Los Angeles Big Rock Creek at Paradise Springs, on campground property 1470 Comment
  SD237469  Phacelia distans R. G. Swinney 2009-5-28 10950 Los Angeles Transverse Range: San Gabriel Mountains: Sulphur Springs Campground, South Fork of Little Rock Creek (Waterman Mtn. 7.5'Q) 1584 Comment
  UCR258745  Phacelia distans R. G. Swinney 2010-5-19 12826 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
  UCR272914  Phacelia distans Steven A. Junak 1991-5-17 SR- 456 Los Angeles Channel Islands, south side of island, near Officers Beach, 0.5 road mile east of NPS trailers at Johnson's Lee 6 Comment
  UC24417  Phacelia egena H. M. Hall 1896-8-12 253 Los Angeles head of Schwartout Canyon San Antonio Mountains 2072 Comment
  UC1228866  Phacelia floribunda Peter H. Raven 1962-7-12 18037 Los Angeles Northwest Harbor San Clemente Island (w end) Comment
  RSA595626  Phacelia fremontii Louis C. Wheeler 1967-5-9 9379 Los Angeles Aliso Canyon, east of Acton, ca. 1 mile downstream from Wagon Wheel Ranch. 1067 Comment
  UC1375261  Phacelia fremontii Robert F. Thorne and C. W. Tilforth 1971-6-30 40824 Los Angeles bank of desiccated branch of creek 1.8 mi below Alder Saddle; San Gabriel Mts., Angeles Nat'l For., Pinyon Flats area, S F 1554 Comment
  VVC272  Phacelia fremontii P. J. MacKay 1975-5-10 s.n. Los Angeles San Gabriel Mtns., Hwy N4, ca 1 mile north of Mile High, 2040 Comment
  HSC79812  Phacelia grandiflora James Henrickson 1973-6-23 10936 Los Angeles 1.5 mi. N of Malibu, at junction of Rambala Pacifico and Schueren Road 427 Comment
  UC1181202  Phacelia grandiflora P. C. Everett and E. K. Balls 1959-6-2 23854 Los Angeles 0.5 mi n jct. of Mulholland Drive and road to Backus; Santa Monica Mountains 609 Comment
  RSA773971  Phacelia hastata R. G. Swinney 2009-7-29 11439 Los Angeles Pacifico Mountain summit. 2134 Comment
  RSA774806  Phacelia hastata subsp. hastata R. G. Swinney 2009-7-29 11407 Los Angeles Horse Flats, 1 air mile NNW of Newcomb s Ranch at Hwy 2/Angeles Crest Hwy. 1720 Comment
  SEINET5286900  Phacelia heterosperma Unknown 1980 Los Angeles Rock Creek [banks of Rock creek, borders of the Mojave desert] Comment
  SD72727  Phacelia hispida F. R. Fosberg 1931-3-23 S 4336 Los Angeles Hamilton Canyon, near Avalon, Santa Catalina Island. 24 Comment
  UC1002527  Phacelia hubbyi A. M. Johnson 1934-5-4 4476 Los Angeles towards tunnel Santa Monica Mountains, Sepulveda Canyon (talus slope on right hand side of road) Comment
  RSA0116173  Phacelia imbricata R. G. Swinney 2011-6-15 15202 Los Angeles San Gabriel Mountains; SW of Chilao Flat near south entrance at Angeles Crest Hwy, along Silver Moccosin Trail. 1622 Comment
  RSA134024  Phacelia imbricata subsp. imbricata L. R. Heckard 1953-6-14 496 Los Angeles Near junction of road to upper Chilao recreation area along road to Horse Flat Public Camp 1829 Comment
  POM8874  Phacelia imbricata subsp. imbricata W. R. Dudley, F. H. Lamb 1896-6-8 4380 Los Angeles Liebre Mts. Comment
  RSA755590  Phacelia imbricata subsp. patula R. G. Swinney 2008-7-15 9227 Los Angeles Winston Peak. 2275 Comment
  RSA524169  Phacelia longipes Tim S. Ross, Steve D. Boyd 1990-6-6 2878 Los Angeles Piru Pond: Los Padres National Forest. (admin. by Angeles N.F.) 645 Comment
  SJSU13499  Phacelia longipes C. W. Sharsmith 1941-6-22 4402 Los Angeles Eaton Canyon, San Gabriel Mts 762 Comment
  UC672395  Phacelia longipes Herbert L. Mason 1927-6-11 3739 Los Angeles Mt. Wilson San Gabriel Mts. 1524 Comment
  UCSB6931  Phacelia longipes Heckard, L.; Bacigalupi, Rimo; Robbins, G. 1953-6-15 Los Angeles Along Forest Service road in Pacoima Canyon, near confluence of its main and its north fork, in canyon bottom; San Gabriel Mountains Comment
  CATA1217  Phacelia lyonii Mark L. Hoefs, Douglas R. Hoefs, Jorge Hernandez 1995-6-15 2275 Los Angeles Santa Catalina Island: Cottonwood Canyon 33 Comment
  RSA150838  Phacelia lyonii Peter H. Raven 1962-5-9 9 Los Angeles Floor of canyon just north of Gray, San Clemente Island. 305 Comment
  UC1348876  Phacelia lyonii Robert F. Thorne and P. Everett 1965-6-22 34886 Los Angeles s-facing slope below road to East Mountain (s end of island); Santa Catalina Island 457 Comment
  SEINET3158193  Phacelia magellanica G. B. Grant 1906-6-16 968 /6698 Los Angeles Summit Mt. Wilson 1829 Comment
  LA46951  Phacelia minor Carl Epling; M. Epling 1925-1 sn Los Angeles SANTA MONICA MOUNTAINS, Griffith Park 228 Comment
  RSA0114810  Phacelia minor R. G. Swinney 2011-5-6 14620 Los Angeles San Gabriel Mountains; north of Glendora, ridge immediately north of Garcia Canyon & south of Newman's Point, 10-150 m west of Glendora Mountain Road. 793 Comment
  RSA569924  Phacelia minor Tim S. Ross, Steve D. Boyd, L. Arnseth 1991-4-29 4836 Los Angeles Parker mountain and ridge to SW: SW of Acton and NNE of Ravenna. 1119 Comment
  SDSU6589  Phacelia minor H. Wedberg 1966-4-3 1182 Los Angeles Chaparral slope burned in 1964, above Hill Dr. at Neal, in Eagle Rock. 457 Comment
  UC1174712  Phacelia minor George W. Gillett 1954-4-23 367 Los Angeles Johnson's Pasture San Gabriel foothills (near Claremont) Comment
  RSA780099  Phacelia parryi Pam De Vries 2011-4-20 7774 Los Angeles Western Transverse Range, SW portion of the Liebre Mountains; about 0.5 air miles NNE of the intersection of Copper Hill and San Francisquito Canyon Road 426 Comment
  SEINET12280344  Phacelia ramosissima Unknown 1933-1 8520 Los Angeles desert valley near Los Angeles Comment
  RSA518030  Phacelia tanacetifolia Steve Boyd 1986-3-31 1579 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  SBBG16184  Phacelia tanacetifolia H. and M. Dearing 1933-4-9 1504 Los Angeles Little Rock Cyn Comment
  CATA1757  Phalaris aquatica Mark L. Hoefs, Steven A. Junak, J. Travis Columbus 2001-5-25 3199 Los Angeles Santa Catalina Island: Upper Bulrush Canyon, below 2nd reservoir 304 Comment
  UC572686  Phalaris caroliniana Nell Murbarger April, 1936 137 Los Angeles s end San Clemente Island; s end of San Clemente Island Comment
  SBBG133157  Phalaris lemmonii E. Howe 2010-5-16 SERG 10 -44 Los Angeles ephemeral pool on OP3 rd 519 Comment
  RSA91909  Phalaris minor F. W. Peirson 1918-4-28 1575 Los Angeles Road east and south of El Monte. Comment
  UC124543  Pholisma arenarium J. J. Rivers Dec. 1896 Los Angeles Santa Monica Comment
  POM3467  Pholistoma auritum George B. Grant 1902-04 832 Los Angeles Garvanza. Comment
  RSA692172  Pholistoma auritum Scott D. White 2003-5-20 9318 Los Angeles Northern Chino hills: Diamond Bar. Hills and canyons within gated community called The Country, east of Diamond Bar Blvd. Steep unnamed canyons draining southward into Tonner Canyon. 244 Comment
  UC440367  Pholistoma auritum Carl Epling and Lincoln Ellison 1930-3-28 Los Angeles Las Flores Canyon Santa Monica Mts., Las Flores Canyon Comment
  LA205659  Pholistoma auritum var. auritum Virginia Mars; 1951-5-5 sn Los Angeles San Gabriel Mountains, Santa Anita Canyon, Arcadia Comment
  RSA3551  Pholistoma racemosum Carl B. Wolf 1932-5-9 3495 Los Angeles Along the road to Renton Mine, about due west of Pebbly Beach, Santa Catalina Island. 305 Comment
  RSA526519  Pholistoma racemosum Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4258 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  CAS-BOT-BC141143  Phoradendron serotinum subsp. macrophyllum Del Wiens 1954-1-10 893 Los Angeles intersection of Alexander and cucamonga avennues; Claremont 365 Comment
  UCR276878  Phoradendron tomentosum subsp. tomentosum R. G. Swinney 2011-10-13 15804 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
  RSA578800  Phoradendron villosum Tim S. Ross, Steve D. Boyd, Steve Burns 1994-7-7 8130 Los Angeles Liebre Mountain: vicinity of West Summit (construed as knoll ca 85 m S of intersection of sections 3,4,9,10) 1677 Comment
  UC68814  Phyla lanceolata H. M. Hall July, 1905 6733 Los Angeles Compton Comment
  SEINET10502000  Phyllospadix scouleri Robert F. Thorne 1966-4-15 Thorne 36012 Los Angeles San Clemente Island: intertidal pools, attached to rocks ca 1/2 mile SSE of Eel Point, SW side of island; with Phyllospadix torreyi and various algae. Previously unreported from island but the dominant marine phanerogam on rocks in shallow water around island. Comment
  UCR282147  Phytolacca americana var. americana R. G. Swinney 2014-5-21 16599 Los Angeles San Gabriel Mountains, Glendora, along ridgetop and north side of ridge due south of the west fork of Harrow Cyn., north of end of Glendora Ave., along historic (abandoned early '70s) Whitcomb Trail 549 Comment
  LA32091  Picris echioides Peter H. Raven; Henry J. Thompson 1959-9-18 14437 Los Angeles West Los Angeles, along railroad tracks, Santa Monica Boulevard near Beverly Glen Boulevard 76 Comment
  RSA384290  Pinus attenuata Ora M. Clark 1929-1-6 1465 Los Angeles Elysian Park, L.A. Comment
  UCR145200  Pinus contorta var. murrayana June Latting 1977-10-16 s.n. Los Angeles San Gabriel Mountains, Throop Peak Trail 2774 Comment
  UCR190109  Pinus lambertiana R. G. Swinney 1998-8-27 6791 Los Angeles San Gabriel Mtns., ridge due north of Big Horn Ridge and south of San Antonio Ridge, 7625 ft. high spot on ridge above Coldwater Canyon 2325 Comment
  CAS-BOT-BC78871  Pinus monophylla W. R. Dudley 1899-7-22 s.n. Los Angeles Mt. Lowe, San Gabriel Mts. Comment
  HSC1523  Pinus monophylla C. E. Fellows 1965-11-28 184 Los Angeles Ca. 1 mi. SE of Longview Rd., on Los Angeles Co. N6, N foothills of San Gabriel Mtns. Comment
  RSA384362  Pinus monophylla George B. Grant 1903-1 989 Los Angeles Mt. Lowe Comment
  RSA384364  Pinus monophylla George R. Johnstone 1928-03 s.n. Los Angeles Near Little Rock, Mojave Desert Comment
  CHSC98025  Pinus pinea A. C. Sanders; Mark Elvin, Dave Fleitner 2003-8-7 27157 Los Angeles NE end of Santa Susana Mtns: Newhall Ranch, Potrero Canyon, at the old ranch headquarters (barn, corrals, etc.) in the middle of the canyon. Persisting trees in yard of the abandoned ranch house. 335 Comment
  RSA384450  Pinus ponderosa Ora M. Clark 1928-12-8 1365 Los Angeles San Gabriel Mountains, Middle elevations Comment
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Mar 27 2014
  CATA3262  Pinus radiata Julia Parish, Ben Dion 2017-1-26 004 Los Angeles Santa Catalina Island: Southeast side of Middle Ranch Road, about halfway between Pumphouse 2 and junction with Skull Ridge Road 299 Comment
  CAS-BOT-BC136588  Piperia michaelii G. B. Grant 1901-6-5 s.n. Los Angeles Field redacted by CAS, contact the data manager for more information Comment
  RSA382797  Piperia transversa George Henry Grinnell 1938-6-14 s.n. Los Angeles Near Malibu on Seminole Mountain. Comment
  CAS-BOT-BC254412  Piptatherum miliaceum Peter H. Raven; Henry J. Thompson 1959-9-6 14391 Los Angeles Santa Monica Mountains. Near mouth of Malibu Creek 12 Comment
  RSA611524  Piptatherum miliaceum L. C. Wheeler 1968-10-5 s.n. Los Angeles San Gabriel Mountains: Mouth of Roberts Canyon, San Gabriel Canyon, on west side of Roberts Canyon. 251 Comment
  SBBG63998  Plagiobothrys M. N. Ackley -Apr-1929 64 Los Angeles La Crescenta 457 Comment
  RSA611668  Plagiobothrys acanthocarpus Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10099 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  UCR122608  Plagiobothrys arizonicus George K. Helmkamp, E. A. Helmkamp 1998-5-21 4043 Los Angeles Western Mojave Desert/Transverse Range, junction of Munz Ranch Rd and Lake Elizabeth Rd., north of Lake Elizabeth 1006 Comment
  UCR214037  Plagiobothrys arizonicus A. C. Sanders, Stephen Reynolds, Anuja Parikh, Nathan Gale 2010-4-20 37963 Los Angeles Tehachapi Mountains, Crane Canyon, 1.0 mi. SE (144 deg. ) of Castac Lake, 1.7 mi. NE (43 deg. ) of Gorman, just S of Kern Co. line 1189 Comment
  UCR43735  Plagiobothrys arizonicus B. A. Prigge 1986-3-20 6961 Los Angeles Tehachapi Mtns, 0.4 mi. east of Gorman on Lancaster Road 1128 Comment
  SBBG31261  Plantago coronopus R. F. Thorne 1965-5-11 34662 Los Angeles Picnic Ground 426 Comment
  UCR194146  Plantago erecta A. C. Sanders 2008-4-25 35103 Los Angeles Transverse Range; Western San Gabriel Mtns., SLOPES WEST OF OLD LA LIEBRE RANCH, SOUTH OF HWY 138 1000 Comment
  RSA737554  Plantago erecta Sandra Leatherman 1999-3-23 69 Los Angeles Transverse Ranges, Liebre Mtns region, City of Santa Clarita, 1 mile SE of the intersection of Bouquet Canyon road and Vasquez road. 462 Comment
  UCR149302  Plantago indica R. G. Swinney 1997-7-14 5675 Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Percolation Basin, east side of Glendora Mtn. Rd. 320 Comment
  UCR199943  Plantago indica Scott D. White, Justin Wood 2008-5-19 12017 Los Angeles Los Angeles Basin, Whittier Narrows Dam County Recreation Area. San Gabriel River floodplain, between Durfee Ave. and 605 freeway. SCE powerline corridor 70 Comment
  LA91461  Platanus racemosa Bruce Douglas Clayton; Greg Shaw 1972-4-4 61 Los Angeles SANTA MONICA MOUNTAINS, Nettleburn Creek Canyon, Mountain Park Research Campus 554 Comment
  RSA0115473  Platanus racemosa T. B. Salvato, H. Spencer Badet, Mitch Provance 2007-4-26 2086 Los Angeles Tehachapi Mountains Foothills: lower Big Sycamore Canyon. 1000 Comment
  SDSU1052  Platanus racemosa Gerald Collier 1951-5-10 Los Angeles Parkway along Sunset Blvd about 50 yards west of Hilgard Avenue. UCLA campus. Comment
  CAS-BOT-BC91667  Platystemon californicus C. F. Baker 1909-5-15 5328 Los Angeles Claremont. Comment
  RSA751417  Plecostachys serpyllifolia R. E. Riefner Jr. 2009-6-9 09 -118 Los Angeles City of Malibu, vicinity of La Piedra State Beach. 3 Comment
  UCR222651  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-27 08- 385 Los Angeles South Coast, city of Malibu, ocean bluff west of El Matador State Park 6 Comment
  POM7034  Plectritis ciliosa subsp. insignis Philip A. Munz, L. T. Street, G. Williams 1919-4-5 2416 Los Angeles Puddingstone Canyon. San Dimas. 259 Comment
  JEPS36550  Pleiacanthus spinosus Frank W. Peirson 1923-8-31 4007 Los Angeles Blue Ridge, San Gabriel Mountains San Gabriel Mountains, Blue Ridge Comment
  IRVC28707  Pluchea sericea A. C. Sanders, Mark Elvin, Cathleen Weigand 2002-7-31 25496 Los Angeles canyon draining into Santa Clara River Valley from the south off "Round Mtn." (peak 1476), north of Potrero Canyon NE end of Santa Susana Mtns. 305 Comment
  UCR65244  Pluchea sericea F. R. Fosberg 1931-4-3 S- 04479 Los Angeles Channel Islands, Santa Catalina Island, Pebble Beach 2 Comment
  UC1870324  Poa bulbosa LeRoy Gross, John Gross, Johnny Gross, Matthew Gross 2002-4-27 533 Los Angeles [Transverse Ranges; San Gabriel Mountains region]; Valley Forge Campgroud, in the West Fork of the San Gabriel river. 1057 Comment
  UCR185605  Poa bulbosa A. C. Sanders 2007-4-25 33560 Los Angeles Tehachapi Mtns., Oso Canyon, 0.5 mi. SE of Kern Co. line, on Oso Canyon Rd. 1159 Comment
  UC2029991  Poa nevadensis G. D. Wallace 1979-4-19 1688 Los Angeles Transverse Ranges; Liebre Mountains region: Mojave Desert, w. of Fairmont along Lancaster Rd. Joshua Tree woodland. Comment
  UCD91815  Poa pratensis D. Barr 1950-4-27 s.n. Los Angeles Pasadena. Comment
  SEINET10659369  Poa scabrella Unknown 1926-4-10 C s.n. Los Angeles Santa Susan na a Pass. Comment
  RSA585072  Poa secunda L. C. Wheeler 1932-3-26 538 Los Angeles Puddingstone Dam, San Jose Hills 274 Comment
  RSA626110  Poa secunda LeRoy Gross 1999-4-29 154 Los Angeles Santa Susana Mountains, east end: Rice Canyon, north on interstate 5, exit Calgrove Ave. Turn left to The Old Road, City of Newhall. 426 Comment
  RSA757054  Poa secunda R. G. Swinney 2008-6-17 9061 Los Angeles ridge west of Jackson Flats, 0.4 mi. NW of Hwy 2 at Vincent Gap on Pinyon Ridge Motorway, 100 m east of junction of FS roads 4N12 and 3N26 2160 Comment
  CAS-BOT-BC236261  Poa secunda subsp. juncifolia Timothy S. Ross; Steve Boyd 1994-5-4 7672 Los Angeles Liebre Mountains. NE summit of Grass Mountain, N slopes draining toward Elizabeth Lake; S slopes toward Green Valley 1389 Comment
  CAS-BOT-BC236217  Poa secunda subsp. secunda Timothy S. Ross; Darin Banks 1994-4-13 7546 Los Angeles Liebre Mountains. Lower Spunky Canyon: easterly slope at the effluence of the canyon into Bouquet Reservoir 926 Comment
  UC121965  Poa secunda subsp. secunda T. S. Brandegee Los Angeles Santa Catalina Isl Comment
  UCD91689  Poa secunda subsp. secunda Daryl Koutnik 1978-3-29 s.n. Los Angeles Chatsworth Resevoir at the W end of the San Fernando Valley. 365 Comment
  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
  SBBG112833  Polycarpon tetraphyllum S. A. Junak with M. L. Hoefs, K. Kirkland 1998-7-16 SCa 764 Los Angeles near buildings at mouth of Cherry Cyn, at Boy Scout Camp 6 Comment
  SFV19886  Polygonum arenastrum J. N. Hogue 2005-6-4 244 .6 Los Angeles Los Angeles, Eagle Rock. Back yard garden of 1591 Grandola Ave. 195 Comment
  RSA466382  Polygonum aviculare George B. Grant 1905-5-24 1020 Los Angeles Waste lots, along streets, Pasadena Comment
  UCR259162  Polygonum lapathifolium R. G. Swinney 2010-6-23 13364 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
  CHSC8330  Polypodium californicum Edward L. Smith 1957-5-30 12 Los Angeles Located at Little Dalton Canyon, San Gabriel Mts. 365 Comment
  SBBG128177  Polypodium californicum M. L. Hoefs, R. Given 1992-5-16 1789 Los Angeles Wild Boar Gully 152 Comment
  SFV14641  Polypodium californicum S. Jonsson 1989-4-19 s. n. Los Angeles Santa Monica Mountains Devil's Canyon, north of Topanga Canyon Road development. 1.5 miles upstream of dam. Comment
  UCSB62501  Polypodium californicum Kiefer, Lawrence 1966-4-10 Los Angeles Santa Monica Mtns., Sepulveda Canyon, Sepulveda Blvd., ca. 2mi S of Mulholland Hwy, Canyon W of the Blvd. 304 Comment
  CAS-BOT-BC232407  Polypogon monspeliensis Joseph Andorfer Ewan 1936-8-2 9909 Los Angeles Mescal Canyon 1615 Comment
  CAS-BOT-BC232408  Polypogon monspeliensis Joseph Andorfer Ewan 1932-6-28 7506 Los Angeles Los Angeles River at Hyperion Bridge Comment
  RSA682713  Polypogon monspeliensis LeRoy Gross, Naomi Fraga, Bill Hogshead, Aydee Virgen 2003-6-19 1111 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
  UCR125186  Polypogon monspeliensis A. C. Sanders, Mark Elvin 2002-6-25 25265 Los Angeles NE end of Santa Susana Mtns., Newhall Ranch, large natural spring at north foot of 'Airport Mesa,' 0.75 mi. SW of Castaic Junction 305 Comment
  UCR178949  Polypogon monspeliensis R. G. Swinney 1989-5-10 s.n. Los Angeles San Gabriel Mtns., Glendora, Big Dalton Canyon Debris Basin, 0.6 mi. east of Glendora Mtn. Road 366 Comment
  SEINET10593660  Polypogon monspeliensis Amelia F. Eby Eby s.n. Los Angeles Trin Terminis of Cable Comment
  RSA0011353  Polypogon viridis Orlando Mistretta, Youssef Atallah 2011-8-16 6058 Los Angeles Aliso Canyon; 1.4 miles north of Mill Creek Summit. 1338 Comment
  RSA599119  Polypogon viridis V. W. Steinmann 1996-4-7 825 Los Angeles San Gabriel Mountains. Along Mt. Baldy Road, 2.5 kilometers (by road) south of Baldy Village. 1100 Comment
  RSA85035  Polystichum imbricans subsp. curtum F. W. Peirson 1919-12-2 1507 Los Angeles West fork of Rubio Canyon, south base of San Gabriel Mtns 838 Comment
  LA208529  Populus fremontii subsp. fremontii Louis C. Wheeler; 1932-4-9 574 Los Angeles Kings Cayon, near Elizbenth Lake 1036 Comment
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Oct 22 2014
  RSA624052  Populus fremontii subsp. fremontii Louis C. Wheeler 1967-5-23 9697 Los Angeles Near mouth of Bear Canyon, off Soledad Canyon. 579 Comment
  UCSB33625  Populus fremontii subsp. fremontii Ward, R. 1963-5-10 Los Angeles Little Rock Dam, San Gabriel Mountains 914 Comment
  POM802  Portulaca oleracea D. L. Crawford 1915-6-27 s.n. Los Angeles Claremont. Comment
  RSA608016  Potamogeton foliosus var. foliosus L. C. Wheeler 1950-9-23 6793 Los Angeles San Gabriel Mountains: Paloma Flat. Big Tujunga Canyon. 560 Comment
  CAS-BOT-BC453947  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  CAS-BOT-BC453948  Potamogeton pectinatus J. Ewan 1931-10-24 5376 Los Angeles Malibu Lake, Santa Monica Mts. 304 Comment
  UCR210084  Potentilla glandulosa R. G. Swinney 2008-7-24 9340 Los Angeles San Gabriel Mtns., Waterman Mountain, ski runway on east-facing slope 2390 Comment
  UCR95463  Prosopis glandulosa var. torreyana T. S. Ross, Annette Ross 1991-6-3 5554 Los Angeles San Gabriel Mtns., San Jose Hills [foothills of San Gabriel Mountains], undeveloped slopes west of California State Polytechnic University, Pomona 305 Comment
  RSA603958  Prunus emarginata Louis C. Wheeler 1956-9-15 7236 Los Angeles San Gabriel Mountains: Blue Ridge. Comment
  SBBG16646  Prunus fasciculata var. fasciculata Anstruther Davidson 1895-1 Los Angeles Big Rock Crk Comment
  UCR51990  Prunus ilicifolia Steve Boyd, T. S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  SBBG71033  Prunus ilicifolia subsp. ilicifolia M. N. Ackley -Jun-1927 954 Los Angeles Switzerland 914 Comment
  RSA187780  Prunus lyonii Robert F. Thorne 1966-4-29 36313 Los Angeles Santa Catalina Island. In canyon leading to N slope of Black Jack Mt. 366 Comment
  RSA188496  Prunus virginiana var. demissa Robert F. Thorne, John Olmsted 1965-8-26 35420 Los Angeles San Gabriel Mountains, Angeles National Forest: swampy area along Prairie Fork of San Gabriel River. 1585 Comment
  JEPS20529  Pseudognaphalium beneolens Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC356417  Pseudognaphalium beneolens Lewis S. Rose 1934-12-26 34500 Los Angeles Arroyo Seco Comment
  CAS-BOT-BC356418  Pseudognaphalium beneolens Clyde Ellis 1940-9-1 s.n. Los Angeles Mojave Desert, Palmdale Comment
  RSA188126  Pseudognaphalium biolettii R. F. Thorne 1966-4-28 362236 Los Angeles Santa Catalina Island: along road from Avalon to Pebbly Beach 6 Comment
  SD21292  Pseudognaphalium biolettii Norman E. Bilderback 1938-4-14 Los Angeles Santa Catalina Harbor Comment
  UCR219456  Pseudognaphalium biolettii R. G. Swinney 2009-3-28 10190 Los Angeles Transverse Range; San Gabriel Mountains, Monrovia Mountain Park, along canyon bottom from park entrance to 0.5 mi up canyon 427 Comment
  SFV16114  Pseudognaphalium californicum J. M. Kneitel 1995-4-28 35 Los Angeles San Gabriel Mountains Kagel Canyon. Dexter Park next to dry creek bed. 425 Comment
  UCR259259  Pseudognaphalium luteoalbum R. G. Swinney 2010-9-9 13745 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  CAS-BOT-BC357453  Pseudognaphalium ramosissimum Ernest Braunton 1902-8-1 643 Los Angeles Griffith Park Comment
  RSA0045431  Pseudognaphalium stramineum Wendy Boes, Andrew S. Wheeler 2009-7-13 2009 -038 Los Angeles San Gabriel Mountains; Crystal Lake Recreation Area, Big Cienega Springs Forest Service RD 3N07.2. 1981 Comment
  JEPS85663  Psoralea John Thomas Howell 1928-5-4 3772 Los Angeles Monrovia Canyon; San Gabriel Mts. Comment
  UCR202534  Pterospora andromedea R. G. Swinney 2001-8-9 8024 Los Angeles San Gabriel Mtns., Mount Williamson, western ridge 2515 Comment
  RSA584048  Pterostegia drymarioides Tim S. Ross 1992-4-21 6232 Los Angeles W and SW of Horse Canyon Saddle; along an old roadcut (ultimately joining Lower Monroe Road) that marks the NW boundary of the San Dimas Experimental Forest. 1042 Comment
  RSA747404  Pterostegia drymarioides R. G. Swinney 2008-6-4 8934 Los Angeles San Gabriel Mtns.: Devils Punchbowl Co. Park, 0.5 mile north of park headquarters in headwaters of Sandrocks Canyon. Comment
  UC284787  Pterostegia drymarioides P. A. Munz 1923-4-8 6601 Los Angeles at Wilson's Cove San Clemente Isl. Comment
  UCR47064  Purshia tridentata var. tridentata A. E. Metcalf 1987-5-23 45 Los Angeles San Gabriel Mtns., West of Wrightwood on Highway 2, 8.4 mi. west of junction of Hwy 2 and Hwy 138, at a private road to Rio Hondo Prep School 1845 Comment
  SEINET11587954  Pycnanthemum californicum Unknown 2010-9-9 13795 Los Angeles San Gabriel Mountains Comment
  RSA0080556  Pyrola dentata R. G. Swinney 1998-7-21 6460 Los Angeles Pine Mountain Ridge, c. 200 m east of Camp Lupine trail junction at Fish Fork Trail. 2220 Comment
  POM18617  Quercus berberidifolia E. S. Spalding 1921-4-9 s.n. Los Angeles Ganesha Hills, Pomona. Comment
  POM19031  Quercus berberidifolia E. S. Spalding 1921-3-23 XV Los Angeles Lone Hill, San Dimas Comment
  SFV903  Quercus berberidifolia A. M. Johnson 1934-4-20 4432 Los Angeles Santa Monica Mountains Sepulveda Canyon. Hillside beyond tunnel. Comment
  UC1135521  Quercus berberidifolia R. St. John 1930-1-18 71 Los Angeles Las Virgenes Ranch Triunfo Pass Quad. 365 Comment
  UCD170537  Quercus berberidifolia D. O. Burge 2017-5-5 2268 Los Angeles Bard Lake area. 375 Comment
  UCSB58658  Quercus berberidifolia Muller, Cornelius 1945-3-20 Los Angeles 10 mi. S. of Caswell, 12 mi. N. of Castaic Comment
  POM129223  Quercus chrysolepis George B. Grant 1902-6-10 s.n. Los Angeles Mt Wilson. 1677 Comment
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Nov 12 2010
  RSA755823  Quercus chrysolepis R. G. Swinney 2008-7-2 9111 Los Angeles Reed Spring. South Fork Big Rock Creek, 1.0 mi. north of junction of Hwy 2 & Old Hwy 39 1878 Comment
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Sep 21 2010
  SEINET4077694  Quercus chrysolepis B. C. Templeton 1939-1 7361 Los Angeles East rim at Canyon head, San Clemente Island. Comment
  UC586903  Quercus chrysolepis Joseph Andorfer Ewan 1934-8-2 8470 Los Angeles Bear Flats Ranger Station San Gabriel Mts., San Antonio Canyon 1371 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
  UCR273023  Quercus chrysolepis M. B. Dunkle 1939-11-25 7361 Los Angeles Channel Islands, San Clemente Island, east rim at canyon head Comment
  RSA567274  Quercus douglasii Tim S. Ross, Steve D. Boyd, Orlando Mistretta, Peter Fritsch, Alex Quici 1990-6-28 3944 Los Angeles About 340 m NNW of the old Tumble Inn site along stretch of road between the old Ridge Route and Liebre Gulch. 1098 Comment
  RSA619489  Quercus douglasii E. R. Blakley 1962-10-5 5465 Los Angeles Middle Ranch Canyon between mouth of Cape Canyon and its head, Santa Catalina Island 229 Comment
  CAS-BOT-BC86237  Quercus dumosa Le Roy Abrams; I. L. Wiggins 1931-7-4 323 Los Angeles Santa Catalina Island. White's Landing Comment
  CAS-BOT-BC86384  Quercus dumosa John Thomas Howell 1927-9-30 3124 Los Angeles near the zoo, Griffith Park Comment
  IRVC21334  Quercus dumosa Karlin G. Marsh 1984-9-19 s.n. Los Angeles Santa Monica Mountains. Westlake Village along Trifuno Canyon Road. 285 Comment
  RSA703268  Quercus durata var. gabrielensis D. E. Bramlet 2003-10-1 3529 Los Angeles San Rafael Hills: Chamberlin Debris Basin. Northwest of the Rose Bowl.Near Comment
  SD253461  Quercus durata var. gabrielensis R. G. Swinney 2011-10-27 15908 Los Angeles San Gabriel Mountains: West Fork San Gabriel River, c. 300 meters east (downstream) of entrance gate to Cogswell Dam, between FS Rd 2N25 and the stream (Azusa 7.5'Q) 648 Comment
  POM180213  Quercus engelmannii H. A. Miller 1931-11-1 335 Los Angeles Foothills 3 mi N Claremont (Johnson's Pasture). 671 Comment
  POM295278  Quercus engelmannii Lyman Benson 1949-10-20 14271 Los Angeles Canyon Drive just west of the mouth of Monrovia Canyon 549 Comment
  SDSU6967  Quercus engelmannii A. H. Gallup 1947-10-17 65 Los Angeles At mouth of Monrovia Canyon in gravel wash. 229 Comment
  CAS-BOT-BC94753  Quercus john-tuckeri Timothy S. Ross; Steve Boyd 1994-9-20 8246 b Los Angeles Upper Bouquet Canyon: ca 2225 m WSW of Lincoln Crest (the canyon head), and ca 2825 m E of Bouquet Reservoir, along 993 Comment
  UCR231068  Quercus john-tuckeri Dan S. Cooper 2011-9-19 s.n. Los Angeles Western Transverse Range, Bouquet Canyon, south of David Way intersection with Bouquet Canyon Rd. 425 Comment
  UCSB28159  Quercus john-tuckeri Lloyd, Robert 1959-3-24 Los Angeles At Oak Flats Fire Station, 10 mi. north of Castaic, Calif, on U.S. Hwy. 99, Tehachapi Mts. 822 Comment
  RSA476810  Quercus kelloggii Bonnie C. Templeton 1932-5-31 4843 Los Angeles Between Big Pines and Jackson Lake 1925 Comment
  SD248435  Quercus lobata R. E. Riefner Jr. 2012-12-11 12 595 Los Angeles Sun Valley, La Tuna Canyon, La Tuna Canyon Rd., at Wildwood Ave. 281 Comment
  UCD14057  Quercus pacifica John M. Tucker 1992-3-31 No. 9 Los Angeles California, Los Angeles Co.: Santa Catalina Island, upper Middle Ranch Canyon below pump station, roughly 4 1/2 mi. west of Avalon. 256 Comment
  SBBG41296  Quercus tomentella M. R. Benedict 1970-6-27 Los Angeles lower Cape Cyn about 1.5 mi above jct with Middle Cyn Comment
  SBBG43931  Quercus tomentella M. R. Benedict 1971-6-26 Los Angeles Pk 1942, directly S of White Rock, near Triangulation Pt "Alta" Comment
  SDSU6986  Quercus tomentella R. M. Beauchamp 1967-1-29 163 Los Angeles San Clemente Island. West of Thirst. Comment
  HSC8307  Quercus wislizeni var. frutescens C. E. Fellows 1965-9-7 141 Los Angeles 3 mi past Angeles Forest Hwy. on Angeles Crest hwy. 1220 Comment
  UC75894  Rafinesquia californica unknown April 1901 834 Los Angeles Avalon Catalina Island Comment
  UCR280583  Rafinesquia californica R. G. Swinney 2014-5-13 16482 Los Angeles San Gabriel Mountains, Glendora, west fork of Hook Cyn., c. 0.4 km north of Sierra Madre Av., 100-300 m west of entrance to Church of the Open Door, Colby Fire burn of Jan. 2014 354 Comment
  UCR138497  Ranunculus californicus L. C. Wheeler 1974-3-28 s.n. Los Angeles San Gabriel Mtns, Wildwood Ranch, east of Glendora 389 Comment
  RSA0051765  Ranunculus californicus Elwood Fordham 1951-3-18 s.n. Los Angeles Topanga, Robinson Road near juncture Topanga Highway. 304 Comment
  UCD115154  Raphanus raphanistrum Mark Hoefs 1973-7-13 371 Los Angeles Santa Catalina Island, Middle Ranch Canyon, just above reservoir on north side of main road. Comment
  RSA654625  Rhamnus californica subsp. californica Glenda Long 1981-4-26 24 Los Angeles West Fork San Gabriel [Canyon], 2.4 miles up road. Comment
  UC167092  Rhamnus californica subsp. californica Geo. B. Grant 1904-1 1114 Los Angeles Pasadena Comment
  CAS-BOT-BC59974  Rhamnus crocea Carl B. Wolf 1932-3-4 2668 Los Angeles S. base of San Gabriel Mts. Thompson Creek, 3-4 mi. No. of Claremont. 457 Comment
  CAS-BOT-BC55978  Rhamnus ilicifolia Herman Knoche 1919-6-25 Series A, No. 886 Los Angeles Catalina Island, Avalon Comment
  RSA0058231  Rhamnus ilicifolia Richard G. Swinney 2010-4-23 12346 Los Angeles San Gabriel Mountains: lower Loop Canyon, 0.2-0.6 miles upstream from Veterans Park, below US Forest Service boundary. 549 Comment
  RSA391040  Rhamnus ilicifolia Marcus E. Jones 1925-5-26 s.n. Los Angeles Arroyo Seco, San Gabriel Mts. Comment
  RSA497991  Rhamnus ilicifolia E. S. Spalding 1924-04 s.n. Los Angeles Between Vermont [and] Western. Comment
  RSA390828  Rhamnus ilicifolia Bonnie C. Templeton 1931-4-12 s.n. Los Angeles Manderville Canyon 200 Comment
  CAS-BOT-BC59797  Rhamnus pirifolia Carl B. Wolf 1932-10-5 4236 Los Angeles Santa Catalina Island. 1 mi. from Middle Ranch on road to Black Jack Peak. 274 Comment
  RSA390856  Rhamnus pirifolia Reid V. Moran 1941-2-2 608 Los Angeles Santa Catalina Island, Johnson's Valley 20 Comment
  SBBG21949  Rhamnus pirifolia R. F. Thorne with P. C. Everett 1964-2-6 33291 Los Angeles above Fourth of July Cove 30 Comment
  CAS-BOT-BC167911  Rhus integrifolia John I. Carlson 1918-4-24 s.n. Los Angeles Griffith Park Comment
  RSA133850  Rhus integrifolia P. H. Raven 1959-3-8 13833 Los Angeles Topanga Canyon, 1.1 mile north of Coast Highway 49 Comment
  RSA386490  Rhus integrifolia L. C. Wheeler 1933-3-31 1560 Los Angeles Topango [Topanga] Canyon, Santa Monica Mountains. 152 Comment
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May 29 2014
  SD49385  Rhus integrifolia Reid Moran 1959-3-9 7167 Los Angeles 2 miles southeast of Eel Point, San Clemente Island Comment
  RSA595020  Rhus ovata Mark Hoefs, Robert F. Thorne 1996-4-6 2663 Los Angeles Santa Catalina Island. Upper Avalon Canyon, Hermit s Gulch Trail, where trail crosses stream. 165 Comment
  UC1871184  Rhus ovata T. S. Ross, S. D. Boyd, L. Arnseth 1991-4-30 4946 Los Angeles Transverse Ranges; Liebre Mountains region; Castaic Creek: confluence of Fish Canyon and general vicinity. T6N R17W SE 1/4 section 16, and N 1/2 NE 1/4 section 22; elevation 1615'-1880' (riparian area and lower adjacent slopes). Comment
  UC450948  Rhus ovata Fay A. McFadden 1931-3-31 48 E Los Angeles Tuna Canyon, Canyon opposite Bellmont Country Club Tuna Canyon; Verdugo Hills Comment
  UC1130580  Rhus trilobata Jerome S. Horton 1936-3-27 262 Los Angeles Tanbark Flats 822 Comment
  POM145719  Rhus trilobata var. quinata L. R. Abrams 1927-4-30 11748 Los Angeles West of Lancaster. Comment
  SBBG15899  Ribes amarum W. G. Webb 1935-2-24 Los Angeles Santa Anita Cyn Comment
  RSA755861  Ribes aureum R. G. Swinney 2009-1-19 9993 Los Angeles Duarte, Van Tassel Canyon, 1.45 mi. north of Foothill Blvd. at El Encanto Dr., on Fish Canyon Rd. 204 Comment
  CAS-BOT-BC92437  Ribes aureum var. gracillimum Louis C. Wheeler 1932-5-26 763 Los Angeles San Gabriel Wash. 106 Comment
  RSA631084  Ribes aureum var. gracillimum Louis C. Wheeler 1947-4-1 6461 Los Angeles Foot of San Gabriel Mountains: San Gabriel Wash, 1/4 mile south of Arrow Highway. Comment
  RSA762447  Ribes aureum var. gracillimum R. G. Swinney 2009-2-20 10009 Los Angeles El Encanto, Azusa River Wilderness Park, off Hwy 39. 305 Comment
  SBBG70983  Ribes aureum var. gracillimum R. Hoffmann 1931-5-3 344 Los Angeles lower Bouquet Cyn Comment
  SFV1608  Ribes aureum var. gracillimum P. G. Kilburn 1958-3-11 660 Los Angeles San Gabriel Mountains Tapia Canyon, just north of Wayside Honor Ranch property, Castaic. 480 Comment
  UCR206486  Ribes aureum var. gracillimum A. C. Sanders, T. B. Salvato 2009-5-21 36907 Los Angeles San Gabriel Valley, Whittier Narrows, between San Gabriel River and Rio Hondo, west side of Hwy 19 (Rosemead Blvd.) along road to shooting area, S of Hwy 60 along SCE powerlines 66 Comment
  UCR272343  Ribes aureum var. gracillimum R. G. Swinney 2011-3-15 14097 Los Angeles San Gabriel Mountains, Arcadia, Arcadia Wilderness Park, 2240 Highland Oaks Drive, lower Santa Anita Cyn., southern portion of park 232 Comment
  CAS-BOT-BC93067  Ribes californicum var. hesperium Wesley O. Griesel 1962-1-14 s.n. Los Angeles Millard Canyon, San Gabriel Mountains. 457 Comment
  LA50720  Ribes californicum var. hesperium A. M. Johnson; 1932-5-30 4081 Los Angeles SANTA MONICA MOUNTAINS, Brent's Mountain, Crag's Camp. Comment
  CAS-BOT-BC108876  Ribes divaricatum var. parishii F. V. Coville; R. Bacigalupi 1925-4-18 171 Los Angeles Lexington Wash at El Monte. Comment
  UC741681  Ribes divaricatum var. parishii Frederick V. Coville 1925-4-18 171 Los Angeles Lexington Wash El Monte 91 Comment
  UC1922561  Ribes indecorum Gary Kovnat with LeRoy Gross 2003-1-19 3 Los Angeles Transverse Ranges; San Gabriel Mountains region: Angeles National Forest, Gold Creek Ecological Preserve, south terrace east meadow gully. Comment
  RSA597246  Ribes malvaceum Scott D. White 1995-2-7 2522 Los Angeles Santa Susana Mtns; Sunshine Cyn. Landfill expansion area, directly west of I-5, just south of interchange w/ Hwy 14. 457 Comment
  JEPS49350  Ribes malvaceum var. viridifolium Frank W. Peirson 1919-5-18 71 Los Angeles ridge between Monrovia Canyon and Fish Canyon 1066 Comment
  RSA84838  Ribes nevadense F. W. Peirson 1918-5-26 72 Los Angeles Summit of Mt. Wilson, San Gabriel Mts Comment
  CAS-BOT-BC209699  Ribes quercetorum Louis C. Wheeler 1932-4-9 575 Los Angeles Kings Canyon near Elizabeth Lake 1036 Comment
  LA104041  Ribes quercetorum Barry A. Prigge; 1986-4-20 7023 Los Angeles Tehachapi Mountains, 0.4 mi. E of Gorman on Lancaster Road 1127 Comment
  SBBG125928  Ribes quercetorum A. Parikh, N. Gale 2010-5-24 3210 Los Angeles Sierra Pelona, 5.0 km W of State Hwy 14, 1.6 km SW of California Aqueduct 1005 Comment
  RSA226920  Ribes roezlii Robert F. Thorne 1971-8-25 41246 Los Angeles San Gabriel Mts, Angeles National Forest: Saddle between Throop Peak and Mt. Burnham. 2622 Comment
  RSA638852  Ribes roezlii var. roezlii Valerie L. Soza, Laura Moore 1999-6-30 574 Los Angeles San Gabriel Mountains: Upper Winter Creek Trail, above Hoegee Campground. 854 Comment
  RSA652588  Ribes speciosum G. F. Orr 1956-3-10 s.n. Los Angeles Topanga Canyon. 549 Comment
  SBBG95464  Ribes viburnifolium M. B. Dunkle 1928-2-19 Los Angeles Hay Press [Haypress] Comment
  RSA613034  Ricinus communis L. C. Wheeler 1975-3-30 s.n. Los Angeles Hacienda Heights. Comment
  RSA0098789  Rosa californica R. G. Swinney 2011-6-1 14938 Los Angeles San Gabriel Mountains: Mill Creek, 0.1-0.4 mile north of Monte Cristo Campground along stream-side, from confluence with Monte Cristo Creek to 300 m upstream, just east of Angeles Forest Hwy 1096 Comment
  RSA529147  Rosa californica Tim S. Ross 1991-4-8 4477 Los Angeles Elephant Hill: western Pomona. 229 Comment
  UC457325  Rosa californica Carl Epling and N. Dunn 1931-5-30 Los Angeles Los Alisos Canyon Santa Monica Mountains Comment
  RSA628307  Rosa multiflora Louis C. Wheeler 1972-4-27 s.n. Los Angeles San Gabriel Mountains: Millard Canyon, just south of national forest boundary. Comment
  POM365834  Rosa woodsii subsp. gratissima Bonnie C. Templeton 1932-6-18 4944 Los Angeles Jackson Lake, Big Pines Park, San Gabriel Mountains. Comment
  CHSC95350  Rubus ursinus LeRoy Gross 2002-4-28 534 Los Angeles Transverse Ranges; Verdugo Mountains Region: North side. Off La Tuna Canyon Road (Santa Monica Mountains Conservancy Land). The trail that starts from La Tuna climbs up and over a ridge to drop down into a second canyon, this plant was collect in the second canyon. 549 Comment
  POM366396  Rubus ursinus F. R. Fosberg 1931-8-10 S 5631 Los Angeles Lower Pine Flats, First Camp, N fork San Gabriel Canyon 1500 Comment
  RSA0011381  Rubus ursinus Orlando Mistretta, Christine Mistretta 2011-7-13 5943 Los Angeles Big Tujunga Canyon, near head of Maple Cyn, S of Angeles Forest Hwy, 1.9 miles W of jct. of Angeles Forest Hwy and Angeles Crest Hwy. 942 Comment
  RSA133760  Rubus ursinus Peter H. Raven 1959-3-15 13849 Los Angeles Just east of Zuma Beach, Point Dume. 21 Comment
  UC12998  Rubus ursinus J. H. Barber 1897-3-16 66 Los Angeles Santa Monica Exp't Station Comment
  UCR169504  Rumex A. C. Sanders, Mark Elvin 2002-6-20 25240 Los Angeles NE end of Santa Susana Mtns., Santa Clara River bottom at confluence with Castaic Creek, near and above bench mark 926, at foot of bluffs on south side of river 290 Comment
  RSA0089510  Rumex conglomeratus R. G. Swinney 2011-6-30 15412 Los Angeles 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  SBBG109028  Rumex conglomeratus S. A. Junak 1996-5-18 SCl 488 a Los Angeles mouth of cyn at Mosquito Cove 6 Comment
  UCR24283  Rumex conglomeratus John C. Roos 1942-9-12 1743 Los Angeles Along the coast NW of Santa Monica Comment
  RSA229041  Rumex conglomeratus Robert F. Thorne, C. W. Tilforth 1971-6-30 40741 Los Angeles San Gabriel Mts., Angeles Nat'l Forest: Big Rock Canyon below detention camp 1524 Comment
  RSA611878  Rumex salicifolius var. salicifolius Louis C. Wheeler 1932-8-2 1113 Los Angeles Crystal Lake, N fork San Gabriel River. 1677 Comment
  RSA0011532  Rumex salicifolius var. salicifolius Orlando Mistretta, Christine Mistretta 2011-6-23 5732 Los Angeles Aliso Cyn drainage. Near head of Gleason cyn, W of jct. of Forest Rd. 4N24 and Pacific Crest Trail. 1679 Comment
  RSA248885  Ruppia maritima Robert F. Thorne 1973-4-12 42934 Los Angeles San Clemente Island, Pyramid Cove at S end of island. 3 Comment
  RSA611387  Sagina apetala L. C. Wheeler 1936-4-21 4096 Los Angeles San Dimas Wash. 366 Comment
  UC213369  Salicornia subterminalis Le Roy Abrams 4365 Los Angeles near Mesmer Comment
  RSA478891  Salicornia virginica Gertrude Dunn 1930-8-9 s.n. Los Angeles Huntington Beach. Comment
  CAS-BOT-BC103152  Salix bonplandiana Le Roy Abrams 1901-4-11 1467 Los Angeles Ballona River near Mesmer Comment
  POM179497  Salix exigua I. M. Johnston 1918-7-5 2087 Los Angeles Near head of San Antonio Canyon. 2287 Comment
  RSA589345  Salix exigua Orlando Mistretta 1994-3-30 951 Los Angeles San Gabriel Mountains, Little Rock Creek. On creek below Little Rock Dam E of guard station. 960 Comment
  RSA613032  Salix exigua Louis C. Wheeler 1975-4-2 s.n. Los Angeles San Gabriel Mountains: Millard Canyon just above Canyon Crest Road. Comment
  RSA638180  Salix exigua Louis C. Wheeler 1969-4-20 s.n. Los Angeles Liebre Mountains region. Barrel Spring. 884 Comment
  UCD110924  Salix exigua F. R. Fosberg 1932-3-3 7413 Los Angeles Castaic Creek, below Castaic, San Gabriel Mts. 300 Comment
  RSA0115859  Salix exigua Steven A. Junak 1999-5-6 SCa- 887 Los Angeles Santa Catalina Island. Parsons Landing, at W end of beach, just inland from creek mouth. 6 Comment
  RSA595945  Salix gooddingii Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8881 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  LA105373  Salix laevigata Barry A. Prigge; 1989-4-23 8475 Los Angeles Santa Susana Mountains, Devil Canyon, 1.4 air miles NW of junction of Simi Valley Frwy and Topanga Canyon Blvd 429 Comment
  SJSU245  Salix laevigata Mrs. H. P. Bracelin & F. R. Fosberg 1931-10-11 568 Los Angeles 2.5 km W of Ocean Beach, Lower Topanga Canyon, Santa Monica Mts 15 Comment
  UCR270254  Salix laevigata R. G. Swinney 2011-6-30 15397 Los Angeles San Gabriel Mountains, 200 m below Camp Colby (Colby Ranch) Lodge, along Coldwater Canyon 1085 Comment
  RSA608829  Salix lasiandra var. lasiandra Louis C. Wheeler 1968-9-21 s.n. Los Angeles San Gabriel Mountains: Sand Canyon, Head of Placerita Canyon Hwy, Placerita Canyon Road. 610 Comment
  POM2047  Salix lasiolepis Philip A. Munz 1918-4-5 2024 Los Angeles South Hills, Pomona. Comment
  POM296833B  Salix lasiolepis Lyman D. Benson 1951-6-21 14787 Los Angeles The Wash, Pomona College, Claremont. Pacific slope drainage area. 366 Comment
  RSA729946  Salix lasiolepis R. G. Swinney 1999-6-28 7431 Los Angeles East Fork of Puzzle Canyon Canyon. near old homesite at 2800 Deep Creek County Rd. 1402 Comment
  RSA750229  Salix lasiolepis R. G. Swinney 1999-6-21 7356 Los Angeles spring c. 150 m WNW of mouth of Jesus Canyon. 1494 Comment
  RSA771558  Salix lasiolepis R. G. Swinney 2009-5-28 10946 Los Angeles Sulphur Springs Campground, South Fork of Little Rock Creek. 1585 Comment
  SBBG57884  Salix lasiolepis F. R. Fosberg 1932-1-26 7179 Los Angeles Topanga Cyn 225 Comment
  CAS-BOT-BC107530  Salix lasiolepis var. lasiolepis S. Y. Parnay Mar. 240 Los Angeles Little [Tejunga Canon] Tujunga Canyon Comment
  CAS-BOT-BC128483  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-1-26 7178 Los Angeles On flood plain of Los Angeles River, at foot of Cahuenga Pass grade. 180 Comment
  CAS-BOT-BC128517  Salix lasiolepis var. lasiolepis F. R. Fosberg 1932-3-3 7412 Los Angeles Santa Monica Mountains - Agoura (Picture City) Comment
  CAS-BOT-BC128518  Salix lasiolepis var. lasiolepis Carl W. Sharsmith 1932-1-17 10 Los Angeles At bottom of Lower San Gabriel Canyon, about 9.5 km. above Azusa 300 Comment
  RSA616053  Salix lucida subsp. lasiandra Scott D. White 1997-11-20 6022 Los Angeles Cismontane L.A. County: Big Tujunga Wash (San Gabriel Mtn. foothills / E San Fernando Valley): West of Sunland, SW of I-210 Freeway, E of Hansem Dam, and N of Wentworth St. 320 Comment
  CDA17346  Salsola australis M. O'Brien 2004-9-1 s.n. Los Angeles Southern California Coast; El Matador State Beach, first bluff above strand. 0 Comment
  CDA21288  Salsola australis J. Lanham, K. Gunderman 2007-11-16 JL- 03 Los Angeles Channel Islands; Catalina Island, Salta Verde area. S. facing slopes in coastal scrub on bare ground. 304 Comment
  UCR199988  Salsola tragus Valerie Soza, LeRoy Gross, Marisa Sripracha 2001-7-20 1358 Los Angeles Transverse Ranges; Verdugo Mountains, Whiting Woods Motorway junction with Verdugo Mountain Motorway, near radio facilities 854 Comment
  RSA0094992  Saltugilia splendens subsp. grantii Orlando Mistretta, Peter L. Morrell 1992-6-4 486 Los Angeles Traverse Ranges: San Gabriel Mnts region: Short Cut Canyon, OVH area. Arroyo District, paralleling Big Tujunga. Comment
  RSA0094993  Saltugilia splendens subsp. grantii Gerald Braden, Lori Ackerman 1988-5-4 17 Los Angeles Strawberry Peak, San Gabriel Mountains. Comment
  RSA599900  Saltugilia splendens subsp. grantii L. C. Wheeler 1933-7-4 1902 Los Angeles San Dimas Canyon 640 Comment
  RSA660801  Salvia apiana LeRoy Gross, Valerie Soza 2001-5-31 390 Los Angeles Vedugo Mountains Region: Southeast side. Dead Horse Canyon. Collected on ridge north of this canyon 457 Comment
  UCR259771  Salvia apiana R. G. Swinney 2010-4-28 12393 Los Angeles San Gabriel Mountains, near Sylmar, Wilson Canyon Park, from the mouth of eastern fork of Wilson Cyn. (at Wilson Debris Basin) to 0.5 miles east (upstream), below Natl. Forest boundary 512 Comment
  UCR271899  Salvia apiana R. G. Swinney 2011-5-31 14894 Los Angeles San Gabriel Mountains, Monte Cristo Creek, 0.1-0.4 mile NE of Monte Cristo Campground and confluence with Mill Creek 1113 Comment
  RSA442822  Salvia apiana William Emboden 1969-5-28 5 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  RSA442824  Salvia apiana William Emboden 1969-5-28 8 Los Angeles San Gabriel Mtns above Arcadia. (Anderson site). Comment
  UC215513  Salvia apiana A. R. Davis 1915-6-30 Los Angeles n of Claremont 457 Comment
  SEINET2066006 Image available Salvia carduacea Norman C. Cooper 1948-4-21 2695 Los Angeles Littlerock Reservoir 762 Comment
  RSA0091364  Salvia columbariae R. G. Swinney 2011-4-1 14302 Los Angeles WSW of Littlerock, Cheseboro Canyon, 0.4 mi. south of California Aqueduct, 20-200 m west of Cheseboro Rd. 890 Comment
  CAS-BOT-BC214314  Salvia dorrii var. pilosa Steve Boyd; Lauren Raz 1997-3-25 9262 Los Angeles Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road, Libre Mountains Region 950 Comment
  RSA446333  Salvia leucophylla G. R. Johnstone 1931-5-3 s.n. Los Angeles Pico Canyon, Santa Susana Mountains. Comment
  SBBG71106  Salvia leucophylla M. N. Ackley 1927-5-29 452 Los Angeles Mulholland Drive 457 Comment
  SEINET3101624 Image available Salvia mellifera G. Rink 2011-6-1 10569 Los Angeles Chino Hills, northeast of La Brea. 260 Comment
  UCR38918  Salvia mellifera B. A. Prigge 1985-6-14 6404 Los Angeles Western Transverse Range; Santa Monica Mtns., Cold Creek Canyon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch Site 659 Comment
  RSA0034493  Salvia mellifera Vincent Arellano 1980-6-2 34 Los Angeles 2.5 miles south of Placerita at marker 480. west side of road. 640 Comment
  RSA434076  Salvia spathacea A. M. Johnson 1934-5-4 4472 Los Angeles Santa Monica Mtns: Sepulveda Canyon, beyond tunnel; bottom of ravine. Comment
  RSA724464  Salvia spathacea K. Dobry 1992-6-6 d- 320 Los Angeles Santa Monica Mts. Cold Creek Cyn at Cold Creek Cyn Preserve. Comment
  UC1871097  Sambucus mexicana T. S. Ross, S. D. Boyd, Peter Fritsch 1990-6-27 3873 Los Angeles Transverse Ranges; Liebre Mountains region; Liebre Mountain: N slope, between Horse Camp Canyon and Robinson Canyon; elevation 4830-5160 feet. T8N R17W center S 1/4 SE 1/4 sect 34; and T7N R17W center N 1/2 NE 1/4 sect 3. Comment
  RSA708659  Sanicula arguta Valerie Soza, LeRoy Gross, Bill Hogshead 2001-4-26 1185 Los Angeles Northwestern edge of Verdugo Mts, north of La Tuna Canyon, SE of Green Verdugo Reservoir. 457 Comment
  UC1400390  Sanicula arguta Robert F. Thorne and M. Z. Thorne 1973-2-12 42463 Los Angeles Santa Catalina Island, Blue Cavern Point Blue Cavern Point; Santa Catalina Island, Blue Cavern Point 60 Comment
  UC1562956  Sanicula arguta Steve Myers 1990-4-3 2 Los Angeles Powder Canyon in the city of La Habra Heights Powder Canyon; La Habra Heights, Powder Canyon 243 Comment
  UC55286  Sanicula arguta J. H. Barber 1897-3-28 115 Los Angeles Santa Monica Forestry Station Comment
  SBBG131567  Sanicula arguta S. A. Junak 2000-4-15 SCa 1203 Los Angeles Avalon Cyn, on W side of rd to Lone Tree, ca. 0.1 mi from jct with Divide Rd 478 Comment
  POM3179  Sanicula bipinnatifida D. L. Crawford 1916-3-1 s.n. Los Angeles Mts. near Claremont Comment
  RSA126693  Sanicula crassicaulis H. J. Thompson 1959-4-9 1941 Los Angeles Mulholland Hwy. 1 mile W. of Las Virgenes Rd. Malibu Creek drainage. 274 Comment
  RSA785651  Sanicula crassicaulis K. Dobry 1992-4-9 326 Los Angeles West Santa Monica Mts. along E Arroyo Sequit 5 mi No. of Pacific Coast Hwy. At camp Shalom Comment
  UC75127  Sarcostemma cynanchoides subsp. hartwegii C. F. Baker 1903-8-5 3676 Los Angeles Claremont Comment
  POM308896  Saxifraga californica K. H. B. 1943-3-22 640 Los Angeles San Dimas Experimental Forest, U.S. Forestry Department. Gage 25 Comment
  UC520331  Schinus molle Louis C. Wheeler 1932-10-22 1437 Los Angeles Liveoak Wash near La Verne; Liveoak Wash 403 Comment
  UCR177625  Schinus molle LeRoy Gross, Valerie Soza, Samantha Tessel 2001-6-4 409 Los Angeles Los Angeles Basin, Vedugo 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 427 Comment
  CAS-BOT-BC239929  Schismus arabicus J. Von Loh 1978-7-11 3376 Los Angeles Edwards AFB Comment
  UCR273916  Schismus arabicus Steven A. Junak 1999-4-22 SCa- 836 Los Angeles California Islands, Santa Catalina Island. White' Landing, tent cabin area, YMCA Camp, just west of amphitheater 6 Comment
  UCR179200  Schismus barbatus L. C. Wheeler 1973-4-8 s.n. Los Angeles San Gabriel Mountains, Little Tujunga Canyon 427 Comment
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Jul 5 2010
  UC57093  Scirpus americanus Ernest Braunton July 1902 601 Los Angeles L A River L A River ((Los Angeles River ?)) Comment
  POM220066  Scrophularia villosa F. R. Fosberg 1932-5-6 8133 Los Angeles Santa Catalina Island, Big Wash Canyon, Avalon 25 Comment
  SBBG95429  Scrophularia villosa M. B. Dunkle 1928-3-17 1736 Los Angeles Cherry Valley Comment
  RSA171118  Scutellaria tuberosa Robert F. Thorne, James Henrickson 1963-5-5 32310 Los Angeles Cobal Canyon, Foothills of San Gabriel Mts., 4 miles N of Claremont 518 Comment
  UCR108639  Sedum spathulifolium L. C. Wheeler 1970-6-26 s.n. Los Angeles San Gabriel Mtns., San Gabriel Mountains, Mine Gulch Camp, East Fork San Gabriel River 1372 Comment
  LA93999  Selaginella bigelovii Lawrence L. Kiefer; 1966-3-12 1694 Los Angeles SANTA MONICA MOUNTAINS, just S of Cornell Corners, small ravine in bluff above road. 274 Comment
  UCR71194  Selaginella bigelovii Steve Boyd, L. Arnseth, T. S. Ross 1990-4-8 4400 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA151018  Selaginella bigelovii Peter H. Raven 1962-5-8 17635 Los Angeles San Clemente Island: mouth of canyon at south end of Seal Cove 15 Comment
  RSA533957  Selaginella bigelovii Timothy S. Ross, Orlando Mistretta, Mike Hammitt 1991-5-18 5196 Los Angeles San Clemente Island: 1300 feet NNW of Gud (888') marker. 241 Comment
  SEINET6336371  Selaginella bigelovii L. C. Wheeler 1933-2-23 1482 Los Angeles Vasquez Rocks, Soledad Canyon drainage 838 Comment
  CAS-BOT-BC363451  Senecio californicus B. C. Templeton 1939-4-10 4616 Los Angeles Playa del Rey to El Segundo 10 Comment
  POM191  Senecio californicus C. F. Baker 1904-4-15 4178 Los Angeles Claremont. Comment
  RSA472949  Senecio flaccidus var. douglasii Erwin Miller 1934-6-30 19121 Los Angeles Fish Canyon, San Gabriel Mountains. Comment
  UC1586207  Senecio flaccidus var. douglasii Tim Ross 1991-8-16 5800 Los Angeles n Pasadena (Woodwardia Canyon); Condor Peak Quad., San Gabriel Mountains, Woodwardia Canyon 818 Comment
  UC223993  Senecio flaccidus var. douglasii A. D. E. Elmer June 1902 3735 Los Angeles Acton Comment
  UC1215174  Senecio lyonii Peter H. Raven 1962-4-9 17161 Los Angeles above Wilsons Cove; San Clemente Island 76 Comment
  RSA158303  Senecio vulgaris P. H. Raven 1962-4-10 17230 Los Angeles On east side of island below a point about 2 miles north of Thirst, San Clemente Island 473 Comment
  RSA585074  Setaria viridis L. C. Wheeler 1931-9-11 132 Los Angeles 2 mi. NE La Verne 373 Comment
  UC18904  Sidalcea malviflora subsp. malviflora unknown May 1891 Los Angeles Comment
  SBBG71477  Sidalcea sparsifolia R. Hoffmann 1929-5-21 Los Angeles Elizabeth Lake Comment
  RSA592360  Silene gallica Mark L. Hoefs 1974-3-28 417 Los Angeles Santa Catalina Island: in upper Bullrush Canyon 251 Comment
  SBBG95430  Silene gallica M. B. Dunkle 1928-3-17 1738 Los Angeles Howland's Landing Comment
  RSA549152  Silene laciniata subsp. major Timothy S. Ross, Peter Fritsch 1990-6-20 3672 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon. 1256 Comment
  RSA609019  Silene laciniata subsp. major L. C. Wheeler 1931-4-27 s.n. Los Angeles San Gabriel Mountains: Burbank Canyon. Comment
  RSA763527  Silene laciniata subsp. major Doris Bowers 1967-7-19 166 Los Angeles Topanga Canyon, Santa Monica Mts. 305 Comment
  RSA592838  Sisymbrium irio L. C. Wheeler 1967-4-30 9208 Los Angeles Liebre Mountains. Northwest end of foothills (of San Gabriel Mountains) between Bouquet Junction and Bonelli Ranch. 366 Comment
  UC284766  Sisymbrium irio P. A. Munz 1923-3-10 6582 Los Angeles s of Santa Fe (Claremont); Claremont 350 Comment
  CDA3854  Sisymbrium officinale T. S. Ross, Walter Appleby 1993-5-2 7204 Los Angeles Western San Gabriel Mountains; Head of Los Pinetos Canyon on the dirt trail between Wilson Canyon Saddle and Los Pinetos Spring. Comment
  RSA799895  Sisymbrium orientale Michelle Terrazino, Monica Rodriguez, Naomi Fraga 2013-7-23 2 Los Angeles Glendora Ridge Road 1288 Comment
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Mar 31 2014
  SBBG109048  Sisymbrium orientale S. A. Junak 1996-5-29 SCl 537 Los Angeles lower portion of China Cyn, at bridge just upstream from mouth of cyn 6 Comment
  SFV21762  Sisymbrium orientale L. Gross 2001-3-31 375 Los Angeles Verdugo Mountains South side of Verdugo Mountains at end of Olive Ave. Parked on Via Montana in Burbank, follow an old road that is overgrown that goes up to the main crest with Sunset Canyon to the west and Story Canyon to the east. Open area on west-facing talus slope with Deer Canyon below. 549 Comment
  RSA366932  Sisyrinchium bellum Thomas Moore 1947-5-3 5 Los Angeles Topanga Canyon, Comment
  RSA306753  Sisyrinchium bellum Henry J. Ramsey 1937-7-18 1645 Los Angeles Soldiers Creek Comment
  RSA366934  Sisyrinchium bellum Louis C. Wheeler 1932-3-23 517 Los Angeles UCLA Campus, West Los Angeles. Alt. 450 ft. 137 Comment
  RSA0021699  Sisyrinchium idahoense Duncan S. Bell, Caitlin Elam 2013-6-24 5272 Los Angeles Sheep Mountain Wilderness; East Fork of the San Gabriel River, collecting in The Narrows, just south of the mouth of Iron Fork. 899 Comment
  RSA5890  Solanum americanum Carl B. Wolf 1932-9-16 4110 Los Angeles Bryant Ranch, 100 to 150 ft W of State Highway at SE corner of Pacific Western Oil Co. lease in 1705 acre portion 2 Comment
  RSA187717  Solanum douglasii Robert F. Thorne 1966-4-5 35863 Los Angeles Santa Catalina Island: above stream in Cottonwood Canyon. 107 Comment
  SD234534  Solanum douglasii Wayne Law, Jun Hu 2000-4-30 4 Los Angeles Transverse Ranges; San Gabriel Mtns.: Millard Canyon, campground 2 mi N of Altadena, up the stream immediately after Millard campground. 518 Comment
  UCD67371  Solanum douglasii Natalie deGarder 1992-5-30 22 Los Angeles Altadena, 1.5 mi. from Highway 210 up Lincoln Rd to top of Rising Hill Road. 518 Comment
  UCR131396  Solanum douglasii Alison Lipman 1998-3-23 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
  UCR97782  Solanum douglasii Scott D. White 1997-3-12 4746 Los Angeles Pacific Coast, Zuma Beach, mouth of Zuma Creek, E end of the County Beach. 8 Comment
  RSA422411  Solanum douglasii William Greenberg 1939-7-24 s.n. Los Angeles Santa Monica Canyon. Comment
  UCD126911  Solanum elaeagnifolium Robert F. Thorne 1966-9-15 36693 Los Angeles Santa Catalina Island, at riding stables, Avalon. 15 Comment
  CDA8334  Solanum lanceolatum Ornsburn 2008-5-29 PDR# 1353883 Los Angeles Sylmar, 13734 Algeant Ave., 0 Comment
  UCR48947  Solanum nigrum A. C. Sanders 1987-9-18 7351 Los Angeles Pacific coast, El Segundo Dunes, west of Los Angeles International Airport, between Pershing Drive and Vista Del Mar Blvd. 38 Comment
  RSA427416  Solanum umbelliferum Gale Sphon 1959-5-9 332 Los Angeles Big Rock Public Camp, Angeles National Forest. Comment
  RSA549154  Solanum umbelliferum Tim S. Ross, Peter Fritsch 1990-6-20 3670 Los Angeles San Gabriel Mountains: Rincon-Red Box Road (2N24), ridgetop between W Fork San Gabriel River and Roberts Canyon 1256 Comment
  RSA0020564  Solanum umbelliferum Peter Gail 1961-5-14 s.n. Los Angeles 58 Palm Dr., Arcadia Comment
  RSA665204  Solanum umbelliferum N. C. Cooper 1949-6-29 4390 Los Angeles Crystal Lake. 1829 Comment
  RSA25761  Solanum wallacei Carl B. Wolf 1941-6-25 10891 Los Angeles About 1 mile NE of the Wrigley Mausoleum at head of Avalon Valley; Santa Catalina Island. 122 Comment
  UC1929609  Solanum wallacei Mark Elvin, Sarah Crockett 1997-3-17 377 Los Angeles Channel Island; Santa Catalina Island: Alone Cape Canyon Ridge. On E side at cliff. Where creek comes up to Road. Comment
  LA81980  Solanum xanti O. H. Kappler; 1944-2-13 544 Los Angeles SANTA MONICA MOUNTAINS, Carbon Canyon Comment
  LA94856  Solanum xanti K. Larson; J. Neel 1950-4-2 17 Los Angeles Comment
  NY820411  Solanum xanti L. Abrams 1908-6-19 336 Los Angeles Oakgrove Canyon, Liebre Mountains 1067 Comment
  RSA657464  Solanum xanti var. intermedium T. Stevenson 1980-5-9 35 Los Angeles Verdugo Mountains Region: Located 1/2 mi. east of 210 Freeway off of La Tuna offramp on Fire Road East, 500 meters up road from gate. Feet. Comment
  CLARK-A1528-4378  Solanum xanti var. montanum John C. Roos 1937-5-31 755 Los Angeles San Gabriel Mountains Comment
  NY178752  Solanum xanti var. wallacei W. A. Wallace s.n. Los Angeles Island of Catalina Comment
  RSA127808  Solidago californica P. H. Raven, Henry J. Thompson 1959-9-27 14552 Los Angeles Latigo Canyon, 1.1 miles north of Coast Highway 213 Comment
  RSA473607  Solidago californica Anstruther Davidson s.n. Los Angeles Mt Wilson. Comment
  UCR199999  Solidago californica Valerie Soza, Mariam Sidibeh 2003-3-26 1623 Los Angeles Transverse Ranges; Verdugo Mountains, Western San Rafael Hills, Fern lane Motorway, northwst of Flint Peak 457 Comment
  UCR270124  Solidago spectabilis R. G. Swinney 2010-9-9 13783 Los Angeles San Gabriel Mountains, Big Cienega, north of Crystal Lake Campground, 0.6 miles east of Deer Flats Campground, along FS Rd 3N07.2/North Crystal Lake Rd. 1997 Comment
  JEPS26443  Sonchus asper Peter H. Raven and Henry J. Thompson 1960-5-29 15430 Los Angeles Mulholland Highway near Decker Road (Santa Monica Mountains); Santa Monica Mountains 457 Comment
  SEINET4044450  Sonchus asper D. F. Sax 1997-1 sn Los Angeles Santa Monica Mountains; 3110 meters from coast. 502 Comment
  RSA0080653  Sonchus oleraceus R. G. Swinney 2010-5-29 13015 Los Angeles May Canyon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canyon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar. 939 Comment
  UC174007  Sorghum halepense Geo. B. Grant Los Angeles Pasadena Comment
  RSA747736  Spartium junceum Scott D. White, J. Wood, J. Miner 2009-5-12 12696 Los Angeles San Gabriel Mountains: Millard Canyon; North of Altadena via Chaney Trail, in the vicinity of intersection with Echo Mountain Lowe Fire Road. 549 Comment
  RSA0048467  Spartium junceum Elwood Fordham 1951-4-15 s.n. Los Angeles Topanga. 91 Comment
  RSA188007  Spergula arvensis R. F. Thorne 1966-4-29 36292 Los Angeles Santa Catalina Island. Middle Ranch, Middle Ranch Canyon 198 Comment
  UCR217428  Spergularia bocconi R. G. Swinney 2009-3-10 10082 Los Angeles San Gabriel Mtns. Foothills, Azusa, San Gabriel River Canyon, El Encanto Azusa River Wilderness Park 296 Comment
  SD252310  Spergularia bocconi Steven A. Junak 1999-5-6 Sca 881 Los Angeles Santa Catalina Island: 0.1 mile W of Emerald Bay Road, at gate. 14 Comment
  SBBG77776  Spergularia macrotheca var. macrotheca F. R. Fosberg 1931-5-22 54969 Los Angeles Isthmus Harbor Comment
  CAS-BOT-BC390324  Spergularia macrotheca var. macrotheca Martin A. Piehl 1962-6-9 62361 Los Angeles California Channel Islands. At China Point (s. of lighthouse). San Clemente Island 15 Comment
  CATA1880  Spergularia villosa Denise Knapp, Jenny L. McCune 2004-3-30 Los Angeles Santa Catalina Island: Lone Tree Trail, near land bird monitoring transect #57 430 Comment
  RSA446584  Stachys ajugoides Anstruther Davidson 1921-7-1 3441 Los Angeles Playa del Rey. Comment
  UC57552  Stachys ajugoides var. rigida J. H. Barber 1897-4-3 120 Los Angeles Santa Monica Mts. Comment
  UCR132946  Stachys albens Michael D. Wilcox 2003-8-30 s.n. Los Angeles San Gabriel Mtns., Arroyo Seco, Pasadena, north of Jet Prop. Laboratory 381 Comment
  UCR194283  Stachys albens R. G. Swinney 1998-8-5 6641 Los Angeles San Gabriel Mtns., Prairie Fork, c. 250 m east of confluence with Vincent Gulch 1366 Comment
  RSA446641  Stachys bullata N. C. Cooper 1945-5-1 2238 Los Angeles Tapia Park area, Santa Monica Mountains. 610 Comment
  SEINET9297262  Stachys bullata Unknown 2009-4-16 10350 Los Angeles San Gabriel Mountains Comment
  SEINET12326833  Stachys bullata R. S. Hood 1970-1 299 Los Angeles ca 3 mi N of Santa Monica, 1 mi N of Sunset Blvd in Temescal Cyn. in Santa Monica Mtns 244 Comment
  POM158222  Stanleya pinnata P. A. Munz, I. M. Johnston 1928-9-4 11168 Los Angeles Mouth of Rock Creek. 1159 Comment
  HSC24822  Stanleya pinnata James Henrickson 1971-5-2 5542 Los Angeles 15 mi. E of Palmdale, S slope of Lovejoy Buttes in Mojave Desert 854 Comment
  RSA762713  Stellaria media R. G. Swinney 2009-2-20 10033 Los Angeles mouth of San Gabriel Canyon, between 210 Fwy and Foothill Blvd., Azusa/Irwindale, 200-300 m east of San Gabriel River channel 177 Comment
  UCSB10322  Stellaria media Wedberg, H. 1957-3-16 Los Angeles Faculty Hill, UCLA Comment
  CAS-BOT-BC375134  Stephanomeria cichoriacea J. Ewan 1930-10-10 3520 Los Angeles Big Santa Anita Canyon, San Gabriel Mts. 792 Comment
  LA30490  Stephanomeria diegensis Jane Turner; T. Mosquin 1958-11-16 C 44 Los Angeles Santa Monica Mountains, 4.3 mi. W of fire station Comment
  RSA474191  Stephanomeria diegensis Robert Gustafson 1980-8-29 1871 Los Angeles Ballona Wetlands, Area 3. Confined to a samll relict strip of coastal strand near the jct of Lincoln Blvd. and the Ballona Creek Channel of Area 3. Comment
  RSA0070278  Stephanomeria exigua subsp. coronaria LeRoy Gross, Pam De Vries, Otto Gasser 2015-4-7 7006 Los Angeles San Gabriel Mountains; Arrastre Canyon, near Acton. Started at the junction between Arrastre Canyon Road and Moody Truck Trail. Surveyed slope between both roads. Follow the creek and slope beyond where Moody Truck Trail crosses the creek. Northeast side., Slope only. 807 Comment
  CAS-BOT-BC322843  Stephanomeria pauciflora A. D. E. Elmer 1902-6-1 3501 Los Angeles Lancaster Comment
  RSA616533  Stephanomeria virgata Scott D. White 1995-10-19 3709 Los Angeles S edge of Santa Susana Mts., above Chatsworth, +/- 0.1-0.4 air mi N of Chatsworth Oaks Park (on Valley Circle Blvd.); 0.7-1.0 air mi SE of Chatsworth Peak. 370 Comment
  CAS-BOT-BC375807  Stephanomeria virgata Alice Eastwood 1908-9-1 s.n. Los Angeles Los Angeles Comment
  CAS-BOT-BC375808  Stephanomeria virgata E. R. Blakley 1962-6-10 5235 Los Angeles California Channel Islands. Rocky cliff above and north of Seal Cove. San Clemente Island 60 Comment
  POM223606  Stephanomeria virgata F. W. Peirson 1919-10-20 295 Los Angeles Brae Burn Road, Altadena. Comment
  POM248400  Stephanomeria virgata P. A. Munz 1939-6-1 s.n. Los Angeles Vacant lots, Claremont. Comment
  RSA187651  Stephanomeria virgata R. F. Thorne 1966-9-16 36722 Los Angeles along Wrigley Drive above Pebbly Beach, SE end island; 46 Comment
  UCR190269  Stipa lepida R. G. Swinney 2000-6-25 7792 Los Angeles San Gabriel Mtns., lower San Antonio Canyon, c. 70 m west of San Antonio Canyon Rd. and 80 m south of Shinn Rd. 793 Comment
  UCR88707  Stipa lepida Scott D. White, Chet McGaugh 1995-5-9 2999 Los Angeles Transverse Range; Eastern Santa Susana Mtns, just west of San Gabriel Mtns: 'Sunshine Canyon' (name not shown on topo): west of San Fernando Road and Hwy I-5 Fwy, just SW of interchange with State Route 14. Sunshine Canyon Landfill property, site proposed for landfill expansion 488 Comment
  UCR62856  Stipa speciosa B. Lennart Johnson 1957-5-4 G- 48 Los Angeles Mojave Desert, c. 23 mi north of Palmdale Comment
  UCR190910  Stipa thurberiana R. G. Swinney 1998-7-2 6235 Los Angeles San Gabriel Mtns., high point of East Table Mountain, Wrightwood area 2256 Comment
  RSA777623  Stylocline gnaphaloides Orlando Mistretta, Christine Mistretta 2010-5-20 5157 Los Angeles Slopes W of Angeles Forest Hwy, about 0.6 miles N of jct. with Aliso Cyn Rd. 1189 Comment
  RSA66309  Stylomecon heterophylla F. W. Peirson 1923-4-9 3445 Los Angeles San Clemente Island: 5 miles SE of Wilson's Cove Comment
  CATA1410  Suaeda calceoliformis Mark L. Hoefs, Steven A. Junak, Janet Takara, Keri Kirkland 1995-11-10 2560 Los Angeles Santa Catalina Island: Cherry Valley, just back from rocky beach 3 Comment
  RSA552190  Suaeda moquinii D. Charlton 1989-5-25 3196 Los Angeles Corner of G/H and 30th Street West, Palmdale. 610 Comment
  CAS-BOT-BC110413  Suaeda taxifolia R. E. Snodgrass 1901-8-1 s.n. Los Angeles Santa Barbara Island. Comment
  RSA155319  Suaeda taxifolia P. H. Raven 1962-4-11 17266 Los Angeles by sea on beach due west of Wall 2, San Clemente Island 5 Comment
  RSA442115  Suaeda taxifolia House, Grumbles 1930-5-13 s.n. Los Angeles San Clemente Island Comment
  UC7237  Suaeda taxifolia W. H. Brewer 1860-12-21 79 Los Angeles Sierra Santa Monica Comment
  JEPS87548  Symphoricarpos albus var. laevigatus Tim Ross and Walter Appleby 1993-5-20 7196 a 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.; [mature flrg stems] 914 Comment
  OBI35704  Symphoricarpos mollis Rebecca Cicoria 1982-4-25 42 Los Angeles Palos Verdes Peninsula: Lower Purple Canyon, Rolling Hills Comment
  RSA428876  Symphoricarpos mollis Louis Greata 1900-9-23 s.n. Los Angeles Eagle Rock. Comment
  SD82953  Symphoricarpos mollis Gary D. Cromwell, David W. Wheat 1971-4-16 500 Los Angeles Mystic Canyon, Angeles National Forest, San Gabriel Mountains, 2.0 miles northeast of Glendora. 490 Comment
  SFV3607  Symphoricarpos mollis A. M. Johnson 1932-5-30 4112 Los Angeles Santa Monica Mountains Brent's Mountain Crag's Camp. Comment
  SEINET13203204 Image available Symphyotrichum greatae R. G. Swinney 2011-1 15849 Los Angeles San Gabriel Mountains: along Coldbrook Creek from Coldbrook Campground upstream to tunnel, c. 0.3 stream-mile north of Hwy. 39, above confluence with Soldier Creek (Crystal Lake 7.5' Q.) 1000 Comment
  POM304834  Symphyotrichum greatae Henry J. Ramsey, Henry J. Ramsey 1937-9-2 210 Los Angeles Johnny Canyon, Angeles Crest Highway. 1524 Comment
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Dec 9 2014
  UC303524  Symphyotrichum lanceolatum var. hesperium I. M. Johnston 1918-10-21 2162 Los Angeles El Monte Comment
  RSA713726  Syntrichopappus fremontii LeRoy Gross 2005-4-28 2133 Los Angeles Ridgeline to Mt. Emma and canyon south of this ridge. West from Mt. Emma (northwest trending ridge, lower part of ridgeline starts to turn southwest.) East of Mt. Emma Road., Near 34.45864N, 118.08684W to 34.46310N, 118.07530W. Then dropped off ridge into canyon bottom back to origin. 1235 Comment
  SEINET4690421 Image available Syzygium australe L. R. Landrum 2014-5-21 12044 Los Angeles Inglewood, 4843 W. Century Blvd., 30 Comment
  UCR169502  Tamarix chinensis A. C. Sanders, Mark Elvin 2002-6-19 25144 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
  UCR210455  Tamarix ramosissima R. G. Swinney 2008-11-30 9872 Los Angeles San Gabriel Mtns., Azusa, San Gabriel River Channel, 1.2 mi. north of Foothill Blvd. at mouth of Fish Canyon 204 Comment
  RSA0025292  Taraxacum officinale R. E. Riefner Jr. 2008-7-28 08 -252 Los Angeles Harbor City, Bixby Slough, Harbor Regional Park, Harbor Lake, vicinity of Vermont Ave. and Normandie Ave. 1 Comment